Update upstream (Folia)

* Linear flusher

* Use a queue & a single thread

* Customizable flusher thread number

* Use try statements

.github/workflows/build.yml

@@ -1,8 +1,8 @@
 name: Generate Jars
 on: [ push, pull_request ]
 env:
-  version: '1.19.3'
-  branch: ver/1.19.3
+  version: '1.20.1'
+  branch: ver/1.20.1
 jobs:
   paperclip:
     runs-on: ubuntu-latest
@@ -14,7 +14,7 @@ jobs:
         with:
           java-version: '17'
           cache: 'gradle'
-          distribution: 'GraalVM'
+          distribution: 'graalvm'
           github-token: ${{ secrets.GITHUB_TOKEN }}
           version: 'latest'
       - name: Configure Git User Details

.github/workflows/release.yml

@@ -1,8 +1,8 @@
 name: Release Jars
 on: [push, workflow_dispatch]
 env:
-  version: '1.19.3'
-  branch: ver/1.19.3
+  version: '1.20.1'
+  branch: ver/1.20.1
 jobs:
   paperclip:
     runs-on: ubuntu-latest
@@ -14,7 +14,7 @@ jobs:
         with:
           java-version: '17'
           cache: 'gradle'
-          distribution: 'GraalVM'
+          distribution: 'graalvm'
           github-token: ${{ secrets.GITHUB_TOKEN }}
           version: 'latest'
       - name: Configure Git User Details

.github/workflows/upstream.yml

@@ -1,4 +1,4 @@
-name: Update Upstream (Purpur)
+name: Update Upstream (Folia)
 
 on:
   schedule:
@@ -7,9 +7,7 @@ on:
 
 jobs:
   upstream:
-
     runs-on: ubuntu-latest
-
     steps:
       - name: Checkout Git Repository
         uses: actions/checkout@v2
@@ -22,7 +20,7 @@ jobs:
       - name: Configure Git User Details
         run: git config --global user.email "actions@github.com" && git config --global user.name "Github Actions"
       - name: Update Upstream Commit Hash
-        run: ./gradlew purpurRefLatest --stacktrace
+        run: ./gradlew foliaRefLatest --stacktrace
       - name: Apply Patches
         run: ./gradlew applyPatches --stacktrace
       - name: Build Paperclip jar
@@ -37,8 +35,8 @@ jobs:
       - name: Create Pull Request
         uses: peter-evans/create-pull-request@v3
         with:
-          commit-message: Update Upstream (Purpur)
+          commit-message: Update Upstream (Folia)
           branch: update-upstream
           delete-branch: true
-          title: 'Update Upstream (Purpur)'
+          title: 'Update Upstream (Folia)'
           body: ''

README.md

@@ -1,9 +1,7 @@
-
 <div align="center">
   <img src="https://github.com/kugge/Kaiiju/blob/ver/1.19.3/logo.png?" width="32%" height="32%"/>
   <h1>Kaiiju</h1>
-  <h3>A Server Software Designed For Anarchy</h3>
-  <h4>❗ [ Warning ] Work in progress, contributions are welcome ❗</h4>
+  <h3>Folia fork, designed for vanilla/anarchy servers</h3>
 
   [![License](https://img.shields.io/github/license/kugge/Kaiiju?style=for-the-badge&logo=github)](LICENSE)
   [![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/kugge/Kaiiju/build.yml?style=for-the-badge)](https://github.com/kugge/Kaiiju/actions)
@@ -13,17 +11,74 @@
 
 ## Features
 
-### Additions
-- **Xymb Linear Format**: Saves about 50% of disk space in OW and Nether and 95% in The End.
-- **Lobotomize**: Lobotomize mobs and villagers without breaking vanilla mechanics.
+### Notable
+- **Xymb Linear Format**: A Region file format that reduces disk space usage by about 50%.
+- **Async Pathfinding**: Petal async pathfinding fixed & reworked.
+- **Technical Minecraft**: Enable Vanilla exploits such as sand duping, RNG manipulation...
+
+### Other
+- **Small optimizations**: Increase server efficiency by disabling unnecessary features.
+- **Commands**: Restore few commands that were previously removed by Folia.
+
+### Configuration
+
+```yaml
+region-format:
+  linear:
+    flush-frequency: 10
+    flush-max-threads: 1
+network:
+  send-null-entity-packets: true
+  alternate-keepalive: false
+  kick-player-on-bad-packet: true
+optimization:
+  disable-vanish-api: false
+  disable-player-stats: false
+  disable-arm-swing-event: false
+  async-path-processing:
+    enable: false
+    max-threads: 0
+    keepalive: 60
+gameplay:
+  server-mod-name: Kaiiju
+  shared-random-for-players: true
+unsupported:
+  disable-ensure-tick-thread-checks: false
+  global-event-synchronization: false
+world-settings:
+  default:
+    region-format:
+      format: ANVIL
+      linear:
+        compression-level: 1
+        crash-on-broken-symlink: true
+    optimization:
+      shulker-box-drop-contents-when-destroyed: true
+      optimize-hoppers: true
+      tick-when-empty: true
+      enable-entity-throttling: false
+      disable-achievements: false
+      disable-creatures-spawn-events: false
+      disable-dolphin-swim-to-treasure: false
+    gameplay:
+      fix-void-trading: true
+      break-redstone-on-top-of-trap-doors-early: true
+      fix-tripwire-state-inconsistency: true
+      safe-teleportation: true
+      sand-duplication: false
+      teleport-async-on-high-velocity: false
+```
+Documentation: [Kaiiju Wiki](https://github.com/KaiijuMC/Kaiiju/wiki/Configuration)
 
 ### Roadmap
-- **Lithium**: Full implementation of Lithium.
-- **C2ME**: Full implementation of C2ME.
-- **VMP**: Full implementation of VMP.
+- **Stash deduplication**: Make giant dupe stashes possible and lagless.
+- **Multithreaded Tracker**: Rework Petal multithreaded tracker.
+
+## Open to contributions
+- **Native world conversion**: Convert region file format at startup.
+- **Performance patch**: Any significative performance patch.
 
 ## Building
-In order to distribute and use this server software, you need a paperclip file:
 
 ```bash
 ./gradlew applyPatches # Apply Kaiiju patches
@@ -31,7 +86,4 @@ In order to distribute and use this server software, you need a paperclip file:
 ```
 
 ## License
-Patches are licensed under GPL-3.0.  
-All other files are licensed under MIT.
-
-Made with <span style="color: #e25555;">&#9829;</span> on Earth.
+Original patches are licensed under GPL-3.0.

build.gradle.kts

@@ -3,8 +3,8 @@ import io.papermc.paperweight.util.constants.*
 
 plugins {
     java
-    id("com.github.johnrengelman.shadow") version "7.1.2"
-    id("io.papermc.paperweight.patcher") version "1.5.1"
+    id("com.github.johnrengelman.shadow") version "8.1.1"
+    id("io.papermc.paperweight.patcher") version "1.5.4"
 }
 
 allprojects {
@@ -30,8 +30,8 @@ repositories {
 
 dependencies {
     remapper("net.fabricmc:tiny-remapper:0.8.6:fat")
-    decompiler("net.minecraftforge:forgeflower:2.0.627.2")
-    paperclip("io.papermc:paperclip:3.0.2")
+    decompiler("net.minecraftforge:forgeflower:2.0.629.0")
+    paperclip("io.papermc:paperclip:3.0.3")
 }
 
 subprojects {
@@ -58,12 +58,12 @@ paperweight {
     remapRepo.set(paperMavenPublicUrl)
     decompileRepo.set(paperMavenPublicUrl)
 
-    useStandardUpstream("Purpur") {
-        url.set(github("PurpurMC", "Purpur"))
-        ref.set(providers.gradleProperty("purpurRef"))
+    useStandardUpstream("Folia") {
+        url.set(github("PaperMC", "Folia"))
+        ref.set(providers.gradleProperty("foliaRef"))
         
         withStandardPatcher {
-            baseName("Purpur")
+            baseName("Folia")
 
             apiPatchDir.set(layout.projectDirectory.dir("patches/api"))
             apiOutputDir.set(layout.projectDirectory.dir("kaiiju-api"))
@@ -72,36 +72,35 @@ paperweight {
             serverOutputDir.set(layout.projectDirectory.dir("kaiiju-server"))
         }
     }
+}
 
-    tasks.register("purpurRefLatest") {
-        // Update the purpurRef in gradle.properties to be the latest commit.
-        val tempDir = layout.cacheDir("purpurRefLatest");
-        val file = "gradle.properties";
+tasks.register("foliaRefLatest") {
+    // Update the foliaRef in gradle.properties to be the latest commit.
+    val tempDir = layout.cacheDir("foliaRefLatest");
+    val file = "gradle.properties";
         
-        doFirst {
-            data class GithubCommit(
-                    val sha: String
-            )
+    doFirst {
+        data class GithubCommit(
+                val sha: String
+        )
 
-            val purpurLatestCommitJson = layout.cache.resolve("purpurLatestCommit.json");
-            download.get().download("https://api.github.com/repos/PurpurMC/Purpur/commits/ver/1.19.3", purpurLatestCommitJson);
-            val purpurLatestCommit = gson.fromJson<paper.libs.com.google.gson.JsonObject>(purpurLatestCommitJson)["sha"].asString;
+        val foliaLatestCommitJson = layout.cache.resolve("foliaLatestCommit.json");
+        download.get().download("https://api.github.com/repos/PaperMC/Folia/commits/master", foliaLatestCommitJson);
+        val foliaLatestCommit = gson.fromJson<paper.libs.com.google.gson.JsonObject>(foliaLatestCommitJson)["sha"].asString;
 
-            copy {
-                from(file)
-                into(tempDir)
-                filter { line: String ->
-                    line.replace("purpurRef = .*".toRegex(), "purpurRef = $purpurLatestCommit")
-                }
-            }
-        }
-
-        doLast {
-            copy {
-                from(tempDir.file("gradle.properties"))
-                into(project.file(file).parent)
+        copy {
+            from(file)
+            into(tempDir)
+            filter { line: String ->
+                line.replace("foliaRef = .*".toRegex(), "foliaRef = $foliaLatestCommit")
             }
         }
     }
-}
 
+    doLast {
+        copy {
+            from(tempDir.file("gradle.properties"))
+            into(project.file(file).parent)
+        }
+    }
+}

gradle.properties

@@ -1,8 +1,8 @@
 group = dev.kaiijumc.kaiiju
-version = 1.19.3-R0.1-SNAPSHOT
-mcVersion = 1.19.3
+version = 1.20.1-R0.1-SNAPSHOT
+mcVersion = 1.20.1
 
-purpurRef = 9e436f732aae7f826c9acd5134a2948190c08b79
+foliaRef = edafbcef6884cffe493e62cd71f4957708fba7ff
 
 org.gradle.caching=true
 org.gradle.parallel=true

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.0.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.1-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradlew

@@ -1,7 +1,7 @@
-#!/usr/bin/env sh
+#!/bin/sh
 
 #
-# Copyright 2015 the original author or authors.
+# Copyright © 2015-2021 the original authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -17,67 +17,98 @@
 #
 
 ##############################################################################
-##
-##  Gradle start up script for UN*X
-##
+#
+#   Gradle start up script for POSIX generated by Gradle.
+#
+#   Important for running:
+#
+#   (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
+#       noncompliant, but you have some other compliant shell such as ksh or
+#       bash, then to run this script, type that shell name before the whole
+#       command line, like:
+#
+#           ksh Gradle
+#
+#       Busybox and similar reduced shells will NOT work, because this script
+#       requires all of these POSIX shell features:
+#         * functions;
+#         * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
+#           «${var#prefix}», «${var%suffix}», and «$( cmd )»;
+#         * compound commands having a testable exit status, especially «case»;
+#         * various built-in commands including «command», «set», and «ulimit».
+#
+#   Important for patching:
+#
+#   (2) This script targets any POSIX shell, so it avoids extensions provided
+#       by Bash, Ksh, etc; in particular arrays are avoided.
+#
+#       The "traditional" practice of packing multiple parameters into a
+#       space-separated string is a well documented source of bugs and security
+#       problems, so this is (mostly) avoided, by progressively accumulating
+#       options in "$@", and eventually passing that to Java.
+#
+#       Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
+#       and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
+#       see the in-line comments for details.
+#
+#       There are tweaks for specific operating systems such as AIX, CygWin,
+#       Darwin, MinGW, and NonStop.
+#
+#   (3) This script is generated from the Groovy template
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       within the Gradle project.
+#
+#       You can find Gradle at https://github.com/gradle/gradle/.
+#
 ##############################################################################
 
 # Attempt to set APP_HOME
+
 # Resolve links: $0 may be a link
-PRG="$0"
-# Need this for relative symlinks.
-while [ -h "$PRG" ] ; do
-    ls=`ls -ld "$PRG"`
-    link=`expr "$ls" : '.*-> \(.*\)$'`
-    if expr "$link" : '/.*' > /dev/null; then
-        PRG="$link"
-    else
-        PRG=`dirname "$PRG"`"/$link"
-    fi
+app_path=$0
+
+# Need this for daisy-chained symlinks.
+while
+    APP_HOME=${app_path%"${app_path##*/}"}  # leaves a trailing /; empty if no leading path
+    [ -h "$app_path" ]
+do
+    ls=$( ls -ld "$app_path" )
+    link=${ls#*' -> '}
+    case $link in             #(
+      /*)   app_path=$link ;; #(
+      *)    app_path=$APP_HOME$link ;;
+    esac
 done
-SAVED="`pwd`"
-cd "`dirname \"$PRG\"`/" >/dev/null
-APP_HOME="`pwd -P`"
-cd "$SAVED" >/dev/null
 
-APP_NAME="Gradle"
-APP_BASE_NAME=`basename "$0"`
-
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+# This is normally unused
+# shellcheck disable=SC2034
+APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
-MAX_FD="maximum"
+MAX_FD=maximum
 
 warn () {
     echo "$*"
-}
+} >&2
 
 die () {
     echo
     echo "$*"
     echo
     exit 1
-}
+} >&2
 
 # OS specific support (must be 'true' or 'false').
 cygwin=false
 msys=false
 darwin=false
 nonstop=false
-case "`uname`" in
-  CYGWIN* )
-    cygwin=true
-    ;;
-  Darwin* )
-    darwin=true
-    ;;
-  MINGW* )
-    msys=true
-    ;;
-  NONSTOP* )
-    nonstop=true
-    ;;
+case "$( uname )" in                #(
+  CYGWIN* )         cygwin=true  ;; #(
+  Darwin* )         darwin=true  ;; #(
+  MSYS* | MINGW* )  msys=true    ;; #(
+  NONSTOP* )        nonstop=true ;;
 esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
@@ -87,9 +118,9 @@ CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 if [ -n "$JAVA_HOME" ] ; then
     if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
         # IBM's JDK on AIX uses strange locations for the executables
-        JAVACMD="$JAVA_HOME/jre/sh/java"
+        JAVACMD=$JAVA_HOME/jre/sh/java
     else
-        JAVACMD="$JAVA_HOME/bin/java"
+        JAVACMD=$JAVA_HOME/bin/java
     fi
     if [ ! -x "$JAVACMD" ] ; then
         die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
@@ -98,7 +129,7 @@ Please set the JAVA_HOME variable in your environment to match the
 location of your Java installation."
     fi
 else
-    JAVACMD="java"
+    JAVACMD=java
     which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
 
 Please set the JAVA_HOME variable in your environment to match the
@@ -106,80 +137,109 @@ location of your Java installation."
 fi
 
 # Increase the maximum file descriptors if we can.
-if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
-    MAX_FD_LIMIT=`ulimit -H -n`
-    if [ $? -eq 0 ] ; then
-        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
-            MAX_FD="$MAX_FD_LIMIT"
-        fi
-        ulimit -n $MAX_FD
-        if [ $? -ne 0 ] ; then
-            warn "Could not set maximum file descriptor limit: $MAX_FD"
-        fi
-    else
-        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
-    fi
-fi
-
-# For Darwin, add options to specify how the application appears in the dock
-if $darwin; then
-    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
-fi
-
-# For Cygwin or MSYS, switch paths to Windows format before running java
-if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
-    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
-    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
-
-    JAVACMD=`cygpath --unix "$JAVACMD"`
-
-    # We build the pattern for arguments to be converted via cygpath
-    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
-    SEP=""
-    for dir in $ROOTDIRSRAW ; do
-        ROOTDIRS="$ROOTDIRS$SEP$dir"
-        SEP="|"
-    done
-    OURCYGPATTERN="(^($ROOTDIRS))"
-    # Add a user-defined pattern to the cygpath arguments
-    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
-        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
-    fi
-    # Now convert the arguments - kludge to limit ourselves to /bin/sh
-    i=0
-    for arg in "$@" ; do
-        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
-        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
-
-        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
-            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
-        else
-            eval `echo args$i`="\"$arg\""
-        fi
-        i=`expr $i + 1`
-    done
-    case $i in
-        0) set -- ;;
-        1) set -- "$args0" ;;
-        2) set -- "$args0" "$args1" ;;
-        3) set -- "$args0" "$args1" "$args2" ;;
-        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
-        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
-        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
-        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
-        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
-        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
+    case $MAX_FD in #(
+      max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045
+        MAX_FD=$( ulimit -H -n ) ||
+            warn "Could not query maximum file descriptor limit"
+    esac
+    case $MAX_FD in  #(
+      '' | soft) :;; #(
+      *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045
+        ulimit -n "$MAX_FD" ||
+            warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
 fi
 
-# Escape application args
-save () {
-    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
-    echo " "
-}
-APP_ARGS=`save "$@"`
+# Collect all arguments for the java command, stacking in reverse order:
+#   * args from the command line
+#   * the main class name
+#   * -classpath
+#   * -D...appname settings
+#   * --module-path (only if needed)
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
 
-# Collect all arguments for the java command, following the shell quoting and substitution rules
-eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if "$cygwin" || "$msys" ; then
+    APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
+    CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
+
+    JAVACMD=$( cygpath --unix "$JAVACMD" )
+
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    for arg do
+        if
+            case $arg in                                #(
+              -*)   false ;;                            # don't mess with options #(
+              /?*)  t=${arg#/} t=/${t%%/*}              # looks like a POSIX filepath
+                    [ -e "$t" ] ;;                      #(
+              *)    false ;;
+            esac
+        then
+            arg=$( cygpath --path --ignore --mixed "$arg" )
+        fi
+        # Roll the args list around exactly as many times as the number of
+        # args, so each arg winds up back in the position where it started, but
+        # possibly modified.
+        #
+        # NB: a `for` loop captures its iteration list before it begins, so
+        # changing the positional parameters here affects neither the number of
+        # iterations, nor the values presented in `arg`.
+        shift                   # remove old arg
+        set -- "$@" "$arg"      # push replacement arg
+    done
+fi
+
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Collect all arguments for the java command;
+#   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
+#     shell script including quotes and variable substitutions, so put them in
+#     double quotes to make sure that they get re-expanded; and
+#   * put everything else in single quotes, so that it's not re-expanded.
+
+set -- \
+        "-Dorg.gradle.appname=$APP_BASE_NAME" \
+        -classpath "$CLASSPATH" \
+        org.gradle.wrapper.GradleWrapperMain \
+        "$@"
+
+# Stop when "xargs" is not available.
+if ! command -v xargs >/dev/null 2>&1
+then
+    die "xargs is not available"
+fi
+
+# Use "xargs" to parse quoted args.
+#
+# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
+#
+# In Bash we could simply go:
+#
+#   readarray ARGS < <( xargs -n1 <<<"$var" ) &&
+#   set -- "${ARGS[@]}" "$@"
+#
+# but POSIX shell has neither arrays nor command substitution, so instead we
+# post-process each arg (as a line of input to sed) to backslash-escape any
+# character that might be a shell metacharacter, then use eval to reverse
+# that process (while maintaining the separation between arguments), and wrap
+# the whole thing up as a single "set" statement.
+#
+# This will of course break if any of these variables contains a newline or
+# an unmatched quote.
+#
+
+eval "set -- $(
+        printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
+        xargs -n1 |
+        sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
+        tr '\n' ' '
+    )" '"$@"'
 
 exec "$JAVACMD" "$@"

gradlew.bat

@@ -14,7 +14,7 @@
 @rem limitations under the License.
 @rem
 
-@if "%DEBUG%" == "" @echo off
+@if "%DEBUG%"=="" @echo off
 @rem ##########################################################################
 @rem
 @rem  Gradle startup script for Windows
@@ -25,7 +25,8 @@
 if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
-if "%DIRNAME%" == "" set DIRNAME=.
+if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
@@ -40,7 +41,7 @@ if defined JAVA_HOME goto findJavaFromJavaHome
 
 set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto execute
+if %ERRORLEVEL% equ 0 goto execute
 
 echo.
 echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
@@ -75,13 +76,15 @@ set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
 :end
 @rem End local scope for the variables with windows NT shell
-if "%ERRORLEVEL%"=="0" goto mainEnd
+if %ERRORLEVEL% equ 0 goto mainEnd
 
 :fail
 rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
 rem the _cmd.exe /c_ return code!
-if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
-exit /b 1
+set EXIT_CODE=%ERRORLEVEL%
+if %EXIT_CODE% equ 0 set EXIT_CODE=1
+if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
+exit /b %EXIT_CODE%
 
 :mainEnd
 if "%OS%"=="Windows_NT" endlocal

patches/api/0001-Kaiiju-Configuration.patch

@@ -5,12 +5,12 @@ Subject: [PATCH] Kaiiju Configuration
 
 
 diff --git a/src/main/java/org/bukkit/Server.java b/src/main/java/org/bukkit/Server.java
-index e0f69edf603c2ec99bc92b16b18912272cc41bd9..b2c8c18437537eb2ea91bdeb9f715e01a182fbcb 100644
+index b6a8217b97842cd07af24fadb21e0e44226e5bb9..ce7dcbc0709839457df357484620f21c3d7c19c5 100644
 --- a/src/main/java/org/bukkit/Server.java
 +++ b/src/main/java/org/bukkit/Server.java
-@@ -1983,6 +1983,13 @@ public interface Server extends PluginMessageRecipient, net.kyori.adventure.audi
+@@ -2121,6 +2121,13 @@ public interface Server extends PluginMessageRecipient, net.kyori.adventure.audi
          }
-         // Purpur end
+         // Paper end
  
 +        // Kaiiju start
 +        @NotNull

patches/removed/0016-Fix-off-thread-raid-winners.patch

@@ -0,0 +1,18 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Tue, 9 May 2023 15:11:56 +0300
+Subject: [PATCH] Fix off thread raid winners
+
+
+diff --git a/src/main/java/net/minecraft/world/entity/raid/Raid.java b/src/main/java/net/minecraft/world/entity/raid/Raid.java
+index 359f1690497eac00899eb26c17308e0a6fe943ad..3cc320e854cbb9e70b6c63f1f950091c5195edae 100644
+--- a/src/main/java/net/minecraft/world/entity/raid/Raid.java
++++ b/src/main/java/net/minecraft/world/entity/raid/Raid.java
+@@ -404,6 +404,7 @@ public class Raid {
+                             UUID uuid = (UUID) iterator.next();
+                             Entity entity = this.level.getEntity(uuid);
+ 
++                            if (!io.papermc.paper.util.TickThread.isTickThreadFor(entity)) continue; // Kaiiju - Prevent give effect to player off thread
+                             if (entity instanceof LivingEntity && !entity.isSpectator()) {
+                                 LivingEntity entityliving = (LivingEntity) entity;
+ 

patches/removed/0017-Strip-raytracing-for-EntityLiving-hasLineOfSight.patch

@@ -0,0 +1,139 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Wed, 10 May 2023 16:30:38 +0300
+Subject: [PATCH] Strip raytracing for EntityLiving#hasLineOfSight
+
+This has been benchmarked on a huge gold farm.
+Resulting in significative performance improvements.
+
+diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
+index f636bdf1075fa784ce7ee25478d4d94bacb05677..2da522f89a7c44208ca1ba9139efe723a519fabc 100644
+--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
++++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
+@@ -3661,7 +3661,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
+             Vec3 vec3d1 = new Vec3(entity.getX(), entity.getEyeY(), entity.getZ());
+ 
+             // Paper - diff on change - used in CraftLivingEntity#hasLineOfSight(Location) and CraftWorld#lineOfSightExists
+-            return vec3d1.distanceToSqr(vec3d) > 128D * 128D ? false : this.level().clip(new ClipContext(vec3d, vec3d1, ClipContext.Block.COLLIDER, ClipContext.Fluid.NONE, this)).getType() == HitResult.Type.MISS;
++            return !(vec3d1.distanceToSqr(vec3d) > 128D * 128D) && this.level().rayTraceDirect(vec3d, vec3d1, net.minecraft.world.phys.shapes.CollisionContext.of(this)) == net.minecraft.world.phys.BlockHitResult.Type.MISS; // Paper - use distanceToSqr // Kaiiju - Pufferfish - Strip raytracing
+         }
+     }
+ 
+diff --git a/src/main/java/net/minecraft/world/level/BlockGetter.java b/src/main/java/net/minecraft/world/level/BlockGetter.java
+index 0e8746759752b692668886370181aa5db1fd0bb0..5e2f5e9c21009a71f671955df7a4135ce5cf5b08 100644
+--- a/src/main/java/net/minecraft/world/level/BlockGetter.java
++++ b/src/main/java/net/minecraft/world/level/BlockGetter.java
+@@ -68,6 +68,17 @@ public interface BlockGetter extends LevelHeightAccessor {
+         });
+     }
+ 
++    // Kaiiju start - Pufferfish - broken down variant of below rayTraceBlock, used by World#rayTraceDirect
++    @Nullable
++    default net.minecraft.world.phys.BlockHitResult.Type rayTraceBlockDirect(Vec3 vec3d, Vec3 vec3d1, BlockPos blockposition, BlockState iblockdata, net.minecraft.world.phys.shapes.CollisionContext voxelshapecoll) {
++        if (iblockdata.isAir()) return null;
++        VoxelShape voxelshape = ClipContext.Block.COLLIDER.get(iblockdata, this, blockposition, voxelshapecoll);
++        net.minecraft.world.phys.BlockHitResult movingobjectpositionblock = this.clipWithInteractionOverride(vec3d, vec3d1, blockposition, voxelshape, iblockdata);
++
++        return movingobjectpositionblock == null ? null : movingobjectpositionblock.getType();
++    }
++    // Kaiiju end
++
+     // CraftBukkit start - moved block handling into separate method for use by Block#rayTrace
+     default BlockHitResult clip(ClipContext raytrace1, BlockPos blockposition) {
+             // Paper start - Prevent raytrace from loading chunks
+diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
+index fb71843793e699b2ccfaa3b7e4c2bb7d4826a706..42727a50ae11cd4d4aa65eb57638bfb164f1e4ac 100644
+--- a/src/main/java/net/minecraft/world/level/Level.java
++++ b/src/main/java/net/minecraft/world/level/Level.java
+@@ -432,6 +432,91 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
+         return null;
+     }
+ 
++    // Kaiiju start - Pufferfish - broken down method of raytracing for EntityLiving#hasLineOfSight, replaces IBlockAccess#rayTrace(RayTrace)
++    public net.minecraft.world.phys.BlockHitResult.Type rayTraceDirect(net.minecraft.world.phys.Vec3 vec3d, net.minecraft.world.phys.Vec3 vec3d1, net.minecraft.world.phys.shapes.CollisionContext voxelshapecoll) {
++        // most of this code comes from IBlockAccess#a(RayTrace, BiFunction, Function), but removes the needless functions
++        if (vec3d.equals(vec3d1)) {
++            return net.minecraft.world.phys.BlockHitResult.Type.MISS;
++        }
++
++        double endX = Mth.lerp(-1.0E-7D, vec3d1.x, vec3d.x);
++        double endY = Mth.lerp(-1.0E-7D, vec3d1.y, vec3d.y);
++        double endZ = Mth.lerp(-1.0E-7D, vec3d1.z, vec3d.z);
++
++        double startX = Mth.lerp(-1.0E-7D, vec3d.x, vec3d1.x);
++        double startY = Mth.lerp(-1.0E-7D, vec3d.y, vec3d1.y);
++        double startZ = Mth.lerp(-1.0E-7D, vec3d.z, vec3d1.z);
++
++        int currentX = Mth.floor(startX);
++        int currentY = Mth.floor(startY);
++        int currentZ = Mth.floor(startZ);
++
++        BlockPos.MutableBlockPos currentBlock = new BlockPos.MutableBlockPos(currentX, currentY, currentZ);
++
++        LevelChunk chunk = this.getChunkIfLoaded(currentBlock);
++        if (chunk == null) {
++            return net.minecraft.world.phys.BlockHitResult.Type.MISS;
++        }
++
++        net.minecraft.world.phys.BlockHitResult.Type initialCheck = this.rayTraceBlockDirect(vec3d, vec3d1, currentBlock, chunk.getBlockState(currentBlock), voxelshapecoll);
++
++        if (initialCheck != null) {
++            return initialCheck;
++        }
++
++        double diffX = endX - startX;
++        double diffY = endY - startY;
++        double diffZ = endZ - startZ;
++
++        int xDirection = Mth.sign(diffX);
++        int yDirection = Mth.sign(diffY);
++        int zDirection = Mth.sign(diffZ);
++
++        double normalizedX = xDirection == 0 ? Double.MAX_VALUE : (double) xDirection / diffX;
++        double normalizedY = yDirection == 0 ? Double.MAX_VALUE : (double) yDirection / diffY;
++        double normalizedZ = zDirection == 0 ? Double.MAX_VALUE : (double) zDirection / diffZ;
++
++        double normalizedXDirection = normalizedX * (xDirection > 0 ? 1.0D - Mth.frac(startX) : Mth.frac(startX));
++        double normalizedYDirection = normalizedY * (yDirection > 0 ? 1.0D - Mth.frac(startY) : Mth.frac(startY));
++        double normalizedZDirection = normalizedZ * (zDirection > 0 ? 1.0D - Mth.frac(startZ) : Mth.frac(startZ));
++
++        net.minecraft.world.phys.BlockHitResult.Type result;
++
++        do {
++            if (normalizedXDirection > 1.0D && normalizedYDirection > 1.0D && normalizedZDirection > 1.0D) {
++                return net.minecraft.world.phys.BlockHitResult.Type.MISS;
++            }
++
++            if (normalizedXDirection < normalizedYDirection) {
++                if (normalizedXDirection < normalizedZDirection) {
++                    currentX += xDirection;
++                    normalizedXDirection += normalizedX;
++                } else {
++                    currentZ += zDirection;
++                    normalizedZDirection += normalizedZ;
++                }
++            } else if (normalizedYDirection < normalizedZDirection) {
++                currentY += yDirection;
++                normalizedYDirection += normalizedY;
++            } else {
++                currentZ += zDirection;
++                normalizedZDirection += normalizedZ;
++            }
++
++            currentBlock.set(currentX, currentY, currentZ);
++            if (chunk.getPos().x != currentBlock.getX() >> 4 || chunk.getPos().z != currentBlock.getZ() >> 4) {
++                chunk = this.getChunkIfLoaded(currentBlock);
++                if (chunk == null) {
++                    return net.minecraft.world.phys.BlockHitResult.Type.MISS;
++                }
++            }
++            result = this.rayTraceBlockDirect(vec3d, vec3d1, currentBlock, chunk.getBlockState(currentBlock), voxelshapecoll);
++        } while (result == null);
++
++        return result;
++    }
++    // Kaiiju end
++
+     public boolean isInWorldBounds(BlockPos pos) {
+         return pos.isInsideBuildHeightAndWorldBoundsHorizontal(this); // Paper - use better/optimized check
+     }

patches/removed/0018-Fix-off-thread-spider-addEffect.patch

@@ -0,0 +1,20 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Wed, 10 May 2023 17:58:37 +0300
+Subject: [PATCH] Fix off thread spider addEffect
+
+
+diff --git a/src/main/java/net/minecraft/world/entity/monster/Spider.java b/src/main/java/net/minecraft/world/entity/monster/Spider.java
+index 05432184077752b1d0cb764a5e39ed875748b2d6..74a68ae68e3c774a63d0a5478dfcda6e7894a514 100644
+--- a/src/main/java/net/minecraft/world/entity/monster/Spider.java
++++ b/src/main/java/net/minecraft/world/entity/monster/Spider.java
+@@ -180,7 +180,9 @@ public class Spider extends Monster {
+             MobEffect mobeffectlist = entityspider_groupdataspider.effect;
+ 
+             if (mobeffectlist != null) {
++                this.getBukkitEntity().taskScheduler.schedule(task -> { // Kaiiju - Fix off thread spider add effect
+                 this.addEffect(new MobEffectInstance(mobeffectlist, -1), org.bukkit.event.entity.EntityPotionEffectEvent.Cause.SPIDER_SPAWN); // CraftBukkit
++                }, null, 1); // Kaiiju - Fix off thread spider add effect
+             }
+         }
+ 

patches/removed/0032-Fix-visual-respawn-issue.patch

@@ -0,0 +1,18 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Wed, 21 Jun 2023 04:15:44 +0300
+Subject: [PATCH] Fix visual respawn issue
+
+
+diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
+index 10c7f5c6fc0e5cb8aafbe125dd68635a37b7b1b9..6f589e7e4bbed0b2fa87403c86f18d36672cf1d0 100644
+--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
++++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
+@@ -633,6 +633,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
+         ++this.deathTime;
+         if (this.deathTime >= 20 && !this.level().isClientSide() && !this.isRemoved() && !this.broadcastedDeath) { // Folia - region threading
+             this.level().broadcastEntityEvent(this, (byte) 60);
++            this.broadcastedDeath = true; // Kaiiju - Fix respawn issue / Visual bug
+             if (!(this instanceof ServerPlayer)) this.remove(Entity.RemovalReason.KILLED); // Folia - region threading - don't remove, we want the tick scheduler to be running
+             if ((this instanceof ServerPlayer)) this.unRide(); // Folia - region threading - unmount player when dead
+         }

patches/removed/0039-Fix-teleportAsync-rotation-API.patch

@@ -0,0 +1,19 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: kugge <sofiane.djerbi38@gmail.com>
+Date: Thu, 22 Jun 2023 20:32:58 +0200
+Subject: [PATCH] Fix teleportAsync rotation API
+
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+index 76bcfda336e9cfa039d80ea3ccbebbc3d2b13f7f..24617b3994c0f148f1c17928e18aa1e1a784e6f5 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
+@@ -1329,7 +1329,7 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
+             boolean success = nmsEntity.teleportAsync(
+                 ((CraftWorld)locationClone.getWorld()).getHandle(),
+                 new net.minecraft.world.phys.Vec3(locationClone.getX(), locationClone.getY(), locationClone.getZ()),
+-                null, null, net.minecraft.world.phys.Vec3.ZERO,
++                locationClone.getYaw(), locationClone.getPitch(), net.minecraft.world.phys.Vec3.ZERO, // Kaiiju - fix teleportAsync() rotation
+                 cause == null ? TeleportCause.UNKNOWN : cause,
+                 Entity.TELEPORT_FLAG_LOAD_CHUNK | Entity.TELEPORT_FLAG_UNMOUNT, // preserve behavior with old API: dismount the entity so it can teleport
+                 (Entity entityTp) -> {

patches/removed/0045-Improve-container-checking-with-a-bitset.patch

@@ -0,0 +1,458 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Paul Sauve <paul@technove.co>
+Date: Tue, 1 Aug 2023 03:38:09 +0200
+Subject: [PATCH] Improve container checking with a bitset
+
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/structs/ItemListWithBitset.java b/src/main/java/dev/kaiijumc/kaiiju/structs/ItemListWithBitset.java
+new file mode 100644
+index 0000000000000000000000000000000000000000..ee32b7c4a1ae1e23149694ecba5ab7bd347d6ca6
+--- /dev/null
++++ b/src/main/java/dev/kaiijumc/kaiiju/structs/ItemListWithBitset.java
+@@ -0,0 +1,114 @@
++package dev.kaiijumc.kaiiju.structs;
++
++
++import net.minecraft.core.NonNullList;
++import net.minecraft.world.item.ItemStack;
++import org.apache.commons.lang.Validate;
++import org.jetbrains.annotations.NotNull;
++
++import java.util.AbstractList;
++import java.util.Arrays;
++import java.util.List;
++
++public class ItemListWithBitset extends AbstractList<ItemStack> {
++    public static ItemListWithBitset fromList(List<ItemStack> list) {
++        if (list instanceof ItemListWithBitset ours) {
++            return ours;
++        }
++        return new ItemListWithBitset(list);
++    }
++
++    private static ItemStack[] createArray(int size) {
++        ItemStack[] array = new ItemStack[size];
++        Arrays.fill(array, ItemStack.EMPTY);
++        return array;
++    }
++
++    private final ItemStack[] items;
++
++    private long bitSet = 0;
++    private final long allBits;
++
++    private static class OurNonNullList extends NonNullList<ItemStack> {
++        protected OurNonNullList(List<ItemStack> delegate) {
++            super(delegate, ItemStack.EMPTY);
++        }
++    }
++
++    public final NonNullList<ItemStack> nonNullList = new OurNonNullList(this);
++
++    private ItemListWithBitset(List<ItemStack> list) {
++        this(list.size());
++
++        for (int i = 0; i < list.size(); i++) {
++            this.set(i, list.get(i));
++        }
++    }
++
++    public ItemListWithBitset(int size) {
++        Validate.isTrue(size < Long.BYTES * 8, "size is too large");
++
++        this.items = createArray(size);
++        this.allBits = ((1L << size) - 1);
++    }
++
++    public boolean isCompletelyEmpty() {
++        return this.bitSet == 0;
++    }
++
++    public boolean hasFullStacks() {
++        return (this.bitSet & this.allBits) == allBits;
++    }
++
++    @Override
++    public ItemStack set(int index, @NotNull ItemStack itemStack) {
++        ItemStack existing = this.items[index];
++
++        this.items[index] = itemStack;
++
++        if (itemStack == ItemStack.EMPTY) {
++            this.bitSet &= ~(1L << index);
++        } else {
++            this.bitSet |= 1L << index;
++        }
++
++        return existing;
++    }
++
++    @NotNull
++    @Override
++    public ItemStack get(int var0) {
++        return this.items[var0];
++    }
++
++    @Override
++    public int size() {
++        return this.items.length;
++    }
++
++    @Override
++    public void clear() {
++        Arrays.fill(this.items, ItemStack.EMPTY);
++    }
++
++    // these are unsupported for block inventories which have a static size
++    @Override
++    public void add(int var0, ItemStack var1) {
++        throw new UnsupportedOperationException();
++    }
++
++    @Override
++    public ItemStack remove(int var0) {
++        throw new UnsupportedOperationException();
++    }
++
++    @Override
++    public String toString() {
++        return "ItemListWithBitset{" +
++          "items=" + Arrays.toString(items) +
++          ", bitSet=" + Long.toString(bitSet, 2) +
++          ", allBits=" + Long.toString(allBits, 2) +
++          ", size=" + this.items.length +
++          '}';
++    }
++}
+diff --git a/src/main/java/net/minecraft/world/CompoundContainer.java b/src/main/java/net/minecraft/world/CompoundContainer.java
+index 241fec02e6869c638d3a160819b32173a081467b..62848ca68f532fa14241320df76d180c13072c34 100644
+--- a/src/main/java/net/minecraft/world/CompoundContainer.java
++++ b/src/main/java/net/minecraft/world/CompoundContainer.java
+@@ -64,6 +64,23 @@ public class CompoundContainer implements Container {
+         this.container2 = second;
+     }
+ 
++    // Kaiiju start - airplane - improve container checking with a bitset
++    @Override
++   public boolean hasEmptySlot(net.minecraft.core.Direction enumdirection) {
++        return this.container1.hasEmptySlot(null) || this.container2.hasEmptySlot(null);
++    }
++
++    @Override
++   public boolean isCompletelyFull(net.minecraft.core.Direction enumdirection) {
++        return this.container1.isCompletelyFull(null) && this.container2.isCompletelyFull(null);
++    }
++
++    @Override
++    public boolean isCompletelyEmpty(net.minecraft.core.Direction enumdirection) {
++        return this.container1.isCompletelyEmpty(null) && this.container2.isCompletelyEmpty(null);
++    }
++    // Kaiiju end
++
+     @Override
+     public int getContainerSize() {
+         return this.container1.getContainerSize() + this.container2.getContainerSize();
+diff --git a/src/main/java/net/minecraft/world/Container.java b/src/main/java/net/minecraft/world/Container.java
+index 04b1531572e8fff1e46fe1c94e7fc863841e0f66..ac1e21a4fc210424ea57c247d03914c54129de9c 100644
+--- a/src/main/java/net/minecraft/world/Container.java
++++ b/src/main/java/net/minecraft/world/Container.java
+@@ -13,6 +13,63 @@ import org.bukkit.craftbukkit.entity.CraftHumanEntity;
+ // CraftBukkit end
+ 
+ public interface Container extends Clearable {
++    // Kaiiju start - airplane - allow the inventory to override and optimize these frequent calls
++    default boolean hasEmptySlot(@org.jetbrains.annotations.Nullable net.minecraft.core.Direction enumdirection) { // there is a slot with 0 items in it
++        if (this instanceof WorldlyContainer worldlyContainer) {
++            for (int i : worldlyContainer.getSlotsForFace(enumdirection)) {
++                if (this.getItem(i).isEmpty()) {
++                    return true;
++                }
++            }
++        } else {
++            int size = this.getContainerSize();
++            for (int i = 0; i < size; i++) {
++                if (this.getItem(i).isEmpty()) {
++                    return true;
++                }
++            }
++        }
++        return false;
++    }
++
++    default boolean isCompletelyFull(@org.jetbrains.annotations.Nullable net.minecraft.core.Direction enumdirection) { // every stack is maxed
++        if (this instanceof WorldlyContainer worldlyContainer) {
++            for (int i : worldlyContainer.getSlotsForFace(enumdirection)) {
++                ItemStack itemStack = this.getItem(i);
++                if (itemStack.getCount() < itemStack.getMaxStackSize()) {
++                    return false;
++                }
++            }
++        } else {
++            int size = this.getContainerSize();
++            for (int i = 0; i < size; i++) {
++                ItemStack itemStack = this.getItem(i);
++                if (itemStack.getCount() < itemStack.getMaxStackSize()) {
++                    return false;
++                }
++            }
++        }
++        return true;
++    }
++
++    default boolean isCompletelyEmpty(@org.jetbrains.annotations.Nullable net.minecraft.core.Direction enumdirection) {
++        if (this instanceof WorldlyContainer worldlyContainer) {
++            for (int i : worldlyContainer.getSlotsForFace(enumdirection)) {
++                if (!this.getItem(i).isEmpty()) {
++                    return false;
++                }
++            }
++        } else {
++            int size = this.getContainerSize();
++            for (int i = 0; i < size; i++) {
++                if (!this.getItem(i).isEmpty()) {
++                    return false;
++                }
++            }
++        }
++        return true;
++    }
++    // Kaiiju end
+ 
+     int LARGE_MAX_STACK_SIZE = 64;
+     int DEFAULT_DISTANCE_LIMIT = 8;
+diff --git a/src/main/java/net/minecraft/world/entity/vehicle/AbstractMinecartContainer.java b/src/main/java/net/minecraft/world/entity/vehicle/AbstractMinecartContainer.java
+index 272095d7a09ab41227d741172735f66fd2798ce1..1f2e2d7726abd63bb46697697c91696387c819a2 100644
+--- a/src/main/java/net/minecraft/world/entity/vehicle/AbstractMinecartContainer.java
++++ b/src/main/java/net/minecraft/world/entity/vehicle/AbstractMinecartContainer.java
+@@ -28,6 +28,7 @@ import org.bukkit.inventory.InventoryHolder;
+ public abstract class AbstractMinecartContainer extends AbstractMinecart implements ContainerEntity {
+ 
+     private NonNullList<ItemStack> itemStacks;
++    private dev.kaiijumc.kaiiju.structs.ItemListWithBitset itemStacksOptimized; // Kaiiju - airplane - implement ItemListWithBitset
+     @Nullable
+     public ResourceLocation lootTable;
+     public long lootTableSeed;
+@@ -89,12 +90,18 @@ public abstract class AbstractMinecartContainer extends AbstractMinecart impleme
+ 
+     protected AbstractMinecartContainer(EntityType<?> type, Level world) {
+         super(type, world);
+-        this.itemStacks = NonNullList.withSize(this.getContainerSize(), ItemStack.EMPTY); // CraftBukkit - SPIGOT-3513
++        // Kaiiju start - airplane - use ItemListWithBitset
++        this.itemStacksOptimized = new dev.kaiijumc.kaiiju.structs.ItemListWithBitset(this.getContainerSize()); // CraftBukkit - SPIGOT-3513
++        this.itemStacks = this.itemStacksOptimized.nonNullList;
++        // Kaiiju end
+     }
+ 
+     protected AbstractMinecartContainer(EntityType<?> type, double x, double y, double z, Level world) {
+         super(type, world, x, y, z);
+-        this.itemStacks = NonNullList.withSize(this.getContainerSize(), ItemStack.EMPTY); // CraftBukkit - SPIGOT-3513
++        // Kaiiju start - airplane - use ItemListWithBitset
++        this.itemStacksOptimized = new dev.kaiijumc.kaiiju.structs.ItemListWithBitset(this.getContainerSize()); // CraftBukkit - SPIGOT-3513
++        this.itemStacks = this.itemStacksOptimized.nonNullList;
++        // Kaiiju end
+     }
+ 
+     @Override
+@@ -156,6 +163,10 @@ public abstract class AbstractMinecartContainer extends AbstractMinecart impleme
+     protected void readAdditionalSaveData(CompoundTag nbt) {
+         super.readAdditionalSaveData(nbt);
+         this.lootableData.loadNbt(nbt); // Paper
++        // Kaiiju start - airplane - use ItemListWithBitset
++        this.itemStacksOptimized = new dev.kaiijumc.kaiiju.structs.ItemListWithBitset(this.getContainerSize()); // CraftBukkit - SPIGOT-3513
++        this.itemStacks = this.itemStacksOptimized.nonNullList;
++        // Kaiiju end
+         this.readChestVehicleSaveData(nbt);
+     }
+ 
+diff --git a/src/main/java/net/minecraft/world/level/block/entity/ChestBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/ChestBlockEntity.java
+index a71414397bd45ee7bcacfeef0041d80dfa25f114..67f69540e6c217070f8d2af8908d4eb6f2b5c1c1 100644
+--- a/src/main/java/net/minecraft/world/level/block/entity/ChestBlockEntity.java
++++ b/src/main/java/net/minecraft/world/level/block/entity/ChestBlockEntity.java
+@@ -31,6 +31,7 @@ import org.bukkit.entity.HumanEntity;
+ public class ChestBlockEntity extends RandomizableContainerBlockEntity implements LidBlockEntity {
+ 
+     private static final int EVENT_SET_OPEN_COUNT = 1;
++    private dev.kaiijumc.kaiiju.structs.ItemListWithBitset optimizedItems; // Kaiiju - airplane - implement ItemListWithBitset
+     private NonNullList<ItemStack> items;
+     public final ContainerOpenersCounter openersCounter;
+     private final ChestLidController chestLidController;
+@@ -65,9 +66,14 @@ public class ChestBlockEntity extends RandomizableContainerBlockEntity implement
+     }
+     // CraftBukkit end
+ 
++    private final boolean isNative = getClass().equals(ChestBlockEntity.class); // Kaiiju - airplane
++
+     protected ChestBlockEntity(BlockEntityType<?> type, BlockPos pos, BlockState state) {
+         super(type, pos, state);
+-        this.items = NonNullList.withSize(27, ItemStack.EMPTY);
++        // Kaiiju start - airplane - use ItemListWithBitset
++        this.optimizedItems = new dev.kaiijumc.kaiiju.structs.ItemListWithBitset(27);
++        this.items = this.optimizedItems.nonNullList;
++        // Kaiiju end
+         this.openersCounter = new ContainerOpenersCounter() {
+             @Override
+             protected void onOpen(Level world, BlockPos pos, BlockState state) {
+@@ -98,6 +104,23 @@ public class ChestBlockEntity extends RandomizableContainerBlockEntity implement
+         this.chestLidController = new ChestLidController();
+     }
+ 
++    // Kaiiju start - airplane - improve container checking with a bitset
++    @Override
++    public boolean hasEmptySlot(Direction enumdirection) {
++        return isNative ? !this.optimizedItems.hasFullStacks() : super.hasEmptySlot(enumdirection);
++    }
++
++    @Override
++    public boolean isCompletelyFull(Direction enumdirection) {
++        return isNative ? this.optimizedItems.hasFullStacks() && super.isCompletelyFull(enumdirection) : super.isCompletelyFull(enumdirection);
++    }
++
++    @Override
++    public boolean isCompletelyEmpty(Direction enumdirection) {
++        return isNative && this.optimizedItems.isCompletelyEmpty() || super.isCompletelyEmpty(enumdirection);
++    }
++    // Kaiiju end
++
+     public ChestBlockEntity(BlockPos pos, BlockState state) {
+         this(BlockEntityType.CHEST, pos, state);
+     }
+@@ -115,7 +138,10 @@ public class ChestBlockEntity extends RandomizableContainerBlockEntity implement
+     @Override
+     public void load(CompoundTag nbt) {
+         super.load(nbt);
+-        this.items = NonNullList.withSize(this.getContainerSize(), ItemStack.EMPTY);
++        // Kaiiju start - airplane - use ItemListWithBitset
++        this.optimizedItems = new dev.kaiijumc.kaiiju.structs.ItemListWithBitset(this.getContainerSize());
++        this.items = this.optimizedItems.nonNullList;
++        // Kaiiju end
+         if (!this.tryLoadLootTable(nbt)) {
+             ContainerHelper.loadAllItems(nbt, this.items);
+         }
+@@ -187,7 +213,10 @@ public class ChestBlockEntity extends RandomizableContainerBlockEntity implement
+ 
+     @Override
+     protected void setItems(NonNullList<ItemStack> list) {
+-        this.items = list;
++        // Kaiiju start - airplane - use ItemListWithBitset
++        this.optimizedItems = dev.kaiijumc.kaiiju.structs.ItemListWithBitset.fromList(list);
++        this.items = this.optimizedItems.nonNullList;
++        // Kaiiju end
+     }
+ 
+     @Override
+diff --git a/src/main/java/net/minecraft/world/level/block/entity/HopperBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/HopperBlockEntity.java
+index 8781a7cebf66007158286f265e2adbaf40c1d2ff..6d55a6687060bdb6b2286e294d09ef0093b1625e 100644
+--- a/src/main/java/net/minecraft/world/level/block/entity/HopperBlockEntity.java
++++ b/src/main/java/net/minecraft/world/level/block/entity/HopperBlockEntity.java
+@@ -48,6 +48,7 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen
+     public static final int MOVE_ITEM_SPEED = 8;
+     public static final int HOPPER_CONTAINER_SIZE = 5;
+     private NonNullList<ItemStack> items;
++    private dev.kaiijumc.kaiiju.structs.ItemListWithBitset optimizedItems; // Kaiiju - airplane - implement ItemListWithBitset
+     private int cooldownTime;
+     private long tickedGameTime;
+ 
+@@ -83,14 +84,37 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen
+ 
+     public HopperBlockEntity(BlockPos pos, BlockState state) {
+         super(BlockEntityType.HOPPER, pos, state);
+-        this.items = NonNullList.withSize(5, ItemStack.EMPTY);
++        // Kaiiju start - airplane - use ItemListWithBitset
++        this.optimizedItems = new dev.kaiijumc.kaiiju.structs.ItemListWithBitset(5);
++        this.items = this.optimizedItems.nonNullList;
++        // Kaiiju end
+         this.cooldownTime = -1;
+     }
+ 
++    // Kaiiju start - airplane - improve container checking with a bitset
++    @Override
++    public boolean hasEmptySlot(Direction enumdirection) {
++        return !this.optimizedItems.hasFullStacks();
++    }
++
++    @Override
++    public boolean isCompletelyFull(Direction enumdirection) {
++        return this.optimizedItems.hasFullStacks() && super.isCompletelyFull(enumdirection);
++    }
++
++    @Override
++    public boolean isCompletelyEmpty(Direction enumdirection) {
++        return this.optimizedItems.isCompletelyEmpty() || super.isCompletelyEmpty(enumdirection);
++    }
++    // Kaiiju end
++
+     @Override
+     public void load(CompoundTag nbt) {
+         super.load(nbt);
+-        this.items = NonNullList.withSize(this.getContainerSize(), ItemStack.EMPTY);
++        // Kaiiju start - airplane - use ItemListWithBitset
++        this.optimizedItems = new dev.kaiijumc.kaiiju.structs.ItemListWithBitset(this.getContainerSize());
++        this.items = this.optimizedItems.nonNullList;
++        // Kaiiju end
+         if (!this.tryLoadLootTable(nbt)) {
+             ContainerHelper.loadAllItems(nbt, this.items);
+         }
+@@ -162,7 +186,7 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen
+                     flag = HopperBlockEntity.ejectItems(world, pos, state, (Container) blockEntity, blockEntity); // CraftBukkit
+                 }
+ 
+-                if (!blockEntity.inventoryFull()) {
++                if (!blockEntity.optimizedItems.hasFullStacks() || !blockEntity.inventoryFull()) { // Kaiiju - airplane
+                     flag |= booleansupplier.getAsBoolean();
+                 }
+ 
+@@ -456,11 +480,11 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen
+     }
+ 
+     private static boolean isFullContainer(Container inventory, Direction direction) {
+-        return allMatch(inventory, direction, STACK_SIZE_TEST); // Paper - no streams
++        return inventory.isCompletelyFull(direction); // Kaiiju - airplane - use bitsets
+     }
+ 
+     private static boolean isEmptyContainer(Container inv, Direction facing) {
+-        return allMatch(inv, facing, IS_EMPTY_TEST);
++        return inv.isCompletelyEmpty(facing); // Kaiiju - airplane - use bitsets
+     }
+ 
+     public static boolean suckInItems(Level world, Hopper hopper) {
+@@ -650,7 +674,7 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen
+ 
+         if (HopperBlockEntity.canPlaceItemInContainer(to, stack, slot, side)) {
+             boolean flag = false;
+-            boolean flag1 = to.isEmpty();
++            boolean flag1 = to.isCompletelyEmpty(side); // Kaiiju - airplane - use bitsets
+ 
+             if (itemstack1.isEmpty()) {
+                 // Spigot start - SPIGOT-6693, InventorySubcontainer#setItem
+@@ -845,7 +869,10 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen
+ 
+     @Override
+     protected void setItems(NonNullList<ItemStack> list) {
+-        this.items = list;
++        // Kaiiju start - airplane - use ItemListWithBitset
++        this.optimizedItems = dev.kaiijumc.kaiiju.structs.ItemListWithBitset.fromList(list);
++        this.items = this.optimizedItems.nonNullList;
++        // Kaiiju end
+     }
+ 
+     public static void entityInside(Level world, BlockPos pos, BlockState state, Entity entity, HopperBlockEntity blockEntity) {
+diff --git a/src/main/java/net/minecraft/world/level/block/entity/RandomizableContainerBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/RandomizableContainerBlockEntity.java
+index 081691f9710ff1115e4308f79ed49fbc38941193..648e28c5fba5c62e65f83fbb5ebc8836ffb166a9 100644
+--- a/src/main/java/net/minecraft/world/level/block/entity/RandomizableContainerBlockEntity.java
++++ b/src/main/java/net/minecraft/world/level/block/entity/RandomizableContainerBlockEntity.java
+@@ -95,14 +95,7 @@ public abstract class RandomizableContainerBlockEntity extends BaseContainerBloc
+     @Override
+     public boolean isEmpty() {
+         this.unpackLootTable((Player)null);
+-        // Paper start
+-        for (final ItemStack itemStack : this.getItems()) {
+-            if (!itemStack.isEmpty()) {
+-                return false;
+-            }
+-        }
+-        return true;
+-        // Paper end
++        return this.isCompletelyEmpty(null); // Kaiiju - airplane - use super
+     }
+ 
+     @Override

patches/server/0001-Kaiiju-Rebranding.patch

@@ -1,775 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
-Date: Fri, 10 Feb 2023 02:58:46 +0200
-Subject: [PATCH] Kaiiju Rebranding
-
-
-diff --git a/build.gradle.kts b/build.gradle.kts
-index f25c0557cf984b97e0ab361f579eccbf46f82170..7f1f4988a25a5ebac36c25c045c51eefecab6862 100644
---- a/build.gradle.kts
-+++ b/build.gradle.kts
-@@ -7,7 +7,7 @@ plugins {
- }
- 
- dependencies {
--    implementation(project(":purpur-api")) // Purpur
-+    implementation(project(":kaiiju-api")) // Purpur // Kaiiju
-     // Pufferfish start
-     implementation("io.papermc.paper:paper-mojangapi:1.19.3-R0.1-SNAPSHOT") {
-         exclude("io.papermc.paper", "paper-api")
-@@ -84,7 +84,7 @@ tasks.jar {
-         attributes(
-             "Main-Class" to "org.bukkit.craftbukkit.Main",
-             "Implementation-Title" to "CraftBukkit",
--            "Implementation-Version" to "git-Purpur-$implementationVersion", // Purpur
-+            "Implementation-Version" to "git-Kaiiju-$implementationVersion", // Purpur // Kaiiju
-             "Implementation-Vendor" to date, // Paper
-             "Specification-Title" to "Bukkit",
-             "Specification-Version" to project.version,
-diff --git a/src/main/java/com/destroystokyo/paper/Metrics.java b/src/main/java/com/destroystokyo/paper/Metrics.java
-index 9713263c3bd34ab8a3bfc0a8797ba0b1b88ed733..0b95cd5305e4559d6dca59011869e5b203d51576 100644
---- a/src/main/java/com/destroystokyo/paper/Metrics.java
-+++ b/src/main/java/com/destroystokyo/paper/Metrics.java
-@@ -593,7 +593,7 @@ public class Metrics {
-             boolean logFailedRequests = config.getBoolean("logFailedRequests", false);
-             // Only start Metrics, if it's enabled in the config
-             if (config.getBoolean("enabled", true)) {
--                Metrics metrics = new Metrics("Purpur", serverUUID, logFailedRequests, Bukkit.getLogger()); // Purpur
-+                Metrics metrics = new Metrics("Kaiiju", serverUUID, logFailedRequests, Bukkit.getLogger()); // Purpur // Kaiiju
- 
-                 metrics.addCustomChart(new Metrics.SimplePie("minecraft_version", () -> {
-                     String minecraftVersion = Bukkit.getVersion();
-@@ -603,7 +603,7 @@ public class Metrics {
- 
-                 metrics.addCustomChart(new Metrics.SingleLineChart("players", () -> Bukkit.getOnlinePlayers().size()));
-                 metrics.addCustomChart(new Metrics.SimplePie("online_mode", () -> Bukkit.getOnlineMode() ? "online" : (io.papermc.paper.configuration.GlobalConfiguration.get().proxies.isProxyOnlineMode() ? "bungee" : "offline"))); // Purpur
--                metrics.addCustomChart(new Metrics.SimplePie("purpur_version", () -> (org.bukkit.craftbukkit.Main.class.getPackage().getImplementationVersion() != null) ? org.bukkit.craftbukkit.Main.class.getPackage().getImplementationVersion() : "unknown")); // Purpur
-+                metrics.addCustomChart(new Metrics.SimplePie("kaiiju_version", () -> (org.bukkit.craftbukkit.Main.class.getPackage().getImplementationVersion() != null) ? org.bukkit.craftbukkit.Main.class.getPackage().getImplementationVersion() : "unknown")); // Purpur // Kaiiju
- 
-                 metrics.addCustomChart(new Metrics.DrilldownPie("java_version", () -> {
-                     Map<String, Map<String, Integer>> map = new HashMap<>();
-diff --git a/src/main/java/com/destroystokyo/paper/PaperVersionFetcher.java b/src/main/java/com/destroystokyo/paper/PaperVersionFetcher.java
-index fba5dbdb7bcbb55400ef18342c9b54612972a718..8aaa2942d35d6447655f8355106841a30429b653 100644
---- a/src/main/java/com/destroystokyo/paper/PaperVersionFetcher.java
-+++ b/src/main/java/com/destroystokyo/paper/PaperVersionFetcher.java
-@@ -20,7 +20,7 @@ import java.util.stream.StreamSupport;
- public class PaperVersionFetcher implements VersionFetcher {
-     private static final java.util.regex.Pattern VER_PATTERN = java.util.regex.Pattern.compile("^([0-9\\.]*)\\-.*R"); // R is an anchor, will always give '-R' at end
-     // Purpur start
--    private static final String DOWNLOAD_PAGE = "https://purpurmc.org/downloads";
-+    private static final String DOWNLOAD_PAGE = "https://github.com/KaiijuMC/Kaiiju/releases"; // Kaiiju
-     private static int distance = -2; public int distance() { return distance; }
-     // Purpur end
-     private static @Nullable String mcVer;
-@@ -33,8 +33,8 @@ public class PaperVersionFetcher implements VersionFetcher {
-     @Nonnull
-     @Override
-     public Component getVersionMessage(@Nonnull String serverVersion) {
--        String[] parts = serverVersion.substring("git-Purpur-".length()).split("[-\\s]"); // Purpur
--        final Component updateMessage = getUpdateStatusMessage("PurpurMC/Purpur", "ver/" + getMinecraftVersion(), parts[0]); // Purpur
-+        String[] parts = serverVersion.substring("git-Kaiiju-".length()).split("[-\\s]"); // Purpur // Kaiiju
-+        final Component updateMessage = getUpdateStatusMessage("KaiijuMC/Kaiiju", "ver/" + getMinecraftVersion(), parts[0]); // Purpur // Kaiiju
-         final Component history = getHistory();
- 
-         return history != null ? Component.join(net.kyori.adventure.text.JoinConfiguration.separator(Component.newline()), history, updateMessage) : updateMessage; // Purpur
-@@ -47,7 +47,7 @@ public class PaperVersionFetcher implements VersionFetcher {
-                 String result = matcher.group();
-                 mcVer = result.substring(0, result.length() - 2); // strip 'R' anchor and trailing '-'
-             } else {
--                org.bukkit.Bukkit.getLogger().warning("Unable to match version to pattern! Report to Purpur!"); // Purpur
-+                org.bukkit.Bukkit.getLogger().warning("Unable to match version to pattern! Report to Kaiiju!"); // Purpur // Kaiiju
-                 org.bukkit.Bukkit.getLogger().warning("Pattern: " + VER_PATTERN.toString());
-                 org.bukkit.Bukkit.getLogger().warning("Version: " + org.bukkit.Bukkit.getBukkitVersion());
-             }
-@@ -58,6 +58,8 @@ public class PaperVersionFetcher implements VersionFetcher {
- 
-     private static Component getUpdateStatusMessage(@Nonnull String repo, @Nonnull String branch, @Nonnull String versionInfo) {
-         //int distance; // Purpur - use field
-+        // Kaiiju start - disable jenkins/api checking
-+        /*
-         try {
-             int jenkinsBuild = Integer.parseInt(versionInfo);
-             distance = fetchDistanceFromSiteApi(jenkinsBuild, getMinecraftVersion());
-@@ -65,6 +67,10 @@ public class PaperVersionFetcher implements VersionFetcher {
-             versionInfo = versionInfo.replace("\"", "");
-             distance = fetchDistanceFromGitHub(repo, branch, versionInfo);
-         }
-+        */
-+        versionInfo = versionInfo.replace("\"", "");
-+        distance = fetchDistanceFromGitHub(repo, branch, versionInfo);
-+        // Kaiiju end
- 
-         switch (distance) {
-             case -1:
-diff --git a/src/main/java/com/destroystokyo/paper/console/PaperConsole.java b/src/main/java/com/destroystokyo/paper/console/PaperConsole.java
-index 3cb56595822799926a8141e60a42f5d1edfc6de5..7ae1c10ebfb8b61e7d0fa63c96ff2dee98294f4d 100644
---- a/src/main/java/com/destroystokyo/paper/console/PaperConsole.java
-+++ b/src/main/java/com/destroystokyo/paper/console/PaperConsole.java
-@@ -17,7 +17,7 @@ public final class PaperConsole extends SimpleTerminalConsole {
-     @Override
-     protected LineReader buildReader(LineReaderBuilder builder) {
-         builder
--                .appName("Purpur") // Purpur
-+                .appName("Kaiiju") // Purpur // Kaiiju
-                 .variable(LineReader.HISTORY_FILE, java.nio.file.Paths.get(".console_history"))
-                 .completer(new ConsoleCommandCompleter(this.server))
-                 .option(LineReader.Option.COMPLETE_IN_WORD, true);
-diff --git a/src/main/java/net/minecraft/CrashReport.java b/src/main/java/net/minecraft/CrashReport.java
-index b5b6657e52e4f7a630229bd3ba433438af293e22..afda0d4198398de29a62159fae701b222969e9fa 100644
---- a/src/main/java/net/minecraft/CrashReport.java
-+++ b/src/main/java/net/minecraft/CrashReport.java
-@@ -125,7 +125,7 @@ public class CrashReport {
-         stringbuilder.append("---- Minecraft Crash Report ----\n");
-         // Purpur start
-         stringbuilder.append("// ");
--        stringbuilder.append("// DO NOT REPORT THIS TO PAPER! REPORT TO PURPUR INSTEAD!");
-+        stringbuilder.append("// DO NOT REPORT THIS TO PAPER/PURPUR! REPORT TO KAIIJU INSTEAD!"); // Kaiiju
-         // Purpur end
-         stringbuilder.append("// ");
-         stringbuilder.append(CrashReport.getErrorComment());
-diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
-index cea4447aad2d64db56a76e4ba180dc7326d2e13b..40b4bd2f1a61c2d9a59c9c09b72713401969460b 100644
---- a/src/main/java/net/minecraft/server/MinecraftServer.java
-+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
-@@ -927,7 +927,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
-         shutdownThread = Thread.currentThread();
-         org.spigotmc.WatchdogThread.doStop(); // Paper
-         if (!isSameThread()) {
--            MinecraftServer.LOGGER.info("Stopping main thread (Ignore any thread death message you see! - DO NOT REPORT THREAD DEATH TO PURPUR)"); // Purpur
-+            MinecraftServer.LOGGER.info("Stopping main thread (Ignore any thread death message you see! - DO NOT REPORT THREAD DEATH TO KAIIJU)"); // Purpur // Kaiiju
-             while (this.getRunningThread().isAlive()) {
-                 this.getRunningThread().stop();
-                 try {
-diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
-index c32e32005968b46d1f7d5162ab15c61e36f398f5..23f4edebbfa045716f956128703b58baced58f49 100644
---- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
-+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
-@@ -261,7 +261,7 @@ import javax.annotation.Nullable; // Paper
- import javax.annotation.Nonnull; // Paper
- 
- public final class CraftServer implements Server {
--    private final String serverName = "Purpur"; // Paper // Purpur
-+    private final String serverName = "Kaiiju"; // Paper // Purpur // Kaiiju
-     private final String serverVersion;
-     private final String bukkitVersion = Versioning.getBukkitVersion();
-     private final Logger logger = Logger.getLogger("Minecraft");
-diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
-index 78ac748859e21a61140e9bff67e4527a8d35b4b6..5e14153433f5c7854a357aad4776b2aad4cd6fa0 100644
---- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
-+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
-@@ -883,7 +883,7 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
-             return EntityCategory.WATER;
-         }
- 
--        throw new UnsupportedOperationException("Unsupported monster type: " + type + ". This is a bug, report this to Purpur."); // Purpur
-+        throw new UnsupportedOperationException("Unsupported monster type: " + type + ". This is a bug, report this to Kaiiju."); // Purpur // Kaiiju
-     }
- 
-     @Override
-diff --git a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
-index 5402098dce0d64d3dceea51f248d7d366850a74f..2b7a67c339994c34296f7057ffc8822b4aa0036b 100644
---- a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
-+++ b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
-@@ -504,7 +504,7 @@ public class CraftScheduler implements BukkitScheduler {
-                 this.parsePending();
-             } else {
-                 //this.debugTail = this.debugTail.setNext(new CraftAsyncDebugger(currentTick + CraftScheduler.RECENT_TICKS, task.getOwner(), task.getTaskClass())); // Paper
--                task.getOwner().getLogger().log(Level.SEVERE, "Unexpected Async Task in the Sync Scheduler. Report this to Purpur"); // Paper // Purpur
-+                task.getOwner().getLogger().log(Level.SEVERE, "Unexpected Async Task in the Sync Scheduler. Report this to Kaiiju"); // Paper // Purpur // Kaiiju
-                 // We don't need to parse pending
-                 // (async tasks must live with race-conditions if they attempt to cancel between these few lines of code)
-             }
-diff --git a/src/main/java/org/bukkit/craftbukkit/util/Versioning.java b/src/main/java/org/bukkit/craftbukkit/util/Versioning.java
-index fb87620c742ff7912f5e8ccd2a7930dd605576d9..0f56013165cd61023b4f30a4da424b701e14a8e2 100644
---- a/src/main/java/org/bukkit/craftbukkit/util/Versioning.java
-+++ b/src/main/java/org/bukkit/craftbukkit/util/Versioning.java
-@@ -11,7 +11,7 @@ public final class Versioning {
-     public static String getBukkitVersion() {
-         String result = "Unknown-Version";
- 
--        InputStream stream = Bukkit.class.getClassLoader().getResourceAsStream("META-INF/maven/org.purpurmc.purpur/purpur-api/pom.properties"); // Purpur
-+        InputStream stream = Bukkit.class.getClassLoader().getResourceAsStream("META-INF/maven/dev.kaiijumc.kaiiju/kaiiju-api/pom.properties"); // Purpur // Kaiiju
-         Properties properties = new Properties();
- 
-         if (stream != null) {
-diff --git a/src/main/java/org/purpurmc/purpur/PurpurConfig.java b/src/main/java/org/purpurmc/purpur/PurpurConfig.java
-index c7c0ed8dfe58c841faf684a1fe228eeda6cd57b7..410ce2dc98c48871d2ddfb0195f2885adc18cba8 100644
---- a/src/main/java/org/purpurmc/purpur/PurpurConfig.java
-+++ b/src/main/java/org/purpurmc/purpur/PurpurConfig.java
-@@ -227,7 +227,7 @@ public class PurpurConfig {
-         deathMessageOnlyBroadcastToAffectedPlayer = getBoolean("settings.broadcasts.death.only-broadcast-to-affected-player", deathMessageOnlyBroadcastToAffectedPlayer);
-     }
- 
--    public static String serverModName = "Purpur";
-+    public static String serverModName = "Kaiiju"; // Kaiiju
-     private static void serverModName() {
-         serverModName = getString("settings.server-mod-name", serverModName);
-     }
-diff --git a/src/main/java/org/spigotmc/WatchdogThread.java b/src/main/java/org/spigotmc/WatchdogThread.java
-index a810bfd3b8d6bd4d8f2ef8797e4281ae4fe8a67f..7e92d77edb448f2ec818bf4b876d3df56d6362cc 100644
---- a/src/main/java/org/spigotmc/WatchdogThread.java
-+++ b/src/main/java/org/spigotmc/WatchdogThread.java
-@@ -155,14 +155,14 @@ public final class WatchdogThread extends io.papermc.paper.util.TickThread // Pa
-                 if (isLongTimeout) {
-                 // Paper end
-                 log.log( Level.SEVERE, "------------------------------" );
--                log.log( Level.SEVERE, "The server has stopped responding! This is (probably) not a Purpur bug." ); // Paper // Purpur
-+                log.log( Level.SEVERE, "The server has stopped responding! This is (probably) not a Kaiiju bug." ); // Paper // Purpur // Kaiiju
-                 log.log( Level.SEVERE, "If you see a plugin in the Server thread dump below, then please report it to that author" );
-                 log.log( Level.SEVERE, "\t *Especially* if it looks like HTTP or MySQL operations are occurring" );
-                 log.log( Level.SEVERE, "If you see a world save or edit, then it means you did far more than your server can handle at once" );
-                 log.log( Level.SEVERE, "\t If this is the case, consider increasing timeout-time in spigot.yml but note that this will replace the crash with LARGE lag spikes" );
--                log.log( Level.SEVERE, "If you are unsure or still think this is a Purpur bug, please report this to https://github.com/PurpurMC/Purpur/issues" ); // Purpur
-+                log.log( Level.SEVERE, "If you are unsure or still think this is a Kaiiju bug, please report this to https://github.com/KaiijuMC/Kaiiju/issues" ); // Purpur // Kaiiju
-                 log.log( Level.SEVERE, "Be sure to include ALL relevant console errors and Minecraft crash reports" );
--                log.log( Level.SEVERE, "Purpur version: " + Bukkit.getServer().getVersion() ); // Purpur
-+                log.log( Level.SEVERE, "Kaiiju version: " + Bukkit.getServer().getVersion() ); // Purpur // Kaiiju
-                 //
-                 if ( net.minecraft.world.level.Level.lastPhysicsProblem != null )
-                 {
-@@ -185,12 +185,12 @@ public final class WatchdogThread extends io.papermc.paper.util.TickThread // Pa
-                 // Paper end
-                 } else
-                 {
--                    log.log(Level.SEVERE, "--- DO NOT REPORT THIS TO PURPUR - THIS IS NOT A BUG OR A CRASH  - " + Bukkit.getServer().getVersion() + " ---"); // Purpur
-+                    log.log(Level.SEVERE, "--- DO NOT REPORT THIS TO KAIIJU - THIS IS NOT A BUG OR A CRASH  - " + Bukkit.getServer().getVersion() + " ---"); // Purpur // Kaiiju
-                     log.log(Level.SEVERE, "The server has not responded for " + (currentTime - lastTick) / 1000 + " seconds! Creating thread dump");
-                 }
-                 // Paper end - Different message for short timeout
-                 log.log( Level.SEVERE, "------------------------------" );
--                log.log( Level.SEVERE, "Server thread dump (Look for plugins here before reporting to Purpur!):" ); // Paper // Purpur
-+                log.log( Level.SEVERE, "Server thread dump (Look for plugins here before reporting to Kaiiju!):" ); // Paper // Purpur // Kaiiju
-                 io.papermc.paper.chunk.system.scheduling.ChunkTaskScheduler.dumpAllChunkLoadInfo(isLongTimeout); // Paper // Paper - rewrite chunk system
-                 this.dumpTickingInfo(); // Paper - log detailed tick information
-                 WatchdogThread.dumpThread( ManagementFactory.getThreadMXBean().getThreadInfo( MinecraftServer.getServer().serverThread.getId(), Integer.MAX_VALUE ), log );
-@@ -206,7 +206,7 @@ public final class WatchdogThread extends io.papermc.paper.util.TickThread // Pa
-                     WatchdogThread.dumpThread( thread, log );
-                 }
-                 } else {
--                    log.log(Level.SEVERE, "--- DO NOT REPORT THIS TO PURPUR - THIS IS NOT A BUG OR A CRASH ---"); // Purpur
-+                    log.log(Level.SEVERE, "--- DO NOT REPORT THIS TO KAIIJU - THIS IS NOT A BUG OR A CRASH ---"); // Purpur // Kaiiju
-                 }
- 
-                 log.log( Level.SEVERE, "------------------------------" );
-diff --git a/src/main/resources/logo.png b/src/main/resources/logo.png
-index 518591dd83289e041a16e2c2e7d7e7640d4b2e1b..d51e050fef81600d005e153c6a2a4c6ba7ff3388 100644
-GIT binary patch
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-

patches/server/0001-Rebranding.patch

@@ -0,0 +1,253 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Fri, 10 Feb 2023 02:58:46 +0200
+Subject: [PATCH] Rebranding
+
+
+diff --git a/build.gradle.kts b/build.gradle.kts
+index 9ee90bc753e65f9dd532f28ec75cc16bf16486c8..4ce50523b1d5f2110fa873f4d3cfc9839ad606c7 100644
+--- a/build.gradle.kts
++++ b/build.gradle.kts
+@@ -14,7 +14,7 @@ val alsoShade: Configuration by configurations.creating
+ 
+ dependencies {
+     // Folia start
+-    implementation(project(":folia-api"))
++    implementation(project(":kaiiju-api")) // Kaiiju
+     implementation("io.papermc.paper:paper-mojangapi:1.19.3-R0.1-SNAPSHOT") {
+         exclude("io.papermc.paper", "paper-api")
+     }
+@@ -76,7 +76,7 @@ tasks.jar {
+         attributes(
+             "Main-Class" to "org.bukkit.craftbukkit.Main",
+             "Implementation-Title" to "CraftBukkit",
+-            "Implementation-Version" to "git-Folia-$implementationVersion", // Folia
++            "Implementation-Version" to "git-Kaiiju-$implementationVersion", // Folia // Kaiiju
+             "Implementation-Vendor" to date, // Paper
+             "Specification-Title" to "Bukkit",
+             "Specification-Version" to project.version,
+diff --git a/src/main/java/com/destroystokyo/paper/Metrics.java b/src/main/java/com/destroystokyo/paper/Metrics.java
+index cb60d58d4a7556dd896f31d0cd249f860bb3ef84..c9ccc016044f2b179c291d9d5b2a43967cca119a 100644
+--- a/src/main/java/com/destroystokyo/paper/Metrics.java
++++ b/src/main/java/com/destroystokyo/paper/Metrics.java
+@@ -593,7 +593,7 @@ public class Metrics {
+             boolean logFailedRequests = config.getBoolean("logFailedRequests", false);
+             // Only start Metrics, if it's enabled in the config
+             if (config.getBoolean("enabled", true)) {
+-                Metrics metrics = new Metrics("Folia", serverUUID, logFailedRequests, Bukkit.getLogger()); // Folia - we have our own bstats page
++                Metrics metrics = new Metrics("Kaiiju", serverUUID, logFailedRequests, Bukkit.getLogger()); // Folia - we have our own bstats page // Kaiiju
+ 
+                 metrics.addCustomChart(new Metrics.SimplePie("minecraft_version", () -> {
+                     String minecraftVersion = Bukkit.getVersion();
+@@ -612,6 +612,7 @@ public class Metrics {
+                     paperVersion = "unknown";
+                 }
+                 metrics.addCustomChart(new Metrics.SimplePie("folia_version", () -> paperVersion)); // Folia - we have our own bstats page
++                metrics.addCustomChart(new Metrics.SimplePie("kaiiju_version", () -> (org.bukkit.craftbukkit.Main.class.getPackage().getImplementationVersion() != null) ? org.bukkit.craftbukkit.Main.class.getPackage().getImplementationVersion() : "unknown")); // Kaiiju
+ 
+                 metrics.addCustomChart(new Metrics.DrilldownPie("java_version", () -> {
+                     Map<String, Map<String, Integer>> map = new HashMap<>();
+diff --git a/src/main/java/com/destroystokyo/paper/PaperVersionFetcher.java b/src/main/java/com/destroystokyo/paper/PaperVersionFetcher.java
+index e2f704c115fd6e00960bb56bb0779f1100c89c17..95bc514df2022dde265b84490d3d0db002685024 100644
+--- a/src/main/java/com/destroystokyo/paper/PaperVersionFetcher.java
++++ b/src/main/java/com/destroystokyo/paper/PaperVersionFetcher.java
+@@ -20,9 +20,11 @@ import java.util.stream.StreamSupport;
+ public class PaperVersionFetcher implements VersionFetcher {
+     private static final java.util.regex.Pattern VER_PATTERN = java.util.regex.Pattern.compile("^([0-9\\.]*)\\-.*R"); // R is an anchor, will always give '-R' at end
+     private static final String GITHUB_BRANCH_NAME = "master";
+-    private static final String DOWNLOAD_PAGE = "https://papermc.io/downloads/paper";
++    // Kaiiju start
++    private static final String DOWNLOAD_PAGE = "https://github.com/KaiijuMC/Kaiiju/releases";
++    private static int distance = -2; public int distance() { return distance; }
++    // Kaiiju end
+     private static @Nullable String mcVer;
+-
+     @Override
+     public long getCacheTime() {
+         return 720000;
+@@ -31,8 +33,8 @@ public class PaperVersionFetcher implements VersionFetcher {
+     @Nonnull
+     @Override
+     public Component getVersionMessage(@Nonnull String serverVersion) {
+-        String[] parts = serverVersion.substring("git-Folia-".length()).split("[-\\s]"); // Folia
+-        final Component updateMessage = getUpdateStatusMessage("PaperMC/Folia", GITHUB_BRANCH_NAME, parts[0]); // Folia
++        String[] parts = serverVersion.substring("git-Kaiiju-".length()).split("[-\\s]"); // Folia // Kaiiju
++        final Component updateMessage = getUpdateStatusMessage("KaiijuMC/Kaiiju", "ver/" + getMinecraftVersion(), parts[0]); // Folia // Kaiiju
+         final Component history = getHistory();
+ 
+         return history != null ? TextComponent.ofChildren(updateMessage, Component.newline(), history) : updateMessage;
+@@ -45,7 +47,7 @@ public class PaperVersionFetcher implements VersionFetcher {
+                 String result = matcher.group();
+                 mcVer = result.substring(0, result.length() - 2); // strip 'R' anchor and trailing '-'
+             } else {
+-                org.bukkit.Bukkit.getLogger().warning("Unable to match version to pattern! Report to PaperMC!");
++                org.bukkit.Bukkit.getLogger().warning("Unable to match version to pattern! Report to KaiijuMC!"); // Kaiiju
+                 org.bukkit.Bukkit.getLogger().warning("Pattern: " + VER_PATTERN.toString());
+                 org.bukkit.Bukkit.getLogger().warning("Version: " + org.bukkit.Bukkit.getBukkitVersion());
+             }
+@@ -56,6 +58,7 @@ public class PaperVersionFetcher implements VersionFetcher {
+ 
+     private static Component getUpdateStatusMessage(@Nonnull String repo, @Nonnull String branch, @Nonnull String versionInfo) {
+         int distance;
++        /* // Kaiiju - disable jenkins/api checking
+         try {
+             int jenkinsBuild = Integer.parseInt(versionInfo);
+             distance = fetchDistanceFromSiteApi(jenkinsBuild, getMinecraftVersion());
+@@ -63,6 +66,11 @@ public class PaperVersionFetcher implements VersionFetcher {
+             versionInfo = versionInfo.replace("\"", "");
+             distance = fetchDistanceFromGitHub(repo, branch, versionInfo);
+         }
++        // Kaiiju start - disable jenkins/api checking
++        */
++        versionInfo = versionInfo.replace("\"", "");
++        distance = fetchDistanceFromGitHub(repo, branch, versionInfo);
++        // Kaiiju end
+ 
+         switch (distance) {
+             case -1:
+diff --git a/src/main/java/com/destroystokyo/paper/console/PaperConsole.java b/src/main/java/com/destroystokyo/paper/console/PaperConsole.java
+index c5d5648f4ca603ef2b1df723b58f9caf4dd3c722..1c7b5d91e914efbcfb50c6137c7760787e38ad94 100644
+--- a/src/main/java/com/destroystokyo/paper/console/PaperConsole.java
++++ b/src/main/java/com/destroystokyo/paper/console/PaperConsole.java
+@@ -17,7 +17,7 @@ public final class PaperConsole extends SimpleTerminalConsole {
+     @Override
+     protected LineReader buildReader(LineReaderBuilder builder) {
+         builder
+-                .appName("Paper")
++                .appName("Kaiiju") // Kaiiju
+                 .variable(LineReader.HISTORY_FILE, java.nio.file.Paths.get(".console_history"))
+                 .completer(new ConsoleCommandCompleter(this.server))
+                 .option(LineReader.Option.COMPLETE_IN_WORD, true);
+diff --git a/src/main/java/net/minecraft/CrashReport.java b/src/main/java/net/minecraft/CrashReport.java
+index abe37c7c3c6f5ab73afd738ec78f06d7e4d2ed96..52fc6bb99f6024273c7438d01314b576da66bd1a 100644
+--- a/src/main/java/net/minecraft/CrashReport.java
++++ b/src/main/java/net/minecraft/CrashReport.java
+@@ -125,7 +125,7 @@ public class CrashReport {
+         stringbuilder.append("---- Minecraft Crash Report ----\n");
+         stringbuilder.append("// ");
+         stringbuilder.append(CrashReport.getErrorComment());
+-        stringbuilder.append("\n\n");
++        stringbuilder.append("// DO NOT REPORT THIS TO PAPER/FOLIA! REPORT TO KAIIJU INSTEAD!"); // Kaiiju
+         stringbuilder.append("Time: ");
+         stringbuilder.append(CrashReport.DATE_TIME_FORMATTER.format(ZonedDateTime.now()));
+         stringbuilder.append("\n");
+diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
+index 75eb95c330d6ab7ac1e4a69da13695bbd40f894e..a6f1068884669cfedfe8df40506b011b8b411489 100644
+--- a/src/main/java/net/minecraft/server/MinecraftServer.java
++++ b/src/main/java/net/minecraft/server/MinecraftServer.java
+@@ -994,7 +994,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
+         shutdownThread = Thread.currentThread();
+         org.spigotmc.WatchdogThread.doStop(); // Paper
+         if (false && !isSameThread()) { // Folia - region threading
+-            MinecraftServer.LOGGER.info("Stopping main thread (Ignore any thread death message you see! - DO NOT REPORT THREAD DEATH TO PAPER)");
++            MinecraftServer.LOGGER.info("Stopping main thread (Ignore any thread death message you see! - DO NOT REPORT THREAD DEATH TO KAIIJU)"); // Kaiiju
+             while (this.getRunningThread().isAlive()) {
+                 this.getRunningThread().stop();
+                 try {
+@@ -1811,7 +1811,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
+ 
+     @DontObfuscate
+     public String getServerModName() {
+-        return "Folia"; // Folia - Folia > // Paper - Paper > // Spigot - Spigot > // CraftBukkit - cb > vanilla!
++        return "Kaiiju"; // Kaiiju - Kaiiju > // Folia - Folia > // Paper - Paper > // Spigot - Spigot > // CraftBukkit - cb > vanilla!
+     }
+ 
+     public SystemReport fillSystemReport(SystemReport details) {
+diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+index a8bf1f542ab20eb7c40c80b5e42b55982677373d..a96f743e479a05d3240884a3c0e871caec573bbe 100644
+--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
++++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+@@ -265,7 +265,7 @@ import javax.annotation.Nullable; // Paper
+ import javax.annotation.Nonnull; // Paper
+ 
+ public final class CraftServer implements Server {
+-    private final String serverName = "Folia"; // Folia // Paper
++    private final String serverName = "Kaiiju"; // Kaiiju // Folia // Paper
+     private final String serverVersion;
+     private final String bukkitVersion = Versioning.getBukkitVersion();
+     private final Logger logger = Logger.getLogger("Minecraft");
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
+index d2ab898c0f3902f5f0f9847232dac244b4095854..7c918d99c8629da0ef4242f0b6a1778a0fd696b6 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java
+@@ -920,7 +920,7 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
+             return EntityCategory.WATER;
+         }
+ 
+-        throw new UnsupportedOperationException("Unsupported monster type: " + type + ". This is a bug, report this to Spigot.");
++        throw new UnsupportedOperationException("Unsupported monster type: " + type + ". This is a bug, report this to Kaiiju."); // Kaiiju
+     }
+ 
+     @Override
+diff --git a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
+index eb84a8dd97f92de4a7dd3826d9e124a442cba565..e24d653fafcd88e01786b77539c506bcf3751c2c 100644
+--- a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
++++ b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
+@@ -501,7 +501,7 @@ public class CraftScheduler implements BukkitScheduler {
+                 this.parsePending();
+             } else {
+                 // this.debugTail = this.debugTail.setNext(new CraftAsyncDebugger(currentTick + CraftScheduler.RECENT_TICKS, task.getOwner(), task.getTaskClass())); // Paper
+-                task.getOwner().getLogger().log(Level.SEVERE, "Unexpected Async Task in the Sync Scheduler. Report this to Paper"); // Paper
++                task.getOwner().getLogger().log(Level.SEVERE, "Unexpected Async Task in the Sync Scheduler. Report this to Kaiiju"); // Paper // Kaiiju
+                 // We don't need to parse pending
+                 // (async tasks must live with race-conditions if they attempt to cancel between these few lines of code)
+             }
+diff --git a/src/main/java/org/bukkit/craftbukkit/util/Versioning.java b/src/main/java/org/bukkit/craftbukkit/util/Versioning.java
+index e9b6ca3aa25e140467ae866d572483050ea3fa0e..5df2b0fceebaaa863f4f143c8f29e808b7f0c49b 100644
+--- a/src/main/java/org/bukkit/craftbukkit/util/Versioning.java
++++ b/src/main/java/org/bukkit/craftbukkit/util/Versioning.java
+@@ -11,7 +11,7 @@ public final class Versioning {
+     public static String getBukkitVersion() {
+         String result = "Unknown-Version";
+ 
+-        InputStream stream = Bukkit.class.getClassLoader().getResourceAsStream("META-INF/maven/dev.folia/folia-api/pom.properties"); // Folia
++        InputStream stream = Bukkit.class.getClassLoader().getResourceAsStream("META-INF/maven/dev.kaiijumc.kaiiju/kaiiju-api/pom.properties"); // Folia // Kaiiju
+         Properties properties = new Properties();
+ 
+         if (stream != null) {
+diff --git a/src/main/java/org/spigotmc/WatchdogThread.java b/src/main/java/org/spigotmc/WatchdogThread.java
+index 98fba0288be9ed2cb18ffba5cf81148157dd4fcf..9c1477cfa1a8074c4b3b8a365bb03c44eaa62972 100644
+--- a/src/main/java/org/spigotmc/WatchdogThread.java
++++ b/src/main/java/org/spigotmc/WatchdogThread.java
+@@ -155,14 +155,14 @@ public final class WatchdogThread extends io.papermc.paper.util.TickThread // Pa
+                 if (isLongTimeout) {
+                 // Paper end
+                 log.log( Level.SEVERE, "------------------------------" );
+-                log.log( Level.SEVERE, "The server has stopped responding! This is (probably) not a Paper bug." ); // Paper
++                log.log( Level.SEVERE, "The server has stopped responding! This is (probably) not a Kaiiju bug." ); // Paper // Kaiiju
+                 log.log( Level.SEVERE, "If you see a plugin in the Server thread dump below, then please report it to that author" );
+                 log.log( Level.SEVERE, "\t *Especially* if it looks like HTTP or MySQL operations are occurring" );
+                 log.log( Level.SEVERE, "If you see a world save or edit, then it means you did far more than your server can handle at once" );
+                 log.log( Level.SEVERE, "\t If this is the case, consider increasing timeout-time in spigot.yml but note that this will replace the crash with LARGE lag spikes" );
+-                log.log( Level.SEVERE, "If you are unsure or still think this is a Paper bug, please report this to https://github.com/PaperMC/Paper/issues" );
++                log.log( Level.SEVERE, "If you are unsure or still think this is a Kaiiju bug, please report this to https://github.com/KaiijuMC/Kaiiju/issues" ); // Kaiiju
+                 log.log( Level.SEVERE, "Be sure to include ALL relevant console errors and Minecraft crash reports" );
+-                log.log( Level.SEVERE, "Paper version: " + Bukkit.getServer().getVersion() );
++                log.log( Level.SEVERE, "Kaiiju version: " + Bukkit.getServer().getVersion() ); // Kaiiju
+                 //
+                 if ( net.minecraft.world.level.Level.lastPhysicsProblem != null )
+                 {
+@@ -185,12 +185,12 @@ public final class WatchdogThread extends io.papermc.paper.util.TickThread // Pa
+                 // Paper end
+                 } else
+                 {
+-                    log.log(Level.SEVERE, "--- DO NOT REPORT THIS TO PAPER - THIS IS NOT A BUG OR A CRASH  - " + Bukkit.getServer().getVersion() + " ---");
++                    log.log(Level.SEVERE, "--- DO NOT REPORT THIS TO KAIIJU - THIS IS NOT A BUG OR A CRASH  - " + Bukkit.getServer().getVersion() + " ---"); // Kaiiju
+                     log.log(Level.SEVERE, "The server has not responded for " + (currentTime - lastTick) / 1000 + " seconds! Creating thread dump");
+                 }
+                 // Paper end - Different message for short timeout
+                 log.log( Level.SEVERE, "------------------------------" );
+-                log.log( Level.SEVERE, "Server thread dump (Look for plugins here before reporting to Paper!):" ); // Paper
++                log.log( Level.SEVERE, "Server thread dump (Look for plugins here before reporting to Kaiiju!):" ); // Paper // Kaiiju
+                 io.papermc.paper.chunk.system.scheduling.ChunkTaskScheduler.dumpAllChunkLoadInfo(isLongTimeout); // Paper // Paper - rewrite chunk system
+                 this.dumpTickingInfo(); // Paper - log detailed tick information
+                 WatchdogThread.dumpThread( ManagementFactory.getThreadMXBean().getThreadInfo( MinecraftServer.getServer().serverThread.getId(), Integer.MAX_VALUE ), log );
+@@ -206,7 +206,7 @@ public final class WatchdogThread extends io.papermc.paper.util.TickThread // Pa
+                     WatchdogThread.dumpThread( thread, log );
+                 }
+                 } else {
+-                    log.log(Level.SEVERE, "--- DO NOT REPORT THIS TO PAPER - THIS IS NOT A BUG OR A CRASH ---");
++                    log.log(Level.SEVERE, "--- DO NOT REPORT THIS TO KAIIJU - THIS IS NOT A BUG OR A CRASH ---"); // Kaiiju
+                 }
+ 
+                 log.log( Level.SEVERE, "------------------------------" );

patches/server/0002-Empty-configuration.patch

@@ -1,7 +1,7 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
 Date: Fri, 10 Feb 2023 05:53:10 +0200
-Subject: [PATCH] Kaiiju Configuration
+Subject: [PATCH] Empty configuration
 
 
 diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
@@ -207,7 +207,7 @@ index 0000000000000000000000000000000000000000..7da7e0aeb5eac9ac73a3570e716f1ceb
 +}
 diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..dd4c3ca77acb3aeefc69b8eb948b8b202ff87a19
+index 0000000000000000000000000000000000000000..87ca934473f3b9553c1b9b3ed60e0fa07838c711
 --- /dev/null
 +++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
 @@ -0,0 +1,125 @@
@@ -336,13 +336,12 @@ index 0000000000000000000000000000000000000000..dd4c3ca77acb3aeefc69b8eb948b8b20
 +        return value.isEmpty() ? fallback : value;
 +    }
 +}
-\ No newline at end of file
 diff --git a/src/main/java/dev/kaiijumc/kaiiju/command/KaiijuCommand.java b/src/main/java/dev/kaiijumc/kaiiju/command/KaiijuCommand.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..0dde8879856f8882f2840b4b8bfb5aa0b3f06b91
+index 0000000000000000000000000000000000000000..6fac162e0ec057af9f3336314d5663554cef0490
 --- /dev/null
 +++ b/src/main/java/dev/kaiijumc/kaiiju/command/KaiijuCommand.java
-@@ -0,0 +1,68 @@
+@@ -0,0 +1,66 @@
 +package dev.kaiijumc.kaiiju.command;
 +
 +import dev.kaiijumc.kaiiju.KaiijuConfig;
@@ -381,26 +380,24 @@ index 0000000000000000000000000000000000000000..0dde8879856f8882f2840b4b8bfb5aa0
 +    @Override
 +    public boolean execute(CommandSender sender, String commandLabel, String[] args) {
 +        if (!testPermission(sender)) return true;
-+        String prefix = ChatColor.of(Color.decode("#F25DF6")) + "Kaiiju » " + ChatColor.RESET;
 +
 +        if (args.length != 1) {
-+            sender.sendMessage(prefix + ChatColor.RED + "Usage: " + usageMessage);
++            sender.sendMessage(ChatColor.RED + "Usage: " + usageMessage);
 +            return false;
 +        }
 +
 +        if (args[0].equalsIgnoreCase("reload")) {
-+            Command.broadcastCommandMessage(sender, prefix + ChatColor.RED + "Please note that this command is not supported and may cause issues.");
-+            Command.broadcastCommandMessage(sender, prefix + ChatColor.RED + "If you encounter any issues please use the /stop command to restart your server.");
++            Command.broadcastCommandMessage(sender, ChatColor.RED + "Please note that this command is not supported and may cause issues.");
++            Command.broadcastCommandMessage(sender, ChatColor.RED + "If you encounter any issues please use the /stop command to restart your server.");
 +
 +            MinecraftServer console = MinecraftServer.getServer();
 +            KaiijuConfig.reload((File) console.options.valueOf("kaiiju-settings"));
 +            for (ServerLevel level : console.getAllLevels()) {
 +                level.kaiijuConfig.reload();
-+                level.resetBreedingCooldowns();
 +            }
 +            console.server.reloadCount++;
 +
-+            Command.broadcastCommandMessage(sender, prefix + ChatColor.GREEN + "Kaiiju config reload complete.");
++            Command.broadcastCommandMessage(sender, ChatColor.GREEN + "Kaiiju config reload complete.");
 +        } else if (args[0].equalsIgnoreCase("version")) {
 +            Command verCmd = org.bukkit.Bukkit.getServer().getCommandMap().getCommand("version");
 +            if (verCmd != null) {
@@ -413,13 +410,13 @@ index 0000000000000000000000000000000000000000..0dde8879856f8882f2840b4b8bfb5aa0
 +}
 \ No newline at end of file
 diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
-index fd1b0564d2d2b45128e6f2556fb93ee56bd683b5..948ae5f96b1d54e69b49f6314d11078f197c946e 100644
+index c5dfd99a38a79fd19a2bf85fa297a28e40612b51..99b3db382a164fbe3afddb08f5317d463ceda765 100644
 --- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
 +++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
-@@ -227,6 +227,15 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
-         }
-         org.purpurmc.purpur.PurpurConfig.registerCommands();
-         // Purpur end
+@@ -218,6 +218,15 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
+         thread.start(); // Paper - start console thread after MinecraftServer.console & PaperConfig are initialized
+         io.papermc.paper.command.PaperCommands.registerCommands(this);
+         com.destroystokyo.paper.Metrics.PaperMetrics.startMetrics();
 +        // Kaiiju start
 +        try {
 +            dev.kaiijumc.kaiiju.KaiijuConfig.init((java.io.File) options.valueOf("kaiiju-settings"));
@@ -433,56 +430,57 @@ index fd1b0564d2d2b45128e6f2556fb93ee56bd683b5..948ae5f96b1d54e69b49f6314d11078f
          io.papermc.paper.brigadier.PaperBrigadierProviderImpl.INSTANCE.getClass(); // init PaperBrigadierProvider
          // Paper end
 diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
-index fef709fce7309795b6d62d33a220a2be2399efd3..213665dc92e572d7efc6e28d3ceaa74c733bc291 100644
+index 916df0c8d263f90e04564c5f512fd5ed5eaaa6d5..5ffe01a20e929554b4bde0b6d453472261686f54 100644
 --- a/src/main/java/net/minecraft/world/level/Level.java
 +++ b/src/main/java/net/minecraft/world/level/Level.java
-@@ -174,6 +174,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
+@@ -166,6 +166,8 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
+     // Paper end
  
      public final com.destroystokyo.paper.antixray.ChunkPacketBlockController chunkPacketBlockController; // Paper - Anti-Xray
-     public final org.purpurmc.purpur.PurpurWorldConfig purpurConfig; // Purpur
 +    public final dev.kaiijumc.kaiiju.KaiijuWorldConfig kaiijuConfig; // Kaiiju
- 
++
      public final co.aikar.timings.WorldTimingsHandler timings; // Paper
      public static BlockPos lastPhysicsProblem; // Spigot
-@@ -330,6 +331,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
+     private org.spigotmc.TickLimiter entityLimiter;
+@@ -293,6 +295,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
+     protected Level(WritableLevelData worlddatamutable, ResourceKey<Level> resourcekey, RegistryAccess iregistrycustom, Holder<DimensionType> holder, Supplier<ProfilerFiller> supplier, boolean flag, boolean flag1, long i, int j, org.bukkit.generator.ChunkGenerator gen, org.bukkit.generator.BiomeProvider biomeProvider, org.bukkit.World.Environment env, java.util.function.Function<org.spigotmc.SpigotWorldConfig, io.papermc.paper.configuration.WorldConfiguration> paperWorldConfigCreator, java.util.concurrent.Executor executor) { // Paper - Async-Anti-Xray - Pass executor
          this.spigotConfig = new org.spigotmc.SpigotWorldConfig(((net.minecraft.world.level.storage.PrimaryLevelData) worlddatamutable).getLevelName()); // Spigot
          this.paperConfig = paperWorldConfigCreator.apply(this.spigotConfig); // Paper
-         this.purpurConfig = new org.purpurmc.purpur.PurpurWorldConfig(((net.minecraft.world.level.storage.PrimaryLevelData) worlddatamutable).getLevelName(), env); // Purpur
 +        this.kaiijuConfig = new dev.kaiijumc.kaiiju.KaiijuWorldConfig(((net.minecraft.world.level.storage.PrimaryLevelData) worlddatamutable).getLevelName(), env); // Kaiiju
-         this.playerBreedingCooldowns = this.getNewBreedingCooldownCache(); // Purpur
          this.generator = gen;
          this.world = new CraftWorld((ServerLevel) this, gen, biomeProvider, env);
+ 
 diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
-index e9cc9ff401233f50279bbc622050fd0894968ae1..a52ff5f8f883ba21f036b7d6830f7470567fe2b6 100644
+index a96f743e479a05d3240884a3c0e871caec573bbe..3167ef56973578bdeeee96d545b81d41629fe994 100644
 --- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
 +++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
-@@ -976,6 +976,7 @@ public final class CraftServer implements Server {
+@@ -1098,6 +1098,7 @@ public final class CraftServer implements Server {
+ 
          org.spigotmc.SpigotConfig.init((File) console.options.valueOf("spigot-settings")); // Spigot
          this.console.paperConfigurations.reloadConfigs(this.console);
-         org.purpurmc.purpur.PurpurConfig.init((File) console.options.valueOf("purpur-settings")); // Purpur
 +        dev.kaiijumc.kaiiju.KaiijuConfig.init((File) console.options.valueOf("kaiiju-settings")); // Kaiiju
          for (ServerLevel world : this.console.getAllLevels()) {
              // world.serverLevelData.setDifficulty(config.difficulty); // Paper - per level difficulty
              world.setSpawnSettings(world.serverLevelData.getDifficulty() != Difficulty.PEACEFUL && config.spawnMonsters, config.spawnAnimals); // Paper - per level difficulty (from MinecraftServer#setDifficulty(ServerLevel, Difficulty, boolean))
-@@ -992,6 +993,7 @@ public final class CraftServer implements Server {
+@@ -1113,6 +1114,7 @@ public final class CraftServer implements Server {
+                 }
              }
              world.spigotConfig.init(); // Spigot
-             world.purpurConfig.init(); // Purpur
 +            world.kaiijuConfig.init(); // Kaiiju
          }
  
          Plugin[] pluginClone = pluginManager.getPlugins().clone(); // Paper
-@@ -1008,6 +1010,7 @@ public final class CraftServer implements Server {
+@@ -1128,6 +1130,7 @@ public final class CraftServer implements Server {
+         this.reloadData();
          org.spigotmc.SpigotConfig.registerCommands(); // Spigot
          io.papermc.paper.command.PaperCommands.registerCommands(this.console); // Paper
-         org.purpurmc.purpur.PurpurConfig.registerCommands(); // Purpur
 +        dev.kaiijumc.kaiiju.KaiijuConfig.registerCommands(); // Kaiiju
          this.overrideAllCommandBlockCommands = this.commandsConfiguration.getStringList("command-block-overrides").contains("*");
          this.ignoreVanillaPermissions = this.commandsConfiguration.getBoolean("ignore-vanilla-permissions");
  
-@@ -2830,6 +2833,13 @@ public final class CraftServer implements Server {
+@@ -2975,6 +2978,13 @@ public final class CraftServer implements Server {
+             return CraftServer.this.console.paperConfigurations.createLegacyObject(CraftServer.this.console);
          }
-         // Purpur end
  
 +        // Kaiiju start
 +        @Override
@@ -495,12 +493,12 @@ index e9cc9ff401233f50279bbc622050fd0894968ae1..a52ff5f8f883ba21f036b7d6830f7470
          public void restart() {
              org.spigotmc.RestartCommand.restart();
 diff --git a/src/main/java/org/bukkit/craftbukkit/Main.java b/src/main/java/org/bukkit/craftbukkit/Main.java
-index 576cd8e20982bb20d10213b6c7a229428eec1c2f..190b4bc55d8b1e9983f7b77fd3545a59fa39e6f8 100644
+index 776b7fc26fe96b69be260bbd36efae147d988640..a090c16d53fcb220687a18aa37ca82663f4660c7 100644
 --- a/src/main/java/org/bukkit/craftbukkit/Main.java
 +++ b/src/main/java/org/bukkit/craftbukkit/Main.java
-@@ -180,6 +180,14 @@ public class Main {
-                         .describedAs("Yml file");
-                 // Purpur end
+@@ -173,6 +173,14 @@ public class Main {
+                         .describedAs("Jar file");
+                 // Paper end
  
 +                // Purpur Start
 +                acceptsAll(asList("kaiiju", "kaiiju-settings"), "File for kaiiju settings")

patches/server/0003-Region-format-configuration.patch

@@ -1,29 +1,30 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
 Date: Fri, 10 Feb 2023 20:03:58 +0200
-Subject: [PATCH] Kaiiju RegionFormat Configuration
+Subject: [PATCH] Region format configuration
 
 
 diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
-index 7da7e0aeb5eac9ac73a3570e716f1ceb11fd7027..b86c90cc3601e666998cfa12f44515f605bb53eb 100644
+index 7da7e0aeb5eac9ac73a3570e716f1ceb11fd7027..f08bcc9ae1770fa847d8a5e873a554bef5485100 100644
 --- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
 +++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
-@@ -192,4 +192,10 @@ public class KaiijuConfig {
+@@ -192,4 +192,7 @@ public class KaiijuConfig {
          }
          return builder.build();
      }
 +
-+    public static boolean regionFormatDebug = false;
-+
 +    private static void regionFormatSettings() {
-+        regionFormatDebug = getBoolean("region-format.debug", regionFormatDebug);
 +    }
  }
 diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
-index dd4c3ca77acb3aeefc69b8eb948b8b202ff87a19..b194f4dbebcbbf5bb4e026a0169e2d24806b46ec 100644
+index 87ca934473f3b9553c1b9b3ed60e0fa07838c711..a6e7af5f4148e067660e9f5beeacde3a59a1de9c 100644
 --- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
 +++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
-@@ -4,9 +4,11 @@ import org.apache.commons.lang.BooleanUtils;
+@@ -1,12 +1,15 @@
+ package dev.kaiijumc.kaiiju;
+ 
++import dev.kaiijumc.kaiiju.region.RegionFileFormat;
+ import org.apache.commons.lang.BooleanUtils;
  import org.bukkit.World;
  import org.bukkit.configuration.ConfigurationSection;
  
@@ -35,21 +36,20 @@ index dd4c3ca77acb3aeefc69b8eb948b8b202ff87a19..b194f4dbebcbbf5bb4e026a0169e2d24
  
  import static dev.kaiijumc.kaiiju.KaiijuConfig.log;
  
-@@ -122,4 +124,23 @@ public class KaiijuWorldConfig {
+@@ -122,4 +125,22 @@ public class KaiijuWorldConfig {
          final Map<String, Object> value = getMap("world-settings." + worldName + "." + path, null);
          return value.isEmpty() ? fallback : value;
      }
 +
-+    public List<String> regionFormatList = Arrays.asList("ANVIL", "LINEAR");
-+    public String regionFormatName = "ANVIL";
++    public RegionFileFormat regionFormatName = RegionFileFormat.ANVIL;
 +    public int regionFormatLinearCompressionLevel = 1;
 +
 +    private void regionFormatSettings() {
-+        regionFormatName = getString("region-format.format", regionFormatName).toUpperCase();
-+        if (!regionFormatList.contains(regionFormatName)) {
++        regionFormatName = RegionFileFormat.fromString(getString("region-format.format", regionFormatName.name()));
++        if (regionFormatName.equals(RegionFileFormat.INVALID)) {
 +            log(Level.SEVERE, "Unknown region format in kaiiju.yml: " + regionFormatName);
 +            log(Level.SEVERE, "Falling back to ANVIL region file format.");
-+            regionFormatName = "ANVIL";
++            regionFormatName = RegionFileFormat.ANVIL;
 +        }
 +        regionFormatLinearCompressionLevel = getInt("region-format.linear.compression-level", regionFormatLinearCompressionLevel);
 +        if (regionFormatLinearCompressionLevel > 23 || regionFormatLinearCompressionLevel < 1) {
@@ -59,12 +59,33 @@ index dd4c3ca77acb3aeefc69b8eb948b8b202ff87a19..b194f4dbebcbbf5bb4e026a0169e2d24
 +        }
 +    }
  }
-\ No newline at end of file
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/region/RegionFileFormat.java b/src/main/java/dev/kaiijumc/kaiiju/region/RegionFileFormat.java
+new file mode 100644
+index 0000000000000000000000000000000000000000..7164d9cd03186f0657783f83de3d6435cda2b17e
+--- /dev/null
++++ b/src/main/java/dev/kaiijumc/kaiiju/region/RegionFileFormat.java
+@@ -0,0 +1,16 @@
++package dev.kaiijumc.kaiiju.region;
++
++public enum RegionFileFormat {
++    ANVIL,
++    LINEAR,
++    INVALID;
++
++    public static RegionFileFormat fromString(String format) {
++        for (RegionFileFormat rff : values()) {
++            if (rff.name().equalsIgnoreCase(format)) {
++                return rff;
++            }
++        }
++        return RegionFileFormat.INVALID;
++    }
++}
 diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
-index c1b88ae704b3d2b8ebbad28c0291a4ad12e6d5d9..ae4dd7db4e4e32fe8100309d770307fccf31110d 100644
+index a6f1068884669cfedfe8df40506b011b8b411489..7243443d4bf24ad0b32b8a76d9b8701cca8612a7 100644
 --- a/src/main/java/net/minecraft/server/MinecraftServer.java
 +++ b/src/main/java/net/minecraft/server/MinecraftServer.java
-@@ -855,7 +855,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
+@@ -892,7 +892,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
              // Paper start - rewrite chunk system
              worldserver.save((ProgressListener) null, flush, worldserver.noSave && !force, close);
              if (flush) {
@@ -73,7 +94,7 @@ index c1b88ae704b3d2b8ebbad28c0291a4ad12e6d5d9..ae4dd7db4e4e32fe8100309d770307fc
              }
              // Paper end - rewrite chunk system
          }
-@@ -879,7 +879,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
+@@ -916,7 +916,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
                  //MinecraftServer.LOGGER.info("ThreadedAnvilChunkStorage ({}): All chunks are saved", worldserver2.getChunkSource().chunkMap.getStorageName()); // Paper - move up
              }
  

patches/server/0005-Kaiiju-Lobotomize-Configuration.patch

@@ -1,19 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
-Date: Sat, 11 Feb 2023 02:10:20 +0200
-Subject: [PATCH] Kaiiju Lobotomize Configuration
-
-
-diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
-index b194f4dbebcbbf5bb4e026a0169e2d24806b46ec..907fdfb368c87bfe7b4374bb0b5f49d5ff095339 100644
---- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
-+++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
-@@ -143,4 +143,7 @@ public class KaiijuWorldConfig {
-             regionFormatLinearCompressionLevel = 1;
-         }
-     }
-+
-+    private void lobotomizeSettings() {
-+    }
- }
-\ No newline at end of file

patches/server/0005-Network-configuration.patch

@@ -1,16 +1,16 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
 Date: Thu, 16 Feb 2023 01:38:59 +0200
-Subject: [PATCH] Kaiiju Network Configuration
+Subject: [PATCH] Network configuration
 
 
 diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
-index b86c90cc3601e666998cfa12f44515f605bb53eb..7c6d43d8a360530344ef296f4477750c8a298607 100644
+index b7f43cce80742aa0cd523e930772ff84946f3eef..fa829cef4033625470dfae29ddf777e6c5ab8c55 100644
 --- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
 +++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
-@@ -198,4 +198,7 @@ public class KaiijuConfig {
-     private static void regionFormatSettings() {
-         regionFormatDebug = getBoolean("region-format.debug", regionFormatDebug);
+@@ -203,4 +203,7 @@ public class KaiijuConfig {
+         else
+             linearFlushThreads = Math.max(linearFlushThreads, 1);
      }
 +
 +    private static void networkSettings() {

patches/server/0006-Kaiiju-Lobotomize-Animal.patch

@@ -1,358 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
-Date: Sat, 11 Feb 2023 06:29:15 +0200
-Subject: [PATCH] Kaiiju Lobotomize Animal
-
-Inspired by "Lobotomized animals" by @KioProject123
-Checks might be a nuisance to performance.
-
-diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
-index 907fdfb368c87bfe7b4374bb0b5f49d5ff095339..b99b438b92587f23c77c5321d5d23e76dc5450de 100644
---- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
-+++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
-@@ -144,6 +144,17 @@ public class KaiijuWorldConfig {
-         }
-     }
- 
-+    public boolean lobotomizeAnimalEnabled = false;
-+    public int lobotomizeAnimalCheckInterval = 100;
-+    public boolean lobotomizeAnimalCheckCanJump = true;
-+    public boolean lobotomizeAnimalLookAtPlayer = false;
-+    public boolean lobotomizeAnimalFloat = true;
-+
-     private void lobotomizeSettings() {
-+        lobotomizeAnimalEnabled = getBoolean("lobotomize.animal.enabled", lobotomizeAnimalEnabled);
-+        lobotomizeAnimalCheckInterval = getInt("lobotomize.animal.check-interval", lobotomizeAnimalCheckInterval);
-+        lobotomizeAnimalCheckCanJump = getBoolean("lobotomize.animal.check-can-jump", lobotomizeAnimalCheckCanJump);
-+        lobotomizeAnimalLookAtPlayer = getBoolean("lobotomize.animal.look-at-player", lobotomizeAnimalLookAtPlayer);
-+        lobotomizeAnimalFloat = getBoolean("lobotomize.animal.float", lobotomizeAnimalFloat);
-     }
- }
-\ No newline at end of file
-diff --git a/src/main/java/dev/kaiijumc/kaiiju/entity/Lobotomized.java b/src/main/java/dev/kaiijumc/kaiiju/entity/Lobotomized.java
-new file mode 100644
-index 0000000000000000000000000000000000000000..805df3e27cfbbdf3525c96942afca12d50abc350
---- /dev/null
-+++ b/src/main/java/dev/kaiijumc/kaiiju/entity/Lobotomized.java
-@@ -0,0 +1,73 @@
-+package dev.kaiijumc.kaiiju.entity;
-+
-+import net.minecraft.core.BlockPos;
-+import net.minecraft.world.entity.LivingEntity;
-+import net.minecraft.world.level.Level;
-+import net.minecraft.world.level.block.state.BlockState;
-+import net.minecraft.world.level.pathfinder.PathComputationType;
-+
-+public class Lobotomized {
-+    private boolean isLobotomized = false;
-+    private int notLobotomizedCount = 0;
-+
-+    public boolean isLobotomized() {
-+        return this.isLobotomized;
-+    }
-+
-+    public void setLobotomized(boolean b) {
-+        this.isLobotomized = b;
-+    }
-+
-+    public boolean checkLobotomized(LivingEntity entity) {
-+        Level level = entity.getLevel();
-+        int interval = level.kaiijuConfig.lobotomizeAnimalCheckInterval;
-+        if (this.notLobotomizedCount > 3) {
-+            // check half as often if not lobotomized for the last 3+ consecutive checks
-+            interval *= 2;
-+        }
-+        if ((entity.getId() + entity.tickCount) % interval == 0) {
-+            this.isLobotomized = entity.isOnGround() && !canTravelFrom(entity, level, entity.getBbHeight() <= 1.0F);
-+
-+            if (this.isLobotomized) {
-+                this.notLobotomizedCount = 0;
-+            } else {
-+                this.notLobotomizedCount++;
-+            }
-+        }
-+        return this.isLobotomized;
-+    }
-+
-+    private boolean canTravelFrom(LivingEntity entity, Level level, boolean ignoreTop) {
-+        BlockPos pos = new BlockPos(entity.getX(), entity.getY() + 0.5D, entity.getZ());
-+        return canTravelTo(entity, pos.east(), level, ignoreTop)
-+            || canTravelTo(entity, pos.west(), level, ignoreTop)
-+            || canTravelTo(entity, pos.north(), level, ignoreTop)
-+            || canTravelTo(entity, pos.south(), level, ignoreTop);
-+    }
-+
-+    private boolean canTravelTo(LivingEntity entity, BlockPos pos, Level level, boolean ignoreTop) {
-+        BlockState top;
-+        // Check if mob can jump over block
-+        if (level.kaiijuConfig.lobotomizeAnimalCheckCanJump && canJump(entity, level, ignoreTop)) {
-+            top = level.getBlockStateIfLoaded(pos.above());
-+            if (top == null) return false;
-+            if (top.isPathfindable(level, pos, net.minecraft.world.level.pathfinder.PathComputationType.LAND)) {
-+                if (ignoreTop) return true;
-+                net.minecraft.world.level.block.state.BlockState above = level.getBlockState(pos.above(2));
-+                if (above.isPathfindable(level, pos, net.minecraft.world.level.pathfinder.PathComputationType.LAND)) return true;
-+            }
-+        }
-+        BlockState bottom = level.getBlockStateIfLoaded(pos);
-+        if (bottom == null) return false; // Chunk not loaded
-+        if (!bottom.isPathfindable(level, pos, PathComputationType.LAND)) return false;
-+        if (ignoreTop) return true;
-+        top = level.getBlockState(pos.above());
-+        return top.isPathfindable(level, pos, PathComputationType.LAND);
-+    }
-+
-+    private boolean canJump(LivingEntity entity, Level level, boolean ignoreTop) {
-+        BlockPos pos = new BlockPos(entity.getX(), entity.getY() + 2.5D, entity.getZ());
-+        net.minecraft.world.level.block.Block above = level.getBlockIfLoaded(pos);
-+        return !above.hasCollision;
-+    }
-+}
-diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
-index b2e4b5c463ceb19356da18e7fc52d20801b674cd..32ea0b1542ef374db3290e01978d7965715b9de6 100644
---- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
-+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
-@@ -308,6 +308,8 @@ public abstract class LivingEntity extends Entity {
-         this.brain = this.makeBrain(new Dynamic(dynamicopsnbt, (Tag) dynamicopsnbt.createMap((Map) ImmutableMap.of(dynamicopsnbt.createString("memories"), (Tag) dynamicopsnbt.emptyMap()))));
-     }
- 
-+    public boolean isLobotomized() { return false; } // Kaiiju
-+
-     protected void initAttributes() {}// Purpur
- 
-     public Brain<?> getBrain() {
-diff --git a/src/main/java/net/minecraft/world/entity/ai/goal/FloatGoal.java b/src/main/java/net/minecraft/world/entity/ai/goal/FloatGoal.java
-index 7093c62be53fe99ed9880fc8ddaa07440fe4f715..2acbb26af2c24b2f4c569d55e8ba44a068fd9d86 100644
---- a/src/main/java/net/minecraft/world/entity/ai/goal/FloatGoal.java
-+++ b/src/main/java/net/minecraft/world/entity/ai/goal/FloatGoal.java
-@@ -16,6 +16,7 @@ public class FloatGoal extends Goal {
- 
-     @Override
-     public boolean canUse() {
-+        if (!this.mob.getLevel().kaiijuConfig.lobotomizeAnimalFloat && this.mob.isLobotomized()) return false; // Kaiiju
-         return this.mob.isInWater() && this.mob.getFluidHeight(FluidTags.WATER) > this.mob.getFluidJumpThreshold() || this.mob.isInLava();
-     }
- 
-diff --git a/src/main/java/net/minecraft/world/entity/ai/goal/FollowParentGoal.java b/src/main/java/net/minecraft/world/entity/ai/goal/FollowParentGoal.java
-index a668d5263586f955a5656ac66bcc7fe8cc51fe00..c195e60a7773f106775cded4f1c3ed51a69ca2f5 100644
---- a/src/main/java/net/minecraft/world/entity/ai/goal/FollowParentGoal.java
-+++ b/src/main/java/net/minecraft/world/entity/ai/goal/FollowParentGoal.java
-@@ -21,6 +21,7 @@ public class FollowParentGoal extends Goal {
- 
-     @Override
-     public boolean canUse() {
-+        if (this.animal.isLobotomized()) return false; // Kaiiju
-         if (this.animal.getAge() >= 0) {
-             return false;
-         } else {
-@@ -51,6 +52,7 @@ public class FollowParentGoal extends Goal {
- 
-     @Override
-     public boolean canContinueToUse() {
-+        if (this.animal.isLobotomized()) return false; // Kaiiju
-         if (this.animal.getAge() >= 0) {
-             return false;
-         } else if (!this.parent.isAlive()) {
-diff --git a/src/main/java/net/minecraft/world/entity/ai/goal/LookAtPlayerGoal.java b/src/main/java/net/minecraft/world/entity/ai/goal/LookAtPlayerGoal.java
-index 8b189d7587303263efa1790066e5a83edd45f9d7..1304fc96834e4ce7156076fd893993a0aa75cbbc 100644
---- a/src/main/java/net/minecraft/world/entity/ai/goal/LookAtPlayerGoal.java
-+++ b/src/main/java/net/minecraft/world/entity/ai/goal/LookAtPlayerGoal.java
-@@ -48,6 +48,7 @@ public class LookAtPlayerGoal extends Goal {
- 
-     @Override
-     public boolean canUse() {
-+        if (!mob.getLevel().kaiijuConfig.lobotomizeAnimalLookAtPlayer && this.mob.isLobotomized()) return false; // Kaiiju
-         if (this.mob.getRandom().nextFloat() >= this.probability) {
-             return false;
-         } else {
-diff --git a/src/main/java/net/minecraft/world/entity/ai/goal/PanicGoal.java b/src/main/java/net/minecraft/world/entity/ai/goal/PanicGoal.java
-index 268b7457c2a93af6d36c1c5f623c5856f94a7af1..f1469e424f7bdf4e5813f250c0eae673db0b9049 100644
---- a/src/main/java/net/minecraft/world/entity/ai/goal/PanicGoal.java
-+++ b/src/main/java/net/minecraft/world/entity/ai/goal/PanicGoal.java
-@@ -29,6 +29,7 @@ public class PanicGoal extends Goal {
- 
-     @Override
-     public boolean canUse() {
-+        if (this.mob.isLobotomized()) return false; // Kaiiju
-         if (!this.shouldPanic()) {
-             return false;
-         } else {
-@@ -81,6 +82,7 @@ public class PanicGoal extends Goal {
- 
-     @Override
-     public boolean canContinueToUse() {
-+        if (this.mob.isLobotomized()) return false; // Kaiiju
-         // CraftBukkit start - introduce a temporary timeout hack until this is fixed properly
-         if ((this.mob.tickCount - this.mob.lastHurtByMobTimestamp) > 100) {
-             this.mob.setLastHurtByMob((LivingEntity) null);
-diff --git a/src/main/java/net/minecraft/world/entity/ai/goal/RandomStrollGoal.java b/src/main/java/net/minecraft/world/entity/ai/goal/RandomStrollGoal.java
-index 216929c838446c3c14d9b9906ffa625ef35fcbc8..3ea2e7c44018ec63b8f17fd3e5e3a23e2b1f72e4 100644
---- a/src/main/java/net/minecraft/world/entity/ai/goal/RandomStrollGoal.java
-+++ b/src/main/java/net/minecraft/world/entity/ai/goal/RandomStrollGoal.java
-@@ -35,6 +35,7 @@ public class RandomStrollGoal extends Goal {
- 
-     @Override
-     public boolean canUse() {
-+        if (this.mob.isLobotomized()) return false; // Kaiiju
-         if (this.mob.isVehicle()) {
-             return false;
-         } else {
-@@ -68,6 +69,7 @@ public class RandomStrollGoal extends Goal {
- 
-     @Override
-     public boolean canContinueToUse() {
-+        if (this.mob.isLobotomized()) return false; // Kaiiju
-         return !this.mob.getNavigation().isDone() && !this.mob.isVehicle();
-     }
- 
-diff --git a/src/main/java/net/minecraft/world/entity/ai/goal/TemptGoal.java b/src/main/java/net/minecraft/world/entity/ai/goal/TemptGoal.java
-index 2cbc9adc8e417def48be03d08174a5833068ec65..3234d5bf3b9ae01dbe8e26a0a3f21ff875fe6769 100644
---- a/src/main/java/net/minecraft/world/entity/ai/goal/TemptGoal.java
-+++ b/src/main/java/net/minecraft/world/entity/ai/goal/TemptGoal.java
-@@ -43,6 +43,7 @@ public class TemptGoal extends Goal {
- 
-     @Override
-     public boolean canUse() {
-+        if (this.mob.isLobotomized()) return false; // Kaiiju
-         if (this.calmDown > 0) {
-             --this.calmDown;
-             return false;
-@@ -67,6 +68,7 @@ public class TemptGoal extends Goal {
- 
-     @Override
-     public boolean canContinueToUse() {
-+        if (this.mob.isLobotomized()) return false; // Kaiiju
-         if (this.canScare()) {
-             if (this.mob.distanceToSqr((Entity) this.player) < 36.0D) {
-                 if (this.player.distanceToSqr(this.px, this.py, this.pz) > 0.010000000000000002D) {
-diff --git a/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
-index 2f2d9bb31194618ef5bba39cd1cbe7c4919e82c5..0d8f1f063b76357374022e4496ce0646757b150e 100644
---- a/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
-+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
-@@ -197,6 +197,7 @@ public abstract class PathNavigation {
-     // Paper end
- 
-     public boolean moveTo(Entity entity, double speed) {
-+        if (this.mob.isLobotomized()) return false; // Kaiiju
-         // Paper start - Pathfinding optimizations
-         if (this.pathfindFailures > 10 && this.path == null && net.minecraft.server.MinecraftServer.currentTick < this.lastFailure + 40) {
-             return false;
-@@ -217,6 +218,7 @@ public abstract class PathNavigation {
-     }
- 
-     public boolean moveTo(@Nullable Path path, double speed) {
-+        if (this.mob.isLobotomized()) return false; // Kaiiju
-         if (path == null) {
-             this.path = null;
-             return false;
-diff --git a/src/main/java/net/minecraft/world/entity/animal/Animal.java b/src/main/java/net/minecraft/world/entity/animal/Animal.java
-index 2ac88f06ebb79e515cd9934ac1e3e2c8003d9e3c..d89c0db4c4173d8558dc4f8b15ddb5815ef7c09e 100644
---- a/src/main/java/net/minecraft/world/entity/animal/Animal.java
-+++ b/src/main/java/net/minecraft/world/entity/animal/Animal.java
-@@ -13,7 +13,6 @@ import net.minecraft.tags.BlockTags;
- import net.minecraft.util.RandomSource;
- import net.minecraft.world.InteractionHand;
- import net.minecraft.world.InteractionResult;
--import net.minecraft.world.damagesource.DamageSource;
- import net.minecraft.world.entity.AgeableMob;
- import net.minecraft.world.entity.EntityType;
- import net.minecraft.world.entity.ExperienceOrb;
-@@ -39,6 +38,7 @@ public abstract class Animal extends AgeableMob {
-     @Nullable
-     public UUID loveCause;
-     public ItemStack breedItem; // CraftBukkit - Add breedItem variable
-+    protected dev.kaiijumc.kaiiju.entity.Lobotomized lobotomized = new dev.kaiijumc.kaiiju.entity.Lobotomized(); // Kaiiju
-     public abstract int getPurpurBreedTime(); // Purpur
- 
-     protected Animal(EntityType<? extends Animal> type, Level world) {
-@@ -74,8 +74,32 @@ public abstract class Animal extends AgeableMob {
-             }
-         }
- 
-+        this.lobotomized.checkLobotomized(this); // Kaiiju
-     }
- 
-+    // Kaiiju start
-+    @Override
-+    public void travel(net.minecraft.world.phys.Vec3 vec3) {
-+        if (!this.isLobotomized() || net.minecraft.server.MinecraftServer.currentTick % 100 == 0) {
-+            super.travel(vec3);
-+        }
-+    }
-+
-+    @Override
-+    public boolean isCollidable(boolean ignoreClimbing) {
-+        if (!this.isLobotomized() || net.minecraft.server.MinecraftServer.currentTick % 20 == 0) {
-+            return super.isCollidable(ignoreClimbing);
-+        }
-+        return false;
-+    }
-+
-+    @Override
-+    public boolean isLobotomized() {
-+        if (!this.level.kaiijuConfig.lobotomizeAnimalEnabled) return false;
-+        return this.lobotomized.isLobotomized();
-+    }
-+    // Kaiiju end
-+
-     /* CraftBukkit start
-     // Function disabled as it has no special function anymore after
-     // setSitting is disabled.
-@@ -102,6 +126,7 @@ public abstract class Animal extends AgeableMob {
-         if (this.loveCause != null) {
-             nbt.putUUID("LoveCause", this.loveCause);
-         }
-+        nbt.putBoolean("Kaiiju.Lobotomized", this.lobotomized.isLobotomized()); // Kaiiju
- 
-     }
- 
-@@ -115,6 +140,13 @@ public abstract class Animal extends AgeableMob {
-         super.readAdditionalSaveData(nbt);
-         this.inLove = nbt.getInt("InLove");
-         this.loveCause = nbt.hasUUID("LoveCause") ? nbt.getUUID("LoveCause") : null;
-+        // Kaiiju start
-+        boolean isLobotomized = nbt.getBoolean("Kaiiju.Lobotomized");
-+        this.lobotomized.setLobotomized(isLobotomized);
-+        if (isLobotomized) {
-+            this.onGround = true;
-+        }
-+        // Kaiiju end
-     }
- 
-     public static boolean checkAnimalSpawnRules(EntityType<? extends Animal> type, LevelAccessor world, MobSpawnType spawnReason, BlockPos pos, RandomSource random) {
-diff --git a/src/main/java/net/minecraft/world/entity/animal/Bee.java b/src/main/java/net/minecraft/world/entity/animal/Bee.java
-index 87bd7991a81a2e30ecfccb60e614d7f13acd3744..1c2db953155498606f1e052580e7aa9ca846a53c 100644
---- a/src/main/java/net/minecraft/world/entity/animal/Bee.java
-+++ b/src/main/java/net/minecraft/world/entity/animal/Bee.java
-@@ -1047,6 +1047,7 @@ public class Bee extends Animal implements NeutralMob, FlyingAnimal {
- 
-         @Override
-         public boolean canBeeUse() {
-+            if (Bee.this.isLobotomized()) return false; // Kaiiju
-             return Bee.this.remainingCooldownBeforeLocatingNewHive == 0 && !Bee.this.hasHive() && Bee.this.wantsToEnterHive();
-         }
- 
-@@ -1113,6 +1114,7 @@ public class Bee extends Animal implements NeutralMob, FlyingAnimal {
- 
-         @Override
-         public boolean canBeeUse() {
-+            if (Bee.this.isLobotomized()) return false; // Kaiiju
-             return Bee.this.hivePos != null && !Bee.this.hasRestriction() && Bee.this.wantsToEnterHive() && !this.hasReachedTarget(Bee.this.hivePos) && Bee.this.level.getBlockState(Bee.this.hivePos).is(BlockTags.BEEHIVES);
-         }
- 
-@@ -1229,6 +1231,7 @@ public class Bee extends Animal implements NeutralMob, FlyingAnimal {
- 
-         @Override
-         public boolean canBeeUse() {
-+            if (Bee.this.isLobotomized()) return false; // Kaiiju
-             return Bee.this.savedFlowerPos != null && !Bee.this.hasRestriction() && this.wantsToGoToKnownFlower() && Bee.this.isFlowerValid(Bee.this.savedFlowerPos) && !Bee.this.closerThan(Bee.this.savedFlowerPos, 2);
-         }
- 
-@@ -1281,6 +1284,7 @@ public class Bee extends Animal implements NeutralMob, FlyingAnimal {
- 
-         @Override
-         public boolean canBeeUse() {
-+            if (Bee.this.isLobotomized()) return false; // Kaiiju
-             return Bee.this.getCropsGrownSincePollination() >= 10 ? false : (Bee.this.random.nextFloat() < 0.3F ? false : Bee.this.hasNectar() && Bee.this.isHiveValid());
-         }
- 

patches/server/0006-Send-null-entity-packets.patch

@@ -1,16 +1,17 @@
 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
 From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
 Date: Thu, 16 Feb 2023 01:49:54 +0200
-Subject: [PATCH] Purpur Network Send Null Entity Packets
+Subject: [PATCH] Send null entity packets
 
+This is from Purpur. Don't send null entity packets.
 
 diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
-index 7c6d43d8a360530344ef296f4477750c8a298607..ab08e11f13921163b8ff1ff51ff9e9b86d2b47c7 100644
+index fa829cef4033625470dfae29ddf777e6c5ab8c55..47e23a196ae5e44600a64184b69141c00235baca 100644
 --- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
 +++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
-@@ -198,7 +198,10 @@ public class KaiijuConfig {
-     private static void regionFormatSettings() {
-         regionFormatDebug = getBoolean("region-format.debug", regionFormatDebug);
+@@ -203,7 +203,10 @@ public class KaiijuConfig {
+         else
+             linearFlushThreads = Math.max(linearFlushThreads, 1);
      }
 +    
 +    public static boolean sendNullEntityPackets = true;
@@ -20,12 +21,12 @@ index 7c6d43d8a360530344ef296f4477750c8a298607..ab08e11f13921163b8ff1ff51ff9e9b8
      }
  }
 diff --git a/src/main/java/net/minecraft/server/level/ServerEntity.java b/src/main/java/net/minecraft/server/level/ServerEntity.java
-index 0f9a3a6c05fee59c29764f0c0d7a6cb8a2a861b1..9d0a52bf600583ecbf80c2233a01ff43e609266f 100644
+index 81d0b2933040a451441f660f9e46199ae3b111e3..cdbc4be679d7e096c1005eaf84b74c4877479c43 100644
 --- a/src/main/java/net/minecraft/server/level/ServerEntity.java
 +++ b/src/main/java/net/minecraft/server/level/ServerEntity.java
-@@ -186,6 +186,11 @@ public class ServerEntity {
-                         this.teleportDelay = 0;
-                         packet1 = new ClientboundTeleportEntityPacket(this.entity);
+@@ -201,6 +201,11 @@ public class ServerEntity {
+                         flag4 = true;
+                         flag5 = true;
                      }
 +                    // Kaiiju start - Don't send null move entity packets
 +                    if (!dev.kaiijumc.kaiiju.KaiijuConfig.sendNullEntityPackets && isNullMovePacket(packet1)) {
@@ -35,8 +36,8 @@ index 0f9a3a6c05fee59c29764f0c0d7a6cb8a2a861b1..9d0a52bf600583ecbf80c2233a01ff43
                  }
  
                  if ((this.trackDelta || this.entity.hasImpulse || this.entity instanceof LivingEntity && ((LivingEntity) this.entity).isFallFlying()) && this.tickCount > 0) {
-@@ -252,6 +257,20 @@ public class ServerEntity {
- 
+@@ -273,6 +278,20 @@ public class ServerEntity {
+         });
      }
  
 +    // Kaiiju start - Don't send null move entity packets
@@ -52,7 +53,7 @@ index 0f9a3a6c05fee59c29764f0c0d7a6cb8a2a861b1..9d0a52bf600583ecbf80c2233a01ff43
 +        return false;
 +    }
 +    // Kaiiju end
-+    
++
      public void removePairing(ServerPlayer player) {
          this.entity.stopSeenByPlayer(player);
          player.connection.send(new ClientboundRemoveEntitiesPacket(new int[]{this.entity.getId()}));

patches/server/0007-Alternate-Keepalive.patch

@@ -0,0 +1,73 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Fri, 31 Mar 2023 01:52:44 +0300
+Subject: [PATCH] Alternate Keepalive
+
+Don't kick players because 1 keepalive is lost.
+This patch is from Purpur.
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+index 47e23a196ae5e44600a64184b69141c00235baca..95b53b50606ea0ad47f407bebbb9e2bd445c0e66 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+@@ -205,8 +205,10 @@ public class KaiijuConfig {
+     }
+     
+     public static boolean sendNullEntityPackets = true;
++    public static boolean alternateKeepAlive = false;
+ 
+     private static void networkSettings() {
+         sendNullEntityPackets = getBoolean("network.send-null-entity-packets", sendNullEntityPackets);
++        alternateKeepAlive = getBoolean("network.alternate-keepalive", alternateKeepAlive);
+     }
+ }
+diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+index 678bba9d636a0eb34270a2d26b5b3d0d6d900115..564b2e668d50f05863080288d20bd54077588db9 100644
+--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
++++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+@@ -265,6 +265,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
+     private long keepAliveTime = Util.getMillis();
+     private boolean keepAlivePending;
+     private long keepAliveChallenge;
++    private it.unimi.dsi.fastutil.longs.LongList keepAlives = new it.unimi.dsi.fastutil.longs.LongArrayList(); // Kaiiju
+     // CraftBukkit start - multithreaded fields
+     private final AtomicInteger chatSpamTickCount = new AtomicInteger();
+     private final java.util.concurrent.atomic.AtomicInteger tabSpamLimiter = new java.util.concurrent.atomic.AtomicInteger(); // Paper - configurable tab spam limits
+@@ -357,6 +358,20 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
+         long currentTime = Util.getMillis();
+         long elapsedTime = currentTime - this.keepAliveTime;
+ 
++        // Kaiiju start
++        if (dev.kaiijumc.kaiiju.KaiijuConfig.alternateKeepAlive) {
++            if (elapsedTime >= 1000L) { // 1 second
++                if (!processedDisconnect && keepAlives.size() * 1000L >= KEEPALIVE_LIMIT) {
++                    LOGGER.warn("{} was kicked due to keepalive timeout!", this.player.getScoreboardName());
++                    disconnect(Component.translatable("disconnect.timeout"), org.bukkit.event.player.PlayerKickEvent.Cause.TIMEOUT);
++                } else {
++                    keepAliveTime = currentTime; // hijack this field for 1 second intervals
++                    keepAlives.add(currentTime); // currentTime is ID
++                    send(new ClientboundKeepAlivePacket(currentTime));
++                }
++            }
++        } else
++        // Kaiiju end
+         if (this.keepAlivePending) {
+             if (!this.processedDisconnect && elapsedTime >= KEEPALIVE_LIMIT) { // check keepalive limit, don't fire if already disconnected
+                 ServerGamePacketListenerImpl.LOGGER.warn("{} was kicked due to keepalive timeout!", this.player.getScoreboardName()); // more info
+@@ -3610,6 +3625,16 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
+ 
+     @Override
+     public void handleKeepAlive(ServerboundKeepAlivePacket packet) {
++        // Kaiiju start
++        if (dev.kaiijumc.kaiiju.KaiijuConfig.alternateKeepAlive) {
++            long id = packet.getId();
++            if (keepAlives.size() > 0 && keepAlives.contains(id)) {
++                int ping = (int) (Util.getMillis() - id);
++                player.latency = (player.latency * 3 + ping) / 4;
++                keepAlives.clear(); // we got a valid response, lets roll with it and forget the rest
++            }
++        } else
++        // Kaiiju end
+         //PacketUtils.ensureRunningOnSameThread(packet, this, this.player.serverLevel()); // CraftBukkit // Paper - This shouldn't be on the main thread
+         if (this.keepAlivePending && packet.getId() == this.keepAliveChallenge) {
+             int i = (int) (Util.getMillis() - this.keepAliveTime);

patches/server/0007-Kaiiju-Lobotomize-Villager.patch

@@ -1,176 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: kugge <sofiane.djerbi38@gmail.com>
-Date: Mon, 13 Feb 2023 00:53:40 +0100
-Subject: [PATCH] Kaiiju Lobotomize Villager
-
-
-diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
-index b99b438b92587f23c77c5321d5d23e76dc5450de..104f19cced8fb3b692e3a4772360d9eba3bdd6f2 100644
---- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
-+++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
-@@ -149,6 +149,13 @@ public class KaiijuWorldConfig {
-     public boolean lobotomizeAnimalCheckCanJump = true;
-     public boolean lobotomizeAnimalLookAtPlayer = false;
-     public boolean lobotomizeAnimalFloat = true;
-+    public boolean lobotomizeVillagerEnabled = false;
-+    public int lobotomizeVillagerCheckInterval = 100;
-+    public boolean lobotomizeVillagerDoRaids = true;
-+    public boolean lobotomizeVillagerCheckCanJump = true;
-+    public boolean lobotomizeVillagerCheckOnBed = true;
-+    public boolean lobotomizeVillagerCheckJobSite = true;
-+    public boolean lobotomizeVillagerCheckBedNearby = true;
- 
-     private void lobotomizeSettings() {
-         lobotomizeAnimalEnabled = getBoolean("lobotomize.animal.enabled", lobotomizeAnimalEnabled);
-@@ -156,5 +163,12 @@ public class KaiijuWorldConfig {
-         lobotomizeAnimalCheckCanJump = getBoolean("lobotomize.animal.check-can-jump", lobotomizeAnimalCheckCanJump);
-         lobotomizeAnimalLookAtPlayer = getBoolean("lobotomize.animal.look-at-player", lobotomizeAnimalLookAtPlayer);
-         lobotomizeAnimalFloat = getBoolean("lobotomize.animal.float", lobotomizeAnimalFloat);
-+        lobotomizeVillagerEnabled = getBoolean("lobotomize.villager.enabled", lobotomizeVillagerEnabled);
-+        lobotomizeVillagerDoRaids = getBoolean("lobotomize.villager.do-raids", lobotomizeVillagerDoRaids);
-+        lobotomizeVillagerCheckInterval = getInt("lobotomize.villager.check-interval", lobotomizeVillagerCheckInterval);
-+        lobotomizeVillagerCheckCanJump = getBoolean("lobotomize.villager.check-can-jump", lobotomizeVillagerCheckCanJump);
-+        lobotomizeVillagerCheckOnBed = getBoolean("lobotomize.villager.check-on-bed", lobotomizeVillagerCheckOnBed);
-+        lobotomizeVillagerCheckJobSite = getBoolean("lobotomize.villager.check-job-site", lobotomizeVillagerCheckJobSite);
-+        lobotomizeVillagerCheckBedNearby = getBoolean("lobotomize.villager.check-bed-nearby", lobotomizeVillagerCheckBedNearby);
-     }
- }
-\ No newline at end of file
-diff --git a/src/main/java/net/minecraft/world/entity/npc/Villager.java b/src/main/java/net/minecraft/world/entity/npc/Villager.java
-index aed1d9ccffe471b6c2a1d52d2d3d097f6431318b..f1a66bda9949eff5f8e420d28d23f47aec3d4587 100644
---- a/src/main/java/net/minecraft/world/entity/npc/Villager.java
-+++ b/src/main/java/net/minecraft/world/entity/npc/Villager.java
-@@ -200,14 +200,14 @@ public class Villager extends AbstractVillager implements ReputationEventHandler
-     }
- 
-     private boolean checkLobotomized() {
--        int interval = this.level.purpurConfig.villagerLobotomizeCheckInterval;
-+        int interval = this.level.kaiijuConfig.lobotomizeVillagerCheckInterval; // Kaiiju
-         if (this.notLobotomizedCount > 3) {
-             // check half as often if not lobotomized for the last 3+ consecutive checks
-             interval *= 2;
-         }
--        if (this.level.getGameTime() % interval == 0) {
-+        if ((this.getId() + this.tickCount) % interval == 0) { // Kaiiju - Avoid check lags
-             // offset Y for short blocks like dirt_path/farmland
--            this.isLobotomized = !canTravelFrom(new BlockPos(getX(), getY() + 0.0625D, getZ()));
-+            this.isLobotomized = needLobotomy(); // Kaiiju - Override
- 
-             if (this.isLobotomized) {
-                 this.notLobotomizedCount = 0;
-@@ -219,9 +219,80 @@ public class Villager extends AbstractVillager implements ReputationEventHandler
-     }
- 
-     private boolean canTravelFrom(BlockPos pos) {
--        return canTravelTo(pos.east()) || canTravelTo(pos.west()) || canTravelTo(pos.north()) || canTravelTo(pos.south());
-+        return canInteractAt(pos.east()) || canInteractAt(pos.west()) || canInteractAt(pos.north()) || canInteractAt(pos.south()); // Kaiiju
-     }
- 
-+    // Kaiiju start - Customize canTravelTo checks
-+    private boolean needLobotomy() {
-+        if (this.isSleeping()) return false;
-+        if (this.level.kaiijuConfig.lobotomizeVillagerCheckOnBed && isOnBed()) return false;
-+        return !canTravelFrom(new BlockPos(getX(), getY() + 0.5D, getZ()));
-+    }
-+
-+    private boolean canInteractAt(BlockPos pos) {
-+        net.minecraft.world.level.block.state.BlockState top = null;
-+        // Check if mob can jump over block
-+        if (this.level.kaiijuConfig.lobotomizeVillagerCheckCanJump && this.canJump()) {
-+            top = this.level.getBlockStateIfLoaded(pos.above());
-+            if (top == null) return false;
-+            if (top.isPathfindable(level, pos, net.minecraft.world.level.pathfinder.PathComputationType.LAND)) {
-+                net.minecraft.world.level.block.state.BlockState above = this.level.getBlockState(pos.above(2));
-+                if (above.isPathfindable(level, pos, net.minecraft.world.level.pathfinder.PathComputationType.LAND)) return true;
-+            }
-+        }
-+        // Otherwise, check if mob can interact with bottom block
-+        net.minecraft.world.level.block.state.BlockState bottom = this.level.getBlockStateIfLoaded(pos);
-+        if (bottom == null) return false;
-+        net.minecraft.world.level.block.Block bottomBlock = bottom.getBlock();
-+        if (isTallBlock(bottomBlock)) return false;
-+        if (this.level.kaiijuConfig.lobotomizeVillagerCheckBedNearby && isBed(bottomBlock)) return true;
-+        if (this.level.kaiijuConfig.lobotomizeVillagerCheckJobSite && isInteractiveJobSite(bottomBlock, this.getVillagerData().getProfession())) return true;
-+        // If he can't interact, check if he can travel
-+        if (!bottom.isPathfindable(level, pos, net.minecraft.world.level.pathfinder.PathComputationType.LAND)) return false;
-+        if (top == null) top = this.level.getBlockState(pos.above());
-+        return top.isPathfindable(level, pos, net.minecraft.world.level.pathfinder.PathComputationType.LAND);
-+    }
-+
-+    private boolean canJump() {
-+        BlockPos pos = new BlockPos(getX(), getY() + 2.5D, getZ());
-+        net.minecraft.world.level.block.Block above = this.level.getBlockIfLoaded(pos);
-+        return !above.hasCollision;
-+    }
-+
-+    private boolean isOnBed() {
-+        BlockPos pos = new BlockPos(getX(), getY() - 0.5D, getZ());
-+        net.minecraft.world.level.block.Block below = this.level.getBlockIfLoaded(pos);
-+        return isBed(below);
-+    }
-+
-+    private static  boolean isBed(net.minecraft.world.level.block.Block block) {
-+        return block instanceof net.minecraft.world.level.block.BedBlock;
-+    }
-+
-+    private boolean isInteractiveJobSite(net.minecraft.world.level.block.Block block, VillagerProfession profession) {
-+        if (this.lastTradedPlayer == null) return false;
-+        return (block instanceof net.minecraft.world.level.block.BlastFurnaceBlock && profession != VillagerProfession.ARMORER) ||
-+               (block instanceof net.minecraft.world.level.block.SmokerBlock && profession != VillagerProfession.BUTCHER) ||
-+               (block instanceof net.minecraft.world.level.block.CartographyTableBlock && profession != VillagerProfession.CARTOGRAPHER) ||
-+               (block instanceof net.minecraft.world.level.block.BrewingStandBlock && profession != VillagerProfession.CLERIC) ||
-+               (block instanceof net.minecraft.world.level.block.ComposterBlock && profession != VillagerProfession.FARMER) ||
-+               (block instanceof net.minecraft.world.level.block.BarrelBlock && profession != VillagerProfession.FISHERMAN) ||
-+               (block instanceof net.minecraft.world.level.block.FletchingTableBlock && profession != VillagerProfession.FLETCHER) ||
-+               (block instanceof net.minecraft.world.level.block.CauldronBlock && profession != VillagerProfession.LEATHERWORKER) ||
-+               (block instanceof net.minecraft.world.level.block.LecternBlock && profession != VillagerProfession.LIBRARIAN) ||
-+               (block instanceof net.minecraft.world.level.block.StonecutterBlock && profession != VillagerProfession.MASON) ||
-+               (block instanceof net.minecraft.world.level.block.LoomBlock && profession != VillagerProfession.SHEPHERD) ||
-+               (block instanceof net.minecraft.world.level.block.SmithingTableBlock && profession != VillagerProfession.TOOLSMITH) ||
-+               (block instanceof net.minecraft.world.level.block.GrindstoneBlock && profession != VillagerProfession.WEAPONSMITH);
-+    }
-+
-+    private static boolean isTallBlock(net.minecraft.world.level.block.Block block) {
-+        return block instanceof net.minecraft.world.level.block.FenceBlock ||
-+               block instanceof net.minecraft.world.level.block.FenceGateBlock ||
-+               block instanceof net.minecraft.world.level.block.WallBlock;
-+    }
-+    // Kaiiju end
-+
-     private boolean canTravelTo(BlockPos pos) {
-         net.minecraft.world.level.block.state.BlockState state = this.level.getBlockStateIfLoaded(pos);
-         if (state == null) {
-@@ -337,7 +408,7 @@ public class Villager extends AbstractVillager implements ReputationEventHandler
-     protected void mobTick(boolean inactive) {
-         //this.level.getProfiler().push("villagerBrain"); // Purpur
-         // Purpur start
--        if (this.level.purpurConfig.villagerLobotomizeEnabled) {
-+        if (this.level.kaiijuConfig.lobotomizeVillagerEnabled) { // Kaiiju - Override
-             // treat as inactive if lobotomized
-             inactive = inactive || checkLobotomized();
-         } else {
-@@ -380,7 +451,7 @@ public class Villager extends AbstractVillager implements ReputationEventHandler
-             this.lastTradedPlayer = null;
-         }
- 
--        if (!inactive && !this.isNoAi() && this.random.nextInt(100) == 0) { // Paper
-+        if ((!inactive || (this.level.kaiijuConfig.lobotomizeVillagerDoRaids && this.isLobotomized)) && !this.isNoAi() && this.random.nextInt(100) == 0) { // Paper // Kaiiju
-             Raid raid = ((ServerLevel) this.level).getRaidAt(this.blockPosition());
- 
-             if (raid != null && raid.isActive() && !raid.isOver()) {
-@@ -647,6 +718,7 @@ public class Villager extends AbstractVillager implements ReputationEventHandler
-         if (this.assignProfessionWhenSpawned) {
-             nbt.putBoolean("AssignProfessionWhenSpawned", true);
-         }
-+        nbt.putBoolean("Kaiiju.Lobotomized", this.isLobotomized()); // Kaiiju
- 
-     }
- 
-@@ -687,6 +759,7 @@ public class Villager extends AbstractVillager implements ReputationEventHandler
-         if (nbt.contains("AssignProfessionWhenSpawned")) {
-             this.assignProfessionWhenSpawned = nbt.getBoolean("AssignProfessionWhenSpawned");
-         }
-+        this.isLobotomized = nbt.getBoolean("Kaiiju.Lobotomized"); // Kaiiju
- 
-     }
- 

patches/server/0008-Optimization-Configuration.patch

@@ -0,0 +1,30 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: kugge <sofiane.djerbi38@gmail.com>
+Date: Wed, 21 Jun 2023 17:26:24 +0200
+Subject: [PATCH] Optimization Configuration
+
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+index 95b53b50606ea0ad47f407bebbb9e2bd445c0e66..8aab072a21b0775338b8235a84f5f675f385cf37 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+@@ -211,4 +211,7 @@ public class KaiijuConfig {
+         sendNullEntityPackets = getBoolean("network.send-null-entity-packets", sendNullEntityPackets);
+         alternateKeepAlive = getBoolean("network.alternate-keepalive", alternateKeepAlive);
+     }
++
++    private static void optimizationSettings() {
++    }
+ }
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+index a6e7af5f4148e067660e9f5beeacde3a59a1de9c..6bd14857e0b0ef233f17f1a6e3e0fb313d59f641 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+@@ -143,4 +143,7 @@ public class KaiijuWorldConfig {
+             regionFormatLinearCompressionLevel = 1;
+         }
+     }
++
++    private void optimizationSettings() {
++    }
+ }

patches/server/0009-Gameplay-Configuration.patch

@@ -0,0 +1,30 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Sat, 8 Apr 2023 23:32:34 +0300
+Subject: [PATCH] Gameplay Configuration
+
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+index 8aab072a21b0775338b8235a84f5f675f385cf37..46ae5b84ee5b87b0ed0b93e920689e44288a50d2 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+@@ -214,4 +214,7 @@ public class KaiijuConfig {
+ 
+     private static void optimizationSettings() {
+     }
++
++    private static void gameplaySettings() {
++    }
+ }
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+index 6bd14857e0b0ef233f17f1a6e3e0fb313d59f641..05f9c01131e78927d88f1170c3eda4adf25ac8ba 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+@@ -146,4 +146,7 @@ public class KaiijuWorldConfig {
+ 
+     private void optimizationSettings() {
+     }
++
++    private void gameplaySettings() {
++    }
+ }

patches/server/0010-Kaiiju-Lithium-Configuration.patch

@@ -1,20 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
-Date: Thu, 16 Feb 2023 21:28:49 +0200
-Subject: [PATCH] Kaiiju Lithium Configuration
-
-
-diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
-index 6f16786e6107b9e9b52cdbd052c633e757fe351f..913f2f26b1d022e8a812af7caa5dfca5fa548782 100644
---- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
-+++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
-@@ -204,4 +204,9 @@ public class KaiijuConfig {
-     private static void networkSettings() {
-         sendNullEntityPackets = getBoolean("network.send-null-entity-packets", sendNullEntityPackets);
-     }
-+
-+    public static boolean lithiumEnable = true;
-+    private static void lithiumSettings() {
-+        lithiumEnable = getBoolean("lithium.enable", lithiumEnable);
-+    }
- }

patches/server/0010-Shulker-drop-contents-when-destroyed.patch

@@ -0,0 +1,36 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Xymb <xymb@endcrystal.me>
+Date: Sat, 8 Apr 2023 23:38:13 +0300
+Subject: [PATCH] Shulker drop contents when destroyed
+
+Don't drop shulker contents when shulker items are destroyed (by cactus,
+lava..)
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+index 05f9c01131e78927d88f1170c3eda4adf25ac8ba..55dcbb48450b24f80e0a04bedeb54f64e94ebb9e 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+@@ -144,7 +144,10 @@ public class KaiijuWorldConfig {
+         }
+     }
+ 
++    public boolean shulkerBoxDropContentsWhenDestroyed = true;
++
+     private void optimizationSettings() {
++        shulkerBoxDropContentsWhenDestroyed = getBoolean("optimization.shulker-box-drop-contents-when-destroyed", shulkerBoxDropContentsWhenDestroyed);
+     }
+ 
+     private void gameplaySettings() {
+diff --git a/src/main/java/net/minecraft/world/item/BlockItem.java b/src/main/java/net/minecraft/world/item/BlockItem.java
+index ebee8de2ed831755b6fd154f6cc77ac993839bb9..ce5faefe3b67087509833800f0472f14131f2011 100644
+--- a/src/main/java/net/minecraft/world/item/BlockItem.java
++++ b/src/main/java/net/minecraft/world/item/BlockItem.java
+@@ -288,7 +288,7 @@ public class BlockItem extends Item {
+ 
+     @Override
+     public void onDestroyed(ItemEntity entity) {
+-        if (this.block instanceof ShulkerBoxBlock) {
++        if (this.block instanceof ShulkerBoxBlock && entity.level().kaiijuConfig.shulkerBoxDropContentsWhenDestroyed) { // Kaiiju
+             ItemStack itemstack = entity.getItem();
+             CompoundTag nbttagcompound = BlockItem.getBlockEntityData(itemstack);
+ 

patches/server/0011-Lithium-Math-FastUtil.patch

@@ -1,125 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
-Date: Thu, 16 Feb 2023 21:34:37 +0200
-Subject: [PATCH] Lithium Math FastUtil
-
-Author: JellySquid
-Licence: LGPL-3.0
-
-diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
-index 913f2f26b1d022e8a812af7caa5dfca5fa548782..95742b2ec27156071867a9467669b350f3ad4280 100644
---- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
-+++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
-@@ -206,7 +206,9 @@ public class KaiijuConfig {
-     }
- 
-     public static boolean lithiumEnable = true;
-+    public static boolean lithiumMathFastUtil = true;
-     private static void lithiumSettings() {
-         lithiumEnable = getBoolean("lithium.enable", lithiumEnable);
-+        lithiumMathFastUtil = getBoolean("lithium.math.fast-util", lithiumMathFastUtil) && lithiumEnable;
-     }
- }
-diff --git a/src/main/java/net/minecraft/core/AxisCycle.java b/src/main/java/net/minecraft/core/AxisCycle.java
-index b5d8a60dc78a76c0a55bfc30cc49d26857bd914a..dd8d98acf21bb676e86f9befb45fd09e1b14a01d 100644
---- a/src/main/java/net/minecraft/core/AxisCycle.java
-+++ b/src/main/java/net/minecraft/core/AxisCycle.java
-@@ -35,6 +35,18 @@ public enum AxisCycle {
- 
-         @Override
-         public Direction.Axis cycle(Direction.Axis axis) {
-+            // Kaiiju start - Lithium
-+            if (dev.kaiijumc.kaiiju.KaiijuConfig.lithiumMathFastUtil){
-+                switch (axis.ordinal()) {
-+                    case 0: //X
-+                       return Direction.Axis.Y;
-+                    case 1: //Y
-+                        return Direction.Axis.Z;
-+                    case 2: //Z
-+                        return Direction.Axis.X;
-+                }
-+            }
-+            // Kaiiju end
-             return AXIS_VALUES[Math.floorMod(axis.ordinal() + 1, 3)];
-         }
- 
-@@ -56,6 +68,18 @@ public enum AxisCycle {
- 
-         @Override
-         public Direction.Axis cycle(Direction.Axis axis) {
-+            // Kaiiju start - Lithium
-+            if (dev.kaiijumc.kaiiju.KaiijuConfig.lithiumMathFastUtil){
-+                switch (axis.ordinal()) {
-+                    case 0: //X
-+                       return Direction.Axis.Z;
-+                    case 1: //Y
-+                        return Direction.Axis.X;
-+                    case 2: //Z
-+                        return Direction.Axis.Y;
-+                }
-+            }
-+            // Kaiiju end
-             return AXIS_VALUES[Math.floorMod(axis.ordinal() - 1, 3)];
-         }
- 
-diff --git a/src/main/java/net/minecraft/core/Direction.java b/src/main/java/net/minecraft/core/Direction.java
-index a4dc96b1a3bf309584657e3a1e7dfaea967f9425..09c1989dc3b12d9488b8869e71f2a4890656cc36 100644
---- a/src/main/java/net/minecraft/core/Direction.java
-+++ b/src/main/java/net/minecraft/core/Direction.java
-@@ -191,6 +191,7 @@ public enum Direction implements StringRepresentable {
-     }
- 
-     public Direction getOpposite() {
-+        if (dev.kaiijumc.kaiiju.KaiijuConfig.lithiumMathFastUtil) return VALUES[this.oppositeIndex]; // Kaiiju
-         return from3DDataValue(this.oppositeIndex);
-     }
- 
-@@ -453,6 +454,7 @@ public enum Direction implements StringRepresentable {
-     }
- 
-     public static Direction getRandom(RandomSource random) {
-+        if (dev.kaiijumc.kaiiju.KaiijuConfig.lithiumMathFastUtil) return VALUES[random.nextInt(VALUES.length)]; // Kaiiju
-         return Util.getRandom(VALUES, random);
-     }
- 
-diff --git a/src/main/java/net/minecraft/world/phys/AABB.java b/src/main/java/net/minecraft/world/phys/AABB.java
-index cfb2e46b34b2982d6724f18214557fc80cf4adfa..4fae201f57dc23ed0e25f17739f97133a7f7534c 100644
---- a/src/main/java/net/minecraft/world/phys/AABB.java
-+++ b/src/main/java/net/minecraft/world/phys/AABB.java
-@@ -81,10 +81,36 @@ public class AABB {
-     }
- 
-     public double min(Direction.Axis axis) {
-+        // Kaiiju start - Lithium
-+        if (dev.kaiijumc.kaiiju.KaiijuConfig.lithiumMathFastUtil){
-+            switch (axis.ordinal()) {
-+                case 0: //X
-+                   return this.minX;
-+                case 1: //Y
-+                    return this.minY;
-+                case 2: //Z
-+                    return this.minZ;
-+            }
-+            throw new IllegalArgumentException();
-+        }
-+        // Kaiiju end
-         return axis.choose(this.minX, this.minY, this.minZ);
-     }
- 
-     public double max(Direction.Axis axis) {
-+        // Kaiiju start - Lithium
-+        if (dev.kaiijumc.kaiiju.KaiijuConfig.lithiumMathFastUtil){
-+            switch (axis.ordinal()) {
-+                case 0: //X
-+                   return this.maxX;
-+                case 1: //Y
-+                    return this.maxY;
-+                case 2: //Z
-+                    return this.maxZ;
-+            }
-+            throw new IllegalArgumentException();
-+        }
-+        // Kaiiju end
-         return axis.choose(this.maxX, this.maxY, this.maxZ);
-     }
- 

patches/server/0011-Server-mod-name.patch

@@ -0,0 +1,33 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Sun, 9 Apr 2023 17:06:46 +0300
+Subject: [PATCH] Server mod name
+
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+index 46ae5b84ee5b87b0ed0b93e920689e44288a50d2..778de435ca3c13ccc2f2d86030e3529436a2d945 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+@@ -215,6 +215,9 @@ public class KaiijuConfig {
+     private static void optimizationSettings() {
+     }
+ 
++    public static String serverModName = "Kaiiju";
++
+     private static void gameplaySettings() {
++        serverModName = getString("gameplay.server-mod-name", serverModName);
+     }
+ }
+diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
+index 7243443d4bf24ad0b32b8a76d9b8701cca8612a7..3a358d159532faaf29af0118ecbfc255d9610969 100644
+--- a/src/main/java/net/minecraft/server/MinecraftServer.java
++++ b/src/main/java/net/minecraft/server/MinecraftServer.java
+@@ -1811,7 +1811,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
+ 
+     @DontObfuscate
+     public String getServerModName() {
+-        return "Kaiiju"; // Kaiiju - Kaiiju > // Folia - Folia > // Paper - Paper > // Spigot - Spigot > // CraftBukkit - cb > vanilla!
++        return dev.kaiijumc.kaiiju.KaiijuConfig.serverModName; // Kaiiju - Kaiiju > // Folia - Folia > // Paper - Paper > // Spigot - Spigot > // CraftBukkit - cb > vanilla!
+     }
+ 
+     public SystemReport fillSystemReport(SystemReport details) {

patches/server/0012-Crash-on-broken-symlink.patch

@@ -0,0 +1,227 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Xymb <xymb@endcrystal.me>
+Date: Fri, 14 Apr 2023 02:12:58 +0200
+Subject: [PATCH] Crash on broken symlink
+
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+index 55dcbb48450b24f80e0a04bedeb54f64e94ebb9e..f3f824d0ab1a2a72825c40b67192386479a0b34c 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+@@ -127,6 +127,7 @@ public class KaiijuWorldConfig {
+     }
+ 
+     public RegionFileFormat regionFormatName = RegionFileFormat.ANVIL;
++    public boolean linearCrashOnBrokenSymlink = true;
+     public int regionFormatLinearCompressionLevel = 1;
+ 
+     private void regionFormatSettings() {
+@@ -142,6 +143,7 @@ public class KaiijuWorldConfig {
+             log(Level.SEVERE, "Falling back to compression level 1.");
+             regionFormatLinearCompressionLevel = 1;
+         }
++        linearCrashOnBrokenSymlink = getBoolean("region-format.linear.crash-on-broken-symlink", linearCrashOnBrokenSymlink);
+     }
+ 
+     public boolean shulkerBoxDropContentsWhenDestroyed = true;
+diff --git a/src/main/java/io/papermc/paper/world/ThreadedWorldUpgrader.java b/src/main/java/io/papermc/paper/world/ThreadedWorldUpgrader.java
+index abf5e2a06af9853b58ac9107cd6e9787c4185c66..389c68c0becd2f69dc1004d0b383f1a8784214c0 100644
+--- a/src/main/java/io/papermc/paper/world/ThreadedWorldUpgrader.java
++++ b/src/main/java/io/papermc/paper/world/ThreadedWorldUpgrader.java
+@@ -87,10 +87,11 @@ public class ThreadedWorldUpgrader {
+         // Kaiiju start
+         dev.kaiijumc.kaiiju.region.RegionFileFormat formatName = ((org.bukkit.craftbukkit.CraftWorld) org.bukkit.Bukkit.getWorld(worldName)).getHandle().kaiijuConfig.regionFormatName;
+         int linearCompression = ((org.bukkit.craftbukkit.CraftWorld) org.bukkit.Bukkit.getWorld(worldName)).getHandle().kaiijuConfig.regionFormatLinearCompressionLevel;
++        boolean linearCrashOnBrokenSymlink = ((org.bukkit.craftbukkit.CraftWorld) org.bukkit.Bukkit.getWorld(worldName)).getHandle().kaiijuConfig.linearCrashOnBrokenSymlink;
+         LOGGER.info("Using format " + formatName + " (" + linearCompression + ")");
+         // Kaiiju end
+         final WorldInfo info = new WorldInfo(() -> worldPersistentData,
+-                new ChunkStorage(formatName, linearCompression, regionFolder.toPath(), this.dataFixer, false), this.removeCaches, this.dimensionType, this.generatorKey); // Kaiiju
++                new ChunkStorage(formatName, linearCompression, linearCrashOnBrokenSymlink, regionFolder.toPath(), this.dataFixer, false), this.removeCaches, this.dimensionType, this.generatorKey); // Kaiiju
+ 
+         long expectedChunks = (long)regionFiles.length * (32L * 32L);
+ 
+diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
+index c4d28d887b4cc71dc713b1e3f46bc80f4484a95d..f50507ab85282d261985ce9b186581f5a7a50f79 100644
+--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
++++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
+@@ -269,7 +269,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+     // Paper end
+ 
+     public ChunkMap(ServerLevel world, LevelStorageSource.LevelStorageAccess session, DataFixer dataFixer, StructureTemplateManager structureTemplateManager, Executor executor, BlockableEventLoop<Runnable> mainThreadExecutor, LightChunkGetter chunkProvider, ChunkGenerator chunkGenerator, ChunkProgressListener worldGenerationProgressListener, ChunkStatusUpdateListener chunkStatusChangeListener, Supplier<DimensionDataStorage> persistentStateManagerFactory, int viewDistance, boolean dsync) {
+-        super(world.getLevel().kaiijuConfig.regionFormatName, world.getLevel().kaiijuConfig.regionFormatLinearCompressionLevel, session.getDimensionPath(world.dimension()).resolve("region"), dataFixer, dsync); // Kaiiju
++        super(world.getLevel().kaiijuConfig.regionFormatName, world.getLevel().kaiijuConfig.regionFormatLinearCompressionLevel, world.getLevel().kaiijuConfig.linearCrashOnBrokenSymlink, session.getDimensionPath(world.dimension()).resolve("region"), dataFixer, dsync); // Kaiiju
+         // Paper - rewrite chunk system
+         this.tickingGenerated = new AtomicInteger();
+         //this.playerMap = new PlayerMap(); // Folia - region threading
+@@ -314,7 +314,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+         this.lightEngine = new ThreadedLevelLightEngine(chunkProvider, this, this.level.dimensionType().hasSkyLight(), null, null); // Paper - rewrite chunk system
+         this.distanceManager = new ChunkMap.ChunkDistanceManager(executor, mainThreadExecutor);
+         this.overworldDataStorage = persistentStateManagerFactory;
+-        this.poiManager = new PoiManager(this.level.kaiijuConfig.regionFormatName, this.level.kaiijuConfig.regionFormatLinearCompressionLevel, path.resolve("poi"), dataFixer, dsync, iregistrycustom, world); // Kaiiju
++        this.poiManager = new PoiManager(this.level.kaiijuConfig.regionFormatName, this.level.kaiijuConfig.regionFormatLinearCompressionLevel, this.level.kaiijuConfig.linearCrashOnBrokenSymlink, path.resolve("poi"), dataFixer, dsync, iregistrycustom, world); // Kaiiju
+         this.setViewDistance(viewDistance);
+         // Paper start
+         this.dataRegionManager = new io.papermc.paper.chunk.SingleThreadChunkRegionManager(this.level, 2, (1.0 / 3.0), 1, 6, "Data", DataRegionData::new, DataRegionSectionData::new);
+diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
+index e6e985e8e2c7cccb2c3395ae3fbc30072e1d48f0..ad896c8a3060f5c8d85a8b5707317de646bf9cae 100644
+--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
++++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
+@@ -453,8 +453,8 @@ public class ServerLevel extends Level implements WorldGenLevel {
+ 
+     private static final class EntityRegionFileStorage extends net.minecraft.world.level.chunk.storage.RegionFileStorage {
+ 
+-        public EntityRegionFileStorage(dev.kaiijumc.kaiiju.region.RegionFileFormat format, int linearCompression, Path directory, boolean dsync) { // Kaiiju
+-            super(format, linearCompression, directory, dsync); // Kaiiju
++        public EntityRegionFileStorage(dev.kaiijumc.kaiiju.region.RegionFileFormat format, int linearCompression, boolean linearCrashOnBrokenSymlink, Path directory, boolean dsync) { // Kaiiju
++            super(format, linearCompression, linearCrashOnBrokenSymlink, directory, dsync); // Kaiiju
+         }
+ 
+         protected void write(ChunkPos pos, net.minecraft.nbt.CompoundTag nbt) throws IOException {
+@@ -693,7 +693,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
+         // CraftBukkit end
+         boolean flag2 = minecraftserver.forceSynchronousWrites();
+         DataFixer datafixer = minecraftserver.getFixerUpper();
+-        this.entityStorage = new EntityRegionFileStorage(this.getLevel().kaiijuConfig.regionFormatName, this.getLevel().kaiijuConfig.regionFormatLinearCompressionLevel, convertable_conversionsession.getDimensionPath(resourcekey).resolve("entities"), flag2); // Paper - rewrite chunk system  //EntityPersistentStorage<Entity> entitypersistentstorage = new EntityStorage(this, convertable_conversionsession.getDimensionPath(resourcekey).resolve("entities"), datafixer, flag2, minecraftserver); // Kaiiju
++        this.entityStorage = new EntityRegionFileStorage(this.getLevel().kaiijuConfig.regionFormatName, this.getLevel().kaiijuConfig.regionFormatLinearCompressionLevel, this.getLevel().kaiijuConfig.linearCrashOnBrokenSymlink, convertable_conversionsession.getDimensionPath(resourcekey).resolve("entities"), flag2); // Paper - rewrite chunk system  //EntityPersistentStorage<Entity> entitypersistentstorage = new EntityStorage(this, convertable_conversionsession.getDimensionPath(resourcekey).resolve("entities"), datafixer, flag2, minecraftserver); // Kaiiju
+ 
+         // this.entityManager = new PersistentEntitySectionManager<>(Entity.class, new ServerLevel.EntityCallbacks(), entitypersistentstorage, this.entitySliceManager); // Paper // Paper - rewrite chunk system
+         StructureTemplateManager structuretemplatemanager = minecraftserver.getStructureManager();
+diff --git a/src/main/java/net/minecraft/util/worldupdate/WorldUpgrader.java b/src/main/java/net/minecraft/util/worldupdate/WorldUpgrader.java
+index ac35e7eb8cb5f19391a18eb9d6b5ba26769ce2f6..a9c6ca7c621bb2431bcf0ae879b192f748bf931b 100644
+--- a/src/main/java/net/minecraft/util/worldupdate/WorldUpgrader.java
++++ b/src/main/java/net/minecraft/util/worldupdate/WorldUpgrader.java
+@@ -120,7 +120,8 @@ public class WorldUpgrader {
+                 String worldName = this.levelStorage.getLevelId();
+                 dev.kaiijumc.kaiiju.region.RegionFileFormat formatName = ((org.bukkit.craftbukkit.CraftWorld) org.bukkit.Bukkit.getWorld(worldName)).getHandle().kaiijuConfig.regionFormatName;
+                 int linearCompression = ((org.bukkit.craftbukkit.CraftWorld) org.bukkit.Bukkit.getWorld(worldName)).getHandle().kaiijuConfig.regionFormatLinearCompressionLevel;
+-                builder1.put(resourcekey1, new ChunkStorage(formatName, linearCompression, path.resolve("region"), this.dataFixer, true));
++                boolean linearCrashOnBrokenSymlink = ((org.bukkit.craftbukkit.CraftWorld) org.bukkit.Bukkit.getWorld(worldName)).getHandle().kaiijuConfig.linearCrashOnBrokenSymlink;
++                builder1.put(resourcekey1, new ChunkStorage(formatName, linearCompression, linearCrashOnBrokenSymlink, path.resolve("region"), this.dataFixer, true));
+                 // Kaiiju end
+             }
+ 
+diff --git a/src/main/java/net/minecraft/world/entity/ai/village/poi/PoiManager.java b/src/main/java/net/minecraft/world/entity/ai/village/poi/PoiManager.java
+index 187ff795192c7eb56dffafa1ff6fa3068ac341c3..b9cf3b9f2cdb554d267c6dc3436e011c7e607228 100644
+--- a/src/main/java/net/minecraft/world/entity/ai/village/poi/PoiManager.java
++++ b/src/main/java/net/minecraft/world/entity/ai/village/poi/PoiManager.java
+@@ -59,8 +59,8 @@ public class PoiManager extends SectionStorage<PoiSection> {
+     // Paper end - rewrite chunk system
+ 
+ 
+-    public PoiManager(dev.kaiijumc.kaiiju.region.RegionFileFormat formatName, int linearCompression, Path path, DataFixer dataFixer, boolean dsync, RegistryAccess registryManager, LevelHeightAccessor world) { // Kaiiju
+-        super(formatName, linearCompression, path, PoiSection::codec, PoiSection::new, dataFixer, DataFixTypes.POI_CHUNK, dsync, registryManager, world); // Kaiiju
++    public PoiManager(dev.kaiijumc.kaiiju.region.RegionFileFormat formatName, int linearCompression, boolean linearCrashOnBrokenSymlink, Path path, DataFixer dataFixer, boolean dsync, RegistryAccess registryManager, LevelHeightAccessor world) { // Kaiiju
++        super(formatName, linearCompression, linearCrashOnBrokenSymlink, path, PoiSection::codec, PoiSection::new, dataFixer, DataFixTypes.POI_CHUNK, dsync, registryManager, world); // Kaiiju
+         this.world = (net.minecraft.server.level.ServerLevel)world; // Paper - rewrite chunk system
+     }
+ 
+diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
+index 1d880f27dd147da683fc30ed6f1bfa43ecdb7d93..41598adf6d49a44bcaadfff3797221460a6d93ba 100644
+--- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
++++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
+@@ -37,11 +37,11 @@ public class ChunkStorage implements AutoCloseable {
+     public final RegionFileStorage regionFileCache;
+     // Paper end - async chunk loading
+ 
+-    public ChunkStorage(dev.kaiijumc.kaiiju.region.RegionFileFormat format, int linearCompression, Path directory, DataFixer dataFixer, boolean dsync) { // Kaiiju
++    public ChunkStorage(dev.kaiijumc.kaiiju.region.RegionFileFormat format, int linearCompression, boolean linearCrashOnBrokenSymlink, Path directory, DataFixer dataFixer, boolean dsync) { // Kaiiju
+         this.fixerUpper = dataFixer;
+         // Paper start - async chunk io
+         // remove IO worker
+-        this.regionFileCache = new RegionFileStorage(format, linearCompression, directory, dsync, true); // Paper - nuke IOWorker // Paper
++        this.regionFileCache = new RegionFileStorage(format, linearCompression, linearCrashOnBrokenSymlink, directory, dsync, true); // Paper - nuke IOWorker // Paper
+         // Paper end - async chunk io
+     }
+ 
+diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
+index e91e8aef8b63ea9d94e0ecb3e4a62655a8c77ce1..bbc6a0c70cbafbfa411ab418e4fec11ad101ae91 100644
+--- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
++++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
+@@ -20,6 +20,7 @@ import net.minecraft.world.level.ChunkPos;
+ 
+ public class RegionFileStorage implements AutoCloseable {
+ 
++    private static final org.slf4j.Logger LOGGER = com.mojang.logging.LogUtils.getLogger(); // Kaiiju
+     public static final String ANVIL_EXTENSION = ".mca";
+     private static final int MAX_CACHE_SIZE = 256;
+     public final Long2ObjectLinkedOpenHashMap<dev.kaiijumc.kaiiju.region.AbstractRegionFile> regionCache = new Long2ObjectLinkedOpenHashMap(); // Kaiiju
+@@ -28,6 +29,7 @@ public class RegionFileStorage implements AutoCloseable {
+     // Kaiiju start - Per world chunk format
+     public final dev.kaiijumc.kaiiju.region.RegionFileFormat format;
+     public final int linearCompression;
++    public final boolean linearCrashOnBrokenSymlink;
+     // Kaiiju end
+     private final boolean isChunkData; // Paper
+ 
+@@ -60,14 +62,15 @@ public class RegionFileStorage implements AutoCloseable {
+     }
+     // Paper end - cache regionfile does not exist state
+ 
+-    protected RegionFileStorage(dev.kaiijumc.kaiiju.region.RegionFileFormat format, int linearCompression, Path directory, boolean dsync) { // Paper - protected constructor
++    protected RegionFileStorage(dev.kaiijumc.kaiiju.region.RegionFileFormat format, int linearCompression, boolean linearCrashOnBrokenSymlink, Path directory, boolean dsync) { // Paper - protected constructor
+         // Paper start - add isChunkData param
+-        this(format, linearCompression, directory, dsync, false);
++        this(format, linearCompression, linearCrashOnBrokenSymlink, directory, dsync, false);
+     }
+-    RegionFileStorage(dev.kaiijumc.kaiiju.region.RegionFileFormat format, int linearCompression, Path directory, boolean dsync, boolean isChunkData) { // Kaiiju
++    RegionFileStorage(dev.kaiijumc.kaiiju.region.RegionFileFormat format, int linearCompression, boolean linearCrashOnBrokenSymlink, Path directory, boolean dsync, boolean isChunkData) { // Kaiiju
+         // Kaiiju start
+         this.format = format;
+         this.linearCompression = linearCompression;
++        this.linearCrashOnBrokenSymlink = linearCrashOnBrokenSymlink;
+         // Kaiiju end
+         this.isChunkData = isChunkData;
+         // Paper end - add isChunkData param
+@@ -111,6 +114,20 @@ public class RegionFileStorage implements AutoCloseable {
+         return regionfile != null ? regionfile.hasChunk(pos) : false;
+     }
+ 
++    // Kaiiju start
++    private void guardAgainstBrokenSymlinks(Path path) throws IOException {
++        if (!linearCrashOnBrokenSymlink) return;
++        if (!this.format.equals("LINEAR")) return;
++        if (!java.nio.file.Files.isSymbolicLink(path)) return;
++        Path link = java.nio.file.Files.readSymbolicLink(path);
++        if (!java.nio.file.Files.exists(link) || !java.nio.file.Files.isReadable(link)) {
++            LOGGER.error("Linear region file {} is a broken symbolic link, crashing to prevent data loss", path);
++            net.minecraft.server.MinecraftServer.getServer().halt(false);
++            throw new IOException("Linear region file " + path + " is a broken symbolic link, crashing to prevent data loss");
++        }
++    }
++    // Kaiiju end
++
+     public synchronized dev.kaiijumc.kaiiju.region.AbstractRegionFile getRegionFile(ChunkPos chunkcoordintpair, boolean existingOnly) throws IOException { // CraftBukkit // Kaiiju
+         return this.getRegionFile(chunkcoordintpair, existingOnly, false);
+     }
+@@ -146,6 +163,7 @@ public class RegionFileStorage implements AutoCloseable {
+             if (existingOnly) {
+                 Path anvil = path.resolve("r." + j + "." + chunkcoordintpair.getRegionZ() + ".mca");
+                 Path linear = path.resolve("r." + j + "." + chunkcoordintpair.getRegionZ() + ".linear");
++                guardAgainstBrokenSymlinks(linear);
+                 if (java.nio.file.Files.exists(anvil)) path1 = anvil;
+                 else if (java.nio.file.Files.exists(linear)) path1 = linear;
+                 else {
+@@ -161,6 +179,7 @@ public class RegionFileStorage implements AutoCloseable {
+                 };
+                 path1 = path.resolve("r." + j + "." + chunkcoordintpair.getRegionZ() + "." + extension);
+                 // Kaiiju end
++                guardAgainstBrokenSymlinks(path1); // Kaiiju - Crash on broken symlink
+                 this.createRegionFile(regionPos);
+             }
+ 
+diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/SectionStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/SectionStorage.java
+index 9394d191c56aab78e63fd3f283efedd69384e323..dcfe4a285cc5865be3b0c1b8104b722895135dd0 100644
+--- a/src/main/java/net/minecraft/world/level/chunk/storage/SectionStorage.java
++++ b/src/main/java/net/minecraft/world/level/chunk/storage/SectionStorage.java
+@@ -47,8 +47,8 @@ public class SectionStorage<R> extends RegionFileStorage implements AutoCloseabl
+     public final RegistryAccess registryAccess; // Paper - rewrite chunk system
+     protected final LevelHeightAccessor levelHeightAccessor;
+ 
+-    public SectionStorage(dev.kaiijumc.kaiiju.region.RegionFileFormat format, int linearCompression, Path path, Function<Runnable, Codec<R>> codecFactory, Function<Runnable, R> factory, DataFixer dataFixer, DataFixTypes dataFixTypes, boolean dsync, RegistryAccess dynamicRegistryManager, LevelHeightAccessor world) { // Kaiiju
+-        super(format, linearCompression, path, dsync); // Paper - remove mojang I/O thread // Kaiiju
++    public SectionStorage(dev.kaiijumc.kaiiju.region.RegionFileFormat format, int linearCompression, boolean linearCrashOnBrokenSymlink, Path path, Function<Runnable, Codec<R>> codecFactory, Function<Runnable, R> factory, DataFixer dataFixer, DataFixTypes dataFixTypes, boolean dsync, RegistryAccess dynamicRegistryManager, LevelHeightAccessor world) { // Kaiiju
++        super(format, linearCompression, linearCrashOnBrokenSymlink, path, dsync); // Paper - remove mojang I/O thread // Kaiiju
+         this.codec = codecFactory;
+         this.factory = factory;
+         this.fixerUpper = dataFixer;

patches/server/0012-Lithium-Math-SineLut.patch

@@ -1,144 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
-Date: Fri, 17 Feb 2023 00:34:31 +0200
-Subject: [PATCH] Lithium Math SineLut
-
-Author: JellySquid
-Licence: LGPL-3.0
-
-diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
-index 95742b2ec27156071867a9467669b350f3ad4280..8c713b71156375f248d97e2b117d22826eccdcca 100644
---- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
-+++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
-@@ -207,8 +207,10 @@ public class KaiijuConfig {
- 
-     public static boolean lithiumEnable = true;
-     public static boolean lithiumMathFastUtil = true;
-+    public static boolean lithiumMathSineLut = true;
-     private static void lithiumSettings() {
-         lithiumEnable = getBoolean("lithium.enable", lithiumEnable);
-         lithiumMathFastUtil = getBoolean("lithium.math.fast-util", lithiumMathFastUtil) && lithiumEnable;
-+        lithiumMathSineLut = getBoolean("lithium.math.sine-lut", lithiumMathSineLut) && lithiumEnable;
-     }
- }
-diff --git a/src/main/java/me/jellysquid/mods/lithium/common/util/math/CompactSineLUT.java b/src/main/java/me/jellysquid/mods/lithium/common/util/math/CompactSineLUT.java
-new file mode 100644
-index 0000000000000000000000000000000000000000..ccb45e94ea6d1a627df786fb88baec7edd1f2427
---- /dev/null
-+++ b/src/main/java/me/jellysquid/mods/lithium/common/util/math/CompactSineLUT.java
-@@ -0,0 +1,90 @@
-+package me.jellysquid.mods.lithium.common.util.math;
-+
-+import net.minecraft.util.Mth;
-+
-+/**
-+ * A replacement for the sine angle lookup table used in {@link MathHelper}, both reducing the size of LUT and improving
-+ * the access patterns for common paired sin/cos operations.
-+ *
-+ *  sin(-x) = -sin(x)
-+ *    ... to eliminate negative angles from the LUT.
-+ *
-+ *  sin(x) = sin(pi/2 - x)
-+ *    ... to eliminate supplementary angles from the LUT.
-+ *
-+ * Using these identities allows us to reduce the LUT from 64K entries (256 KB) to just 16K entries (64 KB), enabling
-+ * it to better fit into the CPU's caches at the expense of some cycles on the fast path. The implementation has been
-+ * tightly optimized to avoid branching where possible and to use very quick integer operations.
-+ *
-+ * Generally speaking, reducing the size of a lookup table is always a good optimization, but since we need to spend
-+ * extra CPU cycles trying to maintain parity with vanilla, there is the potential risk that this implementation ends
-+ * up being slower than vanilla when the lookup table is able to be kept in cache memory.
-+ *
-+ * Unlike other "fast math" implementations, the values returned by this class are *bit-for-bit identical* with those
-+ * from {@link MathHelper}. Validation is performed during runtime to ensure that the table is correct.
-+ *
-+ * @author coderbot16   Author of the original (and very clever) implementation in Rust:
-+ *  https://gitlab.com/coderbot16/i73/-/tree/master/i73-trig/src
-+ * @author jellysquid3  Additional optimizations, port to Java
-+ */
-+public class CompactSineLUT {
-+    private static final int[] SINE_TABLE_INT = new int[16384 + 1];
-+    private static final float SINE_TABLE_MIDPOINT;
-+
-+    static {
-+        final float[] SINE_TABLE = Mth.getSinTable();
-+        // Copy the sine table, covering to raw int bits
-+        for (int i = 0; i < SINE_TABLE_INT.length; i++) {
-+            SINE_TABLE_INT[i] = Float.floatToRawIntBits(SINE_TABLE[i]);
-+        }
-+
-+        SINE_TABLE_MIDPOINT = SINE_TABLE[SINE_TABLE.length / 2];
-+
-+        // Test that the lookup table is correct during runtime
-+        for (int i = 0; i < SINE_TABLE.length; i++) {
-+            float expected = SINE_TABLE[i];
-+            float value = lookup(i);
-+
-+            if (expected != value) {
-+                throw new IllegalArgumentException(String.format("LUT error at index %d (expected: %s, found: %s)", i, expected, value));
-+            }
-+        }
-+    }
-+
-+    // [VanillaCopy] MathHelper#sin(float)
-+    public static float sin(float f) {
-+        return lookup((int) (f * 10430.378f) & 0xFFFF);
-+    }
-+
-+    // [VanillaCopy] MathHelper#cos(float)
-+    public static float cos(float f) {
-+        return lookup((int) (f * 10430.378f + 16384.0f) & 0xFFFF);
-+    }
-+
-+    private static float lookup(int index) {
-+        // A special case... Is there some way to eliminate this?
-+        if (index == 32768) {
-+            return SINE_TABLE_MIDPOINT;
-+        }
-+
-+        // Trigonometric identity: sin(-x) = -sin(x)
-+        // Given a domain of 0 <= x <= 2*pi, just negate the value if x > pi.
-+        // This allows the sin table size to be halved.
-+        int neg = (index & 0x8000) << 16;
-+
-+        // All bits set if (pi/2 <= x), none set otherwise
-+        // Extracts the 15th bit from 'half'
-+        int mask = (index << 17) >> 31;
-+
-+        // Trigonometric identity: sin(x) = sin(pi/2 - x)
-+        int pos = (0x8001 & mask) + (index ^ mask);
-+
-+        // Wrap the position in the table. Moving this down to immediately before the array access
-+        // seems to help the Hotspot compiler optimize the bit math better.
-+        pos &= 0x7fff;
-+
-+        // Fetch the corresponding value from the LUT and invert the sign bit as needed
-+        // This directly manipulate the sign bit on the float bits to simplify logic
-+        return Float.intBitsToFloat(SINE_TABLE_INT[pos] ^ neg);
-+    }
-+}
-\ No newline at end of file
-diff --git a/src/main/java/net/minecraft/util/Mth.java b/src/main/java/net/minecraft/util/Mth.java
-index 618f19d70a61062ed5989ec6cf0c036f2e047466..dd320f3a3f2b51a723a2fcc65d477a22c0901455 100644
---- a/src/main/java/net/minecraft/util/Mth.java
-+++ b/src/main/java/net/minecraft/util/Mth.java
-@@ -45,11 +45,19 @@ public class Mth {
-         return (float)((int)(value * f)) / f;
-     }
- 
-+    // Kaiiju start
-+    public static float[] getSinTable() {
-+        return SIN;
-+    }
-+    // Kaiiju end
-+
-     public static float sin(float value) {
-+        if (dev.kaiijumc.kaiiju.KaiijuConfig.lithiumMathSineLut) return me.jellysquid.mods.lithium.common.util.math.CompactSineLUT.sin(value); // Kaiiju
-         return SIN[(int)(value * 10430.378F) & '\uffff'];
-     }
- 
-     public static float cos(float value) {
-+        if (dev.kaiijumc.kaiiju.KaiijuConfig.lithiumMathSineLut) return me.jellysquid.mods.lithium.common.util.math.CompactSineLUT.cos(value); // Kaiiju
-         return SIN[(int)(value * 10430.378F + 16384.0F) & '\uffff'];
-     }
- 

patches/server/0013-Toggle-void-trading.patch

@@ -0,0 +1,36 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Sun, 23 Apr 2023 15:34:30 +0300
+Subject: [PATCH] Toggle void trading
+
+Don't close trading windows when the villager is unloaded.
+You should set chunk-unloads to 0s in paper config file to enable void
+trading. Or use Kaiivoid plugin.
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+index f3f824d0ab1a2a72825c40b67192386479a0b34c..95ed6cb7b94797187d1011cab344e187b39d9193 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+@@ -152,6 +152,9 @@ public class KaiijuWorldConfig {
+         shulkerBoxDropContentsWhenDestroyed = getBoolean("optimization.shulker-box-drop-contents-when-destroyed", shulkerBoxDropContentsWhenDestroyed);
+     }
+ 
++    public boolean fixVoidTrading = true;
++
+     private void gameplaySettings() {
++        fixVoidTrading = getBoolean("gameplay.fix-void-trading", fixVoidTrading);
+     }
+ }
+diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
+index ad896c8a3060f5c8d85a8b5707317de646bf9cae..0df4672abb5e87587da8712b6febf6312e241cda 100644
+--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
++++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
+@@ -2865,7 +2865,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
+             // Spigot Start
+             if (entity.getBukkitEntity() instanceof org.bukkit.inventory.InventoryHolder && (!(entity instanceof ServerPlayer) || entity.getRemovalReason() != Entity.RemovalReason.KILLED)) { // SPIGOT-6876: closeInventory clears death message
+                 // Paper start
+-                if (entity.getBukkitEntity() instanceof org.bukkit.inventory.Merchant merchant && merchant.getTrader() != null) {
++                if (entity.level().kaiijuConfig.fixVoidTrading && entity.getBukkitEntity() instanceof org.bukkit.inventory.Merchant merchant && merchant.getTrader() != null) { // Kaiiju
+                     merchant.getTrader().closeInventory(org.bukkit.event.inventory.InventoryCloseEvent.Reason.UNLOADED);
+                 }
+                 // Paper end

patches/server/0014-Toggle-optimize-hoppers.patch

@@ -0,0 +1,219 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Thu, 27 Apr 2023 03:49:08 +0300
+Subject: [PATCH] Toggle optimize hoppers
+
+Paper optimize hoppers patch break a lot of technical redstone farms because of piston updates. (Example: twiti888 wood farm)
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+index 95ed6cb7b94797187d1011cab344e187b39d9193..6d7356cc07da58b1cef8d8963e790251d765de2c 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+@@ -147,9 +147,11 @@ public class KaiijuWorldConfig {
+     }
+ 
+     public boolean shulkerBoxDropContentsWhenDestroyed = true;
++    public boolean optimizeHoppers = true;
+ 
+     private void optimizationSettings() {
+         shulkerBoxDropContentsWhenDestroyed = getBoolean("optimization.shulker-box-drop-contents-when-destroyed", shulkerBoxDropContentsWhenDestroyed);
++        optimizeHoppers = getBoolean("optimization.optimize-hoppers", optimizeHoppers);
+     }
+ 
+     public boolean fixVoidTrading = true;
+diff --git a/src/main/java/net/minecraft/world/level/block/entity/HopperBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/HopperBlockEntity.java
+index 81d8de7c80bac16d874faf990cb08f1556a46adc..0735ee186b4e81231201ef6f8ddb02995b64259d 100644
+--- a/src/main/java/net/minecraft/world/level/block/entity/HopperBlockEntity.java
++++ b/src/main/java/net/minecraft/world/level/block/entity/HopperBlockEntity.java
+@@ -441,49 +441,51 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen
+             if (HopperBlockEntity.isFullContainer(iinventory1, enumdirection)) {
+                 return false;
+             } else {
++                // Kaiiju start - Toggle paper broken redstone
+                 // Paper start - replace logic; MAKE SURE TO CHECK FOR DIFFS ON UPDATES
+-                return hopperPush(world, iinventory1, enumdirection, hopper);
+-                // for (int i = 0; i < iinventory.getContainerSize(); ++i) {
+-                //     if (!iinventory.getItem(i).isEmpty()) {
+-                //         ItemStack itemstack = iinventory.getItem(i).copy();
+-                //         // ItemStack itemstack1 = addItem(iinventory, iinventory1, iinventory.removeItem(i, 1), enumdirection);
+-
+-                //         // CraftBukkit start - Call event when pushing items into other inventories
+-                //         CraftItemStack oitemstack = CraftItemStack.asCraftMirror(iinventory.removeItem(i, world.spigotConfig.hopperAmount)); // Spigot
+-
+-                //         Inventory destinationInventory;
+-                //        // Have to special case large chests as they work oddly
+-                //         if (iinventory1 instanceof CompoundContainer) {
+-                //             destinationInventory = new org.bukkit.craftbukkit.inventory.CraftInventoryDoubleChest((CompoundContainer) iinventory1);
+-                //         } else if (iinventory1.getOwner() != null) {
+-                //             destinationInventory = iinventory1.getOwner().getInventory();
+-                //         } else {
+-                //             destinationInventory = new CraftInventory(iinventory);
+-                //         }
+-
+-                //         InventoryMoveItemEvent event = new InventoryMoveItemEvent(iinventory.getOwner().getInventory(), oitemstack.clone(), destinationInventory, true);
+-                //         world.getCraftServer().getPluginManager().callEvent(event);
+-                //         if (event.isCancelled()) {
+-                //             hopper.setItem(i, itemstack);
+-                //             hopper.setCooldown(world.spigotConfig.hopperTransfer); // Spigot
+-                //             return false;
+-                //         }
+-                //         int origCount = event.getItem().getAmount(); // Spigot
+-                //         ItemStack itemstack1 = HopperBlockEntity.addItem(iinventory, iinventory1, CraftItemStack.asNMSCopy(event.getItem()), enumdirection);
++                if (world.kaiijuConfig.optimizeHoppers) return hopperPush(world, iinventory1, enumdirection, hopper);
++                for (int i = 0; i < iinventory.getContainerSize(); ++i) {
++                    if (!iinventory.getItem(i).isEmpty()) {
++                        ItemStack itemstack = iinventory.getItem(i).copy();
++                        // ItemStack itemstack1 = addItem(iinventory, iinventory1, iinventory.removeItem(i, 1), enumdirection);
++
++                        // CraftBukkit start - Call event when pushing items into other inventories
++                        CraftItemStack oitemstack = CraftItemStack.asCraftMirror(iinventory.removeItem(i, world.spigotConfig.hopperAmount)); // Spigot
++
++                        Inventory destinationInventory;
++                       // Have to special case large chests as they work oddly
++                        if (iinventory1 instanceof CompoundContainer) {
++                            destinationInventory = new org.bukkit.craftbukkit.inventory.CraftInventoryDoubleChest((CompoundContainer) iinventory1);
++                        } else if (iinventory1.getOwner() != null) {
++                            destinationInventory = iinventory1.getOwner().getInventory();
++                        } else {
++                            destinationInventory = new CraftInventory(iinventory);
++                        }
++
++                        InventoryMoveItemEvent event = new InventoryMoveItemEvent(iinventory.getOwner().getInventory(), oitemstack.clone(), destinationInventory, true);
++                        world.getCraftServer().getPluginManager().callEvent(event);
++                        if (event.isCancelled()) {
++                            hopper.setItem(i, itemstack);
++                            hopper.setCooldown(world.spigotConfig.hopperTransfer); // Spigot
++                            return false;
++                        }
++                        int origCount = event.getItem().getAmount(); // Spigot
++                        ItemStack itemstack1 = HopperBlockEntity.addItem(iinventory, iinventory1, CraftItemStack.asNMSCopy(event.getItem()), enumdirection);
+                         // CraftBukkit end
+ 
+-                //         if (itemstack1.isEmpty()) {
+-                //             iinventory1.setChanged();
+-                //             return true;
+-                //         }
++                        if (itemstack1.isEmpty()) {
++                            iinventory1.setChanged();
++                            return true;
++                        }
+ 
+-                //         itemstack.shrink(origCount - itemstack1.getCount()); // Spigot
+-                //         iinventory.setItem(i, itemstack);
+-                //     }
+-                // }
++                        itemstack.shrink(origCount - itemstack1.getCount()); // Spigot
++                        iinventory.setItem(i, itemstack);
++                    }
++                }
+ 
+-                // return false;
++                return false;
+                 // Paper end
++                // Kaiiju end
+             }
+         }
+     }
+@@ -525,6 +527,12 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen
+         if (iinventory != null) {
+             Direction enumdirection = Direction.DOWN;
+ 
++            // Kaiiju start - toggle paper broken redstone
++            if (!world.kaiijuConfig.optimizeHoppers)
++            return HopperBlockEntity.isEmptyContainer(iinventory, enumdirection) ? false : HopperBlockEntity.getSlots(iinventory, enumdirection).anyMatch((i) -> {
++                return HopperBlockEntity.a(hopper, iinventory, i, enumdirection, world); // Spigot
++            });
++            // Kaiiju end
+             // Paper start - optimize hoppers and remove streams
+             worldData.skipPullModeEventFire = worldData.skipHopperEvents; // Folia - region threading
+             // merge container isEmpty check and move logic into one loop
+@@ -571,48 +579,50 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen
+     private static boolean a(Hopper ihopper, Container iinventory, int i, Direction enumdirection, Level world) { // Spigot
+         ItemStack itemstack = iinventory.getItem(i);
+ 
++        // Kaiiju start - toggle paper broken redstone
+         // Paper start - replace pull logic; MAKE SURE TO CHECK FOR DIFFS WHEN UPDATING
+         if (!itemstack.isEmpty() && HopperBlockEntity.canTakeItemFromContainer(ihopper, iinventory, itemstack, i, enumdirection)) { // If this logic changes, update above. this is left unused incase reflective plugins
+-            return hopperPull(world, ihopper, iinventory, itemstack, i);
+-            // ItemStack itemstack1 = itemstack.copy();
+-            // // ItemStack itemstack2 = addItem(iinventory, ihopper, iinventory.removeItem(i, 1), (EnumDirection) null);
+-            // // CraftBukkit start - Call event on collection of items from inventories into the hopper
+-            // CraftItemStack oitemstack = CraftItemStack.asCraftMirror(iinventory.removeItem(i, world.spigotConfig.hopperAmount)); // Spigot
+-
+-            // Inventory sourceInventory;
+-            // // Have to special case large chests as they work oddly
+-            // if (iinventory instanceof CompoundContainer) {
+-            //     sourceInventory = new org.bukkit.craftbukkit.inventory.CraftInventoryDoubleChest((CompoundContainer) iinventory);
+-            // } else if (iinventory.getOwner() != null) {
+-            //     sourceInventory = iinventory.getOwner().getInventory();
+-            // } else {
+-            //     sourceInventory = new CraftInventory(iinventory);
+-            // }
+-
+-            // InventoryMoveItemEvent event = new InventoryMoveItemEvent(sourceInventory, oitemstack.clone(), ihopper.getOwner().getInventory(), false);
+-
+-            // Bukkit.getServer().getPluginManager().callEvent(event);
+-            // if (event.isCancelled()) {
+-            //     iinventory.setItem(i, itemstack1);
+-
+-                // if (ihopper instanceof HopperBlockEntity) {
+-                //     ((HopperBlockEntity) ihopper).setCooldown(world.spigotConfig.hopperTransfer); // Spigot
+-                // }
+-
+-                // return false;
+-            // }
+-            // int origCount = event.getItem().getAmount(); // Spigot
+-            // ItemStack itemstack2 = HopperBlockEntity.addItem(iinventory, ihopper, CraftItemStack.asNMSCopy(event.getItem()), null);
+-            // // CraftBukkit end
+-
+-            // if (itemstack2.isEmpty()) {
+-            //     iinventory.setChanged();
+-            //     return true;
+-            // }
+-
+-            // itemstack1.shrink(origCount - itemstack2.getCount()); // Spigot
+-            // iinventory.setItem(i, itemstack1);
++            if (world.kaiijuConfig.optimizeHoppers) return hopperPull(world, ihopper, iinventory, itemstack, i);
++            ItemStack itemstack1 = itemstack.copy();
++            // ItemStack itemstack2 = addItem(iinventory, ihopper, iinventory.removeItem(i, 1), (EnumDirection) null);
++            // CraftBukkit start - Call event on collection of items from inventories into the hopper
++            CraftItemStack oitemstack = CraftItemStack.asCraftMirror(iinventory.removeItem(i, world.spigotConfig.hopperAmount)); // Spigot
++
++            Inventory sourceInventory;
++            // Have to special case large chests as they work oddly
++            if (iinventory instanceof CompoundContainer) {
++                sourceInventory = new org.bukkit.craftbukkit.inventory.CraftInventoryDoubleChest((CompoundContainer) iinventory);
++            } else if (iinventory.getOwner() != null) {
++                sourceInventory = iinventory.getOwner().getInventory();
++            } else {
++                sourceInventory = new CraftInventory(iinventory);
++            }
++
++            InventoryMoveItemEvent event = new InventoryMoveItemEvent(sourceInventory, oitemstack.clone(), ihopper.getOwner().getInventory(), false);
++
++            Bukkit.getServer().getPluginManager().callEvent(event);
++            if (event.isCancelled()) {
++                iinventory.setItem(i, itemstack1);
++
++                if (ihopper instanceof HopperBlockEntity) {
++                    ((HopperBlockEntity) ihopper).setCooldown(world.spigotConfig.hopperTransfer); // Spigot
++                }
++
++                return false;
++            }
++            int origCount = event.getItem().getAmount(); // Spigot
++            ItemStack itemstack2 = HopperBlockEntity.addItem(iinventory, ihopper, CraftItemStack.asNMSCopy(event.getItem()), null);
++            // CraftBukkit end
++
++            if (itemstack2.isEmpty()) {
++                iinventory.setChanged();
++                return true;
++            }
++
++            itemstack1.shrink(origCount - itemstack2.getCount()); // Spigot
++            iinventory.setItem(i, itemstack1);
+             // Paper end
++            // Kaiiju end
+         }
+ 
+         return false;

patches/server/0015-Toggle-tick-level-when-empty.patch

@@ -0,0 +1,36 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Thu, 4 May 2023 19:53:33 +0300
+Subject: [PATCH] Toggle tick level when empty
+
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+index 6d7356cc07da58b1cef8d8963e790251d765de2c..601b9867d839f4928ba993ee8f00df9c330a0fe3 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+@@ -148,10 +148,12 @@ public class KaiijuWorldConfig {
+ 
+     public boolean shulkerBoxDropContentsWhenDestroyed = true;
+     public boolean optimizeHoppers = true;
++    public boolean tickWhenEmpty = true;
+ 
+     private void optimizationSettings() {
+         shulkerBoxDropContentsWhenDestroyed = getBoolean("optimization.shulker-box-drop-contents-when-destroyed", shulkerBoxDropContentsWhenDestroyed);
+         optimizeHoppers = getBoolean("optimization.optimize-hoppers", optimizeHoppers);
++        tickWhenEmpty = getBoolean("optimization.tick-when-empty", tickWhenEmpty);
+     }
+ 
+     public boolean fixVoidTrading = true;
+diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
+index 0df4672abb5e87587da8712b6febf6312e241cda..1818c5ae88c331fb900470436f72049165c9e9f4 100644
+--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
++++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
+@@ -825,7 +825,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
+         timings.doSounds.stopTiming(); // Spigot
+         regionizedWorldData.setHandlingTick(false); // Folia - regionised ticking
+         gameprofilerfiller.pop();
+-        boolean flag = true || !this.players.isEmpty() || !this.getForcedChunks().isEmpty(); // CraftBukkit - this prevents entity cleanup, other issues on servers with no players
++        boolean flag = kaiijuConfig.tickWhenEmpty || !this.players.isEmpty() || !this.getForcedChunks().isEmpty(); // CraftBukkit - this prevents entity cleanup, other issues on servers with no players // Kaiiju - i don't think so
+ 
+         if (flag) {
+             this.resetEmptyTime();

patches/server/0016-Toggle-break-redstone-on-top-of-trap-doors-early.patch

@@ -0,0 +1,42 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Sun, 7 May 2023 20:04:06 +0300
+Subject: [PATCH] Toggle break redstone on top of trap doors early
+
+That patch break vanilla mechanics such as portal slicing.
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+index 601b9867d839f4928ba993ee8f00df9c330a0fe3..e7ee85b09aa4438868e068551280b13e84cdfdb8 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+@@ -157,8 +157,10 @@ public class KaiijuWorldConfig {
+     }
+ 
+     public boolean fixVoidTrading = true;
++    public boolean breakRedstoneOnTopOfTrapDoorsEarly = true;
+ 
+     private void gameplaySettings() {
+         fixVoidTrading = getBoolean("gameplay.fix-void-trading", fixVoidTrading);
++        breakRedstoneOnTopOfTrapDoorsEarly = getBoolean("gameplay.break-redstone-on-top-of-trap-doors-early", breakRedstoneOnTopOfTrapDoorsEarly);
+     }
+ }
+diff --git a/src/main/java/net/minecraft/world/level/block/TrapDoorBlock.java b/src/main/java/net/minecraft/world/level/block/TrapDoorBlock.java
+index b9e3c9cd709d42bced85436720ccc7b9c7e49552..5e6d64408a5da3f337d32bb8ac5ac2532b04490c 100644
+--- a/src/main/java/net/minecraft/world/level/block/TrapDoorBlock.java
++++ b/src/main/java/net/minecraft/world/level/block/TrapDoorBlock.java
+@@ -125,6 +125,7 @@ public class TrapDoorBlock extends HorizontalDirectionalBlock implements SimpleW
+                 }
+                 // CraftBukkit end
+                 boolean open = (Boolean) state.getValue(TrapDoorBlock.OPEN) != flag1; // Paper - break redstone on trapdoors early
++                if (world.kaiijuConfig.breakRedstoneOnTopOfTrapDoorsEarly) { // Kaiiju - trigger break redstone on trapdoors early
+                 // Paper start - break redstone on trapdoors early
+                 // note: this must run before any state for this block/its neighborus are written to the world
+                 // we allow the redstone event to fire so that plugins can block
+@@ -143,6 +144,7 @@ public class TrapDoorBlock extends HorizontalDirectionalBlock implements SimpleW
+                     }
+                 }
+                 // Paper end - break redstone on trapdoors early
++                } // Kaiiju  - trigger break redstone on trapdoors early
+                 if (open) { // Paper - break redstone on trapdoors early
+                     state = (BlockState) state.setValue(TrapDoorBlock.OPEN, flag1);
+                     this.playSound((Player) null, world, pos, flag1);

patches/server/0017-Add-SIMD-utilities.patch

@@ -0,0 +1,141 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Thu, 11 May 2023 05:02:40 +0300
+Subject: [PATCH] Add SIMD utilities
+
+Patch from Pufferfish
+
+diff --git a/build.gradle.kts b/build.gradle.kts
+index 99f31c4f5bf3064e483d5f387778c05742197e49..d73a4d547ad7768513773535d8cf15619c8079b0 100644
+--- a/build.gradle.kts
++++ b/build.gradle.kts
+@@ -68,6 +68,12 @@ dependencies {
+ }
+ 
+ val craftbukkitPackageVersion = "1_20_R1" // Paper
++// Kaiiju start - Pufferfish - SIMD utilities
++tasks.withType<JavaCompile> {
++    val compilerArgs = options.compilerArgs
++    compilerArgs.add("--add-modules=jdk.incubator.vector")
++}
++// Kaiiju end
+ tasks.jar {
+     archiveClassifier.set("dev")
+ 
+diff --git a/src/main/java/gg/pufferfish/pufferfish/simd/SIMDChecker.java b/src/main/java/gg/pufferfish/pufferfish/simd/SIMDChecker.java
+new file mode 100644
+index 0000000000000000000000000000000000000000..586b4cd007b3b106966524e2697edddf88e3ac9d
+--- /dev/null
++++ b/src/main/java/gg/pufferfish/pufferfish/simd/SIMDChecker.java
+@@ -0,0 +1,59 @@
++package gg.pufferfish.pufferfish.simd;
++
++import org.bukkit.Bukkit;
++import java.util.logging.Level;
++import java.util.logging.Logger;
++import jdk.incubator.vector.FloatVector;
++import jdk.incubator.vector.IntVector;
++import jdk.incubator.vector.VectorSpecies;
++
++/**
++ * Basically, java is annoying and we have to push this out to its own class.
++ */
++public class SIMDChecker {
++
++	public static boolean canEnable(Logger logger) {
++		try {
++			if (SIMDDetection.getJavaVersion() != 17 && SIMDDetection.getJavaVersion() != 18 && SIMDDetection.getJavaVersion() != 19) {
++				return false;
++			} else {
++				SIMDDetection.testRun = true;
++
++				VectorSpecies<Integer> ISPEC = IntVector.SPECIES_PREFERRED;
++				VectorSpecies<Float> FSPEC = FloatVector.SPECIES_PREFERRED;
++
++				logger.log(Level.INFO, "Max SIMD vector size on this system is " + ISPEC.vectorBitSize() + " bits (int)");
++				logger.log(Level.INFO, "Max SIMD vector size on this system is " + FSPEC.vectorBitSize() + " bits (float)");
++
++				if (ISPEC.elementSize() < 2 || FSPEC.elementSize() < 2) {
++					logger.log(Level.WARNING, "SIMD is not properly supported on this system!");
++					return false;
++				}
++
++				return true;
++			}
++		} catch (NoClassDefFoundError | Exception ignored) {} // Basically, we don't do anything. This lets us detect if it's not functional and disable it.
++		return false;
++	}
++
++    public static void simdWarning() {
++		// Attempt to detect vectorization
++		try {
++			SIMDDetection.isEnabled = SIMDDetection.canEnable(Bukkit.getLogger());
++			SIMDDetection.versionLimited = SIMDDetection.getJavaVersion() != 17 && SIMDDetection.getJavaVersion() != 18 && SIMDDetection.getJavaVersion() != 19;
++		} catch (NoClassDefFoundError | Exception ignored) {
++			ignored.printStackTrace();
++		}
++
++		if (SIMDDetection.isEnabled) {
++			Bukkit.getLogger().info("SIMD operations detected as functional. Will replace some operations with faster versions.");
++		} else if (SIMDDetection.versionLimited) {
++			Bukkit.getLogger().warning("Will not enable SIMD! These optimizations are only safely supported on Java 17, Java 18, and Java 19.");
++		} else {
++			Bukkit.getLogger().warning("SIMD operations are available for your server, but are not configured!");
++			Bukkit.getLogger().warning("To enable additional optimizations, add \"--add-modules=jdk.incubator.vector\" to your startup flags, BEFORE the \"-jar\".");
++			Bukkit.getLogger().warning("If you have already added this flag, then SIMD operations are not supported on your JVM or CPU.");
++			Bukkit.getLogger().warning("Debug: Java: " + System.getProperty("java.version") + ", test run: " + SIMDDetection.testRun);
++		}
++    }
++}
+\ No newline at end of file
+diff --git a/src/main/java/gg/pufferfish/pufferfish/simd/SIMDDetection.java b/src/main/java/gg/pufferfish/pufferfish/simd/SIMDDetection.java
+new file mode 100644
+index 0000000000000000000000000000000000000000..758fa97304a32bf17935c86dc03cbf50606935d8
+--- /dev/null
++++ b/src/main/java/gg/pufferfish/pufferfish/simd/SIMDDetection.java
+@@ -0,0 +1,32 @@
++package gg.pufferfish.pufferfish.simd;
++
++import java.util.logging.Logger;
++
++public class SIMDDetection {
++
++	public static boolean isEnabled = false;
++	public static boolean versionLimited = false;
++	public static boolean testRun = false;
++
++	public static boolean canEnable(Logger logger) {
++		try {
++			return SIMDChecker.canEnable(logger);
++		} catch (NoClassDefFoundError | Exception ignored) {
++			return false;
++		}
++	}
++
++	public static int getJavaVersion() {
++		// https://stackoverflow.com/a/2591122
++		String version = System.getProperty("java.version");
++		if(version.startsWith("1.")) {
++			version = version.substring(2, 3);
++		} else {
++			int dot = version.indexOf(".");
++			if(dot != -1) { version = version.substring(0, dot); }
++		}
++		version = version.split("-")[0]; // Azul is stupid
++		return Integer.parseInt(version);
++	}
++
++}
+\ No newline at end of file
+diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+index ee75d828174ac1c84931bc087472fefd76073bdb..991e4c19763a34a6fead88363e007c2d11aad836 100644
+--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
++++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+@@ -225,6 +225,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
+             DedicatedServer.LOGGER.error("Unable to load server configuration", e);
+             return false;
+         }
++        gg.pufferfish.pufferfish.simd.SIMDChecker.simdWarning();
+         dev.kaiijumc.kaiiju.KaiijuConfig.registerCommands();
+         // Kaiiju end
+         com.destroystokyo.paper.VersionHistoryManager.INSTANCE.getClass(); // load version history now

patches/server/0018-Toggle-shared-random-for-players.patch

@@ -0,0 +1,37 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Thu, 11 May 2023 17:12:34 +0300
+Subject: [PATCH] Toggle shared random for players
+
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+index 778de435ca3c13ccc2f2d86030e3529436a2d945..cac747a46cccf8b115917a72340e9b81e7a437c9 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+@@ -216,8 +216,10 @@ public class KaiijuConfig {
+     }
+ 
+     public static String serverModName = "Kaiiju";
++    public static boolean sharedRandomForPlayers = true;
+ 
+     private static void gameplaySettings() {
+         serverModName = getString("gameplay.server-mod-name", serverModName);
++        sharedRandomForPlayers = getBoolean("gameplay.shared-random-for-players", sharedRandomForPlayers);
+     }
+ }
+diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
+index fa35d2c1c8de225acd68e08f15976c92f7ab82aa..455f9aeac15123201d2677cdc8ba159d36229e91 100644
+--- a/src/main/java/net/minecraft/world/entity/Entity.java
++++ b/src/main/java/net/minecraft/world/entity/Entity.java
+@@ -567,6 +567,11 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
+         this.bb = Entity.INITIAL_AABB;
+         this.stuckSpeedMultiplier = Vec3.ZERO;
+         this.nextStep = 1.0F;
++        // Kaiiju start - Toggle shared random for players
++        if (!dev.kaiijumc.kaiiju.KaiijuConfig.sharedRandomForPlayers && this instanceof Player)
++            this.random = RandomSource.create();
++        else
++        // Kaiiju end
+         this.random = SHARED_RANDOM; // Paper
+         this.remainingFireTicks = -this.getFireImmuneTicks();
+         this.fluidHeight = new Object2DoubleArrayMap(2);

patches/server/0019-Kick-player-instead-of-crashing.patch

@@ -0,0 +1,42 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Sun, 14 May 2023 18:50:57 +0300
+Subject: [PATCH] Kick player instead of crashing
+
+
+diff --git a/src/main/java/io/papermc/paper/chunk/system/RegionizedPlayerChunkLoader.java b/src/main/java/io/papermc/paper/chunk/system/RegionizedPlayerChunkLoader.java
+index c5df121d6194a97b20dc390698991b9c72dba538..9990fccc741a139c57528f70157ae63dbe3fd8e8 100644
+--- a/src/main/java/io/papermc/paper/chunk/system/RegionizedPlayerChunkLoader.java
++++ b/src/main/java/io/papermc/paper/chunk/system/RegionizedPlayerChunkLoader.java
+@@ -485,7 +485,12 @@ public class RegionizedPlayerChunkLoader {
+                     new ChunkPos(chunkX, chunkZ), new MutableObject<>(), false, true); // unloaded, loaded
+                 return;
+             }
+-            throw new IllegalStateException();
++            // Kaiiju - Kick player instead of crashing
++            String errorMsg = "Already sent chunk [" + chunkX + ", " + chunkZ + "] in world " + this.world;
++            this.player.getBukkitEntity().kickPlayer(errorMsg);
++            org.bukkit.Bukkit.getLogger().severe(errorMsg);
++            // throw new IllegalStateException();
++            // Kaiiju end
+         }
+ 
+         private void sendUnloadChunk(final int chunkX, final int chunkZ) {
+diff --git a/src/main/java/net/minecraft/server/level/ChunkHolder.java b/src/main/java/net/minecraft/server/level/ChunkHolder.java
+index 18f438eec03cabc1614ab807081cff6b18fb09a8..df3869d7aee9c1c880319251b40879c8802c72b4 100644
+--- a/src/main/java/net/minecraft/server/level/ChunkHolder.java
++++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java
+@@ -129,7 +129,12 @@ public class ChunkHolder {
+ 
+     public void addPlayer(ServerPlayer player) {
+         if (!this.playersSentChunkTo.add(player)) {
+-            throw new IllegalStateException("Already sent chunk " + this.pos + " in world '" + this.chunkMap.level.getWorld().getName() + "' to player " + player);
++            // Kaiiju start - Kick player instead of crashing
++            String errorMsg = "Already sent chunk " + this.pos + " in world " + this.chunkMap.level.getWorld().getName();
++            player.getBukkitEntity().kickPlayer(errorMsg);
++            org.bukkit.Bukkit.getLogger().severe(errorMsg);
++            //throw new IllegalStateException("Already sent chunk " + this.pos + " in world '" + this.chunkMap.level.getWorld().getName() + "' to player " + player);
++            // Kaiiju end
+         }
+     }
+ 

patches/server/0020-Toggle-fix-TripWire-state-inconsistency.patch

@@ -0,0 +1,36 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Thu, 18 May 2023 15:50:40 +0300
+Subject: [PATCH] Toggle fix TripWire state inconsistency
+
+This allow string duplication
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+index e7ee85b09aa4438868e068551280b13e84cdfdb8..8d7821d8b1a3615eaef1073d9dab690559b85f81 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+@@ -158,9 +158,11 @@ public class KaiijuWorldConfig {
+ 
+     public boolean fixVoidTrading = true;
+     public boolean breakRedstoneOnTopOfTrapDoorsEarly = true;
++    public boolean fixTripWireStateInconsistency = true;
+ 
+     private void gameplaySettings() {
+         fixVoidTrading = getBoolean("gameplay.fix-void-trading", fixVoidTrading);
+         breakRedstoneOnTopOfTrapDoorsEarly = getBoolean("gameplay.break-redstone-on-top-of-trap-doors-early", breakRedstoneOnTopOfTrapDoorsEarly);
++        fixTripWireStateInconsistency = getBoolean("gameplay.fix-tripwire-state-inconsistency", fixTripWireStateInconsistency);
+     }
+ }
+diff --git a/src/main/java/net/minecraft/world/level/block/TripWireBlock.java b/src/main/java/net/minecraft/world/level/block/TripWireBlock.java
+index cb2ff8d94308c637a498d2737f86f6af4c9c1b83..84c407dfd19924d12f1c25addbb613e607445fd9 100644
+--- a/src/main/java/net/minecraft/world/level/block/TripWireBlock.java
++++ b/src/main/java/net/minecraft/world/level/block/TripWireBlock.java
+@@ -78,7 +78,7 @@ public class TripWireBlock extends Block {
+     public void onRemove(BlockState state, Level world, BlockPos pos, BlockState newState, boolean moved) {
+         if (io.papermc.paper.configuration.GlobalConfiguration.get().blockUpdates.disableTripwireUpdates) return; // Paper - prevent adjacent tripwires from updating
+         if (!moved && !state.is(newState.getBlock())) {
+-            this.updateSource(world, pos, (BlockState) state.setValue(TripWireBlock.POWERED, true), true); // Paper - fix state inconsistency
++            this.updateSource(world, pos, (BlockState) state.setValue(TripWireBlock.POWERED, true), world.kaiijuConfig.fixTripWireStateInconsistency); // Paper - fix state inconsistency // Kaiiju - Toggle this
+         }
+     }
+ 

patches/server/0021-Entity-ticking-throttling-removal-to-prevent-lag.patch

@@ -0,0 +1,370 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Xymb <xymb@endcrystal.me>
+Date: Sun, 21 May 2023 15:55:04 +0200
+Subject: [PATCH] Entity ticking throttling & removal to prevent lag.
+
+
+diff --git a/build.gradle.kts b/build.gradle.kts
+index d73a4d547ad7768513773535d8cf15619c8079b0..f29c4621b3ab04aec026c9062c979a659d620738 100644
+--- a/build.gradle.kts
++++ b/build.gradle.kts
+@@ -23,6 +23,7 @@ dependencies {
+     implementation("com.github.luben:zstd-jni:1.5.4-1")
+     implementation("org.lz4:lz4-java:1.8.0")
+     // Kaiiju end
++    implementation("io.github.classgraph:classgraph:4.8.158") // Kaiiju - Entity throttling & Removal
+     // Paper start
+     implementation("org.jline:jline-terminal-jansi:3.21.0")
+     implementation("net.minecrell:terminalconsoleappender:1.3.0")
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuEntityLimits.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuEntityLimits.java
+new file mode 100644
+index 0000000000000000000000000000000000000000..887ea85ca2a03796bfa5bf62f27d1a7abd7fbc29
+--- /dev/null
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuEntityLimits.java
+@@ -0,0 +1,139 @@
++package dev.kaiijumc.kaiiju;
++
++import java.io.File;
++import java.io.IOException;
++import java.util.Map;
++import java.util.HashMap;
++import java.util.logging.Level;
++
++import com.google.common.base.Throwables;
++import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
++import io.github.classgraph.ClassGraph;
++import io.github.classgraph.ClassInfo;
++import io.github.classgraph.ScanResult;
++import org.slf4j.Logger;
++
++import com.mojang.logging.LogUtils;
++import net.minecraft.world.entity.Entity;
++import org.bukkit.Bukkit;
++import org.bukkit.configuration.InvalidConfigurationException;
++import org.bukkit.configuration.file.YamlConfiguration;
++
++@SuppressWarnings("unused")
++public class KaiijuEntityLimits {
++    private static final Logger LOGGER = LogUtils.getLogger();
++
++    protected static final String HEADER =
++        "Per region entity limits for Kaiiju.\n"
++        + "If there are more of particular entity type in a region than limit, entity ticking will be throttled.\n"
++        + "Example: for Wither limit 100 & 300 Withers in a region -> 100 Withers tick every tick & every Wither ticks every 3 ticks.\n"
++        + "Available entities: GlowSquid, Ambient, Bat, Animal, Bee, Cat, Chicken, Cod, Cow, Dolphin, Fish, FishSchool, Fox, Golem, IronGolem, "
++        + "MushroomCow, Ocelot, Panda, Parrot, Perchable, Pig, PolarBear, PufferFish, Rabbit, Salmon, Sheep, Snowman, Squid, TropicalFish, Turtle, "
++        + "WaterAnimal, Wolf, Allay, Axolotl, Camel, Frog, Tadpole, Goat, Horse, HorseAbstract, HorseChestedAbstract, HorseDonkey, HorseMule, "
++        + "HorseSkeleton, HorseZombie, Llama, LlamaTrader, Sniffer, EnderCrystal, EnderDragon, Wither, ArmorStand, Hanging, ItemFrame, Leash, "
++        + "Painting, GlowItemFrame, FallingBlock, Item, TNTPrimed, Blaze, CaveSpider, Creeper, Drowned, Enderman, Endermite, Evoker, Ghast, "
++        + "GiantZombie, Guardian, GuardianElder, IllagerAbstract, IllagerIllusioner, IllagerWizard, MagmaCube, Monster, MonsterPatrolling, Phantom, "
++        + "PigZombie, Pillager, Ravager, Shulker, Silverfish, Skeleton, SkeletonAbstract, SkeletonStray, SkeletonWither, Slime, Spider, Strider, Vex, "
++        + "Vindicator, Witch, Zoglin, Zombie, ZombieHusk, ZombieVillager, Hoglin, Piglin, PiglinAbstract, PiglinBrute, Warden, Villager, "
++        + "VillagerTrader, Arrow, DragonFireball, Egg, EnderPearl, EnderSignal, EvokerFangs, Fireball, FireballFireball, Fireworks, FishingHook, "
++        + "LargeFireball, LlamaSpit, Potion, Projectile, ProjectileThrowable, ShulkerBullet, SmallFireball, Snowball, SpectralArrow, ThrownExpBottle, "
++        + "ThrownTrident, TippedArrow, WitherSkull, Raider, ChestBoat, Boat, MinecartAbstract, MinecartChest, MinecartCommandBlock, MinecartContainer, "
++        + "MinecartFurnace, MinecartHopper, MinecartMobSpawner, MinecartRideable, MinecartTNT\n";
++    protected static File ENTITY_LIMITS_FILE;
++    public static YamlConfiguration entityLimitsConfig;
++
++    protected static Map<Class<? extends Entity>, EntityLimit> entityLimits;
++
++    static final String ENTITY_PREFIX = "Entity";
++
++    public static void init(File entityLimitsFile) {
++        init(entityLimitsFile, true);
++    }
++
++    public static void reload(File entityLimitsFile) {
++        init(entityLimitsFile, false);
++    }
++
++    private static void init(File entityLimitsFile, boolean setup) {
++        ENTITY_LIMITS_FILE = entityLimitsFile;
++        entityLimitsConfig = new YamlConfiguration();
++
++        if (entityLimitsFile.exists()) {
++            try {
++                entityLimitsConfig.load(ENTITY_LIMITS_FILE);
++            } catch (InvalidConfigurationException ex) {
++                Bukkit.getLogger().log(Level.SEVERE, "Could not load kaiiju_entity_limits.yml, please correct your syntax errors", ex);
++                throw Throwables.propagate(ex);
++            } catch (IOException ignore) {}
++        } else {
++            if (setup) {
++                entityLimitsConfig.options().header(HEADER);
++                entityLimitsConfig.options().copyDefaults(true);
++                entityLimitsConfig.set("Wither.limit", 1000);
++                entityLimitsConfig.set("Wither.removal", 5000);
++                entityLimitsConfig.set("Axolotl.limit", 1000);
++                entityLimitsConfig.set("Axolotl.removal", 5000);
++                try {
++                    entityLimitsConfig.save(ENTITY_LIMITS_FILE);
++                } catch (IOException ex) {
++                    Bukkit.getLogger().log(Level.SEVERE, "Could not save " + ENTITY_LIMITS_FILE, ex);
++                }
++            }
++        }
++
++        entityLimits = new Object2ObjectOpenHashMap<>();
++        try (ScanResult scanResult = new ClassGraph().enableAllInfo().acceptPackages("net.minecraft.world.entity").scan()) {
++            Map<String, ClassInfo> entityClasses = new HashMap<>();
++            for (ClassInfo classInfo : scanResult.getAllClasses()) {
++                Class<?> entityClass = Class.forName(classInfo.getName());
++                if (Entity.class.isAssignableFrom(entityClass)) {
++                    String entityName = extractEntityName(entityClass.getSimpleName());
++                    entityClasses.put(entityName, classInfo);
++                }
++            }
++
++            for (String key : entityLimitsConfig.getKeys(false)) {
++                if (!entityClasses.containsKey(key)) {
++                    LOGGER.error("Unknown entity '" + key + "' in kaiiju-entity-limits.yml, skipping");
++                    continue;
++                }
++                int limit = entityLimitsConfig.getInt(key + ".limit");
++                int removal = entityLimitsConfig.getInt(key + ".removal");
++
++                if (limit < 1) {
++                    LOGGER.error(key + " has a limit less than the minimum of 1, ignoring");
++                    continue;
++                }
++                if (removal <= limit && removal != -1) {
++                    LOGGER.error(key + " has a removal limit that is less than or equal to its limit, setting removal to limit * 10");
++                    removal = limit * 10;
++                }
++
++                entityLimits.put((Class<? extends Entity>) Class.forName(entityClasses.get(key).getName()), new EntityLimit(limit, removal));
++            }
++        } catch (ClassNotFoundException e) {
++            e.printStackTrace();
++        }
++    }
++
++    public static EntityLimit getEntityLimit(Entity entity) {
++        return entityLimits.get(entity.getClass());
++    }
++
++    private static String extractEntityName(String input) {
++        int prefixLength = ENTITY_PREFIX.length();
++
++        if (input.length() <= prefixLength || !input.startsWith(ENTITY_PREFIX)) {
++            return input;
++        } else {
++            return input.substring(prefixLength);
++        }
++    }
++
++    public record EntityLimit(int limit, int removal) {
++        @Override
++        public String toString() {
++            return "EntityLimit{limit=" + limit + ", removal=" + removal + "}";
++        }
++    }
++}
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuEntityThrottler.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuEntityThrottler.java
+new file mode 100644
+index 0000000000000000000000000000000000000000..eb690efacf083e4ff3e321578b12c534e6a40196
+--- /dev/null
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuEntityThrottler.java
+@@ -0,0 +1,84 @@
++package dev.kaiijumc.kaiiju;
++
++import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
++import net.minecraft.world.entity.Entity;
++import io.papermc.paper.threadedregions.RegionizedWorldData;
++
++public class KaiijuEntityThrottler {
++    private static class TickInfo {
++        int currentTick;
++        int continueFrom;
++        int toTick;
++        int toRemove;
++    }
++
++    public static class EntityThrottlerReturn {
++        public boolean skip;
++        public boolean remove;
++    }
++
++    private final Object2ObjectOpenHashMap<KaiijuEntityLimits.EntityLimit, TickInfo> entityLimitTickInfoMap = new Object2ObjectOpenHashMap<>();
++
++    public void tickLimiterStart() {
++        for (TickInfo tickInfo : entityLimitTickInfoMap.values()) {
++            tickInfo.currentTick = 0;
++        }
++    }
++
++    public EntityThrottlerReturn tickLimiterShouldSkip(Entity entity) {
++        EntityThrottlerReturn retVal = new EntityThrottlerReturn();
++        if (entity.isRemoved()) return retVal;
++        KaiijuEntityLimits.EntityLimit entityLimit = KaiijuEntityLimits.getEntityLimit(entity);
++
++        if (entityLimit != null) {
++            TickInfo tickInfo = entityLimitTickInfoMap.computeIfAbsent(entityLimit, el -> {
++                TickInfo newTickInfo = new TickInfo();
++                newTickInfo.toTick = entityLimit.limit();
++                return newTickInfo;
++            });
++
++            tickInfo.currentTick++;
++            if (tickInfo.currentTick <= tickInfo.toRemove && entityLimit.removal() > 0) {
++                retVal.skip = false;
++                retVal.remove = true;
++                return retVal;
++            }
++
++            if (tickInfo.currentTick < tickInfo.continueFrom) {
++                retVal.skip = true;
++                return retVal;
++            }
++            if (tickInfo.currentTick - tickInfo.continueFrom < tickInfo.toTick) {
++                retVal.skip = false;
++                return retVal;
++            }
++            retVal.skip = true;
++            return retVal;
++        } else {
++            retVal.skip = false;
++            return retVal;
++        }
++    }
++
++    public void tickLimiterFinish(RegionizedWorldData regionizedWorldData) {
++        for (var entry : entityLimitTickInfoMap.entrySet()) {
++            KaiijuEntityLimits.EntityLimit entityLimit = entry.getKey();
++            TickInfo tickInfo = entry.getValue();
++
++            int additionals = 0;
++            int nextContinueFrom = tickInfo.continueFrom + tickInfo.toTick;
++            if (nextContinueFrom >= tickInfo.currentTick) {
++                additionals = entityLimit.limit() - (tickInfo.currentTick - tickInfo.continueFrom);
++                nextContinueFrom = 0;
++            }
++            tickInfo.continueFrom = nextContinueFrom;
++            tickInfo.toTick = entityLimit.limit() + additionals;
++
++            if (tickInfo.toRemove == 0 && tickInfo.currentTick > entityLimit.removal()) {
++                tickInfo.toRemove = tickInfo.currentTick - entityLimit.removal();
++            } else if (tickInfo.toRemove != 0) {
++                tickInfo.toRemove = 0;
++            }
++        }
++    }
++}
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+index 8d7821d8b1a3615eaef1073d9dab690559b85f81..816db23fa64aab69e3034484c00645ebd0479978 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+@@ -149,11 +149,13 @@ public class KaiijuWorldConfig {
+     public boolean shulkerBoxDropContentsWhenDestroyed = true;
+     public boolean optimizeHoppers = true;
+     public boolean tickWhenEmpty = true;
++    public boolean enableEntityThrottling = false;
+ 
+     private void optimizationSettings() {
+         shulkerBoxDropContentsWhenDestroyed = getBoolean("optimization.shulker-box-drop-contents-when-destroyed", shulkerBoxDropContentsWhenDestroyed);
+         optimizeHoppers = getBoolean("optimization.optimize-hoppers", optimizeHoppers);
+         tickWhenEmpty = getBoolean("optimization.tick-when-empty", tickWhenEmpty);
++        enableEntityThrottling = getBoolean("optimization.enable-entity-throttling", enableEntityThrottling);
+     }
+ 
+     public boolean fixVoidTrading = true;
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/command/KaiijuCommand.java b/src/main/java/dev/kaiijumc/kaiiju/command/KaiijuCommand.java
+index 6fac162e0ec057af9f3336314d5663554cef0490..efecc7e132c67577577c99bfcf98e2b4ddae14ab 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/command/KaiijuCommand.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/command/KaiijuCommand.java
+@@ -1,6 +1,7 @@
+ package dev.kaiijumc.kaiiju.command;
+ 
+ import dev.kaiijumc.kaiiju.KaiijuConfig;
++import dev.kaiijumc.kaiiju.KaiijuEntityLimits;
+ import net.minecraft.server.MinecraftServer;
+ import net.minecraft.server.level.ServerLevel;
+ import net.md_5.bungee.api.ChatColor;
+@@ -48,6 +49,7 @@ public class KaiijuCommand extends Command {
+ 
+             MinecraftServer console = MinecraftServer.getServer();
+             KaiijuConfig.reload((File) console.options.valueOf("kaiiju-settings"));
++            KaiijuEntityLimits.reload((File) console.options.valueOf("kaiiju-entity-limits"));
+             for (ServerLevel level : console.getAllLevels()) {
+                 level.kaiijuConfig.reload();
+             }
+diff --git a/src/main/java/io/papermc/paper/threadedregions/RegionizedWorldData.java b/src/main/java/io/papermc/paper/threadedregions/RegionizedWorldData.java
+index 65c4e158d81ac5c5788cf4dcb379061aebd23dcd..223bf699d76e53b131b47256df288db60141fd9e 100644
+--- a/src/main/java/io/papermc/paper/threadedregions/RegionizedWorldData.java
++++ b/src/main/java/io/papermc/paper/threadedregions/RegionizedWorldData.java
+@@ -296,6 +296,7 @@ public final class RegionizedWorldData {
+     private final ReferenceList<Entity> allEntities = new ReferenceList<>();
+     private final IteratorSafeOrderedReferenceSet<Entity> entityTickList = new IteratorSafeOrderedReferenceSet<>();
+     private final IteratorSafeOrderedReferenceSet<Mob> navigatingMobs = new IteratorSafeOrderedReferenceSet<>();
++    public final dev.kaiijumc.kaiiju.KaiijuEntityThrottler entityThrottler = new dev.kaiijumc.kaiiju.KaiijuEntityThrottler(); // Kaiiju
+ 
+     // block ticking
+     private final ObjectLinkedOpenHashSet<BlockEventData> blockEvents = new ObjectLinkedOpenHashSet<>();
+diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+index 991e4c19763a34a6fead88363e007c2d11aad836..24a2d3f496727790f63cb66a2534d4423555fa3c 100644
+--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
++++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+@@ -225,6 +225,12 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
+             DedicatedServer.LOGGER.error("Unable to load server configuration", e);
+             return false;
+         }
++        try {
++            dev.kaiijumc.kaiiju.KaiijuEntityLimits.init((java.io.File) options.valueOf("kaiiju-entity-limits"));
++        } catch (Exception e) {
++            DedicatedServer.LOGGER.error("Unable to load entity limits", e);
++            return false;
++        }
+         gg.pufferfish.pufferfish.simd.SIMDChecker.simdWarning();
+         dev.kaiijumc.kaiiju.KaiijuConfig.registerCommands();
+         // Kaiiju end
+diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
+index 1818c5ae88c331fb900470436f72049165c9e9f4..7115a481bc8805333aa36af334132f98da9d8742 100644
+--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
++++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
+@@ -849,6 +849,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
+                 } // Folia end - region threading
+             }
+ 
++            if (kaiijuConfig.enableEntityThrottling) regionizedWorldData.entityThrottler.tickLimiterStart(); // Kaiiju
+             org.spigotmc.ActivationRange.activateEntities(this); // Spigot
+             timings.entityTick.startTiming(); // Spigot
+             regionizedWorldData.forEachTickingEntity((entity) -> { // Folia - regionised ticking
+@@ -871,6 +872,13 @@ public class ServerLevel extends Level implements WorldGenLevel {
+                                 entity.stopRiding();
+                             }
+ 
++                            // Kaiiju start
++                            if (kaiijuConfig.enableEntityThrottling) {
++                                dev.kaiijumc.kaiiju.KaiijuEntityThrottler.EntityThrottlerReturn throttle = regionizedWorldData.entityThrottler.tickLimiterShouldSkip(entity);
++                                if (throttle.remove && !entity.hasCustomName()) entity.remove(Entity.RemovalReason.DISCARDED);
++                                if (throttle.skip) return;
++                            }
++                            // Kaiiju end
+                             gameprofilerfiller.push("tick");
+                             this.guardEntityTick(this::tickNonPassenger, entity);
+                             gameprofilerfiller.pop();
+@@ -878,6 +886,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
+                     }
+                 }
+             });
++            if (kaiijuConfig.enableEntityThrottling) regionizedWorldData.entityThrottler.tickLimiterFinish(regionizedWorldData); // Kaiiju
+             timings.entityTick.stopTiming(); // Spigot
+             timings.tickEntities.stopTiming(); // Spigot
+             gameprofilerfiller.pop();
+diff --git a/src/main/java/org/bukkit/craftbukkit/Main.java b/src/main/java/org/bukkit/craftbukkit/Main.java
+index a090c16d53fcb220687a18aa37ca82663f4660c7..adad8d0cfec6c1b2be2c11ce847f64a92d39e1ec 100644
+--- a/src/main/java/org/bukkit/craftbukkit/Main.java
++++ b/src/main/java/org/bukkit/craftbukkit/Main.java
+@@ -179,6 +179,11 @@ public class Main {
+                     .ofType(File.class)
+                     .defaultsTo(new File("kaiiju.yml"))
+                     .describedAs("Yml file");
++                acceptsAll(asList("kaiiju", "kaiiju-entity-limits"), "File for kaiiju's entity limits")
++                    .withRequiredArg()
++                    .ofType(File.class)
++                    .defaultsTo(new File("kaiiju-entity-limits.yml"))
++                    .describedAs("Yml file");
+                 // Purpur end
+ 
+                 // Paper start

patches/server/0022-Toggle-safe-teleportation.patch

@@ -0,0 +1,53 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Thu, 18 May 2023 20:05:49 +0300
+Subject: [PATCH] Toggle safe teleportation
+
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+index 816db23fa64aab69e3034484c00645ebd0479978..7c6c74f95c2534624a928ccf6b0a4b9d2a5486ad 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+@@ -161,10 +161,12 @@ public class KaiijuWorldConfig {
+     public boolean fixVoidTrading = true;
+     public boolean breakRedstoneOnTopOfTrapDoorsEarly = true;
+     public boolean fixTripWireStateInconsistency = true;
++    public boolean safeTeleporting = true;
+ 
+     private void gameplaySettings() {
+         fixVoidTrading = getBoolean("gameplay.fix-void-trading", fixVoidTrading);
+         breakRedstoneOnTopOfTrapDoorsEarly = getBoolean("gameplay.break-redstone-on-top-of-trap-doors-early", breakRedstoneOnTopOfTrapDoorsEarly);
+         fixTripWireStateInconsistency = getBoolean("gameplay.fix-tripwire-state-inconsistency", fixTripWireStateInconsistency);
++        safeTeleporting = getBoolean("gameplay.safe-teleportation", safeTeleporting);
+     }
+ }
+diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
+index 455f9aeac15123201d2677cdc8ba159d36229e91..4f8abe7cc8a687e7b55108a9b78b12a1f3deecd3 100644
+--- a/src/main/java/net/minecraft/world/entity/Entity.java
++++ b/src/main/java/net/minecraft/world/entity/Entity.java
+@@ -3944,6 +3944,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
+ 
+     protected boolean tryEndPortal() {
+         io.papermc.paper.util.TickThread.ensureTickThread(this, "Cannot portal entity async");
++        if (!this.level.kaiijuConfig.safeTeleporting && !(this instanceof net.minecraft.world.entity.player.Player)) return false; // Kaiiju - Unsafe teleportation
+         BlockPos pos = this.portalBlock;
+         ServerLevel world = this.portalWorld;
+         this.portalBlock = null;
+diff --git a/src/main/java/net/minecraft/world/level/block/EndPortalBlock.java b/src/main/java/net/minecraft/world/level/block/EndPortalBlock.java
+index 41d7cff39fc37955877668337689b4b26cd8c7cf..fe21ef0a2c451564694de915f6f4e61dbfeed712 100644
+--- a/src/main/java/net/minecraft/world/level/block/EndPortalBlock.java
++++ b/src/main/java/net/minecraft/world/level/block/EndPortalBlock.java
+@@ -53,6 +53,13 @@ public class EndPortalBlock extends BaseEntityBlock {
+                 // return; // CraftBukkit - always fire event in case plugins wish to change it
+             }
+ 
++            // Kaiiju start - Unsafe teleportation
++            if (!entity.level().kaiijuConfig.safeTeleporting && !(entity instanceof net.minecraft.world.entity.player.Player)) {
++                entity.endPortalLogicAsync();
++                return;
++            }
++            // Kaiiju end
++
+             // Paper start - move all of this logic into portal tick
+             entity.portalWorld = ((ServerLevel)world);
+             entity.portalBlock = pos.immutable();

patches/server/0023-Toggle-sand-duplication.patch

@@ -0,0 +1,46 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Sun, 28 May 2023 01:51:52 +0300
+Subject: [PATCH] Toggle sand duplication
+
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+index 7c6c74f95c2534624a928ccf6b0a4b9d2a5486ad..9f0095f2196133a8bcffd5306aa9ac0b99b2f8d7 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+@@ -162,11 +162,13 @@ public class KaiijuWorldConfig {
+     public boolean breakRedstoneOnTopOfTrapDoorsEarly = true;
+     public boolean fixTripWireStateInconsistency = true;
+     public boolean safeTeleporting = true;
++    public boolean sandDuplication = false;
+ 
+     private void gameplaySettings() {
+         fixVoidTrading = getBoolean("gameplay.fix-void-trading", fixVoidTrading);
+         breakRedstoneOnTopOfTrapDoorsEarly = getBoolean("gameplay.break-redstone-on-top-of-trap-doors-early", breakRedstoneOnTopOfTrapDoorsEarly);
+         fixTripWireStateInconsistency = getBoolean("gameplay.fix-tripwire-state-inconsistency", fixTripWireStateInconsistency);
+         safeTeleporting = getBoolean("gameplay.safe-teleportation", safeTeleporting);
++        sandDuplication = getBoolean("gameplay.sand-duplication", sandDuplication);
+     }
+ }
+diff --git a/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java b/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java
+index 34b3541603b8cca16c7d62f3981d7ce3e8be0dbe..87d08f4d5bdec0ef96c0e4a91a2f595d2b0f0026 100644
+--- a/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java
++++ b/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java
+@@ -133,7 +133,7 @@ public class FallingBlockEntity extends Entity {
+     @Override
+     public void tick() {
+         // Paper start - fix sand duping
+-        if (this.isRemoved()) {
++        if (!this.level().kaiijuConfig.sandDuplication && this.isRemoved()) { // Kaiiju - Toggle sand duplication
+             return;
+         }
+         // Paper end - fix sand duping
+@@ -150,7 +150,7 @@ public class FallingBlockEntity extends Entity {
+             this.move(MoverType.SELF, this.getDeltaMovement());
+ 
+             // Paper start - fix sand duping
+-            if (this.isRemoved()) {
++            if (!this.level().kaiijuConfig.sandDuplication && this.isRemoved()) { // Kaiiju - Toggle sand duplication
+                 return;
+             }
+             // Paper end - fix sand duping

patches/server/0024-Vanilla-end-portal-teleportation.patch

@@ -0,0 +1,50 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Fri, 19 May 2023 03:38:03 +0300
+Subject: [PATCH] Vanilla end portal teleportation
+
+
+diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
+index 4f8abe7cc8a687e7b55108a9b78b12a1f3deecd3..7c57675adc33d7c5525cdf8ebfd696a0e756c9a7 100644
+--- a/src/main/java/net/minecraft/world/entity/Entity.java
++++ b/src/main/java/net/minecraft/world/entity/Entity.java
+@@ -4030,12 +4030,17 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
+                         targetPos, 16, // load 16 blocks to be safe from block physics
+                         ca.spottedleaf.concurrentutil.executor.standard.PrioritisedExecutor.Priority.HIGH,
+                         (chunks) -> {
+-                            ServerLevel.makeObsidianPlatform(destination, null, targetPos);
++                            //ServerLevel.makeObsidianPlatform(destination, null, targetPos); // Kaiiju - Vanilla end teleportation - moved down
+ 
++                            // Kaiiju start - Vanilla end teleportation
++                            Vec3 finalPos;
++                            if (this instanceof Player) finalPos = Vec3.atBottomCenterOf(targetPos.below());
++                            else finalPos = Vec3.atBottomCenterOf(targetPos);
++                            // Kaiiju end
+                             // the portal obsidian is placed at targetPos.y - 2, so if we want to place the entity
+                             // on the obsidian, we need to spawn at targetPos.y - 1
+                             portalInfoCompletable.complete(
+-                                new PortalInfo(Vec3.atBottomCenterOf(targetPos.below()), Vec3.ZERO, 90.0f, 0.0f, destination, null)
++                                new PortalInfo(finalPos, this.getDeltaMovement(), 90.0f, 0.0f, destination, null) // Kaiiju - Vanilla end teleportation
+                             );
+                         }
+                     );
+@@ -4222,6 +4227,10 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
+         if (!this.canPortalAsync(takePassengers)) {
+             return false;
+         }
++        // Kaiiju start - sync end platform spawning & entity teleportation
++        final java.util.function.Consumer<Entity> tpComplete = type == PortalType.END && destination.getTypeKey() == LevelStem.END ?
++              e -> ServerLevel.makeObsidianPlatform(destination, null, ServerLevel.END_SPAWN_POINT) : teleportComplete;
++        // Kaiiju end
+ 
+         Vec3 initialPosition = this.position();
+         ChunkPos initialPositionChunk = new ChunkPos(
+@@ -4280,7 +4289,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
+             // place
+             passengerTree.root.placeInAsync(
+                 originWorld, destination, Entity.TELEPORT_FLAG_LOAD_CHUNK | (takePassengers ? Entity.TELEPORT_FLAG_TELEPORT_PASSENGERS : 0L),
+-                passengerTree, teleportComplete
++                passengerTree, tpComplete // Kaiiju - vanilla end teleportation
+             );
+         });
+ 

patches/server/0025-Swap-distanceToSqr-and-target-test.patch

@@ -0,0 +1,46 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Xymb <xymb@endcrystal.me>
+Date: Sat, 17 Jun 2023 19:52:29 +0300
+Subject: [PATCH] Swap distanceToSqr and target test
+
+
+diff --git a/src/main/java/net/minecraft/world/level/EntityGetter.java b/src/main/java/net/minecraft/world/level/EntityGetter.java
+index b1a6a66ed02706c1adc36dcedfa415f5a24a25a0..97a5eca200fd606d6102e40f9b8c32c2e7652cf9 100644
+--- a/src/main/java/net/minecraft/world/level/EntityGetter.java
++++ b/src/main/java/net/minecraft/world/level/EntityGetter.java
+@@ -99,9 +99,9 @@ public interface EntityGetter {
+         Player player = null;
+ 
+         for(Player player2 : this.getLocalPlayers()) { // Folia - region threading
+-            if (targetPredicate == null || targetPredicate.test(player2)) {
++            if (true || targetPredicate == null || targetPredicate.test(player2)) { // Kaiiju - Move this down
+                 double e = player2.distanceToSqr(x, y, z);
+-                if ((maxDistance < 0.0D || e < maxDistance * maxDistance) && (d == -1.0D || e < d)) {
++                if ((maxDistance < 0.0D || e < maxDistance * maxDistance) && (d == -1.0D || e < d) && (targetPredicate == null || targetPredicate.test(player2))) { // Kaiiju
+                     d = e;
+                     player = player2;
+                 }
+@@ -147,9 +147,10 @@ public interface EntityGetter {
+     // Paper start
+     default boolean hasNearbyAlivePlayerThatAffectsSpawning(double x, double y, double z, double range) {
+         for (Player player : this.getLocalPlayers()) { // Folia - region threading
+-            if (EntitySelector.PLAYER_AFFECTS_SPAWNING.test(player)) { // combines NO_SPECTATORS and LIVING_ENTITY_STILL_ALIVE with an "affects spawning" check
++            if (true || EntitySelector.PLAYER_AFFECTS_SPAWNING.test(player)) { // combines NO_SPECTATORS and LIVING_ENTITY_STILL_ALIVE with an "affects spawning" check // Kaiiju - Move this down
+                 double distanceSqr = player.distanceToSqr(x, y, z);
+                 if (range < 0.0D || distanceSqr < range * range) {
++                    if (EntitySelector.PLAYER_AFFECTS_SPAWNING.test(player)) // Kaiiju
+                     return true;
+                 }
+             }
+@@ -199,9 +200,9 @@ public interface EntityGetter {
+         T livingEntity = null;
+ 
+         for(T livingEntity2 : entityList) {
+-            if (targetPredicate.test(entity, livingEntity2)) {
++            if (true || targetPredicate.test(entity, livingEntity2)) { // Kaiiju - Move this down
+                 double e = livingEntity2.distanceToSqr(x, y, z);
+-                if (d == -1.0D || e < d) {
++                if ((d == -1.0D || e < d) && targetPredicate.test(entity, livingEntity2)) { // Kaiiju
+                     d = e;
+                     livingEntity = livingEntity2;
+                 }

patches/server/0026-Use-Math.floor-instead-of-fastfloor.patch

@@ -0,0 +1,34 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Xymb <xymb@endcrystal.me>
+Date: Sat, 17 Jun 2023 21:03:04 +0300
+Subject: [PATCH] Use Math.floor instead of fastfloor
+
+
+diff --git a/src/main/java/io/papermc/paper/util/MCUtil.java b/src/main/java/io/papermc/paper/util/MCUtil.java
+index cadb91c7f5ef80aac8513f246fdf481947fa0a17..c1a2d67cb62af94c8bb4dff97f4fcb47542562dd 100644
+--- a/src/main/java/io/papermc/paper/util/MCUtil.java
++++ b/src/main/java/io/papermc/paper/util/MCUtil.java
+@@ -168,13 +168,19 @@ public final class MCUtil {
+     }
+ 
+     public static int fastFloor(double x) {
+-        int truncated = (int)x;
+-        return x < (double)truncated ? truncated - 1 : truncated;
++        // Kaiiju start - Use Math.floor instead of fastfloor
++        return (int)Math.floor(x); // Kaiiju
++        //int truncated = (int)x;
++        //return x < (double)truncated ? truncated - 1 : truncated;
++        // Kaiiju end
+     }
+ 
+     public static int fastFloor(float x) {
+-        int truncated = (int)x;
+-        return x < (double)truncated ? truncated - 1 : truncated;
++        // Kaiiju start - Use Math.floor instead of fastfloor
++        return (int)Math.floor(x); // Kaiiju
++        //int truncated = (int)x;
++        //return x < (double)truncated ? truncated - 1 : truncated;
++        // Kaiiju end
+     }
+ 
+     public static float normalizeYaw(float f) {

patches/server/0027-Allow-user-to-enable-moving-into-unloaded-chunks.patch

@@ -0,0 +1,27 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Sun, 18 Jun 2023 18:10:19 +0300
+Subject: [PATCH] Allow user to enable moving into unloaded chunks
+
+
+diff --git a/src/main/java/io/papermc/paper/configuration/WorldConfiguration.java b/src/main/java/io/papermc/paper/configuration/WorldConfiguration.java
+index 571c18117d7f85eddff31d535c09b46e0e9e4341..afaaa7fc06b4c0c1a355fdd3280003cfed40429e 100644
+--- a/src/main/java/io/papermc/paper/configuration/WorldConfiguration.java
++++ b/src/main/java/io/papermc/paper/configuration/WorldConfiguration.java
+@@ -463,14 +463,14 @@ public class WorldConfiguration extends ConfigurationPart {
+     public class Chunks extends Post {
+         @Override
+         public void postProcess() {
+-            this.preventMovingIntoUnloadedChunks = true;
++            //this.preventMovingIntoUnloadedChunks = true; // Kaiiju - Don't
+         }
+         // Folia end - region threading - force prevent moving into unloaded chunks
+ 
+         public AutosavePeriod autoSaveInterval = AutosavePeriod.def();
+         public int maxAutoSaveChunksPerTick = 24;
+         public int fixedChunkInhabitedTime = -1;
+-        public boolean preventMovingIntoUnloadedChunks = false;
++        public boolean preventMovingIntoUnloadedChunks = true; // Kaiiju - True not False
+         public Duration delayChunkUnloadsBy = Duration.of("10s");
+         public Reference2IntMap<EntityType<?>> entityPerChunkSaveLimit = Util.make(new Reference2IntOpenHashMap<>(BuiltInRegistries.ENTITY_TYPE.size()), map -> {
+             map.defaultReturnValue(-1);

patches/server/0028-Don-t-pathfind-outside-region.patch

@@ -0,0 +1,20 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Mon, 19 Jun 2023 01:49:00 +0300
+Subject: [PATCH] Don't pathfind outside region
+
+
+diff --git a/src/main/java/net/minecraft/world/entity/ai/behavior/MoveToTargetSink.java b/src/main/java/net/minecraft/world/entity/ai/behavior/MoveToTargetSink.java
+index 1ab77f3518d1df30f66ae44d7d4fa69e5b32d93a..98bf17441da3169d49de55fe89d79ebe250a2b7e 100644
+--- a/src/main/java/net/minecraft/world/entity/ai/behavior/MoveToTargetSink.java
++++ b/src/main/java/net/minecraft/world/entity/ai/behavior/MoveToTargetSink.java
+@@ -107,7 +107,9 @@ public class MoveToTargetSink extends Behavior<Mob> {
+ 
+     private boolean tryComputePath(Mob entity, WalkTarget walkTarget, long time) {
+         BlockPos blockPos = walkTarget.getTarget().currentBlockPosition();
++        if (io.papermc.paper.util.TickThread.isTickThreadFor((ServerLevel) entity.level(), blockPos)) // Kaiiju - Don't pathfind outside region
+         this.path = entity.getNavigation().createPath(blockPos, 0);
++        else this.path = null; // Kaiiju - Don't pathfind outside region
+         this.speedModifier = walkTarget.getSpeedModifier();
+         Brain<?> brain = entity.getBrain();
+         if (this.reachedTarget(entity, walkTarget)) {

patches/server/0029-Don-t-spam-recipe-changes-on-update.patch

@@ -0,0 +1,32 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Mon, 19 Jun 2023 21:30:19 +0300
+Subject: [PATCH] Don't spam recipe changes on update
+
+
+diff --git a/src/main/java/net/minecraft/server/PlayerAdvancements.java b/src/main/java/net/minecraft/server/PlayerAdvancements.java
+index acc49f66bf34e2507d0ee6fec0a56b11bfc68f46..6c705189b84542db584039763821b222df03e5d1 100644
+--- a/src/main/java/net/minecraft/server/PlayerAdvancements.java
++++ b/src/main/java/net/minecraft/server/PlayerAdvancements.java
+@@ -147,7 +147,7 @@ public class PlayerAdvancements {
+                         if (advancement == null) {
+                             // CraftBukkit start
+                             if (entry.getKey().getNamespace().equals("minecraft")) {
+-                                PlayerAdvancements.LOGGER.warn("Ignored advancement '{}' in progress file {} - it doesn't exist anymore?", entry.getKey(), this.playerSavePath);
++                                //PlayerAdvancements.LOGGER.warn("Ignored advancement '{}' in progress file {} - it doesn't exist anymore?", entry.getKey(), this.playerSavePath); // Kaiiju - We already know, don't spam.
+                             }
+                             // CraftBukkit end
+                         } else {
+diff --git a/src/main/java/net/minecraft/stats/ServerRecipeBook.java b/src/main/java/net/minecraft/stats/ServerRecipeBook.java
+index ea29e07a105f3ba6a878bdccf36e7eaf66280280..8bbb5feea4190344fd6b3a3ae9f1c3cae578b9a6 100644
+--- a/src/main/java/net/minecraft/stats/ServerRecipeBook.java
++++ b/src/main/java/net/minecraft/stats/ServerRecipeBook.java
+@@ -125,7 +125,7 @@ public class ServerRecipeBook extends RecipeBook {
+                 Optional<? extends Recipe<?>> optional = recipeManager.byKey(minecraftkey);
+ 
+                 if (!optional.isPresent()) {
+-                    ServerRecipeBook.LOGGER.error("Tried to load unrecognized recipe: {} removed now.", minecraftkey);
++                    //ServerRecipeBook.LOGGER.error("Tried to load unrecognized recipe: {} removed now.", minecraftkey); // Kaiiju - We already know, don't spam.
+                 } else {
+                     handler.accept((Recipe) optional.get());
+                 }

patches/server/0030-Option-to-disable-vanish-api.patch

@@ -0,0 +1,38 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Xymb <xymb@endcrystal.me>
+Date: Thu, 22 Jun 2023 00:14:47 +0200
+Subject: [PATCH] Option to disable vanish api
+
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+index cac747a46cccf8b115917a72340e9b81e7a437c9..a3c15f1009dad095b9411242e2d0347a6141984b 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+@@ -212,7 +212,10 @@ public class KaiijuConfig {
+         alternateKeepAlive = getBoolean("network.alternate-keepalive", alternateKeepAlive);
+     }
+ 
++    public static boolean disableVanishApi = false;
++
+     private static void optimizationSettings() {
++        disableVanishApi = getBoolean("optimization.disable-vanish-api", disableVanishApi);
+     }
+ 
+     public static String serverModName = "Kaiiju";
+diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
+index 2b9ec3e7ddb5f5d18553bf82717405552f441f45..96ee7b65f292ac86ffa8c5d371e283eba9bd1133 100644
+--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
++++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
+@@ -1362,7 +1362,11 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
+                 // Folia end - region threading
+ 
+                 // CraftBukkit start - respect vanish API
+-                if (flag && !io.papermc.paper.util.TickThread.isTickThreadFor(player) || !player.getBukkitEntity().canSee(this.entity.getBukkitEntity())) { // Folia - region threading
++                // Kaiiju start - don't respect vanish API >:D
++                boolean canSee = true;
++                if (flag && !dev.kaiijumc.kaiiju.KaiijuConfig.disableVanishApi) canSee = player.getBukkitEntity().canSee(this.entity.getBukkitEntity());
++                if (!io.papermc.paper.util.TickThread.isTickThreadFor(player) || !canSee) { // Folia - region threading
++                // Kaiiju end
+                     flag = false;
+                 }
+                 // CraftBukkit end

patches/server/0031-Option-to-disable-player-stats.patch

@@ -0,0 +1,34 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Xymb <xymb@endcrystal.me>
+Date: Thu, 22 Jun 2023 00:17:57 +0200
+Subject: [PATCH] Option to disable player stats
+
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+index a3c15f1009dad095b9411242e2d0347a6141984b..8c872b2ad341f0105275209201fda03706535161 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+@@ -213,9 +213,11 @@ public class KaiijuConfig {
+     }
+ 
+     public static boolean disableVanishApi = false;
++    public static boolean disablePlayerStats = false;
+ 
+     private static void optimizationSettings() {
+         disableVanishApi = getBoolean("optimization.disable-vanish-api", disableVanishApi);
++        disablePlayerStats = getBoolean("optimization.disable-player-stats", disablePlayerStats);
+     }
+ 
+     public static String serverModName = "Kaiiju";
+diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
+index 7cb6a0b99c8e51f7f767b704071473c5d8bded7d..e0e7e0a2f60aff5bc8c625988860036722707da8 100644
+--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
++++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
+@@ -2143,6 +2143,7 @@ public class ServerPlayer extends Player {
+ 
+     @Override
+     public void awardStat(Stat<?> stat, int amount) {
++        if (dev.kaiijumc.kaiiju.KaiijuConfig.disablePlayerStats) return; // Kaiiju - Disable player stats
+         this.stats.increment(this, stat, amount);
+         this.level().getCraftServer().getScoreboardManager().getScoreboardScores(stat, this.getScoreboardName(), (scoreboardscore) -> { // CraftBukkit - Get our scores instead
+             scoreboardscore.add(amount);

patches/server/0032-Option-to-disable-achievements.patch

@@ -0,0 +1,175 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Xymb <xymb@endcrystal.me>
+Date: Thu, 22 Jun 2023 00:32:36 +0200
+Subject: [PATCH] Option to disable achievements
+
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+index 9f0095f2196133a8bcffd5306aa9ac0b99b2f8d7..31d66bb2fcf4bb7262df2d8006e307fee92660ea 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+@@ -150,12 +150,14 @@ public class KaiijuWorldConfig {
+     public boolean optimizeHoppers = true;
+     public boolean tickWhenEmpty = true;
+     public boolean enableEntityThrottling = false;
++    public boolean disableAchievements = false;
+ 
+     private void optimizationSettings() {
+         shulkerBoxDropContentsWhenDestroyed = getBoolean("optimization.shulker-box-drop-contents-when-destroyed", shulkerBoxDropContentsWhenDestroyed);
+         optimizeHoppers = getBoolean("optimization.optimize-hoppers", optimizeHoppers);
+         tickWhenEmpty = getBoolean("optimization.tick-when-empty", tickWhenEmpty);
+         enableEntityThrottling = getBoolean("optimization.enable-entity-throttling", enableEntityThrottling);
++        disableAchievements = getBoolean("optimization.disable-achievements", disableAchievements);
+     }
+ 
+     public boolean fixVoidTrading = true;
+diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
+index e0e7e0a2f60aff5bc8c625988860036722707da8..6f1878a8a0c904322286079f500592a268a269e9 100644
+--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
++++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
+@@ -792,7 +792,7 @@ public class ServerPlayer extends Player {
+ 
+     @Override
+     protected void onInsideBlock(BlockState state) {
+-        CriteriaTriggers.ENTER_BLOCK.trigger(this, state);
++        if (!this.level().kaiijuConfig.disableAchievements) CriteriaTriggers.ENTER_BLOCK.trigger(this, state); // Kaiiju
+     }
+ 
+     @Override
+@@ -839,9 +839,9 @@ public class ServerPlayer extends Player {
+             }
+         }
+ 
+-        CriteriaTriggers.TICK.trigger(this);
++        if (!this.level().kaiijuConfig.disableAchievements) CriteriaTriggers.TICK.trigger(this); // Kaiiju
+         if (this.levitationStartPos != null) {
+-            CriteriaTriggers.LEVITATION.trigger(this, this.levitationStartPos, this.tickCount - this.levitationStartTime);
++            if (!this.level().kaiijuConfig.disableAchievements) CriteriaTriggers.LEVITATION.trigger(this, this.levitationStartPos, this.tickCount - this.levitationStartTime); // Kaiiju
+         }
+ 
+         this.trackStartFallingPosition();
+@@ -916,7 +916,7 @@ public class ServerPlayer extends Player {
+             }
+ 
+             if (this.tickCount % 20 == 0) {
+-                CriteriaTriggers.LOCATION.trigger(this);
++                if (!this.level().kaiijuConfig.disableAchievements) CriteriaTriggers.LOCATION.trigger(this); // Kaiiju
+             }
+ 
+             // CraftBukkit start - initialize oldLevel, fire PlayerLevelChangeEvent, and tick client-sided world border
+@@ -945,7 +945,7 @@ public class ServerPlayer extends Player {
+     @Override
+     public void resetFallDistance() {
+         if (this.getHealth() > 0.0F && this.startingToFallPosition != null) {
+-            CriteriaTriggers.FALL_FROM_HEIGHT.trigger(this, this.startingToFallPosition);
++            if (!this.level().kaiijuConfig.disableAchievements) CriteriaTriggers.FALL_FROM_HEIGHT.trigger(this, this.startingToFallPosition); // Kaiiju
+         }
+ 
+         this.startingToFallPosition = null;
+@@ -964,7 +964,7 @@ public class ServerPlayer extends Player {
+             if (this.enteredLavaOnVehiclePosition == null) {
+                 this.enteredLavaOnVehiclePosition = this.position();
+             } else {
+-                CriteriaTriggers.RIDE_ENTITY_IN_LAVA_TRIGGER.trigger(this, this.enteredLavaOnVehiclePosition);
++                if (!this.level().kaiijuConfig.disableAchievements) CriteriaTriggers.RIDE_ENTITY_IN_LAVA_TRIGGER.trigger(this, this.enteredLavaOnVehiclePosition); // Kaiiju
+             }
+         }
+ 
+@@ -1168,7 +1168,7 @@ public class ServerPlayer extends Player {
+ 
+             this.handleTeamKill(s, s1, ObjectiveCriteria.TEAM_KILL);
+             this.handleTeamKill(s1, s, ObjectiveCriteria.KILLED_BY_TEAM);
+-            CriteriaTriggers.PLAYER_KILLED_ENTITY.trigger(this, entityKilled, damageSource);
++            if (!this.level().kaiijuConfig.disableAchievements) CriteriaTriggers.PLAYER_KILLED_ENTITY.trigger(this, entityKilled, damageSource); // Kaiiju
+         }
+     }
+ 
+@@ -1286,7 +1286,7 @@ public class ServerPlayer extends Player {
+         this.wonGame = false;
+ 
+         this.respawn((player) -> {
+-            CriteriaTriggers.CHANGED_DIMENSION.trigger(player, Level.END, Level.OVERWORLD);
++            if (!this.level().kaiijuConfig.disableAchievements) CriteriaTriggers.CHANGED_DIMENSION.trigger(player, Level.END, Level.OVERWORLD); // Kaiiju
+         }, true);
+     }
+ 
+@@ -1787,14 +1787,14 @@ public class ServerPlayer extends Player {
+             maindimensionkey1 = resourcekey1;
+         }
+         // Paper end
+-        CriteriaTriggers.CHANGED_DIMENSION.trigger(this, maindimensionkey, maindimensionkey1);
++        if (!this.level().kaiijuConfig.disableAchievements) CriteriaTriggers.CHANGED_DIMENSION.trigger(this, maindimensionkey, maindimensionkey1); // Kaiiju
+         if (maindimensionkey != resourcekey || maindimensionkey1 != resourcekey1) {
+-            CriteriaTriggers.CHANGED_DIMENSION.trigger(this, resourcekey, resourcekey1);
++            if (!this.level().kaiijuConfig.disableAchievements) CriteriaTriggers.CHANGED_DIMENSION.trigger(this, resourcekey, resourcekey1); // Kaiiju
+         }
+ 
+         if (maindimensionkey == Level.NETHER && maindimensionkey1 == Level.OVERWORLD && this.enteredNetherPosition != null) {
+             // CraftBukkit end
+-            CriteriaTriggers.NETHER_TRAVEL.trigger(this, this.enteredNetherPosition);
++            if (!this.level().kaiijuConfig.disableAchievements) CriteriaTriggers.NETHER_TRAVEL.trigger(this, this.enteredNetherPosition); // Kaiiju
+         }
+ 
+         if (maindimensionkey1 != Level.NETHER) { // CraftBukkit
+@@ -1872,7 +1872,7 @@ public class ServerPlayer extends Player {
+                 {
+                     Either<Player.BedSleepingProblem, Unit> either = super.startSleepInBed(blockposition, force).ifRight((unit) -> {
+                         this.awardStat(Stats.SLEEP_IN_BED);
+-                        CriteriaTriggers.SLEPT_IN_BED.trigger(this);
++                        if (!this.level().kaiijuConfig.disableAchievements) CriteriaTriggers.SLEPT_IN_BED.trigger(this); // Kaiiju
+                     });
+ 
+                     if (!this.serverLevel().canSleepThroughNights()) {
+@@ -2163,7 +2163,7 @@ public class ServerPlayer extends Player {
+ 
+     @Override
+     public void triggerRecipeCrafted(Recipe<?> recipe, List<ItemStack> ingredients) {
+-        CriteriaTriggers.RECIPE_CRAFTED.trigger(this, recipe.getId(), ingredients);
++        if (!this.level().kaiijuConfig.disableAchievements) CriteriaTriggers.RECIPE_CRAFTED.trigger(this, recipe.getId(), ingredients); // Kaiiju
+     }
+ 
+     @Override
+@@ -2292,14 +2292,14 @@ public class ServerPlayer extends Player {
+             this.levitationStartPos = this.position();
+         }
+ 
+-        CriteriaTriggers.EFFECTS_CHANGED.trigger(this, source);
++        if (!this.level().kaiijuConfig.disableAchievements) CriteriaTriggers.EFFECTS_CHANGED.trigger(this, source); // Kaiiju
+     }
+ 
+     @Override
+     protected void onEffectUpdated(MobEffectInstance effect, boolean reapplyEffect, @Nullable Entity source) {
+         super.onEffectUpdated(effect, reapplyEffect, source);
+         this.connection.send(new ClientboundUpdateMobEffectPacket(this.getId(), effect));
+-        CriteriaTriggers.EFFECTS_CHANGED.trigger(this, source);
++        if (!this.level().kaiijuConfig.disableAchievements) CriteriaTriggers.EFFECTS_CHANGED.trigger(this, source); // Kaiiju
+     }
+ 
+     @Override
+@@ -2310,7 +2310,7 @@ public class ServerPlayer extends Player {
+             this.levitationStartPos = null;
+         }
+ 
+-        CriteriaTriggers.EFFECTS_CHANGED.trigger(this, (Entity) null);
++        if (!this.level().kaiijuConfig.disableAchievements) CriteriaTriggers.EFFECTS_CHANGED.trigger(this, (Entity) null); // Kaiiju
+     }
+ 
+     @Override
+@@ -2870,7 +2870,7 @@ public class ServerPlayer extends Player {
+ 
+     @Override
+     protected void updateUsingItem(ItemStack stack) {
+-        CriteriaTriggers.USING_ITEM.trigger(this, stack);
++        if (!this.level().kaiijuConfig.disableAchievements) CriteriaTriggers.USING_ITEM.trigger(this, stack); // Kaiiju
+         super.updateUsingItem(stack);
+     }
+ 
+@@ -2899,7 +2899,7 @@ public class ServerPlayer extends Player {
+         Entity entity = item.getOwner();
+ 
+         if (entity != null) {
+-            CriteriaTriggers.THROWN_ITEM_PICKED_UP_BY_PLAYER.trigger(this, item.getItem(), entity);
++            if (!this.level().kaiijuConfig.disableAchievements) CriteriaTriggers.THROWN_ITEM_PICKED_UP_BY_PLAYER.trigger(this, item.getItem(), entity); // Kaiiju
+         }
+ 
+     }

patches/server/0033-Option-to-disable-arm-swing-event.patch

@@ -0,0 +1,43 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Xymb <xymb@endcrystal.me>
+Date: Thu, 22 Jun 2023 00:37:27 +0200
+Subject: [PATCH] Option to disable arm swing event
+
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+index 8c872b2ad341f0105275209201fda03706535161..9b118a6e22264c88c0460016822b1920631fff85 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+@@ -214,10 +214,12 @@ public class KaiijuConfig {
+ 
+     public static boolean disableVanishApi = false;
+     public static boolean disablePlayerStats = false;
++    public static boolean disableArmSwingEvent = false;
+ 
+     private static void optimizationSettings() {
+         disableVanishApi = getBoolean("optimization.disable-vanish-api", disableVanishApi);
+         disablePlayerStats = getBoolean("optimization.disable-player-stats", disablePlayerStats);
++        disableArmSwingEvent = getBoolean("optimization.disable-arm-swing-event", disableArmSwingEvent);
+     }
+ 
+     public static String serverModName = "Kaiiju";
+diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+index 564b2e668d50f05863080288d20bd54077588db9..78ac2b47335961b15a8dd8851d17b79c249bc275 100644
+--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
++++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+@@ -2705,6 +2705,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
+         PacketUtils.ensureRunningOnSameThread(packet, this, this.player.serverLevel());
+         if (this.player.isImmobile()) return; // CraftBukkit
+         this.player.resetLastActionTime();
++        if (!dev.kaiijumc.kaiiju.KaiijuConfig.disableArmSwingEvent) { // Kaiiju
+         // CraftBukkit start - Raytrace to look for 'rogue armswings'
+         float f1 = this.player.getXRot();
+         float f2 = this.player.getYRot();
+@@ -2737,6 +2738,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
+ 
+         if (event.isCancelled()) return;
+         // CraftBukkit end
++        } // Kaiiju
+         this.player.swing(packet.getHand());
+     }
+ 

patches/server/0034-Option-to-disable-creatures-spawn-events.patch

@@ -0,0 +1,63 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Xymb <xymb@endcrystal.me>
+Date: Thu, 22 Jun 2023 00:47:57 +0200
+Subject: [PATCH] Option to disable creatures spawn events
+
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+index 31d66bb2fcf4bb7262df2d8006e307fee92660ea..c9830912019079369268bfbf2c95de18ad598f52 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+@@ -151,6 +151,7 @@ public class KaiijuWorldConfig {
+     public boolean tickWhenEmpty = true;
+     public boolean enableEntityThrottling = false;
+     public boolean disableAchievements = false;
++    public boolean disableCreaturesSpawnEvents = false;
+ 
+     private void optimizationSettings() {
+         shulkerBoxDropContentsWhenDestroyed = getBoolean("optimization.shulker-box-drop-contents-when-destroyed", shulkerBoxDropContentsWhenDestroyed);
+@@ -158,6 +159,7 @@ public class KaiijuWorldConfig {
+         tickWhenEmpty = getBoolean("optimization.tick-when-empty", tickWhenEmpty);
+         enableEntityThrottling = getBoolean("optimization.enable-entity-throttling", enableEntityThrottling);
+         disableAchievements = getBoolean("optimization.disable-achievements", disableAchievements);
++        disableCreaturesSpawnEvents = getBoolean("optimization.disable-creatures-spawn-events", disableCreaturesSpawnEvents);
+     }
+ 
+     public boolean fixVoidTrading = true;
+diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
+index af35fd63b090aa3d89bc60cb9cb7694b5f502681..e5dded0363b14608e834e63e678563b1423d66e7 100644
+--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
++++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
+@@ -486,21 +486,29 @@ public class ServerChunkCache extends ChunkSource {
+                 chunkRange = (chunkRange > viewDistance) ? (byte)viewDistance : chunkRange;
+                 chunkRange = (chunkRange > DistanceManager.MOB_SPAWN_RANGE) ? DistanceManager.MOB_SPAWN_RANGE : chunkRange;
+ 
+-                com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent event = new com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent(player.getBukkitEntity(), (byte)chunkRange);
++                // Kaiiju start - disable creatures spawn events
++                com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent event = null;
++                if (!this.level.kaiijuConfig.disableCreaturesSpawnEvents) {
++                event = new com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent(player.getBukkitEntity(), (byte)chunkRange);
++                // Kaiiju end
+                 event.callEvent();
+                 if (event.isCancelled() || event.getSpawnRadius() < 0) { // Folia - region threading
+                     player.lastEntitySpawnRadiusSquared = -1.0; player.playerNaturallySpawnedEvent = null;  // Folia - region threading
+                     regionizedWorldData.mobSpawnMap.remove(player); // Folia - region threading
+                     continue;
+                 }
++                // Kaiiju start - disable creatures spawn events
++                chunkRange = Math.min(event.getSpawnRadius(), 32);
++                }
++                // Kaiiju end
+ 
+-                int range = Math.min(event.getSpawnRadius(), 32); // limit to max view distance
++                int range = chunkRange; // limit to max view distance // Kaiiju
+                 int chunkX = io.papermc.paper.util.MCUtil.getChunkCoordinate(player.getX());
+                 int chunkZ = io.papermc.paper.util.MCUtil.getChunkCoordinate(player.getZ());
+ 
+                 regionizedWorldData.mobSpawnMap.addOrUpdate(player, chunkX, chunkZ, range); // Folia - region threading
+                 player.lastEntitySpawnRadiusSquared = (double)((range << 4) * (range << 4)); // used in anyPlayerCloseEnoughForSpawning
+-                player.playerNaturallySpawnedEvent = event;
++                if (!this.level.kaiijuConfig.disableCreaturesSpawnEvents) player.playerNaturallySpawnedEvent = event; // Kaiiju
+             }
+             // Paper end - optimize isOutisdeRange
+             LevelData worlddata = this.level.getLevelData();

patches/server/0035-Option-to-disable-dolphin-swim-to-treasure.patch

@@ -0,0 +1,39 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Xymb <xymb@endcrystal.me>
+Date: Thu, 22 Jun 2023 00:52:00 +0200
+Subject: [PATCH] Option to disable dolphin swim to treasure
+
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+index c9830912019079369268bfbf2c95de18ad598f52..e2fb7d7a7b3126d386b46442c115085d1974ac4e 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+@@ -152,6 +152,7 @@ public class KaiijuWorldConfig {
+     public boolean enableEntityThrottling = false;
+     public boolean disableAchievements = false;
+     public boolean disableCreaturesSpawnEvents = false;
++    public boolean disableDolphinSwimToTreasure = false;
+ 
+     private void optimizationSettings() {
+         shulkerBoxDropContentsWhenDestroyed = getBoolean("optimization.shulker-box-drop-contents-when-destroyed", shulkerBoxDropContentsWhenDestroyed);
+@@ -160,6 +161,7 @@ public class KaiijuWorldConfig {
+         enableEntityThrottling = getBoolean("optimization.enable-entity-throttling", enableEntityThrottling);
+         disableAchievements = getBoolean("optimization.disable-achievements", disableAchievements);
+         disableCreaturesSpawnEvents = getBoolean("optimization.disable-creatures-spawn-events", disableCreaturesSpawnEvents);
++        disableDolphinSwimToTreasure = getBoolean("optimization.disable-dolphin-swim-to-treasure", disableDolphinSwimToTreasure);
+     }
+ 
+     public boolean fixVoidTrading = true;
+diff --git a/src/main/java/net/minecraft/world/entity/animal/Dolphin.java b/src/main/java/net/minecraft/world/entity/animal/Dolphin.java
+index 8448c5d778998390cf2b683f36e4e18ca7ffdc34..8438ae5194bba7cad22af5e350c5a288529cbcdb 100644
+--- a/src/main/java/net/minecraft/world/entity/animal/Dolphin.java
++++ b/src/main/java/net/minecraft/world/entity/animal/Dolphin.java
+@@ -164,7 +164,7 @@ public class Dolphin extends WaterAnimal {
+     protected void registerGoals() {
+         this.goalSelector.addGoal(0, new BreathAirGoal(this));
+         this.goalSelector.addGoal(0, new TryFindWaterGoal(this));
+-        this.goalSelector.addGoal(1, new Dolphin.DolphinSwimToTreasureGoal(this));
++        if (!this.level().kaiijuConfig.disableDolphinSwimToTreasure) this.goalSelector.addGoal(1, new Dolphin.DolphinSwimToTreasureGoal(this)); // Kaiiju
+         this.goalSelector.addGoal(2, new Dolphin.DolphinSwimWithPlayerGoal(this, 4.0D));
+         this.goalSelector.addGoal(4, new RandomSwimmingGoal(this, 1.0D, 10));
+         this.goalSelector.addGoal(4, new RandomLookAroundGoal(this));

patches/server/0036-Unsupported-configuration.patch

@@ -0,0 +1,18 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Kugge <sofiane.djerbi38@gmail.com>
+Date: Mon, 28 Aug 2023 16:30:36 +0200
+Subject: [PATCH] Unsupported configuration
+
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+index 9b118a6e22264c88c0460016822b1920631fff85..8232ff317f44c698cac94656e4a910d75b73f402 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+@@ -229,4 +229,7 @@ public class KaiijuConfig {
+         serverModName = getString("gameplay.server-mod-name", serverModName);
+         sharedRandomForPlayers = getBoolean("gameplay.shared-random-for-players", sharedRandomForPlayers);
+     }
++
++    private static void unsupportedSettings() {
++    }
+ }

patches/server/0037-Option-to-disable-ensure-tick-thread-checks.patch

@@ -0,0 +1,80 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Xymb <xymb@endcrystal.me>
+Date: Thu, 22 Jun 2023 00:55:17 +0200
+Subject: [PATCH] Option to disable ensure tick thread checks
+
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+index 8232ff317f44c698cac94656e4a910d75b73f402..12738605442b9cdd086b2b29ff372d12552993b8 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+@@ -230,6 +230,9 @@ public class KaiijuConfig {
+         sharedRandomForPlayers = getBoolean("gameplay.shared-random-for-players", sharedRandomForPlayers);
+     }
+ 
++    public static boolean disableEnsureTickThreadChecks = false;
++
+     private static void unsupportedSettings() {
++        disableEnsureTickThreadChecks = getBoolean("unsupported.disable-ensure-tick-thread-checks", disableEnsureTickThreadChecks);
+     }
+ }
+diff --git a/src/main/java/io/papermc/paper/util/TickThread.java b/src/main/java/io/papermc/paper/util/TickThread.java
+index cb453dd110fc37fae75257a4576512126207763e..492e6a512343001d3d772d2d8b427d2d84e89da5 100644
+--- a/src/main/java/io/papermc/paper/util/TickThread.java
++++ b/src/main/java/io/papermc/paper/util/TickThread.java
+@@ -46,6 +46,7 @@ public class TickThread extends Thread {
+      */
+     @Deprecated
+     public static void ensureTickThread(final String reason) {
++        if (dev.kaiijumc.kaiiju.KaiijuConfig.disableEnsureTickThreadChecks) return; // Kaiiju
+         if (!isTickThread()) {
+             MinecraftServer.LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread check: " + reason, new Throwable());
+             throw new IllegalStateException(reason);
+@@ -53,6 +54,7 @@ public class TickThread extends Thread {
+     }
+ 
+     public static void ensureTickThread(final ServerLevel world, final BlockPos pos, final String reason) {
++        if (dev.kaiijumc.kaiiju.KaiijuConfig.disableEnsureTickThreadChecks) return; // Kaiiju
+         if (!isTickThreadFor(world, pos)) {
+             MinecraftServer.LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread check: " + reason, new Throwable());
+             throw new IllegalStateException(reason);
+@@ -60,6 +62,7 @@ public class TickThread extends Thread {
+     }
+ 
+     public static void ensureTickThread(final ServerLevel world, final ChunkPos pos, final String reason) {
++        if (dev.kaiijumc.kaiiju.KaiijuConfig.disableEnsureTickThreadChecks) return; // Kaiiju
+         if (!isTickThreadFor(world, pos)) {
+             MinecraftServer.LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread check: " + reason, new Throwable());
+             throw new IllegalStateException(reason);
+@@ -67,6 +70,7 @@ public class TickThread extends Thread {
+     }
+ 
+     public static void ensureTickThread(final ServerLevel world, final int chunkX, final int chunkZ, final String reason) {
++        if (dev.kaiijumc.kaiiju.KaiijuConfig.disableEnsureTickThreadChecks) return; // Kaiiju
+         if (!isTickThreadFor(world, chunkX, chunkZ)) {
+             MinecraftServer.LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread check: " + reason, new Throwable());
+             throw new IllegalStateException(reason);
+@@ -74,6 +78,7 @@ public class TickThread extends Thread {
+     }
+ 
+     public static void ensureTickThread(final Entity entity, final String reason) {
++        if (dev.kaiijumc.kaiiju.KaiijuConfig.disableEnsureTickThreadChecks) return; // Kaiiju
+         if (!isTickThreadFor(entity)) {
+             MinecraftServer.LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread check: " + reason, new Throwable());
+             throw new IllegalStateException(reason);
+@@ -81,6 +86,7 @@ public class TickThread extends Thread {
+     }
+ 
+     public static void ensureTickThread(final ServerLevel world, final AABB aabb, final String reason) {
++        if (dev.kaiijumc.kaiiju.KaiijuConfig.disableEnsureTickThreadChecks) return; // Kaiiju
+         if (!isTickThreadFor(world, aabb)) {
+             MinecraftServer.LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread check: " + reason, new Throwable());
+             throw new IllegalStateException(reason);
+@@ -88,6 +94,7 @@ public class TickThread extends Thread {
+     }
+ 
+     public static void ensureTickThread(final ServerLevel world, final double blockX, final double blockZ, final String reason) {
++        if (dev.kaiijumc.kaiiju.KaiijuConfig.disableEnsureTickThreadChecks) return; // Kaiiju
+         if (!isTickThreadFor(world, blockX, blockZ)) {
+             MinecraftServer.LOGGER.error("Thread " + Thread.currentThread().getName() + " failed main thread check: " + reason, new Throwable());
+             throw new IllegalStateException(reason);

patches/server/0038-Don-t-kick-player-on-bad-packet.patch

@@ -0,0 +1,46 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Sun, 2 Jul 2023 19:13:14 +0300
+Subject: [PATCH] Don't kick player on bad packet
+
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+index 12738605442b9cdd086b2b29ff372d12552993b8..c0432bb14df86fe070c90deb33aa8c535cfe46f3 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+@@ -206,10 +206,12 @@ public class KaiijuConfig {
+     
+     public static boolean sendNullEntityPackets = true;
+     public static boolean alternateKeepAlive = false;
++    public static boolean kickPlayerOnBadPacket = true;
+ 
+     private static void networkSettings() {
+         sendNullEntityPackets = getBoolean("network.send-null-entity-packets", sendNullEntityPackets);
+         alternateKeepAlive = getBoolean("network.alternate-keepalive", alternateKeepAlive);
++        kickPlayerOnBadPacket = getBoolean("network.kick-player-on-bad-packet", kickPlayerOnBadPacket);
+     }
+ 
+     public static boolean disableVanishApi = false;
+diff --git a/src/main/java/net/minecraft/network/Connection.java b/src/main/java/net/minecraft/network/Connection.java
+index f6ccb6eab566b44c3460376d46df1f2cf3d7b19d..13e5aeb0c04d27408ffbc6b11582426a7f2eb0f0 100644
+--- a/src/main/java/net/minecraft/network/Connection.java
++++ b/src/main/java/net/minecraft/network/Connection.java
+@@ -271,12 +271,18 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
+                         ConnectionProtocol enumprotocol = this.getCurrentProtocol();
+                         Packet<?> packet = enumprotocol == ConnectionProtocol.LOGIN ? new ClientboundLoginDisconnectPacket(ichatmutablecomponent) : new ClientboundDisconnectPacket(ichatmutablecomponent);
+ 
++                        // Kaiiju start - Don't kick player on bad packet
++                        if (dev.kaiijumc.kaiiju.KaiijuConfig.kickPlayerOnBadPacket
++                            || throwable instanceof io.netty.channel.unix.Errors.NativeIoException) {
++                        // Kaiiju end
+                         this.send((Packet) packet, PacketSendListener.thenRun(() -> {
+                             this.disconnect(ichatmutablecomponent);
+                         }));
+                         this.setReadOnly();
++                        } // Kaiiju - Don't kick player on bad packet
+                     } else {
+                         Connection.LOGGER.debug("Double fault", throwable);
++                        if (dev.kaiijumc.kaiiju.KaiijuConfig.kickPlayerOnBadPacket) // Kaiiju - Don't kick player on bad packet
+                         this.disconnect(ichatmutablecomponent);
+                     }
+                 }

patches/server/0039-Skip-event-if-no-listeners.patch

@@ -0,0 +1,34 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: foss-mc <69294560+foss-mc@users.noreply.github.com>
+Date: Sat, 8 Jul 2023 01:31:10 +0300
+Subject: [PATCH] Skip event if no listeners
+
+
+diff --git a/src/main/java/io/papermc/paper/plugin/manager/PaperEventManager.java b/src/main/java/io/papermc/paper/plugin/manager/PaperEventManager.java
+index 7ce9ebba8ce304d1f3f21d4f15ee5f3560d7700b..d0f6d4e6ab3a7a4bd6cb8e27c90c7c7300f204a5 100644
+--- a/src/main/java/io/papermc/paper/plugin/manager/PaperEventManager.java
++++ b/src/main/java/io/papermc/paper/plugin/manager/PaperEventManager.java
+@@ -36,14 +36,21 @@ class PaperEventManager {
+ 
+     // SimplePluginManager
+     public void callEvent(@NotNull Event event) {
++        // Kaiiju start - Skip event of no listeners
++        HandlerList handlers = event.getHandlers();
++        RegisteredListener[] listeners = handlers.getRegisteredListeners();
++        if (listeners.length == 0) return;
++        // Kaiiju end
+         if (event.isAsynchronous() && this.server.isPrimaryThread()) {
+             throw new IllegalStateException(event.getEventName() + " may only be triggered asynchronously.");
+         } else if (!event.isAsynchronous() && !this.server.isPrimaryThread() && !this.server.isStopping()) {
+             throw new IllegalStateException(event.getEventName() + " may only be triggered synchronously.");
+         }
+ 
+-        HandlerList handlers = event.getHandlers();
+-        RegisteredListener[] listeners = handlers.getRegisteredListeners();
++        // Kaiiju start - Moved up
++        //HandlerList handlers = event.getHandlers();
++        //RegisteredListener[] listeners = handlers.getRegisteredListeners();
++        // Kaiiju end
+ 
+         for (RegisteredListener registration : listeners) {
+             if (!registration.getPlugin().isEnabled()) {

patches/server/0040-Teleport-async-if-we-cannot-move-entity-off-main.patch

@@ -0,0 +1,75 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Sat, 8 Jul 2023 03:31:04 +0300
+Subject: [PATCH] Teleport async if we cannot move entity off-main
+
+Entities with huge velocity (100k+ velocity anarchy travel exploit) might disappear / crash the server because they travel a region each tick.
+TODO: Entities with huge velocity still throw stacktraces because they are ticked in "null" regions.
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+index e2fb7d7a7b3126d386b46442c115085d1974ac4e..44f5540a6a5733cf6f10f6b04fc9611ac4e53685 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+@@ -169,6 +169,7 @@ public class KaiijuWorldConfig {
+     public boolean fixTripWireStateInconsistency = true;
+     public boolean safeTeleporting = true;
+     public boolean sandDuplication = false;
++    public boolean teleportAsyncOnHighVelocity = false;
+ 
+     private void gameplaySettings() {
+         fixVoidTrading = getBoolean("gameplay.fix-void-trading", fixVoidTrading);
+@@ -176,5 +177,6 @@ public class KaiijuWorldConfig {
+         fixTripWireStateInconsistency = getBoolean("gameplay.fix-tripwire-state-inconsistency", fixTripWireStateInconsistency);
+         safeTeleporting = getBoolean("gameplay.safe-teleportation", safeTeleporting);
+         sandDuplication = getBoolean("gameplay.sand-duplication", sandDuplication);
++        teleportAsyncOnHighVelocity = getBoolean("gameplay.teleport-async-on-high-velocity", teleportAsyncOnHighVelocity);
+     }
+ }
+diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
+index 7c57675adc33d7c5525cdf8ebfd696a0e756c9a7..69abd1a59a5d2855c6dd264c0e8e483eccba0132 100644
+--- a/src/main/java/net/minecraft/world/entity/Entity.java
++++ b/src/main/java/net/minecraft/world/entity/Entity.java
+@@ -1127,7 +1127,20 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
+                     }
+                 }
+ 
++                try { // Kaiiju - Teleport async if we cannot move entity off-main
+                 this.setPos(this.getX() + vec3d1.x, this.getY() + vec3d1.y, this.getZ() + vec3d1.z);
++                // Kaiiju start - Teleport async if we cannot move entity off-main
++                } catch (IllegalStateException e) {
++                    if (this.level().kaiijuConfig.teleportAsyncOnHighVelocity)
++                    this.teleportAsync((ServerLevel) this.level(), this.position().add(vec3d1),
++                                       this.getYRot(), this.getXRot(),
++                                       null, PlayerTeleportEvent.TeleportCause.UNKNOWN,
++                                       Entity.TELEPORT_FLAG_LOAD_CHUNK | Entity.TELEPORT_FLAG_TELEPORT_PASSENGERS,
++                                       null
++                    );
++                    else LOGGER.error("High velocity entity caused off-main setPos: ", e);
++                }
++                // Kaiiju end
+             }
+ 
+             this.level().getProfiler().pop();
+@@ -3869,13 +3882,15 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
+         // check for same region
+         if (destination == this.level()) {
+             Vec3 currPos = this.position();
+-            if (
+-                destination.regioniser.getRegionAtUnsynchronised(
+-                    io.papermc.paper.util.CoordinateUtils.getChunkX(currPos), io.papermc.paper.util.CoordinateUtils.getChunkZ(currPos)
+-                ) == destination.regioniser.getRegionAtUnsynchronised(
+-                    io.papermc.paper.util.CoordinateUtils.getChunkX(pos), io.papermc.paper.util.CoordinateUtils.getChunkZ(pos)
+-                )
+-            ) {
++            // Kaiiju start - We shouldn't teleport when regions are null
++            io.papermc.paper.threadedregions.ThreadedRegionizer.ThreadedRegion<io.papermc.paper.threadedregions.TickRegions.TickRegionData,
++                                                                               io.papermc.paper.threadedregions.TickRegions.TickRegionSectionData>
++            currRegion = destination.regioniser.getRegionAtUnsynchronised(io.papermc.paper.util.CoordinateUtils.getChunkX(currPos), io.papermc.paper.util.CoordinateUtils.getChunkZ(currPos));
++            io.papermc.paper.threadedregions.ThreadedRegionizer.ThreadedRegion<io.papermc.paper.threadedregions.TickRegions.TickRegionData,
++                                                                               io.papermc.paper.threadedregions.TickRegions.TickRegionSectionData>
++            destRegion = destination.regioniser.getRegionAtUnsynchronised(io.papermc.paper.util.CoordinateUtils.getChunkX(pos), io.papermc.paper.util.CoordinateUtils.getChunkZ(pos));
++            if (currRegion == destRegion && currRegion != null) {
++            // Kaiiju end
+                 EntityTreeNode passengerTree = this.detachPassengers();
+                 // Note: The client does not accept position updates for controlled entities. So, we must
+                 // perform a lot of tracker updates here to make it all work out.

patches/server/0041-Add-back-worldborder-command.patch

@@ -0,0 +1,19 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Sun, 9 Jul 2023 19:17:40 +0300
+Subject: [PATCH] Add back worldborder command
+
+
+diff --git a/src/main/java/net/minecraft/commands/Commands.java b/src/main/java/net/minecraft/commands/Commands.java
+index 681cd79ce24fe5d952e987d46e2fd8df07a0f8a1..68af43ed4d667648df0e45ffc899d3e4b7b1a69d 100644
+--- a/src/main/java/net/minecraft/commands/Commands.java
++++ b/src/main/java/net/minecraft/commands/Commands.java
+@@ -199,7 +199,7 @@ public class Commands {
+         TitleCommand.register(this.dispatcher);
+         //TriggerCommand.register(this.dispatcher); // Folia - region threading - TODO later
+         WeatherCommand.register(this.dispatcher);
+-        //WorldBorderCommand.register(this.dispatcher); // Folia - region threading - TODO later
++        WorldBorderCommand.register(this.dispatcher); // Folia - region threading - TODO later // Kaiiju
+         if (JvmProfiler.INSTANCE.isAvailable()) {
+             JfrCommand.register(this.dispatcher);
+         }

patches/server/0042-Add-back-data-command.patch

@@ -0,0 +1,19 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Sun, 9 Jul 2023 19:18:42 +0300
+Subject: [PATCH] Add back data command
+
+
+diff --git a/src/main/java/net/minecraft/commands/Commands.java b/src/main/java/net/minecraft/commands/Commands.java
+index 68af43ed4d667648df0e45ffc899d3e4b7b1a69d..44576310cc5b89c287b0ab7ba1a99d76b67f33dd 100644
+--- a/src/main/java/net/minecraft/commands/Commands.java
++++ b/src/main/java/net/minecraft/commands/Commands.java
+@@ -148,7 +148,7 @@ public class Commands {
+         ClearInventoryCommands.register(this.dispatcher, commandRegistryAccess);
+         //CloneCommands.register(this.dispatcher, commandRegistryAccess); // Folia - region threading - TODO
+         DamageCommand.register(this.dispatcher, commandRegistryAccess);
+-        //DataCommands.register(this.dispatcher); // Folia - region threading - TODO
++        DataCommands.register(this.dispatcher); // Folia - region threading - TODO // Kaiiju
+         //DataPackCommand.register(this.dispatcher); // Folia - region threading - TODO
+         //DebugCommand.register(this.dispatcher); // Folia - region threading - TODO
+         DefaultGameModeCommands.register(this.dispatcher);

patches/server/0044-Global-event-synchronization.patch

@@ -0,0 +1,50 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Xymb <xymb@endcrystal.me>
+Date: Mon, 28 Aug 2023 16:57:55 +0200
+Subject: [PATCH] Global event synchronization
+
+
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+index 7ae19ea532ee0d15774466899d33cb1f130bd9a7..dd6a9ca1c6a2feada31829d0c8ada4e67fdf0cf6 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
+@@ -248,8 +248,10 @@ public class KaiijuConfig {
+     }
+ 
+     public static boolean disableEnsureTickThreadChecks = false;
++    public static boolean globalEventSynchronization = false;
+ 
+     private static void unsupportedSettings() {
+         disableEnsureTickThreadChecks = getBoolean("unsupported.disable-ensure-tick-thread-checks", disableEnsureTickThreadChecks);
++        globalEventSynchronization = getBoolean("unsupported.global-event-synchronization", globalEventSynchronization);
+     }
+ }
+diff --git a/src/main/java/dev/kaiijumc/kaiiju/lock/GlobalPluginSynchronizer.java b/src/main/java/dev/kaiijumc/kaiiju/lock/GlobalPluginSynchronizer.java
+new file mode 100644
+index 0000000000000000000000000000000000000000..406b241c8d4998b9977a43b8c1b628c7a27a927d
+--- /dev/null
++++ b/src/main/java/dev/kaiijumc/kaiiju/lock/GlobalPluginSynchronizer.java
+@@ -0,0 +1,5 @@
++package dev.kaiijumc.kaiiju.lock;
++
++public class GlobalPluginSynchronizer {
++    public static final Object lock = new Object();
++}
+diff --git a/src/main/java/io/papermc/paper/plugin/manager/PaperEventManager.java b/src/main/java/io/papermc/paper/plugin/manager/PaperEventManager.java
+index d0f6d4e6ab3a7a4bd6cb8e27c90c7c7300f204a5..03b8f704de1e9a798391297d3daf3c49bf599a56 100644
+--- a/src/main/java/io/papermc/paper/plugin/manager/PaperEventManager.java
++++ b/src/main/java/io/papermc/paper/plugin/manager/PaperEventManager.java
+@@ -58,6 +58,13 @@ class PaperEventManager {
+             }
+ 
+             try {
++                // Kaiiju start - Global Event Synchronization
++                if (dev.kaiijumc.kaiiju.KaiijuConfig.globalEventSynchronization) {
++                    synchronized (dev.kaiijumc.kaiiju.lock.GlobalPluginSynchronizer.lock) {
++                        registration.callEvent(event);
++                    }
++                } else
++                // Kaiiju end
+                 registration.callEvent(event);
+             } catch (AuthorNagException ex) {
+                 Plugin plugin = registration.getPlugin();

patches/todo/0012-Static-Distance-WIP.patch

@@ -0,0 +1,101 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: "Sofiane H. Djerbi" <46628754+kugge@users.noreply.github.com>
+Date: Wed, 19 Apr 2023 02:37:04 +0300
+Subject: [PATCH] Static Distance WIP
+
+
+diff --git a/src/main/java/io/papermc/paper/chunk/PlayerChunkLoader.java b/src/main/java/io/papermc/paper/chunk/PlayerChunkLoader.java
+index e77972c4c264100ffdd824bfa2dac58dbbc6d678..cddacd6d5bbe97641bd23f5c067012907d9c5c01 100644
+--- a/src/main/java/io/papermc/paper/chunk/PlayerChunkLoader.java
++++ b/src/main/java/io/papermc/paper/chunk/PlayerChunkLoader.java
+@@ -75,6 +75,17 @@ public final class PlayerChunkLoader {
+         return data.getTargetSendViewDistance();
+     }
+ 
++    // Kaiiju start - Static distance
++    public static int getStaticDistance(final ServerPlayer player) {
++        final ServerLevel level = (ServerLevel)player.level;
++        final PlayerLoaderData data = level.chunkSource.chunkMap.playerChunkManager.getData(player);
++        if (data == null) {
++            return level.chunkSource.chunkMap.playerChunkManager.getTargetStaticDistance();
++        }
++        return data.getTargetSendViewDistance();
++    }
++    // Kaiiju end
++
+     protected final ChunkMap chunkMap;
+     protected final Reference2ObjectLinkedOpenHashMap<ServerPlayer, PlayerLoaderData> playerMap = new Reference2ObjectLinkedOpenHashMap<>(512, 0.7f);
+     protected final ReferenceLinkedOpenHashSet<PlayerLoaderData> chunkSendQueue = new ReferenceLinkedOpenHashSet<>(512, 0.7f);
+@@ -132,6 +143,12 @@ public final class PlayerChunkLoader {
+ 
+     // no throttling is applied below this VD for loading
+ 
++    // Kaiiju start - Static distance
++    public final PlayerAreaMap staticMap;
++    protected int rawStaticDistance = -1;
++    // Kaiiju end
++
++
+     /**
+      * The chunks to be sent to players, provided they're send-ready. Send-ready means the chunk and its 1 radius neighbours are loaded.
+      */
+@@ -190,6 +207,12 @@ public final class PlayerChunkLoader {
+         return this.rawSendDistance == -1 ? this.getLoadDistance() : this.rawSendDistance;
+     }
+ 
++    // Kaiiju start - Static distance
++    public int getTargetStaticDistance() {
++        return this.rawStaticDistance == -1 ? this.getStaticDistance() : this.rawStaticDistance;
++    }
++    // Kaiiju end
++
+     public void setTargetSendDistance(final int distance) {
+         this.setSendDistance(distance);
+     }
+@@ -231,6 +254,16 @@ public final class PlayerChunkLoader {
+         this.rawTickDistance = distance;
+     }
+ 
++    // Kaiiju start - Static distance
++    public void setStaticDistance(final int distance) {
++        this.rawStaticDistance = distance;
++    }
++
++    public int getStaticDistance() {
++        return this.rawStaticDistance;
++    }
++    // Kaiiju end
++
+     /*
+       Players have 3 different types of view distance:
+       1. Sending view distance
+@@ -256,7 +289,13 @@ public final class PlayerChunkLoader {
+ 
+     public PlayerChunkLoader(final ChunkMap chunkMap, final PooledLinkedHashSets<ServerPlayer> pooledHashSets) {
+         this.chunkMap = chunkMap;
++        // Kaiiju start - Static distance
+         this.broadcastMap = new PlayerAreaMap(pooledHashSets,
++                null,
++                (ServerPlayer player, int rangeX, int rangeZ, int currPosX, int currPosZ, int prevPosX, int prevPosZ,
++                 com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> newState) -> {});
++        // Kaiiju end
++        this.staticMap = new PlayerAreaMap(pooledHashSets,
+                 null,
+                 (ServerPlayer player, int rangeX, int rangeZ, int currPosX, int currPosZ, int prevPosX, int prevPosZ,
+                  com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> newState) -> {
+@@ -807,6 +846,7 @@ public final class PlayerChunkLoader {
+         protected int sendViewDistance = -1;
+         protected int loadViewDistance = -1;
+         protected int tickViewDistance = -1;
++        protected int staticViewDistance = -1; // Kaiiju
+ 
+         protected long nextChunkSendTarget;
+ 
+@@ -932,6 +972,7 @@ public final class PlayerChunkLoader {
+             this.loader.loadMap.remove(this.player);
+             this.loader.loadTicketCleanup.remove(this.player);
+             this.loader.tickMap.remove(this.player);
++            this.loader.staticMap.remove(this.player); // Kaiiju
+         }
+ 
+         protected int getClientViewDistance() {