Latest fixes

README.md

@@ -24,25 +24,27 @@
 
 ```yaml
 verbose: false
-gameplay:
-  server-mod-name: Kaiiju
+region-format:
+  debug: false
 network:
   send-null-entity-packets: true
   alternate-keepalive: false
-region-format:
-  debug: false
+gameplay:
+  server-mod-name: Kaiiju
+  shared-random-for-players: true
 world-settings:
   default:
-    gameplay:
-      shulker-box-drop-contents-when-destroyed: true
-      fix-void-trading: true
-      optimize-hoppers: true
-      tick-when-empty: true
     region-format:
       format: ANVIL
       linear:
         compression-level: 1
         crash-on-broken-symlink: true
+    gameplay:
+      shulker-box-drop-contents-when-destroyed: true
+      fix-void-trading: true
+      optimize-hoppers: true
+      tick-when-empty: true
+      break-redstone-on-top-of-trap-doors-early: true
 config-version: 1
 ```
 Documentation: [Kaiiju Wiki](https://github.com/KaiijuMC/Kaiiju/wiki/Configuration)

gradle.properties

@@ -2,7 +2,7 @@ group = dev.kaiijumc.kaiiju
 version = 1.19.4-R0.1-SNAPSHOT
 mcVersion = 1.19.4
 
-foliaRef = 47105ea28e71d337c2683c7b7ae8228e61901cbb
+foliaRef = ca3b7adee262589e379183f8c36a50d10967a0b2
 
 org.gradle.caching=true
 org.gradle.parallel=true

patches/server/0001-Rebranding.patch

@@ -133,7 +133,7 @@ index abe37c7c3c6f5ab73afd738ec78f06d7e4d2ed96..52fc6bb99f6024273c7438d01314b576
          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 f5721f6d719b7055fdccc81d5e67ed758e90cb10..0696ad97437726fd6a13badfe7db0617dfbfb1ad 100644
+index 61bac6fda2d2f4b3db8a3f7e3003f47c84d5c4cd..19d6b811dccdc2b7a22054d3fe72b3981a6aae3a 100644
 --- a/src/main/java/net/minecraft/server/MinecraftServer.java
 +++ b/src/main/java/net/minecraft/server/MinecraftServer.java
 @@ -999,7 +999,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
@@ -145,7 +145,7 @@ index f5721f6d719b7055fdccc81d5e67ed758e90cb10..0696ad97437726fd6a13badfe7db0617
              while (this.getRunningThread().isAlive()) {
                  this.getRunningThread().stop();
                  try {
-@@ -1833,7 +1833,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
+@@ -1815,7 +1815,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
  
      @DontObfuscate
      public String getServerModName() {

patches/server/0010-Server-mod-name.patch

@@ -19,10 +19,10 @@ index 6d0e1edfb7d3c020f70f6a194f16e836b462c4de..9fb33b35b4d6842ca8597f77a4116e39
      }
  }
 diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
-index a7233bcc99e9bf148348ebb36bbb15b2eadb381f..865b022bb52d8d7b12355a01f3216a4ee8d4c045 100644
+index a2cb5aae38e8666da8c8f3b5095d426c62371a3b..2ee67890df46c8eb23c387519721c88b762599ce 100644
 --- a/src/main/java/net/minecraft/server/MinecraftServer.java
 +++ b/src/main/java/net/minecraft/server/MinecraftServer.java
-@@ -1833,7 +1833,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
+@@ -1815,7 +1815,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
  
      @DontObfuscate
      public String getServerModName() {

patches/server/0017-Fix-off-thread-spider-addEffect.patch

@@ -5,14 +5,16 @@ 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 0c36bb47bd7040f1544817810e1c87157cdaff96..29935d7cab5a61f48ed540c60152ad06f5e90d08 100644
+index 0c36bb47bd7040f1544817810e1c87157cdaff96..089c7bc00b8b4354d795cd864dc2c310bcf6de86 100644
 --- a/src/main/java/net/minecraft/world/entity/monster/Spider.java
 +++ b/src/main/java/net/minecraft/world/entity/monster/Spider.java
-@@ -180,6 +180,7 @@ public class Spider extends Monster {
+@@ -180,7 +180,9 @@ public class Spider extends Monster {
              MobEffect mobeffectlist = entityspider_groupdataspider.effect;
  
              if (mobeffectlist != null) {
-+                if (io.papermc.paper.util.TickThread.isTickThreadFor(this)) // Kaiiju - Prevent give effect to spider off thread
++                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/server/0018-Add-SIMD-utilities.patch

@@ -24,26 +24,6 @@ index 4686019a152114e63e997ee103fc8424b24b4581..0851203a4bed670242afc5ac86562075
  tasks.jar {
      archiveClassifier.set("dev")
  
-diff --git a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
-index 9fb33b35b4d6842ca8597f77a4116e3983ebfbcb..f1fe094c4b4c5932ba656165bb1671020c1277a5 100644
---- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
-+++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
-@@ -3,6 +3,7 @@ package dev.kaiijumc.kaiiju;
- import com.google.common.base.Throwables;
- import com.google.common.collect.ImmutableMap;
- import dev.kaiijumc.kaiiju.command.KaiijuCommand;
-+import gg.pufferfish.pufferfish.simd.SIMDDetection;
- import net.minecraft.server.MinecraftServer;
- import org.bukkit.Bukkit;
- import org.bukkit.command.Command;
-@@ -15,7 +16,6 @@ import java.io.IOException;
- import java.lang.reflect.InvocationTargetException;
- import java.lang.reflect.Method;
- import java.lang.reflect.Modifier;
--import java.util.Arrays;
- import java.util.HashMap;
- import java.util.List;
- import java.util.Map;
 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

patches/server/0019-Toggle-shared-random-for-players.patch

@@ -5,7 +5,7 @@ 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 9fb33b35b4d6842ca8597f77a4116e3983ebfbcb..51a49fc98147eef7bb50e7a2c71e0e8ed75e3dd6 100644
+index f1fe094c4b4c5932ba656165bb1671020c1277a5..d3f6e5c873255d00160cf792898204a82a0ec5e8 100644
 --- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
 +++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuConfig.java
 @@ -208,8 +208,10 @@ public class KaiijuConfig {
@@ -20,7 +20,7 @@ index 9fb33b35b4d6842ca8597f77a4116e3983ebfbcb..51a49fc98147eef7bb50e7a2c71e0e8e
      }
  }
 diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
-index 08e61a8940c142c68ed93359084ea46c7fd52310..5f61a405914bf9538144a62cfa5bec8ededc9a5e 100644
+index 08e61a8940c142c68ed93359084ea46c7fd52310..f22b4ad629845462656834abb3e28d2c2588ace6 100644
 --- a/src/main/java/net/minecraft/world/entity/Entity.java
 +++ b/src/main/java/net/minecraft/world/entity/Entity.java
 @@ -560,6 +560,11 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
@@ -28,7 +28,7 @@ index 08e61a8940c142c68ed93359084ea46c7fd52310..5f61a405914bf9538144a62cfa5bec8e
          this.stuckSpeedMultiplier = Vec3.ZERO;
          this.nextStep = 1.0F;
 +        // Kaiiju start - Toggle shared random for players
-+        if (dev.kaiijumc.kaiiju.KaiijuConfig.sharedRandomForPlayers && this instanceof Player)
++        if (!dev.kaiijumc.kaiiju.KaiijuConfig.sharedRandomForPlayers && this instanceof Player)
 +            this.random = RandomSource.create();
 +        else
 +        // Kaiiju end

patches/server/0020-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 d52a522fe6d5c4375862691fa32450bc458ca38b..648aff395887d2f13846b1bbe59f4115206ad7cf 100644
+--- a/src/main/java/io/papermc/paper/chunk/system/RegionizedPlayerChunkLoader.java
++++ b/src/main/java/io/papermc/paper/chunk/system/RegionizedPlayerChunkLoader.java
+@@ -486,7 +486,12 @@ 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 5ccfc95f51a899b1cd3f34af5e5bb05d902016b8..9c20bd199454b6032a6a90676d12526168b8dd0b 100644
+--- a/src/main/java/net/minecraft/server/level/ChunkHolder.java
++++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java
+@@ -133,7 +133,12 @@ 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/0021-Toggle-fix-TripWire-state-inconsistency.patch

@@ -0,0 +1,40 @@
+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 43c8e95454cfe831f69858eb3b520f9958280b54..8026f9ac95cd54e74ff7e161fe4768830f8e0d30 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 optimizeHoppers = true;
+     public boolean tickWhenEmpty = true;
+     public boolean breakRedstoneOnTopOfTrapDoorsEarly = true;
++    public boolean fixTripWireStateInconsistency = true;
+ 
+     private void gameplaySettings() {
+         shulkerBoxDropContentsWhenDestroyed = getBoolean("gameplay.shulker-box-drop-contents-when-destroyed", shulkerBoxDropContentsWhenDestroyed);
+@@ -158,5 +159,6 @@ public class KaiijuWorldConfig {
+         optimizeHoppers = getBoolean("gameplay.optimize-hoppers", optimizeHoppers);
+         tickWhenEmpty = getBoolean("gameplay.tick-when-empty", tickWhenEmpty);
+         breakRedstoneOnTopOfTrapDoorsEarly = getBoolean("gameplay.break-redstone-on-top-of-trap-doors-early", breakRedstoneOnTopOfTrapDoorsEarly);
++        fixTripWireStateInconsistency = getBoolean("gameplay.fix-tripwire-state-inconsistency", fixTripWireStateInconsistency);
+     }
+ }
+\ No newline at end of file
+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 7f60175bf671d282c11e9084670d2bb900968255..baa6d2bb3a4bec920cb8b57cb08d706929985ea9 100644
+--- a/src/main/java/net/minecraft/world/level/block/TripWireBlock.java
++++ b/src/main/java/net/minecraft/world/level/block/TripWireBlock.java
+@@ -74,7 +74,7 @@ public class TripWireBlock extends Block {
+     @Override
+     public void onRemove(BlockState state, Level world, BlockPos pos, BlockState newState, boolean moved) {
+         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/0022-Toggle-safe-teleportation.patch

@@ -0,0 +1,91 @@
+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 8026f9ac95cd54e74ff7e161fe4768830f8e0d30..bf23ddc5fdc274c9fc755f64d30d6792c9f4b0da 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 tickWhenEmpty = true;
+     public boolean breakRedstoneOnTopOfTrapDoorsEarly = true;
+     public boolean fixTripWireStateInconsistency = true;
++    public boolean safeTeleporting = true;
+ 
+     private void gameplaySettings() {
+         shulkerBoxDropContentsWhenDestroyed = getBoolean("gameplay.shulker-box-drop-contents-when-destroyed", shulkerBoxDropContentsWhenDestroyed);
+@@ -160,5 +161,6 @@ public class KaiijuWorldConfig {
+         tickWhenEmpty = getBoolean("gameplay.tick-when-empty", tickWhenEmpty);
+         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);
+     }
+ }
+\ No newline at end of file
+diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
+index f22b4ad629845462656834abb3e28d2c2588ace6..7875659b195e98b7e725e3daf8495d2efb1b5f88 100644
+--- a/src/main/java/net/minecraft/world/entity/Entity.java
++++ b/src/main/java/net/minecraft/world/entity/Entity.java
+@@ -3666,7 +3666,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
+     }
+ 
+     protected boolean canTeleportAsync() {
+-        return !this.hasNullCallback() && !this.isRemoved() && this.isAlive() && (!(this instanceof net.minecraft.world.entity.LivingEntity livingEntity) || !livingEntity.isSleeping());
++        return !this.hasNullCallback() && ((!this.isRemoved() && this.isAlive()) || this.level.kaiijuConfig.safeTeleporting) && (!(this instanceof net.minecraft.world.entity.LivingEntity livingEntity) || !livingEntity.isSleeping()); // Kaiiju - Allow removed entities to teleport
+     }
+ 
+     protected void teleportSyncSameRegion(Vec3 pos, Float yaw, Float pitch, Vec3 speedDirectionUpdate) {
+@@ -3826,6 +3826,7 @@ 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;
+@@ -3835,7 +3836,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
+             return false;
+         }
+ 
+-        if (this.isPassenger() || this.isVehicle() || !this.canChangeDimensions() || this.isRemoved() || !this.valid || !this.isAlive()) {
++        if (this.isPassenger() || this.isVehicle() || (!this.canChangeDimensions() || this.isRemoved() || !this.valid || !this.isAlive()) && !this.level.kaiijuConfig.safeTeleporting) { // Kaiiju - Allow removed entities to teleport
+             return false;
+         }
+ 
+@@ -4386,7 +4387,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
+     }
+ 
+     public boolean canChangeDimensions() {
+-        return !this.isPassenger() && !this.isVehicle() && isAlive() && valid; // Paper
++        return !this.isPassenger() && !this.isVehicle() && ((isAlive() && valid) || this.level.kaiijuConfig.safeTeleporting); // Paper // Kaiiju - Allow removed entities to teleport
+     }
+ 
+     public float getBlockExplosionResistance(Explosion explosion, BlockGetter world, BlockPos pos, BlockState blockState, FluidState fluidState, float max) {
+@@ -5351,6 +5352,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
+         this.levelCallback.onRemove(reason);
+         // Folia start - region threading
+         if (!(this instanceof ServerPlayer) && reason != RemovalReason.CHANGED_DIMENSION) {
++            if (this.level.kaiijuConfig.safeTeleporting && this.canPortalAsync(true)) return; // Kaiiju - Allow removed entities to teleport
+             // Players need to be special cased, because they are regularly removed from the world
+             this.retireScheduler();
+         }
+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..aee4ae51a73ac3c74bf4b3db23247b0eb45c2d7a 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 +1,48 @@
+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 bf23ddc5fdc274c9fc755f64d30d6792c9f4b0da..96f676cacbbb25e818d0f197c175a5f1179d3df9 100644
+--- a/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
++++ b/src/main/java/dev/kaiijumc/kaiiju/KaiijuWorldConfig.java
+@@ -153,6 +153,7 @@ public class KaiijuWorldConfig {
+     public boolean breakRedstoneOnTopOfTrapDoorsEarly = true;
+     public boolean fixTripWireStateInconsistency = true;
+     public boolean safeTeleporting = true;
++    public boolean sandDuplication = false;
+ 
+     private void gameplaySettings() {
+         shulkerBoxDropContentsWhenDestroyed = getBoolean("gameplay.shulker-box-drop-contents-when-destroyed", shulkerBoxDropContentsWhenDestroyed);
+@@ -162,5 +163,6 @@ public class KaiijuWorldConfig {
+         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);
+     }
+ }
+\ No newline at end of file
+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 c8d125955754e27da54d95fb5b1cea39ca54b618..ffe82c153602babb679dee29d20e807a771a00ce 100644
+--- a/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java
++++ b/src/main/java/net/minecraft/world/entity/item/FallingBlockEntity.java
+@@ -131,7 +131,7 @@ 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
+@@ -148,7 +148,7 @@ 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 +1,27 @@
+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 7875659b195e98b7e725e3daf8495d2efb1b5f88..92b2569ad58ddc0c192e4ee341c8040c3f872a53 100644
+--- a/src/main/java/net/minecraft/world/entity/Entity.java
++++ b/src/main/java/net/minecraft/world/entity/Entity.java
+@@ -3914,10 +3914,15 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource {
+                         (chunks) -> {
+                             ServerLevel.makeObsidianPlatform(destination, null, targetPos);
+ 
++                            // 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
+                             );
+                         }
+                     );