0.2.0-beta.4

We are supposed to ignore some collisions on the sloped
rail.

.github/workflows/build.yml

@@ -31,6 +31,8 @@ jobs:
           key: ${{ runner.os }}-project-local-gradle-caches-${{ hashFiles('**/libs.versions.toml', '**/*.gradle*', '**/gradle-wrapper.properties') }}
           restore-keys: |
             ${{ runner.os }}-project-local-gradle-caches-
+      - name: "setup concurrentutil"
+        run: ./installConcurrentUtil.sh
       - name: "execute gradle build"
         run: ./gradlew build
       - name: Determine Snapshot Status

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "ConcurrentUtil"]
+	path = ConcurrentUtil
+	url = https://github.com/Spottedleaf/ConcurrentUtil.git

README.md

@@ -12,13 +12,13 @@ Fabric/NeoForge mod for optimising performance of the integrated (singleplayer/L
 Moonrise aims to optimise the game *without changing Vanilla behavior*. If you find that there are changes to Vanilla behavior,
 please open an issue.
 
-Moonrise ports several important [Paper](https://github.com/PaperMC/Paper/)
+Moonrise is an official port of several important [Paper](https://github.com/PaperMC/Paper/)
 patches. Listed below are notable patches:
+ - [Starlight](https://github.com/PaperMC/Starlight/)
  - Chunk system rewrite
  - Collision optimisations
  - Entity tracker optimisations
  - Random ticking optimisations
- - [Starlight](https://github.com/PaperMC/Starlight/)
 
 ## Known Compatibility Issues
 | Mod         | Status                                                                                                                                                                                                                                                                                                   |

build.gradle

@@ -22,8 +22,7 @@ def getGitCommit = { ->
 dependencies {
     modImplementation "net.fabricmc:fabric-loader:${project.loader_version}"
 
-    api("ca.spottedleaf:concurrentutil:${rootProject.concurrentutil_version}") { setTransitive(false) }
-    api("ca.spottedleaf:yamlconfig:${rootProject.yamlconfig_version}") { setTransitive(false) }
+    api("ca.spottedleaf:concurrentutil:${rootProject.concurrentutil_version}")
     api("org.yaml:snakeyaml:${rootProject.snakeyaml_version}")
 
     modImplementation "me.shedaniel.cloth:cloth-config:${rootProject.cloth_version}"
@@ -46,10 +45,9 @@ allprojects {
     }
 
     repositories {
-        maven {
-            url "https://repo.papermc.io/repository/maven-public/"
+        mavenLocal {
             mavenContent {
-                includeGroup("ca.spottedleaf")
+                includeModule("ca.spottedleaf", "concurrentutil")
             }
         }
         maven {
@@ -100,7 +98,8 @@ subprojects {
     }
     loom.runs.all {
         ideConfigGenerated true
-        // property "mixin.debug", "true"
+        property "mixin.debug", "true"
+        property "Moonrise.MaxViewDistance", "128"
     }
 
     plugins.apply("me.modmuss50.mod-publish-plugin")

fabric/build.gradle

@@ -17,13 +17,12 @@ dependencies {
     runtimeOnly(project(":").sourceSets.main.output)
     modImplementation "net.fabricmc:fabric-loader:${project.loader_version}"
 
-    libs("ca.spottedleaf:concurrentutil:${rootProject.concurrentutil_version}") { setTransitive(false) }
-    libs("ca.spottedleaf:yamlconfig:${rootProject.yamlconfig_version}") { setTransitive(false) }
+    libs("ca.spottedleaf:concurrentutil:${rootProject.concurrentutil_version}")
     libs("org.yaml:snakeyaml:${rootProject.snakeyaml_version}")
 
     modImplementation "me.shedaniel.cloth:cloth-config-fabric:${rootProject.cloth_version}"
     include "me.shedaniel.cloth:cloth-config-fabric:${rootProject.cloth_version}"
-    modImplementation "com.terraformersmc:modmenu:11.0.1"
+    modImplementation "com.terraformersmc:modmenu:${rootProject.modmenu_version}"
 
     modImplementation fabricApiLibs.command.api.v2
     modImplementation fabricApiLibs.lifecycle.events.v1
@@ -44,7 +43,6 @@ shadowJar {
     destinationDirectory = layout.buildDirectory.dir("libs")
     configurations = [project.configurations.shadow]
     relocate 'ca.spottedleaf.concurrentutil', 'ca.spottedleaf.moonrise.libs.ca.spottedleaf.concurrentutil'
-    relocate 'ca.spottedleaf.yamlconfig', 'ca.spottedleaf.moonrise.libs.ca.spottedleaf.yamlconfig'
     relocate 'org.yaml.snakeyaml', 'ca.spottedleaf.moonrise.libs.org.yaml.snakeyaml'
 }
 

fabric/src/main/java/ca/spottedleaf/moonrise/fabric/FabricHooks.java

@@ -2,29 +2,31 @@ package ca.spottedleaf.moonrise.fabric;
 
 import ca.spottedleaf.moonrise.common.PlatformHooks;
 import ca.spottedleaf.moonrise.common.util.ConfigHolder;
-import ca.spottedleaf.moonrise.patches.chunk_system.scheduling.NewChunkHolder;
-import net.fabricmc.fabric.api.event.Event;
-import net.fabricmc.fabric.api.event.EventFactory;
+import com.mojang.datafixers.DSL;
+import com.mojang.datafixers.DataFixer;
+import com.mojang.serialization.Dynamic;
 import net.fabricmc.fabric.api.event.lifecycle.v1.ServerChunkEvents;
 import net.fabricmc.loader.api.FabricLoader;
 import net.minecraft.core.BlockPos;
 import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.NbtOps;
+import net.minecraft.server.level.ChunkHolder;
 import net.minecraft.server.level.GenerationChunkHolder;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.world.entity.Entity;
 import net.minecraft.world.level.BlockGetter;
 import net.minecraft.world.level.ChunkPos;
-import net.minecraft.world.level.Explosion;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.level.chunk.ChunkAccess;
 import net.minecraft.world.level.chunk.ImposterProtoChunk;
 import net.minecraft.world.level.chunk.LevelChunk;
 import net.minecraft.world.level.chunk.ProtoChunk;
+import net.minecraft.world.level.chunk.status.ChunkStatusTasks;
+import net.minecraft.world.level.chunk.storage.SerializableChunkData;
 import net.minecraft.world.level.entity.EntityTypeTest;
 import net.minecraft.world.phys.AABB;
-import net.minecraft.world.phys.Vec3;
 import java.util.List;
 import java.util.function.Predicate;
 
@@ -32,19 +34,6 @@ public final class FabricHooks implements PlatformHooks {
 
     private static final boolean HAS_FABRIC_LIFECYCLE_EVENTS = FabricLoader.getInstance().isModLoaded("fabric-lifecycle-events-v1");
 
-    public interface OnExplosionDetonate {
-        void onExplosion(final Level world, final Explosion explosion, final List<Entity> possiblyAffecting, final double diameter);
-    }
-
-    public static final Event<OnExplosionDetonate> ON_EXPLOSION_DETONATE = EventFactory.createArrayBacked(
-        OnExplosionDetonate.class,
-        listeners -> (final Level world, final Explosion explosion, final List<Entity> possiblyAffecting, final double diameter) -> {
-            for (int i = 0; i < listeners.length; i++) {
-                listeners[i].onExplosion(world, explosion, possiblyAffecting, diameter);
-            }
-        }
-    );
-
     @Override
     public String getBrand() {
         return "Moonrise";
@@ -62,16 +51,6 @@ public final class FabricHooks implements PlatformHooks {
         };
     }
 
-    @Override
-    public void onExplosion(final Level world, final Explosion explosion, final List<Entity> possiblyAffecting, final double diameter) {
-        ON_EXPLOSION_DETONATE.invoker().onExplosion(world, explosion, possiblyAffecting, diameter);
-    }
-
-    @Override
-    public Vec3 modifyExplosionKnockback(final Level world, final Explosion explosion, final Entity entity, final Vec3 original) {
-        return original;
-    }
-
     @Override
     public boolean hasCurrentlyLoadingChunk() {
         return false;
@@ -90,7 +69,7 @@ public final class FabricHooks implements PlatformHooks {
     @Override
     public void chunkFullStatusComplete(final LevelChunk newChunk, final ProtoChunk original) {
         if (HAS_FABRIC_LIFECYCLE_EVENTS) {
-            ServerChunkEvents.CHUNK_LOAD.invoker().onChunkLoad((ServerLevel) newChunk.getLevel(), newChunk);
+            ServerChunkEvents.CHUNK_LOAD.invoker().onChunkLoad((ServerLevel)newChunk.getLevel(), newChunk);
             if (!(original instanceof ImposterProtoChunk)) {
                 ServerChunkEvents.CHUNK_GENERATE.invoker().onChunkGenerate((ServerLevel)newChunk.getLevel(), newChunk);
             }
@@ -103,19 +82,19 @@ public final class FabricHooks implements PlatformHooks {
     }
 
     @Override
-    public void onChunkHolderTicketChange(final ServerLevel world, final NewChunkHolder holder, final int oldLevel, final int newLevel) {
+    public void onChunkHolderTicketChange(final ServerLevel world, final ChunkHolder holder, final int oldLevel, final int newLevel) {
 
     }
 
     @Override
     public void chunkUnloadFromWorld(final LevelChunk chunk) {
         if (HAS_FABRIC_LIFECYCLE_EVENTS) {
-            ServerChunkEvents.CHUNK_UNLOAD.invoker().onChunkUnload((ServerLevel) chunk.getLevel(), chunk);
+            ServerChunkEvents.CHUNK_UNLOAD.invoker().onChunkUnload((ServerLevel)chunk.getLevel(), chunk);
         }
     }
 
     @Override
-    public void chunkSyncSave(final ServerLevel world, final ChunkAccess chunk, final CompoundTag data) {
+    public void chunkSyncSave(final ServerLevel world, final ChunkAccess chunk, final SerializableChunkData data) {
 
     }
 
@@ -187,12 +166,12 @@ public final class FabricHooks implements PlatformHooks {
     }
 
     @Override
-    public long configAutoSaveInterval() {
+    public long configAutoSaveInterval(final ServerLevel world) {
         return ConfigHolder.getConfig().chunkSaving.autoSaveInterval.getTimeTicks();
     }
 
     @Override
-    public int configMaxAutoSavePerTick() {
+    public int configMaxAutoSavePerTick(final ServerLevel world) {
         return ConfigHolder.getConfig().chunkSaving.maxAutoSaveChunksPerTick;
     }
 
@@ -200,4 +179,47 @@ public final class FabricHooks implements PlatformHooks {
     public boolean configFixMC159283() {
         return ConfigHolder.getConfig().bugFixes.fixMC159283;
     }
+
+    @Override
+    public boolean forceNoSave(final ChunkAccess chunk) {
+        return false;
+    }
+
+    @Override
+    public CompoundTag convertNBT(final DSL.TypeReference type, final DataFixer dataFixer, final CompoundTag nbt,
+                                  final int fromVersion, final int toVersion) {
+        return (CompoundTag)dataFixer.update(
+            type, new Dynamic<>(NbtOps.INSTANCE, nbt), fromVersion, toVersion
+        ).getValue();
+    }
+
+    @Override
+    public boolean hasMainChunkLoadHook() {
+        return false;
+    }
+
+    @Override
+    public void mainChunkLoad(final ChunkAccess chunk, final SerializableChunkData chunkData) {
+
+    }
+
+    @Override
+    public List<Entity> modifySavedEntities(final ServerLevel world, final int chunkX, final int chunkZ, final List<Entity> entities) {
+        return entities;
+    }
+
+    @Override
+    public void unloadEntity(final Entity entity) {
+        entity.setRemoved(Entity.RemovalReason.UNLOADED_TO_CHUNK);
+    }
+
+    @Override
+    public void postLoadProtoChunk(final ServerLevel world, final ProtoChunk chunk) {
+        ChunkStatusTasks.postLoadProtoChunk(world, chunk.getEntities());
+    }
+
+    @Override
+    public int modifyEntityTrackingRange(final Entity entity, final int currentRange) {
+        return currentRange;
+    }
 }

fabric/src/main/resources/fabric.mod.json

@@ -36,13 +36,12 @@
     "accessWidener": "moonrise.accesswidener",
     "depends": {
         "fabricloader": ">=${loader_version}",
-        "minecraft": ">=1.21 <=1.21.1",
+        "minecraft": ">1.21.1 <1.21.4",
         "fabric-command-api-v2": "*"
     },
     "custom": {
         "lithium:options": {
             "mixin.ai.poi": false,
-            "mixin.alloc.chunk_ticking": false,
             "mixin.alloc.deep_passengers": false,
             "mixin.alloc.entity_tracker": false,
             "mixin.block.flatten_states": false,
@@ -66,7 +65,6 @@
             "mixin.world.block_entity_ticking": false,
             "mixin.world.chunk_access": false,
             "mixin.world.explosions.block_raycast": false,
-            "mixin.world.explosions.cache_exposure": false,
             "mixin.world.temperature_cache": false,
             "mixin.world.tick_scheduler": false
         },

gradle.properties

@@ -3,18 +3,19 @@ org.gradle.jvmargs=-Xmx2G
 org.gradle.daemon=false
 # Fabric Properties
 # check these on https://modmuss50.me/fabric.html
-minecraft_version=1.21.1
-supported_minecraft_versions=1.21,1.21.1
-loader_version=0.16.5
-neoforge_version=21.1.79
-snakeyaml_version=2.3
-concurrentutil_version=0.0.2
-yamlconfig_version=1.0.2
-cloth_version=15.0.128
+minecraft_version=1.21.3
+loader_version=0.16.7
+supported_minecraft_versions=1.21.3
+neoforge_version=21.3.31-beta
+fabric_api_version=0.107.0+1.21.3
+snakeyaml_version=2.2
+concurrentutil_version=0.0.2-SNAPSHOT
+cloth_version=16.0.141
+modmenu_version=12.0.0-beta.1
 # version ids from modrinth
-fabric_lithium_version=frXUdgvL
-neo_lithium_version=KhdehJ6l
+fabric_lithium_version=QhCwdt4l
+neo_lithium_version=wDD955sb
 # Mod Properties
-mod_version=0.1.0-beta.13
+mod_version=0.2.0-beta.4
 maven_group=ca.spottedleaf.moonrise
 archives_base_name=moonrise

installConcurrentUtil.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+set -eou pipefail
+
+git submodule update --init --recursive
+cd ConcurrentUtil
+mvn install

neoforge/build.gradle

@@ -21,8 +21,7 @@ dependencies {
     add('shadow', project([path: ":", configuration: "namedElements"]))
     neoForge "net.neoforged:neoforge:${rootProject.neoforge_version}"
 
-    shadow("ca.spottedleaf:concurrentutil:${rootProject.concurrentutil_version}") { setTransitive(false) }
-    shadow("ca.spottedleaf:yamlconfig:${rootProject.yamlconfig_version}") { setTransitive(false) }
+    shadow("ca.spottedleaf:concurrentutil:${rootProject.concurrentutil_version}")
     shadow("org.yaml:snakeyaml:${rootProject.snakeyaml_version}")
     forgeExtra("org.yaml:snakeyaml:${rootProject.snakeyaml_version}")
 
@@ -43,7 +42,6 @@ shadowJar {
     destinationDirectory = layout.buildDirectory.dir("libs")
     configurations = [project.configurations.shadow]
     relocate 'ca.spottedleaf.concurrentutil', 'ca.spottedleaf.moonrise.libs.ca.spottedleaf.concurrentutil'
-    relocate 'ca.spottedleaf.yamlconfig', 'ca.spottedleaf.moonrise.libs.ca.spottedleaf.yamlconfig'
     relocate 'org.yaml.snakeyaml', 'ca.spottedleaf.moonrise.libs.org.yaml.snakeyaml'
 }
 

neoforge/src/main/java/ca/spottedleaf/moonrise/neoforge/NeoForgeHooks.java

@@ -3,9 +3,13 @@ package ca.spottedleaf.moonrise.neoforge;
 import ca.spottedleaf.moonrise.common.PlatformHooks;
 import ca.spottedleaf.moonrise.common.util.ConfigHolder;
 import ca.spottedleaf.moonrise.common.util.CoordinateUtils;
-import ca.spottedleaf.moonrise.patches.chunk_system.scheduling.NewChunkHolder;
+import com.mojang.datafixers.DSL;
+import com.mojang.datafixers.DataFixer;
+import com.mojang.serialization.Dynamic;
 import net.minecraft.core.BlockPos;
 import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.NbtOps;
+import net.minecraft.server.level.ChunkHolder;
 import net.minecraft.server.level.GenerationChunkHolder;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.server.level.ServerPlayer;
@@ -13,16 +17,16 @@ import net.minecraft.world.entity.Entity;
 import net.minecraft.world.level.BlockGetter;
 import net.minecraft.world.level.ChunkPos;
 import net.minecraft.world.level.EmptyBlockGetter;
-import net.minecraft.world.level.Explosion;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.level.chunk.ChunkAccess;
 import net.minecraft.world.level.chunk.ImposterProtoChunk;
 import net.minecraft.world.level.chunk.LevelChunk;
 import net.minecraft.world.level.chunk.ProtoChunk;
+import net.minecraft.world.level.chunk.status.ChunkStatusTasks;
+import net.minecraft.world.level.chunk.storage.SerializableChunkData;
 import net.minecraft.world.level.entity.EntityTypeTest;
 import net.minecraft.world.phys.AABB;
-import net.minecraft.world.phys.Vec3;
 import net.neoforged.neoforge.common.CommonHooks;
 import net.neoforged.neoforge.common.NeoForge;
 import net.neoforged.neoforge.entity.PartEntity;
@@ -52,16 +56,6 @@ public final class NeoForgeHooks implements PlatformHooks {
         };
     }
 
-    @Override
-    public void onExplosion(final Level world, final Explosion explosion, final List<Entity> possiblyAffecting, final double diameter) {
-        EventHooks.onExplosionDetonate(world, explosion, possiblyAffecting, diameter);
-    }
-
-    @Override
-    public Vec3 modifyExplosionKnockback(final Level world, final Explosion explosion, final Entity entity, final Vec3 original) {
-        return EventHooks.getExplosionKnockback(world, explosion, entity, original);
-    }
-
     @Override
     public boolean hasCurrentlyLoadingChunk() {
         return true;
@@ -88,10 +82,12 @@ public final class NeoForgeHooks implements PlatformHooks {
     }
 
     @Override
-    public void onChunkHolderTicketChange(final ServerLevel world, final NewChunkHolder holder, final int oldLevel, final int newLevel) {
+    public void onChunkHolderTicketChange(final ServerLevel world, final ChunkHolder holder, final int oldLevel, final int newLevel) {
+        final ChunkPos pos = holder.getPos();
+
         EventHooks.fireChunkTicketLevelUpdated(
-            world, CoordinateUtils.getChunkKey(holder.chunkX, holder.chunkZ),
-            oldLevel, newLevel, holder.vanillaChunkHolder
+            world, CoordinateUtils.getChunkKey(pos.x, pos.z),
+            oldLevel, newLevel, holder
         );
     }
 
@@ -101,7 +97,7 @@ public final class NeoForgeHooks implements PlatformHooks {
     }
 
     @Override
-    public void chunkSyncSave(final ServerLevel world, final ChunkAccess chunk, final CompoundTag data) {
+    public void chunkSyncSave(final ServerLevel world, final ChunkAccess chunk, final SerializableChunkData data) {
         NeoForge.EVENT_BUS.post(new ChunkDataEvent.Save(chunk, world, data));
     }
 
@@ -193,12 +189,12 @@ public final class NeoForgeHooks implements PlatformHooks {
     }
 
     @Override
-    public long configAutoSaveInterval() {
+    public long configAutoSaveInterval(final ServerLevel world) {
         return ConfigHolder.getConfig().chunkSaving.autoSaveInterval.getTimeTicks();
     }
 
     @Override
-    public int configMaxAutoSavePerTick() {
+    public int configMaxAutoSavePerTick(final ServerLevel world) {
         return ConfigHolder.getConfig().chunkSaving.maxAutoSaveChunksPerTick;
     }
 
@@ -206,4 +202,47 @@ public final class NeoForgeHooks implements PlatformHooks {
     public boolean configFixMC159283() {
         return ConfigHolder.getConfig().bugFixes.fixMC159283;
     }
+
+    @Override
+    public boolean forceNoSave(final ChunkAccess chunk) {
+        return false;
+    }
+
+    @Override
+    public CompoundTag convertNBT(final DSL.TypeReference type, final DataFixer dataFixer, final CompoundTag nbt,
+                                  final int fromVersion, final int toVersion) {
+        return (CompoundTag)dataFixer.update(
+            type, new Dynamic<>(NbtOps.INSTANCE, nbt), fromVersion, toVersion
+        ).getValue();
+    }
+
+    @Override
+    public boolean hasMainChunkLoadHook() {
+        return true;
+    }
+
+    @Override
+    public void mainChunkLoad(final ChunkAccess chunk, final SerializableChunkData chunkData) {
+        NeoForge.EVENT_BUS.post(new ChunkDataEvent.Load(chunk, chunkData));
+    }
+
+    @Override
+    public List<Entity> modifySavedEntities(final ServerLevel world, final int chunkX, final int chunkZ, final List<Entity> entities) {
+        return entities;
+    }
+
+    @Override
+    public void unloadEntity(final Entity entity) {
+        entity.setRemoved(Entity.RemovalReason.UNLOADED_TO_CHUNK);
+    }
+
+    @Override
+    public void postLoadProtoChunk(final ServerLevel world, final ProtoChunk chunk) {
+        ChunkStatusTasks.postLoadProtoChunk(world, chunk.getEntities());
+    }
+
+    @Override
+    public int modifyEntityTrackingRange(final Entity entity, final int currentRange) {
+        return currentRange;
+    }
 }

neoforge/src/main/resources/META-INF/neoforge.mods.toml

@@ -28,7 +28,7 @@ side = "BOTH"
 [[dependencies.moonrise]]
 modId = "minecraft"
 type = "required"
-versionRange = "[1.21,1.21.2)"
+versionRange = "(1.21.1,1.21.4)"
 ordering = "NONE"
 side = "BOTH"
 
@@ -57,7 +57,6 @@ config = "moonrise-neoforge.mixins.json"
 
 ["lithium:options"]
 "mixin.ai.poi" = false
-"mixin.alloc.chunk_ticking" = false
 "mixin.alloc.deep_passengers" = false
 "mixin.alloc.entity_tracker" = false
 "mixin.block.flatten_states" = false
@@ -81,6 +80,5 @@ config = "moonrise-neoforge.mixins.json"
 "mixin.world.block_entity_ticking" = false
 "mixin.world.chunk_access" = false
 "mixin.world.explosions.block_raycast" = false
-"mixin.world.explosions.cache_exposure" = false
 "mixin.world.temperature_cache" = false
 "mixin.world.tick_scheduler" = false

settings.gradle

@@ -37,7 +37,7 @@ dependencyResolutionManagement {
     }
     versionCatalogs {
         create("fabricApiLibs") {
-            from("net.fabricmc.fabric-api:fabric-api-catalog:0.107.0+1.21.1")
+            from("net.fabricmc.fabric-api:fabric-api-catalog:${fabric_api_version}")
         }
     }
 }
@@ -48,6 +48,3 @@ include("fabric")
 findProject(":fabric").name = "Moonrise-Fabric"
 include("neoforge")
 findProject(":neoforge").name = "Moonrise-NeoForge"
-
-// includeBuild("../YamlConfig") // Uncomment to use local YamlConfig
-// includeBuild("../ConcurrentUtil") // Uncomment to use local ConcurrentUtil

src/main/java/ca/spottedleaf/moonrise/common/PlatformHooks.java

@@ -1,23 +1,25 @@
 package ca.spottedleaf.moonrise.common;
 
-import ca.spottedleaf.moonrise.patches.chunk_system.scheduling.NewChunkHolder;
+import com.mojang.datafixers.DSL;
+import com.mojang.datafixers.DataFixer;
 import net.minecraft.core.BlockPos;
 import net.minecraft.nbt.CompoundTag;
+import net.minecraft.server.level.ChunkHolder;
 import net.minecraft.server.level.GenerationChunkHolder;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.util.datafix.DataFixTypes;
 import net.minecraft.world.entity.Entity;
 import net.minecraft.world.level.BlockGetter;
 import net.minecraft.world.level.ChunkPos;
-import net.minecraft.world.level.Explosion;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.level.chunk.ChunkAccess;
 import net.minecraft.world.level.chunk.LevelChunk;
 import net.minecraft.world.level.chunk.ProtoChunk;
+import net.minecraft.world.level.chunk.storage.SerializableChunkData;
 import net.minecraft.world.level.entity.EntityTypeTest;
 import net.minecraft.world.phys.AABB;
-import net.minecraft.world.phys.Vec3;
 import java.util.List;
 import java.util.ServiceLoader;
 import java.util.function.Predicate;
@@ -33,10 +35,6 @@ public interface PlatformHooks {
 
     public Predicate<BlockState> maybeHasLightEmission();
 
-    public void onExplosion(final Level world, final Explosion explosion, final List<Entity> possiblyAffecting, final double diameter);
-
-    public Vec3 modifyExplosionKnockback(final Level world, final Explosion explosion, final Entity entity, final Vec3 original);
-
     public boolean hasCurrentlyLoadingChunk();
 
     public LevelChunk getCurrentlyLoadingChunk(final GenerationChunkHolder holder);
@@ -47,11 +45,11 @@ public interface PlatformHooks {
 
     public boolean allowAsyncTicketUpdates();
 
-    public void onChunkHolderTicketChange(final ServerLevel world, final NewChunkHolder holder, final int oldLevel, final int newLevel);
+    public void onChunkHolderTicketChange(final ServerLevel world, final ChunkHolder holder, final int oldLevel, final int newLevel);
 
     public void chunkUnloadFromWorld(final LevelChunk chunk);
 
-    public void chunkSyncSave(final ServerLevel world, final ChunkAccess chunk, final CompoundTag data);
+    public void chunkSyncSave(final ServerLevel world, final ChunkAccess chunk, final SerializableChunkData data);
 
     public void onChunkWatch(final ServerLevel world, final LevelChunk chunk, final ServerPlayer player);
 
@@ -82,12 +80,30 @@ public interface PlatformHooks {
 
     public int configPlayerMaxConcurrentGens();
 
-    public long configAutoSaveInterval();
+    public long configAutoSaveInterval(final ServerLevel world);
 
-    public int configMaxAutoSavePerTick();
+    public int configMaxAutoSavePerTick(final ServerLevel world);
 
     public boolean configFixMC159283();
 
+    // support for CB chunk mustNotSave
+    public boolean forceNoSave(final ChunkAccess chunk);
+
+    public CompoundTag convertNBT(final DSL.TypeReference type, final DataFixer dataFixer, final CompoundTag nbt,
+                                  final int fromVersion, final int toVersion);
+
+    public boolean hasMainChunkLoadHook();
+
+    public void mainChunkLoad(final ChunkAccess chunk, final SerializableChunkData chunkData);
+
+    public List<Entity> modifySavedEntities(final ServerLevel world, final int chunkX, final int chunkZ, final List<Entity> entities);
+
+    public void unloadEntity(final Entity entity);
+
+    public void postLoadProtoChunk(final ServerLevel world, final ProtoChunk chunk);
+
+    public int modifyEntityTrackingRange(final Entity entity, final int currentRange);
+
     public static final class Holder {
         private Holder() {
         }

src/main/java/ca/spottedleaf/moonrise/common/config/InitialiseHook.java

@@ -0,0 +1,7 @@
+package ca.spottedleaf.moonrise.common.config;
+
+public interface InitialiseHook {
+
+    public void initialise();
+
+}

src/main/java/ca/spottedleaf/moonrise/common/config/adapter/TypeAdapter.java

@@ -0,0 +1,11 @@
+package ca.spottedleaf.moonrise.common.config.adapter;
+
+import java.lang.reflect.Type;
+
+public abstract class TypeAdapter<T, S> {
+
+    public abstract T deserialize(final TypeAdapterRegistry registry, final Object input, final Type type);
+
+    public abstract S serialize(final TypeAdapterRegistry registry, final T value, final Type type);
+
+}

src/main/java/ca/spottedleaf/moonrise/common/config/adapter/TypeAdapterRegistry.java

@@ -0,0 +1,307 @@
+package ca.spottedleaf.moonrise.common.config.adapter;
+
+import ca.spottedleaf.moonrise.common.config.InitialiseHook;
+import ca.spottedleaf.moonrise.common.config.adapter.collection.CollectionTypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.collection.ListTypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.collection.SortedMapTypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.primitive.BooleanTypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.primitive.ByteTypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.primitive.DoubleTypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.primitive.FloatTypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.primitive.IntegerTypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.primitive.LongTypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.primitive.ShortTypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.primitive.StringTypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.type.BigDecimalTypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.type.BigIntegerTypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.type.DurationTypeAdapter;
+import ca.spottedleaf.moonrise.common.config.annotation.Adaptable;
+import ca.spottedleaf.moonrise.common.config.annotation.Serializable;
+import ca.spottedleaf.moonrise.common.config.type.Duration;
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
+import java.lang.reflect.ParameterizedType;
+import java.lang.reflect.Type;
+import java.math.BigDecimal;
+import java.math.BigInteger;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+
+public final class TypeAdapterRegistry {
+
+    private final Map<Class<?>, TypeAdapter<?, ?>> adapters = new HashMap<>();
+    {
+        this.adapters.put(boolean.class, BooleanTypeAdapter.INSTANCE);
+        this.adapters.put(byte.class, ByteTypeAdapter.INSTANCE);
+        this.adapters.put(short.class, ShortTypeAdapter.INSTANCE);
+        this.adapters.put(int.class, IntegerTypeAdapter.INSTANCE);
+        this.adapters.put(long.class, LongTypeAdapter.INSTANCE);
+        this.adapters.put(float.class, FloatTypeAdapter.INSTANCE);
+        this.adapters.put(double.class, DoubleTypeAdapter.INSTANCE);
+
+        this.adapters.put(Boolean.class, BooleanTypeAdapter.INSTANCE);
+        this.adapters.put(Byte.class, ByteTypeAdapter.INSTANCE);
+        this.adapters.put(Short.class, ShortTypeAdapter.INSTANCE);
+        this.adapters.put(Integer.class, IntegerTypeAdapter.INSTANCE);
+        this.adapters.put(Long.class, LongTypeAdapter.INSTANCE);
+        this.adapters.put(Float.class, FloatTypeAdapter.INSTANCE);
+        this.adapters.put(Double.class, DoubleTypeAdapter.INSTANCE);
+
+        this.adapters.put(String.class, StringTypeAdapter.INSTANCE);
+
+        this.adapters.put(Collection.class, CollectionTypeAdapter.INSTANCE);
+        this.adapters.put(List.class, ListTypeAdapter.INSTANCE);
+        this.adapters.put(Map.class, SortedMapTypeAdapter.SORTED_CASE_INSENSITIVE);
+        this.adapters.put(LinkedHashMap.class, SortedMapTypeAdapter.SORTED_CASE_INSENSITIVE);
+
+        this.adapters.put(BigInteger.class, BigIntegerTypeAdapter.INSTANCE);
+        this.adapters.put(BigDecimal.class, BigDecimalTypeAdapter.INSTANCE);
+        this.adapters.put(Duration.class, DurationTypeAdapter.INSTANCE);
+    }
+
+    public TypeAdapter<?, ?> putAdapter(final Class<?> clazz, final TypeAdapter<?, ?> adapter) {
+        return this.adapters.put(clazz, adapter);
+    }
+
+    public TypeAdapter<?, ?> getAdapter(final Class<?> clazz) {
+        return this.adapters.get(clazz);
+    }
+
+    public Object deserialize(final Object input, final Type type) {
+        TypeAdapter<?, ?> adapter = null;
+        if (type instanceof Class<?> clazz) {
+            adapter = this.adapters.get(clazz);
+        }
+        if (adapter == null && (type instanceof ParameterizedType parameterizedType)) {
+            adapter = this.adapters.get((Class<?>)parameterizedType.getRawType());
+        }
+
+        if (adapter == null) {
+            throw new IllegalArgumentException("No adapter for " + input.getClass() + " with type " + type);
+        }
+
+        return ((TypeAdapter)adapter).deserialize(this, input, type);
+    }
+
+    public Object serialize(final Object input, final Type type) {
+        TypeAdapter<?, ?> adapter = null;
+        if (type instanceof Class<?> clazz) {
+            adapter = this.adapters.get(clazz);
+        }
+        if (adapter == null && (type instanceof ParameterizedType parameterizedType)) {
+            adapter = this.adapters.get((Class<?>)parameterizedType.getRawType());
+        }
+        if (adapter == null) {
+            adapter = this.adapters.get(input.getClass());
+        }
+
+        if (adapter == null) {
+            throw new IllegalArgumentException("No adapter for " + input.getClass() + " with type " + type);
+        }
+
+        return ((TypeAdapter)adapter).serialize(this, input, type);
+    }
+
+    public <T> TypeAdapter<T, Map<Object, Object>> makeAdapter(final Class<? extends T> clazz) throws Exception {
+        final TypeAdapter<T, Map<Object, Object>> ret = new AutoTypeAdapter<>(this, clazz);
+
+        this.putAdapter(clazz, ret);
+
+        return ret;
+    }
+
+    public <T> void callInitialisers(final T object) {
+        if (object == null) {
+            return;
+        }
+
+        final TypeAdapter<?, ?> adapter = this.getAdapter(object.getClass());
+
+        if (!(adapter instanceof AutoTypeAdapter<?> autoTypeAdapter)) {
+            return;
+        }
+
+        ((AutoTypeAdapter<T>)autoTypeAdapter).callInitialisers(object);
+    }
+
+    private static final class AutoTypeAdapter<T> extends TypeAdapter<T, Map<Object, Object>> {
+
+        private final TypeAdapterRegistry registry;
+        private final Constructor<? extends T> constructor;
+        private final SerializableField[] fields;
+
+        public AutoTypeAdapter(final TypeAdapterRegistry registry, final Class<? extends T> clazz) throws Exception {
+            this.registry = registry;
+            this.constructor = clazz.getConstructor();
+            this.fields = findSerializableFields(registry, clazz);
+        }
+
+        private static TypeAdapter<?, ?> findOrMakeAdapter(final TypeAdapterRegistry registry, final Class<?> clazz) throws Exception {
+            final TypeAdapter<?, ?> ret = registry.getAdapter(clazz);
+            if (ret != null) {
+                return ret;
+            }
+
+            for (final Annotation annotation : clazz.getAnnotations()) {
+                if (annotation instanceof Adaptable adaptable) {
+                    return registry.makeAdapter(clazz);
+                }
+            }
+
+            throw new IllegalArgumentException("No type adapter for " + clazz + " (Forgot @Adaptable?)");
+        }
+
+        private static String makeSerializedKey(final String input) {
+            final StringBuilder ret = new StringBuilder();
+
+            for (final char c : input.toCharArray()) {
+                if (!Character.isUpperCase(c)) {
+                    ret.append(c);
+                    continue;
+                }
+                ret.append('-');
+                ret.append(Character.toLowerCase(c));
+            }
+
+            return ret.toString();
+        }
+
+        private static record SerializableField(
+                Field field,
+                boolean required,
+                String comment,
+                TypeAdapter<?, ?> adapter,
+                boolean serialize,
+                String serializedKey
+        ) {}
+
+        private static SerializableField[] findSerializableFields(final TypeAdapterRegistry registry, Class<?> clazz) throws Exception {
+            final List<SerializableField> ret = new ArrayList<>();
+            do {
+                for (final Field field : clazz.getDeclaredFields()) {
+                    field.setAccessible(true);
+
+                    for (final Annotation annotation : field.getAnnotations()) {
+                        if (!(annotation instanceof Serializable serializable)) {
+                            continue;
+                        }
+
+                        final TypeAdapter<?, ?> adapter;
+
+                        if (serializable.adapter() != TypeAdapter.class) {
+                            adapter = serializable.adapter().getConstructor().newInstance();
+                        } else {
+                            adapter = findOrMakeAdapter(registry, field.getType());
+                        }
+
+                        String serializedKey = serializable.serializedKey();
+                        if (serializedKey.isEmpty()) {
+                            serializedKey = makeSerializedKey(field.getName());
+                        }
+
+                        ret.add(new SerializableField(
+                                field, serializable.required(), serializable.comment(), adapter,
+                                serializable.serialize(), serializedKey
+                        ));
+                    }
+                }
+            } while ((clazz = clazz.getSuperclass()) != Object.class);
+
+            ret.sort((final SerializableField c1, final SerializableField c2) -> {
+                return c1.serializedKey.compareTo(c2.serializedKey);
+            });
+
+            return ret.toArray(new SerializableField[0]);
+        }
+
+        @Override
+        public T deserialize(final TypeAdapterRegistry registry, final Object input, final Type type) {
+            if (!(input instanceof Map<?,?> inputMap)) {
+                throw new IllegalArgumentException("Not a map type: " + input.getClass());
+            }
+
+            try {
+                final T ret = this.constructor.newInstance();
+
+                for (final SerializableField field : this.fields) {
+                    final Object fieldValue = inputMap.get(field.serializedKey);
+
+                    if (fieldValue == null) {
+                        if (field.required) {
+                            throw new IllegalArgumentException("Missing required field '" + field.serializedKey + "' in " + this.constructor.getDeclaringClass());
+                        }
+                        continue;
+                    }
+
+                    field.field.set(ret, field.adapter.deserialize(registry, fieldValue, field.field.getGenericType()));
+                }
+
+                return ret;
+            } catch (final Exception ex) {
+                throw new RuntimeException(ex);
+            }
+        }
+
+        @Override
+        public Map<Object, Object> serialize(final TypeAdapterRegistry registry, final T value, final Type type) {
+            final LinkedHashMap<Object, Object> ret = new LinkedHashMap<>();
+
+            for (final SerializableField field : this.fields) {
+                if (!field.serialize) {
+                    continue;
+                }
+
+                final Object fieldValue;
+                try {
+                    fieldValue = field.field.get(value);
+                } catch (final Exception ex) {
+                    throw new RuntimeException(ex);
+                }
+
+                if (fieldValue != null) {
+                    ret.put(
+                            field.comment.isBlank() ? field.serializedKey : new CommentedData(field.comment, field.serializedKey),
+                            ((TypeAdapter)field.adapter).serialize(
+                                    registry, fieldValue, field.field.getGenericType()
+                            )
+                    );
+                }
+            }
+
+            return ret;
+        }
+
+        public void callInitialisers(final T value) {
+            for (final SerializableField field : this.fields) {
+                final Object fieldValue;
+                try {
+                    fieldValue = field.field.get(value);
+                } catch (final Exception ex) {
+                    throw new RuntimeException(ex);
+                }
+
+                if (fieldValue instanceof InitialiseHook initialiseHook) {
+                    initialiseHook.initialise();
+                }
+
+                this.registry.callInitialisers(fieldValue);
+            }
+        }
+    }
+
+    public static final class CommentedData {
+
+        public final String comment;
+        public final Object data;
+
+        public CommentedData(final String comment, final Object data) {
+            this.comment = comment;
+            this.data = data;
+        }
+    }
+}

src/main/java/ca/spottedleaf/moonrise/common/config/adapter/collection/CollectionTypeAdapter.java

@@ -0,0 +1,46 @@
+package ca.spottedleaf.moonrise.common.config.adapter.collection;
+
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapterRegistry;
+import ca.spottedleaf.moonrise.common.config.adapter.primitive.StringTypeAdapter;
+import java.lang.reflect.ParameterizedType;
+import java.lang.reflect.Type;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+public final class CollectionTypeAdapter extends TypeAdapter<Collection<Object>, List<Object>> {
+
+    public static final CollectionTypeAdapter INSTANCE = new CollectionTypeAdapter();
+
+    @Override
+    public Collection<Object> deserialize(final TypeAdapterRegistry registry, final Object input, final Type type) {
+        if (!(type instanceof ParameterizedType parameterizedType)) {
+            throw new IllegalArgumentException("Collection field must specify generic type");
+        }
+        final Type elementType = parameterizedType.getActualTypeArguments()[0];
+        if (input instanceof Collection<?> collection) {
+            final List<Object> ret = new ArrayList<>(collection.size());
+
+            for (final Object v : collection) {
+                ret.add(registry.deserialize(v, elementType));
+            }
+
+            return ret;
+        }
+        throw new IllegalArgumentException("Not a collection type: " + input.getClass());
+    }
+
+    @Override
+    public List<Object> serialize(final TypeAdapterRegistry registry, final Collection<Object> value, final Type type) {
+        final List<Object> ret = new ArrayList<>(value.size());
+
+        final Type elementType = type instanceof ParameterizedType parameterizedType ? parameterizedType.getActualTypeArguments()[0] : null;
+
+        for (final Object v : value) {
+            ret.add(registry.serialize(v, elementType == null ? v.getClass() : elementType));
+        }
+
+        return ret;
+    }
+}

src/main/java/ca/spottedleaf/moonrise/common/config/adapter/collection/ListTypeAdapter.java

@@ -0,0 +1,45 @@
+package ca.spottedleaf.moonrise.common.config.adapter.collection;
+
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapterRegistry;
+import java.lang.reflect.ParameterizedType;
+import java.lang.reflect.Type;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+public final class ListTypeAdapter extends TypeAdapter<List<Object>, List<Object>> {
+
+    public static final ListTypeAdapter INSTANCE = new ListTypeAdapter();
+
+    @Override
+    public List<Object> deserialize(final TypeAdapterRegistry registry, final Object input, final Type type) {
+        if (!(type instanceof ParameterizedType parameterizedType)) {
+            throw new IllegalArgumentException("Collection field must specify generic type");
+        }
+        final Type elementType = parameterizedType.getActualTypeArguments()[0];
+        if (input instanceof Collection<?> collection) {
+            final List<Object> ret = new ArrayList<>(collection.size());
+
+            for (final Object v : collection) {
+                ret.add(registry.deserialize(v, elementType));
+            }
+
+            return ret;
+        }
+        throw new IllegalArgumentException("Not a collection type: " + input.getClass());
+    }
+
+    @Override
+    public List<Object> serialize(final TypeAdapterRegistry registry, final List<Object> value, final Type type) {
+        final List<Object> ret = new ArrayList<>(value.size());
+
+        final Type elementType = type instanceof ParameterizedType parameterizedType ? parameterizedType.getActualTypeArguments()[0] : null;
+
+        for (final Object v : value) {
+            ret.add(registry.serialize(v, elementType));
+        }
+
+        return ret;
+    }
+}

src/main/java/ca/spottedleaf/moonrise/common/config/adapter/collection/SortedMapTypeAdapter.java

@@ -0,0 +1,59 @@
+package ca.spottedleaf.moonrise.common.config.adapter.collection;
+
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapterRegistry;
+import java.lang.reflect.ParameterizedType;
+import java.lang.reflect.Type;
+import java.util.Comparator;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.TreeMap;
+
+public final class SortedMapTypeAdapter extends TypeAdapter<Map<String, Object>, Map<String, Object>> {
+
+    public static final SortedMapTypeAdapter SORTED_CASE_INSENSITIVE = new SortedMapTypeAdapter(String.CASE_INSENSITIVE_ORDER);
+    public static final SortedMapTypeAdapter SORTED_CASE_SENSITIVE = new SortedMapTypeAdapter(null);
+
+    private final Comparator<String> keyComparator;
+
+    public SortedMapTypeAdapter(final Comparator<String> keyComparator) {
+        this.keyComparator = keyComparator;
+    }
+
+    @Override
+    public Map<String, Object> deserialize(final TypeAdapterRegistry registry, final Object input, final Type type) {
+        if (!(type instanceof ParameterizedType parameterizedType)) {
+            throw new IllegalArgumentException("Collection field must specify generic type");
+        }
+        final Type valueType = parameterizedType.getActualTypeArguments()[1];
+        if (input instanceof Map<?,?> inputMap) {
+            final Map<String, Object> castedInput = (Map<String, Object>)inputMap;
+
+            final TreeMap<String, Object> ret = new TreeMap<>(this.keyComparator);
+
+            for (final Map.Entry<String, Object> entry : castedInput.entrySet()) {
+                ret.put(entry.getKey(), registry.deserialize(entry.getValue(), valueType));
+            }
+
+            // transform to linked so that get() is O(1)
+            return new LinkedHashMap<>(ret);
+        }
+
+        throw new IllegalArgumentException("Not a map type: " + input.getClass());
+    }
+
+    @Override
+    public Map<String, Object> serialize(final TypeAdapterRegistry registry, final Map<String, Object> value, final Type type) {
+        final TreeMap<String, Object> ret = new TreeMap<>(this.keyComparator);
+
+        final Type valueType = type instanceof ParameterizedType parameterizedType ? parameterizedType.getActualTypeArguments()[1] : null;
+
+        for (final Map.Entry<String, Object> entry : value.entrySet()) {
+            ret.put(entry.getKey(), registry.serialize(entry.getValue(), valueType));
+        }
+
+        // transform to linked so that get() is O(1)
+        return new LinkedHashMap<>(ret);
+    }
+
+}

src/main/java/ca/spottedleaf/moonrise/common/config/adapter/collection/UnsortedMapTypeAdapter.java

@@ -0,0 +1,47 @@
+package ca.spottedleaf.moonrise.common.config.adapter.collection;
+
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapterRegistry;
+import java.lang.reflect.ParameterizedType;
+import java.lang.reflect.Type;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+public final class UnsortedMapTypeAdapter extends TypeAdapter<Map<String, Object>, Map<String, Object>> {
+
+    public static final UnsortedMapTypeAdapter INSTANCE = new UnsortedMapTypeAdapter();
+
+    @Override
+    public Map<String, Object> deserialize(final TypeAdapterRegistry registry, final Object input, final Type type) {
+        if (!(type instanceof ParameterizedType parameterizedType)) {
+            throw new IllegalArgumentException("Collection field must specify generic type");
+        }
+        final Type valueType = parameterizedType.getActualTypeArguments()[1];
+        if (input instanceof Map<?,?> inputMap) {
+            final Map<String, Object> castedInput = (Map<String, Object>)inputMap;
+
+            final LinkedHashMap<String, Object> ret = new LinkedHashMap<>();
+
+            for (final Map.Entry<String, Object> entry : castedInput.entrySet()) {
+                ret.put(entry.getKey(), registry.deserialize(entry.getValue(), valueType));
+            }
+
+            return ret;
+        }
+
+        throw new IllegalArgumentException("Not a map type: " + input.getClass());
+    }
+
+    @Override
+    public Map<String, Object> serialize(final TypeAdapterRegistry registry, final Map<String, Object> value, final Type type) {
+        final LinkedHashMap<String, Object> ret = new LinkedHashMap<>();
+
+        final Type valueType = type instanceof ParameterizedType parameterizedType ? parameterizedType.getActualTypeArguments()[1] : null;
+
+        for (final Map.Entry<String, Object> entry : value.entrySet()) {
+            ret.put(entry.getKey(), registry.serialize(entry.getValue(), valueType));
+        }
+
+        return ret;
+    }
+}

src/main/java/ca/spottedleaf/moonrise/common/config/adapter/primitive/BooleanTypeAdapter.java

@@ -0,0 +1,33 @@
+package ca.spottedleaf.moonrise.common.config.adapter.primitive;
+
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapterRegistry;
+import java.lang.reflect.Type;
+
+public final class BooleanTypeAdapter extends TypeAdapter<Boolean, Boolean> {
+
+    public static final BooleanTypeAdapter INSTANCE = new BooleanTypeAdapter();
+
+    @Override
+    public Boolean deserialize(final TypeAdapterRegistry registry, final Object input, final Type type) {
+        if (input instanceof Boolean ret) {
+            return ret;
+        }
+        if (input instanceof String str) {
+            if (str.equalsIgnoreCase("false")) {
+                return Boolean.FALSE;
+            }
+            if (str.equalsIgnoreCase("true")) {
+                return Boolean.TRUE;
+            }
+            throw new IllegalArgumentException("Not a boolean: " + str);
+        }
+
+        throw new IllegalArgumentException("Not a boolean type: " + input.getClass());
+    }
+
+    @Override
+    public Boolean serialize(final TypeAdapterRegistry registry, final Boolean value, final Type type) {
+        return value;
+    }
+}

src/main/java/ca/spottedleaf/moonrise/common/config/adapter/primitive/ByteTypeAdapter.java

@@ -0,0 +1,36 @@
+package ca.spottedleaf.moonrise.common.config.adapter.primitive;
+
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapterRegistry;
+import java.lang.reflect.Type;
+import java.math.BigInteger;
+
+public final class ByteTypeAdapter extends TypeAdapter<Byte, Byte> {
+
+    public static final ByteTypeAdapter INSTANCE = new ByteTypeAdapter();
+
+    private static Byte cast(final Object original, final long value) {
+        if (value < (long)Byte.MIN_VALUE || value > (long)Byte.MAX_VALUE) {
+            throw new IllegalArgumentException("Byte value is out of range: " + original.toString());
+        }
+        return Byte.valueOf((byte)value);
+    }
+
+    @Override
+    public Byte deserialize(final TypeAdapterRegistry registry, final Object input, final Type type) {
+        if (input instanceof Number number) {
+            // note: silently discard floating point significand
+            return cast(input, number instanceof BigInteger bigInteger ? bigInteger.longValueExact() : number.longValue());
+        }
+        if (input instanceof String string) {
+            return cast(input, (long)Double.parseDouble(string));
+        }
+
+        throw new IllegalArgumentException("Not a byte type: " + input.getClass());
+    }
+
+    @Override
+    public Byte serialize(final TypeAdapterRegistry registry, final Byte value, final Type type) {
+        return value;
+    }
+}

src/main/java/ca/spottedleaf/moonrise/common/config/adapter/primitive/DoubleTypeAdapter.java

@@ -0,0 +1,27 @@
+package ca.spottedleaf.moonrise.common.config.adapter.primitive;
+
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapterRegistry;
+import java.lang.reflect.Type;
+
+public final class DoubleTypeAdapter extends TypeAdapter<Double, Double> {
+
+    public static final DoubleTypeAdapter INSTANCE = new DoubleTypeAdapter();
+
+    @Override
+    public Double deserialize(final TypeAdapterRegistry registry, final Object input, final Type type) {
+        if (input instanceof Number number) {
+            return Double.valueOf(number.doubleValue());
+        }
+        if (input instanceof String string) {
+            return Double.valueOf(Double.parseDouble(string));
+        }
+
+        throw new IllegalArgumentException("Not a byte type: " + input.getClass());
+    }
+
+    @Override
+    public Double serialize(final TypeAdapterRegistry registry, final Double value, final Type type) {
+        return value;
+    }
+}

src/main/java/ca/spottedleaf/moonrise/common/config/adapter/primitive/FloatTypeAdapter.java

@@ -0,0 +1,35 @@
+package ca.spottedleaf.moonrise.common.config.adapter.primitive;
+
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapterRegistry;
+import java.lang.reflect.Type;
+
+public final class FloatTypeAdapter extends TypeAdapter<Float, Float> {
+
+    public static final FloatTypeAdapter INSTANCE = new FloatTypeAdapter();
+
+    private static Float cast(final Object original, final double value) {
+        if (value < -(double)Float.MAX_VALUE || value > (double)Float.MAX_VALUE) {
+            throw new IllegalArgumentException("Byte value is out of range: " + original.toString());
+        }
+        // note: silently ignore precision loss
+        return Float.valueOf((float)value);
+    }
+
+    @Override
+    public Float deserialize(final TypeAdapterRegistry registry, final Object input, final Type type) {
+        if (input instanceof Number number) {
+            return cast(input, number.doubleValue());
+        }
+        if (input instanceof String string) {
+            return cast(input, Double.parseDouble(string));
+        }
+
+        throw new IllegalArgumentException("Not a byte type: " + input.getClass());
+    }
+
+    @Override
+    public Float serialize(final TypeAdapterRegistry registry, final Float value, final Type type) {
+        return value;
+    }
+}

src/main/java/ca/spottedleaf/moonrise/common/config/adapter/primitive/IntegerTypeAdapter.java

@@ -0,0 +1,36 @@
+package ca.spottedleaf.moonrise.common.config.adapter.primitive;
+
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapterRegistry;
+import java.lang.reflect.Type;
+import java.math.BigInteger;
+
+public final class IntegerTypeAdapter extends TypeAdapter<Integer, Integer> {
+
+    public static final IntegerTypeAdapter INSTANCE = new IntegerTypeAdapter();
+
+    private static Integer cast(final Object original, final long value) {
+        if (value < (long)Integer.MIN_VALUE || value > (long)Integer.MAX_VALUE) {
+            throw new IllegalArgumentException("Integer value is out of range: " + original.toString());
+        }
+        return Integer.valueOf((int)value);
+    }
+
+    @Override
+    public Integer deserialize(final TypeAdapterRegistry registry, final Object input, final Type type) {
+        if (input instanceof Number number) {
+            // note: silently discard floating point significand
+            return cast(input, number instanceof BigInteger bigInteger ? bigInteger.longValueExact() : number.longValue());
+        }
+        if (input instanceof String string) {
+            return cast(input, (long)Double.parseDouble(string));
+        }
+
+        throw new IllegalArgumentException("Not an integer type: " + input.getClass());
+    }
+
+    @Override
+    public Integer serialize(final TypeAdapterRegistry registry, final Integer value, final Type type) {
+        return value;
+    }
+}

src/main/java/ca/spottedleaf/moonrise/common/config/adapter/primitive/LongTypeAdapter.java

@@ -0,0 +1,33 @@
+package ca.spottedleaf.moonrise.common.config.adapter.primitive;
+
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapterRegistry;
+import java.lang.reflect.Type;
+import java.math.BigInteger;
+
+public final class LongTypeAdapter extends TypeAdapter<Long, Long> {
+
+    public static final LongTypeAdapter INSTANCE = new LongTypeAdapter();
+
+    @Override
+    public Long deserialize(final TypeAdapterRegistry registry, final Object input, final Type type) {
+        if (input instanceof Number number) {
+            // note: silently discard floating point significand
+            return number instanceof BigInteger bigInteger ? bigInteger.longValueExact() : number.longValue();
+        }
+        if (input instanceof String string) {
+            try {
+                return Long.valueOf(Long.parseLong(string));
+            } catch (final NumberFormatException ex) {
+                return Long.valueOf((long)Double.parseDouble(string));
+            }
+        }
+
+        throw new IllegalArgumentException("Not a long type: " + input.getClass());
+    }
+
+    @Override
+    public Long serialize(final TypeAdapterRegistry registry, final Long value, final Type type) {
+        return value;
+    }
+}

src/main/java/ca/spottedleaf/moonrise/common/config/adapter/primitive/ShortTypeAdapter.java

@@ -0,0 +1,36 @@
+package ca.spottedleaf.moonrise.common.config.adapter.primitive;
+
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapterRegistry;
+import java.lang.reflect.Type;
+import java.math.BigInteger;
+
+public final class ShortTypeAdapter extends TypeAdapter<Short, Short> {
+
+    public static final ShortTypeAdapter INSTANCE = new ShortTypeAdapter();
+
+    private static Short cast(final Object original, final long value) {
+        if (value < (long)Short.MIN_VALUE || value > (long)Short.MAX_VALUE) {
+            throw new IllegalArgumentException("Short value is out of range: " + original.toString());
+        }
+        return Short.valueOf((short)value);
+    }
+
+    @Override
+    public Short deserialize(final TypeAdapterRegistry registry, final Object input, final Type type) {
+        if (input instanceof Number number) {
+            // note: silently discard floating point significand
+            return cast(input, number instanceof BigInteger bigInteger ? bigInteger.longValueExact() : number.longValue());
+        }
+        if (input instanceof String string) {
+            return cast(input, (long)Double.parseDouble(string));
+        }
+
+        throw new IllegalArgumentException("Not a short type: " + input.getClass());
+    }
+
+    @Override
+    public Short serialize(final TypeAdapterRegistry registry, final Short value, final Type type) {
+        return value;
+    }
+}

src/main/java/ca/spottedleaf/moonrise/common/config/adapter/primitive/StringTypeAdapter.java

@@ -0,0 +1,29 @@
+package ca.spottedleaf.moonrise.common.config.adapter.primitive;
+
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapterRegistry;
+import java.lang.reflect.Type;
+
+public final class StringTypeAdapter extends TypeAdapter<String, String> {
+
+    public static final StringTypeAdapter INSTANCE = new StringTypeAdapter();
+
+    @Override
+    public String deserialize(final TypeAdapterRegistry registry, final Object input, final Type type) {
+        if (input instanceof Boolean bool) {
+            return String.valueOf(bool.booleanValue());
+        }
+        if (input instanceof Number number) {
+            return number.toString();
+        }
+        if (input instanceof String string) {
+            return string;
+        }
+        throw new IllegalArgumentException("Not a string type: " + input.getClass());
+    }
+
+    @Override
+    public String serialize(final TypeAdapterRegistry registry, final String value, final Type type) {
+        return value;
+    }
+}

src/main/java/ca/spottedleaf/moonrise/common/config/adapter/type/BigDecimalTypeAdapter.java

@@ -0,0 +1,30 @@
+package ca.spottedleaf.moonrise.common.config.adapter.type;
+
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapterRegistry;
+import java.lang.reflect.Type;
+import java.math.BigDecimal;
+import java.math.BigInteger;
+
+public final class BigDecimalTypeAdapter extends TypeAdapter<BigDecimal, String> {
+
+    public static final BigDecimalTypeAdapter INSTANCE = new BigDecimalTypeAdapter();
+
+    @Override
+    public BigDecimal deserialize(final TypeAdapterRegistry registry, final Object input, final Type type) {
+        if (input instanceof Number number) {
+            // safest to catch all number impls is to use toString
+            return new BigDecimal(number.toString());
+        }
+        if (input instanceof String string) {
+            return new BigDecimal(string);
+        }
+
+        throw new IllegalArgumentException("Not an BigDecimal type: " + input.getClass());
+    }
+
+    @Override
+    public String serialize(final TypeAdapterRegistry registry, final BigDecimal value, final Type type) {
+        return value.toString();
+    }
+}

src/main/java/ca/spottedleaf/moonrise/common/config/adapter/type/BigIntegerTypeAdapter.java

@@ -0,0 +1,37 @@
+package ca.spottedleaf.moonrise.common.config.adapter.type;
+
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapterRegistry;
+import java.lang.reflect.Type;
+import java.math.BigDecimal;
+import java.math.BigInteger;
+
+public final class BigIntegerTypeAdapter extends TypeAdapter<BigInteger, String> {
+
+    public static final BigIntegerTypeAdapter INSTANCE = new BigIntegerTypeAdapter();
+
+    @Override
+    public BigInteger deserialize(final TypeAdapterRegistry registry, final Object input, final Type type) {
+        if (input instanceof Number number) {
+            if (number instanceof BigInteger bigInteger) {
+                return bigInteger;
+            }
+            // note: silently discard floating point significand
+            if (number instanceof BigDecimal bigDecimal) {
+                return bigDecimal.toBigInteger();
+            }
+
+            return BigInteger.valueOf(number.longValue());
+        }
+        if (input instanceof String string) {
+            return new BigDecimal(string).toBigInteger();
+        }
+
+        throw new IllegalArgumentException("Not an BigInteger type: " + input.getClass());
+    }
+
+    @Override
+    public String serialize(final TypeAdapterRegistry registry, final BigInteger value, final Type type) {
+        return value.toString();
+    }
+}

src/main/java/ca/spottedleaf/moonrise/common/config/adapter/type/DurationTypeAdapter.java

@@ -0,0 +1,24 @@
+package ca.spottedleaf.moonrise.common.config.adapter.type;
+
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapterRegistry;
+import ca.spottedleaf.moonrise.common.config.type.Duration;
+import java.lang.reflect.Type;
+
+public final class DurationTypeAdapter extends TypeAdapter<Duration, String> {
+
+    public static final DurationTypeAdapter INSTANCE = new DurationTypeAdapter();
+
+    @Override
+    public Duration deserialize(final TypeAdapterRegistry registry, final Object input, final Type type) {
+        if (!(input instanceof String string)) {
+            throw new IllegalArgumentException("Not a string: " + input.getClass());
+        }
+        return Duration.parse(string);
+    }
+
+    @Override
+    public String serialize(final TypeAdapterRegistry registry, final Duration value, final Type type) {
+        return value.toString();
+    }
+}

src/main/java/ca/spottedleaf/moonrise/common/config/annotation/Adaptable.java

@@ -0,0 +1,15 @@
+package ca.spottedleaf.moonrise.common.config.annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Annotation used on a class to indicate that its type adapter may automatically be generated. The class must have
+ * a public no-args constructor.
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface Adaptable {
+}

src/main/java/ca/spottedleaf/moonrise/common/config/annotation/Serializable.java

@@ -0,0 +1,45 @@
+package ca.spottedleaf.moonrise.common.config.annotation;
+
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapter;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+import java.util.function.Function;
+
+/**
+ * Annotation indicating that a field should be deserialized or serialized from the config.
+ * By default, this annotation is not assumed.
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.FIELD)
+public @interface Serializable {
+
+    /**
+     * Indicates whether this field is required to be present in the config. If the field is not present,
+     * and {@code required = true}, then an exception will be thrown during deserialization. If {@code required = false}
+     * and the field is not present, then the field value will remain unmodified.
+     */
+    public boolean required() default false;
+
+    /**
+     * The comment to apply before the element when serializing.
+     */
+    public String comment() default "";
+
+    /**
+     * Adapter override class. The class must have a public no-args constructor.
+     */
+    public Class<? extends TypeAdapter> adapter() default TypeAdapter.class;
+
+    /**
+     * Whether to serialize the value to the config.
+     */
+    public boolean serialize() default true;
+
+    /**
+     * When not empty, this value overrides the auto generated serialized key in the config.
+     */
+    public String serializedKey() default "";
+
+}

src/main/java/ca/spottedleaf/moonrise/common/config/config/YamlConfig.java

@@ -0,0 +1,178 @@
+package ca.spottedleaf.moonrise.common.config.config;
+
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapterRegistry;
+import org.yaml.snakeyaml.DumperOptions;
+import org.yaml.snakeyaml.LoaderOptions;
+import org.yaml.snakeyaml.Yaml;
+import org.yaml.snakeyaml.comments.CommentLine;
+import org.yaml.snakeyaml.comments.CommentType;
+import org.yaml.snakeyaml.constructor.Constructor;
+import org.yaml.snakeyaml.nodes.Node;
+import org.yaml.snakeyaml.representer.Represent;
+import org.yaml.snakeyaml.representer.Representer;
+import java.io.BufferedInputStream;
+import java.io.BufferedOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.StringReader;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.AtomicMoveNotSupportedException;
+import java.nio.file.Files;
+import java.nio.file.StandardCopyOption;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.TreeMap;
+
+public final class YamlConfig<T> {
+
+    public final TypeAdapterRegistry typeAdapters;
+
+    private final Class<? extends T> clazz;
+
+    public volatile T config;
+
+    private final Yaml yaml;
+    private final LoaderOptions loaderOptions;
+    private final DumperOptions dumperOptions;
+
+    public YamlConfig(final Class<? extends T> clazz, final T dfl) throws Exception {
+        this(clazz, dfl, new TypeAdapterRegistry());
+    }
+
+    public YamlConfig(final Class<? extends T> clazz, final T dfl, final TypeAdapterRegistry registry) throws Exception {
+        this.clazz = clazz;
+        this.config = dfl;
+        this.typeAdapters = registry;
+        this.typeAdapters.makeAdapter(clazz);
+
+        final LoaderOptions loaderOptions = new LoaderOptions();
+        loaderOptions.setProcessComments(true);
+
+        final DumperOptions dumperOptions = new DumperOptions();
+        dumperOptions.setProcessComments(true);
+        dumperOptions.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
+
+        this.loaderOptions = loaderOptions;
+        this.dumperOptions = dumperOptions;
+        this.yaml = new Yaml(new YamlConstructor(loaderOptions), new YamlRepresenter(dumperOptions), dumperOptions, loaderOptions);
+    }
+
+    public void load(final File file) throws IOException {
+        try (final InputStream is = new BufferedInputStream(new FileInputStream(file))) {
+            this.load(is);
+        }
+    }
+
+    public void load(final InputStream is) throws IOException {
+        final Object serialized = this.yaml.load(new InputStreamReader(is, StandardCharsets.UTF_8));
+
+        this.config = (T)this.typeAdapters.deserialize(serialized, this.clazz);
+    }
+
+    public void save(final File file) throws IOException {
+        this.save(file, "");
+    }
+
+    public void save(final File file, final String header) throws IOException {
+        if (file.isDirectory()) {
+            throw new IOException("File is a directory");
+        }
+
+        final File parent = file.getParentFile();
+        if (parent != null) {
+            parent.mkdirs();
+        }
+
+        final File tmp = new File(parent, file.getName() + ".tmp");
+        tmp.delete();
+        tmp.createNewFile();
+        try {
+            try (final OutputStream os = new BufferedOutputStream(new FileOutputStream(tmp))) {
+                this.save(os, header);
+            }
+
+            try {
+                Files.move(tmp.toPath(), file.toPath(), StandardCopyOption.REPLACE_EXISTING, StandardCopyOption.ATOMIC_MOVE);
+            } catch (final AtomicMoveNotSupportedException ex) {
+                Files.move(tmp.toPath(), file.toPath(), StandardCopyOption.REPLACE_EXISTING);
+            }
+        } finally {
+            tmp.delete();
+        }
+    }
+
+    public void save(final OutputStream os) throws IOException {
+        os.write(this.saveToString().getBytes(StandardCharsets.UTF_8));
+    }
+
+    public void save(final OutputStream os, final String header) throws IOException {
+        os.write(this.saveToString(header).getBytes(StandardCharsets.UTF_8));
+    }
+
+    public String saveToString() {
+        return this.yaml.dump(this.typeAdapters.serialize(this.config, this.clazz));
+    }
+
+    public String saveToString(final String header) {
+        if (header.isBlank()) {
+            return this.saveToString();
+        }
+
+        final StringBuilder ret = new StringBuilder();
+        final String lineBreak = this.dumperOptions.getLineBreak().getString();
+
+        for (final String line : header.split("\n")) {
+            ret.append("# ").append(line.trim()).append(lineBreak);
+        }
+
+        ret.append(lineBreak);
+
+        return ret.append(this.saveToString()).toString();
+    }
+
+    public void callInitialisers() {
+        this.typeAdapters.callInitialisers(this.config);
+    }
+
+    private static final class YamlConstructor extends Constructor {
+
+        public YamlConstructor(final LoaderOptions loadingConfig) {
+            super(loadingConfig);
+        }
+    }
+
+    private static final class YamlRepresenter extends Representer {
+
+        public YamlRepresenter(final DumperOptions options) {
+            super(options);
+
+            this.representers.put(TypeAdapterRegistry.CommentedData.class, new CommentedDataRepresenter());
+        }
+
+        private final class CommentedDataRepresenter implements Represent {
+
+            @Override
+            public Node representData(final Object data0) {
+                final TypeAdapterRegistry.CommentedData commentedData = (TypeAdapterRegistry.CommentedData)data0;
+
+                final Node node = YamlRepresenter.this.representData(commentedData.data);
+
+                final List<CommentLine> comments = new ArrayList<>();
+
+                for (final String line : commentedData.comment.split("\n")) {
+                    comments.add(new CommentLine(null, null, " ".concat(line.trim()), CommentType.BLOCK));
+                }
+
+                node.setBlockComments(comments);
+
+                return node;
+            }
+        }
+    }
+}

src/main/java/ca/spottedleaf/moonrise/common/config/moonrise/MoonriseConfig.java

@@ -1,12 +1,12 @@
 package ca.spottedleaf.moonrise.common.config.moonrise;
 
+import ca.spottedleaf.moonrise.common.config.InitialiseHook;
+import ca.spottedleaf.moonrise.common.config.annotation.Adaptable;
 import ca.spottedleaf.moonrise.common.config.ui.ClothConfig;
+import ca.spottedleaf.moonrise.common.config.annotation.Serializable;
+import ca.spottedleaf.moonrise.common.config.type.Duration;
 import ca.spottedleaf.moonrise.common.util.MoonriseCommon;
 import ca.spottedleaf.moonrise.patches.chunk_system.scheduling.ChunkTaskScheduler;
-import ca.spottedleaf.yamlconfig.InitialiseHook;
-import ca.spottedleaf.yamlconfig.annotation.Adaptable;
-import ca.spottedleaf.yamlconfig.annotation.Serializable;
-import ca.spottedleaf.yamlconfig.type.Duration;
 
 @Adaptable
 public final class MoonriseConfig {
@@ -251,21 +251,4 @@ public final class MoonriseConfig {
         )
         public boolean fixMC159283 = false;
     }
-
-    @Serializable
-    public Misc misc = new Misc();
-
-    @Adaptable
-    public static final class Misc {
-
-        @Serializable(
-            serializedKey = "immediately-close-loading-screen",
-            comment = """
-                        Whether the loading screen should be closed immediately when joining servers/SP worlds.
-                        This will let you in game faster, but may result in getting in game before enough chunks are
-                        loaded for rendering.
-                        """
-        )
-        public boolean immediatelyCloseLoadingScreen = false;
-    }
 }

src/main/java/ca/spottedleaf/moonrise/common/config/moonrise/adapter/DefaultedTypeAdapter.java

@@ -0,0 +1,38 @@
+package ca.spottedleaf.moonrise.common.config.moonrise.adapter;
+
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapter;
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapterRegistry;
+import ca.spottedleaf.moonrise.common.config.moonrise.type.DefaultedValue;
+import java.lang.reflect.ParameterizedType;
+import java.lang.reflect.Type;
+
+public final class DefaultedTypeAdapter extends TypeAdapter<DefaultedValue<?>, Object> {
+
+    private static final String DEFAULT_STRING = "default";
+
+    @Override
+    public DefaultedValue<?> deserialize(final TypeAdapterRegistry registry, final Object input, final Type type) {
+        if (input instanceof String string && string.equalsIgnoreCase(DEFAULT_STRING)) {
+            return new DefaultedValue<>();
+        }
+
+        if (!(type instanceof ParameterizedType parameterizedType)) {
+            throw new IllegalArgumentException("DefaultedValue field must specify generic type");
+        }
+        final Type valueType = parameterizedType.getActualTypeArguments()[0];
+
+        return new DefaultedValue<>(registry.deserialize(input, valueType));
+    }
+
+    @Override
+    public Object serialize(final TypeAdapterRegistry registry, final DefaultedValue<?> value, final Type type) {
+        final Object raw = value.getValueRaw();
+        if (raw == null) {
+            return DEFAULT_STRING;
+        }
+
+        final Type valueType = type instanceof ParameterizedType parameterizedType ? parameterizedType.getActualTypeArguments()[0] : null;
+
+        return registry.serialize(raw, valueType);
+    }
+}

src/main/java/ca/spottedleaf/moonrise/common/config/moonrise/type/DefaultedValue.java

@@ -0,0 +1,22 @@
+package ca.spottedleaf.moonrise.common.config.moonrise.type;
+
+public final class DefaultedValue<T> {
+
+    private final T value;
+
+    public DefaultedValue() {
+        this(null);
+    }
+
+    public DefaultedValue(final T value) {
+        this.value = value;
+    }
+
+    public T getValueRaw() {
+        return value;
+    }
+
+    public T getOrDefault(final T dfl) {
+        return this.value != null ? this.value : dfl;
+    }
+}

src/main/java/ca/spottedleaf/moonrise/common/config/type/Duration.java

@@ -0,0 +1,76 @@
+package ca.spottedleaf.moonrise.common.config.type;
+
+import java.math.BigDecimal;
+
+public final class Duration {
+
+    private final String string;
+    private final long timeNS;
+
+    private Duration(final String string, final long timeNS) {
+        this.string = string;
+        this.timeNS = timeNS;
+    }
+
+    public static Duration parse(final String value) {
+        if (value.length() < 2) {
+            throw new IllegalArgumentException("Invalid duration: " + value);
+        }
+
+        final char last = value.charAt(value.length() - 1);
+
+        final long multiplier;
+
+        switch (last) {
+            case 's': {
+                multiplier = (1000L * 1000L * 1000L) * 1L;
+                break;
+            }
+            case 't': {
+                multiplier = (1000L * 1000L * 1000L) / 20L;
+                break;
+            }
+            case 'm': {
+                multiplier = (1000L * 1000L * 1000L) * 60L;
+                break;
+            }
+            case 'h': {
+                multiplier = (1000L * 1000L * 1000L) * 60L * 60L;
+                break;
+            }
+            case 'd': {
+                multiplier = (1000L * 1000L * 1000L) * 24L * 60L * 60L;
+                break;
+            }
+            default: {
+                throw new IllegalArgumentException("Duration must end with one of: [s, t, m, h, d]");
+            }
+        }
+
+        final BigDecimal parsed = new BigDecimal(value.substring(0, value.length() - 1))
+                .multiply(new BigDecimal(multiplier));
+
+        return new Duration(value, parsed.toBigInteger().longValueExact());
+    }
+
+    public long getTimeNS() {
+        return this.timeNS;
+    }
+
+    public long getTimeMS() {
+        return this.timeNS / (1000L * 1000L);
+    }
+
+    public long getTimeS() {
+        return this.timeNS / (1000L * 1000L * 1000L);
+    }
+
+    public long getTimeTicks() {
+        return this.timeNS / ((1000L * 1000L * 1000L) / (20L));
+    }
+
+    @Override
+    public String toString() {
+        return this.string;
+    }
+}

src/main/java/ca/spottedleaf/moonrise/common/misc/NearbyPlayers.java

@@ -122,7 +122,7 @@ public final class NearbyPlayers {
         players[NearbyMapType.GENERAL_SMALL.ordinal()].update(chunk.x, chunk.z, GENERAL_SMALL_VIEW_DISTANCE);
         players[NearbyMapType.GENERAL_REALLY_SMALL.ordinal()].update(chunk.x, chunk.z, GENERAL_REALLY_SMALL_VIEW_DISTANCE);
         players[NearbyMapType.TICK_VIEW_DISTANCE.ordinal()].update(chunk.x, chunk.z, ChunkSystem.getTickViewDistance(player));
-        players[NearbyMapType.VIEW_DISTANCE.ordinal()].update(chunk.x, chunk.z, ChunkSystem.getViewDistance(player));
+        players[NearbyMapType.VIEW_DISTANCE.ordinal()].update(chunk.x, chunk.z, ChunkSystem.getLoadViewDistance(player));
         players[NearbyMapType.SPAWN_RANGE.ordinal()].update(chunk.x, chunk.z, ChunkTickConstants.PLAYER_SPAWN_TRACK_RANGE); // Moonrise - chunk tick iteration
     }
 

src/main/java/ca/spottedleaf/moonrise/common/misc/PositionCountingAreaMap.java

@@ -2,6 +2,7 @@ package ca.spottedleaf.moonrise.common.misc;
 
 import ca.spottedleaf.concurrentutil.util.IntPairUtil;
 import it.unimi.dsi.fastutil.longs.Long2IntOpenHashMap;
+import it.unimi.dsi.fastutil.longs.LongSet;
 import it.unimi.dsi.fastutil.objects.Reference2ReferenceOpenHashMap;
 import it.unimi.dsi.fastutil.objects.ReferenceSet;
 
@@ -14,6 +15,10 @@ public final class PositionCountingAreaMap<T> {
         return this.counters.keySet();
     }
 
+    public LongSet getPositions() {
+        return this.positions.keySet();
+    }
+
     public int getTotalPositions() {
         return this.positions.size();
     }

src/main/java/ca/spottedleaf/moonrise/common/util/ChunkSystem.java

@@ -118,7 +118,7 @@ public final class ChunkSystem {
                 ((ChunkSystemLevelChunk)chunk).moonrise$getChunkAndHolder()
         );
         if (!((ChunkSystemLevelChunk)chunk).moonrise$isPostProcessingDone()) {
-            chunk.postProcessGeneration();
+            chunk.postProcessGeneration((ServerLevel)chunk.getLevel());
         }
         ((ServerLevel)chunk.getLevel()).startTickingChunk(chunk);
         ((ServerLevel)chunk.getLevel()).getChunkSource().chunkMap.tickingGenerated.incrementAndGet();
@@ -152,8 +152,8 @@ public final class ChunkSystem {
         return RegionizedPlayerChunkLoader.getAPISendViewDistance(player);
     }
 
-    public static int getViewDistance(final ServerPlayer player) {
-        return RegionizedPlayerChunkLoader.getAPIViewDistance(player);
+    public static int getLoadViewDistance(final ServerPlayer player) {
+        return RegionizedPlayerChunkLoader.getLoadViewDistance(player);
     }
 
     public static int getTickViewDistance(final ServerPlayer player) {

src/main/java/ca/spottedleaf/moonrise/common/util/ConfigHolder.java

@@ -1,8 +1,11 @@
 package ca.spottedleaf.moonrise.common.util;
 
+import ca.spottedleaf.moonrise.common.PlatformHooks;
+import ca.spottedleaf.moonrise.common.config.adapter.TypeAdapterRegistry;
+import ca.spottedleaf.moonrise.common.config.config.YamlConfig;
 import ca.spottedleaf.moonrise.common.config.moonrise.MoonriseConfig;
-import ca.spottedleaf.yamlconfig.adapter.TypeAdapterRegistry;
-import ca.spottedleaf.yamlconfig.config.YamlConfig;
+import ca.spottedleaf.moonrise.common.config.moonrise.adapter.DefaultedTypeAdapter;
+import ca.spottedleaf.moonrise.common.config.moonrise.type.DefaultedValue;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import java.io.File;
@@ -11,17 +14,19 @@ public final class ConfigHolder {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(ConfigHolder.class);
 
-    private static final File CONFIG_FILE = new File(System.getProperty("Moonrise.ConfigFile", "config/moonrise.yml"));
+    private static final File CONFIG_FILE = new File(System.getProperty(PlatformHooks.get().getBrand() + ".ConfigFile", "config/moonrise.yml"));
     private static final TypeAdapterRegistry CONFIG_ADAPTERS = new TypeAdapterRegistry();
     private static final YamlConfig<MoonriseConfig> CONFIG;
     static {
+        CONFIG_ADAPTERS.putAdapter(DefaultedValue.class, new DefaultedTypeAdapter());
+
         try {
             CONFIG = new YamlConfig<>(MoonriseConfig.class, new MoonriseConfig(), CONFIG_ADAPTERS);
         } catch (final Exception ex) {
             throw new RuntimeException(ex);
         }
     }
-    private static final String CONFIG_HEADER = """
+    private static final String CONFIG_HEADER = String.format("""
             This is the configuration file for Moonrise.
             
             Each configuration option is prefixed with a comment to explain what it does. Additional changes to this file
@@ -29,10 +34,10 @@ public final class ConfigHolder {
             
             Below are the Moonrise startup flags. Note that startup flags must be placed in the JVM arguments, not
             program arguments.
-            -DMoonrise.ConfigFile=<file> - Override the config file location. Might be useful for multiple game versions.
-            -DMoonrise.WorkerThreadCount=<number> - Override the auto configured worker thread counts (worker-threads).
-            -DMoonrise.MaxViewDistance=<number> - Overrides the maximum view distance, should only use for debugging purposes.
-            """;
+            -D%1$s.ConfigFile=<file> - Override the config file location. Might be useful for multiple game versions.
+            -D%1$s.WorkerThreadCount=<number> - Override the auto configured worker thread counts (worker-threads).
+            -D%1$s.MaxViewDistance=<number> - Overrides the maximum view distance, should only use for debugging purposes.
+            """, PlatformHooks.get().getBrand());
 
     static {
         reloadConfig();
@@ -47,6 +52,14 @@ public final class ConfigHolder {
     }
 
     public static boolean reloadConfig() {
+        final boolean ret = reloadConfig0();
+
+        CONFIG.callInitialisers();
+
+        return ret;
+    }
+
+    private static boolean reloadConfig0() {
         synchronized (CONFIG) {
             if (CONFIG_FILE.exists()) {
                 try {
@@ -57,8 +70,6 @@ public final class ConfigHolder {
                 }
             }
 
-            CONFIG.callInitialisers();
-
             // write back any changes, or create if needed
             return saveConfig();
         }

src/main/java/ca/spottedleaf/moonrise/common/util/MixinWorkarounds.java

@@ -3,8 +3,12 @@ package ca.spottedleaf.moonrise.common.util;
 public final class MixinWorkarounds {
 
     // mixins tries to find the owner of the clone() method, which doesn't exist and NPEs
+    // https://github.com/FabricMC/Mixin/pull/147
     public static long[] clone(final long[] values) {
         return values.clone();
     }
 
+    public static byte[] clone(final byte[] values) {
+        return values.clone();
+    }
 }

src/main/java/ca/spottedleaf/moonrise/common/util/MoonriseCommon.java

@@ -19,7 +19,7 @@ public final class MoonriseCommon {
                 @Override
                 public void accept(Thread thread) {
                     thread.setDaemon(true);
-                    thread.setName("Moonrise Common Worker #" + this.idGenerator.getAndIncrement());
+                    thread.setName(PlatformHooks.get().getBrand() + " Common Worker #" + this.idGenerator.getAndIncrement());
                     thread.setUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler() {
                         @Override
                         public void uncaughtException(final Thread thread, final Throwable throwable) {
@@ -44,7 +44,7 @@ public final class MoonriseCommon {
         } else {
             defaultWorkerThreads = defaultWorkerThreads / 2;
         }
-        defaultWorkerThreads = Integer.getInteger("Moonrise.WorkerThreadCount", Integer.valueOf(defaultWorkerThreads));
+        defaultWorkerThreads = Integer.getInteger(PlatformHooks.get().getBrand() + ".WorkerThreadCount", Integer.valueOf(defaultWorkerThreads));
 
         int workerThreads = configWorkerThreads;
 

src/main/java/ca/spottedleaf/moonrise/common/util/MoonriseConstants.java

@@ -1,8 +1,10 @@
 package ca.spottedleaf.moonrise.common.util;
 
+import ca.spottedleaf.moonrise.common.PlatformHooks;
+
 public final class MoonriseConstants {
 
-    public static final int MAX_VIEW_DISTANCE = Integer.getInteger("Moonrise.MaxViewDistance", 32);
+    public static final int MAX_VIEW_DISTANCE = Integer.getInteger(PlatformHooks.get().getBrand() + ".MaxViewDistance", 32);
 
     private MoonriseConstants() {}
 

src/main/java/ca/spottedleaf/moonrise/common/util/SimpleRandom.java

@@ -39,7 +39,6 @@ public final class SimpleRandom extends LegacyRandomSource {
         return (int)(seed >>> (BITS - Integer.SIZE));
     }
 
-
     @Override
     public int nextInt(final int bound) {
         if (bound <= 0) {

src/main/java/ca/spottedleaf/moonrise/common/util/WorldUtil.java

@@ -8,19 +8,19 @@ public final class WorldUtil {
     // min, max are inclusive
 
     public static int getMaxSection(final LevelHeightAccessor world) {
-        return world.getMaxSection() - 1; // getMaxSection() is exclusive
+        return world.getMaxSectionY();
     }
 
     public static int getMaxSection(final Level world) {
-        return world.getMaxSection() - 1; // getMaxSection() is exclusive
+        return world.getMaxSectionY();
     }
 
     public static int getMinSection(final LevelHeightAccessor world) {
-        return world.getMinSection();
+        return world.getMinSectionY();
     }
 
     public static int getMinSection(final Level world) {
-        return world.getMinSection();
+        return world.getMinSectionY();
     }
 
     public static int getMaxLightSection(final LevelHeightAccessor world) {

src/main/java/ca/spottedleaf/moonrise/mixin/block_counting/LevelChunkSectionMixin.java

@@ -154,9 +154,9 @@ abstract class LevelChunkSectionMixin implements BlockCountingChunkSection {
 
         if (this.maybeHas((final BlockState state) -> !state.isAir())) {
             final PalettedContainer.Data<BlockState> data = this.states.data;
-            final Palette<BlockState> palette = data.palette;
+            final Palette<BlockState> palette = data.palette();
             final int paletteSize = palette.getSize();
-            final BitStorage storage = data.storage;
+            final BitStorage storage = data.storage();
 
             final Int2ObjectOpenHashMap<ShortArrayList> counts;
             if (paletteSize == 1) {

src/main/java/ca/spottedleaf/moonrise/mixin/blockstate_propertyaccess/BooleanPropertyMixin.java

@@ -6,6 +6,7 @@ import com.llamalad7.mixinextras.injector.wrapoperation.WrapOperation;
 import net.minecraft.world.level.block.state.properties.BooleanProperty;
 import net.minecraft.world.level.block.state.properties.Property;
 import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Unique;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Constant;
 import org.spongepowered.asm.mixin.injection.Inject;
@@ -17,6 +18,9 @@ abstract class BooleanPropertyMixin extends Property<Boolean> implements Propert
         super(string, class_);
     }
 
+    @Unique
+    private static final Boolean[] BY_ID = new Boolean[]{ Boolean.FALSE, Boolean.TRUE };
+
     @Override
     public final int moonrise$getIdFor(final Boolean value) {
         return value.booleanValue() ? 1 : 0;
@@ -33,23 +37,6 @@ abstract class BooleanPropertyMixin extends Property<Boolean> implements Propert
         )
     )
     private void init(final CallbackInfo ci) {
-        this.moonrise$setById(new Boolean[]{ Boolean.FALSE, Boolean.TRUE });
-    }
-
-    /**
-     * This skips all ops after the identity comparison in the original code.
-     *
-     * @reason Properties are identity comparable
-     * @author Spottedleaf
-     */
-    @WrapOperation(
-        method = "equals",
-        constant = @Constant(
-            classValue = BooleanProperty.class,
-            ordinal = 0
-        )
-    )
-    private boolean skipFurtherComparison(final Object obj, final Operation<Boolean> orig) {
-        return false;
+        this.moonrise$setById(BY_ID);
     }
 }

src/main/java/ca/spottedleaf/moonrise/mixin/blockstate_propertyaccess/EnumPropertyMixin.java

@@ -18,9 +18,6 @@ import java.util.Collection;
 @Mixin(EnumProperty.class)
 abstract class EnumPropertyMixin<T extends Enum<T> & StringRepresentable> extends Property<T> implements PropertyAccess<T> {
 
-    @Shadow
-    public abstract Collection<T> getPossibleValues();
-
     @Unique
     private int[] idLookupTable;
 

src/main/java/ca/spottedleaf/moonrise/mixin/blockstate_propertyaccess/StateHolderMixin.java

@@ -83,7 +83,6 @@ abstract class StateHolderMixin<O, S> implements PropertyAccessStateHolder {
         }
 
         // remove values arrays
-        this.values = null;
         for (final Map.Entry<Map<Property<?>, Comparable<?>>, S> entry : map.entrySet()) {
             final S value = entry.getValue();
             ((StateHolderMixin<O, S>)(Object)(StateHolder<O, S>)value).values = null;
@@ -126,8 +125,8 @@ abstract class StateHolderMixin<O, S> implements PropertyAccessStateHolder {
      * @author Spottedleaf
      */
     @Overwrite
-    public <T extends Comparable<T>> Optional<T> getOptionalValue(final Property<T> property) {
-        return property == null ? Optional.empty() : Optional.ofNullable(this.optimisedTable.get(this.tableIndex, property));
+    public <T extends Comparable<T>> T getNullableValue(Property<T> property) {
+        return property == null ? null : this.optimisedTable.get(this.tableIndex, property);
     }
 
     /**

src/main/java/ca/spottedleaf/moonrise/mixin/chunk_system/ChunkHolderMixin.java

@@ -66,9 +66,6 @@ abstract class ChunkHolderMixin extends GenerationChunkHolder implements ChunkSy
     @Unique
     private final ReferenceList<ServerPlayer> playersSentChunkTo = new ReferenceList<>(EMPTY_PLAYER_ARRAY);
 
-    @Unique
-    private boolean isMarkedDirtyForPlayers;
-
     @Unique
     private ChunkMap getChunkMap() {
         return (ChunkMap)this.playerProvider;
@@ -123,16 +120,6 @@ abstract class ChunkHolderMixin extends GenerationChunkHolder implements ChunkSy
         return ret;
     }
 
-    @Override
-    public final boolean moonrise$isMarkedDirtyForPlayers() {
-        return this.isMarkedDirtyForPlayers;
-    }
-
-    @Override
-    public final void moonrise$markDirtyForPlayers(final boolean value) {
-        this.isMarkedDirtyForPlayers = value;
-    }
-
     @Unique
     private static final ServerPlayer[] EMPTY_PLAYER_ARRAY = new ServerPlayer[0];
 
@@ -300,14 +287,7 @@ abstract class ChunkHolderMixin extends GenerationChunkHolder implements ChunkSy
             // no players to sent to, so don't need to update anything
             return null;
         }
-        final LevelChunk ret = this.getChunkToSend();
-
-        if (ret != null) {
-            ((ChunkSystemServerLevel)this.getChunkMap().level).moonrise$addUnsyncedChunk((ChunkHolder)(Object)this);
-            return ret;
-        }
-
-        return ret;
+        return this.getChunkToSend();
     }
 
     /**
@@ -326,14 +306,7 @@ abstract class ChunkHolderMixin extends GenerationChunkHolder implements ChunkSy
             // no players to sent to, so don't need to update anything
             return null;
         }
-        final LevelChunk ret = this.getChunkToSend();
-
-        if (ret != null) {
-            ((ChunkSystemServerLevel)this.getChunkMap().level).moonrise$addUnsyncedChunk((ChunkHolder)(Object)this);
-            return ret;
-        }
-
-        return ret;
+        return this.getChunkToSend();
     }
 
     /**

src/main/java/ca/spottedleaf/moonrise/mixin/chunk_system/ChunkMapMixin.java

@@ -11,14 +11,17 @@ import ca.spottedleaf.moonrise.patches.chunk_system.scheduling.NewChunkHolder;
 import com.mojang.datafixers.DataFixer;
 import it.unimi.dsi.fastutil.longs.Long2ObjectLinkedOpenHashMap;
 import java.util.concurrent.Executor;
+import java.util.concurrent.atomic.AtomicInteger;
+import java.util.function.IntConsumer;
 import java.util.function.Supplier;
+import it.unimi.dsi.fastutil.longs.LongSet;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.nbt.StreamTagVisitor;
 import net.minecraft.server.level.ChunkGenerationTask;
 import net.minecraft.server.level.ChunkHolder;
 import net.minecraft.server.level.ChunkMap;
 import net.minecraft.server.level.ChunkResult;
-import net.minecraft.server.level.ChunkTaskPriorityQueueSorter;
+import net.minecraft.server.level.ChunkTaskDispatcher;
 import net.minecraft.server.level.ChunkTrackingView;
 import net.minecraft.server.level.GeneratingChunkMap;
 import net.minecraft.server.level.GenerationChunkHolder;
@@ -28,7 +31,6 @@ import net.minecraft.server.level.progress.ChunkProgressListener;
 import net.minecraft.util.Mth;
 import net.minecraft.util.StaticCache2D;
 import net.minecraft.util.thread.BlockableEventLoop;
-import net.minecraft.util.thread.ProcessorHandle;
 import net.minecraft.world.level.ChunkPos;
 import net.minecraft.world.level.chunk.ChunkAccess;
 import net.minecraft.world.level.chunk.ChunkGenerator;
@@ -78,13 +80,10 @@ abstract class ChunkMapMixin extends ChunkStorage implements ChunkSystemChunkMap
     private volatile Long2ObjectLinkedOpenHashMap<ChunkHolder> visibleChunkMap;
 
     @Shadow
-    private ChunkTaskPriorityQueueSorter queueSorter;
+    private ChunkTaskDispatcher worldgenTaskDispatcher;
 
     @Shadow
-    private ProcessorHandle<ChunkTaskPriorityQueueSorter.Message<Runnable>> worldgenMailbox;
-
-    @Shadow
-    private ProcessorHandle<ChunkTaskPriorityQueueSorter.Message<Runnable>> mainThreadMailbox;
+    private ChunkTaskDispatcher lightTaskDispatcher;
 
     @Shadow
     private int serverViewDistance;
@@ -98,6 +97,12 @@ abstract class ChunkMapMixin extends ChunkStorage implements ChunkSystemChunkMap
     @Shadow
     private Queue<Runnable> unloadQueue;
 
+    @Shadow
+    private LongSet chunksToEagerlySave;
+
+    @Shadow
+    private AtomicInteger activeChunkWrites;
+
     public ChunkMapMixin(RegionStorageInfo regionStorageInfo, Path path, DataFixer dataFixer, boolean bl) {
         super(regionStorageInfo, path, dataFixer, bl);
     }
@@ -128,11 +133,12 @@ abstract class ChunkMapMixin extends ChunkStorage implements ChunkSystemChunkMap
         this.updatingChunkMap = null;
         this.visibleChunkMap = null;
         this.pendingUnloads = null;
-        this.queueSorter = null;
-        this.worldgenMailbox = null;
-        this.mainThreadMailbox = null;
+        this.worldgenTaskDispatcher = null;
+        this.lightTaskDispatcher = null;
         this.pendingGenerationTasks = null;
         this.unloadQueue = null;
+        this.chunksToEagerlySave = null;
+        this.activeChunkWrites = null;
 
         // Dummy impl for mods that try to loadAsync directly
         this.worker = new IOWorker(
@@ -152,7 +158,7 @@ abstract class ChunkMapMixin extends ChunkStorage implements ChunkSystemChunkMap
             @Override
             public CompletableFuture<Optional<CompoundTag>> loadAsync(final ChunkPos chunkPos) {
                 final CompletableFuture<Optional<CompoundTag>> future = new CompletableFuture<>();
-                MoonriseRegionFileIO.loadDataAsync(ChunkMapMixin.this.level, chunkPos.x, chunkPos.z, MoonriseRegionFileIO.RegionFileType.CHUNK_DATA, (tag, throwable) -> {
+                MoonriseRegionFileIO.loadDataAsync(ChunkMapMixin.this.level, chunkPos.x, chunkPos.z, MoonriseRegionFileIO.RegionFileType.CHUNK_DATA, (final CompoundTag tag, final Throwable throwable) -> {
                     if (throwable != null) {
                         future.completeExceptionally(throwable);
                     } else {
@@ -184,6 +190,15 @@ abstract class ChunkMapMixin extends ChunkStorage implements ChunkSystemChunkMap
         };
     }
 
+    /**
+     * @reason This map is not needed, we maintain our own ordered set of chunks to autosave.
+     * @author Spottedleaf
+     */
+    @Overwrite
+    public void setChunkUnsaved(final ChunkPos pos) {
+
+    }
+
     /**
      * @reason Route to new chunk system hooks
      * @author Spottedleaf
@@ -261,6 +276,15 @@ abstract class ChunkMapMixin extends ChunkStorage implements ChunkSystemChunkMap
         throw new UnsupportedOperationException();
     }
 
+    /**
+     * @reason Destroy old chunk system hooks
+     * @author Spottedleaf
+     */
+    @Overwrite
+    public void onLevelChange(final ChunkPos chunkPos, final IntSupplier intSupplier, final int i, final IntConsumer intConsumer) {
+        throw new UnsupportedOperationException();
+    }
+
     /**
      * @reason Destroy old chunk system hooks
      * @author Spottedleaf
@@ -309,6 +333,15 @@ abstract class ChunkMapMixin extends ChunkStorage implements ChunkSystemChunkMap
         ((ChunkSystemServerLevel)this.level).moonrise$getChunkTaskScheduler().chunkHolderManager.autoSave();
     }
 
+    /**
+     * @reason Destroy old chunk system hooks
+     * @author Spottedleaf
+     */
+    @Overwrite
+    public void saveChunksEagerly(final BooleanSupplier hasTime) {
+        throw new UnsupportedOperationException();
+    }
+
     /**
      * @reason Destroy old chunk system hooks
      * @author Spottedleaf
@@ -403,7 +436,7 @@ abstract class ChunkMapMixin extends ChunkStorage implements ChunkSystemChunkMap
      * @author Spottedleaf
      */
     @Overwrite
-    public void onChunkReadyToSend(final LevelChunk chunk) {
+    public void onChunkReadyToSend(final ChunkHolder holder, final LevelChunk chunk) {
         throw new UnsupportedOperationException();
     }
 
@@ -422,7 +455,7 @@ abstract class ChunkMapMixin extends ChunkStorage implements ChunkSystemChunkMap
      * @see NewChunkHolder#save(boolean)
      */
     @Overwrite
-    public boolean saveChunkIfNeeded(final ChunkHolder chunkHolder) {
+    public boolean saveChunkIfNeeded(final ChunkHolder chunkHolder, final long time) {
         throw new UnsupportedOperationException();
     }
 
@@ -505,6 +538,21 @@ abstract class ChunkMapMixin extends ChunkStorage implements ChunkSystemChunkMap
         throw new UnsupportedOperationException();
     }
 
+    /**
+     * @reason Route to new chunk system
+     * @author Spottedleaf
+     */
+    @Redirect(
+        method = "forEachSpawnCandidateChunk",
+        at = @At(
+            value = "INVOKE",
+            target = "Lit/unimi/dsi/fastutil/longs/Long2ObjectLinkedOpenHashMap;get(J)Ljava/lang/Object;"
+        )
+    )
+    private <V> V redirectChunkHolderGet(final Long2ObjectLinkedOpenHashMap<V> instance, final long key) {
+        return (V)this.getVisibleChunkIfPresent(key);
+    }
+
     @Override
     public CompletableFuture<Optional<CompoundTag>> read(final ChunkPos pos) {
         final CompletableFuture<Optional<CompoundTag>> ret = new CompletableFuture<>();
@@ -524,10 +572,11 @@ abstract class ChunkMapMixin extends ChunkStorage implements ChunkSystemChunkMap
     }
 
     @Override
-    public CompletableFuture<Void> write(final ChunkPos pos, final CompoundTag tag) {
+    public CompletableFuture<Void> write(final ChunkPos pos, final Supplier<CompoundTag> tag) {
         MoonriseRegionFileIO.scheduleSave(
-                this.level, pos.x, pos.z, tag,
-                MoonriseRegionFileIO.RegionFileType.CHUNK_DATA);
+                this.level, pos.x, pos.z, tag.get(),
+                MoonriseRegionFileIO.RegionFileType.CHUNK_DATA
+        );
         return null;
     }
 

src/main/java/ca/spottedleaf/moonrise/mixin/chunk_system/ChunkStorageMixin.java

@@ -22,12 +22,13 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 import java.io.IOException;
 import java.util.Optional;
 import java.util.concurrent.CompletableFuture;
+import java.util.function.Supplier;
 
 @Mixin(ChunkStorage.class)
 abstract class ChunkStorageMixin implements ChunkSystemChunkStorage, AutoCloseable {
 
     @Shadow
-    private IOWorker worker;
+    public IOWorker worker;
 
     @Unique
     private static final Logger LOGGER = LogUtils.getLogger();
@@ -118,13 +119,13 @@ abstract class ChunkStorageMixin implements ChunkSystemChunkStorage, AutoCloseab
             method = "write",
             at = @At(
                     value = "INVOKE",
-                    target = "Lnet/minecraft/world/level/chunk/storage/IOWorker;store(Lnet/minecraft/world/level/ChunkPos;Lnet/minecraft/nbt/CompoundTag;)Ljava/util/concurrent/CompletableFuture;"
+                    target = "Lnet/minecraft/world/level/chunk/storage/IOWorker;store(Lnet/minecraft/world/level/ChunkPos;Ljava/util/function/Supplier;)Ljava/util/concurrent/CompletableFuture;"
             )
     )
     private CompletableFuture<Void> redirectWrite(final IOWorker instance, final ChunkPos chunkPos,
-                                                  final CompoundTag compoundTag) {
+                                                  final Supplier<CompoundTag> compoundTag) {
         try {
-            this.storage.write(chunkPos, compoundTag);
+            this.storage.write(chunkPos, compoundTag.get());
             return CompletableFuture.completedFuture(null);
         } catch (final Throwable throwable) {
             return CompletableFuture.failedFuture(throwable);

src/main/java/ca/spottedleaf/moonrise/mixin/chunk_system/ClientLevelMixin.java

@@ -41,8 +41,8 @@ abstract class ClientLevelMixin extends Level implements ChunkSystemLevel {
     @Final
     private ClientChunkCache chunkSource;
 
-    protected ClientLevelMixin(WritableLevelData writableLevelData, ResourceKey<Level> resourceKey, RegistryAccess registryAccess, Holder<DimensionType> holder, Supplier<ProfilerFiller> supplier, boolean bl, boolean bl2, long l, int i) {
-        super(writableLevelData, resourceKey, registryAccess, holder, supplier, bl, bl2, l, i);
+    protected ClientLevelMixin(final WritableLevelData writableLevelData, final ResourceKey<Level> resourceKey, final RegistryAccess registryAccess, final Holder<DimensionType> holder, final boolean bl, final boolean bl2, final long l, final int i) {
+        super(writableLevelData, resourceKey, registryAccess, holder, bl, bl2, l, i);
     }
 
     /**
@@ -55,9 +55,8 @@ abstract class ClientLevelMixin extends Level implements ChunkSystemLevel {
                     value = "RETURN"
             )
     )
-    private void init(ClientPacketListener clientPacketListener, ClientLevel.ClientLevelData clientLevelData,
-                      ResourceKey<Level> resourceKey, Holder<DimensionType> holder, int i, int j, Supplier<ProfilerFiller> supplier,
-                      LevelRenderer levelRenderer, boolean bl, long l, CallbackInfo ci) {
+    private void init(ClientPacketListener clientPacketListener, ClientLevel.ClientLevelData clientLevelData, ResourceKey<Level> resourceKey,
+                      Holder<DimensionType> holder, int i, int j, LevelRenderer levelRenderer, boolean bl, long l, int k, CallbackInfo ci) {
         this.entityStorage = null;
 
         this.moonrise$setEntityLookup(new ClientEntityLookup(this, ((ClientLevel)(Object)this).new EntityCallbacks()));

src/main/java/ca/spottedleaf/moonrise/mixin/chunk_system/DistanceManagerMixin.java

@@ -1,6 +1,5 @@
 package ca.spottedleaf.moonrise.mixin.chunk_system;
 
-import ca.spottedleaf.moonrise.common.util.MoonriseConstants;
 import ca.spottedleaf.moonrise.patches.chunk_system.level.ChunkSystemServerLevel;
 import ca.spottedleaf.moonrise.patches.chunk_system.level.chunk.ChunkSystemDistanceManager;
 import ca.spottedleaf.moonrise.patches.chunk_system.scheduling.ChunkHolderManager;
@@ -9,14 +8,12 @@ import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
 import it.unimi.dsi.fastutil.longs.LongSet;
 import net.minecraft.server.level.ChunkHolder;
 import net.minecraft.server.level.ChunkMap;
-import net.minecraft.server.level.ChunkTaskPriorityQueueSorter;
 import net.minecraft.server.level.DistanceManager;
+import net.minecraft.server.level.ThrottlingChunkTaskDispatcher;
 import net.minecraft.server.level.Ticket;
 import net.minecraft.server.level.TicketType;
 import net.minecraft.server.level.TickingTracker;
-import net.minecraft.util.Mth;
 import net.minecraft.util.SortedArraySet;
-import net.minecraft.util.thread.ProcessorHandle;
 import net.minecraft.world.level.ChunkPos;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Overwrite;
@@ -47,13 +44,7 @@ abstract class DistanceManagerMixin implements ChunkSystemDistanceManager {
     Set<ChunkHolder> chunksToUpdateFutures;
 
     @Shadow
-    ChunkTaskPriorityQueueSorter ticketThrottler;
-
-    @Shadow
-    ProcessorHandle<ChunkTaskPriorityQueueSorter.Message<Runnable>> ticketThrottlerInput;
-
-    @Shadow
-    ProcessorHandle<ChunkTaskPriorityQueueSorter.Release> ticketThrottlerReleaser;
+    ThrottlingChunkTaskDispatcher ticketDispatcher;
 
     @Shadow
     LongSet ticketsToRelease;
@@ -61,12 +52,10 @@ abstract class DistanceManagerMixin implements ChunkSystemDistanceManager {
     @Shadow
     Executor mainThreadExecutor;
 
-    @Shadow
-    private DistanceManager.FixedPlayerDistanceChunkTracker naturalSpawnChunkCounter;
-
     @Shadow
     private int simulationDistance;
 
+
     @Override
     public ChunkMap moonrise$getChunkMap() {
         throw new AbstractMethodError();
@@ -88,16 +77,14 @@ abstract class DistanceManagerMixin implements ChunkSystemDistanceManager {
         this.tickingTicketsTracker = null;
         this.playerTicketManager = null;
         this.chunksToUpdateFutures = null;
-        this.ticketThrottler = null;
-        this.ticketThrottlerInput = null;
-        this.ticketThrottlerReleaser = null;
+        this.ticketDispatcher = null;
         this.ticketsToRelease = null;
         this.mainThreadExecutor = null;
         this.simulationDistance = -1;
     }
 
     @Override
-    public ChunkHolderManager moonrise$getChunkHolderManager() {
+    public final ChunkHolderManager moonrise$getChunkHolderManager() {
         return ((ChunkSystemServerLevel)this.moonrise$getChunkMap().level).moonrise$getChunkTaskScheduler().chunkHolderManager;
     }
 
@@ -298,10 +285,7 @@ abstract class DistanceManagerMixin implements ChunkSystemDistanceManager {
      */
     @Overwrite
     public void updateSimulationDistance(final int simulationDistance) {
-        // note: vanilla does not clamp to 0, but we do simply because we need a min of 0
-        final int clamped = Mth.clamp(simulationDistance, 0, MoonriseConstants.MAX_VIEW_DISTANCE);
-
-        ((ChunkSystemServerLevel)this.moonrise$getChunkMap().level).moonrise$getPlayerChunkLoader().setTickDistance(clamped);
+        ((ChunkSystemServerLevel)this.moonrise$getChunkMap().level).moonrise$getPlayerChunkLoader().setTickDistance(simulationDistance);
     }
 
     /**
@@ -331,6 +315,15 @@ abstract class DistanceManagerMixin implements ChunkSystemDistanceManager {
         throw new UnsupportedOperationException();
     }
 
+    /**
+     * @reason Remove old chunk system hooks
+     * @author Spottedleaf
+     */
+    @Overwrite
+    public LongSet getTickingChunks() {
+        throw new UnsupportedOperationException();
+    }
+
     /**
      * @reason This hack is not required anymore, see {@link MinecraftServerMixin}
      * @author Spottedleaf

src/main/java/ca/spottedleaf/moonrise/mixin/chunk_system/DynamicGameEventListenerMixin.java

@@ -1,25 +0,0 @@
-package ca.spottedleaf.moonrise.mixin.chunk_system;
-
-import net.minecraft.core.SectionPos;
-import net.minecraft.world.level.gameevent.DynamicGameEventListener;
-import org.jetbrains.annotations.Nullable;
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.Shadow;
-import org.spongepowered.asm.mixin.injection.At;
-import org.spongepowered.asm.mixin.injection.Inject;
-import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
-
-@Mixin(DynamicGameEventListener.class)
-abstract class DynamicGameEventListenerMixin {
-    @Shadow @Nullable private SectionPos lastSection;
-
-    @Inject(method = "remove", at = @At("RETURN"))
-    private void onRemove(final CallbackInfo ci) {
-        // We need to unset the last section when removed, otherwise if the same instance is re-added at the same position it
-        // will assume there was no change and fail to re-register.
-        // In vanilla, chunks rarely unload and re-load quickly enough to trigger this issue. However, our chunk system has a
-        // quirk where fast chunk reload cycles will often occur on player login (see PR #22).
-        // So we fix this vanilla oversight as our changes cause it to manifest in bugs much more often (see issue #87).
-        this.lastSection = null;
-    }
-}

src/main/java/ca/spottedleaf/moonrise/mixin/chunk_system/GenerationChunkHolderMixin.java

@@ -195,15 +195,6 @@ abstract class GenerationChunkHolderMixin {
         throw new UnsupportedOperationException();
     }
 
-    /**
-     * @reason Chunk system is not built on futures anymore
-     * @author Spottedleaf
-     */
-    @Overwrite
-    public int getGenerationRefCount() {
-        throw new UnsupportedOperationException();
-    }
-
     /**
      * @reason Route to new chunk holder
      * @author Spottedleaf

src/main/java/ca/spottedleaf/moonrise/mixin/chunk_system/LevelChunkMixin.java

@@ -93,11 +93,15 @@ abstract class LevelChunkMixin extends ChunkAccess implements ChunkSystemLevelCh
     }
 
     @Override
-    public void setUnsaved(final boolean needsSaving) {
-        if (!needsSaving) {
-            ((ChunkSystemLevelChunkTicks)this.blockTicks).moonrise$clearDirty();
-            ((ChunkSystemLevelChunkTicks)this.fluidTicks).moonrise$clearDirty();
+    public boolean tryMarkSaved() {
+        if (!this.isUnsaved()) {
+            return false;
         }
-        super.setUnsaved(needsSaving);
+        ((ChunkSystemLevelChunkTicks)this.blockTicks).moonrise$clearDirty();
+        ((ChunkSystemLevelChunkTicks)this.fluidTicks).moonrise$clearDirty();
+
+        super.tryMarkSaved();
+
+        return true;
     }
 }

src/main/java/ca/spottedleaf/moonrise/mixin/chunk_system/LevelMixin.java

@@ -10,6 +10,7 @@ import ca.spottedleaf.moonrise.patches.chunk_system.level.entity.dfl.DefaultEnti
 import ca.spottedleaf.moonrise.patches.chunk_system.world.ChunkSystemEntityGetter;
 import net.minecraft.core.BlockPos;
 import net.minecraft.server.level.FullChunkStatus;
+import net.minecraft.util.profiling.Profiler;
 import net.minecraft.util.profiling.ProfilerFiller;
 import net.minecraft.world.entity.Entity;
 import net.minecraft.world.entity.EntityType;
@@ -37,9 +38,6 @@ import java.util.function.Predicate;
 @Mixin(Level.class)
 abstract class LevelMixin implements ChunkSystemLevel, ChunkSystemEntityGetter, LevelAccessor, AutoCloseable {
 
-    @Shadow
-    public abstract ProfilerFiller getProfiler();
-
     @Shadow
     public abstract LevelChunk getChunk(int i, int j);
 
@@ -59,7 +57,7 @@ abstract class LevelMixin implements ChunkSystemLevel, ChunkSystemEntityGetter,
     }
 
     @Override
-    public void moonrise$setEntityLookup(final EntityLookup entityLookup) {
+    public final void moonrise$setEntityLookup(final EntityLookup entityLookup) {
         if (this.entityLookup != null && !(this.entityLookup instanceof DefaultEntityLookup)) {
             throw new IllegalStateException("Entity lookup already initialised");
         }
@@ -87,7 +85,7 @@ abstract class LevelMixin implements ChunkSystemLevel, ChunkSystemEntityGetter,
     @Overwrite
     @Override
     public List<Entity> getEntities(final Entity entity, final AABB boundingBox, final Predicate<? super Entity> predicate) {
-        this.getProfiler().incrementCounter("getEntities");
+        Profiler.get().incrementCounter("getEntities");
         final List<Entity> ret = new ArrayList<>();
 
         ((ChunkSystemLevel)this).moonrise$getEntityLookup().getEntities(entity, boundingBox, ret, predicate);
@@ -105,7 +103,7 @@ abstract class LevelMixin implements ChunkSystemLevel, ChunkSystemEntityGetter,
     public <T extends Entity> void getEntities(final EntityTypeTest<Entity, T> entityTypeTest,
                                                final AABB boundingBox, final Predicate<? super T> predicate,
                                                final List<? super T> into, final int maxCount) {
-        this.getProfiler().incrementCounter("getEntities");
+        Profiler.get().incrementCounter("getEntities");
 
         if (entityTypeTest instanceof EntityType<T> byType) {
             if (maxCount != Integer.MAX_VALUE) {
@@ -178,7 +176,7 @@ abstract class LevelMixin implements ChunkSystemLevel, ChunkSystemEntityGetter,
      */
     @Override
     public final <T extends Entity> List<T> getEntitiesOfClass(final Class<T> entityClass, final AABB boundingBox, final Predicate<? super T> predicate) {
-        this.getProfiler().incrementCounter("getEntities");
+        Profiler.get().incrementCounter("getEntities");
         final List<T> ret = new ArrayList<>();
 
         ((ChunkSystemLevel)this).moonrise$getEntityLookup().getEntities(entityClass, null, boundingBox, ret, predicate);
@@ -196,7 +194,7 @@ abstract class LevelMixin implements ChunkSystemLevel, ChunkSystemEntityGetter,
      */
     @Override
     public final List<Entity> moonrise$getHardCollidingEntities(final Entity entity, final AABB box, final Predicate<? super Entity> predicate) {
-        this.getProfiler().incrementCounter("getEntities");
+        Profiler.get().incrementCounter("getEntities");
         final List<Entity> ret = new ArrayList<>();
 
         ((ChunkSystemLevel)this).moonrise$getEntityLookup().getHardCollidingEntities(entity, box, ret, predicate);

src/main/java/ca/spottedleaf/moonrise/mixin/chunk_system/MinecraftServerMixin.java

@@ -240,6 +240,7 @@ abstract class MinecraftServerMixin extends ReentrantBlockableEventLoop<TickTask
     private void closeIOThreads(final CallbackInfo ci) {
         LOGGER.info("Waiting for I/O tasks to complete...");
         MoonriseRegionFileIO.flush((MinecraftServer)(Object)this);
+        LOGGER.info("All I/O tasks to complete");
         if ((Object)this instanceof DedicatedServer) {
             MoonriseCommon.haltExecutors();
         }

src/main/java/ca/spottedleaf/moonrise/mixin/chunk_system/PlayerListMixin.java

@@ -43,17 +43,4 @@ abstract class PlayerListMixin {
     )
     private void doNotAdjustVD(final PlayerList instance, final Packet<?> packet) {}
 
-
-    /**
-     * @reason The RegionizedPlayerChunkLoader will handle the SD packet
-     * @author Spottedleaf
-     */
-    @Redirect(
-        method = "setSimulationDistance",
-        at = @At(
-            value = "INVOKE",
-            target = "Lnet/minecraft/server/players/PlayerList;broadcastAll(Lnet/minecraft/network/protocol/Packet;)V"
-        )
-    )
-    private void doNotAdjustSD(final PlayerList instance, final Packet<?> packet) {}
 }

src/main/java/ca/spottedleaf/moonrise/mixin/chunk_system/PoiManagerMixin.java

@@ -36,6 +36,7 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 import java.io.IOException;
 import java.nio.file.Path;
 import java.util.Optional;
+import java.util.function.BiFunction;
 import java.util.function.BooleanSupplier;
 import java.util.function.Function;
 import java.util.function.Predicate;
@@ -44,7 +45,14 @@ import java.util.stream.Stream;
 @Mixin(PoiManager.class)
 // Declare the generic type as Object so that our Overrides match the method signature of the superclass
 // Specifically, getOrCreate must return Object so that existing invokes do not route to the superclass
-public abstract class PoiManagerMixin extends SectionStorage<Object> implements ChunkSystemPoiManager {
+public abstract class PoiManagerMixin extends SectionStorage<Object, Object> implements ChunkSystemPoiManager {
+
+    public PoiManagerMixin(final SimpleRegionStorage simpleRegionStorage, final Codec<Object> codec, final Function<Object, Object> function,
+                           final BiFunction<Object, Runnable, Object> biFunction, final Function<Runnable, Object> function2,
+                           final RegistryAccess registryAccess, final ChunkIOErrorReporter chunkIOErrorReporter,
+                           final LevelHeightAccessor levelHeightAccessor) {
+        super(simpleRegionStorage, codec, function, biFunction, function2, registryAccess, chunkIOErrorReporter, levelHeightAccessor);
+    }
 
     @Shadow
     abstract boolean isVillageCenter(long l);
@@ -52,10 +60,6 @@ public abstract class PoiManagerMixin extends SectionStorage<Object> implements
     @Shadow
     public abstract void checkConsistencyWithBlocks(SectionPos sectionPos, LevelChunkSection levelChunkSection);
 
-    public PoiManagerMixin(SimpleRegionStorage simpleRegionStorage, Function<Runnable, Codec<Object>> function, Function<Runnable, Object> function2, RegistryAccess registryAccess, ChunkIOErrorReporter chunkIOErrorReporter, LevelHeightAccessor levelHeightAccessor) {
-        super(simpleRegionStorage, function, function2, registryAccess, chunkIOErrorReporter, levelHeightAccessor);
-    }
-
     @Unique
     private ServerLevel world;
 
@@ -151,8 +155,8 @@ public abstract class PoiManagerMixin extends SectionStorage<Object> implements
 
         TickThread.ensureTickThread(this.world, chunkX, chunkZ, "Accessing poi chunk off-main");
 
-        final ChunkHolderManager manager = ((ChunkSystemServerLevel)this.world).moonrise$getChunkTaskScheduler().chunkHolderManager;
-        final PoiChunk ret = manager.getPoiChunkIfLoaded(chunkX, chunkZ, true);
+        final PoiChunk ret = ((ChunkSystemServerLevel)this.world).moonrise$getChunkTaskScheduler().chunkHolderManager
+            .getPoiChunkIfLoaded(chunkX, chunkZ, true);
 
         return ret == null ? Optional.empty() : (Optional)ret.getSectionForVanilla(chunkY);
     }
@@ -206,9 +210,13 @@ public abstract class PoiManagerMixin extends SectionStorage<Object> implements
     public final void moonrise$onUnload(final long coordinate) { // Paper - rewrite chunk system
         final int chunkX = CoordinateUtils.getChunkX(coordinate);
         final int chunkZ = CoordinateUtils.getChunkZ(coordinate);
+
+        final int minY = WorldUtil.getMinSection(this.world);
+        final int maxY = WorldUtil.getMaxSection(this.world);
+
         TickThread.ensureTickThread(this.world, chunkX, chunkZ, "Unloading poi chunk off-main");
-        for (int section = this.levelHeightAccessor.getMinSection(); section < this.levelHeightAccessor.getMaxSection(); ++section) {
-            final long sectionPos = SectionPos.asLong(chunkX, section, chunkZ);
+        for (int sectionY = minY; sectionY <= maxY; ++sectionY) {
+            final long sectionPos = SectionPos.asLong(chunkX, sectionY, chunkZ);
             this.updateDistanceTracking(sectionPos);
         }
     }
@@ -217,8 +225,12 @@ public abstract class PoiManagerMixin extends SectionStorage<Object> implements
     public final void moonrise$loadInPoiChunk(final PoiChunk poiChunk) {
         final int chunkX = poiChunk.chunkX;
         final int chunkZ = poiChunk.chunkZ;
+
+        final int minY = WorldUtil.getMinSection(this.world);
+        final int maxY = WorldUtil.getMaxSection(this.world);
+
         TickThread.ensureTickThread(this.world, chunkX, chunkZ, "Loading poi chunk off-main");
-        for (int sectionY = this.levelHeightAccessor.getMinSection(); sectionY < this.levelHeightAccessor.getMaxSection(); ++sectionY) {
+        for (int sectionY = minY; sectionY <= maxY; ++sectionY) {
             final PoiSection section = poiChunk.getSection(sectionY);
             if (section != null && !((ChunkSystemPoiSection)section).moonrise$isEmpty()) {
                 this.onSectionLoad(SectionPos.asLong(chunkX, sectionY, chunkZ));
@@ -254,20 +266,4 @@ public abstract class PoiManagerMixin extends SectionStorage<Object> implements
     private <T> Stream<T> skipLoadedSet(final Stream<T> instance, final Predicate<? super T> predicate) {
         return instance;
     }
-
-    @Override
-    public final void moonrise$close() throws IOException {}
-
-    @Override
-    public final CompoundTag moonrise$read(final int chunkX, final int chunkZ) throws IOException {
-        return MoonriseRegionFileIO.loadData(
-                this.world, chunkX, chunkZ, MoonriseRegionFileIO.RegionFileType.POI_DATA,
-                MoonriseRegionFileIO.getIOBlockingPriorityForCurrentThread()
-        );
-    }
-
-    @Override
-    public final void moonrise$write(final int chunkX, final int chunkZ, final CompoundTag data) throws IOException {
-        MoonriseRegionFileIO.scheduleSave(this.world, chunkX, chunkZ, data, MoonriseRegionFileIO.RegionFileType.POI_DATA);
-    }
 }

src/main/java/ca/spottedleaf/moonrise/mixin/chunk_system/PoiSectionMixin.java

@@ -30,7 +30,7 @@ abstract class PoiSectionMixin implements ChunkSystemPoiSection {
 
 
     @Unique
-    private final Optional<PoiSection> noAllocOptional = Optional.of((PoiSection)(Object)this);;
+    private final Optional<PoiSection> noAllocOptional = Optional.of((PoiSection)(Object)this);
 
     @Override
     public final boolean moonrise$isEmpty() {

src/main/java/ca/spottedleaf/moonrise/mixin/chunk_system/SectionStorageMixin.java

@@ -2,8 +2,6 @@ package ca.spottedleaf.moonrise.mixin.chunk_system;
 
 import ca.spottedleaf.moonrise.patches.chunk_system.level.storage.ChunkSystemSectionStorage;
 import net.minecraft.nbt.CompoundTag;
-import net.minecraft.nbt.Tag;
-import net.minecraft.resources.RegistryOps;
 import net.minecraft.world.level.ChunkPos;
 import net.minecraft.world.level.chunk.storage.RegionFileStorage;
 import net.minecraft.world.level.chunk.storage.SectionStorage;
@@ -23,15 +21,11 @@ import java.util.Optional;
 import java.util.concurrent.CompletableFuture;
 
 @Mixin(SectionStorage.class)
-abstract class SectionStorageMixin implements ChunkSystemSectionStorage, AutoCloseable {
+abstract class SectionStorageMixin<R, P> implements ChunkSystemSectionStorage, AutoCloseable {
 
     @Shadow
     private SimpleRegionStorage simpleRegionStorage;
 
-    @Shadow
-    @Final
-    private static Logger LOGGER;
-
 
     @Unique
     private RegionFileStorage storage;
@@ -41,6 +35,9 @@ abstract class SectionStorageMixin implements ChunkSystemSectionStorage, AutoClo
         return this.storage;
     }
 
+    @Override
+    public void moonrise$close() throws IOException {}
+
     /**
      * @reason Retrieve storage from IOWorker, and then nuke it
      * @author Spottedleaf
@@ -61,12 +58,8 @@ abstract class SectionStorageMixin implements ChunkSystemSectionStorage, AutoClo
      * @author Spottedleaf
      */
     @Overwrite
-    public final CompletableFuture<Optional<CompoundTag>> tryRead(final ChunkPos pos) {
-        try {
-            return CompletableFuture.completedFuture(Optional.ofNullable(this.moonrise$read(pos.x, pos.z)));
-        } catch (final Throwable thr) {
-            return CompletableFuture.failedFuture(thr);
-        }
+    public final CompletableFuture<Optional<SectionStorage.PackedChunk<P>>> tryRead(final ChunkPos pos) {
+        throw new IllegalStateException("Only chunk system can write state, offending class:" + this.getClass().getName());
     }
 
     /**
@@ -74,29 +67,17 @@ abstract class SectionStorageMixin implements ChunkSystemSectionStorage, AutoClo
      * @author Spottedleaf
      */
     @Overwrite
-    public void readColumn(final ChunkPos pos, final RegistryOps<Tag> ops, final CompoundTag data) {
+    public void unpackChunk(final ChunkPos chunkPos, final SectionStorage.PackedChunk<P> packedChunk) {
         throw new IllegalStateException("Only chunk system can load in state, offending class:" + this.getClass().getName());
     }
 
     /**
-     * @reason Route to new chunk system hook
+     * @reason Destroy old chunk system hook
      * @author Spottedleaf
      */
-    @Redirect(
-            method = "writeColumn(Lnet/minecraft/world/level/ChunkPos;)V",
-            at = @At(
-                    value = "INVOKE",
-                    target = "Lnet/minecraft/world/level/chunk/storage/SimpleRegionStorage;write(Lnet/minecraft/world/level/ChunkPos;Lnet/minecraft/nbt/CompoundTag;)Ljava/util/concurrent/CompletableFuture;"
-            )
-    )
-    private CompletableFuture<Void> redirectWrite(final SimpleRegionStorage instance, final ChunkPos pos,
-                                                  final CompoundTag tag) {
-        try {
-            this.moonrise$write(pos.x, pos.z, tag);
-        } catch (final IOException ex) {
-            LOGGER.error("Error writing poi chunk data to disk for chunk " + pos, ex);
-        }
-        return null;
+    @Overwrite
+    private void writeChunk(final ChunkPos chunkPos) {
+        throw new IllegalStateException("Only chunk system can write state, offending class:" + this.getClass().getName());
     }
 
     /**
@@ -113,4 +94,4 @@ abstract class SectionStorageMixin implements ChunkSystemSectionStorage, AutoClo
     private void redirectClose(final SimpleRegionStorage instance) throws IOException {
         this.moonrise$close();
     }
-}
+}

src/main/java/ca/spottedleaf/moonrise/mixin/chunk_system/SerializableChunkDataMixin.java

@@ -3,13 +3,13 @@ package ca.spottedleaf.moonrise.mixin.chunk_system;
 import net.minecraft.core.SectionPos;
 import net.minecraft.world.entity.ai.village.poi.PoiManager;
 import net.minecraft.world.level.chunk.LevelChunkSection;
-import net.minecraft.world.level.chunk.storage.ChunkSerializer;
+import net.minecraft.world.level.chunk.storage.SerializableChunkData;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Redirect;
 
-@Mixin(ChunkSerializer.class)
-abstract class ChunkSerializerMixin {
+@Mixin(SerializableChunkData.class)
+abstract class SerializableChunkDataMixin {
 
     /**
      * @reason Chunk system handles this during full transition
@@ -17,12 +17,12 @@ abstract class ChunkSerializerMixin {
      * @see ca.spottedleaf.moonrise.patches.chunk_system.scheduling.task.ChunkFullTask
      */
     @Redirect(
-            method = "read",
-            at = @At(
-                    value = "INVOKE",
-                    target = "Lnet/minecraft/world/entity/ai/village/poi/PoiManager;checkConsistencyWithBlocks(Lnet/minecraft/core/SectionPos;Lnet/minecraft/world/level/chunk/LevelChunkSection;)V"
-            )
+        method = "read",
+        at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/world/entity/ai/village/poi/PoiManager;checkConsistencyWithBlocks(Lnet/minecraft/core/SectionPos;Lnet/minecraft/world/level/chunk/LevelChunkSection;)V"
+        )
     )
-    private static void skipConsistencyCheck(PoiManager instance, SectionPos sectionPos, LevelChunkSection levelChunkSection) {}
+    private void skipConsistencyCheck(final PoiManager instance, final SectionPos sectionPos, final LevelChunkSection levelChunkSection) {}
 
 }

src/main/java/ca/spottedleaf/moonrise/mixin/chunk_system/ServerChunkCacheMixin.java

@@ -24,6 +24,7 @@ import net.minecraft.world.level.chunk.ChunkSource;
 import net.minecraft.world.level.chunk.LevelChunk;
 import net.minecraft.world.level.chunk.LightChunk;
 import net.minecraft.world.level.chunk.status.ChunkStatus;
+import net.minecraft.world.level.storage.DimensionDataStorage;
 import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Overwrite;
@@ -51,6 +52,10 @@ abstract class ServerChunkCacheMixin extends ChunkSource implements ChunkSystemS
     @Final
     public ServerLevel level;
 
+    @Shadow
+    @Final
+    private DimensionDataStorage dataStorage;
+
     @Unique
     private final ConcurrentLong2ReferenceChainedHashTable<LevelChunk> fullChunks = new ConcurrentLong2ReferenceChainedHashTable<>();
 
@@ -81,13 +86,6 @@ abstract class ServerChunkCacheMixin extends ChunkSource implements ChunkSystemS
                 completable::complete
         );
 
-        if (!completable.isDone() && chunkTaskScheduler.hasShutdown()) {
-            throw new IllegalStateException(
-                "Chunk system has shut down, cannot process chunk requests in world '" + ca.spottedleaf.moonrise.common.util.WorldUtil.getWorldName(this.level) + "' at "
-                    + "(" + chunkX + "," + chunkZ + ") status: " + toStatus
-            );
-        }
-
         if (TickThread.isTickThreadFor(this.level, chunkX, chunkZ)) {
             ChunkTaskScheduler.pushChunkWait(this.level, chunkX, chunkZ);
             this.mainThreadProcessor.managedBlock(completable::isDone);
@@ -268,6 +266,7 @@ abstract class ServerChunkCacheMixin extends ChunkSource implements ChunkSystemS
     @Override
     @Overwrite
     public void close() throws IOException {
+        this.dataStorage.close();
         ((ChunkSystemServerLevel)this.level).moonrise$getChunkTaskScheduler().chunkHolderManager.close(true, true);
     }
 
@@ -321,7 +320,7 @@ abstract class ServerChunkCacheMixin extends ChunkSource implements ChunkSystemS
      * @author Spottedleaf
      */
     @Inject(
-            method = "tickChunks",
+            method = "tickChunks(Lnet/minecraft/util/profiling/ProfilerFiller;JLjava/util/List;)V",
             at = @At(
                     value = "INVOKE",
                     shift = At.Shift.AFTER,
@@ -342,60 +341,13 @@ abstract class ServerChunkCacheMixin extends ChunkSource implements ChunkSystemS
      * @author Spottedleaf
      */
     @Redirect(
-            method = "tickChunks",
-            at = @At(
-                    value = "INVOKE",
-                    target = "Lnet/minecraft/server/level/ServerLevel;isNaturalSpawningAllowed(Lnet/minecraft/world/level/ChunkPos;)Z"
-            )
-    )
-    private boolean shortNaturalSpawning(final ServerLevel instance, final ChunkPos chunkPos) {
-        return true;
-    }
-
-    /**
-     * @reason In the chunk system, ticking chunks always have loaded entities. Of course, they are also always
-     *         marked to be as ticking as well.
-     * @author Spottedleaf
-     */
-    @Redirect(
-            method = "tickChunks",
-            at = @At(
-                    value = "INVOKE",
-                    target = "Lnet/minecraft/server/level/ServerLevel;shouldTickBlocksAt(J)Z"
-            )
+        method = "tickChunks(Lnet/minecraft/util/profiling/ProfilerFiller;JLjava/util/List;)V",
+        at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/server/level/ServerLevel;shouldTickBlocksAt(J)Z"
+        )
     )
     private boolean shortShouldTickBlocks(final ServerLevel instance, final long pos) {
         return true;
     }
-
-    /**
-     * @reason Since chunks in non-simulation range are only brought up to FULL status, not TICKING,
-     * those chunks may not be present in the ticking list and as a result we need to use our own list
-     * to ensure these chunks broadcast changes
-     * @author Spottedleaf
-     */
-    @Redirect(
-        method = "tickChunks",
-        at = @At(
-            value = "INVOKE",
-            target = "Ljava/util/List;forEach(Ljava/util/function/Consumer;)V"
-        )
-    )
-    private void fixBroadcastChanges(final List<ServerChunkCache.ChunkAndHolder> instance,
-                                     final Consumer<ServerChunkCache.ChunkAndHolder> consumer) {
-        final ReferenceList<ChunkHolder> unsyncedChunks = ((ChunkSystemServerLevel)this.level).moonrise$getUnsyncedChunks();
-        final ChunkHolder[] chunkHolders = unsyncedChunks.getRawDataUnchecked();
-        final int totalUnsyncedChunks = unsyncedChunks.size();
-
-        Objects.checkFromToIndex(0, totalUnsyncedChunks, chunkHolders.length);
-        for (int i = 0; i < totalUnsyncedChunks; ++i) {
-            final ChunkHolder chunkHolder = chunkHolders[i];
-            final LevelChunk chunk = chunkHolder.getChunkToSend();
-            if (chunk != null) {
-                chunkHolder.broadcastChanges(chunk);
-            }
-        }
-
-        ((ChunkSystemServerLevel)this.level).moonrise$clearUnsyncedChunks();
-    }
 }

src/main/java/ca/spottedleaf/moonrise/mixin/chunk_system/ServerLevelMixin.java

@@ -86,8 +86,8 @@ abstract class ServerLevelMixin extends Level implements ChunkSystemServerLevel,
     @Final
     private ServerChunkCache chunkSource;
 
-    protected ServerLevelMixin(WritableLevelData writableLevelData, ResourceKey<Level> resourceKey, RegistryAccess registryAccess, Holder<DimensionType> holder, Supplier<ProfilerFiller> supplier, boolean bl, boolean bl2, long l, int i) {
-        super(writableLevelData, resourceKey, registryAccess, holder, supplier, bl, bl2, l, i);
+    protected ServerLevelMixin(final WritableLevelData writableLevelData, final ResourceKey<Level> resourceKey, final RegistryAccess registryAccess, final Holder<DimensionType> holder, final boolean bl, final boolean bl2, final long l, final int i) {
+        super(writableLevelData, resourceKey, registryAccess, holder, bl, bl2, l, i);
     }
 
     @Unique
@@ -123,9 +123,6 @@ abstract class ServerLevelMixin extends Level implements ChunkSystemServerLevel,
     @Unique
     private static final ServerChunkCache.ChunkAndHolder[] EMPTY_CHUNK_AND_HOLDERS = new ServerChunkCache.ChunkAndHolder[0];
 
-    @Unique
-    private static final ChunkHolder[] EMPTY_CHUNK_HOLDERS = new ChunkHolder[0];
-
     @Unique
     private final ReferenceList<ServerChunkCache.ChunkAndHolder> loadedChunks = new ReferenceList<>(EMPTY_CHUNK_AND_HOLDERS);
 
@@ -135,9 +132,6 @@ abstract class ServerLevelMixin extends Level implements ChunkSystemServerLevel,
     @Unique
     private final ReferenceList<ServerChunkCache.ChunkAndHolder> entityTickingChunks = new ReferenceList<>(EMPTY_CHUNK_AND_HOLDERS);
 
-    @Unique
-    private final ReferenceList<ChunkHolder> unsyncedChunks = new ReferenceList<>(EMPTY_CHUNK_HOLDERS);
-
     /**
      * @reason Initialise fields / destroy entity manager state
      * @author Spottedleaf
@@ -354,45 +348,6 @@ abstract class ServerLevelMixin extends Level implements ChunkSystemServerLevel,
         return this.entityTickingChunks;
     }
 
-    @Override
-    public final ReferenceList<ChunkHolder> moonrise$getUnsyncedChunks() {
-        return this.unsyncedChunks;
-    }
-
-    @Override
-    public final void moonrise$addUnsyncedChunk(final ChunkHolder chunkHolder) {
-        if (((ChunkSystemChunkHolder)chunkHolder).moonrise$isMarkedDirtyForPlayers()) {
-            return;
-        }
-
-        ((ChunkSystemChunkHolder)chunkHolder).moonrise$markDirtyForPlayers(true);
-        this.unsyncedChunks.add(chunkHolder);
-    }
-
-    @Override
-    public final void moonrise$removeUnsyncedChunk(final ChunkHolder chunkHolder) {
-        if (!((ChunkSystemChunkHolder)chunkHolder).moonrise$isMarkedDirtyForPlayers()) {
-            return;
-        }
-
-        ((ChunkSystemChunkHolder)chunkHolder).moonrise$markDirtyForPlayers(false);
-        this.unsyncedChunks.remove(chunkHolder);
-    }
-
-    @Override
-    public final void moonrise$clearUnsyncedChunks() {
-        final ChunkHolder[] chunkHolders = this.unsyncedChunks.getRawDataUnchecked();
-        final int totalUnsyncedChunks = this.unsyncedChunks.size();
-
-        Objects.checkFromToIndex(0, totalUnsyncedChunks, chunkHolders.length);
-        for (int i = 0; i < totalUnsyncedChunks; ++i) {
-            final ChunkHolder chunkHolder = chunkHolders[i];
-
-            ((ChunkSystemChunkHolder)chunkHolder).moonrise$markDirtyForPlayers(false);
-        }
-        this.unsyncedChunks.clear();
-    }
-
     @Override
     public final boolean moonrise$areChunksLoaded(final int fromX, final int fromZ, final int toX, final int toZ) {
         final ServerChunkCache chunkSource = this.chunkSource;

src/main/java/ca/spottedleaf/moonrise/mixin/chunk_tick_iteration/ChunkMapMixin.java

@@ -85,11 +85,20 @@ abstract class ChunkMapMixin {
     }
 
     /**
-     * @reason Use nearby players to avoid iterating over all online players
+     * @reason Avoid checking first if there are nearby players, as we make internal perform this implicitly.
      * @author Spottedleaf
      */
     @Overwrite
     public boolean anyPlayerCloseEnoughForSpawning(final ChunkPos pos) {
+        return this.anyPlayerCloseEnoughForSpawningInternal(pos);
+    }
+
+    /**
+     * @reason Use nearby players to avoid iterating over all online players
+     * @author Spottedleaf
+     */
+    @Overwrite
+    public boolean anyPlayerCloseEnoughForSpawningInternal(final ChunkPos pos) {
         final ReferenceList<ServerPlayer> players = ((ChunkSystemServerLevel)this.level).moonrise$getNearbyPlayers().getPlayers(
                 pos, NearbyPlayers.NearbyMapType.SPAWN_RANGE
         );

src/main/java/ca/spottedleaf/moonrise/mixin/chunk_tick_iteration/DistanceManagerMixin.java

@@ -4,6 +4,7 @@ import ca.spottedleaf.moonrise.common.misc.PositionCountingAreaMap;
 import ca.spottedleaf.moonrise.common.util.CoordinateUtils;
 import ca.spottedleaf.moonrise.patches.chunk_tick_iteration.ChunkTickConstants;
 import ca.spottedleaf.moonrise.patches.chunk_tick_iteration.ChunkTickDistanceManager;
+import it.unimi.dsi.fastutil.longs.LongIterator;
 import net.minecraft.core.SectionPos;
 import net.minecraft.server.level.DistanceManager;
 import net.minecraft.server.level.ServerPlayer;
@@ -106,4 +107,13 @@ abstract class DistanceManagerMixin implements ChunkTickDistanceManager {
     public boolean hasPlayersNearby(final long pos) {
         return this.spawnChunkTracker.hasObjectsNear(CoordinateUtils.getChunkX(pos), CoordinateUtils.getChunkZ(pos));
     }
+
+    /**
+     * @reason Use spawnChunkTracker instead
+     * @author Spottedleaf
+     */
+    @Overwrite
+    public LongIterator getSpawnCandidateChunks() {
+        return this.spawnChunkTracker.getPositions().iterator();
+    }
 }

src/main/java/ca/spottedleaf/moonrise/mixin/chunk_tick_iteration/ServerChunkCacheMixin.java

@@ -7,8 +7,6 @@ import ca.spottedleaf.moonrise.patches.chunk_system.level.chunk.ChunkData;
 import ca.spottedleaf.moonrise.patches.chunk_system.level.chunk.ChunkSystemChunkHolder;
 import ca.spottedleaf.moonrise.patches.chunk_system.level.chunk.ChunkSystemLevelChunk;
 import ca.spottedleaf.moonrise.patches.chunk_tick_iteration.ChunkTickServerLevel;
-import com.llamalad7.mixinextras.sugar.Local;
-import it.unimi.dsi.fastutil.objects.ObjectArrayList;
 import net.minecraft.Util;
 import net.minecraft.server.level.ChunkMap;
 import net.minecraft.server.level.ServerChunkCache;
@@ -18,22 +16,15 @@ import net.minecraft.util.RandomSource;
 import net.minecraft.world.level.ChunkPos;
 import net.minecraft.world.level.chunk.ChunkSource;
 import net.minecraft.world.level.chunk.LevelChunk;
-import org.objectweb.asm.Opcodes;
 import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Overwrite;
 import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.Unique;
 import org.spongepowered.asm.mixin.injection.At;
-import org.spongepowered.asm.mixin.injection.Inject;
-import org.spongepowered.asm.mixin.injection.ModifyVariable;
 import org.spongepowered.asm.mixin.injection.Redirect;
-import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Iterator;
 import java.util.List;
 import java.util.Objects;
-import java.util.function.Consumer;
 
 @Mixin(ServerChunkCache.class)
 abstract class ServerChunkCacheMixin extends ChunkSource {
@@ -42,110 +33,18 @@ abstract class ServerChunkCacheMixin extends ChunkSource {
     @Final
     public ServerLevel level;
 
-    @Unique
-    private ServerChunkCache.ChunkAndHolder[] iterationCopy;
+    @Shadow
+    @Final
+    public ChunkMap chunkMap;
 
-    @Unique
-    private int iterationCopyLen;
 
     @Unique
     private final SimpleRandom shuffleRandom = new SimpleRandom(0L);
 
-    /**
-     * @reason Avoid creating the list, which is sized at the chunkholder count. The actual number of ticking
-     *         chunks is always lower. The mixin below will initialise the list to non-null.
-     * @author Spottedleaf
-     */
-    @Redirect(
-            method = "tickChunks",
-            at = @At(
-                    value = "INVOKE",
-                    target = "Lcom/google/common/collect/Lists;newArrayListWithCapacity(I)Ljava/util/ArrayList;"
-            )
-    )
-    private <T> ArrayList<T> avoidListCreation(final int initialArraySize) {
-        return null;
-    }
-
-    /**
-     * @reason Initialise the list to contain only the ticking chunks.
-     * @author Spottedleaf
-     */
-    @ModifyVariable(
-            method = "tickChunks",
-            at = @At(
-                    value = "STORE",
-                    opcode = Opcodes.ASTORE,
-                    ordinal = 0
-            )
-    )
-    private List<ServerChunkCache.ChunkAndHolder> initTickChunks(final List<ServerChunkCache.ChunkAndHolder> shouldBeNull) {
-        final ReferenceList<ServerChunkCache.ChunkAndHolder> tickingChunks =
-                ((ChunkTickServerLevel)this.level).moonrise$getPlayerTickingChunks();
-
-        final ServerChunkCache.ChunkAndHolder[] raw = tickingChunks.getRawDataUnchecked();
-        final int size = tickingChunks.size();
-
-        if (this.iterationCopy == null || this.iterationCopy.length < size) {
-            this.iterationCopy = new ServerChunkCache.ChunkAndHolder[raw.length];
-        }
-        this.iterationCopyLen = size;
-        System.arraycopy(raw, 0, this.iterationCopy, 0, size);
-
-        return ObjectArrayList.wrap(
-                this.iterationCopy, size
-        );
-    }
-
-    /**
-     * @reason Use random implementation which does not use CAS and has a faster nextInt(int)
-     *         function
-     * @author Spottedleaf
-     */
-    @Redirect(
-        method = "tickChunks",
-        at = @At(
-            value = "INVOKE",
-            target = "Lnet/minecraft/Util;shuffle(Ljava/util/List;Lnet/minecraft/util/RandomSource;)V"
-        )
-    )
-    private <T> void useBetterRandom(final List<T> list, final RandomSource randomSource) {
-        this.shuffleRandom.setSeed(randomSource.nextLong());
-        Util.shuffle(list, this.shuffleRandom);
-    }
-
-    /**
-     * @reason Do not initialise ticking chunk list, as we did that above.
-     * @author Spottedleaf
-     */
-    @Redirect(
-            method = "tickChunks",
-            at = @At(
-                    value = "INVOKE",
-                    target = "Ljava/util/Iterator;hasNext()Z",
-                    ordinal = 0
-            )
-    )
-    private <E> boolean skipTickAdd(final Iterator<E> instance) {
-        return false;
-    }
-
-    /**
-     * @reason Use the nearby players cache
-     * @author Spottedleaf
-     */
-    @Redirect(
-        method = "tickChunks",
-        at = @At(
-            value = "INVOKE",
-            target = "Lnet/minecraft/server/level/ChunkMap;anyPlayerCloseEnoughForSpawning(Lnet/minecraft/world/level/ChunkPos;)Z"
-        )
-    )
-    private boolean useNearbyCache(final ChunkMap instance, final ChunkPos chunkPos,
-                                   @Local(ordinal = 0, argsOnly = false) final LevelChunk levelChunk) {
-        final ChunkData chunkData =
-            ((ChunkSystemChunkHolder)((ChunkSystemLevelChunk)levelChunk).moonrise$getChunkAndHolder().holder())
-                .moonrise$getRealChunkHolder().holderData;
+    @Unique
+    private boolean isChunkNearPlayer(final ChunkMap chunkMap, final ChunkPos chunkPos, final LevelChunk levelChunk) {
+        final ChunkData chunkData = ((ChunkSystemChunkHolder)((ChunkSystemLevelChunk)levelChunk).moonrise$getChunkAndHolder().holder())
+            .moonrise$getRealChunkHolder().holderData;
         final NearbyPlayers.TrackedChunk nearbyPlayers = chunkData.nearbyPlayers;
         if (nearbyPlayers == null) {
             return false;
@@ -162,7 +61,7 @@ abstract class ServerChunkCacheMixin extends ChunkSource {
 
         Objects.checkFromIndexSize(0, len, raw.length);
         for (int i = 0; i < len; ++i) {
-            if (instance.playerIsCloseEnoughForSpawning(raw[i], chunkPos)) {
+            if (chunkMap.playerIsCloseEnoughForSpawning(raw[i], chunkPos)) {
                 return true;
             }
         }
@@ -171,19 +70,47 @@ abstract class ServerChunkCacheMixin extends ChunkSource {
     }
 
     /**
-     * @reason Clear the iteration array after the list is done being used.
+     * @reason Use the player ticking chunks list, which already contains chunks that are:
+     *         1. block ticking
+     *         2. within spawn range (8 chunks on any axis)
      * @author Spottedleaf
      */
-    @Inject(
-            method = "tickChunks",
-            at = @At(
-                    value = "INVOKE",
-                    target = "Ljava/util/List;forEach(Ljava/util/function/Consumer;)V",
-                    ordinal = 0,
-                    shift = At.Shift.AFTER
-            )
+    @Overwrite
+    private void collectTickingChunks(final List<LevelChunk> list) {
+        final ReferenceList<ServerChunkCache.ChunkAndHolder> tickingChunks =
+            ((ChunkTickServerLevel)this.level).moonrise$getPlayerTickingChunks();
+
+        final ServerChunkCache.ChunkAndHolder[] raw = tickingChunks.getRawDataUnchecked();
+        final int size = tickingChunks.size();
+
+        final ChunkMap chunkMap = this.chunkMap;
+
+        for (int i = 0; i < size; ++i) {
+            final ServerChunkCache.ChunkAndHolder chunkAndHolder = raw[i];
+            final LevelChunk levelChunk = chunkAndHolder.chunk();
+
+            if (!this.isChunkNearPlayer(chunkMap, levelChunk.getPos(), levelChunk)) {
+                continue;
+            }
+
+            list.add(levelChunk);
+        }
+    }
+
+    /**
+     * @reason Use random implementation which does not use CAS and has a faster nextInt(int)
+     *         function
+     * @author Spottedleaf
+     */
+    @Redirect(
+        method = "tickChunks()V",
+        at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/Util;shuffle(Ljava/util/List;Lnet/minecraft/util/RandomSource;)V"
+        )
     )
-    private void broadcastChanges(final CallbackInfo ci) {
-        Arrays.fill(this.iterationCopy, 0, this.iterationCopyLen, null);
+    private <T> void useBetterRandom(final List<T> list, final RandomSource randomSource) {
+        this.shuffleRandom.setSeed(randomSource.nextLong());
+        Util.shuffle(list, this.shuffleRandom);
     }
 }

src/main/java/ca/spottedleaf/moonrise/mixin/collisions/ArmorStandMixin.java

@@ -6,37 +6,32 @@ import net.minecraft.world.entity.LivingEntity;
 import net.minecraft.world.entity.decoration.ArmorStand;
 import net.minecraft.world.entity.vehicle.AbstractMinecart;
 import net.minecraft.world.level.Level;
-import org.spongepowered.asm.mixin.Final;
+import net.minecraft.world.phys.AABB;
 import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.Overwrite;
-import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
 import java.util.List;
 import java.util.function.Predicate;
 
 @Mixin(ArmorStand.class)
 abstract class ArmorStandMixin extends LivingEntity {
 
-    @Shadow
-    @Final
-    private static Predicate<Entity> RIDABLE_MINECARTS;
-
     protected ArmorStandMixin(EntityType<? extends LivingEntity> entityType, Level level) {
         super(entityType, level);
     }
 
     /**
-     * @reason Optimise this method by making it use the class lookup
+     * @reason Optimise by making it use the class lookup
      * @author Spottedleaf
      */
-    @Overwrite
-    public void pushEntities() {
-        final List<AbstractMinecart> nearby = this.level().getEntitiesOfClass(AbstractMinecart.class, this.getBoundingBox(), RIDABLE_MINECARTS);
-
-        for (int i = 0, len = nearby.size(); i < len; ++i) {
-            final AbstractMinecart minecart = nearby.get(i);
-            if (this.distanceToSqr(minecart) <= 0.2) {
-                minecart.push(this);
-            }
-        }
+    @Redirect(
+        method = "pushEntities",
+        at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/world/level/Level;getEntities(Lnet/minecraft/world/entity/Entity;Lnet/minecraft/world/phys/AABB;Ljava/util/function/Predicate;)Ljava/util/List;"
+        )
+    )
+    private List<Entity> redirectGetEntities(final Level instance, final Entity entity, final AABB list, final Predicate<? super Entity> arg) {
+        return (List)this.level().getEntitiesOfClass(AbstractMinecart.class, this.getBoundingBox(), arg);
     }
 }

src/main/java/ca/spottedleaf/moonrise/mixin/collisions/BlockStateBaseMixin.java

@@ -5,12 +5,16 @@ import ca.spottedleaf.moonrise.patches.collisions.shape.CollisionVoxelShape;
 import com.mojang.serialization.MapCodec;
 import it.unimi.dsi.fastutil.HashCommon;
 import it.unimi.dsi.fastutil.objects.Reference2ObjectArrayMap;
+import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
+import net.minecraft.world.level.BlockGetter;
 import net.minecraft.world.level.block.Block;
 import net.minecraft.world.level.block.state.BlockBehaviour;
 import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.level.block.state.StateHolder;
 import net.minecraft.world.level.block.state.properties.Property;
+import net.minecraft.world.phys.AABB;
+import net.minecraft.world.phys.shapes.CollisionContext;
 import net.minecraft.world.phys.shapes.Shapes;
 import net.minecraft.world.phys.shapes.VoxelShape;
 import org.spongepowered.asm.mixin.Mixin;
@@ -28,7 +32,13 @@ abstract class BlockStateBaseMixin extends StateHolder<Block, BlockState> implem
     protected BlockBehaviour.BlockStateBase.Cache cache;
 
     @Shadow
-    public abstract boolean isAir();
+    public abstract VoxelShape getCollisionShape(BlockGetter blockGetter, BlockPos blockPos, CollisionContext collisionContext);
+
+    @Shadow
+    public VoxelShape[] occlusionShapesByFace;
+
+    @Shadow
+    public VoxelShape occlusionShape;
 
     protected BlockStateBaseMixin(Block object, Reference2ObjectArrayMap<Property<?>, Comparable<?>> reference2ObjectArrayMap, MapCodec<BlockState> mapCodec) {
         super(object, reference2ObjectArrayMap, mapCodec);
@@ -70,7 +80,7 @@ abstract class BlockStateBaseMixin extends StateHolder<Block, BlockState> implem
         }
         if (neighbours) {
             for (final Direction direction : DIRECTIONS_CACHED) {
-                initCaches(Shapes.getFaceShape(shape, direction), false);
+                initCaches(((CollisionVoxelShape)shape).moonrise$getFaceShapeClamped(direction), false);
                 initCaches(shape.getFaceShape(direction), false);
             }
         }
@@ -89,9 +99,10 @@ abstract class BlockStateBaseMixin extends StateHolder<Block, BlockState> implem
     private void initCollisionState(final CallbackInfo ci) {
         if (this.cache != null) {
             final VoxelShape collisionShape = this.cache.collisionShape;
-            if (this.isAir()) {
-                this.constantCollisionShape = Shapes.empty();
-            } else {
+            try {
+                this.constantCollisionShape = this.getCollisionShape(null, null, null);
+            } catch (final Throwable throwable) {
+                // :(
                 this.constantCollisionShape = null;
             }
             this.occludesFullBlock = ((CollisionVoxelShape)collisionShape).moonrise$occludesFullBlock();
@@ -102,17 +113,21 @@ abstract class BlockStateBaseMixin extends StateHolder<Block, BlockState> implem
             if (this.constantCollisionShape != null) {
                 initCaches(this.constantCollisionShape, true);
             }
-            if (this.cache.occlusionShapes != null) {
-                for (final VoxelShape shape : this.cache.occlusionShapes) {
-                    initCaches(shape, false);
-                }
-            }
         } else {
             this.occludesFullBlock = false;
             this.emptyCollisionShape = false;
             this.emptyConstantCollisionShape = false;
             this.constantCollisionShape = null;
         }
+
+        if (this.occlusionShape != null) {
+            initCaches(this.occlusionShape, true);
+        }
+        if (this.occlusionShapesByFace != null) {
+            for (final VoxelShape shape : this.occlusionShapesByFace) {
+                initCaches(shape, true);
+            }
+        }
     }
 
     @Override

src/main/java/ca/spottedleaf/moonrise/mixin/collisions/EntityGetterMixin.java

@@ -74,7 +74,7 @@ interface EntityGetterMixin {
     @Overwrite
     default boolean isUnobstructed(final Entity entity, final VoxelShape voxel) {
         if (voxel.isEmpty()) {
-            return true;
+            return false;
         }
 
         final AABB singleAABB = ((CollisionVoxelShape)voxel).moonrise$getSingleAABBRepresentation();

src/main/java/ca/spottedleaf/moonrise/mixin/collisions/EntityMixin.java

@@ -1,20 +1,16 @@
 package ca.spottedleaf.moonrise.mixin.collisions;
 
 import ca.spottedleaf.moonrise.common.util.WorldUtil;
-import ca.spottedleaf.moonrise.patches.chunk_system.level.ChunkSystemLevel;
 import ca.spottedleaf.moonrise.patches.collisions.CollisionUtil;
 import ca.spottedleaf.moonrise.patches.collisions.block.CollisionBlockState;
 import ca.spottedleaf.moonrise.patches.collisions.shape.CollisionVoxelShape;
-import ca.spottedleaf.moonrise.patches.collisions.util.NoneMatchStream;
 import it.unimi.dsi.fastutil.floats.FloatArraySet;
 import it.unimi.dsi.fastutil.floats.FloatArrays;
 import net.minecraft.core.BlockPos;
-import net.minecraft.tags.BlockTags;
 import net.minecraft.util.Mth;
 import net.minecraft.world.entity.Entity;
 import net.minecraft.world.entity.EntityDimensions;
 import net.minecraft.world.level.Level;
-import net.minecraft.world.level.block.Blocks;
 import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.level.chunk.ChunkSource;
 import net.minecraft.world.level.chunk.LevelChunkSection;
@@ -27,11 +23,8 @@ import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Overwrite;
 import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.Unique;
-import org.spongepowered.asm.mixin.injection.At;
-import org.spongepowered.asm.mixin.injection.Redirect;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.stream.Stream;
 
 @Mixin(Entity.class)
 abstract class EntityMixin {
@@ -57,12 +50,6 @@ abstract class EntityMixin {
     @Shadow
     private boolean onGround;
 
-    @Shadow
-    public abstract boolean isAlive();
-
-    @Shadow
-    protected abstract void onInsideBlock(final BlockState blockState);
-
     @Unique
     private static float[] calculateStepHeights(final AABB box, final List<VoxelShape> voxels, final List<AABB> aabbs, final float stepHeight,
                                                 final float collidedY) {
@@ -296,163 +283,4 @@ abstract class EntityMixin {
 
         return false;
     }
-
-    /**
-     * @reason Avoid streams for retrieving blocks
-     * @author Spottedleaf
-     */
-    @Redirect(
-        method = "move",
-        at = @At(
-            value = "INVOKE",
-            target = "Lnet/minecraft/world/level/Level;getBlockStatesIfLoaded(Lnet/minecraft/world/phys/AABB;)Ljava/util/stream/Stream;",
-            ordinal = 0
-        )
-    )
-    private <T> Stream<T> avoidStreams(final Level world, final AABB boundingBox) {
-        final int minBlockX = Mth.floor(boundingBox.minX);
-        final int minBlockY = Mth.floor(boundingBox.minY);
-        final int minBlockZ = Mth.floor(boundingBox.minZ);
-
-        final int maxBlockX = Mth.floor(boundingBox.maxX);
-        final int maxBlockY = Mth.floor(boundingBox.maxY);
-        final int maxBlockZ = Mth.floor(boundingBox.maxZ);
-
-        final int minChunkX = minBlockX >> 4;
-        final int minChunkY = minBlockY >> 4;
-        final int minChunkZ = minBlockZ >> 4;
-
-        final int maxChunkX = maxBlockX >> 4;
-        final int maxChunkY = maxBlockY >> 4;
-        final int maxChunkZ = maxBlockZ >> 4;
-
-        if (!((ChunkSystemLevel)world).moonrise$areChunksLoaded(minChunkX, minChunkZ, maxChunkX, maxChunkZ)) {
-            return new NoneMatchStream<>(true);
-        }
-
-        final int minSection = WorldUtil.getMinSection(world);
-        final ChunkSource chunkSource = world.getChunkSource();
-
-        for (int currChunkZ = minChunkZ; currChunkZ <= maxChunkZ; ++currChunkZ) {
-            for (int currChunkX = minChunkX; currChunkX <= maxChunkX; ++currChunkX) {
-                final LevelChunkSection[] sections = chunkSource.getChunk(currChunkX, currChunkZ, ChunkStatus.FULL, false).getSections();
-
-                for (int currChunkY = minChunkY; currChunkY <= maxChunkY; ++currChunkY) {
-                    final int sectionIdx = currChunkY - minSection;
-                    if (sectionIdx < 0 || sectionIdx >= sections.length) {
-                        continue;
-                    }
-                    final LevelChunkSection section = sections[sectionIdx];
-                    if (section.hasOnlyAir()) {
-                        // empty
-                        continue;
-                    }
-
-                    final PalettedContainer<BlockState> blocks = section.states;
-
-                    final int minXIterate = currChunkX == minChunkX ? (minBlockX & 15) : 0;
-                    final int maxXIterate = currChunkX == maxChunkX ? (maxBlockX & 15) : 15;
-                    final int minZIterate = currChunkZ == minChunkZ ? (minBlockZ & 15) : 0;
-                    final int maxZIterate = currChunkZ == maxChunkZ ? (maxBlockZ & 15) : 15;
-                    final int minYIterate = currChunkY == minChunkY ? (minBlockY & 15) : 0;
-                    final int maxYIterate = currChunkY == maxChunkY ? (maxBlockY & 15) : 15;
-
-                    for (int currY = minYIterate; currY <= maxYIterate; ++currY) {
-                        for (int currZ = minZIterate; currZ <= maxZIterate; ++currZ) {
-                            for (int currX = minXIterate; currX <= maxXIterate; ++currX) {
-                                final BlockState blockState = blocks.get((currX) | (currZ << 4) | ((currY) << 8));
-
-                                if (blockState.is(Blocks.LAVA) || blockState.is(BlockTags.FIRE)) {
-                                    return new NoneMatchStream<>(false);
-                                }
-                            }
-                        }
-                    }
-                }
-            }
-        }
-
-        return new NoneMatchStream<>(true);
-    }
-
-    /**
-     * @reason Retrieve blocks more efficiently
-     * @author Spottedleaf
-     */
-    @Overwrite
-    public void checkInsideBlocks() {
-        final AABB boundingBox = this.getBoundingBox();
-
-        final int minBlockX = Mth.floor(boundingBox.minX + CollisionUtil.COLLISION_EPSILON);
-        final int minBlockY = Mth.floor(boundingBox.minY + CollisionUtil.COLLISION_EPSILON);
-        final int minBlockZ = Mth.floor(boundingBox.minZ + CollisionUtil.COLLISION_EPSILON);
-
-        final int maxBlockX = Mth.floor(boundingBox.maxX - CollisionUtil.COLLISION_EPSILON);
-        final int maxBlockY = Mth.floor(boundingBox.maxY - CollisionUtil.COLLISION_EPSILON);
-        final int maxBlockZ = Mth.floor(boundingBox.maxZ - CollisionUtil.COLLISION_EPSILON);
-
-        final int minChunkX = minBlockX >> 4;
-        final int minChunkY = minBlockY >> 4;
-        final int minChunkZ = minBlockZ >> 4;
-
-        final int maxChunkX = maxBlockX >> 4;
-        final int maxChunkY = maxBlockY >> 4;
-        final int maxChunkZ = maxBlockZ >> 4;
-
-        final Level world = this.level;
-
-        if (!((ChunkSystemLevel)world).moonrise$areChunksLoaded(minChunkX, minChunkZ, maxChunkX, maxChunkZ)) {
-            return;
-        }
-
-        final int minSection = WorldUtil.getMinSection(world);
-        final ChunkSource chunkSource = world.getChunkSource();
-        final BlockPos.MutableBlockPos mutablePos = new BlockPos.MutableBlockPos();
-
-        for (int currChunkZ = minChunkZ; currChunkZ <= maxChunkZ; ++currChunkZ) {
-            for (int currChunkX = minChunkX; currChunkX <= maxChunkX; ++currChunkX) {
-                final LevelChunkSection[] sections = chunkSource.getChunk(currChunkX, currChunkZ, ChunkStatus.FULL, false).getSections();
-
-                for (int currChunkY = minChunkY; currChunkY <= maxChunkY; ++currChunkY) {
-                    final int sectionIdx = currChunkY - minSection;
-                    if (sectionIdx < 0 || sectionIdx >= sections.length) {
-                        continue;
-                    }
-                    final LevelChunkSection section = sections[sectionIdx];
-                    if (section.hasOnlyAir()) {
-                        // empty
-                        continue;
-                    }
-
-                    final PalettedContainer<BlockState> blocks = section.states;
-
-                    final int minXIterate = currChunkX == minChunkX ? (minBlockX & 15) : 0;
-                    final int maxXIterate = currChunkX == maxChunkX ? (maxBlockX & 15) : 15;
-                    final int minZIterate = currChunkZ == minChunkZ ? (minBlockZ & 15) : 0;
-                    final int maxZIterate = currChunkZ == maxChunkZ ? (maxBlockZ & 15) : 15;
-                    final int minYIterate = currChunkY == minChunkY ? (minBlockY & 15) : 0;
-                    final int maxYIterate = currChunkY == maxChunkY ? (maxBlockY & 15) : 15;
-
-                    for (int currY = minYIterate; currY <= maxYIterate; ++currY) {
-                        mutablePos.setY(currY | (currChunkY << 4));
-                        for (int currZ = minZIterate; currZ <= maxZIterate; ++currZ) {
-                            mutablePos.setZ(currZ | (currChunkZ << 4));
-                            for (int currX = minXIterate; currX <= maxXIterate; ++currX) {
-                                mutablePos.setX(currX | (currChunkX << 4));
-
-                                final BlockState blockState = blocks.get((currX) | (currZ << 4) | ((currY) << 8));
-
-                                if (!this.isAlive()) {
-                                    return;
-                                }
-
-                                blockState.entityInside(world, mutablePos, (Entity)(Object)this);
-                                this.onInsideBlock(blockState);
-                            }
-                        }
-                    }
-                }
-            }
-        }
-    }
 }

src/main/java/ca/spottedleaf/moonrise/mixin/collisions/LevelMixin.java

@@ -55,7 +55,7 @@ abstract class LevelMixin implements LevelAccessor, AutoCloseable {
     public boolean isUnobstructed(final Entity entity) {
         final AABB boundingBox = entity.getBoundingBox();
         if (CollisionUtil.isEmpty(boundingBox)) {
-            return true;
+            return false;
         }
 
         final List<Entity> entities = this.getEntities(
@@ -83,7 +83,7 @@ abstract class LevelMixin implements LevelAccessor, AutoCloseable {
         final Vec3 to = clipContext.getTo();
         final Vec3 from = clipContext.getFrom();
 
-        return BlockHitResult.miss(to, Direction.getNearest(from.x - to.x, from.y - to.y, from.z - to.z), BlockPos.containing(to.x, to.y, to.z));
+        return BlockHitResult.miss(to, Direction.getApproximateNearest(from.x - to.x, from.y - to.y, from.z - to.z), BlockPos.containing(to.x, to.y, to.z));
     }
 
     @Unique

src/main/java/ca/spottedleaf/moonrise/mixin/collisions/LiquidBlockRendererMixin.java

@@ -4,9 +4,7 @@ import ca.spottedleaf.moonrise.patches.collisions.CollisionUtil;
 import ca.spottedleaf.moonrise.patches.collisions.shape.CollisionVoxelShape;
 import it.unimi.dsi.fastutil.doubles.DoubleArrayList;
 import net.minecraft.client.renderer.block.LiquidBlockRenderer;
-import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
-import net.minecraft.world.level.BlockGetter;
 import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.phys.shapes.ArrayVoxelShape;
 import net.minecraft.world.phys.shapes.BooleanOp;
@@ -23,12 +21,7 @@ abstract class LiquidBlockRendererMixin {
      * @author Spottedleaf
      */
     @Overwrite
-    private static boolean isFaceOccludedByState(final BlockGetter world, final Direction direction, final float height,
-                                                 final BlockPos pos, final BlockState state) {
-        if (!state.canOcclude()) {
-            return false;
-        }
-
+    private static boolean isFaceOccludedByState(final Direction direction, final float height, final BlockState state) {
         // check for created shape is empty
         if (height < (float)CollisionUtil.COLLISION_EPSILON) {
             return false;
@@ -50,25 +43,26 @@ abstract class LiquidBlockRendererMixin {
         } else {
             // the extrusion includes the height
             heightShape = new ArrayVoxelShape(
-                    Shapes.block().shape,
-                    CollisionUtil.ZERO_ONE,
-                    DoubleArrayList.wrap(new double[] { 0.0, heightDouble }),
-                    CollisionUtil.ZERO_ONE
+                Shapes.block().shape,
+                CollisionUtil.ZERO_ONE,
+                DoubleArrayList.wrap(new double[] { 0.0, heightDouble }),
+                CollisionUtil.ZERO_ONE
             );
         }
 
-        final VoxelShape stateShape = ((CollisionVoxelShape)state.getOcclusionShape(world, pos)).moonrise$getFaceShapeClamped(direction.getOpposite());
+        final VoxelShape occlusionShape = ((CollisionVoxelShape)state.getFaceOcclusionShape(direction.getOpposite()))
+            .moonrise$getFaceShapeClamped(direction.getOpposite());
 
-        if (stateShape.isEmpty()) {
+        if (occlusionShape.isEmpty()) {
             // cannot occlude
             return false;
         }
 
         // fast check for box
-        if (heightShape == stateShape) {
+        if (heightShape == occlusionShape) {
             return true;
         }
 
-        return !Shapes.joinIsNotEmpty(heightShape, stateShape, BooleanOp.ONLY_FIRST);
+        return !Shapes.joinIsNotEmpty(heightShape, occlusionShape, BooleanOp.ONLY_FIRST);
     }
 }

src/main/java/ca/spottedleaf/moonrise/mixin/collisions/LivingEntityMixin.java

@@ -1,55 +0,0 @@
-package ca.spottedleaf.moonrise.mixin.collisions;
-
-import net.minecraft.world.entity.Attackable;
-import net.minecraft.world.entity.Entity;
-import net.minecraft.world.entity.EntitySelector;
-import net.minecraft.world.entity.EntityType;
-import net.minecraft.world.entity.LivingEntity;
-import net.minecraft.world.entity.player.Player;
-import net.minecraft.world.level.GameRules;
-import net.minecraft.world.level.Level;
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.Overwrite;
-import org.spongepowered.asm.mixin.Shadow;
-import java.util.List;
-
-@Mixin(LivingEntity.class)
-abstract class LivingEntityMixin extends Entity implements Attackable {
-
-    @Shadow
-    protected abstract void doPush(Entity entity);
-
-    public LivingEntityMixin(EntityType<?> entityType, Level level) {
-        super(entityType, level);
-    }
-
-    /**
-     * @reason Optimise this method
-     * @author Spottedleaf
-     */
-    @Overwrite
-    public void pushEntities() {
-        if (this.level().isClientSide()) {
-            final List<Player> players = this.level().getEntitiesOfClass(Player.class, this.getBoundingBox(), EntitySelector.pushableBy(this));
-            for (int i = 0, len = players.size(); i < len; ++i) {
-                this.doPush(players.get(i));
-            }
-        } else {
-            final List<Entity> nearby = this.level().getEntities(this, this.getBoundingBox(), EntitySelector.pushableBy(this));
-
-            // only iterate ONCE
-            int nonPassengers = 0;
-            for (int i = 0, len = nearby.size(); i < len; ++i) {
-                final Entity entity = nearby.get(i);
-                nonPassengers += (entity.isPassenger() ? 0 : 1);
-                this.doPush(entity);
-            }
-
-            int maxCramming;
-            if (nonPassengers != 0 && (maxCramming = this.level().getGameRules().getInt(GameRules.RULE_MAX_ENTITY_CRAMMING)) > 0
-                && nonPassengers > (maxCramming - 1) && this.random.nextInt(4) == 0) {
-                this.hurt(this.damageSources().cramming(), 6.0F);
-            }
-        }
-    }
-}

src/main/java/ca/spottedleaf/moonrise/mixin/collisions/ParticleMixin.java

@@ -79,8 +79,7 @@ abstract class ParticleMixin {
         final List<VoxelShape> voxels = new ArrayList<>();
         final boolean collided = CollisionUtil.getCollisionsForBlocksOrWorldBorder(
                 world, entity, collisionBox, voxels, boxes,
-                0,
-                null
+                0, null
         );
 
         if (!collided) {

src/main/java/ca/spottedleaf/moonrise/mixin/collisions/ServerExplosionMixin.java

@@ -1,6 +1,5 @@
 package ca.spottedleaf.moonrise.mixin.collisions;
 
-import ca.spottedleaf.moonrise.common.PlatformHooks;
 import ca.spottedleaf.moonrise.common.util.CoordinateUtils;
 import ca.spottedleaf.moonrise.patches.getblock.GetBlockChunk;
 import ca.spottedleaf.moonrise.patches.collisions.CollisionUtil;
@@ -10,20 +9,15 @@ import it.unimi.dsi.fastutil.doubles.DoubleArrayList;
 import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
 import it.unimi.dsi.fastutil.objects.ObjectArrayList;
 import net.minecraft.core.BlockPos;
+import net.minecraft.server.level.ServerLevel;
 import net.minecraft.util.Mth;
-import net.minecraft.world.damagesource.DamageSource;
 import net.minecraft.world.entity.Entity;
-import net.minecraft.world.entity.LivingEntity;
-import net.minecraft.world.entity.ai.attributes.Attributes;
-import net.minecraft.world.entity.item.PrimedTnt;
-import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.level.ChunkPos;
 import net.minecraft.world.level.Explosion;
 import net.minecraft.world.level.ExplosionDamageCalculator;
-import net.minecraft.world.level.Level;
+import net.minecraft.world.level.ServerExplosion;
 import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.level.chunk.LevelChunk;
-import net.minecraft.world.level.gameevent.GameEvent;
 import net.minecraft.world.level.material.FluidState;
 import net.minecraft.world.phys.AABB;
 import net.minecraft.world.phys.Vec3;
@@ -33,33 +27,20 @@ import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Overwrite;
 import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.Unique;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.Redirect;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 import java.util.Arrays;
 import java.util.List;
-import java.util.Map;
 import java.util.Optional;
 
-@Mixin(Explosion.class)
-abstract class ExplosionMixin {
+@Mixin(ServerExplosion.class)
+abstract class ServerExplosionMixin {
 
     @Shadow
     @Final
-    private Level level;
-
-    @Shadow
-    @Final
-    private Entity source;
-
-    @Shadow
-    @Final
-    private double x;
-
-    @Shadow
-    @Final
-    private double y;
-
-    @Shadow
-    @Final
-    private double z;
+    private ServerLevel level;
 
     @Shadow
     @Final
@@ -69,21 +50,13 @@ abstract class ExplosionMixin {
     @Final
     private float radius;
 
-    @Shadow
-    @Final
-    private ObjectArrayList<BlockPos> toBlow;
-
-    @Shadow
-    @Final
-    private Map<Player, Vec3> hitPlayers;
-
     @Shadow
     @Final
     private boolean fire;
 
     @Shadow
     @Final
-    private DamageSource damageSource;
+    private Vec3 center;
 
 
     @Unique
@@ -142,6 +115,12 @@ abstract class ExplosionMixin {
     @Unique
     private LevelChunk[] chunkCache = null;
 
+    @Unique
+    private ExplosionBlockCache[] directMappedBlockCache;
+
+    @Unique
+    private BlockPos.MutableBlockPos mutablePos;
+
     @Unique
     private ExplosionBlockCache getOrCacheExplosionBlock(final int x, final int y, final int z,
                                                          final long key, final boolean calculateResistance) {
@@ -343,29 +322,45 @@ abstract class ExplosionMixin {
         return (float)missedRays / (float)totalRays;
     }
 
+
     /**
-     * @reason Rewrite ray casting and seen fraction calculation for performance
+     * @reason Init cache fields
+     * @author Spottedleaf
+     */
+    @Inject(
+        method = "explode",
+        at = @At(
+            value = "HEAD"
+        )
+    )
+    private void initCacheFields(final CallbackInfo ci) {
+        this.blockCache = new Long2ObjectOpenHashMap<>();
+        this.chunkPosCache = new long[CHUNK_CACHE_WIDTH * CHUNK_CACHE_WIDTH];
+        Arrays.fill(this.chunkPosCache, ChunkPos.INVALID_CHUNK_POS);
+        this.chunkCache = new LevelChunk[CHUNK_CACHE_WIDTH * CHUNK_CACHE_WIDTH];
+        this.directMappedBlockCache = new ExplosionBlockCache[BLOCK_EXPLOSION_CACHE_WIDTH * BLOCK_EXPLOSION_CACHE_WIDTH * BLOCK_EXPLOSION_CACHE_WIDTH];
+        this.mutablePos = new BlockPos.MutableBlockPos();
+    }
+
+
+    /**
+     * @reason Rewrite ray casting for performance
      * @author Spottedleaf
      */
     @Overwrite
-    public void explode() {
-        this.level.gameEvent(this.source, GameEvent.EXPLODE, new Vec3(this.x, this.y, this.z));
+    public List<BlockPos> calculateExplodedPositions() {
+        final ObjectArrayList<BlockPos> ret = new ObjectArrayList<>();
 
-        this.blockCache = new Long2ObjectOpenHashMap<>();
+        final Vec3 center = this.center;
 
-        this.chunkPosCache = new long[CHUNK_CACHE_WIDTH * CHUNK_CACHE_WIDTH];
-        Arrays.fill(this.chunkPosCache, ChunkPos.INVALID_CHUNK_POS);
-
-        this.chunkCache = new LevelChunk[CHUNK_CACHE_WIDTH * CHUNK_CACHE_WIDTH];
-
-        final ExplosionBlockCache[] blockCache = new ExplosionBlockCache[BLOCK_EXPLOSION_CACHE_WIDTH * BLOCK_EXPLOSION_CACHE_WIDTH * BLOCK_EXPLOSION_CACHE_WIDTH];
+        final ExplosionBlockCache[] blockCache = this.directMappedBlockCache;
 
         // use initial cache value that is most likely to be used: the source position
         final ExplosionBlockCache initialCache;
         {
-            final int blockX = Mth.floor(this.x);
-            final int blockY = Mth.floor(this.y);
-            final int blockZ = Mth.floor(this.z);
+            final int blockX = Mth.floor(center.x);
+            final int blockY = Mth.floor(center.y);
+            final int blockZ = Mth.floor(center.z);
 
             final long key = BlockPos.asLong(blockX, blockY, blockZ);
 
@@ -381,9 +376,9 @@ abstract class ExplosionMixin {
         for (int ray = 0, len = CACHED_RAYS.length; ray < len;) {
             ExplosionBlockCache cachedBlock = initialCache;
 
-            double currX = this.x;
-            double currY = this.y;
-            double currZ = this.z;
+            double currX = center.x;
+            double currY = center.y;
+            double currZ = center.z;
 
             final double incX = CACHED_RAYS[ray];
             final double incY = CACHED_RAYS[ray + 1];
@@ -402,7 +397,7 @@ abstract class ExplosionMixin {
 
                 if (cachedBlock.key != key) {
                     final int cacheKey =
-                            (blockX & BLOCK_EXPLOSION_CACHE_MASK) |
+                        (blockX & BLOCK_EXPLOSION_CACHE_MASK) |
                             (blockY & BLOCK_EXPLOSION_CACHE_MASK) << (BLOCK_EXPLOSION_CACHE_SHIFT) |
                             (blockZ & BLOCK_EXPLOSION_CACHE_MASK) << (BLOCK_EXPLOSION_CACHE_SHIFT + BLOCK_EXPLOSION_CACHE_SHIFT);
                     cachedBlock = blockCache[cacheKey];
@@ -424,7 +419,7 @@ abstract class ExplosionMixin {
                     cachedBlock.shouldExplode = shouldExplode ? Boolean.TRUE : Boolean.FALSE;
                     if (shouldExplode) {
                         if (this.fire || !cachedBlock.blockState.isAir()) {
-                            this.toBlow.add(cachedBlock.immutablePos);
+                            ret.add(cachedBlock.immutablePos);
                         }
                     }
                 }
@@ -436,83 +431,42 @@ abstract class ExplosionMixin {
             } while (power > 0.0f);
         }
 
-        final double diameter = (double)this.radius * 2.0;
-        final List<Entity> entities = this.level.getEntities(this.source,
-                new AABB(
-                        (double)Mth.floor(this.x - (diameter + 1.0)),
-                        (double)Mth.floor(this.y - (diameter + 1.0)),
-                        (double)Mth.floor(this.z - (diameter + 1.0)),
+        return ret;
+    }
 
-                        (double)Mth.floor(this.x + (diameter + 1.0)),
-                        (double)Mth.floor(this.y + (diameter + 1.0)),
-                        (double)Mth.floor(this.z + (diameter + 1.0))
-                )
-        );
-        final Vec3 center = new Vec3(this.x, this.y, this.z);
-
-        final BlockPos.MutableBlockPos blockPos = new BlockPos.MutableBlockPos();
-
-        final PlatformHooks platformHooks = PlatformHooks.get();
-
-        platformHooks.onExplosion(this.level, (Explosion)(Object)this, entities, diameter);
-        for (int i = 0, len = entities.size(); i < len; ++i) {
-            final Entity entity = entities.get(i);
-            if (entity.ignoreExplosion((Explosion)(Object)this)) {
-                continue;
-            }
-
-            final double normalizedDistanceToCenter = Math.sqrt(entity.distanceToSqr(center)) / diameter;
-            if (normalizedDistanceToCenter > 1.0) {
-                continue;
-            }
-
-            double distX = entity.getX() - this.x;
-            double distY = (entity instanceof PrimedTnt ? entity.getY() : entity.getEyeY()) - this.y;
-            double distZ = entity.getZ() - this.z;
-            final double distMag = Math.sqrt(distX * distX + distY * distY + distZ * distZ);
-
-            if (distMag == 0.0) {
-                continue;
-            }
-
-            distX /= distMag;
-            distY /= distMag;
-            distZ /= distMag;
-
-            // route to new visible fraction calculation, using the existing block cache
-            final double seenFraction = (double)this.getSeenFraction(center, entity, blockCache, blockPos);
-            if (this.damageCalculator.shouldDamageEntity((Explosion)(Object)this, entity)) {
-                // inline getEntityDamageAmount so that we can avoid double calling getSeenPercent, which is the MOST
-                // expensive part of this loop!!!!
-                final double factor = (1.0 - normalizedDistanceToCenter) * seenFraction;
-                entity.hurt(this.damageSource, (float)((factor * factor + factor) / 2.0 * 7.0 * diameter + 1.0));
-            }
-
-            final double intensityFraction = (1.0 - normalizedDistanceToCenter) * seenFraction * (double)this.damageCalculator.getKnockbackMultiplier(entity);
-
-
-            final double knockbackFraction;
-            if (entity instanceof LivingEntity livingEntity) {
-                knockbackFraction = intensityFraction * (1.0 - livingEntity.getAttributeValue(Attributes.EXPLOSION_KNOCKBACK_RESISTANCE));
-            } else {
-                knockbackFraction = intensityFraction;
-            }
-
-            Vec3 knockback = new Vec3(distX * knockbackFraction, distY * knockbackFraction, distZ * knockbackFraction);
-            knockback = platformHooks.modifyExplosionKnockback(this.level, (Explosion)(Object)this, entity, knockback);
-            entity.setDeltaMovement(entity.getDeltaMovement().add(knockback));
-
-            if (entity instanceof Player player) {
-                if (!player.isSpectator() && (!player.isCreative() || !player.getAbilities().flying)) {
-                    this.hitPlayers.put(player, knockback);
-                }
-            }
-
-            entity.onExplosionHit(this.source);
-        }
+    /**
+     * @reason Use optimised getSeenPercent implementation
+     * @author Spottedleaf
+     */
+    @Redirect(
+        method = {
+            "hurtEntities()V",
+            "hurtEntities(Ljava/util/List;)V" // Neo moves logic into this new method
+        },
+        at = @At(
+            value = "INVOKE",
+            target = "Lnet/minecraft/world/level/ServerExplosion;getSeenPercent(Lnet/minecraft/world/phys/Vec3;Lnet/minecraft/world/entity/Entity;)F"
+        )
+    )
+    private float useBetterSeenPercent(final Vec3 center, final Entity target) {
+        return this.getSeenFraction(center, target, this.directMappedBlockCache, this.mutablePos);
+    }
 
+    /**
+     * @reason Destroy cache fields
+     * @author Spottedleaf
+     */
+    @Inject(
+        method = "explode",
+        at = @At(
+            value = "RETURN"
+        )
+    )
+    private void destroyCacheFields(final CallbackInfo ci) {
         this.blockCache = null;
         this.chunkPosCache = null;
         this.chunkCache = null;
+        this.directMappedBlockCache = null;
+        this.mutablePos = null;
     }
 }

src/main/java/ca/spottedleaf/moonrise/mixin/collisions/ShapesMixin.java

@@ -278,15 +278,6 @@ abstract class ShapesMixin {
         return ret;
     }
 
-    /**
-     * @reason Route to use cache
-     * @author Spottedleaf
-     */
-    @Overwrite
-    public static VoxelShape getFaceShape(final VoxelShape shape, final Direction direction) {
-        return ((CollisionVoxelShape)shape).moonrise$getFaceShapeClamped(direction);
-    }
-
     @Unique
     private static boolean mergedMayOccludeBlock(final VoxelShape shape1, final VoxelShape shape2) {
         // if the combined bounds of the two shapes cannot occlude, then neither can the merged

src/main/java/ca/spottedleaf/moonrise/mixin/collisions/SliceShapeMixin.java

@@ -1,9 +1,7 @@
 package ca.spottedleaf.moonrise.mixin.collisions;
 
 import ca.spottedleaf.moonrise.patches.collisions.shape.CollisionVoxelShape;
-import net.minecraft.core.Direction;
 import net.minecraft.world.phys.shapes.SliceShape;
-import net.minecraft.world.phys.shapes.VoxelShape;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
@@ -22,7 +20,7 @@ abstract class SliceShapeMixin {
                     value = "RETURN"
             )
     )
-    private void initState(final VoxelShape parent, final Direction.Axis forAxis, final int forIndex, final CallbackInfo ci) {
+    private void initState(final CallbackInfo ci) {
         ((CollisionVoxelShape)this).moonrise$initCache();
     }
 }

src/main/java/ca/spottedleaf/moonrise/mixin/collisions/VoxelShapeMixin.java

@@ -687,13 +687,13 @@ abstract class VoxelShapeMixin implements CollisionVoxelShape {
         final AABB singleAABB = this.singleAABBRepresentation;
         if (singleAABB != null) {
             if (singleAABB.contains(fromBehindOffsetX, fromBehindOffsetY, fromBehindOffsetZ)) {
-                return new BlockHitResult(fromBehind, Direction.getNearest(directionOpposite.x, directionOpposite.y, directionOpposite.z).getOpposite(), offset, true);
+                return new BlockHitResult(fromBehind, Direction.getApproximateNearest(directionOpposite.x, directionOpposite.y, directionOpposite.z).getOpposite(), offset, true);
             }
             return clip(singleAABB, from, to, offset);
         }
 
         if (CollisionUtil.strictlyContains((VoxelShape)(Object)this, fromBehindOffsetX, fromBehindOffsetY, fromBehindOffsetZ)) {
-            return new BlockHitResult(fromBehind, Direction.getNearest(directionOpposite.x, directionOpposite.y, directionOpposite.z).getOpposite(), offset, true);
+            return new BlockHitResult(fromBehind, Direction.getApproximateNearest(directionOpposite.x, directionOpposite.y, directionOpposite.z).getOpposite(), offset, true);
         }
 
         return AABB.clip(((VoxelShape)(Object)this).toAabbs(), from, to, offset);

src/main/java/ca/spottedleaf/moonrise/mixin/entity_tracker/TrackedEntityMixin.java

@@ -1,5 +1,6 @@
 package ca.spottedleaf.moonrise.mixin.entity_tracker;
 
+import ca.spottedleaf.moonrise.common.PlatformHooks;
 import ca.spottedleaf.moonrise.common.list.ReferenceList;
 import ca.spottedleaf.moonrise.common.misc.NearbyPlayers;
 import ca.spottedleaf.moonrise.common.util.TickThread;
@@ -144,8 +145,8 @@ abstract class TrackedEntityMixin implements EntityTrackerTrackedEntity {
      */
     @Overwrite
     public int getEffectiveRange() {
-        int range = this.range;
         final Entity entity = this.entity;
+        int range = PlatformHooks.get().modifyEntityTrackingRange(entity, this.range);
 
         if (entity.getPassengers() == ImmutableList.<Entity>of()) {
             return this.scaledRange(range);
@@ -154,8 +155,9 @@ abstract class TrackedEntityMixin implements EntityTrackerTrackedEntity {
         // note: we change to List
         final List<Entity> passengers = (List<Entity>)entity.getIndirectPassengers();
         for (int i = 0, len = passengers.size(); i < len; ++i) {
+            final Entity passenger = passengers.get(i);
             // note: max should be branchless
-            range = Math.max(range, passengers.get(i).getType().clientTrackingRange() << 4);
+            range = Math.max(range, PlatformHooks.get().modifyEntityTrackingRange(passenger, passenger.getType().clientTrackingRange() << 4));
         }
 
         return this.scaledRange(range);

src/main/java/ca/spottedleaf/moonrise/mixin/fast_palette/PalettedContainerMixin.java

@@ -24,7 +24,7 @@ abstract class PalettedContainerMixin<T> implements PaletteResize<T>, PalettedCo
     private void updateData(final PalettedContainer.Data<T> data) {
         if (data != null) {
             ((FastPaletteData<T>)(Object)data).moonrise$setPalette(
-                    ((FastPalette<T>)data.palette).moonrise$getRawPalette((FastPaletteData<T>)(Object)data)
+                    ((FastPalette<T>)data.palette()).moonrise$getRawPalette((FastPaletteData<T>)(Object)data)
             );
         }
     }
@@ -80,7 +80,7 @@ abstract class PalettedContainerMixin<T> implements PaletteResize<T>, PalettedCo
 
     @Unique
     private T readPaletteSlow(final PalettedContainer.Data<T> data, final int paletteIdx) {
-        return data.palette.valueFor(paletteIdx);
+        return data.palette().valueFor(paletteIdx);
     }
 
     @Unique
@@ -103,9 +103,9 @@ abstract class PalettedContainerMixin<T> implements PaletteResize<T>, PalettedCo
      */
     @Overwrite
     public T getAndSet(final int index, final T value) {
-        final int paletteIdx = this.data.palette.idFor(value);
+        final int paletteIdx = this.data.palette().idFor(value);
         final PalettedContainer.Data<T> data = this.data;
-        final int prev = data.storage.getAndSet(index, paletteIdx);
+        final int prev = data.storage().getAndSet(index, paletteIdx);
         return this.readPalette(data, prev);
     }
 
@@ -116,6 +116,6 @@ abstract class PalettedContainerMixin<T> implements PaletteResize<T>, PalettedCo
     @Overwrite
     public T get(final int index) {
         final PalettedContainer.Data<T> data = this.data;
-        return this.readPalette(data, data.storage.get(index));
+        return this.readPalette(data, data.storage().get(index));
     }
 }

src/main/java/ca/spottedleaf/moonrise/mixin/fluid/FlowingFluidMixin.java

@@ -114,16 +114,16 @@ abstract class FlowingFluidMixin extends Fluid {
     private static final int COLLISION_OCCLUSION_CACHE_SIZE = 2048;
 
     @Unique
-    private static final FluidOcclusionCacheKey[] COLLISION_OCCLUSION_CACHE = new FluidOcclusionCacheKey[COLLISION_OCCLUSION_CACHE_SIZE];
+    private static final ThreadLocal<FluidOcclusionCacheKey[]> COLLISION_OCCLUSION_CACHE = ThreadLocal.withInitial(() -> new FluidOcclusionCacheKey[COLLISION_OCCLUSION_CACHE_SIZE]);
 
     /**
      * @reason Try to avoid going to the cache for simple cases; additionally use better caching strategy
      * @author Spottedleaf
      */
     @Overwrite
-    private boolean canPassThroughWall(final Direction direction, final BlockGetter level,
-                                       final BlockPos fromPos, final BlockState fromState,
-                                       final BlockPos toPos, final BlockState toState) {
+    public static boolean canPassThroughWall(final Direction direction, final BlockGetter level,
+                                             final BlockPos fromPos, final BlockState fromState,
+                                             final BlockPos toPos, final BlockState toState) {
         if (((CollisionBlockState)fromState).moonrise$emptyCollisionShape() & ((CollisionBlockState)toState).moonrise$emptyCollisionShape()) {
             // don't even try to cache simple cases
             return true;
@@ -135,7 +135,7 @@ abstract class FlowingFluidMixin extends Fluid {
         }
 
         final FluidOcclusionCacheKey[] cache = ((CollisionBlockState)fromState).moonrise$hasCache() & ((CollisionBlockState)toState).moonrise$hasCache() ?
-                COLLISION_OCCLUSION_CACHE : null;
+                COLLISION_OCCLUSION_CACHE.get() : null;
 
         final int keyIndex
                 = (((CollisionBlockState)fromState).moonrise$uniqueId1() ^ ((CollisionBlockState)toState).moonrise$uniqueId2() ^ ((CollisionDirection)(Object)direction).moonrise$uniqueId())

src/main/java/ca/spottedleaf/moonrise/mixin/fluid/FluidStateMixin.java

@@ -42,7 +42,7 @@ abstract class FluidStateMixin extends StateHolder<Fluid, FluidState> implements
     private BlockState legacyBlock;
 
     @Override
-    public void moonrise$initCaches() {
+    public final void moonrise$initCaches() {
         this.amount = this.getType().getAmount((FluidState)(Object)this);
         this.isEmpty = this.getType().isEmpty();
         this.isSource = this.getType().isSource((FluidState)(Object)this);

src/main/java/ca/spottedleaf/moonrise/mixin/fluid/MappedRegistryMixin.java

@@ -29,9 +29,9 @@ abstract class MappedRegistryMixin<T> {
         final RegistrationInfo registrationInfo,
         final CallbackInfoReturnable<Holder.Reference<T>> cir
     ) {
-        if (resourceKey.registryKey() == (Object) Registries.FLUID) {
-            for (final FluidState possibleState : ((Fluid) object).getStateDefinition().getPossibleStates()) {
-                ((FluidFluidState) (Object) possibleState).moonrise$initCaches();
+        if (resourceKey.registryKey() == (Object)Registries.FLUID) {
+            for (final FluidState possibleState : ((Fluid)object).getStateDefinition().getPossibleStates()) {
+                ((FluidFluidState)(Object)possibleState).moonrise$initCaches();
             }
         }
     }

src/main/java/ca/spottedleaf/moonrise/mixin/getblock/LevelMixin.java

@@ -16,20 +16,20 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 @Mixin(value = Level.class, priority = 1100)
 abstract class LevelMixin implements LevelAccessor, AutoCloseable {
 
+    @Unique
+    private int minY;
+
     @Unique
     private int height;
 
     @Unique
-    private int minBuildHeight;
+    private int maxY;
 
     @Unique
-    private int maxBuildHeight;
+    private int minSectionY;
 
     @Unique
-    private int minSection;
-
-    @Unique
-    private int maxSection;
+    private int maxSectionY;
 
     @Unique
     private int sectionsCount;
@@ -47,12 +47,17 @@ abstract class LevelMixin implements LevelAccessor, AutoCloseable {
     private void init(final CallbackInfo ci,
                       @Local(ordinal = 0, argsOnly = true) final Holder<DimensionType> dimensionTypeHolder) {
         final DimensionType dimType = dimensionTypeHolder.value();
+        this.minY = dimType.minY();
         this.height = dimType.height();
-        this.minBuildHeight = dimType.minY();
-        this.maxBuildHeight = this.minBuildHeight + this.height;
-        this.minSection = this.minBuildHeight >> 4;
-        this.maxSection = ((this.maxBuildHeight - 1) >> 4) + 1;
-        this.sectionsCount = this.maxSection - this.minSection;
+        this.maxY = this.minY + this.height - 1;
+        this.minSectionY = this.minY >> 4;
+        this.maxSectionY = this.maxY >> 4;
+        this.sectionsCount = this.maxSectionY - this.minSectionY + 1;
+    }
+
+    @Override
+    public int getMinY() {
+        return this.minY;
     }
 
     @Override
@@ -61,52 +66,52 @@ abstract class LevelMixin implements LevelAccessor, AutoCloseable {
     }
 
     @Override
-    public int getMinBuildHeight() {
-        return this.minBuildHeight;
-    }
-
-    @Override
-    public int getMaxBuildHeight() {
-        return this.maxBuildHeight;
-    }
-
-    @Override
-    public int getMinSection() {
-        return this.minSection;
-    }
-
-    @Override
-    public int getMaxSection() {
-        return this.maxSection;
-    }
-
-    @Override
-    public boolean isOutsideBuildHeight(final int y) {
-        return y < this.minBuildHeight || y >= this.maxBuildHeight;
-    }
-
-    @Override
-    public boolean isOutsideBuildHeight(final BlockPos blockPos) {
-        return this.isOutsideBuildHeight(blockPos.getY());
-    }
-
-    @Override
-    public int getSectionIndex(final int blockY) {
-        return (blockY >> 4) - this.minSection;
-    }
-
-    @Override
-    public int getSectionIndexFromSectionY(final int sectionY) {
-        return sectionY - this.minSection;
-    }
-
-    @Override
-    public int getSectionYFromSectionIndex(final int sectionIdx) {
-        return sectionIdx + this.minSection;
+    public int getMaxY() {
+        return this.maxY;
     }
 
     @Override
     public int getSectionsCount() {
         return this.sectionsCount;
     }
+
+    @Override
+    public int getMinSectionY() {
+        return this.minSectionY;
+    }
+
+    @Override
+    public int getMaxSectionY() {
+        return this.maxSectionY;
+    }
+
+    @Override
+    public boolean isInsideBuildHeight(final int blockY) {
+        return blockY >= this.minY && blockY <= this.maxY;
+    }
+
+    @Override
+    public boolean isOutsideBuildHeight(final BlockPos pos) {
+        return this.isOutsideBuildHeight(pos.getY());
+    }
+
+    @Override
+    public boolean isOutsideBuildHeight(final int blockY) {
+        return blockY < this.minY || blockY > this.maxY;
+    }
+
+    @Override
+    public int getSectionIndex(final int blockY) {
+        return (blockY >> 4) - this.minSectionY;
+    }
+
+    @Override
+    public int getSectionIndexFromSectionY(final int sectionY) {
+        return sectionY - this.minSectionY;
+    }
+
+    @Override
+    public int getSectionYFromSectionIndex(final int sectionIdx) {
+        return sectionIdx + this.minSectionY;
+    }
 }

src/main/java/ca/spottedleaf/moonrise/mixin/loading_screen/LevelLoadStatusManagerMixin.java

@@ -1,6 +1,5 @@
 package ca.spottedleaf.moonrise.mixin.loading_screen;
 
-import ca.spottedleaf.moonrise.common.util.ConfigHolder;
 import net.minecraft.client.multiplayer.LevelLoadStatusManager;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
@@ -26,9 +25,6 @@ abstract class LevelLoadStatusManagerMixin {
             )
     )
     private void immediatelyClose(final CallbackInfo ci) {
-        if (!ConfigHolder.getConfig().misc.immediatelyCloseLoadingScreen) {
-            return;
-        }
         if (this.status == LevelLoadStatusManager.Status.WAITING_FOR_SERVER) {
             this.status = LevelLoadStatusManager.Status.LEVEL_READY;
             ci.cancel();

src/main/java/ca/spottedleaf/moonrise/mixin/poi_lookup/PoiManagerMixin.java

@@ -20,16 +20,17 @@ import org.spongepowered.asm.mixin.Overwrite;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
+import java.util.function.BiFunction;
 import java.util.function.BiPredicate;
 import java.util.function.Function;
 import java.util.function.Predicate;
 import java.util.stream.Stream;
 
 @Mixin(PoiManager.class)
-abstract class PoiManagerMixin extends SectionStorage<PoiSection> {
+abstract class PoiManagerMixin extends SectionStorage<PoiSection, PoiSection.Packed> {
 
-    public PoiManagerMixin(SimpleRegionStorage simpleRegionStorage, Function<Runnable, Codec<PoiSection>> function, Function<Runnable, PoiSection> function2, RegistryAccess registryAccess, ChunkIOErrorReporter chunkIOErrorReporter, LevelHeightAccessor levelHeightAccessor) {
-        super(simpleRegionStorage, function, function2, registryAccess, chunkIOErrorReporter, levelHeightAccessor);
+    public PoiManagerMixin(final SimpleRegionStorage simpleRegionStorage, final Codec<PoiSection.Packed> codec, final Function<PoiSection, PoiSection.Packed> function, final BiFunction<PoiSection.Packed, Runnable, PoiSection> biFunction, final Function<Runnable, PoiSection> function2, final RegistryAccess registryAccess, final ChunkIOErrorReporter chunkIOErrorReporter, final LevelHeightAccessor levelHeightAccessor) {
+        super(simpleRegionStorage, codec, function, biFunction, function2, registryAccess, chunkIOErrorReporter, levelHeightAccessor);
     }
 
     /**

src/main/java/ca/spottedleaf/moonrise/mixin/profiler/MinecraftMixin.java

@@ -49,7 +49,7 @@ abstract class MinecraftMixin extends ReentrantBlockableEventLoop<Runnable> impl
             return;
         }
 
-        cir.setReturnValue(ret == null || ret == InactiveProfiler.INSTANCE ? this.leafProfiler : ProfilerFiller.tee(this.leafProfiler, ret));
+        cir.setReturnValue(ret == null || ret == InactiveProfiler.INSTANCE ? this.leafProfiler : ProfilerFiller.combine(this.leafProfiler, ret));
     }
 
     /**

src/main/java/ca/spottedleaf/moonrise/mixin/random_ticking/BiomeMixin.java

@@ -10,14 +10,14 @@ import org.spongepowered.asm.mixin.Shadow;
 abstract class BiomeMixin {
 
     @Shadow
-    protected abstract float getHeightAdjustedTemperature(BlockPos blockPos);
+    protected abstract float getHeightAdjustedTemperature(BlockPos blockPos, int seaLevel);
 
     /**
      * @reason Cache appears ineffective
      * @author Spottedleaf
      */
     @Overwrite
-    public float getTemperature(final BlockPos pos) {
-        return this.getHeightAdjustedTemperature(pos);
+    public float getTemperature(final BlockPos pos, final int seaLevel) {
+        return this.getHeightAdjustedTemperature(pos, seaLevel);
     }
 }

src/main/java/ca/spottedleaf/moonrise/mixin/random_ticking/ServerLevelMixin.java

@@ -12,7 +12,6 @@ import net.minecraft.core.RegistryAccess;
 import net.minecraft.resources.ResourceKey;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.util.RandomSource;
-import net.minecraft.util.profiling.ProfilerFiller;
 import net.minecraft.world.level.ChunkPos;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.WorldGenLevel;
@@ -27,13 +26,12 @@ import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Unique;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Redirect;
-import java.util.function.Supplier;
 
 @Mixin(ServerLevel.class)
 abstract class ServerLevelMixin extends Level implements WorldGenLevel {
 
-    protected ServerLevelMixin(WritableLevelData writableLevelData, ResourceKey<Level> resourceKey, RegistryAccess registryAccess, Holder<DimensionType> holder, Supplier<ProfilerFiller> supplier, boolean bl, boolean bl2, long l, int i) {
-        super(writableLevelData, resourceKey, registryAccess, holder, supplier, bl, bl2, l, i);
+    protected ServerLevelMixin(final WritableLevelData writableLevelData, final ResourceKey<Level> resourceKey, final RegistryAccess registryAccess, final Holder<DimensionType> holder, final boolean bl, final boolean bl2, final long l, final int i) {
+        super(writableLevelData, resourceKey, registryAccess, holder, bl, bl2, l, i);
     }
 
     @Unique

src/main/java/ca/spottedleaf/moonrise/mixin/serverlist/ServerSelectionListMixin.java

@@ -10,7 +10,7 @@ abstract class ServerSelectionListMixin {
 
     /**
      * @reason Massively increase the threadpool count so that slow servers do not stall the pinging of other servers
-     * on the status list
+     *         on the status list
      * @author Spottedleaf
      */
     @ModifyConstant(

src/main/java/ca/spottedleaf/moonrise/mixin/starlight/blockstate/BlockStateBaseMixin.java

@@ -19,6 +19,10 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 @Mixin(BlockBehaviour.BlockStateBase.class)
 abstract class BlockStateBaseMixin extends StateHolder<Block, BlockState> implements StarlightAbstractBlockState {
 
+    protected BlockStateBaseMixin(Block object, Reference2ObjectArrayMap<Property<?>, Comparable<?>> reference2ObjectArrayMap, MapCodec<BlockState> mapCodec) {
+        super(object, reference2ObjectArrayMap, mapCodec);
+    }
+
     @Shadow
     @Final
     private boolean useShapeForLightOcclusion;
@@ -27,29 +31,26 @@ abstract class BlockStateBaseMixin extends StateHolder<Block, BlockState> implem
     @Final
     private boolean canOcclude;
 
-    @Shadow
-    protected BlockBehaviour.BlockStateBase.Cache cache;
 
     @Unique
     private boolean isConditionallyFullOpaque;
 
-    protected BlockStateBaseMixin(Block object, Reference2ObjectArrayMap<Property<?>, Comparable<?>> reference2ObjectArrayMap, MapCodec<BlockState> mapCodec) {
-        super(object, reference2ObjectArrayMap, mapCodec);
-    }
-
-    /**
-     * Initialises our light state for this block.
-     */
-    @Inject(
-            method = "initCache",
-            at = @At("RETURN")
-    )
-    public void initLightAccessState(final CallbackInfo ci) {
-        this.isConditionallyFullOpaque = this.canOcclude & this.useShapeForLightOcclusion;
-    }
-
     @Override
     public final boolean starlight$isConditionallyFullOpaque() {
         return this.isConditionallyFullOpaque;
     }
+
+    /**
+     * @reason Initialises our light state for this block.
+     * @author Spottedleaf
+     */
+    @Inject(
+            method = "initCache",
+            at = @At(
+                value = "RETURN"
+            )
+    )
+    public void initLightAccessState(final CallbackInfo ci) {
+        this.isConditionallyFullOpaque = this.canOcclude & this.useShapeForLightOcclusion;
+    }
 }

src/main/java/ca/spottedleaf/moonrise/mixin/starlight/chunk/ImposterProtoChunkMixin.java

@@ -2,11 +2,16 @@ package ca.spottedleaf.moonrise.mixin.starlight.chunk;
 
 import ca.spottedleaf.moonrise.patches.starlight.chunk.StarlightChunk;
 import ca.spottedleaf.moonrise.patches.starlight.light.SWMRNibbleArray;
-import net.minecraft.core.registries.Registries;
+import net.minecraft.core.Registry;
+import net.minecraft.world.level.ChunkPos;
+import net.minecraft.world.level.LevelHeightAccessor;
+import net.minecraft.world.level.biome.Biome;
 import net.minecraft.world.level.chunk.ImposterProtoChunk;
 import net.minecraft.world.level.chunk.LevelChunk;
 import net.minecraft.world.level.chunk.ProtoChunk;
 import net.minecraft.world.level.chunk.UpgradeData;
+import net.minecraft.world.level.levelgen.blending.BlendingData;
+import org.jetbrains.annotations.Nullable;
 import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
@@ -18,8 +23,8 @@ abstract class ImposterProtoChunkMixin extends ProtoChunk implements StarlightCh
     @Shadow
     private LevelChunk wrapped;
 
-    public ImposterProtoChunkMixin(final LevelChunk levelChunk, final boolean bl) {
-        super(levelChunk.getPos(), UpgradeData.EMPTY, levelChunk, levelChunk.getLevel().registryAccess().registryOrThrow(Registries.BIOME), levelChunk.getBlendingData());
+    public ImposterProtoChunkMixin(final ChunkPos chunkPos, final UpgradeData upgradeData, final LevelHeightAccessor levelHeightAccessor, final Registry<Biome> registry, @Nullable final BlendingData blendingData) {
+        super(chunkPos, upgradeData, levelHeightAccessor, registry, blendingData);
     }
 
     @Override

src/main/java/ca/spottedleaf/moonrise/mixin/starlight/lightengine/LevelLightEngineMixin.java

@@ -54,7 +54,24 @@ abstract class LevelLightEngineMixin implements LightEventListener, StarLightLig
      * TODO since this is a constructor inject, check on update for new constructors
      */
     @Inject(
-            method = "<init>", at = @At("TAIL")
+        method = "<init>()V",
+        at = @At(
+            value = "TAIL"
+        )
+    )
+    public void constructEmpty(final CallbackInfo ci) {
+        this.lightEngine = new StarLightInterface(null, false, false, (LevelLightEngine)(Object)this);
+    }
+
+    /**
+     *
+     * TODO since this is a constructor inject, check on update for new constructors
+     */
+    @Inject(
+            method = "<init>(Lnet/minecraft/world/level/chunk/LightChunkGetter;ZZ)V",
+            at = @At(
+                value = "TAIL"
+            )
     )
     public void construct(final LightChunkGetter chunkProvider, final boolean hasBlockLight, final boolean hasSkyLight,
                           final CallbackInfo ci) {
@@ -179,8 +196,10 @@ abstract class LevelLightEngineMixin implements LightEventListener, StarLightLig
      * @author Spottedleaf
      */
     @Overwrite
-    public boolean lightOnInSection(final SectionPos pos) {
-        final long key = CoordinateUtils.getChunkKey(pos.getX(), pos.getZ());
+    public boolean lightOnInColumn(final long pos) {
+        final long key = CoordinateUtils.getChunkKey(
+            CoordinateUtils.getChunkSectionX(pos), CoordinateUtils.getChunkSectionZ(pos)
+        );
         return (!this.lightEngine.hasBlockLight() || this.blockLightMap.get(key) != null) && (!this.lightEngine.hasSkyLight() || this.skyLightMap.get(key) != null);
     }