Merge pull request #406 from PolyhedralDev/ver/6.3.1

Ver/6.3.1

build.gradle.kts

@@ -1,8 +1,8 @@
 preRelease(true)
 
-versionProjects(":common:api", version("6.3.0"))
-versionProjects(":common:implementation", version("6.3.0"))
-versionProjects(":platforms", version("6.3.0"))
+versionProjects(":common:api", version("6.3.1"))
+versionProjects(":common:implementation", version("6.3.1"))
+versionProjects(":platforms", version("6.3.1"))
 
 
 allprojects {

buildSrc/src/main/kotlin/Versions.kt

@@ -19,7 +19,7 @@ object Versions {
     
     object Fabric {
         const val fabricLoader = "0.14.8"
-        const val fabricAPI = "0.78.0+1.19.4"
+        const val fabricAPI = "0.83.1+1.20.1"
     }
     
     object Quilt {
@@ -30,9 +30,9 @@ object Versions {
     object Mod {
         const val mixin = "0.11.2+mixin.0.8.5"
         
-        const val minecraft = "1.19.4"
+        const val minecraft = "1.20.1"
         const val yarn = "$minecraft+build.2"
-        const val fabricLoader = "0.14.2"
+        const val fabricLoader = "0.14.21"
         
         const val architecuryLoom = "0.12.0.290"
         const val architecturyPlugin = "3.4-SNAPSHOT"
@@ -41,16 +41,16 @@ object Versions {
     }
     
     object Forge {
-        const val forge = "${Mod.minecraft}-45.0.43"
+        const val forge = "${Mod.minecraft}-47.0.3"
         const val burningwave = "12.53.0"
     }
     
     object Bukkit {
         const val paper = "1.18.2-R0.1-SNAPSHOT"
         const val paperLib = "1.0.5"
-        const val minecraft = "1.19.4"
+        const val minecraft = "1.20.1"
         const val reflectionRemapper = "0.1.0-SNAPSHOT"
-        const val paperDevBundle = "1.19.4-R0.1-SNAPSHOT"
+        const val paperDevBundle = "1.20.1-R0.1-SNAPSHOT"
     }
     
     object Sponge {

platforms/bukkit/build.gradle.kts

@@ -12,12 +12,12 @@ dependencies {
     shaded(project(":platforms:bukkit:nms:v1_19_R1", configuration = "reobf"))
     shaded(project(":platforms:bukkit:nms:v1_19_R2", configuration = "reobf"))
     shaded(project(":platforms:bukkit:nms:v1_19_R3", configuration = "reobf"))
+    shaded(project(":platforms:bukkit:nms:v1_20_R1", configuration = "reobf"))
     shaded("xyz.jpenilla", "reflection-remapper", Versions.Bukkit.reflectionRemapper)
 }
 
 tasks {
     shadowJar {
-        relocate("org.bstats.bukkit", "com.dfsek.terra.lib.bstats")
         relocate("io.papermc.lib", "com.dfsek.terra.lib.paperlib")
         relocate("com.google.common", "com.dfsek.terra.lib.google.common")
         relocate("org.apache.logging.slf4j", "com.dfsek.terra.lib.slf4j-over-log4j")

platforms/bukkit/nms/v1_19_R3/build.gradle.kts

@@ -6,7 +6,7 @@ repositories {
 
 dependencies {
     api(project(":platforms:bukkit:common"))
-    paperDevBundle(Versions.Bukkit.paperDevBundle)
+    paperDevBundle("1.19.4-R0.1-SNAPSHOT")
     implementation("xyz.jpenilla", "reflection-remapper", "0.1.0-SNAPSHOT")
 }
 

platforms/bukkit/nms/v1_19_R3/src/main/java/com/dfsek/terra/bukkit/nms/v1_19_R3/NMSChunkGeneratorDelegate.java

@@ -10,6 +10,7 @@ import net.minecraft.world.level.StructureManager;
 import net.minecraft.world.level.WorldGenLevel;
 import net.minecraft.world.level.biome.BiomeManager;
 import net.minecraft.world.level.block.Blocks;
+import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.level.chunk.ChunkAccess;
 import net.minecraft.world.level.chunk.ChunkGenerator;
 import net.minecraft.world.level.levelgen.Beardifier;
@@ -152,18 +153,14 @@ public class NMSChunkGeneratorDelegate extends ChunkGenerator {
     
     @Override
     public @NotNull NoiseColumn getBaseColumn(int x, int z, @NotNull LevelHeightAccessor world, @NotNull RandomState noiseConfig) {
-        /*
         BlockState[] array = new BlockState[world.getHeight()];
         WorldProperties properties = new NMSWorldProperties(seed, world);
-        BiomeProvider biomeProvider = pack.getBiomeProvider().caching(properties);
+        BiomeProvider biomeProvider = pack.getBiomeProvider();
         for(int y = properties.getMaxHeight() - 1; y >= properties.getMinHeight(); y--) {
             array[y - properties.getMinHeight()] = ((CraftBlockData) delegate.getBlock(properties, x, y, z, biomeProvider)
                                                                              .getHandle()).getState();
         }
         return new NoiseColumn(getMinY(), array);
-
-         */
-        return vanilla.getBaseColumn(x, z, world, noiseConfig);
     }
 
     @Override

platforms/bukkit/nms/v1_20_R1/build.gradle.kts

@@ -0,0 +1,17 @@
+apply(plugin = "io.papermc.paperweight.userdev")
+
+repositories {
+    maven("https://s01.oss.sonatype.org/content/repositories/snapshots/")
+}
+
+dependencies {
+    api(project(":platforms:bukkit:common"))
+    paperDevBundle(Versions.Bukkit.paperDevBundle)
+    implementation("xyz.jpenilla", "reflection-remapper", "0.1.0-SNAPSHOT")
+}
+
+tasks {
+    assemble {
+        dependsOn("reobfJar")
+    }
+}

platforms/bukkit/nms/v1_20_R1/src/main/java/com/dfsek/terra/bukkit/nms/v1_20_R1/AwfulBukkitHacks.java

@@ -0,0 +1,101 @@
+package com.dfsek.terra.bukkit.nms.v1_20_R1;
+
+import com.google.common.collect.ImmutableMap;
+import com.mojang.serialization.Lifecycle;
+import net.minecraft.core.Holder;
+import net.minecraft.core.Holder.Reference;
+import net.minecraft.core.MappedRegistry;
+import net.minecraft.core.WritableRegistry;
+import net.minecraft.core.registries.Registries;
+import net.minecraft.resources.ResourceKey;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.tags.TagKey;
+import net.minecraft.world.level.biome.Biome;
+import org.bukkit.NamespacedKey;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+
+import com.dfsek.terra.bukkit.world.BukkitPlatformBiome;
+import com.dfsek.terra.registry.master.ConfigRegistry;
+
+
+public class AwfulBukkitHacks {
+    private static final Logger LOGGER = LoggerFactory.getLogger(AwfulBukkitHacks.class);
+    
+    private static final Map<ResourceLocation, List<ResourceLocation>> terraBiomeMap = new HashMap<>();
+    
+    public static void registerBiomes(ConfigRegistry configRegistry) {
+        try {
+            LOGGER.info("Hacking biome registry...");
+            WritableRegistry<Biome> biomeRegistry = (WritableRegistry<Biome>) RegistryFetcher.biomeRegistry();
+            
+            Reflection.MAPPED_REGISTRY.setFrozen((MappedRegistry<?>) biomeRegistry, false);
+            
+            configRegistry.forEach(pack -> pack.getRegistry(com.dfsek.terra.api.world.biome.Biome.class).forEach((key, biome) -> {
+                try {
+                    BukkitPlatformBiome platformBiome = (BukkitPlatformBiome) biome.getPlatformBiome();
+                    NamespacedKey vanillaBukkitKey = platformBiome.getHandle().getKey();
+                    ResourceLocation vanillaMinecraftKey = new ResourceLocation(vanillaBukkitKey.getNamespace(), vanillaBukkitKey.getKey());
+                    Biome platform = NMSBiomeInjector.createBiome(biome, Objects.requireNonNull(biomeRegistry.get(vanillaMinecraftKey)));
+                    
+                    ResourceKey<Biome> delegateKey = ResourceKey.create(
+                            Registries.BIOME,
+                            new ResourceLocation("terra", NMSBiomeInjector.createBiomeID(pack, key))
+                                                                       );
+                    
+                    Reference<Biome> holder = biomeRegistry.register(delegateKey, platform, Lifecycle.stable());
+                    Reflection.REFERENCE.invokeBindValue(holder, platform); // IMPORTANT: bind holder.
+                    
+                    platformBiome.getContext().put(new NMSBiomeInfo(delegateKey));
+                    
+                    terraBiomeMap.computeIfAbsent(vanillaMinecraftKey, i -> new ArrayList<>()).add(delegateKey.location());
+                    
+                    LOGGER.debug("Registered biome: " + delegateKey);
+                } catch(NoSuchFieldException | SecurityException | IllegalArgumentException | IllegalAccessException e) {
+                    throw new RuntimeException(e);
+                }
+            }));
+            
+            Reflection.MAPPED_REGISTRY.setFrozen((MappedRegistry<?>) biomeRegistry, true); // freeze registry again :)
+            
+            LOGGER.info("Doing tag garbage....");
+            Map<TagKey<Biome>, List<Holder<Biome>>> collect = biomeRegistry
+                    .getTags() // streamKeysAndEntries
+                    .collect(HashMap::new,
+                             (map, pair) ->
+                                     map.put(pair.getFirst(), new ArrayList<>(pair.getSecond().stream().toList())),
+                             HashMap::putAll);
+            
+            terraBiomeMap
+                    .forEach((vb, terraBiomes) ->
+                                     NMSBiomeInjector.getEntry(biomeRegistry, vb).ifPresentOrElse(
+                                             vanilla -> terraBiomes.forEach(
+                                                     tb -> NMSBiomeInjector.getEntry(biomeRegistry, tb).ifPresentOrElse(
+                                                             terra -> {
+                                                                 LOGGER.debug("{} (vanilla for {}): {}",
+                                                                              vanilla.unwrapKey().orElseThrow().location(),
+                                                                              terra.unwrapKey().orElseThrow().location(),
+                                                                              vanilla.tags().toList());
+                                                                 vanilla.tags()
+                                                                        .forEach(tag -> collect
+                                                                                .computeIfAbsent(tag, t -> new ArrayList<>())
+                                                                                .add(terra));
+                                                             },
+                                                             () -> LOGGER.error("No such biome: {}", tb))),
+                                             () -> LOGGER.error("No vanilla biome: {}", vb)));
+            
+            biomeRegistry.resetTags();
+            biomeRegistry.bindTags(ImmutableMap.copyOf(collect));
+            
+        } catch(SecurityException | IllegalArgumentException exception) {
+            throw new RuntimeException(exception);
+        }
+    }
+}
+

platforms/bukkit/nms/v1_20_R1/src/main/java/com/dfsek/terra/bukkit/nms/v1_20_R1/NMSBiomeInfo.java

@@ -0,0 +1,10 @@
+package com.dfsek.terra.bukkit.nms.v1_20_R1;
+
+import net.minecraft.resources.ResourceKey;
+import net.minecraft.world.level.biome.Biome;
+
+import com.dfsek.terra.api.properties.Properties;
+
+
+public record NMSBiomeInfo(ResourceKey<Biome> biomeKey) implements Properties {
+}

platforms/bukkit/nms/v1_20_R1/src/main/java/com/dfsek/terra/bukkit/nms/v1_20_R1/NMSBiomeInjector.java

@@ -0,0 +1,83 @@
+package com.dfsek.terra.bukkit.nms.v1_20_R1;
+
+import net.minecraft.core.Holder;
+import java.util.stream.Stream;
+import net.minecraft.core.Registry;
+import net.minecraft.resources.ResourceKey;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.level.biome.Biome;
+import net.minecraft.world.level.biome.BiomeSpecialEffects;
+
+import java.util.Locale;
+import java.util.Objects;
+import java.util.Optional;
+import java.util.function.Function;
+
+import com.dfsek.terra.api.config.ConfigPack;
+import com.dfsek.terra.bukkit.config.VanillaBiomeProperties;
+
+import static net.minecraft.world.level.biome.Biome.ClimateSettings;
+import static net.minecraft.world.level.biome.Biome.Precipitation;
+
+public class NMSBiomeInjector {
+
+    public static <T> Optional<Holder<T>> getEntry(Registry<T> registry, ResourceLocation identifier) {
+        return registry.getOptional(identifier)
+                       .flatMap(registry::getResourceKey)
+                       .flatMap(registry::getHolder);
+    }
+
+    public static Biome createBiome(com.dfsek.terra.api.world.biome.Biome biome, Biome vanilla)
+    throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
+        Biome.BiomeBuilder builder = new Biome.BiomeBuilder();
+
+        builder
+                .downfall(vanilla.climateSettings.downfall())
+                .temperature(vanilla.getBaseTemperature())
+                .mobSpawnSettings(vanilla.getMobSettings())
+                .generationSettings(vanilla.getGenerationSettings());
+
+
+        BiomeSpecialEffects.Builder effects = new BiomeSpecialEffects.Builder();
+
+        effects.grassColorModifier(vanilla.getSpecialEffects().getGrassColorModifier());
+
+        VanillaBiomeProperties vanillaBiomeProperties = biome.getContext().get(VanillaBiomeProperties.class);
+
+        effects.fogColor(Objects.requireNonNullElse(vanillaBiomeProperties.getFogColor(), vanilla.getFogColor()))
+
+               .waterColor(Objects.requireNonNullElse(vanillaBiomeProperties.getWaterColor(), vanilla.getWaterColor()))
+
+               .waterFogColor(Objects.requireNonNullElse(vanillaBiomeProperties.getWaterFogColor(), vanilla.getWaterFogColor()))
+
+               .skyColor(Objects.requireNonNullElse(vanillaBiomeProperties.getSkyColor(), vanilla.getSkyColor()));
+
+        if(vanillaBiomeProperties.getFoliageColor() == null) {
+            vanilla.getSpecialEffects().getFoliageColorOverride().ifPresent(effects::foliageColorOverride);
+        } else {
+            effects.foliageColorOverride(vanillaBiomeProperties.getFoliageColor());
+        }
+
+        if(vanillaBiomeProperties.getGrassColor() == null) {
+            vanilla.getSpecialEffects().getGrassColorOverride().ifPresent(effects::grassColorOverride);
+        } else {
+            // grass
+            effects.grassColorOverride(vanillaBiomeProperties.getGrassColor());
+        }
+
+        vanilla.getAmbientLoop().ifPresent(effects::ambientLoopSound);
+        vanilla.getAmbientAdditions().ifPresent(effects::ambientAdditionsSound);
+        vanilla.getAmbientMood().ifPresent(effects::ambientMoodSound);
+        vanilla.getBackgroundMusic().ifPresent(effects::backgroundMusic);
+        vanilla.getAmbientParticle().ifPresent(effects::ambientParticle);
+
+        builder.specialEffects(effects.build());
+
+        return builder.build();
+    }
+
+    public static String createBiomeID(ConfigPack pack, com.dfsek.terra.api.registry.key.RegistryKey biomeID) {
+        return pack.getID()
+                   .toLowerCase() + "/" + biomeID.getNamespace().toLowerCase(Locale.ROOT) + "/" + biomeID.getID().toLowerCase(Locale.ROOT);
+    }
+}

platforms/bukkit/nms/v1_20_R1/src/main/java/com/dfsek/terra/bukkit/nms/v1_20_R1/NMSBiomeProvider.java

@@ -0,0 +1,47 @@
+package com.dfsek.terra.bukkit.nms.v1_20_R1;
+
+import com.mojang.serialization.Codec;
+import net.minecraft.core.Holder;
+import java.util.stream.Stream;
+import net.minecraft.core.Registry;
+import net.minecraft.world.level.biome.Biome;
+import net.minecraft.world.level.biome.BiomeSource;
+import net.minecraft.world.level.biome.Climate.Sampler;
+import org.jetbrains.annotations.NotNull;
+
+import com.dfsek.terra.api.world.biome.generation.BiomeProvider;
+import com.dfsek.terra.bukkit.world.BukkitPlatformBiome;
+
+
+public class NMSBiomeProvider extends BiomeSource {
+    private final BiomeProvider delegate;
+    private final long seed;
+    private final Registry<Biome> biomeRegistry = RegistryFetcher.biomeRegistry();
+
+    public NMSBiomeProvider(BiomeProvider delegate, long seed) {
+        super();
+        this.delegate = delegate;
+        this.seed = seed;
+    }
+    @Override
+    protected Stream<Holder<Biome>> collectPossibleBiomes() {
+      return delegate.stream()
+                    .map(biome -> RegistryFetcher.biomeRegistry()
+                                                 .getHolderOrThrow(((BukkitPlatformBiome) biome.getPlatformBiome()).getContext()
+                                                                                                              .get(NMSBiomeInfo.class)
+                                                                                                              .biomeKey()));
+    }
+
+    @Override
+    protected @NotNull Codec<? extends BiomeSource> codec() {
+        return BiomeSource.CODEC;
+    }
+
+    @Override
+    public @NotNull Holder<Biome> getNoiseBiome(int x, int y, int z, @NotNull Sampler sampler) {
+        return biomeRegistry.getHolderOrThrow(((BukkitPlatformBiome) delegate.getBiome(x << 2, y << 2, z << 2, seed)
+                                                                             .getPlatformBiome()).getContext()
+                                                                                                 .get(NMSBiomeInfo.class)
+                                                                                                 .biomeKey());
+    }
+}

platforms/bukkit/nms/v1_20_R1/src/main/java/com/dfsek/terra/bukkit/nms/v1_20_R1/NMSChunkGeneratorDelegate.java

@@ -0,0 +1,170 @@
+package com.dfsek.terra.bukkit.nms.v1_20_R1;
+
+import com.mojang.serialization.Codec;
+import net.minecraft.core.BlockPos;
+import net.minecraft.server.level.WorldGenRegion;
+import net.minecraft.world.level.LevelAccessor;
+import net.minecraft.world.level.LevelHeightAccessor;
+import net.minecraft.world.level.NoiseColumn;
+import net.minecraft.world.level.StructureManager;
+import net.minecraft.world.level.WorldGenLevel;
+import net.minecraft.world.level.biome.BiomeManager;
+import net.minecraft.world.level.block.Blocks;
+import net.minecraft.world.level.block.state.BlockState;
+import net.minecraft.world.level.chunk.ChunkAccess;
+import net.minecraft.world.level.chunk.ChunkGenerator;
+import net.minecraft.world.level.levelgen.Beardifier;
+import net.minecraft.world.level.levelgen.DensityFunction.SinglePointContext;
+import net.minecraft.world.level.levelgen.GenerationStep.Carving;
+import net.minecraft.world.level.levelgen.Heightmap.Types;
+import net.minecraft.world.level.levelgen.RandomState;
+import net.minecraft.world.level.levelgen.blending.Blender;
+import org.bukkit.craftbukkit.v1_20_R1.block.data.CraftBlockData;
+import org.jetbrains.annotations.NotNull;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.Executor;
+
+import com.dfsek.terra.api.config.ConfigPack;
+import com.dfsek.terra.api.world.biome.generation.BiomeProvider;
+import com.dfsek.terra.api.world.info.WorldProperties;
+import com.dfsek.terra.bukkit.config.PreLoadCompatibilityOptions;
+import com.dfsek.terra.bukkit.world.BukkitWorldProperties;
+import com.dfsek.terra.bukkit.world.block.data.BukkitBlockState;
+
+
+public class NMSChunkGeneratorDelegate extends ChunkGenerator {
+    private static final Logger LOGGER = LoggerFactory.getLogger(NMSChunkGeneratorDelegate.class);
+    private final com.dfsek.terra.api.world.chunk.generation.ChunkGenerator delegate;
+    
+    private final ChunkGenerator vanilla;
+    private final ConfigPack pack;
+    
+    private final long seed;
+    
+    public NMSChunkGeneratorDelegate(ChunkGenerator vanilla, ConfigPack pack, NMSBiomeProvider biomeProvider, long seed) {
+        super(biomeProvider);
+        this.delegate = pack.getGeneratorProvider().newInstance(pack);
+        this.vanilla = vanilla;
+        this.pack = pack;
+        this.seed = seed;
+    }
+    
+    @Override
+    protected @NotNull Codec<? extends ChunkGenerator> codec() {
+        return ChunkGenerator.CODEC;
+    }
+    
+    @Override
+    public void applyCarvers(@NotNull WorldGenRegion chunkRegion, long seed, @NotNull RandomState noiseConfig, @NotNull BiomeManager world,
+                             @NotNull StructureManager structureAccessor, @NotNull ChunkAccess chunk, @NotNull Carving carverStep) {
+        // no-op
+    }
+    
+    @Override
+    public void buildSurface(@NotNull WorldGenRegion region, @NotNull StructureManager structures, @NotNull RandomState noiseConfig,
+                             @NotNull ChunkAccess chunk) {
+        // no-op
+    }
+    
+    @Override
+    public void applyBiomeDecoration(@NotNull WorldGenLevel world, @NotNull ChunkAccess chunk,
+                                     @NotNull StructureManager structureAccessor) {
+        vanilla.applyBiomeDecoration(world, chunk, structureAccessor);
+    }
+    
+    @Override
+    public void spawnOriginalMobs(@NotNull WorldGenRegion region) {
+        vanilla.spawnOriginalMobs(region);
+    }
+    
+    @Override
+    public int getGenDepth() {
+        return vanilla.getGenDepth();
+    }
+    
+    @Override
+    public @NotNull CompletableFuture<ChunkAccess> fillFromNoise(@NotNull Executor executor, @NotNull Blender blender,
+                                                                 @NotNull RandomState noiseConfig,
+                                                                 @NotNull StructureManager structureAccessor, @NotNull ChunkAccess chunk) {
+        return vanilla.fillFromNoise(executor, blender, noiseConfig, structureAccessor, chunk)
+                .thenApply(c -> {
+                    LevelAccessor level = Reflection.STRUCTURE_MANAGER.getLevel(structureAccessor);
+                    BiomeProvider biomeProvider = pack.getBiomeProvider();
+                    PreLoadCompatibilityOptions compatibilityOptions = pack.getContext().get(PreLoadCompatibilityOptions.class);
+                    if(compatibilityOptions.isBeard()) {
+                        beard(structureAccessor, chunk, new BukkitWorldProperties(level.getMinecraftWorld().getWorld()), biomeProvider, compatibilityOptions);
+                    }
+                    return c;
+                });
+    }
+    
+    private void beard(StructureManager structureAccessor, ChunkAccess chunk, WorldProperties world, BiomeProvider biomeProvider,
+                       PreLoadCompatibilityOptions compatibilityOptions) {
+        Beardifier structureWeightSampler = Beardifier.forStructuresInChunk(structureAccessor, chunk.getPos());
+        double threshold = compatibilityOptions.getBeardThreshold();
+        double airThreshold = compatibilityOptions.getAirThreshold();
+        int xi = chunk.getPos().x << 4;
+        int zi = chunk.getPos().z << 4;
+        for(int x = 0; x < 16; x++) {
+            for(int z = 0; z < 16; z++) {
+                int depth = 0;
+                for(int y = world.getMaxHeight(); y >= world.getMinHeight(); y--) {
+                    double noise = structureWeightSampler.compute(new SinglePointContext(x + xi, y, z + zi));
+                    if(noise > threshold) {
+                        chunk.setBlockState(new BlockPos(x, y, z), ((CraftBlockData) ((BukkitBlockState) delegate
+                                .getPalette(x + xi, y, z + zi, world, biomeProvider)
+                                .get(depth, x + xi, y, z + zi, world.getSeed())).getHandle()).getState(), false);
+                        depth++;
+                    } else if(noise < airThreshold) {
+                        chunk.setBlockState(new BlockPos(x, y, z), Blocks.AIR.defaultBlockState(), false);
+                    } else {
+                        depth = 0;
+                    }
+                }
+            }
+        }
+    }
+    
+    @Override
+    public int getSeaLevel() {
+        return vanilla.getSeaLevel();
+    }
+    
+    @Override
+    public int getMinY() {
+        return vanilla.getMinY();
+    }
+    
+    @Override
+    public int getBaseHeight(int x, int z, @NotNull Types heightmap, @NotNull LevelHeightAccessor world, @NotNull RandomState noiseConfig) {
+        WorldProperties properties = new NMSWorldProperties(seed, world);
+        int y = properties.getMaxHeight();
+        BiomeProvider biomeProvider = pack.getBiomeProvider();
+        while(y >= getMinY() && !heightmap.isOpaque().test(
+                ((CraftBlockData) delegate.getBlock(properties, x, y - 1, z, biomeProvider).getHandle()).getState())) {
+            y--;
+        }
+        return y;
+    }
+    
+    @Override
+    public @NotNull NoiseColumn getBaseColumn(int x, int z, @NotNull LevelHeightAccessor world, @NotNull RandomState noiseConfig) {
+        BlockState[] array = new BlockState[world.getHeight()];
+        WorldProperties properties = new NMSWorldProperties(seed, world);
+        BiomeProvider biomeProvider = pack.getBiomeProvider();
+        for(int y = properties.getMaxHeight() - 1; y >= properties.getMinHeight(); y--) {
+            array[y - properties.getMinHeight()] = ((CraftBlockData) delegate.getBlock(properties, x, y, z, biomeProvider)
+                                                                             .getHandle()).getState();
+        }
+        return new NoiseColumn(getMinY(), array);
+    }
+
+    @Override
+    public void addDebugScreenInfo(@NotNull List<String> text, @NotNull RandomState noiseConfig, @NotNull BlockPos pos) {
+
+    }
+}

platforms/bukkit/nms/v1_20_R1/src/main/java/com/dfsek/terra/bukkit/nms/v1_20_R1/NMSInitializer.java

@@ -0,0 +1,15 @@
+package com.dfsek.terra.bukkit.nms.v1_20_R1;
+
+import org.bukkit.Bukkit;
+
+import com.dfsek.terra.bukkit.PlatformImpl;
+import com.dfsek.terra.bukkit.nms.Initializer;
+
+
+public class NMSInitializer implements Initializer {
+    @Override
+    public void initialize(PlatformImpl platform) {
+        AwfulBukkitHacks.registerBiomes(platform.getRawConfigRegistry());
+        Bukkit.getPluginManager().registerEvents(new NMSInjectListener(), platform.getPlugin());
+    }
+}

platforms/bukkit/nms/v1_20_R1/src/main/java/com/dfsek/terra/bukkit/nms/v1_20_R1/NMSInjectListener.java

@@ -0,0 +1,48 @@
+package com.dfsek.terra.bukkit.nms.v1_20_R1;
+
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.level.chunk.ChunkGenerator;
+import org.bukkit.World;
+import org.bukkit.craftbukkit.v1_20_R1.CraftWorld;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.world.WorldInitEvent;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.HashSet;
+import java.util.Set;
+import java.util.concurrent.locks.ReentrantLock;
+
+import com.dfsek.terra.api.config.ConfigPack;
+import com.dfsek.terra.bukkit.generator.BukkitChunkGeneratorWrapper;
+
+
+public class NMSInjectListener implements Listener {
+    private static final Logger LOGGER = LoggerFactory.getLogger(NMSInjectListener.class);
+    private static final Set<World> INJECTED = new HashSet<>();
+    private static final ReentrantLock INJECT_LOCK = new ReentrantLock();
+    
+    @EventHandler
+    public void onWorldInit(WorldInitEvent event) {
+        if(!INJECTED.contains(event.getWorld()) &&
+           event.getWorld().getGenerator() instanceof BukkitChunkGeneratorWrapper bukkitChunkGeneratorWrapper) {
+            INJECT_LOCK.lock();
+            INJECTED.add(event.getWorld());
+            LOGGER.info("Preparing to take over the world: {}", event.getWorld().getName());
+            CraftWorld craftWorld = (CraftWorld) event.getWorld();
+            ServerLevel serverWorld = craftWorld.getHandle();
+            
+            ConfigPack pack = bukkitChunkGeneratorWrapper.getPack();
+            
+            ChunkGenerator vanilla = serverWorld.getChunkSource().getGenerator();
+            NMSBiomeProvider provider = new NMSBiomeProvider(pack.getBiomeProvider(), craftWorld.getSeed());
+    
+            serverWorld.getChunkSource().chunkMap.generator = new NMSChunkGeneratorDelegate(vanilla, pack, provider, craftWorld.getSeed());
+            
+            LOGGER.info("Successfully injected into world.");
+            
+            INJECT_LOCK.unlock();
+        }
+    }
+}

platforms/bukkit/nms/v1_20_R1/src/main/java/com/dfsek/terra/bukkit/nms/v1_20_R1/NMSWorldProperties.java

@@ -0,0 +1,36 @@
+package com.dfsek.terra.bukkit.nms.v1_20_R1;
+
+import net.minecraft.world.level.LevelHeightAccessor;
+
+import com.dfsek.terra.api.world.info.WorldProperties;
+
+
+public class NMSWorldProperties implements WorldProperties {
+    private final long seed;
+    private final LevelHeightAccessor height;
+    
+    public NMSWorldProperties(long seed, LevelHeightAccessor height) {
+        this.seed = seed;
+        this.height = height;
+    }
+    
+    @Override
+    public Object getHandle() {
+        return height;
+    }
+    
+    @Override
+    public long getSeed() {
+        return seed;
+    }
+    
+    @Override
+    public int getMaxHeight() {
+        return height.getMaxBuildHeight();
+    }
+    
+    @Override
+    public int getMinHeight() {
+        return height.getMinBuildHeight();
+    }
+}

platforms/bukkit/nms/v1_20_R1/src/main/java/com/dfsek/terra/bukkit/nms/v1_20_R1/Reflection.java

@@ -0,0 +1,50 @@
+package com.dfsek.terra.bukkit.nms.v1_20_R1;
+
+import net.minecraft.core.Holder;
+import net.minecraft.core.Holder.Reference;
+import net.minecraft.core.MappedRegistry;
+import net.minecraft.world.level.LevelAccessor;
+import net.minecraft.world.level.StructureManager;
+import xyz.jpenilla.reflectionremapper.ReflectionRemapper;
+import xyz.jpenilla.reflectionremapper.proxy.ReflectionProxyFactory;
+import xyz.jpenilla.reflectionremapper.proxy.annotation.FieldGetter;
+import xyz.jpenilla.reflectionremapper.proxy.annotation.FieldSetter;
+import xyz.jpenilla.reflectionremapper.proxy.annotation.MethodName;
+import xyz.jpenilla.reflectionremapper.proxy.annotation.Proxies;
+
+
+public class Reflection {
+    public static final MappedRegistryProxy MAPPED_REGISTRY;
+    public static final StructureManagerProxy STRUCTURE_MANAGER;
+    
+    public static final ReferenceProxy REFERENCE;
+    
+    static {
+        ReflectionRemapper reflectionRemapper = ReflectionRemapper.forReobfMappingsInPaperJar();
+        ReflectionProxyFactory reflectionProxyFactory = ReflectionProxyFactory.create(reflectionRemapper,
+                                                                                      Reflection.class.getClassLoader());
+        
+        MAPPED_REGISTRY = reflectionProxyFactory.reflectionProxy(MappedRegistryProxy.class);
+        STRUCTURE_MANAGER = reflectionProxyFactory.reflectionProxy(StructureManagerProxy.class);
+        REFERENCE = reflectionProxyFactory.reflectionProxy(ReferenceProxy.class);
+    }
+    
+    
+    @Proxies(MappedRegistry.class)
+    public interface MappedRegistryProxy {
+        @FieldSetter("frozen")
+        void setFrozen(MappedRegistry<?> instance, boolean frozen);
+    }
+    
+    @Proxies(StructureManager.class)
+    public interface StructureManagerProxy {
+        @FieldGetter("level")
+        LevelAccessor getLevel(StructureManager instance);
+    }
+    
+    @Proxies(Holder.Reference.class)
+    public interface ReferenceProxy {
+        @MethodName("bindValue")
+        <T> void invokeBindValue(Reference<T> instance, T value);
+    }
+}

platforms/bukkit/nms/v1_20_R1/src/main/java/com/dfsek/terra/bukkit/nms/v1_20_R1/RegistryFetcher.java

@@ -0,0 +1,24 @@
+package com.dfsek.terra.bukkit.nms.v1_20_R1;
+
+import net.minecraft.core.Registry;
+import net.minecraft.core.registries.Registries;
+import net.minecraft.resources.ResourceKey;
+import net.minecraft.server.dedicated.DedicatedServer;
+import net.minecraft.world.level.biome.Biome;
+import org.bukkit.Bukkit;
+import org.bukkit.craftbukkit.v1_20_R1.CraftServer;
+
+
+public class RegistryFetcher {
+    private static <T> Registry<T> getRegistry(ResourceKey<Registry<T>> key) {
+        CraftServer craftserver = (CraftServer) Bukkit.getServer();
+        DedicatedServer dedicatedserver = craftserver.getServer();
+        return dedicatedserver
+                .registryAccess()
+                .registryOrThrow(key);
+    }
+    
+    public static Registry<Biome> biomeRegistry() {
+        return getRegistry(Registries.BIOME);
+    }
+}

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

@@ -28,6 +28,6 @@
     "depends": {
         "fabricloader": ">=0.14.2",
         "java": ">=17",
-        "minecraft": "1.19.x"
+        "minecraft": "1.20.x"
     }
 }

platforms/mixin-common/src/main/java/com/dfsek/terra/mod/mixin/implementations/terra/block/entity/SignBlockEntityMixin.java

@@ -18,6 +18,7 @@
 package com.dfsek.terra.mod.mixin.implementations.terra.block.entity;
 
 import net.minecraft.block.entity.SignBlockEntity;
+import net.minecraft.block.entity.SignText;
 import net.minecraft.text.Text;
 import org.jetbrains.annotations.NotNull;
 import org.spongepowered.asm.mixin.Final;
@@ -34,17 +35,17 @@ import com.dfsek.terra.api.block.entity.Sign;
 @Implements(@Interface(iface = Sign.class, prefix = "terra$"))
 public abstract class SignBlockEntityMixin {
     @Shadow
-    @Final
-    private Text[] texts;
+    private SignText frontText;
     
     @Shadow
-    public abstract void setTextOnRow(int row, Text text);
+    public abstract boolean setText(SignText text, boolean front);
     
     public void terra$setLine(int index, @NotNull String line) throws IndexOutOfBoundsException {
-        setTextOnRow(index, Text.literal(line));
+        setText(frontText.withMessage(index, Text.literal(line)), true);
     }
     
     public @NotNull String[] terra$getLines() {
+        Text[] texts = frontText.getMessages(false);
         String[] lines = new String[texts.length];
         for(int i = 0; i < texts.length; i++) {
             lines[i] = texts[i].getString();
@@ -53,7 +54,7 @@ public abstract class SignBlockEntityMixin {
     }
     
     public @NotNull String terra$getLine(int index) throws IndexOutOfBoundsException {
-        return texts[index].getString();
+        return frontText.getMessage(index, false).getString();
     }
     
     public void terra$applyState(String state) {

platforms/mixin-common/src/main/java/com/dfsek/terra/mod/mixin/implementations/terra/entity/ServerCommandSourceMixin.java

@@ -37,9 +37,6 @@ import com.dfsek.terra.api.entity.Player;
 @Mixin(ServerCommandSource.class)
 @Implements(@Interface(iface = CommandSender.class, prefix = "terra$"))
 public abstract class ServerCommandSourceMixin {
-    @Shadow
-    public abstract void sendFeedback(Text message, boolean broadcastToOps);
-    
     @Shadow
     public abstract ServerPlayerEntity getPlayer() throws CommandSyntaxException;
     
@@ -47,8 +44,11 @@ public abstract class ServerCommandSourceMixin {
     @Nullable
     public abstract net.minecraft.entity.@Nullable Entity getEntity();
     
+    @Shadow
+    public abstract void sendMessage(Text message);
+    
     public void terra$sendMessage(String message) {
-        sendFeedback(Text.literal(message), true);
+        sendMessage(Text.literal(message));
     }
     
     @Nullable