Merge remote-tracking branch 'origin/main' into feat/spongeSchemV3

worldedit-bukkit/adapters/adapter-1_19_4/src/main/java/com/sk89q/worldedit/bukkit/adapter/ext/fawe/v1_19_R3/PaperweightAdapter.java

@@ -57,6 +57,7 @@ import com.sk89q.worldedit.util.formatting.text.TranslatableComponent;
 import com.sk89q.worldedit.util.io.file.SafeFiles;
 import com.sk89q.worldedit.world.DataFixer;
 import com.sk89q.worldedit.world.RegenOptions;
+import com.sk89q.worldedit.world.biome.BiomeCategory;
 import com.sk89q.worldedit.world.biome.BiomeType;
 import com.sk89q.worldedit.world.biome.BiomeTypes;
 import com.sk89q.worldedit.world.block.BaseBlock;
@@ -67,6 +68,9 @@ import com.sk89q.worldedit.world.block.BlockTypes;
 import com.sk89q.worldedit.world.item.ItemType;
 import net.minecraft.Util;
 import net.minecraft.core.BlockPos;
+import net.minecraft.core.Holder;
+import net.minecraft.core.HolderSet;
+import net.minecraft.core.Registry;
 import net.minecraft.core.registries.Registries;
 import net.minecraft.network.protocol.game.ClientboundBlockEntityDataPacket;
 import net.minecraft.network.protocol.game.ClientboundEntityEventPacket;
@@ -292,6 +296,14 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         return DedicatedServer.getServer().registryAccess().registryOrThrow(Registries.ITEM).get(ResourceLocation.tryParse(itemType.id()));
     }
 
+    public BiomeType adapt(Biome biome) {
+        var mcBiome = ((CraftServer) Bukkit.getServer()).getServer().registryAccess().registryOrThrow(Registries.BIOME).getKey(biome);
+        if (mcBiome == null) {
+            return null;
+        }
+        return BiomeType.REGISTRY.get(mcBiome.toString());
+    }
+
     @Override
     public OptionalInt getInternalBlockStateId(BlockData data) {
         net.minecraft.world.level.block.state.BlockState state = ((CraftBlockData) data).getState();
@@ -495,21 +507,39 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
     }
 
     @SuppressWarnings({ "unchecked", "rawtypes" })
-    private static final LoadingCache<net.minecraft.world.level.block.state.properties.Property, Property<?>> PROPERTY_CACHE = CacheBuilder.newBuilder().build(new CacheLoader<net.minecraft.world.level.block.state.properties.Property, Property<?>>() {
+    private static final LoadingCache<net.minecraft.world.level.block.state.properties.Property, Property<?>> PROPERTY_CACHE = CacheBuilder
+            .newBuilder()
+            .build(new CacheLoader<>() {
                 @Override
-        public Property<?> load(net.minecraft.world.level.block.state.properties.Property state) throws Exception {
+                public Property<?> load(net.minecraft.world.level.block.state.properties.Property state) {
                     if (state instanceof net.minecraft.world.level.block.state.properties.BooleanProperty) {
                         return new BooleanProperty(state.getName(), ImmutableList.copyOf(state.getPossibleValues()));
                     } else if (state instanceof DirectionProperty) {
-                return new DirectionalProperty(state.getName(),
+                        return new DirectionalProperty(
-                        (List<Direction>) state.getPossibleValues().stream().map(e -> Direction.valueOf(((StringRepresentable) e).getSerializedName().toUpperCase(Locale.ROOT))).collect(Collectors.toList()));
+                                state.getName(),
+                                new ArrayList<>((List<Direction>) state
+                                        .getPossibleValues()
+                                        .stream()
+                                        .map(e -> Direction.valueOf(((StringRepresentable) e)
+                                                .getSerializedName()
+                                                .toUpperCase(Locale.ROOT)))
+                                        .toList())
+                        );
                     } else if (state instanceof net.minecraft.world.level.block.state.properties.EnumProperty) {
-                return new EnumProperty(state.getName(),
+                        return new EnumProperty(
-                        (List<String>) state.getPossibleValues().stream().map(e -> ((StringRepresentable) e).getSerializedName()).collect(Collectors.toList()));
+                                state.getName(),
+                                new ArrayList<>((List<String>) state
+                                        .getPossibleValues()
+                                        .stream()
+                                        .map(e -> ((StringRepresentable) e).getSerializedName())
+                                        .toList())
+                        );
                     } else if (state instanceof net.minecraft.world.level.block.state.properties.IntegerProperty) {
                         return new IntegerProperty(state.getName(), ImmutableList.copyOf(state.getPossibleValues()));
                     } else {
-                throw new IllegalArgumentException("WorldEdit needs an update to support " + state.getClass().getSimpleName());
+                        throw new IllegalArgumentException("WorldEdit needs an update to support " + state
+                                .getClass()
+                                .getSimpleName());
                     }
                 }
             });
@@ -806,6 +836,34 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         return false;
     }
 
+    @Override
+    public void initializeRegistries() {
+        DedicatedServer server = ((CraftServer) Bukkit.getServer()).getServer();
+        // Biomes
+        for (ResourceLocation name : server.registryAccess().registryOrThrow(Registries.BIOME).keySet()) {
+            if (BiomeType.REGISTRY.get(name.toString()) == null) {
+                BiomeType.REGISTRY.register(name.toString(), new BiomeType(name.toString()));
+            }
+        }
+
+        // BiomeCategories
+        Registry<Biome> biomeRegistry = server.registryAccess().registryOrThrow(Registries.BIOME);
+        biomeRegistry.getTagNames().forEach(tagKey -> {
+            String key = tagKey.location().toString();
+            if (BiomeCategory.REGISTRY.get(key) == null) {
+                BiomeCategory.REGISTRY.register(key, new BiomeCategory(
+                    key,
+                    () -> biomeRegistry.getTag(tagKey)
+                        .stream()
+                        .flatMap(HolderSet.Named::stream)
+                        .map(Holder::value)
+                        .map(this::adapt)
+                        .collect(Collectors.toSet()))
+                );
+            }
+        });
+    }
+
     // ------------------------------------------------------------------------
     // Code that is less likely to break
     // ------------------------------------------------------------------------

worldedit-bukkit/adapters/adapter-1_19_4/src/main/java/com/sk89q/worldedit/bukkit/adapter/ext/fawe/v1_19_R3/PaperweightWorldNativeAccess.java

@@ -154,6 +154,12 @@ public class PaperweightWorldNativeAccess implements WorldNativeAccess<LevelChun
         }
     }
 
+    @Override
+    public void updateBlock(BlockPos pos, net.minecraft.world.level.block.state.BlockState oldState, net.minecraft.world.level.block.state.BlockState newState) {
+        ServerLevel world = getWorld();
+        newState.onPlace(world, pos, oldState, false);
+    }
+
     // Not sure why neighborChanged is deprecated
     @SuppressWarnings("deprecation")
     private void fireNeighborChanged(BlockPos pos, ServerLevel world, Block block, BlockPos neighborPos) {

worldedit-bukkit/adapters/adapter-1_19_4/src/main/java/com/sk89q/worldedit/bukkit/adapter/impl/fawe/v1_19_R3/PaperweightFaweWorldNativeAccess.java

@@ -217,6 +217,12 @@ public class PaperweightFaweWorldNativeAccess implements WorldNativeAccess<Level
         newState.updateIndirectNeighbourShapes(level, blockPos, NOTIFY, recursionLimit);
     }
 
+    @Override
+    public void updateBlock(BlockPos pos, net.minecraft.world.level.block.state.BlockState oldState, net.minecraft.world.level.block.state.BlockState newState) {
+        Level world = getLevel();
+        newState.onPlace(world, pos, oldState, false);
+    }
+
     @Override
     public void onBlockStateChange(
             BlockPos blockPos,

worldedit-bukkit/adapters/adapter-1_20/src/main/java/com/sk89q/worldedit/bukkit/adapter/ext/fawe/v1_20_R1/PaperweightAdapter.java

@@ -57,6 +57,7 @@ import com.sk89q.worldedit.util.formatting.text.TranslatableComponent;
 import com.sk89q.worldedit.util.io.file.SafeFiles;
 import com.sk89q.worldedit.world.DataFixer;
 import com.sk89q.worldedit.world.RegenOptions;
+import com.sk89q.worldedit.world.biome.BiomeCategory;
 import com.sk89q.worldedit.world.biome.BiomeType;
 import com.sk89q.worldedit.world.biome.BiomeTypes;
 import com.sk89q.worldedit.world.block.BaseBlock;
@@ -68,6 +69,8 @@ import com.sk89q.worldedit.world.item.ItemType;
 import net.minecraft.Util;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Holder;
+import net.minecraft.core.HolderSet;
+import net.minecraft.core.Registry;
 import net.minecraft.core.registries.Registries;
 import net.minecraft.network.protocol.game.ClientboundBlockEntityDataPacket;
 import net.minecraft.network.protocol.game.ClientboundEntityEventPacket;
@@ -310,6 +313,29 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         return combinedId == 0 && state.getBlockType() != BlockTypes.AIR ? OptionalInt.empty() : OptionalInt.of(combinedId);
     }
 
+    public BlockState adapt(net.minecraft.world.level.block.state.BlockState blockState) {
+        int internalId = Block.getId(blockState);
+        BlockState state = BlockStateIdAccess.getBlockStateById(internalId);
+        if (state == null) {
+            state = BukkitAdapter.adapt(CraftBlockData.createData(blockState));
+        }
+
+        return state;
+    }
+
+    public BiomeType adapt(Biome biome) {
+        var mcBiome = ((CraftServer) Bukkit.getServer()).getServer().registryAccess().registryOrThrow(Registries.BIOME).getKey(biome);
+        if (mcBiome == null) {
+            return null;
+        }
+        return BiomeType.REGISTRY.get(mcBiome.toString());
+    }
+
+    public net.minecraft.world.level.block.state.BlockState adapt(BlockState blockState) {
+        int internalId = BlockStateIdAccess.getBlockStateId(blockState);
+        return Block.stateById(internalId);
+    }
+
     @Override
     public BlockState getBlock(Location location) {
         checkNotNull(location);
@@ -535,21 +561,39 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
     }
 
     @SuppressWarnings({ "unchecked", "rawtypes" })
-    private static final LoadingCache<net.minecraft.world.level.block.state.properties.Property, Property<?>> PROPERTY_CACHE = CacheBuilder.newBuilder().build(new CacheLoader<net.minecraft.world.level.block.state.properties.Property, Property<?>>() {
+    private static final LoadingCache<net.minecraft.world.level.block.state.properties.Property, Property<?>> PROPERTY_CACHE = CacheBuilder
+            .newBuilder()
+            .build(new CacheLoader<>() {
                 @Override
-        public Property<?> load(net.minecraft.world.level.block.state.properties.Property state) throws Exception {
+                public Property<?> load(net.minecraft.world.level.block.state.properties.Property state) {
                     if (state instanceof net.minecraft.world.level.block.state.properties.BooleanProperty) {
                         return new BooleanProperty(state.getName(), ImmutableList.copyOf(state.getPossibleValues()));
                     } else if (state instanceof DirectionProperty) {
-                return new DirectionalProperty(state.getName(),
+                        return new DirectionalProperty(
-                        (List<Direction>) state.getPossibleValues().stream().map(e -> Direction.valueOf(((StringRepresentable) e).getSerializedName().toUpperCase(Locale.ROOT))).collect(Collectors.toList()));
+                                state.getName(),
+                                new ArrayList<>((List<Direction>) state
+                                        .getPossibleValues()
+                                        .stream()
+                                        .map(e -> Direction.valueOf(((StringRepresentable) e)
+                                                .getSerializedName()
+                                                .toUpperCase(Locale.ROOT)))
+                                        .toList())
+                        );
                     } else if (state instanceof net.minecraft.world.level.block.state.properties.EnumProperty) {
-                return new EnumProperty(state.getName(),
+                        return new EnumProperty(
-                        (List<String>) state.getPossibleValues().stream().map(e -> ((StringRepresentable) e).getSerializedName()).collect(Collectors.toList()));
+                                state.getName(),
+                                new ArrayList<>((List<String>) state
+                                        .getPossibleValues()
+                                        .stream()
+                                        .map(e -> ((StringRepresentable) e).getSerializedName())
+                                        .toList())
+                        );
                     } else if (state instanceof net.minecraft.world.level.block.state.properties.IntegerProperty) {
                         return new IntegerProperty(state.getName(), ImmutableList.copyOf(state.getPossibleValues()));
                     } else {
-                throw new IllegalArgumentException("WorldEdit needs an update to support " + state.getClass().getSimpleName());
+                        throw new IllegalArgumentException("WorldEdit needs an update to support " + state
+                                .getClass()
+                                .getSimpleName());
                     }
                 }
             });
@@ -579,17 +623,6 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         ));
     }
 
-    /*@Override
-    public void sendFakeNBT(Player player, BlockVector3 pos, CompoundTag nbtData) {
-        ((CraftPlayer) player).getHandle().connection.send(ClientboundBlockEntityDataPacket.create(
-                new StructureBlockEntity(
-                        new BlockPos(pos.getBlockX(), pos.getBlockY(), pos.getBlockZ()),
-                        Blocks.STRUCTURE_BLOCK.defaultBlockState()
-                ),
-                __ -> (net.minecraft.nbt.CompoundTag) fromNative(nbtData)
-        ));
-    }*/
-
     @Override
     public void sendFakeOP(Player player) {
         ((CraftPlayer) player).getHandle().connection.send(new ClientboundEntityEventPacket(
@@ -858,7 +891,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         return false;
     }
 
-    /*@Override
+    @Override
     public void initializeRegistries() {
         DedicatedServer server = ((CraftServer) Bukkit.getServer()).getServer();
         // Biomes
@@ -867,8 +900,24 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
                 BiomeType.REGISTRY.register(name.toString(), new BiomeType(name.toString()));
             }
         }
-    }*
 
+        // BiomeCategories
+        Registry<Biome> biomeRegistry = server.registryAccess().registryOrThrow(Registries.BIOME);
+        biomeRegistry.getTagNames().forEach(tagKey -> {
+            String key = tagKey.location().toString();
+            if (BiomeCategory.REGISTRY.get(key) == null) {
+                BiomeCategory.REGISTRY.register(key, new BiomeCategory(
+                        key,
+                        () -> biomeRegistry.getTag(tagKey)
+                                .stream()
+                                .flatMap(HolderSet.Named::stream)
+                                .map(Holder::value)
+                                .map(this::adapt)
+                                .collect(Collectors.toSet()))
+                );
+            }
+        });
+    }
     // ------------------------------------------------------------------------
     // Code that is less likely to break
     // ------------------------------------------------------------------------

worldedit-bukkit/adapters/adapter-1_20/src/main/java/com/sk89q/worldedit/bukkit/adapter/ext/fawe/v1_20_R1/PaperweightWorldNativeAccess.java

@@ -154,6 +154,12 @@ public class PaperweightWorldNativeAccess implements WorldNativeAccess<LevelChun
         }
     }
 
+    @Override
+    public void updateBlock(BlockPos pos, net.minecraft.world.level.block.state.BlockState oldState, net.minecraft.world.level.block.state.BlockState newState) {
+        ServerLevel world = getWorld();
+        newState.onPlace(world, pos, oldState, false);
+    }
+
     // Not sure why neighborChanged is deprecated
     @SuppressWarnings("deprecation")
     private void fireNeighborChanged(BlockPos pos, ServerLevel world, Block block, BlockPos neighborPos) {

worldedit-bukkit/adapters/adapter-1_20/src/main/java/com/sk89q/worldedit/bukkit/adapter/impl/fawe/v1_20_R1/PaperweightFaweWorldNativeAccess.java

@@ -217,6 +217,12 @@ public class PaperweightFaweWorldNativeAccess implements WorldNativeAccess<Level
         newState.updateIndirectNeighbourShapes(level, blockPos, NOTIFY, recursionLimit);
     }
 
+    @Override
+    public void updateBlock(BlockPos pos, net.minecraft.world.level.block.state.BlockState oldState, net.minecraft.world.level.block.state.BlockState newState) {
+        Level world = getLevel();
+        newState.onPlace(world, pos, oldState, false);
+    }
+
     @Override
     public void onBlockStateChange(
             BlockPos blockPos,

worldedit-bukkit/adapters/adapter-1_20_2/src/main/java/com/sk89q/worldedit/bukkit/adapter/ext/fawe/v1_20_R2/PaperweightAdapter.java

@@ -23,6 +23,7 @@ import com.google.common.cache.CacheBuilder;
 import com.google.common.cache.CacheLoader;
 import com.google.common.cache.LoadingCache;
 import com.google.common.collect.ImmutableList;
+import com.google.common.collect.Lists;
 import com.google.common.collect.Sets;
 import com.google.common.util.concurrent.Futures;
 import com.mojang.datafixers.util.Either;
@@ -56,6 +57,7 @@ import com.sk89q.worldedit.util.formatting.text.TranslatableComponent;
 import com.sk89q.worldedit.util.io.file.SafeFiles;
 import com.sk89q.worldedit.world.DataFixer;
 import com.sk89q.worldedit.world.RegenOptions;
+import com.sk89q.worldedit.world.biome.BiomeCategory;
 import com.sk89q.worldedit.world.biome.BiomeType;
 import com.sk89q.worldedit.world.biome.BiomeTypes;
 import com.sk89q.worldedit.world.block.BaseBlock;
@@ -67,6 +69,8 @@ import com.sk89q.worldedit.world.item.ItemType;
 import net.minecraft.Util;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Holder;
+import net.minecraft.core.HolderSet;
+import net.minecraft.core.Registry;
 import net.minecraft.core.registries.Registries;
 import net.minecraft.network.protocol.game.ClientboundBlockEntityDataPacket;
 import net.minecraft.network.protocol.game.ClientboundEntityEventPacket;
@@ -78,6 +82,7 @@ import net.minecraft.server.level.ChunkHolder;
 import net.minecraft.server.level.ServerChunkCache;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.server.level.progress.ChunkProgressListener;
+import net.minecraft.util.RandomSource;
 import net.minecraft.util.StringRepresentable;
 import net.minecraft.util.thread.BlockableEventLoop;
 import net.minecraft.world.Clearable;
@@ -108,6 +113,7 @@ import net.minecraft.world.phys.BlockHitResult;
 import net.minecraft.world.phys.Vec3;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.World;
 import org.bukkit.World.Environment;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.craftbukkit.v1_20_R2.CraftServer;
@@ -147,6 +153,7 @@ import java.lang.reflect.Method;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;
@@ -174,6 +181,8 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
     private final Field chunkProviderExecutorField;
     private final Watchdog watchdog;
 
+    private static final RandomSource random = RandomSource.create();
+
     // ------------------------------------------------------------------------
     // Code that may break between versions of Minecraft
     // ------------------------------------------------------------------------
@@ -282,7 +291,6 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
     }
 
     private static Block getBlockFromType(BlockType blockType) {
-
         return DedicatedServer.getServer().registryAccess().registryOrThrow(Registries.BLOCK).get(ResourceLocation.tryParse(blockType.id()));
     }
 
@@ -307,6 +315,29 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         return combinedId == 0 && state.getBlockType() != BlockTypes.AIR ? OptionalInt.empty() : OptionalInt.of(combinedId);
     }
 
+    public BlockState adapt(net.minecraft.world.level.block.state.BlockState blockState) {
+        int internalId = Block.getId(blockState);
+        BlockState state = BlockStateIdAccess.getBlockStateById(internalId);
+        if (state == null) {
+            state = BukkitAdapter.adapt(CraftBlockData.createData(blockState));
+        }
+
+        return state;
+    }
+
+    public BiomeType adapt(Biome biome) {
+        var mcBiome = ((CraftServer) Bukkit.getServer()).getServer().registryAccess().registryOrThrow(Registries.BIOME).getKey(biome);
+        if (mcBiome == null) {
+            return null;
+        }
+        return BiomeType.REGISTRY.get(mcBiome.toString());
+    }
+
+    public net.minecraft.world.level.block.state.BlockState adapt(BlockState blockState) {
+        int internalId = BlockStateIdAccess.getBlockStateId(blockState);
+        return Block.stateById(internalId);
+    }
+
     @Override
     public BlockState getBlock(Location location) {
         checkNotNull(location);
@@ -320,14 +351,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         LevelChunk chunk = handle.getChunk(x >> 4, z >> 4);
         final BlockPos blockPos = new BlockPos(x, y, z);
         final net.minecraft.world.level.block.state.BlockState blockData = chunk.getBlockState(blockPos);
-        int internalId = Block.getId(blockData);
+        return adapt(blockData);
-        BlockState state = BlockStateIdAccess.getBlockStateById(internalId);
-        if (state == null) {
-            org.bukkit.block.Block bukkitBlock = location.getBlock();
-            state = BukkitAdapter.adapt(bukkitBlock.getBlockData());
-        }
-
-        return state;
     }
 
     @Override
@@ -357,8 +381,40 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
     private static final HashMap<Holder<Biome>, BiomeType> biomeTypeFromNMSCache = new HashMap<>();
 
     @Override
-    public WorldNativeAccess<?, ?, ?> createWorldNativeAccess(org.bukkit.World world) {
+    public BiomeType getBiome(Location location) {
-        return new PaperweightWorldNativeAccess(this, new WeakReference<>(((CraftWorld) world).getHandle()));
+        checkNotNull(location);
+
+        CraftWorld craftWorld = ((CraftWorld) location.getWorld());
+        int x = location.getBlockX();
+        int y = location.getBlockY();
+        int z = location.getBlockZ();
+
+        final ServerLevel handle = craftWorld.getHandle();
+        LevelChunk chunk = handle.getChunk(x >> 4, z >> 4);
+
+        return biomeTypeFromNMSCache.computeIfAbsent(chunk.getNoiseBiome(x >> 2, y >> 2, z >> 2), b -> BiomeType.REGISTRY.get(b.unwrapKey().get().location().toString()));
+    }
+
+    @Override
+    public void setBiome(Location location, BiomeType biome) {
+        checkNotNull(location);
+        checkNotNull(biome);
+
+        CraftWorld craftWorld = ((CraftWorld) location.getWorld());
+        int x = location.getBlockX();
+        int y = location.getBlockY();
+        int z = location.getBlockZ();
+
+        final ServerLevel handle = craftWorld.getHandle();
+        LevelChunk chunk = handle.getChunk(x >> 4, z >> 4);
+        chunk.setBiome(x >> 2, y >> 2, z >> 2, biomeTypeToNMSCache.computeIfAbsent(biome, b -> ((CraftServer) Bukkit.getServer()).getServer().registryAccess().registryOrThrow(Registries.BIOME).getHolderOrThrow(ResourceKey.create(Registries.BIOME, new ResourceLocation(b.id())))));
+        chunk.setUnsaved(true);
+    }
+
+    @Override
+    public WorldNativeAccess<?, ?, ?> createWorldNativeAccess(World world) {
+        return new PaperweightWorldNativeAccess(this,
+            new WeakReference<>(((CraftWorld) world).getHandle()));
     }
 
     private static net.minecraft.core.Direction adapt(Direction face) {
@@ -495,21 +551,39 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
     }
 
     @SuppressWarnings({ "unchecked", "rawtypes" })
-    private static final LoadingCache<net.minecraft.world.level.block.state.properties.Property, Property<?>> PROPERTY_CACHE = CacheBuilder.newBuilder().build(new CacheLoader<net.minecraft.world.level.block.state.properties.Property, Property<?>>() {
+    private static final LoadingCache<net.minecraft.world.level.block.state.properties.Property, Property<?>> PROPERTY_CACHE = CacheBuilder
+            .newBuilder()
+            .build(new CacheLoader<>() {
                 @Override
-        public Property<?> load(net.minecraft.world.level.block.state.properties.Property state) throws Exception {
+                public Property<?> load(net.minecraft.world.level.block.state.properties.Property state) {
                     if (state instanceof net.minecraft.world.level.block.state.properties.BooleanProperty) {
                         return new BooleanProperty(state.getName(), ImmutableList.copyOf(state.getPossibleValues()));
                     } else if (state instanceof DirectionProperty) {
-                return new DirectionalProperty(state.getName(),
+                        return new DirectionalProperty(
-                        (List<Direction>) state.getPossibleValues().stream().map(e -> Direction.valueOf(((StringRepresentable) e).getSerializedName().toUpperCase(Locale.ROOT))).collect(Collectors.toList()));
+                                state.getName(),
+                                new ArrayList<>((List<Direction>) state
+                                        .getPossibleValues()
+                                        .stream()
+                                        .map(e -> Direction.valueOf(((StringRepresentable) e)
+                                                .getSerializedName()
+                                                .toUpperCase(Locale.ROOT)))
+                                        .toList())
+                        );
                     } else if (state instanceof net.minecraft.world.level.block.state.properties.EnumProperty) {
-                return new EnumProperty(state.getName(),
+                        return new EnumProperty(
-                        (List<String>) state.getPossibleValues().stream().map(e -> ((StringRepresentable) e).getSerializedName()).collect(Collectors.toList()));
+                                state.getName(),
+                                new ArrayList<>((List<String>) state
+                                        .getPossibleValues()
+                                        .stream()
+                                        .map(e -> ((StringRepresentable) e).getSerializedName())
+                                        .toList())
+                        );
                     } else if (state instanceof net.minecraft.world.level.block.state.properties.IntegerProperty) {
                         return new IntegerProperty(state.getName(), ImmutableList.copyOf(state.getPossibleValues()));
                     } else {
-                throw new IllegalArgumentException("WorldEdit needs an update to support " + state.getClass().getSimpleName());
+                        throw new IllegalArgumentException("WorldEdit needs an update to support " + state
+                                .getClass()
+                                .getSimpleName());
                     }
                 }
             });
@@ -603,14 +677,14 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
     }
 
     @Override
-    public boolean canPlaceAt(org.bukkit.World world, BlockVector3 position, BlockState blockState) {
+    public boolean canPlaceAt(World world, BlockVector3 position, BlockState blockState) {
         int internalId = BlockStateIdAccess.getBlockStateId(blockState);
         net.minecraft.world.level.block.state.BlockState blockData = Block.stateById(internalId);
         return blockData.canSurvive(((CraftWorld) world).getHandle(), new BlockPos(position.x(), position.y(), position.z()));
     }
 
     @Override
-    public boolean regenerate(org.bukkit.World bukkitWorld, Region region, Extent extent, RegenOptions options) {
+    public boolean regenerate(World bukkitWorld, Region region, Extent extent, RegenOptions options) {
         try {
             doRegen(bukkitWorld, region, extent, options);
         } catch (Exception e) {
@@ -620,7 +694,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         return true;
     }
 
-    private void doRegen(org.bukkit.World bukkitWorld, Region region, Extent extent, RegenOptions options) throws Exception {
+    private void doRegen(World bukkitWorld, Region region, Extent extent, RegenOptions options) throws Exception {
         Environment env = bukkitWorld.getEnvironment();
         ChunkGenerator gen = bukkitWorld.getGenerator();
 
@@ -648,6 +722,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
                 levelProperties.settings.getDataConfiguration()
             );
 
+            @SuppressWarnings("deprecation")
             PrimaryLevelData.SpecialWorldProperty specialWorldProperty =
                 levelProperties.isFlatWorld()
                     ? PrimaryLevelData.SpecialWorldProperty.FLAT
@@ -684,7 +759,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         } finally {
             try {
                 @SuppressWarnings("unchecked")
-                Map<String, org.bukkit.World> map = (Map<String, org.bukkit.World>) serverWorldsField.get(Bukkit.getServer());
+                Map<String, World> map = (Map<String, World>) serverWorldsField.get(Bukkit.getServer());
                 map.remove("faweregentempworld");
             } catch (IllegalAccessException ignored) {
             }
@@ -796,7 +871,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
     }
 
     @Override
-    public boolean clearContainerBlockContents(org.bukkit.World world, BlockVector3 pt) {
+    public boolean clearContainerBlockContents(World world, BlockVector3 pt) {
         ServerLevel originalWorld = ((CraftWorld) world).getHandle();
 
         BlockEntity entity = originalWorld.getBlockEntity(new BlockPos(pt.x(), pt.y(), pt.z()));
@@ -807,6 +882,45 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         return false;
     }
 
+    @Override
+    public void initializeRegistries() {
+        DedicatedServer server = ((CraftServer) Bukkit.getServer()).getServer();
+        // Biomes
+        for (ResourceLocation name : server.registryAccess().registryOrThrow(Registries.BIOME).keySet()) {
+            if (BiomeType.REGISTRY.get(name.toString()) == null) {
+                BiomeType.REGISTRY.register(name.toString(), new BiomeType(name.toString()));
+            }
+        }
+
+        // BiomeCategories
+        Registry<Biome> biomeRegistry = server.registryAccess().registryOrThrow(Registries.BIOME);
+        biomeRegistry.getTagNames().forEach(tagKey -> {
+            String key = tagKey.location().toString();
+            if (BiomeCategory.REGISTRY.get(key) == null) {
+                BiomeCategory.REGISTRY.register(key, new BiomeCategory(
+                    key,
+                    () -> biomeRegistry.getTag(tagKey)
+                        .stream()
+                        .flatMap(HolderSet.Named::stream)
+                        .map(Holder::value)
+                        .map(this::adapt)
+                        .collect(Collectors.toSet()))
+                );
+            }
+        });
+    }
+
+    @Override
+    public void sendBiomeUpdates(World world, Iterable<BlockVector2> chunks) {
+        ServerLevel originalWorld = ((CraftWorld) world).getHandle();
+
+        List<ChunkAccess> nativeChunks = chunks instanceof Collection<BlockVector2> chunkCollection ? Lists.newArrayListWithCapacity(chunkCollection.size()) : Lists.newArrayList();
+        for (BlockVector2 chunk : chunks) {
+            nativeChunks.add(originalWorld.getChunk(chunk.x(), chunk.z(), ChunkStatus.BIOMES, false));
+        }
+        originalWorld.getChunkSource().chunkMap.resendBiomesForChunks(nativeChunks);
+    }
+
     // ------------------------------------------------------------------------
     // Code that is less likely to break
     // ------------------------------------------------------------------------
@@ -978,7 +1092,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         MojangWatchdog(DedicatedServer server) throws NoSuchFieldException {
             this.server = server;
             Field tickField = MinecraftServer.class.getDeclaredField(
-                    Refraction.pickName("nextTickTime", "ah")
+                Refraction.pickName("nextTickTime", "ag")
             );
             if (tickField.getType() != long.class) {
                 throw new IllegalStateException("nextTickTime is not a long field, mapping is likely incorrect");

worldedit-bukkit/adapters/adapter-1_20_2/src/main/java/com/sk89q/worldedit/bukkit/adapter/ext/fawe/v1_20_R2/PaperweightWorldNativeAccess.java

@@ -26,9 +26,11 @@ import com.sk89q.worldedit.util.SideEffect;
 import com.sk89q.worldedit.util.SideEffectSet;
 import com.sk89q.worldedit.world.block.BlockState;
 import net.minecraft.core.BlockPos;
+import net.minecraft.nbt.Tag;
 import net.minecraft.server.level.FullChunkStatus;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.world.level.block.Block;
+import net.minecraft.world.level.block.entity.BlockEntity;
 import net.minecraft.world.level.chunk.LevelChunk;
 import org.bukkit.craftbukkit.v1_20_R2.CraftWorld;
 import org.bukkit.craftbukkit.v1_20_R2.block.data.CraftBlockData;
@@ -102,8 +104,15 @@ public class PaperweightWorldNativeAccess implements WorldNativeAccess<LevelChun
 
     @Override
     public boolean updateTileEntity(final BlockPos position, final LinCompoundTag tag) {
+        // We will assume that the tile entity was created for us
+        BlockEntity tileEntity = getWorld().getBlockEntity(position);
+        if (tileEntity == null) {
             return false;
         }
+        Tag nativeTag = adapter.fromNativeLin(tag);
+        PaperweightAdapter.readTagIntoTileEntity((net.minecraft.nbt.CompoundTag) nativeTag, tileEntity);
+        return true;
+    }
 
     @Override
     public void notifyBlockUpdate(LevelChunk chunk, BlockPos position, net.minecraft.world.level.block.state.BlockState oldState, net.minecraft.world.level.block.state.BlockState newState) {
@@ -144,6 +153,12 @@ public class PaperweightWorldNativeAccess implements WorldNativeAccess<LevelChun
         }
     }
 
+    @Override
+    public void updateBlock(BlockPos pos, net.minecraft.world.level.block.state.BlockState oldState, net.minecraft.world.level.block.state.BlockState newState) {
+        ServerLevel world = getWorld();
+        newState.onPlace(world, pos, oldState, false);
+    }
+
     // Not sure why neighborChanged is deprecated
     @SuppressWarnings("deprecation")
     private void fireNeighborChanged(BlockPos pos, ServerLevel world, Block block, BlockPos neighborPos) {
@@ -153,8 +168,6 @@ public class PaperweightWorldNativeAccess implements WorldNativeAccess<LevelChun
     @Override
     public void updateNeighbors(BlockPos pos, net.minecraft.world.level.block.state.BlockState oldState, net.minecraft.world.level.block.state.BlockState newState, int recursionLimit) {
         ServerLevel world = getWorld();
-        // a == updateNeighbors
-        // b == updateDiagonalNeighbors
         oldState.updateIndirectNeighbourShapes(world, pos, NOTIFY, recursionLimit);
         if (sideEffectSet.shouldApply(SideEffect.EVENTS)) {
             CraftWorld craftWorld = world.getWorld();

worldedit-bukkit/adapters/adapter-1_20_2/src/main/java/com/sk89q/worldedit/bukkit/adapter/impl/fawe/v1_20_R2/PaperweightFaweWorldNativeAccess.java

@@ -217,6 +217,12 @@ public class PaperweightFaweWorldNativeAccess implements WorldNativeAccess<Level
         newState.updateIndirectNeighbourShapes(level, blockPos, NOTIFY, recursionLimit);
     }
 
+    @Override
+    public void updateBlock(BlockPos pos, net.minecraft.world.level.block.state.BlockState oldState, net.minecraft.world.level.block.state.BlockState newState) {
+        Level world = getLevel();
+        newState.onPlace(world, pos, oldState, false);
+    }
+
     @Override
     public void onBlockStateChange(
             BlockPos blockPos,

worldedit-bukkit/adapters/adapter-1_20_4/src/main/java/com/sk89q/worldedit/bukkit/adapter/ext.fawe/v1_20_R3/PaperweightAdapter.java

@@ -23,6 +23,7 @@ import com.google.common.cache.CacheBuilder;
 import com.google.common.cache.CacheLoader;
 import com.google.common.cache.LoadingCache;
 import com.google.common.collect.ImmutableList;
+import com.google.common.collect.Lists;
 import com.google.common.collect.Sets;
 import com.google.common.util.concurrent.Futures;
 import com.mojang.datafixers.util.Either;
@@ -56,6 +57,7 @@ import com.sk89q.worldedit.util.formatting.text.TranslatableComponent;
 import com.sk89q.worldedit.util.io.file.SafeFiles;
 import com.sk89q.worldedit.world.DataFixer;
 import com.sk89q.worldedit.world.RegenOptions;
+import com.sk89q.worldedit.world.biome.BiomeCategory;
 import com.sk89q.worldedit.world.biome.BiomeType;
 import com.sk89q.worldedit.world.biome.BiomeTypes;
 import com.sk89q.worldedit.world.block.BaseBlock;
@@ -67,6 +69,8 @@ import com.sk89q.worldedit.world.item.ItemType;
 import net.minecraft.Util;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Holder;
+import net.minecraft.core.HolderSet;
+import net.minecraft.core.Registry;
 import net.minecraft.core.registries.Registries;
 import net.minecraft.network.protocol.game.ClientboundBlockEntityDataPacket;
 import net.minecraft.network.protocol.game.ClientboundEntityEventPacket;
@@ -78,6 +82,7 @@ import net.minecraft.server.level.ChunkHolder;
 import net.minecraft.server.level.ServerChunkCache;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.server.level.progress.ChunkProgressListener;
+import net.minecraft.util.RandomSource;
 import net.minecraft.util.StringRepresentable;
 import net.minecraft.util.thread.BlockableEventLoop;
 import net.minecraft.world.Clearable;
@@ -108,6 +113,7 @@ import net.minecraft.world.phys.BlockHitResult;
 import net.minecraft.world.phys.Vec3;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.World;
 import org.bukkit.World.Environment;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.craftbukkit.v1_20_R3.CraftServer;
@@ -147,6 +153,7 @@ import java.lang.reflect.Method;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;
@@ -174,6 +181,8 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
     private final Field chunkProviderExecutorField;
     private final Watchdog watchdog;
 
+    private static final RandomSource random = RandomSource.create();
+
     // ------------------------------------------------------------------------
     // Code that may break between versions of Minecraft
     // ------------------------------------------------------------------------
@@ -282,7 +291,6 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
     }
 
     private static Block getBlockFromType(BlockType blockType) {
-
         return DedicatedServer.getServer().registryAccess().registryOrThrow(Registries.BLOCK).get(ResourceLocation.tryParse(blockType.id()));
     }
 
@@ -307,6 +315,29 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         return combinedId == 0 && state.getBlockType() != BlockTypes.AIR ? OptionalInt.empty() : OptionalInt.of(combinedId);
     }
 
+    public BlockState adapt(net.minecraft.world.level.block.state.BlockState blockState) {
+        int internalId = Block.getId(blockState);
+        BlockState state = BlockStateIdAccess.getBlockStateById(internalId);
+        if (state == null) {
+            state = BukkitAdapter.adapt(CraftBlockData.createData(blockState));
+        }
+
+        return state;
+    }
+
+    public BiomeType adapt(Biome biome) {
+        var mcBiome = ((CraftServer) Bukkit.getServer()).getServer().registryAccess().registryOrThrow(Registries.BIOME).getKey(biome);
+        if (mcBiome == null) {
+            return null;
+        }
+        return BiomeType.REGISTRY.get(mcBiome.toString());
+    }
+
+    public net.minecraft.world.level.block.state.BlockState adapt(BlockState blockState) {
+        int internalId = BlockStateIdAccess.getBlockStateId(blockState);
+        return Block.stateById(internalId);
+    }
+
     @Override
     public BlockState getBlock(Location location) {
         checkNotNull(location);
@@ -320,14 +351,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         LevelChunk chunk = handle.getChunk(x >> 4, z >> 4);
         final BlockPos blockPos = new BlockPos(x, y, z);
         final net.minecraft.world.level.block.state.BlockState blockData = chunk.getBlockState(blockPos);
-        int internalId = Block.getId(blockData);
+        return adapt(blockData);
-        BlockState state = BlockStateIdAccess.getBlockStateById(internalId);
-        if (state == null) {
-            org.bukkit.block.Block bukkitBlock = location.getBlock();
-            state = BukkitAdapter.adapt(bukkitBlock.getBlockData());
-        }
-
-        return state;
     }
 
     @Override
@@ -357,7 +381,38 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
     private static final HashMap<Holder<Biome>, BiomeType> biomeTypeFromNMSCache = new HashMap<>();
 
     @Override
-    public WorldNativeAccess<?, ?, ?> createWorldNativeAccess(org.bukkit.World world) {
+    public BiomeType getBiome(Location location) {
+        checkNotNull(location);
+
+        CraftWorld craftWorld = ((CraftWorld) location.getWorld());
+        int x = location.getBlockX();
+        int y = location.getBlockY();
+        int z = location.getBlockZ();
+
+        final ServerLevel handle = craftWorld.getHandle();
+        LevelChunk chunk = handle.getChunk(x >> 4, z >> 4);
+
+        return biomeTypeFromNMSCache.computeIfAbsent(chunk.getNoiseBiome(x >> 2, y >> 2, z >> 2), b -> BiomeType.REGISTRY.get(b.unwrapKey().get().location().toString()));
+    }
+
+    @Override
+    public void setBiome(Location location, BiomeType biome) {
+        checkNotNull(location);
+        checkNotNull(biome);
+
+        CraftWorld craftWorld = ((CraftWorld) location.getWorld());
+        int x = location.getBlockX();
+        int y = location.getBlockY();
+        int z = location.getBlockZ();
+
+        final ServerLevel handle = craftWorld.getHandle();
+        LevelChunk chunk = handle.getChunk(x >> 4, z >> 4);
+        chunk.setBiome(x >> 2, y >> 2, z >> 2, biomeTypeToNMSCache.computeIfAbsent(biome, b -> ((CraftServer) Bukkit.getServer()).getServer().registryAccess().registryOrThrow(Registries.BIOME).getHolderOrThrow(ResourceKey.create(Registries.BIOME, new ResourceLocation(b.id())))));
+        chunk.setUnsaved(true);
+    }
+
+    @Override
+    public WorldNativeAccess<?, ?, ?> createWorldNativeAccess(World world) {
         return new PaperweightWorldNativeAccess(this, new WeakReference<>(((CraftWorld) world).getHandle()));
     }
 
@@ -495,21 +550,39 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
     }
 
     @SuppressWarnings({ "unchecked", "rawtypes" })
-    private static final LoadingCache<net.minecraft.world.level.block.state.properties.Property, Property<?>> PROPERTY_CACHE = CacheBuilder.newBuilder().build(new CacheLoader<net.minecraft.world.level.block.state.properties.Property, Property<?>>() {
+    private static final LoadingCache<net.minecraft.world.level.block.state.properties.Property, Property<?>> PROPERTY_CACHE = CacheBuilder
+            .newBuilder()
+            .build(new CacheLoader<>() {
                 @Override
-        public Property<?> load(net.minecraft.world.level.block.state.properties.Property state) throws Exception {
+                public Property<?> load(net.minecraft.world.level.block.state.properties.Property state) {
                     if (state instanceof net.minecraft.world.level.block.state.properties.BooleanProperty) {
                         return new BooleanProperty(state.getName(), ImmutableList.copyOf(state.getPossibleValues()));
                     } else if (state instanceof DirectionProperty) {
-                return new DirectionalProperty(state.getName(),
+                        return new DirectionalProperty(
-                        (List<Direction>) state.getPossibleValues().stream().map(e -> Direction.valueOf(((StringRepresentable) e).getSerializedName().toUpperCase(Locale.ROOT))).collect(Collectors.toList()));
+                                state.getName(),
+                                new ArrayList<>((List<Direction>) state
+                                        .getPossibleValues()
+                                        .stream()
+                                        .map(e -> Direction.valueOf(((StringRepresentable) e)
+                                                .getSerializedName()
+                                                .toUpperCase(Locale.ROOT)))
+                                        .toList())
+                        );
                     } else if (state instanceof net.minecraft.world.level.block.state.properties.EnumProperty) {
-                return new EnumProperty(state.getName(),
+                        return new EnumProperty(
-                        (List<String>) state.getPossibleValues().stream().map(e -> ((StringRepresentable) e).getSerializedName()).collect(Collectors.toList()));
+                                state.getName(),
+                                new ArrayList<>((List<String>) state
+                                        .getPossibleValues()
+                                        .stream()
+                                        .map(e -> ((StringRepresentable) e).getSerializedName())
+                                        .toList())
+                        );
                     } else if (state instanceof net.minecraft.world.level.block.state.properties.IntegerProperty) {
                         return new IntegerProperty(state.getName(), ImmutableList.copyOf(state.getPossibleValues()));
                     } else {
-                throw new IllegalArgumentException("WorldEdit needs an update to support " + state.getClass().getSimpleName());
+                        throw new IllegalArgumentException("WorldEdit needs an update to support " + state
+                                .getClass()
+                                .getSimpleName());
                     }
                 }
             });
@@ -603,14 +676,14 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
     }
 
     @Override
-    public boolean canPlaceAt(org.bukkit.World world, BlockVector3 position, BlockState blockState) {
+    public boolean canPlaceAt(World world, BlockVector3 position, BlockState blockState) {
         int internalId = BlockStateIdAccess.getBlockStateId(blockState);
         net.minecraft.world.level.block.state.BlockState blockData = Block.stateById(internalId);
         return blockData.canSurvive(((CraftWorld) world).getHandle(), new BlockPos(position.x(), position.y(), position.z()));
     }
 
     @Override
-    public boolean regenerate(org.bukkit.World bukkitWorld, Region region, Extent extent, RegenOptions options) {
+    public boolean regenerate(World bukkitWorld, Region region, Extent extent, RegenOptions options) {
         try {
             doRegen(bukkitWorld, region, extent, options);
         } catch (Exception e) {
@@ -620,7 +693,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         return true;
     }
 
-    private void doRegen(org.bukkit.World bukkitWorld, Region region, Extent extent, RegenOptions options) throws Exception {
+    private void doRegen(World bukkitWorld, Region region, Extent extent, RegenOptions options) throws Exception {
         Environment env = bukkitWorld.getEnvironment();
         ChunkGenerator gen = bukkitWorld.getGenerator();
 
@@ -648,6 +721,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
                 levelProperties.settings.getDataConfiguration()
             );
 
+            @SuppressWarnings("deprecation")
             PrimaryLevelData.SpecialWorldProperty specialWorldProperty =
                 levelProperties.isFlatWorld()
                     ? PrimaryLevelData.SpecialWorldProperty.FLAT
@@ -684,7 +758,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         } finally {
             try {
                 @SuppressWarnings("unchecked")
-                Map<String, org.bukkit.World> map = (Map<String, org.bukkit.World>) serverWorldsField.get(Bukkit.getServer());
+                Map<String, World> map = (Map<String, World>) serverWorldsField.get(Bukkit.getServer());
                 map.remove("faweregentempworld");
             } catch (IllegalAccessException ignored) {
             }
@@ -796,7 +870,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
     }
 
     @Override
-    public boolean clearContainerBlockContents(org.bukkit.World world, BlockVector3 pt) {
+    public boolean clearContainerBlockContents(World world, BlockVector3 pt) {
         ServerLevel originalWorld = ((CraftWorld) world).getHandle();
 
         BlockEntity entity = originalWorld.getBlockEntity(new BlockPos(pt.x(), pt.y(), pt.z()));
@@ -807,6 +881,45 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         return false;
     }
 
+    @Override
+    public void initializeRegistries() {
+        DedicatedServer server = ((CraftServer) Bukkit.getServer()).getServer();
+        // Biomes
+        for (ResourceLocation name : server.registryAccess().registryOrThrow(Registries.BIOME).keySet()) {
+            if (BiomeType.REGISTRY.get(name.toString()) == null) {
+                BiomeType.REGISTRY.register(name.toString(), new BiomeType(name.toString()));
+            }
+        }
+
+        // BiomeCategories
+        Registry<Biome> biomeRegistry = server.registryAccess().registryOrThrow(Registries.BIOME);
+        biomeRegistry.getTagNames().forEach(tagKey -> {
+            String key = tagKey.location().toString();
+            if (BiomeCategory.REGISTRY.get(key) == null) {
+                BiomeCategory.REGISTRY.register(key, new BiomeCategory(
+                    key,
+                    () -> biomeRegistry.getTag(tagKey)
+                        .stream()
+                        .flatMap(HolderSet.Named::stream)
+                        .map(Holder::value)
+                        .map(this::adapt)
+                        .collect(Collectors.toSet()))
+                );
+            }
+        });
+    }
+
+    @Override
+    public void sendBiomeUpdates(World world, Iterable<BlockVector2> chunks) {
+        ServerLevel originalWorld = ((CraftWorld) world).getHandle();
+
+        List<ChunkAccess> nativeChunks = chunks instanceof Collection<BlockVector2> chunkCollection ? Lists.newArrayListWithCapacity(chunkCollection.size()) : Lists.newArrayList();
+        for (BlockVector2 chunk : chunks) {
+            nativeChunks.add(originalWorld.getChunk(chunk.x(), chunk.z(), ChunkStatus.BIOMES, false));
+        }
+        originalWorld.getChunkSource().chunkMap.resendBiomesForChunks(nativeChunks);
+    }
+
     // ------------------------------------------------------------------------
     // Code that is less likely to break
     // ------------------------------------------------------------------------
@@ -978,7 +1091,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         MojangWatchdog(DedicatedServer server) throws NoSuchFieldException {
             this.server = server;
             Field tickField = MinecraftServer.class.getDeclaredField(
-                    Refraction.pickName("nextTickTime", "ah")
+                Refraction.pickName("nextTickTime", "ag")
             );
             if (tickField.getType() != long.class) {
                 throw new IllegalStateException("nextTickTime is not a long field, mapping is likely incorrect");

worldedit-bukkit/adapters/adapter-1_20_4/src/main/java/com/sk89q/worldedit/bukkit/adapter/ext.fawe/v1_20_R3/PaperweightWorldNativeAccess.java

@@ -110,7 +110,7 @@ public class PaperweightWorldNativeAccess implements WorldNativeAccess<LevelChun
         if (tileEntity == null) {
             return false;
         }
-        Tag nativeTag = adapter.fromNative(new CompoundTag(tag));
+        Tag nativeTag = adapter.fromNativeLin(tag);
         PaperweightAdapter.readTagIntoTileEntity((net.minecraft.nbt.CompoundTag) nativeTag, tileEntity);
         return true;
     }
@@ -154,6 +154,12 @@ public class PaperweightWorldNativeAccess implements WorldNativeAccess<LevelChun
         }
     }
 
+    @Override
+    public void updateBlock(BlockPos pos, net.minecraft.world.level.block.state.BlockState oldState, net.minecraft.world.level.block.state.BlockState newState) {
+        ServerLevel world = getWorld();
+        newState.onPlace(world, pos, oldState, false);
+    }
+
     // Not sure why neighborChanged is deprecated
     @SuppressWarnings("deprecation")
     private void fireNeighborChanged(BlockPos pos, ServerLevel world, Block block, BlockPos neighborPos) {
@@ -163,8 +169,6 @@ public class PaperweightWorldNativeAccess implements WorldNativeAccess<LevelChun
     @Override
     public void updateNeighbors(BlockPos pos, net.minecraft.world.level.block.state.BlockState oldState, net.minecraft.world.level.block.state.BlockState newState, int recursionLimit) {
         ServerLevel world = getWorld();
-        // a == updateNeighbors
-        // b == updateDiagonalNeighbors
         oldState.updateIndirectNeighbourShapes(world, pos, NOTIFY, recursionLimit);
         if (sideEffectSet.shouldApply(SideEffect.EVENTS)) {
             CraftWorld craftWorld = world.getWorld();
@@ -187,5 +191,4 @@ public class PaperweightWorldNativeAccess implements WorldNativeAccess<LevelChun
     public void flush() {
 
     }
-
 }

worldedit-bukkit/adapters/adapter-1_20_4/src/main/java/com/sk89q/worldedit/bukkit/adapter/impl/fawe/v1_20_R3/PaperweightFaweWorldNativeAccess.java

@@ -217,6 +217,12 @@ public class PaperweightFaweWorldNativeAccess implements WorldNativeAccess<Level
         newState.updateIndirectNeighbourShapes(level, blockPos, NOTIFY, recursionLimit);
     }
 
+    @Override
+    public void updateBlock(BlockPos pos, net.minecraft.world.level.block.state.BlockState oldState, net.minecraft.world.level.block.state.BlockState newState) {
+        Level world = getLevel();
+        newState.onPlace(world, pos, oldState, false);
+    }
+
     @Override
     public void onBlockStateChange(
             BlockPos blockPos,

worldedit-bukkit/adapters/adapter-1_20_5/src/main/java/com/sk89q/worldedit/bukkit/adapter/ext.fawe/v1_20_R4/PaperweightAdapter.java

@@ -23,6 +23,7 @@ import com.google.common.cache.CacheBuilder;
 import com.google.common.cache.CacheLoader;
 import com.google.common.cache.LoadingCache;
 import com.google.common.collect.ImmutableList;
+import com.google.common.collect.Lists;
 import com.google.common.collect.Sets;
 import com.google.common.util.concurrent.Futures;
 import com.mojang.serialization.Codec;
@@ -56,6 +57,7 @@ import com.sk89q.worldedit.util.formatting.text.TranslatableComponent;
 import com.sk89q.worldedit.util.io.file.SafeFiles;
 import com.sk89q.worldedit.world.DataFixer;
 import com.sk89q.worldedit.world.RegenOptions;
+import com.sk89q.worldedit.world.biome.BiomeCategory;
 import com.sk89q.worldedit.world.biome.BiomeType;
 import com.sk89q.worldedit.world.biome.BiomeTypes;
 import com.sk89q.worldedit.world.block.BaseBlock;
@@ -67,12 +69,13 @@ import com.sk89q.worldedit.world.item.ItemType;
 import net.minecraft.Util;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Holder;
+import net.minecraft.core.HolderSet;
+import net.minecraft.core.Registry;
 import net.minecraft.core.RegistryAccess;
 import net.minecraft.core.component.DataComponentPatch;
 import net.minecraft.core.registries.Registries;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.nbt.NbtOps;
-import net.minecraft.nbt.Tag;
 import net.minecraft.network.protocol.game.ClientboundBlockEntityDataPacket;
 import net.minecraft.network.protocol.game.ClientboundEntityEventPacket;
 import net.minecraft.resources.ResourceKey;
@@ -83,6 +86,7 @@ import net.minecraft.server.level.ChunkResult;
 import net.minecraft.server.level.ServerChunkCache;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.server.level.progress.ChunkProgressListener;
+import net.minecraft.util.RandomSource;
 import net.minecraft.util.StringRepresentable;
 import net.minecraft.util.thread.BlockableEventLoop;
 import net.minecraft.world.Clearable;
@@ -113,6 +117,7 @@ import net.minecraft.world.phys.BlockHitResult;
 import net.minecraft.world.phys.Vec3;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.World;
 import org.bukkit.World.Environment;
 import org.bukkit.block.data.BlockData;
 import org.bukkit.craftbukkit.CraftServer;
@@ -152,6 +157,7 @@ import java.lang.reflect.Method;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;
@@ -183,6 +189,8 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
     private final Field chunkProviderExecutorField;
     private final Watchdog watchdog;
 
+    private static final RandomSource random = RandomSource.create();
+
     // ------------------------------------------------------------------------
     // Code that may break between versions of Minecraft
     // ------------------------------------------------------------------------
@@ -291,14 +299,11 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
     }
 
     private static Block getBlockFromType(BlockType blockType) {
-
+        return DedicatedServer.getServer().registryAccess().registryOrThrow(Registries.BLOCK).get(ResourceLocation.tryParse(blockType.id()));
-        return DedicatedServer.getServer().registryAccess().registryOrThrow(Registries.BLOCK).get(ResourceLocation.tryParse(
-                blockType.id()));
     }
 
     private static Item getItemFromType(ItemType itemType) {
-        return DedicatedServer.getServer().registryAccess().registryOrThrow(Registries.ITEM).get(ResourceLocation.tryParse(
+        return DedicatedServer.getServer().registryAccess().registryOrThrow(Registries.ITEM).get(ResourceLocation.tryParse(itemType.id()));
-                itemType.id()));
     }
 
     @Override
@@ -329,14 +334,18 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
     }
 
     public BiomeType adapt(Biome biome) {
-        var mcBiome = ((CraftServer) Bukkit.getServer()).getServer().registryAccess().registryOrThrow(Registries.BIOME).getKey(
+        var mcBiome = ((CraftServer) Bukkit.getServer()).getServer().registryAccess().registryOrThrow(Registries.BIOME).getKey(biome);
-                biome);
         if (mcBiome == null) {
             return null;
         }
         return BiomeType.REGISTRY.get(mcBiome.toString());
     }
 
+    public net.minecraft.world.level.block.state.BlockState adapt(BlockState blockState) {
+        int internalId = BlockStateIdAccess.getBlockStateId(blockState);
+        return Block.stateById(internalId);
+    }
+
     @Override
     public BlockState getBlock(Location location) {
         checkNotNull(location);
@@ -350,14 +359,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         LevelChunk chunk = handle.getChunk(x >> 4, z >> 4);
         final BlockPos blockPos = new BlockPos(x, y, z);
         final net.minecraft.world.level.block.state.BlockState blockData = chunk.getBlockState(blockPos);
-        int internalId = Block.getId(blockData);
+        return adapt(blockData);
-        BlockState state = BlockStateIdAccess.getBlockStateById(internalId);
-        if (state == null) {
-            org.bukkit.block.Block bukkitBlock = location.getBlock();
-            state = BukkitAdapter.adapt(bukkitBlock.getBlockData());
-        }
-
-        return state;
     }
 
     @Override
@@ -387,7 +389,38 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
     private static final HashMap<Holder<Biome>, BiomeType> biomeTypeFromNMSCache = new HashMap<>();
 
     @Override
-    public WorldNativeAccess<?, ?, ?> createWorldNativeAccess(org.bukkit.World world) {
+    public BiomeType getBiome(Location location) {
+        checkNotNull(location);
+
+        CraftWorld craftWorld = ((CraftWorld) location.getWorld());
+        int x = location.getBlockX();
+        int y = location.getBlockY();
+        int z = location.getBlockZ();
+
+        final ServerLevel handle = craftWorld.getHandle();
+        LevelChunk chunk = handle.getChunk(x >> 4, z >> 4);
+
+        return biomeTypeFromNMSCache.computeIfAbsent(chunk.getNoiseBiome(x >> 2, y >> 2, z >> 2), b -> BiomeType.REGISTRY.get(b.unwrapKey().get().location().toString()));
+    }
+
+    @Override
+    public void setBiome(Location location, BiomeType biome) {
+        checkNotNull(location);
+        checkNotNull(biome);
+
+        CraftWorld craftWorld = ((CraftWorld) location.getWorld());
+        int x = location.getBlockX();
+        int y = location.getBlockY();
+        int z = location.getBlockZ();
+
+        final ServerLevel handle = craftWorld.getHandle();
+        LevelChunk chunk = handle.getChunk(x >> 4, z >> 4);
+        chunk.setBiome(x >> 2, y >> 2, z >> 2, biomeTypeToNMSCache.computeIfAbsent(biome, b -> ((CraftServer) Bukkit.getServer()).getServer().registryAccess().registryOrThrow(Registries.BIOME).getHolderOrThrow(ResourceKey.create(Registries.BIOME, new ResourceLocation(b.id())))));
+        chunk.setUnsaved(true);
+    }
+
+    @Override
+    public WorldNativeAccess<?, ?, ?> createWorldNativeAccess(World world) {
         return new PaperweightWorldNativeAccess(this, new WeakReference<>(((CraftWorld) world).getHandle()));
     }
 
@@ -486,7 +519,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
 
             createdEntity.absMoveTo(location.getX(), location.getY(), location.getZ(), location.getYaw(), location.getPitch());
 
-            worldServer.addFreshEntity(createdEntity, SpawnReason.CUSTOM);
+            worldServer.addFreshEntityWithPassengers(createdEntity, SpawnReason.CUSTOM);
             return createdEntity.getBukkitEntity();
         } else {
             return null;
@@ -527,30 +560,30 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
     @SuppressWarnings({"unchecked", "rawtypes"})
     private static final LoadingCache<net.minecraft.world.level.block.state.properties.Property, Property<?>> PROPERTY_CACHE = CacheBuilder
             .newBuilder()
-            .build(new CacheLoader<net.minecraft.world.level.block.state.properties.Property, Property<?>>() {
+            .build(new CacheLoader<>() {
                 @Override
-                public Property<?> load(net.minecraft.world.level.block.state.properties.Property state) throws Exception {
+                public Property<?> load(net.minecraft.world.level.block.state.properties.Property state) {
                     if (state instanceof net.minecraft.world.level.block.state.properties.BooleanProperty) {
                         return new BooleanProperty(state.getName(), ImmutableList.copyOf(state.getPossibleValues()));
                     } else if (state instanceof DirectionProperty) {
                         return new DirectionalProperty(
                                 state.getName(),
-                                (List<Direction>) state
+                                new ArrayList<>((List<Direction>) state
                                         .getPossibleValues()
                                         .stream()
                                         .map(e -> Direction.valueOf(((StringRepresentable) e)
                                                 .getSerializedName()
                                                 .toUpperCase(Locale.ROOT)))
-                                        .collect(Collectors.toList())
+                                        .toList())
                         );
                     } else if (state instanceof net.minecraft.world.level.block.state.properties.EnumProperty) {
                         return new EnumProperty(
                                 state.getName(),
-                                (List<String>) state
+                                new ArrayList<>((List<String>) state
                                         .getPossibleValues()
                                         .stream()
                                         .map(e -> ((StringRepresentable) e).getSerializedName())
-                                        .collect(Collectors.toList())
+                                        .toList())
                         );
                     } else if (state instanceof net.minecraft.world.level.block.state.properties.IntegerProperty) {
                         return new IntegerProperty(state.getName(), ImmutableList.copyOf(state.getPossibleValues()));
@@ -562,7 +595,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
                 }
             });
 
-    @SuppressWarnings({"rawtypes"})
+    @SuppressWarnings({ "rawtypes" })
     @Override
     public Map<String, ? extends Property<?>> getProperties(BlockType blockType) {
         Map<String, Property<?>> properties = new TreeMap<>();
@@ -597,13 +630,13 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
     }
 
     @Override
-    public org.bukkit.inventory.ItemStack adapt(BaseItemStack item) {
+    public org.bukkit.inventory.ItemStack adapt(BaseItemStack baseItemStack) {
         final RegistryAccess.Frozen registryAccess = DedicatedServer.getServer().registryAccess();
         ItemStack stack = new ItemStack(
-                registryAccess.registryOrThrow(Registries.ITEM).get(ResourceLocation.tryParse(item.getType().id())),
+            registryAccess.registryOrThrow(Registries.ITEM).get(ResourceLocation.tryParse(baseItemStack.getType().id())),
-                item.getAmount()
+            baseItemStack.getAmount()
         );
-        final CompoundTag nbt = (net.minecraft.nbt.CompoundTag) fromNative(item.getNbtData());
+        final CompoundTag nbt = (net.minecraft.nbt.CompoundTag) fromNative(baseItemStack.getNbtData());
         final DataComponentPatch patch = COMPONENTS_CODEC
                 .parse(registryAccess.createSerializationContext(NbtOps.INSTANCE), nbt)
                 .getOrThrow();
@@ -613,9 +646,9 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
 
     @Override
     public BaseItemStack adapt(org.bukkit.inventory.ItemStack itemStack) {
-        final RegistryAccess.Frozen registryAccess = DedicatedServer.getServer().registryAccess();
+        var registryAccess = DedicatedServer.getServer().registryAccess();
         final ItemStack nmsStack = CraftItemStack.asNMSCopy(itemStack);
-        final Tag tag = COMPONENTS_CODEC.encodeStart(
+        CompoundTag tag = (CompoundTag) COMPONENTS_CODEC.encodeStart(
             registryAccess.createSerializationContext(NbtOps.INSTANCE),
             nmsStack.getComponentsPatch()
         ).getOrThrow();
@@ -630,7 +663,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         = CacheBuilder.newBuilder().weakKeys().softValues().build(CacheLoader.from(PaperweightFakePlayer::new));
 
     @Override
-    public boolean simulateItemUse(org.bukkit.World world, BlockVector3 position, BaseItem item, Direction face) {
+    public boolean simulateItemUse(World world, BlockVector3 position, BaseItem item, Direction face) {
         CraftWorld craftWorld = (CraftWorld) world;
         ServerLevel worldServer = craftWorld.getHandle();
         ItemStack stack = CraftItemStack.asNMSCopy(adapt(
@@ -647,8 +680,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         }
         fakePlayer.setItemInHand(InteractionHand.MAIN_HAND, stack);
         fakePlayer.absMoveTo(position.x(), position.y(), position.z(),
-                (float) face.toVector().toYaw(), (float) face.toVector().toPitch()
+            (float) face.toVector().toYaw(), (float) face.toVector().toPitch());
-        );
 
         final BlockPos blockPos = new BlockPos(position.x(), position.y(), position.z());
         final Vec3 blockVec = Vec3.atLowerCornerOf(blockPos);
@@ -657,10 +689,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         UseOnContext context = new UseOnContext(fakePlayer, InteractionHand.MAIN_HAND, rayTrace);
         InteractionResult result = stack.useOn(context);
         if (result != InteractionResult.SUCCESS) {
-            if (worldServer
+            if (worldServer.getBlockState(blockPos).useItemOn(stack, worldServer, fakePlayer, InteractionHand.MAIN_HAND, rayTrace).consumesAction()) {
-                    .getBlockState(blockPos)
-                    .useItemOn(stack, worldServer, fakePlayer, InteractionHand.MAIN_HAND, rayTrace)
-                    .consumesAction()) {
                 result = InteractionResult.SUCCESS;
             } else {
                 result = stack.getItem().use(worldServer, fakePlayer, InteractionHand.MAIN_HAND).getResult();
@@ -671,17 +700,14 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
     }
 
     @Override
-    public boolean canPlaceAt(org.bukkit.World world, BlockVector3 position, BlockState blockState) {
+    public boolean canPlaceAt(World world, BlockVector3 position, BlockState blockState) {
         int internalId = BlockStateIdAccess.getBlockStateId(blockState);
         net.minecraft.world.level.block.state.BlockState blockData = Block.stateById(internalId);
-        return blockData.canSurvive(
+        return blockData.canSurvive(((CraftWorld) world).getHandle(), new BlockPos(position.x(), position.y(), position.z()));
-                ((CraftWorld) world).getHandle(),
-                new BlockPos(position.x(), position.y(), position.z())
-        );
     }
 
     @Override
-    public boolean regenerate(org.bukkit.World bukkitWorld, Region region, Extent extent, RegenOptions options) {
+    public boolean regenerate(World bukkitWorld, Region region, Extent extent, RegenOptions options) {
         try {
             doRegen(bukkitWorld, region, extent, options);
         } catch (Exception e) {
@@ -691,7 +717,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         return true;
     }
 
-    private void doRegen(org.bukkit.World bukkitWorld, Region region, Extent extent, RegenOptions options) throws Exception {
+    private void doRegen(World bukkitWorld, Region region, Extent extent, RegenOptions options) throws Exception {
         Environment env = bukkitWorld.getEnvironment();
         ChunkGenerator gen = bukkitWorld.getGenerator();
 
@@ -719,6 +745,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
                 levelProperties.settings.getDataConfiguration()
             );
 
+            @SuppressWarnings("deprecation")
             PrimaryLevelData.SpecialWorldProperty specialWorldProperty =
                 levelProperties.isFlatWorld()
                     ? PrimaryLevelData.SpecialWorldProperty.FLAT
@@ -726,12 +753,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
                     ? PrimaryLevelData.SpecialWorldProperty.DEBUG
                     : PrimaryLevelData.SpecialWorldProperty.NONE;
 
-            PrimaryLevelData newWorldData = new PrimaryLevelData(
+            PrimaryLevelData newWorldData = new PrimaryLevelData(newWorldSettings, newOpts, specialWorldProperty, Lifecycle.stable());
-                    newWorldSettings,
-                    newOpts,
-                    specialWorldProperty,
-                    Lifecycle.stable()
-            );
 
             ServerLevel freshWorld = new ServerLevel(
                 originalWorld.getServer(),
@@ -760,7 +782,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         } finally {
             try {
                 @SuppressWarnings("unchecked")
-                Map<String, org.bukkit.World> map = (Map<String, org.bukkit.World>) serverWorldsField.get(Bukkit.getServer());
+                Map<String, World> map = (Map<String, World>) serverWorldsField.get(Bukkit.getServer());
                 map.remove("faweregentempworld");
             } catch (IllegalAccessException ignored) {
             }
@@ -777,8 +799,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
     }
 
     @SuppressWarnings("unchecked")
-    private void regenForWorld(Region region, Extent extent, ServerLevel serverWorld, RegenOptions options) throws
+    private void regenForWorld(Region region, Extent extent, ServerLevel serverWorld, RegenOptions options) throws WorldEditException {
-            WorldEditException {
         List<CompletableFuture<ChunkAccess>> chunkLoadings = submitChunkLoadTasks(region, serverWorld);
         BlockableEventLoop<Runnable> executor;
         try {
@@ -873,7 +894,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
     }
 
     @Override
-    public boolean clearContainerBlockContents(org.bukkit.World world, BlockVector3 pt) {
+    public boolean clearContainerBlockContents(World world, BlockVector3 pt) {
         ServerLevel originalWorld = ((CraftWorld) world).getHandle();
 
         BlockEntity entity = originalWorld.getBlockEntity(new BlockPos(pt.x(), pt.y(), pt.z()));
@@ -884,6 +905,45 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         return false;
     }
 
+    @Override
+    public void initializeRegistries() {
+        DedicatedServer server = ((CraftServer) Bukkit.getServer()).getServer();
+        // Biomes
+        for (ResourceLocation name : server.registryAccess().registryOrThrow(Registries.BIOME).keySet()) {
+            if (BiomeType.REGISTRY.get(name.toString()) == null) {
+                BiomeType.REGISTRY.register(name.toString(), new BiomeType(name.toString()));
+            }
+        }
+
+        // BiomeCategories
+        Registry<Biome> biomeRegistry = server.registryAccess().registryOrThrow(Registries.BIOME);
+        biomeRegistry.getTagNames().forEach(tagKey -> {
+            String key = tagKey.location().toString();
+            if (BiomeCategory.REGISTRY.get(key) == null) {
+                BiomeCategory.REGISTRY.register(key, new BiomeCategory(
+                    key,
+                    () -> biomeRegistry.getTag(tagKey)
+                        .stream()
+                        .flatMap(HolderSet.Named::stream)
+                        .map(Holder::value)
+                        .map(this::adapt)
+                        .collect(Collectors.toSet()))
+                );
+            }
+        });
+    }
+
+    @Override
+    public void sendBiomeUpdates(World world, Iterable<BlockVector2> chunks) {
+        ServerLevel originalWorld = ((CraftWorld) world).getHandle();
+
+        List<ChunkAccess> nativeChunks = chunks instanceof Collection<BlockVector2> chunkCollection ? Lists.newArrayListWithCapacity(chunkCollection.size()) : Lists.newArrayList();
+        for (BlockVector2 chunk : chunks) {
+            nativeChunks.add(originalWorld.getChunk(chunk.x(), chunk.z(), ChunkStatus.BIOMES, false));
+        }
+        originalWorld.getChunkSource().chunkMap.resendBiomesForChunks(nativeChunks);
+    }
+
     // ------------------------------------------------------------------------
     // Code that is less likely to break
     // ------------------------------------------------------------------------
@@ -1022,7 +1082,6 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
     }
 
     private class SpigotWatchdog implements Watchdog {
-
         private final Field instanceField;
         private final Field lastTickField;
 
@@ -1047,18 +1106,16 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
                 logger.log(Level.WARNING, "Failed to tick watchdog", e);
             }
         }
-
     }
 
     private static class MojangWatchdog implements Watchdog {
-
         private final DedicatedServer server;
         private final Field tickField;
 
         MojangWatchdog(DedicatedServer server) throws NoSuchFieldException {
             this.server = server;
             Field tickField = MinecraftServer.class.getDeclaredField(
-                    Refraction.pickName("nextTickTime", "ah")
+                Refraction.pickName("nextTickTime", "ag")
             );
             if (tickField.getType() != long.class) {
                 throw new IllegalStateException("nextTickTime is not a long field, mapping is likely incorrect");
@@ -1074,21 +1131,15 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
             } catch (IllegalAccessException ignored) {
             }
         }
-
     }
 
     private static class NoOpWorldLoadListener implements ChunkProgressListener {
-
         @Override
         public void updateSpawnPos(ChunkPos spawnPos) {
         }
 
         @Override
-        public void onStatusChange(
+        public void onStatusChange(ChunkPos pos, @org.jetbrains.annotations.Nullable ChunkStatus status) {
-                final ChunkPos pos,
-                @org.jetbrains.annotations.Nullable final net.minecraft.world.level.chunk.status.ChunkStatus status
-        ) {
-
         }
 
         @Override
@@ -1100,5 +1151,4 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         }
 
     }
-
 }

worldedit-bukkit/adapters/adapter-1_20_5/src/main/java/com/sk89q/worldedit/bukkit/adapter/ext.fawe/v1_20_R4/PaperweightWorldNativeAccess.java

@@ -26,9 +26,11 @@ import com.sk89q.worldedit.util.SideEffect;
 import com.sk89q.worldedit.util.SideEffectSet;
 import com.sk89q.worldedit.world.block.BlockState;
 import net.minecraft.core.BlockPos;
+import net.minecraft.nbt.Tag;
 import net.minecraft.server.level.FullChunkStatus;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.world.level.block.Block;
+import net.minecraft.world.level.block.entity.BlockEntity;
 import net.minecraft.world.level.chunk.LevelChunk;
 import org.bukkit.craftbukkit.CraftWorld;
 import org.bukkit.craftbukkit.block.data.CraftBlockData;
@@ -102,8 +104,15 @@ public class PaperweightWorldNativeAccess implements WorldNativeAccess<LevelChun
 
     @Override
     public boolean updateTileEntity(final BlockPos position, final LinCompoundTag tag) {
+        // We will assume that the tile entity was created for us
+        BlockEntity tileEntity = getWorld().getBlockEntity(position);
+        if (tileEntity == null) {
             return false;
         }
+        Tag nativeTag = adapter.fromNativeLin(tag);
+        PaperweightAdapter.readTagIntoTileEntity((net.minecraft.nbt.CompoundTag) nativeTag, tileEntity);
+        return true;
+    }
 
     @Override
     public void notifyBlockUpdate(LevelChunk chunk, BlockPos position, net.minecraft.world.level.block.state.BlockState oldState, net.minecraft.world.level.block.state.BlockState newState) {
@@ -144,7 +153,12 @@ public class PaperweightWorldNativeAccess implements WorldNativeAccess<LevelChun
         }
     }
 
-    // Not sure why neighborChanged is deprecated
+    @Override
+    public void updateBlock(BlockPos pos, net.minecraft.world.level.block.state.BlockState oldState, net.minecraft.world.level.block.state.BlockState newState) {
+        ServerLevel world = getWorld();
+        newState.onPlace(world, pos, oldState, false);
+    }
+
     private void fireNeighborChanged(BlockPos pos, ServerLevel world, Block block, BlockPos neighborPos) {
         world.getBlockState(neighborPos).handleNeighborChanged(world, neighborPos, block, pos, false);
     }
@@ -152,8 +166,6 @@ public class PaperweightWorldNativeAccess implements WorldNativeAccess<LevelChun
     @Override
     public void updateNeighbors(BlockPos pos, net.minecraft.world.level.block.state.BlockState oldState, net.minecraft.world.level.block.state.BlockState newState, int recursionLimit) {
         ServerLevel world = getWorld();
-        // a == updateNeighbors
-        // b == updateDiagonalNeighbors
         oldState.updateIndirectNeighbourShapes(world, pos, NOTIFY, recursionLimit);
         if (sideEffectSet.shouldApply(SideEffect.EVENTS)) {
             CraftWorld craftWorld = world.getWorld();
@@ -176,5 +188,4 @@ public class PaperweightWorldNativeAccess implements WorldNativeAccess<LevelChun
     public void flush() {
         
     }
-
 }

worldedit-bukkit/adapters/adapter-1_20_5/src/main/java/com/sk89q/worldedit/bukkit/adapter/impl/fawe/v1_20_R4/PaperweightFaweWorldNativeAccess.java

@@ -218,6 +218,12 @@ public class PaperweightFaweWorldNativeAccess implements WorldNativeAccess<Level
         newState.updateIndirectNeighbourShapes(level, blockPos, NOTIFY, recursionLimit);
     }
 
+    @Override
+    public void updateBlock(BlockPos pos, net.minecraft.world.level.block.state.BlockState oldState, net.minecraft.world.level.block.state.BlockState newState) {
+        Level world = getLevel();
+        newState.onPlace(world, pos, oldState, false);
+    }
+
     @Override
     public void onBlockStateChange(
             BlockPos blockPos,

worldedit-bukkit/src/main/java/com/fastasyncworldedit/bukkit/adapter/IDelegateBukkitImplAdapter.java

@@ -8,6 +8,7 @@ import com.sk89q.worldedit.bukkit.BukkitPlayer;
 import com.sk89q.worldedit.bukkit.BukkitWorld;
 import com.sk89q.worldedit.bukkit.adapter.BukkitImplAdapter;
 import com.sk89q.worldedit.entity.BaseEntity;
+import com.sk89q.worldedit.math.BlockVector2;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.math.Vector3;
 import com.sk89q.worldedit.registry.state.Property;
@@ -114,6 +115,26 @@ public interface IDelegateBukkitImplAdapter<T> extends BukkitImplAdapter<T> {
         return getParent().getInternalBlockStateId(state);
     }
 
+    @Override
+    default boolean clearContainerBlockContents(World world, BlockVector3 pt) {
+        return getParent().clearContainerBlockContents(world, pt);
+    }
+
+    @Override
+    default void setBiome(Location location, BiomeType biome) {
+        getParent().setBiome(location, biome);
+    }
+
+    @Override
+    default BiomeType getBiome(Location location) {
+        return getParent().getBiome(location);
+    }
+
+    @Override
+    default void sendBiomeUpdates(World world, Iterable<BlockVector2> chunks) {
+        getParent().sendBiomeUpdates(world, chunks);
+    }
+
     @Override
     default BlockMaterial getMaterial(BlockType blockType) {
         return getParent().getMaterial(blockType);

worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/adapter/BukkitImplAdapter.java

@@ -35,6 +35,7 @@ import com.sk89q.worldedit.bukkit.BukkitAdapter;
 import com.sk89q.worldedit.entity.BaseEntity;
 import com.sk89q.worldedit.extent.Extent;
 import com.sk89q.worldedit.internal.wna.WorldNativeAccess;
+import com.sk89q.worldedit.math.BlockVector2;
 import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.regions.Region;
 import com.sk89q.worldedit.registry.state.Property;
@@ -110,7 +111,7 @@ public interface BukkitImplAdapter<T> extends IBukkitAdapter {
     BlockState getBlock(Location location);
 
     /**
-     * Get the block at the given location.
+     * Get the block with NBT data at the given location.
      *
      * @param location the location
      * @return the block
@@ -280,6 +281,46 @@ public interface BukkitImplAdapter<T> extends IBukkitAdapter {
         throw new UnsupportedOperationException("This adapter does not support clearing block contents.");
     }
 
+    /**
+     * Set the biome at a location.
+     *
+     * @param location the location
+     * @param biome    the new biome
+     */
+    default void setBiome(Location location, BiomeType biome) {
+        throw new UnsupportedOperationException("This adapter does not support custom biomes.");
+    }
+
+    /**
+     * Gets the current biome at a location.
+     *
+     * @param location the location
+     * @return the biome
+     */
+    default BiomeType getBiome(Location location) {
+        throw new UnsupportedOperationException("This adapter does not support custom biomes.");
+    }
+
+    /**
+     * Initialize registries that require NMS access.
+     */
+    default void initializeRegistries() {
+
+    }
+
+    /**
+     * Sends biome updates for the given chunks.
+     *
+     * <p>This doesn't modify biomes at all, it just sends the current state of the biomes
+     * in the world to all of the nearby players, updating the visual representation of the
+     * biomes on their clients.</p>
+     *
+     * @param world  the world
+     * @param chunks a list of chunk coordinates to send biome updates for
+     */
+    default void sendBiomeUpdates(World world, Iterable<BlockVector2> chunks) {
+    }
+
     //FAWE start
     default BlockMaterial getMaterial(BlockType blockType) {
         return getMaterial(blockType.getDefaultState());

worldedit-core/src/main/java/com/fastasyncworldedit/core/extent/clipboard/io/FastSchematicReaderV2.java

@@ -109,26 +109,22 @@ public class FastSchematicReaderV2 extends NBTSchematicReader {
         if (fixer == null || dataVersion == -1) {
             return tag;
         }
-        //FAWE start - LinTag
         return (CompoundTag) LinBusConverter.fromLinBus(fixer.fixUp(
                 DataFixer.FixTypes.BLOCK_ENTITY,
                 tag.toLinTag(),
                 dataVersion
         ));
-        //FAWE end
     }
 
     private CompoundTag fixEntity(CompoundTag tag) {
         if (fixer == null || dataVersion == -1) {
             return tag;
         }
-        //FAWE start - LinTag
         return (CompoundTag) LinBusConverter.fromLinBus(fixer.fixUp(
                 DataFixer.FixTypes.ENTITY,
                 tag.toLinTag(),
                 dataVersion
         ));
-        //FAWE end
     }
 
     private String fixBiome(String biomePalettePart) {

worldedit-core/src/main/java/com/sk89q/worldedit/internal/wna/WorldNativeAccess.java

@@ -146,7 +146,9 @@ public interface WorldNativeAccess<NC, NBS, NP> {
 
     void markBlockChanged(NC chunk, NP position);
 
-    void notifyNeighbors(NP pos, NBS oldState, NBS newState);
+    void notifyNeighbors(NP pos, NBS oldState, NBS newState);;
+
+    void updateBlock(NP pos, NBS oldState, NBS newState);
 
     void updateNeighbors(NP pos, NBS oldState, NBS newState, int recursionLimit);
 

worldedit-core/src/main/java/com/sk89q/worldedit/registry/Category.java

@@ -23,17 +23,25 @@ import com.fastasyncworldedit.core.registry.RegistryItem;
 
 import java.util.HashSet;
 import java.util.Set;
+import java.util.function.Supplier;
 
 //FAWE start - implements RegistryItem
 public abstract class Category<T extends Keyed> implements RegistryItem, Keyed {
 //FAWE end
 
     private final Set<T> set = new HashSet<>();
+    private final Supplier<Set<T>> supplier;
     protected final String id;
     private boolean empty = true;
 
-    protected Category(final String id) {
+    public Category(final String id) {
         this.id = id;
+        this.supplier = null;
+    }
+
+    public Category(String id, Supplier<Set<T>> contentSupplier) {
+        this.id = id;
+        this.supplier = contentSupplier;
     }
 
     @Override
@@ -43,7 +51,11 @@ public abstract class Category<T extends Keyed> implements RegistryItem, Keyed {
 
     public final Set<T> getAll() {
         if (this.empty) {
+            if (supplier != null) {
+                this.set.addAll(this.supplier.get());
+            } else {
                 this.set.addAll(this.load());
+            }
             this.empty = false;
         }
         return this.set;
@@ -62,6 +74,14 @@ public abstract class Category<T extends Keyed> implements RegistryItem, Keyed {
         return internalId;
     }
 
+    /**
+     * Loads the contents of this category from the platform.
+     *
+     * @return The loaded contents of the category
+     * @deprecated The load system will be removed in a future WorldEdit release. The registries should be populated by
+     *     the platforms via the supplier constructor.
+     */
+    @Deprecated
     protected abstract Set<T> load();
     //FAWE end
 

worldedit-core/src/main/java/com/sk89q/worldedit/world/biome/BiomeCategories.java

@@ -0,0 +1,112 @@
+/*
+ * WorldEdit, a Minecraft world manipulation toolkit
+ * Copyright (C) sk89q <http://www.sk89q.com>
+ * Copyright (C) WorldEdit team and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.sk89q.worldedit.world.biome;
+
+/**
+ * Stores a list of common {@link BiomeCategory BiomeCategories}.
+ *
+ * @see BiomeCategory
+ */
+@SuppressWarnings("unused")
+public final class BiomeCategories {
+    public static final BiomeCategory ALLOWS_SURFACE_SLIME_SPAWNS = get("minecraft:allows_surface_slime_spawns");
+    public static final BiomeCategory ALLOWS_TROPICAL_FISH_SPAWNS_AT_ANY_HEIGHT = get("minecraft:allows_tropical_fish_spawns_at_any_height");
+    public static final BiomeCategory HAS_CLOSER_WATER_FOG = get("minecraft:has_closer_water_fog");
+    public static final BiomeCategory HAS_STRUCTURE_ANCIENT_CITY = get("minecraft:has_structure/ancient_city");
+    public static final BiomeCategory HAS_STRUCTURE_BASTION_REMNANT = get("minecraft:has_structure/bastion_remnant");
+    public static final BiomeCategory HAS_STRUCTURE_BURIED_TREASURE = get("minecraft:has_structure/buried_treasure");
+    public static final BiomeCategory HAS_STRUCTURE_DESERT_PYRAMID = get("minecraft:has_structure/desert_pyramid");
+    public static final BiomeCategory HAS_STRUCTURE_END_CITY = get("minecraft:has_structure/end_city");
+    public static final BiomeCategory HAS_STRUCTURE_IGLOO = get("minecraft:has_structure/igloo");
+    public static final BiomeCategory HAS_STRUCTURE_JUNGLE_TEMPLE = get("minecraft:has_structure/jungle_temple");
+    public static final BiomeCategory HAS_STRUCTURE_MINESHAFT = get("minecraft:has_structure/mineshaft");
+    public static final BiomeCategory HAS_STRUCTURE_MINESHAFT_MESA = get("minecraft:has_structure/mineshaft_mesa");
+    public static final BiomeCategory HAS_STRUCTURE_NETHER_FORTRESS = get("minecraft:has_structure/nether_fortress");
+    public static final BiomeCategory HAS_STRUCTURE_NETHER_FOSSIL = get("minecraft:has_structure/nether_fossil");
+    public static final BiomeCategory HAS_STRUCTURE_OCEAN_MONUMENT = get("minecraft:has_structure/ocean_monument");
+    public static final BiomeCategory HAS_STRUCTURE_OCEAN_RUIN_COLD = get("minecraft:has_structure/ocean_ruin_cold");
+    public static final BiomeCategory HAS_STRUCTURE_OCEAN_RUIN_WARM = get("minecraft:has_structure/ocean_ruin_warm");
+    public static final BiomeCategory HAS_STRUCTURE_PILLAGER_OUTPOST = get("minecraft:has_structure/pillager_outpost");
+    public static final BiomeCategory HAS_STRUCTURE_RUINED_PORTAL_DESERT = get("minecraft:has_structure/ruined_portal_desert");
+    public static final BiomeCategory HAS_STRUCTURE_RUINED_PORTAL_JUNGLE = get("minecraft:has_structure/ruined_portal_jungle");
+    public static final BiomeCategory HAS_STRUCTURE_RUINED_PORTAL_MOUNTAIN = get("minecraft:has_structure/ruined_portal_mountain");
+    public static final BiomeCategory HAS_STRUCTURE_RUINED_PORTAL_NETHER = get("minecraft:has_structure/ruined_portal_nether");
+    public static final BiomeCategory HAS_STRUCTURE_RUINED_PORTAL_OCEAN = get("minecraft:has_structure/ruined_portal_ocean");
+    public static final BiomeCategory HAS_STRUCTURE_RUINED_PORTAL_STANDARD = get("minecraft:has_structure/ruined_portal_standard");
+    public static final BiomeCategory HAS_STRUCTURE_RUINED_PORTAL_SWAMP = get("minecraft:has_structure/ruined_portal_swamp");
+    public static final BiomeCategory HAS_STRUCTURE_SHIPWRECK = get("minecraft:has_structure/shipwreck");
+    public static final BiomeCategory HAS_STRUCTURE_SHIPWRECK_BEACHED = get("minecraft:has_structure/shipwreck_beached");
+    public static final BiomeCategory HAS_STRUCTURE_STRONGHOLD = get("minecraft:has_structure/stronghold");
+    public static final BiomeCategory HAS_STRUCTURE_SWAMP_HUT = get("minecraft:has_structure/swamp_hut");
+    public static final BiomeCategory HAS_STRUCTURE_TRAIL_RUINS = get("minecraft:has_structure/trail_ruins");
+    public static final BiomeCategory HAS_STRUCTURE_VILLAGE_DESERT = get("minecraft:has_structure/village_desert");
+    public static final BiomeCategory HAS_STRUCTURE_VILLAGE_PLAINS = get("minecraft:has_structure/village_plains");
+    public static final BiomeCategory HAS_STRUCTURE_VILLAGE_SAVANNA = get("minecraft:has_structure/village_savanna");
+    public static final BiomeCategory HAS_STRUCTURE_VILLAGE_SNOWY = get("minecraft:has_structure/village_snowy");
+    public static final BiomeCategory HAS_STRUCTURE_VILLAGE_TAIGA = get("minecraft:has_structure/village_taiga");
+    public static final BiomeCategory HAS_STRUCTURE_WOODLAND_MANSION = get("minecraft:has_structure/woodland_mansion");
+    public static final BiomeCategory INCREASED_FIRE_BURNOUT = get("minecraft:increased_fire_burnout");
+    public static final BiomeCategory IS_BADLANDS = get("minecraft:is_badlands");
+    public static final BiomeCategory IS_BEACH = get("minecraft:is_beach");
+    public static final BiomeCategory IS_DEEP_OCEAN = get("minecraft:is_deep_ocean");
+    public static final BiomeCategory IS_END = get("minecraft:is_end");
+    public static final BiomeCategory IS_FOREST = get("minecraft:is_forest");
+    public static final BiomeCategory IS_HILL = get("minecraft:is_hill");
+    public static final BiomeCategory IS_JUNGLE = get("minecraft:is_jungle");
+    public static final BiomeCategory IS_MOUNTAIN = get("minecraft:is_mountain");
+    public static final BiomeCategory IS_NETHER = get("minecraft:is_nether");
+    public static final BiomeCategory IS_OCEAN = get("minecraft:is_ocean");
+    public static final BiomeCategory IS_OVERWORLD = get("minecraft:is_overworld");
+    public static final BiomeCategory IS_RIVER = get("minecraft:is_river");
+    public static final BiomeCategory IS_SAVANNA = get("minecraft:is_savanna");
+    public static final BiomeCategory IS_TAIGA = get("minecraft:is_taiga");
+    public static final BiomeCategory MINESHAFT_BLOCKING = get("minecraft:mineshaft_blocking");
+    public static final BiomeCategory MORE_FREQUENT_DROWNED_SPAWNS = get("minecraft:more_frequent_drowned_spawns");
+    public static final BiomeCategory PLAYS_UNDERWATER_MUSIC = get("minecraft:plays_underwater_music");
+    public static final BiomeCategory POLAR_BEARS_SPAWN_ON_ALTERNATE_BLOCKS = get("minecraft:polar_bears_spawn_on_alternate_blocks");
+    public static final BiomeCategory PRODUCES_CORALS_FROM_BONEMEAL = get("minecraft:produces_corals_from_bonemeal");
+    public static final BiomeCategory REDUCE_WATER_AMBIENT_SPAWNS = get("minecraft:reduce_water_ambient_spawns");
+    public static final BiomeCategory REQUIRED_OCEAN_MONUMENT_SURROUNDING = get("minecraft:required_ocean_monument_surrounding");
+    public static final BiomeCategory SNOW_GOLEM_MELTS = get("minecraft:snow_golem_melts");
+    public static final BiomeCategory SPAWNS_COLD_VARIANT_FROGS = get("minecraft:spawns_cold_variant_frogs");
+    public static final BiomeCategory SPAWNS_GOLD_RABBITS = get("minecraft:spawns_gold_rabbits");
+    public static final BiomeCategory SPAWNS_SNOW_FOXES = get("minecraft:spawns_snow_foxes");
+    public static final BiomeCategory SPAWNS_WARM_VARIANT_FROGS = get("minecraft:spawns_warm_variant_frogs");
+    public static final BiomeCategory SPAWNS_WHITE_RABBITS = get("minecraft:spawns_white_rabbits");
+    public static final BiomeCategory STRONGHOLD_BIASED_TO = get("minecraft:stronghold_biased_to");
+    public static final BiomeCategory WATER_ON_MAP_OUTLINES = get("minecraft:water_on_map_outlines");
+    public static final BiomeCategory WITHOUT_PATROL_SPAWNS = get("minecraft:without_patrol_spawns");
+    public static final BiomeCategory WITHOUT_WANDERING_TRADER_SPAWNS = get("minecraft:without_wandering_trader_spawns");
+    public static final BiomeCategory WITHOUT_ZOMBIE_SIEGES = get("minecraft:without_zombie_sieges");
+
+    private BiomeCategories() {
+    }
+
+    /**
+     * Gets the {@link BiomeCategory} associated with the given id.
+     */
+    public static BiomeCategory get(String id) {
+        BiomeCategory entry = BiomeCategory.REGISTRY.get(id);
+        if (entry == null) {
+            return new BiomeCategory(id);
+        }
+        return entry;
+    }
+}

worldedit-core/src/main/java/com/sk89q/worldedit/world/biome/BiomeCategory.java

@@ -0,0 +1,49 @@
+/*
+ * WorldEdit, a Minecraft world manipulation toolkit
+ * Copyright (C) sk89q <http://www.sk89q.com>
+ * Copyright (C) WorldEdit team and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.sk89q.worldedit.world.biome;
+
+import com.sk89q.worldedit.registry.Category;
+import com.sk89q.worldedit.registry.Keyed;
+import com.sk89q.worldedit.registry.NamespacedRegistry;
+
+import java.util.Set;
+import java.util.function.Supplier;
+
+/**
+ * A category of biomes.
+ */
+public class BiomeCategory extends Category<BiomeType> implements Keyed {
+
+    public static final NamespacedRegistry<BiomeCategory> REGISTRY = new NamespacedRegistry<>("biome tag", true);
+
+    public BiomeCategory(final String id) {
+        super(id);
+    }
+
+    public BiomeCategory(final String id, final Supplier<Set<BiomeType>> contentSupplier) {
+        super(id, contentSupplier);
+    }
+
+    @Override
+    protected Set<BiomeType> load() {
+        return Set.of();
+    }
+
+}