Add a BiomeCategories API (#2338)

* Add a BiomeCategories API

* licenses

* Use a supplier to retain the lazy-load & dynamicness of the existing system, but still retaining the inversion of control that this PR was intended to provide

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

@@ -71,6 +71,7 @@ import com.sk89q.worldedit.util.nbt.ShortBinaryTag;
 import com.sk89q.worldedit.util.nbt.StringBinaryTag;
 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;
@@ -81,6 +82,9 @@ 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;
@@ -137,6 +141,7 @@ import org.bukkit.generator.ChunkGenerator;
 import org.spigotmc.SpigotConfig;
 import org.spigotmc.WatchdogThread;
 
+import javax.annotation.Nullable;
 import java.lang.ref.WeakReference;
 import java.lang.reflect.Field;
 import java.lang.reflect.InvocationTargetException;
@@ -158,7 +163,6 @@ import java.util.concurrent.ExecutionException;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 import java.util.stream.Collectors;
-import javax.annotation.Nullable;
 
 import static com.google.common.base.Preconditions.checkNotNull;
 import static com.google.common.base.Preconditions.checkState;
@@ -290,6 +294,14 @@ 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();
@@ -804,6 +816,34 @@ 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

@@ -35,9 +35,9 @@ import org.bukkit.craftbukkit.v1_19_R3.CraftWorld;
 import org.bukkit.craftbukkit.v1_19_R3.block.data.CraftBlockData;
 import org.bukkit.event.block.BlockPhysicsEvent;
 
+import javax.annotation.Nullable;
 import java.lang.ref.WeakReference;
 import java.util.Objects;
-import javax.annotation.Nullable;
 
 public class PaperweightWorldNativeAccess implements WorldNativeAccess<LevelChunk, net.minecraft.world.level.block.state.BlockState, BlockPos> {
     private static final int UPDATE = 1;
@@ -144,6 +144,12 @@ 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

@@ -308,6 +308,29 @@ 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);
@@ -577,17 +600,6 @@ 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(
@@ -865,7 +877,73 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
                 BiomeType.REGISTRY.register(name.toString(), new BiomeType(name.toString()));
             }
         }
+<<<<<<< HEAD:worldedit-bukkit/adapters/adapter-1_20/src/main/java/com/sk89q/worldedit/bukkit/adapter/ext/fawe/v1_20_R1/PaperweightAdapter.java
     }*
+=======
+
+        // Features
+        for (ResourceLocation name: server.registryAccess().registryOrThrow(Registries.CONFIGURED_FEATURE).keySet()) {
+            if (ConfiguredFeatureType.REGISTRY.get(name.toString()) == null) {
+                ConfiguredFeatureType.REGISTRY.register(name.toString(), new ConfiguredFeatureType(name.toString()));
+            }
+        }
+
+        // Structures
+        for (ResourceLocation name : server.registryAccess().registryOrThrow(Registries.STRUCTURE).keySet()) {
+            if (StructureType.REGISTRY.get(name.toString()) == null) {
+                StructureType.REGISTRY.register(name.toString(), new StructureType(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()))
+                );
+            }
+        });
+    }
+
+    public boolean generateFeature(ConfiguredFeatureType type, World world, EditSession session, BlockVector3 pt) {
+        ServerLevel originalWorld = ((CraftWorld) world).getHandle();
+        ConfiguredFeature<?, ?> k = originalWorld.registryAccess().registryOrThrow(Registries.CONFIGURED_FEATURE).get(ResourceLocation.tryParse(type.getId()));
+        ServerChunkCache chunkManager = originalWorld.getChunkSource();
+        WorldGenLevel proxyLevel = PaperweightServerLevelDelegateProxy.newInstance(session, originalWorld, this);
+        return k != null && k.place(proxyLevel, chunkManager.getGenerator(), random, new BlockPos(pt.getBlockX(), pt.getBlockY(), pt.getBlockZ()));
+    }
+
+    public boolean generateStructure(StructureType type, World world, EditSession session, BlockVector3 pt) {
+        ServerLevel originalWorld = ((CraftWorld) world).getHandle();
+        Structure k = originalWorld.registryAccess().registryOrThrow(Registries.STRUCTURE).get(ResourceLocation.tryParse(type.getId()));
+        if (k == null) {
+            return false;
+        }
+
+        ServerChunkCache chunkManager = originalWorld.getChunkSource();
+        WorldGenLevel proxyLevel = PaperweightServerLevelDelegateProxy.newInstance(session, originalWorld, this);
+        ChunkPos chunkPos = new ChunkPos(new BlockPos(pt.getBlockX(), pt.getBlockY(), pt.getBlockZ()));
+        StructureStart structureStart = k.generate(originalWorld.registryAccess(), chunkManager.getGenerator(), chunkManager.getGenerator().getBiomeSource(), chunkManager.randomState(), originalWorld.getStructureManager(), originalWorld.getSeed(), chunkPos, 0, proxyLevel, biome -> true);
+
+        if (!structureStart.isValid()) {
+            return false;
+        } else {
+            BoundingBox boundingBox = structureStart.getBoundingBox();
+            ChunkPos min = new ChunkPos(SectionPos.blockToSectionCoord(boundingBox.minX()), SectionPos.blockToSectionCoord(boundingBox.minZ()));
+            ChunkPos max = new ChunkPos(SectionPos.blockToSectionCoord(boundingBox.maxX()), SectionPos.blockToSectionCoord(boundingBox.maxZ()));
+            ChunkPos.rangeClosed(min, max).forEach((chunkPosx) -> structureStart.placeInChunk(proxyLevel, originalWorld.structureManager(), chunkManager.getGenerator(), originalWorld.getRandom(), new BoundingBox(chunkPosx.getMinBlockX(), originalWorld.getMinBuildHeight(), chunkPosx.getMinBlockZ(), chunkPosx.getMaxBlockX(), originalWorld.getMaxBuildHeight(), chunkPosx.getMaxBlockZ()), chunkPosx));
+            return true;
+        }
+    }
+>>>>>>> 61363821b (Add a BiomeCategories API (#2338)):worldedit-bukkit/adapters/adapter-1.20/src/main/java/com/sk89q/worldedit/bukkit/adapter/impl/v1_20_R1/PaperweightAdapter.java
 
     // ------------------------------------------------------------------------
     // 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

@@ -19,12 +19,12 @@
 
 package com.sk89q.worldedit.bukkit.adapter.ext.fawe.v1_20_R1;
 
-import com.sk89q.worldedit.util.nbt.CompoundBinaryTag;
 import com.sk89q.worldedit.bukkit.BukkitAdapter;
 import com.sk89q.worldedit.internal.block.BlockStateIdAccess;
 import com.sk89q.worldedit.internal.wna.WorldNativeAccess;
 import com.sk89q.worldedit.util.SideEffect;
 import com.sk89q.worldedit.util.SideEffectSet;
+import com.sk89q.worldedit.util.nbt.CompoundBinaryTag;
 import com.sk89q.worldedit.world.block.BlockState;
 import net.minecraft.core.BlockPos;
 import net.minecraft.server.level.FullChunkStatus;
@@ -35,9 +35,9 @@ import org.bukkit.craftbukkit.v1_20_R1.CraftWorld;
 import org.bukkit.craftbukkit.v1_20_R1.block.data.CraftBlockData;
 import org.bukkit.event.block.BlockPhysicsEvent;
 
+import javax.annotation.Nullable;
 import java.lang.ref.WeakReference;
 import java.util.Objects;
-import javax.annotation.Nullable;
 
 public class PaperweightWorldNativeAccess implements WorldNativeAccess<LevelChunk, net.minecraft.world.level.block.state.BlockState, BlockPos> {
     private static final int UPDATE = 1;
@@ -144,6 +144,12 @@ 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

@@ -15,9 +15,8 @@ import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.server.MinecraftServer;
-import net.minecraft.server.level.ChunkHolder;
-import net.minecraft.server.level.ServerChunkCache;
 import net.minecraft.server.level.FullChunkStatus;
+import net.minecraft.server.level.ServerChunkCache;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.block.Block;
 import net.minecraft.world.level.block.entity.BlockEntity;
@@ -218,6 +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;
@@ -70,6 +71,7 @@ import com.sk89q.worldedit.util.nbt.ShortBinaryTag;
 import com.sk89q.worldedit.util.nbt.StringBinaryTag;
 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;
@@ -81,6 +83,8 @@ 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;
@@ -92,6 +96,7 @@ 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;
@@ -122,6 +127,7 @@ 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;
@@ -137,6 +143,7 @@ import org.bukkit.generator.ChunkGenerator;
 import org.spigotmc.SpigotConfig;
 import org.spigotmc.WatchdogThread;
 
+import javax.annotation.Nullable;
 import java.lang.ref.WeakReference;
 import java.lang.reflect.Field;
 import java.lang.reflect.InvocationTargetException;
@@ -144,6 +151,7 @@ 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;
@@ -158,7 +166,6 @@ import java.util.concurrent.ExecutionException;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 import java.util.stream.Collectors;
-import javax.annotation.Nullable;
 
 import static com.google.common.base.Preconditions.checkNotNull;
 import static com.google.common.base.Preconditions.checkState;
@@ -172,6 +179,8 @@ 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
     // ------------------------------------------------------------------------
@@ -216,7 +225,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
 
         try {
             Class.forName("org.spigotmc.SpigotConfig");
-            SpigotConfig.config.set("world-settings.faweregentempworld.verbose", false);
+            SpigotConfig.config.set("world-settings.worldeditregentempworld.verbose", false);
         } catch (ClassNotFoundException ignored) {
         }
     }
@@ -280,7 +289,6 @@ 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()));
     }
 
@@ -305,6 +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);
@@ -318,14 +349,7 @@ 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
@@ -355,8 +379,40 @@ 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) {
@@ -500,10 +556,10 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
                 return new BooleanProperty(state.getName(), ImmutableList.copyOf(state.getPossibleValues()));
             } else if (state instanceof DirectionProperty) {
                 return new DirectionalProperty(state.getName(),
-                        (List<Direction>) state.getPossibleValues().stream().map(e -> Direction.valueOf(((StringRepresentable) e).getSerializedName().toUpperCase(Locale.ROOT))).collect(Collectors.toList()));
+                    (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(),
-                        (List<String>) state.getPossibleValues().stream().map(e -> ((StringRepresentable) e).getSerializedName()).collect(Collectors.toList()));
+                    (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 {
@@ -601,14 +657,14 @@ 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) {
@@ -618,14 +674,14 @@ 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();
 
         Path tempDir = Files.createTempDirectory("WorldEditWorldGen");
         LevelStorageSource levelStorage = LevelStorageSource.createDefault(tempDir);
         ResourceKey<LevelStem> worldDimKey = getWorldDimKey(env);
-        try (LevelStorageSource.LevelStorageAccess session = levelStorage.createAccess("faweregentempworld", worldDimKey)) {
+        try (LevelStorageSource.LevelStorageAccess session = levelStorage.createAccess("worldeditregentempworld", worldDimKey)) {
             ServerLevel originalWorld = ((CraftWorld) bukkitWorld).getHandle();
             PrimaryLevelData levelProperties = (PrimaryLevelData) originalWorld.getServer()
                 .getWorldData().overworldData();
@@ -637,7 +693,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
                 : originalOpts;
 
             LevelSettings newWorldSettings = new LevelSettings(
-                    "faweregentempworld",
+                "worldeditregentempworld",
                 levelProperties.settings.gameType(),
                 levelProperties.settings.hardcore(),
                 levelProperties.settings.difficulty(),
@@ -646,6 +702,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
                 levelProperties.settings.getDataConfiguration()
             );
 
+            @SuppressWarnings("deprecation")
             PrimaryLevelData.SpecialWorldProperty specialWorldProperty =
                 levelProperties.isFlatWorld()
                     ? PrimaryLevelData.SpecialWorldProperty.FLAT
@@ -682,8 +739,8 @@ 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");
+                map.remove("worldeditregentempworld");
             } catch (IllegalAccessException ignored) {
             }
             SafeFiles.tryHardToDeleteDir(tempDir);
@@ -794,7 +851,7 @@ 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()));
@@ -805,6 +862,45 @@ 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
     // ------------------------------------------------------------------------
@@ -977,7 +1073,7 @@ 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

@@ -27,17 +27,19 @@ import com.sk89q.worldedit.util.SideEffectSet;
 import com.sk89q.worldedit.util.nbt.CompoundBinaryTag;
 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;
 import org.bukkit.event.block.BlockPhysicsEvent;
 
+import javax.annotation.Nullable;
 import java.lang.ref.WeakReference;
 import java.util.Objects;
-import javax.annotation.Nullable;
 
 public class PaperweightWorldNativeAccess implements WorldNativeAccess<LevelChunk, net.minecraft.world.level.block.state.BlockState, BlockPos> {
     private static final int UPDATE = 1;
@@ -102,8 +104,15 @@ public class PaperweightWorldNativeAccess implements WorldNativeAccess<LevelChun
 
     @Override
     public boolean updateTileEntity(final BlockPos position, final CompoundBinaryTag 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.fromNativeBinary(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

@@ -15,9 +15,8 @@ import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.server.MinecraftServer;
-import net.minecraft.server.level.ChunkHolder;
-import net.minecraft.server.level.ServerChunkCache;
 import net.minecraft.server.level.FullChunkStatus;
+import net.minecraft.server.level.ServerChunkCache;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.block.Block;
 import net.minecraft.world.level.block.entity.BlockEntity;
@@ -218,6 +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;
@@ -70,6 +71,7 @@ import com.sk89q.worldedit.util.nbt.ShortBinaryTag;
 import com.sk89q.worldedit.util.nbt.StringBinaryTag;
 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;
@@ -81,6 +83,8 @@ 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;
@@ -92,6 +96,7 @@ 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;
@@ -122,6 +127,7 @@ 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;
@@ -137,6 +143,7 @@ import org.bukkit.generator.ChunkGenerator;
 import org.spigotmc.SpigotConfig;
 import org.spigotmc.WatchdogThread;
 
+import javax.annotation.Nullable;
 import java.lang.ref.WeakReference;
 import java.lang.reflect.Field;
 import java.lang.reflect.InvocationTargetException;
@@ -144,6 +151,7 @@ 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;
@@ -158,7 +166,6 @@ import java.util.concurrent.ExecutionException;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 import java.util.stream.Collectors;
-import javax.annotation.Nullable;
 
 import static com.google.common.base.Preconditions.checkNotNull;
 import static com.google.common.base.Preconditions.checkState;
@@ -172,6 +179,8 @@ 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
     // ------------------------------------------------------------------------
@@ -216,7 +225,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
 
         try {
             Class.forName("org.spigotmc.SpigotConfig");
-            SpigotConfig.config.set("world-settings.faweregentempworld.verbose", false);
+            SpigotConfig.config.set("world-settings.worldeditregentempworld.verbose", false);
         } catch (ClassNotFoundException ignored) {
         }
     }
@@ -280,7 +289,6 @@ 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()));
     }
 
@@ -305,6 +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);
@@ -318,14 +349,7 @@ 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
@@ -355,7 +379,38 @@ 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()));
     }
 
@@ -500,10 +555,10 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
                 return new BooleanProperty(state.getName(), ImmutableList.copyOf(state.getPossibleValues()));
             } else if (state instanceof DirectionProperty) {
                 return new DirectionalProperty(state.getName(),
-                        (List<Direction>) state.getPossibleValues().stream().map(e -> Direction.valueOf(((StringRepresentable) e).getSerializedName().toUpperCase(Locale.ROOT))).collect(Collectors.toList()));
+                    (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(),
-                        (List<String>) state.getPossibleValues().stream().map(e -> ((StringRepresentable) e).getSerializedName()).collect(Collectors.toList()));
+                    (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 {
@@ -601,14 +656,14 @@ 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) {
@@ -618,14 +673,14 @@ 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();
 
         Path tempDir = Files.createTempDirectory("WorldEditWorldGen");
         LevelStorageSource levelStorage = LevelStorageSource.createDefault(tempDir);
         ResourceKey<LevelStem> worldDimKey = getWorldDimKey(env);
-        try (LevelStorageSource.LevelStorageAccess session = levelStorage.createAccess("faweregentempworld", worldDimKey)) {
+        try (LevelStorageSource.LevelStorageAccess session = levelStorage.createAccess("worldeditregentempworld", worldDimKey)) {
             ServerLevel originalWorld = ((CraftWorld) bukkitWorld).getHandle();
             PrimaryLevelData levelProperties = (PrimaryLevelData) originalWorld.getServer()
                 .getWorldData().overworldData();
@@ -637,7 +692,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
                 : originalOpts;
 
             LevelSettings newWorldSettings = new LevelSettings(
-                    "faweregentempworld",
+                "worldeditregentempworld",
                 levelProperties.settings.gameType(),
                 levelProperties.settings.hardcore(),
                 levelProperties.settings.difficulty(),
@@ -646,6 +701,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
                 levelProperties.settings.getDataConfiguration()
             );
 
+            @SuppressWarnings("deprecation")
             PrimaryLevelData.SpecialWorldProperty specialWorldProperty =
                 levelProperties.isFlatWorld()
                     ? PrimaryLevelData.SpecialWorldProperty.FLAT
@@ -682,8 +738,8 @@ 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");
+                map.remove("worldeditregentempworld");
             } catch (IllegalAccessException ignored) {
             }
             SafeFiles.tryHardToDeleteDir(tempDir);
@@ -794,7 +850,7 @@ 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()));
@@ -805,6 +861,45 @@ 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
     // ------------------------------------------------------------------------
@@ -977,7 +1072,7 @@ 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

@@ -27,17 +27,19 @@ import com.sk89q.worldedit.util.SideEffectSet;
 import com.sk89q.worldedit.util.nbt.CompoundBinaryTag;
 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_R3.CraftWorld;
 import org.bukkit.craftbukkit.v1_20_R3.block.data.CraftBlockData;
 import org.bukkit.event.block.BlockPhysicsEvent;
 
+import javax.annotation.Nullable;
 import java.lang.ref.WeakReference;
 import java.util.Objects;
-import javax.annotation.Nullable;
 
 public class PaperweightWorldNativeAccess implements WorldNativeAccess<LevelChunk, net.minecraft.world.level.block.state.BlockState, BlockPos> {
     private static final int UPDATE = 1;
@@ -102,8 +104,15 @@ public class PaperweightWorldNativeAccess implements WorldNativeAccess<LevelChun
 
     @Override
     public boolean updateTileEntity(final BlockPos position, final CompoundBinaryTag 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.fromNativeBinary(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();
@@ -177,5 +190,4 @@ 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

@@ -15,8 +15,8 @@ import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.server.MinecraftServer;
-import net.minecraft.server.level.ServerChunkCache;
 import net.minecraft.server.level.FullChunkStatus;
+import net.minecraft.server.level.ServerChunkCache;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.block.Block;
 import net.minecraft.world.level.block.entity.BlockEntity;
@@ -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;
@@ -70,6 +71,7 @@ import com.sk89q.worldedit.util.nbt.ShortBinaryTag;
 import com.sk89q.worldedit.util.nbt.StringBinaryTag;
 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;
@@ -81,12 +83,13 @@ 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;
@@ -97,6 +100,7 @@ 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;
@@ -127,6 +131,7 @@ 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;
@@ -142,6 +147,7 @@ import org.bukkit.generator.ChunkGenerator;
 import org.spigotmc.SpigotConfig;
 import org.spigotmc.WatchdogThread;
 
+import javax.annotation.Nullable;
 import java.lang.ref.WeakReference;
 import java.lang.reflect.Field;
 import java.lang.reflect.InvocationTargetException;
@@ -149,6 +155,7 @@ 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;
@@ -163,7 +170,6 @@ import java.util.concurrent.ExecutionException;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 import java.util.stream.Collectors;
-import javax.annotation.Nullable;
 
 import static com.google.common.base.Preconditions.checkNotNull;
 import static com.google.common.base.Preconditions.checkState;
@@ -181,6 +187,8 @@ 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
     // ------------------------------------------------------------------------
@@ -225,7 +233,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
 
         try {
             Class.forName("org.spigotmc.SpigotConfig");
-            SpigotConfig.config.set("world-settings.faweregentempworld.verbose", false);
+            SpigotConfig.config.set("world-settings.worldeditregentempworld.verbose", false);
         } catch (ClassNotFoundException ignored) {
         }
     }
@@ -289,14 +297,11 @@ 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
@@ -327,14 +332,18 @@ 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);
@@ -348,14 +357,7 @@ 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
@@ -385,7 +387,38 @@ 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()));
     }
 
@@ -484,7 +517,7 @@ 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;
@@ -522,45 +555,27 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         return TranslatableComponent.of(CraftItemStack.asNMSCopy(BukkitAdapter.adapt(itemStack)).getDescriptionId());
     }
 
-    @SuppressWarnings({"unchecked", "rawtypes"})
+    @SuppressWarnings({ "unchecked", "rawtypes" })
-    private static final LoadingCache<net.minecraft.world.level.block.state.properties.Property, Property<?>> PROPERTY_CACHE = CacheBuilder
+    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<?>>() {
-            .newBuilder()
-            .build(new CacheLoader<net.minecraft.world.level.block.state.properties.Property, Property<?>>() {
         @Override
         public Property<?> load(net.minecraft.world.level.block.state.properties.Property state) throws Exception {
             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(
+                return new DirectionalProperty(state.getName(),
-                                state.getName(),
+                    (List<Direction>) state.getPossibleValues().stream().map(e -> Direction.valueOf(((StringRepresentable) e).getSerializedName().toUpperCase(Locale.ROOT))).toList());
-                                (List<Direction>) state
-                                        .getPossibleValues()
-                                        .stream()
-                                        .map(e -> Direction.valueOf(((StringRepresentable) e)
-                                                .getSerializedName()
-                                                .toUpperCase(Locale.ROOT)))
-                                        .collect(Collectors.toList())
-                        );
             } else if (state instanceof net.minecraft.world.level.block.state.properties.EnumProperty) {
-                        return new EnumProperty(
+                return new EnumProperty(state.getName(),
-                                state.getName(),
+                    (List<String>) state.getPossibleValues().stream().map(e -> ((StringRepresentable) e).getSerializedName()).toList());
-                                (List<String>) state
-                                        .getPossibleValues()
-                                        .stream()
-                                        .map(e -> ((StringRepresentable) e).getSerializedName())
-                                        .collect(Collectors.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
+                throw new IllegalArgumentException("WorldEdit needs an update to support " + state.getClass().getSimpleName());
-                                .getClass()
-                                .getSimpleName());
             }
         }
     });
 
-    @SuppressWarnings({"rawtypes"})
+    @SuppressWarnings({ "rawtypes" })
     @Override
     public Map<String, ? extends Property<?>> getProperties(BlockType blockType) {
         Map<String, Property<?>> properties = new TreeMap<>();
@@ -595,13 +610,13 @@ 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();
@@ -611,9 +626,9 @@ 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();
@@ -628,7 +643,7 @@ 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(
@@ -645,8 +660,7 @@ 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);
@@ -655,10 +669,7 @@ 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();
@@ -669,17 +680,14 @@ 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) {
@@ -689,14 +697,14 @@ 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();
 
         Path tempDir = Files.createTempDirectory("WorldEditWorldGen");
         LevelStorageSource levelStorage = LevelStorageSource.createDefault(tempDir);
         ResourceKey<LevelStem> worldDimKey = getWorldDimKey(env);
-        try (LevelStorageSource.LevelStorageAccess session = levelStorage.createAccess("faweregentempworld", worldDimKey)) {
+        try (LevelStorageSource.LevelStorageAccess session = levelStorage.createAccess("worldeditregentempworld", worldDimKey)) {
             ServerLevel originalWorld = ((CraftWorld) bukkitWorld).getHandle();
             PrimaryLevelData levelProperties = (PrimaryLevelData) originalWorld.getServer()
                 .getWorldData().overworldData();
@@ -708,7 +716,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
                 : originalOpts;
 
             LevelSettings newWorldSettings = new LevelSettings(
-                    "faweregentempworld",
+                "worldeditregentempworld",
                 levelProperties.settings.gameType(),
                 levelProperties.settings.hardcore(),
                 levelProperties.settings.difficulty(),
@@ -717,6 +725,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
                 levelProperties.settings.getDataConfiguration()
             );
 
+            @SuppressWarnings("deprecation")
             PrimaryLevelData.SpecialWorldProperty specialWorldProperty =
                 levelProperties.isFlatWorld()
                     ? PrimaryLevelData.SpecialWorldProperty.FLAT
@@ -724,12 +733,7 @@ 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(),
@@ -758,8 +762,8 @@ 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");
+                map.remove("worldeditregentempworld");
             } catch (IllegalAccessException ignored) {
             }
             SafeFiles.tryHardToDeleteDir(tempDir);
@@ -775,8 +779,7 @@ 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 {
@@ -871,7 +874,7 @@ 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()));
@@ -882,6 +885,45 @@ 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
     // ------------------------------------------------------------------------
@@ -1021,7 +1063,6 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
     }
 
     private class SpigotWatchdog implements Watchdog {
-
         private final Field instanceField;
         private final Field lastTickField;
 
@@ -1046,18 +1087,16 @@ 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");
@@ -1073,21 +1112,15 @@ 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
@@ -1099,5 +1132,4 @@ 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

@@ -27,17 +27,19 @@ import com.sk89q.worldedit.util.SideEffectSet;
 import com.sk89q.worldedit.util.nbt.CompoundBinaryTag;
 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;
 import org.bukkit.event.block.BlockPhysicsEvent;
 
+import javax.annotation.Nullable;
 import java.lang.ref.WeakReference;
 import java.util.Objects;
-import javax.annotation.Nullable;
 
 public class PaperweightWorldNativeAccess implements WorldNativeAccess<LevelChunk, net.minecraft.world.level.block.state.BlockState, BlockPos> {
     private static final int UPDATE = 1;
@@ -102,8 +104,15 @@ public class PaperweightWorldNativeAccess implements WorldNativeAccess<LevelChun
 
     @Override
     public boolean updateTileEntity(final BlockPos position, final CompoundBinaryTag 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.fromNativeBinary(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

@@ -16,8 +16,8 @@ import net.minecraft.core.Direction;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.server.MinecraftServer;
 import net.minecraft.server.dedicated.DedicatedServer;
-import net.minecraft.server.level.ServerChunkCache;
 import net.minecraft.server.level.FullChunkStatus;
+import net.minecraft.server.level.ServerChunkCache;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.block.Block;
 import net.minecraft.world.level.block.entity.BlockEntity;
@@ -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/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/sk89q/worldedit/internal/wna/WorldNativeAccess.java

@@ -151,7 +151,9 @@ 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(final String id, final 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