bring more in line with upstream

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

@@ -29,6 +29,7 @@ import com.google.common.util.concurrent.Futures;
 import com.mojang.datafixers.util.Either;
 import com.mojang.serialization.Lifecycle;
 import com.sk89q.jnbt.NBTConstants;
+import com.sk89q.worldedit.EditSession;
 import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.blocks.BaseItem;
 import com.sk89q.worldedit.blocks.BaseItemStack;
@@ -65,12 +66,15 @@ import com.sk89q.worldedit.world.block.BlockState;
 import com.sk89q.worldedit.world.block.BlockStateHolder;
 import com.sk89q.worldedit.world.block.BlockType;
 import com.sk89q.worldedit.world.block.BlockTypes;
+import com.sk89q.worldedit.world.generation.ConfiguredFeatureType;
+import com.sk89q.worldedit.world.generation.StructureType;
 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.SectionPos;
 import net.minecraft.core.registries.Registries;
 import net.minecraft.network.protocol.game.ClientboundBlockEntityDataPacket;
 import net.minecraft.network.protocol.game.ClientboundEntityEventPacket;
@@ -95,6 +99,7 @@ import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.context.UseOnContext;
 import net.minecraft.world.level.ChunkPos;
 import net.minecraft.world.level.LevelSettings;
+import net.minecraft.world.level.WorldGenLevel;
 import net.minecraft.world.level.biome.Biome;
 import net.minecraft.world.level.block.Block;
 import net.minecraft.world.level.block.Blocks;
@@ -107,6 +112,10 @@ import net.minecraft.world.level.chunk.ChunkStatus;
 import net.minecraft.world.level.chunk.LevelChunk;
 import net.minecraft.world.level.dimension.LevelStem;
 import net.minecraft.world.level.levelgen.WorldOptions;
+import net.minecraft.world.level.levelgen.feature.ConfiguredFeature;
+import net.minecraft.world.level.levelgen.structure.BoundingBox;
+import net.minecraft.world.level.levelgen.structure.Structure;
+import net.minecraft.world.level.levelgen.structure.StructureStart;
 import net.minecraft.world.level.storage.LevelStorageSource;
 import net.minecraft.world.level.storage.PrimaryLevelData;
 import net.minecraft.world.phys.BlockHitResult;
@@ -892,6 +901,20 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
             }
         }
 
+        // 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 -> {
@@ -921,6 +944,39 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         originalWorld.getChunkSource().chunkMap.resendBiomesForChunks(nativeChunks);
     }
 
+    @Override
+    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()));
+    }
+
+    @Override
+    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;
+        }
+    }
+
     // ------------------------------------------------------------------------
     // Code that is less likely to break
     // ------------------------------------------------------------------------

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

@@ -951,6 +951,7 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         return k != null && k.place(proxyLevel, chunkManager.getGenerator(), random, new BlockPos(pt.getBlockX(), pt.getBlockY(), pt.getBlockZ()));
     }
 
+    @Override
     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()));

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

@@ -29,6 +29,7 @@ import com.google.common.util.concurrent.Futures;
 import com.mojang.serialization.Codec;
 import com.mojang.serialization.Lifecycle;
 import com.sk89q.jnbt.NBTConstants;
+import com.sk89q.worldedit.EditSession;
 import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.blocks.BaseItem;
 import com.sk89q.worldedit.blocks.BaseItemStack;
@@ -65,6 +66,8 @@ import com.sk89q.worldedit.world.block.BlockState;
 import com.sk89q.worldedit.world.block.BlockStateHolder;
 import com.sk89q.worldedit.world.block.BlockType;
 import com.sk89q.worldedit.world.block.BlockTypes;
+import com.sk89q.worldedit.world.generation.ConfiguredFeatureType;
+import com.sk89q.worldedit.world.generation.StructureType;
 import com.sk89q.worldedit.world.item.ItemType;
 import net.minecraft.Util;
 import net.minecraft.core.BlockPos;
@@ -73,6 +76,7 @@ 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.SectionPos;
 import net.minecraft.core.registries.Registries;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.nbt.NbtOps;
@@ -99,6 +103,7 @@ import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.context.UseOnContext;
 import net.minecraft.world.level.ChunkPos;
 import net.minecraft.world.level.LevelSettings;
+import net.minecraft.world.level.WorldGenLevel;
 import net.minecraft.world.level.biome.Biome;
 import net.minecraft.world.level.block.Block;
 import net.minecraft.world.level.block.Blocks;
@@ -111,6 +116,10 @@ import net.minecraft.world.level.chunk.LevelChunk;
 import net.minecraft.world.level.chunk.status.ChunkStatus;
 import net.minecraft.world.level.dimension.LevelStem;
 import net.minecraft.world.level.levelgen.WorldOptions;
+import net.minecraft.world.level.levelgen.feature.ConfiguredFeature;
+import net.minecraft.world.level.levelgen.structure.BoundingBox;
+import net.minecraft.world.level.levelgen.structure.Structure;
+import net.minecraft.world.level.levelgen.structure.StructureStart;
 import net.minecraft.world.level.storage.LevelStorageSource;
 import net.minecraft.world.level.storage.PrimaryLevelData;
 import net.minecraft.world.phys.BlockHitResult;
@@ -915,6 +924,20 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
             }
         }
 
+        // 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 -> {
@@ -944,6 +967,39 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         originalWorld.getChunkSource().chunkMap.resendBiomesForChunks(nativeChunks);
     }
 
+    @Override
+    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()));
+    }
+
+    @Override
+    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;
+        }
+    }
+
     // ------------------------------------------------------------------------
     // Code that is less likely to break
     // ------------------------------------------------------------------------

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

@@ -0,0 +1,122 @@
+/*
+ * WorldEdit, a Minecraft world manipulation toolkit
+ * Copyright (C) sk89q <http://www.sk89q.com>
+ * Copyright (C) WorldEdit team and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.sk89q.worldedit.bukkit.adapter.ext.fawe.v1_20_R4;
+
+import com.sk89q.worldedit.EditSession;
+import com.sk89q.worldedit.MaxChangedBlocksException;
+import com.sk89q.worldedit.math.BlockVector3;
+import com.sk89q.worldedit.world.block.BlockTypes;
+import net.minecraft.core.BlockPos;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.level.WorldGenLevel;
+import net.minecraft.world.level.block.entity.BlockEntity;
+import net.minecraft.world.level.block.state.BlockState;
+import org.jetbrains.annotations.Nullable;
+
+import java.lang.reflect.InvocationHandler;
+import java.lang.reflect.Method;
+import java.lang.reflect.Proxy;
+
+public class PaperweightServerLevelDelegateProxy implements InvocationHandler {
+
+    private final EditSession editSession;
+    private final ServerLevel serverLevel;
+    private final PaperweightAdapter adapter;
+
+    private PaperweightServerLevelDelegateProxy(EditSession editSession, ServerLevel serverLevel, PaperweightAdapter adapter) {
+        this.editSession = editSession;
+        this.serverLevel = serverLevel;
+        this.adapter = adapter;
+    }
+
+    public static WorldGenLevel newInstance(EditSession editSession, ServerLevel serverLevel, PaperweightAdapter adapter) {
+        return (WorldGenLevel) Proxy.newProxyInstance(
+            serverLevel.getClass().getClassLoader(),
+            serverLevel.getClass().getInterfaces(),
+            new PaperweightServerLevelDelegateProxy(editSession, serverLevel, adapter)
+        );
+    }
+
+    @Nullable
+    private BlockEntity getBlockEntity(BlockPos blockPos) {
+        BlockEntity tileEntity = this.serverLevel.getChunkAt(blockPos).getBlockEntity(blockPos);
+        if (tileEntity == null) {
+            return null;
+        }
+        BlockEntity newEntity = tileEntity.getType().create(blockPos, getBlockState(blockPos));
+        newEntity.loadWithComponents((CompoundTag) adapter.fromNativeLin(this.editSession.getFullBlock(BlockVector3.at(blockPos.getX(),
+                blockPos.getY(), blockPos.getZ())).getNbtReference().getValue()), MinecraftServer.getServer().registryAccess());
+
+        return newEntity;
+    }
+
+    private BlockState getBlockState(BlockPos blockPos) {
+        return adapter.adapt(this.editSession.getBlock(BlockVector3.at(blockPos.getX(), blockPos.getY(), blockPos.getZ())));
+    }
+
+    private boolean setBlock(BlockPos blockPos, BlockState blockState) {
+        try {
+            return editSession.setBlock(BlockVector3.at(blockPos.getX(), blockPos.getY(), blockPos.getZ()), adapter.adapt(blockState));
+        } catch (MaxChangedBlocksException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private boolean removeBlock(BlockPos blockPos, boolean bl) {
+        try {
+            return editSession.setBlock(BlockVector3.at(blockPos.getX(), blockPos.getY(), blockPos.getZ()), BlockTypes.AIR.getDefaultState());
+        } catch (MaxChangedBlocksException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Override
+    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
+        switch (method.getName()) {
+            case "a_", "getBlockState" -> {
+                if (args.length == 1 && args[0] instanceof BlockPos blockPos) {
+                    // getBlockState
+                    return getBlockState(blockPos);
+                }
+            }
+            case "c_", "getBlockEntity" -> {
+                if (args.length == 1 && args[0] instanceof BlockPos blockPos) {
+                    // getBlockEntity
+                    return getBlockEntity(blockPos);
+                }
+            }
+            case "a", "setBlock", "removeBlock", "destroyBlock" -> {
+                if (args.length >= 2 && args[0] instanceof BlockPos blockPos && args[1] instanceof BlockState blockState) {
+                    // setBlock
+                    return setBlock(blockPos, blockState);
+                } else if (args.length >= 2 && args[0] instanceof BlockPos blockPos && args[1] instanceof Boolean bl) {
+                    // removeBlock (and also matches destroyBlock)
+                    return removeBlock(blockPos, bl);
+                }
+            }
+            default -> { }
+        }
+
+        return method.invoke(this.serverLevel, args);
+    }
+
+}

worldedit-bukkit/adapters/adapter-1_21/src/main/java/com/sk89q/worldedit/bukkit/adapter/ext/fawe/v1_21_R1/PaperweightAdapter.java

@@ -28,11 +28,13 @@ import com.google.common.collect.Sets;
 import com.google.common.util.concurrent.Futures;
 import com.mojang.serialization.Codec;
 import com.mojang.serialization.Lifecycle;
+import com.sk89q.worldedit.EditSession;
 import com.sk89q.worldedit.WorldEditException;
 import com.sk89q.worldedit.blocks.BaseItem;
 import com.sk89q.worldedit.blocks.BaseItemStack;
 import com.sk89q.worldedit.bukkit.BukkitAdapter;
 import com.sk89q.worldedit.bukkit.adapter.BukkitImplAdapter;
+import com.sk89q.worldedit.bukkit.adapter.Refraction;
 import com.sk89q.worldedit.entity.BaseEntity;
 import com.sk89q.worldedit.extension.platform.Watchdog;
 import com.sk89q.worldedit.extent.Extent;
@@ -64,6 +66,8 @@ import com.sk89q.worldedit.world.block.BlockStateHolder;
 import com.sk89q.worldedit.world.block.BlockType;
 import com.sk89q.worldedit.world.block.BlockTypes;
 import com.sk89q.worldedit.world.entity.EntityTypes;
+import com.sk89q.worldedit.world.generation.ConfiguredFeatureType;
+import com.sk89q.worldedit.world.generation.StructureType;
 import com.sk89q.worldedit.world.item.ItemType;
 import net.minecraft.Util;
 import net.minecraft.core.BlockPos;
@@ -71,6 +75,7 @@ import net.minecraft.core.Holder;
 import net.minecraft.core.HolderSet;
 import net.minecraft.core.Registry;
 import net.minecraft.core.component.DataComponentPatch;
+import net.minecraft.core.SectionPos;
 import net.minecraft.core.registries.Registries;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.nbt.NbtOps;
@@ -97,6 +102,7 @@ import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.context.UseOnContext;
 import net.minecraft.world.level.ChunkPos;
 import net.minecraft.world.level.LevelSettings;
+import net.minecraft.world.level.WorldGenLevel;
 import net.minecraft.world.level.biome.Biome;
 import net.minecraft.world.level.block.Block;
 import net.minecraft.world.level.block.Blocks;
@@ -109,6 +115,10 @@ import net.minecraft.world.level.chunk.LevelChunk;
 import net.minecraft.world.level.chunk.status.ChunkStatus;
 import net.minecraft.world.level.dimension.LevelStem;
 import net.minecraft.world.level.levelgen.WorldOptions;
+import net.minecraft.world.level.levelgen.feature.ConfiguredFeature;
+import net.minecraft.world.level.levelgen.structure.BoundingBox;
+import net.minecraft.world.level.levelgen.structure.Structure;
+import net.minecraft.world.level.levelgen.structure.StructureStart;
 import net.minecraft.world.level.storage.LevelStorageSource;
 import net.minecraft.world.level.storage.PrimaryLevelData;
 import net.minecraft.world.phys.BlockHitResult;
@@ -921,6 +931,20 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
             }
         }
 
+        // 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 -> {
@@ -950,6 +974,39 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
         originalWorld.getChunkSource().chunkMap.resendBiomesForChunks(nativeChunks);
     }
 
+    @Override
+    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()));
+    }
+
+    @Override
+    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;
+        }
+    }
+
     // ------------------------------------------------------------------------
     // Code that is less likely to break
     // ------------------------------------------------------------------------
@@ -1120,7 +1177,9 @@ public final class PaperweightAdapter implements BukkitImplAdapter<net.minecraft
 
         MojangWatchdog(DedicatedServer server) throws NoSuchFieldException {
             this.server = server;
-            Field tickField = MinecraftServer.class.getDeclaredField(StaticRefraction.NEXT_TICK_TIME);
+            Field tickField = MinecraftServer.class.getDeclaredField(
+                    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_21/src/main/java/com/sk89q/worldedit/bukkit/adapter/ext/fawe/v1_21_R1/PaperweightServerLevelDelegateProxy.java

@@ -0,0 +1,122 @@
+/*
+ * WorldEdit, a Minecraft world manipulation toolkit
+ * Copyright (C) sk89q <http://www.sk89q.com>
+ * Copyright (C) WorldEdit team and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.sk89q.worldedit.bukkit.adapter.ext.fawe.v1_21_R1;
+
+import com.sk89q.worldedit.EditSession;
+import com.sk89q.worldedit.MaxChangedBlocksException;
+import com.sk89q.worldedit.math.BlockVector3;
+import com.sk89q.worldedit.world.block.BlockTypes;
+import net.minecraft.core.BlockPos;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.level.WorldGenLevel;
+import net.minecraft.world.level.block.entity.BlockEntity;
+import net.minecraft.world.level.block.state.BlockState;
+import org.jetbrains.annotations.Nullable;
+
+import java.lang.reflect.InvocationHandler;
+import java.lang.reflect.Method;
+import java.lang.reflect.Proxy;
+
+public class PaperweightServerLevelDelegateProxy implements InvocationHandler {
+
+    private final EditSession editSession;
+    private final ServerLevel serverLevel;
+    private final PaperweightAdapter adapter;
+
+    private PaperweightServerLevelDelegateProxy(EditSession editSession, ServerLevel serverLevel, PaperweightAdapter adapter) {
+        this.editSession = editSession;
+        this.serverLevel = serverLevel;
+        this.adapter = adapter;
+    }
+
+    public static WorldGenLevel newInstance(EditSession editSession, ServerLevel serverLevel, PaperweightAdapter adapter) {
+        return (WorldGenLevel) Proxy.newProxyInstance(
+            serverLevel.getClass().getClassLoader(),
+            serverLevel.getClass().getInterfaces(),
+            new PaperweightServerLevelDelegateProxy(editSession, serverLevel, adapter)
+        );
+    }
+
+    @Nullable
+    private BlockEntity getBlockEntity(BlockPos blockPos) {
+        BlockEntity tileEntity = this.serverLevel.getChunkAt(blockPos).getBlockEntity(blockPos);
+        if (tileEntity == null) {
+            return null;
+        }
+        BlockEntity newEntity = tileEntity.getType().create(blockPos, getBlockState(blockPos));
+        newEntity.loadWithComponents((CompoundTag) adapter.fromNativeLin(this.editSession.getFullBlock(BlockVector3.at(blockPos.getX(),
+                blockPos.getY(), blockPos.getZ())).getNbtReference().getValue()), MinecraftServer.getServer().registryAccess());
+
+        return newEntity;
+    }
+
+    private BlockState getBlockState(BlockPos blockPos) {
+        return adapter.adapt(this.editSession.getBlock(BlockVector3.at(blockPos.getX(), blockPos.getY(), blockPos.getZ())));
+    }
+
+    private boolean setBlock(BlockPos blockPos, BlockState blockState) {
+        try {
+            return editSession.setBlock(BlockVector3.at(blockPos.getX(), blockPos.getY(), blockPos.getZ()), adapter.adapt(blockState));
+        } catch (MaxChangedBlocksException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private boolean removeBlock(BlockPos blockPos, boolean bl) {
+        try {
+            return editSession.setBlock(BlockVector3.at(blockPos.getX(), blockPos.getY(), blockPos.getZ()), BlockTypes.AIR.getDefaultState());
+        } catch (MaxChangedBlocksException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Override
+    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
+        switch (method.getName()) {
+            case "a_", "getBlockState" -> {
+                if (args.length == 1 && args[0] instanceof BlockPos blockPos) {
+                    // getBlockState
+                    return getBlockState(blockPos);
+                }
+            }
+            case "c_", "getBlockEntity" -> {
+                if (args.length == 1 && args[0] instanceof BlockPos blockPos) {
+                    // getBlockEntity
+                    return getBlockEntity(blockPos);
+                }
+            }
+            case "a", "setBlock", "removeBlock", "destroyBlock" -> {
+                if (args.length >= 2 && args[0] instanceof BlockPos blockPos && args[1] instanceof BlockState blockState) {
+                    // setBlock
+                    return setBlock(blockPos, blockState);
+                } else if (args.length >= 2 && args[0] instanceof BlockPos blockPos && args[1] instanceof Boolean bl) {
+                    // removeBlock (and also matches destroyBlock)
+                    return removeBlock(blockPos, bl);
+                }
+            }
+            default -> { }
+        }
+
+        return method.invoke(this.serverLevel, args);
+    }
+
+}