/*
* 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 Lesser 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.worldedit.bukkit.adapter.impl;
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.Maps;
import com.google.common.collect.Sets;
import com.google.common.io.Files;
import com.sk89q.jnbt.ByteArrayTag;
import com.sk89q.jnbt.ByteTag;
import com.sk89q.jnbt.CompoundTag;
import com.sk89q.jnbt.DoubleTag;
import com.sk89q.jnbt.EndTag;
import com.sk89q.jnbt.FloatTag;
import com.sk89q.jnbt.IntArrayTag;
import com.sk89q.jnbt.IntTag;
import com.sk89q.jnbt.ListTag;
import com.sk89q.jnbt.LongArrayTag;
import com.sk89q.jnbt.LongTag;
import com.sk89q.jnbt.NBTConstants;
import com.sk89q.jnbt.ShortTag;
import com.sk89q.jnbt.StringTag;
import com.sk89q.jnbt.Tag;
import com.sk89q.worldedit.EditSession;
import com.sk89q.worldedit.MaxChangedBlocksException;
import com.sk89q.worldedit.blocks.BaseItem;
import com.sk89q.worldedit.blocks.BaseItemStack;
import com.sk89q.worldedit.bukkit.BukkitAdapter;
import com.sk89q.worldedit.bukkit.BukkitWorld;
import com.sk89q.worldedit.bukkit.adapter.BukkitImplAdapter;
import com.sk89q.worldedit.entity.BaseEntity;
import com.sk89q.worldedit.extension.platform.Watchdog;
import com.sk89q.worldedit.internal.Constants;
import com.sk89q.worldedit.internal.block.BlockStateIdAccess;
import com.sk89q.worldedit.internal.wna.WorldNativeAccess;
import com.sk89q.worldedit.math.BlockVector2;
import com.sk89q.worldedit.math.BlockVector3;
import com.sk89q.worldedit.regions.CuboidRegion;
import com.sk89q.worldedit.regions.Region;
import com.sk89q.worldedit.registry.state.BooleanProperty;
import com.sk89q.worldedit.registry.state.DirectionalProperty;
import com.sk89q.worldedit.registry.state.EnumProperty;
import com.sk89q.worldedit.registry.state.IntegerProperty;
import com.sk89q.worldedit.registry.state.Property;
import com.sk89q.worldedit.util.Direction;
import com.sk89q.worldedit.util.SideEffect;
import com.sk89q.worldedit.util.formatting.text.Component;
import com.sk89q.worldedit.util.formatting.text.TranslatableComponent;
import com.sk89q.worldedit.world.DataFixer;
import com.sk89q.worldedit.world.block.BaseBlock;
import com.sk89q.worldedit.world.block.BlockState;
import com.sk89q.worldedit.world.block.BlockType;
import com.sk89q.worldedit.world.block.BlockTypes;
import com.sk89q.worldedit.world.item.ItemType;
import net.minecraft.server.v1_14_R1.Block;
import net.minecraft.server.v1_14_R1.BlockPosition;
import net.minecraft.server.v1_14_R1.BlockStateBoolean;
import net.minecraft.server.v1_14_R1.BlockStateDirection;
import net.minecraft.server.v1_14_R1.BlockStateEnum;
import net.minecraft.server.v1_14_R1.BlockStateInteger;
import net.minecraft.server.v1_14_R1.BlockStateList;
import net.minecraft.server.v1_14_R1.Blocks;
import net.minecraft.server.v1_14_R1.Chunk;
import net.minecraft.server.v1_14_R1.ChunkCoordIntPair;
import net.minecraft.server.v1_14_R1.ChunkStatus;
import net.minecraft.server.v1_14_R1.DedicatedServer;
import net.minecraft.server.v1_14_R1.Entity;
import net.minecraft.server.v1_14_R1.EntityTypes;
import net.minecraft.server.v1_14_R1.EnumDirection;
import net.minecraft.server.v1_14_R1.EnumHand;
import net.minecraft.server.v1_14_R1.EnumInteractionResult;
import net.minecraft.server.v1_14_R1.IBlockData;
import net.minecraft.server.v1_14_R1.IBlockState;
import net.minecraft.server.v1_14_R1.INamable;
import net.minecraft.server.v1_14_R1.IRegistry;
import net.minecraft.server.v1_14_R1.Item;
import net.minecraft.server.v1_14_R1.ItemActionContext;
import net.minecraft.server.v1_14_R1.ItemStack;
import net.minecraft.server.v1_14_R1.MinecraftKey;
import net.minecraft.server.v1_14_R1.MinecraftServer;
import net.minecraft.server.v1_14_R1.MovingObjectPositionBlock;
import net.minecraft.server.v1_14_R1.NBTBase;
import net.minecraft.server.v1_14_R1.NBTTagByte;
import net.minecraft.server.v1_14_R1.NBTTagByteArray;
import net.minecraft.server.v1_14_R1.NBTTagCompound;
import net.minecraft.server.v1_14_R1.NBTTagDouble;
import net.minecraft.server.v1_14_R1.NBTTagEnd;
import net.minecraft.server.v1_14_R1.NBTTagFloat;
import net.minecraft.server.v1_14_R1.NBTTagInt;
import net.minecraft.server.v1_14_R1.NBTTagIntArray;
import net.minecraft.server.v1_14_R1.NBTTagList;
import net.minecraft.server.v1_14_R1.NBTTagLong;
import net.minecraft.server.v1_14_R1.NBTTagLongArray;
import net.minecraft.server.v1_14_R1.NBTTagShort;
import net.minecraft.server.v1_14_R1.NBTTagString;
import net.minecraft.server.v1_14_R1.PacketPlayOutEntityStatus;
import net.minecraft.server.v1_14_R1.PacketPlayOutTileEntityData;
import net.minecraft.server.v1_14_R1.SystemUtils;
import net.minecraft.server.v1_14_R1.TileEntity;
import net.minecraft.server.v1_14_R1.Vec3D;
import net.minecraft.server.v1_14_R1.World;
import net.minecraft.server.v1_14_R1.WorldData;
import net.minecraft.server.v1_14_R1.WorldLoadListener;
import net.minecraft.server.v1_14_R1.WorldNBTStorage;
import net.minecraft.server.v1_14_R1.WorldServer;
import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.World.Environment;
import org.bukkit.block.data.BlockData;
import org.bukkit.craftbukkit.v1_14_R1.CraftServer;
import org.bukkit.craftbukkit.v1_14_R1.CraftWorld;
import org.bukkit.craftbukkit.v1_14_R1.block.data.CraftBlockData;
import org.bukkit.craftbukkit.v1_14_R1.entity.CraftEntity;
import org.bukkit.craftbukkit.v1_14_R1.entity.CraftPlayer;
import org.bukkit.craftbukkit.v1_14_R1.inventory.CraftItemStack;
import org.bukkit.craftbukkit.v1_14_R1.util.CraftMagicNumbers;
import org.bukkit.entity.Player;
import org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason;
import org.bukkit.generator.ChunkGenerator;
import org.spigotmc.SpigotConfig;
import org.spigotmc.WatchdogThread;
import javax.annotation.Nullable;
import java.io.File;
import java.io.IOException;
import java.lang.ref.WeakReference;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.OptionalInt;
import java.util.Set;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ForkJoinPool;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.stream.Collectors;
import static com.google.common.base.Preconditions.checkNotNull;
public final class Spigot_v1_14_R4 implements BukkitImplAdapter {
private final Logger logger = Logger.getLogger(getClass().getCanonicalName());
private final Field nbtListTagListField;
private final Field serverWorldsField;
private final Method nbtCreateTagMethod;
private final Watchdog watchdog;
// ------------------------------------------------------------------------
// Code that may break between versions of Minecraft
// ------------------------------------------------------------------------
public Spigot_v1_14_R4() throws NoSuchFieldException, NoSuchMethodException {
// A simple test
CraftServer.class.cast(Bukkit.getServer());
if (getDataVersion() != 1976) throw new UnsupportedClassVersionError("Not 1.14.4!");
// The list of tags on an NBTTagList
nbtListTagListField = NBTTagList.class.getDeclaredField("list");
nbtListTagListField.setAccessible(true);
serverWorldsField = CraftServer.class.getDeclaredField("worlds");
serverWorldsField.setAccessible(true);
// The method to create an NBTBase tag given its type ID
nbtCreateTagMethod = NBTBase.class.getDeclaredMethod("createTag", byte.class);
nbtCreateTagMethod.setAccessible(true);
new DataConverters_1_14_R4(getDataVersion(), this).build(ForkJoinPool.commonPool());
Watchdog watchdog;
try {
Class.forName("org.spigotmc.WatchdogThread");
watchdog = new SpigotWatchdog();
} catch (ClassNotFoundException e) {
try {
watchdog = new MojangWatchdog(((CraftServer) Bukkit.getServer()).getServer());
} catch (NoSuchFieldException ex) {
watchdog = null;
}
}
this.watchdog = watchdog;
try {
Class.forName("org.spigotmc.SpigotConfig");
SpigotConfig.config.set("world-settings.worldeditregentempworld.verbose", false);
} catch (ClassNotFoundException ignored) {}
}
@Override
public int getDataVersion() {
return CraftMagicNumbers.INSTANCE.getDataVersion();
}
@Override
public DataFixer getDataFixer() {
return DataConverters_1_14_R4.INSTANCE;
}
/**
* Read the given NBT data into the given tile entity.
*
* @param tileEntity the tile entity
* @param tag the tag
*/
static void readTagIntoTileEntity(NBTTagCompound tag, TileEntity tileEntity) {
tileEntity.load(tag);
}
/**
* Write the tile entity's NBT data to the given tag.
*
* @param tileEntity the tile entity
* @param tag the tag
*/
private static void readTileEntityIntoTag(TileEntity tileEntity, NBTTagCompound tag) {
tileEntity.save(tag);
}
/**
* Get the ID string of the given entity.
*
* @param entity the entity
* @return the entity ID or null if one is not known
*/
@Nullable
private static String getEntityId(Entity entity) {
MinecraftKey minecraftkey = EntityTypes.getName(entity.getEntityType());
return minecraftkey == null ? null : minecraftkey.toString();
}
/**
* Create an entity using the given entity ID.
*
* @param id the entity ID
* @param world the world
* @return an entity or null
*/
@Nullable
private static Entity createEntityFromId(String id, World world) {
return EntityTypes.a(id).map(t -> t.a(world)).orElse(null);
}
/**
* Write the given NBT data into the given entity.
*
* @param entity the entity
* @param tag the tag
*/
private static void readTagIntoEntity(NBTTagCompound tag, Entity entity) {
entity.f(tag);
}
/**
* Write the entity's NBT data to the given tag.
*
* @param entity the entity
* @param tag the tag
*/
private static void readEntityIntoTag(Entity entity, NBTTagCompound tag) {
entity.save(tag);
}
private static Block getBlockFromType(BlockType blockType) {
return IRegistry.BLOCK.get(MinecraftKey.a(blockType.getId()));
}
private static Item getItemFromType(ItemType itemType) {
return IRegistry.ITEM.get(MinecraftKey.a(itemType.getId()));
}
@Override
public OptionalInt getInternalBlockStateId(BlockData data) {
IBlockData state = ((CraftBlockData) data).getState();
int combinedId = Block.getCombinedId(state);
return combinedId == 0 && state.getBlock() != Blocks.AIR ? OptionalInt.empty() : OptionalInt.of(combinedId);
}
@Override
public OptionalInt getInternalBlockStateId(BlockState state) {
Block mcBlock = getBlockFromType(state.getBlockType());
IBlockData newState = mcBlock.getBlockData();
Map<Property<?>, Object> states = state.getStates();
newState = applyProperties(mcBlock.getStates(), newState, states);
final int combinedId = Block.getCombinedId(newState);
return combinedId == 0 && state.getBlockType() != BlockTypes.AIR ? OptionalInt.empty() : OptionalInt.of(combinedId);
}
@Override
public BaseBlock getBlock(Location location) {
checkNotNull(location);
CraftWorld craftWorld = ((CraftWorld) location.getWorld());
int x = location.getBlockX();
int y = location.getBlockY();
int z = location.getBlockZ();
final WorldServer handle = craftWorld.getHandle();
Chunk chunk = handle.getChunkAt(x >> 4, z >> 4);
final BlockPosition blockPos = new BlockPosition(x, y, z);
final IBlockData blockData = chunk.getType(blockPos);
int internalId = Block.getCombinedId(blockData);
BlockState state = BlockStateIdAccess.getBlockStateById(internalId);
if (state == null) {
org.bukkit.block.Block bukkitBlock = location.getBlock();
state = BukkitAdapter.adapt(bukkitBlock.getBlockData());
}
// Read the NBT data
TileEntity te = chunk.a(blockPos, Chunk.EnumTileEntityState.CHECK);
if (te != null) {
NBTTagCompound tag = new NBTTagCompound();
readTileEntityIntoTag(te, tag); // Load data
return state.toBaseBlock((CompoundTag) toNative(tag));
}
return state.toBaseBlock();
}
@Override
public WorldNativeAccess<?, ?, ?> createWorldNativeAccess(org.bukkit.World world) {
return new WorldNativeAccess_v1_14_R4(this,
new WeakReference<>(((CraftWorld) world).getHandle()));
}
private static EnumDirection adapt(Direction face) {
switch (face) {
case NORTH: return EnumDirection.NORTH;
case SOUTH: return EnumDirection.SOUTH;
case WEST: return EnumDirection.WEST;
case EAST: return EnumDirection.EAST;
case DOWN: return EnumDirection.DOWN;
case UP:
default:
return EnumDirection.UP;
}
}
private IBlockData applyProperties(BlockStateList<Block, IBlockData> stateContainer, IBlockData newState, Map<Property<?>, Object> states) {
for (Map.Entry<Property<?>, Object> state : states.entrySet()) {
IBlockState<?> property = stateContainer.a(state.getKey().getName());
Comparable<?> value = (Comparable) state.getValue();
// we may need to adapt this value, depending on the source prop
if (property instanceof BlockStateDirection) {
Direction dir = (Direction) value;
value = adapt(dir);
} else if (property instanceof BlockStateEnum) {
String enumName = (String) value;
value = ((BlockStateEnum<?>) property).b((String) value).orElseGet(() -> {
throw new IllegalStateException("Enum property " + property.a() + " does not contain " + enumName);
});
}
newState = newState.set((IBlockState) property, (Comparable) value);
}
return newState;
}
@Override
public BaseEntity getEntity(org.bukkit.entity.Entity entity) {
checkNotNull(entity);
CraftEntity craftEntity = ((CraftEntity) entity);
Entity mcEntity = craftEntity.getHandle();
String id = getEntityId(mcEntity);
if (id != null) {
NBTTagCompound tag = new NBTTagCompound();
readEntityIntoTag(mcEntity, tag);
return new BaseEntity(com.sk89q.worldedit.world.entity.EntityTypes.get(id), (CompoundTag) toNative(tag));
} else {
return null;
}
}
@Nullable
@Override
public org.bukkit.entity.Entity createEntity(Location location, BaseEntity state) {
checkNotNull(location);
checkNotNull(state);
CraftWorld craftWorld = ((CraftWorld) location.getWorld());
WorldServer worldServer = craftWorld.getHandle();
Entity createdEntity = createEntityFromId(state.getType().getId(), craftWorld.getHandle());
if (createdEntity != null) {
CompoundTag nativeTag = state.getNbtData();
if (nativeTag != null) {
NBTTagCompound tag = (NBTTagCompound) fromNative(nativeTag);
for (String name : Constants.NO_COPY_ENTITY_NBT_FIELDS) {
tag.remove(name);
}
readTagIntoEntity(tag, createdEntity);
}
createdEntity.setLocation(location.getX(), location.getY(), location.getZ(), location.getYaw(), location.getPitch());
worldServer.addEntity(createdEntity, SpawnReason.CUSTOM);
return createdEntity.getBukkitEntity();
} else {
return null;
}
}
@Override
public Component getRichBlockName(BlockType blockType) {
return TranslatableComponent.of(getBlockFromType(blockType).l());
}
@Override
public Component getRichItemName(ItemType itemType) {
return TranslatableComponent.of(getItemFromType(itemType).getName());
}
@Override
public Component getRichItemName(BaseItemStack itemStack) {
return TranslatableComponent.of(CraftItemStack.asNMSCopy(BukkitAdapter.adapt(itemStack)).j());
}
@SuppressWarnings("unchecked")
@Override
public Map<String, ? extends Property<?>> getProperties(BlockType blockType) {
Map<String, Property<?>> properties = Maps.newTreeMap(String::compareTo);
Block block = getBlockFromType(blockType);
if (block == null) {
logger.warning("Failed to find properties for " + blockType.getId());
return properties;
}
BlockStateList<Block, IBlockData> blockStateList = block.getStates();
for (IBlockState state : blockStateList.d()) {
Property property;
if (state instanceof BlockStateBoolean) {
property = new BooleanProperty(state.a(), ImmutableList.copyOf(state.getValues()));
} else if (state instanceof BlockStateDirection) {
property = new DirectionalProperty(state.a(),
(List<Direction>) state.getValues().stream().map(e -> Direction.valueOf(((INamable) e).getName().toUpperCase())).collect(Collectors.toList()));
} else if (state instanceof BlockStateEnum) {
property = new EnumProperty(state.a(),
(List<String>) state.getValues().stream().map(e -> ((INamable) e).getName()).collect(Collectors.toList()));
} else if (state instanceof BlockStateInteger) {
property = new IntegerProperty(state.a(), ImmutableList.copyOf(state.getValues()));
} else {
throw new IllegalArgumentException("WorldEdit needs an update to support " + state.getClass().getSimpleName());
}
properties.put(property.getName(), property);
}
return properties;
}
@Override
public void sendFakeNBT(Player player, BlockVector3 pos, CompoundTag nbtData) {
((CraftPlayer) player).getHandle().playerConnection.sendPacket(new PacketPlayOutTileEntityData(
new BlockPosition(pos.getBlockX(), pos.getBlockY(), pos.getBlockZ()),
7,
(NBTTagCompound) fromNative(nbtData)
));
}
@Override
public void sendFakeOP(Player player) {
((CraftPlayer) player).getHandle().playerConnection.sendPacket(new PacketPlayOutEntityStatus(
((CraftPlayer) player).getHandle(), (byte) 28
));
}
@Override
public org.bukkit.inventory.ItemStack adapt(BaseItemStack item) {
ItemStack stack = new ItemStack(IRegistry.ITEM.get(MinecraftKey.a(item.getType().getId())), item.getAmount());
stack.setTag(((NBTTagCompound) fromNative(item.getNbtData())));
return CraftItemStack.asCraftMirror(stack);
}
@Override
public BaseItemStack adapt(org.bukkit.inventory.ItemStack itemStack) {
final ItemStack nmsStack = CraftItemStack.asNMSCopy(itemStack);
final BaseItemStack weStack = new BaseItemStack(BukkitAdapter.asItemType(itemStack.getType()), itemStack.getAmount());
weStack.setNbtData(((CompoundTag) toNative(nmsStack.getTag())));
return weStack;
}
private LoadingCache<WorldServer, FakePlayer_v1_14_R4> fakePlayers
= CacheBuilder.newBuilder().weakKeys().softValues().build(CacheLoader.from(FakePlayer_v1_14_R4::new));
@Override
public boolean simulateItemUse(org.bukkit.World world, BlockVector3 position, BaseItem item, Direction face) {
CraftWorld craftWorld = (CraftWorld) world;
WorldServer worldServer = craftWorld.getHandle();
ItemStack stack = CraftItemStack.asNMSCopy(BukkitAdapter.adapt(item instanceof BaseItemStack
? ((BaseItemStack) item) : new BaseItemStack(item.getType(), item.getNbtData(), 1)));
stack.setTag((NBTTagCompound) fromNative(item.getNbtData()));
FakePlayer_v1_14_R4 fakePlayer;
try {
fakePlayer = fakePlayers.get(worldServer);
} catch (ExecutionException ignored) {
return false;
}
fakePlayer.a(EnumHand.MAIN_HAND, stack);
fakePlayer.setLocation(position.getBlockX(), position.getBlockY(), position.getBlockZ(),
(float) face.toVector().toYaw(), (float) face.toVector().toPitch());
final BlockPosition blockPos = new BlockPosition(position.getBlockX(), position.getBlockY(), position.getBlockZ());
final Vec3D blockVec = new Vec3D(blockPos);
final EnumDirection enumFacing = adapt(face);
MovingObjectPositionBlock rayTrace = new MovingObjectPositionBlock(blockVec, enumFacing, blockPos, false);
ItemActionContext context = new ItemActionContext(fakePlayer, EnumHand.MAIN_HAND, rayTrace);
EnumInteractionResult result = stack.placeItem(context, EnumHand.MAIN_HAND);
if (result != EnumInteractionResult.SUCCESS) {
if (worldServer.getType(blockPos).interact(worldServer, fakePlayer, EnumHand.MAIN_HAND, rayTrace)) {
result = EnumInteractionResult.SUCCESS;
} else {
result = stack.getItem().a(worldServer, fakePlayer, EnumHand.MAIN_HAND).a();
}
}
return result == EnumInteractionResult.SUCCESS;
}
@Override
public boolean regenerate(org.bukkit.World bukkitWorld, Region region, EditSession editSession) {
WorldServer originalWorld = ((CraftWorld) bukkitWorld).getHandle();
File saveFolder = Files.createTempDir();
// register this just in case something goes wrong
// normally it should be deleted at the end of this method
saveFolder.deleteOnExit();
try {
Environment env = bukkitWorld.getEnvironment();
ChunkGenerator gen = bukkitWorld.getGenerator();
MinecraftServer server = originalWorld.getServer().getServer();
WorldData newWorldData = new WorldData(originalWorld.worldData.a((NBTTagCompound) null),
server.dataConverterManager, getDataVersion(), null);
newWorldData.setName("worldeditregentempworld");
WorldNBTStorage saveHandler = new WorldNBTStorage(saveFolder,
originalWorld.getDataManager().getDirectory().getName(), server, server.dataConverterManager);
try (WorldServer freshWorld = new WorldServer(server, server.executorService, saveHandler,
newWorldData, originalWorld.worldProvider.getDimensionManager(),
originalWorld.getMethodProfiler(), new NoOpWorldLoadListener(), env, gen)) {
freshWorld.savingDisabled = true;
// Pre-gen all the chunks
// We need to also pull one more chunk in every direction
CuboidRegion expandedPreGen = new CuboidRegion(region.getMinimumPoint().subtract(16, 0, 16),
region.getMaximumPoint().add(16, 0, 16));
for (BlockVector2 chunk : expandedPreGen.getChunks()) {
freshWorld.getChunkAt(chunk.getBlockX(), chunk.getBlockZ());
}
CraftWorld craftWorld = freshWorld.getWorld();
BukkitWorld from = new BukkitWorld(craftWorld);
for (BlockVector3 vec : region) {
editSession.setBlock(vec, from.getFullBlock(vec));
}
} catch (IOException e) {
throw new RuntimeException(e);
}
} catch (MaxChangedBlocksException e) {
throw new RuntimeException(e);
} finally {
saveFolder.delete();
try {
Map<String, org.bukkit.World> map = (Map<String, org.bukkit.World>) serverWorldsField.get(Bukkit.getServer());
map.remove("worldeditregentempworld");
} catch (IllegalAccessException ignored) {
}
}
return true;
}
private static final Set<SideEffect> SUPPORTED_SIDE_EFFECTS = Sets.immutableEnumSet(
SideEffect.NEIGHBORS,
SideEffect.LIGHTING,
SideEffect.VALIDATION,
SideEffect.ENTITY_AI,
SideEffect.EVENTS
);
@Override
public Set<SideEffect> getSupportedSideEffects() {
return SUPPORTED_SIDE_EFFECTS;
}
// ------------------------------------------------------------------------
// Code that is less likely to break
// ------------------------------------------------------------------------
/**
* Converts from a non-native NMS NBT structure to a native WorldEdit NBT
* structure.
*
* @param foreign non-native NMS NBT structure
* @return native WorldEdit NBT structure
*/
@SuppressWarnings("unchecked")
Tag toNative(NBTBase foreign) {
if (foreign == null) {
return null;
}
if (foreign instanceof NBTTagCompound) {
Map<String, Tag> values = new HashMap<>();
Set<String> foreignKeys = ((NBTTagCompound) foreign).getKeys(); // map.keySet
for (String str : foreignKeys) {
NBTBase base = ((NBTTagCompound) foreign).get(str);
values.put(str, toNative(base));
}
return new CompoundTag(values);
} else if (foreign instanceof NBTTagByte) {
return new ByteTag(((NBTTagByte) foreign).asByte());
} else if (foreign instanceof NBTTagByteArray) {
return new ByteArrayTag(((NBTTagByteArray) foreign).getBytes()); // data
} else if (foreign instanceof NBTTagDouble) {
return new DoubleTag(((NBTTagDouble) foreign).asDouble()); // getDouble
} else if (foreign instanceof NBTTagFloat) {
return new FloatTag(((NBTTagFloat) foreign).asFloat());
} else if (foreign instanceof NBTTagInt) {
return new IntTag(((NBTTagInt) foreign).asInt());
} else if (foreign instanceof NBTTagIntArray) {
return new IntArrayTag(((NBTTagIntArray) foreign).getInts()); // data
} else if (foreign instanceof NBTTagLongArray) {
return new LongArrayTag(((NBTTagLongArray) foreign).getLongs()); // data
} else if (foreign instanceof NBTTagList) {
try {
return toNativeList((NBTTagList) foreign);
} catch (Throwable e) {
logger.log(Level.WARNING, "Failed to convert NBTTagList", e);
return new ListTag(ByteTag.class, new ArrayList<ByteTag>());
}
} else if (foreign instanceof NBTTagLong) {
return new LongTag(((NBTTagLong) foreign).asLong());
} else if (foreign instanceof NBTTagShort) {
return new ShortTag(((NBTTagShort) foreign).asShort());
} else if (foreign instanceof NBTTagString) {
return new StringTag(foreign.asString());
} else if (foreign instanceof NBTTagEnd) {
return new EndTag();
} else {
throw new IllegalArgumentException("Don't know how to make native " + foreign.getClass().getCanonicalName());
}
}
/**
* Convert a foreign NBT list tag into a native WorldEdit one.
*
* @param foreign the foreign tag
* @return the converted tag
* @throws SecurityException on error
* @throws IllegalArgumentException on error
* @throws IllegalAccessException on error
*/
private ListTag toNativeList(NBTTagList foreign) throws SecurityException, IllegalArgumentException, IllegalAccessException {
List<Tag> values = new ArrayList<>();
int type = foreign.a_();
List foreignList;
foreignList = (List) nbtListTagListField.get(foreign);
for (int i = 0; i < foreign.size(); i++) {
NBTBase element = (NBTBase) foreignList.get(i);
values.add(toNative(element)); // List elements shouldn't have names
}
Class<? extends Tag> cls = NBTConstants.getClassFromType(type);
return new ListTag(cls, values);
}
/**
* Converts a WorldEdit-native NBT structure to a NMS structure.
*
* @param foreign structure to convert
* @return non-native structure
*/
NBTBase fromNative(Tag foreign) {
if (foreign == null) {
return null;
}
if (foreign instanceof CompoundTag) {
NBTTagCompound tag = new NBTTagCompound();
for (Map.Entry<String, Tag> entry : ((CompoundTag) foreign)
.getValue().entrySet()) {
tag.set(entry.getKey(), fromNative(entry.getValue()));
}
return tag;
} else if (foreign instanceof ByteTag) {
return new NBTTagByte(((ByteTag) foreign).getValue());
} else if (foreign instanceof ByteArrayTag) {
return new NBTTagByteArray(((ByteArrayTag) foreign).getValue());
} else if (foreign instanceof DoubleTag) {
return new NBTTagDouble(((DoubleTag) foreign).getValue());
} else if (foreign instanceof FloatTag) {
return new NBTTagFloat(((FloatTag) foreign).getValue());
} else if (foreign instanceof IntTag) {
return new NBTTagInt(((IntTag) foreign).getValue());
} else if (foreign instanceof IntArrayTag) {
return new NBTTagIntArray(((IntArrayTag) foreign).getValue());
} else if (foreign instanceof LongArrayTag) {
return new NBTTagLongArray(((LongArrayTag) foreign).getValue());
} else if (foreign instanceof ListTag) {
NBTTagList tag = new NBTTagList();
ListTag foreignList = (ListTag) foreign;
for (Tag t : foreignList.getValue()) {
tag.add(fromNative(t));
}
return tag;
} else if (foreign instanceof LongTag) {
return new NBTTagLong(((LongTag) foreign).getValue());
} else if (foreign instanceof ShortTag) {
return new NBTTagShort(((ShortTag) foreign).getValue());
} else if (foreign instanceof StringTag) {
return new NBTTagString(((StringTag) foreign).getValue());
} else if (foreign instanceof EndTag) {
try {
return (NBTBase) nbtCreateTagMethod.invoke(null, (byte) 0);
} catch (Exception e) {
return null;
}
} else {
throw new IllegalArgumentException("Don't know how to make NMS " + foreign.getClass().getCanonicalName());
}
}
@Override
public boolean supportsWatchdog() {
return watchdog != null;
}
@Override
public void tickWatchdog() {
watchdog.tick();
}
private static class SpigotWatchdog implements Watchdog {
@Override
public void tick() {
WatchdogThread.tick();
}
}
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("nextTick");
tickField.setAccessible(true);
this.tickField = tickField;
}
@Override
public void tick() {
try {
tickField.set(server, SystemUtils.getMonotonicMillis());
} catch (IllegalAccessException ignored) {
}
}
}
private static class NoOpWorldLoadListener implements WorldLoadListener {
@Override
public void a(ChunkCoordIntPair chunkCoordIntPair) {
}
@Override
public void a(ChunkCoordIntPair chunkCoordIntPair, @Nullable ChunkStatus chunkStatus) {
}
@Override
public void b() {
}
}
}
