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

287 lines
11 KiB
Java

package com.sk89q.worldedit.bukkit.adapter.impl.fawe.v1_19_R3;
import com.fastasyncworldedit.core.Fawe;
import com.fastasyncworldedit.core.math.IntPair;
import com.fastasyncworldedit.core.util.TaskManager;
import com.fastasyncworldedit.core.util.task.RunnableVal;
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.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.world.level.Level;
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_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.Collections;
import java.util.HashSet;
import java.util.Objects;
import java.util.Set;
import java.util.concurrent.atomic.AtomicInteger;
public class PaperweightFaweWorldNativeAccess implements WorldNativeAccess<LevelChunk,
net.minecraft.world.level.block.state.BlockState, BlockPos> {
private static final int UPDATE = 1;
private static final int NOTIFY = 2;
private static final Direction[] NEIGHBOUR_ORDER = {
Direction.EAST,
Direction.WEST,
Direction.DOWN,
Direction.UP,
Direction.NORTH,
Direction.SOUTH
};
private final PaperweightFaweAdapter paperweightFaweAdapter;
private final WeakReference<Level> level;
private final AtomicInteger lastTick;
private final Set<CachedChange> cachedChanges = new HashSet<>();
private final Set<IntPair> cachedChunksToSend = new HashSet<>();
private SideEffectSet sideEffectSet;
public PaperweightFaweWorldNativeAccess(PaperweightFaweAdapter paperweightFaweAdapter, WeakReference<Level> level) {
this.paperweightFaweAdapter = paperweightFaweAdapter;
this.level = level;
// Use the actual tick as minecraft-defined so we don't try to force blocks into the world when the server's already lagging.
// - With the caveat that we don't want to have too many cached changed (1024) so we'd flush those at 1024 anyway.
this.lastTick = new AtomicInteger(MinecraftServer.currentTick);
}
private Level getLevel() {
return Objects.requireNonNull(level.get(), "The reference to the world was lost");
}
@Override
public void setCurrentSideEffectSet(SideEffectSet sideEffectSet) {
this.sideEffectSet = sideEffectSet;
}
@Override
public LevelChunk getChunk(int x, int z) {
return getLevel().getChunk(x, z);
}
@Override
public net.minecraft.world.level.block.state.BlockState toNative(BlockState blockState) {
int stateId = paperweightFaweAdapter.ordinalToIbdID(blockState.getOrdinalChar());
return BlockStateIdAccess.isValidInternalId(stateId)
? Block.stateById(stateId)
: ((CraftBlockData) BukkitAdapter.adapt(blockState)).getState();
}
@Override
public net.minecraft.world.level.block.state.BlockState getBlockState(LevelChunk levelChunk, BlockPos blockPos) {
return levelChunk.getBlockState(blockPos);
}
@Nullable
@Override
public synchronized net.minecraft.world.level.block.state.BlockState setBlockState(
LevelChunk levelChunk, BlockPos blockPos,
net.minecraft.world.level.block.state.BlockState blockState
) {
int currentTick = MinecraftServer.currentTick;
if (Fawe.isMainThread()) {
return levelChunk.setBlockState(blockPos, blockState,
this.sideEffectSet != null && this.sideEffectSet.shouldApply(SideEffect.UPDATE)
);
}
// Since FAWE is.. Async we need to do it on the main thread (wooooo.. :( )
cachedChanges.add(new CachedChange(levelChunk, blockPos, blockState));
cachedChunksToSend.add(new IntPair(levelChunk.bukkitChunk.getX(), levelChunk.bukkitChunk.getZ()));
boolean nextTick = lastTick.get() > currentTick;
if (nextTick || cachedChanges.size() >= 1024) {
if (nextTick) {
lastTick.set(currentTick);
}
flushAsync(nextTick);
}
return blockState;
}
@Override
public net.minecraft.world.level.block.state.BlockState getValidBlockForPosition(
net.minecraft.world.level.block.state.BlockState blockState,
BlockPos blockPos
) {
return Block.updateFromNeighbourShapes(blockState, getLevel(), blockPos);
}
@Override
public BlockPos getPosition(int x, int y, int z) {
return new BlockPos(x, y, z);
}
@Override
public void updateLightingForBlock(BlockPos blockPos) {
getLevel().getChunkSource().getLightEngine().checkBlock(blockPos);
}
@Override
public boolean updateTileEntity(BlockPos blockPos, CompoundBinaryTag tag) {
// We will assume that the tile entity was created for us,
// though we do not do this on the other versions
BlockEntity blockEntity = getLevel().getBlockEntity(blockPos);
if (blockEntity == null) {
return false;
}
net.minecraft.nbt.Tag nativeTag = paperweightFaweAdapter.fromNativeBinary(tag);
blockEntity.load((CompoundTag) nativeTag);
return true;
}
@Override
public void notifyBlockUpdate(
LevelChunk levelChunk, BlockPos blockPos,
net.minecraft.world.level.block.state.BlockState oldState,
net.minecraft.world.level.block.state.BlockState newState
) {
if (levelChunk.getSections()[level.get().getSectionIndex(blockPos.getY())] != null) {
getLevel().sendBlockUpdated(blockPos, oldState, newState, UPDATE | NOTIFY);
}
}
@Override
public boolean isChunkTicking(LevelChunk levelChunk) {
return levelChunk.getFullStatus().isOrAfter(ChunkHolder.FullChunkStatus.TICKING);
}
@Override
public void markBlockChanged(LevelChunk levelChunk, BlockPos blockPos) {
if (levelChunk.getSections()[level.get().getSectionIndex(blockPos.getY())] != null) {
((ServerChunkCache) getLevel().getChunkSource()).blockChanged(blockPos);
}
}
@Override
public void notifyNeighbors(
BlockPos blockPos,
net.minecraft.world.level.block.state.BlockState oldState,
net.minecraft.world.level.block.state.BlockState newState
) {
Level level = getLevel();
if (sideEffectSet.shouldApply(SideEffect.EVENTS)) {
level.blockUpdated(blockPos, oldState.getBlock());
} else {
// When we don't want events, manually run the physics without them.
// Un-nest neighbour updating
for (Direction direction : NEIGHBOUR_ORDER) {
BlockPos shifted = blockPos.relative(direction);
level.getBlockState(shifted).neighborChanged(level, shifted, oldState.getBlock(), blockPos, false);
}
}
if (newState.hasAnalogOutputSignal()) {
level.updateNeighbourForOutputSignal(blockPos, newState.getBlock());
}
}
@Override
public void updateNeighbors(
BlockPos blockPos,
net.minecraft.world.level.block.state.BlockState oldState,
net.minecraft.world.level.block.state.BlockState newState,
int recursionLimit
) {
Level level = getLevel();
// a == updateNeighbors
// b == updateDiagonalNeighbors
oldState.updateIndirectNeighbourShapes(level, blockPos, NOTIFY, recursionLimit);
if (sideEffectSet.shouldApply(SideEffect.EVENTS)) {
CraftWorld craftWorld = level.getWorld();
if (craftWorld != null) {
BlockPhysicsEvent event = new BlockPhysicsEvent(
craftWorld.getBlockAt(blockPos.getX(), blockPos.getY(), blockPos.getZ()),
CraftBlockData.fromData(newState)
);
level.getCraftServer().getPluginManager().callEvent(event);
if (event.isCancelled()) {
return;
}
}
}
newState.triggerEvent(level, blockPos, NOTIFY, recursionLimit);
newState.updateIndirectNeighbourShapes(level, blockPos, NOTIFY, recursionLimit);
}
@Override
public void onBlockStateChange(
BlockPos blockPos,
net.minecraft.world.level.block.state.BlockState oldState,
net.minecraft.world.level.block.state.BlockState newState
) {
getLevel().onBlockStateChange(blockPos, oldState, newState);
}
private synchronized void flushAsync(final boolean sendChunks) {
final Set<CachedChange> changes = Set.copyOf(cachedChanges);
cachedChanges.clear();
final Set<IntPair> toSend;
if (sendChunks) {
toSend = Set.copyOf(cachedChunksToSend);
cachedChunksToSend.clear();
} else {
toSend = Collections.emptySet();
}
RunnableVal<Object> runnableVal = new RunnableVal<>() {
@Override
public void run(Object value) {
changes.forEach(cc -> cc.levelChunk.setBlockState(cc.blockPos, cc.blockState,
sideEffectSet != null && sideEffectSet.shouldApply(SideEffect.UPDATE)
));
if (!sendChunks) {
return;
}
for (IntPair chunk : toSend) {
PaperweightPlatformAdapter.sendChunk(getLevel().getWorld().getHandle(), chunk.x(), chunk.z(), false);
}
}
};
TaskManager.taskManager().async(() -> TaskManager.taskManager().sync(runnableVal));
}
@Override
public synchronized void flush() {
RunnableVal<Object> runnableVal = new RunnableVal<>() {
@Override
public void run(Object value) {
cachedChanges.forEach(cc -> cc.levelChunk.setBlockState(cc.blockPos, cc.blockState,
sideEffectSet != null && sideEffectSet.shouldApply(SideEffect.UPDATE)
));
for (IntPair chunk : cachedChunksToSend) {
PaperweightPlatformAdapter.sendChunk(getLevel().getWorld().getHandle(), chunk.x(), chunk.z(), false);
}
}
};
if (Fawe.isMainThread()) {
runnableVal.run();
} else {
TaskManager.taskManager().sync(runnableVal);
}
cachedChanges.clear();
cachedChunksToSend.clear();
}
private record CachedChange(
LevelChunk levelChunk,
BlockPos blockPos,
net.minecraft.world.level.block.state.BlockState blockState
) {
}
}