329 lines
11 KiB
Java
329 lines
11 KiB
Java
package org.bukkit.craftbukkit;
|
|
|
|
import com.google.common.base.Preconditions;
|
|
import java.lang.ref.WeakReference;
|
|
import java.util.Arrays;
|
|
import net.minecraft.server.BiomeBase;
|
|
import net.minecraft.server.BlockPosition;
|
|
import net.minecraft.server.Blocks;
|
|
import net.minecraft.server.ChunkSection;
|
|
import net.minecraft.server.DataPaletteBlock;
|
|
import net.minecraft.server.EnumSkyBlock;
|
|
import net.minecraft.server.GameProfileSerializer;
|
|
import net.minecraft.server.HeightMap;
|
|
import net.minecraft.server.IBlockData;
|
|
import net.minecraft.server.LightEngine;
|
|
import net.minecraft.server.NBTTagCompound;
|
|
import net.minecraft.server.NibbleArray;
|
|
import net.minecraft.server.SectionPosition;
|
|
import net.minecraft.server.SeededRandom;
|
|
import net.minecraft.server.WorldChunkManager;
|
|
import net.minecraft.server.WorldServer;
|
|
import org.bukkit.Chunk;
|
|
import org.bukkit.ChunkSnapshot;
|
|
import org.bukkit.World;
|
|
import org.bukkit.block.Block;
|
|
import org.bukkit.block.BlockState;
|
|
import org.bukkit.craftbukkit.block.CraftBlock;
|
|
import org.bukkit.craftbukkit.util.CraftMagicNumbers;
|
|
import org.bukkit.entity.Entity;
|
|
|
|
public class CraftChunk implements Chunk {
|
|
private WeakReference<net.minecraft.server.Chunk> weakChunk;
|
|
private final WorldServer worldServer;
|
|
private final int x;
|
|
private final int z;
|
|
private static final DataPaletteBlock<IBlockData> emptyBlockIDs = new ChunkSection(0).getBlocks();
|
|
private static final byte[] emptyLight = new byte[2048];
|
|
|
|
public CraftChunk(net.minecraft.server.Chunk chunk) {
|
|
this.weakChunk = new WeakReference<net.minecraft.server.Chunk>(chunk);
|
|
|
|
worldServer = (WorldServer) getHandle().world;
|
|
x = getHandle().getPos().x;
|
|
z = getHandle().getPos().z;
|
|
}
|
|
|
|
@Override
|
|
public World getWorld() {
|
|
return worldServer.getWorld();
|
|
}
|
|
|
|
public CraftWorld getCraftWorld() {
|
|
return (CraftWorld) getWorld();
|
|
}
|
|
|
|
public net.minecraft.server.Chunk getHandle() {
|
|
net.minecraft.server.Chunk c = weakChunk.get();
|
|
|
|
if (c == null) {
|
|
c = worldServer.getChunkAt(x, z);
|
|
|
|
weakChunk = new WeakReference<net.minecraft.server.Chunk>(c);
|
|
}
|
|
|
|
return c;
|
|
}
|
|
|
|
void breakLink() {
|
|
weakChunk.clear();
|
|
}
|
|
|
|
@Override
|
|
public int getX() {
|
|
return x;
|
|
}
|
|
|
|
@Override
|
|
public int getZ() {
|
|
return z;
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
return "CraftChunk{" + "x=" + getX() + "z=" + getZ() + '}';
|
|
}
|
|
|
|
@Override
|
|
public Block getBlock(int x, int y, int z) {
|
|
validateChunkCoordinates(x, y, z);
|
|
|
|
return new CraftBlock(worldServer, new BlockPosition((this.x << 4) | x, y, (this.z << 4) | z));
|
|
}
|
|
|
|
@Override
|
|
public Entity[] getEntities() {
|
|
int count = 0, index = 0;
|
|
net.minecraft.server.Chunk chunk = getHandle();
|
|
|
|
for (int i = 0; i < 16; i++) {
|
|
count += chunk.entitySlices[i].size();
|
|
}
|
|
|
|
Entity[] entities = new Entity[count];
|
|
|
|
for (int i = 0; i < 16; i++) {
|
|
|
|
for (Object obj : chunk.entitySlices[i].toArray()) {
|
|
if (!(obj instanceof net.minecraft.server.Entity)) {
|
|
continue;
|
|
}
|
|
|
|
entities[index++] = ((net.minecraft.server.Entity) obj).getBukkitEntity();
|
|
}
|
|
}
|
|
|
|
return entities;
|
|
}
|
|
|
|
@Override
|
|
public BlockState[] getTileEntities() {
|
|
int index = 0;
|
|
net.minecraft.server.Chunk chunk = getHandle();
|
|
|
|
BlockState[] entities = new BlockState[chunk.tileEntities.size()];
|
|
|
|
for (Object obj : chunk.tileEntities.keySet().toArray()) {
|
|
if (!(obj instanceof BlockPosition)) {
|
|
continue;
|
|
}
|
|
|
|
BlockPosition position = (BlockPosition) obj;
|
|
entities[index++] = worldServer.getWorld().getBlockAt(position.getX(), position.getY(), position.getZ()).getState();
|
|
}
|
|
|
|
return entities;
|
|
}
|
|
|
|
@Override
|
|
public boolean isLoaded() {
|
|
return getWorld().isChunkLoaded(this);
|
|
}
|
|
|
|
@Override
|
|
public boolean load() {
|
|
return getWorld().loadChunk(getX(), getZ(), true);
|
|
}
|
|
|
|
@Override
|
|
public boolean load(boolean generate) {
|
|
return getWorld().loadChunk(getX(), getZ(), generate);
|
|
}
|
|
|
|
@Override
|
|
public boolean unload() {
|
|
return getWorld().unloadChunk(getX(), getZ());
|
|
}
|
|
|
|
@Override
|
|
public boolean isSlimeChunk() {
|
|
// 987234911L is deterimined in EntitySlime when seeing if a slime can spawn in a chunk
|
|
return SeededRandom.a(getX(), getZ(), getWorld().getSeed(), 987234911L).nextInt(10) == 0;
|
|
}
|
|
|
|
@Override
|
|
public boolean unload(boolean save) {
|
|
return getWorld().unloadChunk(getX(), getZ(), save);
|
|
}
|
|
|
|
@Override
|
|
public boolean isForceLoaded() {
|
|
return getWorld().isChunkForceLoaded(getX(), getZ());
|
|
}
|
|
|
|
@Override
|
|
public void setForceLoaded(boolean forced) {
|
|
getWorld().setChunkForceLoaded(getX(), getZ(), forced);
|
|
}
|
|
|
|
@Override
|
|
public ChunkSnapshot getChunkSnapshot() {
|
|
return getChunkSnapshot(true, false, false);
|
|
}
|
|
|
|
@Override
|
|
public ChunkSnapshot getChunkSnapshot(boolean includeMaxBlockY, boolean includeBiome, boolean includeBiomeTempRain) {
|
|
net.minecraft.server.Chunk chunk = getHandle();
|
|
|
|
ChunkSection[] cs = chunk.getSections();
|
|
DataPaletteBlock[] sectionBlockIDs = new DataPaletteBlock[cs.length];
|
|
byte[][] sectionSkyLights = new byte[cs.length][];
|
|
byte[][] sectionEmitLights = new byte[cs.length][];
|
|
boolean[] sectionEmpty = new boolean[cs.length];
|
|
|
|
for (int i = 0; i < cs.length; i++) {
|
|
if (cs[i] == null) { // Section is empty?
|
|
sectionBlockIDs[i] = emptyBlockIDs;
|
|
sectionSkyLights[i] = emptyLight;
|
|
sectionEmitLights[i] = emptyLight;
|
|
sectionEmpty[i] = true;
|
|
} else { // Not empty
|
|
NBTTagCompound data = new NBTTagCompound();
|
|
cs[i].getBlocks().a(data, "Palette", "BlockStates");
|
|
|
|
DataPaletteBlock blockids = new DataPaletteBlock<>(ChunkSection.GLOBAL_PALETTE, net.minecraft.server.Block.REGISTRY_ID, GameProfileSerializer::d, GameProfileSerializer::a, Blocks.AIR.getBlockData()); // TODO: snapshot whole ChunkSection
|
|
blockids.a(data.getList("Palette", CraftMagicNumbers.NBT.TAG_COMPOUND), data.getLongArray("BlockStates"));
|
|
|
|
sectionBlockIDs[i] = blockids;
|
|
|
|
LightEngine lightengine = chunk.world.getChunkProvider().getLightEngine();
|
|
NibbleArray skyLightArray = lightengine.a(EnumSkyBlock.SKY).a(SectionPosition.a(x, i, z));
|
|
if (skyLightArray == null) {
|
|
sectionSkyLights[i] = emptyLight;
|
|
} else {
|
|
sectionSkyLights[i] = new byte[2048];
|
|
System.arraycopy(skyLightArray.asBytes(), 0, sectionSkyLights[i], 0, 2048);
|
|
}
|
|
NibbleArray emitLightArray = lightengine.a(EnumSkyBlock.BLOCK).a(SectionPosition.a(x, i, z));
|
|
if (emitLightArray == null) {
|
|
sectionEmitLights[i] = emptyLight;
|
|
} else {
|
|
sectionEmitLights[i] = new byte[2048];
|
|
System.arraycopy(emitLightArray.asBytes(), 0, sectionEmitLights[i], 0, 2048);
|
|
}
|
|
}
|
|
}
|
|
|
|
HeightMap hmap = null;
|
|
|
|
if (includeMaxBlockY) {
|
|
hmap = new HeightMap(null, HeightMap.Type.MOTION_BLOCKING);
|
|
hmap.a(chunk.heightMap.get(HeightMap.Type.MOTION_BLOCKING).a());
|
|
}
|
|
|
|
BiomeBase[] biome = null;
|
|
double[] biomeTemp = null;
|
|
|
|
if (includeBiome || includeBiomeTempRain) {
|
|
WorldChunkManager wcm = worldServer.getChunkProvider().getChunkGenerator().getWorldChunkManager();
|
|
|
|
if (includeBiome) {
|
|
biome = new BiomeBase[256];
|
|
for (int i = 0; i < 256; i++) {
|
|
biome[i] = chunk.getBiome(new BlockPosition(i & 0xF, 0, i >> 4));
|
|
}
|
|
}
|
|
|
|
if (includeBiomeTempRain) {
|
|
biomeTemp = new double[256];
|
|
float[] dat = getTemperatures(wcm, getX() << 4, getZ() << 4);
|
|
|
|
for (int i = 0; i < 256; i++) {
|
|
biomeTemp[i] = dat[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
World world = getWorld();
|
|
return new CraftChunkSnapshot(getX(), getZ(), world.getName(), world.getFullTime(), sectionBlockIDs, sectionSkyLights, sectionEmitLights, sectionEmpty, hmap, biome, biomeTemp);
|
|
}
|
|
|
|
public static ChunkSnapshot getEmptyChunkSnapshot(int x, int z, CraftWorld world, boolean includeBiome, boolean includeBiomeTempRain) {
|
|
BiomeBase[] biome = null;
|
|
double[] biomeTemp = null;
|
|
|
|
if (includeBiome || includeBiomeTempRain) {
|
|
WorldChunkManager wcm = world.getHandle().getChunkProvider().getChunkGenerator().getWorldChunkManager();
|
|
|
|
if (includeBiome) {
|
|
biome = new BiomeBase[256];
|
|
for (int i = 0; i < 256; i++) {
|
|
biome[i] = world.getHandle().getBiome(new BlockPosition((x << 4) + (i & 0xF), 0, (z << 4) + (i >> 4)));
|
|
}
|
|
}
|
|
|
|
if (includeBiomeTempRain) {
|
|
biomeTemp = new double[256];
|
|
float[] dat = getTemperatures(wcm, x << 4, z << 4);
|
|
|
|
for (int i = 0; i < 256; i++) {
|
|
biomeTemp[i] = dat[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Fill with empty data */
|
|
int hSection = world.getMaxHeight() >> 4;
|
|
DataPaletteBlock[] blockIDs = new DataPaletteBlock[hSection];
|
|
byte[][] skyLight = new byte[hSection][];
|
|
byte[][] emitLight = new byte[hSection][];
|
|
boolean[] empty = new boolean[hSection];
|
|
|
|
for (int i = 0; i < hSection; i++) {
|
|
blockIDs[i] = emptyBlockIDs;
|
|
skyLight[i] = emptyLight;
|
|
emitLight[i] = emptyLight;
|
|
empty[i] = true;
|
|
}
|
|
|
|
return new CraftChunkSnapshot(x, z, world.getName(), world.getFullTime(), blockIDs, skyLight, emitLight, empty, new HeightMap(null, HeightMap.Type.MOTION_BLOCKING), biome, biomeTemp);
|
|
}
|
|
|
|
private static float[] getTemperatures(WorldChunkManager chunkmanager, int chunkX, int chunkZ) {
|
|
BiomeBase[] biomes = chunkmanager.getBiomeBlock(chunkX, chunkZ, 16, 16);
|
|
float[] temps = new float[biomes.length];
|
|
|
|
for (int i = 0; i < biomes.length; i++) {
|
|
float temp = biomes[i].getTemperature(); // Vanilla of olde: ((int) biomes[i].temperature * 65536.0F) / 65536.0F
|
|
|
|
if (temp > 1F) {
|
|
temp = 1F;
|
|
}
|
|
|
|
temps[i] = temp;
|
|
}
|
|
|
|
return temps;
|
|
}
|
|
|
|
static void validateChunkCoordinates(int x, int y, int z) {
|
|
Preconditions.checkArgument(0 <= x && x <= 15, "x out of range (expected 0-15, got %s)", x);
|
|
Preconditions.checkArgument(0 <= y && y <= 255, "y out of range (expected 0-255, got %s)", y);
|
|
Preconditions.checkArgument(0 <= z && z <= 15, "z out of range (expected 0-15, got %s)", z);
|
|
}
|
|
|
|
static {
|
|
Arrays.fill(emptyLight, (byte) 0xFF);
|
|
}
|
|
}
|