CraftBukkit/src/main/java/org/bukkit/craftbukkit/CraftChunkSnapshot.java

120 lines
3.7 KiB
Java

package org.bukkit.craftbukkit;
import com.google.common.base.Preconditions;
import org.bukkit.ChunkSnapshot;
import org.bukkit.Material;
import org.bukkit.block.Biome;
import org.bukkit.block.data.BlockData;
import org.bukkit.craftbukkit.block.CraftBlock;
import org.bukkit.craftbukkit.block.data.CraftBlockData;
import org.bukkit.craftbukkit.util.CraftMagicNumbers;
import net.minecraft.server.BiomeBase;
import net.minecraft.server.DataPaletteBlock;
import net.minecraft.server.HeightMap;
import net.minecraft.server.IBlockData;
/**
* Represents a static, thread-safe snapshot of chunk of blocks
* Purpose is to allow clean, efficient copy of a chunk data to be made, and then handed off for processing in another thread (e.g. map rendering)
*/
public class CraftChunkSnapshot implements ChunkSnapshot {
private final int x, z;
private final String worldname;
private final DataPaletteBlock<IBlockData>[] blockids;
private final byte[][] skylight;
private final byte[][] emitlight;
private final boolean[] empty;
private final HeightMap hmap; // Height map
private final long captureFulltime;
private final BiomeBase[] biome;
private final double[] biomeTemp;
CraftChunkSnapshot(int x, int z, String wname, long wtime, DataPaletteBlock<IBlockData>[] sectionBlockIDs, byte[][] sectionSkyLights, byte[][] sectionEmitLights, boolean[] sectionEmpty, HeightMap hmap, BiomeBase[] biome, double[] biomeTemp) {
this.x = x;
this.z = z;
this.worldname = wname;
this.captureFulltime = wtime;
this.blockids = sectionBlockIDs;
this.skylight = sectionSkyLights;
this.emitlight = sectionEmitLights;
this.empty = sectionEmpty;
this.hmap = hmap;
this.biome = biome;
this.biomeTemp = biomeTemp;
}
public int getX() {
return x;
}
public int getZ() {
return z;
}
public String getWorldName() {
return worldname;
}
@Override
public Material getBlockType(int x, int y, int z) {
CraftChunk.validateChunkCoordinates(x, y, z);
return CraftMagicNumbers.getMaterial(blockids[y >> 4].a(x, y & 0xF, z).getBlock());
}
@Override
public final BlockData getBlockData(int x, int y, int z) {
CraftChunk.validateChunkCoordinates(x, y, z);
return CraftBlockData.fromData(blockids[y >> 4].a(x, y & 0xF, z));
}
@Override
public final int getData(int x, int y, int z) {
CraftChunk.validateChunkCoordinates(x, y, z);
return CraftMagicNumbers.toLegacyData(blockids[y >> 4].a(x, y & 0xF, z));
}
public final int getBlockSkyLight(int x, int y, int z) {
CraftChunk.validateChunkCoordinates(x, y, z);
int off = ((y & 0xF) << 7) | (z << 3) | (x >> 1);
return (skylight[y >> 4][off] >> ((x & 1) << 2)) & 0xF;
}
public final int getBlockEmittedLight(int x, int y, int z) {
CraftChunk.validateChunkCoordinates(x, y, z);
int off = ((y & 0xF) << 7) | (z << 3) | (x >> 1);
return (emitlight[y >> 4][off] >> ((x & 1) << 2)) & 0xF;
}
public final int getHighestBlockYAt(int x, int z) {
CraftChunk.validateChunkCoordinates(x, 0, z);
return hmap.a(x, z);
}
public final Biome getBiome(int x, int z) {
CraftChunk.validateChunkCoordinates(x, 0, z);
return CraftBlock.biomeBaseToBiome(biome[z << 4 | x]);
}
public final double getRawBiomeTemperature(int x, int z) {
CraftChunk.validateChunkCoordinates(x, 0, z);
return biomeTemp[z << 4 | x];
}
public final long getCaptureFullTime() {
return captureFulltime;
}
public final boolean isSectionEmpty(int sy) {
return empty[sy];
}
}