Paper/src/main/java/org/bukkit/craftbukkit/CraftChunkSnapshot.java
2012-03-02 00:47:21 -05:00

98 lines
3.0 KiB
Java

package org.bukkit.craftbukkit;
import org.bukkit.ChunkSnapshot;
import org.bukkit.block.Biome;
import org.bukkit.craftbukkit.block.CraftBlock;
import net.minecraft.server.BiomeBase;
/**
* 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 short[][] blockids; /* Block IDs, by section */
private final byte[][] blockdata;
private final byte[][] skylight;
private final byte[][] emitlight;
private final boolean[] empty;
private final int[] hmap; // Height map
private final long captureFulltime;
private final BiomeBase[] biome;
private final double[] biomeTemp;
private final double[] biomeRain;
CraftChunkSnapshot(int x, int z, String wname, long wtime, short[][] sectionBlockIDs, byte[][] sectionBlockData, byte[][] sectionSkyLights, byte[][] sectionEmitLights, boolean[] sectionEmpty, int[] hmap, BiomeBase[] biome, double[] biomeTemp, double[] biomeRain) {
this.x = x;
this.z = z;
this.worldname = wname;
this.captureFulltime = wtime;
this.blockids = sectionBlockIDs;
this.blockdata = sectionBlockData;
this.skylight = sectionSkyLights;
this.emitlight = sectionEmitLights;
this.empty = sectionEmpty;
this.hmap = hmap;
this.biome = biome;
this.biomeTemp = biomeTemp;
this.biomeRain = biomeRain;
}
public int getX() {
return x;
}
public int getZ() {
return z;
}
public String getWorldName() {
return worldname;
}
public final int getBlockTypeId(int x, int y, int z) {
return blockids[y >> 4][((y & 0xF) << 8) | (z << 4) | x];
}
public final int getBlockData(int x, int y, int z) {
int off = ((y & 0xF) << 7) | (z << 3) | (x >> 1);
return (blockdata[y >> 4][off] >> ((x & 1) << 2)) & 0xF;
}
public final int getBlockSkyLight(int x, int y, int 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) {
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) {
return hmap[z << 4 | x];
}
public final Biome getBiome(int x, int z) {
return CraftBlock.biomeBaseToBiome(biome[z << 4 | x]);
}
public final double getRawBiomeTemperature(int x, int z) {
return biomeTemp[z << 4 | x];
}
public final double getRawBiomeRainfall(int x, int z) {
return biomeRain[z << 4 | x];
}
public final long getCaptureFullTime() {
return captureFulltime;
}
public final boolean isSectionEmpty(int sy) {
return empty[sy];
}
}