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Implemented snapshot support for 1.2.

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By: Mike Primm <mike@primmhome.com>
This commit is contained in:
CraftBukkit/Spigot
2012-03-01 13:54:59 -06:00
parent 14196c7d71
commit 868d42aad6
2 changed files with 143 additions and 74 deletions
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61
paper-server/src/main/java/org/bukkit/craftbukkit/CraftChunkSnapshot.java
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@@ -13,23 +13,27 @@ import net.minecraft.server.BiomeBase;
public class CraftChunkSnapshot implements ChunkSnapshot {
private final int x, z;
private final String worldname;
private final byte[] buf; // Flat buffer in uncompressed chunk file format
private final byte[] hmap; // Height map
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;
private static final int BLOCKDATA_OFF = 32768;
private static final int BLOCKLIGHT_OFF = BLOCKDATA_OFF + 16384;
private static final int SKYLIGHT_OFF = BLOCKLIGHT_OFF + 16384;
CraftChunkSnapshot(int x, int z, String wname, long wtime, byte[] buf, byte[] hmap, BiomeBase[] biome, double[] biomeTemp, 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.buf = buf;
this.blockids = sectionBlockIDs;
this.blockdata = sectionBlockData;
this.skylight = sectionSkyLights;
this.emitlight = sectionEmitLights;
this.empty = sectionEmpty;
this.hmap = hmap;
this.biome = biome;
this.biomeTemp = biomeTemp;
@@ -48,45 +52,46 @@ public class CraftChunkSnapshot implements ChunkSnapshot {
return worldname;
}
public int getBlockTypeId(int x, int y, int z) {
return buf[x << 11 | z << 7 | y] & 255;
public final int getBlockTypeId(int x, int y, int z) {
return blockids[y >> 4][((y & 0xF) << 8) | (z << 4) | x];
}
public int getBlockData(int x, int y, int z) {
int off = ((x << 10) | (z << 6) | (y >> 1)) + BLOCKDATA_OFF;
return ((y & 1) == 0) ? (buf[off] & 0xF) : ((buf[off] >> 4) & 0xF);
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 int getBlockSkyLight(int x, int y, int z) {
int off = ((x << 10) | (z << 6) | (y >> 1)) + SKYLIGHT_OFF;
return ((y & 1) == 0) ? (buf[off] & 0xF) : ((buf[off] >> 4) & 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 int getBlockEmittedLight(int x, int y, int z) {
int off = ((x << 10) | (z << 6) | (y >> 1)) + BLOCKLIGHT_OFF;
return ((y & 1) == 0) ? (buf[off] & 0xF) : ((buf[off] >> 4) & 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 int getHighestBlockYAt(int x, int z) {
return hmap[z << 4 | x] & 255;
public final int getHighestBlockYAt(int x, int z) {
return hmap[z << 4 | x];
}
public Biome getBiome(int x, int z) {
public final Biome getBiome(int x, int z) {
return CraftBlock.biomeBaseToBiome(biome[z << 4 | x]);
}
public double getRawBiomeTemperature(int x, int z) {
public final double getRawBiomeTemperature(int x, int z) {
return biomeTemp[z << 4 | x];
}
public double getRawBiomeRainfall(int x, int z) {
public final double getRawBiomeRainfall(int x, int z) {
return biomeRain[z << 4 | x];
}
public long getCaptureFullTime() {
public final long getCaptureFullTime() {
return captureFulltime;
}
public final boolean isSectionEmpty(int sy) {
return empty[sy];
}
}