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