forked from xjboss/KCauldronX
Initial commit (Forge 1291).
This commit is contained in:
gamerforEA
346
src/main/java/org/bukkit/craftbukkit/CraftChunk.java
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346
src/main/java/org/bukkit/craftbukkit/CraftChunk.java
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package org.bukkit.craftbukkit;
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import java.lang.ref.WeakReference;
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import java.util.Arrays;
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import org.bukkit.Chunk;
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import org.bukkit.World;
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import org.bukkit.block.Block;
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import org.bukkit.block.BlockState;
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import org.bukkit.craftbukkit.block.CraftBlock;
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import org.bukkit.entity.Entity;
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import org.bukkit.ChunkSnapshot;
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public class CraftChunk implements Chunk {
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private WeakReference<net.minecraft.world.chunk.Chunk> weakChunk;
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private final net.minecraft.world.WorldServer worldServer;
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private final int x;
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private final int z;
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private static final byte[] emptyData = new byte[2048];
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private static final short[] emptyBlockIDs = new short[4096];
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private static final byte[] emptySkyLight = new byte[2048];
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public CraftChunk(net.minecraft.world.chunk.Chunk chunk) {
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if (!(chunk instanceof net.minecraft.world.chunk.EmptyChunk)) {
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this.weakChunk = new WeakReference<net.minecraft.world.chunk.Chunk>(chunk);
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}
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worldServer = (net.minecraft.world.WorldServer) getHandle().worldObj;
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x = getHandle().xPosition;
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z = getHandle().zPosition;
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}
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public World getWorld() {
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return worldServer.getWorld();
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}
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public CraftWorld getCraftWorld() {
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return (CraftWorld) getWorld();
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}
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public net.minecraft.world.chunk.Chunk getHandle() {
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net.minecraft.world.chunk.Chunk c = weakChunk.get();
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if (c == null) {
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c = worldServer.getChunkFromChunkCoords(x, z);
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if (!(c instanceof net.minecraft.world.chunk.EmptyChunk)) {
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weakChunk = new WeakReference<net.minecraft.world.chunk.Chunk>(c);
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}
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}
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return c;
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}
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void breakLink() {
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weakChunk.clear();
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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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@Override
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public String toString() {
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return "CraftChunk{" + "x=" + getX() + "z=" + getZ() + '}';
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}
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public Block getBlock(int x, int y, int z) {
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return new CraftBlock(this, (getX() << 4) | (x & 0xF), y & 0xFF, (getZ() << 4) | (z & 0xF));
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}
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public Entity[] getEntities() {
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int count = 0, index = 0;
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net.minecraft.world.chunk.Chunk chunk = getHandle();
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for (int i = 0; i < 16; i++) {
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count += chunk.entityLists[i].size();
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}
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Entity[] entities = new Entity[count];
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for (int i = 0; i < 16; i++) {
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for (Object obj : chunk.entityLists[i].toArray()) {
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if (!(obj instanceof net.minecraft.entity.Entity)) {
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continue;
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}
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entities[index++] = ((net.minecraft.entity.Entity) obj).getBukkitEntity();
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}
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}
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return entities;
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}
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public BlockState[] getTileEntities() {
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int index = 0;
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net.minecraft.world.chunk.Chunk chunk = getHandle();
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BlockState[] entities = new BlockState[chunk.chunkTileEntityMap.size()];
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for (Object obj : chunk.chunkTileEntityMap.keySet().toArray()) {
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if (!(obj instanceof net.minecraft.world.ChunkPosition)) {
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continue;
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}
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net.minecraft.world.ChunkPosition position = (net.minecraft.world.ChunkPosition) obj;
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entities[index++] = worldServer.getWorld().getBlockAt(position.chunkPosX + (chunk.xPosition << 4), position.chunkPosY, position.chunkPosZ + (chunk.zPosition << 4)).getState();
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}
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return entities;
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}
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public boolean isLoaded() {
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return getWorld().isChunkLoaded(this);
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}
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public boolean load() {
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return getWorld().loadChunk(getX(), getZ(), true);
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}
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public boolean load(boolean generate) {
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return getWorld().loadChunk(getX(), getZ(), generate);
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}
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public boolean unload() {
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return getWorld().unloadChunk(getX(), getZ());
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}
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public boolean unload(boolean save) {
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return getWorld().unloadChunk(getX(), getZ(), save);
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}
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public boolean unload(boolean save, boolean safe) {
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return getWorld().unloadChunk(getX(), getZ(), save, safe);
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}
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public ChunkSnapshot getChunkSnapshot() {
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return getChunkSnapshot(true, false, false);
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}
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public ChunkSnapshot getChunkSnapshot(boolean includeMaxBlockY, boolean includeBiome, boolean includeBiomeTempRain) {
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net.minecraft.world.chunk.Chunk chunk = getHandle();
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net.minecraft.world.chunk.storage.ExtendedBlockStorage[] cs = chunk.getBlockStorageArray(); /* Get sections */
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short[][] sectionBlockIDs = new short[cs.length][];
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byte[][] sectionBlockData = new byte[cs.length][];
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byte[][] sectionSkyLights = new byte[cs.length][];
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byte[][] sectionEmitLights = new byte[cs.length][];
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boolean[] sectionEmpty = new boolean[cs.length];
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for (int i = 0; i < cs.length; i++) {
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if (cs[i] == null) { /* Section is empty? */
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sectionBlockIDs[i] = emptyBlockIDs;
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sectionBlockData[i] = emptyData;
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sectionSkyLights[i] = emptySkyLight;
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sectionEmitLights[i] = emptyData;
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sectionEmpty[i] = true;
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} else { /* Not empty */
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short[] blockids = new short[4096];
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byte[] baseids = cs[i].getBlockLSBArray();
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/* Copy base IDs */
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for (int j = 0; j < 4096; j++) {
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blockids[j] = (short) (baseids[j] & 0xFF);
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}
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if (cs[i].getBlockMSBArray() != null) { /* If we've got extended IDs */
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// Spigot start
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if (cs[i].getBlockMSBArray().isTrivialArray()) {
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int tval = cs[i].getBlockMSBArray().getTrivialArrayValue();
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if (tval != 0) {
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tval = tval << 8;
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for (int j = 0; j < 4096; j++) {
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blockids[j] |= tval;
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}
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}
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} else {
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byte[] extids = cs[i].getBlockMSBArray().getValueArray();
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// Spigot end
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for (int j = 0; j < 2048; j++) {
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short b = (short) (extids[j] & 0xFF);
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if (b == 0) {
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continue;
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}
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blockids[j<<1] |= (b & 0x0F) << 8;
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blockids[(j<<1)+1] |= (b & 0xF0) << 4;
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}
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} // Spigot
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}
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sectionBlockIDs[i] = blockids;
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/* Get block data nibbles */
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// Spigot start
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if (cs[i].getMetadataArray().isTrivialArray() && (cs[i].getMetadataArray().getTrivialArrayValue() == 0)) {
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sectionBlockData[i] = emptyData;
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} else {
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sectionBlockData[i] = new byte[2048];
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cs[i].getMetadataArray().copyToByteArray(sectionBlockData[i], 0);
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}
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if (cs[i].getSkylightArray() == null) {
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sectionSkyLights[i] = emptyData;
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}
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else if (cs[i].getSkylightArray().isTrivialArray()) {
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if (cs[i].getSkylightArray().getTrivialArrayValue() == 0) {
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sectionSkyLights[i] = emptyData;
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} else if (cs[i].getSkylightArray().getTrivialArrayValue() == 15) {
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sectionSkyLights[i] = emptySkyLight;
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} else {
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sectionSkyLights[i] = new byte[2048];
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cs[i].getSkylightArray().copyToByteArray(sectionSkyLights[i], 0);
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}
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} else {
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sectionSkyLights[i] = new byte[2048];
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cs[i].getSkylightArray().copyToByteArray(sectionSkyLights[i], 0);
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}
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if (cs[i].getBlocklightArray().isTrivialArray() && (cs[i].getBlocklightArray().getTrivialArrayValue() == 0)) {
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sectionEmitLights[i] = emptyData;
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} else {
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sectionEmitLights[i] = new byte[2048];
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cs[i].getBlocklightArray().copyToByteArray(sectionEmitLights[i], 0);
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}
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// Spigot end
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}
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}
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int[] hmap = null;
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if (includeMaxBlockY) {
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hmap = new int[256]; // Get copy of height map
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System.arraycopy(chunk.heightMap, 0, hmap, 0, 256);
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}
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net.minecraft.world.biome.BiomeGenBase[] biome = null;
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double[] biomeTemp = null;
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double[] biomeRain = null;
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if (includeBiome || includeBiomeTempRain) {
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net.minecraft.world.biome.WorldChunkManager wcm = chunk.worldObj.getWorldChunkManager();
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if (includeBiome) {
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biome = new net.minecraft.world.biome.BiomeGenBase[256];
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for (int i = 0; i < 256; i++) {
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biome[i] = chunk.getBiomeGenForWorldCoords(i & 0xF, i >> 4, wcm);
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}
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}
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if (includeBiomeTempRain) {
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biomeTemp = new double[256];
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biomeRain = new double[256];
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float[] dat = getTemperatures(wcm, getX() << 4, getZ() << 4);
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for (int i = 0; i < 256; i++) {
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biomeTemp[i] = dat[i];
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}
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dat = wcm.getRainfall(null, getX() << 4, getZ() << 4, 16, 16);
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for (int i = 0; i < 256; i++) {
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biomeRain[i] = dat[i];
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}
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}
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}
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World world = getWorld();
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return new CraftChunkSnapshot(getX(), getZ(), world.getName(), world.getFullTime(), sectionBlockIDs, sectionBlockData, sectionSkyLights, sectionEmitLights, sectionEmpty, hmap, biome, biomeTemp, biomeRain);
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}
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public static ChunkSnapshot getEmptyChunkSnapshot(int x, int z, CraftWorld world, boolean includeBiome, boolean includeBiomeTempRain) {
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net.minecraft.world.biome.BiomeGenBase[] biome = null;
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double[] biomeTemp = null;
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double[] biomeRain = null;
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if (includeBiome || includeBiomeTempRain) {
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net.minecraft.world.biome.WorldChunkManager wcm = world.getHandle().getWorldChunkManager();
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if (includeBiome) {
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biome = new net.minecraft.world.biome.BiomeGenBase[256];
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for (int i = 0; i < 256; i++) {
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biome[i] = world.getHandle().getBiomeGenForCoords((x << 4) + (i & 0xF), (z << 4) + (i >> 4));
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}
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}
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if (includeBiomeTempRain) {
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biomeTemp = new double[256];
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biomeRain = new double[256];
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float[] dat = getTemperatures(wcm, x << 4, z << 4);
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for (int i = 0; i < 256; i++) {
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biomeTemp[i] = dat[i];
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}
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dat = wcm.getRainfall(null, x << 4, z << 4, 16, 16);
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for (int i = 0; i < 256; i++) {
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biomeRain[i] = dat[i];
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}
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}
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}
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/* Fill with empty data */
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int hSection = world.getMaxHeight() >> 4;
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short[][] blockIDs = new short[hSection][];
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byte[][] skyLight = new byte[hSection][];
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byte[][] emitLight = new byte[hSection][];
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byte[][] blockData = new byte[hSection][];
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boolean[] empty = new boolean[hSection];
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for (int i = 0; i < hSection; i++) {
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blockIDs[i] = emptyBlockIDs;
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skyLight[i] = emptySkyLight;
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emitLight[i] = emptyData;
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blockData[i] = emptyData;
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empty[i] = true;
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}
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return new CraftChunkSnapshot(x, z, world.getName(), world.getFullTime(), blockIDs, blockData, skyLight, emitLight, empty, new int[256], biome, biomeTemp, biomeRain);
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}
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private static float[] getTemperatures(net.minecraft.world.biome.WorldChunkManager chunkmanager, int chunkX, int chunkZ) {
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net.minecraft.world.biome.BiomeGenBase[] biomes = chunkmanager.getBiomesForGeneration(null, chunkX, chunkZ, 16, 16);
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float[] temps = new float[biomes.length];
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for (int i = 0; i < biomes.length; i++) {
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float temp = biomes[i].temperature; // Vanilla of olde: ((int) biomes[i].temperature * 65536.0F) / 65536.0F
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if (temp > 1F) {
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temp = 1F;
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}
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temps[i] = temp;
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}
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return temps;
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}
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static {
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Arrays.fill(emptySkyLight, (byte) 0xFF);
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}
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}
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Block a user