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https://github.com/webbukkit/dynmap.git
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Chunk state performance for 1.9.4
This commit is contained in:
Mike Primm
parent
c28cbb23ba
commit
690b56d6d3
@ -1,15 +1,12 @@
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package org.dynmap.forge_1_9_4;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import java.util.Arrays;
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import org.dynmap.Log;
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import org.dynmap.renderer.DynmapBlockState;
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import net.minecraft.nbt.NBTTagCompound;
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import net.minecraft.nbt.NBTTagList;
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import net.minecraft.world.chunk.NibbleArray;
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import scala.actors.threadpool.Arrays;
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/**
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* Represents a static, thread-safe snapshot of chunk of blocks
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@ -17,11 +14,15 @@ import scala.actors.threadpool.Arrays;
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*/
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public class ChunkSnapshot
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{
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private static interface Section {
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public DynmapBlockState getBlockType(int x, int y, int z);
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public int getBlockSkyLight(int x, int y, int z);
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public int getBlockEmittedLight(int x, int y, int z);
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public boolean isEmpty();
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}
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private final int x, z;
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private final int[][] blockidx; /* Block state index, by section */
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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 Section[] section;
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private final int[] hmap; // Height map
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private final int[] biome;
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private final long captureFulltime;
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@ -30,18 +31,66 @@ public class ChunkSnapshot
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private static final int BLOCKS_PER_SECTION = 16 * 16 * 16;
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private static final int COLUMNS_PER_CHUNK = 16 * 16;
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private static final int[] emptyIdx = new int[BLOCKS_PER_SECTION];
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private static final byte[] emptyData = new byte[BLOCKS_PER_SECTION / 2];
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private static final byte[] fullData = new byte[BLOCKS_PER_SECTION / 2];
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static
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{
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for (int i = 0; i < fullData.length; i++)
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{
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fullData[i] = (byte)0xFF;
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Arrays.fill(fullData, (byte)0xFF);
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}
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private static class EmptySection implements Section {
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@Override
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public DynmapBlockState getBlockType(int x, int y, int z) {
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return DynmapBlockState.AIR;
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}
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@Override
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public int getBlockSkyLight(int x, int y, int z) {
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return 15;
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}
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@Override
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public int getBlockEmittedLight(int x, int y, int z) {
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return 0;
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}
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@Override
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public boolean isEmpty() {
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return true;
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}
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}
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private static final EmptySection empty_section = new EmptySection();
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private static class StdSection implements Section {
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DynmapBlockState[] states;
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byte[] skylight;
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byte[] emitlight;
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public StdSection() {
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states = new DynmapBlockState[BLOCKS_PER_SECTION];
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Arrays.fill(states, DynmapBlockState.AIR);
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skylight = emptyData;
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emitlight = emptyData;
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}
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@Override
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public DynmapBlockState getBlockType(int x, int y, int z) {
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return states[((y & 0xF) << 8) | (z << 4) | x];
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}
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@Override
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public int getBlockSkyLight(int x, int y, int z) {
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int off = ((y & 0xF) << 7) | (z << 3) | (x >> 1);
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return (skylight[off] >> (4 * (x & 1))) & 0xF;
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}
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@Override
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public int getBlockEmittedLight(int x, int y, int z)
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{
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int off = ((y & 0xF) << 7) | (z << 3) | (x >> 1);
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return (emitlight[off] >> (4 * (x & 1))) & 0xF;
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}
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@Override
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public boolean isEmpty() {
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return false;
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}
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}
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/**
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* Construct empty chunk snapshot
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*
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@ -56,18 +105,11 @@ public class ChunkSnapshot
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this.biome = new int[COLUMNS_PER_CHUNK];
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this.sectionCnt = worldheight / 16;
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/* Allocate arrays indexed by section */
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this.blockidx = new int[this.sectionCnt][];
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this.skylight = new byte[this.sectionCnt][];
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this.emitlight = new byte[this.sectionCnt][];
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this.empty = new boolean[this.sectionCnt];
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this.section = new Section[this.sectionCnt];
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/* Fill with empty data */
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for (int i = 0; i < this.sectionCnt; i++)
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{
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this.empty[i] = true;
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this.blockidx[i] = emptyIdx;
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this.emitlight[i] = emptyData;
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this.skylight[i] = fullData;
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for (int i = 0; i < this.sectionCnt; i++) {
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this.section[i] = empty_section;
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}
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/* Create empty height map */
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@ -89,16 +131,10 @@ public class ChunkSnapshot
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this.inhabitedTicks = 0;
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}
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/* Allocate arrays indexed by section */
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this.blockidx = new int[this.sectionCnt][];
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this.skylight = new byte[this.sectionCnt][];
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this.emitlight = new byte[this.sectionCnt][];
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this.empty = new boolean[this.sectionCnt];
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this.section = new Section[this.sectionCnt];
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/* Fill with empty data */
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for (int i = 0; i < this.sectionCnt; i++) {
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this.empty[i] = true;
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this.blockidx[i] = emptyIdx;
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this.emitlight[i] = emptyData;
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this.skylight[i] = fullData;
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this.section[i] = empty_section;
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}
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/* Get sections */
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NBTTagList sect = nbt.getTagList("Sections", 10);
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@ -109,8 +145,10 @@ public class ChunkSnapshot
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Log.info("Section " + (int) secnum + " above world height " + worldheight);
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continue;
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}
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int[] blkidxs = new int[BLOCKS_PER_SECTION];
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this.blockidx[secnum] = blkidxs;
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// Create normal section to initialize
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StdSection cursect = new StdSection();
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this.section[secnum] = cursect;
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DynmapBlockState[] states = cursect.states;
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// JEI format
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if (sec.hasKey("Palette", 11)) {
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int[] p = sec.getIntArray("Palette");
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@ -128,59 +166,73 @@ public class ChunkSnapshot
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idx2 += (255 & msb_bytes[2*j+1]) << 4;
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}
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// Get even block id
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blkidxs[2*j] = (idx < p.length) ? p[idx] : 0;
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states[2*j] = DynmapPlugin.stateByID[(idx < p.length) ? p[idx] : 0];
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// Get odd block id
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blkidxs[2*j+1] = (idx2 < p.length) ? p[idx2] : 0;
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states[2*j+1] = DynmapPlugin.stateByID[(idx2 < p.length) ? p[idx2] : 0];
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}
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}
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else {
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// Get block IDs
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byte[] lsb_bytes = sec.getByteArray("Blocks");
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int len = BLOCKS_PER_SECTION;
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if(len > lsb_bytes.length) len = lsb_bytes.length;
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for(int j = 0; j < len; j++) {
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blkidxs[j] = (0xFF & lsb_bytes[j]) << 4;
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if (lsb_bytes.length < BLOCKS_PER_SECTION) {
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lsb_bytes = Arrays.copyOf(lsb_bytes, BLOCKS_PER_SECTION);
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}
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// Get any additional ID data
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byte[] addid = null;
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if (sec.hasKey("Add", 7)) { /* If additional data, add it */
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byte[] msb = sec.getByteArray("Add");
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len = BLOCKS_PER_SECTION / 2;
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if(len > msb.length) len = msb.length;
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for (int j = 0; j < len; j++) {
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short b = (short)(msb[j] & 0xFF);
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if (b == 0) {
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continue;
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}
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blkidxs[j << 1] |= (b & 0x0F) << 12;
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blkidxs[(j << 1) + 1] |= (b & 0xF0) << 8;
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addid = sec.getByteArray("Add");
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if (addid.length < (BLOCKS_PER_SECTION / 2)) {
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addid = Arrays.copyOf(addid, (BLOCKS_PER_SECTION / 2));
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}
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}
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// Check for NEID additional additional ID data
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byte[] addid2 = null;
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if (sec.hasKey("Add2", 7)) { /* If additional data (NEID), add it */
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byte[] msb = sec.getByteArray("Add2");
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len = BLOCKS_PER_SECTION / 2;
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if(len > msb.length) len = msb.length;
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for (int j = 0; j < len; j++) {
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short b = (short)(msb[j] & 0xFF);
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if (b == 0) {
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continue;
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}
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blkidxs[j << 1] |= (b & 0x0F) << 16;
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blkidxs[(j << 1) + 1] |= (b & 0xF0) << 12;
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addid2 = sec.getByteArray("Add2");
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if (addid2.length < (BLOCKS_PER_SECTION / 2)) {
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addid2 = Arrays.copyOf(addid2, (BLOCKS_PER_SECTION / 2));
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}
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}
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byte[] bd = sec.getByteArray("Data");
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for (int j = 0; j < bd.length; j++) {
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int b = bd[j] & 0xFF;
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if (b == 0) {
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continue;
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}
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blkidxs[j << 1] |= b & 0x0F;
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blkidxs[(j << 1) + 1] |= (b & 0xF0) >> 4;
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// Get meta nibble data
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byte[] bd = null;
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if (sec.hasKey("Data", 7)) {
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bd = sec.getByteArray("Data");
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if (bd.length < (BLOCKS_PER_SECTION / 2)) {
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bd = Arrays.copyOf(bd, (BLOCKS_PER_SECTION / 2));
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}
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}
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this.emitlight[secnum] = sec.getByteArray("BlockLight");
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// Traverse section
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for(int j = 0; j < BLOCKS_PER_SECTION; j += 2) {
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// Start with block ID
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int id = (0xFF & lsb_bytes[j]) << 4;
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int id2 = (0xFF & lsb_bytes[j+1]) << 4;
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// Add in additional parts
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if (addid != null) {
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byte b = addid[j >> 1];
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id += (0xF & b) << 12;
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id2 += (0xF0 & b) << 8;
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}
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// Add in additional additional parts
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if (addid2 != null) {
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byte b = addid2[j >> 1];
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id += (0xF & b) << 16;
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id2 += (0xF0 & b) << 12;
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}
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// Add in metadata
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if (bd != null) {
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byte b = bd[j >> 1];
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id += (0xF & b);
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id2 += (0xF0 & b) >> 4;
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}
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// Compute states
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states[j] = DynmapPlugin.stateByID[id];
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states[j+1] = DynmapPlugin.stateByID[id2];
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}
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}
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cursect.emitlight = sec.getByteArray("BlockLight");
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if (sec.hasKey("SkyLight")) {
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this.skylight[secnum] = sec.getByteArray("SkyLight");
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cursect.skylight = sec.getByteArray("SkyLight");
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}
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this.empty[secnum] = false;
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}
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/* Get biome data */
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this.biome = new int[COLUMNS_PER_CHUNK];
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@ -214,32 +266,19 @@ public class ChunkSnapshot
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return z;
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}
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public int getBlockTypeId(int x, int y, int z)
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{
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return blockidx[y >> 4][((y & 0xF) << 8) | (z << 4) | x] >> 4;
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}
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public int getBlockData(int x, int y, int z)
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{
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return blockidx[y >> 4][((y & 0xF) << 8) | (z << 4) | x] & 0xF;
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}
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public DynmapBlockState getBlockType(int x, int y, int z)
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{
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int id = blockidx[y >> 4][((y & 0xF) << 8) | (z << 4) | x];
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return DynmapPlugin.stateByID[id];
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return section[y >> 4].getBlockType(x, y, z);
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}
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public int getBlockSkyLight(int x, int y, int z)
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{
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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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return section[y >> 4].getBlockSkyLight(x, y, z);
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}
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public int getBlockEmittedLight(int x, int y, int z)
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{
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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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return section[y >> 4].getBlockEmittedLight(x, y, z);
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}
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public int getHighestBlockYAt(int x, int z)
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@ -259,7 +298,7 @@ public class ChunkSnapshot
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public boolean isSectionEmpty(int sy)
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{
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return empty[sy];
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return section[sy].isEmpty();
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}
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public long getInhabitedTicks() {
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@ -850,11 +850,6 @@ public class ForgeMapChunkCache extends MapChunkCache
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return DynmapBlockState.AIR;
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}
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@Override
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public final int getBlockData(int x, int y, int z)
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{
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return 0;
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}
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@Override
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public final int getBlockSkyLight(int x, int y, int z)
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{
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if (y < 64)
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