mirror of
https://github.com/plexusorg/Plex-FAWE.git
synced 2024-07-02 23:20:02 +00:00
393 lines
13 KiB
Java
393 lines
13 KiB
Java
package com.boydti.fawe;
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import com.boydti.fawe.beta.Trimable;
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import com.boydti.fawe.config.Settings;
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import com.boydti.fawe.object.collection.BitArray4096;
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import com.boydti.fawe.object.collection.IterableThreadLocal;
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import com.boydti.fawe.util.MathMan;
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import com.sk89q.jnbt.ByteArrayTag;
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import com.sk89q.jnbt.ByteTag;
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import com.sk89q.jnbt.CompoundTag;
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import com.sk89q.jnbt.DoubleTag;
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import com.sk89q.jnbt.EndTag;
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import com.sk89q.jnbt.FloatTag;
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import com.sk89q.jnbt.IntArrayTag;
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import com.sk89q.jnbt.IntTag;
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import com.sk89q.jnbt.ListTag;
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import com.sk89q.jnbt.LongArrayTag;
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import com.sk89q.jnbt.LongTag;
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import com.sk89q.jnbt.ShortTag;
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import com.sk89q.jnbt.StringTag;
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import com.sk89q.jnbt.Tag;
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import com.sk89q.worldedit.math.MutableBlockVector3;
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import com.sk89q.worldedit.math.MutableVector3;
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import com.sk89q.worldedit.world.block.BlockState;
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import com.sk89q.worldedit.world.block.BlockTypes;
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import java.lang.reflect.Field;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.ArrayBlockingQueue;
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import java.util.concurrent.Executors;
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import java.util.concurrent.ThreadPoolExecutor;
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import java.util.concurrent.TimeUnit;
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public final class FaweCache implements Trimable {
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public final static int BLOCKS_PER_LAYER = 4096;
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public final static int CHUNK_LAYERS = 16;
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public final static int WORLD_HEIGHT = CHUNK_LAYERS << 4;
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public final static int WORLD_MAX_Y = WORLD_HEIGHT - 1;
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public static final char[] EMPTY_CHAR_4096 = new char[4096];
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/*
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Palette buffers / cache
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*/
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@Override
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public boolean trim(boolean aggressive) {
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BLOCK_TO_PALETTE.clean();
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PALETTE_TO_BLOCK.clean();
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BLOCK_STATES.clean();
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SECTION_BLOCKS.clean();
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PALETTE_CACHE.clean();
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PALETTE_TO_BLOCK_CHAR.clean();
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MUTABLE_VECTOR3.clean();
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MUTABLE_BLOCKVECTOR3.clean();
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return false;
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}
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public static final IterableThreadLocal<int[]> BLOCK_TO_PALETTE = new IterableThreadLocal<int[]>() {
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@Override
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public int[] init() {
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int[] result = new int[BlockTypes.states.length];
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Arrays.fill(result, Integer.MAX_VALUE);
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return result;
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}
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};
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public static final IterableThreadLocal<int[]> PALETTE_TO_BLOCK = new IterableThreadLocal<int[]>() {
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@Override
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public int[] init() {
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return new int[Character.MAX_VALUE + 1];
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}
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};
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public static final IterableThreadLocal<char[]> PALETTE_TO_BLOCK_CHAR = new IterableThreadLocal<char[]>() {
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@Override
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public char[] init() {
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char[] result = new char[Character.MAX_VALUE + 1];
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Arrays.fill(result, Character.MAX_VALUE);
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return result;
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}
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};
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public static final IterableThreadLocal<long[]> BLOCK_STATES = new IterableThreadLocal<long[]>() {
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@Override
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public long[] init() {
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return new long[2048];
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}
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};
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public static final IterableThreadLocal<int[]> SECTION_BLOCKS = new IterableThreadLocal<int[]>() {
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@Override
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public int[] init() {
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return new int[4096];
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}
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};
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/**
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* Holds data for a palette used in a chunk section
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*/
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public static final class Palette {
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public int paletteToBlockLength;
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/**
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* Reusable buffer array, MUST check paletteToBlockLength for actual length
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*/
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public int[] paletteToBlock;
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public int blockStatesLength;
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/**
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* Reusable buffer array, MUST check blockStatesLength for actual length
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*/
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public long[] blockStates;
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}
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private static final IterableThreadLocal<Palette> PALETTE_CACHE = new IterableThreadLocal<Palette>() {
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@Override
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public Palette init() {
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return new Palette();
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}
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};
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/**
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* Convert raw char array to palette
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* @param layerOffset
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* @param blocks
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* @return palette
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*/
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public static Palette toPalette(int layerOffset, char[] blocks) {
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return toPalette(layerOffset, null, blocks);
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}
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/**
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* Convert raw int array to palette
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* @param layerOffset
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* @param blocks
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* @return palette
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*/
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public static Palette toPalette(int layerOffset, int[] blocks) {
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return toPalette(layerOffset, blocks, null);
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}
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private static Palette toPalette(int layerOffset, int[] blocksInts, char[] blocksChars) {
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int[] blockToPalette = BLOCK_TO_PALETTE.get();
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int[] paletteToBlock = PALETTE_TO_BLOCK.get();
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long[] blockStates = BLOCK_STATES.get();
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int[] blocksCopy = SECTION_BLOCKS.get();
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int blockIndexStart = layerOffset << 12;
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int blockIndexEnd = blockIndexStart + 4096;
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int num_palette = 0;
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try {
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if (blocksChars != null) {
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for (int i = blockIndexStart, j = 0; i < blockIndexEnd; i++, j++) {
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int ordinal = blocksChars[i];
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int palette = blockToPalette[ordinal];
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if (palette == Integer.MAX_VALUE) {
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// BlockState state = BlockTypes.states[ordinal];
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blockToPalette[ordinal] = palette = num_palette;
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paletteToBlock[num_palette] = ordinal;
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num_palette++;
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}
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blocksCopy[j] = palette;
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}
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} else if (blocksInts != null) {
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for (int i = blockIndexStart, j = 0; i < blockIndexEnd; i++, j++) {
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int ordinal = blocksInts[i];
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int palette = blockToPalette[ordinal];
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if (palette == Integer.MAX_VALUE) {
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BlockState state = BlockTypes.states[ordinal];
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blockToPalette[ordinal] = palette = num_palette;
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paletteToBlock[num_palette] = ordinal;
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num_palette++;
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}
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blocksCopy[j] = palette;
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}
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} else {
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throw new IllegalArgumentException();
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}
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for (int i = 0; i < num_palette; i++) {
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blockToPalette[paletteToBlock[i]] = Integer.MAX_VALUE;
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}
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// BlockStates
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int bitsPerEntry = MathMan.log2nlz(num_palette - 1);
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int blockBitArrayEnd = (bitsPerEntry * 4096) >> 6;
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if (num_palette == 1) {
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// Set a value, because minecraft needs it for some reason
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blockStates[0] = 0;
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blockBitArrayEnd = 1;
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} else {
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BitArray4096 bitArray = new BitArray4096(blockStates, bitsPerEntry);
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bitArray.fromRaw(blocksCopy);
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}
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// Construct palette
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Palette palette = PALETTE_CACHE.get();
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palette.paletteToBlockLength = num_palette;
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palette.paletteToBlock = paletteToBlock;
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palette.blockStatesLength = blockBitArrayEnd;
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palette.blockStates = blockStates;
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return palette;
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} catch (Throwable e) {
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Arrays.fill(blockToPalette, Integer.MAX_VALUE);
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e.printStackTrace();
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throw e;
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}
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}
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/*
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* Vector cache
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*/
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public static IterableThreadLocal<MutableBlockVector3> MUTABLE_BLOCKVECTOR3 = new IterableThreadLocal<MutableBlockVector3>() {
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@Override
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public MutableBlockVector3 init() {
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return new MutableBlockVector3();
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}
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};
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public static IterableThreadLocal<MutableVector3> MUTABLE_VECTOR3 = new IterableThreadLocal<MutableVector3>() {
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@Override
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public MutableVector3 init() {
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return new MutableVector3();
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}
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};
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/*
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Conversion methods between JNBT tags and raw values
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*/
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public static Map<String, Object> asMap(Object... pairs) {
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HashMap<String, Object> map = new HashMap<>(pairs.length >> 1);
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for (int i = 0; i < pairs.length; i += 2) {
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String key = (String) pairs[i];
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Object value = pairs[i + 1];
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map.put(key, value);
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}
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return map;
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}
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public static ShortTag asTag(short value) {
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return new ShortTag(value);
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}
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public static IntTag asTag(int value) {
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return new IntTag(value);
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}
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public static DoubleTag asTag(double value) {
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return new DoubleTag(value);
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}
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public static ByteTag asTag(byte value) {
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return new ByteTag(value);
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}
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public static FloatTag asTag(float value) {
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return new FloatTag(value);
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}
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public static LongTag asTag(long value) {
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return new LongTag(value);
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}
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public static ByteArrayTag asTag(byte[] value) {
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return new ByteArrayTag(value);
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}
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public static IntArrayTag asTag(int[] value) {
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return new IntArrayTag(value);
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}
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public static LongArrayTag asTag(long[] value) {
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return new LongArrayTag(value);
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}
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public static StringTag asTag(String value) {
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return new StringTag(value);
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}
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public static CompoundTag asTag(Map<String, Object> value) {
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HashMap<String, Tag> map = new HashMap<>();
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for (Map.Entry<String, Object> entry : value.entrySet()) {
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Object child = entry.getValue();
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Tag tag = asTag(child);
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map.put(entry.getKey(), tag);
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}
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return new CompoundTag(map);
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}
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public static Tag asTag(Object value) {
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if (value instanceof Integer) {
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return asTag((int) value);
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} else if (value instanceof Short) {
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return asTag((short) value);
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} else if (value instanceof Double) {
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return asTag((double) value);
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} else if (value instanceof Byte) {
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return asTag((byte) value);
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} else if (value instanceof Float) {
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return asTag((float) value);
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} else if (value instanceof Long) {
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return asTag((long) value);
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} else if (value instanceof String) {
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return asTag((String) value);
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} else if (value instanceof Map) {
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return asTag((Map<String, Object>) value);
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} else if (value instanceof Collection) {
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return asTag((Collection) value);
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} else if (value instanceof Object[]) {
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return asTag((Object[]) value);
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} else if (value instanceof byte[]) {
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return asTag((byte[]) value);
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} else if (value instanceof int[]) {
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return asTag((int[]) value);
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} else if (value instanceof long[]) {
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return asTag((long[]) value);
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} else if (value instanceof Tag) {
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return (Tag) value;
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} else if (value instanceof Boolean) {
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return asTag((byte) ((boolean) value ? 1 : 0));
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} else if (value == null) {
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System.out.println("Invalid nbt: " + value);
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return null;
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} else {
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Class<? extends Object> clazz = value.getClass();
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if (clazz.getName().startsWith("com.intellectualcrafters.jnbt")) {
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try {
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if (clazz.getName().equals("com.intellectualcrafters.jnbt.EndTag")) {
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return new EndTag();
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}
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Field field = clazz.getDeclaredField("value");
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field.setAccessible(true);
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return asTag(field.get(value));
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} catch (Throwable e) {
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e.printStackTrace();
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}
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}
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System.out.println("Invalid nbt: " + value);
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return null;
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}
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}
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public static ListTag asTag(Object... values) {
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Class<? extends Tag> clazz = null;
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List<Tag> list = new ArrayList<>(values.length);
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for (Object value : values) {
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Tag tag = asTag(value);
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if (clazz == null) {
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clazz = tag.getClass();
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}
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list.add(tag);
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}
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if (clazz == null) clazz = EndTag.class;
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return new ListTag(clazz, list);
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}
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public static ListTag asTag(Collection values) {
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Class<? extends Tag> clazz = null;
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List<Tag> list = new ArrayList<>(values.size());
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for (Object value : values) {
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Tag tag = asTag(value);
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if (clazz == null) {
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clazz = tag.getClass();
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}
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list.add(tag);
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}
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if (clazz == null) clazz = EndTag.class;
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return new ListTag(clazz, list);
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}
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/*
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Thread stuff
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*/
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public static ThreadPoolExecutor newBlockingExecutor() {
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int nThreads = Settings.IMP.QUEUE.PARALLEL_THREADS;
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ArrayBlockingQueue<Runnable> queue = new ArrayBlockingQueue<>(nThreads);
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return new ThreadPoolExecutor(nThreads, nThreads,
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0L, TimeUnit.MILLISECONDS, queue
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, Executors.defaultThreadFactory(),
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new ThreadPoolExecutor.CallerRunsPolicy());
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}
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}
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