mirror of
https://github.com/plexusorg/Plex-FAWE.git
synced 2025-07-16 03:24:03 +00:00
1.15 (wip)
Adapters and nms needs updating still, alongside some other fixes and changes, but I'm too tired for that now
This commit is contained in:
NotMyFault
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package com.boydti.fawe.bukkit.adapter.mc1_15;
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import com.boydti.fawe.Fawe;
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import com.boydti.fawe.FaweCache;
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import com.boydti.fawe.bukkit.adapter.DelegateLock;
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import com.boydti.fawe.bukkit.adapter.NMSAdapter;
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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.util.MathMan;
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import com.boydti.fawe.util.TaskManager;
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import com.sk89q.worldedit.world.block.BlockState;
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import com.sk89q.worldedit.world.block.BlockTypesCache;
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import io.papermc.lib.PaperLib;
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import net.jpountz.util.UnsafeUtils;
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import net.minecraft.server.v1_15_R1.*;
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import org.bukkit.craftbukkit.v1_15_R1.CraftChunk;
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import org.bukkit.craftbukkit.v1_15_R1.CraftWorld;
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import sun.misc.Unsafe;
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import java.lang.reflect.Field;
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import java.lang.reflect.Modifier;
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import java.util.Arrays;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.locks.Lock;
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import java.util.function.Function;
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public final class BukkitAdapter_1_15 extends NMSAdapter {
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/*
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NMS fields
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*/
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public final static Field fieldBits;
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public final static Field fieldPalette;
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public final static Field fieldSize;
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public final static Field fieldFluidCount;
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public final static Field fieldTickingBlockCount;
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public final static Field fieldNonEmptyBlockCount;
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private final static Field fieldDirtyCount;
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private final static Field fieldDirtyBits;
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private static final int CHUNKSECTION_BASE;
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private static final int CHUNKSECTION_SHIFT;
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private static final Field fieldLock;
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static {
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try {
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fieldSize = DataPaletteBlock.class.getDeclaredField("i");
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fieldSize.setAccessible(true);
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fieldBits = DataPaletteBlock.class.getDeclaredField("a");
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fieldBits.setAccessible(true);
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fieldPalette = DataPaletteBlock.class.getDeclaredField("h");
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fieldPalette.setAccessible(true);
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fieldFluidCount = ChunkSection.class.getDeclaredField("e");
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fieldFluidCount.setAccessible(true);
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fieldTickingBlockCount = ChunkSection.class.getDeclaredField("tickingBlockCount");
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fieldTickingBlockCount.setAccessible(true);
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fieldNonEmptyBlockCount = ChunkSection.class.getDeclaredField("nonEmptyBlockCount");
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fieldNonEmptyBlockCount.setAccessible(true);
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fieldDirtyCount = PlayerChunk.class.getDeclaredField("dirtyCount");
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fieldDirtyCount.setAccessible(true);
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fieldDirtyBits = PlayerChunk.class.getDeclaredField("r");
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fieldDirtyBits.setAccessible(true);
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{
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Field tmp;
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try {
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tmp = DataPaletteBlock.class.getDeclaredField("writeLock");
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} catch (NoSuchFieldException paper) {
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tmp = DataPaletteBlock.class.getDeclaredField("j");
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}
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Field modifiersField = Field.class.getDeclaredField("modifiers");
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modifiersField.setAccessible(true);
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int modifiers = modifiersField.getInt(tmp);
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int newModifiers = modifiers & (~Modifier.FINAL);
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if (newModifiers != modifiers) modifiersField.setInt(tmp, newModifiers);
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fieldLock = tmp;
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fieldLock.setAccessible(true);
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}
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Unsafe unsafe = UnsafeUtils.getUNSAFE();
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CHUNKSECTION_BASE = unsafe.arrayBaseOffset(ChunkSection[].class);
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int scale = unsafe.arrayIndexScale(ChunkSection[].class);
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if ((scale & (scale - 1)) != 0)
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throw new Error("data type scale not a power of two");
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CHUNKSECTION_SHIFT = 31 - Integer.numberOfLeadingZeros(scale);
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} catch (RuntimeException e) {
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throw e;
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} catch (Throwable rethrow) {
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rethrow.printStackTrace();
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throw new RuntimeException(rethrow);
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}
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}
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protected static boolean setSectionAtomic(ChunkSection[] sections, ChunkSection expected, ChunkSection value, int layer) {
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long offset = ((long) layer << CHUNKSECTION_SHIFT) + CHUNKSECTION_BASE;
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if (layer >= 0 && layer < sections.length) {
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return UnsafeUtils.getUNSAFE().compareAndSwapObject(sections, offset, expected, value);
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}
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return false;
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}
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protected static DelegateLock applyLock(ChunkSection section) {
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try {
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synchronized (section) {
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DataPaletteBlock<IBlockData> blocks = section.getBlocks();
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Lock currentLock = (Lock) fieldLock.get(blocks);
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if (currentLock instanceof DelegateLock) {
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return (DelegateLock) currentLock;
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}
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DelegateLock newLock = new DelegateLock(currentLock);
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fieldLock.set(blocks, newLock);
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return newLock;
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}
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} catch (IllegalAccessException e) {
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e.printStackTrace();
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throw new RuntimeException(e);
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}
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}
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public static Chunk ensureLoaded(net.minecraft.server.v1_15_R1.World nmsWorld, int X, int Z) {
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Chunk nmsChunk = nmsWorld.getChunkIfLoaded(X, Z);
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if (nmsChunk != null) {
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return nmsChunk;
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}
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if (Fawe.isMainThread()) {
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return nmsWorld.getChunkAt(X, Z);
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}
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if (PaperLib.isPaper()) {
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CraftWorld craftWorld = nmsWorld.getWorld();
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CompletableFuture<org.bukkit.Chunk> future = craftWorld.getChunkAtAsync(X, Z, true);
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try {
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CraftChunk chunk = (CraftChunk) future.get();
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return chunk.getHandle();
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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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// TODO optimize
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return TaskManager.IMP.sync(() -> nmsWorld.getChunkAt(X, Z));
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}
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public static PlayerChunk getPlayerChunk(net.minecraft.server.v1_15_R1.WorldServer nmsWorld, final int cx, final int cz) {
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PlayerChunkMap chunkMap = nmsWorld.getChunkProvider().playerChunkMap;
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PlayerChunk playerChunk = chunkMap.visibleChunks.get(ChunkCoordIntPair.pair(cx, cz));
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return playerChunk;
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}
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public static void sendChunk(net.minecraft.server.v1_15_R1.WorldServer nmsWorld, int X, int Z, int mask) {
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PlayerChunk playerChunk = getPlayerChunk(nmsWorld, X, Z);
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if (playerChunk == null) {
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return;
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}
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if (playerChunk.hasBeenLoaded()) {
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TaskManager.IMP.sync(() -> {
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try {
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int dirtyBits = fieldDirtyBits.getInt(playerChunk);
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if (dirtyBits == 0) {
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nmsWorld.getChunkProvider().playerChunkMap.a(playerChunk);
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}
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if (mask == 0) {
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dirtyBits = 65535;
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} else {
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dirtyBits |= mask;
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}
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fieldDirtyBits.set(playerChunk, dirtyBits);
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fieldDirtyCount.set(playerChunk, 64);
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} catch (IllegalAccessException e) {
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e.printStackTrace();
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}
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return null;
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});
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return;
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}
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return;
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}
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/*
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NMS conversion
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*/
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public static ChunkSection newChunkSection(final int layer, final char[] blocks) {
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return newChunkSection(layer, null, blocks);
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}
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public static ChunkSection newChunkSection(final int layer, final Function<Integer, char[]> get, char[] set) {
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if (set == null) {
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return newChunkSection(layer);
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}
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final int[] blockToPalette = FaweCache.IMP.BLOCK_TO_PALETTE.get();
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final int[] paletteToBlock = FaweCache.IMP.PALETTE_TO_BLOCK.get();
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final long[] blockStates = FaweCache.IMP.BLOCK_STATES.get();
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final int[] blocksCopy = FaweCache.IMP.SECTION_BLOCKS.get();
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try {
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int[] num_palette_buffer = new int[1];
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int air;
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if (get == null) {
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air = createPalette(blockToPalette, paletteToBlock, blocksCopy, num_palette_buffer, set);
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} else {
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air = createPalette(layer, blockToPalette, paletteToBlock, blocksCopy, num_palette_buffer, get, set);
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}
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int num_palette = num_palette_buffer[0];
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// BlockStates
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int bitsPerEntry = MathMan.log2nlz(num_palette - 1);
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if (Settings.IMP.PROTOCOL_SUPPORT_FIX || num_palette != 1) {
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bitsPerEntry = Math.max(bitsPerEntry, 4); // Protocol support breaks <4 bits per entry
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} else {
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bitsPerEntry = Math.max(bitsPerEntry, 1); // For some reason minecraft needs 4096 bits to store 0 entries
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}
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final int blockBitArrayEnd = (bitsPerEntry * 4096) >> 6;
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if (num_palette == 1) {
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for (int i = 0; i < blockBitArrayEnd; i++) blockStates[i] = 0;
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} else {
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final BitArray4096 bitArray = new BitArray4096(blockStates, bitsPerEntry);
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bitArray.fromRaw(blocksCopy);
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}
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ChunkSection section = newChunkSection(layer);
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// set palette & data bits
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final DataPaletteBlock<IBlockData> dataPaletteBlocks = section.getBlocks();
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// private DataPalette<T> h;
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// protected DataBits a;
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final long[] bits = Arrays.copyOfRange(blockStates, 0, blockBitArrayEnd);
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final DataBits nmsBits = new DataBits(bitsPerEntry, 4096, bits);
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final DataPalette<IBlockData> palette;
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// palette = new DataPaletteHash<>(Block.REGISTRY_ID, bitsPerEntry, dataPaletteBlocks, GameProfileSerializer::d, GameProfileSerializer::a);
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palette = new DataPaletteLinear<>(Block.REGISTRY_ID, bitsPerEntry, dataPaletteBlocks, GameProfileSerializer::d);
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// set palette
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for (int i = 0; i < num_palette; i++) {
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final int ordinal = paletteToBlock[i];
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blockToPalette[ordinal] = Integer.MAX_VALUE;
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final BlockState state = BlockTypesCache.states[ordinal];
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final IBlockData ibd = ((BlockMaterial_1_15) state.getMaterial()).getState();
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palette.a(ibd);
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}
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try {
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fieldBits.set(dataPaletteBlocks, nmsBits);
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fieldPalette.set(dataPaletteBlocks, palette);
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fieldSize.set(dataPaletteBlocks, bitsPerEntry);
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setCount(0, 4096 - air, section);
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} catch (final IllegalAccessException | NoSuchFieldException e) {
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throw new RuntimeException(e);
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}
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return section;
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} catch (final Throwable e) {
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Arrays.fill(blockToPalette, Integer.MAX_VALUE);
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throw e;
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}
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}
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private static ChunkSection newChunkSection(int layer) {
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return new ChunkSection(layer << 4);
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}
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public static void setCount(final int tickingBlockCount, final int nonEmptyBlockCount, final ChunkSection section) throws NoSuchFieldException, IllegalAccessException {
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fieldFluidCount.setShort(section, (short) 0); // TODO FIXME
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fieldTickingBlockCount.setShort(section, (short) tickingBlockCount);
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fieldNonEmptyBlockCount.setShort(section, (short) nonEmptyBlockCount);
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}
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}
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