mirror of
https://github.com/plexusorg/Plex-FAWE.git
synced 2025-07-06 20:56:41 +00:00
Update to NMS given by 1.16.5.
Since there's no new NMS revision (we're still on R3...?!) but there were changes, it would be more difficult to maintain both 1.16.4 and 1.16.5. Therefore, let's just stop supporting 1.16.4 as 1.16.5 is a minor update regardless. Fixes #859
This commit is contained in:
dordsor21
@ -0,0 +1,355 @@
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package com.boydti.fawe.bukkit.adapter.mc1_16_5;
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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.BitArrayUnstretched;
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import com.boydti.fawe.util.MathMan;
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import com.boydti.fawe.util.ReflectionUtils;
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import com.boydti.fawe.util.TaskManager;
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import com.destroystokyo.paper.util.misc.PooledLinkedHashSets;
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import com.mojang.datafixers.util.Either;
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import com.sk89q.worldedit.math.BlockVector3;
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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_16_R3.BiomeBase;
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import net.minecraft.server.v1_16_R3.BiomeStorage;
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import net.minecraft.server.v1_16_R3.Block;
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import net.minecraft.server.v1_16_R3.Chunk;
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import net.minecraft.server.v1_16_R3.ChunkCoordIntPair;
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import net.minecraft.server.v1_16_R3.ChunkSection;
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import net.minecraft.server.v1_16_R3.DataBits;
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import net.minecraft.server.v1_16_R3.DataPalette;
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import net.minecraft.server.v1_16_R3.DataPaletteBlock;
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import net.minecraft.server.v1_16_R3.DataPaletteLinear;
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import net.minecraft.server.v1_16_R3.EntityPlayer;
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import net.minecraft.server.v1_16_R3.GameProfileSerializer;
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import net.minecraft.server.v1_16_R3.IBlockData;
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import net.minecraft.server.v1_16_R3.PacketPlayOutLightUpdate;
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import net.minecraft.server.v1_16_R3.PacketPlayOutMapChunk;
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import net.minecraft.server.v1_16_R3.PlayerChunk;
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import net.minecraft.server.v1_16_R3.PlayerChunkMap;
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import net.minecraft.server.v1_16_R3.World;
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import net.minecraft.server.v1_16_R3.WorldServer;
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import org.bukkit.craftbukkit.v1_16_R3.CraftChunk;
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import org.bukkit.craftbukkit.v1_16_R3.CraftWorld;
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import sun.misc.Unsafe;
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import java.lang.invoke.MethodHandle;
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import java.lang.invoke.MethodHandles;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Optional;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.locks.ReentrantLock;
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import java.util.function.Function;
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public final class BukkitAdapter_1_16_5 extends NMSAdapter {
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/*
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NMS fields
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*/
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public static final Field fieldBits;
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public static final Field fieldPalette;
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public static final Field fieldSize;
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public static final Field fieldBitsPerEntry;
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public static final Field fieldFluidCount;
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public static final Field fieldTickingBlockCount;
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public static final Field fieldNonEmptyBlockCount;
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private static final Field fieldDirty;
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private static final Field fieldDirtyBlocks;
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private static final Field fieldBiomeArray;
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private static final MethodHandle methodGetVisibleChunk;
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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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fieldBitsPerEntry = DataBits.class.getDeclaredField("c");
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fieldBitsPerEntry.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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fieldDirty = PlayerChunk.class.getDeclaredField("p");
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fieldDirty.setAccessible(true);
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fieldDirtyBlocks = PlayerChunk.class.getDeclaredField("dirtyBlocks");
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fieldDirtyBlocks.setAccessible(true);
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fieldBiomeArray = BiomeStorage.class.getDeclaredField("h");
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fieldBiomeArray.setAccessible(true);
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Method declaredGetVisibleChunk = PlayerChunkMap.class.getDeclaredMethod("getVisibleChunk", long.class);
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declaredGetVisibleChunk.setAccessible(true);
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methodGetVisibleChunk = MethodHandles.lookup().unreflect(declaredGetVisibleChunk);
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Field tmp = DataPaletteBlock.class.getDeclaredField("j");
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ReflectionUtils.setAccessibleNonFinal(tmp);
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fieldLock = tmp;
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fieldLock.setAccessible(true);
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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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}
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CHUNKSECTION_SHIFT = 31 - Integer.numberOfLeadingZeros(scale);
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Class<?> clsShortArraySet;
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try { //paper
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clsShortArraySet = Class.forName(new String(new char[]{'i', 't', '.', 'u', 'n', 'i', 'm', 'i', '.', 'd', 's', 'i', '.', 'f', 'a', 's', 't', 'u', 't', 'i', 'l', '.', 's', 'h', 'o', 'r', 't', 's', '.', 'S', 'h', 'o', 'r', 't', 'A', 'r', 'r', 'a', 'y', 'S', 'e', 't'}));
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} catch (Throwable t) { // still using spigot boo
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clsShortArraySet = Class.forName(new String(new char[]{'o', 'r', 'g', '.', 'b', 'u', 'k', 'k', 'i', 't', '.', 'c', 'r', 'a', 'f', 't', 'b', 'u', 'k', 'k', 'i', 't', '.', 'l', 'i', 'b', 's', '.', 'i', 't', '.', 'u', 'n', 'i', 'm', 'i', '.', 'd', 's', 'i', '.', 'f', 'a', 's', 't', 'u', 't', 'i', 'l', '.', 's', 'h', 'o', 'r', 't', 's', '.', 'S', 'h', 'o', 'r', 't', 'A', 'r', 'r', 'a', 'y', 'S', 'e', 't'}));
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}
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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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//todo there has to be a better way to do this. Maybe using a() in DataPaletteBlock which acquires the lock in NMS?
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try {
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synchronized (section) {
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DataPaletteBlock<IBlockData> blocks = section.getBlocks();
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ReentrantLock currentLock = (ReentrantLock) 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(World nmsWorld, int chunkX, int chunkZ) {
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Chunk nmsChunk = nmsWorld.getChunkProvider().getChunkAt(chunkX, chunkZ, false);
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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(chunkX, chunkZ);
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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(chunkX, chunkZ, 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(chunkX, chunkZ));
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}
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public static PlayerChunk getPlayerChunk(WorldServer nmsWorld, final int chunkX, final int chunkZ) {
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PlayerChunkMap chunkMap = nmsWorld.getChunkProvider().playerChunkMap;
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try {
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return (PlayerChunk) methodGetVisibleChunk.invoke(chunkMap, ChunkCoordIntPair.pair(chunkX, chunkZ));
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} catch (Throwable thr) {
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throw new RuntimeException(thr);
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}
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}
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public static void sendChunk(WorldServer nmsWorld, int chunkX, int chunkZ, int mask, boolean lighting) {
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PlayerChunk playerChunk = getPlayerChunk(nmsWorld, chunkX, chunkZ);
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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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ChunkCoordIntPair chunkCoordIntPair = new ChunkCoordIntPair(chunkX, chunkZ);
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Optional<Chunk> optional = ((Either) playerChunk.a().getNow(PlayerChunk.UNLOADED_CHUNK)).left();
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if (optional.isPresent()) {
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PacketPlayOutMapChunk chunkpacket = new PacketPlayOutMapChunk(optional.get(), 65535);
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playerChunk.players.a(chunkCoordIntPair, false).forEach(p -> {
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p.playerConnection.sendPacket(chunkpacket);
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});
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if (lighting) {
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//This needs to be true otherwise Minecraft will update lighting from/at the chunk edges (bad)
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boolean trustEdges = true;
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PacketPlayOutLightUpdate packet =
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new PacketPlayOutLightUpdate(chunkCoordIntPair, nmsWorld.getChunkProvider().getLightEngine(),
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trustEdges);
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playerChunk.players.a(chunkCoordIntPair, false).forEach(p -> {
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p.playerConnection.sendPacket(packet);
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});
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}
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} else if (PaperLib.isPaper()) {
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//Require generic here to work with multiple dependencies trying to take control.
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PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<?> objects =
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nmsWorld.getChunkProvider().playerChunkMap.playerViewDistanceNoTickMap
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.getObjectsInRange(chunkX, chunkZ);
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if (objects == null) {
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return;
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}
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for (Object obj : objects.getBackingSet()) {
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if (obj == null) {
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continue;
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}
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EntityPlayer p = (EntityPlayer) obj;
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Chunk chunk = nmsWorld.getChunkProvider().getChunkAtIfLoadedImmediately(chunkX, chunkZ);
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if (chunk != null) {
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PacketPlayOutMapChunk chunkpacket = new PacketPlayOutMapChunk(chunk, 65535);
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p.playerConnection.sendPacket(chunkpacket);
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if (lighting) {
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//This needs to be true otherwise Minecraft will update lighting from/at the chunk edges (bad)
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boolean trustEdges = true;
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PacketPlayOutLightUpdate packet = new PacketPlayOutLightUpdate(chunkCoordIntPair,
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nmsWorld.getChunkProvider().getLightEngine(), trustEdges);
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p.playerConnection.sendPacket(packet);
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}
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}
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}
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}
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}
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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, boolean fastmode) {
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return newChunkSection(layer, null, blocks, fastmode);
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}
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public static ChunkSection newChunkSection(final int layer, final Function<Integer, char[]> get, char[] set, boolean fastmode) {
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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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Map<BlockVector3, Integer> ticking_blocks = new HashMap<>();
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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,
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set, ticking_blocks, fastmode);
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} else {
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air = createPalette(layer, blockToPalette, paletteToBlock, blocksCopy,
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num_palette_buffer, get, set, ticking_blocks, fastmode);
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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 blocksPerLong = MathMan.floorZero((double) 64 / bitsPerEntry);
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final int blockBitArrayEnd = MathMan.ceilZero((float) 4096 / blocksPerLong);
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if (num_palette == 1) {
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for (int i = 0; i < blockBitArrayEnd; i++) {
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blockStates[i] = 0;
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}
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} else {
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final BitArrayUnstretched bitArray = new BitArrayUnstretched(bitsPerEntry, 4096, blockStates);
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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 DataPaletteLinear<>(Block.REGISTRY_ID, bitsPerEntry, dataPaletteBlocks, GameProfileSerializer::c);
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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_16_5) 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(ticking_blocks.size(), 4096 - air, section);
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if (!fastmode) {
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ticking_blocks.forEach((pos, ordinal) -> section
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.setType(pos.getBlockX(), pos.getBlockY(), pos.getBlockZ(),
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Block.getByCombinedId(ordinal)));
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}
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} catch (final IllegalAccessException 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 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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public static BiomeBase[] getBiomeArray(BiomeStorage storage) {
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try {
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return (BiomeBase[]) fieldBiomeArray.get(storage);
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} catch (IllegalAccessException e) {
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e.printStackTrace();
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return null;
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}
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}
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}
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Reference in New Issue
Block a user