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Merge pull request #587 from aurorasmiles/fixnms 

improve performance of chunk updates for 1.16.2
This commit is contained in:
NotMyFault 2020-08-26 21:05:38 +02:00 committed by GitHub
parent 32ee30d593 9515f3abfc
commit aa93f192c6
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 30 additions and 15 deletions
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45
worldedit-bukkit/src/main/java/com/boydti/fawe/bukkit/adapter/mc1_16_2/BukkitAdapter_1_16_2.java
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@ -13,8 +13,6 @@ import com.sk89q.worldedit.math.BlockVector3;
import com.sk89q.worldedit.world.block.BlockState;
import com.sk89q.worldedit.world.block.BlockTypesCache;
import io.papermc.lib.PaperLib;
import it.unimi.dsi.fastutil.shorts.ShortArraySet;
import it.unimi.dsi.fastutil.shorts.ShortSet;
import net.jpountz.util.UnsafeUtils;
import net.minecraft.server.v1_16_R2.Block;
import net.minecraft.server.v1_16_R2.Chunk;
@ -39,7 +37,6 @@ import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.HashMap;
@ -73,7 +70,8 @@ public final class BukkitAdapter_1_16_2 extends NMSAdapter {
private static final Field fieldLock;
private static final Constructor shortArraySetConstructor;
private static final short[] FULL_CHUNK_SECTION_CHANGE_SET;
private static final Constructor shortArraySetFromShortArrayConstructor;
static {
try {
@ -115,7 +113,23 @@ public final class BukkitAdapter_1_16_2 extends NMSAdapter {
throw new Error("data type scale not a power of two");
CHUNKSECTION_SHIFT = 31 - Integer.numberOfLeadingZeros(scale);
shortArraySetConstructor = 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'})).getConstructor();
Class clsShortArraySet;
try { //paper
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'}));
} catch (Throwable t) {// still using spigot boooo
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'}));
}
shortArraySetFromShortArrayConstructor = clsShortArraySet.getConstructor(short[].class);
FULL_CHUNK_SECTION_CHANGE_SET = new short[16 * 16 * 16];
for (int x = 0; x < 16; x++) {
for (int y = 0; y < 16; y++) {
for (int z = 0; z < 16; z++) {
short i = (short) ((x << 8) | (z << 4) | y);
FULL_CHUNK_SECTION_CHANGE_SET[i] = i;
}
}
}
} catch (RuntimeException e) {
throw e;
} catch (Throwable rethrow) {
@ -195,11 +209,7 @@ public final class BukkitAdapter_1_16_2 extends NMSAdapter {
nmsWorld.getChunkProvider().playerChunkMap.a(playerChunk);
}
for (int i = 0; i < 16; i++) {
if (dirtyblocks[i] == null) dirtyblocks[i] = (Set<Short>) shortArraySetConstructor.newInstance();
for (int x = 0; x < 16; x++)
for (int y = 0; y < 16; y++)
for (int z = 0; z < 16; z++)
dirtyblocks[i].add((short) ((x << 8) | (z << 4) | (y)));
dirtyblocks[i] = getFullChunkSliceChangeSet();
}
fieldDirtyBlocks.set(playerChunk, dirtyblocks);
@ -213,13 +223,8 @@ public final class BukkitAdapter_1_16_2 extends NMSAdapter {
p.playerConnection.sendPacket(packet);
});
}
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
} catch (InstantiationException e) {
e.printStackTrace();
}
return null;
});
@ -320,4 +325,14 @@ public final class BukkitAdapter_1_16_2 extends NMSAdapter {
fieldTickingBlockCount.setShort(section, (short) tickingBlockCount);
fieldNonEmptyBlockCount.setShort(section, (short) nonEmptyBlockCount);
}
private static Set<Short> getFullChunkSliceChangeSet() {
try {
short[] data = new short[16 * 16 * 16];
System.arraycopy(FULL_CHUNK_SECTION_CHANGE_SET, 0, data, 0, FULL_CHUNK_SECTION_CHANGE_SET.length);
return (Set<Short>) shortArraySetFromShortArrayConstructor.newInstance((Object) data);
} catch (Throwable e) {
return null;
}
}
}