geforkt von Mirrors/Paper
216 Zeilen
10 KiB
Diff
216 Zeilen
10 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Thu, 3 Mar 2016 02:07:55 -0600
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Subject: [PATCH] Optimize isValidLocation, getType and getBlockData for
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inlining
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Hot methods, so reduce # of instructions for the method.
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Move is valid location test to the BlockPosition class so that it can access local variables.
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Replace all calls to the new place to the unnecessary forward.
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Optimize getType and getBlockData to manually inline and optimize the calls
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diff --git a/src/main/java/net/minecraft/server/BaseBlockPosition.java b/src/main/java/net/minecraft/server/BaseBlockPosition.java
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index ee28d0335418a0053f8448ab5e12ebba5a9a3b2d..8b202b342f899a38b989b683bd8be4f5c4061f48 100644
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--- a/src/main/java/net/minecraft/server/BaseBlockPosition.java
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+++ b/src/main/java/net/minecraft/server/BaseBlockPosition.java
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@@ -20,6 +20,15 @@ public class BaseBlockPosition implements Comparable<BaseBlockPosition> {
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private int b;
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private int e;
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+ // Paper start
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+ public boolean isValidLocation() {
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+ return getX() >= -30000000 && getZ() >= -30000000 && getX() < 30000000 && getZ() < 30000000 && getY() >= 0 && getY() < 256;
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+ }
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+ public boolean isInvalidYLocation() {
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+ return b < 0 || b >= 256;
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+ }
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+ // Paper end
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+
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public BaseBlockPosition(int i, int j, int k) {
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this.a = i;
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this.b = j;
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diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
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index 3ade9a83f750854cd5663a6a177fe27eaac73c39..dc65ad095f9ec281c13f04254311d9cea80f43f8 100644
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--- a/src/main/java/net/minecraft/server/Chunk.java
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+++ b/src/main/java/net/minecraft/server/Chunk.java
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@@ -308,12 +308,27 @@ public class Chunk implements IChunkAccess {
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return this.sections;
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}
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- @Override
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+ // Paper start - Optimize getBlockData to reduce instructions
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+ public final IBlockData getBlockData(BlockPosition pos) { return getBlockData(pos.getX(), pos.getY(), pos.getZ()); } // Paper
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public IBlockData getType(BlockPosition blockposition) {
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- int i = blockposition.getX();
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- int j = blockposition.getY();
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- int k = blockposition.getZ();
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+ return this.getBlockData(blockposition.getX(), blockposition.getY(), blockposition.getZ());
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+ }
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+
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+ public IBlockData getType(final int x, final int y, final int z) {
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+ return getBlockData(x, y, z);
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+ }
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+ public final IBlockData getBlockData(final int x, final int y, final int z) {
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+ // Method body / logic copied from below
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+ final int i = y >> 4;
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+ if (y < 0 || i >= this.sections.length || this.sections[i] == null || this.sections[i].nonEmptyBlockCount == 0) {
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+ return Blocks.AIR.getBlockData();
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+ }
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+ // Inlined ChunkSection.getType() and DataPaletteBlock.a(int,int,int)
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+ return this.sections[i].blockIds.a((y & 15) << 8 | (z & 15) << 4 | x & 15);
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+ }
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+ public IBlockData getBlockData_unused(int i, int j, int k) {
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+ // Paper end
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if (this.world.isDebugWorld()) {
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IBlockData iblockdata = null;
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diff --git a/src/main/java/net/minecraft/server/ChunkEmpty.java b/src/main/java/net/minecraft/server/ChunkEmpty.java
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index 82fdd3db6f698f8b77c8bbd1f17cb21980ecfeec..fd49438961451987bd102a85484be24b341d946b 100644
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--- a/src/main/java/net/minecraft/server/ChunkEmpty.java
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+++ b/src/main/java/net/minecraft/server/ChunkEmpty.java
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@@ -7,7 +7,7 @@ import javax.annotation.Nullable;
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public class ChunkEmpty extends Chunk {
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- private static final BiomeBase[] b = (BiomeBase[]) SystemUtils.a((Object) (new BiomeBase[BiomeStorage.a]), (abiomebase) -> {
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+ private static final BiomeBase[] b = (BiomeBase[]) SystemUtils.a((new BiomeBase[BiomeStorage.a]), (abiomebase) -> { // Paper - decompile error
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Arrays.fill(abiomebase, Biomes.PLAINS);
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});
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@@ -15,6 +15,11 @@ public class ChunkEmpty extends Chunk {
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super(world, chunkcoordintpair, new BiomeStorage(ChunkEmpty.b));
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}
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+ // Paper start
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+ @Override public IBlockData getType(int x, int y, int z) {
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+ return Blocks.VOID_AIR.getBlockData();
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+ }
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+ // Paper end
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@Override
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public IBlockData getType(BlockPosition blockposition) {
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return Blocks.VOID_AIR.getBlockData();
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diff --git a/src/main/java/net/minecraft/server/ChunkSection.java b/src/main/java/net/minecraft/server/ChunkSection.java
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index 882c2733beaff1df68b892d44fc77cacf4364ff4..bd2290a4d4ec314b7afdb1f63d711f80803153cd 100644
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--- a/src/main/java/net/minecraft/server/ChunkSection.java
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+++ b/src/main/java/net/minecraft/server/ChunkSection.java
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@@ -7,10 +7,10 @@ public class ChunkSection {
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public static final DataPalette<IBlockData> GLOBAL_PALETTE = new DataPaletteGlobal<>(Block.REGISTRY_ID, Blocks.AIR.getBlockData());
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private final int yPos;
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- private short nonEmptyBlockCount;
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+ short nonEmptyBlockCount; // Paper - package-private
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private short tickingBlockCount;
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private short e;
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- private final DataPaletteBlock<IBlockData> blockIds;
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+ final DataPaletteBlock<IBlockData> blockIds;
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public ChunkSection(int i) {
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this(i, (short) 0, (short) 0, (short) 0);
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@@ -24,8 +24,8 @@ public class ChunkSection {
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this.blockIds = new DataPaletteBlock<>(ChunkSection.GLOBAL_PALETTE, Block.REGISTRY_ID, GameProfileSerializer::c, GameProfileSerializer::a, Blocks.AIR.getBlockData());
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}
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- public IBlockData getType(int i, int j, int k) {
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- return (IBlockData) this.blockIds.a(i, j, k);
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+ public final IBlockData getType(int i, int j, int k) { // Paper
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+ return this.blockIds.a(j << 8 | k << 4 | i); // Paper - inline
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}
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public Fluid b(int i, int j, int k) {
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diff --git a/src/main/java/net/minecraft/server/DataPaletteBlock.java b/src/main/java/net/minecraft/server/DataPaletteBlock.java
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index 4c6979903d287f7f37d9029f6ce2551742f26164..bcf249aab7d8223f6d9b597fcb20c1aa523ab862 100644
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--- a/src/main/java/net/minecraft/server/DataPaletteBlock.java
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+++ b/src/main/java/net/minecraft/server/DataPaletteBlock.java
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@@ -124,7 +124,7 @@ public class DataPaletteBlock<T> implements DataPaletteExpandable<T> {
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}
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public T a(int i, int j, int k) {
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- return this.a(b(i, j, k));
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+ return this.a(j << 8 | k << 4 | i); // Paper - inline
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}
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protected T a(int i) {
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diff --git a/src/main/java/net/minecraft/server/IChunkAccess.java b/src/main/java/net/minecraft/server/IChunkAccess.java
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index 91efe3e9d8da340b383847bc1ba29d26b7971cd2..3adb35b6abd0df9617e27e10fa3e0d365958ba42 100644
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--- a/src/main/java/net/minecraft/server/IChunkAccess.java
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+++ b/src/main/java/net/minecraft/server/IChunkAccess.java
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@@ -12,6 +12,7 @@ import org.apache.logging.log4j.LogManager;
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public interface IChunkAccess extends IBlockAccess, IStructureAccess {
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+ IBlockData getType(final int x, final int y, final int z); // Paper
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@Nullable
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IBlockData setType(BlockPosition blockposition, IBlockData iblockdata, boolean flag);
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diff --git a/src/main/java/net/minecraft/server/ProtoChunk.java b/src/main/java/net/minecraft/server/ProtoChunk.java
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index 070449198273e6c42e72c891882b82361d1c8dbd..5114ce15ad1be23ca83b3a3fcaba10a34fcb1a6f 100644
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--- a/src/main/java/net/minecraft/server/ProtoChunk.java
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+++ b/src/main/java/net/minecraft/server/ProtoChunk.java
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@@ -95,16 +95,18 @@ public class ProtoChunk implements IChunkAccess {
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@Override
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public IBlockData getType(BlockPosition blockposition) {
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- int i = blockposition.getY();
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-
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- if (World.b(i)) {
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+ return getType(blockposition.getX(), blockposition.getY(), blockposition.getZ());
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+ }
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+ // Paper start
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+ public IBlockData getType(final int x, final int y, final int z) {
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+ if (y < 0 || y >= 256) {
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return Blocks.VOID_AIR.getBlockData();
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} else {
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- ChunkSection chunksection = this.getSections()[i >> 4];
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-
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- return ChunkSection.a(chunksection) ? Blocks.AIR.getBlockData() : chunksection.getType(blockposition.getX() & 15, i & 15, blockposition.getZ() & 15);
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+ ChunkSection chunksection = this.getSections()[y >> 4];
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+ return chunksection == Chunk.EMPTY_CHUNK_SECTION || chunksection.c() ? Blocks.AIR.getBlockData() : chunksection.getType(x & 15, y & 15, z & 15);
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}
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}
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+ // Paper end
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@Override
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public Fluid getFluid(BlockPosition blockposition) {
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diff --git a/src/main/java/net/minecraft/server/ProtoChunkExtension.java b/src/main/java/net/minecraft/server/ProtoChunkExtension.java
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index c5d7a013e65c2c81b14ceb2476c1c6dfe3239f0d..ee8df274d43be753887fb77e4203e2ee30ea02b3 100644
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--- a/src/main/java/net/minecraft/server/ProtoChunkExtension.java
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+++ b/src/main/java/net/minecraft/server/ProtoChunkExtension.java
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@@ -26,6 +26,11 @@ public class ProtoChunkExtension extends ProtoChunk {
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public IBlockData getType(BlockPosition blockposition) {
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return this.a.getType(blockposition);
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}
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+ // Paper start
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+ public final IBlockData getType(final int x, final int y, final int z) {
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+ return this.a.getBlockData(x, y, z);
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+ }
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+ // Paper end
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@Override
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public Fluid getFluid(BlockPosition blockposition) {
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diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
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index ee1f5c1e1bc9440a743a361bf3aaa991dddbc9cd..1e72dd313e1fe0f701f3d14fffdc9a6a8db78934 100644
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--- a/src/main/java/net/minecraft/server/World.java
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+++ b/src/main/java/net/minecraft/server/World.java
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@@ -181,7 +181,7 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
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}
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public static boolean isValidLocation(BlockPosition blockposition) {
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- return !isOutsideWorld(blockposition) && e(blockposition);
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+ return blockposition.isValidLocation();
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}
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public static boolean k(BlockPosition blockposition) {
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@@ -197,7 +197,7 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
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}
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public static boolean isOutsideWorld(BlockPosition blockposition) {
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- return b(blockposition.getY());
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+ return blockposition.isInvalidYLocation();
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}
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public static boolean b(int i) {
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