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https://github.com/PaperMC/Paper.git
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Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 09f10fd9 SPIGOT-5950: Add PrepareSmithingEvent event CraftBukkit Changes:7c03d257
SPIGOT-6011: End Gateways do not work on Non-Main End Worldsd492e363
SPIGOT-6015: Small Armor Stand doesn't drop items5db13eea
SPIGOT-5950: Add PrepareSmithingEvent event
216 lines
10 KiB
Diff
216 lines
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 08d9268c6b6883757d6a6f008dda846d34d63dca..8308c1dbff44226f93715670ce03504f53f6fdb7 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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