206 Zeilen
9.8 KiB
Diff
206 Zeilen
9.8 KiB
Diff
From 250ceafb78749d981f6cb4e1eb3521c1f09cc803 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 inling
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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 4048937c63..680764b342 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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@@ -9,6 +9,14 @@ public class BaseBlockPosition implements Comparable<BaseBlockPosition> {
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private final int a;
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private final int b;
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private final int c;
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+ // Paper start
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+ public boolean isValidLocation() {
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+ return a >= -30000000 && c >= -30000000 && a < 30000000 && c < 30000000 && b >= 0 && b < 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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public BaseBlockPosition(int i, int j, int k) {
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this.a = i;
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diff --git a/src/main/java/net/minecraft/server/BlockPosition.java b/src/main/java/net/minecraft/server/BlockPosition.java
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index 5c5f19b4b4..d81e2dc1c5 100644
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--- a/src/main/java/net/minecraft/server/BlockPosition.java
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+++ b/src/main/java/net/minecraft/server/BlockPosition.java
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@@ -240,6 +240,16 @@ public class BlockPosition extends BaseBlockPosition {
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protected int b;
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protected int c;
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protected int d;
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+ // Paper start
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+ @Override
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+ public boolean isValidLocation() {
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+ return b >= -30000000 && d >= -30000000 && b < 30000000 && d < 30000000 && c >= 0 && c < 256;
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+ }
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+ @Override
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+ public boolean isInvalidYLocation() {
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+ return c < 0 || c >= 256;
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+ }
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+ // Paper end
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public MutableBlockPosition() {
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this(0, 0, 0);
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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 8756d39b6e..c5e19383f1 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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@@ -420,12 +420,24 @@ public class Chunk implements IChunkAccess {
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return this.getBlockData(i, j, k).b(this.world, new BlockPosition(i, j, k));
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}
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- public IBlockData getBlockData(BlockPosition blockposition) { return getType(blockposition); } // Paper
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- public IBlockData getType(BlockPosition blockposition) {
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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 final IBlockData getType(BlockPosition blockposition) {
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return this.getBlockData(blockposition.getX(), blockposition.getY(), blockposition.getZ());
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}
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- public IBlockData getBlockData(int i, int j, int k) {
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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) {
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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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+ return Blocks.AIR.getBlockData();
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+ }
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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.S() == WorldType.DEBUG_ALL_BLOCK_STATES) {
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IBlockData iblockdata = null;
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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 274c449480..7e4c79a1ce 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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@@ -6,7 +6,7 @@ public class ChunkSection {
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private int nonEmptyBlockCount;
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private int tickingBlockCount;
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private int e;
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- private final DataPaletteBlock<IBlockData> blockIds;
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+ final DataPaletteBlock<IBlockData> blockIds; // Paper - package
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private NibbleArray emittedLight;
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private NibbleArray skyLight;
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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 275978de83..cad60e4f8b 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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@@ -263,11 +263,11 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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}
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public static boolean isValidLocation(BlockPosition blockposition) {
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- return !k(blockposition) && blockposition.getX() >= -30000000 && blockposition.getZ() >= -30000000 && blockposition.getX() < 30000000 && blockposition.getZ() < 30000000;
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+ return blockposition.isValidLocation(); // Paper
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}
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public static boolean k(BlockPosition blockposition) {
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- return blockposition.getY() < 0 || blockposition.getY() >= 256;
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+ return blockposition.isInvalidYLocation(); // Paper
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}
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public boolean isEmpty(BlockPosition blockposition) {
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@@ -284,7 +284,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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// test if meets light level, return faster
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// logic copied from below
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public boolean isLightLevel(BlockPosition blockposition, int level) {
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- if (isValidLocation(blockposition)) {
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+ if (blockposition.isValidLocation()) {
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if (this.getType(blockposition).c(this, blockposition)) {
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int sky = getSkylightSubtracted();
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if (this.getLightLevel(blockposition.up(), sky) >= level) {
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@@ -331,7 +331,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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// CraftBukkit end
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Chunk chunk = this.getChunkIfLoaded(blockposition);
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if (chunk != null) {
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- return isValidLocation(blockposition) ? chunk.getBlockData(blockposition) : Blocks.AIR.getBlockData();
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+ return blockposition.isValidLocation() ? chunk.getBlockData(blockposition) : Blocks.AIR.getBlockData(); // Paper
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}
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return null;
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}
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@@ -386,7 +386,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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return true;
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}
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// CraftBukkit end
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- if (k(blockposition)) {
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+ if (blockposition.isInvalidYLocation()) { // Paper
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return false;
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} else if (!this.isClientSide && this.worldData.getType() == WorldType.DEBUG_ALL_BLOCK_STATES) {
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return false;
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@@ -707,11 +707,11 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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blockposition = new BlockPosition(blockposition.getX(), 0, blockposition.getZ());
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}
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- return !isValidLocation(blockposition) ? enumskyblock.c : (!this.isLoaded(blockposition) ? enumskyblock.c : this.getChunkAtWorldCoords(blockposition).getBrightness(enumskyblock, blockposition));
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+ return !blockposition.isValidLocation() ? enumskyblock.c : (!this.isLoaded(blockposition) ? enumskyblock.c : this.getChunkAtWorldCoords(blockposition).getBrightness(enumskyblock, blockposition)); // Paper
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}
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public void a(EnumSkyBlock enumskyblock, BlockPosition blockposition, int i) {
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- if (isValidLocation(blockposition)) {
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+ if (blockposition.isValidLocation()) { // Paper
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if (this.isLoaded(blockposition)) {
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this.getChunkAtWorldCoords(blockposition).a(enumskyblock, blockposition, i);
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this.m(blockposition);
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@@ -738,7 +738,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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}
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}
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// CraftBukkit end
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- if (k(blockposition)) {
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+ if (blockposition.isInvalidYLocation()) { // Paper
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return Blocks.VOID_AIR.getBlockData();
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} else {
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Chunk chunk = this.getChunkAtWorldCoords(blockposition);
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@@ -748,7 +748,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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}
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public Fluid b(BlockPosition blockposition) {
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- if (k(blockposition)) {
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+ if (blockposition.isInvalidYLocation()) { // Paper
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return FluidTypes.a.i();
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} else {
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Chunk chunk = this.getChunkAtWorldCoords(blockposition);
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@@ -1816,7 +1816,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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public Map<BlockPosition, TileEntity> capturedTileEntities = Maps.newHashMap();
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@Nullable
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public TileEntity getTileEntity(BlockPosition blockposition) {
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- if (k(blockposition)) {
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+ if (blockposition.isInvalidYLocation()) { // Paper
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return null;
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} else {
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// CraftBukkit start
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@@ -1857,7 +1857,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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}
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public void setTileEntity(BlockPosition blockposition, @Nullable TileEntity tileentity) {
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- if (!k(blockposition)) {
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+ if (!blockposition.isInvalidYLocation()) { // Paper
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if (tileentity != null && !tileentity.x()) {
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// CraftBukkit start
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if (captureBlockStates) {
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@@ -1918,7 +1918,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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}
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public boolean p(BlockPosition blockposition) {
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- if (k(blockposition)) {
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+ if (blockposition.isInvalidYLocation()) { // Paper
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return false;
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} else {
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Chunk chunk = this.chunkProvider.getChunkAt(blockposition.getX() >> 4, blockposition.getZ() >> 4, false, false);
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--
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2.19.0
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