geforkt von Mirrors/Paper
d089acb3bd
ForgeFlower is better than Spigots FernFlower at decompiling the source. However, in order to maintain the CraftBukkit patches, we must keep using spigots for the primary. However, for any file that we import on top of Spigots imported files there is nothing stopping us from using better decompiled files. So these changes will use ForgeFlower to maintain a better set of decomped files, so anything we add on top of Paper can start off in a better spot.
206 Zeilen
9.8 KiB
Diff
206 Zeilen
9.8 KiB
Diff
From 2429e8939eb62f6c57e3b5a6ab067e0942371932 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 5ed34cf7e3..f4ed98d2d9 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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@@ -239,6 +239,16 @@ 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 dcd122d8b5..dee1f7bfe9 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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@@ -427,12 +427,24 @@ 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 94872593b1..ee5d4c5272 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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@@ -281,7 +281,7 @@ 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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@@ -325,7 +325,7 @@ 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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@@ -380,7 +380,7 @@ 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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@@ -701,11 +701,11 @@ 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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@@ -732,7 +732,7 @@ 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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@@ -742,7 +742,7 @@ 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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@@ -1803,7 +1803,7 @@ 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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@@ -1844,7 +1844,7 @@ 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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@@ -1905,7 +1905,7 @@ 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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2.18.0
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