261 Zeilen
12 KiB
Diff
261 Zeilen
12 KiB
Diff
From 83aa50c2c80d1e27071ddc42948717897b3baff5 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 d55e180d..679d5504 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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@@ -10,6 +10,14 @@ 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 67b476b2..008ed206 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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@@ -339,6 +339,16 @@ 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 84a88056..172d00bd 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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@@ -406,11 +406,27 @@ public class Chunk {
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return this.a(i, j, k).c();
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}
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- public IBlockData getBlockData(BlockPosition blockposition) {
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- return this.a(blockposition.getX(), blockposition.getY(), blockposition.getZ());
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+ // Paper start - Optimize getBlockData to reduce instructions
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+ public final IBlockData getBlockData(final BlockPosition pos) {
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+ return getBlockData(pos.getX(), pos.getY(), pos.getZ());
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+ }
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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) {
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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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public IBlockData a(final int i, final int j, final int k) {
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+ return getBlockData(i, j, k);
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+ }
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+
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+ public IBlockData unused(final int i, final int j, final int k) {
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+ // Paper end
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if (this.world.N() == 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 3d784d0d..afdc4a77 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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@@ -5,7 +5,7 @@ public class ChunkSection {
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private final int yPos;
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private int nonEmptyBlockCount;
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private int tickingBlockCount;
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- private final DataPaletteBlock blockIds;
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+ final DataPaletteBlock 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 9339bf83..a20c9810 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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@@ -277,12 +277,12 @@ public abstract class World implements IBlockAccess {
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return this.getType(blockposition1);
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}
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- private boolean isValidLocation(BlockPosition blockposition) {
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- return !this.E(blockposition) && blockposition.getX() >= -30000000 && blockposition.getZ() >= -30000000 && blockposition.getX() < 30000000 && blockposition.getZ() < 30000000;
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+ private static boolean isValidLocation(BlockPosition blockposition) { // Paper - unused but incase reflection / future uses
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+ return blockposition.isValidLocation(); // Paper
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}
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- private boolean E(BlockPosition blockposition) {
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- return blockposition.getY() < 0 || blockposition.getY() >= 256;
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+ private static boolean E(BlockPosition blockposition) { // Paper - unused but incase reflection / future uses
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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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@@ -378,7 +378,7 @@ public abstract class World implements IBlockAccess {
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return true;
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}
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// CraftBukkit end
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- if (this.E(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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@@ -695,7 +695,7 @@ public abstract class World implements IBlockAccess {
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// Paper start - 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).f()) {
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if (this.c(blockposition.up(), false) >= level) {
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return true;
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@@ -814,7 +814,7 @@ public abstract class World implements IBlockAccess {
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blockposition = new BlockPosition(blockposition.getX(), 0, blockposition.getZ());
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}
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- if (!this.isValidLocation(blockposition)) {
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+ if (!blockposition.isValidLocation()) { // Paper
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return enumskyblock.c;
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} else if (!this.isLoaded(blockposition)) {
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return enumskyblock.c;
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@@ -826,7 +826,7 @@ public abstract class World implements IBlockAccess {
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}
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public void a(EnumSkyBlock enumskyblock, BlockPosition blockposition, int i) {
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- if (this.isValidLocation(blockposition)) {
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+ if (blockposition.isValidLocation()) { // Paper
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if (this.isLoaded(blockposition)) {
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Chunk chunk = this.getChunkAtWorldCoords(blockposition);
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@@ -850,19 +850,19 @@ public abstract class World implements IBlockAccess {
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// Paper start - reduces need to do isLoaded before getType
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public IBlockData getTypeIfLoaded(BlockPosition blockposition) {
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// CraftBukkit start - tree generation
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+ final int x = blockposition.getX();
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+ final int y = blockposition.getY();
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+ final int z = blockposition.getZ();
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if (captureTreeGeneration) {
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- Iterator<BlockState> it = capturedBlockStates.iterator();
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- while (it.hasNext()) {
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- BlockState previous = it.next();
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- if (previous.getX() == blockposition.getX() && previous.getY() == blockposition.getY() && previous.getZ() == blockposition.getZ()) {
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- return CraftMagicNumbers.getBlock(previous.getTypeId()).fromLegacyData(previous.getRawData());
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- }
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+ final IBlockData previous = getCapturedBlockType(x, y, z);
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+ if (previous != null) {
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+ return previous;
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}
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}
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// CraftBukkit end
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- Chunk chunk = this.getChunkIfLoaded(blockposition);
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+ Chunk chunk = ((ChunkProviderServer) this.chunkProvider).getChunkIfLoaded(x >> 4, z >> 4);
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if (chunk != null) {
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- return this.isValidLocation(blockposition) ? chunk.getBlockData(blockposition) : Blocks.AIR.getBlockData();
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+ return chunk.getBlockData(x, y, z);
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}
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return null;
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}
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@@ -870,24 +870,33 @@ public abstract class World implements IBlockAccess {
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public IBlockData getType(BlockPosition blockposition) {
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// CraftBukkit start - tree generation
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+ // Paper start - optimize getType lookup to reduce instructions - getBlockData already enforces valid Y, move tree out
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+ final int x = blockposition.getX();
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+ final int y = blockposition.getY();
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+ final int z = blockposition.getZ();
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if (captureTreeGeneration) {
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- Iterator<BlockState> it = capturedBlockStates.iterator();
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- while (it.hasNext()) {
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- BlockState previous = it.next();
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- if (previous.getX() == blockposition.getX() && previous.getY() == blockposition.getY() && previous.getZ() == blockposition.getZ()) {
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- return CraftMagicNumbers.getBlock(previous.getTypeId()).fromLegacyData(previous.getRawData());
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- }
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+ final IBlockData previous = getCapturedBlockType(x, y, z);
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+ if (previous != null) {
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+ return previous;
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}
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}
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// CraftBukkit end
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- if (this.E(blockposition)) {
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- return Blocks.AIR.getBlockData();
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- } else {
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- Chunk chunk = this.getChunkAtWorldCoords(blockposition);
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+ return this.chunkProvider.getChunkAt(x >> 4, z >> 4).getBlockData(x, y, z);
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+ // Paper end
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+ }
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- return chunk.getBlockData(blockposition);
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+ // Paper start
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+ private IBlockData getCapturedBlockType(int x, int y, int z) {
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+ Iterator<BlockState> it = capturedBlockStates.iterator();
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+ while (it.hasNext()) {
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+ BlockState previous = it.next();
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+ if (previous.getX() == x && previous.getY() == y && previous.getZ() == z) {
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+ return CraftMagicNumbers.getBlock(previous.getTypeId()).fromLegacyData(previous.getRawData());
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+ }
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}
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+ return null;
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}
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+ // Paper end
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public boolean D() {
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return this.L < 4;
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@@ -2017,7 +2026,7 @@ public abstract class World implements IBlockAccess {
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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 (this.E(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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@@ -2058,7 +2067,7 @@ public abstract class World implements IBlockAccess {
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}
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public void setTileEntity(BlockPosition blockposition, @Nullable TileEntity tileentity) {
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- if (!this.E(blockposition)) {
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+ if (!blockposition.isInvalidYLocation()) {
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if (tileentity != null && !tileentity.y()) {
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// CraftBukkit start
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if (captureBlockStates) {
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@@ -2121,7 +2130,7 @@ public abstract class World implements IBlockAccess {
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}
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public boolean d(BlockPosition blockposition, boolean flag) {
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- if (this.E(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.getLoadedChunkAt(blockposition.getX() >> 4, blockposition.getZ() >> 4);
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--
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2.14.3
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