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Paper/Spigot-Server-Patches/0080-Optimize-isValidLocation-getType-and-getBlockData-fo.patch
Aikar b62dfa0bf9
Updated Upstream (Bukkit/CraftBukkit) 
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:
39ce5d3a SPIGOT-4399: ItemMeta.equals broken with AttributeModifiers

CraftBukkit Changes:
1cf8b5dc SPIGOT-4400: Populators running on existing chunks
116cb9a1 SPIGOT-4399: Add attribute modifier equality test
5ee1c18a SPIGOT-4398: Set ASM7_EXPERIMENTAL flag
2018-09-28 19:31:59 -04:00

206 Zeilen
9.8 KiB
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Originalformat Blame Verlauf

From ddf05e292f18cdd911fd1360401b33e317016bd3 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Thu, 3 Mar 2016 02:07:55 -0600
Subject: [PATCH] Optimize isValidLocation, getType and getBlockData for inling
Hot methods, so reduce # of instructions for the method.
Move is valid location test to the BlockPosition class so that it can access local variables.
Replace all calls to the new place to the unnecessary forward.
Optimize getType and getBlockData to manually inline and optimize the calls
diff --git a/src/main/java/net/minecraft/server/BaseBlockPosition.java b/src/main/java/net/minecraft/server/BaseBlockPosition.java
index 4048937c63..680764b342 100644
--- a/src/main/java/net/minecraft/server/BaseBlockPosition.java
+++ b/src/main/java/net/minecraft/server/BaseBlockPosition.java
@@ -9,6 +9,14 @@ public class BaseBlockPosition implements Comparable<BaseBlockPosition> {
private final int a;
private final int b;
private final int c;
+ // Paper start
+ public boolean isValidLocation() {
+ return a >= -30000000 && c >= -30000000 && a < 30000000 && c < 30000000 && b >= 0 && b < 256;
+ }
+ public boolean isInvalidYLocation() {
+ return b < 0 || b >= 256;
+ }
+ // Paper end
public BaseBlockPosition(int i, int j, int k) {
this.a = i;
diff --git a/src/main/java/net/minecraft/server/BlockPosition.java b/src/main/java/net/minecraft/server/BlockPosition.java
index 5ed34cf7e3..f4ed98d2d9 100644
--- a/src/main/java/net/minecraft/server/BlockPosition.java
+++ b/src/main/java/net/minecraft/server/BlockPosition.java
@@ -239,6 +239,16 @@ public class BlockPosition extends BaseBlockPosition {
protected int b;
protected int c;
protected int d;
+ // Paper start
+ @Override
+ public boolean isValidLocation() {
+ return b >= -30000000 && d >= -30000000 && b < 30000000 && d < 30000000 && c >= 0 && c < 256;
+ }
+ @Override
+ public boolean isInvalidYLocation() {
+ return c < 0 || c >= 256;
+ }
+ // Paper end
public MutableBlockPosition() {
this(0, 0, 0);
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index 36def82bca..0e84fd283d 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -421,12 +421,24 @@ public class Chunk implements IChunkAccess {
return this.getBlockData(i, j, k).b(this.world, new BlockPosition(i, j, k));
}
- public IBlockData getBlockData(BlockPosition blockposition) { return getType(blockposition); } // Paper
- public IBlockData getType(BlockPosition blockposition) {
+ // Paper start - Optimize getBlockData to reduce instructions
+ public final IBlockData getBlockData(BlockPosition pos) { return getBlockData(pos.getX(), pos.getY(), pos.getZ()); } // Paper
+ public final IBlockData getType(BlockPosition blockposition) {
return this.getBlockData(blockposition.getX(), blockposition.getY(), blockposition.getZ());
}
- public IBlockData getBlockData(int i, int j, int k) {
+ public final IBlockData getBlockData(final int x, final int y, final int z) {
+ // Method body / logic copied from below
+ final int i = y >> 4;
+ if (y >= 0 && i < this.sections.length && this.sections[i] != null) {
+ // Inlined ChunkSection.getType() and DataPaletteBlock.a(int,int,int)
+ return this.sections[i].blockIds.a((y & 15) << 8 | (z & 15) << 4 | x & 15);
+ }
+ return Blocks.AIR.getBlockData();
+ }
+
+ public IBlockData getBlockData_unused(int i, int j, int k) {
+ // Paper end
if (this.world.S() == WorldType.DEBUG_ALL_BLOCK_STATES) {
IBlockData iblockdata = null;
diff --git a/src/main/java/net/minecraft/server/ChunkSection.java b/src/main/java/net/minecraft/server/ChunkSection.java
index 274c449480..7e4c79a1ce 100644
--- a/src/main/java/net/minecraft/server/ChunkSection.java
+++ b/src/main/java/net/minecraft/server/ChunkSection.java
@@ -6,7 +6,7 @@ public class ChunkSection {
private int nonEmptyBlockCount;
private int tickingBlockCount;
private int e;
- private final DataPaletteBlock<IBlockData> blockIds;
+ final DataPaletteBlock<IBlockData> blockIds; // Paper - package
private NibbleArray emittedLight;
private NibbleArray skyLight;
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 275978de83..cad60e4f8b 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -263,11 +263,11 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
}
public static boolean isValidLocation(BlockPosition blockposition) {
- return !k(blockposition) && blockposition.getX() >= -30000000 && blockposition.getZ() >= -30000000 && blockposition.getX() < 30000000 && blockposition.getZ() < 30000000;
+ return blockposition.isValidLocation(); // Paper
}
public static boolean k(BlockPosition blockposition) {
- return blockposition.getY() < 0 || blockposition.getY() >= 256;
+ return blockposition.isInvalidYLocation(); // Paper
}
public boolean isEmpty(BlockPosition blockposition) {
@@ -284,7 +284,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
// test if meets light level, return faster
// logic copied from below
public boolean isLightLevel(BlockPosition blockposition, int level) {
- if (isValidLocation(blockposition)) {
+ if (blockposition.isValidLocation()) {
if (this.getType(blockposition).c(this, blockposition)) {
int sky = getSkylightSubtracted();
if (this.getLightLevel(blockposition.up(), sky) >= level) {
@@ -331,7 +331,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
// CraftBukkit end
Chunk chunk = this.getChunkIfLoaded(blockposition);
if (chunk != null) {
- return isValidLocation(blockposition) ? chunk.getBlockData(blockposition) : Blocks.AIR.getBlockData();
+ return blockposition.isValidLocation() ? chunk.getBlockData(blockposition) : Blocks.AIR.getBlockData(); // Paper
}
return null;
}
@@ -386,7 +386,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
return true;
}
// CraftBukkit end
- if (k(blockposition)) {
+ if (blockposition.isInvalidYLocation()) { // Paper
return false;
} else if (!this.isClientSide && this.worldData.getType() == WorldType.DEBUG_ALL_BLOCK_STATES) {
return false;
@@ -707,11 +707,11 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
blockposition = new BlockPosition(blockposition.getX(), 0, blockposition.getZ());
}
- return !isValidLocation(blockposition) ? enumskyblock.c : (!this.isLoaded(blockposition) ? enumskyblock.c : this.getChunkAtWorldCoords(blockposition).getBrightness(enumskyblock, blockposition));
+ return !blockposition.isValidLocation() ? enumskyblock.c : (!this.isLoaded(blockposition) ? enumskyblock.c : this.getChunkAtWorldCoords(blockposition).getBrightness(enumskyblock, blockposition)); // Paper
}
public void a(EnumSkyBlock enumskyblock, BlockPosition blockposition, int i) {
- if (isValidLocation(blockposition)) {
+ if (blockposition.isValidLocation()) { // Paper
if (this.isLoaded(blockposition)) {
this.getChunkAtWorldCoords(blockposition).a(enumskyblock, blockposition, i);
this.m(blockposition);
@@ -738,7 +738,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
}
}
// CraftBukkit end
- if (k(blockposition)) {
+ if (blockposition.isInvalidYLocation()) { // Paper
return Blocks.VOID_AIR.getBlockData();
} else {
Chunk chunk = this.getChunkAtWorldCoords(blockposition);
@@ -748,7 +748,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
}
public Fluid b(BlockPosition blockposition) {
- if (k(blockposition)) {
+ if (blockposition.isInvalidYLocation()) { // Paper
return FluidTypes.a.i();
} else {
Chunk chunk = this.getChunkAtWorldCoords(blockposition);
@@ -1816,7 +1816,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
public Map<BlockPosition, TileEntity> capturedTileEntities = Maps.newHashMap();
@Nullable
public TileEntity getTileEntity(BlockPosition blockposition) {
- if (k(blockposition)) {
+ if (blockposition.isInvalidYLocation()) { // Paper
return null;
} else {
// CraftBukkit start
@@ -1857,7 +1857,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
}
public void setTileEntity(BlockPosition blockposition, @Nullable TileEntity tileentity) {
- if (!k(blockposition)) {
+ if (!blockposition.isInvalidYLocation()) { // Paper
if (tileentity != null && !tileentity.x()) {
// CraftBukkit start
if (captureBlockStates) {
@@ -1918,7 +1918,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
}
public boolean p(BlockPosition blockposition) {
- if (k(blockposition)) {
+ if (blockposition.isInvalidYLocation()) { // Paper
return false;
} else {
Chunk chunk = this.chunkProvider.getChunkAt(blockposition.getX() >> 4, blockposition.getZ() >> 4, false, false);
--
2.19.0
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