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Optimized Light Level Comparisons

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Use an optimized method to test if a block position meets a desired light level.

This method benefits from returning as soon as the desired light level matches.

Also Optimize Grass more
This commit is contained in:
Aikar 2016-03-18 23:55:31 -04:00
parent 148f3809ca
commit 7c7f8b83ab
5 changed files with 251 additions and 19 deletions
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12
Spigot-Server-Patches/0040-Disable-explosion-knockback.patch
View file

@ -1,4 +1,4 @@
From af80def89b8b7064581e872b121842e79a182369 Mon Sep 17 00:00:00 2001
From 79f474e20de6c1d0267e736b5310a2054523816f Mon Sep 17 00:00:00 2001
From: Sudzzy <originmc@outlook.com>
Date: Wed, 2 Mar 2016 14:48:03 -0600
Subject: [PATCH] Disable explosion knockback
@ -19,10 +19,10 @@ index 78a1e59..6fce2b3 100644
+ }
}
diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
index b864c5a..f3fdd4c 100644
index 8122cae..d24987b 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -853,12 +853,14 @@ public abstract class EntityLiving extends Entity {
@@ -854,12 +854,14 @@ public abstract class EntityLiving extends Entity {
}
}
@ -37,7 +37,7 @@ index b864c5a..f3fdd4c 100644
this.world.broadcastEntityEffect(this, (byte) 2);
}
@@ -882,6 +884,8 @@ public abstract class EntityLiving extends Entity {
@@ -883,6 +885,8 @@ public abstract class EntityLiving extends Entity {
}
}
@ -47,7 +47,7 @@ index b864c5a..f3fdd4c 100644
SoundEffect soundeffect = this.bS();
diff --git a/src/main/java/net/minecraft/server/Explosion.java b/src/main/java/net/minecraft/server/Explosion.java
index afe402e..cd2fb14 100644
index 5bb2510..418ee29 100644
--- a/src/main/java/net/minecraft/server/Explosion.java
+++ b/src/main/java/net/minecraft/server/Explosion.java
@@ -145,7 +145,7 @@ public class Explosion {
@ -69,5 +69,5 @@ index afe402e..cd2fb14 100644
}
}
--
2.7.3
2.7.4

18
Spigot-Server-Patches/0057-Timings-v2.patch
View file

@ -1,4 +1,4 @@
From 1630cb02eea11c5c6a1d5b71c2ec173a5f4d7cc0 Mon Sep 17 00:00:00 2001
From 9f7f98e15f55f83febc8e32b4e98f89f516109b2 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Thu, 3 Mar 2016 04:00:11 -0600
Subject: [PATCH] Timings v2
@ -328,7 +328,7 @@ index cf58f74..38bc9c0 100644
public void recalcPosition() {
diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
index f3fdd4c..d2f7cc2 100644
index d24987b..1d5ea58 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -24,7 +24,7 @@ import org.bukkit.event.entity.EntityRegainHealthEvent;
@ -340,7 +340,7 @@ index f3fdd4c..d2f7cc2 100644
public abstract class EntityLiving extends Entity {
@@ -1688,7 +1688,6 @@ public abstract class EntityLiving extends Entity {
@@ -1693,7 +1693,6 @@ public abstract class EntityLiving extends Entity {
}
public void m() {
@ -348,7 +348,7 @@ index f3fdd4c..d2f7cc2 100644
super.m();
this.cu();
if (!this.world.isClientSide) {
@@ -1761,9 +1760,7 @@ public abstract class EntityLiving extends Entity {
@@ -1766,9 +1765,7 @@ public abstract class EntityLiving extends Entity {
}
}
@ -358,7 +358,7 @@ index f3fdd4c..d2f7cc2 100644
double d0 = this.locX - this.lastX;
double d1 = this.locZ - this.lastZ;
float f = (float) (d0 * d0 + d1 * d1);
@@ -1832,8 +1829,6 @@ public abstract class EntityLiving extends Entity {
@@ -1837,8 +1834,6 @@ public abstract class EntityLiving extends Entity {
} else {
this.bo = 0;
}
@ -367,7 +367,7 @@ index f3fdd4c..d2f7cc2 100644
}
protected float h(float f, float f1) {
@@ -1898,7 +1893,6 @@ public abstract class EntityLiving extends Entity {
@@ -1903,7 +1898,6 @@ public abstract class EntityLiving extends Entity {
}
this.world.methodProfiler.a("ai");
@ -375,7 +375,7 @@ index f3fdd4c..d2f7cc2 100644
if (this.cf()) {
this.bc = false;
this.bd = 0.0F;
@@ -1909,7 +1903,6 @@ public abstract class EntityLiving extends Entity {
@@ -1914,7 +1908,6 @@ public abstract class EntityLiving extends Entity {
this.doTick();
this.world.methodProfiler.b();
}
@ -383,7 +383,7 @@ index f3fdd4c..d2f7cc2 100644
this.world.methodProfiler.b();
this.world.methodProfiler.a("jump");
@@ -1932,14 +1925,10 @@ public abstract class EntityLiving extends Entity {
@@ -1937,14 +1930,10 @@ public abstract class EntityLiving extends Entity {
this.be *= 0.98F;
this.bf *= 0.9F;
this.r();
@ -528,7 +528,7 @@ index d898428..f579d28 100644
private static Map<String, Class<? extends TileEntity>> f = Maps.newHashMap();
private static Map<Class<? extends TileEntity>, String> g = Maps.newHashMap();
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 1815f79..21b0986 100644
index fc38527..98df4f4 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -18,11 +18,11 @@ import com.google.common.collect.Maps;

8
Spigot-Server-Patches/0080-Add-methods-for-working-with-arrows-stuck-in-living-.patch
View file

@ -1,14 +1,14 @@
From fe207a679722e373b467c738106f8a5566bb9b8c Mon Sep 17 00:00:00 2001
From cb235b47d0b86defc04f886883da0a4cdae9ab81 Mon Sep 17 00:00:00 2001
From: mrapple <tony@oc.tc>
Date: Sun, 25 Nov 2012 13:43:39 -0600
Subject: [PATCH] Add methods for working with arrows stuck in living entities
diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
index d2f7cc2..e5d1fe0 100644
index 1d5ea58..34abdd4 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -1265,10 +1265,12 @@ public abstract class EntityLiving extends Entity {
@@ -1270,10 +1270,12 @@ public abstract class EntityLiving extends Entity {
return (float) this.getAttributeInstance(GenericAttributes.maxHealth).getValue();
}
@ -43,5 +43,5 @@ index 6f25d18..693d5cb 100644
+ // Paper end
}
--
2.7.2
2.7.4

97
Spigot-Server-Patches/0093-Add-World-Util-Methods.patch Normal file
View file

@ -0,0 +1,97 @@
From 965df3c371af6bc8f0725dbaa14200f65cf61785 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Fri, 18 Mar 2016 20:16:03 -0400
Subject: [PATCH] Add World Util Methods
Methods that can be used for other patches to help improve logic.
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index b356aa6..dafe3b2 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -156,6 +156,12 @@ public abstract class World implements IBlockAccess {
return (CraftServer) Bukkit.getServer();
}
+ // Paper start
+ public Chunk getChunkIfLoaded(BlockPosition blockposition) {
+ return ((ChunkProviderServer) this.chunkProvider).getChunkIfLoaded(blockposition.getX() >> 4, blockposition.getZ() >> 4);
+ }
+ // Paper end
+
public Chunk getChunkIfLoaded(int x, int z) {
return ((ChunkProviderServer) this.chunkProvider).getChunkIfLoaded(x, z);
}
@@ -628,6 +634,41 @@ public abstract class World implements IBlockAccess {
}
}
+ // Paper start - test if meets light level, return faster
+ // logic copied from below
+ public boolean isLightLevel(BlockPosition blockposition, int level) {
+ if (isValidLocation(blockposition)) {
+ if (this.getType(blockposition).f()) {
+ if (this.c(blockposition.up(), false) >= level) {
+ return true;
+ }
+ if (this.c(blockposition.east(), false) >= level) {
+ return true;
+ }
+ if (this.c(blockposition.west(), false) >= level) {
+ return true;
+ }
+ if (this.c(blockposition.south(), false) >= level) {
+ return true;
+ }
+ if (this.c(blockposition.north(), false) >= level) {
+ return true;
+ }
+ return false;
+ } else {
+ if (blockposition.getY() >= 256) {
+ blockposition = new BlockPosition(blockposition.getX(), 255, blockposition.getZ());
+ }
+
+ Chunk chunk = this.getChunkAtWorldCoords(blockposition);
+ return chunk.a(blockposition, this.J) >= level;
+ }
+ } else {
+ return true;
+ }
+ }
+ // Paper end
+
public int getLightLevel(BlockPosition blockposition) {
return this.c(blockposition, true);
}
@@ -742,6 +783,27 @@ public abstract class World implements IBlockAccess {
return this.worldProvider.n()[this.getLightLevel(blockposition)];
}
+ // Paper start - reduces need to do isLoaded before getType
+ public IBlockData getTypeIfLoaded(BlockPosition blockposition) {
+ // CraftBukkit start - tree generation
+ if (captureTreeGeneration) {
+ Iterator<BlockState> it = capturedBlockStates.iterator();
+ while (it.hasNext()) {
+ BlockState previous = it.next();
+ if (previous.getX() == blockposition.getX() && previous.getY() == blockposition.getY() && previous.getZ() == blockposition.getZ()) {
+ return CraftMagicNumbers.getBlock(previous.getTypeId()).fromLegacyData(previous.getRawData());
+ }
+ }
+ }
+ // CraftBukkit end
+ Chunk chunk = this.getChunkIfLoaded(blockposition);
+ if (chunk != null) {
+ return this.isValidLocation(blockposition) ? chunk.getBlockData(blockposition) : Blocks.AIR.getBlockData();
+ }
+ return null;
+ }
+ // Paper end
+
public IBlockData getType(BlockPosition blockposition) {
// CraftBukkit start - tree generation
if (captureTreeGeneration) {
--
2.7.4

135
Spigot-Server-Patches/0094-Optimized-Light-Level-Comparisons.patch Normal file
View file

@ -0,0 +1,135 @@
From d2745c17b2cd8c0c9edf0d6cc7adeee17cdd4432 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Fri, 18 Mar 2016 21:22:56 -0400
Subject: [PATCH] Optimized Light Level Comparisons
Use an optimized method to test if a block position meets a desired light level.
This method benefits from returning as soon as the desired light level matches.
diff --git a/src/main/java/net/minecraft/server/BlockCrops.java b/src/main/java/net/minecraft/server/BlockCrops.java
index 7c909d8..5d6e6cb 100644
--- a/src/main/java/net/minecraft/server/BlockCrops.java
+++ b/src/main/java/net/minecraft/server/BlockCrops.java
@@ -48,7 +48,7 @@ public class BlockCrops extends BlockPlant implements IBlockFragilePlantElement
public void b(World world, BlockPosition blockposition, IBlockData iblockdata, Random random) {
super.b(world, blockposition, iblockdata, random);
- if (world.getLightLevel(blockposition.up()) >= 9) {
+ if (world.isLightLevel(blockposition.up(), 9)) { // Paper
int i = this.x(iblockdata);
if (i < this.g()) {
diff --git a/src/main/java/net/minecraft/server/BlockGrass.java b/src/main/java/net/minecraft/server/BlockGrass.java
index fe55848..8fc736d 100644
--- a/src/main/java/net/minecraft/server/BlockGrass.java
+++ b/src/main/java/net/minecraft/server/BlockGrass.java
@@ -29,7 +29,8 @@ public class BlockGrass extends Block implements IBlockFragilePlantElement {
public void b(World world, BlockPosition blockposition, IBlockData iblockdata, Random random) {
if (!world.isClientSide) {
- if (world.getLightLevel(blockposition.up()) < 4 && world.getType(blockposition.up()).c() > 2) {
+ int lightLevel = -1; // Paper
+ if (world.getType(blockposition.up()).c() > 2 && (lightLevel = world.getLightLevel(blockposition.up())) < 4) { // Paper - move light check to end to avoid unneeded light lookups
// CraftBukkit start
// world.setTypeUpdate(blockposition, Blocks.DIRT.getBlockData());
org.bukkit.World bworld = world.getWorld();
@@ -44,18 +45,25 @@ public class BlockGrass extends Block implements IBlockFragilePlantElement {
}
// CraftBukkit end
} else {
- if (world.getLightLevel(blockposition.up()) >= 9) {
+ // Paper start
+ // If light was calculated above, reuse it, else grab it
+ if (lightLevel == -1) {
+ lightLevel = world.getLightLevel(blockposition.up());
+ }
+ if (lightLevel >= 9) {
+ // Paper end
for (int i = 0; i < 4; ++i) {
BlockPosition blockposition1 = blockposition.a(random.nextInt(3) - 1, random.nextInt(5) - 3, random.nextInt(3) - 1);
- if (blockposition1.getY() >= 0 && blockposition1.getY() < 256 && !world.isLoaded(blockposition1)) {
+ IBlockData iblockdata2 = world.getTypeIfLoaded(blockposition1); // Paper - moved up
+ if (iblockdata2 == null) { // Paper
return;
}
IBlockData iblockdata1 = world.getType(blockposition1.up());
- IBlockData iblockdata2 = world.getType(blockposition1);
+ //IBlockData iblockdata2 = world.getTypeIfLoaded(blockposition1); // Paper - moved up
- if (iblockdata2.getBlock() == Blocks.DIRT && iblockdata2.get(BlockDirt.VARIANT) == BlockDirt.EnumDirtVariant.DIRT && world.getLightLevel(blockposition1.up()) >= 4 && iblockdata1.c() <= 2) {
+ if (iblockdata2.getBlock() == Blocks.DIRT && iblockdata2.get(BlockDirt.VARIANT) == BlockDirt.EnumDirtVariant.DIRT && iblockdata1.c() <= 2 && world.isLightLevel(blockposition1.up(), 4)) { // Paper - move last check before isLightLevel to avoid unneeded light checks
// CraftBukkit start
// world.setTypeUpdate(blockposition1, Blocks.GRASS.getBlockData());
org.bukkit.World bworld = world.getWorld();
diff --git a/src/main/java/net/minecraft/server/BlockSapling.java b/src/main/java/net/minecraft/server/BlockSapling.java
index 8b34250..b6de103 100644
--- a/src/main/java/net/minecraft/server/BlockSapling.java
+++ b/src/main/java/net/minecraft/server/BlockSapling.java
@@ -34,7 +34,7 @@ public class BlockSapling extends BlockPlant implements IBlockFragilePlantElemen
public void b(World world, BlockPosition blockposition, IBlockData iblockdata, Random random) {
if (!world.isClientSide) {
super.b(world, blockposition, iblockdata, random);
- if (world.getLightLevel(blockposition.up()) >= 9 && random.nextInt(Math.max(2, (int) (((100 / world.spigotConfig.saplingModifier) * 7) + 0.5F))) == 0) { // Spigot
+ if (world.isLightLevel(blockposition.up(), 9) && random.nextInt(Math.max(2, (int) (((100 / world.spigotConfig.saplingModifier) * 7) + 0.5F))) == 0) { // Spigot // Paper
// CraftBukkit start
world.captureTreeGeneration = true;
// CraftBukkit end
diff --git a/src/main/java/net/minecraft/server/BlockStem.java b/src/main/java/net/minecraft/server/BlockStem.java
index 097d11e..d0fa4ae 100644
--- a/src/main/java/net/minecraft/server/BlockStem.java
+++ b/src/main/java/net/minecraft/server/BlockStem.java
@@ -47,7 +47,7 @@ public class BlockStem extends BlockPlant implements IBlockFragilePlantElement {
public void b(World world, BlockPosition blockposition, IBlockData iblockdata, Random random) {
super.b(world, blockposition, iblockdata, random);
- if (world.getLightLevel(blockposition.up()) >= 9) {
+ if (world.isLightLevel(blockposition.up(), 9)) { // Paper
float f = BlockCrops.a((Block) this, world, blockposition);
if (random.nextInt((int) ((100 / (this == Blocks.PUMPKIN_STEM ? world.spigotConfig.pumpkinModifier : world.spigotConfig.melonModifier)) * (25.0F / f)) + 1) == 0) { // Spigot
diff --git a/src/main/java/net/minecraft/server/EntityMonster.java b/src/main/java/net/minecraft/server/EntityMonster.java
index 64f4754..6dc21fb 100644
--- a/src/main/java/net/minecraft/server/EntityMonster.java
+++ b/src/main/java/net/minecraft/server/EntityMonster.java
@@ -118,17 +118,17 @@ public abstract class EntityMonster extends EntityCreature implements IMonster {
if (this.world.b(EnumSkyBlock.SKY, blockposition) > this.random.nextInt(32)) {
return false;
} else {
- int i = this.world.getLightLevel(blockposition);
-
+ //int i = this.world.getLightLevel(blockposition); // Paper
+ boolean passes; // Paper
if (this.world.V()) {
int j = this.world.af();
this.world.c(10);
- i = this.world.getLightLevel(blockposition);
+ passes = world.isLightLevel(blockposition, this.random.nextInt(8)); // Paper
this.world.c(j);
- }
+ } else { passes = world.isLightLevel(blockposition, this.random.nextInt(8)); } // Paper
- return i <= this.random.nextInt(8);
+ return passes; // Paper
}
}
diff --git a/src/main/java/net/minecraft/server/EntityZombie.java b/src/main/java/net/minecraft/server/EntityZombie.java
index 949452c..d6c07a2 100644
--- a/src/main/java/net/minecraft/server/EntityZombie.java
+++ b/src/main/java/net/minecraft/server/EntityZombie.java
@@ -194,7 +194,7 @@ public class EntityZombie extends EntityMonster {
int j1 = j + MathHelper.nextInt(this.random, 7, 40) * MathHelper.nextInt(this.random, -1, 1);
int k1 = k + MathHelper.nextInt(this.random, 7, 40) * MathHelper.nextInt(this.random, -1, 1);
- if (this.world.getType(new BlockPosition(i1, j1 - 1, k1)).q() && this.world.getLightLevel(new BlockPosition(i1, j1, k1)) < 10) {
+ if (this.world.getType(new BlockPosition(i1, j1 - 1, k1)).q() && !this.world.isLightLevel(new BlockPosition(i1, j1, k1), 10)) { // Paper
entityzombie.setPosition((double) i1, (double) j1, (double) k1);
if (!this.world.isPlayerNearby((double) i1, (double) j1, (double) k1, 7.0D) && this.world.a(entityzombie.getBoundingBox(), (Entity) entityzombie) && this.world.getCubes(entityzombie, entityzombie.getBoundingBox()).isEmpty() && !this.world.containsLiquid(entityzombie.getBoundingBox())) {
this.world.addEntity(entityzombie, CreatureSpawnEvent.SpawnReason.REINFORCEMENTS); // CraftBukkit
--
2.7.4