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Avoid Chunk Lookups for Entity/TileEntity Current Chunk

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In many places where we simply want the current chunk the entity
is in, instead of doing a hashmap lookup for it, we now have access
to the object directly on the Entity/TileEntity object we can directly grab.

Use that local value instead to reduce lookups in many hot places.
This commit is contained in:
Aikar 2018-07-04 03:56:57 -04:00
parent 18c3716c49
commit bbfb696f30
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GPG Key ID: 401ADFC9891FAAFE
1 changed files with 116 additions and 0 deletions
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Spigot-Server-Patches/0326-Avoid-Chunk-Lookups-for-Entity-TileEntity-Current-Ch.patch Normal file
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@ -0,0 +1,116 @@
From 617df7f96ccc3f78fb180a4160fe637a89510f92 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 4 Jul 2018 03:39:51 -0400
Subject: [PATCH] Avoid Chunk Lookups for Entity/TileEntity Current Chunk
In many places where we simply want the current chunk the entity
is in, instead of doing a hashmap lookup for it, we now have access
to the object directly on the Entity/TileEntity object we can directly grab.
Use that local value instead to reduce lookups in many hot places.
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index 71d0db3f3..a51b648c5 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -704,6 +704,7 @@ public class Chunk {
// Spigot end
}
+ public void removeEntity(Entity entity) { b(entity); } // Paper - OBFHELPER
public void b(Entity entity) {
this.a(entity, entity.ac);
}
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index c0816b9f8..36818bf55 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -1511,12 +1511,15 @@ public abstract class World implements IBlockAccess {
int j;
// Paper start - Set based removal lists
for (Entity e : this.f) {
+ /*
j = e.getChunkZ();
int k = e.getChunkX();
if (e.isAddedToChunk() && this.isChunkLoaded(k, j, true)) {
this.getChunkAt(k, j).b(e);
- }
+ }*/
+ Chunk chunk = e.getCurrentChunk();
+ if (chunk != null) chunk.removeEntity(e);
}
for (Entity e : this.f) {
@@ -1577,12 +1580,17 @@ public abstract class World implements IBlockAccess {
this.methodProfiler.b();
this.methodProfiler.a("remove");
if (entity.dead) {
+ // Paper start
+ /*
j = entity.ab;
int l = entity.ad;
- if (entity.aa && this.isChunkLoaded(j, l, true)) {
+ /*if (entity.aa && this.isChunkLoaded(j, l, true)) {
this.getChunkAt(j, l).b(entity);
- }
+ }*/
+ Chunk chunk = entity.getCurrentChunk();
+ if (chunk != null) chunk.removeEntity(entity);
+ // Paper end
guardEntityList = false; // Spigot
this.entityList.remove(this.tickPosition--); // CraftBukkit - Use field for loop variable
@@ -1627,7 +1635,7 @@ public abstract class World implements IBlockAccess {
BlockPosition blockposition = tileentity.getPosition();
// Paper start - Skip ticking in chunks scheduled for unload
- net.minecraft.server.Chunk chunk = this.getChunkIfLoaded(blockposition);
+ net.minecraft.server.Chunk chunk = tileentity.getCurrentChunk();
boolean shouldTick = chunk != null;
if(this.paperConfig.skipEntityTickingInChunksScheduledForUnload)
shouldTick = shouldTick && !chunk.isUnloading() && chunk.scheduledForUnload == null;
@@ -1663,7 +1671,10 @@ public abstract class World implements IBlockAccess {
tilesThisCycle--;
this.tileEntityListTick.remove(tileTickPosition--);
//this.tileEntityList.remove(tileentity); // Paper - remove unused list
- if (this.isLoaded(tileentity.getPosition())) {
+ // Paper start
+ net.minecraft.server.Chunk chunk = tileentity.getCurrentChunk();
+ if (chunk != null) {
+ // Paper end
this.getChunkAtWorldCoords(tileentity.getPosition()).d(tileentity.getPosition());
}
}
@@ -1684,8 +1695,11 @@ public abstract class World implements IBlockAccess {
}
// CraftBukkit end */
- if (this.isLoaded(tileentity1.getPosition())) {
- Chunk chunk = this.getChunkAtWorldCoords(tileentity1.getPosition());
+ // Paper
+ net.minecraft.server.Chunk chunk = tileentity1.getCurrentChunk();
+ if (chunk != null) {
+ //Chunk chunk = this.getChunkAtWorldCoords(tileentity1.getPosition());
+ // Paper end
IBlockData iblockdata = chunk.getBlockData(tileentity1.getPosition());
chunk.a(tileentity1.getPosition(), tileentity1);
@@ -1805,8 +1819,11 @@ public abstract class World implements IBlockAccess {
int k = MathHelper.floor(entity.locZ / 16.0D);
if (!entity.aa || entity.ab != i || entity.ac != j || entity.ad != k) {
- if (entity.aa && this.isChunkLoaded(entity.ab, entity.ad, true)) {
- this.getChunkAt(entity.ab, entity.ad).a(entity, entity.ac);
+ // Paper start
+ Chunk currentChunk = entity.getCurrentChunk();
+ if (entity.aa && currentChunk != null) {
+ currentChunk.removeEntity(entity);
+ // Paper end
}
if (!entity.bD() && !this.isChunkLoaded(i, k, true)) {
--
2.18.0