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While it wasn't really "broken" before, if plugins use NMS (which they really should't be) and mess with entity management themselves, and get it wrong, they could ultimately corrupt our state expectations. I've been unable to reproduce any issues locally, but these changes are the result of me analyzing the code pretty deeply and seeing about how to make it more durable to abnormal usage. Any servers seeing oddities, please run with -Ddebug.entities=true and send me any logs triggered.
80 lines
3.8 KiB
Diff
80 lines
3.8 KiB
Diff
From 857c905119708c593c6cc1b805b45ab2a6b88bf1 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Wed, 4 Jul 2018 03:39:51 -0400
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Subject: [PATCH] Avoid Chunk Lookups for Entity/TileEntity Current Chunk
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In many places where we simply want the current chunk the entity
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is in, instead of doing a hashmap lookup for it, we now have access
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to the object directly on the Entity/TileEntity object we can directly grab.
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Use that local value instead to reduce lookups in many hot places.
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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 d87b08a49e..c7712d2e71 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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@@ -1110,9 +1110,8 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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int i = entity.chunkX;
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int j = entity.chunkZ;
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- if (entity.inChunk && this.isChunkLoaded(i, j, true)) {
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- this.getChunkAt(i, j).b(entity);
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- }
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+ Chunk chunk = entity.getCurrentChunk(); // Paper
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+ if (chunk != null) chunk.removeEntity(entity); // Paper
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// CraftBukkit start - Decrement loop variable field if we've already ticked this entity
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int index = this.entityList.indexOf(entity);
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@@ -1196,9 +1195,8 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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int k = entity.chunkX;
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j = entity.chunkZ;
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- if (entity.inChunk && this.isChunkLoaded(k, j, true)) {
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- this.getChunkAt(k, j).b(entity);
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- }
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+ Chunk chunk = entity.getCurrentChunk(); // Paper
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+ if (chunk != null) chunk.removeEntity(entity); // Paper
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//} // Paper - merge
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//for (Entity e : this.g) { // Paper - merge
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@@ -1262,9 +1260,10 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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j = entity.chunkX;
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int l = entity.chunkZ;
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- if (entity.inChunk && this.isChunkLoaded(j, l, true)) {
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- this.getChunkAt(j, l).b(entity);
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- }
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+ // Paper start
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+ Chunk chunk = entity.getCurrentChunk();
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+ if (chunk != null) chunk.removeEntity(entity);
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+ // Paper end
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guardEntityList = false; // Spigot
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this.entityList.remove(this.tickPosition--); // CraftBukkit - Use field for loop variable
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@@ -1309,7 +1308,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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BlockPosition blockposition = tileentity.getPosition();
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// Paper start - Skip ticking in chunks scheduled for unload
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- net.minecraft.server.Chunk chunk = this.getChunkIfLoaded(blockposition);
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+ net.minecraft.server.Chunk chunk = tileentity.getCurrentChunk();
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boolean shouldTick = chunk != null;
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if(this.paperConfig.skipEntityTickingInChunksScheduledForUnload)
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shouldTick = shouldTick && chunk.scheduledForUnload == null;
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@@ -1345,8 +1344,11 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
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tilesThisCycle--;
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this.tileEntityListTick.remove(tileTickPosition--);
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//this.tileEntityList.remove(tileentity); // Paper - remove unused list
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- if (this.isLoaded(tileentity.getPosition())) {
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- this.getChunkAtWorldCoords(tileentity.getPosition()).d(tileentity.getPosition());
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+ // Paper start
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+ net.minecraft.server.Chunk chunk = tileentity.getCurrentChunk();
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+ if (chunk != null) {
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+ chunk.removeTileEntity(tileentity.getPosition());
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+ // Paper end
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}
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}
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}
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--
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2.21.0
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