Paper/Spigot-Server-Patches/0258-Add-some-Debug-to-Chunk-Entity-slices.patch
Zach Brown 01de058bf2
Little more progress
Keep getting interrupted so not as much as I'd like :(
2019-12-11 20:48:34 -06:00

74 lines
3.1 KiB
Diff

From 5ad8734def245b4eaeb12a9271d1d878e654f98a Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Mon, 23 Jul 2018 22:44:23 -0400
Subject: [PATCH] Add some Debug to Chunk Entity slices
If we detect unexpected state, log and try to recover
This should hopefully avoid duplicate entities ever being created
if the entity was to end up in 2 different chunk slices
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index 6774c6480..b156f5428 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -402,6 +402,25 @@ public class Chunk implements IChunkAccess {
if (k >= this.entitySlices.length) {
k = this.entitySlices.length - 1;
}
+ // Paper - remove from any old list if its in one
+ List<Entity> nextSlice = this.entitySlices[k]; // the next list to be added to
+ List<Entity> currentSlice = entity.entitySlice;
+ if (nextSlice == currentSlice) {
+ if (World.DEBUG_ENTITIES) MinecraftServer.LOGGER.warn("Entity was already in this chunk!" + entity, new Throwable());
+ return; // ??? silly plugins
+ }
+ if (currentSlice != null && currentSlice.contains(entity)) {
+ // Still in an old chunk...
+ if (World.DEBUG_ENTITIES) MinecraftServer.LOGGER.warn("Entity is still in another chunk!" + entity, new Throwable());
+ Chunk chunk = entity.getCurrentChunk();
+ if (chunk != null) {
+ chunk.removeEntity(entity);
+ } else {
+ removeEntity(entity);
+ }
+ currentSlice.remove(entity); // Just incase the above did not remove from the previous slice
+ }
+ // Paper end
if (!entity.inChunk || entity.getCurrentChunk() != this) entityCounts.increment(entity.getMinecraftKeyString()); // Paper
entity.inChunk = true;
@@ -410,6 +429,7 @@ public class Chunk implements IChunkAccess {
entity.chunkY = k;
entity.chunkZ = this.loc.z;
this.entitySlices[k].add(entity);
+ entity.entitySlice = this.entitySlices[k]; // Paper
this.markDirty(); // Paper
}
@@ -433,6 +453,9 @@ public class Chunk implements IChunkAccess {
}
// Paper start
if (entity.currentChunk != null && entity.currentChunk.get() == this) entity.setCurrentChunk(null);
+ if (entitySlices[i] == entity.entitySlice) {
+ entity.entitySlice = null;
+ }
if (!this.entitySlices[i].remove(entity)) {
return;
}
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 6ef5d2ebd..be8f6ac99 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -71,6 +71,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
}
}
};
+ List<Entity> entitySlice = null;
// Paper end
public com.destroystokyo.paper.loottable.PaperLootableInventoryData lootableData; // Paper
--
2.24.0