Paper/Spigot-Server-Patches/0256-Add-some-Debug-to-Chunk-Entity-slices.patch
Aikar 36f34f01c0
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:
da9ef3c5 #496: Add methods to get/set ItemStacks in EquipmentSlots
3abebc9f #492: Let Tameable extend Animals rather than Entity
941111a0 #495: Expose ItemStack and hand used in PlayerShearEntityEvent
4fe19cae #494: InventoryView - Add missing Brewing FUEL_TIME

CraftBukkit Changes:
933e9094 #664: Add methods to get/set ItemStacks in EquipmentSlots
18722312 #662: Expose ItemStack and hand used in PlayerShearEntityEvent
2020-05-06 06:05:22 -04:00

72 lines
3.3 KiB
Diff

From 0000000000000000000000000000000000000000 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 6a40dddf467d741300b86075577f9af4840b5f06..0afa8a7ebd8dbdfaac362d66b687e787bc040dee 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -503,6 +503,25 @@ 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;
@@ -512,6 +531,7 @@ public class Chunk implements IChunkAccess {
entity.chunkZ = this.loc.z;
this.entities.add(entity); // Paper - per chunk entity list
this.entitySlices[k].add(entity);
+ entity.entitySlice = this.entitySlices[k]; // Paper
this.markDirty(); // Paper
}
@@ -536,6 +556,10 @@ 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;
+ entity.inChunk = false;
+ }
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 a0379c6a779a5507993827a1402f2acb02eca658..838aa7da699e969e9f067cea54e092959aa83143 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