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Paper/Spigot-Server-Patches/0358-Fix-issues-with-entity-loss-due-to-unloaded-chunks.patch
Prof-Bloodstone 42433c2626
Updated Upstream (Bukkit/CraftBukkit) (#3980)
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:
09f10fd9 SPIGOT-5950: Add PrepareSmithingEvent event

CraftBukkit Changes:
7c03d257 SPIGOT-6011: End Gateways do not work on Non-Main End Worlds
d492e363 SPIGOT-6015: Small Armor Stand doesn't drop items
5db13eea SPIGOT-5950: Add PrepareSmithingEvent event
2020-07-22 19:35:44 -04:00

54 Zeilen
2.8 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Fri, 28 Sep 2018 21:49:53 -0400
Subject: [PATCH] Fix issues with entity loss due to unloaded chunks
Vanilla has risk of losing entities by causing them to be
removed from all chunks if they try to move into an unloaded chunk.
This pretty much means high chance this entity will be lost in this
scenario.
There is another case that adding an entity to the world can fail if
the chunk isn't loaded.
Lots of the server is designed around addEntity never expecting to fail
for these reasons, nor is it really logical.
This change ensures the chunks are always loaded when entities are
added to the world, or a valid entity moves between chunks.
diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index c08391411648206b244896c30e3b9b6b199095aa..4bed372d302abe0247c2be4fc0071de50689b089 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -734,11 +734,18 @@ public class WorldServer extends World implements GeneratorAccessSeed {
int k = MathHelper.floor(entity.locZ() / 16.0D);
if (!entity.inChunk || entity.chunkX != i || entity.chunkY != j || entity.chunkZ != k) {
+ // Paper start - remove entity if its in a chunk more correctly.
+ Chunk currentChunk = entity.getCurrentChunk();
+ if (currentChunk != null) {
+ currentChunk.removeEntity(entity);
+ }
+ // Paper end
+
if (entity.inChunk && this.isChunkLoaded(entity.chunkX, entity.chunkZ)) {
this.getChunkAt(entity.chunkX, entity.chunkZ).a(entity, entity.chunkY);
}
- if (!entity.cj() && !this.isChunkLoaded(i, k)) {
+ if (!entity.valid && !entity.cj() && !this.isChunkLoaded(i, k)) { // Paper - always load chunks to register valid entities location
if (entity.inChunk) {
WorldServer.LOGGER.warn("Entity {} left loaded chunk area", entity);
}
@@ -953,7 +960,7 @@ public class WorldServer extends World implements GeneratorAccessSeed {
return false;
}
// CraftBukkit end
- IChunkAccess ichunkaccess = this.getChunkAt(MathHelper.floor(entity.locX() / 16.0D), MathHelper.floor(entity.locZ() / 16.0D), ChunkStatus.FULL, entity.attachedToPlayer);
+ IChunkAccess ichunkaccess = this.getChunkAt(MathHelper.floor(entity.locX() / 16.0D), MathHelper.floor(entity.locZ() / 16.0D), ChunkStatus.FULL, true); // Paper - always load chunks for entity adds
if (!(ichunkaccess instanceof Chunk)) {
return false;