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Paper/Spigot-Server-Patches/0369-Fix-issues-with-entity-loss-due-to-unloaded-chunks.patch
Shane Freeder abba3d113b
Updated Upstream (Bukkit/CraftBukkit/Spigot)
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:
bb813f6f SPIGOT-4605: Warn against hacking physics

CraftBukkit Changes:
2ced0233 Don't handle sync packets for kicked players
d5e96882 SPIGOT-4602: Cache reflection in decompile error workaround

Spigot Changes:
b0f4c22b SPIGOT-4605: Catch more physics problems
2019-02-03 15:34:04 +00:00

45 Zeilen
2.0 KiB
Diff

From 42df6398002eb3dd1fec24201046a74e1b49a08b 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/World.java b/src/main/java/net/minecraft/server/World.java
index 2819a9094..1b7d8bbee 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -1081,7 +1081,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
int i = MathHelper.floor(entity.locX / 16.0D);
int j = MathHelper.floor(entity.locZ / 16.0D);
- boolean flag = entity.attachedToPlayer;
+ boolean flag = true; // Paper - always load chunks for entity adds
// Paper start - Set origin location when the entity is being added to the world
if (entity.origin == null) {
@@ -1585,7 +1585,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
this.getChunkAt(entity.chunkX, entity.chunkZ).a(entity, entity.chunkY);
}
- if (!entity.bN() && !this.isChunkLoaded(i, k, true)) {
+ if (!entity.valid && !entity.bN() && !this.isChunkLoaded(i, k, true)) { // Paper - always load chunks to register valid entities location
entity.inChunk = false;
} else {
this.getChunkAt(i, k).a(entity);
--
2.20.1