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Paper/Spigot-Server-Patches/0267-Prevent-Saving-Bad-entities-to-chunks.patch
Shane Freeder 0708fa363b
Updated Upstream (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

CraftBukkit Changes:
eb2e6578 SPIGOT-5116: Fix concurrent modification exception inside ChunkMapDistance
989f9b3d SPIGOT-4849: Fix server crash when accessing chunks during chunk load/unload/populate events
f554183c SPIGOT-5171: Don't fire PlayerTeleportEvent if not actually moving
2349feb8 SPIGOT-5163: Cancelling PlayerBucketFillEvent visually removes the targeted block

Spigot Changes:
9a643a6a Remove DataWatcher Locking
2019-07-16 23:09:32 +01:00

66 Zeilen
2.6 KiB
Diff

From d96de2dba63e8403fab3d6c2c30587a83723f6eb Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Thu, 26 Jul 2018 00:11:12 -0400
Subject: [PATCH] Prevent Saving Bad entities to chunks
See https://github.com/PaperMC/Paper/issues/1223
Minecraft is saving invalid entities to the chunk files.
Avoid saving bad data, and also make improvements to handle
loading these chunks. Any invalid entity will be instant killed,
so lets avoid adding it to the world...
This lets us be safer about the dupe UUID resolver too, as now
we can ignore instant killed entities and avoid risk of duplicating
an invalid entity.
This should reduce log occurrences of dupe uuid messages.
diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
index ad3ade3c5..cf3396508 100644
--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
@@ -319,6 +319,7 @@ public class ChunkRegionLoader {
nbttagcompound1.set("TileEntities", nbttaglist1);
NBTTagList nbttaglist2 = new NBTTagList();
+ java.util.List<Entity> toUpdate = new java.util.ArrayList<>(); // Paper
if (ichunkaccess.getChunkStatus().getType() == ChunkStatus.Type.LEVELCHUNK) {
Chunk chunk = (Chunk) ichunkaccess;
@@ -330,13 +331,29 @@ public class ChunkRegionLoader {
while (iterator1.hasNext()) {
Entity entity = (Entity) iterator1.next();
NBTTagCompound nbttagcompound3 = new NBTTagCompound();
-
+ // Paper start
+ if ((int)Math.floor(entity.locX) >> 4 != chunk.getPos().x || (int)Math.floor(entity.locZ) >> 4 != chunk.getPos().z) {
+ LogManager.getLogger().warn(entity + " is not in this chunk, skipping save. This a bug fix to a vanilla bug. Do not report this to PaperMC please.");
+ toUpdate.add(entity);
+ continue;
+ }
+ if (entity.dead) {
+ continue;
+ }
+ // Paper end
if (entity.d(nbttagcompound3)) {
chunk.d(true);
nbttaglist2.add(nbttagcompound3);
}
}
}
+
+ // Paper start - move entities to the correct chunk
+ for (Entity entity : toUpdate) {
+ worldserver.entityJoinedWorld(entity);
+ }
+ // Paper end
+
} else {
ProtoChunk protochunk = (ProtoChunk) ichunkaccess;
--
2.22.0