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Add "Safe Regen" Duplicate UUID resolver and make default

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After witnessing behavior of the regeneration logs, its clear that Vanilla
has had bugs with saving duplicate entities for a while....

Some entities are saved in multiple chunks, and now we are bringing those duplicates
out that use to never surface.

This mode will analyze if the entity appears to be a duplicate (near the other dupe uuid)
and delete the entity instead.

This should reduce regenerations to entities that are nowhere near each other, and
therefore more likely to be subject to real UUID collisions due to our
previous bug, and therefor should survive the chunk load.
This commit is contained in:
Aikar
2018-08-02 23:06:03 -04:00
parent 8930ecd00e
commit 4128c348c2
2 changed files with 23 additions and 8 deletions
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2
Spigot-Server-Patches/Add-some-Debug-to-Chunk-Entity-slices.patch
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@@ -9,7 +9,7 @@ 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 27b73acdee..be3ac2d940 100644
index ccb30d5bfd..94b294e87b 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -0,0 +0,0 @@ public class Chunk {