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Fix a concurrency issue with legacy structure data loading

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This code could get hit by many threads at once, causing multiple
chunk loads to convert legacy data, leading to all sorts of fun.

Additionally, go ahead and preload it async on world load.
This commit is contained in:
Aikar
2019-03-29 02:02:53 -04:00
parent 8f045357ae
commit 274fe387da
4 changed files with 36 additions and 12 deletions
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4
Spigot-Server-Patches/Entity-getEntitySpawnReason.patch
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@@ -10,7 +10,7 @@ persistenting Living Entity, SPAWNER for spawners,
or DEFAULT since data was not stored.
diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
index 51df075b4..53ae5d509 100644
index 7734712af..dce52ac0f 100644
--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
@@ -0,0 +0,0 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
@@ -98,7 +98,7 @@ index b1630137e..df416e3b5 100644
if (entity != null) {
UUID uuid = nbttagcompound1.a("Attach");
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 0624848cc..9faed9303 100644
index 5b4bce464..2d436feab 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -0,0 +0,0 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc