Paper/Spigot-Server-Patches/0408-Do-less-work-if-we-have-a-custom-Bukkit-generator.patch

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From ab8fa425b78ec7d2d9ddf7fe697015e1e5ab82ac Mon Sep 17 00:00:00 2001
From: Paul Sauve <paul@burngames.net>
Date: Sun, 14 Jul 2019 21:05:03 -0500
Subject: [PATCH] Do less work if we have a custom Bukkit generator
If the Bukkit generator already has a spawn, use it immediately instead
of spending time generating one that we won't use
diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index 84c16e275..4497f6a60 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -663,12 +663,6 @@ public class WorldServer extends World {
} else if (this.worldData.getType() == WorldType.DEBUG_ALL_BLOCK_STATES) {
this.worldData.setSpawn(BlockPosition.ZERO.up());
} else {
- WorldChunkManager worldchunkmanager = this.chunkProvider.getChunkGenerator().getWorldChunkManager();
- List<BiomeBase> list = worldchunkmanager.a();
- Random random = new Random(this.getSeed());
- BlockPosition blockposition = worldchunkmanager.a(0, 0, 256, list, random);
- ChunkCoordIntPair chunkcoordintpair = blockposition == null ? new ChunkCoordIntPair(0, 0) : new ChunkCoordIntPair(blockposition);
-
// CraftBukkit start
if (this.generator != null) {
Random rand = new Random(this.getSeed());
@@ -685,6 +679,14 @@ public class WorldServer extends World {
}
// CraftBukkit end
+ // Paper start - this is useless if craftbukkit returns early
+ WorldChunkManager worldchunkmanager = this.chunkProvider.getChunkGenerator().getWorldChunkManager();
+ List<BiomeBase> list = worldchunkmanager.a();
+ Random random = new Random(this.getSeed());
+ BlockPosition blockposition = worldchunkmanager.a(0, 0, 256, list, random);
+ ChunkCoordIntPair chunkcoordintpair = blockposition == null ? new ChunkCoordIntPair(0, 0) : new ChunkCoordIntPair(blockposition);
+ // Paper end
+
if (blockposition == null) {
WorldServer.LOGGER.warn("Unable to find spawn biome");
}
--
2.23.0