PaperMC/Spigot-Server-Patches/0114-Fix-Bugs-with-Spigot-Mob-Spawn-Logic.patch
Zach Brown 34731dd04e
Restructure lighting queue runnable handling
Instead of overriding add within the queue, never add runnables to the
queue if the light queue is disabled.

This change is made to make timings reports and stacktraces less
confusing for administrators, who prior to this change, would have seen
the lighting queue referenced in both, regardless of whether or not it
was enabled.

This change should not affect performance, nor is it made with the
intent to.
2017-12-22 15:25:01 -06:00

60 lines
2.9 KiB
Diff

From 36f81b84e0a48db88becd763857034391bce22d9 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Thu, 14 Apr 2016 21:01:39 -0400
Subject: [PATCH] Fix Bugs with Spigot Mob Spawn Logic
Spigot drastically altered vanilla mob spawn logic and caused a few issues.
1) Used only spawnable chunks vs entire world for entity counting, resulting in ignoring
other entities in the world, and causing the world to go over its intended limit.
Specially with servers using smaller mob spawn ranges than view distance, as well as affects spawning API
2) Spigot was using 16x16 division instead of vanilla 17x17 division.
This patch returns mob counting to use all loaded chunks, and 17x17 division.
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index 300a5619..ecc76a88 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -683,7 +683,7 @@ public class Chunk {
i = this.entitySlices.length - 1;
}
- this.entitySlices[i].remove(entity);
+ if (!this.entitySlices[i].remove(entity)) { return; } // Paper
// Paper start - update counts
if (entity instanceof EntityItem) {
itemCounts[i]--;
diff --git a/src/main/java/net/minecraft/server/SpawnerCreature.java b/src/main/java/net/minecraft/server/SpawnerCreature.java
index 45a83ae9..2cd06382 100644
--- a/src/main/java/net/minecraft/server/SpawnerCreature.java
+++ b/src/main/java/net/minecraft/server/SpawnerCreature.java
@@ -23,6 +23,15 @@ public final class SpawnerCreature {
// Spigot start - get entity count only from chunks being processed in b
private int getEntityCount(WorldServer server, Class oClass)
{
+ // Paper start - use entire world, not just active chunks. Spigot broke vanilla expectations.
+ if (true) {
+ return server
+ .getChunkProviderServer()
+ .chunks.values()
+ .stream()
+ .collect(java.util.stream.Collectors.summingInt(c -> c.entityCount.get(oClass)));
+ }
+ // Paper end
int i = 0;
Iterator<Long> it = this.b.iterator();
while ( it.hasNext() )
@@ -126,7 +135,7 @@ public final class SpawnerCreature {
int l1 = limit * i / a; // CraftBukkit - use per-world limits
*/ // Paper end
- if ((mobcnt = getEntityCount(worldserver, enumcreaturetype.a())) <= limit * i / 256) {
+ if ((mobcnt = getEntityCount(worldserver, enumcreaturetype.a())) <= limit * i / 289) { // Paper - use 17x17 like vanilla (a at top of file)
BlockPosition.MutableBlockPosition blockposition_mutableblockposition = new BlockPosition.MutableBlockPosition();
Iterator iterator1 = this.b.iterator();
--
2.15.1.windows.2