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Unintended side effects in recent versions, this patch has likely outlived its usefulness. Closes GH-452
60 lines
2.9 KiB
Diff
60 lines
2.9 KiB
Diff
From e6187234d2194ca23789522ec025538a4efdd172 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Thu, 14 Apr 2016 21:01:39 -0400
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Subject: [PATCH] Fix Bugs with Spigot Mob Spawn Logic
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Spigot drastically altered vanilla mob spawn logic and caused a few issues.
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1) Used only spawnable chunks vs entire world for entity counting, resulting in ignoring
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other entities in the world, and causing the world to go over its intended limit.
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Specially with servers using smaller mob spawn ranges than view distance, as well as affects spawning API
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2) Spigot was using 16x16 division instead of vanilla 17x17 division.
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This patch returns mob counting to use all loaded chunks, and 17x17 division.
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diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
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index 74ffa66..0ee8a13 100644
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--- a/src/main/java/net/minecraft/server/Chunk.java
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+++ b/src/main/java/net/minecraft/server/Chunk.java
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@@ -680,7 +680,7 @@ public class Chunk {
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i = this.entitySlices.length - 1;
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}
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- this.entitySlices[i].remove(entity);
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+ if (!this.entitySlices[i].remove(entity)) { return; } // Paper
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// Paper start - update counts
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if (entity instanceof EntityItem) {
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itemCounts[i]--;
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diff --git a/src/main/java/net/minecraft/server/SpawnerCreature.java b/src/main/java/net/minecraft/server/SpawnerCreature.java
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index ea0a145..689d664 100644
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--- a/src/main/java/net/minecraft/server/SpawnerCreature.java
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+++ b/src/main/java/net/minecraft/server/SpawnerCreature.java
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@@ -23,6 +23,15 @@ public final class SpawnerCreature {
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// Spigot start - get entity count only from chunks being processed in b
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private int getEntityCount(WorldServer server, Class oClass)
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{
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+ // Paper start - use entire world, not just active chunks. Spigot broke vanilla expectations.
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+ if (true) {
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+ return server
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+ .getChunkProviderServer()
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+ .chunks.values()
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+ .stream()
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+ .collect(java.util.stream.Collectors.summingInt(c -> c.entityCount.get(oClass)));
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+ }
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+ // Paper end
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int i = 0;
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Iterator<Long> it = this.b.iterator();
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while ( it.hasNext() )
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@@ -128,7 +137,7 @@ public final class SpawnerCreature {
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int l1 = limit * i / a; // CraftBukkit - use per-world limits
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*/ // Paper end
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- if ((mobcnt = getEntityCount(worldserver, enumcreaturetype.a())) <= limit * i / 256) {
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+ if ((mobcnt = getEntityCount(worldserver, enumcreaturetype.a())) <= limit * i / 289) { // Paper - use 17x17 like vanilla (a at top of file)
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BlockPosition.MutableBlockPosition blockposition_mutableblockposition = new BlockPosition.MutableBlockPosition();
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Iterator iterator1 = this.b.iterator();
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--
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2.9.3
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