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Paper-Old/Spigot-Server-Patches/0403-Only-count-Natural-Spawned-mobs-towards-natural-spaw.patch
2019-07-19 23:01:24 -05:00

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2.7 KiB
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From 75867964f818c34502a5eef6ef6d504166bc8721 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 24 Mar 2019 01:01:32 -0400
Subject: [PATCH] Only count Natural Spawned mobs towards natural spawn mob
limit
This resolves the super common complaint about mobs not spawning.
This was ultimately a flaw in the vanilla count algorithim that allows
spawners and other misc mobs to count against the mob limit, which are
not bounded, and can prevent the entire world from spawning new.
I believe Bukkits changes around persistence may of actually made it
worse than vanilla.
This should fully solve all of the issues around it so that only natural
influences natural spawns.
diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index 929f5c3031..ff520d9e86 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -509,6 +509,16 @@ public class PaperWorldConfig {
maxAutoSaveChunksPerTick = getInt("max-auto-save-chunks-per-tick", 24);
}
+ public boolean countAllMobsForSpawning = false;
+ private void countAllMobsForSpawning() {
+ countAllMobsForSpawning = getBoolean("count-all-mobs-for-spawning", false);
+ if (countAllMobsForSpawning) {
+ log("Counting all mobs for spawning. Mob farms may reduce natural spawns elsewhere in world.");
+ } else {
+ log("Using improved mob spawn limits (Only Natural Spawns impact spawn limits for more natural spawns)");
+ }
+ }
+
public boolean antiXray;
public boolean asynchronous;
public EngineMode engineMode;
diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index b7d536ff0e..9fb5af4717 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -864,6 +864,13 @@ public class WorldServer extends World {
EnumCreatureType enumcreaturetype = entity.getEntityType().e();
if (enumcreaturetype != EnumCreatureType.MISC && this.getChunkProvider().b(entity)) {
+ // Paper start - Only count natural spawns
+ if (!this.paperConfig.countAllMobsForSpawning &&
+ !(entity.spawnReason == CreatureSpawnEvent.SpawnReason.NATURAL ||
+ entity.spawnReason == CreatureSpawnEvent.SpawnReason.CHUNK_GEN)) {
+ continue;
+ }
+ // Paper end
object2intmap.mergeInt(enumcreaturetype, 1, Integer::sum);
}
}
--
2.22.0