spigot/CraftBukkit-Patches/0009-Fix-Mob-Spawning-Relative-to-View-Distance.patch
2021-06-11 15:00:00 +10:00

68 lines
3.4 KiB
Diff

From 986b7bd53aee1a28617c4df059648da3b822ffc8 Mon Sep 17 00:00:00 2001
From: md_5 <md_5@live.com.au>
Date: Fri, 21 Jun 2013 17:29:54 +1000
Subject: [PATCH] Fix Mob Spawning Relative to View Distance
Changes the mob spawning algorithm to properly account for view distance and the range around players.
Needs better documentation.
diff --git a/src/main/java/net/minecraft/server/level/ChunkProviderServer.java b/src/main/java/net/minecraft/server/level/ChunkProviderServer.java
index d57a6b197..6e0d5e95e 100644
--- a/src/main/java/net/minecraft/server/level/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/server/level/ChunkProviderServer.java
@@ -435,7 +435,7 @@ public class ChunkProviderServer extends IChunkProvider {
if (this.level.a(chunkcoordintpair) && !this.chunkMap.isOutsideOfRange(chunkcoordintpair)) {
chunk.setInhabitedTime(chunk.getInhabitedTime() + j);
- if (flag1 && (this.spawnEnemies || this.spawnFriendlies) && this.level.getWorldBorder().isInBounds(chunkcoordintpair)) {
+ if (flag1 && (this.spawnEnemies || this.spawnFriendlies) && this.level.getWorldBorder().isInBounds(chunk.getPos()) && !this.chunkMap.isOutsideOfRange(chunkcoordintpair, true)) { // Spigot
SpawnerCreature.a(this.level, chunk, spawnercreature_d, this.spawnFriendlies, this.spawnEnemies, flag2);
}
diff --git a/src/main/java/net/minecraft/server/level/PlayerChunkMap.java b/src/main/java/net/minecraft/server/level/PlayerChunkMap.java
index 68333dcac..fc7e26802 100644
--- a/src/main/java/net/minecraft/server/level/PlayerChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/PlayerChunkMap.java
@@ -914,10 +914,21 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.e {
}
boolean isOutsideOfRange(ChunkCoordIntPair chunkcoordintpair) {
+ // Spigot start
+ return isOutsideOfRange(chunkcoordintpair, false);
+ }
+
+ boolean isOutsideOfRange(ChunkCoordIntPair chunkcoordintpair, boolean reducedRange) {
+ int chunkRange = level.spigotConfig.mobSpawnRange;
+ chunkRange = (chunkRange > level.spigotConfig.viewDistance) ? (byte) level.spigotConfig.viewDistance : chunkRange;
+ chunkRange = (chunkRange > 8) ? 8 : chunkRange;
+
+ double blockRange = (reducedRange) ? Math.pow(chunkRange << 4, 2) : 16384.0D;
+ // Spigot end
long i = chunkcoordintpair.pair();
return !this.distanceManager.d(i) ? true : this.playerMap.a(i).noneMatch((entityplayer) -> {
- return !entityplayer.isSpectator() && a(chunkcoordintpair, (Entity) entityplayer) < 16384.0D;
+ return !entityplayer.isSpectator() && a(chunkcoordintpair, (Entity) entityplayer) < blockRange; // Spigot
});
}
diff --git a/src/main/java/org/spigotmc/SpigotWorldConfig.java b/src/main/java/org/spigotmc/SpigotWorldConfig.java
index 8db1bc203..e780cc473 100644
--- a/src/main/java/org/spigotmc/SpigotWorldConfig.java
+++ b/src/main/java/org/spigotmc/SpigotWorldConfig.java
@@ -161,4 +161,11 @@ public class SpigotWorldConfig
viewDistance = Math.max( Math.min( viewDistance, 32 ), 3 );
log( "View Distance: " + viewDistance );
}
+
+ public byte mobSpawnRange;
+ private void mobSpawnRange()
+ {
+ mobSpawnRange = (byte) getInt( "mob-spawn-range", 6 );
+ log( "Mob Spawn Range: " + mobSpawnRange );
+ }
}
--
2.25.1