PaperMC/Spigot-Server-Patches/0197-PlayerNaturallySpawnCreaturesEvent.patch
Spottedleaf 5a44b38dc5 Resolve TODO on PlayerNaturallySpawnCreaturesEvent
- Add missing isCancelled check

We don't need to worry about going out of range of int
since the value is clamped to view distance, and view
distance is clamped to 33
2019-05-12 23:57:49 -04:00

38 lines
2 KiB
Diff

From 19b85fdd78fce59a1e4c21342c6941a6c36df28c Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 14 Jan 2018 17:36:02 -0500
Subject: [PATCH] PlayerNaturallySpawnCreaturesEvent
This event can be used for when you want to exclude a certain player
from triggering monster spawns on a server.
Also a highly more effecient way to blanket block spawns in a world
diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
index 8e40027ac..e44570c60 100644
--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
@@ -675,12 +675,17 @@ public class PlayerChunkMap extends IChunkLoader implements PlayerChunk.d {
int chunkRange = world.spigotConfig.mobSpawnRange;
chunkRange = (chunkRange > world.spigotConfig.viewDistance) ? (byte) world.spigotConfig.viewDistance : chunkRange;
chunkRange = (chunkRange > 8) ? 8 : chunkRange;
-
- double blockRange = Math.pow(chunkRange << 4, 2);
+ final int finalChunkRange = chunkRange; // Paper for lambda below
+ //double blockRange = Math.pow(chunkRange << 4, 2); // Paper - use the range from the event
// Spigot end
return this.y.a(chunkcoordintpair.pair()).noneMatch((entityplayer) -> {
- return !entityplayer.isSpectator() && a(chunkcoordintpair, (Entity) entityplayer) < blockRange; // Spigot
+ // Paper start -
+ com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent event
+ = new com.destroystokyo.paper.event.entity.PlayerNaturallySpawnCreaturesEvent(entityplayer.getBukkitEntity(), (byte)finalChunkRange);
+ final double blockRange = (double)((event.getSpawnRadius() << 4) * (event.getSpawnRadius() << 4));
+ return event.isCancelled() || (!entityplayer.isSpectator() && a(chunkcoordintpair, (Entity) entityplayer) < blockRange); // Spigot
+ // Paper end
});
}
--
2.21.0