From 16d624d217abbe74fa423441710d56e31ef68d3c Mon Sep 17 00:00:00 2001 From: Aikar Date: Wed, 12 Sep 2018 21:12:57 -0400 Subject: [PATCH] Prevent mob spawning from loading/generating chunks also prevents if out of world border bounds diff --git a/src/main/java/net/minecraft/server/SpawnerCreature.java b/src/main/java/net/minecraft/server/SpawnerCreature.java index bfbe4d3e3..e2bf17f44 100644 --- a/src/main/java/net/minecraft/server/SpawnerCreature.java +++ b/src/main/java/net/minecraft/server/SpawnerCreature.java @@ -129,9 +129,9 @@ public final class SpawnerCreature { int i2 = blockposition1.getX(); int j2 = blockposition1.getY(); int k2 = blockposition1.getZ(); - IBlockData iblockdata = worldserver.getType(blockposition1); + IBlockData iblockdata = worldserver.getTypeIfLoadedAndInBounds(blockposition1); // Paper - don't load chunks for mob spawn - if (!iblockdata.isOccluding()) { + if (iblockdata != null && !iblockdata.isOccluding()) { // Paper - don't load chunks for mob spawn int l2 = 0; int i3 = 0; @@ -171,7 +171,7 @@ public final class SpawnerCreature { i4 = biomebase_biomemeta.c + worldserver.random.nextInt(1 + biomebase_biomemeta.d - biomebase_biomemeta.c); } - if (worldserver.a(enumcreaturetype, biomebase_biomemeta, (BlockPosition) blockposition_mutableblockposition)) { + if (worldserver.isLoadedAndInBounds(blockposition_mutableblockposition) && worldserver.a(enumcreaturetype, biomebase_biomemeta, (BlockPosition) blockposition_mutableblockposition)) { // Paper - don't load chunks for mob spawn EntityPositionTypes.Surface entitypositiontypes_surface = EntityPositionTypes.a(biomebase_biomemeta.b); if (entitypositiontypes_surface != null && a(entitypositiontypes_surface, worldserver, blockposition_mutableblockposition, biomebase_biomemeta.b)) { EntityInsentient entityinsentient; -- 2.20.1