papermc/Spigot-Server-Patches/0295-Prevent-mob-spawning-from-loading-generating-chunks.patch
Aikar 36f34f01c0
Updated Upstream (Bukkit/CraftBukkit)
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
da9ef3c5 #496: Add methods to get/set ItemStacks in EquipmentSlots
3abebc9f #492: Let Tameable extend Animals rather than Entity
941111a0 #495: Expose ItemStack and hand used in PlayerShearEntityEvent
4fe19cae #494: InventoryView - Add missing Brewing FUEL_TIME

CraftBukkit Changes:
933e9094 #664: Add methods to get/set ItemStacks in EquipmentSlots
18722312 #662: Expose ItemStack and hand used in PlayerShearEntityEvent
2020-05-06 06:05:22 -04:00

32 lines
2.2 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
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 224443e03c9e55af2744eebd7e754e2a1b3fa296..fdac5bb3a2d4a73035e1d914979b87fc224b6b20 100644
--- a/src/main/java/net/minecraft/server/SpawnerCreature.java
+++ b/src/main/java/net/minecraft/server/SpawnerCreature.java
@@ -25,9 +25,9 @@ public final class SpawnerCreature {
int l = blockposition1.getZ();
if (k >= 1) {
- IBlockData iblockdata = chunk.getType(blockposition1);
+ IBlockData iblockdata = worldserver.getTypeIfLoadedAndInBounds(blockposition1); // Paper - don't load chunks for mob spawn
- if (!iblockdata.isOccluding(chunk, blockposition1)) {
+ if (iblockdata != null && !iblockdata.isOccluding(chunk, blockposition1)) { // Paper - don't load chunks for mob spawn
BlockPosition.MutableBlockPosition blockposition_mutableblockposition = new BlockPosition.MutableBlockPosition();
int i1 = 0;
@@ -55,7 +55,7 @@ public final class SpawnerCreature {
if (entityhuman != null) {
double d0 = entityhuman.g((double) f, (double) k, (double) f1);
- if (d0 > 576.0D && !blockposition.a((IPosition) (new Vec3D((double) f, (double) k, (double) f1)), 24.0D)) {
+ if (d0 > 576.0D && !blockposition.a((IPosition) (new Vec3D((double) f, (double) k, (double) f1)), 24.0D) && worldserver.isLoadedAndInBounds(blockposition_mutableblockposition)) { // Paper - don't load chunks for mob spawn
ChunkCoordIntPair chunkcoordintpair = new ChunkCoordIntPair(blockposition_mutableblockposition);
if (Objects.equals(chunkcoordintpair, chunk.getPos()) || worldserver.getChunkProvider().a(chunkcoordintpair)) {