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When a mob was about to load a chunk to try to spawn in, we did not increment the attempt counter, resulting in it being stuck in the mob spawn loop for a long time and hanging servers.
35 lines
2.4 KiB
Diff
35 lines
2.4 KiB
Diff
From c3d2e0dd50ede77e547a3559419b45217c93afcb Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Wed, 12 Sep 2018 21:12:57 -0400
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Subject: [PATCH] Prevent mob spawning from loading/generating chunks
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diff --git a/src/main/java/net/minecraft/server/SpawnerCreature.java b/src/main/java/net/minecraft/server/SpawnerCreature.java
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index 387570ed67..97ef41fe82 100644
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--- a/src/main/java/net/minecraft/server/SpawnerCreature.java
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+++ b/src/main/java/net/minecraft/server/SpawnerCreature.java
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@@ -129,9 +129,9 @@ public final class SpawnerCreature {
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int i2 = blockposition1.getX();
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int j2 = blockposition1.getY();
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int k2 = blockposition1.getZ();
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- IBlockData iblockdata = worldserver.getType(blockposition1);
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+ IBlockData iblockdata = worldserver.getTypeIfLoaded(blockposition1); // Paper - don't load chunks for mob spawn
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- if (!iblockdata.isOccluding()) {
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+ if (iblockdata != null && !iblockdata.isOccluding()) { // Paper - don't load chunks for mob spawn
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int l2 = 0;
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int i3 = 0;
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@@ -167,7 +167,7 @@ public final class SpawnerCreature {
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i4 = biomebase_biomemeta.c + worldserver.random.nextInt(1 + biomebase_biomemeta.d - biomebase_biomemeta.c);
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}
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- if (worldserver.a(enumcreaturetype, biomebase_biomemeta, (BlockPosition) blockposition_mutableblockposition)) {
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+ if (worldserver.isLoaded(blockposition_mutableblockposition) && worldserver.a(enumcreaturetype, biomebase_biomemeta, (BlockPosition) blockposition_mutableblockposition)) { // Paper - don't load chunks for mob spawn
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EntityPositionTypes.Surface entitypositiontypes_surface = EntityPositionTypes.a(biomebase_biomemeta.b);
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if (entitypositiontypes_surface != null && a(entitypositiontypes_surface, worldserver, blockposition_mutableblockposition, biomebase_biomemeta.b)) {
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EntityInsentient entityinsentient;
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--
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2.19.0
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