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33 lines
2.2 KiB
Diff
33 lines
2.2 KiB
Diff
From 0000000000000000000000000000000000000000 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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also prevents if out of world border bounds
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diff --git a/src/main/java/net/minecraft/world/level/NaturalSpawner.java b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
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index f208239b69dbd8788b799d8b28e457017edef9d5..c3fa1e8077f0f6a1f533c644dda9cb29265129a6 100644
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--- a/src/main/java/net/minecraft/world/level/NaturalSpawner.java
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+++ b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
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@@ -188,9 +188,9 @@ public final class NaturalSpawner {
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StructureFeatureManager structuremanager = world.structureFeatureManager();
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ChunkGenerator chunkgenerator = world.getChunkSource().getGenerator();
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int i = pos.getY();
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- BlockState iblockdata = chunk.getBlockState(pos);
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+ BlockState iblockdata = world.getTypeIfLoadedAndInBounds(pos); // Paper - don't load chunks for mob spawn
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- if (!iblockdata.isRedstoneConductor(chunk, pos)) {
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+ if (iblockdata != null && !iblockdata.isRedstoneConductor(chunk, pos)) { // Paper - don't load chunks for mob spawn
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BlockPos.MutableBlockPos blockposition_mutableblockposition = new BlockPos.MutableBlockPos();
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int j = 0;
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int k = 0;
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@@ -219,7 +219,7 @@ public final class NaturalSpawner {
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if (entityhuman != null) {
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double d2 = entityhuman.distanceToSqr(d0, (double) i, d1);
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- if (NaturalSpawner.isRightDistanceToPlayerAndSpawnPoint(world, chunk, blockposition_mutableblockposition, d2)) {
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+ if (world.isLoadedAndInBounds(blockposition_mutableblockposition) && NaturalSpawner.isRightDistanceToPlayerAndSpawnPoint(world, chunk, blockposition_mutableblockposition, d2)) { // Paper - don't load chunks for mob spawn
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if (biomesettingsmobs_c == null) {
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Optional<MobSpawnSettings.SpawnerData> optional = NaturalSpawner.getRandomSpawnMobAt(world, structuremanager, chunkgenerator, group, world.random, (BlockPos) blockposition_mutableblockposition);
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