2020-06-25 14:09:55 +00:00
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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/server/SpawnerCreature.java b/src/main/java/net/minecraft/server/SpawnerCreature.java
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2020-08-25 02:22:08 +00:00
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index eb637c32f7a4faa99d30596c273e62ebffe74f3b..2561ba9b9c02ccb59bd7284ddfe62889911d4220 100644
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2020-06-25 14:09:55 +00:00
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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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2020-08-25 02:22:08 +00:00
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@@ -143,9 +143,9 @@ public final class SpawnerCreature {
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2020-06-25 14:09:55 +00:00
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StructureManager structuremanager = worldserver.getStructureManager();
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ChunkGenerator chunkgenerator = worldserver.getChunkProvider().getChunkGenerator();
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int i = blockposition.getY();
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- IBlockData iblockdata = ichunkaccess.getType(blockposition);
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+ IBlockData iblockdata = worldserver.getTypeIfLoadedAndInBounds(blockposition); // Paper - don't load chunks for mob spawn
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- if (!iblockdata.isOccluding(ichunkaccess, blockposition)) {
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+ if (iblockdata != null && !iblockdata.isOccluding(ichunkaccess, blockposition)) { // Paper - don't load chunks for mob spawn
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BlockPosition.MutableBlockPosition blockposition_mutableblockposition = new BlockPosition.MutableBlockPosition();
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int j = 0;
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int k = 0;
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2020-08-25 02:22:08 +00:00
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@@ -174,7 +174,7 @@ public final class SpawnerCreature {
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2020-06-25 14:09:55 +00:00
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if (entityhuman != null) {
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2020-08-25 02:22:08 +00:00
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double d2 = entityhuman.h(d0, (double) i, d1);
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2020-06-25 14:09:55 +00:00
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- if (a(worldserver, ichunkaccess, blockposition_mutableblockposition, d2)) {
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+ if (a(worldserver, ichunkaccess, blockposition_mutableblockposition, d2) && worldserver.isLoadedAndInBounds(blockposition_mutableblockposition)) { // Paper - don't load chunks for mob spawn
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2020-08-25 02:22:08 +00:00
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if (biomesettingsmobs_c == null) {
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biomesettingsmobs_c = a(worldserver, structuremanager, chunkgenerator, enumcreaturetype, worldserver.random, (BlockPosition) blockposition_mutableblockposition);
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if (biomesettingsmobs_c == null) {
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