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89d51d5f29
Because this exploit has been widely known for years and has not been fixed by Mojang, we decided that it was worth allowing people to toggle it on/off due to how easy it is to make it configurable. It should be noted that this decision does not promise all future exploits will be configurable.
36 lines
2.4 KiB
Diff
36 lines
2.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jake Potrebic <jake.m.potrebic@gmail.com>
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Date: Fri, 18 Mar 2022 21:30:00 -0700
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Subject: [PATCH] Fix async entity add due to fungus trees
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diff --git a/src/main/java/net/minecraft/server/level/WorldGenRegion.java b/src/main/java/net/minecraft/server/level/WorldGenRegion.java
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index ff94af5be8de374f5cde2607eebbb23e65705581..209596e89307b9e1d0ff4c465876d29fef4fc290 100644
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--- a/src/main/java/net/minecraft/server/level/WorldGenRegion.java
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+++ b/src/main/java/net/minecraft/server/level/WorldGenRegion.java
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@@ -228,6 +228,7 @@ public class WorldGenRegion implements WorldGenLevel {
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if (iblockdata.isAir()) {
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return false;
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} else {
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+ if (drop) LOGGER.warn("Potential async entity add during worldgen", new Throwable()); // Paper - Fix async entity add due to fungus trees; log when this happens
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if (false) { // CraftBukkit - SPIGOT-6833: Do not drop during world generation
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BlockEntity tileentity = iblockdata.hasBlockEntity() ? this.getBlockEntity(pos) : null;
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java b/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java
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index 5680e9772a2d90e997d2d0aacdda9eddb7edef56..7c7dbd030ada8d2fab494b6a125664ddc3955639 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftRegionAccessor.java
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@@ -257,10 +257,10 @@ public abstract class CraftRegionAccessor implements RegionAccessor {
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((ChorusFlowerBlock) Blocks.CHORUS_FLOWER).generatePlant(access, pos, random, 8);
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return true;
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case CRIMSON_FUNGUS:
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- gen = TreeFeatures.CRIMSON_FUNGUS_PLANTED;
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+ gen = this.isNormalWorld() ? TreeFeatures.CRIMSON_FUNGUS_PLANTED : TreeFeatures.CRIMSON_FUNGUS; // Paper - Fix async entity add due to fungus trees; if world gen, don't use planted version
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break;
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case WARPED_FUNGUS:
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- gen = TreeFeatures.WARPED_FUNGUS_PLANTED;
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+ gen = this.isNormalWorld() ? TreeFeatures.WARPED_FUNGUS_PLANTED : TreeFeatures.WARPED_FUNGUS; // Paper - Fix async entity add due to fungus trees; if world gen, don't use planted version
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break;
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case AZALEA:
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gen = TreeFeatures.AZALEA_TREE;
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