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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.
33 lines
2.7 KiB
Diff
33 lines
2.7 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: Sat, 19 Feb 2022 20:15:41 -0800
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Subject: [PATCH] Option to have default CustomSpawners in custom worlds
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By default, only LevelStem's that specifically match the ResourceKey for
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OVERWORLD will have the 5 (currently) impls of CustomSpawner (for
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phantoms, wandering traders, etc.). This adds an option to instead of
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just looking at the LevelStem key, look at the DimensionType key which
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is one level below that. Defaults to off to keep vanilla behavior.
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diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
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index 1c1d111eba7b625bd36b95fbec83d8c5f8272b97..239b1616ddd4cb64a0565d0f8f3bef7bbaaf23c9 100644
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--- a/src/main/java/net/minecraft/server/MinecraftServer.java
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+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
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@@ -617,7 +617,15 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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this.commandStorage = new CommandStorage(worldpersistentdata);
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} else {
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ChunkProgressListener worldloadlistener = this.progressListenerFactory.create(11);
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- world = new ServerLevel(this, this.executor, worldSession, iworlddataserver, worldKey, worlddimension, worldloadlistener, flag, j, ImmutableList.of(), true, this.overworld().getRandomSequences(), org.bukkit.World.Environment.getEnvironment(dimension), gen, biomeProvider);
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+ // Paper start - option to use the dimension_type to check if spawners should be added. I imagine mojang will add some datapack-y way of managing this in the future.
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+ final List<CustomSpawner> spawners;
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+ if (io.papermc.paper.configuration.GlobalConfiguration.get().misc.useDimensionTypeForCustomSpawners && this.registryAccess().registryOrThrow(Registries.DIMENSION_TYPE).getResourceKey(worlddimension.type().value()).orElseThrow() == net.minecraft.world.level.dimension.BuiltinDimensionTypes.OVERWORLD) {
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+ spawners = list;
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+ } else {
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+ spawners = Collections.emptyList();
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+ }
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+ world = new ServerLevel(this, this.executor, worldSession, iworlddataserver, worldKey, worlddimension, worldloadlistener, flag, j, spawners, true, this.overworld().getRandomSequences(), org.bukkit.World.Environment.getEnvironment(dimension), gen, biomeProvider);
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+ // Paper end - option to use the dimension_type to check if spawners should be added
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}
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worlddata.setModdedInfo(this.getServerModName(), this.getModdedStatus().shouldReportAsModified());
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