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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.
54 lines
3.3 KiB
Diff
54 lines
3.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Mon, 8 Jul 2019 00:13:36 -0700
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Subject: [PATCH] Use getChunkIfLoadedImmediately in places
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This prevents us from hitting chunk loads for chunks at or less-than
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ticket level 33 (yes getChunkIfLoaded will actually perform a chunk
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load in that case).
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diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
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index 9e4453878246a22e320a6f8eb7aa08cb17438faf..60590ee30d2ff3b94c796bae2d7e9d9bc145fc0d 100644
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--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
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+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
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@@ -225,7 +225,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
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public boolean hasEntityMoveEvent; // Paper - Add EntityMoveEvent
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public LevelChunk getChunkIfLoaded(int x, int z) {
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- return this.chunkSource.getChunk(x, z, false);
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+ return this.chunkSource.getChunkAtIfLoadedImmediately(x, z); // Paper - Use getChunkIfLoadedImmediately
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}
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@Override
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diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
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index 1bb7cc9462cab7fbd09b944662711ae5bc5cf950..48e60e5ce01942fa5d30e043012e888989046cee 100644
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--- a/src/main/java/net/minecraft/world/level/Level.java
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+++ b/src/main/java/net/minecraft/world/level/Level.java
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@@ -182,6 +182,13 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
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return (CraftServer) Bukkit.getServer();
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}
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+ // Paper start - Use getChunkIfLoadedImmediately
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+ @Override
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+ public boolean hasChunk(int chunkX, int chunkZ) {
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+ return this.getChunkIfLoaded(chunkX, chunkZ) != null;
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+ }
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+ // Paper end - Use getChunkIfLoadedImmediately
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+
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public abstract ResourceKey<LevelStem> getTypeKey();
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protected Level(WritableLevelData worlddatamutable, ResourceKey<Level> resourcekey, RegistryAccess iregistrycustom, Holder<DimensionType> holder, Supplier<ProfilerFiller> supplier, boolean flag, boolean flag1, long i, int j, org.bukkit.generator.ChunkGenerator gen, org.bukkit.generator.BiomeProvider biomeProvider, org.bukkit.World.Environment env, java.util.function.Function<org.spigotmc.SpigotWorldConfig, io.papermc.paper.configuration.WorldConfiguration> paperWorldConfigCreator) { // Paper - create paper world config
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diff --git a/src/main/java/net/minecraft/world/level/gameevent/GameEventDispatcher.java b/src/main/java/net/minecraft/world/level/gameevent/GameEventDispatcher.java
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index 0d5ae91a9b43df7b412968ab5faf5498c09169f9..37ae0f928440af5b2fdfe68ad6c9c54e8c95c82c 100644
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--- a/src/main/java/net/minecraft/world/level/gameevent/GameEventDispatcher.java
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+++ b/src/main/java/net/minecraft/world/level/gameevent/GameEventDispatcher.java
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@@ -55,7 +55,7 @@ public class GameEventDispatcher {
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for (int l1 = j; l1 <= i1; ++l1) {
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for (int i2 = l; i2 <= k1; ++i2) {
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- LevelChunk chunk = this.level.getChunkSource().getChunkNow(l1, i2);
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+ LevelChunk chunk = (LevelChunk) this.level.getChunkIfLoadedImmediately(l1, i2); // Paper - Use getChunkIfLoadedImmediately
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if (chunk != null) {
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for (int j2 = k; j2 <= j1; ++j2) {
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