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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.
58 lines
4.4 KiB
Diff
58 lines
4.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Nassim Jahnke <nassim@njahnke.dev>
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Date: Fri, 4 Mar 2022 20:35:19 +0100
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Subject: [PATCH] Fix falling block spawn methods
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Restores the API behavior from previous versions of the server
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- Do not call API events
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- Do not replace the existing block in the world
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== AT ==
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public net.minecraft.world.entity.item.FallingBlockEntity <init>(Lnet/minecraft/world/level/Level;DDDLnet/minecraft/world/level/block/state/BlockState;)V
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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index 7bb43181e4de4cf3a3944aea88c45e54e476433c..97ebf2e2e08469cacc66c4f38bd2edfc2107fe6a 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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@@ -1394,7 +1394,12 @@ public class CraftWorld extends CraftRegionAccessor implements World {
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Preconditions.checkArgument(material != null, "Material cannot be null");
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Preconditions.checkArgument(material.isBlock(), "Material.%s must be a block", material);
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- FallingBlockEntity entity = FallingBlockEntity.fall(this.world, BlockPos.containing(location.getX(), location.getY(), location.getZ()), CraftBlockType.bukkitToMinecraft(material).defaultBlockState(), SpawnReason.CUSTOM);
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+ // Paper start - restore API behavior for spawning falling blocks
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+ FallingBlockEntity entity = new FallingBlockEntity(this.world, location.getX(), location.getY(), location.getZ(), CraftBlockType.bukkitToMinecraft(material).defaultBlockState()); // Paper
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+ entity.time = 1;
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+
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+ this.world.addFreshEntity(entity, SpawnReason.CUSTOM);
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+ // Paper end - restore API behavior for spawning falling blocks
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return (FallingBlock) entity.getBukkitEntity();
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}
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@@ -1403,7 +1408,12 @@ public class CraftWorld extends CraftRegionAccessor implements World {
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Preconditions.checkArgument(location != null, "Location cannot be null");
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Preconditions.checkArgument(data != null, "BlockData cannot be null");
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- FallingBlockEntity entity = FallingBlockEntity.fall(this.world, BlockPos.containing(location.getX(), location.getY(), location.getZ()), ((CraftBlockData) data).getState(), SpawnReason.CUSTOM);
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+ // Paper start - restore API behavior for spawning falling blocks
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+ FallingBlockEntity entity = new FallingBlockEntity(this.world, location.getX(), location.getY(), location.getZ(), ((CraftBlockData) data).getState());
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+ entity.time = 1;
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+
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+ this.world.addFreshEntity(entity, SpawnReason.CUSTOM);
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+ // Paper end - restore API behavior for spawning falling blocks
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return (FallingBlock) entity.getBukkitEntity();
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntityTypes.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntityTypes.java
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index 0aa6cd6da72c4a48d8bb48adeccc2bb49939fabd..08316493785e0cf1f93f07dda8016ca5956216f8 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntityTypes.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntityTypes.java
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@@ -378,7 +378,7 @@ public final class CraftEntityTypes {
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register(new EntityTypeData<>(EntityType.PRIMED_TNT, TNTPrimed.class, CraftTNTPrimed::new, spawnData -> new PrimedTnt(spawnData.minecraftWorld(), spawnData.x(), spawnData.y(), spawnData.z(), null)));
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register(new EntityTypeData<>(EntityType.FALLING_BLOCK, FallingBlock.class, CraftFallingBlock::new, spawnData -> {
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BlockPos pos = BlockPos.containing(spawnData.x(), spawnData.y(), spawnData.z());
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- return FallingBlockEntity.fall(spawnData.minecraftWorld(), pos, spawnData.world().getBlockState(pos));
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+ return new FallingBlockEntity(spawnData.minecraftWorld(), spawnData.x(), spawnData.y(), spawnData.z(), spawnData.world().getBlockState(pos)); // Paper - create falling block entities correctly
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}));
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register(new EntityTypeData<>(EntityType.FIREWORK, Firework.class, CraftFirework::new, spawnData -> new FireworkRocketEntity(spawnData.minecraftWorld(), spawnData.x(), spawnData.y(), spawnData.z(), net.minecraft.world.item.ItemStack.EMPTY)));
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register(new EntityTypeData<>(EntityType.EVOKER_FANGS, EvokerFangs.class, CraftEvokerFangs::new, spawnData -> new net.minecraft.world.entity.projectile.EvokerFangs(spawnData.minecraftWorld(), spawnData.x(), spawnData.y(), spawnData.z(), (float) Math.toRadians(spawnData.yaw()), 0, null)));
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