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Allow enabling sand duping (#10191)

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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.
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Owen 2024-03-03 17:05:34 -05:00 • committed by GitHub
parent b21eb4d9a4
commit 89d51d5f29
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GPG key ID: B5690EEEBB952194
673 changed files with 157 additions and 189 deletions
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patches/server/0624-Add-isCollidable-methods-to-various-places.patch Normal file
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@ -0,0 +1,57 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Thu, 4 Nov 2021 11:50:40 -0700
Subject: [PATCH] Add isCollidable methods to various places
== AT ==
public net.minecraft.world.level.block.state.BlockBehaviour hasCollision
diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
index ce297420f695404356655b1df2847a32fb98ec59..068b3735b6c50a7a2053c7dc39856f728fb7218a 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java
@@ -457,6 +457,11 @@ public class CraftBlock implements Block {
public boolean isSolid() {
return this.getNMS().blocksMotion();
}
+
+ @Override
+ public boolean isCollidable() {
+ return getNMS().getBlock().hasCollision;
+ }
// Paper end
@Override
diff --git a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockState.java b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockState.java
index 928a301627134b49915b0ceaeabb7dc350605dc2..08716e757b2e100f7bc47a046f02db664d882aba 100644
--- a/src/main/java/org/bukkit/craftbukkit/block/CraftBlockState.java
+++ b/src/main/java/org/bukkit/craftbukkit/block/CraftBlockState.java
@@ -331,4 +331,11 @@ public class CraftBlockState implements BlockState {
public CraftBlockState copy() {
return new CraftBlockState(this);
}
+
+ // Paper start
+ @Override
+ public boolean isCollidable() {
+ return this.data.getBlock().hasCollision;
+ }
+ // Paper end
}
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
index efa904eac6e3c2995f5a03fca44340d083e73b77..609b103cb9af3b0554bf1116306874fe98c8534c 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
@@ -588,6 +588,12 @@ public final class CraftMagicNumbers implements UnsafeValues {
var supplier = net.minecraft.world.entity.ai.attributes.DefaultAttributes.getSupplier((net.minecraft.world.entity.EntityType<? extends net.minecraft.world.entity.LivingEntity>) net.minecraft.core.registries.BuiltInRegistries.ENTITY_TYPE.get(CraftNamespacedKey.toMinecraft(bukkitEntityKey)));
return new io.papermc.paper.attribute.UnmodifiableAttributeMap(supplier);
}
+
+ @Override
+ public boolean isCollidable(Material material) {
+ Preconditions.checkArgument(material.isBlock(), material + " is not a block");
+ return getBlock(material).hasCollision;
+ }
// Paper end
/**