PaperMC/patches/server/0871-Fix-block-place-logic.patch
Owen 89d51d5f29
Allow enabling sand duping (#10191)
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.
2024-03-03 17:05:34 -05:00

68 lines
4.7 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Lulu13022002 <41980282+Lulu13022002@users.noreply.github.com>
Date: Mon, 3 Apr 2023 18:46:49 +0200
Subject: [PATCH] Fix block place logic
Fix several issues when a player interact with a block:
* the place sound isn't played for the dispensed shulker block
* desync of the jukebox blocks between bukkit handler and the vanilla interaction
* poi can desync when the BlockPhysicsEvent is cancelled
diff --git a/src/main/java/net/minecraft/world/item/BlockItem.java b/src/main/java/net/minecraft/world/item/BlockItem.java
index 1ac739c92031e80c35e1af4417e6358346079580..8c54b92b65b3d379e14a11370b09d45351ab22e1 100644
--- a/src/main/java/net/minecraft/world/item/BlockItem.java
+++ b/src/main/java/net/minecraft/world/item/BlockItem.java
@@ -130,7 +130,7 @@ public class BlockItem extends Item {
SoundType soundeffecttype = iblockdata1.getSoundType();
- // world.playSound(entityhuman, blockposition, this.getPlaceSound(iblockdata1), SoundCategory.BLOCKS, (soundeffecttype.getVolume() + 1.0F) / 2.0F, soundeffecttype.getPitch() * 0.8F);
+ if (entityhuman == null) world.playSound(entityhuman, blockposition, this.getPlaceSound(iblockdata1), net.minecraft.sounds.SoundSource.BLOCKS, (soundeffecttype.getVolume() + 1.0F) / 2.0F, soundeffecttype.getPitch() * 0.8F); // Paper - Fix block place logic; reintroduce this for the dispenser (i.e the shulker)
world.gameEvent(GameEvent.BLOCK_PLACE, blockposition, GameEvent.Context.of(entityhuman, iblockdata1));
if ((entityhuman == null || !entityhuman.getAbilities().instabuild) && itemstack != ItemStack.EMPTY) { // CraftBukkit
itemstack.shrink(1);
diff --git a/src/main/java/net/minecraft/world/item/ItemStack.java b/src/main/java/net/minecraft/world/item/ItemStack.java
index 59c4550b4cb8b0317f5256efc9376265f4583b60..964d6af9eb9752b9e08f712c80b67bd9410d1554 100644
--- a/src/main/java/net/minecraft/world/item/ItemStack.java
+++ b/src/main/java/net/minecraft/world/item/ItemStack.java
@@ -494,13 +494,7 @@ public final class ItemStack {
if (tileentity instanceof JukeboxBlockEntity) {
JukeboxBlockEntity tileentityjukebox = (JukeboxBlockEntity) tileentity;
- // There can only be one
- ItemStack record = this.copy();
- if (!record.isEmpty()) {
- record.setCount(1);
- }
-
- tileentityjukebox.setTheItem(record);
+ tileentityjukebox.setTheItem(this.copy()); // Paper - Fix block place logic; sync this with record item, jukebox has now an inventory
world.gameEvent(GameEvent.BLOCK_CHANGE, blockposition, GameEvent.Context.of(entityhuman, world.getBlockState(blockposition)));
}
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index 5fcdb88dd2aa8c8c57d57935d15ea92c1015670e..4fe0f8ba4a2b089f44808063e72dd994d6c73e0a 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -560,17 +560,18 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
// CraftBukkit start
iblockdata1.updateIndirectNeighbourShapes(this, blockposition, k, j - 1); // Don't call an event for the old block to limit event spam
CraftWorld world = ((ServerLevel) this).getWorld();
+ boolean cancelledUpdates = false; // Paper - Fix block place logic
if (world != null && ((ServerLevel)this).hasPhysicsEvent) { // Paper - BlockPhysicsEvent
BlockPhysicsEvent event = new BlockPhysicsEvent(world.getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ()), CraftBlockData.fromData(iblockdata));
this.getCraftServer().getPluginManager().callEvent(event);
- if (event.isCancelled()) {
- return;
- }
+ cancelledUpdates = event.isCancelled(); // Paper - Fix block place logic
}
// CraftBukkit end
+ if (!cancelledUpdates) { // Paper - Fix block place logic
iblockdata.updateNeighbourShapes(this, blockposition, k, j - 1);
iblockdata.updateIndirectNeighbourShapes(this, blockposition, k, j - 1);
+ } // Paper - Fix block place logic
}
// CraftBukkit start - SPIGOT-5710