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 59dba562e17e9463c1e00dee4979b61a0f68643e..336ae7f1fc4bd045183c967f8e3bfb5a967a40a1 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