Add PlayerInventorySlotChangeEvent

paper-server/patches/sources/net/minecraft/world/inventory/AbstractContainerMenu.java.patch

@@ -28,10 +28,11 @@
  public abstract class AbstractContainerMenu {
  
      private static final Logger LOGGER = LogUtils.getLogger();
-@@ -67,6 +81,32 @@
+@@ -66,6 +80,32 @@
+     @Nullable
      private ContainerSynchronizer synchronizer;
      private boolean suppressRemoteUpdates;
- 
++
 +    // CraftBukkit start
 +    public boolean checkReachable = true;
 +    public abstract InventoryView getBukkitView();
@@ -57,10 +58,9 @@
 +        this.title = title;
 +    }
 +    // CraftBukkit end
-+
+ 
      protected AbstractContainerMenu(@Nullable MenuType<?> type, int syncId) {
          this.carried = ItemStack.EMPTY;
-         this.remoteSlots = NonNullList.create();
 @@ -192,6 +232,15 @@
  
      }
@@ -77,6 +77,15 @@
      public void removeSlotListener(ContainerListener listener) {
          this.containerListeners.remove(listener);
      }
+@@ -281,7 +330,7 @@
+             while (iterator.hasNext()) {
+                 ContainerListener icrafting = (ContainerListener) iterator.next();
+ 
+-                icrafting.slotChanged(this, slot, itemstack2);
++                icrafting.slotChanged(this, slot, itemstack1, itemstack2); // Paper - Add PlayerInventorySlotChangeEvent
+             }
+         }
+ 
 @@ -417,7 +466,7 @@
                  }
              } else if (this.quickcraftStatus == 2) {

paper-server/patches/sources/net/minecraft/world/inventory/ContainerListener.java.patch

@@ -0,0 +1,14 @@
+--- a/net/minecraft/world/inventory/ContainerListener.java
++++ b/net/minecraft/world/inventory/ContainerListener.java
+@@ -5,5 +5,11 @@
+ public interface ContainerListener {
+     void slotChanged(AbstractContainerMenu handler, int slotId, ItemStack stack);
+ 
++    // Paper start - Add PlayerInventorySlotChangeEvent
++    default void slotChanged(AbstractContainerMenu handler, int slotId, ItemStack oldStack, ItemStack stack) {
++        slotChanged(handler, slotId, stack);
++    }
++    // Paper end - Add PlayerInventorySlotChangeEvent
++
+     void dataChanged(AbstractContainerMenu handler, int property, int value);
+ }