Merge pull request #498 from pylonmc/vaan/fix/stonecutter-pylon-items

Stonecutter fix

Author: LordIdra

pylon-core/src/main/kotlin/io/github/pylonmc/pylon/core/recipe/RecipeListener.kt

@@ -19,10 +19,12 @@ import org.bukkit.event.Listener
 import org.bukkit.event.block.BlockCookEvent
 import org.bukkit.event.block.CrafterCraftEvent
 import org.bukkit.event.inventory.FurnaceBurnEvent
+import org.bukkit.event.inventory.InventoryClickEvent
 import org.bukkit.event.inventory.PrepareAnvilEvent
 import org.bukkit.event.inventory.PrepareItemCraftEvent
 import org.bukkit.event.inventory.PrepareSmithingEvent
 import org.bukkit.inventory.ItemStack
+import org.bukkit.inventory.StonecutterInventory
 
 internal object PylonRecipeListener : Listener {
 
@@ -103,6 +105,18 @@ internal object PylonRecipeListener : Listener {
         }
     }
 
+    @EventHandler(priority = EventPriority.LOWEST)
+    private fun itemInsertEvent(e: InventoryClickEvent) {
+        val inventory = e.inventory;
+        if (inventory is StonecutterInventory) {
+            val input = inventory.inputItem ?: return
+
+            if (input.isPylonAndIsNot<VanillaCraftingItem>()) {
+                e.isCancelled = true
+            }
+        }
+    }
+
     @EventHandler(priority = EventPriority.LOWEST)
     private fun onCook(e: BlockCookEvent) {
         if (PylonItem.fromStack(e.source) == null) return
@@ -183,4 +197,4 @@ internal object PylonRecipeListener : Listener {
             return
         }
     }
-}
+}