Stop switching items in hands

Author: tristan-f-r

src/main/kotlin/world/cepi/gooey/GooeyExtension.kt

@@ -3,6 +3,7 @@ package world.cepi.gooey
 import net.minestom.server.event.inventory.InventoryPreClickEvent
 import net.minestom.server.event.item.ItemDropEvent
 import net.minestom.server.event.player.PlayerSpawnEvent
+import net.minestom.server.event.player.PlayerSwapItemEvent
 import net.minestom.server.extensions.Extension;
 import world.cepi.kstom.event.listenOnly
 import world.cepi.kstom.util.log
@@ -23,6 +24,18 @@ class GooeyExtension : Extension() {
             }
         }
 
+        node.listenOnly<PlayerSwapItemEvent> {
+            if (InventoryManager.hasItem(mainHandItem)) {
+                isCancelled = true
+                return@listenOnly
+            }
+
+            if (InventoryManager.hasItem(offHandItem)) {
+                isCancelled = true
+                return@listenOnly
+            }
+        }
+
         node.listenOnly<ItemDropEvent> {
             if (InventoryManager.hasItem(itemStack)) {
                 isCancelled = true