droppable items and win

scripts/droppable-items/DroppableItem.cs

@@ -0,0 +1,17 @@
+using Godot;
+
+
+[GlobalClass]
+public abstract partial class DroppableItem : Area2D
+{
+	[Signal] public delegate void PickedUpEventHandler();
+	public override void _InputEvent(Viewport viewport, InputEvent @event, int shapeIdx)
+	{
+		if (@event.IsActionPressed("primary_action"))
+		{
+			PickUp();
+		}
+	}
+	public abstract void PickUp();
+
+}