Inventory Grid Setup
refresh function to redraw the inventory.Item Management
Widget Creation
Event Dispatchers
Testing and Debugging
refresh function is crucial for updating the inventory display whenever items are added or removed.refresh are called not just during initialization but also during any changes to the inventory.get all items and create widget) makes the code easier to maintain and debug.This part of the tutorial sets a solid foundation for the spatial inventory system, preparing for future enhancements like drag-and-drop functionality and item rotation.