Added Inventory System

Inventory/GDScript/InventoryGD.gd

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+extends Resource
+class_name InventoryGD
+
+@export var size: int = 36
+@export var slots : Array[InventorySlotDataGD] = [] # Data regarding what's in each slot

Inventory/GDScript/InventoryGD.gd.uid

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+uid://dila5f4tuiun1

Inventory/GDScript/InventorySlotDataGD.gd

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+extends Resource
+class_name InventorySlotDataGD
+
+@export var item: ItemDataGD
+@export var count: int

Inventory/GDScript/InventorySlotDataGD.gd.uid

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+uid://mv6k4s5wf52h

Inventory/GDScript/InventorySlotGD.gd

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+extends Panel
+class_name InventorySlotGD
+
+@onready var icon_rect: TextureRect = $Icon
+@onready var count_label: Label = $CountLabel
+
+@export var slot_data : InventorySlotDataGD # Slot data as defined in the InventoryGD class
+@export var slot_index: int
+@export var main_inventory: InventoryGD
+
+# Refresh the current slot with the data of it's inventory slot
+func refresh():
+	if (slot_index < main_inventory.slots.size()):
+		slot_data = main_inventory.slots[slot_index]
+	
+	if slot_data == null:
+		icon_rect.texture = null
+		count_label.text = ""
+	else:
+		icon_rect.texture = slot_data.item.icon
+		count_label.text = str(slot_data.count) if slot_data.count > 1 else ""
+
+# Handle Item being dragged elsewhere	
+func _get_drag_data(at_position: Vector2) -> Variant:
+	if slot_data == null:
+		return null
+	
+	# Create a preview of the item being dragged	
+	var preview = TextureRect.new()
+	preview.texture = slot_data.item.icon
+	preview.custom_minimum_size = Vector2(32,32)
+	
+	set_drag_preview(preview)
+	
+	var data = { "from_slot": slot_index, "payload": slot_data }
+	
+	return data
+
+func _can_drop_data(at_position: Vector2, data: Variant) -> bool:
+	return typeof(data) == TYPE_DICTIONARY and data.has("from_slot")
+
+# Can we drop the item where we are?
+func _drop_data(_pos, data):
+	var from_index = data.from_slot
+	
+	# Swap the 2 indexes
+	var temp = main_inventory.slots[slot_index]
+	main_inventory.slots[slot_index] = main_inventory.slots[from_index]
+	main_inventory.slots[from_index] = temp
+	
+	# Call the refresh method for all objects that belong in the inventory_slots group
+	get_tree().call_group("inventory_slots", "refresh")
+
+func initialize_slot(index: int, inventory: InventoryGD):
+	slot_index = index
+	main_inventory = inventory
+	
+	if index < main_inventory.slots.size():
+		var inventory_slot = main_inventory.slots[slot_index]
+	
+		if inventory_slot != null :
+			slot_data = inventory_slot
+	
+	refresh()

Inventory/GDScript/InventorySlotGD.gd.uid

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+uid://b0uy0my40tjsv

Inventory/GDScript/ItemDataGD.gd

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+extends Resource
+class_name ItemDataGD
+
+@export var id: String
+@export var display_name: String
+@export var icon: Texture2D
+@export var max_stack: int = 64

Inventory/GDScript/ItemDataGD.gd.uid

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+uid://b8cygu5gimsgi