basic inventory system ready

inv_system/inventory.gd

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+extends PanelContainer
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	if Input.get_current_cursor_shape() == CURSOR_FORBIDDEN:
+		DisplayServer.cursor_set_shape(DisplayServer.CURSOR_ARROW)
+
+var data_bk
+func _notification(what: int) -> void:
+	if what == Node.NOTIFICATION_DRAG_BEGIN:
+		data_bk = get_viewport().gui_get_drag_data()
+	if what == Node.NOTIFICATION_DRAG_END:
+		if not is_drag_successful():
+			if data_bk:
+				data_bk.icon.show()
+				data_bk = null

inv_system/inventory.gd.uid

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+uid://c6oycdae5wvjf

inv_system/item_data.gd

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+extends Resource
+class_name ItemData
+
+@export var item_name : String
+@export var icon : Texture2D

inv_system/item_data.gd.uid

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+uid://dccraom7a7e8d

inv_system/item_slot.gd

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+extends Panel
+
+@export var icon : TextureRect
+@export var item: ItemData
+
+func _ready() -> void:
+	update_ui()
+
+func update_ui():
+	if not item:
+		icon.texture = null
+		return
+		
+	icon.texture = item.icon
+	tooltip_text = item.item_name
+
+func _get_drag_data(at_position: Vector2) -> Variant:
+	if not item:
+		return
+	
+	var preview = duplicate()
+	var c = Control.new()
+	c.add_child(preview)
+	preview.position -= Vector2(32,32)
+	preview.self_modulate = Color.TRANSPARENT
+	c.modulate = Color(c.modulate,0.5)
+	set_drag_preview(c)
+	icon.hide()
+	return self
+
+func _can_drop_data(at_position: Vector2, data: Variant) -> bool:
+	return true
+
+func _drop_data(at_position: Vector2, data: Variant) -> void:
+	var temp = item
+	item = data.item
+	data.item = temp
+	icon.show()
+	data.icon.show()
+	update_ui()
+	data.update_ui()

inv_system/item_slot.gd.uid

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+uid://cpd04flfh5nlc