Add collectable types and implement level unlocking mechanics; enhance player state management

scripts/components/score.gd

@@ -3,17 +3,18 @@ extends Node
 
 @onready var game_manager: GM = $"/root/GameManager"
 
+
 func _ready():
 	await get_tree().process_frame
 	var coins = get_tree().get_nodes_in_group("coins")
-	
+
 	for coin in coins:
 		coin.connect("collected", on_collected)
 
-func on_collected(amount: int) -> void:
+
+func on_collected(amount: int, type: CollectableResource.CollectableType) -> void:
 	if not game_manager:
 		return
-
+	if type != CollectableResource.CollectableType.COIN:
+		return
 	game_manager.add_coins(amount)
-	# todo: play sound
-	# todo: update ui