fix #107: resolve syntax and logical errors in scene reference causing scene completion to not register

src/logic-scenes/card_picker/card_picker.gd

@@ -230,6 +230,8 @@ func pick_cards(id: int, repeat: bool):
 		selection_state = CARDS
 	else:
 		Scenes.end_current_sequence()
+		#FIXME this workaround should be included in the Scene Manager.
+		get_parent().get_parent().get_parent().dnd = false
 
 func play_scene(_id, _repeat):
 	pass

src/logic-scenes/collectable/collectable_ui.gd

@@ -43,6 +43,7 @@ class_name Collectable_Ui
 			has_stage = false
 			get_viewport().gui_release_focus()
 		
+# FIXME needs to be outsourced to scene reference state
 @export var collected: bool = false:
 	set(set_collected):
 		collected = set_collected

src/singletons/scene_reference.gd

@@ -2,6 +2,7 @@ extends Node
 
 var sequence_actors:Array[Array] = []
 var started_sequences: int = 0
+var completed_sequences: int = 2
 var current_sequence: int = -1
 var current_sequence_index: int = 0
 
@@ -32,7 +33,7 @@ func start_sequence(index: id):
 	if State.pass_stage_to(sequence_actors[index][0].get_object()):
 		sequence_actors[index][0].call(index)
 		current_sequence = index
-		started_sequences &= 1 << index
+		started_sequences = started_sequences | (1 << index)
 		scene_starting.emit(current_sequence, is_sequence_repeating(index))
 	else:
 		push_error("Sequence could not be started.")
@@ -57,9 +58,10 @@ func continue_sequence(former_actor: Object):
 		scene_continuing.emit(current_sequence, current_sequence_index, is_sequence_repeating(current_sequence))
 	
 func end_current_sequence():
-	current_sequence = -1
-	current_sequence_index = 0
 	State.leave_stage(State.stage_list[0])
 	scene_finished.emit(current_sequence, is_sequence_repeating(current_sequence))
+	completed_sequences = completed_sequences | (1 << current_sequence)
+	current_sequence = -1
+	current_sequence_index = 0
 
-func is_sequence_repeating(index: int) -> bool: return started_sequences && 1 << index > 0
+func is_sequence_repeating(index: int) -> bool: return completed_sequences & (1 << index) > 0