Track priority of quest objectives (i.e. "find disk 2" has higher priority than "install disk 4")

disk.gd

@@ -7,5 +7,5 @@ func _ready() -> void:
 
 func _on_picked_up() -> void:
 	%Player2D.give_disk(disk_num)
-	%Player2D.give_objective("disk%d" % disk_num, "Install data disk %d" % disk_num)
+	%Player2D.give_objective("disk%d" % disk_num, disk_num, "Install data disk %d" % disk_num)
 	print("Picked up disk ", disk_num)

objectives_label.gd

@@ -3,6 +3,6 @@ extends RichTextLabel
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(delta: float) -> void:
 	var new_text = "OBJECTIVES:\n"
-	for objective in %Player2D.objectives:
+	for objective in %Player2D.get_current_objectives():
-		new_text = new_text + %Player2D.objectives[objective] + "\n"
+		new_text = new_text + objective + "\n"
 	text = new_text

pharaoh.gd

@@ -36,4 +36,4 @@ func _on_interacted() -> void:
 	if (not wanted_disk) or %Player2D.has_disk(wanted_disk):
 		return
 
-	%Player2D.give_objective("disk%d" % wanted_disk, "Locate data disk %d" % wanted_disk)
+	%Player2D.give_objective("disk%d" % wanted_disk, wanted_disk, "Locate data disk %d" % wanted_disk)

player_2d.gd

@@ -52,14 +52,26 @@ func take_disk(disk_num) -> bool:
 func has_disk(disk_num: int) ->  bool:
 	return disk_num in data_disks
 
-func give_objective(id: String, description: String) -> void:
+func give_objective(id: String, priority: int, description: String) -> void:
-	objectives[id] = description
+	objectives[id] = {
+		"priority": priority,
+		"description": description,
+		"completed": false
+	}
 
 func has_objective(id: String) ->  bool:
-	return objectives.has(id)
+	return objectives.has(id) and not objectives[id].completed
+
+func get_current_objectives() -> Array[String]:
+	var current_objectives = objectives.values()
+	current_objectives.sort_custom(func(a, b): return a.priority < b.priority)
+	return current_objectives.filter(func(objective): return not objective.completed).map(func(objective): return objective.description)
 
 func complete_objective(id: String) -> bool:
-	return objectives.erase(id)
+	if not has_objective(id):
+		return false
+	objectives[id].completed = true
+	return true
 
 func on_teleport():
 	refresh_jump(1)