extends Upgrade
class_name StandardEngineUpgrade

var module: StandardEngineModule

func _init(tier: int = 1, module: StandardEngineModule = null):
	if module == null:
		self.module = StandardEngineModule.new()
	else:
		self.module = module
	if tier < 5:
		unlocks.append(StandardEngineUpgrade.new(tier + 1))
	self.tier = tier
	name = "Standard Engine Tier %s" % ['I','II','III','IV','V'][tier - 1]
	description = "Standard Engine with no specialties, all around engine"
	cost = {
		"star": (tier - 1) * 10
	}
	
func activate_upgrade() -> bool:
	if not super(): return false
	if tier == 1:
		DataHandler.add_module(GameData.ModuleType.ENGINE, module)
	module.tier = tier
	return true