extends Upgrade
class_name FuelCapacityUpgrade

@export var size_increase := 40

func _init(tier: int = 1):
	if tier < 5:
		unlocks.append(FuelCapacityUpgrade.new(tier + 1))
	self.tier = tier
	name = "Fuel Capacity Increase - Tier %s" % ['I','II','III','IV','V'][tier - 1]
	description = "Increases the maximum amount of fuel your rocket can hold"
	cost = {
		"fuel": (tier) * 20 - 5
	}

func activate_upgrade() -> bool:
	if not super(): return false
	DataHandler.game_data.fuel_max += size_increase
	return true