init

scripts/upgrades/fuel_capacity_upgrade.gd

@@ -0,0 +1,19 @@
+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