TowerDefense/Upgrades/TowerUpgrade.gd

extends Upgrade
class_name TowerUpgrade


enum TYPE {
	MAX_ENERGY,
	ENERGY_REGEN,
	ENERGY_COST,
	DAMAGE,
	AOE_INCREASE,
	COOLDOWN,
}


@export var type : TYPE


func upgrade(tower: Tower) -> bool:
	if not canUpgrade():
		return false

	match type:
		TYPE.MAX_ENERGY: upgradeProperty(tower, "max_energy")
		TYPE.ENERGY_REGEN: upgradeProperty(tower, "energy_regen")
		TYPE.ENERGY_COST: upgradeProperty(tower, "energy_cost")
		TYPE.DAMAGE: upgradeProperty(tower.projectileRessource, "damage")
		TYPE.AOE_INCREASE: upgradeProperty(tower.projectileRessource.damageArea, "radius")
		TYPE.COOLDOWN: upgradeProperty(tower, "action_cooldown")

	upgradeUpgrade()

	tower.changed.emit()
	return true