// Public Functions
// Check if the tower can be upgraded
public void UpgradeTowerUI(TowerBehavior selectedTower)
{
if (player.GetCurrentAmountOfCurrency() >= selectedTower.GetTowerValue())
{
player.DecreaseCurrency(selectedTower.GetTowerValue());
selectedTower.UpgradeTower();
}
else
{
gameUI.UpdateUserMessage("Oh no! It looks you don't have enough money left. Damn capitalism!");
}
}
