/// <summary>
/// Called when a unit is to enter/attack this tower.
/// See documenation for full explaination and metrics.
/// If unit is friendly, stationed units is increased.
/// Raises ChangedFaction and AttackedByUnit events.
/// </summary>
/// <param name="unit">Unit.</param>
public void UnitEntered(UnitBehavior unit)
{
if (unit.Faction == Faction)
{
// Friendly units are transfered to this towers group
unit.TransferGroup(stationedGroup);
unit.gameObject.SetActive(false);
}
else
{
// Hostile units damage this towers stationed unit group
int strength = FactionController.GetAttackStrengthForFaction(unit.Faction);
stationedGroup.Damage(strength);
// Change tower's faction if last unit was killed
if (stationedGroup.Empty)
{
TowerController.ConvertTowerToFaction(this, unit.Faction);
if (ChangedFaction != null)
{
ChangedFaction(Faction);
SetGraphic();
}
}
unit.ImpactKill();
if (AttackedByUnit != null)
{
AttackedByUnit(unit);
}
}
}