public override FSMStates CheckTransitions()
{
if (controller.AttackTarget == null)
{
if (controller.AttackMoving)
{
controller.AttackMove(controller.AttackMoveDestination);
return(FSMStates.AttackMove);
}
return(FSMStates.Idle);
}
float distance = AttackableHelper.Distance(controller.ControlledUnit, controller.AttackTarget);
if (distance <= controller.ControlledUnit.AttackRange)
{
return(FSMStates.Attack);
}
else if (gm.IsInSightRange(controller.AttackTarget, controller.ControlledUnit.Faction))
{
return(FSMStates.Chase);
}
else //Shouldn't happen unless vision range is lower than attack range
{
if (controller.AttackMoving)
{
controller.AttackMove(controller.AttackMoveDestination);
return(FSMStates.AttackMove);
}
return(FSMStates.Idle);
}
}
public override void Update(GameTime gameTime)
{
controller.ControlledUnit.SetVelocity(Vector2.Zero);
if (controller.AttackTarget != null)
{
if (controller.AttackTarget.IsDead() || AttackableHelper.Distance(controller.AttackTarget, controller.ControlledUnit) > controller.ControlledUnit.AttackRange)
{
controller.AttackTarget = null;
return;
}
controller.ControlledUnit.Attack(controller.AttackTarget);
}
else
{
Attackable nearestTarget = controller.ControlledUnit.GetNearestTargetInAttackRange();
if (nearestTarget != null)
{
controller.AttackTarget = nearestTarget;
controller.ControlledUnit.Attack(controller.AttackTarget);
}
}
}