/// <summary>
/// Check if current target is the same as the given one.
/// </summary>
/// <returns>Whethet it is the same target.</returns>
/// <param name="target">Target to check against.</param>
public bool SameTarget(Attackable target)
{
return(_agg.Target && _agg.Target == target);
}
/// <summary>Start an auto attack.</summary>
private void AutoAttack(Attackable target)
{
// Start attacking
Debug.Log(sel.name + " Auto attacking " + target.sel.name);
_agg.Attack(target);
// Set AutoReturn destination if movable.
if (_mov)
{
if (_mov.Dest != null &&
_mov.Dest.Type == DestType.PlayerSet)
{
_returnPos = _mov.Dest.Position;
}
else
{
if (_returnPos == Vector3.zero)
{
_returnPos = _trans.position;
}
}
}
// Start AutoAttack chasing stream. Chase enemy while it is within
// autoChaseRange.
Transform tgtTrans = target.transform;
Destination dest = null;
Observable.EveryUpdate()
.TakeUntilDestroy(gameObject)
.TakeWhile(_ =>
this.SameTarget(target) &&
target.Alive &&
this.AutoAttackReachable(target)
)
.Do(_ => {
if (!_agg.WithinWeaponRange(target))
{
// Chase enemy
dest = this.AddAutoAttackDest(tgtTrans.position);
}
else if (_mov)
{
// Clear destination
_mov.Remove(DestType.AutoAtt);
_mov.Remove(DestType.AutoAttRetrun);
}
})
.DoOnCompleted(() => {
// Clear target
_agg.Release(target);
if (_mov)
{
// Cleat autoAttack destination
_mov.Remove(dest);
if (_mov.Dest == null &&
_returnPos != Vector3.zero &&
_returnPos != _trans.position)
{
// Add AutoReturn destination
this.AddReturnDest();
}
}
})
.Subscribe();
}
/// <summary>
/// Check whether a given target is within its weapon range.
/// </summary>
/// <param name="att">The attackable target.</param>
public bool WithinWeaponRange(Attackable target)
{
return(Vector3.Distance(
sel.trans.position, target.sel.trans.position
) < weapon.distance);
}
/// <summary>
/// View effects when attacking the specified target.
/// </summary>
/// <param name="target">Target attackable.</param>
public override void Attack(Attackable target)
{
transform.LookAt(target.transform.position);
}
//======================================================================
/// <summary>Set a new attacking target.</summary>
/// <param name="target">The new target.</param>
public void Attack(Attackable target)
{
enabled = true;
Target = target;
}
