protected virtual bool TransferAction(LBAction _other, LBActionTransitTypes _transit, LBActionTransitDirection _dir)
{
if (_dir == LBActionTransitDirection.In) // transition from _other to this (IN this)
{
if (!this.CanTransferAction(_other, _transit, LBActionTransitDirection.In))
{
return(false);
}
if (_other is LBTransitiveAction)
{
LBTransitiveAction other = (LBTransitiveAction)_other;
if (other.CanTransferAction(this, _transit, LBActionTransitDirection.Out))
{
other.Deactivate(this, _transit);
this.Activate(other, _transit);
return(true);
}
}
else
{
if (_other.CanDeactivateAction()) // here we are deactivating with an external call
{
_other.DeactivateAction();
this.Activate(_other, _transit);
return(true);
}
}
}
else // transition from this to _other (OUT of this)
{
if (!this.CanTransferAction(_other, _transit, LBActionTransitDirection.Out))
{
return(false);
}
if (_other is LBTransitiveAction)
{
LBTransitiveAction other = (LBTransitiveAction)_other;
if (other.CanTransferAction(this, _transit, LBActionTransitDirection.In))
{
other.Activate(this, _transit);
this.Deactivate(other, _transit);
return(true);
}
}
else
{
if (_other.CanActivateAction()) // here we are activating with an external call
{
_other.ActivateAction();
this.Deactivate(_other, _transit);
return(true);
}
}
}
return(false);
}
protected virtual bool CanTransferAction(LBAction _other, LBActionTransitTypes _transit, LBActionTransitDirection _dir)
{
if (_dir == LBActionTransitDirection.In)
{
if (!base.CanActivateAction(true)) // if we cannot activate
{
return(false);
}
}
else
{
if (!base.CanDeactivateAction(true)) // if we cannot deactivate
{
return(false);
}
}
if (_dir == LBActionTransitDirection.In) // trying to transit from _other to this (IN this)
{
if (!HasInputConn(_other)) // if we don't have this action connected (doesn't matter switch or interrupt)
{
return(false);
}
if (this.IsConditionalActivation) // if we need to check some conditions to activate
{
if (!this.CheckTransferConditions(_other, _transit, _dir))
{
return(false);
}
}
if (_other is LBTransitiveAction)
{
LBTransitiveAction other = (LBTransitiveAction)_other;
if (!other.HasOutputConn(this)) // if _other action is not connected to this
{
return(false);
}
if (other.ActionState == LBActionStates.Inactive || other.ActionState == LBActionStates.Disabled)
{
return(false);
}
if (other.IsConditionalDeactivation && other.CheckTransferConditions(this, _transit, LBActionTransitDirection.Out) || !other.IsConditionalDeactivation)
{
return(true);
}
}
else
{
if (_other.CanDeactivateAction())
{
return(true);
}
}
}
else // trying to transit from this to _other (OUT of this)
{
if (this.IsConditionalDeactivation) // if we need to check some conditions to deactvate
{
if (!this.CheckTransferConditions(_other, _transit, _dir))
{
return(false);
}
}
if (_other is LBTransitiveAction)
{
LBTransitiveAction other = (LBTransitiveAction)_other;
if (!other.HasInputConn(this)) // if _other action is not connected to this
{
return(false);
}
if (_transit == LBActionTransitTypes.Switch && !HasOutputConn(_other))
{
return(false);
}
if (other.IsConditionalActivation && other.CheckTransferConditions(this, _transit, LBActionTransitDirection.In) || !other.IsConditionalActivation)
{
return(true);
}
}
else
{
if (_transit == LBActionTransitTypes.Switch)
{
if (!CanSwitch(_other))
{
return(false);
}
if (_other.CanActivateAction())
{
return(true);
}
}
}
}
return(false);
}