/// <summary>
/// Checks the transitions, swaps the current state if any return true.
/// Then updates the current state if we have one
/// </summary>
public void DoState(ref T obj)
{ //Don't do anything if we don't have a reference to the controller
if (EqualityComparer <T> .Default.Equals(obj, default))
{
return;
}
//Represents the start function
if (_current == null && _target != null)
{
_current = _target;
_current.State_Start(ref obj);
}
//Make sure we have a state we can call
if (_current != null)
{
//Do we need to make a global transition //Do we need to make a transition out of the current state
if (CheckTransitions(ref obj, ref globalTransitions, null) || CheckTransitions(ref obj, ref _current.transitions, _current.ignoreTransition))
{
//Swap the states
SwapStates(ref obj);
}
//Call update on our current state
_current.State_Update(ref obj);
}
}
/// <summary>
/// Swaps target state to current state
/// </summary>
/// <param name="obj">A reference to the object</param>
void SwapStates(ref T obj)
{ //Make sure we have a valid controller
if (EqualityComparer <T> .Default.Equals(obj, default) || _target == _current || _target == null)
{
return;
}
//Call end on our current state
_current.State_End(ref obj);
//Swap our states around
#if PREVIOUS_STATE_MACHINE
_previous = _current;
#endif
_current = _target;
_target = null;
//call state on our new state
_current.State_Start(ref obj);
}