/// <summary>
/// Call this method when current state decide it need swith to different state,
/// For ex travel state after it find destination coordinates switch to navigation
/// state to actually start moving to destination
/// </summary>
/// <param name="Entity">Object this state interact with</param>
/// <param name="NewState">New State</param>
/// <param name="TrackPrevious">True if need track previous state
/// (i.e state that calling change)</param>
/// <param name="ExitPrevious">True if need exit previous
/// (i.e state that calling change)</param>
/// <returns>True if change accepted and false if not</returns>
protected bool CallChangeStateEvent(T Entity, State <T> NewState,
bool TrackPrevious, bool ExitPrevious)
{
if (HasChangeStateEventHookup)
{
ChangeStateRequest(this, ChangeStateEventArgs <T> .GetArgs(Entity,
NewState, TrackPrevious, ExitPrevious));
return(true);
}
return(false);
}
private void CurrentState_ChangeStateRequest(object sender, ChangeStateEventArgs <T> e)
{
//when the currently running state requests a change request (either the global or CurrentState).
// then pause currently running state and switch to the new one.
ChangeState(e.NewState, e.TrackPrevious, e.ExitPrevious);
}
