public NewbieStepBase FindCertainStep(ENewbieStepType inStepType)
 {
     for (int i = 0; i < this._allSteps.Count; i++)
     {
         NewbieStepBase newbieStepBase = this._allSteps[i];
         if (newbieStepBase.IsStep(inStepType))
         {
             return(newbieStepBase);
         }
     }
     return(null);
 }