CreateAPlayerGUI:

using UnityEngine;
using System.Collections;

public class CreateAPlayerGUI : MonoBehaviour {

    public enum CreateAPlayerStates{
        WYBORKLASY,         //display all class types
        DODAWANIESTATOW,    //allocate stats where the players wants too
        KONCOWE             //add name and misc items gender
    }

    private DisplayCreatePlayerFunctions displayFunctions = new DisplayCreatePlayerFunctions();
    public static CreateAPlayerStates currentState;

    void Start () {
        currentState = CreateAPlayerStates.DODAWANIESTATOW;
    }

    void Update () {
        switch(currentState){
        case(CreateAPlayerStates.WYBORKLASY):
            break;
        case(CreateAPlayerStates.DODAWANIESTATOW):
            break;
        case(CreateAPlayerStates.KONCOWE):
            break;
        }

    }

    void onGUI(){
        displayFunctions.DisplayMainItems ();
        if (currentState == CreateAPlayerStates.WYBORKLASY) {
            //Displayer class selection function
            displayFunctions.DisplayClassSelections();
        }
        if (currentState == CreateAPlayerStates.DODAWANIESTATOW) {
            //Displayer class selection function
            displayFunctions.DisplayStatAllocation();
        }
        if (currentState == CreateAPlayerStates.KONCOWE) {
            //Displayer class selection function
            displayFunctions.DisplayFinalSetup();
        }
    }

}