Shitty Text Adventure Implementation

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class Game : MonoBehaviour
{
    //Current Dialog and display text
    public Text disTxt;
    public Dialog curDlg;

    void Start ()
    {
        updateDialog();
    }

    void Update (){
        //Gets input then sends to chooseOption.
        for (int i = 0; i < 12; i++) {
            if (Input.GetButtonDown ("b" + i)){chooseOption (i);}
        }
    }

    //Updates dialog text and options.
    void updateDialog(){
        disTxt.text = curDlg.dialogTxt + "\n\n";
        for (int opt = 0; opt < curDlg.options.Count; opt++) {
            disTxt.text += opt + 1 + ". " + curDlg.options [opt].optionTxt + "\n";
        }
    }

    //Changes active Dialog.
    void switchDialog(int i){
            if(curDlg.options.Count>i){
            curDlg = curDlg.options [i].optionDir;
        }
    }
}
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using System.Collections;
using System.Collections.Generic;
using UnityEngine;

[CreateAssetMenu(menuName = "txtAdv/dialog")]
public class Dialog : ScriptableObject {


    [TextArea] public string dialogTxt;
    public List<Option> options;

    [System.Serializable]
    public class Option
    {
        public string optionTxt;/*Option description*/
        public Dialog optionDir;/*Link to the next dialog*/
    }
}