Código para gerenciar dialogos d personagens

Dialog

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

public struct DialogMessage
{
    public string name;
    public string message;

    public DialogMessage(string name, string message)
    {
        this.name = name;
        this.message = message;
    }
}

public class Dialog : MonoBehaviour 
{
    public Text nameText;
    public Text messageText;
    public float timeToWriteALetter = 0.01f;
    private string name;
    private string message;
    private List<DialogMessage> dialogs = new List<DialogMessage>();
    private DialogMessage currentDialog;
    private bool writing;
    private bool endMessage;
    private int indexOfLetter;
    private int indexOfMessage;

    public void Show(string name, string message)
    {
        Show(new DialogMessage(name, message));
    }

    public void Show(DialogMessage dialog)
    {
        this.currentDialog = dialog;
        this.name = currentDialog.name;
        this.message = string.Empty;
        this.writing = true;
        this.indexOfLetter = 0;
        this.endMessage = false;
        InvokeRepeating("Write", 0.0f, timeToWriteALetter);
    }

    public void Show(List<DialogMessage> dialogs)
    {
        this.dialogs = dialogs;
        DialogMessage dialog = this.dialogs[0];
        dialogs.RemoveAt(0);
        Show(dialog);
    }

    void WriteAll()
    {
        CancelInvoke("Write");
        message = currentDialog.message;
        writing = false;
        endMessage = true;
    }

    void Update()
    {
        if (writing)
        {
            if (Input.GetKeyDown(KeyCode.E))
                WriteAll();

            nameText.text = name;
            messageText.text = message;
        }

        if (endMessage)
        {
            if (Input.GetKeyDown(KeyCode.E))
            {
                if (dialogs.Count > 0)
                    Show(dialogs);
            }
        }
    }

    void Write()
    {
        if (indexOfLetter > currentDialog.message.Length - 1)
        {
            WriteAll();
            return;
        }

        message += currentDialog.message[indexOfLetter++];
    }
}