Dialogue Manager

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

public class DialogueManager : MonoBehaviour {
    [SerializeField]
    DialogueParser parser;

    string dialogue, characterName;
    int lineNum;
    int pose;
    string location;
    int bg;

    public Text dialogueBox;
    public Text nameBox;
    public Text log;

    // Use this for initialization
    void Start () {
        dialogue = "";
        characterName = "";
        pose = 0;
        location = "N";
        lineNum = 0;
        bg = parser.GetBackground(0);

        dialogueBox.text = "";
        ShowDialogue ();

        lineNum++;
            }

    // Update is called once per frame
    void Update () {

        UpdateUI();
        parser.EndScene(lineNum);
    }

    public void PlayNovel()
    {
        if (!GameObject.Find("CheckPanel") && (!GameObject.Find("LogPanel")))
        {
//            if (Input.touchCount > 0 && Input.GetTouch(0).phase == TouchPhase.Ended ||
//      Input.GetMouseButtonDown(0))
//            {
                SetBackground();
                ShowDialogue();
                lineNum++;
//            }
        }
    }

    public void SetBackground()
    {
        bg = parser.GetBackground(lineNum);
        GameObject Background = GameObject.Find("background");
        SpriteRenderer currSprite = Background.GetComponent<SpriteRenderer>();
        currSprite.sprite = Background.GetComponent<BgController>().background[bg];

    }

    public void ShowDialogue()
    {

        if (parser.GetLocation(lineNum) != "C" && parser.GetLocation(lineNum) != "N")
        {
            ResetImages();
        }

        ParserLine();

    }


    void ResetImages()
    {
        if (characterName != "" && parser.GetName(lineNum) == "Player")
        {
            GameObject character = GameObject.Find(characterName);
            SpriteRenderer currSprite = character.GetComponent<SpriteRenderer>();
            currSprite.sprite = null;
        }
    }

    void ParserLine()
    {
        if (parser.GetName(lineNum) != "Player" && parser.GetName(lineNum) != "Narration")
        {
            characterName = parser.GetName(lineNum);
            dialogue = parser.GetContent(lineNum);
            pose = parser.GetPose(lineNum);
            location = parser.GetLocation(lineNum);
            DisplayImages();
            log.text += characterName + ":" + dialogue + "\n\n";
        }
        else if (parser.GetName(lineNum) == "Player")
        {
            GameObject player = GameObject.Find ("Player");
            characterName = player.GetComponent<PlayerData> ().PlayerName ();
            dialogue = parser.GetContent(lineNum);
            pose = 0;
            log.text += characterName + ":" + dialogue + "\n\n";
        }
        else if(parser.GetName(lineNum) == "Narration")
        {
            characterName = "";
            dialogue = parser.GetContent(lineNum);
            pose = 0;
            log.text += dialogue + "\n\n";
        }


        if (!parser.IsEnd(lineNum))
        {
            StartCoroutine(TypeText());
            dialogueBox.text = "";
        }

    }


    void DisplayImages()
    {
        if (characterName != null && parser.GetName(lineNum) == "Player")
        {
            GameObject character = GameObject.Find(characterName);

            SetSpritePositions(character);

            SpriteRenderer currSprite = character.GetComponent<SpriteRenderer>();
            currSprite.sprite = character.GetComponent<Character>().CharacterPoses[pose];
        }
    }


    void SetSpritePositions(GameObject spriteObj)
    {
        if (location == "L")
        {
            spriteObj.transform.position = new Vector3(-6, 0);
        }
        else if (location == "R")
        {
            spriteObj.transform.position = new Vector3(6, 0);
        }
        else if (location == "C")
        {
            spriteObj.transform.position = new Vector3(0, 0);
        }

            spriteObj.transform.position = new Vector3 (spriteObj.transform.
            position.x, spriteObj.transform.position.y, 0);
    }

    void UpdateUI()
    {
        nameBox.text = characterName;
    }

    IEnumerator TypeText()
    {
            foreach (char letter in dialogue.ToCharArray())
            {
                dialogueBox.text += letter;
                yield return 0;

                if (Input.touchCount > 0 && Input.GetTouch(0).phase == TouchPhase.Ended ||
    Input.GetMouseButtonDown(0))
                {
                    yield break;

                }
            }
    }

}