SpawnTriangles.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using SFB;
using System.IO;
using UnityEngine.SceneManagement;

public class SpawnTriangles : MonoBehaviour
{
    public GameObject triangle;
    private AudioSource audioSource;
    private string songLocation;
    private string chartLocation;

    public GameObject pauseUi;

    public GameObject clearTriangle;

    public float[] timestamps;
    public int[] timestampDirections;

    public bool paused = false;

    public List<GameObject> orderTop = new List<GameObject>();
    public List<GameObject> orderRight = new List<GameObject>();
    public List<GameObject> orderDown = new List<GameObject>();
    public List<GameObject> orderLeft = new List<GameObject>();

    void Start()
    {
        audioSource = this.gameObject.AddComponent<AudioSource>();
        StartCoroutine(ReadLevelFile());
    }

    void Update()
    {
        if(Input.GetKeyDown(KeyCode.Q))
        {
            SceneManager.LoadScene("Charter");
        }

        if(Input.GetKeyDown(KeyCode.Escape))
        {
            SceneManager.LoadScene("MainMenu");
        }
        if(Input.GetKeyDown(KeyCode.R))
        {
            Restart();
        }
    }

    IEnumerator ReadLevelFile()
    {
        if(PlayerPrefs.GetInt("restart") != 1)
        {
            var extensions = new [] { new ExtensionFilter("Sound Files", "mp3", "wav" ) };
            var songPath = StandaloneFileBrowser.OpenFilePanel("Open File", "", extensions, true);
            songLocation = songPath[0];

            var extensions1 = new [] { new ExtensionFilter("Text Files", "txt") };
            var paths = StandaloneFileBrowser.OpenFilePanel("Open File", "", extensions1, true);
            chartLocation = paths[0];
        }
        else
        {
            songLocation = PlayerPrefs.GetString("songLocation");
            chartLocation = PlayerPrefs.GetString("chartLocation");
            PlayerPrefs.SetInt("restart", 0);
        }

        string[] lines = System.IO.File.ReadAllLines(chartLocation);
        List<float> tempTimestamps = new List<float>();
        List<int> tempTimestampDirections = new List<int>();

        foreach(string line in lines)
        {
            string[] lineSplit = line.Split(' ');
            tempTimestamps.Add(float.Parse(lineSplit[0]));
            tempTimestampDirections.Add(int.Parse(lineSplit[1]));
        }
        timestamps = tempTimestamps.ToArray();
        timestampDirections = tempTimestampDirections.ToArray();

        StartCoroutine(LoadSongCoroutine(songLocation));
        StartCoroutine(LoadChartMap());

        yield return null;
    }

    IEnumerator LoadSongCoroutine(string soundPath)
    {
        string url = string.Format("file://{0}", soundPath); 
        WWW www = new WWW(url);
        yield return www;
        audioSource.clip = www.GetAudioClip(false, false);
        audioSource.Play();
    }

    void RandomSpawn()
    {
        Vector2 pos = new Vector2();
        pos = new Vector2(Random.Range(9.19f, -9.38f), 5.3f);
        //float side = Mathf.Floor(Random.Range(1, 5));
        //if(side == 1) pos = new Vector2(Random.Range(9.19f, -9.38f), 5.3f);
        //else if(side == 2) pos = new Vector2(-9.8f, Random.Range(5.22f, -6.13f)); 
        //else if(side == 3) pos = new Vector2(Random.Range(-9.8f, 9.44f), -6.13f);
        //else if(side == 4) pos = new Vector2(9.44f, Random.Range(5.55f, -6.13f));
        Instantiate(triangle, pos, triangle.transform.rotation);
    }

    void SpawnAtPos(Vector3 pos, int key, int index)
    {
        GameObject triangleGO = Instantiate(triangle, pos, triangle.transform.rotation);
        triangleGO.name = key.ToString();
        if(timestampDirections[index].ToString() == "1")
        {
            orderTop.Add(triangleGO);
        }
        if(timestampDirections[index].ToString() == "2")
        {
            orderRight.Add(triangleGO);
        }
        if(timestampDirections[index].ToString() == "3")
        {
            orderDown.Add(triangleGO);
        }
        if(timestampDirections[index].ToString() == "4")
        {
            orderLeft.Add(triangleGO);
        }
    }
    Vector2 RandomSpawnVector()
    {
        Vector2 pos = new Vector2();
        pos = new Vector2(Random.Range(9.19f, -9.38f), 5.3f);
        //float side = Mathf.Floor(Random.Range(1, 5));
        //if(side == 1) pos = new Vector2(Random.Range(9.19f, -9.38f), 5.3f);
        //else if(side == 2) pos = new Vector2(-9.8f, Random.Range(5.22f, -6.13f)); 
        //else if(side == 3) pos = new Vector2(Random.Range(-9.8f, 9.44f), -6.13f);
        //else if(side == 4) pos = new Vector2(9.44f, Random.Range(5.55f, -6.13f));
        return pos;
    }
    GameObject SpawnClearTriangleAtPos(Vector2 pos)
    {
        return Instantiate(clearTriangle, pos, clearTriangle.transform.rotation);
    }

    IEnumerator LoadChartMap()
    {
        int index = 0;
        foreach(float time in timestamps)
        {
            Vector3 pos = GameObject.Find(timestampDirections[index].ToString()).transform.position;
            Vector3 closestTimestampPos = GameObject.Find(timestampDirections[index].ToString() + "D").transform.position;
            float Distance = Vector3.Distance(closestTimestampPos, pos);    
            float TimeBetweenObjects = Distance / 6;
            yield return new WaitUntil(() => audioSource.time >= time - TimeBetweenObjects);
            SpawnAtPos(pos, timestampDirections[index], index);
            index++;
        }
        yield return null;
    }

    public void Restart()
    {
        PlayerPrefs.SetInt("restart", 1);
        PlayerPrefs.SetString("songLocation", songLocation);
        PlayerPrefs.SetString("chartLocation", chartLocation);
        SceneManager.LoadScene("SampleScene");
    }

    public void Menu()
    {
        SceneManager.LoadScene("MainMenu");
    }

    public void Resume()
    {
        Time.timeScale = 1;
        audioSource.Play();
        pauseUi.SetActive(false);
        GameObject.Find("protect").GetComponent<SpriteRenderer>().color = Color.red;
        paused = false;
    }
}