private IEnumerator request_user_image(string login, fetch_twitch_user_image_callback callback)
{
string url = _twitch_user_cache[login].profile_image_url;
UnityWebRequest texture_request = UnityWebRequestTexture.GetTexture(url);
texture_request.SetRequestHeader("Client-ID", "nm92v8wkvmrhulyqrhfct9vljid72k");
yield return(texture_request.SendWebRequest());
if (texture_request.isNetworkError || texture_request.isHttpError)
{
Debug.Log(texture_request.error);
}
else
{
Texture2D texture = ((DownloadHandlerTexture)texture_request.downloadHandler).texture;
_twitch_user_image_cache[login] = Sprite.Create(texture, new Rect(0, 0, texture.width, texture.height), new Vector2(.5f, .5f));
callback(_twitch_user_image_cache[login]);
// Store the file locally
byte[] img = texture.EncodeToPNG();
string path = Application.persistentDataPath + "/runners/" + login + "/runner_thumb.png";
Directory.CreateDirectory(Path.GetDirectoryName(path));
File.WriteAllBytes(path, img);
}
}
public void fetch_runner_image(string login, fetch_twitch_user_image_callback callback)
{
if (_twitch_user_image_cache.ContainsKey(login))
{
Debug.Log("Runner Thumb[" + login + "]: image in cache, return it...");
callback(_twitch_user_image_cache[login]);
}
else if (_twitch_user_cache.ContainsKey(login))
{
Debug.Log("Runner Thumb[" + login + "]: not in image cache, check on disk...");
string path = Application.persistentDataPath + "/runners/" + login + "/runner_thumb.png";
if (File.Exists(path))
{
Debug.Log("Runner Thumb[" + login + "]: On disk, load it and cache it for reuse!");
byte [] data = File.ReadAllBytes(path);
Texture2D tex = new Texture2D(2, 2);
tex.LoadImage(data);
_twitch_user_image_cache[login] = Sprite.Create(tex, new Rect(0, 0, tex.width, tex.height), new Vector2(.5f, .5f));
callback(_twitch_user_image_cache[login]);
}
else
{
Debug.Log("Runner Thumb[" + login + "]: Model cached, but not image, need to fetch");
StartCoroutine(request_user_image(login, callback));
}
}
else
{
// no cache exists, so need to cache both image and model!
Debug.Log("Runner Thumb[" + login + "]: not in image or model -cache...");
string path = Application.persistentDataPath + "/runners/" + login + "/runner_thumb.png";
if (File.Exists(path))
{
Debug.Log("Runner Thumb[" + login + "]: On disk, load it and cache it for reuse!");
byte [] data = File.ReadAllBytes(path);
Texture2D tex = new Texture2D(2, 2);
tex.LoadImage(data);
_twitch_user_image_cache[login] = Sprite.Create(tex, new Rect(0, 0, tex.width, tex.height), new Vector2(.5f, .5f));
callback(_twitch_user_image_cache[login]);
}
else
{
Debug.Log("Runner Thumb[" + login + "]: not on disk, not in model and not in image cache, need to refetch all");
StartCoroutine(request_user(login, (UserModel m) => {
_twitch_user_cache[login] = m;
StartCoroutine(request_user_image(login, callback));
}));
}
}
}
