public void fetch_game_image(string game_id, GameImageTypes type, fetch_game_image_callback callback)
{
// which cache to use might be based on type, we'll start out only doing thumbs..
if (_game_thumb_cache.ContainsKey(game_id))
{
Debug.Log("Game Thumb[" + game_id + "]: image in cache, return it...");
callback(_game_thumb_cache[game_id]);
}
else if (_game_model_cache.ContainsKey(game_id))
{
Debug.Log("Game Thumb[" + game_id + "]: not in image cache, check on disk...");
string path = Application.persistentDataPath + "/" + game_id + "/game_thumb.png";
if (File.Exists(path))
{
Debug.Log("Game Thumb[" + game_id + "]: On disk, load it and cache it for reuse!");
byte [] data = File.ReadAllBytes(path);
Texture2D tex = new Texture2D(2, 2);
tex.LoadImage(data);
_game_thumb_cache[game_id] = Sprite.Create(tex, new Rect(0, 0, tex.width, tex.height), new Vector2(.5f, .5f));
callback(_game_thumb_cache[game_id]);
}
else
{
Debug.Log("Game Thumb[" + game_id + "]: Model cached, but not image, need to fetch");
StartCoroutine(request_game_image(game_id, callback));
}
}
else
{
// no cache exists, so need to cache both image and model!
Debug.Log("Game Thumb[" + game_id + "]: not in image or model -cache...");
string path = Application.persistentDataPath + "/" + game_id + "/game_thumb.png";
if (File.Exists(path))
{
Debug.Log("Game Thumb[" + game_id + "]: On disk, load and cache the image!");
byte [] data = File.ReadAllBytes(path);
Texture2D tex = new Texture2D(2, 2);
tex.LoadImage(data);
_game_thumb_cache[game_id] = Sprite.Create(tex, new Rect(0, 0, tex.width, tex.height), new Vector2(.5f, .5f));
callback(_game_thumb_cache[game_id]);
}
else
{
Debug.Log("Game Thumb[" + game_id + "]: not on disk, not in model and not in image cache, need to refetch all");
StartCoroutine(request_game(game_id, (GameModel m) => {
_game_model_cache[game_id] = m;
StartCoroutine(request_game_image(game_id, callback));
}));
}
}
}
private IEnumerator request_game_image(string id, fetch_game_image_callback callback)
{
string url = _game_model_cache[id].data.assets.cover_small.uri;
UnityWebRequest texture_request = UnityWebRequestTexture.GetTexture(url);
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;
_game_thumb_cache[id] = Sprite.Create(texture, new Rect(0, 0, texture.width, texture.height), new Vector2(.5f, .5f));
callback(_game_thumb_cache[id]);
// Store the file locally
byte[] img = texture.EncodeToPNG();
string path = Application.persistentDataPath + "/" + id + "/game_thumb.png";
Directory.CreateDirectory(Path.GetDirectoryName(path));
File.WriteAllBytes(path, img);
}
}