protected override void RequestTile(int tileX, int tileY, int roundedZoom, Tile tile)
{
//double[] tile = GeoHelpers.TileToWGS84(tileX, tileY, roundedZoom);
//Debug.Log("DEBUG: tile: " + tileX + " " + tileY + " => " + tile[0] + " " + tile[1]);
TileDownloader.Instance.Get(GetTileURL(tileX, tileY, roundedZoom), tile);
}
protected void Awake()
{
// create the tile template if needed
if (tileTemplate == null)
{
tileTemplate = Tile.CreateTileTemplate();
tileTemplate.hideFlags = HideFlags.HideAndDontSave;
tileTemplate.renderer.enabled = false;
}
++tileTemplateUseCount;
}
// <summary>
// Gets a tile by its URL, the main texture of the material is assigned if successful.
// </summary>
public void Get(string url, Tile tile)
{
#if DEBUG_LOG
Debug.Log("DEBUG: TileDownloader.Get: url: " + url);
#endif
tileURLLookedFor = url;
if (tilesToLoad.Exists(tileURLMatchPredicate))
{
#if DEBUG_LOG
Debug.LogWarning("WARNING: TileDownloader.Get: already asked for url: " + url);
#endif
return ;
}
if (tilesLoading.Exists(tileURLMatchPredicate))
{
#if DEBUG_LOG
Debug.LogWarning("WARNING: TileDownloader.Get: already downloading url: " + url);
#endif
return ;
}
#if !UNITY_WEBPLAYER
TileEntry cachedEntry = tiles.Find(tileURLMatchPredicate);
if (cachedEntry == null)
#endif
{
#if DEBUG_LOG
Debug.Log("DEBUG: TileDownloader.Get: adding '" + url + "' to loading list");
#endif
tilesToLoad.Add(new TileEntry(url, tile));
}
#if !UNITY_WEBPLAYER
else
{
#if DEBUG_LOG
Debug.Log("DEBUG: TileDownloader.Get: adding '" + url + "' to loading list (cached)");
#endif
cachedEntry.cached = true;
cachedEntry.tile = tile;
//cachedEntry.Complete = material;
tilesToLoad.Add(cachedEntry);
}
#endif
}
public TileEntry(string url, Tile tile)
{
this.url = url;
if (tile == null)
throw new ArgumentNullException("tile");
this.tile = tile;
this.jobCompleteHandler = new Job.JobCompleteHandler(TileDownloader.Instance.JobTerminationEvent);
}
/// <summary> /// Requests the tile's texture and assign it. /// </summary> /// <param name='tileX'> /// Tile x. /// </param> /// <param name='tileY'> /// Tile y. /// </param> /// <param name='roundedZoom'> /// Rounded zoom. /// </param> /// <param name='tile'> /// Tile. /// </param> protected abstract void RequestTile(int tileX, int tileY, int roundedZoom, Tile tile);
protected override void RequestTile(int tileX, int tileY, int roundedZoom, Tile tile)
{
if (db == null)
{
throw new NullReferenceException("db");
}
DataTable dt = db.ExecuteQuery("SELECT tile_data FROM tiles WHERE zoom_level=" + roundedZoom + " AND tile_column=" + tileX + " AND tile_row=" + tileY);
if (dt.Rows.Count == 0)
{
#if DEBUG_LOG
Debug.LogWarning("WARNING: no rows in MBTiles db for tile: " + tileX + "," + tileY + "," + roundedZoom);
#endif
return ;
}
Texture2D tex = new Texture2D((int)Map.TileResolution, (int)Map.TileResolution);
if (tex.LoadImage((byte[])dt.Rows[0]["tile_data"]))
tile.SetTexture(tex);
else
{
#if DEBUG_LOG
Debug.LogError("ERROR: MBTilesLayer.RequestTile: couldn't load image for: " + tileX + "," + tileY + "," + roundedZoom);
#endif
}
}
