public static BaseSheet GetTile(TileFrame tileTex)
{
BaseSheet sheet;
if (tileCache.TryGetValue(tileTex, out sheet))
{
return(sheet);
}
long tilePos = TileIndex.GetPosition(tileTex.Sheet, tileTex.TexLoc);
if (tilePos > 0)
{
try
{
using (FileStream stream = new FileStream(String.Format(TILE_PATTERN, tileTex.Sheet), FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (BinaryReader reader = new BinaryReader(stream))
{
// Seek to the location of the tile
reader.BaseStream.Seek(tilePos, SeekOrigin.Begin);
sheet = BaseSheet.Load(reader);
tileCache.Add(tileTex, sheet);
return(sheet);
}
}
}
catch (Exception ex)
{
DiagManager.Instance.LogError(new Exception("Error retrieving tile " + tileTex.TexLoc.X + ", " + tileTex.TexLoc.Y + " from Tileset #" + tileTex.Sheet + "\n", ex));
}
}
BaseSheet newSheet = BaseSheet.LoadError();
tileCache.Add(tileTex, newSheet);
return(newSheet);
}