/// <summary>
/// Load sky texture
/// </summary>
/// <param name="stream">The <see cref="FileStream"/></param>
/// <returns>Sky texture</returns>
private static Bitmap LoadSky(FileStream stream)
{
Powerslave.Skybox skyData = Powerslave.LoadStruct <Powerslave.Skybox>(stream);
List <Color> pallet = skyData.Pallet.Select(rgb => Color.FromArgb((byte)(((rgb >> 0) & 31) * 8), (byte)(((rgb >> 5) & 31) * 8), (byte)((rgb >> 10 & 31) * 8))).ToList();
Bitmap sky = new Bitmap((byte.MaxValue + 1) * 2, byte.MaxValue + 1);
for (int y = 0; y < sky.Height; y++)
{
for (int x = 0; x < sky.Width; x++)
{
sky.SetPixel(x, y, pallet[skyData.Bitmap[(y * sky.Width) + x]]);
}
}
// Bitmaps are flipped over Y axis
sky.RotateFlip(RotateFlipType.RotateNoneFlipY);
return(sky);
}
/// <summary>
/// Load map data
/// </summary>
/// <param name="file">Path to the file</param>
/// <returns>Loaded <see cref="Map"/></returns>
public static Map Load(string file)
{
Exception loadingException = null;
Map map = new Map {
FileName = file
};
using (FileStream stream = File.OpenRead(file))
{
try
{
// Load sky texture first
map.Sky = Map.LoadSky(stream);
// Load map header (skip 1292 bytes of unknown/empty space)
stream.Position = 0x2070C;
Powerslave.FileHeader header = Powerslave.LoadStruct <Powerslave.FileHeader>(stream);
// Load map data
map.Sectors = Map.CreateSequence(() => Powerslave.LoadStruct <Powerslave.Sector>(stream), header.SectorCount).ToList();
map.Planes = Map.CreateSequence(() => Powerslave.LoadStruct <Powerslave.Plane>(stream), header.PlaneCount).ToList();
map.Vertices = Map.CreateSequence(() => Powerslave.LoadStruct <Powerslave.Vertex>(stream), header.VertexCount).ToList();
map.Quads = Map.CreateSequence(() => Powerslave.LoadStruct <Powerslave.Quad>(stream), header.QuadCount).ToList();
}
catch (Exception ex)
{
loadingException = ex;
if (map.Sky != null)
{
map.Sky.Dispose();
}
}
}
if (loadingException != null)
{
throw loadingException;
}
return(map);
}