public static BMP GetFromBytes(byte[] data, int index = 0)
{
if (!IsBMP(data, index))
{
return(null);
}
string name = Encoding.ASCII.GetString(data, index, 32);
BMP bmp = null;
try
{
bmp = new BMP(data, index);
}
catch { }
return(bmp);
}
public void Extract()
{
images = new List <WADImage>();
if (!File.Exists(Folder))
{
Trace.WriteLine("WAD: The file " + Folder + " does not exist!");
}
var fs = new FileStream(Folder, FileMode.Open, FileAccess.Read);
var br = new BinaryReader(fs);
var bytes = br.ReadBytes((int)(new FileInfo(Folder).Length));
br.Close();
fs.Close();
if (bytes.Length < 400 + 4 + 512 + 13 + 4)
{
Trace.WriteLine("WAD: File too small!");
}
Trace.WriteLine("WAD: Reading file '" + Folder + "'");
// Read color palette count:
int paletteCnt = (bytes[400] | bytes[401] << 8 | bytes[402] << 16 | bytes[403] << 24);
Trace.WriteLine("WAD: Palette count: " + paletteCnt);
byte[][] palettes = new byte[paletteCnt][];
// Read color palettes:
int index = 404;
for (int i = 0; i < paletteCnt; ++i)
{
var array = new byte[PaletteSize];
Array.Copy(bytes, index + i * PaletteSize, array, 0, PaletteSize);
palettes[i] = array;
}
// Read image count
index = 404 + paletteCnt * PaletteSize;
int imageCnt =
bytes[index++] |
bytes[index++] << 8 |
bytes[index++] << 16 |
bytes[index++] << 24;
Trace.WriteLine("WAD: image count: " + imageCnt);
// Now come BMP or RLE files
while (index < bytes.Length)
{
// Get Filename:
var name = Encoding.ASCII.GetString(bytes, index, 32).TrimEnd('\0');
if (name.EndsWith("BMP"))
{
BMP bmp = null;
try
{
bmp = new BMP(bytes, index);
bmp.Name = name;
if (bmp.ColorPaletteIndex < palettes.Length)
{
bmp.Palette = palettes[bmp.ColorPaletteIndex];
bmp.ApplyPalette();
}
else
{
Trace.WriteLine("WAD: Warning! BMP image has invalid palette index");
}
images.Add(bmp);
index += bmp.RawDataSize;
continue;
}
catch (Exception e)
{
Trace.WriteLine("WAD: Error reading BMP: " + name + ", " + e);
}
}
else if (name.EndsWith("RLE"))
{
RLE rle = null;
try
{
rle = new RLE(bytes, index);
rle.Name = name;
if (rle.ColorPaletteIndex < palettes.Length)
{
rle.Palette = palettes[rle.ColorPaletteIndex];
rle.ApplyPalette();
}
else
{
Trace.WriteLine("WAD: Warning! RLE image has invalid palette index");
}
images.Add(rle);
index += rle.RawDataSize;
}
catch (Exception e)
{
Trace.WriteLine("WAD: Error while reading RLE: " + name + ", " + e);
}
}
else
{
Trace.WriteLine("WAD: Error filename does not end with BMP or RLE: " + name);
}
}
Trace.WriteLine("WAD Extract() success!");
}