/// <summary>
/// Extract Bitmap from WAD.
/// </summary>
/// <param name="index">Lump index.</param>
/// <param name="transparent">Replace blue color with alpha 0.</param>
/// <returns>Returns Texture. Contains image and Mipmaps.</returns>
/// <exception cref="TextureDimensionException"></exception>
public Texture GetLumpImage(int index, bool transparent = false)
{
Texture retVal;
if (index > -1 && index < LumpsInfo.Count)
{
byte type = LumpsInfo[index].Type;
//0x40 - tempdecal.wad
//0x42 - cached.wad
//0x43 - normald wads
//0x46 - fonts
if (type == 0x40 || type == 0x42 || type == 0x43 || type == 0x46) //Supported types
{
//Go to lump
binReader.BaseStream.Seek(LumpsInfo[index].Offset, SeekOrigin.Begin);
if (type == 0x40 || type == 0x43)
{
//Skip lump name
binReader.BaseStream.Seek(MaxNameLength, SeekOrigin.Current);
}
//Read texture size
uint width = binReader.ReadUInt32();
uint height = binReader.ReadUInt32();
if (width > MaxTextureWidth || height > MaxTextureHeight)
{
throw new TextureDimensionException("Texture width or height exceeds maximum size!");
}
if (width == 0 || height == 0)
{
throw new TextureDimensionException("Texture width and height must be larger than 0!");
}
//If QFont
if (type == 0x46)
{
//width = width * QCharWidth;
width = 256;
uint RowCount = binReader.ReadUInt32();
uint RowHeight = binReader.ReadUInt32();
CharInfo[] FontInfo = new CharInfo[QNumbOfGlyphs];
for (int i = 0; i < QNumbOfGlyphs; i++)
{
FontInfo[i].StartOffset = binReader.ReadUInt16();
FontInfo[i].CharWidth = binReader.ReadUInt16();
}
}
//Initialize bitmap
Bitmap bmp = new Bitmap((int)width, (int)height, PixelFormat.Format8bppIndexed);
//Read pixel offset, skip MIPMAPS offsets
if (type == 0x40 || type == 0x43)
{
//Not used, but needed
uint pixelOffset = binReader.ReadUInt32();
//Skip MIPMAPS offsets, not needed
binReader.BaseStream.Seek(12, SeekOrigin.Current);
}
//Read RAW pixels
uint pixelSize = width * height;
pixelsBlockPos = binReader.BaseStream.Position;
lastImageSize = pixelSize;
lastImageWidth = width;
byte[] pixels = pixels = binReader.ReadBytes((int)pixelSize);
//Read MIPMAPS
Texture.TextureMipmaps mipmaps = null;
if (type == 0x40 || type == 0x43)
{
mipmaps = new Texture.TextureMipmaps
{
Mipmap1 = binReader.ReadBytes((int)((width / 2) * (height / 2))),
Mipmap2 = binReader.ReadBytes((int)((width / 4) * (height / 4))),
Mipmap3 = binReader.ReadBytes((int)((width / 8) * (height / 8)))
};
}
//Padding 2-bytes
binReader.BaseStream.Seek(2, SeekOrigin.Current);
//Prepare new palette for bitmap
ColorPalette pal = bmp.Palette;
palleteBlockPos = binReader.BaseStream.Position;
//Read palette bytes from file into array
byte[] palBytes = binReader.ReadBytes(MaxPaletteColors * 3);
for (int i = 0, j = 0; i < MaxPaletteColors; i++)
{
if (type == 0x40) //e.g.: tempdecal.wad
{
pal.Entries[i] = Color.FromArgb(i, i, i);
}
else
{
//Read palette entry RGB
pal.Entries[i] = Color.FromArgb(palBytes[j], palBytes[j + 1], palBytes[j + 2]);
}
//Check for transparent (blue) color
if (transparent && i == (MaxPaletteColors - 1) && LumpsInfo[index].Name.StartsWith("{"))
{
pal.Entries[i] = Color.FromArgb(0, pal.Entries[i]);
}
j += 3;
}
bmp.Palette = pal;
//Lock bitmap for pixel manipulation
BitmapData bmd = bmp.LockBits(new Rectangle(0, 0, (int)width, (int)height), ImageLockMode.WriteOnly, PixelFormat.Format8bppIndexed);
System.Runtime.InteropServices.Marshal.Copy(pixels, 0, bmd.Scan0, pixels.Length);
bmp.UnlockBits(bmd);
retVal = new Texture
{
Image = bmp,
Mipmaps = mipmaps
};
}
else
{
throw new HLToolsUnsupportedFile("Unsupported type (0x" + LumpsInfo[index].Type.ToString("X") + ") of lump (texture) in WAD!");
}
}
else
{
throw new ArgumentOutOfRangeException();
}
return(retVal);
}
/// <summary>
/// Extract Bitmap from WAD.
/// </summary>
/// <param name="index">Lump index.</param>
/// <param name="transparent">Replace blue color with alpha 0.</param>
/// <returns>Returns Texture. Contains image and Mipmaps.</returns>
/// <exception cref="TextureDimensionException"></exception>
public Texture GetLumpImage(int index, bool transparent = false)
{
Texture retVal = null;
if (index > -1 && index < LumpsInfo.Count)
{
byte type = LumpsInfo[index].Type;
//0x40 - tempdecal.wad
//0x42 - cached.wad
//0x43 - normald wads
//0x46 - fonts
if (type == 0x40 || type == 0x42 || type == 0x43 || type == 0x46) //Supported types
{
//Go to lump
binReader.BaseStream.Seek(LumpsInfo[index].Offset, SeekOrigin.Begin);
if (type == 0x40 || type == 0x43)
{
//Skip lump name
binReader.BaseStream.Seek(MaxNameLength, SeekOrigin.Current);
}
//Read texture size
uint width = binReader.ReadUInt32();
uint height = binReader.ReadUInt32();
if (width > MaxTextureWidth || height > MaxTextureHeight)
throw new TextureDimensionException("Texture width or height exceeds maximum size!");
if (width == 0 || height == 0)
throw new TextureDimensionException("Texture width and height must be larger than 0!");
//If QFont
if (type == 0x46)
{
//width = width * QCharWidth;
width = 256;
uint RowCount = binReader.ReadUInt32();
uint RowHeight = binReader.ReadUInt32();
CharInfo[] FontInfo = new CharInfo[QNumbOfGlyphs];
for (int i = 0; i < QNumbOfGlyphs; i++)
{
FontInfo[i].StartOffset = binReader.ReadUInt16();
FontInfo[i].CharWidth = binReader.ReadUInt16();
}
}
//Initialize bitmap
Bitmap bmp = new Bitmap((int)width, (int)height, PixelFormat.Format8bppIndexed);
//Read pixel offset, skip MIPMAPS offsets
if (type == 0x40 || type == 0x43)
{
//Not used, but needed
uint pixelOffset = binReader.ReadUInt32();
//Skip MIPMAPS offsets, not needed
binReader.BaseStream.Seek(12, SeekOrigin.Current);
}
//Read RAW pixels
uint pixelSize = width * height;
pixelsBlockPos = binReader.BaseStream.Position;
lastImageSize = pixelSize;
lastImageWidth = width;
byte[] pixels = pixels = binReader.ReadBytes((int)pixelSize);
//Read MIPMAPS
Texture.TextureMipmaps mipmaps = null;
if (type == 0x40 || type == 0x43)
{
mipmaps = new Texture.TextureMipmaps();
mipmaps.Mipmap1 = binReader.ReadBytes((int)((width / 2) * (height / 2)));
mipmaps.Mipmap2 = binReader.ReadBytes((int)((width / 4) * (height / 4)));
mipmaps.Mipmap3 = binReader.ReadBytes((int)((width / 8) * (height / 8)));
}
//Padding 2-bytes
binReader.BaseStream.Seek(2, SeekOrigin.Current);
//Prepare new palette for bitmap
ColorPalette pal = bmp.Palette;
palleteBlockPos = binReader.BaseStream.Position;
//Read palette bytes from file into array
byte[] palBytes = binReader.ReadBytes(MaxPaletteColors * 3);
for (int i = 0, j = 0; i < MaxPaletteColors; i++)
{
if (type == 0x40) //e.g.: tempdecal.wad
{
pal.Entries[i] = Color.FromArgb(i, i, i);
}
else
{
//Read palette entry RGB
pal.Entries[i] = Color.FromArgb(palBytes[j], palBytes[j + 1], palBytes[j + 2]);
}
//Check for transparent (blue) color
if (transparent && i == (MaxPaletteColors - 1) && LumpsInfo[index].Name.StartsWith("{"))
{
pal.Entries[i] = Color.FromArgb(0, pal.Entries[i]);
}
j += 3;
}
bmp.Palette = pal;
//Lock bitmap for pixel manipulation
BitmapData bmd = bmp.LockBits(new Rectangle(0, 0, (int)width, (int)height), System.Drawing.Imaging.ImageLockMode.WriteOnly, PixelFormat.Format8bppIndexed);
System.Runtime.InteropServices.Marshal.Copy(pixels, 0, bmd.Scan0, pixels.Length);
bmp.UnlockBits(bmd);
retVal = new Texture();
retVal.Image = bmp;
retVal.Mipmaps = mipmaps;
}
else
{
throw new HLToolsUnsupportedFile("Unsupported type (0x" + LumpsInfo[index].Type.ToString("X") + ") of lump (texture) in WAD!");
}
}
else
{
throw new ArgumentOutOfRangeException();
}
return retVal;
}
