private static bool SaveFrameV16(
PegFileV13 peg,
Peg.FrameV13 frame,
byte[] buffer,
string basePath,
out string finalPath,
out string type)
{
finalPath = Path.ChangeExtension(basePath, ".png");
type = "png";
switch (frame.Format)
{
case Peg.PixelFormat.A8R8G8B8:
{
var bitmap = ImageHelper.ExportA8R8G8B8(frame.Width, frame.Height, buffer);
bitmap.Save(finalPath, System.Drawing.Imaging.ImageFormat.Png);
return(true);
}
case Peg.PixelFormat.DXT1:
case Peg.PixelFormat.DXT3:
case Peg.PixelFormat.DXT5:
{
var bitmap = ImageHelper.ExportDXT(frame.Format, frame.Width, frame.Height, buffer);
bitmap.Save(finalPath, System.Drawing.Imaging.ImageFormat.Png);
return(true);
}
}
return(false);
}
public void Deserialize(Stream input)
{
var baseOffset = input.Position;
var magic = input.ReadValueU32(Endian.Little);
if (magic != Signature && magic.Swap() != Signature)
{
throw new FormatException("not a peg file");
}
var endian = magic == Signature ? Endian.Little : Endian.Big;
var version = input.ReadValueU16(endian);
if (version != 13)
{
throw new FormatException("unsupported peg version");
}
var platform = input.ReadValueU16(endian);
if (Enum.IsDefined(typeof(Platform), platform) == false)
{
throw new FormatException("unsupported peg platform");
}
var headerSize = input.ReadValueU32(endian);
if (baseOffset + headerSize > input.Length)
{
throw new EndOfStreamException();
}
var dataSize = input.ReadValueU32(endian);
var textureCount = input.ReadValueU16(endian);
var unknown12 = input.ReadValueU16(endian);
var frameCount = input.ReadValueU16(endian);
var unknown16 = input.ReadValueU8();
var unknown17 = input.ReadValueU8();
if (unknown12 != 0 ||
unknown16 != 16 ||
unknown17 != 0)
{
throw new FormatException("unexpected unknown values");
}
var textures = new Peg.Texture <Peg.FrameV13> [textureCount];
int totalFrames = 0;
for (int i = 0; i < textures.Length; i++)
{
textures[i] = new Peg.Texture <Peg.FrameV13>();
var frame = new Peg.FrameV13();
frame.Deserialize(input, endian);
textures[i].Frames.Add(frame);
totalFrames++;
if (frame.FrameCount == 0)
{
throw new FormatException("frame count is 0");
}
for (int j = 1; j < frame.FrameCount; j++)
{
var extraFrame = new Peg.FrameV13();
extraFrame.Deserialize(input, endian);
if (extraFrame.FrameCount != 1)
{
throw new FormatException("frame count is not 1");
}
textures[i].Frames.Add(extraFrame);
totalFrames++;
}
}
if (totalFrames != frameCount)
{
throw new FormatException("did not read correct amount of frames");
}
foreach (var texture in textures)
{
texture.Name = input.ReadStringZ(Encoding.ASCII);
}
this._Endian = endian;
this._Version = version;
this._Platform = (Platform)platform;
this._DataSize = dataSize;
this._Textures.Clear();
this._Textures.AddRange(textures);
}
