internal static void Extract(string gameDirectory)
{
FileStream ImageFile;
try
{
ImageFile = File.OpenRead(gameDirectory + "/scenes/scenes.image");
}
catch (FileNotFoundException e)
{
Console.WriteLine("Didn't find scenes.image");
Console.WriteLine(e.Message);
return;
}
catch (UnauthorizedAccessException f)
{
Console.WriteLine("Cannot read scenes.image file.");
Console.WriteLine(f.Message);
return;
}
MemoryStream image = new MemoryStream();
ImageFile.CopyTo(image);
ImageFile.Close();
image.Position = 0;
VSIF_Header Header = PopulateHeader(image);
if (Header.ID != Common.FourCC("VSIF", false))
{
Console.WriteLine("Scenes.image has incorrect Magic");
return;
}
if (Header.Version != 2)
{
Console.WriteLine("Scenes.image has incorrect version");
return;
}
if (Header.ScenesCount == 0)
{
Console.WriteLine("Scenes.image is empty");
return;
}
Console.WriteLine("Extracting scenes.image ({0} scenes)\n", Header.ScenesCount);
/* Extraction */
for (int i = 0; i < Header.ScenesCount; i++)
{
ExtractScene(ref image, i, Header); //there's only one VSIF Header
}
//VSIF_ExtractScene(Image, i, Maps, MapsCount, GameDirectory);
//free(Image);
//printf("Finished extracting scenes from game %s\n", GameDirectory);
//return 0;
image.Close();
Console.WriteLine("Finished extracting scenes from {0}", gameDirectory);
}
private static VSIF_Header PopulateHeader(MemoryStream image)
{
using (BinaryReader bin_img = new BinaryReader(image, System.Text.Encoding.UTF8, true))
{
long pnt = image.Position;
VSIF_Header Header = new VSIF_Header()
{
ID = bin_img.ReadUInt32(),
Version = bin_img.ReadUInt32(),
ScenesCount = bin_img.ReadUInt32(),
StringsCount = bin_img.ReadUInt32(),
EntryOffset = bin_img.ReadUInt32()
};
image.Seek(pnt, SeekOrigin.Begin);
return(Header);
}
//BinaryReader bin_img = new BinaryReader(image);
//bin_img.Close();
}
private static void ExtractScene(ref MemoryStream image, int i, VSIF_Header Header)
{
//VSIF_Header sceneHeader = PopulateHeader(image);
UInt32 entryStart = (UInt32)(Header.EntryOffset + (i * sizeof(UInt32) * 4));
image.Seek(entryStart, SeekOrigin.Begin);
VSIF_Entry Entry = PopulateEntry(image);
MemoryStream SceneBuffer;
FileStream VCDFile = null;
UInt32 SceneBufferSize = UncompressScene(ref image, Entry.Offset, out SceneBuffer, Entry.Size);
if (SceneBufferSize == 0)
{
Console.Error.WriteLine("Failed to uncompress scene with CRC {0}", Entry.CRC);
return;
}
//if (BVCDDecompiler.OpenVCDForWriting(out VCDFile,Entry.CRC))
//{
//}
// throw new NotImplementedException();
BVCDDecompiler.OpenVCDForWriting(out VCDFile, Entry.CRC);
SceneBuffer.Position = 0;
image.Position = 0;
if (VCDFile != null)
{
if (!BVCDDecompiler.Decompile(ref VCDFile, ref SceneBuffer, ref image))
{
Console.WriteLine("Cannot decompile VCD with CRC {0:x}", Entry.CRC);
}
//VCDFile.Close();
}
//SceneBuffer.Close();
//Close methods of BinaryReader and StringWriter close underlying streams by default
}
