/// <summary>
/// Converts a RTPack File to a Bitmap by file name. Returns false if invalid file.
/// </summary>
/// <param name="filename"></param>
/// <returns></returns>
public static Bitmap ConvertRTPACKFile(string filename)
{
if (!File.Exists(filename))
{
return(new Bitmap(32, 32));
}
using (FileStream fs = new FileStream(filename, FileMode.Open))
{
BinaryReader br = new BinaryReader(fs);
/*
* Main File Header.
* - RTTXTR -> Texture File.
* - RTFONT -> Font File.
* - RTPACK -> One of them, recompressed after output. (RTPack.exe ".rtfont/.rttex")
*
* */
string rtpack_magic = new string(br.ReadChars(6));
if (String.Equals(rtpack_magic, "RTTXTR"))
{
return(new RTTEX(br).texture);
}
else if (String.Equals(rtpack_magic, "RTFONT"))
{
throw new FileFormatException("RTFONT file selected.");
}
else if (String.Equals(rtpack_magic, "RTPACK"))
{
byte version = br.ReadByte();
byte reserved = br.ReadByte();
//RTPACK Header (24 bytes)
uint compressedSize = br.ReadUInt32();
uint decompressedSize = br.ReadUInt32();
eCompressionType compressionType = (eCompressionType)br.ReadByte();
fs.Seek(15, SeekOrigin.Current);
//Zlib Magic header (78 9C), IO.Compression doesn't want it for deflate so just skip it
fs.ReadByte();
fs.ReadByte();
//RTFONT Header
using (MemoryStream ms = new MemoryStream())
{
if (compressionType == eCompressionType.C_COMPRESSION_ZLIB)
{
using (DeflateStream zs = new DeflateStream(fs, CompressionMode.Decompress))
{
zs.CopyTo(ms);
}
ms.Position = 0;
}
else
{
fs.CopyTo(ms);
ms.Position = 0;
}
BinaryReader bdr = new BinaryReader(ms);
//RTFile Header again (8 bytes)
string decomp_magic = new string(bdr.ReadChars(6));
if (String.Equals(decomp_magic, "RTTXTR"))
{
return(new RTTEX(bdr).texture);
}
else if (String.Equals(decomp_magic, "RTFONT"))
{
throw new FileFormatException("RTFONT file selected.");
}
}
}
else
{
throw new FileFormatException("Not a RTPACK file.");
}
}
return(null);
}
/// <summary>
/// Converts a RTPack File to .png by file name. Returns false if invalid file.
/// </summary>
/// <param name="filename"></param>
/// <returns></returns>
static void ConvertRTPACKFile(string filename)
{
using (FileStream fs = new FileStream(filename, FileMode.Open))
{
BinaryReader br = new BinaryReader(fs);
/*
* Main File Header.
* - RTTXTR -> Texture File.
* - RTFONT -> Font File.
* - RTPACK -> One of them, recompressed after output. (RTPack.exe ".rtfont/.rttex")
*
* */
string rtpack_magic = new string(br.ReadChars(6));
if (String.Equals(rtpack_magic, "RTTXTR"))
{
Log("Uncompressed texture file detected.", Color.LimeGreen);
new RTTEX(br).texture.Save($@"{Path.GetDirectoryName(filename)}\{Path.GetFileNameWithoutExtension(filename)}.png");
}
else if (String.Equals(rtpack_magic, "RTFONT"))
{
Log("Uncompressed font file detected.", Color.LimeGreen);
RTFONT font = new RTFONT(br);
font.fontBitmap.texture.Save($@"{Path.GetDirectoryName(filename)}\{Path.GetFileNameWithoutExtension(filename)}.png");
Log("Extracting all characters.", Color.LimeGreen);
font.ExtractCharacters(filename);
}
else if (String.Equals(rtpack_magic, "RTPACK"))
{
byte version = br.ReadByte();
byte reserved = br.ReadByte();
//RTPACK Header (24 bytes)
uint compressedSize = br.ReadUInt32();
Log($"-> Compressed Size : {BytesToString(compressedSize)}", Color.Orange);
uint decompressedSize = br.ReadUInt32();
Log($"-> Decompressed Size : {BytesToString(decompressedSize)}", Color.Orange);
eCompressionType compressionType = (eCompressionType)br.ReadByte();
Log($"-> Compression Type : {compressionType}", Color.Orange);
fs.Seek(15, SeekOrigin.Current);
//Zlib Magic header (78 9C), IO.Compression doesn't want it for deflate so just skip it
fs.ReadByte();
fs.ReadByte();
//RTFONT Header
using (MemoryStream ms = new MemoryStream())
{
if (compressionType == eCompressionType.C_COMPRESSION_ZLIB)
{
Log("Decompressing..", Color.Yellow);
using (DeflateStream zs = new DeflateStream(fs, CompressionMode.Decompress))
{
zs.CopyTo(ms);
}
ms.Position = 0;
//Decompress and save file
#if DEBUG
using (FileStream file = new FileStream(Path.GetFileNameWithoutExtension(filename) + ".rtpack", FileMode.Create))
{
ms.CopyTo(file);
ms.Position = 0;
}
#endif
}
else
{
fs.CopyTo(ms);
ms.Position = 0;
}
Log("Loaded onto memory.");
BinaryReader bdr = new BinaryReader(ms);
//RTFile Header again (8 bytes)
string decomp_magic = new string(bdr.ReadChars(6));
if (String.Equals(decomp_magic, "RTTXTR"))
{
Log("Texture file detected. (RTTXTR/rttex)", Color.LimeGreen);
new RTTEX(bdr).texture.Save($@"{Path.GetDirectoryName(filename)}\{Path.GetFileNameWithoutExtension(filename)}.png");
}
else if (String.Equals(decomp_magic, "RTFONT"))
{
Log("Font detected. (RTFONT/rtfont)", Color.LimeGreen);
RTFONT font = new RTFONT(bdr);
font.fontBitmap.texture.Save($@"{Path.GetDirectoryName(filename)}\{Path.GetFileNameWithoutExtension(filename)}.png");
Log("Extracting all characters.", Color.LimeGreen);
font.ExtractCharacters(filename);
}
}
}
else
{
throw new FileFormatException("Not a RTPACK file.");
}
}
}
