private void DetermineHeaderType()
{
// Read in the headers
using (FileStream fs = new FileStream(rpxFile.DecompressedPath, FileMode.Open, FileAccess.Read))
{
using (BinaryReader br = new BinaryReader(fs, new ASCIIEncoding()))
{
// Seek to the lorom header location and read the lorom data
br.BaseStream.Seek(romPosition + SNES_LOROM_HEADER_OFFSET, SeekOrigin.Begin);
snesLoRomHeader = br.ReadBytes(SNES_HEADER_LENGTH);
// Seek to the hirom header location and read the hirom data
br.BaseStream.Seek(romPosition + SNES_HIROM_HEADER_OFFSET, SeekOrigin.Begin);
snesHiRomHeader = br.ReadBytes(SNES_HEADER_LENGTH);
}
}
// Check each header to verify which is correct
if (IsValidHeader(snesLoRomHeader))
{
if (IsValidHeader(snesHiRomHeader))
{
// Both appear to be valid, could not determine which is the correct header
headerType = SnesHeaderType.Unknown;
}
else
{
headerType = SnesHeaderType.LoROM;
}
}
else if (IsValidHeader(snesHiRomHeader))
{
headerType = SnesHeaderType.HiROM;
}
}
private void DetermineHeaderType()
{
if (verbose)
{
Console.WriteLine("Determining SNES Rom header type (LoROM or HiROM)");
}
// Read in the headers
using (FileStream fs = new FileStream(decompressedRomPath, FileMode.Open, FileAccess.Read))
{
using (BinaryReader br = new BinaryReader(fs, new ASCIIEncoding()))
{
if (verbose)
{
Console.WriteLine("Seeking to 0x{0:X} to check for possible LoROM header.", romPosition + SNES_LOROM_HEADER_OFFSET);
}
// Seek to the lorom header location and read the lorom data
br.BaseStream.Seek(romPosition + SNES_LOROM_HEADER_OFFSET, SeekOrigin.Begin);
snesLoRomHeader = br.ReadBytes(SNES_HEADER_LENGTH);
if (verbose)
{
Console.WriteLine("Seeking to 0x{0:X} to check for possible HiROM header.", romPosition + SNES_HIROM_HEADER_OFFSET);
}
// Seek to the hirom header location and read the hirom data
br.BaseStream.Seek(romPosition + SNES_HIROM_HEADER_OFFSET, SeekOrigin.Begin);
snesHiRomHeader = br.ReadBytes(SNES_HEADER_LENGTH);
}
}
// Check each header to verify which is correct
if (IsValidHeader(snesLoRomHeader))
{
if (IsValidHeader(snesHiRomHeader))
{
if (verbose)
{
Console.WriteLine("Could not determine header type since both HiROM and LoROM headers were valid.");
}
// Both appear to be valid, could not determine which is the correct header
headerType = SnesHeaderType.Unknown;
}
else
{
headerType = SnesHeaderType.LoROM;
}
}
else if (IsValidHeader(snesHiRomHeader))
{
headerType = SnesHeaderType.HiROM;
}
if (verbose)
{
Console.WriteLine("SNES header type is " + headerType.ToString());
}
}
private void DetermineHeaderType()
{
if (this.verbose)
{
Console.WriteLine("Determining SNES Rom header type (LoROM or HiROM)");
}
// Read in the headers
using (FileStream fs = new FileStream(this.decompressedRomPath, FileMode.Open, FileAccess.Read))
{
using BinaryReader br = new BinaryReader(fs, new ASCIIEncoding());
if (this.verbose)
{
Console.WriteLine("Seeking to 0x{0:X} to check for possible LoROM header.", this.romPosition + SnesLoRomHeaderOffset);
}
// Seek to the lorom header location and read the lorom data
br.BaseStream.Seek(this.romPosition + SnesLoRomHeaderOffset, SeekOrigin.Begin);
this.snesLoRomHeader = br.ReadBytes(SnesHeaderLength);
if (this.verbose)
{
Console.WriteLine("Seeking to 0x{0:X} to check for possible HiROM header.", this.romPosition + SnesHiRomHeaderOffset);
}
// Seek to the hirom header location and read the hirom data
br.BaseStream.Seek(this.romPosition + SnesHiRomHeaderOffset, SeekOrigin.Begin);
this.snesHiRomHeader = br.ReadBytes(SnesHeaderLength);
}
// Check each header to verify which is correct
if (this.IsValidHeader(this.snesLoRomHeader))
{
if (this.IsValidHeader(this.snesHiRomHeader))
{
if (this.verbose)
{
Console.WriteLine("Could not determine header type since both HiROM and LoROM headers were valid, defaulting to LoROM.");
}
// Both appear to be valid, use LoROM by default
this.headerType = SnesHeaderType.LoROM;
}
else
{
this.headerType = SnesHeaderType.LoROM;
}
}
else if (this.IsValidHeader(this.snesHiRomHeader))
{
this.headerType = SnesHeaderType.HiROM;
}
if (this.verbose)
{
Console.WriteLine("SNES header type is " + this.headerType.ToString());
}
}
public SnesVcExtractor(string dumpPath, RpxFile rpxFile)
{
string snesDictionaryPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, SNES_DICTIONARY_CSV_PATH);
snesDictionary = new RomNameDictionary(snesDictionaryPath);
snesLoRomHeader = new byte[SNES_HEADER_LENGTH];
snesHiRomHeader = new byte[SNES_HEADER_LENGTH];
headerType = SnesHeaderType.NotDetermined;
romPosition = 0;
vcNamePosition = 0;
this.rpxFile = rpxFile;
}
public SnesVcExtractor(string decompressedRomPath, bool verbose = false)
{
this.verbose = verbose;
string snesDictionaryPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, SNES_DICTIONARY_CSV_PATH);
string snesSizePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, SNES_SIZE_CSV_PATH);
snesDictionary = new RomNameDictionary(snesDictionaryPath);
snesSizeDictionary = new RomSizeDictionary(snesSizePath);
snesLoRomHeader = new byte[SNES_HEADER_LENGTH];
snesHiRomHeader = new byte[SNES_HEADER_LENGTH];
headerType = SnesHeaderType.NotDetermined;
romPosition = 0;
vcNamePosition = 0;
this.decompressedRomPath = decompressedRomPath;
}
/// <summary>
/// Initializes a new instance of the <see cref="SnesVcExtractor"/> class.
/// </summary>
/// <param name="decompressedRomPath">path to the decompressed rom.</param>
/// <param name="verbose">whether to provide verbose output.</param>
public SnesVcExtractor(string decompressedRomPath, bool verbose = false)
{
this.verbose = verbose;
string snesDictionaryPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, SnesDictionaryCsvPath);
string snesSizePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, SnesSizeCsvPath);
this.snesDictionary = new RomNameDictionary(snesDictionaryPath);
this.snesSizeDictionary = new RomSizeDictionary(snesSizePath);
this.snesLoRomHeader = new byte[SnesHeaderLength];
this.snesHiRomHeader = new byte[SnesHeaderLength];
this.headerType = SnesHeaderType.NotDetermined;
this.romPosition = 0;
this.vcNamePosition = 0;
this.sdd1Offset = 0;
this.sdd1OffsetPosition = 0;
this.fileSize = 0;
this.fileSizePosition = 0;
this.decompressedRomPath = decompressedRomPath;
}