private void button1_Click(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
if (ofd.ShowDialog() == DialogResult.OK)
{
FileStream stream = new FileStream(ofd.FileName, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);
BinaryReader reader = new BinaryReader(stream);
BinaryWriter writer = new BinaryWriter(stream);
RE4Checksum.RE4Checksum re4c = new RE4Checksum.RE4Checksum();
// Data checked is at 0x1EE4 for length of 0x1FC. This MUST be computed first!
reader.BaseStream.Position = 0x1EE4;
uint CRC = re4c.Compute(reader.ReadBytes(0x1FC), 0x1FC);
// First checsum location is at 0x1EE0
writer.BaseStream.Position = 0x1EE0;
// Write as big endian
writer.Write(BitConverter.GetBytes(BSwapUint(CRC)));
writer.Flush();
// Second part of the data checked is at 0x1EE0 for length of 0xCAF8
reader.BaseStream.Position = 0x1EE0;
CRC = re4c.Compute(reader.ReadBytes(0xCAF8), 0xCAF8);
// Second checksum location is at 0xE9D8
writer.BaseStream.Position = 0xE9D8;
// Write as big endian
writer.Write(BitConverter.GetBytes(BSwapUint(CRC)));
writer.Flush();
// Third checksum location is at 0xFFA90 (unchecked by the game but doing this for keeping save integrity)
writer.BaseStream.Position = 0xFFA90;
// Write as big endian
writer.Write(BitConverter.GetBytes(BSwapUint(CRC)));
writer.Flush();
stream.Close();
MessageBox.Show("Resign Completed!");
}
}
private void button1_Click(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
if (ofd.ShowDialog() == DialogResult.OK)
{
FileStream stream = new FileStream(ofd.FileName, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);
BinaryReader reader = new BinaryReader(stream);
BinaryWriter writer = new BinaryWriter(stream);
RE4Checksum.RE4Checksum re4c = new RE4Checksum.RE4Checksum();
// Data checked is at 0x1EE4 for length of 0x1FC. This MUST be computed first!
reader.BaseStream.Position = 0x1EE4;
uint CRC = re4c.Compute(reader.ReadBytes(0x1FC), 0x1FC);
// First checsum location is at 0x1EE0
writer.BaseStream.Position = 0x1EE0;
// Write as big endian
writer.Write(BitConverter.GetBytes(BSwapUint(CRC)));
writer.Flush();
// Second part of the data checked is at 0x1EE0 for length of 0xCAF8
reader.BaseStream.Position = 0x1EE0;
CRC = re4c.Compute(reader.ReadBytes(0xCAF8), 0xCAF8);
// Second checksum location is at 0xE9D8
writer.BaseStream.Position = 0xE9D8;
// Write as big endian
writer.Write(BitConverter.GetBytes(BSwapUint(CRC)));
writer.Flush();
// Third checksum location is at 0xFFA90 (unchecked by the game but doing this for keeping save integrity)
writer.BaseStream.Position = 0xFFA90;
// Write as big endian
writer.Write(BitConverter.GetBytes(BSwapUint(CRC)));
writer.Flush();
stream.Close();
MessageBox.Show("Resign Completed!");
}
}
