public static uint ComputeCueCrc(CueSheet cue)
{
if (!cue.HasDataTrack())
{
throw new Exception("Audio only CDs are not supported for hashing");
}
var track = cue.FindFirstDataTrack();
FileStream fs = new FileStream(track.FileName, FileMode.Open, FileAccess.Read);
BinaryReader reader = new BinaryReader(fs);
fs.Seek(track.FileOffset, SeekOrigin.Begin);
int numsects = 20;
uint crcAccum = 0xFFFFFFFF;
for (int i = 0; i < numsects; ++i)
{
byte[] data;
if (track.SectorSize == CueSheet.SectorSize._2352)
{
reader.ReadBytes(16);
data = reader.ReadBytes(2048);
reader.ReadBytes(288);
}
else
{
data = reader.ReadBytes(2048);
}
if (i == 0) //check signature
{
if (data[0] != 0x82 || data[1] != 0xB1 || data[2] != 0x82 || data[3] != 0xCC || data[4] != 0x83 || data[5] != 0x76 || data[6] != 0x83 || data[7] != 0x8D)
{
//Debug.Assert(false);
//Console.WriteLine("Err\n");
}
}
crcAccum = Crc32.ComputeStep(crcAccum, data);
}
crcAccum = Crc32.Finalize(crcAccum);
reader.Close();
fs.Close();
return(crcAccum);
}
private void button1_Click(object sender, EventArgs e)
{
OpenFileDialog ofn = new OpenFileDialog();
ofn.CheckPathExists = true;
ofn.Multiselect = false;
ofn.Filter = "HuCard Files (*.pce)|*.pce|CDRom cuesheets (*.cue)|*.cue";
if (ofn.ShowDialog() == DialogResult.OK)
{
uint crc;
if (ofn.FileName.EndsWith(".pce", StringComparison.InvariantCultureIgnoreCase))
{
var data = File.ReadAllBytes(ofn.FileName);
if ((data.Length & 0xFFF) != 0)
{
uint l = (uint)data.Length & 0xFFFFF000;
var dat = new byte[l];
Array.Copy(data, data.Length & 0xFFF, dat, 0, l);
data = dat;
crc = Crc32.Compute(data);
}
else
{
crc = Crc32.Compute(data);
}
}
else if (ofn.FileName.EndsWith(".cue", StringComparison.InvariantCultureIgnoreCase))
{
var cue = new CueSheet(ofn.FileName);
crc = GameDBMgr.ComputeCueCrc(cue);
}
else
{
MessageBox.Show("Invalid file extension");
return;
}
//Check if the crc already exists
String crcstr = crc.ToString("X8");
var ck = gameDB.GameCk.FirstOrDefault(x => x.Checksum == crcstr);
if (ck != null)
{
if (ck.GameID == gameID)
{
MessageBox.Show("This checksum already exists for this game");
}
else
{
MessageBox.Show("This checksum already exists for a different game!!");
}
}
else
{
ck = gameDB.GameCk.NewGameCkRow();
ck.GameID = gameID;
ck.Checksum = crcstr;
gameDB.GameCk.AddGameCkRow(ck);
}
}
}
static void ScanDir(String dir, GameDB db, GameDBMgr form)
{
Game[] games;
byte[] scshots;
ushort sccnt;
ushort gamecnt;
int crptBlock;
gamecnt = 0;
sccnt = 0;
crptBlock = 0;
games = new Game[1024];
scshots = new Byte[1024 * 3072];
if (form != null)
{
form.Invoke(new Action(() =>
{
form.label1.Text = Path.GetFileName(dir);
}));
}
else
{
Console.WriteLine("Processing directory " + Path.GetFileName(dir));
}
foreach (var f in Directory.GetFiles(dir, "*.pce"))
{
var data = File.ReadAllBytes(f);
var crc = Crc32.Compute(data);
var ck = db.GameCk.FirstOrDefault(w => w.Checksum == crc.ToString("X8"));
if (ck == null && (data.Length & 0xFFF) != 0)
{
uint l = (uint)data.Length & 0xFFFFF000;
var dat = new byte[l];
Array.Copy(data, data.Length & 0xFFF, dat, 0, l);
data = dat;
crc = Crc32.Compute(data);
ck = db.GameCk.FirstOrDefault(w => w.Checksum == crc.ToString("X8"));
}
if (ck != null)
{
//var namecrc = Crc32.Compute(Encoding.ASCII.GetBytes(f.Substring(f.LastIndexOf('\\') + 1)));
var nn = f.Substring(f.LastIndexOfAny(new char[] { '\\', '/' }) + 1);
nn = nn.Substring(0, nn.LastIndexOf('.'));
var name = Encoding.ASCII.GetBytes(nn);
byte[] namecnv = new byte[56];
if (name.Length > 56)
{
Array.Copy(name, namecnv, 56);
}
else
{
Array.Copy(name, namecnv, name.Length);
}
for (int i = 0; i < namecnv.Length; ++i)
{
namecnv[i] = ProcessChar(namecnv[i]);
}
var namecrc = Crc32.update_crc(0xFFFFFFFF, namecnv, 56);
var existing = games.Take(gamecnt).FirstOrDefault(x => x.checksum != 0 && x.GameID == ck.GameID);
if (existing != null)
{
var g = new Game();
g.checksum = namecrc;
g.remap = existing.remap;
g.GameID = existing.GameID;
g.TextName = existing.TextName;
g.ScreenName = existing.ScreenName;
games[gamecnt] = g;
++gamecnt;
}
else
{
var gg = db.Game.FirstOrDefault(x => x.ID == ck.GameID);
if (gg != null && !gg.IsScreenshotNull())
{
//String dst = "TileCache/" + gg.Screenshot.Substring(gg.Screenshot.LastIndexOfAny(new char[] { '\\', '/' }) + 1);
string dst = "TileCache/" + gg.Screenshot.Replace("\\", "_").Replace("/", "_").Replace(":", "_");
dst = dst.Replace(".png", ".tile");
if (File.Exists(dst))
{
var g = new Game();
g.checksum = namecrc;
g.remap = sccnt;
g.GameID = ck.GameID;
g.TextName = gg.Name;
g.ScreenName = gg.Screenshot;
games[gamecnt] = g;
++gamecnt;
//copy screenshot to the scshot block
byte[] scshot = File.ReadAllBytes(dst);
byte[] scshot2 = new byte[3072];
Array.Copy(scshot, scshot2, scshot.Length);
//add year, genre...
scshot2[0xA00] = 0x0; //version
if (!gg.IsGenreNull())
{
scshot2[0xA01] = (byte)gg.Genre;
}
if (!gg.IsYearNull())
{
scshot2[0xA02] = (byte)(gg.Year & 0xFF);
scshot2[0xA03] = (byte)((gg.Year >> 8) & 0xFF);
}
Debug.Assert(scshot2.Length == 3072);
Array.Copy(scshot2, 0, scshots, 3072 * sccnt, scshot2.Length);
// The issue is there is a sequence of screenshot indexes that the lookup fails to
// resolve to the right location displaying junk data as the screenshot
// This is the sequence
// Index: 0 21 42 64 85 106 128 149 170 192
// Spacing: 21 21 22 21 21 22 21 21 22 ...
//
// A repeating pattern of 21, 21, 22...
if (((sccnt - crptBlock) % 21 == 0) && ((sccnt + 1) % 64 != 0))
{
// true
Console.WriteLine("Corrupted Index Skipped: {0}", sccnt);
sccnt++;
games[gamecnt - 1].remap = sccnt;
Array.Copy(scshot2, 0, scshots, 3072 * sccnt, scshot2.Length);
}
else if (sccnt % 64 == 0)
{
// true
Console.WriteLine("Corrupted Index Skipped: {0}", sccnt);
sccnt++;
games[gamecnt - 1].remap = sccnt;
Array.Copy(scshot2, 0, scshots, 3072 * sccnt, scshot2.Length);
crptBlock++;
}
else
{
// false. do nothing
}
sccnt++;
}
}
}
}
else
{
//Console.WriteLine("Missing crc " + f);
}
}
//scan dirs for cds
foreach (var d in Directory.GetDirectories(dir))
{
var cues = Directory.GetFiles(d, "*.cue");
if (cues.Length == 1)
{
try
{
var cue = new CueSheet(cues[0]);
var crc = ComputeCueCrc(cue);
var ck = db.GameCk.FirstOrDefault(w => w.Checksum == crc.ToString("X8"));
if (ck != null)
{
//var namecrc = Crc32.Compute(Encoding.ASCII.GetBytes(f.Substring(f.LastIndexOf('\\') + 1)));
var nn = d.Substring(d.LastIndexOfAny(new char[] { '\\', '/' }) + 1);
var name = Encoding.ASCII.GetBytes(nn);
byte[] namecnv = new byte[56];
if (name.Length > 56)
{
Array.Copy(name, namecnv, 56);
}
else
{
Array.Copy(name, namecnv, name.Length);
}
for (int i = 0; i < namecnv.Length; ++i)
{
namecnv[i] = ProcessChar(namecnv[i]);
}
var namecrc = Crc32.update_crc(0xFFFFFFFF, namecnv, 56);
var existing = games.Take(gamecnt).FirstOrDefault(x => x.checksum != 0 && x.GameID == ck.GameID);
if (existing != null)
{
var g = new Game();
g.checksum = namecrc;
g.remap = existing.remap;
g.GameID = existing.GameID;
g.TextName = existing.TextName;
g.ScreenName = existing.ScreenName;
games[gamecnt] = g;
++gamecnt;
}
else
{
var gg = db.Game.FirstOrDefault(x => x.ID == ck.GameID);
if (gg != null && !gg.IsScreenshotNull())
{
//String dst = "TileCache/" + gg.Screenshot.Substring(gg.Screenshot.LastIndexOfAny(new char[] { '\\', '/' }) + 1);
string dst = "TileCache/" + gg.Screenshot.Replace("\\", "_").Replace("/", "_").Replace(":", "_");
dst = dst.Replace(".png", ".tile");
if (File.Exists(dst))
{
var g = new Game();
g.checksum = namecrc;
g.remap = sccnt;
g.GameID = ck.GameID;
g.TextName = gg.Name;
g.ScreenName = gg.Screenshot;
games[gamecnt] = g;
++gamecnt;
//copy screenshot to the scshot block
byte[] scshot = File.ReadAllBytes(dst);
byte[] scshot2 = new byte[3072];
Array.Copy(scshot, scshot2, scshot.Length);
//add year, genre...
scshot2[0xA00] = 0x0; //version
if (!gg.IsGenreNull())
{
scshot2[0xA01] = (byte)gg.Genre;
}
if (!gg.IsYearNull())
{
scshot2[0xA02] = (byte)(gg.Year & 0xFF);
scshot2[0xA03] = (byte)((gg.Year >> 8) & 0xFF);
}
Debug.Assert(scshot2.Length == 3072);
Array.Copy(scshot2, 0, scshots, 3072 * sccnt, scshot2.Length);
// Bad index patch
if (((sccnt - crptBlock) % 21 == 0) && ((sccnt + 1) % 64 != 0))
{
// true
Console.WriteLine("Corrupted Index Skipped: {0}", sccnt);
sccnt++;
games[gamecnt - 1].remap = sccnt;
Array.Copy(scshot2, 0, scshots, 3072 * sccnt, scshot2.Length);
}
else if (sccnt % 64 == 0)
{
// true
Console.WriteLine("Corrupted Index Skipped: {0}", sccnt);
sccnt++;
games[gamecnt - 1].remap = sccnt;
Array.Copy(scshot2, 0, scshots, 3072 * sccnt, scshot2.Length);
crptBlock++;
}
else
{
// false. do nothing
}
sccnt++;
}
}
}
}
else
{
//Console.WriteLine("Missing crc " + f);
}
}
catch (Exception ex)
{
Console.WriteLine("Error processing " + cues[0] + " . Skipped");
Console.WriteLine(ex.Message);
}
}
}
if (gamecnt != 0)
{
games = games.Take(gamecnt).OrderBy(x => x.checksum).ToArray();
//Console.WriteLine("Writting game.db");
List <string> debugOutput = new List <string>();
//Console.WriteLine("{0,8} {1,8} {2,10} {3,4} {4,-32} {5,-32}", "Little", "Big", "Int", "Indx", "DB Text Name", "Screenshot");
debugOutput.Add(String.Format("{0,8},{1,8},{2,10},{3,4},{4,-32},{5,-32}", "Little", "Big", "Int", "Indx", "DB Text Name", "Screenshot"));
FileStream fs = new FileStream(dir + "/games.db", FileMode.Create, FileAccess.Write);
BinaryWriter bw = new BinaryWriter(fs);
foreach (var g in games)
{
bw.Write(g.checksum);
// TODO: Add Debug Check
string shortName = g.TextName.Length > 31 ? g.TextName.Substring(0, 31) : g.TextName;
//Console.WriteLine("{0,8} {1,8} {2,10} {3,4} {4,-32} {5,-32}", LittleEndian(g.checksum.ToString("X8")), g.checksum.ToString("X8"), g.checksum, g.remap, shortName, g.ScreenName);
debugOutput.Add(String.Format("{0,8},{1,8},{2,10},{3,4},{4,-32},{5,-32}", LittleEndian(g.checksum.ToString("X8")), g.checksum.ToString("X8"), g.checksum, g.remap, shortName, g.ScreenName));
}
if (form.debugToolStripMenuItem.Checked)
{
foreach (string d in debugOutput)
{
Console.WriteLine(d.Replace(',', ' '));
}
System.IO.File.WriteAllLines(dir + "/debug.csv", debugOutput.ToArray());
}
for (int i = 0; i < 1024 - games.Length; ++i)
{
bw.Write(0xFFFFFFFF);
}
foreach (var g in games)
{
bw.Write(g.remap);
}
for (int i = 0; i < 1024 - games.Length; ++i)
{
bw.Write((ushort)0xFFFF);
}
bw.Write(scshots, 0, 3072 * sccnt);
bw.Close();
fs.Close();
}
foreach (var d in Directory.GetDirectories(dir))
{
ScanDir(d, db, form);
}
}
static void ScanDir(String dir, GameDB db, GameDBMgr form)
{
Game[] games;
byte[] scshots;
ushort sccnt;
ushort gamecnt;
gamecnt = 0;
sccnt = 0;
games = new Game[1024];
scshots = new Byte[1024 * 3072];
if (form != null)
{
form.Invoke(new Action(() =>
{
form.label1.Text = Path.GetFileName(dir);
}));
}
else
{
Console.WriteLine("Processing directory " + Path.GetFileName(dir));
}
foreach (var f in Directory.GetFiles(dir, "*.pce"))
{
var data = File.ReadAllBytes(f);
var crc = Crc32.Compute(data);
var ck = db.GameCk.FirstOrDefault(w => w.Checksum == crc.ToString("X8"));
if (ck == null && (data.Length & 0xFFF) != 0)
{
uint l = (uint)data.Length & 0xFFFFF000;
var dat = new byte[l];
Array.Copy(data, data.Length & 0xFFF, dat, 0, l);
data = dat;
crc = Crc32.Compute(data);
ck = db.GameCk.FirstOrDefault(w => w.Checksum == crc.ToString("X8"));
}
if (ck != null)
{
//var namecrc = Crc32.Compute(Encoding.ASCII.GetBytes(f.Substring(f.LastIndexOf('\\') + 1)));
var nn = f.Substring(f.LastIndexOfAny(new char[] { '\\', '/' }) + 1);
nn = nn.Substring(0, nn.LastIndexOf('.'));
var name = Encoding.ASCII.GetBytes(nn);
byte[] namecnv = new byte[56];
if (name.Length > 56)
{
Array.Copy(name, namecnv, 56);
}
else
{
Array.Copy(name, namecnv, name.Length);
}
for (int i = 0; i < namecnv.Length; ++i)
{
namecnv[i] = ProcessChar(namecnv[i]);
}
var namecrc = Crc32.update_crc(0xFFFFFFFF, namecnv, 56);
var existing = games.Take(gamecnt).FirstOrDefault(x => x.checksum != 0 && x.GameID == ck.GameID);
if (existing != null)
{
var g = new Game();
g.checksum = namecrc;
g.remap = existing.remap;
g.GameID = existing.GameID;
games[gamecnt] = g;
++gamecnt;
}
else
{
var gg = db.Game.FirstOrDefault(x => x.ID == ck.GameID);
if (gg != null && !gg.IsScreenshotNull())
{
//String dst = "TileCache/" + gg.Screenshot.Substring(gg.Screenshot.LastIndexOfAny(new char[] { '\\', '/' }) + 1);
string dst = "TileCache/" + gg.Screenshot.Replace("\\", "_").Replace("/", "_").Replace(":", "_");
dst = dst.Replace(".png", ".tile");
if (File.Exists(dst))
{
var g = new Game();
g.checksum = namecrc;
g.remap = sccnt;
g.GameID = ck.GameID;
games[gamecnt] = g;
++gamecnt;
//copy screenshot to the scshot block
byte[] scshot = File.ReadAllBytes(dst);
byte[] scshot2 = new byte[3072];
Array.Copy(scshot, scshot2, scshot.Length);
//add year, genre...
scshot2[0xA00] = 0x0; //version
if (!gg.IsGenreNull())
{
scshot2[0xA01] = (byte)gg.Genre;
}
if (!gg.IsYearNull())
{
scshot2[0xA02] = (byte)(gg.Year & 0xFF);
scshot2[0xA03] = (byte)((gg.Year >> 8) & 0xFF);
}
Debug.Assert(scshot2.Length == 3072);
Array.Copy(scshot2, 0, scshots, 3072 * sccnt, scshot2.Length);
sccnt++;
}
}
}
}
else
{
//Console.WriteLine("Missing crc " + f);
}
}
//scan dirs for cds
foreach (var d in Directory.GetDirectories(dir))
{
var cues = Directory.GetFiles(d, "*.cue");
if (cues.Length == 1)
{
try
{
var cue = new CueSheet(cues[0]);
var crc = ComputeCueCrc(cue);
var ck = db.GameCk.FirstOrDefault(w => w.Checksum == crc.ToString("X8"));
if (ck != null)
{
//var namecrc = Crc32.Compute(Encoding.ASCII.GetBytes(f.Substring(f.LastIndexOf('\\') + 1)));
var nn = d.Substring(d.LastIndexOfAny(new char[] { '\\', '/' }) + 1);
var name = Encoding.ASCII.GetBytes(nn);
byte[] namecnv = new byte[56];
if (name.Length > 56)
{
Array.Copy(name, namecnv, 56);
}
else
{
Array.Copy(name, namecnv, name.Length);
}
for (int i = 0; i < namecnv.Length; ++i)
{
namecnv[i] = ProcessChar(namecnv[i]);
}
var namecrc = Crc32.update_crc(0xFFFFFFFF, namecnv, 56);
var existing = games.Take(gamecnt).FirstOrDefault(x => x.checksum != 0 && x.GameID == ck.GameID);
if (existing != null)
{
var g = new Game();
g.checksum = namecrc;
g.remap = existing.remap;
g.GameID = existing.GameID;
games[gamecnt] = g;
++gamecnt;
}
else
{
var gg = db.Game.FirstOrDefault(x => x.ID == ck.GameID);
if (gg != null && !gg.IsScreenshotNull())
{
//String dst = "TileCache/" + gg.Screenshot.Substring(gg.Screenshot.LastIndexOfAny(new char[] { '\\', '/' }) + 1);
string dst = "TileCache/" + gg.Screenshot.Replace("\\", "_").Replace("/", "_").Replace(":", "_");
dst = dst.Replace(".png", ".tile");
if (File.Exists(dst))
{
var g = new Game();
g.checksum = namecrc;
g.remap = sccnt;
g.GameID = ck.GameID;
games[gamecnt] = g;
++gamecnt;
//copy screenshot to the scshot block
byte[] scshot = File.ReadAllBytes(dst);
byte[] scshot2 = new byte[3072];
Array.Copy(scshot, scshot2, scshot.Length);
//add year, genre...
scshot2[0xA00] = 0x0; //version
if (!gg.IsGenreNull())
{
scshot2[0xA01] = (byte)gg.Genre;
}
if (!gg.IsYearNull())
{
scshot2[0xA02] = (byte)(gg.Year & 0xFF);
scshot2[0xA03] = (byte)((gg.Year >> 8) & 0xFF);
}
Debug.Assert(scshot2.Length == 3072);
Array.Copy(scshot2, 0, scshots, 3072 * sccnt, scshot2.Length);
sccnt++;
}
}
}
}
else
{
//Console.WriteLine("Missing crc " + f);
}
}
catch (Exception ex)
{
Console.WriteLine("Error processing " + cues[0] + " . Skipped");
Console.WriteLine(ex.Message);
}
}
}
if (gamecnt != 0)
{
games = games.Take(gamecnt).OrderBy(x => x.checksum).ToArray();
//Console.WriteLine("Writting game.db");
FileStream fs = new FileStream(dir + "/games.db", FileMode.Create, FileAccess.Write);
BinaryWriter bw = new BinaryWriter(fs);
foreach (var g in games)
{
bw.Write(g.checksum);
}
for (int i = 0; i < 1024 - games.Length; ++i)
{
bw.Write(0xFFFFFFFF);
}
foreach (var g in games)
{
bw.Write(g.remap);
}
for (int i = 0; i < 1024 - games.Length; ++i)
{
bw.Write((ushort)0xFFFF);
}
bw.Write(scshots, 0, 3072 * sccnt);
bw.Close();
fs.Close();
}
foreach (var d in Directory.GetDirectories(dir))
{
ScanDir(d, db, form);
}
}