static Bios7800 PickFirstBios7800(IEnumerable <ImportedSpecialBinaryInfo> specialBinaryInfoSet) => specialBinaryInfoSet .Select(sbi => DatastoreService.GetRomBytes(sbi.StorageKey)) .Where(b => b.Length == 4096 || b.Length == 16384) .Take(1) .Select(b => new Bios7800(b)) .FirstOrDefault() ?? Bios7800.Default;
public static IList <GameProgramInfo> GetGameProgramInfos(string romPath)
{
var bytes = DatastoreService.GetRomBytes(romPath);
var md5key = RomBytesService.ToMD5Key(bytes);
var romPropertiesCsv = AssetService.GetAssetByLines(Asset.ROMProperties);
return(RomPropertiesService.ToGameProgramInfo(romPropertiesCsv)
.Where(gpi => gpi.MD5 == md5key)
.ToList());
}
static void Import(IEnumerable <string> paths)
{
DirectoryScanCompleted = false;
CancelRequested = false;
FilesExamined = 0;
FilesRecognized = 0;
var romPropertiesCsv = AssetService.GetAssetByLines(Asset.ROMProperties);
var gameProgramInfoSet = RomPropertiesService.ToGameProgramInfo(romPropertiesCsv);
var gameProgramInfoMd5Dict = gameProgramInfoSet.GroupBy(r => r.MD5).ToDictionary(g => g.Key, g => g.ToList());
var importedGameProgramInfoMd5Dict = new Dictionary <string, ImportedGameProgramInfo>();
var importedSpecialBinaryInfoSet = new List <ImportedSpecialBinaryInfo>();
DirectoryScanCompleted = true;
foreach (var path in paths)
{
if (CancelRequested)
{
break;
}
FilesExamined++;
var bytes = DatastoreService.GetRomBytes(path);
if (bytes.Length == 0)
{
continue;
}
var md5key = RomBytesService.ToMD5Key(bytes);
if (!gameProgramInfoMd5Dict.TryGetValue(md5key, out var gpiList))
{
var specialBinaryType = RomBytesService.ToSpecialBinaryType(md5key);
if (specialBinaryType != SpecialBinaryType.None)
{
var sbi = new ImportedSpecialBinaryInfo {
Type = specialBinaryType, StorageKey = path
};
importedSpecialBinaryInfoSet.Add(sbi);
}
continue;
}
FilesRecognized++;
foreach (var gpi in gpiList)
{
if (!importedGameProgramInfoMd5Dict.TryGetValue(md5key, out var igpi))
{
igpi = new(gpi);
igpi.PersistedStateAt = DatastoreService.PersistedMachineAt(gpi);
importedGameProgramInfoMd5Dict.Add(md5key, igpi);
}
igpi.StorageKeySet.Add(path);
}
}
if (CancelRequested)
{
return;
}
DatastoreService.ImportedGameProgramInfo = importedGameProgramInfoMd5Dict.Values
.Where(igpi => igpi.StorageKeySet.Count > 0)
.OrderBy(igpi => igpi.GameProgramInfo.Title);
DatastoreService.ImportedSpecialBinaryInfo = importedSpecialBinaryInfoSet;
}
public static void Import() => Import(DatastoreService.QueryROMSFolder());
public static MachineStateInfo Create(ImportedGameProgramInfo importedGameProgramInfo, bool use7800Bios = false, bool use7800Hsc = false)
{
if (importedGameProgramInfo.StorageKeySet.Count == 0)
{
throw new ArgumentException("importedGameProgramInfo.StorageKeySet", nameof(importedGameProgramInfo));
}
var romBytes = importedGameProgramInfo.StorageKeySet
.Select(sk => DatastoreService.GetRomBytes(sk))
.FirstOrDefault(b => b.Length > 0) ?? Array.Empty <byte>();
if (romBytes.Length == 0)
{
Error("MachineFactory.Create: No ROM bytes");
return(MachineStateInfo.Default);
}
romBytes = RomBytesService.RemoveA78HeaderIfNecessary(romBytes);
var gameProgramInfo = importedGameProgramInfo.GameProgramInfo;
if (gameProgramInfo.CartType == CartType.Unknown)
{
var inferredCartType = RomBytesService.InferCartTypeFromSize(gameProgramInfo.MachineType, romBytes.Length);
if (inferredCartType != gameProgramInfo.CartType)
{
gameProgramInfo = gameProgramInfo with {
CartType = inferredCartType
};
}
}
if (gameProgramInfo.MachineType != MachineType.A7800NTSC &&
gameProgramInfo.MachineType != MachineType.A7800PAL)
{
use7800Bios = use7800Hsc = false;
}
var bios7800 = use7800Bios ? GetBios7800(gameProgramInfo) : Bios7800.Default;
var hsc7800 = use7800Hsc ? GetHSC7800() : HSC7800.Default;
Cart cart;
try
{
cart = Cart.Create(romBytes, gameProgramInfo.CartType);
}
catch (Emu7800Exception ex)
{
Error("MachineFactory.Create: Unable to create Cart: " + ex.Message);
return(MachineStateInfo.Default);
}
MachineBase machine;
try
{
machine = MachineBase.Create(gameProgramInfo.MachineType, cart, bios7800, hsc7800,
gameProgramInfo.LController, gameProgramInfo.RController, NullLogger.Default);
}
catch (Emu7800Exception ex)
{
Error("MachineFactory.Create: Unable to create Machine: " + ex.Message);
return(MachineStateInfo.Default);
}
return(new()
{
FramesPerSecond = machine.FrameHZ,
CurrentPlayerNo = 1,
GameProgramInfo = gameProgramInfo,
Machine = machine
});
}
static HSC7800 PickFirstHSC7800(IEnumerable <ImportedSpecialBinaryInfo> specialBinaryInfoSet) => specialBinaryInfoSet .Select(sbi => DatastoreService.GetRomBytes(sbi.StorageKey)) .Where(b => b.Length > 0) .Select(b => new HSC7800(b)) .FirstOrDefault() ?? HSC7800.Default;
