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using com.clusterrr.Famicom.Containers;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
using System.Text.Json.Serialization;
using com.clusterrr.Famicom.HeaderFixer;
namespace com.clusterrr.Famicom.CoolGirl
{
class Game
{
public enum NesContainerType { iNES = 1, UNIF = 2 };
[JsonPropertyName("file_name")]
public string FileName { get; set; }
[JsonPropertyName("menu_name")]
public string MenuName { get; set; }
[JsonIgnore]
public readonly IEnumerable<byte> PRG = null;
[JsonPropertyName("prg_size")]
public uint PrgSize { get; set; }
[JsonIgnore]
public readonly IEnumerable<byte> CHR = null;
[JsonPropertyName("prg_offset")]
public uint PrgOffset { get; set; }
[JsonPropertyName("chr_size")]
public uint ChrSize { get; set; }
[JsonPropertyName("chr_offset")]
public uint ChrOffset { get; set; }
[JsonIgnore]
public uint? PrgRamSize { get; set; } = null;
[JsonIgnore]
public uint? ChrRamSize { get; set; } = null;
[JsonPropertyName("mapper")]
public string Mapper { get; set; }
[JsonPropertyName("save_id")]
public byte SaveId { get; set; }
[JsonIgnore]
public GameFlags Flags { get; set; }
[JsonPropertyName("battery")]
public bool Battery { get; set; }
[JsonIgnore]
public MirroringType Mirroring { get; set; }
[JsonPropertyName("trained")]
public bool Trained { get; set; }
[JsonPropertyName("container_type")]
public NesContainerType ContainerType { get; set; }
[Flags]
public enum GameFlags
{
WillNotWorkOnNtsc = 0x01,
WillNotWorkOnPal = 0x02,
WillNotWorkOnDendy = 0x04,
WillNotWorkOnNewFamiclone = 0x08,
Hidden = 0x10,
Separator = 0x80,
};
public Game()
{
}
public Game(string fileName, string menuName = null, Dictionary<string, GameFix> fixes = null)
{
// Separators
if (fileName == "-")
{
MenuName = (string.IsNullOrWhiteSpace(menuName) || menuName == "-") ? "" : menuName;
FileName = "";
Flags |= GameFlags.Separator;
}
else
{
Console.WriteLine($"Loading {Path.GetFileName(fileName)}...");
FileName = fileName;
if (string.IsNullOrWhiteSpace(menuName))
{
// Menu name based on filename
MenuName = Limit(Regex.Replace(Path.GetFileNameWithoutExtension(fileName), @"( ?\[.*?\])|( \(.\))", string.Empty).Replace("_", " ").ToUpper().Replace(", THE", "").Trim());
}
else
{
MenuName = Limit(menuName.Trim());
if (MenuName == "?") Flags |= GameFlags.Hidden;
}
string crc32;
string md5;
try
{
var nesFile = new NesFile(fileName);
PRG = nesFile.PRG;
PrgSize = (uint)nesFile.PRG.Length;
CHR = nesFile.CHR;
ChrSize = (uint)nesFile.CHR.Length;
Battery = nesFile.Battery;
Mapper = $"{nesFile.Mapper:D3}" + ((nesFile.Submapper > 0) ? $":{nesFile.Submapper}" : "");
Mirroring = nesFile.Mirroring;
ContainerType = NesContainerType.iNES;
Trained = nesFile.Trainer != null && nesFile.Trainer.Length > 0;
if (nesFile.Version == NesFile.iNesVersion.NES20)
{
PrgRamSize = nesFile.PrgRamSize + nesFile.PrgNvRamSize;
ChrRamSize = nesFile.ChrRamSize + nesFile.ChrNvRamSize;
}
crc32 = $"{nesFile.CalculateCRC32():x08}";
var md5full = nesFile.CalculateMD5();
md5 = $"{md5full[8]:x02}{md5full[9]:x02}{md5full[10]:x02}{md5full[11]:x02}{md5full[12]:x02}{md5full[13]:x02}{md5full[14]:x02}{md5full[15]:x02}"; // lower 8 bytes of MD5
}
catch (InvalidDataException)
{
var unifFile = new UnifFile(fileName);
PRG = unifFile.Where(k => k.Key.StartsWith("PRG")).OrderBy(k => k.Key).SelectMany(i => i.Value);
PrgSize = (uint)PRG.Count();
CHR = unifFile.Where(k => k.Key.StartsWith("CHR")).OrderBy(k => k.Key).SelectMany(i => i.Value);
ChrSize = (uint)CHR.Count();
Battery = unifFile.Battery ?? false;
var mapper = unifFile.Mapper;
if (mapper.StartsWith("NES-") || mapper.StartsWith("UNL-") || mapper.StartsWith("HVC-") || mapper.StartsWith("BTL-") || mapper.StartsWith("BMC-"))
mapper = mapper.Substring(4);
Mapper = mapper;
Mirroring = unifFile.Mirroring ?? MirroringType.MapperControlled;
ContainerType = NesContainerType.UNIF;
crc32 = $"{unifFile.CalculateCRC32():x08}";
var md5full = unifFile.CalculateMD5();
md5 = $"{md5full[8]:x02}{md5full[9]:x02}{md5full[10]:x02}{md5full[11]:x02}{md5full[12]:x02}{md5full[13]:x02}{md5full[14]:x02}{md5full[15]:x02}"; // lower 8 bytes of MD5
}
// Check for fixes database
if (fixes != null)
{
GameFix fix = null;
if (fixes.TryGetValue(crc32, out fix) || fixes.TryGetValue(md5, out fix))
{
if (!string.IsNullOrEmpty(fix.Mapper) && Mapper != fix.Mapper)
{
Mapper = fix.Mapper;
Console.WriteLine($"Fix based on checksum: {Path.GetFileName(fileName)} has {fix.Mapper} mapper");
}
if (!string.IsNullOrEmpty(fix.Mirroring) && (Mapper.ToString() != fix.Mirroring))
{
Mirroring = Enum.Parse<MirroringType>(fix.Mirroring);
Console.WriteLine($"Fix based on checksum: {Path.GetFileName(fileName)} has {fix.Mirroring} mirroring type");
}
if (fix.PrgRamSize.HasValue && (PrgRamSize != fix.PrgRamSize * 1024))
{
PrgRamSize = fix.PrgRamSize * 1024;
Console.WriteLine($"Fix based on checksum: {Path.GetFileName(fileName)} has {fix.PrgRamSize}KB PRG RAM");
}
if (fix.ChrRamSize.HasValue && (ChrRamSize != fix.ChrRamSize * 1024))
{
ChrRamSize = fix.ChrRamSize * 1024;
Console.WriteLine($"Fix based on checksum: {Path.GetFileName(fileName)} has {fix.ChrRamSize}KB CHR RAM");
}
if (fix.Battery.HasValue && (Battery != fix.Battery.Value))
{
Battery = fix.Battery.Value;
Console.WriteLine($"Fix based on checksum: {Path.GetFileName(fileName)} battery saves = {fix.Battery}");
}
if (fix.WillNotWorkOnPal)
{
Flags |= GameFlags.WillNotWorkOnPal;
Console.WriteLine($"Fix based on checksum: {Path.GetFileName(fileName)} will not work on PAL console");
}
if (fix.WillNotWorkOnNtsc)
{
Flags |= GameFlags.WillNotWorkOnNtsc;
Console.WriteLine($"Fix based on checksum: {Path.GetFileName(fileName)} will not work on NTSC console");
}
if (fix.WillNotWorkOnDendy)
{
Flags |= GameFlags.WillNotWorkOnDendy;
Console.WriteLine($"Fix based on checksum: {Path.GetFileName(fileName)} will not work on Dendy console");
}
if (fix.WillNotWorkOnNewFamiclone)
{
Flags |= GameFlags.WillNotWorkOnNewFamiclone;
Console.WriteLine($"Fix based on checksum: {Path.GetFileName(fileName)} will not work on new famiclones");
}
}
}
// External NTRAM is not supported on new famiclones
if (Mirroring == MirroringType.FourScreenVram)
Flags |= GameFlags.WillNotWorkOnNewFamiclone;
// Check for round sizes
if (PrgSize > 0)
{
uint roundSize = 1;
while (roundSize < PrgSize)
roundSize <<= 1;
if (roundSize > PrgSize)
{
var newPrg = new byte[roundSize];
for (uint i = PrgSize; i < roundSize; i++) newPrg[i] = 0xFF;
Array.Copy(PRG.ToArray(), newPrg, PrgSize);
PRG = newPrg;
PrgSize = roundSize;
}
}
if (ChrSize > 0)
{
uint roundSize = 1;
while (roundSize < ChrSize)
roundSize <<= 1;
if (roundSize > ChrSize)
{
var newChr = new byte[roundSize];
for (uint i = ChrSize; i < roundSize; i++) newChr[i] = 0xFF;
Array.Copy(CHR.ToArray(), newChr, ChrSize);
CHR = newChr;
ChrSize = roundSize;
}
}
}
}
public bool IsHidden { get => (Flags & GameFlags.Hidden) != 0; }
public bool IsSeparator { get => (Flags & GameFlags.Separator) != 0; }
public override string ToString() => MenuName;
public static string Limit(string name)
{
name = name.Trim();
if (name.Length > 29) name = name.Substring(0, 26).Trim() + "...";
return name.Trim();
}
}
}
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