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Added BD+ version detection #26

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Merged
mnadareski merged 4 commits into from
Mar 18, 2021
Merged

Added BD+ version detection #26

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5fded07
Added BD+ version detection
TheRogueArchivist Mar 18, 2021
a85ae35
Address Comments
TheRogueArchivist Mar 18, 2021
6ce0cb5
Address comment
TheRogueArchivist Mar 18, 2021
4dc8eb4
Remove unnecessary assignment
TheRogueArchivist Mar 18, 2021
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6 changes: 2 additions & 4 deletions BurnOutSharp/ProtectionType/AACS.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -30,14 +30,12 @@ public string CheckPath(string path, bool isDirectory, IEnumerable<string> files
string filename = Path.GetFileName(path);
if (filename.Equals("MKBROM.AACS", StringComparison.OrdinalIgnoreCase))
{
string file = path;
int? version = GetVersion(file);
int? version = GetVersion(path);
return (version == null ? "AACS (Unknown Version)" : $"AACS Version {version}");
}
if (filename.Equals("MKB_RO.inf", StringComparison.OrdinalIgnoreCase))
{
string file = path;
int? version = GetVersion(file);
int? version = GetVersion(path);
return (version == null ? "AACS (Unknown Version)" : $"AACS Version {version}");
}
}
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44 changes: 42 additions & 2 deletions BurnOutSharp/ProtectionType/BD+.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,6 @@ namespace BurnOutSharp.ProtectionType
{
public class BDPlus : IPathCheck
{
// TODO: Figure out how to detect version
/// <inheritdoc/>
public string CheckPath(string path, bool isDirectory, IEnumerable<string> files)
{
Expand All @@ -17,11 +16,52 @@ public string CheckPath(string path, bool isDirectory, IEnumerable<string> files
if (files.Any(f => f.Contains(Path.Combine("BDSVM", "00000.svm")))
&& files.Any(f => f.Contains(Path.Combine("BDSVM", "BACKUP", "00000.svm"))))
{
return "BD+";
string file = files.FirstOrDefault(f => Path.GetFileName(f).Equals("00000.svm", StringComparison.OrdinalIgnoreCase));
string version = GetVersion(file);
return (version == null ? "BD+ (Unknown Version)" : $"BD+ Version {version}");
}
}
else
{
string filename = Path.GetFileName(path);
if (filename.Equals("00000.svm", StringComparison.OrdinalIgnoreCase))
{
string version = GetVersion(path);
return (version == null ? "BD+ (Unknown Version)" : $"BD+ Version {version}");
}
}
return null;
}

// Version detection logic from libbdplus was used to implement this
private static string GetVersion(string path)
{
try
{
using (var fs = File.OpenRead(path))
{
fs.Seek(0x0d, SeekOrigin.Begin);
int year1 = fs.ReadByte();
int year2 = fs.ReadByte();
int month = fs.ReadByte();
int day = fs.ReadByte();

int year = (year1 << 8) | year2;

// If the result isn't a valid date, report it as an unknown version
if (year < 2006 || year > 2100 || month < 1 || month > 12 || day < 1 || day > 31)
{
return null;
}

return $"{year}/{month}/{day}";
}
}
catch
{
return null;
}
}
}
}