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BD+ using BitConverter

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This commit is contained in:
Matt Nadareski
2021-03-20 22:00:38 -07:00
parent 9bff6d5fe1
commit e1669f031f
1 changed files with 10 additions and 12 deletions
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22
BurnOutSharp/ProtectionType/BDPlus.cs
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@@ -37,25 +37,23 @@ namespace BurnOutSharp.ProtectionType
/// <remarks>Version detection logic from libbdplus was used to implement this</remarks>
private static string GetVersion(string path)
{
if (!File.Exists(path))
return null;
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();
fs.Seek(0x0D, SeekOrigin.Begin);
byte[] date = new byte[4];
fs.Read(date, 0, 4); //yymd
short year = BitConverter.ToInt16(date, 0);
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)
{
// Do some rudimentary date checking
if (year < 2006 || year > 2100 || date[2] < 1 || date[2] > 12 || date[3] < 1 || date[3] > 31)
return null;
}
return $"{year}/{month}/{day}";
return $"{year}/{date[2]}/{date[3]}";
}
}
catch