private static CacheVersion DetectCacheVersion(EndianReader reader)
{
var version = GetMapFileVersion(reader);
var buildDate = GetBuildDate(reader, version);
return(CacheVersionDetection.GetFromBuildName(buildDate));
}
private static bool IsModifiedReachFormat(EndianReader reader)
{
reader.SeekTo(0x120);
var version = CacheVersionDetection.GetFromBuildName(reader.ReadString(0x20));
if (version == CacheVersion.Unknown)
{
return(false);
}
else
{
return(true);
}
}
public override object Execute(List <string> args)
{
if (args.Count < 1)
{
return(false);
}
var memory = false;
while (args.Count > 1)
{
switch (args[0].ToLower())
{
case "memory":
memory = true;
break;
default:
throw new FormatException(args[0]);
}
args.RemoveAt(0);
}
var blamCacheFile = new FileInfo(args[0]);
if (!blamCacheFile.Exists)
{
Console.WriteLine($"CacheFile {blamCacheFile.FullName} does not exist");
return(true);
}
Console.Write("Loading blam cache file...");
CacheFile blamCache = null;
using (var cacheStream = new FileStream(blamCacheFile.FullName, FileMode.Open, FileAccess.Read))
{
var reader = new EndianReader(cacheStream, EndianFormat.BigEndian);
var head = reader.ReadInt32();
if (head == 1684104552)
{
reader.Format = EndianFormat.LittleEndian;
}
var v = reader.ReadInt32();
switch (v)
{
case 8: // Gen2
reader.SeekTo(36);
switch (reader.ReadInt32())
{
case 0: // Halo 2 Xbox
reader.SeekTo(288);
break;
case -1: // Halo 2 Vista
reader.SeekTo(300);
break;
}
break;
default: // Gen3+
reader.SeekTo(284);
break;
}
var version = CacheVersionDetection.GetFromBuildName(reader.ReadString(32));
switch (version)
{
case CacheVersion.Halo2Xbox:
case CacheVersion.Halo2Vista:
if (blamCacheFile.Name != "mainmenu.map")
{
new CacheFileGen2(CacheContext, new FileInfo(Path.Combine(blamCacheFile.Directory.FullName, "mainmenu.map")), version, memory);
}
if (blamCacheFile.Name != "shared.map")
{
new CacheFileGen2(CacheContext, new FileInfo(Path.Combine(blamCacheFile.Directory.FullName, "shared.map")), version, memory);
}
if (blamCacheFile.Name != "single_player_shared.map")
{
new CacheFileGen2(CacheContext, new FileInfo(Path.Combine(blamCacheFile.Directory.FullName, "single_player_shared.map")), version, memory);
}
blamCache = new CacheFileGen2(CacheContext, blamCacheFile, version, memory);
break;
case CacheVersion.Halo3Retail:
case CacheVersion.Halo3ODST:
case CacheVersion.HaloReach:
blamCache = new CacheFileGen3(CacheContext, blamCacheFile, version, memory);
break;
default: // Same question here as above.
throw new NotSupportedException(CacheVersionDetection.GetBuildName(version));
}
}
ContextStack.Push(PortingContextFactory.Create(ContextStack, CacheContext, blamCache));
Console.WriteLine("done.");
return(true);
}