/// <summary>
/// Stream the field from a tag stream
/// </summary>
/// <param name="ts"></param>
/// <exception cref="Exceptions.InvalidStringId"></exception>
public override void Read(IO.ITagStream ts)
{
if (Handle.Set == -1) // HACK used to tell Read that we already read the string data (as this is an old halo 2 tag)
{
Handle = new Blam.StringId(Handle.Description, Handle.Index, Handle.Length, 0);
return;
}
if (!ts.Flags.Test(IO.ITagStreamFlags.DontStreamStringData)) // stream the string id value if we can
{
IO.EndianReader s = ts.GetInputStream();
relativeOffset = s.PositionUnsigned;
string value = null;
try
{
value = new string(s.ReadChars(Handle.Length));
if (Handle != Blam.StringId.Null)
{
Program.GetTagIndex(OwnerId).StringIds.TryAndGetStringId(value, out Handle);
}
}
catch (Exception ex)
{
throw new Exceptions.InvalidStringId(ex,
base.headerOffset, base.relativeOffset, ts,
Handle.Length, value);
}
}
}
public static bool DetermineEngineFromMapFile(string fileName, out string engine, out string mapName)
{
// Clear our out values
engine = "";
mapName = "";
// Check the file exists
if (System.IO.File.Exists(fileName) == false)
{
// Output error and return false
Console.WriteLine("Error file \"{0}\" not found!", fileName);
return(false);
}
// Create a new endian reader
IO.EndianReader br = new IO.EndianReader(IO.Endianness.Little, new System.IO.FileStream(fileName,
System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.Read));
// Check for the 'head' or 'daeh' identifier
bool result = false;
int headMagic = br.ReadInt32();
if (headMagic == /* 'head' */ 0x64616568)
{
// Big endian map, ex halo 3
}
else if (headMagic == /* 'daeh' */ 0x68656164)
{
// Check engine version
int engineVersion = br.ReadInt32();
if (engineVersion == 8)
{
// Halo 2 map, but we need to check the build date to determine which version of halo 2
br.BaseStream.Position = 288;
if (br.ReadInt32() == 0)
{
// There is no build date at 288, advance to 300 and check if it is a halo 2 vista map
br.BaseStream.Position = 300;
}
else
{
// Parse the whole build date so we can check it
br.BaseStream.Position = 288;
string buildDate = new string(br.ReadChars(32)).Replace("\0", "");
// Check if the map is a final or beta build map
if (buildDate.Equals("02.09.27.09809") == true)
{
// It's a final halo 2 xbox map
engine = "Halo2Xbox";
// Read the map name
br.BaseStream.Position = 408;
mapName = new string(br.ReadChars(32)).Replace("\0", "");
// Done
result = true;
}
else if (buildDate.Equals("02.06.28.07902") == true)
{
// It's a halo 2 beta map
engine = "Halo2Beta";
// Read the map name
br.BaseStream.Position = 408;
mapName = new string(br.ReadChars(32)).Replace("\0", "");
// Done
result = true;
}
}
}
}
// Close the reader
br.Close();
// Done
return(result);
}
