/// <summary>
/// Start a file
/// </summary>
protected override void WriteFileHeader(GeneratorContext ctx, FileDescriptorProto file, ref object state)
{
ctx.WriteLine("// ***** This is for GAME_MASTER files. *****");
string version = ctx.GetCustomOption("PROTO_VERSION");
if (version != null)
{
version = "v" + version.Replace('.', '_');
int pos = file.Package.IndexOf('.');
file.Package = pos == -1 ?
file.Package + '.' + version :
file.Package.Substring(0, pos) + '.' + version + file.Package.Substring(pos);
}
base.WriteFileHeader(ctx, file, ref state);
}