internal static int GetArgumentCountForCommand(byte command, TrackSectionCommandOptions options)
{
if (command == 0xc5)
{
return(options.Command0xC5Length);
}
return(ArgumentCount[command]);
}
public static TrackSectionReadingResult Read(BinaryReader reader, int startPosition, TrackSectionCommandOptions options)
{
var sections = new List <TrackSection>();
reader.BaseStream.Position = startPosition;
var currentSection = new TrackSection();
while (true)
{
byte byte1 = reader.ReadByte();
byte byte2 = reader.ReadByte();
if (byte1 == 255 && byte2 == 255)
{
if (currentSection.Commands.Count > 0)
{
// section with length 0, but has commands
sections.Add(currentSection);
}
break;
}
if (byte2 > 0)
{
// is command
var argCount = TrackSectionCommandFactory.GetArgumentCountForCommand(byte2, options);
short[] arguments = new short[argCount];
arguments[0] = byte1;
for (int i = 1; i < argCount; i++)
{
arguments[i] = reader.ReadInt16();
}
currentSection.Commands.Add(TrackSectionCommandFactory.Get(byte2, arguments));
continue;
}
// section
currentSection.Length = byte1;
currentSection.Curvature = reader.ReadInt16();
currentSection.Height = reader.ReadInt16();
currentSection.Flags = reader.ReadInt16();
currentSection.RightVergeWidth = reader.ReadByte();
currentSection.LeftVergeWidth = reader.ReadByte();
sections.Add(currentSection);
currentSection = new TrackSection();
}
int position = (int)reader.BaseStream.Position;
return(new TrackSectionReadingResult(position, sections));
}
