public void MontrealOffsetsReader()
{
var trackData = TrackFactsHelper.GetTrackMontreal();
using (var reader = new BinaryReader(MemoryStreamProvider.Open(trackData.Path)))
{
var offsets = OffsetReader.Read(reader);
offsets.UnknownLong1.Should().Be(trackData.KnownOffsets.UnknownLong1);
offsets.UnknownLong2.Should().Be(trackData.KnownOffsets.UnknownLong2);
offsets.ChecksumPosition.Should().Be(trackData.KnownOffsets.ChecksumPosition);
offsets.ObjectData.Should().Be(trackData.KnownOffsets.ObjectData);
offsets.TrackData.Should().Be(trackData.KnownOffsets.TrackData);
offsets.PitLaneData.Should().Be(trackData.KnownOffsets.PitLaneData);
}
}
/// <summary>
/// Reads the track file at the specified path and returns a Track object.
/// </summary>
/// <param name="path">Path to GP2 track file.</param>
/// <returns>Track object.</returns>
public Track Read(string path)
{
var track = new Track();
using (var reader = new BinaryReader(StreamProvider(path)))
{
track.Offsets = OffsetReader.Read(reader);
track.ObjectShapes = ObjectShapesReader.Read(reader, track.Offsets.ObjectData);
track.ObjectSettings = TrackObjectSettingsReader.Read(reader, track.Offsets.ObjectData, track.Offsets.TrackData);
track.TrackDataHeader = TrackSectionHeaderReader.Read(reader, track.Offsets.TrackData);
var options = new TrackSectionCommandOptions();
options.Command0xC5Length = track.TrackDataHeader.CommandLength0xC5;
var sectionReading = TrackSectionReader.Read(reader, track.Offsets.TrackData + track.TrackDataHeader.GetHeaderLength(), options);
track.TrackSections = sectionReading.TrackSections;
var lines = ComputerCarLineReader.Read(reader, sectionReading.Position);
track.ComputerCarLineHeader = lines.Header;
track.ComputerCarLineSegments = lines.Segments;
var setup = ComputerCarDataReader.Read(reader, track.Offsets.ComputerCarSetup);
track.ComputerCarSetup = setup.Setup;
var pitlaneResult = TrackSectionReader.Read(reader, track.Offsets.PitLaneData, options);
track.PitLaneSections = pitlaneResult.TrackSections;
reader.BaseStream.Position = pitlaneResult.Position;
// read until 0xFF 0xFF, i.e. skip camera definitions
bool previousWas255 = false;
while (true)
{
byte byte1 = reader.ReadByte();
if (byte1 == 0xFF)
{
if (previousWas255)
{
break;
}
previousWas255 = true;
}
else
{
previousWas255 = false;
}
}
var posBefore = reader.BaseStream.Position;
var behavior = ComputerCarBehaviorReader.Read(reader, (int)reader.BaseStream.Position);
track.ComputerCarBehavior = behavior;
reader.BaseStream.Position = posBefore;
var settings = TrackSettingsReader.Read(reader, (int)reader.BaseStream.Position);
track.TrackSettings = settings;
return(track);
}
}
