/// <summary>
/// Create new replay for a specific track number.
/// </summary>
/// <param name="setTrackNum">Set track number</param>
public Replay(int setTrackNum, bool createNew, Track track)
{
trackNum = setTrackNum;
// if creating new, we're done
if (createNew == true)
{
return;
}
bool replayFileFound = false;
FileHelper.StorageContainerMRE.WaitOne();
FileHelper.StorageContainerMRE.Reset();
try
{
StorageDevice storageDevice = FileHelper.XnaUserDevice;
if ((storageDevice != null) && storageDevice.IsConnected)
{
using (StorageContainer container =
Storage.OpenContainer(storageDevice, "RacingGame"))
{
if (container.FileExists(ReplayFilenames[trackNum]))
{
replayFileFound = true;
using (Stream stream = container.OpenFile(ReplayFilenames[trackNum],
FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
using (BinaryReader reader = new BinaryReader(stream))
{
// Load total lap time
lapTime = reader.ReadSingle();
// Load matrix values
int numOfMatrixValues = reader.ReadInt32();
for (int num = 0; num < numOfMatrixValues; num++)
{
trackMatrixValues.Add(
FileHelper.ReadMatrix(reader));
}
// Load checkpoint times
int numOfCheckpointTimes = reader.ReadInt32();
for (int num = 0; num < numOfCheckpointTimes; num++)
{
checkpointTimes.Add(reader.ReadSingle());
}
}
}
}
}
}
}
catch (Exception exc)
{
#if WINDOWS
System.Diagnostics.Trace.WriteLine("Settings Load Failure: " + exc.ToString());
#endif
}
FileHelper.StorageContainerMRE.Set();
// Load if possible
if (!replayFileFound && File.Exists(Path.Combine(
Directories.ContentDirectory, ReplayFilenames[trackNum])))
{
using (Stream stream = TitleContainer.OpenStream(
"Content\\" + ReplayFilenames[trackNum]))
{
using (BinaryReader reader = new BinaryReader(stream))
{
// Load total lap time
lapTime = reader.ReadSingle();
// Load matrix values
int numOfMatrixValues = reader.ReadInt32();
for (int num = 0; num < numOfMatrixValues; num++)
{
trackMatrixValues.Add(
FileHelper.ReadMatrix(reader));
}
// Load checkpoint times
int numOfCheckpointTimes = reader.ReadInt32();
for (int num = 0; num < numOfCheckpointTimes; num++)
{
checkpointTimes.Add(reader.ReadSingle());
}
}
}
}
if (!replayFileFound)
{
// Create new default replay for this track!
// Get all track positions based on the current top highscore time!
lapTime = Highscores.GetTopLapTime(trackNum);
int numOfMatrixValues = 1 + (int)(lapTime / TrackMatrixIntervals);
float lastTrackPos = 0.0f;
int oldTrackSegmentNumber = 0;
// Go twice as long and abort when we reach the finish line!
for (int num = 0; num < numOfMatrixValues * 2; num++)
{
// See Landscape.TestRenderLandscape for more details.
float carTrackPos = 0.00001f +
((float)num / (float)(numOfMatrixValues - 1));// *
//not needed, scaled in GetTrackPositionMatrix: track.Length;
float difference = carTrackPos - lastTrackPos;
carTrackPos = lastTrackPos + difference * 0.1f;
lastTrackPos = carTrackPos;
float roadWidth, nextRoadWidth;
Matrix carMatrix =
track.GetTrackPositionMatrix(carTrackPos,
out roadWidth, out nextRoadWidth);
// Store
trackMatrixValues.Add(carMatrix);
// Also check if we passed a checkpoint
int trackSegmentNumber =
(int)(carTrackPos * track.NumberOfSegments);
// Segment changed
if (trackSegmentNumber != oldTrackSegmentNumber)
{
// Check if we passed a checkpoint.
for (int checkpointNum = 0; checkpointNum < track.
CheckpointSegmentPositions.Count; checkpointNum++)
{
// We have to check if we are between the old
// and the current track segement numbers, we
// might skip one or two in 200ms.
if (track.CheckpointSegmentPositions[checkpointNum] >
oldTrackSegmentNumber &&
track.CheckpointSegmentPositions[checkpointNum] <=
trackSegmentNumber)
{
// We passed that checkpoint, add the simulated time
checkpointTimes.Add(
lapTime * (float)num / (float)(numOfMatrixValues - 1));
break;
}
}
}
oldTrackSegmentNumber = trackSegmentNumber;
// Reached finish?
if (carTrackPos >= 1.0f)
{
// Then abort, do not add more.
break;
}
}
// Add the final checkpoint for the laptime
checkpointTimes.Add(lapTime);
}
}