public static Segment FromString(string segmentString)
{
Segment returnSegment = new Segment();
string[] parts = segmentString.Split(',');
returnSegment.Position.X = float.Parse(parts[0]);
returnSegment.Position.Y = float.Parse(parts[1]);
returnSegment.Position.Z = float.Parse(parts[2]);
returnSegment.Normal.X = float.Parse(parts[3]);
returnSegment.Normal.Y = float.Parse(parts[4]);
returnSegment.Normal.Z = float.Parse(parts[5]);
returnSegment.Offset.X = float.Parse(parts[6]);
returnSegment.Offset.Y = float.Parse(parts[7]);
returnSegment.Offset.Z = float.Parse(parts[8]);
returnSegment.Size.X = float.Parse(parts[9]);
returnSegment.Size.Y = float.Parse(parts[10]);
returnSegment.TextureName = parts[11];
returnSegment.Tint.X = float.Parse(parts[12]);
returnSegment.Tint.Y = float.Parse(parts[13]);
returnSegment.Tint.Z = float.Parse(parts[14]);
returnSegment.TrackSurface = (SurfaceType)int.Parse(parts[15]); ;
returnSegment.AboveOffset.X = float.Parse(parts[16]);
returnSegment.AboveOffset.Y = float.Parse(parts[17]);
returnSegment.AboveOffset.Z = float.Parse(parts[18]);
returnSegment.AboveSize.X = float.Parse(parts[19]);
returnSegment.AboveSize.Y = float.Parse(parts[20]);
returnSegment.AboveTextureName = parts[21];
returnSegment.AboveTint.X = float.Parse(parts[22]);
returnSegment.AboveTint.Y = float.Parse(parts[23]);
returnSegment.AboveTint.Z = float.Parse(parts[24]);
returnSegment.LeftOffset.X = float.Parse(parts[25]);
returnSegment.LeftOffset.Y = float.Parse(parts[26]);
returnSegment.LeftOffset.Z = float.Parse(parts[27]);
returnSegment.LeftSize.X = float.Parse(parts[28]);
returnSegment.LeftSize.Y = float.Parse(parts[29]);
returnSegment.LeftTextureName = parts[30];
returnSegment.LeftTint.X = float.Parse(parts[31]);
returnSegment.LeftTint.Y = float.Parse(parts[32]);
returnSegment.LeftTint.Z = float.Parse(parts[33]);
returnSegment.LeftScenery = (SceneryType)int.Parse(parts[34]);
returnSegment.RightOffset.X = float.Parse(parts[35]);
returnSegment.RightOffset.Y = float.Parse(parts[36]);
returnSegment.RightOffset.Z = float.Parse(parts[37]);
returnSegment.RightSize.X = float.Parse(parts[38]);
returnSegment.RightSize.Y = float.Parse(parts[39]);
returnSegment.RightTextureName = parts[40];
returnSegment.RightTint.X = float.Parse(parts[41]);
returnSegment.RightTint.Y = float.Parse(parts[42]);
returnSegment.RightTint.Z = float.Parse(parts[43]);
returnSegment.RightScenery = (SceneryType)int.Parse(parts[44]);
return returnSegment;
}
public void Rebuild(List<Vector3> controlPoints)
{
TrackSegments.Clear();
for (int num = 0; num < controlPoints.Count; num++)
{
// Get the 4 required points for the catmull rom spline
Vector3 p1 = controlPoints[num - 1 < 0 ? controlPoints.Count - 1 : num - 1];
Vector3 p2 = controlPoints[num];
Vector3 p3 = controlPoints[(num + 1) % controlPoints.Count];
Vector3 p4 = controlPoints[(num + 2) % controlPoints.Count];
// Calculate number of iterations we use here based
// on the distance of the 2 points we generate new points from.
float distance = Vector3.Distance(p2, p3);
int numberOfIterations =
(int)(SEGMENTS_PER100M * (distance / 100.0f));
if (numberOfIterations <= 0)
numberOfIterations = 1;
for (int iter = 0; iter < numberOfIterations; iter++)
{
Vector3 newVertex = Vector3.CatmullRom(p1, p2, p3, p4, iter / (float)numberOfIterations);
Segment s = new Segment();
s.Position = newVertex;
TrackSegments.Add(s);
} // for (iter)
} // for (num)
for (int i = TrackSegments.Count - 1; i >= 0; i--)
{
int pos = i;
int prevpos = i - 1;
if (pos >= TrackSegments.Count) pos = pos - (TrackSegments.Count);
if (prevpos >= TrackSegments.Count) prevpos = prevpos - TrackSegments.Count;
if (prevpos < 0) prevpos = TrackSegments.Count + prevpos;
Vector3 normal = TrackSegments[prevpos].Position - TrackSegments[pos].Position;
normal.Normalize();
TrackSegments[i].Normal = normal;
TrackSegments[i].Paint(i, RoadBrush.Road, AboveBrush.None, SceneryBrush.None, SceneryBrush.None);
}
TrackSegments[0].Paint(0, RoadBrush.Road, AboveBrush.StartGrid, SceneryBrush.None, SceneryBrush.None);
Length = TrackSegments.Count;
}