private void CopyToMesh(TrackRenderData data, Vector3[] positions, Vector2[] uvs, Vector3[] normals, Color[] colors, int[] triangles, int firstVertex, int firstIndex, out int nextIndex, out int nextVertex)
{
int index = data.lastSectorIndex - data.sectorCount;
if (index < 0)
{
index += data.maxSectorCountPerTrack;
}
float halfAlpha = 0.5f / ((float)(data.maxSectorCountPerTrack - data.firstSectorToHide));
Vector3 vector = new Vector3();
Vector3 vector2 = new Vector3();
for (int i = data.sectorCount; i > 0; i--)
{
Vector3 vector3;
Vector3 vector4;
Vector3 vector5;
Vector3 vector6;
float num4;
float num5;
TrackSector sector = data.sectors[index];
this.ComputeSectorVertices(sector, data.sectorCount, i, index, vector, vector2, out num4, out num5, out vector3, out vector4, out vector5, out vector6);
this.CopySectorToMesh(data, vector3, vector4, vector5, vector6, sector.normal, i, positions, uvs, normals, colors, triangles, firstVertex, firstIndex, halfAlpha, num4, num5, sector.rotationCos);
firstVertex += 4;
firstIndex += 6;
index = (index + 1) % data.maxSectorCountPerTrack;
vector = vector3;
vector2 = vector4;
}
nextIndex = firstIndex;
nextVertex = firstVertex;
}
private void CopySectorToMesh(TrackRenderData data, Vector3 v0, Vector3 v1, Vector3 v2, Vector3 v3, Vector3 normal, int indexByOrder, Vector3[] positions, Vector2[] uvs, Vector3[] normals, Color[] colors, int[] triangles, int firstVertex, int firstIndex, float halfAlpha, float startTextureWidth, float endTextureWidth, float rotationCos)
{
positions[firstVertex] = v0;
positions[firstVertex + 1] = v1;
positions[firstVertex + 2] = v2;
positions[firstVertex + 3] = v3;
float y = (indexByOrder - (data.currentPart % data.parts)) * data.texturePart;
float num2 = y - data.texturePart;
float s = Mathf.Sin(Mathf.Acos(rotationCos));
Vector2 vector = new Vector2(0f, num2);
Vector2 vector2 = new Vector2(startTextureWidth, num2);
Vector2 vector3 = new Vector2(0f, y);
Vector2 vector4 = new Vector2(endTextureWidth, y);
this.RotateTextureCoords(ref vector, ref vector2, ref vector3, ref vector4, out uvs[firstVertex], out uvs[firstVertex + 1], out uvs[firstVertex + 2], out uvs[firstVertex + 3], rotationCos, s);
normals[firstVertex] = normal;
normals[firstVertex + 1] = normal;
normals[firstVertex + 2] = normal;
normals[firstVertex + 3] = normal;
float baseAlpha = data.baseAlpha;
float num6 = data.baseAlpha;
if (indexByOrder > data.firstSectorToHide)
{
int num7 = data.maxSectorCountPerTrack - data.firstSectorToHide;
float num9 = 1f - (((float)(indexByOrder - data.firstSectorToHide)) / ((float)num7));
baseAlpha *= num9 + halfAlpha;
num6 *= num9 - halfAlpha;
}
Color color = Color.white * baseAlpha;
Color color2 = Color.white * num6;
colors[firstVertex] = color;
colors[firstVertex + 1] = color;
colors[firstVertex + 2] = color2;
colors[firstVertex + 3] = color2;
triangles[firstIndex] = firstVertex;
triangles[firstIndex + 1] = firstVertex + 1;
triangles[firstIndex + 2] = firstVertex + 2;
triangles[firstIndex + 3] = firstVertex + 3;
triangles[firstIndex + 4] = firstVertex + 2;
triangles[firstIndex + 5] = firstVertex + 1;
}
private void AddSectorToRender(ref TrackRenderData data, Vector3 startPosition, Vector3 startForward, Vector3 endPosition, Vector3 endForward, Vector3 normal, float width, float textureWidth, float rotationCos, bool contiguous)
{
data.lastSectorIndex++;
data.lastSectorIndex = data.lastSectorIndex % data.maxSectorCountPerTrack;
data.sectors[data.lastSectorIndex] = new TrackSector {
startPosition = startPosition,
startForward = startForward,
endPosition = endPosition,
endForward = endForward,
normal = normal,
width = width,
rotationCos = rotationCos,
textureWidth = textureWidth,
contiguous = contiguous
};
data.sectorCount++;
if (data.sectorCount > data.maxSectorCountPerTrack)
{
data.sectorCount = data.maxSectorCountPerTrack;
}
data.currentPart++;
data.currentPart = data.currentPart % data.parts;
}