private static void AddQuad(
RawPrimitive Into,
ExtendedVertex[] Verticies,
short[] Indicies)
{
Into.AddOffsetIndicies(Indicies, Into.VertexCount, 6);
for (var vertex = 0; vertex < 4; ++vertex)
{
Into.AddVertex(Verticies[vertex]);
}
}
private void AddScaffoldGeometry(Matrix transform, Vector4 sideBounds, Vector2[] sideUvs, float HeightOffset, bool FlipTexture)
{
var uvDelta = sideUvs[1].X - sideUvs[0].X;
if (Library.GetRailPiece(Piece.RailPiece).HasValue(out var rawPiece))
{
foreach (var railSpline in rawPiece.RailSplines)
{
var uvStep = 1.0f / (railSpline.Count - 1);
for (var i = 1; i < railSpline.Count; ++i)
{
var baseIndex = Primitive.VertexCount;
Primitive.AddVertex(new ExtendedVertex(Vector3.Transform(new Vector3(railSpline[i - 1].X, HeightOffset + 1.0f, railSpline[i - 1].Y), transform), Color.White, Color.White,
FlipTexture ? new Vector2(sideUvs[0].X + uvDelta - uvDelta * (uvStep * (i - 1)), sideUvs[0].Y) :
new Vector2(sideUvs[0].X + uvDelta * (uvStep * (i - 1)), sideUvs[0].Y),
sideBounds));
Primitive.AddVertex(new ExtendedVertex(Vector3.Transform(new Vector3(railSpline[i].X, HeightOffset + 1.0f, railSpline[i].Y), transform), Color.White, Color.White,
FlipTexture ? new Vector2(sideUvs[0].X + uvDelta - uvDelta * (uvStep * i), sideUvs[0].Y) :
new Vector2(sideUvs[0].X + uvDelta * (uvStep * i), sideUvs[0].Y),
sideBounds));
Primitive.AddVertex(new ExtendedVertex(Vector3.Transform(new Vector3(railSpline[i].X, HeightOffset, railSpline[i].Y), transform), Color.White, Color.White,
FlipTexture ? new Vector2(sideUvs[0].X + uvDelta - uvDelta * (uvStep * i), sideUvs[2].Y) :
new Vector2(sideUvs[0].X + uvDelta * (uvStep * i), sideUvs[2].Y),
sideBounds));
Primitive.AddVertex(new ExtendedVertex(Vector3.Transform(new Vector3(railSpline[i - 1].X, HeightOffset, railSpline[i - 1].Y), transform), Color.White, Color.White,
FlipTexture ? new Vector2(sideUvs[0].X + uvDelta - uvDelta * (uvStep * (i - 1)), sideUvs[2].Y) :
new Vector2(sideUvs[0].X + uvDelta * (uvStep * (i - 1)), sideUvs[2].Y),
sideBounds));
Primitive.AddOffsetIndicies(new short[] { 0, 1, 3, 1, 2, 3 }, baseIndex);
}
}
}
}