public PrimitiveData(VertexShaderDesc info, IEnumerable <Vertex> points, EPrimitiveType type)
{
_bufferInfo = info;
_type = type;
_influences = null;
List <Vertex> vertices = points.ToList();
Remapper remapper = null;
switch (_type)
{
case EPrimitiveType.Triangles:
remapper = SetTriangleIndices(vertices);
break;
case EPrimitiveType.Lines:
remapper = SetLineIndices(vertices);
break;
default:
//case EPrimitiveType.Points:
remapper = SetPointIndices(vertices);
break;
}
int[] firstAppearanceArray = null;
if (remapper == null)
{
firstAppearanceArray = new int[vertices.Count];
for (int i = 0; i < vertices.Count; ++i)
{
firstAppearanceArray[i] = i;
}
}
else
{
firstAppearanceArray = remapper.ImplementationTable;
}
CreateFacePoints(firstAppearanceArray.Length);
if (info.HasSkinning)
{
SetInfluences(firstAppearanceArray.Select(x => vertices[x].Influence).ToArray());
}
for (int i = 0; i < info.MorphCount + 1; ++i)
{
var data = firstAppearanceArray.Select(x => vertices[x].Position).ToList();
AddBuffer(data, EBufferType.Position);
}
if (info.HasNormals)
{
for (int i = 0; i < info.MorphCount + 1; ++i)
{
var data = firstAppearanceArray.Select(x => vertices[x].Normal).ToList();
AddBuffer(data, EBufferType.Normal);
}
}
if (info.HasBinormals)
{
for (int i = 0; i < info.MorphCount + 1; ++i)
{
var data = firstAppearanceArray.Select(x => vertices[x].Binormal).ToList();
AddBuffer(data, EBufferType.Binormal);
}
}
if (info.HasTangents)
{
for (int i = 0; i < info.MorphCount + 1; ++i)
{
var data = firstAppearanceArray.Select(x => vertices[x].Tangent).ToList();
AddBuffer(data, EBufferType.Tangent);
}
}
for (int i = 0; i < info.ColorCount; ++i)
{
var data = firstAppearanceArray.Select(x => vertices[x].Color).ToList();
AddBuffer(data, EBufferType.Color);
}
for (int i = 0; i < info.TexcoordCount; ++i)
{
var data = firstAppearanceArray.Select(x => vertices[x].TexCoord).ToList();
AddBuffer(data, EBufferType.TexCoord);
}
}
public static PrimitiveData FromQuads(VertexShaderDesc info, params VertexQuad[] quads) => FromQuadList(info, quads);
public static PrimitiveData FromLineList(VertexShaderDesc info, IEnumerable <VertexLine> lines) => new PrimitiveData(info, lines.SelectMany(x => x.Vertices), EPrimitiveType.Lines);
public static PrimitiveData FromPointList(IEnumerable <Vec3> points) => new PrimitiveData(VertexShaderDesc.JustPositions(), points.Select(x => new Vertex(x)), EPrimitiveType.Points);
public static PrimitiveData FromLineStripList(VertexShaderDesc info, IEnumerable <VertexLineStrip> lines) => FromLineList(info, lines.SelectMany(x => x.ToLines()));
public static PrimitiveData FromLines(VertexShaderDesc info, params VertexLine[] lines) => FromLineList(info, lines);
public static PrimitiveData FromTriangles(VertexShaderDesc info, params VertexTriangle[] triangles) => FromTriangleList(info, triangles);
public static PrimitiveData FromTriangleList(VertexShaderDesc info, IEnumerable <VertexTriangle> triangles)
{
//TODO: convert triangles to tristrips and use primitive restart to render them all in one call
return(new PrimitiveData(info, triangles.SelectMany(x => x.Vertices), EPrimitiveType.Triangles));
}
public static PrimitiveData FromTriangleFanList(VertexShaderDesc info, IEnumerable <VertexTriangleFan> fans) => FromTriangleList(info, fans.SelectMany(x => x.ToTriangles()));
public static PrimitiveData FromTriangleFans(VertexShaderDesc info, params VertexTriangleFan[] fans) => FromTriangleFanList(info, fans);
public static PrimitiveData FromTriangleStripList(VertexShaderDesc info, IEnumerable <VertexTriangleStrip> strips) => FromTriangleList(info, strips.SelectMany(x => x.ToTriangles()));
public static PrimitiveData FromTriangleStrips(VertexShaderDesc info, params VertexTriangleStrip[] strips) => FromTriangleStripList(info, strips);
public static PrimitiveData FromQuadList(VertexShaderDesc info, IEnumerable <VertexQuad> quads) => FromTriangleList(info, quads.SelectMany(x => x.ToTriangles()));