public void Dump(string name, UvSet uvSet)
{
DirectoryInfo uvSetDirectory = uvSetsDirectory.Subdirectory(name);
if (uvSetDirectory.Exists)
{
return;
}
Console.WriteLine($"Dumping uv-set {name}...");
MultisurfaceQuadTopology spatialTopology = figure.Geometry.AsTopology();
MultisurfaceQuadTopology texturedControlTopology = ExtractTexturedTopology(spatialTopology, uvSet);
var texturedRefinementResult = texturedControlTopology.Refine(surfaceProperties.SubdivisionLevel);
var texturedTopology = texturedRefinementResult.Mesh.Topology;
var texturedTopologyInfo = texturedRefinementResult.TopologyInfo;
var derivStencils = texturedRefinementResult.Mesh.Stencils;
var stencils = derivStencils.Map(stencil => new WeightedIndex(stencil.Index, stencil.Weight));
var duStencils = derivStencils.Map(stencil => new WeightedIndex(stencil.Index, stencil.DuWeight));
var dvStencils = derivStencils.Map(stencil => new WeightedIndex(stencil.Index, stencil.DvWeight));
Vector2[] controlTextureCoords = uvSet.Uvs;
Vector2[] textureCoords = new Subdivider(stencils).Refine(controlTextureCoords, new Vector2Operators());
Vector2[] textureCoordDus = new Subdivider(duStencils).Refine(controlTextureCoords, new Vector2Operators());
Vector2[] textureCoordDvs = new Subdivider(dvStencils).Refine(controlTextureCoords, new Vector2Operators());
int[] spatialIdxMap = CalculateTextureToSpatialIndexMap(texturedTopology, spatialFaces);
TexturedVertexInfo[] texturedVertexInfos = Enumerable.Range(0, textureCoords.Length)
.Select(idx => {
int spatialVertexIdx = spatialIdxMap[idx];
Vector2 textureCoord = textureCoords[idx];
Vector2 du = textureCoordDus[idx];
Vector2 dv = textureCoordDvs[idx];
List <int> spatialNeighbours = spatialTopologyInfo.AdjacentVertices.GetElements(spatialVertexIdx).ToList();
var spatialVertexRule = spatialTopologyInfo.VertexRules[spatialVertexIdx];
List <int> neighbours = texturedTopologyInfo.AdjacentVertices.GetElements(idx).Select(i => spatialIdxMap[i]).ToList();
var vertexRule = texturedTopologyInfo.VertexRules[idx];
Tuple <Vector2, Vector2> remappedTangents = RemapTangents(spatialNeighbours, spatialVertexRule, neighbours, vertexRule, du, dv);
return(new TexturedVertexInfo(
spatialVertexIdx,
textureCoord,
remappedTangents.Item1,
remappedTangents.Item2));
})
.ToArray();
uvSetDirectory.CreateWithParents();
uvSetDirectory.File("textured-faces.array").WriteArray(texturedTopology.Faces);
uvSetDirectory.File("textured-vertex-infos.array").WriteArray(texturedVertexInfos);
}
private MultisurfaceQuadTopology ExtractTexturedTopology(MultisurfaceQuadTopology spatialTopology, UvSet uvSet)
{
Quad[] texuredFaces = uvSet.Faces;
int texturedVertexCount = uvSet.Uvs.Length;
return(new MultisurfaceQuadTopology(
spatialTopology.Type,
texturedVertexCount,
spatialTopology.SurfaceCount,
texuredFaces,
spatialTopology.SurfaceMap));
}
private void DumpRefinementLevel(int level)
{
var targetDirectory = refinementDirectory.Subdirectory("level-" + level);
if (targetDirectory.Exists)
{
return;
}
Console.WriteLine("Dumping refined geometry level {0}...", level);
MultisurfaceQuadTopology topology = figure.Geometry.AsTopology();
var refinementResult = topology.Refine(level);
targetDirectory.Create();
SubdivisionMeshPersistance.Save(targetDirectory, refinementResult.Mesh);
targetDirectory.File("control-face-map.array").WriteArray(refinementResult.ControlFaceMap);
}
