private static (QuadTopology, Vector3[]) ApplyHdMorph(HdMorph hdMorph, QuadTopology controlTopology, Vector3[] controlPositions, Refinement refinement)
{
var applier = HdMorphApplier.Make(controlTopology, controlPositions);
var topology = controlTopology;
var positions = controlPositions;
for (int levelIdx = 1; levelIdx <= hdMorph.MaxLevel; ++levelIdx)
{
topology = refinement.GetTopology(levelIdx);
positions = refinement.Refine(levelIdx, positions);
applier.Apply(hdMorph, 1, levelIdx, topology, positions);
}
return(topology, positions);
}
public NormalMapRenderer MakeNormalMapRenderer(ChannelInputs ldChannelInputs, ChannelInputs hdChannelInputs, UvSet uvSet)
{
var ldChannelOutputs = figure.Evaluate(null, ldChannelInputs);
var hdChannelOutputs = figure.Evaluate(null, hdChannelInputs);
var ldControlPositions = figure.Geometry.VertexPositions.Select(p => p).ToArray();
figure.Morpher.Apply(ldChannelOutputs, ldControlPositions);
var hdControlPositions = figure.Geometry.VertexPositions.Select(p => p).ToArray();
figure.Morpher.Apply(hdChannelOutputs, hdControlPositions);
var activeHdMorphs = figure.Morpher.LoadActiveHdMorphs(hdChannelOutputs);
int maxLevel = activeHdMorphs.Max(morph => morph.Morph.MaxLevel) + ExtraRefinementLevels;
var controlTopology = new QuadTopology(figure.Geometry.VertexCount, figure.Geometry.Faces);
var applier = HdMorphApplier.Make(controlTopology, hdControlPositions);
var controlUvTopology = new QuadTopology(uvSet.Uvs.Length, uvSet.Faces);
var controlUvs = uvSet.Uvs;
var refinement = new Refinement(controlTopology, maxLevel);
var uvRefinement = new Refinement(controlUvTopology, maxLevel, BoundaryInterpolation.EdgeAndCorner);
var topology = controlTopology;
var ldPositions = ldControlPositions;
var hdPositions = hdControlPositions;
var uvTopology = controlUvTopology;
var uvs = controlUvs;
var texturedLdPositions = ExtractTexturedPositions(topology, uvTopology, ldPositions);
for (int levelIdx = 1; levelIdx <= maxLevel; ++levelIdx)
{
topology = refinement.GetTopology(levelIdx);
ldPositions = refinement.Refine(levelIdx, ldPositions);
hdPositions = refinement.Refine(levelIdx, hdPositions);
foreach (var activeHdMorph in activeHdMorphs)
{
applier.Apply(activeHdMorph.Morph, activeHdMorph.Weight, levelIdx, topology, hdPositions);
}
uvTopology = uvRefinement.GetTopology(levelIdx);
uvs = uvRefinement.Refine(levelIdx, uvs);
texturedLdPositions = uvRefinement.Refine(levelIdx, texturedLdPositions);
}
var ldLimit = refinement.Limit(ldPositions);
var hdLimit = refinement.Limit(hdPositions);
var uvLimit = uvRefinement.Limit(uvs);
var texturedLdLimit = uvRefinement.Limit(texturedLdPositions);
int[] faceMap = refinement.GetFaceMap();
refinement.Dispose();
uvRefinement.Dispose();
var hdNormals = CalculateNormals(hdLimit);
var ldNormals = CalculateNormals(ldLimit);
var ldTangents = CalculateTangents(uvLimit, texturedLdLimit);
int[] controlSurfaceMap = figure.Geometry.SurfaceMap;
int[] surfaceMap = faceMap
.Select(controlFaceIdx => controlSurfaceMap[controlFaceIdx])
.ToArray();
var renderer = new NormalMapRenderer(device, shaderCache, hdNormals, ldNormals, topology.Faces, uvLimit.values, ldTangents, uvTopology.Faces, surfaceMap);
return(renderer);
}