public static SkinBindingRecipe Merge(FigureRecipeMerger.Reindexer reindexer, SkinBindingRecipe parentSkinBinding, SkinBindingRecipe[] childSkinBindings)
{
List <string> mergedBones = new List <string>(parentSkinBinding.BoneNames);
Dictionary <string, int> mergedBonesIndicesByName = Enumerable.Range(0, mergedBones.Count)
.ToDictionary(idx => mergedBones[idx], idx => idx);
PackedLists <BoneWeight> mergedBoneWeights = parentSkinBinding.BoneWeights;
foreach (SkinBindingRecipe childSkinBinding in childSkinBindings)
{
var remappedChildBoneWeights = childSkinBinding.BoneWeights
.Map(boneWeight => {
string boneName = childSkinBinding.BoneNames[boneWeight.Index];
if (!mergedBonesIndicesByName.TryGetValue(boneName, out int mergedBoneIdx))
{
mergedBoneIdx = mergedBones.Count;
mergedBonesIndicesByName[boneName] = mergedBoneIdx;
mergedBones.Add(boneName);
}
return(new BoneWeight(mergedBoneIdx, boneWeight.Weight));
});
mergedBoneWeights = PackedLists <BoneWeight> .Concat(mergedBoneWeights, remappedChildBoneWeights);
}
return(new SkinBindingRecipe {
BoneNames = mergedBones.ToArray(),
BoneWeights = mergedBoneWeights,
FaceGroupToNodeMap = parentSkinBinding.FaceGroupToNodeMap
});
}
public static SubdivisionMesh Combine(SubdivisionMesh meshA, SubdivisionMesh meshB)
{
int offset = meshA.ControlVertexCount;
return(new SubdivisionMesh(
meshA.ControlVertexCount + meshB.ControlVertexCount,
QuadTopology.Combine(meshA.Topology, meshB.Topology),
PackedLists <WeightedIndexWithDerivatives> .Concat(
meshA.Stencils,
meshB.Stencils.Map(w => w.Reindex(offset)))));
}
public static SubdivisionTopologyInfo Combine(SubdivisionTopologyInfo infoA, SubdivisionTopologyInfo infoB)
{
int offset = infoA.VertexRules.Length;
PackedLists <int> combinedAdjancentVertices = PackedLists <int> .Concat(
infoA.AdjacentVertices,
infoB.AdjacentVertices.Map(neighbourIdx => neighbourIdx + offset));
VertexRule[] combinedVertexRules = Enumerable.Concat(infoA.VertexRules, infoB.VertexRules).ToArray();
return(new SubdivisionTopologyInfo(combinedAdjancentVertices, combinedVertexRules));
}
