private float[][] ConvertVertexWeights(List<odfVertex> vertexList, odfBoneList boneList)
{
int numBones = boneList != null ? boneList.Count : 0;
float[][] vertexWeights = new float[vertexList.Count][];
for (int j = 0; j < vertexList.Count; j++)
{
vertexWeights[j] = new float[4];
int weightIdx = 0;
for (int k = 0; k < numBones; k++)
{
odfBone bone = boneList[k];
for (int l = 0; l < bone.NumberIndices; l++)
{
if (bone.VertexIndexArray[l] == j)
{
vertexList[j].BoneIndices[weightIdx] = (byte)k;
if (weightIdx < 3)
{
vertexWeights[j][weightIdx++] = bone.WeightArray[l];
}
else
{
vertexWeights[j][3] = 1f - vertexWeights[j][0] - vertexWeights[j][1] - vertexWeights[j][2];
}
break;
}
}
}
}
return vertexWeights;
}
public static odfBoneList CreateBoneList(ObjectID id, ObjectID meshFrameId, odfSubmesh submesh, List<ImportedBone> boneList, Matrix lMeshMatrixInv, odfFrame rootFrame)
{
if (boneList == null || boneList.Count == 0)
return null;
Dictionary<byte, Tuple<byte, odfBone>> boneDic = new Dictionary<byte, Tuple<byte, odfBone>>(boneList.Count);
Tuple<List<int>, List<float>>[] newBoneListComponents = new Tuple<List<int>, List<float>>[boneList.Count];
int boneframeNotFound = 0;
for (int i = 0; i < submesh.NumVertices; i++)
{
odfVertex vert = submesh.VertexList[i];
for (int j = 0; j < vert.BoneIndices.Length; j++)
{
byte boneIdx = vert.BoneIndices[j];
if (boneIdx == 0xFF)
continue;
Tuple<byte, odfBone> boneDesc;
odfBone newBone;
if (!boneDic.TryGetValue(boneIdx, out boneDesc))
{
odfFrame boneFrame = odf.FindFrame(boneList[boneIdx].Name, rootFrame);
if (boneFrame == null)
{
boneframeNotFound++;
continue;
}
newBone = new odfBone(boneFrame.Id);
newBone.Matrix = boneList[boneIdx].Matrix;
boneDesc = new Tuple<byte, odfBone>((byte)boneDic.Count, newBone);
boneDic.Add(boneIdx, boneDesc);
newBoneListComponents[boneDesc.Item1] = new Tuple<List<int>, List<float>>(new List<int>(200), new List<float>(200));
}
else
newBone = boneDesc.Item2;
byte newBoneIdx = boneDesc.Item1;
List<int> newBoneIdxList = newBoneListComponents[newBoneIdx].Item1;
newBoneIdxList.Add(i);
List<float> newBoneWeightList = newBoneListComponents[newBoneIdx].Item2;
newBoneWeightList.Add(vert.Weights[j]);
}
}
if (boneDic.Count == 0)
{
Report.ReportLog(submesh.ToString() + ": all bones dropped because of missing skeleton.");
return null;
}
odfBoneList newBoneList = new odfBoneList(new ObjectName(String.Empty, null), id, boneDic.Count);
newBoneList.MeshFrameId = meshFrameId;
newBoneList.SubmeshId = submesh.Id;
newBoneList.AlwaysZero4 = new byte[4];
foreach (Tuple<byte, odfBone> boneDesc in boneDic.Values)
{
byte newBoneIdx = boneDesc.Item1;
List<int> newBoneIdxList = newBoneListComponents[newBoneIdx].Item1;
List<float> newBoneWeightList = newBoneListComponents[newBoneIdx].Item2;
odfBone newBone = boneDesc.Item2;
newBone.AlwaysZero24perIndex = new byte[24 * newBoneIdxList.Count];
newBone.VertexIndexArray = newBoneIdxList.ToArray();
newBone.WeightArray = newBoneWeightList.ToArray();
Matrix lMatrix = Matrix.Invert(newBone.Matrix);
newBone.Matrix = Matrix.Invert(lMatrix * lMeshMatrixInv);
newBoneList.AddChild(newBone);
}
if (boneframeNotFound > 0)
Report.ReportLog(submesh.ToString() + ": " + boneframeNotFound + " bone(s) because of missing boneframe(s) dropped.");
return newBoneList;
}
