AnimSkeleton::AnimSkeleton(const FBXGeometry& fbxGeometry) {
// convert to std::vector of joints
std::vector<FBXJoint> joints;
joints.reserve(fbxGeometry.joints.size());
for (auto& joint : fbxGeometry.joints) {
joints.push_back(joint);
}
buildSkeletonFromJoints(joints);
}
AnimSkeleton::AnimSkeleton(const HFMModel& hfmModel) {
// convert to std::vector of joints
std::vector<HFMJoint> joints;
joints.reserve(hfmModel.joints.size());
for (auto& joint : hfmModel.joints) {
joints.push_back(joint);
}
buildSkeletonFromJoints(joints, hfmModel.jointRotationOffsets);
// we make a copy of the inverseBindMatrices in order to prevent mutating the model bind pose
// when we are dealing with a joint offset in the model
for (int i = 0; i < (int)hfmModel.meshes.size(); i++) {
const HFMMesh& mesh = hfmModel.meshes.at(i);
std::vector<HFMCluster> dummyClustersList;
for (int j = 0; j < mesh.clusters.size(); j++) {
std::vector<glm::mat4> bindMatrices;
// cast into a non-const reference, so we can mutate the FBXCluster
HFMCluster& cluster = const_cast<HFMCluster&>(mesh.clusters.at(j));
HFMCluster localCluster;
localCluster.jointIndex = cluster.jointIndex;
localCluster.inverseBindMatrix = cluster.inverseBindMatrix;
localCluster.inverseBindTransform.evalFromRawMatrix(localCluster.inverseBindMatrix);
// if we have a joint offset in the fst file then multiply its inverse by the
// model cluster inverse bind matrix
if (hfmModel.jointRotationOffsets.contains(cluster.jointIndex)) {
AnimPose localOffset(hfmModel.jointRotationOffsets[cluster.jointIndex], glm::vec3());
localCluster.inverseBindMatrix = (glm::mat4)localOffset.inverse() * cluster.inverseBindMatrix;
localCluster.inverseBindTransform.evalFromRawMatrix(localCluster.inverseBindMatrix);
}
dummyClustersList.push_back(localCluster);
}
_clusterBindMatrixOriginalValues.push_back(dummyClustersList);
}
}
AnimSkeleton::AnimSkeleton(const std::vector<FBXJoint>& joints) {
buildSkeletonFromJoints(joints);
}
AnimSkeleton::AnimSkeleton(const std::vector<FBXJoint>& joints, const AnimPose& geometryOffset) {
buildSkeletonFromJoints(joints, geometryOffset);
}
AnimSkeleton::AnimSkeleton(const std::vector<HFMJoint>& joints, const QMap<int, glm::quat> jointOffsets) {
buildSkeletonFromJoints(joints, jointOffsets);
}