std::vector<int> AnimSkeleton::lookUpJointIndices(const std::vector<QString>& jointNames) const {
std::vector<int> result;
result.reserve(jointNames.size());
for (auto& name : jointNames) {
int index = nameToJointIndex(name);
if (index == -1) {
qWarning(animation) << "AnimSkeleton::lookUpJointIndices(): could not find bone with name " << name;
}
result.push_back(index);
}
return result;
}
AnimPose AnimSkeleton::getRootAbsoluteBindPoseByChildName(const QString& childName) const {
AnimPose pose = AnimPose::identity;
int jointIndex = nameToJointIndex(childName);
if (jointIndex >= 0) {
int numJoints = (int)(_absoluteBindPoses.size());
if (jointIndex < numJoints) {
int parentIndex = getParentIndex(jointIndex);
while (parentIndex != -1 && parentIndex < numJoints) {
jointIndex = parentIndex;
parentIndex = getParentIndex(jointIndex);
}
pose = _absoluteBindPoses[jointIndex];
}
}
return pose;
}
void AnimSkeleton::buildSkeletonFromJoints(const std::vector<HFMJoint>& joints, const QMap<int, glm::quat> jointOffsets) {
_joints = joints;
_jointsSize = (int)joints.size();
// build a cache of bind poses
// build a chache of default poses
_absoluteDefaultPoses.reserve(_jointsSize);
_relativeDefaultPoses.reserve(_jointsSize);
_relativePreRotationPoses.reserve(_jointsSize);
_relativePostRotationPoses.reserve(_jointsSize);
// iterate over HFMJoints and extract the bind pose information.
for (int i = 0; i < _jointsSize; i++) {
// build pre and post transforms
glm::mat4 preRotationTransform = _joints[i].preTransform * glm::mat4_cast(_joints[i].preRotation);
glm::mat4 postRotationTransform = glm::mat4_cast(_joints[i].postRotation) * _joints[i].postTransform;
_relativePreRotationPoses.push_back(AnimPose(preRotationTransform));
_relativePostRotationPoses.push_back(AnimPose(postRotationTransform));
// build relative and absolute default poses
glm::mat4 relDefaultMat = glm::translate(_joints[i].translation) * preRotationTransform * glm::mat4_cast(_joints[i].rotation) * postRotationTransform;
AnimPose relDefaultPose(relDefaultMat);
int parentIndex = getParentIndex(i);
if (parentIndex >= 0) {
_absoluteDefaultPoses.push_back(_absoluteDefaultPoses[parentIndex] * relDefaultPose);
} else {
_absoluteDefaultPoses.push_back(relDefaultPose);
}
}
for (int k = 0; k < _jointsSize; k++) {
if (jointOffsets.contains(k)) {
AnimPose localOffset(jointOffsets[k], glm::vec3());
_absoluteDefaultPoses[k] = _absoluteDefaultPoses[k] * localOffset;
}
}
// re-compute relative poses
_relativeDefaultPoses = _absoluteDefaultPoses;
convertAbsolutePosesToRelative(_relativeDefaultPoses);
for (int i = 0; i < _jointsSize; i++) {
_jointIndicesByName[_joints[i].name] = i;
}
// build mirror map.
_nonMirroredIndices.clear();
_mirrorMap.reserve(_jointsSize);
for (int i = 0; i < _jointsSize; i++) {
if (_joints[i].name != "Hips" && _joints[i].name != "Spine" &&
_joints[i].name != "Spine1" && _joints[i].name != "Spine2" &&
_joints[i].name != "Neck" && _joints[i].name != "Head" &&
!((_joints[i].name.startsWith("Left") || _joints[i].name.startsWith("Right")) &&
_joints[i].name != "LeftEye" && _joints[i].name != "RightEye")) {
// HACK: we don't want to mirror some joints so we remember their indices
// so we can restore them after a future mirror operation
_nonMirroredIndices.push_back(i);
}
int mirrorJointIndex = -1;
if (_joints[i].name.startsWith("Left")) {
QString mirrorJointName = QString(_joints[i].name).replace(0, 4, "Right");
mirrorJointIndex = nameToJointIndex(mirrorJointName);
} else if (_joints[i].name.startsWith("Right")) {
QString mirrorJointName = QString(_joints[i].name).replace(0, 5, "Left");
mirrorJointIndex = nameToJointIndex(mirrorJointName);
}
if (mirrorJointIndex >= 0) {
_mirrorMap.push_back(mirrorJointIndex);
} else {
_mirrorMap.push_back(i);
}
}
}
void AnimSkeleton::buildSkeletonFromJoints(const std::vector<FBXJoint>& joints) {
_joints = joints;
// build a cache of bind poses
_absoluteBindPoses.reserve(joints.size());
_relativeBindPoses.reserve(joints.size());
// build a chache of default poses
_absoluteDefaultPoses.reserve(joints.size());
_relativeDefaultPoses.reserve(joints.size());
_relativePreRotationPoses.reserve(joints.size());
_relativePostRotationPoses.reserve(joints.size());
// iterate over FBXJoints and extract the bind pose information.
for (int i = 0; i < (int)joints.size(); i++) {
// build pre and post transforms
glm::mat4 preRotationTransform = _joints[i].preTransform * glm::mat4_cast(_joints[i].preRotation);
glm::mat4 postRotationTransform = glm::mat4_cast(_joints[i].postRotation) * _joints[i].postTransform;
_relativePreRotationPoses.push_back(AnimPose(preRotationTransform));
_relativePostRotationPoses.push_back(AnimPose(postRotationTransform));
// build relative and absolute default poses
glm::mat4 relDefaultMat = glm::translate(_joints[i].translation) * preRotationTransform * glm::mat4_cast(_joints[i].rotation) * postRotationTransform;
AnimPose relDefaultPose(relDefaultMat);
_relativeDefaultPoses.push_back(relDefaultPose);
int parentIndex = getParentIndex(i);
if (parentIndex >= 0) {
_absoluteDefaultPoses.push_back(_absoluteDefaultPoses[parentIndex] * relDefaultPose);
} else {
_absoluteDefaultPoses.push_back(relDefaultPose);
}
// build relative and absolute bind poses
if (_joints[i].bindTransformFoundInCluster) {
// Use the FBXJoint::bindTransform, which is absolute model coordinates
// i.e. not relative to it's parent.
AnimPose absoluteBindPose(_joints[i].bindTransform);
_absoluteBindPoses.push_back(absoluteBindPose);
if (parentIndex >= 0) {
AnimPose inverseParentAbsoluteBindPose = _absoluteBindPoses[parentIndex].inverse();
_relativeBindPoses.push_back(inverseParentAbsoluteBindPose * absoluteBindPose);
} else {
_relativeBindPoses.push_back(absoluteBindPose);
}
} else {
// use default transform instead
_relativeBindPoses.push_back(relDefaultPose);
if (parentIndex >= 0) {
_absoluteBindPoses.push_back(_absoluteBindPoses[parentIndex] * relDefaultPose);
} else {
_absoluteBindPoses.push_back(relDefaultPose);
}
}
}
// build mirror map.
_nonMirroredIndices.clear();
_mirrorMap.reserve(_joints.size());
for (int i = 0; i < (int)joints.size(); i++) {
if (_joints[i].name.endsWith("tEye")) {
// HACK: we don't want to mirror some joints so we remember their indices
// so we can restore them after a future mirror operation
_nonMirroredIndices.push_back(i);
}
int mirrorJointIndex = -1;
if (_joints[i].name.startsWith("Left")) {
QString mirrorJointName = QString(_joints[i].name).replace(0, 4, "Right");
mirrorJointIndex = nameToJointIndex(mirrorJointName);
} else if (_joints[i].name.startsWith("Right")) {
QString mirrorJointName = QString(_joints[i].name).replace(0, 5, "Left");
mirrorJointIndex = nameToJointIndex(mirrorJointName);
}
if (mirrorJointIndex >= 0) {
_mirrorMap.push_back(mirrorJointIndex);
} else {
_mirrorMap.push_back(i);
}
}
}
