if (bone.getParent() == null && (space == Space.CONSTRAINT_SPACE_LOCAL || space == Space.CONSTRAINT_SPACE_PARLOCAL)) {
space = Space.CONSTRAINT_SPACE_POSE;
}
TempVars tempVars = TempVars.get();// use readable names of the matrices so that the code is more clear
Transform result;
switch (space) {
case CONSTRAINT_SPACE_WORLD:
Spatial model = (Spatial) blenderContext.getLoadedFeature(targetBoneContext.getSkeletonOwnerOma(), LoadedFeatureDataType.LOADED_FEATURE);
Matrix4f boneModelMatrix = this.toMatrix(bone.getModelSpacePosition(), bone.getModelSpaceRotation(), bone.getModelSpaceScale(), tempVars.tempMat4);
Matrix4f modelWorldMatrix = this.toMatrix(model.getWorldTransform(), tempVars.tempMat42);
Matrix4f boneMatrixInWorldSpace = modelWorldMatrix.multLocal(boneModelMatrix);
result = new Transform(boneMatrixInWorldSpace.toTranslationVector(), boneMatrixInWorldSpace.toRotationQuat(), boneMatrixInWorldSpace.toScaleVector());
break;
case CONSTRAINT_SPACE_LOCAL:
assert bone.getParent() != null : "CONSTRAINT_SPACE_LOCAL should be evaluated as CONSTRAINT_SPACE_POSE if the bone has no parent!";
result = new Transform(bone.getLocalPosition(), bone.getLocalRotation(), bone.getLocalScale());
break;
case CONSTRAINT_SPACE_POSE: {
Matrix4f boneWorldMatrix = this.toMatrix(this.getTransform(oma, subtargetName, Space.CONSTRAINT_SPACE_WORLD), tempVars.tempMat4);
Matrix4f armatureInvertedWorldMatrix = this.toMatrix(feature.getWorldTransform(), tempVars.tempMat42).invertLocal();
Matrix4f bonePoseMatrix = armatureInvertedWorldMatrix.multLocal(boneWorldMatrix);
result = new Transform(bonePoseMatrix.toTranslationVector(), bonePoseMatrix.toRotationQuat(), bonePoseMatrix.toScaleVector());
break;
}
case CONSTRAINT_SPACE_PARLOCAL: {
Matrix4f boneWorldMatrix = this.toMatrix(this.getTransform(oma, subtargetName, Space.CONSTRAINT_SPACE_WORLD), tempVars.tempMat4);
Matrix4f armatureInvertedWorldMatrix = this.toMatrix(feature.getWorldTransform(), tempVars.tempMat42).invertLocal();
Matrix4f bonePoseMatrix = armatureInvertedWorldMatrix.multLocal(boneWorldMatrix);
result = new Transform(bonePoseMatrix.toTranslationVector(), bonePoseMatrix.toRotationQuat(), bonePoseMatrix.toScaleVector());
Bone parent = bone.getParent();
if(parent != null) {
BoneContext parentContext = blenderContext.getBoneContext(parent);
Vector3f head = parent.getModelSpacePosition();
Vector3f tail = head.add(bone.getModelSpaceRotation().mult(Vector3f.UNIT_Y.mult(parentContext.getLength())));
result.getTranslation().subtractLocal(tail);
}
break;
}
default: