for( i = 0; i < header->num_joints; i++, joint++ ) {
        float baseFrame[12], invBaseFrame[12];

        JointToMatrix( joint->rotate, joint->scale, joint->translate, baseFrame );
        Matrix34Invert( baseFrame, invBaseFrame );

        if ( joint->parent >= 0 )
        {
            Matrix34Multiply( jointMats + 2 * 12 * joint->parent, baseFrame, mat );
            mat += 12;
            Matrix34Multiply( invBaseFrame, jointMats + 2 * 12 * joint->parent + 12, mat );
            mat += 12;
        }
        else
        {
            Com_Memcpy( mat, baseFrame,    sizeof(baseFrame)    );
            mat += 12;
            Com_Memcpy( mat, invBaseFrame, sizeof(invBaseFrame) );
            mat += 12;
        }
    }