openmw/components/esm/quaternion.hpp

#ifndef OPENMW_COMPONENTS_ESM_QUATERNION_H
#define OPENMW_COMPONENTS_ESM_QUATERNION_H

#include <osg/Quat>

namespace ESM
{
    // format 0, savegames only
    struct Quaternion
    {
        float mValues[4];

        Quaternion() = default;

        Quaternion(const osg::Quat& q)
            : mValues{
                static_cast<float>(q.w()),
                static_cast<float>(q.x()),
                static_cast<float>(q.y()),
                static_cast<float>(q.z()),
            }
        {
        }

        operator osg::Quat() const { return osg::Quat(mValues[1], mValues[2], mValues[3], mValues[0]); }
    };
}

#endif