openmw-tes3mp/components/terrain/defs.hpp

#ifndef COMPONENTS_TERRAIN_DEFS_HPP
#define COMPONENTS_TERRAIN_DEFS_HPP

namespace Terrain
{

    /// The alignment of the terrain
    enum Alignment
    {
        /// Terrain is in the X/Z plane
        Align_XZ = 0,
        /// Terrain is in the X/Y plane
        Align_XY = 1,
        /// Terrain is in the Y/Z plane.
        /// UNTESTED - use at own risk.
        /// Besides, X as up axis? What is wrong with you? ;)
        Align_YZ = 2
    };

    inline void convertPosition(Alignment align, float &x, float &y, float &z)
    {
        switch (align)
        {
        case Align_XY:
            return;
        case Align_XZ:
            std::swap(y, z);
            // This is since -Z should be going *into* the screen
            // If not doing this, we'd get wrong vertex winding
            z *= -1;
            return;
        case Align_YZ:
            std::swap(x, y);
            std::swap(y, z);
            return;
        }
    }

}

#endif