snd_Sound3DCalculator.h

#ifndef NW4R_SND_SOUND_3D_CALCULATOR_H
#define NW4R_SND_SOUND_3D_CALCULATOR_H
 
#include <types.h>
 
#include "nw4r/snd/snd_Sound3DListener.h"
#include "nw4r/math/math_triangular.h"
 
namespace nw4r {
namespace snd {
 
class Sound3DManager;
class Sound3DParam;
 
class Sound3DCalculator {
public:
    struct CalcPanParam {
        f32 speakerAngleStereo;    // at 0x00
        f32 frontSpeakerAngleDpl2; // at 0x04
        f32 rearSpeakerAngleDpl2;  // at 0x08
        f32 initPan;               // at 0x0C
 
        CalcPanParam()
            : speakerAngleStereo(NW4R_MATH_PI / 4),
              frontSpeakerAngleDpl2(NW4R_MATH_PI / 6),
              rearSpeakerAngleDpl2(2 * NW4R_MATH_PI / 3),
              initPan(0.0f) {}
    };
 
    static void
    CalcVolumeAndPriority(const Sound3DManager &, const Sound3DListener &, const Sound3DParam &, float *, int *);
    static void CalcPan(
        const Sound3DManager &, const Sound3DListener &, const Sound3DParam &, const Sound3DCalculator::CalcPanParam &,
        float *pan, float *surroundPan
    );
    static void CalcPitch(const Sound3DManager &, const Sound3DListener &, const Sound3DParam &, float *);
    static void CalcBiquadFilterValue(const Sound3DManager &, const Sound3DListener &, const Sound3DParam &, float *);
    static void CalcPanDpl2(const nw4r::math::VEC3 &, float, float, float, float, float, float, float *, float *);
    static void CalcPanStereo(const nw4r::math::VEC3 &, float, float, float, float, float *, float *);
    static void CalcAngleAndDistance(const nw4r::math::VEC3 &, float, float, float *, float *);
};
 
} // namespace snd
} // namespace nw4r
 
#endif