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#ifndef AL_FILTER_H
#define AL_FILTER_H
#include "AL/al.h"
#include "AL/alc.h"
#include "AL/alext.h"
#include "almalloc.h"
#define LOWPASSFREQREF 5000.0f
#define HIGHPASSFREQREF 250.0f
struct ALfilter;
struct ALfilterVtable {
void (*const setParami )(ALfilter *filter, ALCcontext *ctx, ALenum param, int val);
void (*const setParamiv)(ALfilter *filter, ALCcontext *ctx, ALenum param, const int *vals);
void (*const setParamf )(ALfilter *filter, ALCcontext *ctx, ALenum param, float val);
void (*const setParamfv)(ALfilter *filter, ALCcontext *ctx, ALenum param, const float *vals);
void (*const getParami )(const ALfilter *filter, ALCcontext *ctx, ALenum param, int *val);
void (*const getParamiv)(const ALfilter *filter, ALCcontext *ctx, ALenum param, int *vals);
void (*const getParamf )(const ALfilter *filter, ALCcontext *ctx, ALenum param, float *val);
void (*const getParamfv)(const ALfilter *filter, ALCcontext *ctx, ALenum param, float *vals);
};
#define DEFINE_ALFILTER_VTABLE(T) \
const ALfilterVtable T##_vtable = { \
T##_setParami, T##_setParamiv, T##_setParamf, T##_setParamfv, \
T##_getParami, T##_getParamiv, T##_getParamf, T##_getParamfv, \
}
struct ALfilter {
ALenum type{AL_FILTER_NULL};
float Gain{1.0f};
float GainHF{1.0f};
float HFReference{LOWPASSFREQREF};
float GainLF{1.0f};
float LFReference{HIGHPASSFREQREF};
const ALfilterVtable *vtab{nullptr};
/* Self ID */
ALuint id{0};
inline void setParami(ALCcontext *ctx, ALenum param, int value)
{ vtab->setParami(this, ctx, param, value); }
inline void setParamiv(ALCcontext *ctx, ALenum param, const int *values)
{ vtab->setParamiv(this, ctx, param, values); }
inline void setParamf(ALCcontext *ctx, ALenum param, float value)
{ vtab->setParamf(this, ctx, param, value); }
inline void setParamfv(ALCcontext *ctx, ALenum param, const float *values)
{ vtab->setParamfv(this, ctx, param, values); }
inline void getParami(ALCcontext *ctx, ALenum param, int *value) const
{ vtab->getParami(this, ctx, param, value); }
inline void getParamiv(ALCcontext *ctx, ALenum param, int *values) const
{ vtab->getParamiv(this, ctx, param, values); }
inline void getParamf(ALCcontext *ctx, ALenum param, float *value) const
{ vtab->getParamf(this, ctx, param, value); }
inline void getParamfv(ALCcontext *ctx, ALenum param, float *values) const
{ vtab->getParamfv(this, ctx, param, values); }
DISABLE_ALLOC()
};
#endif
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