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#ifndef _AL_EFFECT_H_
#define _AL_EFFECT_H_
#include "alMain.h"
struct ALeffect;
enum {
EAXREVERB_EFFECT = 0,
REVERB_EFFECT,
AUTOWAH_EFFECT,
CHORUS_EFFECT,
COMPRESSOR_EFFECT,
DISTORTION_EFFECT,
ECHO_EFFECT,
EQUALIZER_EFFECT,
FLANGER_EFFECT,
FSHIFTER_EFFECT,
MODULATOR_EFFECT,
PSHIFTER_EFFECT,
DEDICATED_EFFECT,
MAX_EFFECTS
};
extern ALboolean DisabledEffects[MAX_EFFECTS];
extern ALfloat ReverbBoost;
struct EffectList {
const char name[16];
int type;
ALenum val;
};
extern const EffectList gEffectList[14];
struct ALeffectVtable {
void (*const setParami)(ALeffect *effect, ALCcontext *context, ALenum param, ALint val);
void (*const setParamiv)(ALeffect *effect, ALCcontext *context, ALenum param, const ALint *vals);
void (*const setParamf)(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat val);
void (*const setParamfv)(ALeffect *effect, ALCcontext *context, ALenum param, const ALfloat *vals);
void (*const getParami)(const ALeffect *effect, ALCcontext *context, ALenum param, ALint *val);
void (*const getParamiv)(const ALeffect *effect, ALCcontext *context, ALenum param, ALint *vals);
void (*const getParamf)(const ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *val);
void (*const getParamfv)(const ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *vals);
};
#define DEFINE_ALEFFECT_VTABLE(T) \
const ALeffectVtable T##_vtable = { \
T##_setParami, T##_setParamiv, \
T##_setParamf, T##_setParamfv, \
T##_getParami, T##_getParamiv, \
T##_getParamf, T##_getParamfv, \
}
extern const ALeffectVtable ALeaxreverb_vtable;
extern const ALeffectVtable ALreverb_vtable;
extern const ALeffectVtable ALautowah_vtable;
extern const ALeffectVtable ALchorus_vtable;
extern const ALeffectVtable ALcompressor_vtable;
extern const ALeffectVtable ALdistortion_vtable;
extern const ALeffectVtable ALecho_vtable;
extern const ALeffectVtable ALequalizer_vtable;
extern const ALeffectVtable ALflanger_vtable;
extern const ALeffectVtable ALfshifter_vtable;
extern const ALeffectVtable ALmodulator_vtable;
extern const ALeffectVtable ALnull_vtable;
extern const ALeffectVtable ALpshifter_vtable;
extern const ALeffectVtable ALdedicated_vtable;
union ALeffectProps {
struct {
// Shared Reverb Properties
ALfloat Density;
ALfloat Diffusion;
ALfloat Gain;
ALfloat GainHF;
ALfloat DecayTime;
ALfloat DecayHFRatio;
ALfloat ReflectionsGain;
ALfloat ReflectionsDelay;
ALfloat LateReverbGain;
ALfloat LateReverbDelay;
ALfloat AirAbsorptionGainHF;
ALfloat RoomRolloffFactor;
ALboolean DecayHFLimit;
// Additional EAX Reverb Properties
ALfloat GainLF;
ALfloat DecayLFRatio;
ALfloat ReflectionsPan[3];
ALfloat LateReverbPan[3];
ALfloat EchoTime;
ALfloat EchoDepth;
ALfloat ModulationTime;
ALfloat ModulationDepth;
ALfloat HFReference;
ALfloat LFReference;
} Reverb;
struct {
ALfloat AttackTime;
ALfloat ReleaseTime;
ALfloat Resonance;
ALfloat PeakGain;
} Autowah;
struct {
ALint Waveform;
ALint Phase;
ALfloat Rate;
ALfloat Depth;
ALfloat Feedback;
ALfloat Delay;
} Chorus; /* Also Flanger */
struct {
ALboolean OnOff;
} Compressor;
struct {
ALfloat Edge;
ALfloat Gain;
ALfloat LowpassCutoff;
ALfloat EQCenter;
ALfloat EQBandwidth;
} Distortion;
struct {
ALfloat Delay;
ALfloat LRDelay;
ALfloat Damping;
ALfloat Feedback;
ALfloat Spread;
} Echo;
struct {
ALfloat LowCutoff;
ALfloat LowGain;
ALfloat Mid1Center;
ALfloat Mid1Gain;
ALfloat Mid1Width;
ALfloat Mid2Center;
ALfloat Mid2Gain;
ALfloat Mid2Width;
ALfloat HighCutoff;
ALfloat HighGain;
} Equalizer;
struct {
ALfloat Frequency;
ALint LeftDirection;
ALint RightDirection;
} Fshifter;
struct {
ALfloat Frequency;
ALfloat HighPassCutoff;
ALint Waveform;
} Modulator;
struct {
ALint CoarseTune;
ALint FineTune;
} Pshifter;
struct {
ALfloat Gain;
} Dedicated;
};
struct ALeffect {
// Effect type (AL_EFFECT_NULL, ...)
ALenum type{AL_EFFECT_NULL};
ALeffectProps Props{};
const ALeffectVtable *vtab{nullptr};
/* Self ID */
ALuint id{0u};
};
#define ALeffect_setParami(o, c, p, v) ((o)->vtab->setParami(o, c, p, v))
#define ALeffect_setParamf(o, c, p, v) ((o)->vtab->setParamf(o, c, p, v))
#define ALeffect_setParamiv(o, c, p, v) ((o)->vtab->setParamiv(o, c, p, v))
#define ALeffect_setParamfv(o, c, p, v) ((o)->vtab->setParamfv(o, c, p, v))
#define ALeffect_getParami(o, c, p, v) ((o)->vtab->getParami(o, c, p, v))
#define ALeffect_getParamf(o, c, p, v) ((o)->vtab->getParamf(o, c, p, v))
#define ALeffect_getParamiv(o, c, p, v) ((o)->vtab->getParamiv(o, c, p, v))
#define ALeffect_getParamfv(o, c, p, v) ((o)->vtab->getParamfv(o, c, p, v))
inline ALboolean IsReverbEffect(ALenum type)
{ return type == AL_EFFECT_REVERB || type == AL_EFFECT_EAXREVERB; }
void InitEffect(ALeffect *effect);
void LoadReverbPreset(const char *name, ALeffect *effect);
#endif
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