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#ifndef _AL_EFFECT_H_
#define _AL_EFFECT_H_
#include "AL/al.h"
#ifdef __cplusplus
extern "C" {
#endif
enum {
EAXREVERB = 0,
REVERB,
ECHO,
MODULATOR,
DEDICATED,
MAX_EFFECTS
};
extern ALboolean DisabledEffects[MAX_EFFECTS];
extern ALfloat ReverbBoost;
extern ALboolean EmulateEAXReverb;
typedef struct ALeffect
{
// Effect type (AL_EFFECT_NULL, ...)
ALenum type;
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 Delay;
ALfloat LRDelay;
ALfloat Damping;
ALfloat Feedback;
ALfloat Spread;
} Echo;
struct {
ALfloat Frequency;
ALfloat HighPassCutoff;
ALint Waveform;
} Modulator;
struct {
ALfloat Gain;
} Dedicated;
void (*SetParami)(struct ALeffect *effect, ALCcontext *context, ALenum param, ALint val);
void (*SetParamiv)(struct ALeffect *effect, ALCcontext *context, ALenum param, const ALint *vals);
void (*SetParamf)(struct ALeffect *effect, ALCcontext *context, ALenum param, ALfloat val);
void (*SetParamfv)(struct ALeffect *effect, ALCcontext *context, ALenum param, const ALfloat *vals);
void (*GetParami)(struct ALeffect *effect, ALCcontext *context, ALenum param, ALint *val);
void (*GetParamiv)(struct ALeffect *effect, ALCcontext *context, ALenum param, ALint *vals);
void (*GetParamf)(struct ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *val);
void (*GetParamfv)(struct ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *vals);
// Index to itself
ALuint effect;
} ALeffect;
#define ALeffect_SetParami(x, c, p, v) ((x)->SetParami((x),(c),(p),(v)))
#define ALeffect_SetParamiv(x, c, p, v) ((x)->SetParamiv((x),(c),(p),(v)))
#define ALeffect_SetParamf(x, c, p, v) ((x)->SetParamf((x),(c),(p),(v)))
#define ALeffect_SetParamfv(x, c, p, v) ((x)->SetParamfv((x),(c),(p),(v)))
#define ALeffect_GetParami(x, c, p, v) ((x)->GetParami((x),(c),(p),(v)))
#define ALeffect_GetParamiv(x, c, p, v) ((x)->GetParamiv((x),(c),(p),(v)))
#define ALeffect_GetParamf(x, c, p, v) ((x)->GetParamf((x),(c),(p),(v)))
#define ALeffect_GetParamfv(x, c, p, v) ((x)->GetParamfv((x),(c),(p),(v)))
static __inline ALboolean IsReverbEffect(ALenum type)
{ return type == AL_EFFECT_REVERB || type == AL_EFFECT_EAXREVERB; }
ALenum InitEffect(ALeffect *effect);
ALvoid ReleaseALEffects(ALCdevice *device);
ALvoid LoadReverbPreset(const char *name, ALeffect *effect);
#ifdef __cplusplus
}
#endif
#endif
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