#include "config.h"

#include <cmath>

#include "AL/al.h"
#include "AL/efx.h"

#include "alc/effects/base.h"
#include "effects.h"

#ifdef ALSOFT_EAX
#include <cassert>
#include "alnumeric.h"
#include "AL/efx-presets.h"
#include "al/eax/exception.h"
#include "al/eax/utils.h"
#endif // ALSOFT_EAX


namespace {

void Reverb_setParami(EffectProps *props, ALenum param, int val)
{
    switch(param)
    {
    case AL_EAXREVERB_DECAY_HFLIMIT:
        if(!(val >= AL_EAXREVERB_MIN_DECAY_HFLIMIT && val <= AL_EAXREVERB_MAX_DECAY_HFLIMIT))
            throw effect_exception{AL_INVALID_VALUE, "EAX Reverb decay hflimit out of range"};
        props->Reverb.DecayHFLimit = val != AL_FALSE;
        break;

    default:
        throw effect_exception{AL_INVALID_ENUM, "Invalid EAX reverb integer property 0x%04x",
            param};
    }
}
void Reverb_setParamiv(EffectProps *props, ALenum param, const int *vals)
{ Reverb_setParami(props, param, vals[0]); }
void Reverb_setParamf(EffectProps *props, ALenum param, float val)
{
    switch(param)
    {
    case AL_EAXREVERB_DENSITY:
        if(!(val >= AL_EAXREVERB_MIN_DENSITY && val <= AL_EAXREVERB_MAX_DENSITY))
            throw effect_exception{AL_INVALID_VALUE, "EAX Reverb density out of range"};
        props->Reverb.Density = val;
        break;

    case AL_EAXREVERB_DIFFUSION:
        if(!(val >= AL_EAXREVERB_MIN_DIFFUSION && val <= AL_EAXREVERB_MAX_DIFFUSION))
            throw effect_exception{AL_INVALID_VALUE, "EAX Reverb diffusion out of range"};
        props->Reverb.Diffusion = val;
        break;

    case AL_EAXREVERB_GAIN:
        if(!(val >= AL_EAXREVERB_MIN_GAIN && val <= AL_EAXREVERB_MAX_GAIN))
            throw effect_exception{AL_INVALID_VALUE, "EAX Reverb gain out of range"};
        props->Reverb.Gain = val;
        break;

    case AL_EAXREVERB_GAINHF:
        if(!(val >= AL_EAXREVERB_MIN_GAINHF && val <= AL_EAXREVERB_MAX_GAINHF))
            throw effect_exception{AL_INVALID_VALUE, "EAX Reverb gainhf out of range"};
        props->Reverb.GainHF = val;
        break;

    case AL_EAXREVERB_GAINLF:
        if(!(val >= AL_EAXREVERB_MIN_GAINLF && val <= AL_EAXREVERB_MAX_GAINLF))
            throw effect_exception{AL_INVALID_VALUE, "EAX Reverb gainlf out of range"};
        props->Reverb.GainLF = val;
        break;

    case AL_EAXREVERB_DECAY_TIME:
        if(!(val >= AL_EAXREVERB_MIN_DECAY_TIME && val <= AL_EAXREVERB_MAX_DECAY_TIME))
            throw effect_exception{AL_INVALID_VALUE, "EAX Reverb decay time out of range"};
        props->Reverb.DecayTime = val;
        break;

    case AL_EAXREVERB_DECAY_HFRATIO:
        if(!(val >= AL_EAXREVERB_MIN_DECAY_HFRATIO && val <= AL_EAXREVERB_MAX_DECAY_HFRATIO))
            throw effect_exception{AL_INVALID_VALUE, "EAX Reverb decay hfratio out of range"};
        props->Reverb.DecayHFRatio = val;
        break;

    case AL_EAXREVERB_DECAY_LFRATIO:
        if(!(val >= AL_EAXREVERB_MIN_DECAY_LFRATIO && val <= AL_EAXREVERB_MAX_DECAY_LFRATIO))
            throw effect_exception{AL_INVALID_VALUE, "EAX Reverb decay lfratio out of range"};
        props->Reverb.DecayLFRatio = val;
        break;

    case AL_EAXREVERB_REFLECTIONS_GAIN:
        if(!(val >= AL_EAXREVERB_MIN_REFLECTIONS_GAIN && val <= AL_EAXREVERB_MAX_REFLECTIONS_GAIN))
            throw effect_exception{AL_INVALID_VALUE, "EAX Reverb reflections gain out of range"};
        props->Reverb.ReflectionsGain = val;
        break;

    case AL_EAXREVERB_REFLECTIONS_DELAY:
        if(!(val >= AL_EAXREVERB_MIN_REFLECTIONS_DELAY && val <= AL_EAXREVERB_MAX_REFLECTIONS_DELAY))
            throw effect_exception{AL_INVALID_VALUE, "EAX Reverb reflections delay out of range"};
        props->Reverb.ReflectionsDelay = val;
        break;

    case AL_EAXREVERB_LATE_REVERB_GAIN:
        if(!(val >= AL_EAXREVERB_MIN_LATE_REVERB_GAIN && val <= AL_EAXREVERB_MAX_LATE_REVERB_GAIN))
            throw effect_exception{AL_INVALID_VALUE, "EAX Reverb late reverb gain out of range"};
        props->Reverb.LateReverbGain = val;
        break;

    case AL_EAXREVERB_LATE_REVERB_DELAY:
        if(!(val >= AL_EAXREVERB_MIN_LATE_REVERB_DELAY && val <= AL_EAXREVERB_MAX_LATE_REVERB_DELAY))
            throw effect_exception{AL_INVALID_VALUE, "EAX Reverb late reverb delay out of range"};
        props->Reverb.LateReverbDelay = val;
        break;

    case AL_EAXREVERB_AIR_ABSORPTION_GAINHF:
        if(!(val >= AL_EAXREVERB_MIN_AIR_ABSORPTION_GAINHF && val <= AL_EAXREVERB_MAX_AIR_ABSORPTION_GAINHF))
            throw effect_exception{AL_INVALID_VALUE, "EAX Reverb air absorption gainhf out of range"};
        props->Reverb.AirAbsorptionGainHF = val;
        break;

    case AL_EAXREVERB_ECHO_TIME:
        if(!(val >= AL_EAXREVERB_MIN_ECHO_TIME && val <= AL_EAXREVERB_MAX_ECHO_TIME))
            throw effect_exception{AL_INVALID_VALUE, "EAX Reverb echo time out of range"};
        props->Reverb.EchoTime = val;
        break;

    case AL_EAXREVERB_ECHO_DEPTH:
        if(!(val >= AL_EAXREVERB_MIN_ECHO_DEPTH && val <= AL_EAXREVERB_MAX_ECHO_DEPTH))
            throw effect_exception{AL_INVALID_VALUE, "EAX Reverb echo depth out of range"};
        props->Reverb.EchoDepth = val;
        break;

    case AL_EAXREVERB_MODULATION_TIME:
        if(!(val >= AL_EAXREVERB_MIN_MODULATION_TIME && val <= AL_EAXREVERB_MAX_MODULATION_TIME))
            throw effect_exception{AL_INVALID_VALUE, "EAX Reverb modulation time out of range"};
        props->Reverb.ModulationTime = val;
        break;

    case AL_EAXREVERB_MODULATION_DEPTH:
        if(!(val >= AL_EAXREVERB_MIN_MODULATION_DEPTH && val <= AL_EAXREVERB_MAX_MODULATION_DEPTH))
            throw effect_exception{AL_INVALID_VALUE, "EAX Reverb modulation depth out of range"};
        props->Reverb.ModulationDepth = val;
        break;

    case AL_EAXREVERB_HFREFERENCE:
        if(!(val >= AL_EAXREVERB_MIN_HFREFERENCE && val <= AL_EAXREVERB_MAX_HFREFERENCE))
            throw effect_exception{AL_INVALID_VALUE, "EAX Reverb hfreference out of range"};
        props->Reverb.HFReference = val;
        break;

    case AL_EAXREVERB_LFREFERENCE:
        if(!(val >= AL_EAXREVERB_MIN_LFREFERENCE && val <= AL_EAXREVERB_MAX_LFREFERENCE))
            throw effect_exception{AL_INVALID_VALUE, "EAX Reverb lfreference out of range"};
        props->Reverb.LFReference = val;
        break;

    case AL_EAXREVERB_ROOM_ROLLOFF_FACTOR:
        if(!(val >= AL_EAXREVERB_MIN_ROOM_ROLLOFF_FACTOR && val <= AL_EAXREVERB_MAX_ROOM_ROLLOFF_FACTOR))
            throw effect_exception{AL_INVALID_VALUE, "EAX Reverb room rolloff factor out of range"};
        props->Reverb.RoomRolloffFactor = val;
        break;

    default:
        throw effect_exception{AL_INVALID_ENUM, "Invalid EAX reverb float property 0x%04x", param};
    }
}
void Reverb_setParamfv(EffectProps *props, ALenum param, const float *vals)
{
    switch(param)
    {
    case AL_EAXREVERB_REFLECTIONS_PAN:
        if(!(std::isfinite(vals[0]) && std::isfinite(vals[1]) && std::isfinite(vals[2])))
            throw effect_exception{AL_INVALID_VALUE, "EAX Reverb reflections pan out of range"};
        props->Reverb.ReflectionsPan[0] = vals[0];
        props->Reverb.ReflectionsPan[1] = vals[1];
        props->Reverb.ReflectionsPan[2] = vals[2];
        break;
    case AL_EAXREVERB_LATE_REVERB_PAN:
        if(!(std::isfinite(vals[0]) && std::isfinite(vals[1]) && std::isfinite(vals[2])))
            throw effect_exception{AL_INVALID_VALUE, "EAX Reverb late reverb pan out of range"};
        props->Reverb.LateReverbPan[0] = vals[0];
        props->Reverb.LateReverbPan[1] = vals[1];
        props->Reverb.LateReverbPan[2] = vals[2];
        break;

    default:
        Reverb_setParamf(props, param, vals[0]);
        break;
    }
}

void Reverb_getParami(const EffectProps *props, ALenum param, int *val)
{
    switch(param)
    {
    case AL_EAXREVERB_DECAY_HFLIMIT:
        *val = props->Reverb.DecayHFLimit;
        break;

    default:
        throw effect_exception{AL_INVALID_ENUM, "Invalid EAX reverb integer property 0x%04x",
            param};
    }
}
void Reverb_getParamiv(const EffectProps *props, ALenum param, int *vals)
{ Reverb_getParami(props, param, vals); }
void Reverb_getParamf(const EffectProps *props, ALenum param, float *val)
{
    switch(param)
    {
    case AL_EAXREVERB_DENSITY:
        *val = props->Reverb.Density;
        break;

    case AL_EAXREVERB_DIFFUSION:
        *val = props->Reverb.Diffusion;
        break;

    case AL_EAXREVERB_GAIN:
        *val = props->Reverb.Gain;
        break;

    case AL_EAXREVERB_GAINHF:
        *val = props->Reverb.GainHF;
        break;

    case AL_EAXREVERB_GAINLF:
        *val = props->Reverb.GainLF;
        break;

    case AL_EAXREVERB_DECAY_TIME:
        *val = props->Reverb.DecayTime;
        break;

    case AL_EAXREVERB_DECAY_HFRATIO:
        *val = props->Reverb.DecayHFRatio;
        break;

    case AL_EAXREVERB_DECAY_LFRATIO:
        *val = props->Reverb.DecayLFRatio;
        break;

    case AL_EAXREVERB_REFLECTIONS_GAIN:
        *val = props->Reverb.ReflectionsGain;
        break;

    case AL_EAXREVERB_REFLECTIONS_DELAY:
        *val = props->Reverb.ReflectionsDelay;
        break;

    case AL_EAXREVERB_LATE_REVERB_GAIN:
        *val = props->Reverb.LateReverbGain;
        break;

    case AL_EAXREVERB_LATE_REVERB_DELAY:
        *val = props->Reverb.LateReverbDelay;
        break;

    case AL_EAXREVERB_AIR_ABSORPTION_GAINHF:
        *val = props->Reverb.AirAbsorptionGainHF;
        break;

    case AL_EAXREVERB_ECHO_TIME:
        *val = props->Reverb.EchoTime;
        break;

    case AL_EAXREVERB_ECHO_DEPTH:
        *val = props->Reverb.EchoDepth;
        break;

    case AL_EAXREVERB_MODULATION_TIME:
        *val = props->Reverb.ModulationTime;
        break;

    case AL_EAXREVERB_MODULATION_DEPTH:
        *val = props->Reverb.ModulationDepth;
        break;

    case AL_EAXREVERB_HFREFERENCE:
        *val = props->Reverb.HFReference;
        break;

    case AL_EAXREVERB_LFREFERENCE:
        *val = props->Reverb.LFReference;
        break;

    case AL_EAXREVERB_ROOM_ROLLOFF_FACTOR:
        *val = props->Reverb.RoomRolloffFactor;
        break;

    default:
        throw effect_exception{AL_INVALID_ENUM, "Invalid EAX reverb float property 0x%04x", param};
    }
}
void Reverb_getParamfv(const EffectProps *props, ALenum param, float *vals)
{
    switch(param)
    {
    case AL_EAXREVERB_REFLECTIONS_PAN:
        vals[0] = props->Reverb.ReflectionsPan[0];
        vals[1] = props->Reverb.ReflectionsPan[1];
        vals[2] = props->Reverb.ReflectionsPan[2];
        break;
    case AL_EAXREVERB_LATE_REVERB_PAN:
        vals[0] = props->Reverb.LateReverbPan[0];
        vals[1] = props->Reverb.LateReverbPan[1];
        vals[2] = props->Reverb.LateReverbPan[2];
        break;

    default:
        Reverb_getParamf(props, param, vals);
        break;
    }
}

EffectProps genDefaultProps() noexcept
{
    EffectProps props{};
    props.Reverb.Density   = AL_EAXREVERB_DEFAULT_DENSITY;
    props.Reverb.Diffusion = AL_EAXREVERB_DEFAULT_DIFFUSION;
    props.Reverb.Gain   = AL_EAXREVERB_DEFAULT_GAIN;
    props.Reverb.GainHF = AL_EAXREVERB_DEFAULT_GAINHF;
    props.Reverb.GainLF = AL_EAXREVERB_DEFAULT_GAINLF;
    props.Reverb.DecayTime    = AL_EAXREVERB_DEFAULT_DECAY_TIME;
    props.Reverb.DecayHFRatio = AL_EAXREVERB_DEFAULT_DECAY_HFRATIO;
    props.Reverb.DecayLFRatio = AL_EAXREVERB_DEFAULT_DECAY_LFRATIO;
    props.Reverb.ReflectionsGain   = AL_EAXREVERB_DEFAULT_REFLECTIONS_GAIN;
    props.Reverb.ReflectionsDelay  = AL_EAXREVERB_DEFAULT_REFLECTIONS_DELAY;
    props.Reverb.ReflectionsPan[0] = AL_EAXREVERB_DEFAULT_REFLECTIONS_PAN_XYZ;
    props.Reverb.ReflectionsPan[1] = AL_EAXREVERB_DEFAULT_REFLECTIONS_PAN_XYZ;
    props.Reverb.ReflectionsPan[2] = AL_EAXREVERB_DEFAULT_REFLECTIONS_PAN_XYZ;
    props.Reverb.LateReverbGain   = AL_EAXREVERB_DEFAULT_LATE_REVERB_GAIN;
    props.Reverb.LateReverbDelay  = AL_EAXREVERB_DEFAULT_LATE_REVERB_DELAY;
    props.Reverb.LateReverbPan[0] = AL_EAXREVERB_DEFAULT_LATE_REVERB_PAN_XYZ;
    props.Reverb.LateReverbPan[1] = AL_EAXREVERB_DEFAULT_LATE_REVERB_PAN_XYZ;
    props.Reverb.LateReverbPan[2] = AL_EAXREVERB_DEFAULT_LATE_REVERB_PAN_XYZ;
    props.Reverb.EchoTime  = AL_EAXREVERB_DEFAULT_ECHO_TIME;
    props.Reverb.EchoDepth = AL_EAXREVERB_DEFAULT_ECHO_DEPTH;
    props.Reverb.ModulationTime  = AL_EAXREVERB_DEFAULT_MODULATION_TIME;
    props.Reverb.ModulationDepth = AL_EAXREVERB_DEFAULT_MODULATION_DEPTH;
    props.Reverb.AirAbsorptionGainHF = AL_EAXREVERB_DEFAULT_AIR_ABSORPTION_GAINHF;
    props.Reverb.HFReference = AL_EAXREVERB_DEFAULT_HFREFERENCE;
    props.Reverb.LFReference = AL_EAXREVERB_DEFAULT_LFREFERENCE;
    props.Reverb.RoomRolloffFactor = AL_EAXREVERB_DEFAULT_ROOM_ROLLOFF_FACTOR;
    props.Reverb.DecayHFLimit = AL_EAXREVERB_DEFAULT_DECAY_HFLIMIT;
    return props;
}


void StdReverb_setParami(EffectProps *props, ALenum param, int val)
{
    switch(param)
    {
    case AL_REVERB_DECAY_HFLIMIT:
        if(!(val >= AL_REVERB_MIN_DECAY_HFLIMIT && val <= AL_REVERB_MAX_DECAY_HFLIMIT))
            throw effect_exception{AL_INVALID_VALUE, "Reverb decay hflimit out of range"};
        props->Reverb.DecayHFLimit = val != AL_FALSE;
        break;

    default:
        throw effect_exception{AL_INVALID_ENUM, "Invalid reverb integer property 0x%04x", param};
    }
}
void StdReverb_setParamiv(EffectProps *props, ALenum param, const int *vals)
{ StdReverb_setParami(props, param, vals[0]); }
void StdReverb_setParamf(EffectProps *props, ALenum param, float val)
{
    switch(param)
    {
    case AL_REVERB_DENSITY:
        if(!(val >= AL_REVERB_MIN_DENSITY && val <= AL_REVERB_MAX_DENSITY))
            throw effect_exception{AL_INVALID_VALUE, "Reverb density out of range"};
        props->Reverb.Density = val;
        break;

    case AL_REVERB_DIFFUSION:
        if(!(val >= AL_REVERB_MIN_DIFFUSION && val <= AL_REVERB_MAX_DIFFUSION))
            throw effect_exception{AL_INVALID_VALUE, "Reverb diffusion out of range"};
        props->Reverb.Diffusion = val;
        break;

    case AL_REVERB_GAIN:
        if(!(val >= AL_REVERB_MIN_GAIN && val <= AL_REVERB_MAX_GAIN))
            throw effect_exception{AL_INVALID_VALUE, "Reverb gain out of range"};
        props->Reverb.Gain = val;
        break;

    case AL_REVERB_GAINHF:
        if(!(val >= AL_REVERB_MIN_GAINHF && val <= AL_REVERB_MAX_GAINHF))
            throw effect_exception{AL_INVALID_VALUE, "Reverb gainhf out of range"};
        props->Reverb.GainHF = val;
        break;

    case AL_REVERB_DECAY_TIME:
        if(!(val >= AL_REVERB_MIN_DECAY_TIME && val <= AL_REVERB_MAX_DECAY_TIME))
            throw effect_exception{AL_INVALID_VALUE, "Reverb decay time out of range"};
        props->Reverb.DecayTime = val;
        break;

    case AL_REVERB_DECAY_HFRATIO:
        if(!(val >= AL_REVERB_MIN_DECAY_HFRATIO && val <= AL_REVERB_MAX_DECAY_HFRATIO))
            throw effect_exception{AL_INVALID_VALUE, "Reverb decay hfratio out of range"};
        props->Reverb.DecayHFRatio = val;
        break;

    case AL_REVERB_REFLECTIONS_GAIN:
        if(!(val >= AL_REVERB_MIN_REFLECTIONS_GAIN && val <= AL_REVERB_MAX_REFLECTIONS_GAIN))
            throw effect_exception{AL_INVALID_VALUE, "Reverb reflections gain out of range"};
        props->Reverb.ReflectionsGain = val;
        break;

    case AL_REVERB_REFLECTIONS_DELAY:
        if(!(val >= AL_REVERB_MIN_REFLECTIONS_DELAY && val <= AL_REVERB_MAX_REFLECTIONS_DELAY))
            throw effect_exception{AL_INVALID_VALUE, "Reverb reflections delay out of range"};
        props->Reverb.ReflectionsDelay = val;
        break;

    case AL_REVERB_LATE_REVERB_GAIN:
        if(!(val >= AL_REVERB_MIN_LATE_REVERB_GAIN && val <= AL_REVERB_MAX_LATE_REVERB_GAIN))
            throw effect_exception{AL_INVALID_VALUE, "Reverb late reverb gain out of range"};
        props->Reverb.LateReverbGain = val;
        break;

    case AL_REVERB_LATE_REVERB_DELAY:
        if(!(val >= AL_REVERB_MIN_LATE_REVERB_DELAY && val <= AL_REVERB_MAX_LATE_REVERB_DELAY))
            throw effect_exception{AL_INVALID_VALUE, "Reverb late reverb delay out of range"};
        props->Reverb.LateReverbDelay = val;
        break;

    case AL_REVERB_AIR_ABSORPTION_GAINHF:
        if(!(val >= AL_REVERB_MIN_AIR_ABSORPTION_GAINHF && val <= AL_REVERB_MAX_AIR_ABSORPTION_GAINHF))
            throw effect_exception{AL_INVALID_VALUE, "Reverb air absorption gainhf out of range"};
        props->Reverb.AirAbsorptionGainHF = val;
        break;

    case AL_REVERB_ROOM_ROLLOFF_FACTOR:
        if(!(val >= AL_REVERB_MIN_ROOM_ROLLOFF_FACTOR && val <= AL_REVERB_MAX_ROOM_ROLLOFF_FACTOR))
            throw effect_exception{AL_INVALID_VALUE, "Reverb room rolloff factor out of range"};
        props->Reverb.RoomRolloffFactor = val;
        break;

    default:
        throw effect_exception{AL_INVALID_ENUM, "Invalid reverb float property 0x%04x", param};
    }
}
void StdReverb_setParamfv(EffectProps *props, ALenum param, const float *vals)
{ StdReverb_setParamf(props, param, vals[0]); }

void StdReverb_getParami(const EffectProps *props, ALenum param, int *val)
{
    switch(param)
    {
    case AL_REVERB_DECAY_HFLIMIT:
        *val = props->Reverb.DecayHFLimit;
        break;

    default:
        throw effect_exception{AL_INVALID_ENUM, "Invalid reverb integer property 0x%04x", param};
    }
}
void StdReverb_getParamiv(const EffectProps *props, ALenum param, int *vals)
{ StdReverb_getParami(props, param, vals); }
void StdReverb_getParamf(const EffectProps *props, ALenum param, float *val)
{
    switch(param)
    {
    case AL_REVERB_DENSITY:
        *val = props->Reverb.Density;
        break;

    case AL_REVERB_DIFFUSION:
        *val = props->Reverb.Diffusion;
        break;

    case AL_REVERB_GAIN:
        *val = props->Reverb.Gain;
        break;

    case AL_REVERB_GAINHF:
        *val = props->Reverb.GainHF;
        break;

    case AL_REVERB_DECAY_TIME:
        *val = props->Reverb.DecayTime;
        break;

    case AL_REVERB_DECAY_HFRATIO:
        *val = props->Reverb.DecayHFRatio;
        break;

    case AL_REVERB_REFLECTIONS_GAIN:
        *val = props->Reverb.ReflectionsGain;
        break;

    case AL_REVERB_REFLECTIONS_DELAY:
        *val = props->Reverb.ReflectionsDelay;
        break;

    case AL_REVERB_LATE_REVERB_GAIN:
        *val = props->Reverb.LateReverbGain;
        break;

    case AL_REVERB_LATE_REVERB_DELAY:
        *val = props->Reverb.LateReverbDelay;
        break;

    case AL_REVERB_AIR_ABSORPTION_GAINHF:
        *val = props->Reverb.AirAbsorptionGainHF;
        break;

    case AL_REVERB_ROOM_ROLLOFF_FACTOR:
        *val = props->Reverb.RoomRolloffFactor;
        break;

    default:
        throw effect_exception{AL_INVALID_ENUM, "Invalid reverb float property 0x%04x", param};
    }
}
void StdReverb_getParamfv(const EffectProps *props, ALenum param, float *vals)
{ StdReverb_getParamf(props, param, vals); }

EffectProps genDefaultStdProps() noexcept
{
    EffectProps props{};
    props.Reverb.Density   = AL_REVERB_DEFAULT_DENSITY;
    props.Reverb.Diffusion = AL_REVERB_DEFAULT_DIFFUSION;
    props.Reverb.Gain   = AL_REVERB_DEFAULT_GAIN;
    props.Reverb.GainHF = AL_REVERB_DEFAULT_GAINHF;
    props.Reverb.GainLF = 1.0f;
    props.Reverb.DecayTime    = AL_REVERB_DEFAULT_DECAY_TIME;
    props.Reverb.DecayHFRatio = AL_REVERB_DEFAULT_DECAY_HFRATIO;
    props.Reverb.DecayLFRatio = 1.0f;
    props.Reverb.ReflectionsGain   = AL_REVERB_DEFAULT_REFLECTIONS_GAIN;
    props.Reverb.ReflectionsDelay  = AL_REVERB_DEFAULT_REFLECTIONS_DELAY;
    props.Reverb.ReflectionsPan[0] = 0.0f;
    props.Reverb.ReflectionsPan[1] = 0.0f;
    props.Reverb.ReflectionsPan[2] = 0.0f;
    props.Reverb.LateReverbGain   = AL_REVERB_DEFAULT_LATE_REVERB_GAIN;
    props.Reverb.LateReverbDelay  = AL_REVERB_DEFAULT_LATE_REVERB_DELAY;
    props.Reverb.LateReverbPan[0] = 0.0f;
    props.Reverb.LateReverbPan[1] = 0.0f;
    props.Reverb.LateReverbPan[2] = 0.0f;
    props.Reverb.EchoTime  = 0.25f;
    props.Reverb.EchoDepth = 0.0f;
    props.Reverb.ModulationTime  = 0.25f;
    props.Reverb.ModulationDepth = 0.0f;
    props.Reverb.AirAbsorptionGainHF = AL_REVERB_DEFAULT_AIR_ABSORPTION_GAINHF;
    props.Reverb.HFReference = 5000.0f;
    props.Reverb.LFReference = 250.0f;
    props.Reverb.RoomRolloffFactor = AL_REVERB_DEFAULT_ROOM_ROLLOFF_FACTOR;
    props.Reverb.DecayHFLimit = AL_REVERB_DEFAULT_DECAY_HFLIMIT;
    return props;
}

} // namespace

DEFINE_ALEFFECT_VTABLE(Reverb);

const EffectProps ReverbEffectProps{genDefaultProps()};

DEFINE_ALEFFECT_VTABLE(StdReverb);

const EffectProps StdReverbEffectProps{genDefaultStdProps()};

#ifdef ALSOFT_EAX
namespace {

class EaxReverbEffectException : public EaxException
{
public:
    explicit EaxReverbEffectException(const char* message)
        : EaxException{"EAX_REVERB_EFFECT", message}
    {}
}; // EaxReverbEffectException

class EaxReverbEffect final : public EaxEffect
{
public:
    EaxReverbEffect(const EaxCall& call) noexcept;

    void dispatch(const EaxCall& call) override;
    /*[[nodiscard]]*/ bool commit() override;

private:
    static constexpr auto initial_room2 = -10'000L;

    using Exception = EaxReverbEffectException;

    using Props1 = EAX_REVERBPROPERTIES;
    using Props2 = EAX20LISTENERPROPERTIES;
    using Props3 = EAXREVERBPROPERTIES;

    struct State1
    {
        Props1 i; // Immediate.
        Props1 d; // Deferred.
    }; // State1

    struct State2
    {
        Props2 i; // Immediate.
        Props2 d; // Deferred.
    }; // State2

    struct State3
    {
        Props3 i; // Immediate.
        Props3 d; // Deferred.
    }; // State3

    struct EnvironmentValidator1 {
        void operator()(unsigned long ulEnvironment) const
        {
            eax_validate_range<Exception>(
                "Environment",
                ulEnvironment,
                EAXREVERB_MINENVIRONMENT,
                EAX1REVERB_MAXENVIRONMENT);
        }
    }; // EnvironmentValidator1

    struct VolumeValidator {
        void operator()(float volume) const
        {
            eax_validate_range<Exception>(
                "Volume",
                volume,
                EAX1REVERB_MINVOLUME,
                EAX1REVERB_MAXVOLUME);
        }
    }; // VolumeValidator

    struct DecayTimeValidator {
        void operator()(float flDecayTime) const
        {
            eax_validate_range<Exception>(
                "Decay Time",
                flDecayTime,
                EAXREVERB_MINDECAYTIME,
                EAXREVERB_MAXDECAYTIME);
        }
    }; // DecayTimeValidator

    struct DampingValidator {
        void operator()(float damping) const
        {
            eax_validate_range<Exception>(
                "Damping",
                damping,
                EAX1REVERB_MINDAMPING,
                EAX1REVERB_MAXDAMPING);
        }
    }; // DampingValidator

    struct AllValidator1 {
        void operator()(const Props1& all) const
        {
            EnvironmentValidator1{}(all.environment);
            VolumeValidator{}(all.fVolume);
            DecayTimeValidator{}(all.fDecayTime_sec);
            DampingValidator{}(all.fDamping);
        }
    }; // AllValidator1

    struct RoomValidator {
        void operator()(long lRoom) const
        {
            eax_validate_range<Exception>(
                "Room",
                lRoom,
                EAXREVERB_MINROOM,
                EAXREVERB_MAXROOM);
        }
    }; // RoomValidator

    struct RoomHFValidator {
        void operator()(long lRoomHF) const
        {
            eax_validate_range<Exception>(
                "Room HF",
                lRoomHF,
                EAXREVERB_MINROOMHF,
                EAXREVERB_MAXROOMHF);
        }
    }; // RoomHFValidator

    struct RoomRolloffFactorValidator {
        void operator()(float flRoomRolloffFactor) const
        {
            eax_validate_range<Exception>(
                "Room Rolloff Factor",
                flRoomRolloffFactor,
                EAXREVERB_MINROOMROLLOFFFACTOR,
                EAXREVERB_MAXROOMROLLOFFFACTOR);
        }
    }; // RoomRolloffFactorValidator

    struct DecayHFRatioValidator {
        void operator()(float flDecayHFRatio) const
        {
            eax_validate_range<Exception>(
                "Decay HF Ratio",
                flDecayHFRatio,
                EAXREVERB_MINDECAYHFRATIO,
                EAXREVERB_MAXDECAYHFRATIO);
        }
    }; // DecayHFRatioValidator

    struct ReflectionsValidator {
        void operator()(long lReflections) const
        {
            eax_validate_range<Exception>(
                "Reflections",
                lReflections,
                EAXREVERB_MINREFLECTIONS,
                EAXREVERB_MAXREFLECTIONS);
        }
    }; // ReflectionsValidator

    struct ReflectionsDelayValidator {
        void operator()(float flReflectionsDelay) const
        {
            eax_validate_range<Exception>(
                "Reflections Delay",
                flReflectionsDelay,
                EAXREVERB_MINREFLECTIONSDELAY,
                EAXREVERB_MAXREFLECTIONSDELAY);
        }
    }; // ReflectionsDelayValidator

    struct ReverbValidator {
        void operator()(long lReverb) const
        {
            eax_validate_range<Exception>(
                "Reverb",
                lReverb,
                EAXREVERB_MINREVERB,
                EAXREVERB_MAXREVERB);
        }
    }; // ReverbValidator

    struct ReverbDelayValidator {
        void operator()(float flReverbDelay) const
        {
            eax_validate_range<Exception>(
                "Reverb Delay",
                flReverbDelay,
                EAXREVERB_MINREVERBDELAY,
                EAXREVERB_MAXREVERBDELAY);
        }
    }; // ReverbDelayValidator

    struct EnvironmentSizeValidator {
        void operator()(float flEnvironmentSize) const
        {
            eax_validate_range<Exception>(
                "Environment Size",
                flEnvironmentSize,
                EAXREVERB_MINENVIRONMENTSIZE,
                EAXREVERB_MAXENVIRONMENTSIZE);
        }
    }; // EnvironmentSizeValidator

    struct EnvironmentDiffusionValidator {
        void operator()(float flEnvironmentDiffusion) const
        {
            eax_validate_range<Exception>(
                "Environment Diffusion",
                flEnvironmentDiffusion,
                EAXREVERB_MINENVIRONMENTDIFFUSION,
                EAXREVERB_MAXENVIRONMENTDIFFUSION);
        }
    }; // EnvironmentDiffusionValidator

    struct AirAbsorptionHFValidator {
        void operator()(float flAirAbsorptionHF) const
        {
            eax_validate_range<Exception>(
                "Air Absorbtion HF",
                flAirAbsorptionHF,
                EAXREVERB_MINAIRABSORPTIONHF,
                EAXREVERB_MAXAIRABSORPTIONHF);
        }
    }; // AirAbsorptionHFValidator

    struct FlagsValidator2 {
        void operator()(unsigned long ulFlags) const
        {
            eax_validate_range<Exception>(
                "Flags",
                ulFlags,
                0UL,
                ~EAX2LISTENERFLAGS_RESERVED);
        }
    }; // FlagsValidator2

    struct AllValidator2 {
        void operator()(const Props2& all) const
        {
            RoomValidator{}(all.lRoom);
            RoomHFValidator{}(all.lRoomHF);
            RoomRolloffFactorValidator{}(all.flRoomRolloffFactor);
            DecayTimeValidator{}(all.flDecayTime);
            DecayHFRatioValidator{}(all.flDecayHFRatio);
            ReflectionsValidator{}(all.lReflections);
            ReflectionsDelayValidator{}(all.flReflectionsDelay);
            ReverbValidator{}(all.lReverb);
            ReverbDelayValidator{}(all.flReverbDelay);
            EnvironmentValidator1{}(all.dwEnvironment);
            EnvironmentSizeValidator{}(all.flEnvironmentSize);
            EnvironmentDiffusionValidator{}(all.flEnvironmentDiffusion);
            AirAbsorptionHFValidator{}(all.flAirAbsorptionHF);
            FlagsValidator2{}(all.dwFlags);
        }
    }; // AllValidator2

    struct EnvironmentValidator3 {
        void operator()(unsigned long ulEnvironment) const
        {
            eax_validate_range<Exception>(
                "Environment",
                ulEnvironment,
                EAXREVERB_MINENVIRONMENT,
                EAX30REVERB_MAXENVIRONMENT);
        }
    }; // EnvironmentValidator1

    struct RoomLFValidator {
        void operator()(long lRoomLF) const
        {
            eax_validate_range<Exception>(
                "Room LF",
                lRoomLF,
                EAXREVERB_MINROOMLF,
                EAXREVERB_MAXROOMLF);
        }
    }; // RoomLFValidator

    struct DecayLFRatioValidator {
        void operator()(float flDecayLFRatio) const
        {
            eax_validate_range<Exception>(
                "Decay LF Ratio",
                flDecayLFRatio,
                EAXREVERB_MINDECAYLFRATIO,
                EAXREVERB_MAXDECAYLFRATIO);
        }
    }; // DecayLFRatioValidator

    struct VectorValidator {
        void operator()(const EAXVECTOR&) const
        {}
    }; // VectorValidator

    struct EchoTimeValidator {
        void operator()(float flEchoTime) const
        {
            eax_validate_range<Exception>(
                "Echo Time",
                flEchoTime,
                EAXREVERB_MINECHOTIME,
                EAXREVERB_MAXECHOTIME);
        }
    }; // EchoTimeValidator

    struct EchoDepthValidator {
        void operator()(float flEchoDepth) const
        {
            eax_validate_range<Exception>(
                "Echo Depth",
                flEchoDepth,
                EAXREVERB_MINECHODEPTH,
                EAXREVERB_MAXECHODEPTH);
        }
    }; // EchoDepthValidator

    struct ModulationTimeValidator {
        void operator()(float flModulationTime) const
        {
            eax_validate_range<Exception>(
                "Modulation Time",
                flModulationTime,
                EAXREVERB_MINMODULATIONTIME,
                EAXREVERB_MAXMODULATIONTIME);
        }
    }; // ModulationTimeValidator

    struct ModulationDepthValidator {
        void operator()(float flModulationDepth) const
        {
            eax_validate_range<Exception>(
                "Modulation Depth",
                flModulationDepth,
                EAXREVERB_MINMODULATIONDEPTH,
                EAXREVERB_MAXMODULATIONDEPTH);
        }
    }; // ModulationDepthValidator

    struct HFReferenceValidator {
        void operator()(float flHFReference) const
        {
            eax_validate_range<Exception>(
                "HF Reference",
                flHFReference,
                EAXREVERB_MINHFREFERENCE,
                EAXREVERB_MAXHFREFERENCE);
        }
    }; // HFReferenceValidator

    struct LFReferenceValidator {
        void operator()(float flLFReference) const
        {
            eax_validate_range<Exception>(
                "LF Reference",
                flLFReference,
                EAXREVERB_MINLFREFERENCE,
                EAXREVERB_MAXLFREFERENCE);
        }
    }; // LFReferenceValidator

    struct FlagsValidator3 {
        void operator()(unsigned long ulFlags) const
        {
            eax_validate_range<Exception>(
                "Flags",
                ulFlags,
                0UL,
                ~EAXREVERBFLAGS_RESERVED);
        }
    }; // FlagsValidator3

    struct AllValidator3 {
        void operator()(const Props3& all) const
        {
            EnvironmentValidator3{}(all.ulEnvironment);
            EnvironmentSizeValidator{}(all.flEnvironmentSize);
            EnvironmentDiffusionValidator{}(all.flEnvironmentDiffusion);
            RoomValidator{}(all.lRoom);
            RoomHFValidator{}(all.lRoomHF);
            RoomLFValidator{}(all.lRoomLF);
            DecayTimeValidator{}(all.flDecayTime);
            DecayHFRatioValidator{}(all.flDecayHFRatio);
            DecayLFRatioValidator{}(all.flDecayLFRatio);
            ReflectionsValidator{}(all.lReflections);
            ReflectionsDelayValidator{}(all.flReflectionsDelay);
            VectorValidator{}(all.vReflectionsPan);
            ReverbValidator{}(all.lReverb);
            ReverbDelayValidator{}(all.flReverbDelay);
            VectorValidator{}(all.vReverbPan);
            EchoTimeValidator{}(all.flEchoTime);
            EchoDepthValidator{}(all.flEchoDepth);
            ModulationTimeValidator{}(all.flModulationTime);
            ModulationDepthValidator{}(all.flModulationDepth);
            AirAbsorptionHFValidator{}(all.flAirAbsorptionHF);
            HFReferenceValidator{}(all.flHFReference);
            LFReferenceValidator{}(all.flLFReference);
            RoomRolloffFactorValidator{}(all.flRoomRolloffFactor);
            FlagsValidator3{}(all.ulFlags);
        }
    }; // AllValidator3

    struct EnvironmentDeferrer2 {
        void operator()(Props2& props, unsigned long dwEnvironment) const
        {
            props = EAX2REVERB_PRESETS[dwEnvironment];
        }
    }; // EnvironmentDeferrer2

    struct EnvironmentSizeDeferrer2 {
        void operator()(Props2& props, float flEnvironmentSize) const
        {
            if (props.flEnvironmentSize == flEnvironmentSize)
            {
                return;
            }

            const auto scale = flEnvironmentSize / props.flEnvironmentSize;
            props.flEnvironmentSize = flEnvironmentSize;

            if ((props.dwFlags & EAX2LISTENERFLAGS_DECAYTIMESCALE) != 0)
            {
                props.flDecayTime = clamp(
                    props.flDecayTime * scale,
                    EAXREVERB_MINDECAYTIME,
                    EAXREVERB_MAXDECAYTIME);
            }

            if ((props.dwFlags & EAX2LISTENERFLAGS_REFLECTIONSSCALE) != 0 &&
                (props.dwFlags & EAX2LISTENERFLAGS_REFLECTIONSDELAYSCALE) != 0)
            {
                props.lReflections = clamp(
                    props.lReflections - static_cast<long>(gain_to_level_mb(scale)),
                    EAXREVERB_MINREFLECTIONS,
                    EAXREVERB_MAXREFLECTIONS);
            }

            if ((props.dwFlags & EAX2LISTENERFLAGS_REFLECTIONSDELAYSCALE) != 0)
            {
                props.flReflectionsDelay = clamp(
                    props.flReflectionsDelay * scale,
                    EAXREVERB_MINREFLECTIONSDELAY,
                    EAXREVERB_MAXREFLECTIONSDELAY);
            }

            if ((props.dwFlags & EAX2LISTENERFLAGS_REVERBSCALE) != 0)
            {
                const auto log_scalar = ((props.dwFlags & EAXREVERBFLAGS_DECAYTIMESCALE) != 0) ? 2'000.0F : 3'000.0F;

                props.lReverb = clamp(
                    props.lReverb - static_cast<long>(std::log10(scale) * log_scalar),
                    EAXREVERB_MINREVERB,
                    EAXREVERB_MAXREVERB);
            }

            if ((props.dwFlags & EAX2LISTENERFLAGS_REVERBDELAYSCALE) != 0)
            {
                props.flReverbDelay = clamp(
                    props.flReverbDelay * scale,
                    EAXREVERB_MINREVERBDELAY,
                    EAXREVERB_MAXREVERBDELAY);
            }
        }
    }; // EnvironmentSizeDeferrer2

    struct EnvironmentDeferrer3 {
        void operator()(Props3& props, unsigned long ulEnvironment) const
        {
            if (ulEnvironment == EAX_ENVIRONMENT_UNDEFINED)
            {
                props.ulEnvironment = EAX_ENVIRONMENT_UNDEFINED;
                return;
            }

            props = EAXREVERB_PRESETS[ulEnvironment];
        }
    }; // EnvironmentDeferrer3

    struct EnvironmentSizeDeferrer3 {
        void operator()(Props3& props, float flEnvironmentSize) const
        {
            if (props.flEnvironmentSize == flEnvironmentSize)
            {
                return;
            }

            const auto scale = flEnvironmentSize / props.flEnvironmentSize;
            props.ulEnvironment = EAX_ENVIRONMENT_UNDEFINED;
            props.flEnvironmentSize = flEnvironmentSize;

            if ((props.ulFlags & EAXREVERBFLAGS_DECAYTIMESCALE) != 0)
            {
                props.flDecayTime = clamp(
                    props.flDecayTime * scale,
                    EAXREVERB_MINDECAYTIME,
                    EAXREVERB_MAXDECAYTIME);
            }

            if ((props.ulFlags & EAXREVERBFLAGS_REFLECTIONSSCALE) != 0 &&
                (props.ulFlags & EAXREVERBFLAGS_REFLECTIONSDELAYSCALE) != 0)
            {
                props.lReflections = clamp(
                    props.lReflections - static_cast<long>(gain_to_level_mb(scale)),
                    EAXREVERB_MINREFLECTIONS,
                    EAXREVERB_MAXREFLECTIONS);
            }

            if ((props.ulFlags & EAXREVERBFLAGS_REFLECTIONSDELAYSCALE) != 0)
            {
                props.flReflectionsDelay = clamp(
                    props.flReflectionsDelay * scale,
                    EAXREVERB_MINREFLECTIONSDELAY,
                    EAXREVERB_MAXREFLECTIONSDELAY);
            }

            if ((props.ulFlags & EAXREVERBFLAGS_REVERBSCALE) != 0)
            {
                const auto log_scalar = ((props.ulFlags & EAXREVERBFLAGS_DECAYTIMESCALE) != 0) ? 2'000.0F : 3'000.0F;
                props.lReverb = clamp(
                    props.lReverb - static_cast<long>(std::log10(scale) * log_scalar),
                    EAXREVERB_MINREVERB,
                    EAXREVERB_MAXREVERB);
            }

            if ((props.ulFlags & EAXREVERBFLAGS_REVERBDELAYSCALE) != 0)
            {
                props.flReverbDelay = clamp(
                    props.flReverbDelay * scale,
                    EAXREVERB_MINREVERBDELAY,
                    EAXREVERB_MAXREVERBDELAY);
            }

            if ((props.ulFlags & EAXREVERBFLAGS_ECHOTIMESCALE) != 0)
            {
                props.flEchoTime = clamp(
                    props.flEchoTime * scale,
                    EAXREVERB_MINECHOTIME,
                    EAXREVERB_MAXECHOTIME);
            }

            if ((props.ulFlags & EAXREVERBFLAGS_MODULATIONTIMESCALE) != 0)
            {
                props.flModulationTime = clamp(
                    props.flModulationTime * scale,
                    EAXREVERB_MINMODULATIONTIME,
                    EAXREVERB_MAXMODULATIONTIME);
            }
        }
    }; // EnvironmentSizeDeferrer3

    int version_;
    bool changed_{};
    Props3 props_{};
    State1 state1_{};
    State2 state2_{};
    State3 state3_{};
    State3 state4_{};
    State3 state5_{};

    [[noreturn]] static void fail(const char* message);
    [[noreturn]] static void fail_unknown_property_id();
    [[noreturn]] static void fail_unknown_version();

    static void set_defaults(State1& state) noexcept;
    static void set_defaults(State2& state) noexcept;
    static void set_defaults(State3& state) noexcept;
    void set_defaults() noexcept;

    void set_current_defaults();

    void set_efx_density_from_environment_size() noexcept;
    void set_efx_diffusion() noexcept;
    void set_efx_gain() noexcept;
    void set_efx_gain_hf() noexcept;
    void set_efx_gain_lf() noexcept;
    void set_efx_decay_time() noexcept;
    void set_efx_decay_hf_ratio() noexcept;
    void set_efx_decay_lf_ratio() noexcept;
    void set_efx_reflections_gain() noexcept;
    void set_efx_reflections_delay() noexcept;
    void set_efx_reflections_pan() noexcept;
    void set_efx_late_reverb_gain() noexcept;
    void set_efx_late_reverb_delay() noexcept;
    void set_efx_late_reverb_pan() noexcept;
    void set_efx_echo_time() noexcept;
    void set_efx_echo_depth() noexcept;
    void set_efx_modulation_time() noexcept;
    void set_efx_modulation_depth() noexcept;
    void set_efx_air_absorption_gain_hf() noexcept;
    void set_efx_hf_reference() noexcept;
    void set_efx_lf_reference() noexcept;
    void set_efx_room_rolloff_factor() noexcept;
    void set_efx_flags() noexcept;
    void set_efx_defaults() noexcept;

    static void get1(const EaxCall& call, const Props1& props);
    static void get2(const EaxCall& call, const Props2& props);
    static void get3(const EaxCall& call, const Props3& props);
    void get(const EaxCall& call);

    template<typename TValidator, typename TProperty>
    static void defer(const EaxCall& call, TProperty& property)
    {
        const auto& value = call.get_value<Exception, const TProperty>();
        TValidator{}(value);
        property = value;
    }

    template<typename TValidator, typename TDeferrer, typename TProperties, typename TProperty>
    static void defer(const EaxCall& call, TProperties& properties, TProperty&)
    {
        const auto& value = call.get_value<Exception, const TProperty>();
        TValidator{}(value);
        TDeferrer{}(properties, value);
    }

    template<typename TValidator, typename TProperty>
    static void defer3(const EaxCall& call, Props3& properties, TProperty& property)
    {
        const auto& value = call.get_value<Exception, const TProperty>();
        TValidator{}(value);
        if (value == property)
            return;
        property = value;
        properties.ulEnvironment = EAX_ENVIRONMENT_UNDEFINED;
    }

    static void set1(const EaxCall& call, Props1& props);
    static void set2(const EaxCall& call, Props2& props);
    static void set3(const EaxCall& call, Props3& props);
    void set(const EaxCall& call);

    static void translate(const Props1& src, Props3& dst) noexcept;
    static void translate(const Props2& src, Props3& dst) noexcept;
}; // EaxReverbEffect

EaxReverbEffect::EaxReverbEffect(const EaxCall& call) noexcept
    : EaxEffect{AL_EFFECT_EAXREVERB}, version_{call.get_version()}
{
    set_defaults();
    set_current_defaults();
    set_efx_defaults();
}

void EaxReverbEffect::dispatch(const EaxCall& call)
{
    call.is_get() ? get(call) : set(call);
}

[[noreturn]] void EaxReverbEffect::fail(const char* message)
{
    throw Exception{message};
}

[[noreturn]] void EaxReverbEffect::fail_unknown_property_id()
{
    fail(EaxEffectErrorMessages::unknown_property_id());
}

[[noreturn]] void EaxReverbEffect::fail_unknown_version()
{
    fail(EaxEffectErrorMessages::unknown_version());
}

void EaxReverbEffect::set_defaults(State1& state) noexcept
{
    state.i = EAX1REVERB_PRESETS[EAX_ENVIRONMENT_GENERIC];
    state.d = state.i;
}

void EaxReverbEffect::set_defaults(State2& state) noexcept
{
    state.i = EAX2REVERB_PRESETS[EAX2_ENVIRONMENT_GENERIC];
    state.i.lRoom = initial_room2;
    state.d = state.i;
}

void EaxReverbEffect::set_defaults(State3& state) noexcept
{
    state.i = EAXREVERB_PRESETS[EAX_ENVIRONMENT_GENERIC];
    state.d = state.i;
}

void EaxReverbEffect::set_defaults() noexcept
{
    set_defaults(state1_);
    set_defaults(state2_);
    set_defaults(state3_);
    state4_ = state3_;
    state5_ = state3_;
}

void EaxReverbEffect::set_current_defaults()
{
    switch (version_)
    {
        case 1: translate(state1_.i, props_); break;
        case 2: translate(state2_.i, props_); break;
        case 3: props_ = state3_.i; break;
        case 4: props_ = state4_.i; break;
        case 5: props_ = state5_.i; break;
        default: fail_unknown_version();
    }
}

void EaxReverbEffect::set_efx_density_from_environment_size() noexcept
{
    const auto size = props_.flEnvironmentSize;
    const auto density = (size * size * size) / 16.0F;
    al_effect_props_.Reverb.Density = clamp(
        density,
        AL_EAXREVERB_MIN_DENSITY,
        AL_EAXREVERB_MAX_DENSITY);
}

void EaxReverbEffect::set_efx_diffusion() noexcept
{
    al_effect_props_.Reverb.Diffusion = clamp(
        props_.flEnvironmentDiffusion,
        AL_EAXREVERB_MIN_DIFFUSION,
        AL_EAXREVERB_MAX_DIFFUSION);
}

void EaxReverbEffect::set_efx_gain() noexcept
{
    al_effect_props_.Reverb.Gain = clamp(
        level_mb_to_gain(static_cast<float>(props_.lRoom)),
        AL_EAXREVERB_MIN_GAIN,
        AL_EAXREVERB_MAX_GAIN);
}

void EaxReverbEffect::set_efx_gain_hf() noexcept
{
    al_effect_props_.Reverb.GainHF = clamp(
        level_mb_to_gain(static_cast<float>(props_.lRoomHF)),
        AL_EAXREVERB_MIN_GAINHF,
        AL_EAXREVERB_MAX_GAINHF);
}

void EaxReverbEffect::set_efx_gain_lf() noexcept
{
    al_effect_props_.Reverb.GainLF = clamp(
        level_mb_to_gain(static_cast<float>(props_.lRoomLF)),
        AL_EAXREVERB_MIN_GAINLF,
        AL_EAXREVERB_MAX_GAINLF);
}

void EaxReverbEffect::set_efx_decay_time() noexcept
{
    al_effect_props_.Reverb.DecayTime = clamp(
        props_.flDecayTime,
        AL_EAXREVERB_MIN_DECAY_TIME,
        AL_EAXREVERB_MAX_DECAY_TIME);
}

void EaxReverbEffect::set_efx_decay_hf_ratio() noexcept
{
    al_effect_props_.Reverb.DecayHFRatio = clamp(
        props_.flDecayHFRatio,
        AL_EAXREVERB_MIN_DECAY_HFRATIO,
        AL_EAXREVERB_MAX_DECAY_HFRATIO);
}

void EaxReverbEffect::set_efx_decay_lf_ratio() noexcept
{
    al_effect_props_.Reverb.DecayLFRatio = clamp(
        props_.flDecayLFRatio,
        AL_EAXREVERB_MIN_DECAY_LFRATIO,
        AL_EAXREVERB_MAX_DECAY_LFRATIO);
}

void EaxReverbEffect::set_efx_reflections_gain() noexcept
{
    al_effect_props_.Reverb.ReflectionsGain = clamp(
        level_mb_to_gain(static_cast<float>(props_.lReflections)),
        AL_EAXREVERB_MIN_REFLECTIONS_GAIN,
        AL_EAXREVERB_MAX_REFLECTIONS_GAIN);
}

void EaxReverbEffect::set_efx_reflections_delay() noexcept
{
    al_effect_props_.Reverb.ReflectionsDelay = clamp(
        props_.flReflectionsDelay,
        AL_EAXREVERB_MIN_REFLECTIONS_DELAY,
        AL_EAXREVERB_MAX_REFLECTIONS_DELAY);
}

void EaxReverbEffect::set_efx_reflections_pan() noexcept
{
    al_effect_props_.Reverb.ReflectionsPan[0] = props_.vReflectionsPan.x;
    al_effect_props_.Reverb.ReflectionsPan[1] = props_.vReflectionsPan.y;
    al_effect_props_.Reverb.ReflectionsPan[2] = props_.vReflectionsPan.z;
}

void EaxReverbEffect::set_efx_late_reverb_gain() noexcept
{
    al_effect_props_.Reverb.LateReverbGain = clamp(
        level_mb_to_gain(static_cast<float>(props_.lReverb)),
        AL_EAXREVERB_MIN_LATE_REVERB_GAIN,
        AL_EAXREVERB_MAX_LATE_REVERB_GAIN);
}

void EaxReverbEffect::set_efx_late_reverb_delay() noexcept
{
    al_effect_props_.Reverb.LateReverbDelay = clamp(
        props_.flReverbDelay,
        AL_EAXREVERB_MIN_LATE_REVERB_DELAY,
        AL_EAXREVERB_MAX_LATE_REVERB_DELAY);
}

void EaxReverbEffect::set_efx_late_reverb_pan() noexcept
{
    al_effect_props_.Reverb.LateReverbPan[0] = props_.vReverbPan.x;
    al_effect_props_.Reverb.LateReverbPan[1] = props_.vReverbPan.y;
    al_effect_props_.Reverb.LateReverbPan[2] = props_.vReverbPan.z;
}

void EaxReverbEffect::set_efx_echo_time() noexcept
{
    al_effect_props_.Reverb.EchoTime = clamp(
        props_.flEchoTime,
        AL_EAXREVERB_MIN_ECHO_TIME,
        AL_EAXREVERB_MAX_ECHO_TIME);
}

void EaxReverbEffect::set_efx_echo_depth() noexcept
{
    al_effect_props_.Reverb.EchoDepth = clamp(
        props_.flEchoDepth,
        AL_EAXREVERB_MIN_ECHO_DEPTH,
        AL_EAXREVERB_MAX_ECHO_DEPTH);
}

void EaxReverbEffect::set_efx_modulation_time() noexcept
{
    al_effect_props_.Reverb.ModulationTime = clamp(
        props_.flModulationTime,
        AL_EAXREVERB_MIN_MODULATION_TIME,
        AL_EAXREVERB_MAX_MODULATION_TIME);
}

void EaxReverbEffect::set_efx_modulation_depth() noexcept
{
    al_effect_props_.Reverb.ModulationDepth = clamp(
        props_.flModulationDepth,
        AL_EAXREVERB_MIN_MODULATION_DEPTH,
        AL_EAXREVERB_MAX_MODULATION_DEPTH);
}

void EaxReverbEffect::set_efx_air_absorption_gain_hf() noexcept
{
    al_effect_props_.Reverb.AirAbsorptionGainHF = clamp(
        level_mb_to_gain(props_.flAirAbsorptionHF),
        AL_EAXREVERB_MIN_AIR_ABSORPTION_GAINHF,
        AL_EAXREVERB_MAX_AIR_ABSORPTION_GAINHF);
}

void EaxReverbEffect::set_efx_hf_reference() noexcept
{
    al_effect_props_.Reverb.HFReference = clamp(
        props_.flHFReference,
        AL_EAXREVERB_MIN_HFREFERENCE,
        AL_EAXREVERB_MAX_HFREFERENCE);
}

void EaxReverbEffect::set_efx_lf_reference() noexcept
{
    al_effect_props_.Reverb.LFReference = clamp(
        props_.flLFReference,
        AL_EAXREVERB_MIN_LFREFERENCE,
        AL_EAXREVERB_MAX_LFREFERENCE);
}

void EaxReverbEffect::set_efx_room_rolloff_factor() noexcept
{
    al_effect_props_.Reverb.RoomRolloffFactor = clamp(
        props_.flRoomRolloffFactor,
        AL_EAXREVERB_MIN_ROOM_ROLLOFF_FACTOR,
        AL_EAXREVERB_MAX_ROOM_ROLLOFF_FACTOR);
}

void EaxReverbEffect::set_efx_flags() noexcept
{
    al_effect_props_.Reverb.DecayHFLimit = ((props_.ulFlags & EAXREVERBFLAGS_DECAYHFLIMIT) != 0);
}

void EaxReverbEffect::set_efx_defaults() noexcept
{
    set_efx_density_from_environment_size();
    set_efx_diffusion();
    set_efx_gain();
    set_efx_gain_hf();
    set_efx_gain_lf();
    set_efx_decay_time();
    set_efx_decay_hf_ratio();
    set_efx_decay_lf_ratio();
    set_efx_reflections_gain();
    set_efx_reflections_delay();
    set_efx_reflections_pan();
    set_efx_late_reverb_gain();
    set_efx_late_reverb_delay();
    set_efx_late_reverb_pan();
    set_efx_echo_time();
    set_efx_echo_depth();
    set_efx_modulation_time();
    set_efx_modulation_depth();
    set_efx_air_absorption_gain_hf();
    set_efx_hf_reference();
    set_efx_lf_reference();
    set_efx_room_rolloff_factor();
    set_efx_flags();
}

void EaxReverbEffect::get1(const EaxCall& call, const Props1& props)
{
    switch(call.get_property_id())
    {
        case DSPROPERTY_EAX_ALL: call.set_value<Exception>(props); break;
        case DSPROPERTY_EAX_ENVIRONMENT: call.set_value<Exception>(props.environment); break;
        case DSPROPERTY_EAX_VOLUME: call.set_value<Exception>(props.fVolume); break;
        case DSPROPERTY_EAX_DECAYTIME: call.set_value<Exception>(props.fDecayTime_sec); break;
        case DSPROPERTY_EAX_DAMPING: call.set_value<Exception>(props.fDamping); break;
        default: fail_unknown_property_id();
    }
}

void EaxReverbEffect::get2(const EaxCall& call, const Props2& props)
{
    switch(call.get_property_id())
    {
        case DSPROPERTY_EAX20LISTENER_NONE: break;
        case DSPROPERTY_EAX20LISTENER_ALLPARAMETERS: call.set_value<Exception>(props); break;
        case DSPROPERTY_EAX20LISTENER_ROOM: call.set_value<Exception>(props.lRoom); break;
        case DSPROPERTY_EAX20LISTENER_ROOMHF: call.set_value<Exception>(props.lRoomHF); break;
        case DSPROPERTY_EAX20LISTENER_ROOMROLLOFFFACTOR: call.set_value<Exception>(props.flRoomRolloffFactor); break;
        case DSPROPERTY_EAX20LISTENER_DECAYTIME: call.set_value<Exception>(props.flDecayTime); break;
        case DSPROPERTY_EAX20LISTENER_DECAYHFRATIO: call.set_value<Exception>(props.flDecayHFRatio); break;
        case DSPROPERTY_EAX20LISTENER_REFLECTIONS: call.set_value<Exception>(props.lReflections); break;
        case DSPROPERTY_EAX20LISTENER_REFLECTIONSDELAY: call.set_value<Exception>(props.flReverbDelay); break;
        case DSPROPERTY_EAX20LISTENER_REVERB: call.set_value<Exception>(props.lReverb); break;
        case DSPROPERTY_EAX20LISTENER_REVERBDELAY: call.set_value<Exception>(props.flReverbDelay); break;
        case DSPROPERTY_EAX20LISTENER_ENVIRONMENT: call.set_value<Exception>(props.dwEnvironment); break;
        case DSPROPERTY_EAX20LISTENER_ENVIRONMENTSIZE: call.set_value<Exception>(props.flEnvironmentSize); break;
        case DSPROPERTY_EAX20LISTENER_ENVIRONMENTDIFFUSION: call.set_value<Exception>(props.flEnvironmentDiffusion); break;
        case DSPROPERTY_EAX20LISTENER_AIRABSORPTIONHF: call.set_value<Exception>(props.flAirAbsorptionHF); break;
        case DSPROPERTY_EAX20LISTENER_FLAGS: call.set_value<Exception>(props.dwFlags); break;
        default: fail_unknown_property_id();
    }
}

void EaxReverbEffect::get3(const EaxCall& call, const Props3& props)
{
    switch(call.get_property_id())
    {
        case EAXREVERB_NONE: break;
        case EAXREVERB_ALLPARAMETERS: call.set_value<Exception>(props); break;
        case EAXREVERB_ENVIRONMENT: call.set_value<Exception>(props.ulEnvironment); break;
        case EAXREVERB_ENVIRONMENTSIZE: call.set_value<Exception>(props.flEnvironmentSize); break;
        case EAXREVERB_ENVIRONMENTDIFFUSION: call.set_value<Exception>(props.flEnvironmentDiffusion); break;
        case EAXREVERB_ROOM: call.set_value<Exception>(props.lRoom); break;
        case EAXREVERB_ROOMHF: call.set_value<Exception>(props.lRoomHF); break;
        case EAXREVERB_ROOMLF: call.set_value<Exception>(props.lRoomLF); break;
        case EAXREVERB_DECAYTIME: call.set_value<Exception>(props.flDecayTime); break;
        case EAXREVERB_DECAYHFRATIO: call.set_value<Exception>(props.flDecayHFRatio); break;
        case EAXREVERB_DECAYLFRATIO: call.set_value<Exception>(props.flDecayLFRatio); break;
        case EAXREVERB_REFLECTIONS: call.set_value<Exception>(props.lReflections); break;
        case EAXREVERB_REFLECTIONSDELAY: call.set_value<Exception>(props.flReflectionsDelay); break;
        case EAXREVERB_REFLECTIONSPAN: call.set_value<Exception>(props.vReflectionsPan); break;
        case EAXREVERB_REVERB: call.set_value<Exception>(props.lReverb); break;
        case EAXREVERB_REVERBDELAY: call.set_value<Exception>(props.flReverbDelay); break;
        case EAXREVERB_REVERBPAN: call.set_value<Exception>(props.vReverbPan); break;
        case EAXREVERB_ECHOTIME: call.set_value<Exception>(props.flEchoTime); break;
        case EAXREVERB_ECHODEPTH: call.set_value<Exception>(props.flEchoDepth); break;
        case EAXREVERB_MODULATIONTIME: call.set_value<Exception>(props.flModulationTime); break;
        case EAXREVERB_MODULATIONDEPTH: call.set_value<Exception>(props.flModulationDepth); break;
        case EAXREVERB_AIRABSORPTIONHF: call.set_value<Exception>(props.flAirAbsorptionHF); break;
        case EAXREVERB_HFREFERENCE: call.set_value<Exception>(props.flHFReference); break;
        case EAXREVERB_LFREFERENCE: call.set_value<Exception>(props.flLFReference); break;
        case EAXREVERB_ROOMROLLOFFFACTOR: call.set_value<Exception>(props.flRoomRolloffFactor); break;
        case EAXREVERB_FLAGS: call.set_value<Exception>(props.ulFlags); break;
        default: fail_unknown_property_id();
    }
}

void EaxReverbEffect::get(const EaxCall& call)
{
    const auto version = call.get_version();

    switch (version)
    {
        case 1: get1(call, state1_.i); break;
        case 2: get2(call, state2_.i); break;
        case 3: get3(call, state3_.i); break;
        case 4: get3(call, state4_.i); break;
        case 5: get3(call, state5_.i); break;
        default: fail_unknown_version();
    }

    version_ = version;
}

/*[[nodiscard]]*/ bool EaxReverbEffect::commit()
{
    if(!changed_)
        return false;
    changed_ = false;

    const auto props = props_;
    switch(version_)
    {
    case 1:
        state1_.i = state1_.d;
        translate(state1_.d, props_);
        break;
    case 2:
        state2_.i = state2_.d;
        translate(state2_.d, props_);
        break;
    case 3:
        state3_.i = state3_.d;
        props_ = state3_.d;
        break;
    case 4:
        state4_.i = state4_.d;
        props_ = state4_.d;
        break;
    case 5:
        state5_.i = state5_.d;
        props_ = state5_.d;
        break;

    default:
        fail_unknown_version();
    }

    auto is_dirty = false;

    if (props_.flEnvironmentSize != props.flEnvironmentSize)
    {
        is_dirty = true;
        set_efx_density_from_environment_size();
    }

    if (props_.flEnvironmentDiffusion != props.flEnvironmentDiffusion)
    {
        is_dirty = true;
        set_efx_diffusion();
    }

    if (props_.lRoom != props.lRoom)
    {
        is_dirty = true;
        set_efx_gain();
    }

    if (props_.lRoomHF != props.lRoomHF)
    {
        is_dirty = true;
        set_efx_gain_hf();
    }

    if (props_.lRoomLF != props.lRoomLF)
    {
        is_dirty = true;
        set_efx_gain_lf();
    }

    if (props_.flDecayTime != props.flDecayTime)
    {
        is_dirty = true;
        set_efx_decay_time();
    }

    if (props_.flDecayHFRatio != props.flDecayHFRatio)
    {
        is_dirty = true;
        set_efx_decay_hf_ratio();
    }

    if (props_.flDecayLFRatio != props.flDecayLFRatio)
    {
        is_dirty = true;
        set_efx_decay_lf_ratio();
    }

    if (props_.lReflections != props.lReflections)
    {
        is_dirty = true;
        set_efx_reflections_gain();
    }

    if (props_.flReflectionsDelay != props.flReflectionsDelay)
    {
        is_dirty = true;
        set_efx_reflections_delay();
    }

    if (props_.vReflectionsPan != props.vReflectionsPan)
    {
        is_dirty = true;
        set_efx_reflections_pan();
    }

    if (props_.lReverb != props.lReverb)
    {
        is_dirty = true;
        set_efx_late_reverb_gain();
    }

    if (props_.flReverbDelay != props.flReverbDelay)
    {
        is_dirty = true;
        set_efx_late_reverb_delay();
    }

    if (props_.vReverbPan != props.vReverbPan)
    {
        is_dirty = true;
        set_efx_late_reverb_pan();
    }

    if (props_.flEchoTime != props.flEchoTime)
    {
        is_dirty = true;
        set_efx_echo_time();
    }

    if (props_.flEchoDepth != props.flEchoDepth)
    {
        is_dirty = true;
        set_efx_echo_depth();
    }

    if (props_.flModulationTime != props.flModulationTime)
    {
        is_dirty = true;
        set_efx_modulation_time();
    }

    if (props_.flModulationDepth != props.flModulationDepth)
    {
        is_dirty = true;
        set_efx_modulation_depth();
    }

    if (props_.flAirAbsorptionHF != props.flAirAbsorptionHF)
    {
        is_dirty = true;
        set_efx_air_absorption_gain_hf();
    }

    if (props_.flHFReference != props.flHFReference)
    {
        is_dirty = true;
        set_efx_hf_reference();
    }

    if (props_.flLFReference != props.flLFReference)
    {
        is_dirty = true;
        set_efx_lf_reference();
    }

    if (props_.flRoomRolloffFactor != props.flRoomRolloffFactor)
    {
        is_dirty = true;
        set_efx_room_rolloff_factor();
    }

    if (props_.ulFlags != props.ulFlags)
    {
        is_dirty = true;
        set_efx_flags();
    }

    return is_dirty;
}

void EaxReverbEffect::set1(const EaxCall& call, Props1& props)
{
    switch (call.get_property_id())
    {
        case DSPROPERTY_EAX_ALL: defer<AllValidator1>(call, props); break;
        case DSPROPERTY_EAX_ENVIRONMENT: defer<EnvironmentValidator1>(call, props.environment); break;
        case DSPROPERTY_EAX_VOLUME: defer<VolumeValidator>(call, props.fVolume); break;
        case DSPROPERTY_EAX_DECAYTIME: defer<DecayTimeValidator>(call, props.fDecayTime_sec); break;
        case DSPROPERTY_EAX_DAMPING: defer<DampingValidator>(call, props.fDamping); break;
        default: fail_unknown_property_id();
    }
}

void EaxReverbEffect::set2(const EaxCall& call, Props2& props)
{
    switch (call.get_property_id())
    {
        case DSPROPERTY_EAX20LISTENER_NONE:
            break;

        case DSPROPERTY_EAX20LISTENER_ALLPARAMETERS:
            defer<AllValidator2>(call, props);
            break;

        case DSPROPERTY_EAX20LISTENER_ROOM:
            defer<RoomValidator>(call, props.lRoom);
            break;

        case DSPROPERTY_EAX20LISTENER_ROOMHF:
            defer<RoomHFValidator>(call, props.lRoomHF);
            break;

        case DSPROPERTY_EAX20LISTENER_ROOMROLLOFFFACTOR:
            defer<RoomRolloffFactorValidator>(call, props.flRoomRolloffFactor);
            break;

        case DSPROPERTY_EAX20LISTENER_DECAYTIME:
            defer<DecayTimeValidator>(call, props.flDecayTime);
            break;

        case DSPROPERTY_EAX20LISTENER_DECAYHFRATIO:
            defer<DecayHFRatioValidator>(call, props.flDecayHFRatio);
            break;

        case DSPROPERTY_EAX20LISTENER_REFLECTIONS:
            defer<ReflectionsValidator>(call, props.lReflections);
            break;

        case DSPROPERTY_EAX20LISTENER_REFLECTIONSDELAY:
            defer<ReflectionsDelayValidator>(call, props.flReverbDelay);
            break;

        case DSPROPERTY_EAX20LISTENER_REVERB:
            defer<ReverbValidator>(call, props.lReverb);
            break;

        case DSPROPERTY_EAX20LISTENER_REVERBDELAY:
            defer<ReverbDelayValidator>(call, props.flReverbDelay);
            break;

        case DSPROPERTY_EAX20LISTENER_ENVIRONMENT:
            defer<EnvironmentValidator1, EnvironmentDeferrer2>(call, props, props.dwEnvironment);
            break;

        case DSPROPERTY_EAX20LISTENER_ENVIRONMENTSIZE:
            defer<EnvironmentSizeValidator, EnvironmentSizeDeferrer2>(call, props, props.flEnvironmentSize);
            break;

        case DSPROPERTY_EAX20LISTENER_ENVIRONMENTDIFFUSION:
            defer<EnvironmentDiffusionValidator>(call, props.flEnvironmentDiffusion);
            break;

        case DSPROPERTY_EAX20LISTENER_AIRABSORPTIONHF:
            defer<AirAbsorptionHFValidator>(call, props.flAirAbsorptionHF);
            break;

        case DSPROPERTY_EAX20LISTENER_FLAGS:
            defer<FlagsValidator2>(call, props.dwFlags);
            break;

        default:
            fail_unknown_property_id();
    }
}

void EaxReverbEffect::set3(const EaxCall& call, Props3& props)
{
    switch(call.get_property_id())
    {
        case EAXREVERB_NONE:
            break;

        case EAXREVERB_ALLPARAMETERS:
            defer<AllValidator3>(call, props);
            break;

        case EAXREVERB_ENVIRONMENT:
            defer<EnvironmentValidator3, EnvironmentDeferrer3>(call, props, props.ulEnvironment);
            break;

        case EAXREVERB_ENVIRONMENTSIZE:
            defer<EnvironmentSizeValidator, EnvironmentSizeDeferrer3>(call, props, props.flEnvironmentSize);
            break;

        case EAXREVERB_ENVIRONMENTDIFFUSION:
            defer3<EnvironmentDiffusionValidator>(call, props, props.flEnvironmentDiffusion);
            break;

        case EAXREVERB_ROOM:
            defer3<RoomValidator>(call, props, props.lRoom);
            break;

        case EAXREVERB_ROOMHF:
            defer3<RoomHFValidator>(call, props, props.lRoomHF);
            break;

        case EAXREVERB_ROOMLF:
            defer3<RoomLFValidator>(call, props, props.lRoomLF);
            break;

        case EAXREVERB_DECAYTIME:
            defer3<DecayTimeValidator>(call, props, props.flDecayTime);
            break;

        case EAXREVERB_DECAYHFRATIO:
            defer3<DecayHFRatioValidator>(call, props, props.flDecayHFRatio);
            break;

        case EAXREVERB_DECAYLFRATIO:
            defer3<DecayLFRatioValidator>(call, props, props.flDecayLFRatio);
            break;

        case EAXREVERB_REFLECTIONS:
            defer3<ReflectionsValidator>(call, props, props.lReflections);
            break;

        case EAXREVERB_REFLECTIONSDELAY:
            defer3<ReflectionsDelayValidator>(call, props, props.flReflectionsDelay);
            break;

        case EAXREVERB_REFLECTIONSPAN:
            defer3<VectorValidator>(call, props, props.vReflectionsPan);
            break;

        case EAXREVERB_REVERB:
            defer3<ReverbValidator>(call, props, props.lReverb);
            break;

        case EAXREVERB_REVERBDELAY:
            defer3<ReverbDelayValidator>(call, props, props.flReverbDelay);
            break;

        case EAXREVERB_REVERBPAN:
            defer3<VectorValidator>(call, props, props.vReverbPan);
            break;

        case EAXREVERB_ECHOTIME:
            defer3<EchoTimeValidator>(call, props, props.flEchoTime);
            break;

        case EAXREVERB_ECHODEPTH:
            defer3<EchoDepthValidator>(call, props, props.flEchoDepth);
            break;

        case EAXREVERB_MODULATIONTIME:
            defer3<ModulationTimeValidator>(call, props, props.flModulationTime);
            break;

        case EAXREVERB_MODULATIONDEPTH:
            defer3<ModulationDepthValidator>(call, props, props.flModulationDepth);
            break;

        case EAXREVERB_AIRABSORPTIONHF:
            defer3<AirAbsorptionHFValidator>(call, props, props.flAirAbsorptionHF);
            break;

        case EAXREVERB_HFREFERENCE:
            defer3<HFReferenceValidator>(call, props, props.flHFReference);
            break;

        case EAXREVERB_LFREFERENCE:
            defer3<LFReferenceValidator>(call, props, props.flLFReference);
            break;

        case EAXREVERB_ROOMROLLOFFFACTOR:
            defer3<RoomRolloffFactorValidator>(call, props, props.flRoomRolloffFactor);
            break;

        case EAXREVERB_FLAGS:
            defer3<FlagsValidator3>(call, props, props.ulFlags);
            break;

        default:
            fail_unknown_property_id();
    }
}

void EaxReverbEffect::set(const EaxCall& call)
{
    const auto version = call.get_version();
    switch(version)
    {
    case 1: set1(call, state1_.d); break;
    case 2: set2(call, state2_.d); break;
    case 3: set3(call, state3_.d); break;
    case 4: set3(call, state4_.d); break;
    case 5: set3(call, state5_.d); break;
    default: fail_unknown_version();
    }
    changed_ = true;
    version_ = version;
}

void EaxReverbEffect::translate(const Props1& src, Props3& dst) noexcept
{
    assert(src.environment <= EAX1REVERB_MAXENVIRONMENT);
    dst = EAXREVERB_PRESETS[src.environment];
    dst.flDecayTime = src.fDecayTime_sec;
    dst.flDecayHFRatio = src.fDamping;
    dst.lReverb = mini(static_cast<int>(gain_to_level_mb(src.fVolume)), 0);
}

void EaxReverbEffect::translate(const Props2& src, Props3& dst) noexcept
{
    assert(src.dwEnvironment <= EAX1REVERB_MAXENVIRONMENT);
    const auto& env = EAXREVERB_PRESETS[src.dwEnvironment];
    dst.ulEnvironment = src.dwEnvironment;
    dst.flEnvironmentSize = src.flEnvironmentSize;
    dst.flEnvironmentDiffusion = src.flEnvironmentDiffusion;
    dst.lRoom = src.lRoom;
    dst.lRoomHF = src.lRoomHF;
    dst.lRoomLF = env.lRoomLF;
    dst.flDecayTime = src.flDecayTime;
    dst.flDecayHFRatio = src.flDecayHFRatio;
    dst.flDecayLFRatio = env.flDecayLFRatio;
    dst.lReflections = src.lReflections;
    dst.flReflectionsDelay = src.flReflectionsDelay;
    dst.vReflectionsPan = env.vReflectionsPan;
    dst.lReverb = src.lReverb;
    dst.flReverbDelay = src.flReverbDelay;
    dst.vReverbPan = env.vReverbPan;
    dst.flEchoTime = env.flEchoTime;
    dst.flEchoDepth = env.flEchoDepth;
    dst.flModulationTime = env.flModulationTime;
    dst.flModulationDepth = env.flModulationDepth;
    dst.flAirAbsorptionHF = src.flAirAbsorptionHF;
    dst.flHFReference = env.flHFReference;
    dst.flLFReference = env.flLFReference;
    dst.flRoomRolloffFactor = src.flRoomRolloffFactor;
    dst.ulFlags = src.dwFlags;
}

} // namespace

EaxEffectUPtr eax_create_eax_reverb_effect(const EaxCall& call)
{
    return std::make_unique<EaxReverbEffect>(call);
}

#endif // ALSOFT_EAX