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#include "config.h"
#include <cmath>
#include <cstdlib>
#include <algorithm>
#include "AL/efx.h"
#include "alc/effects/base.h"
#include "effects.h"
#ifdef ALSOFT_EAX
#include "alnumeric.h"
#include "al/eax/exception.h"
#include "al/eax/utils.h"
#endif // ALSOFT_EAX
namespace {
void Autowah_setParamf(EffectProps *props, ALenum param, float val)
{
switch(param)
{
case AL_AUTOWAH_ATTACK_TIME:
if(!(val >= AL_AUTOWAH_MIN_ATTACK_TIME && val <= AL_AUTOWAH_MAX_ATTACK_TIME))
throw effect_exception{AL_INVALID_VALUE, "Autowah attack time out of range"};
props->Autowah.AttackTime = val;
break;
case AL_AUTOWAH_RELEASE_TIME:
if(!(val >= AL_AUTOWAH_MIN_RELEASE_TIME && val <= AL_AUTOWAH_MAX_RELEASE_TIME))
throw effect_exception{AL_INVALID_VALUE, "Autowah release time out of range"};
props->Autowah.ReleaseTime = val;
break;
case AL_AUTOWAH_RESONANCE:
if(!(val >= AL_AUTOWAH_MIN_RESONANCE && val <= AL_AUTOWAH_MAX_RESONANCE))
throw effect_exception{AL_INVALID_VALUE, "Autowah resonance out of range"};
props->Autowah.Resonance = val;
break;
case AL_AUTOWAH_PEAK_GAIN:
if(!(val >= AL_AUTOWAH_MIN_PEAK_GAIN && val <= AL_AUTOWAH_MAX_PEAK_GAIN))
throw effect_exception{AL_INVALID_VALUE, "Autowah peak gain out of range"};
props->Autowah.PeakGain = val;
break;
default:
throw effect_exception{AL_INVALID_ENUM, "Invalid autowah float property 0x%04x", param};
}
}
void Autowah_setParamfv(EffectProps *props, ALenum param, const float *vals)
{ Autowah_setParamf(props, param, vals[0]); }
void Autowah_setParami(EffectProps*, ALenum param, int)
{ throw effect_exception{AL_INVALID_ENUM, "Invalid autowah integer property 0x%04x", param}; }
void Autowah_setParamiv(EffectProps*, ALenum param, const int*)
{
throw effect_exception{AL_INVALID_ENUM, "Invalid autowah integer vector property 0x%04x",
param};
}
void Autowah_getParamf(const EffectProps *props, ALenum param, float *val)
{
switch(param)
{
case AL_AUTOWAH_ATTACK_TIME:
*val = props->Autowah.AttackTime;
break;
case AL_AUTOWAH_RELEASE_TIME:
*val = props->Autowah.ReleaseTime;
break;
case AL_AUTOWAH_RESONANCE:
*val = props->Autowah.Resonance;
break;
case AL_AUTOWAH_PEAK_GAIN:
*val = props->Autowah.PeakGain;
break;
default:
throw effect_exception{AL_INVALID_ENUM, "Invalid autowah float property 0x%04x", param};
}
}
void Autowah_getParamfv(const EffectProps *props, ALenum param, float *vals)
{ Autowah_getParamf(props, param, vals); }
void Autowah_getParami(const EffectProps*, ALenum param, int*)
{ throw effect_exception{AL_INVALID_ENUM, "Invalid autowah integer property 0x%04x", param}; }
void Autowah_getParamiv(const EffectProps*, ALenum param, int*)
{
throw effect_exception{AL_INVALID_ENUM, "Invalid autowah integer vector property 0x%04x",
param};
}
EffectProps genDefaultProps() noexcept
{
EffectProps props{};
props.Autowah.AttackTime = AL_AUTOWAH_DEFAULT_ATTACK_TIME;
props.Autowah.ReleaseTime = AL_AUTOWAH_DEFAULT_RELEASE_TIME;
props.Autowah.Resonance = AL_AUTOWAH_DEFAULT_RESONANCE;
props.Autowah.PeakGain = AL_AUTOWAH_DEFAULT_PEAK_GAIN;
return props;
}
} // namespace
DEFINE_ALEFFECT_VTABLE(Autowah);
const EffectProps AutowahEffectProps{genDefaultProps()};
#ifdef ALSOFT_EAX
namespace {
using AutowahCommitter = EaxCommitter<EaxAutowahCommitter>;
struct AttackTimeValidator {
void operator()(float flAttackTime) const
{
eax_validate_range<AutowahCommitter::Exception>(
"Attack Time",
flAttackTime,
EAXAUTOWAH_MINATTACKTIME,
EAXAUTOWAH_MAXATTACKTIME);
}
}; // AttackTimeValidator
struct ReleaseTimeValidator {
void operator()(float flReleaseTime) const
{
eax_validate_range<AutowahCommitter::Exception>(
"Release Time",
flReleaseTime,
EAXAUTOWAH_MINRELEASETIME,
EAXAUTOWAH_MAXRELEASETIME);
}
}; // ReleaseTimeValidator
struct ResonanceValidator {
void operator()(long lResonance) const
{
eax_validate_range<AutowahCommitter::Exception>(
"Resonance",
lResonance,
EAXAUTOWAH_MINRESONANCE,
EAXAUTOWAH_MAXRESONANCE);
}
}; // ResonanceValidator
struct PeakLevelValidator {
void operator()(long lPeakLevel) const
{
eax_validate_range<AutowahCommitter::Exception>(
"Peak Level",
lPeakLevel,
EAXAUTOWAH_MINPEAKLEVEL,
EAXAUTOWAH_MAXPEAKLEVEL);
}
}; // PeakLevelValidator
struct AllValidator {
void operator()(const EAXAUTOWAHPROPERTIES& all) const
{
AttackTimeValidator{}(all.flAttackTime);
ReleaseTimeValidator{}(all.flReleaseTime);
ResonanceValidator{}(all.lResonance);
PeakLevelValidator{}(all.lPeakLevel);
}
}; // AllValidator
} // namespace
template<>
struct AutowahCommitter::Exception : public EaxException
{
explicit Exception(const char *message) : EaxException{"EAX_AUTOWAH_EFFECT", message}
{ }
};
template<>
[[noreturn]] void AutowahCommitter::fail(const char *message)
{
throw Exception{message};
}
template<>
bool AutowahCommitter::commit(const EaxEffectProps &props)
{
if(props == mEaxProps)
return false;
mEaxProps = props;
auto &eaxprops = std::get<EAXAUTOWAHPROPERTIES>(props);
mAlProps.Autowah.AttackTime = eaxprops.flAttackTime;
mAlProps.Autowah.ReleaseTime = eaxprops.flReleaseTime;
mAlProps.Autowah.Resonance = level_mb_to_gain(static_cast<float>(eaxprops.lResonance));
mAlProps.Autowah.PeakGain = level_mb_to_gain(static_cast<float>(eaxprops.lPeakLevel));
return true;
}
template<>
void AutowahCommitter::SetDefaults(EaxEffectProps &props)
{
static constexpr EAXAUTOWAHPROPERTIES defprops{[]
{
EAXAUTOWAHPROPERTIES ret{};
ret.flAttackTime = EAXAUTOWAH_DEFAULTATTACKTIME;
ret.flReleaseTime = EAXAUTOWAH_DEFAULTRELEASETIME;
ret.lResonance = EAXAUTOWAH_DEFAULTRESONANCE;
ret.lPeakLevel = EAXAUTOWAH_DEFAULTPEAKLEVEL;
return ret;
}()};
props = defprops;
}
template<>
void AutowahCommitter::Get(const EaxCall &call, const EaxEffectProps &props_)
{
auto &props = std::get<EAXAUTOWAHPROPERTIES>(props_);
switch(call.get_property_id())
{
case EAXAUTOWAH_NONE: break;
case EAXAUTOWAH_ALLPARAMETERS: call.set_value<Exception>(props); break;
case EAXAUTOWAH_ATTACKTIME: call.set_value<Exception>(props.flAttackTime); break;
case EAXAUTOWAH_RELEASETIME: call.set_value<Exception>(props.flReleaseTime); break;
case EAXAUTOWAH_RESONANCE: call.set_value<Exception>(props.lResonance); break;
case EAXAUTOWAH_PEAKLEVEL: call.set_value<Exception>(props.lPeakLevel); break;
default: fail_unknown_property_id();
}
}
template<>
void AutowahCommitter::Set(const EaxCall &call, EaxEffectProps &props_)
{
auto &props = std::get<EAXAUTOWAHPROPERTIES>(props_);
switch(call.get_property_id())
{
case EAXAUTOWAH_NONE: break;
case EAXAUTOWAH_ALLPARAMETERS: defer<AllValidator>(call, props); break;
case EAXAUTOWAH_ATTACKTIME: defer<AttackTimeValidator>(call, props.flAttackTime); break;
case EAXAUTOWAH_RELEASETIME: defer<ReleaseTimeValidator>(call, props.flReleaseTime); break;
case EAXAUTOWAH_RESONANCE: defer<ResonanceValidator>(call, props.lResonance); break;
case EAXAUTOWAH_PEAKLEVEL: defer<PeakLevelValidator>(call, props.lPeakLevel); break;
default: fail_unknown_property_id();
}
}
#endif // ALSOFT_EAX
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