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#include "config.h"
#include <stdexcept>
#include "AL/al.h"
#include "AL/efx.h"
#include "alc/effects/base.h"
#include "aloptional.h"
#include "effects.h"
namespace {
al::optional<ModulatorWaveform> WaveformFromEmum(ALenum value)
{
switch(value)
{
case AL_RING_MODULATOR_SINUSOID: return al::make_optional(ModulatorWaveform::Sinusoid);
case AL_RING_MODULATOR_SAWTOOTH: return al::make_optional(ModulatorWaveform::Sawtooth);
case AL_RING_MODULATOR_SQUARE: return al::make_optional(ModulatorWaveform::Square);
}
return al::nullopt;
}
ALenum EnumFromWaveform(ModulatorWaveform type)
{
switch(type)
{
case ModulatorWaveform::Sinusoid: return AL_RING_MODULATOR_SINUSOID;
case ModulatorWaveform::Sawtooth: return AL_RING_MODULATOR_SAWTOOTH;
case ModulatorWaveform::Square: return AL_RING_MODULATOR_SQUARE;
}
throw std::runtime_error{"Invalid modulator waveform: " +
std::to_string(static_cast<int>(type))};
}
void Modulator_setParamf(EffectProps *props, ALenum param, float val)
{
switch(param)
{
case AL_RING_MODULATOR_FREQUENCY:
if(!(val >= AL_RING_MODULATOR_MIN_FREQUENCY && val <= AL_RING_MODULATOR_MAX_FREQUENCY))
throw effect_exception{AL_INVALID_VALUE, "Modulator frequency out of range: %f", val};
props->Modulator.Frequency = val;
break;
case AL_RING_MODULATOR_HIGHPASS_CUTOFF:
if(!(val >= AL_RING_MODULATOR_MIN_HIGHPASS_CUTOFF && val <= AL_RING_MODULATOR_MAX_HIGHPASS_CUTOFF))
throw effect_exception{AL_INVALID_VALUE, "Modulator high-pass cutoff out of range: %f", val};
props->Modulator.HighPassCutoff = val;
break;
default:
throw effect_exception{AL_INVALID_ENUM, "Invalid modulator float property 0x%04x", param};
}
}
void Modulator_setParamfv(EffectProps *props, ALenum param, const float *vals)
{ Modulator_setParamf(props, param, vals[0]); }
void Modulator_setParami(EffectProps *props, ALenum param, int val)
{
switch(param)
{
case AL_RING_MODULATOR_FREQUENCY:
case AL_RING_MODULATOR_HIGHPASS_CUTOFF:
Modulator_setParamf(props, param, static_cast<float>(val));
break;
case AL_RING_MODULATOR_WAVEFORM:
if(auto formopt = WaveformFromEmum(val))
props->Modulator.Waveform = *formopt;
else
throw effect_exception{AL_INVALID_VALUE, "Invalid modulator waveform: 0x%04x", val};
break;
default:
throw effect_exception{AL_INVALID_ENUM, "Invalid modulator integer property 0x%04x",
param};
}
}
void Modulator_setParamiv(EffectProps *props, ALenum param, const int *vals)
{ Modulator_setParami(props, param, vals[0]); }
void Modulator_getParami(const EffectProps *props, ALenum param, int *val)
{
switch(param)
{
case AL_RING_MODULATOR_FREQUENCY:
*val = static_cast<int>(props->Modulator.Frequency);
break;
case AL_RING_MODULATOR_HIGHPASS_CUTOFF:
*val = static_cast<int>(props->Modulator.HighPassCutoff);
break;
case AL_RING_MODULATOR_WAVEFORM:
*val = EnumFromWaveform(props->Modulator.Waveform);
break;
default:
throw effect_exception{AL_INVALID_ENUM, "Invalid modulator integer property 0x%04x",
param};
}
}
void Modulator_getParamiv(const EffectProps *props, ALenum param, int *vals)
{ Modulator_getParami(props, param, vals); }
void Modulator_getParamf(const EffectProps *props, ALenum param, float *val)
{
switch(param)
{
case AL_RING_MODULATOR_FREQUENCY:
*val = props->Modulator.Frequency;
break;
case AL_RING_MODULATOR_HIGHPASS_CUTOFF:
*val = props->Modulator.HighPassCutoff;
break;
default:
throw effect_exception{AL_INVALID_ENUM, "Invalid modulator float property 0x%04x", param};
}
}
void Modulator_getParamfv(const EffectProps *props, ALenum param, float *vals)
{ Modulator_getParamf(props, param, vals); }
EffectProps genDefaultProps() noexcept
{
EffectProps props{};
props.Modulator.Frequency = AL_RING_MODULATOR_DEFAULT_FREQUENCY;
props.Modulator.HighPassCutoff = AL_RING_MODULATOR_DEFAULT_HIGHPASS_CUTOFF;
props.Modulator.Waveform = *WaveformFromEmum(AL_RING_MODULATOR_DEFAULT_WAVEFORM);
return props;
}
} // namespace
DEFINE_ALEFFECT_VTABLE(Modulator);
const EffectProps ModulatorEffectProps{genDefaultProps()};
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