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479 lines
14 KiB
479 lines
14 KiB
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#include "config.h"
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#include <stdexcept>
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#include "AL/al.h"
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#include "AL/efx.h"
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#include "alc/effects/base.h"
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#include "aloptional.h"
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#include "effects.h"
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#ifdef ALSOFT_EAX
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#include <cassert>
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#include "alnumeric.h"
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#include "al/eax_exception.h"
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#include "al/eax_utils.h"
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#endif // ALSOFT_EAX
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namespace {
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al::optional<FShifterDirection> DirectionFromEmum(ALenum value)
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{
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switch(value)
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{
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case AL_FREQUENCY_SHIFTER_DIRECTION_DOWN: return al::make_optional(FShifterDirection::Down);
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case AL_FREQUENCY_SHIFTER_DIRECTION_UP: return al::make_optional(FShifterDirection::Up);
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case AL_FREQUENCY_SHIFTER_DIRECTION_OFF: return al::make_optional(FShifterDirection::Off);
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}
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return al::nullopt;
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}
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ALenum EnumFromDirection(FShifterDirection dir)
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{
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switch(dir)
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{
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case FShifterDirection::Down: return AL_FREQUENCY_SHIFTER_DIRECTION_DOWN;
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case FShifterDirection::Up: return AL_FREQUENCY_SHIFTER_DIRECTION_UP;
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case FShifterDirection::Off: return AL_FREQUENCY_SHIFTER_DIRECTION_OFF;
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}
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throw std::runtime_error{"Invalid direction: "+std::to_string(static_cast<int>(dir))};
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}
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void Fshifter_setParamf(EffectProps *props, ALenum param, float val)
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{
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switch(param)
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{
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case AL_FREQUENCY_SHIFTER_FREQUENCY:
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if(!(val >= AL_FREQUENCY_SHIFTER_MIN_FREQUENCY && val <= AL_FREQUENCY_SHIFTER_MAX_FREQUENCY))
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throw effect_exception{AL_INVALID_VALUE, "Frequency shifter frequency out of range"};
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props->Fshifter.Frequency = val;
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break;
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default:
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throw effect_exception{AL_INVALID_ENUM, "Invalid frequency shifter float property 0x%04x",
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param};
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}
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}
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void Fshifter_setParamfv(EffectProps *props, ALenum param, const float *vals)
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{ Fshifter_setParamf(props, param, vals[0]); }
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void Fshifter_setParami(EffectProps *props, ALenum param, int val)
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{
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switch(param)
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{
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case AL_FREQUENCY_SHIFTER_LEFT_DIRECTION:
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if(auto diropt = DirectionFromEmum(val))
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props->Fshifter.LeftDirection = *diropt;
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else
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throw effect_exception{AL_INVALID_VALUE,
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"Unsupported frequency shifter left direction: 0x%04x", val};
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break;
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case AL_FREQUENCY_SHIFTER_RIGHT_DIRECTION:
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if(auto diropt = DirectionFromEmum(val))
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props->Fshifter.RightDirection = *diropt;
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else
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throw effect_exception{AL_INVALID_VALUE,
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"Unsupported frequency shifter right direction: 0x%04x", val};
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break;
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default:
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throw effect_exception{AL_INVALID_ENUM,
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"Invalid frequency shifter integer property 0x%04x", param};
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}
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}
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void Fshifter_setParamiv(EffectProps *props, ALenum param, const int *vals)
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{ Fshifter_setParami(props, param, vals[0]); }
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void Fshifter_getParami(const EffectProps *props, ALenum param, int *val)
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{
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switch(param)
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{
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case AL_FREQUENCY_SHIFTER_LEFT_DIRECTION:
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*val = EnumFromDirection(props->Fshifter.LeftDirection);
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break;
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case AL_FREQUENCY_SHIFTER_RIGHT_DIRECTION:
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*val = EnumFromDirection(props->Fshifter.RightDirection);
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break;
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default:
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throw effect_exception{AL_INVALID_ENUM,
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"Invalid frequency shifter integer property 0x%04x", param};
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}
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}
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void Fshifter_getParamiv(const EffectProps *props, ALenum param, int *vals)
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{ Fshifter_getParami(props, param, vals); }
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void Fshifter_getParamf(const EffectProps *props, ALenum param, float *val)
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{
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switch(param)
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{
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case AL_FREQUENCY_SHIFTER_FREQUENCY:
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*val = props->Fshifter.Frequency;
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break;
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default:
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throw effect_exception{AL_INVALID_ENUM, "Invalid frequency shifter float property 0x%04x",
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param};
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}
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}
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void Fshifter_getParamfv(const EffectProps *props, ALenum param, float *vals)
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{ Fshifter_getParamf(props, param, vals); }
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EffectProps genDefaultProps() noexcept
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{
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EffectProps props{};
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props.Fshifter.Frequency = AL_FREQUENCY_SHIFTER_DEFAULT_FREQUENCY;
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props.Fshifter.LeftDirection = *DirectionFromEmum(AL_FREQUENCY_SHIFTER_DEFAULT_LEFT_DIRECTION);
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props.Fshifter.RightDirection = *DirectionFromEmum(AL_FREQUENCY_SHIFTER_DEFAULT_RIGHT_DIRECTION);
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return props;
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}
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} // namespace
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DEFINE_ALEFFECT_VTABLE(Fshifter);
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const EffectProps FshifterEffectProps{genDefaultProps()};
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#ifdef ALSOFT_EAX
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namespace {
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using EaxFrequencyShifterEffectDirtyFlagsValue = std::uint_least8_t;
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struct EaxFrequencyShifterEffectDirtyFlags
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{
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using EaxIsBitFieldStruct = bool;
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EaxFrequencyShifterEffectDirtyFlagsValue flFrequency : 1;
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EaxFrequencyShifterEffectDirtyFlagsValue ulLeftDirection : 1;
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EaxFrequencyShifterEffectDirtyFlagsValue ulRightDirection : 1;
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}; // EaxFrequencyShifterEffectDirtyFlags
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class EaxFrequencyShifterEffect final :
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public EaxEffect
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{
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public:
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EaxFrequencyShifterEffect();
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void dispatch(const EaxEaxCall& eax_call) override;
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// [[nodiscard]]
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bool apply_deferred() override;
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private:
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EAXFREQUENCYSHIFTERPROPERTIES eax_{};
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EAXFREQUENCYSHIFTERPROPERTIES eax_d_{};
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EaxFrequencyShifterEffectDirtyFlags eax_dirty_flags_{};
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void set_eax_defaults();
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void set_efx_frequency();
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void set_efx_left_direction();
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void set_efx_right_direction();
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void set_efx_defaults();
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void get(const EaxEaxCall& eax_call);
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void validate_frequency(float flFrequency);
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void validate_left_direction(unsigned long ulLeftDirection);
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void validate_right_direction(unsigned long ulRightDirection);
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void validate_all(const EAXFREQUENCYSHIFTERPROPERTIES& all);
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void defer_frequency(float flFrequency);
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void defer_left_direction(unsigned long ulLeftDirection);
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void defer_right_direction(unsigned long ulRightDirection);
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void defer_all(const EAXFREQUENCYSHIFTERPROPERTIES& all);
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void defer_frequency(const EaxEaxCall& eax_call);
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void defer_left_direction(const EaxEaxCall& eax_call);
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void defer_right_direction(const EaxEaxCall& eax_call);
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void defer_all(const EaxEaxCall& eax_call);
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void set(const EaxEaxCall& eax_call);
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}; // EaxFrequencyShifterEffect
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class EaxFrequencyShifterEffectException :
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public EaxException
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{
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public:
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explicit EaxFrequencyShifterEffectException(
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const char* message)
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:
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EaxException{"EAX_FREQUENCY_SHIFTER_EFFECT", message}
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{
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}
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}; // EaxFrequencyShifterEffectException
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EaxFrequencyShifterEffect::EaxFrequencyShifterEffect()
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: EaxEffect{AL_EFFECT_FREQUENCY_SHIFTER}
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{
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set_eax_defaults();
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set_efx_defaults();
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}
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void EaxFrequencyShifterEffect::dispatch(const EaxEaxCall& eax_call)
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{
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eax_call.is_get() ? get(eax_call) : set(eax_call);
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}
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void EaxFrequencyShifterEffect::set_eax_defaults()
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{
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eax_.flFrequency = EAXFREQUENCYSHIFTER_DEFAULTFREQUENCY;
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eax_.ulLeftDirection = EAXFREQUENCYSHIFTER_DEFAULTLEFTDIRECTION;
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eax_.ulRightDirection = EAXFREQUENCYSHIFTER_DEFAULTRIGHTDIRECTION;
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eax_d_ = eax_;
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}
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void EaxFrequencyShifterEffect::set_efx_frequency()
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{
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const auto frequency = clamp(
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eax_.flFrequency,
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AL_FREQUENCY_SHIFTER_MIN_FREQUENCY,
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AL_FREQUENCY_SHIFTER_MAX_FREQUENCY);
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al_effect_props_.Fshifter.Frequency = frequency;
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}
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void EaxFrequencyShifterEffect::set_efx_left_direction()
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{
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const auto left_direction = clamp(
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static_cast<ALint>(eax_.ulLeftDirection),
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AL_FREQUENCY_SHIFTER_MIN_LEFT_DIRECTION,
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AL_FREQUENCY_SHIFTER_MAX_LEFT_DIRECTION);
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const auto efx_left_direction = DirectionFromEmum(left_direction);
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assert(efx_left_direction.has_value());
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al_effect_props_.Fshifter.LeftDirection = *efx_left_direction;
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}
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void EaxFrequencyShifterEffect::set_efx_right_direction()
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{
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const auto right_direction = clamp(
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static_cast<ALint>(eax_.ulRightDirection),
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AL_FREQUENCY_SHIFTER_MIN_RIGHT_DIRECTION,
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AL_FREQUENCY_SHIFTER_MAX_RIGHT_DIRECTION);
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const auto efx_right_direction = DirectionFromEmum(right_direction);
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assert(efx_right_direction.has_value());
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al_effect_props_.Fshifter.RightDirection = *efx_right_direction;
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}
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void EaxFrequencyShifterEffect::set_efx_defaults()
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{
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set_efx_frequency();
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set_efx_left_direction();
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set_efx_right_direction();
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}
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void EaxFrequencyShifterEffect::get(const EaxEaxCall& eax_call)
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{
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switch(eax_call.get_property_id())
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{
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case EAXFREQUENCYSHIFTER_NONE:
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break;
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case EAXFREQUENCYSHIFTER_ALLPARAMETERS:
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eax_call.set_value<EaxFrequencyShifterEffectException>(eax_);
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break;
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case EAXFREQUENCYSHIFTER_FREQUENCY:
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eax_call.set_value<EaxFrequencyShifterEffectException>(eax_.flFrequency);
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break;
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case EAXFREQUENCYSHIFTER_LEFTDIRECTION:
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eax_call.set_value<EaxFrequencyShifterEffectException>(eax_.ulLeftDirection);
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break;
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case EAXFREQUENCYSHIFTER_RIGHTDIRECTION:
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eax_call.set_value<EaxFrequencyShifterEffectException>(eax_.ulRightDirection);
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break;
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default:
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throw EaxFrequencyShifterEffectException{"Unsupported property id."};
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}
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}
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void EaxFrequencyShifterEffect::validate_frequency(
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float flFrequency)
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{
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eax_validate_range<EaxFrequencyShifterEffectException>(
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"Frequency",
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flFrequency,
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EAXFREQUENCYSHIFTER_MINFREQUENCY,
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EAXFREQUENCYSHIFTER_MAXFREQUENCY);
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}
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void EaxFrequencyShifterEffect::validate_left_direction(
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unsigned long ulLeftDirection)
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{
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eax_validate_range<EaxFrequencyShifterEffectException>(
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"Left Direction",
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ulLeftDirection,
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EAXFREQUENCYSHIFTER_MINLEFTDIRECTION,
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EAXFREQUENCYSHIFTER_MAXLEFTDIRECTION);
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}
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void EaxFrequencyShifterEffect::validate_right_direction(
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unsigned long ulRightDirection)
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{
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eax_validate_range<EaxFrequencyShifterEffectException>(
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"Right Direction",
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ulRightDirection,
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EAXFREQUENCYSHIFTER_MINRIGHTDIRECTION,
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EAXFREQUENCYSHIFTER_MAXRIGHTDIRECTION);
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}
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void EaxFrequencyShifterEffect::validate_all(
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const EAXFREQUENCYSHIFTERPROPERTIES& all)
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{
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validate_frequency(all.flFrequency);
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validate_left_direction(all.ulLeftDirection);
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validate_right_direction(all.ulRightDirection);
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}
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void EaxFrequencyShifterEffect::defer_frequency(
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float flFrequency)
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{
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eax_d_.flFrequency = flFrequency;
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eax_dirty_flags_.flFrequency = (eax_.flFrequency != eax_d_.flFrequency);
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}
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void EaxFrequencyShifterEffect::defer_left_direction(
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unsigned long ulLeftDirection)
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{
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eax_d_.ulLeftDirection = ulLeftDirection;
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eax_dirty_flags_.ulLeftDirection = (eax_.ulLeftDirection != eax_d_.ulLeftDirection);
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}
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void EaxFrequencyShifterEffect::defer_right_direction(
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unsigned long ulRightDirection)
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{
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eax_d_.ulRightDirection = ulRightDirection;
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eax_dirty_flags_.ulRightDirection = (eax_.ulRightDirection != eax_d_.ulRightDirection);
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}
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void EaxFrequencyShifterEffect::defer_all(
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const EAXFREQUENCYSHIFTERPROPERTIES& all)
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{
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defer_frequency(all.flFrequency);
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defer_left_direction(all.ulLeftDirection);
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defer_right_direction(all.ulRightDirection);
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}
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void EaxFrequencyShifterEffect::defer_frequency(
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const EaxEaxCall& eax_call)
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{
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const auto& frequency =
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eax_call.get_value<
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EaxFrequencyShifterEffectException, const decltype(EAXFREQUENCYSHIFTERPROPERTIES::flFrequency)>();
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validate_frequency(frequency);
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defer_frequency(frequency);
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}
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void EaxFrequencyShifterEffect::defer_left_direction(
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const EaxEaxCall& eax_call)
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{
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const auto& left_direction =
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eax_call.get_value<
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EaxFrequencyShifterEffectException, const decltype(EAXFREQUENCYSHIFTERPROPERTIES::ulLeftDirection)>();
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validate_left_direction(left_direction);
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defer_left_direction(left_direction);
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}
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void EaxFrequencyShifterEffect::defer_right_direction(
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const EaxEaxCall& eax_call)
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{
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const auto& right_direction =
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eax_call.get_value<
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EaxFrequencyShifterEffectException, const decltype(EAXFREQUENCYSHIFTERPROPERTIES::ulRightDirection)>();
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validate_right_direction(right_direction);
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defer_right_direction(right_direction);
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}
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void EaxFrequencyShifterEffect::defer_all(
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const EaxEaxCall& eax_call)
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{
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const auto& all =
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eax_call.get_value<
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EaxFrequencyShifterEffectException, const EAXFREQUENCYSHIFTERPROPERTIES>();
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validate_all(all);
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defer_all(all);
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}
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// [[nodiscard]]
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bool EaxFrequencyShifterEffect::apply_deferred()
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{
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if (eax_dirty_flags_ == EaxFrequencyShifterEffectDirtyFlags{})
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{
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return false;
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}
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eax_ = eax_d_;
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if (eax_dirty_flags_.flFrequency)
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{
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set_efx_frequency();
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}
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if (eax_dirty_flags_.ulLeftDirection)
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{
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set_efx_left_direction();
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}
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if (eax_dirty_flags_.ulRightDirection)
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{
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set_efx_right_direction();
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}
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eax_dirty_flags_ = EaxFrequencyShifterEffectDirtyFlags{};
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return true;
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}
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void EaxFrequencyShifterEffect::set(const EaxEaxCall& eax_call)
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{
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switch(eax_call.get_property_id())
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{
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case EAXFREQUENCYSHIFTER_NONE:
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break;
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case EAXFREQUENCYSHIFTER_ALLPARAMETERS:
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defer_all(eax_call);
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break;
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case EAXFREQUENCYSHIFTER_FREQUENCY:
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defer_frequency(eax_call);
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break;
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case EAXFREQUENCYSHIFTER_LEFTDIRECTION:
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defer_left_direction(eax_call);
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break;
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case EAXFREQUENCYSHIFTER_RIGHTDIRECTION:
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defer_right_direction(eax_call);
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break;
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default:
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throw EaxFrequencyShifterEffectException{"Unsupported property id."};
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}
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}
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} // namespace
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EaxEffectUPtr eax_create_eax_frequency_shifter_effect()
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{
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return std::make_unique<EaxFrequencyShifterEffect>();
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}
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#endif // ALSOFT_EAX
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