mirror of https://github.com/axmolengine/axmol.git
570 lines
14 KiB
C++
570 lines
14 KiB
C++
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#include "config.h"
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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 "effects.h"
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#ifdef ALSOFT_EAX
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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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static_assert(EchoMaxDelay >= AL_ECHO_MAX_DELAY, "Echo max delay too short");
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static_assert(EchoMaxLRDelay >= AL_ECHO_MAX_LRDELAY, "Echo max left-right delay too short");
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void Echo_setParami(EffectProps*, ALenum param, int)
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{ throw effect_exception{AL_INVALID_ENUM, "Invalid echo integer property 0x%04x", param}; }
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void Echo_setParamiv(EffectProps*, ALenum param, const int*)
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{ throw effect_exception{AL_INVALID_ENUM, "Invalid echo integer-vector property 0x%04x", param}; }
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void Echo_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_ECHO_DELAY:
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if(!(val >= AL_ECHO_MIN_DELAY && val <= AL_ECHO_MAX_DELAY))
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throw effect_exception{AL_INVALID_VALUE, "Echo delay out of range"};
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props->Echo.Delay = val;
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break;
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case AL_ECHO_LRDELAY:
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if(!(val >= AL_ECHO_MIN_LRDELAY && val <= AL_ECHO_MAX_LRDELAY))
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throw effect_exception{AL_INVALID_VALUE, "Echo LR delay out of range"};
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props->Echo.LRDelay = val;
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break;
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case AL_ECHO_DAMPING:
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if(!(val >= AL_ECHO_MIN_DAMPING && val <= AL_ECHO_MAX_DAMPING))
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throw effect_exception{AL_INVALID_VALUE, "Echo damping out of range"};
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props->Echo.Damping = val;
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break;
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case AL_ECHO_FEEDBACK:
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if(!(val >= AL_ECHO_MIN_FEEDBACK && val <= AL_ECHO_MAX_FEEDBACK))
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throw effect_exception{AL_INVALID_VALUE, "Echo feedback out of range"};
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props->Echo.Feedback = val;
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break;
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case AL_ECHO_SPREAD:
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if(!(val >= AL_ECHO_MIN_SPREAD && val <= AL_ECHO_MAX_SPREAD))
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throw effect_exception{AL_INVALID_VALUE, "Echo spread out of range"};
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props->Echo.Spread = val;
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break;
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default:
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throw effect_exception{AL_INVALID_ENUM, "Invalid echo float property 0x%04x", param};
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}
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}
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void Echo_setParamfv(EffectProps *props, ALenum param, const float *vals)
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{ Echo_setParamf(props, param, vals[0]); }
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void Echo_getParami(const EffectProps*, ALenum param, int*)
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{ throw effect_exception{AL_INVALID_ENUM, "Invalid echo integer property 0x%04x", param}; }
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void Echo_getParamiv(const EffectProps*, ALenum param, int*)
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{ throw effect_exception{AL_INVALID_ENUM, "Invalid echo integer-vector property 0x%04x", param}; }
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void Echo_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_ECHO_DELAY:
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*val = props->Echo.Delay;
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break;
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case AL_ECHO_LRDELAY:
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*val = props->Echo.LRDelay;
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break;
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case AL_ECHO_DAMPING:
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*val = props->Echo.Damping;
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break;
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case AL_ECHO_FEEDBACK:
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*val = props->Echo.Feedback;
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break;
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case AL_ECHO_SPREAD:
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*val = props->Echo.Spread;
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break;
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default:
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throw effect_exception{AL_INVALID_ENUM, "Invalid echo float property 0x%04x", param};
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}
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}
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void Echo_getParamfv(const EffectProps *props, ALenum param, float *vals)
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{ Echo_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.Echo.Delay = AL_ECHO_DEFAULT_DELAY;
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props.Echo.LRDelay = AL_ECHO_DEFAULT_LRDELAY;
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props.Echo.Damping = AL_ECHO_DEFAULT_DAMPING;
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props.Echo.Feedback = AL_ECHO_DEFAULT_FEEDBACK;
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props.Echo.Spread = AL_ECHO_DEFAULT_SPREAD;
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return props;
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}
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} // namespace
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DEFINE_ALEFFECT_VTABLE(Echo);
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const EffectProps EchoEffectProps{genDefaultProps()};
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#ifdef ALSOFT_EAX
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namespace {
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using EaxEchoEffectDirtyFlagsValue = std::uint_least8_t;
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struct EaxEchoEffectDirtyFlags
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{
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using EaxIsBitFieldStruct = bool;
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EaxEchoEffectDirtyFlagsValue flDelay : 1;
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EaxEchoEffectDirtyFlagsValue flLRDelay : 1;
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EaxEchoEffectDirtyFlagsValue flDamping : 1;
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EaxEchoEffectDirtyFlagsValue flFeedback : 1;
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EaxEchoEffectDirtyFlagsValue flSpread : 1;
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}; // EaxEchoEffectDirtyFlags
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class EaxEchoEffect final :
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public EaxEffect
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{
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public:
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EaxEchoEffect();
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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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EAXECHOPROPERTIES eax_{};
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EAXECHOPROPERTIES eax_d_{};
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EaxEchoEffectDirtyFlags eax_dirty_flags_{};
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void set_eax_defaults();
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void set_efx_delay();
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void set_efx_lr_delay();
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void set_efx_damping();
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void set_efx_feedback();
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void set_efx_spread();
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void set_efx_defaults();
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void get(const EaxEaxCall& eax_call);
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void validate_delay(float flDelay);
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void validate_lr_delay(float flLRDelay);
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void validate_damping(float flDamping);
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void validate_feedback(float flFeedback);
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void validate_spread(float flSpread);
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void validate_all(const EAXECHOPROPERTIES& all);
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void defer_delay(float flDelay);
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void defer_lr_delay(float flLRDelay);
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void defer_damping(float flDamping);
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void defer_feedback(float flFeedback);
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void defer_spread(float flSpread);
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void defer_all(const EAXECHOPROPERTIES& all);
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void defer_delay(const EaxEaxCall& eax_call);
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void defer_lr_delay(const EaxEaxCall& eax_call);
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void defer_damping(const EaxEaxCall& eax_call);
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void defer_feedback(const EaxEaxCall& eax_call);
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void defer_spread(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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}; // EaxEchoEffect
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class EaxEchoEffectException :
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public EaxException
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{
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public:
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explicit EaxEchoEffectException(
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const char* message)
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:
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EaxException{"EAX_ECHO_EFFECT", message}
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{
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}
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}; // EaxEchoEffectException
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EaxEchoEffect::EaxEchoEffect()
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: EaxEffect{AL_EFFECT_ECHO}
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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 EaxEchoEffect::dispatch(
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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 EaxEchoEffect::set_eax_defaults()
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{
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eax_.flDelay = EAXECHO_DEFAULTDELAY;
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eax_.flLRDelay = EAXECHO_DEFAULTLRDELAY;
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eax_.flDamping = EAXECHO_DEFAULTDAMPING;
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eax_.flFeedback = EAXECHO_DEFAULTFEEDBACK;
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eax_.flSpread = EAXECHO_DEFAULTSPREAD;
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eax_d_ = eax_;
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}
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void EaxEchoEffect::set_efx_delay()
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{
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const auto delay = clamp(
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eax_.flDelay,
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AL_ECHO_MIN_DELAY,
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AL_ECHO_MAX_DELAY);
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al_effect_props_.Echo.Delay = delay;
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}
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void EaxEchoEffect::set_efx_lr_delay()
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{
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const auto lr_delay = clamp(
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eax_.flLRDelay,
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AL_ECHO_MIN_LRDELAY,
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AL_ECHO_MAX_LRDELAY);
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al_effect_props_.Echo.LRDelay = lr_delay;
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}
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void EaxEchoEffect::set_efx_damping()
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{
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const auto damping = clamp(
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eax_.flDamping,
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AL_ECHO_MIN_DAMPING,
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AL_ECHO_MAX_DAMPING);
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al_effect_props_.Echo.Damping = damping;
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}
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void EaxEchoEffect::set_efx_feedback()
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{
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const auto feedback = clamp(
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eax_.flFeedback,
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AL_ECHO_MIN_FEEDBACK,
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AL_ECHO_MAX_FEEDBACK);
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al_effect_props_.Echo.Feedback = feedback;
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}
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void EaxEchoEffect::set_efx_spread()
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{
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const auto spread = clamp(
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eax_.flSpread,
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AL_ECHO_MIN_SPREAD,
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AL_ECHO_MAX_SPREAD);
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al_effect_props_.Echo.Spread = spread;
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}
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void EaxEchoEffect::set_efx_defaults()
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{
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set_efx_delay();
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set_efx_lr_delay();
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set_efx_damping();
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set_efx_feedback();
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set_efx_spread();
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}
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void EaxEchoEffect::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 EAXECHO_NONE:
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break;
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case EAXECHO_ALLPARAMETERS:
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eax_call.set_value<EaxEchoEffectException>(eax_);
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break;
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case EAXECHO_DELAY:
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eax_call.set_value<EaxEchoEffectException>(eax_.flDelay);
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break;
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case EAXECHO_LRDELAY:
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eax_call.set_value<EaxEchoEffectException>(eax_.flLRDelay);
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break;
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case EAXECHO_DAMPING:
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eax_call.set_value<EaxEchoEffectException>(eax_.flDamping);
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break;
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case EAXECHO_FEEDBACK:
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eax_call.set_value<EaxEchoEffectException>(eax_.flFeedback);
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break;
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case EAXECHO_SPREAD:
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eax_call.set_value<EaxEchoEffectException>(eax_.flSpread);
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break;
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default:
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throw EaxEchoEffectException{"Unsupported property id."};
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}
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}
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void EaxEchoEffect::validate_delay(
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float flDelay)
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{
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eax_validate_range<EaxEchoEffectException>(
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"Delay",
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flDelay,
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EAXECHO_MINDELAY,
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EAXECHO_MAXDELAY);
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}
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void EaxEchoEffect::validate_lr_delay(
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float flLRDelay)
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{
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eax_validate_range<EaxEchoEffectException>(
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"LR Delay",
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flLRDelay,
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EAXECHO_MINLRDELAY,
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EAXECHO_MAXLRDELAY);
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}
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void EaxEchoEffect::validate_damping(
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float flDamping)
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{
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eax_validate_range<EaxEchoEffectException>(
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"Damping",
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flDamping,
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EAXECHO_MINDAMPING,
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EAXECHO_MAXDAMPING);
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}
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void EaxEchoEffect::validate_feedback(
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float flFeedback)
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{
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eax_validate_range<EaxEchoEffectException>(
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"Feedback",
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flFeedback,
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EAXECHO_MINFEEDBACK,
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EAXECHO_MAXFEEDBACK);
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}
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void EaxEchoEffect::validate_spread(
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float flSpread)
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{
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eax_validate_range<EaxEchoEffectException>(
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"Spread",
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flSpread,
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EAXECHO_MINSPREAD,
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EAXECHO_MAXSPREAD);
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}
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void EaxEchoEffect::validate_all(
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const EAXECHOPROPERTIES& all)
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{
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validate_delay(all.flDelay);
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validate_lr_delay(all.flLRDelay);
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validate_damping(all.flDamping);
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validate_feedback(all.flFeedback);
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validate_spread(all.flSpread);
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}
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void EaxEchoEffect::defer_delay(
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float flDelay)
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{
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eax_d_.flDelay = flDelay;
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eax_dirty_flags_.flDelay = (eax_.flDelay != eax_d_.flDelay);
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}
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void EaxEchoEffect::defer_lr_delay(
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float flLRDelay)
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{
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eax_d_.flLRDelay = flLRDelay;
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eax_dirty_flags_.flLRDelay = (eax_.flLRDelay != eax_d_.flLRDelay);
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}
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void EaxEchoEffect::defer_damping(
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float flDamping)
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{
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eax_d_.flDamping = flDamping;
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eax_dirty_flags_.flDamping = (eax_.flDamping != eax_d_.flDamping);
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}
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void EaxEchoEffect::defer_feedback(
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float flFeedback)
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{
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eax_d_.flFeedback = flFeedback;
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eax_dirty_flags_.flFeedback = (eax_.flFeedback != eax_d_.flFeedback);
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}
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void EaxEchoEffect::defer_spread(
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float flSpread)
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{
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eax_d_.flSpread = flSpread;
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eax_dirty_flags_.flSpread = (eax_.flSpread != eax_d_.flSpread);
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}
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void EaxEchoEffect::defer_all(
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const EAXECHOPROPERTIES& all)
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{
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defer_delay(all.flDelay);
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defer_lr_delay(all.flLRDelay);
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defer_damping(all.flDamping);
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defer_feedback(all.flFeedback);
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defer_spread(all.flSpread);
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}
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void EaxEchoEffect::defer_delay(
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const EaxEaxCall& eax_call)
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{
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const auto& delay =
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eax_call.get_value<EaxEchoEffectException, const decltype(EAXECHOPROPERTIES::flDelay)>();
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validate_delay(delay);
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defer_delay(delay);
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}
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void EaxEchoEffect::defer_lr_delay(
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const EaxEaxCall& eax_call)
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{
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const auto& lr_delay =
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eax_call.get_value<EaxEchoEffectException, const decltype(EAXECHOPROPERTIES::flLRDelay)>();
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validate_lr_delay(lr_delay);
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defer_lr_delay(lr_delay);
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}
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void EaxEchoEffect::defer_damping(
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const EaxEaxCall& eax_call)
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{
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const auto& damping =
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eax_call.get_value<EaxEchoEffectException, const decltype(EAXECHOPROPERTIES::flDamping)>();
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validate_damping(damping);
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defer_damping(damping);
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}
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void EaxEchoEffect::defer_feedback(
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const EaxEaxCall& eax_call)
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{
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const auto& feedback =
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eax_call.get_value<EaxEchoEffectException, const decltype(EAXECHOPROPERTIES::flFeedback)>();
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validate_feedback(feedback);
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defer_feedback(feedback);
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}
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void EaxEchoEffect::defer_spread(
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const EaxEaxCall& eax_call)
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{
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const auto& spread =
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eax_call.get_value<EaxEchoEffectException, const decltype(EAXECHOPROPERTIES::flSpread)>();
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validate_spread(spread);
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defer_spread(spread);
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}
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void EaxEchoEffect::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<EaxEchoEffectException, const EAXECHOPROPERTIES>();
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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 EaxEchoEffect::apply_deferred()
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{
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if (eax_dirty_flags_ == EaxEchoEffectDirtyFlags{})
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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_.flDelay)
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{
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set_efx_delay();
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}
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if (eax_dirty_flags_.flLRDelay)
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{
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set_efx_lr_delay();
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}
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if (eax_dirty_flags_.flDamping)
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{
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set_efx_damping();
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}
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if (eax_dirty_flags_.flFeedback)
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{
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set_efx_feedback();
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}
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if (eax_dirty_flags_.flSpread)
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{
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set_efx_spread();
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}
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eax_dirty_flags_ = EaxEchoEffectDirtyFlags{};
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return true;
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}
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void EaxEchoEffect::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 EAXECHO_NONE:
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break;
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case EAXECHO_ALLPARAMETERS:
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defer_all(eax_call);
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break;
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case EAXECHO_DELAY:
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defer_delay(eax_call);
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break;
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case EAXECHO_LRDELAY:
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defer_lr_delay(eax_call);
|
|
break;
|
|
|
|
case EAXECHO_DAMPING:
|
|
defer_damping(eax_call);
|
|
break;
|
|
|
|
case EAXECHO_FEEDBACK:
|
|
defer_feedback(eax_call);
|
|
break;
|
|
|
|
case EAXECHO_SPREAD:
|
|
defer_spread(eax_call);
|
|
break;
|
|
|
|
default:
|
|
throw EaxEchoEffectException{"Unsupported property id."};
|
|
}
|
|
}
|
|
|
|
} // namespace
|
|
|
|
EaxEffectUPtr eax_create_eax_echo_effect()
|
|
{
|
|
return std::make_unique<EaxEchoEffect>();
|
|
}
|
|
|
|
#endif // ALSOFT_EAX
|