mirror of https://github.com/axmolengine/axmol.git
112 lines
3.5 KiB
C++
112 lines
3.5 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 "effects.h"
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#include "effects/base.h"
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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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