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#include "config.h"
#include "AL/al.h"
#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 {
static_assert(EchoMaxDelay >= AL_ECHO_MAX_DELAY, "Echo max delay too short");
static_assert(EchoMaxLRDelay >= AL_ECHO_MAX_LRDELAY, "Echo max left-right delay too short");
void Echo_setParami(EffectProps*, ALenum param, int)
{ throw effect_exception{AL_INVALID_ENUM, "Invalid echo integer property 0x%04x", param}; }
void Echo_setParamiv(EffectProps*, ALenum param, const int*)
{ throw effect_exception{AL_INVALID_ENUM, "Invalid echo integer-vector property 0x%04x", param}; }
void Echo_setParamf(EffectProps *props, ALenum param, float val)
{
switch(param)
{
case AL_ECHO_DELAY:
if(!(val >= AL_ECHO_MIN_DELAY && val <= AL_ECHO_MAX_DELAY))
throw effect_exception{AL_INVALID_VALUE, "Echo delay out of range"};
props->Echo.Delay = val;
break;
case AL_ECHO_LRDELAY:
if(!(val >= AL_ECHO_MIN_LRDELAY && val <= AL_ECHO_MAX_LRDELAY))
throw effect_exception{AL_INVALID_VALUE, "Echo LR delay out of range"};
props->Echo.LRDelay = val;
break;
case AL_ECHO_DAMPING:
if(!(val >= AL_ECHO_MIN_DAMPING && val <= AL_ECHO_MAX_DAMPING))
throw effect_exception{AL_INVALID_VALUE, "Echo damping out of range"};
props->Echo.Damping = val;
break;
case AL_ECHO_FEEDBACK:
if(!(val >= AL_ECHO_MIN_FEEDBACK && val <= AL_ECHO_MAX_FEEDBACK))
throw effect_exception{AL_INVALID_VALUE, "Echo feedback out of range"};
props->Echo.Feedback = val;
break;
case AL_ECHO_SPREAD:
if(!(val >= AL_ECHO_MIN_SPREAD && val <= AL_ECHO_MAX_SPREAD))
throw effect_exception{AL_INVALID_VALUE, "Echo spread out of range"};
props->Echo.Spread = val;
break;
default:
throw effect_exception{AL_INVALID_ENUM, "Invalid echo float property 0x%04x", param};
}
}
void Echo_setParamfv(EffectProps *props, ALenum param, const float *vals)
{ Echo_setParamf(props, param, vals[0]); }
void Echo_getParami(const EffectProps*, ALenum param, int*)
{ throw effect_exception{AL_INVALID_ENUM, "Invalid echo integer property 0x%04x", param}; }
void Echo_getParamiv(const EffectProps*, ALenum param, int*)
{ throw effect_exception{AL_INVALID_ENUM, "Invalid echo integer-vector property 0x%04x", param}; }
void Echo_getParamf(const EffectProps *props, ALenum param, float *val)
{
switch(param)
{
case AL_ECHO_DELAY:
*val = props->Echo.Delay;
break;
case AL_ECHO_LRDELAY:
*val = props->Echo.LRDelay;
break;
case AL_ECHO_DAMPING:
*val = props->Echo.Damping;
break;
case AL_ECHO_FEEDBACK:
*val = props->Echo.Feedback;
break;
case AL_ECHO_SPREAD:
*val = props->Echo.Spread;
break;
default:
throw effect_exception{AL_INVALID_ENUM, "Invalid echo float property 0x%04x", param};
}
}
void Echo_getParamfv(const EffectProps *props, ALenum param, float *vals)
{ Echo_getParamf(props, param, vals); }
EffectProps genDefaultProps() noexcept
{
EffectProps props{};
props.Echo.Delay = AL_ECHO_DEFAULT_DELAY;
props.Echo.LRDelay = AL_ECHO_DEFAULT_LRDELAY;
props.Echo.Damping = AL_ECHO_DEFAULT_DAMPING;
props.Echo.Feedback = AL_ECHO_DEFAULT_FEEDBACK;
props.Echo.Spread = AL_ECHO_DEFAULT_SPREAD;
return props;
}
} // namespace
DEFINE_ALEFFECT_VTABLE(Echo);
const EffectProps EchoEffectProps{genDefaultProps()};
#ifdef ALSOFT_EAX
namespace {
using EchoCommitter = EaxCommitter<EaxEchoCommitter>;
struct DelayValidator {
void operator()(float flDelay) const
{
eax_validate_range<EchoCommitter::Exception>(
"Delay",
flDelay,
EAXECHO_MINDELAY,
EAXECHO_MAXDELAY);
}
}; // DelayValidator
struct LrDelayValidator {
void operator()(float flLRDelay) const
{
eax_validate_range<EchoCommitter::Exception>(
"LR Delay",
flLRDelay,
EAXECHO_MINLRDELAY,
EAXECHO_MAXLRDELAY);
}
}; // LrDelayValidator
struct DampingValidator {
void operator()(float flDamping) const
{
eax_validate_range<EchoCommitter::Exception>(
"Damping",
flDamping,
EAXECHO_MINDAMPING,
EAXECHO_MAXDAMPING);
}
}; // DampingValidator
struct FeedbackValidator {
void operator()(float flFeedback) const
{
eax_validate_range<EchoCommitter::Exception>(
"Feedback",
flFeedback,
EAXECHO_MINFEEDBACK,
EAXECHO_MAXFEEDBACK);
}
}; // FeedbackValidator
struct SpreadValidator {
void operator()(float flSpread) const
{
eax_validate_range<EchoCommitter::Exception>(
"Spread",
flSpread,
EAXECHO_MINSPREAD,
EAXECHO_MAXSPREAD);
}
}; // SpreadValidator
struct AllValidator {
void operator()(const EAXECHOPROPERTIES& all) const
{
DelayValidator{}(all.flDelay);
LrDelayValidator{}(all.flLRDelay);
DampingValidator{}(all.flDamping);
FeedbackValidator{}(all.flFeedback);
SpreadValidator{}(all.flSpread);
}
}; // AllValidator
} // namespace
template<>
struct EchoCommitter::Exception : public EaxException {
explicit Exception(const char* message) : EaxException{"EAX_ECHO_EFFECT", message}
{ }
};
template<>
[[noreturn]] void EchoCommitter::fail(const char *message)
{
throw Exception{message};
}
bool EaxEchoCommitter::commit(const EAXECHOPROPERTIES &props)
{
if(auto *cur = std::get_if<EAXECHOPROPERTIES>(&mEaxProps); cur && *cur == props)
return false;
mEaxProps = props;
mAlProps.Echo.Delay = props.flDelay;
mAlProps.Echo.LRDelay = props.flLRDelay;
mAlProps.Echo.Damping = props.flDamping;
mAlProps.Echo.Feedback = props.flFeedback;
mAlProps.Echo.Spread = props.flSpread;
return true;
}
void EaxEchoCommitter::SetDefaults(EaxEffectProps &props)
{
static constexpr EAXECHOPROPERTIES defprops{[]
{
EAXECHOPROPERTIES ret{};
ret.flDelay = EAXECHO_DEFAULTDELAY;
ret.flLRDelay = EAXECHO_DEFAULTLRDELAY;
ret.flDamping = EAXECHO_DEFAULTDAMPING;
ret.flFeedback = EAXECHO_DEFAULTFEEDBACK;
ret.flSpread = EAXECHO_DEFAULTSPREAD;
return ret;
}()};
props = defprops;
}
void EaxEchoCommitter::Get(const EaxCall &call, const EAXECHOPROPERTIES &props)
{
switch(call.get_property_id())
{
case EAXECHO_NONE: break;
case EAXECHO_ALLPARAMETERS: call.set_value<Exception>(props); break;
case EAXECHO_DELAY: call.set_value<Exception>(props.flDelay); break;
case EAXECHO_LRDELAY: call.set_value<Exception>(props.flLRDelay); break;
case EAXECHO_DAMPING: call.set_value<Exception>(props.flDamping); break;
case EAXECHO_FEEDBACK: call.set_value<Exception>(props.flFeedback); break;
case EAXECHO_SPREAD: call.set_value<Exception>(props.flSpread); break;
default: fail_unknown_property_id();
}
}
void EaxEchoCommitter::Set(const EaxCall &call, EAXECHOPROPERTIES &props)
{
switch(call.get_property_id())
{
case EAXECHO_NONE: break;
case EAXECHO_ALLPARAMETERS: defer<AllValidator>(call, props); break;
case EAXECHO_DELAY: defer<DelayValidator>(call, props.flDelay); break;
case EAXECHO_LRDELAY: defer<LrDelayValidator>(call, props.flLRDelay); break;
case EAXECHO_DAMPING: defer<DampingValidator>(call, props.flDamping); break;
case EAXECHO_FEEDBACK: defer<FeedbackValidator>(call, props.flFeedback); break;
case EAXECHO_SPREAD: defer<SpreadValidator>(call, props.flSpread); break;
default: fail_unknown_property_id();
}
}
#endif // ALSOFT_EAX
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