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Clamp EFX reverb effect values

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The values might be slightly out of range due to the scale
conversion. Clamp them so OpenAL doesn't refuse them.
This commit is contained in:
dhewg 2012-01-10 17:12:38 +01:00
parent bdbee3543c
commit 8ea0f8f0d5
1 changed files with 11 additions and 8 deletions
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19
neo/sound/snd_efxfile.cpp
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@ -31,8 +31,11 @@ If you have questions concerning this license or the applicable additional terms
#include "sound/snd_local.h"
static inline ALdouble mB_to_gain(ALdouble millibels) {
return idMath::Pow(10.0, millibels / 2000.0);
#define mB_to_gain(millibels, property) \
_mB_to_gain(millibels,AL_EAXREVERB_MIN_ ## property, AL_EAXREVERB_MAX_ ## property)
static inline ALfloat _mB_to_gain(ALfloat millibels, ALfloat min, ALfloat max) {
return idMath::ClampFloat(min, max, idMath::Pow(10.0f, millibels / 2000.0f));
}
idSoundEffect::idSoundEffect() :
@ -201,11 +204,11 @@ bool idEFXFile::ReadEffect( idLexer &src, idSoundEffect *effect ) {
} else if ( token == "environment diffusion" ) {
efxf(AL_EAXREVERB_DIFFUSION, src.ParseFloat());
} else if ( token == "room" ) {
efxf(AL_EAXREVERB_GAIN, mB_to_gain(src.ParseInt()));
efxf(AL_EAXREVERB_GAIN, mB_to_gain(src.ParseInt(), GAIN));
} else if ( token == "room hf" ) {
efxf(AL_EAXREVERB_GAINHF, mB_to_gain(src.ParseInt()));
efxf(AL_EAXREVERB_GAINHF, mB_to_gain(src.ParseInt(), GAINHF));
} else if ( token == "room lf" ) {
efxf(AL_EAXREVERB_GAINLF, mB_to_gain(src.ParseInt()));
efxf(AL_EAXREVERB_GAINLF, mB_to_gain(src.ParseInt(), GAINLF));
} else if ( token == "decay time" ) {
efxf(AL_EAXREVERB_DECAY_TIME, src.ParseFloat());
} else if ( token == "decay hf ratio" ) {
@ -213,13 +216,13 @@ bool idEFXFile::ReadEffect( idLexer &src, idSoundEffect *effect ) {
} else if ( token == "decay lf ratio" ) {
efxf(AL_EAXREVERB_DECAY_LFRATIO, src.ParseFloat());
} else if ( token == "reflections" ) {
efxf(AL_EAXREVERB_REFLECTIONS_GAIN, mB_to_gain(src.ParseInt()));
efxf(AL_EAXREVERB_REFLECTIONS_GAIN, mB_to_gain(src.ParseInt(), REFLECTIONS_GAIN));
} else if ( token == "reflections delay" ) {
efxf(AL_EAXREVERB_REFLECTIONS_DELAY, src.ParseFloat());
} else if ( token == "reflections pan" ) {
efxfv(AL_EAXREVERB_REFLECTIONS_PAN, src.ParseFloat(), src.ParseFloat(), src.ParseFloat());
} else if ( token == "reverb" ) {
efxf(AL_EAXREVERB_LATE_REVERB_GAIN, mB_to_gain(src.ParseInt()));
efxf(AL_EAXREVERB_LATE_REVERB_GAIN, mB_to_gain(src.ParseInt(), LATE_REVERB_GAIN));
} else if ( token == "reverb delay" ) {
efxf(AL_EAXREVERB_LATE_REVERB_DELAY, src.ParseFloat());
} else if ( token == "reverb pan" ) {
@ -233,7 +236,7 @@ bool idEFXFile::ReadEffect( idLexer &src, idSoundEffect *effect ) {
} else if ( token == "modulation depth" ) {
efxf(AL_EAXREVERB_MODULATION_DEPTH, src.ParseFloat());
} else if ( token == "air absorption hf" ) {
efxf(AL_EAXREVERB_AIR_ABSORPTION_GAINHF, mB_to_gain(src.ParseFloat()));
efxf(AL_EAXREVERB_AIR_ABSORPTION_GAINHF, mB_to_gain(src.ParseFloat(), AIR_ABSORPTION_GAINHF));
} else if ( token == "hf reference" ) {
efxf(AL_EAXREVERB_HFREFERENCE, src.ParseFloat());
} else if ( token == "lf reference" ) {