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Diffstat (limited to 'indra/newview/llviewermedia.cpp')
| -rw-r--r-- | indra/newview/llviewermedia.cpp | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/indra/newview/llviewermedia.cpp b/indra/newview/llviewermedia.cpp index c8f3374f38..076a9609e3 100644 --- a/indra/newview/llviewermedia.cpp +++ b/indra/newview/llviewermedia.cpp @@ -1918,22 +1918,21 @@ void LLViewerMediaImpl::updateVolume() // always scale the volume by the global media volume F32 volume = mRequestedVolume * LLViewerMedia::getVolume(); - // attenuate if this is not parcel media - if (!mIsParcelMedia) + if (mProximityCamera > 0) { - if (mProximityCamera > gSavedSettings.getF32("MediaRollOffMaxDistance")) + if (mProximityCamera > gSavedSettings.getF32("MediaRollOffMax")) { volume = 0; } - else + else if (mProximityCamera > gSavedSettings.getF32("MediaRollOffMin")) { - // attenuated volume = volume * roll_off rate / distance^2 - // adjust distance by saved setting so we can tune the distance at which attenuation begins - // the actual start distance is sqrt(MediaRollOffMaxDistance)+MediaRollOffStartAdjustment - F64 adjusted_distance = mProximityCamera - gSavedSettings.getF32("MediaRollOffStart"); - + // attenuated_volume = v / ( 1 + (roll_off_rate * (d - min))^2 + // the +1 is there so that for distance 0 the volume stays the same + F64 adjusted_distance = mProximityCamera - gSavedSettings.getF32("MediaRollOffMin"); + F64 attenuation = gSavedSettings.getF32("MediaRollOffRate") * adjusted_distance; + attenuation = attenuation * attenuation; // the attenuation multiplier should never be more than one since that would increase volume - volume = volume * llmin(1.0, gSavedSettings.getF32("MediaRollOffRate")/adjusted_distance*adjusted_distance); + volume = volume * llmin(1.0, 1 /(attenuation + 1)); } } |