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-rw-r--r--indra/newview/app_settings/settings.xml11
-rw-r--r--indra/newview/llvieweraudio.cpp24
2 files changed, 29 insertions, 6 deletions
diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 55db13e44a..e24e1a8605 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -265,6 +265,17 @@
<key>Value</key>
<real>0.5</real>
</map>
+ <key>AudioLevelWind</key>
+ <map>
+ <key>Comment</key>
+ <string>Audio level of wind noise when standing still</string>
+ <key>Persist</key>
+ <integer>1</integer>
+ <key>Type</key>
+ <string>F32</string>
+ <key>Value</key>
+ <real>0.5</real>
+ </map>
<key>AudioSteamingMedia</key>
<map>
<key>Comment</key>
diff --git a/indra/newview/llvieweraudio.cpp b/indra/newview/llvieweraudio.cpp
index e7f904023a..38103f9e41 100644
--- a/indra/newview/llvieweraudio.cpp
+++ b/indra/newview/llvieweraudio.cpp
@@ -211,19 +211,31 @@ void audio_update_wind(bool force_update)
//
if (force_update || (last_camera_water_height * camera_water_height) < 0.f)
{
+ static LLUICachedControl<F32> rolloff("AudioLevelRolloff", 1.0f);
if (camera_water_height < 0.f)
{
- gAudiop->setRolloffFactor(gSavedSettings.getF32("AudioLevelRolloff") * LL_ROLLOFF_MULTIPLIER_UNDER_WATER);
+ gAudiop->setRolloffFactor(rolloff * LL_ROLLOFF_MULTIPLIER_UNDER_WATER);
}
else
{
- gAudiop->setRolloffFactor(gSavedSettings.getF32("AudioLevelRolloff"));
+ gAudiop->setRolloffFactor(rolloff);
}
}
- // this line rotates the wind vector to be listener (agent) relative
- // Only use the agent's motion to compute wind noise, otherwise the world
- // feels desolate on login when you are standing still.
- gRelativeWindVec = gAgent.getFrameAgent().rotateToLocal( -gAgent.getVelocity() );
+
+ // Scale down the contribution of weather-simulation wind to the
+ // ambient wind noise. Wind velocity averages 3.5 m/s, with gusts to 7 m/s
+ // whereas steady-state avatar walk velocity is only 3.2 m/s.
+ // Without this the world feels desolate on first login when you are
+ // standing still.
+ static LLUICachedControl<F32> wind_level("AudioLevelWind", 0.5f);
+ LLVector3 scaled_wind_vec = gWindVec * wind_level;
+
+ // Mix in the avatar's motion, subtract because when you walk north,
+ // the apparent wind moves south.
+ LLVector3 final_wind_vec = scaled_wind_vec - gAgent.getVelocity();
+
+ // rotate the wind vector to be listener (agent) relative
+ gRelativeWindVec = gAgent.getFrameAgent().rotateToLocal( final_wind_vec );
// don't use the setter setMaxWindGain() because we don't
// want to screw up the fade-in on startup by setting actual source gain