Andrew Eikum : dsound: Apply rolloff factor to distance attenuation.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 2edb4bf320f5c09b658c382c8d8b9d9600d1f1e7
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=2edb4bf320f5c09b658c382c8d8b9d9600d1f1e7

Author: Andrew Eikum <aeikum at codeweavers.com>
Date:   Tue Apr 28 10:21:04 2015 -0500

dsound: Apply rolloff factor to distance attenuation.

---

 dlls/dsound/sound3d.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/dsound/sound3d.c b/dlls/dsound/sound3d.c
index 5eb02a6..e428053 100644
--- a/dlls/dsound/sound3d.c
+++ b/dlls/dsound/sound3d.c
@@ -207,7 +207,7 @@ void DSOUND_Calc3DBuffer(IDirectSoundBufferImpl *dsb)
 		flDistance = dsb->ds3db_ds3db.flMinDistance;
 	
 	/* attenuation proportional to the distance squared, converted to millibels as in lVolume*/
-	lVolume -= log10(flDistance/dsb->ds3db_ds3db.flMinDistance * flDistance/dsb->ds3db_ds3db.flMinDistance)*1000;
+	lVolume -= log10(flDistance/dsb->ds3db_ds3db.flMinDistance * flDistance/dsb->ds3db_ds3db.flMinDistance)*1000 * dsb->device->ds3dl.flRolloffFactor;
 	TRACE("dist. att: Distance = %f, MinDistance = %f => adjusting volume %d to %f\n", flDistance, dsb->ds3db_ds3db.flMinDistance, dsb->ds3db_lVolume, lVolume);
 
 	/* conning */