I doubt anyone has even looked at that code much. If it looks like you can improve it, then why not.
I don't see that on the "tasks" list. Then again, I don't see GUI overhaul on it neither. On Fri, 05 Jan 2007 18:10:25 -0500 Giel van Schijndel <[EMAIL PROTECTED]> wrote: >Just taking a look into the current sound libs. > >And of course we're using OpenAL there. So why should we actually >when >using OpenAL, erm actually erm, use it???? >When looking at lib/sound/openal_track.c:sound_SetObjectPosition() >I'm >getting a headache. > >Rather than just simply setting the sound-generating object's >location >using an OpenAL API call, and let OpenAL handle all the gain and >volume >attenuation stuff, this code does the job which OpenAL should do >(and is >probably better at considering it uses hardware acceleration where >possible). >That function first calculates the distance between listener and >sound >source (Pythagoras like; using a quadratic formula then sqrt) . >Then >based upon that it calculates the sound's gain based upon the >distance >and tells OpenAL to use that gain. Then it makes a final call to >the >OpenAL API to set the position of that sound's source. Since one >of the >things sound_InitLibrary() does however that last call won't have >any >effect because it disables OpenAL's distance calculation by this >call: >> alDistanceModel( AL_NONE ); >What I tried to explain here, is that the current sound >implementation >only uses OpenAL as a sound mixer (which SDL happens to be capable >of >just the same) just for playing different sounds in parallel. > >The same distance computation is btw provided by OpenAL when the >distance model is set to AL_LINEAR_DISTANCE and the sound source's >AL_MAX_DISTANCE=1.0, AL_REFERENCE_DISTANCE=0.0 and >AL_ROLLOFF_FACTOR=ATTENUATION_FACTOR (ATTENUATION_FACTOR is >currently >defined to 0.0003 which is _very_ low). > >Therefore I propose a major overhaul/reimplementation for the >sound lib >(probably best in a separate branch). So please give me your pros >and >cons to this proposal (or its grounds). > >-- >Giel Concerned about your privacy? Instantly send FREE secure email, no account required http://www.hushmail.com/send?l=480 Get the best prices on SSL certificates from Hushmail https://www.hushssl.com?l=485 _______________________________________________ Warzone-dev mailing list [email protected] https://mail.gna.org/listinfo/warzone-dev
