then if its just libraries I don't have any issue with it.
the directx 9 latest is june 2010 anyway and a lot of games need that anyway.
Change it then.
At 10:16 p.m. 4/03/2011, you wrote:
Hi Shaun,

BGT games will not need to be changed at all, but end users will need the June 2010 version of Direct X in order to play them. XAudio2 does not support panning natively, however the programmers I hired to write the port of Streemway from DirectSound to XAudio2 have found a way to change the volume of individual speakers. I have then extended this myself so that now, panning works 100 % the same as in DirectSound. In other words, not only will there be no change necessary to existing code but there will also not be any difference whatsoever in the positioning of sounds in stereo. This is not a pan simulation in 3d, this is exactly the same behavior as DirectSound exposes.

Kind regards,

Philip Bennefall
----- Original Message ----- From: "shaun everiss" <sm.ever...@gmail.com>
To: <phi...@blastbay.com>; "Gamers Discussion list" <gamers@audyssey.org>
Sent: Friday, March 04, 2011 10:11 AM
Subject: Re: [Audyssey] XAudio2 and BGT


well switch if you can.
It does mean panning will have to have 3d encoding but tom did manage
it in mota once and it was not to bad.
 of cause that probably means that every bgt game created will
probably not work anymore.
I guess you could keep legacy stuff around is it possible to have
both loads and then people can use either function set?
Eventually like anything direct sound will probably dissapear but for
now there are a lot of people that still play with it and use it.
Though
I am no programmer and don't know how game code would have to change.
if it just means the files change but the code is the same with more
options and such then thats fine with me.
At 09:03 p.m. 4/03/2011, you wrote:
Hi all,

Recently I have been making some drastic changes to the BGT core. As
many of you will know, most audio games today use a technology known
as DirectSound to output audio. BGT is no exception. Until about 3
years ago DirectSound was the interface of choice for all Windows
based games. It has been around since 1995, and has become rather
stable over the years. However, Microsoft are now pushing developers
away from DirectSound as it is being replaced by a new audio engine
called XAudio2. XAudio2 provides much greater flexibility when it
comes to low latency audio processing, and is an over-all better
system than DirectSound. However, in order for XAudio2 to work
reliably I have found that the end users need to run at least the
June 2010 release of Direct X 9. It is also necessary for users of
Windows 7 service pack 1 to upgrade in a few cases.

So my question to you all is this. In the next BGT release, would
you like me to switch to XAudio2? This will give much better
performance on Windows Vista and 7 as compared to DirectSound, but
should be about the same on Xp. However, the games simply will not
run if the user has anything earlier than Direct X June 2010
installed and it will force them to upgrade. Do I maintain two
versions of the engine for a while, a DirectSound and an XAudio2
build, or are we okay to switch immediately? This is what I would
like to ask you all before I make a final decision.

Thanks for reading.

Kind regards,

Philip Bennefall
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