MSVC fix.

[simgear.git] / simgear / sound / soundmgr_openal.hxx

diff --git a/simgear/sound/soundmgr_openal.hxx b/simgear/sound/soundmgr_openal.hxx
index 3f7c4cbd1e767075ab87c29ed20b59da9b340b84..6c0d18429526257403ca2fccb1f75eaee7d4fc63 100644 (file)
--- a/simgear/sound/soundmgr_openal.hxx
+++ b/simgear/sound/soundmgr_openal.hxx
@@ -5,7 +5,7 @@
 //
 // C++-ified by Curtis Olson, started March 2001.
 //
-// Copyright (C) 2001  Curtis L. Olson - curt@flightgear.org
+// Copyright (C) 2001  Curtis L. Olson - http://www.flightgear.org/~curt
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License as
@@ -44,8 +44,10 @@
 
 #if defined( __APPLE__ )
 # include <OpenAL/al.h>
+# include <OpenAL/alc.h>
 #else
 # include <AL/al.h>
+# include <AL/alc.h>
 #endif
 
 #include "sample_openal.hxx"
@@ -65,6 +67,9 @@ typedef sample_map::const_iterator const_sample_map_iterator;
 class SGSoundMgr
 {
 
+    ALCdevice *dev;
+    ALCcontext *context;
+
     // Position of the listener.
     ALfloat listener_pos[3];
 
@@ -174,6 +179,16 @@ public:
      */
     bool stop( const string& refname );
 
+    /**
+     * set overall volume for the application.
+     * @param vol 1.0 is default, must be greater than 0
+     */
+    inline void set_volume( const ALfloat vol ) {
+        if ( vol > 0.0 ) {
+            alListenerf( AL_GAIN, vol );
+        }
+    }
+
     /**
      * set the position of the listener (in opengl coordinates)
      */