preload sounds

[supertux.git] / src / audio / sound_source.hpp

diff --git a/src/audio/sound_source.hpp b/src/audio/sound_source.hpp
index d878ef4..48c3f28 100644 (file)
--- a/src/audio/sound_source.hpp
+++ b/src/audio/sound_source.hpp
@@ -16,38 +16,34 @@
 //  You should have received a copy of the GNU General Public License
 //  along with this program; if not, write to the Free Software
 //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-
 #ifndef __SOUND_SOURCE_H__
 #define __SOUND_SOURCE_H__
 
-#include <AL/al.h>
 #include "math/vector.hpp"
 
+/**
+ * A sound source represents the source of audio output. You can place
+ * sources at certain points in your world or set their velocity to produce
+ * doppler effects
+ */
 class SoundSource
 {
 public:
-  SoundSource();
-  virtual ~SoundSource();
-
-  void play();
-  void stop();
-  bool playing();
+  virtual ~SoundSource()
+  { }
 
-  virtual void update();
+  virtual void play() = 0;
+  virtual void stop() = 0;
+  virtual bool playing() = 0;
 
-  void set_looping(bool looping);
+  virtual void set_looping(bool looping) = 0;
   /// Set volume (0.0 is silent, 1.0 is normal)
-  void set_gain(float gain);
-  void set_pitch(float pitch);
-  void set_position(Vector position);
-  void set_velocity(Vector position);
-  void set_reference_distance(float distance);
-
-protected:
-  friend class SoundManager;
-  
-  ALuint source;
+  virtual void set_gain(float gain) = 0;
+  virtual void set_pitch(float pitch) = 0;
+  virtual void set_position(const Vector& position) = 0;
+  virtual void set_velocity(const Vector& position) = 0;
+  virtual void set_reference_distance(float distance) = 0;
+  virtual void set_rollof_factor(float factor) = 0;
 };
 
 #endif
-