Small style fix

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

diff --git a/src/audio/sound_source.hpp b/src/audio/sound_source.hpp
index b202043..065bfcb 100644 (file)
--- a/src/audio/sound_source.hpp
+++ b/src/audio/sound_source.hpp
@@ -1,33 +1,53 @@
-#ifndef __SOUND_SOURCE_H__
-#define __SOUND_SOURCE_H__
-
-#include <AL/al.h>
-#include "math/vector.hpp"
-
+//  SuperTux
+//  Copyright (C) 2006 Matthias Braun <matze@braunis.de>
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef HEADER_SUPERTUX_AUDIO_SOUND_SOURCE_HPP
+#define HEADER_SUPERTUX_AUDIO_SOUND_SOURCE_HPP
+
+class Vector;
+
+/**
+ * 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();
+  SoundSource() {}
+  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;
+  virtual void set_relative(bool relative) = 0;
   /// Set volume (0.0 is silent, 1.0 is normal)
-  void set_gain(float gain);
-  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& velocity) = 0;
+  virtual void set_reference_distance(float distance) = 0;
+
+private:
+  SoundSource(const SoundSource&) = delete;
+  SoundSource& operator=(const SoundSource&) = delete;
 };
 
 #endif
 
+/* EOF */