-// $Id$
-//
// 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 2
-// of the License, or (at your option) any later version.
+// 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
// 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, write to the Free Software
-// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
-#ifndef __SOUND_SOURCE_H__
-#define __SOUND_SOURCE_H__
+#ifndef HEADER_SUPERTUX_AUDIO_SOUND_SOURCE_HPP
+#define HEADER_SUPERTUX_AUDIO_SOUND_SOURCE_HPP
-#include <AL/al.h>
-#include "math/vector.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();
+ 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
+/* EOF */