4 // Copyright (C) 2006 Matthias Braun <matze@braunis.de>
6 // This program is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU General Public License
8 // as published by the Free Software Foundation; either version 2
9 // of the License, or (at your option) any later version.
11 // This program is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this program; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 #ifndef __SOUND_MANAGER_H__
20 #define __SOUND_MANAGER_H__
28 #include "math/vector.hpp"
32 class StreamSoundSource;
33 class OpenALSoundSource;
39 virtual ~SoundManager();
41 void enable_sound(bool sound_enabled);
43 * Creates a new sound source object which plays the specified soundfile.
44 * You are responsible for deleting the sound source later (this will stop the
46 * This function might throw exceptions. It returns 0 if no audio device is
49 SoundSource* create_sound_source(const std::string& filename);
51 * Convenience function to simply play a sound at a given position.
53 void play(const std::string& name, const Vector& pos = Vector(-1, -1));
55 * Adds the source to the list of managed sources (= the source gets deleted
56 * when it finished playing)
58 void manage_source(SoundSource* source);
59 /// preloads a sound, so that you don't get a lag later when playing it
60 void preload(const std::string& name);
62 void set_listener_position(const Vector& position);
63 void set_listener_velocity(const Vector& velocity);
65 void enable_music(bool music_enabled);
66 void play_music(const std::string& filename, bool fade = false);
67 void stop_music(float fadetime = 0);
69 bool is_music_enabled() { return music_enabled; }
70 bool is_sound_enabled() { return sound_enabled; }
72 bool is_audio_enabled() {
73 return (device == 0 || context == 0 ? false : true);
79 friend class OpenALSoundSource;
80 friend class StreamSoundSource;
82 static ALuint load_file_into_buffer(SoundFile* file);
83 static ALenum get_sample_format(SoundFile* file);
85 void print_openal_version();
86 void check_alc_error(const char* message);
87 static void check_al_error(const char* message);
93 typedef std::map<std::string, ALuint> SoundBuffers;
95 typedef std::vector<OpenALSoundSource*> SoundSources;
98 StreamSoundSource* music_source;
101 std::string current_music;
104 extern SoundManager* sound_manager;