1 // $Id: sound_manager.cpp 2334 2005-04-04 16:26:14Z grumbel $
3 // SuperTux - A Jump'n Run
4 // Copyright (C) 2004 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.
27 #include "audio/sound_manager.h"
28 #include "audio/musicref.h"
29 #include "moving_object.h"
30 #include "resources.h"
32 SoundManager::SoundManager()
33 : current_music(0), m_music_enabled(true) , m_sound_enabled(true),
38 SoundManager::~SoundManager()
40 for(Sounds::iterator i = sounds.begin(); i != sounds.end(); ++i) {
41 Mix_FreeChunk(i->second);
47 SoundManager::play_sound(const std::string& name)
49 if(!audio_device || !m_sound_enabled)
52 Mix_Chunk* chunk = preload_sound(name);
54 std::cerr << "Sound '" << name << "' not found.\n";
57 Mix_PlayChannel(-1, chunk, 0);
61 SoundManager::play_sound(const std::string& sound, const MovingObject* object,
64 // TODO keep track of the object later and move the sound along with the
66 play_sound(sound, object->get_pos(), pos);
70 SoundManager::play_sound(const std::string& sound, const Vector& pos,
73 if(!audio_device || !m_sound_enabled)
76 Mix_Chunk* chunk = preload_sound(sound);
78 std::cerr << "Sound '" << sound << "' not found.\n";
82 // TODO make sure this formula is good
85 int loud = int(255.0/float(1600) * fabsf(distance));
89 int chan = Mix_PlayChannel(-1, chunk, 0);
92 Mix_SetDistance(chan, loud);
94 // very bad way to do this...
96 Mix_SetPanning(chan, 230, 24);
97 else if(distance < -100)
98 Mix_SetPanning(chan, 24, 230);
102 SoundManager::load_music(const std::string& file)
107 if(!exists_music(file)) {
108 std::stringstream msg;
109 msg << "Couldn't load musicfile '" << file << "': " << SDL_GetError();
110 throw std::runtime_error(msg.str());
113 std::map<std::string, MusicResource>::iterator i = musics.find(file);
114 assert(i != musics.end());
115 return MusicRef(& (i->second));
119 SoundManager::exists_music(const std::string& file)
124 // song already loaded?
125 std::map<std::string, MusicResource>::iterator i = musics.find(file);
126 if(i != musics.end()) {
130 Mix_Music* song = Mix_LoadMUS(file.c_str());
134 // insert into music list
135 std::pair<std::map<std::string, MusicResource>::iterator, bool> result =
137 std::make_pair<std::string, MusicResource> (file, MusicResource()));
138 MusicResource& resource = result.first->second;
139 resource.manager = this;
140 resource.music = song;
146 SoundManager::free_music(MusicResource* )
148 // TODO free music, currently we can't do this since SDL_mixer seems to have
149 // some bugs if you load/free alot of mod files.
153 SoundManager::play_music(const MusicRef& musicref, int loops)
158 if(musicref.music == 0 || current_music == musicref.music)
162 current_music->refcount--;
164 current_music = musicref.music;
165 current_music->refcount++;
168 Mix_PlayMusic(current_music->music, loops);
172 SoundManager::halt_music()
180 current_music->refcount--;
181 if(current_music->refcount == 0)
182 free_music(current_music);
188 SoundManager::enable_music(bool enable)
193 if(enable == m_music_enabled)
196 m_music_enabled = enable;
197 if(m_music_enabled == false) {
201 Mix_PlayMusic(current_music->music, -1);
206 SoundManager::enable_sound(bool enable)
211 m_sound_enabled = enable;
214 SoundManager::MusicResource::~MusicResource()
216 // don't free music buggy SDL_Mixer crashs for some mod files
217 // Mix_FreeMusic(music);
220 Mix_Chunk* SoundManager::preload_sound(const std::string& name)
225 Sounds::iterator i = sounds.find(name);
226 if(i != sounds.end()) {
230 std::string filename = "sounds/";
233 filename = get_resource_filename(filename);
235 Mix_Chunk* chunk = Mix_LoadWAV(filename.c_str());
237 sounds.insert(std::make_pair(name, chunk));