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"
29 #include "audio/musicref.h"
30 #include "moving_object.h"
31 #include "resources.h"
33 SoundManager::SoundManager()
34 : current_music(0), m_music_enabled(true) , m_sound_enabled(true),
39 SoundManager::~SoundManager()
41 for(Sounds::iterator i = sounds.begin(); i != sounds.end(); ++i) {
42 Mix_FreeChunk(i->second);
48 SoundManager::play_sound(const std::string& name,int loops)
50 if(!audio_device || !m_sound_enabled)
53 Mix_Chunk* chunk = preload_sound(name);
55 std::cerr << "Sound '" << name << "' not found.\n";
58 int chan=Mix_PlayChannel(-1, chunk, loops);
59 Mix_Volume(chan,MIX_MAX_VOLUME);
65 SoundManager::play_sound(const std::string& sound, const MovingObject* object,
68 // TODO keep track of the object later and move the sound along with the
70 return play_sound(sound, object->get_pos(), pos);
74 SoundManager::play_sound(const std::string& sound, const Vector& pos,
77 if(!audio_device || !m_sound_enabled)
80 Mix_Chunk* chunk = preload_sound(sound);
82 std::cerr << "Sound '" << sound << "' not found.\n";
86 // TODO make sure this formula is good
89 int loud = int(255.0/float(1600) * fabsf(distance));
93 int chan = Mix_PlayChannel(-1, chunk, 0);
96 Mix_Volume(chan,MIX_MAX_VOLUME);
97 Mix_SetDistance(chan, loud);
99 // very bad way to do this...
101 Mix_SetPanning(chan, 230, 24);
102 else if(distance < -100)
103 Mix_SetPanning(chan, 24, 230);
108 SoundManager::load_music(const std::string& file)
113 if(!exists_music(file)) {
114 std::stringstream msg;
115 msg << "Couldn't load musicfile '" << file << "': " << SDL_GetError();
116 throw std::runtime_error(msg.str());
119 std::map<std::string, MusicResource>::iterator i = musics.find(file);
120 assert(i != musics.end());
121 return MusicRef(& (i->second));
125 SoundManager::exists_music(const std::string& file)
130 // song already loaded?
131 std::map<std::string, MusicResource>::iterator i = musics.find(file);
132 if(i != musics.end()) {
136 Mix_Music* song = Mix_LoadMUS(file.c_str());
140 // insert into music list
141 std::pair<std::map<std::string, MusicResource>::iterator, bool> result =
143 std::make_pair<std::string, MusicResource> (file, MusicResource()));
144 MusicResource& resource = result.first->second;
145 resource.manager = this;
146 resource.music = song;
152 SoundManager::free_music(MusicResource* )
154 // TODO free music, currently we can't do this since SDL_mixer seems to have
155 // some bugs if you load/free alot of mod files.
159 SoundManager::play_music(const MusicRef& musicref, int loops)
164 if(musicref.music == 0 || current_music == musicref.music)
168 current_music->refcount--;
170 current_music = musicref.music;
171 current_music->refcount++;
174 Mix_PlayMusic(current_music->music, loops);
178 SoundManager::halt_music()
186 current_music->refcount--;
187 if(current_music->refcount == 0)
188 free_music(current_music);
194 SoundManager::enable_music(bool enable)
199 if(enable == m_music_enabled)
202 m_music_enabled = enable;
203 if(m_music_enabled == false) {
207 Mix_PlayMusic(current_music->music, -1);
212 SoundManager::enable_sound(bool enable)
217 m_sound_enabled = enable;
220 SoundManager::MusicResource::~MusicResource()
222 // don't free music buggy SDL_Mixer crashs for some mod files
223 // Mix_FreeMusic(music);
226 Mix_Chunk* SoundManager::preload_sound(const std::string& name)
231 Sounds::iterator i = sounds.find(name);
232 if(i != sounds.end()) {
236 std::string filename = "sounds/";
239 filename = get_resource_filename(filename);
241 Mix_Chunk* chunk = Mix_LoadWAV(filename.c_str());
243 sounds.insert(std::make_pair(name, chunk));