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.
23 #include "audio/sound_manager.h"
24 #include "audio/musicref.h"
25 #include "audio/sound.h"
26 #include "app/globals.h"
27 #include "app/setup.h"
28 #include "special/moving_object.h"
30 SoundManager::SoundManager()
31 : current_music(0), music_enabled(true)
35 SoundManager::~SoundManager()
42 SoundManager::play_sound(Mix_Chunk* sound)
44 if(!audio_device || !use_sound)
47 Mix_PlayChannel(-1, sound, 0);
51 SoundManager::play_sound(Mix_Chunk* sound, const MovingObject* object, const Vector& pos)
53 // TODO keep track of the object later and move the sound along with the
55 play_sound(sound, object->get_pos(), pos);
59 SoundManager::play_sound(Mix_Chunk* sound, const Vector& pos, const Vector& pos2)
61 if(!audio_device || !use_sound)
64 // TODO make sure this formula is good
67 int loud = int(255.0/float(screen->w*2) * fabsf(distance));
71 int chan = Mix_PlayChannel(-1, sound, 0);
74 Mix_SetDistance(chan, loud);
76 // very bad way to do this...
78 Mix_SetPanning(chan, 230, 24);
79 else if(distance < -100)
80 Mix_SetPanning(chan, 24, 230);
84 SoundManager::load_music(const std::string& file)
89 if(!exists_music(file))
90 st_abort("Couldn't load musicfile ", file.c_str());
92 std::map<std::string, MusicResource>::iterator i = musics.find(file);
93 assert(i != musics.end());
94 return MusicRef(& (i->second));
98 SoundManager::exists_music(const std::string& file)
103 // song already loaded?
104 std::map<std::string, MusicResource>::iterator i = musics.find(file);
105 if(i != musics.end()) {
109 Mix_Music* song = Mix_LoadMUS(file.c_str());
113 // insert into music list
114 std::pair<std::map<std::string, MusicResource>::iterator, bool> result =
116 std::make_pair<std::string, MusicResource> (file, MusicResource()));
117 MusicResource& resource = result.first->second;
118 resource.manager = this;
119 resource.music = song;
125 SoundManager::free_music(MusicResource* )
127 // TODO free music, currently we can't do this since SDL_mixer seems to have
128 // some bugs if you load/free alot of mod files.
132 SoundManager::play_music(const MusicRef& musicref, int loops)
137 if(musicref.music == 0 || current_music == musicref.music)
141 current_music->refcount--;
143 current_music = musicref.music;
144 current_music->refcount++;
147 Mix_PlayMusic(current_music->music, loops);
151 SoundManager::halt_music()
159 current_music->refcount--;
160 if(current_music->refcount == 0)
161 free_music(current_music);
167 SoundManager::enable_music(bool enable)
172 if(enable == music_enabled)
175 music_enabled = enable;
176 if(music_enabled == false) {
179 Mix_PlayMusic(current_music->music, -1);
183 SoundManager::MusicResource::~MusicResource()
185 // don't free music buggy SDL_Mixer crashs for some mod files
186 // Mix_FreeMusic(music);