forked from OctaForge/OctaCore
830 lines
21 KiB
C++
830 lines
21 KiB
C++
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// sound.cpp: basic positional sound using sdl_mixer
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#include "engine.hh"
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#ifdef __APPLE__
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#include "SDL2_mixer/SDL_mixer.h"
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#else
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#include "SDL_mixer.h"
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#endif
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bool nosound = true;
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struct soundsample
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{
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char *name;
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Mix_Chunk *chunk;
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soundsample() : name(NULL), chunk(NULL) {}
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~soundsample() { DELETEA(name); }
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void cleanup() { if(chunk) { Mix_FreeChunk(chunk); chunk = NULL; } }
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bool load(const char *dir, bool msg = false);
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};
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struct soundslot
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{
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soundsample *sample;
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int volume;
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};
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struct soundconfig
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{
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int slots, numslots;
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int maxuses;
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bool hasslot(const soundslot *p, const vector<soundslot> &v) const
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{
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return p >= v.getbuf() + slots && p < v.getbuf() + slots+numslots && slots+numslots < v.length();
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}
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int chooseslot() const
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{
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return numslots > 1 ? slots + rnd(numslots) : slots;
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}
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};
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struct soundchannel
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{
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int id;
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bool inuse;
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vec loc;
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soundslot *slot;
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extentity *ent;
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int radius, volume, pan, flags;
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bool dirty;
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soundchannel(int id) : id(id) { reset(); }
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bool hasloc() const { return loc.x >= -1e15f; }
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void clearloc() { loc = vec(-1e16f, -1e16f, -1e16f); }
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void reset()
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{
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inuse = false;
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clearloc();
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slot = NULL;
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ent = NULL;
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radius = 0;
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volume = -1;
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pan = -1;
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flags = 0;
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dirty = false;
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}
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};
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vector<soundchannel> channels;
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int maxchannels = 0;
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soundchannel &newchannel(int n, soundslot *slot, const vec *loc = NULL, extentity *ent = NULL, int flags = 0, int radius = 0)
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{
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if(ent)
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{
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loc = &ent->o;
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ent->flags |= EF_SOUND;
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}
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while(!channels.inrange(n)) channels.add(channels.length());
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soundchannel &chan = channels[n];
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chan.reset();
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chan.inuse = true;
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if(loc) chan.loc = *loc;
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chan.slot = slot;
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chan.ent = ent;
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chan.flags = 0;
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chan.radius = radius;
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return chan;
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}
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void freechannel(int n)
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{
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if(!channels.inrange(n) || !channels[n].inuse) return;
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soundchannel &chan = channels[n];
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chan.inuse = false;
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if(chan.ent) chan.ent->flags &= ~EF_SOUND;
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}
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void syncchannel(soundchannel &chan)
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{
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if(!chan.dirty) return;
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if(!Mix_FadingChannel(chan.id)) Mix_Volume(chan.id, chan.volume);
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Mix_SetPanning(chan.id, 255-chan.pan, chan.pan);
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chan.dirty = false;
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}
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void stopchannels()
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{
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loopv(channels)
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{
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soundchannel &chan = channels[i];
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if(!chan.inuse) continue;
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Mix_HaltChannel(i);
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freechannel(i);
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}
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}
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void setmusicvol(int musicvol);
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VARFP(soundvol, 0, 255, 255, if(!soundvol) { stopchannels(); setmusicvol(0); });
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VARFP(musicvol, 0, 60, 255, setmusicvol(soundvol ? musicvol : 0));
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char *musicfile = NULL, *musicdonecmd = NULL;
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Mix_Music *music = NULL;
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SDL_RWops *musicrw = NULL;
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stream *musicstream = NULL;
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void setmusicvol(int musicvol)
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{
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if(nosound) return;
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if(music) Mix_VolumeMusic((musicvol*MIX_MAX_VOLUME)/255);
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}
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void stopmusic()
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{
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if(nosound) return;
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DELETEA(musicfile);
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DELETEA(musicdonecmd);
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if(music)
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{
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Mix_HaltMusic();
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Mix_FreeMusic(music);
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music = NULL;
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}
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if(musicrw) { SDL_FreeRW(musicrw); musicrw = NULL; }
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DELETEP(musicstream);
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}
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VARF(sound, 0, 1, 1, initwarning("sound configuration", INIT_RESET, CHANGE_SOUND));
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VARF(soundchans, 1, 32, 128, initwarning("sound configuration", INIT_RESET, CHANGE_SOUND));
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VARF(soundfreq, 0, 44100, 44100, initwarning("sound configuration", INIT_RESET, CHANGE_SOUND));
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VARF(soundbufferlen, 128, 1024, 4096, initwarning("sound configuration", INIT_RESET, CHANGE_SOUND));
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void initsound()
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{
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SDL_version version;
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SDL_GetVersion(&version);
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if(version.major == 2 && version.minor == 0 && version.patch == 6)
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{
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nosound = true;
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if(sound) conoutf(CON_ERROR, "audio is broken in SDL 2.0.6");
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return;
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}
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if(!sound || Mix_OpenAudio(soundfreq, MIX_DEFAULT_FORMAT, 2, soundbufferlen)<0)
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{
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nosound = true;
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if(sound) conoutf(CON_ERROR, "sound init failed (SDL_mixer): %s", Mix_GetError());
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return;
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}
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Mix_AllocateChannels(soundchans);
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maxchannels = soundchans;
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nosound = false;
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}
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void musicdone()
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{
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if(music) { Mix_HaltMusic(); Mix_FreeMusic(music); music = NULL; }
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if(musicrw) { SDL_FreeRW(musicrw); musicrw = NULL; }
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DELETEP(musicstream);
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DELETEA(musicfile);
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if(!musicdonecmd) return;
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char *cmd = musicdonecmd;
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musicdonecmd = NULL;
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execute(cmd);
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delete[] cmd;
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}
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Mix_Music *loadmusic(const char *name)
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{
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if(!musicstream) musicstream = openzipfile(name, "rb");
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if(musicstream)
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{
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if(!musicrw) musicrw = musicstream->rwops();
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if(!musicrw) DELETEP(musicstream);
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}
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if(musicrw) music = Mix_LoadMUSType_RW(musicrw, MUS_NONE, 0);
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else music = Mix_LoadMUS(findfile(name, "rb"));
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if(!music)
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{
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if(musicrw) { SDL_FreeRW(musicrw); musicrw = NULL; }
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DELETEP(musicstream);
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}
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return music;
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}
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void startmusic(char *name, char *cmd)
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{
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if(nosound) return;
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stopmusic();
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if(soundvol && musicvol && *name)
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{
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defformatstring(file, "media/%s", name);
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path(file);
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if(loadmusic(file))
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{
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DELETEA(musicfile);
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DELETEA(musicdonecmd);
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musicfile = newstring(file);
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if(cmd[0]) musicdonecmd = newstring(cmd);
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Mix_PlayMusic(music, cmd[0] ? 0 : -1);
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Mix_VolumeMusic((musicvol*MIX_MAX_VOLUME)/255);
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intret(1);
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}
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else
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{
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conoutf(CON_ERROR, "could not play music: %s", file);
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intret(0);
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}
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}
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}
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COMMANDN(music, startmusic, "ss");
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static Mix_Chunk *loadwav(const char *name)
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{
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Mix_Chunk *c = NULL;
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stream *z = openzipfile(name, "rb");
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if(z)
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{
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SDL_RWops *rw = z->rwops();
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if(rw)
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{
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c = Mix_LoadWAV_RW(rw, 0);
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SDL_FreeRW(rw);
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}
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delete z;
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}
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if(!c) c = Mix_LoadWAV(findfile(name, "rb"));
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return c;
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}
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bool soundsample::load(const char *dir, bool msg)
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{
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if(chunk) return true;
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if(!name[0]) return false;
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static const char * const exts[] = { "", ".wav", ".ogg" };
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string filename;
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loopi(sizeof(exts)/sizeof(exts[0]))
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{
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formatstring(filename, "media/sound/%s%s%s", dir, name, exts[i]);
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if(msg && !i) renderprogress(0, filename);
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path(filename);
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chunk = loadwav(filename);
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if(chunk) return true;
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}
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conoutf(CON_ERROR, "failed to load sample: media/sound/%s%s", dir, name);
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return false;
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}
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static struct soundtype
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{
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hashnameset<soundsample> samples;
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vector<soundslot> slots;
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vector<soundconfig> configs;
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const char *dir;
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soundtype(const char *dir) : dir(dir) {}
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int findsound(const char *name, int vol)
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{
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loopv(configs)
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{
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soundconfig &s = configs[i];
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loopj(s.numslots)
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{
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soundslot &c = slots[s.slots+j];
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if(!strcmp(c.sample->name, name) && (!vol || c.volume==vol)) return i;
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}
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}
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return -1;
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}
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int addslot(const char *name, int vol)
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{
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soundsample *s = samples.access(name);
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if(!s)
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{
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char *n = newstring(name);
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s = &samples[n];
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s->name = n;
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s->chunk = NULL;
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}
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soundslot *oldslots = slots.getbuf();
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int oldlen = slots.length();
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soundslot &slot = slots.add();
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// soundslots.add() may relocate slot pointers
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if(slots.getbuf() != oldslots) loopv(channels)
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{
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soundchannel &chan = channels[i];
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if(chan.inuse && chan.slot >= oldslots && chan.slot < &oldslots[oldlen])
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chan.slot = &slots[chan.slot - oldslots];
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}
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slot.sample = s;
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slot.volume = vol ? vol : 100;
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return oldlen;
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}
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int addsound(const char *name, int vol, int maxuses = 0)
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{
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soundconfig &s = configs.add();
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s.slots = addslot(name, vol);
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s.numslots = 1;
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s.maxuses = maxuses;
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return configs.length()-1;
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}
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void addalt(const char *name, int vol)
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{
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if(configs.empty()) return;
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addslot(name, vol);
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configs.last().numslots++;
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}
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void clear()
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{
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slots.setsize(0);
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configs.setsize(0);
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}
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void reset()
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{
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loopv(channels)
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{
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soundchannel &chan = channels[i];
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if(chan.inuse && slots.inbuf(chan.slot))
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{
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Mix_HaltChannel(i);
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freechannel(i);
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}
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}
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clear();
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}
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void cleanupsamples()
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{
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enumerate(samples, soundsample, s, s.cleanup());
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}
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void cleanup()
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{
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cleanupsamples();
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slots.setsize(0);
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configs.setsize(0);
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samples.clear();
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}
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void preloadsound(int n)
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{
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if(nosound || !configs.inrange(n)) return;
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soundconfig &config = configs[n];
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loopk(config.numslots) slots[config.slots+k].sample->load(dir, true);
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}
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bool playing(const soundchannel &chan, const soundconfig &config) const
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{
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return chan.inuse && config.hasslot(chan.slot, slots);
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}
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} gamesounds("game/"), mapsounds("mapsound/");
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void registersound(char *name, int *vol) { intret(gamesounds.addsound(name, *vol, 0)); }
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COMMAND(registersound, "si");
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void mapsound(char *name, int *vol, int *maxuses) { intret(mapsounds.addsound(name, *vol, *maxuses < 0 ? 0 : max(1, *maxuses))); }
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COMMAND(mapsound, "sii");
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void altsound(char *name, int *vol) { gamesounds.addalt(name, *vol); }
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COMMAND(altsound, "si");
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void altmapsound(char *name, int *vol) { mapsounds.addalt(name, *vol); }
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COMMAND(altmapsound, "si");
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ICOMMAND(numsounds, "", (), intret(gamesounds.configs.length()));
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ICOMMAND(nummapsounds, "", (), intret(mapsounds.configs.length()));
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void soundreset()
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{
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gamesounds.reset();
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}
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COMMAND(soundreset, "");
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void mapsoundreset()
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{
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mapsounds.reset();
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}
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COMMAND(mapsoundreset, "");
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void resetchannels()
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{
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loopv(channels) if(channels[i].inuse) freechannel(i);
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channels.shrink(0);
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}
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void clear_sound()
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{
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closemumble();
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if(nosound) return;
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stopmusic();
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gamesounds.cleanup();
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mapsounds.cleanup();
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Mix_CloseAudio();
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resetchannels();
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}
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void stopmapsounds()
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{
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loopv(channels) if(channels[i].inuse && channels[i].ent)
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{
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Mix_HaltChannel(i);
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freechannel(i);
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}
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}
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void clearmapsounds()
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{
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stopmapsounds();
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mapsounds.clear();
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}
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void stopmapsound(extentity *e)
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{
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loopv(channels)
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{
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soundchannel &chan = channels[i];
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if(chan.inuse && chan.ent == e)
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{
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Mix_HaltChannel(i);
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freechannel(i);
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}
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}
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}
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void checkmapsounds()
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{
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const vector<extentity *> &ents = entities::getents();
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loopv(ents)
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{
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extentity &e = *ents[i];
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if(e.type!=ET_SOUND) continue;
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if(camera1->o.dist(e.o) < e.attr2)
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{
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||
|
if(!(e.flags&EF_SOUND)) playsound(e.attr1, NULL, &e, SND_MAP, -1);
|
||
|
}
|
||
|
else if(e.flags&EF_SOUND) stopmapsound(&e);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
VAR(stereo, 0, 1, 1);
|
||
|
|
||
|
VARP(maxsoundradius, 0, 340, 10000);
|
||
|
|
||
|
bool updatechannel(soundchannel &chan)
|
||
|
{
|
||
|
if(!chan.slot) return false;
|
||
|
int vol = soundvol, pan = 255/2;
|
||
|
if(chan.hasloc())
|
||
|
{
|
||
|
vec v;
|
||
|
float dist = chan.loc.dist(camera1->o, v);
|
||
|
int rad = maxsoundradius;
|
||
|
if(chan.ent)
|
||
|
{
|
||
|
rad = chan.ent->attr2;
|
||
|
if(chan.ent->attr3)
|
||
|
{
|
||
|
rad -= chan.ent->attr3;
|
||
|
dist -= chan.ent->attr3;
|
||
|
}
|
||
|
}
|
||
|
else if(chan.radius > 0) rad = maxsoundradius ? min(maxsoundradius, chan.radius) : chan.radius;
|
||
|
if(rad > 0) vol -= int(clamp(dist/rad, 0.0f, 1.0f)*soundvol); // simple mono distance attenuation
|
||
|
if(stereo && (v.x != 0 || v.y != 0) && dist>0)
|
||
|
{
|
||
|
v.rotate_around_z(-camera1->yaw*RAD);
|
||
|
pan = int(255.9f*(0.5f - 0.5f*v.x/v.magnitude2())); // range is from 0 (left) to 255 (right)
|
||
|
}
|
||
|
}
|
||
|
vol = (vol*MIX_MAX_VOLUME*chan.slot->volume)/255/255;
|
||
|
vol = min(vol, MIX_MAX_VOLUME);
|
||
|
if(vol == chan.volume && pan == chan.pan) return false;
|
||
|
chan.volume = vol;
|
||
|
chan.pan = pan;
|
||
|
chan.dirty = true;
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
void reclaimchannels()
|
||
|
{
|
||
|
loopv(channels)
|
||
|
{
|
||
|
soundchannel &chan = channels[i];
|
||
|
if(chan.inuse && !Mix_Playing(i)) freechannel(i);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void syncchannels()
|
||
|
{
|
||
|
loopv(channels)
|
||
|
{
|
||
|
soundchannel &chan = channels[i];
|
||
|
if(chan.inuse && chan.hasloc() && updatechannel(chan)) syncchannel(chan);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void updatesounds()
|
||
|
{
|
||
|
updatemumble();
|
||
|
if(nosound) return;
|
||
|
if(minimized) stopsounds();
|
||
|
else
|
||
|
{
|
||
|
reclaimchannels();
|
||
|
if(mainmenu) stopmapsounds();
|
||
|
else checkmapsounds();
|
||
|
syncchannels();
|
||
|
}
|
||
|
if(music)
|
||
|
{
|
||
|
if(!Mix_PlayingMusic()) musicdone();
|
||
|
else if(Mix_PausedMusic()) Mix_ResumeMusic();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
VARP(maxsoundsatonce, 0, 7, 100);
|
||
|
|
||
|
VAR(dbgsound, 0, 0, 1);
|
||
|
|
||
|
void preloadsound(int n)
|
||
|
{
|
||
|
gamesounds.preloadsound(n);
|
||
|
}
|
||
|
|
||
|
void preloadmapsound(int n)
|
||
|
{
|
||
|
mapsounds.preloadsound(n);
|
||
|
}
|
||
|
|
||
|
void preloadmapsounds()
|
||
|
{
|
||
|
const vector<extentity *> &ents = entities::getents();
|
||
|
loopv(ents)
|
||
|
{
|
||
|
extentity &e = *ents[i];
|
||
|
if(e.type==ET_SOUND) mapsounds.preloadsound(e.attr1);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
int playsound(int n, const vec *loc, extentity *ent, int flags, int loops, int fade, int chanid, int radius, int expire)
|
||
|
{
|
||
|
if(nosound || !soundvol || minimized) return -1;
|
||
|
|
||
|
soundtype &sounds = ent || flags&SND_MAP ? mapsounds : gamesounds;
|
||
|
if(!sounds.configs.inrange(n)) { conoutf(CON_WARN, "unregistered sound: %d", n); return -1; }
|
||
|
soundconfig &config = sounds.configs[n];
|
||
|
|
||
|
if(loc && (maxsoundradius || radius > 0))
|
||
|
{
|
||
|
// cull sounds that are unlikely to be heard
|
||
|
int rad = radius > 0 ? (maxsoundradius ? min(maxsoundradius, radius) : radius) : maxsoundradius;
|
||
|
if(camera1->o.dist(*loc) > 1.5f*rad)
|
||
|
{
|
||
|
if(channels.inrange(chanid) && sounds.playing(channels[chanid], config))
|
||
|
{
|
||
|
Mix_HaltChannel(chanid);
|
||
|
freechannel(chanid);
|
||
|
}
|
||
|
return -1;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if(chanid < 0)
|
||
|
{
|
||
|
if(config.maxuses)
|
||
|
{
|
||
|
int uses = 0;
|
||
|
loopv(channels) if(sounds.playing(channels[i], config) && ++uses >= config.maxuses) return -1;
|
||
|
}
|
||
|
|
||
|
// avoid bursts of sounds with heavy packetloss and in sp
|
||
|
static int soundsatonce = 0, lastsoundmillis = 0;
|
||
|
if(totalmillis == lastsoundmillis) soundsatonce++; else soundsatonce = 1;
|
||
|
lastsoundmillis = totalmillis;
|
||
|
if(maxsoundsatonce && soundsatonce > maxsoundsatonce) return -1;
|
||
|
}
|
||
|
|
||
|
if(channels.inrange(chanid))
|
||
|
{
|
||
|
soundchannel &chan = channels[chanid];
|
||
|
if(sounds.playing(chan, config))
|
||
|
{
|
||
|
if(loc) chan.loc = *loc;
|
||
|
else if(chan.hasloc()) chan.clearloc();
|
||
|
return chanid;
|
||
|
}
|
||
|
}
|
||
|
if(fade < 0) return -1;
|
||
|
|
||
|
soundslot &slot = sounds.slots[config.chooseslot()];
|
||
|
if(!slot.sample->chunk && !slot.sample->load(sounds.dir)) return -1;
|
||
|
|
||
|
if(dbgsound) conoutf("sound: %s%s", sounds.dir, slot.sample->name);
|
||
|
|
||
|
chanid = -1;
|
||
|
loopv(channels) if(!channels[i].inuse) { chanid = i; break; }
|
||
|
if(chanid < 0 && channels.length() < maxchannels) chanid = channels.length();
|
||
|
if(chanid < 0) loopv(channels) if(!channels[i].volume) { Mix_HaltChannel(i); freechannel(i); chanid = i; break; }
|
||
|
if(chanid < 0) return -1;
|
||
|
|
||
|
soundchannel &chan = newchannel(chanid, &slot, loc, ent, flags, radius);
|
||
|
updatechannel(chan);
|
||
|
int playing = -1;
|
||
|
if(fade)
|
||
|
{
|
||
|
Mix_Volume(chanid, chan.volume);
|
||
|
playing = expire >= 0 ? Mix_FadeInChannelTimed(chanid, slot.sample->chunk, loops, fade, expire) : Mix_FadeInChannel(chanid, slot.sample->chunk, loops, fade);
|
||
|
}
|
||
|
else playing = expire >= 0 ? Mix_PlayChannelTimed(chanid, slot.sample->chunk, loops, expire) : Mix_PlayChannel(chanid, slot.sample->chunk, loops);
|
||
|
if(playing >= 0) syncchannel(chan);
|
||
|
else freechannel(chanid);
|
||
|
return playing;
|
||
|
}
|
||
|
|
||
|
void stopsounds()
|
||
|
{
|
||
|
loopv(channels) if(channels[i].inuse)
|
||
|
{
|
||
|
Mix_HaltChannel(i);
|
||
|
freechannel(i);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
bool stopsound(int n, int chanid, int fade)
|
||
|
{
|
||
|
if(!gamesounds.configs.inrange(n) || !channels.inrange(chanid) || !gamesounds.playing(channels[chanid], gamesounds.configs[n])) return false;
|
||
|
if(dbgsound) conoutf("stopsound: %s%s", gamesounds.dir, channels[chanid].slot->sample->name);
|
||
|
if(!fade || !Mix_FadeOutChannel(chanid, fade))
|
||
|
{
|
||
|
Mix_HaltChannel(chanid);
|
||
|
freechannel(chanid);
|
||
|
}
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
int playsoundname(const char *s, const vec *loc, int vol, int flags, int loops, int fade, int chanid, int radius, int expire)
|
||
|
{
|
||
|
if(!vol) vol = 100;
|
||
|
int id = gamesounds.findsound(s, vol);
|
||
|
if(id < 0) id = gamesounds.addsound(s, vol);
|
||
|
return playsound(id, loc, NULL, flags, loops, fade, chanid, radius, expire);
|
||
|
}
|
||
|
|
||
|
ICOMMAND(playsound, "i", (int *n), playsound(*n));
|
||
|
|
||
|
void resetsound()
|
||
|
{
|
||
|
clearchanges(CHANGE_SOUND);
|
||
|
if(!nosound)
|
||
|
{
|
||
|
gamesounds.cleanupsamples();
|
||
|
mapsounds.cleanupsamples();
|
||
|
if(music)
|
||
|
{
|
||
|
Mix_HaltMusic();
|
||
|
Mix_FreeMusic(music);
|
||
|
}
|
||
|
if(musicstream) musicstream->seek(0, SEEK_SET);
|
||
|
Mix_CloseAudio();
|
||
|
}
|
||
|
initsound();
|
||
|
resetchannels();
|
||
|
if(nosound)
|
||
|
{
|
||
|
DELETEA(musicfile);
|
||
|
DELETEA(musicdonecmd);
|
||
|
music = NULL;
|
||
|
gamesounds.cleanupsamples();
|
||
|
mapsounds.cleanupsamples();
|
||
|
return;
|
||
|
}
|
||
|
if(music && loadmusic(musicfile))
|
||
|
{
|
||
|
Mix_PlayMusic(music, musicdonecmd ? 0 : -1);
|
||
|
Mix_VolumeMusic((musicvol*MIX_MAX_VOLUME)/255);
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
DELETEA(musicfile);
|
||
|
DELETEA(musicdonecmd);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
COMMAND(resetsound, "");
|
||
|
|
||
|
#ifdef WIN32
|
||
|
|
||
|
#include <wchar.h>
|
||
|
|
||
|
#else
|
||
|
|
||
|
#include <unistd.h>
|
||
|
|
||
|
#ifdef _POSIX_SHARED_MEMORY_OBJECTS
|
||
|
#include <sys/types.h>
|
||
|
#include <sys/stat.h>
|
||
|
#include <sys/mman.h>
|
||
|
#include <fcntl.h>
|
||
|
#include <wchar.h>
|
||
|
#endif
|
||
|
|
||
|
#endif
|
||
|
|
||
|
#if defined(WIN32) || defined(_POSIX_SHARED_MEMORY_OBJECTS)
|
||
|
struct MumbleInfo
|
||
|
{
|
||
|
int version, timestamp;
|
||
|
vec pos, front, top;
|
||
|
wchar_t name[256];
|
||
|
};
|
||
|
#endif
|
||
|
|
||
|
#ifdef WIN32
|
||
|
static HANDLE mumblelink = NULL;
|
||
|
static MumbleInfo *mumbleinfo = NULL;
|
||
|
#define VALID_MUMBLELINK (mumblelink && mumbleinfo)
|
||
|
#elif defined(_POSIX_SHARED_MEMORY_OBJECTS)
|
||
|
static int mumblelink = -1;
|
||
|
static MumbleInfo *mumbleinfo = (MumbleInfo *)-1;
|
||
|
#define VALID_MUMBLELINK (mumblelink >= 0 && mumbleinfo != (MumbleInfo *)-1)
|
||
|
#endif
|
||
|
|
||
|
#ifdef VALID_MUMBLELINK
|
||
|
VARFP(mumble, 0, 1, 1, { if(mumble) initmumble(); else closemumble(); });
|
||
|
#else
|
||
|
VARFP(mumble, 0, 0, 1, { if(mumble) initmumble(); else closemumble(); });
|
||
|
#endif
|
||
|
|
||
|
void initmumble()
|
||
|
{
|
||
|
if(!mumble) return;
|
||
|
#ifdef VALID_MUMBLELINK
|
||
|
if(VALID_MUMBLELINK) return;
|
||
|
|
||
|
#ifdef WIN32
|
||
|
mumblelink = OpenFileMapping(FILE_MAP_ALL_ACCESS, FALSE, "MumbleLink");
|
||
|
if(mumblelink)
|
||
|
{
|
||
|
mumbleinfo = (MumbleInfo *)MapViewOfFile(mumblelink, FILE_MAP_ALL_ACCESS, 0, 0, sizeof(MumbleInfo));
|
||
|
if(mumbleinfo) wcsncpy(mumbleinfo->name, L"Tesseract", 256);
|
||
|
}
|
||
|
#elif defined(_POSIX_SHARED_MEMORY_OBJECTS)
|
||
|
defformatstring(shmname, "/MumbleLink.%d", getuid());
|
||
|
mumblelink = shm_open(shmname, O_RDWR, 0);
|
||
|
if(mumblelink >= 0)
|
||
|
{
|
||
|
mumbleinfo = (MumbleInfo *)mmap(NULL, sizeof(MumbleInfo), PROT_READ|PROT_WRITE, MAP_SHARED, mumblelink, 0);
|
||
|
if(mumbleinfo != (MumbleInfo *)-1) wcsncpy(mumbleinfo->name, L"Tesseract", 256);
|
||
|
}
|
||
|
#endif
|
||
|
if(!VALID_MUMBLELINK) closemumble();
|
||
|
#else
|
||
|
conoutf(CON_ERROR, "Mumble positional audio is not available on this platform.");
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
void closemumble()
|
||
|
{
|
||
|
#ifdef WIN32
|
||
|
if(mumbleinfo) { UnmapViewOfFile(mumbleinfo); mumbleinfo = NULL; }
|
||
|
if(mumblelink) { CloseHandle(mumblelink); mumblelink = NULL; }
|
||
|
#elif defined(_POSIX_SHARED_MEMORY_OBJECTS)
|
||
|
if(mumbleinfo != (MumbleInfo *)-1) { munmap(mumbleinfo, sizeof(MumbleInfo)); mumbleinfo = (MumbleInfo *)-1; }
|
||
|
if(mumblelink >= 0) { close(mumblelink); mumblelink = -1; }
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
static inline vec mumblevec(const vec &v, bool pos = false)
|
||
|
{
|
||
|
// change from X left, Z up, Y forward to X right, Y up, Z forward
|
||
|
// 8 cube units = 1 meter
|
||
|
vec m(-v.x, v.z, v.y);
|
||
|
if(pos) m.div(8);
|
||
|
return m;
|
||
|
}
|
||
|
|
||
|
void updatemumble()
|
||
|
{
|
||
|
#ifdef VALID_MUMBLELINK
|
||
|
if(!VALID_MUMBLELINK) return;
|
||
|
|
||
|
static int timestamp = 0;
|
||
|
|
||
|
mumbleinfo->version = 1;
|
||
|
mumbleinfo->timestamp = ++timestamp;
|
||
|
|
||
|
mumbleinfo->pos = mumblevec(player->o, true);
|
||
|
mumbleinfo->front = mumblevec(vec(player->yaw*RAD, player->pitch*RAD));
|
||
|
mumbleinfo->top = mumblevec(vec(player->yaw*RAD, (player->pitch+90)*RAD));
|
||
|
#endif
|
||
|
}
|
||
|
|