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hyperrogue/sound.cpp

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// Hyperbolic Rogue -- sound effects and music
// Copyright (C) 2011-2018 Zeno Rogue, see 'hyper.cpp' for details
/** \file sound.cpp
* \brief sound effects and music
*/
#include "hyper.h"
namespace hr {
#if HDR
void playSound(cell *c, const string& fname, int vol = 100);
void resetmusic();
#endif
#if HDR
/** RogueViz may be used for situations where music does not correspond to lands, so we allow extra IDs */
static constexpr int MUSIC_MAX = 500;
#endif
EX const char *musicfile = "";
EX bool audio;
EX string musiclicense;
EX string musfname[MUSIC_MAX];
EX int musicvolume = 60;
EX int effvolume = 60;
EX bool music_available;
EX int musiclength[MUSIC_MAX];
EX eLand getCurrentLandForMusic() {
eLand id = ((anims::center_music()) && centerover) ? centerover->land : cwt.at->land;
if(isHaunted(id)) id = laHaunted;
if(id == laWarpSea) id = laWarpCoast;
if(id == laMercuryRiver) id = laTerracotta;
return id;
}
EX void playSeenSound(cell *c) {
if(!c->monst) return;
bool nearme = c->cpdist <= 7;
forCellEx(c2, c) if(c2->cpdist <= 7) nearme = true;
if(!nearme) return;
if(among(c->monst, moEagle, moWindCrow, moAcidBird))
playSound(c, "seen-eagle");
else if(c->monst == moEarthElemental)
playSound(c, "seen-earth");
else if(c->monst == moAirElemental)
playSound(c, "seen-air");
else if(c->monst == moPhaser)
playSound(c, "seen-frog1");
else if(c->monst == moFrog)
playSound(c, "seen-frog2");
else if(c->monst == moVaulter)
playSound(c, "seen-frog3");
else if(c->monst == moWaterElemental)
playSound(c, "seen-water");
else if(c->monst == moFireElemental)
playSound(c, "fire");
else if(c->monst == moDragonHead)
playSound(c, "seen-dragon");
else if(c->monst == moWorm)
playSound(c, "seen-sandworm");
else if(c->monst == moSkeleton && c->land != laDungeon)
playSound(c, "seen-skeleton");
else if(c->monst == moHexSnake)
playSound(c, "seen-snake");
else if(c->monst == moWolf || c->monst == moRedFox)
playSound(c, "seen-woof");
else if(isTroll(c->monst))
playSound(c, "seen-troll");
else if(c->monst == moNecromancer)
playSound(c, "seen-necromancer");
else if(c->monst == moGhost)
playSound(c, "seen-ghost");
else if(c->monst == moRoseBeauty)
playSound(c, princessgender() ? "seen-rosebeauty" : "seen-gardener");
else if(c->monst == moVizier)
playSound(c, "seen-vizier");
else if(c->monst == moFireFairy)
playSound(c, "seen-fairy");
else if(c->monst == moCultist)
playSound(c, "seen-cultist");
else if(c->monst == moPyroCultist)
playSound(c, "seen-cultistfire");
else if(c->monst == moCultistLeader)
playSound(c, "seen-cultistleader");
}
#if CAP_SDLAUDIO
bool loaded[MUSIC_MAX];
Mix_Music* music[MUSIC_MAX];
EX int musicpos[MUSIC_MAX];
EX int musstart;
int musfadeval = 2000;
eLand cid = laNone;
EX hookset<bool(eLand&)> hooks_music;
EX hookset<void(eLand&)> hooks_sync_music;
EX bool music_out_of_focus = false;
EX void handlemusic() {
DEBBI(DF_GRAPH, ("handle music"));
if(audio && musicvolume) {
eLand id = getCurrentLandForMusic();
if(callhandlers(false, hooks_music, id)) return;
if(outoffocus && !music_out_of_focus) id = eLand(0);
if(musfname[id] == "LAST") id = cid;
if(!loaded[id] && !memory_issues()) {
loaded[id] = true;
// printf("loading (%d)> %s\n", id, musfname[id].c_str());
// reuse music
if(musfname[id] != "") {
for(int i=0; i<landtypes; i++)
if(music[i] && musfname[i] == musfname[id])
music[id] = music[i];
}
if(!music[id]) {
memory_for_lib();
music[id] = Mix_LoadMUS(musfname[id].c_str());
if(!music[id]) {
printf("Mix_LoadMUS: %s\n", Mix_GetError());
}
}
}
if(cid != id && !musfadeval) {
musicpos[cid] = SDL_GetTicks() - musstart;
musfadeval = musicpos[id] ? 500 : 2000;
Mix_FadeOutMusic(musfadeval);
// printf("fadeout %d, pos %d\n", musfadeval, musicpos[cid]);
}
if(music[id] && !Mix_PlayingMusic()) {
callhooks(hooks_sync_music, id);
cid = id;
Mix_VolumeMusic(musicvolume);
Mix_FadeInMusicPos(music[id], -1, musfadeval, musicpos[id] / 1000.0);
// printf("fadein %d, pos %d\n", musfadeval, musicpos[cid]);
musstart = SDL_GetTicks() - musicpos[id];
musicpos[id] = 0;
musfadeval = 0;
}
}
}
hookset<bool(eLand&)> hooks_resetmusic;
EX void resetmusic() {
if(audio && musicvolume) {
Mix_FadeOutMusic(3000);
cid = laNone;
for(int i=0; i<landtypes; i++) musicpos[i] = 0;
musfadeval = 2000;
}
}
EX bool loadMusicInfo(string dir) {
DEBBI(DF_INIT, ("load music info"));
if(dir == "") return false;
FILE *f = fopen(dir.c_str(), "rt");
if(f) {
string dir2;
for(int i=0; i<isize(dir); i++) if(dir[i] == '/' || dir[i] == '\\')
dir2 = dir.substr(0, i+1);
char buf[1000];
while(fgets(buf, 800, f) != NULL) {
for(int i=0; buf[i]; i++) if(buf[i] == 10 || buf[i] == 13) buf[i] = 0;
if(buf[0] == '[' && buf[3] == ']') {
int id = (buf[1] - '0') * 10 + buf[2] - '0';
if(id >= 0 && id < MUSIC_MAX) {
if(buf[5] == 'L' && buf[6] == '=') musiclength[id] = atoi(buf+7);
else if(buf[5] == '*' && buf[6] == '/') musfname[id] = dir2 + (buf+7);
else musfname[id] = buf+5;
music_available = true;
}
else {
fprintf(stderr, "warning: bad soundtrack id, use the following format:\n");
fprintf(stderr, "[##] */filename\n");
fprintf(stderr, "where ## are two digits, and */ is optional and replaced by path to the music\n");
fprintf(stderr, "alternatively LAST = reuse the last track instead of having a special one");
}
// printf("[%2d] %s\n", id, buf);
}
else if(buf[0] == '#') {
}
else {
musiclicense += buf;
musiclicense += "\n";
}
}
fclose(f);
return true;
}
return false;
}
EX bool loadMusicInfo() {
return
loadMusicInfo(musicfile)
|| loadMusicInfo(HYPERPATH "hyperrogue-music.txt")
|| loadMusicInfo("./hyperrogue-music.txt")
|| loadMusicInfo("music/hyperrogue-music.txt")
// Destination set by ./configure (in the GitHub repository)
#ifdef MUSICDESTDIR
|| loadMusicInfo(MUSICDESTDIR)
#endif
#ifdef FHS
|| loadMusicInfo("/usr/share/hyperrogue/hyperrogue-music.txt")
|| (getenv("HOME") && loadMusicInfo(s0 + getenv("HOME") + "/.hyperrogue-music.txt"))
#endif
;
}
EX void initAudio() {
audio = loadMusicInfo();
if(audio) {
if(Mix_OpenAudio(MIX_DEFAULT_FREQUENCY, MIX_DEFAULT_FORMAT, 2, 2048) != 0) {
fprintf(stderr, "Unable to initialize audio: %s\n", Mix_GetError());
audio = false;
}
else {
audio = true;
Mix_AllocateChannels(16);
}
}
}
map<string, Mix_Chunk*> chunks;
#ifdef SOUNDDESTDIR
string wheresounds = SOUNDDESTDIR;
#else
string wheresounds = HYPERPATH "sounds/";
#endif
hookset<bool(const string& s, int vol)> hooks_sound;
EX void playSound(cell *c, const string& fname, int vol) {
LATE( hr::playSound(c, fname, vol); )
if(effvolume == 0) return;
if(callhandlers(false, hooks_sound, fname, vol)) return;
// printf("Play sound: %s\n", fname.c_str());
if(!chunks.count(fname)) {
string s = wheresounds+fname+".ogg";
if(memory_issues()) return;
memory_for_lib();
chunks[fname] = Mix_LoadWAV(s.c_str());
// printf("Loading, as %p\n", chunks[fname]);
}
Mix_Chunk *chunk = chunks[fname];
if(chunk) {
Mix_VolumeChunk(chunk, effvolume * vol / 100);
Mix_PlayChannel(-1, chunk, 0);
}
}
EX void reuse_music_memory() {
for(int i=0; i<landtypes; i++)
if(music[i] && music[i] != music[cid]) {
Mix_Music *which = music[i];
println(hlog, "freeing music for ", dnameof(eLand(i)));
Mix_FreeMusic(which);
for(int j=0; j<landtypes; j++) if(music[j] == which) {
println(hlog, "... which equals ", dnameof(eLand(j)));
music[j] = NULL;
}
}
set<Mix_Chunk*> currently_played;
for(int ch=0; ch<16; ch++) currently_played.insert(Mix_GetChunk(ch));
set<string> to_free;
for(auto& p: chunks)
if(p.second) {
if(currently_played.count(p.second)) {
println(hlog, p.first, ": currently played");
}
else {
Mix_FreeChunk(p.second);
to_free.insert(p.first);
println(hlog, p.first, ": freed");
}
}
for(auto& s: to_free) chunks.erase(s);
}
#endif
#if CAP_COMMANDLINE
int read_sound_args() {
using namespace arg;
if(argis("-m")) { PHASE(1); shift(); musicfile = argcs(); }
#if CAP_SDLAUDIO
else if(argis("-se")) { PHASE(1); shift(); wheresounds = args(); }
else if(argis("-musicfocus")) { music_out_of_focus = true; }
#endif
else if(argis("-svol")) { PHASEFROM(2); shift(); effvolume = argi(); }
else if(argis("-mvol")) { PHASEFROM(2); shift(); musicvolume = argi(); }
else return 1;
return 0;
}
#if CAP_SDLAUDIO
auto ah_sound = addHook(hooks_args, 0, read_sound_args) + addHook(hooks_clear_cache, 0, reuse_music_memory);
#endif
#endif
#if !CAP_AUDIO
EX void playSound(cell *c, const string& fname, int vol) { }
EX void resetmusic() { }
#endif
}
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