238 lines
5.3 KiB
C++
238 lines
5.3 KiB
C++
#include "main.h"
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#include <string.h>
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#include <stdio.h>
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#include <functional>
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#include "audio.h"
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#define SOUND_FADENONE 0
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#define SOUND_FADEIN 1
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#define SOUND_FADEOUT 2
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struct soundlist {
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Sound *sound;
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soundlist *next;
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};
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soundlist *allsounds = NULL;
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Sound *current_music = NULL;
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Sound::Sound(Sound *source) {
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memcpy(this, source, sizeof(Sound));
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soundlist *node = new soundlist;
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node->sound = this;
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node->next = allsounds;
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allsounds = node;
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}
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Sound::Sound(char *filename) {
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load(filename, SOUNDTYPE_AUTODETECT, false);
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// printf("%s: %p, %p, %p, %p\n", filename, this, stream, sample, module);
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}
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Sound::Sound(char *filename, int type) { load(filename, type, false); }
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Sound::Sound(char *filename, bool loops) {
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load(filename, SOUNDTYPE_AUTODETECT, loops);
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// printf("%s: %p, %p, %p, %p\n", filename, this, stream, sample, module);
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}
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Sound::Sound(char *filename, int type, bool loops) {
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load(filename, type, loops);
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}
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bool endsWith(char *str1, char *str2) {
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char *str3 = str1 + strlen(str1) - strlen(str2);
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#ifdef WIN32
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if (stricmp(str3, str2))
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return false;
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#else
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if (strcasecmp(str3, str2))
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return false;
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#endif
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else
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return true;
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}
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void Sound::load(char *filename, int type, bool loops) {
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this->filename = filename;
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if (type == SOUNDTYPE_AUTODETECT) {
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if (endsWith(filename, "mp3") || endsWith(filename, "ogg"))
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type = SOUNDTYPE_STREAM;
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if (endsWith(filename, "wav") || endsWith(filename, "raw"))
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type = SOUNDTYPE_SAMPLE;
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}
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this->chunk = NULL;
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this->music = NULL;
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if (type == SOUNDTYPE_SAMPLE) {
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this->chunk = Mix_LoadWAV(filename);
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if (this->chunk) {
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} else {
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printf("Error while loading sample %s: %s\n", filename, Mix_GetError());
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}
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} else if (type == SOUNDTYPE_STREAM) {
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this->music = Mix_LoadMUS(filename);
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if (!this->music) {
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printf("Error while loading music %s: %s\n", filename, Mix_GetError());
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}
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}
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this->loops = loops;
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stopcallback = NULL;
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soundlist *node = new soundlist;
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node->sound = this;
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node->next = allsounds;
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allsounds = node;
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minduration = 0;
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setVolume(1.0);
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}
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bool Sound::play() {
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// printf("Playing %s: %p, %p, %p, %p\n", filename, this, stream, sample,
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// module);
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if (minduration > 0)
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return false;
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running = true;
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finished = false;
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fademode = SOUND_FADENONE;
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minduration = 0;
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if (chunk) {
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channel = -1;
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/*channel = FSOUND_PlaySound(FSOUND_FREE, sample);
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FSOUND_SetVolume(channel, (int)(volume * 256));
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if (!loops) {
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running = false;
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finished = false;
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}*/
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} else if (music) {
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if (Mix_PlayMusic(music, loops)) {
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printf("Failed to play music\n");
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} else {
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current_music = this;
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}
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Mix_VolumeMusic((int)(volume * MIX_MAX_VOLUME));
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}
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// printf("Done: %f\n", volume);
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return true;
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}
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void Sound::play(int minduration) {
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if (play())
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this->minduration = minduration;
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}
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void Sound::stop() {
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if (chunk && channel >= 0) {
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Mix_HaltChannel(channel);
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} else if (music && current_music == this) {
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// FIXME only if it is THIS music playing
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Mix_HaltMusic();
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}
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}
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void Sound::setVolume(float volume) {
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if (chunk && channel >= 0) {
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Mix_Volume(channel, (int)(volume * MIX_MAX_VOLUME));
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} else if (music && current_music == this) {
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Mix_VolumeMusic((int)(volume * MIX_MAX_VOLUME));
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}
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this->volume = volume;
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}
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void streamendcallback(Sound* sound) {
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sound->setFinished();
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}
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void Sound::setStopCallback(STOPCALLBACK callback) {
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stopcallback = callback;
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if (chunk && channel >= 0) {
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// NOT SUPPORTED
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} else if (music) {
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//Mix_HookMusicFinished(std::bind(callback, this));
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}
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}
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void Sound::setFinished(void) { finished = true; }
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bool Sound::isFinished(void) {
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#ifdef AUDIO_FMOD
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if (type == SOUNDTYPE_MODULE) {
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if (FMUSIC_IsFinished(module))
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return true;
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} else if (type == SOUNDTYPE_SAMPLE) {
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// NOT SUPPORTED
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} else if (type == SOUNDTYPE_STREAM) {
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if (finished)
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return true;
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}
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#endif
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return false;
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}
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void Sound::update(void) {
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if (running) {
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if (isFinished()) {
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running = false;
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if (stopcallback != NULL)
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stopcallback(this);
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} else {
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if (fademode == SOUND_FADEIN) {
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if (fadepos < fadetarget) {
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fadepos++;
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setVolume((float)fadepos / fadetarget);
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} else
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fademode = SOUND_FADENONE;
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}
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if (fademode == SOUND_FADEOUT) {
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if (fadepos < fadetarget) {
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fadepos++;
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setVolume(1.0 - (float)fadepos / fadetarget);
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} else {
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fademode = SOUND_FADENONE;
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stop();
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}
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}
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}
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}
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if (minduration > 0)
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minduration--;
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}
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void Sound::fadeIn(int length) {
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fademode = SOUND_FADEIN;
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fadepos = 0;
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fadetarget = length;
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}
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void Sound::fadeOut(int length) {
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if (fademode == SOUND_FADEIN) {
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float percent = 1.0 - (float)fadepos / fadetarget;
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fadepos = (int)(fadetarget * percent);
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}
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fadepos = 0;
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fadetarget = length;
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fademode = SOUND_FADEOUT;
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}
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void initAudio(void) {
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Mix_Init(MIX_INIT_MP3 | MIX_INIT_OGG);
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Mix_OpenAudio(MIX_DEFAULT_FREQUENCY, MIX_DEFAULT_FORMAT, 2, 1024);
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}
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void uninitAudio(void) {
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Mix_CloseAudio();
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Mix_Quit();
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}
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void updateAudio(void) {
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soundlist *node = allsounds;
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while (node != NULL) {
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Sound *sound = node->sound;
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sound->update();
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node = node->next;
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}
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}
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