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#include "mixer.h"
void Mixer::playSound(std::string_view filename) {
Mix_Chunk* chunk = getChunkByFilename(std::string(filename));
if (Mix_PlayChannel(-1, chunk, 0) == -1) {
throw mix_error();
}
}
int Mixer::loopSound(std::string_view filename) {
Mix_Chunk* chunk = getChunkByFilename(std::string(filename));
int ret = Mix_PlayChannel(-1, chunk, -1);
if (ret == -1) {
throw mix_error();
}
return ret;
}
void Mixer::stopChannel(int channel) {
Mix_HaltChannel(channel);
}
void Mixer::playMusic(std::string_view name, int ms) {
Mix_Music* song = getMusicByName(name);
int ret;
if (ms == 0) {
ret = Mix_PlayMusic(song, -1);
} else {
ret = Mix_FadeInMusic(song, -1, ms);
}
if (ret == -1) {
throw mix_error();
}
playingTrack_ = name;
}
void Mixer::fadeoutMusic(int ms) {
if (Mix_FadeOutMusic(ms) == 0) {
throw mix_error();
}
playingTrack_ = "";
}
void Mixer::muteMusic() {
Mix_VolumeMusic(0);
musicMuted_ = true;
}
void Mixer::unmuteMusic() {
Mix_VolumeMusic(musicVolume_);
musicMuted_ = false;
}
void Mixer::pauseMusic() {
Mix_PauseMusic();
}
void Mixer::unpauseMusic() {
Mix_ResumeMusic();
}
Mix_Chunk* Mixer::getChunkByFilename(std::string filename) {
if (!sounds_.count(filename)) {
Mix_Chunk* sample = Mix_LoadWAV(filename.c_str());
if (!sample) {
throw mix_error();
}
sounds_[filename] = chunk_ptr(sample);
}
return sounds_[filename].get();
}
Mix_Music* Mixer::getMusicByName(std::string_view name) {
std::string filename = "../res/music/" + std::string(name) + ".wav";
if (!music_.count(filename)) {
Mix_Music* song = Mix_LoadMUS(filename.c_str());
if (!song) {
throw mix_error();
}
music_[filename] = music_ptr(song);
}
return music_[filename].get();
}
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