我正在使用 SDL 制作游戏,但我的 SoundHandler 类不起作用,我不知道为什么。文件路径绝对正确,并且我已经正确设置了 SDL_Mixer,因为我之前的声音工作正常,我也没有收到错误或警告游戏运行正常,只是没有音乐。
声音处理程序.h:
enum Sounds
{
    BACKGROUND_MUSIC, STICK_COLLECT
};
class SoundHandler
{
    public:
        SoundHandler();
        void PlaySound(Sounds sound);
    private:
        Mix_Music *backMusic;
        Mix_Music *stickCollect;
};
SoundHandler.cpp:
SoundHandler::SoundHandler()
{
    Mix_OpenAudio(22050, MIX_DEFAULT_FORMAT, 2, 4096);
    this->backMusic = Mix_LoadMUS("Data//Music//Background.mp3");
    this->stickCollect = Mix_LoadMUS("Data//Sounds//StickCollect.mp3");
    Mix_VolumeMusic(128);
}
void SoundHandler::PlaySound(Sounds sound)
{
    if(sound == BACKGROUND_MUSIC)
    {
        Mix_PlayMusic(this->backMusic, -1);
    }
    if(sound == STICK_COLLECT)
    {
        Mix_PlayMusic(this->stickCollect, 1);
    }
}
main.cpp 中的相关行:
// Initialise Sound
SoundHandler soundHandler;
// Play Background Music
soundHandler.PlaySound(BACKGROUND_MUSIC);
// Play Sound
soundHandler.PlaySound(STICK_COLLECT);