Method preload

core/audio/AudioEngineImpl.cpp:505–537

}

AudioCache* AudioEngineImpl::preload(std::string_view filePath, std::function<void(bool)> callback)
{
    AudioCache* audioCache = nullptr;

    auto it = _audioCaches.find(filePath);
    if (it == _audioCaches.end())
    {
        audioCache = new AudioCache();  // hlookup_second(it);
        _audioCaches.emplace(filePath, std::unique_ptr<AudioCache>(audioCache));
        audioCache->_fileFullPath = FileUtils::getInstance()->fullPathForFilename(filePath);
        unsigned int cacheId      = audioCache->_id;
        auto isCacheDestroyed     = audioCache->_isDestroyed;
        AudioEngine::addTask([audioCache, cacheId, isCacheDestroyed]() {
            if (*isCacheDestroyed)
            {
                AXLOGV("AudioCache (id={}) was destroyed, no need to launch readDataTask.", cacheId);
                audioCache->setSkipReadDataTask(true);
                return;
            }
            audioCache->readDataTask(cacheId);
        });
    }
    else
    {
        audioCache = it->second.get();
    }

    if (audioCache && callback)
    {
        audioCache->addLoadCallback(callback);
    }
    return audioCache;
}

AUDIO_ID AudioEngineImpl::play2d(std::string_view filePath, bool loop, float volume, float time)
{