Method loadConfigFile

core/base/Configuration.cpp:337–413

load file

// load file
//
void Configuration::loadConfigFile(std::string_view filename)
{
    ValueMap dict = FileUtils::getInstance()->getValueMapFromFile(filename);
    AXASSERT(!dict.empty(), "cannot create dictionary");

    // search for metadata
    bool validMetadata = false;
    auto metadataIter  = dict.find("metadata");
    if (metadataIter != dict.cend() && metadataIter->second.getType() == Value::Type::MAP)
    {

        const auto& metadata = metadataIter->second.asValueMap();
        auto formatIter      = metadata.find("format");

        if (formatIter != metadata.cend())
        {
            int format = formatIter->second.asInt();

            // Support format: 1
            if (format == 1)
            {
                validMetadata = true;
            }
        }
    }

    if (!validMetadata)
    {
        AXLOGW("Invalid config format for file: {}", filename);
        return;
    }

    auto dataIter = dict.find("data");
    if (dataIter == dict.cend() || dataIter->second.getType() != Value::Type::MAP)
    {
        AXLOGW("Expected 'data' dict, but not found. Config file: {}", filename);
        return;
    }

    // Add all keys in the existing dictionary

    const auto& dataMap = dataIter->second.asValueMap();
    for (const auto& dataMapIter : dataMap)
    {
        if (_valueDict.find(dataMapIter.first) == _valueDict.cend())
            _valueDict[dataMapIter.first] = dataMapIter.second;
        else
            AXLOGD("Key already present. Ignoring '{}'", dataMapIter.first);
    }

    // light info
    std::string name = "axmol.3d.max_dir_light_in_shader";
    if (_valueDict.find(name) != _valueDict.end())
        _maxDirLightInShader = _valueDict[name].asInt();
    else
        _valueDict[name] = Value(_maxDirLightInShader);

    name = "axmol.3d.max_point_light_in_shader";