void ESF::Read(const std::string& filename, Config eoserv_config)
{
    this->data.clear();

    std::FILE *fh = std::fopen(filename.c_str(), "rb");
    eodata_safe_fail_filename = filename.c_str();

    if (!fh)
    {
        Console::Err("Could not load file: %s", filename.c_str());
        std::exit(1);
    }

    SAFE_SEEK(fh, 3, SEEK_SET);
    SAFE_READ(this->rid.data(), sizeof(char), 4, fh);
    SAFE_READ(this->len.data(), sizeof(char), 2, fh);
    int numobj = PacketProcessor::Number(this->len[0], this->len[1]);
    SAFE_SEEK(fh, 1, SEEK_CUR);

    unsigned char namesize, shoutsize;
    std::string name, shout;
    char buf[ESF::DATA_SIZE] = {0};

    this->data.resize(numobj+1);

    std::string csv_filename = eoserv_config["CSVSaveESF"];
    std::FILE* csv_file = eodata_file_open_w(csv_filename);
    bool csv_did_write = false;

    SAFE_READ(static_cast<void *>(&namesize), sizeof(char), 1, fh);
    SAFE_READ(static_cast<void *>(&shoutsize), sizeof(char), 1, fh);
    for (int i = 1; i <= numobj; ++i)
    {
        ESF_Data& newdata = this->data[i];

        namesize = PacketProcessor::Number(namesize);
        name.resize(namesize);
        if (namesize > 0)
        {
            SAFE_READ(&name[0], sizeof(char), namesize, fh);
        }

        shoutsize = PacketProcessor::Number(shoutsize);
        shout.resize(shoutsize);
        if (shoutsize > 0)
        {
            SAFE_READ(&shout[0], sizeof(char), shoutsize, fh);
        }

        SAFE_READ(buf, sizeof(char), ESF::DATA_SIZE, fh);

        newdata.id = i;
        newdata.name = name;
        newdata.shout = shout;

        newdata.icon = PacketProcessor::Number(buf[0], buf[1]);
        newdata.graphic = PacketProcessor::Number(buf[2], buf[3]);
        newdata.tp = PacketProcessor::Number(buf[4], buf[5]);
        newdata.sp = PacketProcessor::Number(buf[6], buf[7]);
        newdata.cast_time = PacketProcessor::Number(buf[8]);

        newdata.type = static_cast<ESF::Type>(PacketProcessor::Number(buf[11]));
        newdata.target_restrict = static_cast<ESF::TargetRestrict>(PacketProcessor::Number(buf[17]));
        newdata.target = static_cast<ESF::Target>(PacketProcessor::Number(buf[18]));

        newdata.mindam = PacketProcessor::Number(buf[23], buf[24]);
        newdata.maxdam = PacketProcessor::Number(buf[25], buf[26]);
        newdata.accuracy = PacketProcessor::Number(buf[27], buf[28]);
        newdata.hp = PacketProcessor::Number(buf[34], buf[35]);

        if (csv_file) {
            if (!csv_did_write) {
                std::fprintf(csv_file, "ID,Name,Channel,\
Type,Target Restrict,Target,\
Cast Time,TP Cost,SP Cost,Heal,Min Dmg,Max Dmg,\
Accuracy");
                csv_did_write = true;
            }
            if (newdata.name != "eof") {
                std::fprintf(csv_file, "\n%i,%s,%s,\
%i,%i,%i,\
%i,%i,%i,%i,%i,%i,\
%i",
                newdata.id, newdata.name.c_str(), newdata.shout.c_str(),
                newdata.type, newdata.target_restrict, newdata.target,
                newdata.cast_time, newdata.tp, newdata.sp, newdata.hp, newdata.mindam, newdata.maxdam,
                newdata.accuracy);
            }
        }

        if (std::fread(static_cast<void *>(&namesize), sizeof(char), 1, fh) != 1)
        {
            break;
        }

        if (std::fread(static_cast<void *>(&shoutsize), sizeof(char), 1, fh) != 1)
        {
            break;
        }
    }

    if (this->data.back().name.compare("eof") == 0)
    {
        this->data.pop_back();
    }

    Console::Out("%i spells loaded.", this->data.size()-1);

    std::fclose(fh);

    if (csv_file) {
        std::fclose(csv_file);
        if (eoserv_config["CSVShowLog"]) {
            Console::Out("Saved ESF CSV data to '%s'.", csv_filename.c_str());
        }
    }
}