Function readScenarioOptions

src/OpenLoco/src/S5/S5.cpp:815–844

0x00442AFC

    // 0x00442AFC
    std::unique_ptr<Scenario::Options> readScenarioOptions(const fs::path& path)
    {
        FileStream stream(path, StreamMode::read);
        SawyerStreamReader fs(stream);
        if (!fs.validateChecksum())
        {
            return nullptr;
        }

        Header s5Header{};

        // Read header
        fs.readChunk(&s5Header, sizeof(s5Header));

        if (s5Header.version != kCurrentVersion)
        {
            return nullptr;
        }

        if (s5Header.type == S5Type::scenario)
        {
            // 0x009DA285 = 1
            // 0x009CCA54 _previewOptions

            auto s5Options = std::make_unique<S5::Options>();
            fs.readChunk(s5Options.get(), sizeof(S5::Options));
            return std::make_unique<Scenario::Options>(importOptions(*s5Options));
        }
        return nullptr;
    }
}