BasaltMeter/BasaltPresenter/Presenter/cmd_client.hpp

#pragma once
#include <basalt/char_types.hpp>
#include <basalt/pipe_operator.hpp>
#include <cstdint>

namespace basalt::presenter::cmd_client {

    // Protocol codes
    enum class ProtocolCode : std::uint8_t {
        HANDSHAKE_REQUEST = 0x61,  ///< Trainer -> Presenter
        HANDSHAKE_RESPONSE = 0x62, ///< Presenter -> Trainer
        DATA_READY = 0x01,         ///< Presenter -> Trainer
        DATA_RECEIVED = 0x02,      ///< Trainer -> Presenter
        ACTIVELY_STOP = 0x21,      ///< Presenter-->Trainer
        STOP_REQUEST = 0x71,       ///< Presenter<--Trainer
        STOP_RESPONSE = 0x72,      ///< Presenter-->Trainer
    };

    // Pixel kind values
    enum class PixelKind : std::uint8_t {
        GRAY_FLOAT32 = 0x01, ///< Grayscale represented by one float32
        GRAY_U8 = 0x02,      ///< Grayscale represented by one u8
        RGB_FLOAT32 = 0x03,  ///< RGB represented by three float32
        RGB_U8 = 0x04        ///< RGB represented by three u8
    };

    struct HandshakePayload {
        bool headless;
        PixelKind pixel_kind;
        std::uint32_t width;
        std::uint32_t height;
        shared::char_types::BSString engine_name;
        std::uint32_t engine_device;
        shared::char_types::BSString deliver_name;
        std::uint32_t deliver_device;
        shared::char_types::BSString object_loader_name;
        shared::char_types::BSString object_loader_file;
        shared::char_types::BSString anime_loader_name;
        shared::char_types::BSString anime_loader_file;
    };

    // Status
    enum class CmdClientStatus {
        Ready,
        Running,
        Stop,
    };

    class CmdClient {
    public:
        CmdClient();
        ~CmdClient();

    public:
        // Wait for handshake from Trainer, send response with data properties
        HandshakePayload wait_handshake();
        // Tick function called every frame to send data ready and wait for response
        bool tick(bool actively_stop = false);

    private:
        shared::pipe_operator::PipeOperator m_PipeOperator;
        CmdClientStatus m_Status;
    };

} // namespace basalt::presenter::cmd_client