game.h

Go to the documentation of this file.

#ifndef INCLUDE_STATE_H
#define INCLUDE_STATE_H
 
#include <SDL3/SDL_events.h>
#include <SDL3/SDL_render.h>
#include <cstdint>
#include <memory>
#include <optional>
#include <random>
#include <vector>
#include "common/agent.h"
#include "game/math/interfaces.h"
#include "game/render.h"
 
namespace game {
 
    class Game {
        enum class State : std::uint8_t {
            Playing,
            WinTransition,
        };
 
        bool quit = false;
 
        std::unique_ptr<common::IAgent<std::vector<double>, int>> agent;
        std::mt19937 rng;
 
        SDL_Renderer* renderer;
        SDL_Texture* canvas_texture;
 
        std::optional<std::unique_ptr<math::IEquation>> current_equation = std::nullopt;
        std::vector<std::unique_ptr<math::IEquation>> solved_equations;
        bool mouse_down = false;
        float last_mouse_x = 0;
        float last_mouse_y = 0;
        std::optional<int> current_guess = std::nullopt;
 
        State state = State::WinTransition;
        double wait_delay = 0.0;
 
        void transition();
 
        void process_drawing();
 
    public:
        explicit Game(SDL_Renderer* renderer,
                      std::unique_ptr<common::IDigitAgent> agent,
                      std::mt19937 rng);
 
        ~Game();
 
        [[nodiscard]] auto should_quit() const -> bool;
 
        void handle_event(const SDL_Event& event);
 
        void update(double delta);
 
        void clear_canvas() const;
 
        void render(const ResourceManager& resources) const;
    };
 
}  // namespace game
 
#endif