turings-tarpit/sfmlbackend.hpp

#pragma once
#include <SFML/System.hpp>
#include <SFML/Graphics/RenderWindow.hpp>
#include <SFML/Graphics/Sprite.hpp>
#include <SFML/Graphics/Font.hpp>
#include <SFML/Audio.hpp>
#include <nlohmann/json.hpp>
#include "game_engine.hpp"
#include <string>

using std::string;

constexpr int FPS=30;
constexpr int X_DIM = 1920 / 2;
constexpr int Y_DIM = 1080 / 2;
constexpr int TEXT_SIZE = 48;
constexpr int Y_LINES = 23;
constexpr int X_ROWS = 48;

class SoundQuip {
public:
  sf::Sound sound;
  sf::SoundBuffer buffer;
  bool initialized;

  SoundQuip() {};

  void load(nlohmann::json &data, const char *file_key, bool loop=false);
  void play();
  void stop();
};

class SFMLBackend {
  sf::ContextSettings settings;
  sf::RenderWindow window;
  sf::Clock clock;
  sf::Clock deltaClock;
  sf::Sprite background;
  sf::Texture texture;
  bool window_active_out = false;
  bool show_build_log = false;
  int hit_points = 50;
  sf::Font font;
  GameEngine &game;
  std::vector<string> log;

public:
  SFMLBackend(GameEngine &g);

  // prevent copy
  SFMLBackend(SFMLBackend &g) = delete;

  void startup();

  bool is_open();
  void shutdown();

  void handle_events();
  void update_entities();
  void update_log(std::vector<string> &lines);

  void write_text(int x, int y, string content, float size_mult=1.0f);

  void Window_update();
};