gameplay_speed_service.h

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#pragma once
 
#include <engine/core/iEngineService.h>
#include <engine/input/input_system.h>
#include <engine/input/key_code.h>
 
class GameplaySpeedService final : public IEngineService {
  struct Config {
    float step = 0.1;  
    float max_speed = 3;  
    float min_speed = 0;  
    float speed = 1;      
 
    float default_speed = 1;  
    KeyCode increase_step_kb =
        KeyCode::page_up;  
    KeyCode decrease_step_kb =
        KeyCode::page_down;  
    KeyCode reset_speed_kb = KeyCode::home;  
  };
  Config config_;
  const IInputProvider& input_provider_;
 
 public:
  explicit GameplaySpeedService(const IInputProvider& input_provider);
  ~GameplaySpeedService() override = default;
 
  void update();
 
  [[nodiscard]] float step() const;
 
  [[nodiscard]] float max_speed() const;
 
  [[nodiscard]] float min_speed() const;
 
  [[nodiscard]] float speed() const;
 
  [[nodiscard]] Config& config();
 
  void set_step(float value);
 
  void increase_speed(float step);
 
  void decrease_speed(float step);
};