input_system.h

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#pragma once
 
#include <engine/input/i_input_provider.h>
#include <engine/input/key_code.h>
#include <engine/input/key_state.h>
 
#include <map>
 
class InputSystem : public IInputProvider {
 public:
  [[nodiscard]] bool is_key_held(KeyCode key) const override;
  [[nodiscard]] KeyCode get_pressed_key() const override;
  [[nodiscard]] bool is_key_pressed(KeyCode key) const override;
  [[nodiscard]] bool is_key_released(KeyCode key) const override;
  [[nodiscard]] bool any_key_held() const override;
  [[nodiscard]] bool any_key_pressed() const override;
  [[nodiscard]] bool any_key_released() const override;
 
  [[nodiscard]] bool is_mouse_held(MouseButton button) const override;
  [[nodiscard]] bool is_mouse_pressed(MouseButton button) const override;
  [[nodiscard]] bool is_mouse_released(MouseButton button) const override;
  [[nodiscard]] bool any_mouse_held() const override;
  [[nodiscard]] bool any_mouse_pressed() const override;
  [[nodiscard]] bool any_mouse_released() const override;
 
  [[nodiscard]] const Point& mouse_position() const override;
  [[nodiscard]] std::pair<float, float> mouse_delta() const override;
  [[nodiscard]] bool mouse_moved() const override;
  [[nodiscard]] std::pair<float, float> mouse_scroll() const override;
  [[nodiscard]] std::pair<float, float> mouse_scroll_delta() const override;
  [[nodiscard]] MouseDirection mouse_scroll_direction() const override;
 
  void reset_state() override;
  void register_events() override;
  void update() override;
 
 protected:
  std::map<KeyCode, KeyState> key_states_;
 
  MouseState mouse_state_;
};