Input.hpp

#ifndef INPUT_HPP
#define INPUT_HPP
 
#include <SDL2/SDL_keycode.h>
#include <glm/vec2.hpp>
#include <unordered_map>
#include "Scene.hpp"
 
namespace Engine {
 
  typedef SDL_Keycode KeyCode;
  typedef uint8_t MouseCode;
 
  struct Mouse {};
 
  class Input {
  public:
    static bool IsKeyPressed(KeyCode key);
    static bool IsMousePressed(MouseCode button);
 
    static glm::vec2 GetMousePos();
    static float GetMouseX();
    static float GetMouseY();
 
    static Input& Get() {
      static Input s_Instance;
      return s_Instance;
    }
 
    static void UpdateKey(KeyCode key, bool state) {
      keyStates[key] = state;
    }
 
    static void UpdateMouse(MouseCode button, bool state) {
      mouseStates[button] = state;
    }
 
    static void UpdateMousePos(float x, float y);
 
    static void UpdateRelMousePos(float x, float y);
 
    static glm::vec2 GetMouseDelta();
 
    static void Update(const Scene &s);
 
    static void SetMouseLock(bool lock);
 
    static bool IsMouseLocked();
 
  private:
    static std::unordered_map<KeyCode, bool> keyStates;
    static std::unordered_map<MouseCode, bool> mouseStates;
    static Input* s_Instance;
    static glm::vec2 mousePos, mousePosOld;
  };
}
 
#endif