Input.hpp

#pragma once 
 
#include "util/Vector2.hpp"
#include <map>
#include <string>
 
struct KeyState {
  bool pressed;
  bool held;
  bool released;
};
 
struct MouseClick {
  bool pressed;
  bool held;
  bool released;
  int clicks;
  Vector2 pos;
  std::string mouseButton;
};
 
struct MouseMotion {
  Vector2 pos;
  Vector2 motion;
};
 
struct Input {
 
  static Input &instance();
 
  void PollInputs();
 
  KeyState GetKey(std::string key);
 
  MouseClick GetMouseClick();
 
  MouseMotion GetMouseMotion();
 
  bool ReceivedProgramQuit();
 
private:
    Input();
 
    static Input *mInstance;
 
    std::map<std::string, KeyState> keyStates;
    std::map<std::string, KeyState> prevFrameKeyStates;
    MouseClick clickState{};
    MouseMotion motionState{};
 
    bool programQuit{false};
    bool userQuit{false};
};