cube-game-plus-plus/client/input/Keys.h

#ifndef KEYS_H
#define KEYS_H

#include <iostream>
#include <array>

#include "common/utils/Types.h"

class Keys final
{
public:
    class Key final
    {
    public:
        friend class Keys;

        bool isDown() const;
        bool isReleased() const;
        u32 getDownTime() const;
      
    private:
        Key() = default;
        Key(const Key&) = delete;
        Key(Key&&) = delete;
        Key& operator=(const Key&) = delete;
        Key& operator=(Key&&) = delete;
    
        int glfwKey;
        bool down;
        bool shouldRelease;
        u32 downTime;
    };
    
private:
   Key keys[6];
    
public:
    Keys();
    const Key& left;
    const Key& right;
    const Key& up;
    const Key& down;
    const Key& jump;
    const Key& sneak;
    
    void release(int key);
    void press(int key);
    void tick();
    
private:   
    Keys(const Keys&) = delete;
    Keys& operator=(const Keys&) = delete;
    Keys(Key&&) = delete;
    Keys& operator=(Keys&&) = delete;
};

std::ostream& operator<<(std::ostream& os, const Keys::Key& k);

#endif