module;
#include <memory>

export module Input;

export class KeyBoard
{
    static bool LastKeyStatus[256];
    static bool CurrKeyStatus[256];

public:
    static void OnKeyMsg(char keycode, bool status)
    {
        CurrKeyStatus[keycode] = status;
    }
    static bool GetKey(char keycode)
    {
        return CurrKeyStatus[keycode];
    }
    static bool GetKeyUp(char keycode)
    {
        return LastKeyStatus[keycode] && !CurrKeyStatus[keycode];
    }
    static bool GetKeyDown(char keycode)
    {
        return !LastKeyStatus[keycode] && CurrKeyStatus[keycode];
    }
    static void Flush()
    {
        memcpy(LastKeyStatus, CurrKeyStatus, sizeof(CurrKeyStatus));
    }
};

bool KeyBoard::LastKeyStatus[256]{};
bool KeyBoard::CurrKeyStatus[256]{};