Input.h

#ifndef INPUT_HPP
#define INPUT_HPP

#include <windows.h>

class Input {
	private:
		enum KEY_STATE {
			none = 0,
			pressed = 1,
			held = 2
		};

		Input();

		KEY_STATE _asciiKeys[255]{};

	public:
		enum KEYS {
			Backspace = 0x08,
			Tab = 0x09,
			Clear = 0x0C,
			Enter = 0x0D,
			Shift = 0x10,
			Control = 0x11,
			Alt = 0x12,
			Pause = 0x13,
			CapsLock = 0x14,
			Escape = 0x1B,
			Space = 0x20,
			PageUp = 0x21,
			PageDown = 0x22,
			End = 0x23,
			Home = 0x24,
			Left = 0x25,
			Up = 0x26,
			Right = 0x27,
			Down = 0x28,
			Select = 0x29,
			Print = 0x2A,
			Execute = 0x2B,
			PrintScreen = 0x2C,
			Insert = 0x2D,
			Delete = 0x2E,
			Help = 0x2F,
			Zero = 0x30,
			One = 0x31,
			Two = 0x32,
			Three = 0x33,
			Four = 0x34,
			Five = 0x35,
			Six = 0x36,
			Seven = 0x37,
			Eight = 0x38,
			Nine = 0x39,
			A = 0x41,
			B = 0x42,
			C = 0x43,
			D = 0x44,
			E = 0x45,
			F = 0x46,
			G = 0x47,
			H = 0x48,
			I = 0x49,
			J = 0x4A,
			K = 0x4B,
			L = 0x4C,
			M = 0x4D,
			N = 0x4E,
			O = 0x4F,
			P = 0x50,
			Q = 0x51,
			R = 0x52,
			S = 0x53,
			T = 0x54,
			U = 0x55,
			V = 0x56,
			W = 0x57,
			X = 0x58,
			Y = 0x59,
			Z = 0x5A,
			LeftWindowsKey = 0x5B,
			RightWindowsKey = 0x5C,
			ApplicationsKey = 0x5D,
			Sleep = 0x5F,
			NumPad0 = 0x60,
			NumPad1 = 0x61,
			NumPad2 = 0x62,
			NumPad3 = 0x63,
			NumPad4 = 0x64,
			NumPad5 = 0x65,
			NumPad6 = 0x66,
			NumPad7 = 0x67,
			NumPad8 = 0x68,
			NumPad9 = 0x69,
			Multiply = 0x6A,
			Add = 0x6B,
			Seperator = 0x6C,
			Subtract = 0x6D,
			Decimal = 0x6E,
			Divide = 0x6F,
			F1 = 0x70,
			F2 = 0x71,
			F3 = 0x72,
			F4 = 0x73,
			F5 = 0x74,
			F6 = 0x75,
			F7 = 0x76,
			F8 = 0x77,
			F9 = 0x78,
			F10 = 0x79,
			F11 = 0x7A,
			F12 = 0x7B,
			F13 = 0x7C,
			F14 = 0x7D,
			F15 = 0x7E,
			F16 = 0x7F,
			F17 = 0x80,
			F18 = 0x81,
			F19 = 0x82,
			F20 = 0x83,
			F21 = 0x84,
			F22 = 0x85,
			F23 = 0x86,
			F24 = 0x87,
			Numlock = 0x90,
			ScrollLock = 0x91,
			LeftShift = 0xA0,
			RightShift = 0xA1,
			LeftControl = 0xA2,
			RightContol = 0xA3,
			LeftMenu = 0xA4,
			RightMenu = 0xA5,
			BrowserBack = 0xA6,
			BrowserForward = 0xA7,
			BrowserRefresh = 0xA8,
			BrowserStop = 0xA9,
			BrowserSearch = 0xAA,
			BrowserFavorites = 0xAB,
			BrowserHome = 0xAC,
			VolumeMute = 0xAD,
			VolumeDown = 0xAE,
			VolumeUp = 0xAF,
			NextTrack = 0xB0,
			PreviousTrack = 0xB1,
			StopMedia = 0xB2,
			PlayPause = 0xB3,
			LaunchMail = 0xB4,
			SelectMedia = 0xB5,
			LaunchApp1 = 0xB6,
			LaunchApp2 = 0xB7,
			OEM1 = 0xBA,
			OEMPlus = 0xB8,
			OEMComma = 0xBC,
			OEMMinus = 0xBD,
			OEMPeriod = 0xBE,
			OEM2 = 0xBF,
			OEM3 = 0xC0,
			OEM4 = 0xDB,
			OEM5 = 0xDC,
			OEM6 = 0xDD,
			OEM7 = 0xDE,
			OEM8 = 0xDF,
			OEM102 = 0xE2,
			Process = 0xE5,
			Packet = 0xE7,
			Attn = 0xF6,
			CrSel = 0xF7,
			ExSel = 0xF8,
			EraseEOF = 0xF9,
			Play = 0xFA,
			Zoom = 0xFB,
			PA1 = 0xFD,
			OEMClear = 0xFE
		};

		static Input& getInstance();

		bool tryHandleKeyboardMessage(const MSG& keyboardMessage);
		bool isKeyDown(KEYS key);
		bool isKeyHeld(KEYS key);

		Input(const Input&) = delete;
		void operator = (const Input&) = delete;
		~Input();
};

#endif //INPUT_HPP