#pragma once
#include<Windows.h>
#include"../event/Event.h"
#include"DKey.h"
#include<iostream>
class Input
{
public:
	Input();
	~Input();
	void HandelInput(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
	void HandelMouseInput(int p_x, int p_y);
	bool IsKeyDown(dKey p_key);
	void ClearEvents();
	//这个方法有BUG，用不了
	std::pair<int, int>GetMousePosition() { return m_mousePosition; };
private:
	void OnKeyDown(int p_key);
	void OnKeyUp(int p_key);
	void OnMouseButtonDown(int p_mouseButton);
	void OnMouseButtonUp(int p_mouseButton);
	void OnMouseMove(int p_x, int p_y);

public:
	Event<int> KeyDown;
	Event<int> KeyUp;
	Event<int> MouseButtonDown;
	Event<int> MouseButtonUp;
	Event<int, int> MouseMoving;//传position
	Event<int, int> MouseMove;//传delta position

private:
	std::vector<dKey>	downKeys;
	std::pair<int, int> m_mousePosition;
	ListenerID keyDownID;
	ListenerID keyUpID;
	ListenerID mouseButtonDownID;
	ListenerID mouseButtonUpID;
	ListenerID mouseMovingID;
};