#include <iostream>
#include "IrrLib.h"
#include <irrlicht.h>

using namespace std;

using namespace irr;
using namespace core;
using namespace scene;
using namespace video;
using namespace io;
using namespace gui;

int main(){
	IrrLib Irrlicht(5, 640, 480, 16, false, true, false);
    bool draw = false;
    std::string cap;
    dimension2d<s32> res;
    position2d<s32> mxy;
    position2d<s32> lastmxy;
    res = Irrlicht.GetScreenSize();
    cap = "Height in pixels: " + Irrlicht.int_to_string(res.Height) + " Width in pixels: " + Irrlicht.int_to_string(res.Width);
    Irrlicht.SetWindowCaption(Irrlicht.stdstring_to_stringw(cap));
	while (Irrlicht.DeviceIsRunning())
	if (Irrlicht.IsActiveWindow())
	{
            Irrlicht.BeginScene(Irrlicht.Color.RED);
            if (Irrlicht.IrrEvent.mouseStates[0])
            {
                Irrlicht.IrrEvent.mouseStates[0] = false;
                if (draw == false){
                    lastmxy.Y = Irrlicht.IrrEvent.getMouseY();
                    lastmxy.X = Irrlicht.IrrEvent.getMouseX();
                    draw = true;
                }
                else
                    draw = false;
            }
            if (draw)
            {
                mxy.Y = Irrlicht.IrrEvent.getMouseY();
                mxy.X = Irrlicht.IrrEvent.getMouseX();
                if (mxy != lastmxy){
                    Irrlicht.Irr2DLib.AddLines(lastmxy, mxy, Irrlicht.Color.GREEN);
                    lastmxy = mxy;
                }
            }
            Irrlicht.Irr2DLib.DrawLines();
			Irrlicht.DrawAll();
			Irrlicht.EndScene();
	}
	Irrlicht.EndIrrlicht();
	return 0;
}