#include <Gosu.hpp>
#include <AutoLink.hpp>

#include <scoped_ptr.hpp>
#include <shared_ptr.hpp>
#include <lexical_cast.hpp>

#include <cmath>
#include <cstdlib>
#include <list>
#include <vector>
class Player
{
    boost::scoped_ptr<Gosu::Image> image;
    double posX, posY, velX, velY, angle;

public:
    explicit Player(Gosu::Graphics& graphics)
    {
        std::wstring filename = Gosu::sharedResourcePrefix() + L"player.png";
        image.reset(new Gosu::Image(graphics, filename));
        posX = posY = velX = velY = angle = 0;
    }

    void warp(double x, double y)
    {
        posX = x;
        posY = y;
    }
	
	
	void up()
	{
        velY += Gosu::offsetY(angle, 0.5);
	}

    void down()
    {
        velY -= Gosu::offsetY(angle, 0.5);
    }

    void move()
    {
        posX += velX;
        while (posX < 0)
            posX += 640;
        while (posX > 640)
            posX -= 640;

        posY += velY;
        while (posY < 0)
            posY += 480;
        while (posY > 480)
            posY -= 480;

        velX *= 0.95;
        velY *= 0.95;
    }

    void draw() const
    {
        image->drawRot(posX, posY, 1, angle);
    }
};
class GameWindow : public Gosu::Window
{
    boost::scoped_ptr<Gosu::Image> backgroundImage;
    Player player;

public:
    GameWindow()
    : Window(640, 480, false), player(graphics())
    {
        setCaption(L"Ping Pang Pow");
        std::wstring filename = Gosu::sharedResourcePrefix() + L"main.png";
        backgroundImage.reset(new Gosu::Image(graphics(), filename, false));

        player.warp(100, 240);
    }

    void update()
    {
        if (input().down(Gosu::kbUp) || input().down(Gosu::gpButton0))
			player.up();
		if (input().down(Gosu::kbDown) || input().down(Gosu::gpButton1))
			player.down();
        player.move();
    }

    void draw()
    {
        player.draw();
        backgroundImage->draw(0, 0, 0);
    }
        
    void buttonDown(Gosu::Button btn)
    {
        if (btn == Gosu::kbEscape)
           close();
    }
};
int main(int argc, char* argv[])
{
    GameWindow window;
    window.show();
}