#include <SFML/Graphics.hpp>

#include <vector>

int main()
{
    sf::RenderWindow Window(sf::VideoMode(1024, 768, 32), "");
    Window.setFramerateLimit(60);

    const float gravity = 9.8;
    const int mapW = 7;
    const int mapH = 4;
    const sf::Vector2f mapStartingPos(100, 300);

    bool touchingBottom = false;
    bool touchingLeft = false;
    bool touchingRight = false;

    sf::Clock frametime;

    std::vector<sf::RectangleShape> shapes;

    const int map[mapH][mapW] =
    {
        { 1, 1, 1, 1, 0, 0, 0 },
        { 1, 1, 1, 1, 1, 1, 1 },
        { 1, 1, 1, 1, 1, 1, 1 },
        { 1, 1, 1, 1, 1, 1, 1 },
    };

    for (int i = 0; i < mapW; i++)
    {
        for (int x = 0; x < mapH; x++)
        {
            if (map[x][i] == 1)
            {
                sf::RectangleShape temp(sf::Vector2f(75, 75));
                temp.setFillColor(sf::Color::Green);
                temp.setPosition(i * 75 + mapStartingPos.x, x * 75 + mapStartingPos.y);
                shapes.push_back(temp);
            }
        }
    }

    sf::RectangleShape player(sf::Vector2f(50, 50));
    player.setFillColor(sf::Color::Blue);
    player.setOrigin(25, 25);
    player.setPosition(200, 100);

    sf::Vector2f speed(0, 0);



    while (Window.isOpen())
    {
        float dt = frametime.restart().asSeconds();

        sf::Event event;
        while (Window.pollEvent(event))
        {
            if (event.type == sf::Event::Closed)
                Window.close();
        }

        for (auto it = shapes.begin(); it != shapes.end(); it++)
        {
            if (player.getGlobalBounds().intersects(it->getGlobalBounds()))
            {
                if (player.getPosition().y + player.getOrigin().y >= it->getPosition().y)
                {
                    player.setPosition(player.getPosition().x, it->getPosition().y - player.getOrigin().y);
                    touchingBottom = true;
                }

                if (player.getPosition().x - player.getOrigin().x <= it->getPosition().x + it->getGlobalBounds().width  &&
                    player.getPosition().y + player.getOrigin().y > it->getPosition().y)
                {
                    player.setPosition(it->getPosition().x + it->getGlobalBounds().width + player.getOrigin().x, player.getPosition().y);
                    touchingLeft = true;
                }


                break;
            }
            else
            {
                touchingBottom = false;
                touchingRight = false;
                touchingLeft = false;
            }

        }

        if (!touchingBottom)
            speed.y += gravity;
        else
            speed.y = 0;

        if (sf::Keyboard::isKeyPressed(sf::Keyboard::A) && !touchingLeft)
            speed.x = -200;
        if (sf::Keyboard::isKeyPressed(sf::Keyboard::D))
            speed.x = 200;

        player.setPosition(player.getPosition().x + (speed.x * dt ) , player.getPosition().y + (speed.y * dt));

        speed.x = 0;

        Window.clear(sf::Color::Black);

        for (auto it = shapes.begin(); it != shapes.end(); it++)
        {
            Window.draw(*it);
        }

        Window.draw(player);

        Window.display();
    }
}