#include <SFML/Window.hpp>
#include <SFML/OpenGL.hpp>
#include <iostream>

#include "chunk.h"

void InitializeGL(){
    glClearDepth(1.0);
    glClearColor(0.6, 0.7, 0.8, 0.0); //COLOR OF SKY

    glEnable(GL_DEPTH_TEST);
    glDepthMask(GL_TRUE);

    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    gluPerspective(90.0, 1.0, 1.0, 300.0);
    glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
}

int main()
{
    sf::Window window(sf::VideoMode(800, 800), "OpenGL", sf::Style::Default, sf::ContextSettings(32,8,4,3,0));
    window.setVerticalSyncEnabled(true);

    window.setActive(true);

    InitializeGL();

    bool running = true;
    while (running)
    {
        sf::Event event;
        while (window.pollEvent(event))
        {
            if (event.type == sf::Event::Closed)
            {
                // end the program
                running = false;
            }
            else if (event.type == sf::Event::Resized)
            {
                glViewport(0, 0, event.size.width, event.size.height);
            }
        }
        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

        glMatrixMode(GL_MODELVIEW);
        glLoadIdentity();

        gluLookAt(5, 3, 6,    0, 0, 0,    0, 1, 0);
        // draw...
        Chunk chunk1(0,0,0);
        chunk1.CreateMesh();

        // end the current frame (internally swaps the front and back buffers)
        window.display();
    }
    return 0;
}