// Released to the public domain. Use, modify and relicense at will.

using System;
using System.Drawing;

using OpenTK;
using OpenTK.Graphics;
using OpenTK.Graphics.OpenGL;
using OpenTK.Audio;
using OpenTK.Audio.OpenAL;
using OpenTK.Input;
using Wrak.Objects;
using System.Globalization;
using System.Threading;
using Wrak.Objects.Particles;


namespace Wrak
{
    class Wrak : GameWindow
    {
        public static KeyboardDevice keyboard;
        public static MouseDevice mouse;




        /// <summary>Creates a 800x600 window with the specified title.</summary>
        public Wrak()
            : base(800, 600, GraphicsMode.Default, "Wizualizacja Danych Przestrzennych: Wrak")
        {
            VSync = VSyncMode.On;
            Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture;

        }

        /// <summary>Load resources here.</summary>
        /// <param name="e">Not used.</param>
        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);
            keyboard = Keyboard;
            mouse = Mouse;
            World.Initialize();

            GL.ClearColor(0.0f, 0.0f, 0.0f, 0.0f);
            GL.Enable(EnableCap.DepthTest);

            // LAB 1
            World.Add(new Triangle());

            World.Add(new Spring(new Vector3(1,1,1),1));
            World.Add(new Quad(new Vector3(1, 1, 1)));
            World.Add(new CUbe(new Vector3(0,0,0)));

            // LAB 2
            //for (int i=0; i<10;i++)
         //    World.Add(new PointSet("../../../cleona.txt", new Vector3(10.0f,0,0)));

            //World.Add(new Wykres(new Vector3(1, 1, 1),40,40,1,1));

            //World.Add(new Pole(new Vector3(5, 5, -3), 500, 10, 10, 2, 5));

            //World.Add(new ProgramableTextureQuad(new Vector3(1, 1, 1),"../../shaders/PTQKolo_VS.glsl", "../../shaders/PTQKolo_FS.glsl"));
            //World.Add(new ProgramableTextureQuad(new Vector3(5, 3, 1),"../../shaders/PTQWykres_VS.glsl", "../../shaders/PTQWykres_FS.glsl"));

            //LAB 3
            //World.Add(new Weather());
            //World.Add(new Fire(new Vector3(0, 0, 0), 10, 500));

            //World.Add(new Quad(new Vector3(0, 0, 0), "", "../../shaders/Texture_Nothing_VS.glsl", "../../shaders/Texture_Edge_FS.glsl"));
            //World.Add(new Quad(new Vector3(0, 0, 0), "", "../../shaders/Texture_Nothing_VS.glsl", "../../shaders/Texture_Smooth_FS.glsl"));
            //World.Add(new Quad(new Vector3(0, 0, 0), "", "../../shaders/Texture_Nothing_VS.glsl", "../../shaders/Texture_Random_FS.glsl"));
            //World.Add(new Quad(new Vector3(0, 0, 0), "", "../../shaders/Texture_Nothing_VS.glsl", "../../shaders/Texture_Mand_FS.glsl"));
            //World.Add(new Quad(new Vector3(0, 0, 0), "", "../../shaders/Texture_Nothing_VS.glsl", "../../shaders/Texture_Swirl_FS.glsl"));


        }

        /// <summary>
        /// Called when your window is resized. Set your viewport here. It is also
        /// a good place to set up your projection matrix (which probably changes
        /// along when the aspect ratio of your window).
        /// </summary>
        /// <param name="e">Not used.</param>
        protected override void OnResize(EventArgs e)
        {
            base.OnResize(e);

            GL.Viewport(ClientRectangle.X, ClientRectangle.Y, ClientRectangle.Width, ClientRectangle.Height);

            Matrix4 projection = Matrix4.CreatePerspectiveFieldOfView((float)Math.PI / 4, Width / (float)Height, 1.0f, 256.0f);
            GL.MatrixMode(MatrixMode.Projection);
            GL.LoadMatrix(ref projection);
        }

        /// <summary>
        /// Called when it is time to setup the next frame. Add you game logic here.
        /// </summary>
        /// <param name="e">Contains timing information for framerate independent logic.</param>
        protected override void OnUpdateFrame(FrameEventArgs e)
        {
            base.OnUpdateFrame(e);

            World.Run();

            if (Keyboard[Key.Escape])
                Exit();
        }

        /// <summary>
        /// Called when it is time to render the next frame. Add your rendering code here.
        /// </summary>
        /// <param name="e">Contains timing information.</param>
        protected override void OnRenderFrame(FrameEventArgs e)
        {
            base.OnRenderFrame(e);

            GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);

            World.Draw();

            SwapBuffers();
        }

        /// <summary>
        /// The main entry point for the application.
        /// </summary>
      //  [STAThread]
        static void Main()
        {
            // The 'using' idiom guarantees proper resource cleanup.
            // We request 30 UpdateFrame events per second, and unlimited
            // RenderFrame events (as fast as the computer can handle).
            using (Wrak glw = new Wrak())
            {
                glw.Run(30.0);
            }
        }
    }
}