//-----------------------------------------------------------------------------
// File: Main.cs
// Desc: Contains the main entry point for the application, and some other stuff
//-----------------------------------------------------------------------------
using System;
using System.Drawing;
using System.Windows.Forms;
using Microsoft.DirectX;
using Microsoft.DirectX.Direct3D;

namespace Project3
{
    public class frmMain : Form
    {
        // Global variables go here... yes, I know they are bad
        Engine.Engine engine;

        public frmMain()
        {
            //TODO - read the size values in from the settings file

            //set up window properties
            this.ClientSize = new System.Drawing.Size(640, 480);
            this.FormBorderStyle = FormBorderStyle.FixedSingle;
            this.Text = "Project3";
        }

        public bool InitializeEngine()
        {
            //TODO - read in properties from settings file
            engine = new Engine.Engine();
            return engine.Initialize(this, true, 800, 600, 4, false);
        }

        private bool Render()
        {
            return engine.MainLoop();
        }

        protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)
        {
            this.Render(); // Render on painting
        }

        //TODO - add code in here to pass input messages to the engine
        protected override void OnKeyPress(System.Windows.Forms.KeyPressEventArgs e)
        {
            if ((int)(byte)e.KeyChar == (int)System.Windows.Forms.Keys.Escape)
                this.Close(); // Esc was pressed
        }

        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        static void Main()
        {

            using (frmMain frm = new frmMain())
            {
                if (!frm.InitializeEngine()) // Initialize Direct3D
                {
                    MessageBox.Show("Could not initialize the engine.  This program will now exit.");
                    return;
                }
                frm.Show();

                // While the form is still valid, render and process messages
                while (frm.Created)
                {
					if (!frm.Render())
					{
						MessageBox.Show("Error during main loop.  Program will now exit.");
						return;
					}
					Application.DoEvents();
                }
            }
        }
    }
}