#region Using directives

using System;
using System.Collections.Generic;
using System.Text;

using System.Drawing;
using System.Windows.Forms;

using Microsoft.DirectX;
using Microsoft.DirectX.Direct3D;

#endregion

namespace D3DTest
{
	public class GameForm : Form
	{
		Device device;
		VertexBuffer vb;

		public GameForm()
		{
			Text = "Sijmen's Direct3D test!";
			FormBorderStyle = FormBorderStyle.FixedDialog;
			MaximizeBox = false;
			ClientSize = new Size(800, 600);
			BackgroundImage = new Bitmap("../loading.png");
			Show();
		}

		public void Initialize()
		{
			PresentParameters pp = new PresentParameters();
			pp.Windowed = true;
			pp.SwapEffect = SwapEffect.Discard;

			device = new Device(0, DeviceType.Hardware, this, 
				CreateFlags.SoftwareVertexProcessing, pp);
			vb = new VertexBuffer(typeof(CustomVertex.TransformedColored), 3, device, 0,
				CustomVertex.TransformedColored.Format, Pool.Default);
			
			GraphicsStream strm = vb.Lock(0, 0, 0);
			CustomVertex.TransformedColored[] verts = new CustomVertex.TransformedColored[3];

			verts[0].X = 150; 
			verts[0].Y = 50; 
			verts[0].Z = 0.5f; 
			verts[0].Rhw = 1;
			verts[0].Color = Color.Aqua.ToArgb();

			verts[1].X = 250; 
			verts[1].Y = 250; 
			verts[1].Z = 0.5f;
			verts[1].Rhw = 1;
			verts[1].Color = Color.Brown.ToArgb();

			verts[2].X = 50;
			verts[2].Y = 250;
			verts[2].Z = 0.5f;
			verts[2].Rhw = 1;
			verts[2].Color = Color.LightPink.ToArgb();

			vb.Unlock();

			BackColor = Color.Black;
			BackgroundImage = null;
		}

		public void Render()
		{
			if(device==null)
				return;

			device.Clear(ClearFlags.Target, Color.Gray, 1.0f, 0);
			device.BeginScene();

			device.SetStreamSource(0, vb, 0);
			device.VertexFormat = CustomVertex.TransformedColored.Format;
			device.DrawPrimitives(PrimitiveType.TriangleList, 0, 1);

			device.EndScene();
			device.Present();
		}

		public void DoFrame()
		{
			Render();
		}

		public void Run()
		{
			while(Created)
			{
				DoFrame();
				Application.DoEvents();
			}
		}

		public void Finish()
		{
			vb.Dispose();
			device.Dispose();
		}
	}

	public class Program
	{
		public static void Main()
		{
			GameForm game = new GameForm();

			game.Initialize();
			game.Run();
			game.Finish();
		}
	}
}