using System;
using System.IO;
using System.Drawing;
using System.Drawing.Imaging;

using OpenTK.Graphics.OpenGL4;
using OpenTK;

using OpenTK.Audio.OpenAL;
using OpenTK.Audio;

using ImageSharp;
using ImageSharp.Processing;

using org.budnhead.graphics;
using org.budnhead.audio;
using org.budnhead.core;

namespace bnhdemo
{
	public static class BootStrap
	{
		static SquaredMap map;

		static Actor trackedActor;
		static GLCamera trackingCamera;

		public static void Main(string[] args){
			Engine.InitializeGraphics();

			Engine.SceneWindows[0].Scene = new Scene();

			loadMap();

			Engine.SceneWindows[0].Visible = true;

			Engine.SceneWindows[0].KeyPress += (sender, e) => {
				switch (e.KeyChar){
					case 'r':
						SceneWindow sw = Engine.createSceneWindow();
						sw.Visible = true;
						sw.Scene = new Scene(Engine.SceneWindows[0].Scene);
						GLCamera cam = new GLCamera();

						cam.Position = new Vector3(800,800,384);
						cam.View = new Vector3(-1,-1,-1);
						cam.Top = Vector3.UnitZ;

						CameraRotator cr = new CameraRotator(cam);

						sw.PrimaryViewport.SceneOrientation = cam;

						trackingCamera = cam;
					break;

					case ' ':
						Console.WriteLine("Fire Ballistic...");
						BallisticActor ba = new BallisticActor(0);
						ba.Position.Value = map.ground(new Vector2(10,10));
						ba.Velocity.Value = new Vector3(1,1,1).Normalized();
						ba.Velocity.Value *= 100.0f;
						ba.fire();

						trackedActor = ba;

					break;
				}
			};

			Engine.AfterUpdate += delegate {
				if ((trackedActor != null)&&(trackingCamera != null)){
					if (trackedActor.IsActive){
						trackingCamera.lookAt(trackedActor.Position.Value);
					} else {
						trackedActor = null;
					}
				}
			}; 

			Engine.run();
		}

		public static void loadMap(){	
			ImageSharp.Image i = ImageSharp.Image.Load( new FileStream("M3-wip.png",FileMode.Open));
			i.Flip(ImageSharp.Processing.FlipType.Vertical);

			map = new SquaredMap(i);

			Engine.SceneWindows[0].Scene.RootObject.addChild(map);

		}

	}
}