package alice.test.topology.aquarium;

import java.awt.Image;
import java.awt.MediaTracker;
import java.awt.Toolkit;
import java.io.FileNotFoundException;
import java.net.URL;

import javax.media.j3d.Appearance;
import javax.media.j3d.BranchGroup;
import javax.media.j3d.Texture;
import javax.media.j3d.Transform3D;
import javax.media.j3d.TransformGroup;
import javax.vecmath.Matrix4d;

import com.sun.j3d.loaders.IncorrectFormatException;
import com.sun.j3d.loaders.ParsingErrorException;
import com.sun.j3d.loaders.Scene;
import com.sun.j3d.loaders.objectfile.ObjectFile;

import com.sun.j3d.utils.image.TextureLoader;

public class MakeObject {
	
	private Transform3D transform;  
	private TransformGroup transform_group;
	private ViewChange canvas;
	private Matrix4d matrix;
	private double s;

	
	public MakeObject(MakeFrame frame){
		this.canvas = frame.getCanvas();
		this.s = 0.3;
		frame.register(this);
	}
	
	public BranchGroup createBranch(){
		BranchGroup scene = new BranchGroup();
		/*Box box = new Box(0.1f,0.1f,0.0f,
				Box.GENERATE_NORMALS|Box.GENERATE_TEXTURE_COORDS,createAppearance());*/
		ObjectFile obj = new ObjectFile(ObjectFile.RESIZE);
		Scene img = null;
		try{
			URL url=getClass().getClassLoader().getResource("TUNA.obj");
			img = obj.load(url);
		} catch(FileNotFoundException e){
			System.err.println(e);
			System.exit(1);
		} catch(ParsingErrorException e){
			System.err.println(e);
			System.exit(1);
		} catch(IncorrectFormatException e){
			System.err.println(e);
			System.exit(1);
		}
		
		transform_group = new TransformGroup();
		setLocation(-2.0f,-2.0f); //set out of window
		transform_group.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
		transform_group.addChild(img.getSceneGroup());
		scene.addChild(transform_group);
		return scene;		
	}
	
	// no use method
	public Appearance createAppearance(){
		Appearance app = new Appearance();
		Image image = null; 	
		Toolkit toolkit = Toolkit.getDefaultToolkit();
		URL url = getClass().getClassLoader().getResource("fish.jpg");
		image = toolkit.getImage(url);
		MediaTracker mt = new MediaTracker(canvas);
		mt.addImage(image, 0);
		mt.checkAll(true);
		try {
			mt.waitForID(0);
			
		}catch (InterruptedException e){
			e.printStackTrace();
			
		}
		Texture texture = new TextureLoader(image,canvas).getTexture();
		app.setTexture(texture);
		return app;
		
	}
	
	public void setScale(float size){
		s = size;
	}
	
	public void setLocation(float x,float y){
		transform = new Transform3D();
		matrix = new Matrix4d(s,0,0,x,
							  0,s,0,y,
							  0,0,s,0,
							  0,0,0,1);
		transform.set(matrix);
		transform_group.setTransform(transform);
	}
	
	public void setLocation(float x,float y,float z){
		transform = new Transform3D();
		matrix = new Matrix4d(s,0,0,x,
				  			  0,s,0,y,
				  			  0,0,s,z,
				  			  0,0,0,1);
		transform.set(matrix);
		transform_group.setTransform(transform);
	}
	
	
}