/*
 Pilotix : a multiplayer piloting game.
 Copyright (C) 2003 Pilotix.Org

 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
 as published by the Free Software Foundation; either version 2
 of the License, or (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

package org.pilotix.client.j3d;

import javax.media.j3d.Appearance;
import javax.media.j3d.ColoringAttributes;
import javax.media.j3d.GeometryArray;
import javax.media.j3d.ImageComponent2D;
import javax.media.j3d.LineArray;
import javax.media.j3d.QuadArray;
import javax.media.j3d.Shape3D;
import javax.media.j3d.Texture;
import javax.media.j3d.Texture2D;
import javax.media.j3d.Transform3D;
import javax.media.j3d.TransformGroup;
import javax.vecmath.Color3f;
import javax.vecmath.Point3f;
import javax.vecmath.TexCoord2f;
import javax.vecmath.Vector3f;

import org.pilotix.client.Environment;
import org.pilotix.common.ResourceLocator;

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

/**
 * <p>
 * Cette classe regroupe les objets Java3D qui constituent visuellement l'aire
 * de jeu.
 * </p>
 */
public class J3DArea extends J3DObject {

	/**
	 * affiche l'aire de jeu.
	 */
	public J3DArea(float aXMax, float aYMax) {
		// Le sol
		Shape3D areaGroundShape3D = new Shape3D();

		// La geometrie du sol
		QuadArray quadArray = new QuadArray(4, GeometryArray.COORDINATES | GeometryArray.TEXTURE_COORDINATE_2 | GeometryArray.COLOR_3);
		Point3f tmpPoint3f = new Point3f();
		tmpPoint3f.set(0.0f, 0.0f, -1.0f);
		quadArray.setCoordinate(0, tmpPoint3f);
		tmpPoint3f.set(aXMax, 0.0f, -1.0f);
		quadArray.setCoordinate(1, tmpPoint3f);
		tmpPoint3f.set(aXMax, aYMax, -1.0f);
		quadArray.setCoordinate(2, tmpPoint3f);
		tmpPoint3f.set(0.0f, aYMax, -1.0f);
		quadArray.setCoordinate(3, tmpPoint3f);

		int nbPoints = 8;
		TexCoord2f tmpTexCoord2f = new TexCoord2f();
		tmpTexCoord2f.set(0.0f, 0.0f);
		quadArray.setTextureCoordinate(0, 0, tmpTexCoord2f);
		tmpTexCoord2f.set(nbPoints + 1, 0.0f);
		quadArray.setTextureCoordinate(0, 1, tmpTexCoord2f);
		tmpTexCoord2f.set(nbPoints + 1, (nbPoints + 1) * aYMax / aXMax);
		quadArray.setTextureCoordinate(0, 2, tmpTexCoord2f);
		tmpTexCoord2f.set(0.0f, (nbPoints + 1) * aYMax / aXMax);
		quadArray.setTextureCoordinate(0, 3, tmpTexCoord2f);
		areaGroundShape3D.setGeometry(quadArray);

		quadArray.setColor(0, new Color3f(0.8f, 0.67f, 0.47f));
		quadArray.setColor(1, new Color3f(0.8f, 0.67f, 0.47f));
		quadArray.setColor(2, new Color3f(0.8f, 0.67f, 0.47f));
		quadArray.setColor(3, new Color3f(0.8f, 0.67f, 0.47f));

		// La texture du sol
		// java.net.URL url =
		// this.getClass().getClassLoader().getResource("textures/grnd.jpg");
		java.net.URL url = Environment.theRL.getResource(ResourceLocator.TEXTURE, "grnd.jpg");
		// javax.swing.JOptionPane.showMessageDialog(Environment.theGUI,"url="+url);
		TextureLoader loader = new TextureLoader(url, Environment.theGUI);
		ImageComponent2D image = loader.getImage();
		Texture2D texture = new Texture2D(Texture.BASE_LEVEL, Texture.RGB, image.getWidth(), image.getHeight());
		texture.setBoundaryModeS(Texture.WRAP);
		texture.setBoundaryModeT(Texture.WRAP);
		texture.setImage(0, image);

		Appearance groundAppearance = new Appearance();
		// groundAppearance.setTexture(texture);
		areaGroundShape3D.setAppearance(groundAppearance);

		this.addChild(areaGroundShape3D);

		// Le bord du terrain
		Shape3D borderShape3D = new Shape3D();
		LineArray borderLineArray = new LineArray(8, LineArray.COORDINATES);

		borderLineArray.setCoordinate(0, new Point3f(0.0f, 0.0f, 0.0f));
		borderLineArray.setCoordinate(1, new Point3f(0.0f, aYMax, 0.0f));

		borderLineArray.setCoordinate(2, new Point3f(0.0f, aYMax, 0.0f));
		borderLineArray.setCoordinate(3, new Point3f(aXMax, aYMax, 0.0f));

		borderLineArray.setCoordinate(4, new Point3f(aXMax, aYMax, 0.0f));
		borderLineArray.setCoordinate(5, new Point3f(aXMax, 0.0f, 0.0f));

		borderLineArray.setCoordinate(6, new Point3f(aXMax, 0.0f, 0.0f));
		borderLineArray.setCoordinate(7, new Point3f(0.0f, 0.0f, 0.0f));

		borderShape3D.setGeometry(borderLineArray);

		Appearance borderAppearance = new Appearance();
		ColoringAttributes borderColoringAttributes = new ColoringAttributes(new Color3f(1.0f, 1.0f, 0.0f), ColoringAttributes.FASTEST);
		borderAppearance.setColoringAttributes(borderColoringAttributes);
		borderShape3D.setAppearance(borderAppearance);
		this.addChild(borderShape3D);

		// Un ensemble de points regulierement espaces
		float incrementX = aXMax / (nbPoints + 1);
		float incrementY = incrementX * aYMax / aXMax;
		// PointArray aPointArray = new PointArray(nbPoints*nbPoints,PointArray.COORDINATES);
		int k = 0;
		for (float i = 1; i <= nbPoints; i++) {
			for (float j = 1; j <= nbPoints; j++) {
				// aPointArray.setCoordinate(k,new Point3f(i*incrementX,j*incrementY, 0.0f));

				TransformGroup tgSphere = new TransformGroup();
				Transform3D t3dSphere = new Transform3D();
				t3dSphere.setTranslation(new Vector3f(i * incrementX, j * incrementY, 0.0f));
				tgSphere.setTransform(t3dSphere);
				com.sun.j3d.utils.geometry.Sphere aSphere = new com.sun.j3d.utils.geometry.Sphere(5.0f);
				tgSphere.addChild(aSphere);
				this.addChild(tgSphere);

				k++;
			}
		}

		/*
		 * pointsShape3D.setGeometry(aPointArray);
		 * 
		 * Appearance pointsAppearance = new Appearance(); ColoringAttributes
		 * pointsColoringAttributes = new ColoringAttributes( new Color3f(1.0f,
		 * 1.0f, 1.0f), ColoringAttributes.FASTEST);
		 * pointsAppearance.setColoringAttributes(pointsColoringAttributes);
		 * 
		 * pointsShape3D.setAppearance(pointsAppearance);
		 * this.addChild(pointsShape3D);
		 */

		// Une lumiere d'ambiance

		javax.media.j3d.BoundingSphere areaLightBounds = new javax.media.j3d.BoundingSphere(new javax.vecmath.Point3d((double) aXMax / 2, (double) aYMax / 2, 0.0d), (double) java.lang.Math.max(aXMax, aYMax) / 2);
		javax.media.j3d.AmbientLight areaLight = new javax.media.j3d.AmbientLight(new Color3f(0.0f, 1.0f, 0.0f));
		areaLight.setInfluencingBounds(areaLightBounds);
		this.addChild(areaLight);

		this.compile();
	}

}