/*******************************************************************************
 * Copyright (c) 2007- VTT Technical Research Centre of Finland.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     VTT Technical Research Centre of Finland - initial API and implementation
 *******************************************************************************/
package org.simantics.proconf.g3d.shapes;

import java.net.URL;

import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.Path;

import com.jme.image.Texture;
import com.jme.renderer.ColorRGBA;
import com.jme.renderer.Renderer;
import com.jme.scene.Geometry;
import com.jme.scene.TriMesh;
import com.jme.scene.state.MaterialState;
import com.jme.scene.state.TextureState;
import com.jme.util.TextureManager;
import com.jme.util.geom.BufferUtils;

public class FloorShape {
	
	private static String textureLocation = "src/jmetest/data/texture/Detail.jpg";

	public static Geometry getShape(Renderer renderer, float size, float texScale) {

		float coords[] = new float[3 * 4];
		float normals[] = new float[3 * 4];
		float texcoords[] = new float[2 * 4];
		int indices[] = new int[] { 0, 2, 1, 1, 2, 3 };
		coords[0] = -size;
		coords[1] = 0.f;
		coords[2] = -size;
		coords[3] = size;
		coords[4] = 0.f;
		coords[5] = -size;
		coords[6] = -size;
		coords[7] = 0.f;
		coords[8] = size;
		coords[9] = size;
		coords[10] = 0.f;
		coords[11] = size;
		texcoords[0] = -size*texScale;
		texcoords[1] = -size*texScale;
		texcoords[2] = size*texScale;
		texcoords[3] = -size*texScale;
		texcoords[4] = -size*texScale;
		texcoords[5] = size*texScale;
		texcoords[6] = size*texScale;
		texcoords[7] = size*texScale;
		normals[0] = 0.f;
		normals[1] = 1.f;
		normals[2] = 0.f;
		normals[3] = 0.f;
		normals[4] = 1.f;
		normals[5] = 0.f;
		normals[6] = 0.f;
		normals[7] = 1.0f;
		normals[8] = 0.f;
		normals[9] = 0.f;
		normals[10] = 1.f;
		normals[11] = 0.f;
      
        TriMesh shape = new TriMesh("",BufferUtils.createFloatBuffer(coords),BufferUtils.createFloatBuffer(normals),null,BufferUtils.createFloatBuffer(texcoords),BufferUtils.createIntBuffer(indices));
        MaterialState ms = renderer.createMaterialState();
        ms.setEmissive(new ColorRGBA(0.5f,0.5f,0.5f,0.f));
        ms.setDiffuse(new ColorRGBA(1.f,1.f,1.f,0.f));
        ms.setShininess(128.f);
        shape.setRenderState(ms);
        shape.setCullMode(Geometry.CULL_NEVER);

        TextureState ts = renderer.createTextureState();
        URL url = FileLocator.find(com.jme.eclipse.Activator.getDefault().getBundle(),new Path(textureLocation),null);
        Texture tex = TextureManager.loadTexture(url, Texture.MM_LINEAR_LINEAR,
                Texture.FM_LINEAR);
        tex.setWrap(Texture.WM_WRAP_S_WRAP_T);
        ts.setTexture(tex);
        shape.setRenderState(ts);
        shape.lockShadows();
        return shape;
       
    }

}