content: /*
   * OBJMaterial.java 10 f�vr. 2009
   *
   * Sweet Home 3D, Copyright (c) 2009 Emmanuel PUYBARET / eTeks <info@eteks.com>
   *
   * 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 com.eteks.sweethome3d.plugin.exporthass;
  
  import javax.media.j3d.Material;
  import javax.media.j3d.NodeComponent;
  
  /**
   * A material with additional parameters useful for raytracing rendering. 
   * @author Emmanuel Puybaret
   */
  public class OBJMaterial extends Material {
    private Float   opticalDensity;
    private Integer illuminationModel;
    private Float   sharpness;
  
    /**
     * Sets the optical density of this material.
     */
    public void setOpticalDensity(float opticalDensity) {
      this.opticalDensity = opticalDensity;
    }
    
    /**
     * Returns the optical density of this material.
     * @throws IllegalStateException if optical density wasn't set.
     */
    public float getOpticalDensity() {
      if (this.opticalDensity != null) {
        return this.opticalDensity;
      } else {
        throw new IllegalStateException("Optical density not set");
      }
    }
    
    /**
     * Returns <code>true</code> if optical density was set on this material.
     */
    public boolean isOpticalDensitySet() {
      return this.opticalDensity != null;
    }
  
    /**
     * Sets the illumination model of this material.
     */
    public void setIlluminationModel(int illuminationModel) {
      this.illuminationModel = illuminationModel;
    }
    
    /**
     * Returns the illumination model of this material as defined in MTL format.
     * @throws IllegalStateException if illumination model wasn't set.
     */
    public int getIlluminationModel() {
      if (this.illuminationModel != null) {
        return this.illuminationModel;
      } else {
        throw new IllegalStateException("Illumination model not set");
      }
    }
    
    /**
     * Returns <code>true</code> if illumination model was set on this material.
     */
    public boolean isIlluminationModelSet() {
      return this.illuminationModel != null;
    }
    
    /**
     * Sets the sharpness of this material.
     */
    public void setSharpness(float sharpness) {
      this.sharpness = sharpness;
    }
    
    /**
     * Returns the sharpness of this material.
     * @throws IllegalStateException if sharpness wasn't set.
     */
    public float getSharpness() {
      if (this.sharpness != null) {
        return this.sharpness;
      } else {
        throw new IllegalStateException("Sharpness not set");
      }
    }
    
    /**
     * Returns <code>true</code> if sharpness was set on this material.
     */
    public boolean isSharpnessSet() {
      return this.sharpness != null;
    }
  
    /**
     * Returns a clone of this material.
     */
    @Override
    public NodeComponent cloneNodeComponent(boolean forceDuplicate) {
      OBJMaterial material = new OBJMaterial();
      material.duplicateNodeComponent(this, forceDuplicate);
      material.opticalDensity = this.opticalDensity;
      material.illuminationModel = this.illuminationModel;
      material.sharpness = this.sharpness;
      return material;
    }
  }
  