package org.opentrafficsim.draw.road;
   
   import java.awt.Color;
   import java.awt.Graphics2D;
   import java.awt.image.ImageObserver;
   import java.io.Serializable;
   import java.rmi.RemoteException;
   
   import javax.media.j3d.Bounds;
  import javax.naming.NamingException;
  
  import org.opentrafficsim.core.geometry.OTSLine3D;
  import org.opentrafficsim.draw.core.ClonableRenderable2DInterface;
  import org.opentrafficsim.draw.core.PaintLine;
  import org.opentrafficsim.draw.core.PaintPolygons;
  import org.opentrafficsim.draw.core.TextAlignment;
  import org.opentrafficsim.draw.core.TextAnimation;
  import org.opentrafficsim.road.network.lane.Lane;
  
  import nl.tudelft.simulation.dsol.animation.Locatable;
  import nl.tudelft.simulation.dsol.animation.D2.Renderable2D;
  import nl.tudelft.simulation.dsol.simulators.SimulatorInterface;
  import nl.tudelft.simulation.dsol.simulators.SimulatorInterface.TimeDoubleUnit;
  import nl.tudelft.simulation.language.d2.Angle;
  import nl.tudelft.simulation.language.d3.DirectedPoint;
  
  /**
   * <p>
   * Copyright (c) 2013-2020 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
   * BSD-style license. See <a href="http://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
   * <p>
   * $LastChangedDate: 2015-09-14 01:33:02 +0200 (Mon, 14 Sep 2015) $, @version $Revision: 1401 $, by $Author: averbraeck $,
   * initial version Oct 17, 2014 <br>
   * @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
   */
  public class LaneAnimation extends Renderable2D<Lane> implements ClonableRenderable2DInterface<Lane>, Serializable
  {
      /** */
      private static final long serialVersionUID = 20141017L;
  
      /** Color of the lane. */
      private final Color color;
  
      /** the Text object to destroy when the animation is destroyed. */
      private final Text text;
  
      /**
       * Animate a Lane.
       * @param lane Lane; the lane
       * @param simulator SimulatorInterface.TimeDoubleUnit; the simulator
       * @param color Color; Color of the lane.
       * @throws NamingException in case of registration failure of the animation
       * @throws RemoteException on communication failure
       */
      public LaneAnimation(final Lane lane, final SimulatorInterface.TimeDoubleUnit simulator, final Color color)
              throws NamingException, RemoteException
      {
          super(lane, simulator);
          this.color = color;
          this.text = new Text(lane, lane.getParentLink().getId() + "." + lane.getId(), 0.0f, 0.0f, TextAlignment.CENTER,
                  Color.BLACK, simulator);
          new CenterLineAnimation(new CenterLine(lane.getCenterLine()), simulator);
      }
  
      /**
       * @return text.
       */
      public final Text getText()
      {
          return this.text;
      }
  
      /** {@inheritDoc} */
      @Override
      public final void paint(final Graphics2D graphics, final ImageObserver observer)
      {
          Lane lane = getSource();
          if (this.color != null)
          {
              PaintPolygons.paintMultiPolygon(graphics, this.color, lane.getLocation(), lane.getContour(), true);
          }
      }
  
      /** {@inheritDoc} */
      @Override
      public final void destroy() throws NamingException, RemoteException
      {
          super.destroy();
          this.text.destroy();
      }
  
      /** {@inheritDoc} */
      @Override
      @SuppressWarnings("checkstyle:designforextension")
      public ClonableRenderable2DInterface<Lane> clone(final Lane newSource, final SimulatorInterface.TimeDoubleUnit newSimulator)
              throws NamingException, RemoteException
      {
          // the constructor also constructs the corresponding Text object
          return new LaneAnimation(newSource, newSimulator, this.color);
     }
 
     /** {@inheritDoc} */
     @Override
     public final String toString()
     {
         return "LaneAnimation [lane = " + getSource().toString() + ", color=" + this.color + "]";
     }
 
     /**
      * Draw center line of a lane.
      */
     public static class CenterLine implements Locatable
     {
         /** The center line. */
         private final OTSLine3D centerLine;
 
         /**
          * Construct a new CenterLine.
          * @param centerLine OTSLine3D; the center line of a lane
          */
         CenterLine(final OTSLine3D centerLine)
         {
             this.centerLine = centerLine;
         }
 
         @Override
         public final DirectedPoint getLocation() throws RemoteException
         {
             DirectedPoint dp = this.centerLine.getLocation();
             return new DirectedPoint(dp.x, dp.y, dp.z + 0.1);
         }
 
         @Override
         public final Bounds getBounds() throws RemoteException
         {
             return this.centerLine.getBounds();
         }
 
         /**
          * Retrieve the center line.
          * @return OTSLine3D; the center line
          */
         public OTSLine3D getCenterLine()
         {
             return centerLine;
         }
 
     }
 
     /**
      * Animation for center line of a lane.
      */
     public static class CenterLineAnimation extends Renderable2D<CenterLine>
             implements ClonableRenderable2DInterface<CenterLine>, Serializable
     {
         /** Drawing color for the center line. */
         private static final Color COLOR = Color.MAGENTA.darker().darker();
 
         /**  */
         private static final long serialVersionUID = 20180426L;
 
         /**
          * Construct a new CenterLineAnimation.
          * @param centerLine CemterLine; the center line of a lane
          * @param simulator SimulatorInterface.TimeDoubleUnit; the simulator
          * @throws NamingException when the name of this object is not unique
          * @throws RemoteException when communication with a remote process fails
          */
         public CenterLineAnimation(final CenterLine centerLine, final SimulatorInterface.TimeDoubleUnit simulator)
                 throws NamingException, RemoteException
         {
             super(centerLine, simulator);
         }
 
         @Override
         public final ClonableRenderable2DInterface<CenterLine> clone(final CenterLine newSource,
                 final TimeDoubleUnit newSimulator) throws NamingException, RemoteException
         {
             // TODO Auto-generated method stub
             return null;
         }
 
         @Override
         public final void paint(final Graphics2D graphics, final ImageObserver observer) throws RemoteException
         {
             PaintLine.paintLine(graphics, COLOR, 0.1, getSource().getLocation(), ((CenterLine) getSource()).getCenterLine());
         }
 
     }
 
     /**
      * Text animation for the Node. Separate class to be able to turn it on and off...
      * <p>
      * Copyright (c) 2013-2020 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved.
      * <br>
      * BSD-style license. See <a href="http://opentrafficsim.org/docs/current/license.html">OpenTrafficSim License</a>.
      * </p>
      * $LastChangedDate: 2015-07-24 02:58:59 +0200 (Fri, 24 Jul 2015) $, @version $Revision: 1147 $, by $Author: averbraeck $,
      * initial version Dec 11, 2016 <br>
      * @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
      * @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
      * @author <a href="http://www.transport.citg.tudelft.nl">Wouter Schakel</a>
      */
     public class Text extends TextAnimation
     {
         /** */
         private static final long serialVersionUID = 20161211L;
 
         /**
          * @param source Locatable; the object for which the text is displayed
          * @param text String; the text to display
          * @param dx float; the horizontal movement of the text, in meters
          * @param dy float; the vertical movement of the text, in meters
          * @param textPlacement TextAlignment; where to place the text
          * @param color Color; the color of the text
          * @param simulator SimulatorInterface.TimeDoubleUnit; the simulator
          * @throws NamingException when animation context cannot be created or retrieved
          * @throws RemoteException - when remote context cannot be found
          */
         public Text(final Locatable source, final String text, final float dx, final float dy,
                 final TextAlignment textPlacement, final Color color, final SimulatorInterface.TimeDoubleUnit simulator)
                 throws RemoteException, NamingException
         {
             super(source, text, dx, dy, textPlacement, color, simulator, TextAnimation.RENDERALWAYS);
         }
 
         /** {@inheritDoc} */
         @Override
         @SuppressWarnings("checkstyle:designforextension")
         public DirectedPoint getLocation() throws RemoteException
         {
             // draw always on top.
             DirectedPoint p = ((Lane) getSource()).getCenterLine().getLocationFractionExtended(0.5);
             double a = Angle.normalizePi(p.getRotZ());
             if (a > Math.PI / 2.0 || a < -0.99 * Math.PI / 2.0)
             {
                 a += Math.PI;
             }
             return new DirectedPoint(p.x, p.y, Double.MAX_VALUE, 0.0, 0.0, a);
         }
 
         /** {@inheritDoc} */
         @Override
         @SuppressWarnings("checkstyle:designforextension")
         public TextAnimation clone(final Locatable newSource, final SimulatorInterface.TimeDoubleUnit newSimulator)
                 throws RemoteException, NamingException
         {
             return new Text(newSource, getText(), getDx(), getDy(), getTextAlignment(), getColor(), newSimulator);
         }
 
         /** {@inheritDoc} */
         @Override
         public final String toString()
         {
             return "Text []";
         }
 
     }
 
 }