package org.opentrafficsim.draw.network;
   
   import java.awt.BasicStroke;
   import java.awt.Color;
   import java.awt.Graphics2D;
   import java.awt.geom.Ellipse2D;
   import java.awt.geom.GeneralPath;
   import java.awt.geom.Path2D;
   import java.awt.image.ImageObserver;
  import java.io.Serializable;
  import java.rmi.RemoteException;
  
  import javax.naming.NamingException;
  
  import org.opentrafficsim.core.dsol.OtsSimulatorInterface;
  import org.opentrafficsim.core.geometry.Bounds;
  import org.opentrafficsim.core.geometry.DirectedPoint;
  import org.opentrafficsim.core.network.Node;
  import org.opentrafficsim.draw.core.TextAlignment;
  import org.opentrafficsim.draw.core.TextAnimation;
  
  import nl.tudelft.simulation.dsol.animation.Locatable;
  import nl.tudelft.simulation.dsol.animation.D2.Renderable2D;
  import nl.tudelft.simulation.dsol.animation.D2.Renderable2DInterface;
  import nl.tudelft.simulation.introspection.DelegateIntrospection;
  import nl.tudelft.simulation.naming.context.Contextualized;
  
  /**
   * <p>
   * Copyright (c) 2013-2023 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
   * BSD-style license. See <a href="https://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
   * </p>
   * @author <a href="https://github.com/averbraeck">Alexander Verbraeck</a>
   */
  @SuppressWarnings("rawtypes")
  public class NodeAnimation extends Renderable2D<NodeAnimation.ElevatedNode>
          implements Renderable2DInterface<NodeAnimation.ElevatedNode>, Serializable
  {
      /** */
      private static final long serialVersionUID = 20140000L;
  
      /** the Text object to destroy when the animation is destroyed. */
      private Text text;
  
      /** Ensure that node animations are slightly above lane surface. */
      public static final double ZOFFSET = 0.01;
  
      /**
       * @param node Node; n
       * @param simulator OtsSimulatorInterface; s
       * @throws NamingException when animation context cannot be found.
       * @throws RemoteException on communication failure
       */
      public NodeAnimation(final Node node, final OtsSimulatorInterface simulator) throws NamingException, RemoteException
      {
          super(new ElevatedNode(node), simulator);
          this.text = new Text(node, node.getId(), 0.0f, 3.0f, TextAlignment.CENTER, Color.BLACK, simulator,
                  TextAnimation.RENDERWHEN10);
      }
  
      /** {@inheritDoc} */
      @Override
      public final void paint(final Graphics2D graphics, final ImageObserver observer)
      {
          graphics.setColor(Color.BLACK);
          graphics.setStroke(new BasicStroke(0.5f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_MITER));
          graphics.draw(new Ellipse2D.Double(-0.5, -0.5, 1.0, 1.0));
          double direction = getSource().getLocation().getZ();
          if (!Double.isNaN(direction))
          {
              GeneralPath arrow = new GeneralPath(Path2D.WIND_EVEN_ODD, 3);
              arrow.moveTo(0.5, -0.5);
              arrow.lineTo(2, 0);
              arrow.lineTo(0.5, 0.5);
              graphics.draw(arrow);
          }
      }
  
      /** {@inheritDoc} */
      @Override
      public void destroy(final Contextualized contextProvider)
      {
          super.destroy(contextProvider);
          this.text.destroy(contextProvider);
      }
  
      /** {@inheritDoc} */
      @Override
      public final String toString()
      {
          return "NodeAnimation [node=" + super.getSource() + "]";
      }
  
      /** Class for elevating the node for animation purposes. */
      public static class ElevatedNode implements Locatable, DelegateIntrospection
      {
          /** the node for introspection. */
          private final Node node;
  
         /** the location of the node to which the animation belongs. */
         private DirectedPoint location;
 
         /** the bounds of the node to which the animation belongs. */
         private Bounds bounds;
 
         /**
          * @param node Node; the node to which the animation belongs
          */
         public ElevatedNode(final Node node)
         {
             this.node = node;
             DirectedPoint p = node.getLocation();
             this.location = new DirectedPoint(p.x, p.y, p.z + ZOFFSET, p.getRotX(), p.getRotY(), p.getRotZ());
             this.bounds = node.getBounds();
         }
 
         /** {@inheritDoc} */
         @Override
         public DirectedPoint getLocation()
         {
             return this.location;
         }
 
         /**
          * @return node
          */
         public Node getNode()
         {
             return this.node;
         }
 
         /** {@inheritDoc} */
         @Override
         public Bounds getBounds() throws RemoteException
         {
             return this.bounds;
         }
 
         /** {@inheritDoc} */
         @Override
         public Object getParentIntrospectionObject()
         {
             return this.node;
         }
 
     }
 
     /**
      * Text animation for the Node. Separate class to be able to turn it on and off...
      * <p>
      * Copyright (c) 2013-2023 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved.
      * <br>
      * BSD-style license. See <a href="https://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
      * </p>
      * @author <a href="https://github.com/averbraeck">Alexander Verbraeck</a>
      * @author <a href="https://tudelft.nl/staff/p.knoppers-1">Peter Knoppers</a>
      * @author <a href="https://dittlab.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 OtsSimulatorInterface; the simulator
          * @param scaleDependentRendering ScaleDependendentRendering; size limiter for text animation
          * @throws NamingException when animation context cannot be created or retrieved
          * @throws RemoteException - when remote context cannot be found
          */
         @SuppressWarnings("checkstyle:parameternumber")
         public Text(final Locatable source, final String text, final float dx, final float dy,
                 final TextAlignment textPlacement, final Color color, final OtsSimulatorInterface simulator,
                 final ScaleDependentRendering scaleDependentRendering) throws RemoteException, NamingException
         {
             super(source, text, dx, dy, textPlacement, color, 2.0f, 12.0f, 50f, simulator, scaleDependentRendering);
             setFlip(false);
             setRotate(false);
         }
 
         /** {@inheritDoc} */
         @Override
         public final String toString()
         {
             return "NodeAnimation.Text []";
         }
     }
 
 }