Android Open Source - Look World

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License

The source code is released under:

====================== LOOK! LICENSING TERMS ====================== look! is licensed under the BSD 3-Clause (also known as "BSD New" or "BSD Simplified"), as follows: Copyright (c) 2010-2012, Look...

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Java Source Code

/**
*-----------------------------------------------------------------------------
* Copyright (c) 2012, Look! Development Team
* All rights reserved./* w  w  w . j a v  a 2s .  c o  m*/
*
* Distributed under the terms of the BSD Simplified License.
*
* The full license is in the LICENSE file, distributed with this software.
*-----------------------------------------------------------------------------
*/
package es.ucm.look.data;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

import javax.microedition.khronos.opengles.GL10;

import es.ucm.look.ar.math.geom.Point3;

/**
 * The world containing all the data to be represented
 * 
 * @author ??ngel Serrano
 * 
 */
public class World {

  /**
   * World's entities
   */
  private Map<Integer, WorldEntity> entities;

  /**
   * Location for the user
   */
  private Point3 location;

  private static final Integer lock = 1;

  /**
   * Constructs an empty world
   */
  public World() {
    entities = new HashMap<Integer, WorldEntity>();
    location = new Point3(0.0f, 0.0f, 0.0f);
  }

  /**
   * Adds an entity to the world
   * 
   * @param e
   *            the entity to be added
   */
  public void addEntity(WorldEntity e) {
    synchronized (lock) {
      entities.put(e.getId(), e);
    }
  }

  /**
   * Removes an entity to the world
   * 
   * @param id
   *            the entity's id
   */
  public void removeEntity(Integer id) {
    synchronized (lock) {
      entities.remove(id);
    }
  }

  /**
   * Returns the world entities
   * 
   * @return the world entities
   */
  public Collection<WorldEntity> getWorldEntities() {
    return entities.values();
  }

  /**
   * Sets the location for the user in the world
   * 
   * @param location
   *            the location for the user in the world
   */
  public void setLocation(Point3 location) {
    this.location = location;
  }

  /**
   * Returns the user location in the world
   * 
   * @return the user location in the world
   */
  public Point3 getLocation() {
    return location;
  }

  /**
   * Returns the entity for the given id
   * 
   * @param id
   *            the id
   * @return the entity for the given id
   */
  public WorldEntity getWorldEntity(int id) {
    return entities.get(id);
  }

  
  
  /**
   * Remove all the entities of the world
   */
  public void removeAllEntities() {
    synchronized (lock) {
      entities.clear();
    }
  }
  
  
  /**
   * Updates the world animation
   * 
   * @param elapsed
   *            elapsed time
   */
  public void update(long elapsed) {
    for (WorldEntity w : entities.values()) {
      w.update(elapsed);
    }
  }

  public void draw(GL10 gl) {
    gl.glTranslatef(-getLocation().x, -getLocation().y, -getLocation().z);
    synchronized (lock) {
      for (WorldEntity w : getWorldEntities()) {
        if (w.isVisible()) {
          gl.glPushMatrix();
          gl.glTranslatef(w.getLocation().x, w.getLocation().y,
              w.getLocation().z);
          w.draw(gl);
          gl.glPopMatrix();
        }
      }
    }

  }

  

}

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