Android Open Source - Avoidance Pitobstacle Collision Handler

From Project

Back to project page Avoidance.

License

The source code is released under:

GNU General Public License

If you think the Android project Avoidance listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

/* 
 * Copyright (c) 2012 Jakob Svensson/*from   ww  w  . j  a v a  2s.c  o m*/
 * 
 * This file is part of Avoidance.
 * 
 * Avoidance 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 3 of the License, or
 * (at your option) any later version.
 *
 * Avoidance 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 Avoidance.  If not, see <http://www.gnu.org/licenses/>. 
 *  
 */

package se.chalmers.avoidance.core.collisionhandlers;

import se.chalmers.avoidance.constants.GameConstants;
import se.chalmers.avoidance.core.components.Jump;
import se.chalmers.avoidance.core.components.Score;

import com.artemis.ComponentMapper;
import com.artemis.Entity;
import com.artemis.World;
import com.artemis.managers.GroupManager;
import com.artemis.managers.TagManager;

/**
 * Handles collision between player and pitobstacles.
 * 
 * @author Jakob Svensson
 * 
 */
public class PitobstacleCollisionHandler implements CollisionHandler {

  private World world;
  private ComponentMapper<Score> scoreMapper;

  /**
   * Construct a new PitobstacleCollisionHandler.
   * 
   * @param world
   */
  public PitobstacleCollisionHandler(World world) {
    this.world = world;
    scoreMapper = world.getMapper(Score.class);
  }

  /**
   * Handles collision between moving entities and pitobstcales.
   * 
   * @param movingEntity
   *            the moving entity
   * @param obstacle
   *            the pitobstacle
   */
  public void handleCollision(Entity movingEntity, Entity obstacle) {
    GroupManager groupManager = world.getManager(GroupManager.class);
    if (groupManager.getEntities(GameConstants.GROUP_PLAYER).contains(
        movingEntity)
        && groupManager.getEntities(GameConstants.GROUP_OBSTACLE_PITS)
            .contains(obstacle)) {
      // Handle collison between pitobstacle and player
      ComponentMapper<Jump> jumpMapper = world.getMapper(Jump.class);
      Jump jump = jumpMapper.get(movingEntity);
      if (jump == null || !jump.isInTheAir()) {
        GameOverNotifier.getInstance().gameOver();
      }

    }
    if (groupManager.getEntities(GameConstants.GROUP_ENEMIES).contains(
        movingEntity)
        && groupManager.getEntities(GameConstants.GROUP_OBSTACLE_PITS)
            .contains(obstacle)) {
      world.deleteEntity(movingEntity);
      Score score = scoreMapper.get(world.getManager(TagManager.class)
          .getEntity(GameConstants.TAG_SCORE));
      score.addKillScore(Score.KILL_SCORE);
    }
  }

}

Java Source Code List