Android Open Source - feup-lpoo-android-tower-defense Game Obj

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Back to project page feup-lpoo-android-tower-defense.

License

The source code is released under:

MIT License

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Java Source Code

package pt.up.fe.lpoo.towerdefense;
// w w w  .ja va  2 s  . c  o  m
import java.util.ArrayList;

import pt.up.fe.lpoo.framework.Image;

/**
 * Super class for all drawable game objects other than tiles.
 *  Implements comparable for visibility calculations purposes.
 * @author Joao Marinheiro
 * @author Luis Cleto
 */
public abstract class GameObj implements Comparable<GameObj>{
  /**
   * @return returns the x position of the center of the object in the map
   */
  public abstract int getCenterX();
  /**
   * @return returns the y position of the center of the object in the map
   */
  public abstract int getCenterY();
  
  /**
   * Compares two game objects. A game object is 'smaller' than another if it should be drawn before the other
   *  (deppending on whether any of them is a ground object and their y position)
   */
  @Override
  public int compareTo(GameObj other){
    if ((getCenterY() < other.getCenterY() && !(other.isGroundObject())) || this.isGroundObject())
        {
            return -1;
        }
        if ((getCenterY() > other.getCenterY() && !(this.isGroundObject())) || other.isGroundObject())
        {
            return 1;
        }
        return 0;
  }
  /**
   * @return returns true if the object is part of the ground terrain, false otherwise
   */
  public abstract boolean isGroundObject();
  /**
   * @return returns the object's current image to be drawn
   */
  public abstract Image getCurrentImage();
  /**
   * @return returns any status effects currently affecting the object
   */
  public abstract ArrayList<StatusEffect> getStatusEffects();
  /**
   * @return returns the x position of the upper left corner of the object (for drawing)
   */
  public abstract int getX();
  /**
   * @return returns the y position of the upper left corner of the object (for drawing)
   */
  public abstract int getY();
}

Java Source Code List