Android Open Source - DivisionByZero Sprite Manager

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From Project

Back to project page DivisionByZero.

License

The source code is released under:

Apache License

Java Source Code

package com.ggstudios.divisionbyzero;
/*w  w  w.j a va  2 s .  c o  m*/
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;

public class SpriteManager extends DrawableCollection<Sprite> {
  private static final int DEFAULT_CAPACITY = 100;
  private int capacity = DEFAULT_CAPACITY;
  
  public void initialize() {
    drawables.clear();
    for(int i = 0; i < capacity; i++) {
      Sprite s = new Sprite();
      drawables.add(s);
    }
  }
  
  public void setCapacity(int capacity){
    if(capacity <= this.capacity) return;
    
    int diff = capacity - this.capacity;
    for(int i = 0; i < diff; i++) {
      Sprite s = new Sprite();
      drawables.add(s);      
    }
  }
  
  public Sprite obtain() {
    if(len == drawables.size()) {
      // if we have exhausted our list of sprites
      // allocate one on the fly and add it
      drawables.add(new Sprite());
    }
    
    Sprite s = drawables.get(len++);
    s.isVisible = false;
    
    return s;
  }

  public void save(DataOutputStream stream) throws IOException {
    stream.writeInt(capacity);
    stream.writeInt(len);
    for(int i = 0; i < len; i++) {
      Sprite s = drawables.get(i);
      s.writeToStream(stream);
    }
  }

  public void load(DataInputStream stream) throws IOException {
    setCapacity(stream.readInt());
    int len = stream.readInt();
    for(int i = 0; i < len; i++) {
      Sprite s = obtain();
      s.loadFromStream(stream);
      Core.game.addEnemy(s);
    }
  }
}

Java Source Code List

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