// GilaMonster Class
// GilaMonster.java

// Imports
import java.awt.*;
import java.applet.Applet;
import java.util.*;

public class GilaMonster extends DirectionalSprite {
  // Action flag to add baby spider (extended sprite action flags, must be > 2)
  public static final int SA_ADDSPIDERLING = 4;
  public static Image[][] image;
  protected static Random rand = new Random(
    System.currentTimeMillis());

  public GilaMonster(Component comp) {
    super(comp, image, 0, 1, 4, new Point(comp.size().width -
      image[2][0].getWidth(comp), 45), new Point(1, 0), 50,
      Sprite.BA_WRAP, 6);
  }

  public GilaMonster(Component comp, Point pos) {
    super(comp, image, 0, 1, 4, pos, new Point(1, 0), 90,
      Sprite.BA_WRAP, 2);
  }
 
  public static void initResources(Applet app, MediaTracker tracker,
    int id) {
    /** Initialize gila monster images.*/
    image = new Image[8][2];
    for (int i = 0; i < 8; i++) {
      for (int j = 0; j < 2; j++) {
        image[i][j] = app.getImage(app.getCodeBase(),
          "Res/GilaMo" + i + j + ".gif");
        tracker.addImage(image[i][j], id);
      }
    }
  }

  public BitSet update() {
    /** This updates the gila monster.*/
    // Call parent's update()
    BitSet action = super.update();
    /** This sets the flag to add a new spider at random time intervals*/
    if (rand.nextInt() % 20 == 0) {
      action.set(Sprite.SA_ADDSPRITE);
      action.set(GilaMonster.SA_ADDSPIDERLING);
    }
    return action;
  }

  protected Sprite addSprite(BitSet action) {
    /** Give birth to a new spider?*/
    if (action.get(GilaMonster.SA_ADDSPIDERLING)) {
      WarMan.badcount += 1;
      return new Spiderling(component, new Point(position.x,
        position.y));
    }
    return null;
  }

  protected void setCollision() {
    collision = new Rectangle(position.x + 3, position.y + 3,
      position.width - 6, position.height - 6);
  }
}