BabyCow.java

import processing.core.PImage;

import java.util.List;

public class BabyCow extends Cow {
    private static final double BABYCOW_ACTION_ANIMATION_PERIOD = 1.000; // have to be in sync since grows and gains health at same time
    private static final int BABYCOW_HEALTH_LIMIT = 5;

    public BabyCow(String id, Point position, List<PImage> images, double animationPeriod, double actionPeriod, int health, int healthLimit) {
        super(id, position, images, BABYCOW_ACTION_ANIMATION_PERIOD, BABYCOW_ACTION_ANIMATION_PERIOD, 0, BABYCOW_HEALTH_LIMIT);
    }

    public boolean transform(WorldModel world, EventScheduler scheduler, ImageStore imageStore) {
        if (this.getHealth() <= 0) {
            Steak steak = Factory.createSteak(WorldLoader.STEAK_KEY + "_" + this.getId(), this.getPosition(), imageStore.getImageList(WorldLoader.STEAK_KEY));

            world.removeEntity(scheduler, this);

            world.tryAddEntity(steak);

        } else if (this.getHealth() >= (this).getHealthLimit()) {
            GrownCow grownCow = Factory.createGrownCowWithDefaults(WorldLoader.GROWN_COW_KEY + "_" + this.getId(), this.getPosition(), imageStore.getImageList(WorldLoader.GROWN_COW_KEY));

            world.removeEntity(scheduler, this);

            world.tryAddEntity(grownCow);
            grownCow.scheduleActions(scheduler, world, imageStore);

            return true;
        }
        return false;
    }

    @Override
    public void executeActivity(WorldModel world, ImageStore imageStore, EventScheduler scheduler) {
        super.setHealth(super.getHealth() + 1);
        super.executeActivity(world, imageStore, scheduler);

    }

    public void scheduleActions(EventScheduler scheduler, WorldModel world, ImageStore imageStore) {
        scheduler.scheduleEvent(this, Factory.createActivityAction(this, world, imageStore), getActionPeriod());
    }
}