1// Source File: Foxie.java - 🔗 in Footer
2
3public class Foxie extends TamableAnimal {
4  public static final String ID = "foxie";
5    
6  // Dividing AI logic into multiple sub-controllers for 
7  // better readability, maintainablity and architecture
8  public final FoxieAIControl aiControl;
9  public final FoxieMouthControl mouthControl;
10  public final FoxieDataControl dataControl;
11  public final FoxieHungerControl hungerControl;
12  public final FoxieOwnerControl ownerControl;
13  public final FoxieHuntControl huntControl;
14    
15  ... (A lot more entity handling methods)
16    
17  // Reflecting that hunger is more important than obeying.
18  // If the owner doesn't feed his pet, the pet will not obey.
19  public void tick() {
20    super.tick();
21    this.hungerControl.tick();
22    this.ownerControl.tick();
23  }
24}

public final class Pathfinder {
  public static BlockPos getClosestPathWhere(
    @NotNull Mob entity,
    int xzRange,
    int yRange,
    Predicate<BlockPos> predicate
  ) {
  
  ... (many assignments)

  for (var y = cy - yRange; y < cy + yRange; y++)
    for (var x = cx - xzRange; x < cx + xzRange; x++)
      for (var z = cz - xzRange; z < cz + xzRange; z++) {
        var i = new BlockPos(x, y, z);

        if (!navigation.isStableDestination(i)) continue;
        if (!predicate.test(i)) continue;

        var dist_manhattan = current.distManhattan(i);
        if (dist_manhattan > targetRange) continue;
        if (dist_manhattan == Math.floor(targetRange)) {
          var dist_sqrt = current.distToCenterSqr(x, y, z);
          if (dist_sqrt > targetRange) continue;
          targetRange = dist_sqrt;
        }

        var type = evaluator.getBlockPathType(level, x, y, z);
        if (entity.getPathfindingMalus(type) < 0) continue;

        target = i;
      }

    return target;
  }
    
  ... (more pathfinding utils)
}
    
// Example - Search within 25 Blocks (radius) and 5 Blocks height for
//  ... a navigable block where there's enough space and a roof above!
Pathfinder.getClosestPathWhere(mob, 25, 5, x -> !mob.level.canSeeSky(x));

public class FoxieSearchForFoodGoal extends Goal {
    ...
    
    // Checking if the fox is in need for searching for food
    public boolean canUse() {
        if (!this._foxie.aiControl.canSearchForFood()) return false;
        if (!this._foxie.hungerControl.isHungry()) return false;
        var heldItem = this._foxie.mouthControl.getItem();
        if (this._foxie.hungerControl.isEdible(heldItem)) return false;
        if (!this._foxie.getNavigation().isDone()) return false;
        return !this._foxie.huntControl.foundFood();
    }
    
    public void tick() {
        if (this._foxie.getNavigation().isInProgress()) return;
        if (this._foxie.getRandom().nextFloat() > .04F) return;

        var boundary = this._foxie.getBoundingBox().inflate(20, 10, 20);

        this._foxie.huntControl.prey = this.findPrey(boundary);
        if (this._foxie.huntControl.prey != null) return;

        this._foxie.huntControl.berries = this.findBerries(boundary);
        if (this._foxie.huntControl.berries != null) return;

        // TODO: Search for edible items that lie arround to steal them

        var random = Pathfinder.getRandomPositionWithin(this._foxie, 20, 5, 3);
        if (random == null) return;

        this._foxie.runTo(random, 1.0F);
    }
    
    ...
}