public class PathFinder extends PathfinderGoal {

    private final EntityCreature entity;
    private double targetX, targetY, targetZ;
    private final double speed = 2D; //???

    public PathFinder(EntityCreature entity) {
    this.entity = entity;
    }

    @Override
    public boolean a() {
    if (isGoodPosition(entity.locX, (int)entity.locY, (int)entity.locZ))
        return false;
    Vec3D target = getTargetLoc();
    if (target == null)
        return false;
    this.targetX = target.a;
    this.targetY = target.b;
    this.targetZ = target.c;
    return true;
    }
    @Override
    public boolean b() {
    return !this.entity.getNavigation().m(); //das Ziel erreicht wurde...?
    }

    @Override
    public void c() {
    this.entity.getNavigation().a(targetX, targetY, targetZ, speed);
    }

    private Vec3D getTargetLoc() {
    Random localRandom = this.entity.bc();
    BlockPosition localBlockPosition1 = new BlockPosition(this.entity.locX, this.entity.locY, this.entity.locZ);
    for (int i = 0; i < 10; i++) {
        BlockPosition bpos2 = localBlockPosition1.a(localRandom.nextInt(20) - 10, localRandom.nextInt(6) - 3, localRandom.nextInt(20) - 10);
//      if ((!this.entity.world.i(localBlockPosition2))) {
        if (isGoodPosition(bpos2.getX(), bpos2.getY(), bpos2.getZ()))
        return new Vec3D(bpos2.getX(), bpos2.getY(), bpos2.getZ());
    }
    return null;
    }
    private boolean isGoodPosition(double x, double y, double z) {

    return x > 588 && x < 607 && y >= 50 && y < 60 && z < -800 && z > - 820;