How to use

cardinality

method

in

com.artemis.utils.BitVector

  @Override
  public String toString() {
    int cardinality = cardinality();
    int end = Math.min(128, cardinality);
    int count = 0;

    StringBuilder sb = new StringBuilder();
    sb.append("BitVector[").append(cardinality);
    if (cardinality > 0) {
      sb.append(": {");
      for (int i = nextSetBit(0); end > count && i != -1; i = nextSetBit(i + 1)) {
        if (count != 0)
          sb.append(", ");

        sb.append(i);
        count++;
      }

      if (cardinality > end)
        sb.append(" ...");

      sb.append("}");
    }
    sb.append("]");
    return sb.toString();
  }
}

  @Override
  public String toString() {
    int cardinality = cardinality();
    int end = Math.min(128, cardinality);
    int count = 0;

    StringBuilder sb = new StringBuilder();
    sb.append("BitVector[").append(cardinality);
    if (cardinality > 0) {
      sb.append(": {");
      for (int i = nextSetBit(0); end > count && i != -1; i = nextSetBit(i + 1)) {
        if (count != 0)
          sb.append(", ");

        sb.append(i);
        count++;
      }

      if (cardinality > end)
        sb.append(" ...");

      sb.append("}");
    }
    sb.append("]");
    return sb.toString();
  }
}

private int prepareBag(IntBag out, int elementsPerEntry) {
  int count = elementsPerEntry * cardinality();
  out.ensureCapacity(count);
  out.setSize(count);
  return count;
}

private int prepareBag(IntBag out, int elementsPerEntry) {
  int count = elementsPerEntry * cardinality();
  out.ensureCapacity(count);
  out.setSize(count);
  return count;
}

/**
 * <p>If all entties have been deleted, resets the entity cache - with next entity
 * entity receiving id <code>0</code>. There mustn't be any active entities in
 * the world for this method to work. This method does nothing if it fails.</p>
 *
 * <p>For the reset to take effect, a new {@link World#process()} must initiate.</p>
 *
 * @return true if entity id was successfully reset.
 *
 */
public boolean reset() {
  int count = world.getAspectSubscriptionManager()
    .get(all())
    .getActiveEntityIds()
    .cardinality();
  if (count > 0)
    return false;
  limbo.clear();
  recycled.clear();
  entities.clear();
  nextId = 0;
  return true;
}

/**
 * <p>If all entties have been deleted, resets the entity cache - with next entity
 * entity receiving id <code>0</code>. There mustn't be any active entities in
 * the world for this method to work. This method does nothing if it fails.</p>
 *
 * <p>For the reset to take effect, a new {@link World#process()} must initiate.</p>
 *
 * @return true if entity id was successfully reset.
 *
 */
public boolean reset() {
  int count = world.getAspectSubscriptionManager()
    .get(all())
    .getActiveEntityIds()
    .cardinality();
  if (count > 0)
    return false;
  limbo.clear();
  recycled.clear();
  entities.clear();
  nextId = 0;
  return true;
}

  int allocateIdentity(BitVector componentBits, ComponentManager cm) {
    Bag<ComponentMapper> mappers =
      new Bag<ComponentMapper>(ComponentMapper.class, componentBits.cardinality());
    ComponentTypeFactory tf = cm.getTypeFactory();
    for (int i = componentBits.nextSetBit(0); i >= 0; i = componentBits.nextSetBit(i + 1)) {
      mappers.add(cm.getMapper(tf.getTypeFor(i).getType()));
    }
    compositionMappers.add(mappers);
    compositionBits.add(new BitVector(componentBits));
    return compositionBits.size() - 1;
  }
}

  int allocateIdentity(BitVector componentBits, ComponentManager cm) {
    Bag<ComponentMapper> mappers =
      new Bag<ComponentMapper>(ComponentMapper.class, componentBits.cardinality());
    ComponentTypeFactory tf = cm.getTypeFactory();
    for (int i = componentBits.nextSetBit(0); i >= 0; i = componentBits.nextSetBit(i + 1)) {
      mappers.add(cm.getMapper(tf.getTypeFor(i).getType()));
    }
    compositionMappers.add(mappers);
    compositionBits.add(new BitVector(componentBits));
    return compositionBits.size() - 1;
  }
}

  int allocateIdentity(BitVector componentBits, ComponentManager cm) {
    Bag<ComponentMapper> mappers =
      new Bag<ComponentMapper>(ComponentMapper.class, componentBits.cardinality());
    ComponentTypeFactory tf = cm.getTypeFactory();
    for (int i = componentBits.nextSetBit(0); i >= 0; i = componentBits.nextSetBit(i + 1)) {
      mappers.add(cm.getMapper(tf.getTypeFor(i).getType()));
    }
    compositionMappers.add(mappers);
    compositionBits.add(new BitVector(componentBits));
    return compositionBits.size() - 1;
  }
}