pixi.js/lib/utils/pool/PoolGroup.mjs

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import { Pool } from './Pool.mjs';

"use strict";
class PoolGroupClass {
  constructor() {
    /**
     * A map to store the pools by their class type.
     * @private
     */
    this._poolsByClass = /* @__PURE__ */ new Map();
  }
  /**
   * Prepopulates a specific pool with a given number of items.
   * @template T The type of items in the pool. Must extend PoolItem.
   * @param {PoolItemConstructor<T>} Class - The constructor of the items in the pool.
   * @param {number} total - The number of items to add to the pool.
   */
  prepopulate(Class, total) {
    const classPool = this.getPool(Class);
    classPool.prepopulate(total);
  }
  /**
   * Gets an item from a specific pool.
   * @template T The type of items in the pool. Must extend PoolItem.
   * @param {PoolItemConstructor<T>} Class - The constructor of the items in the pool.
   * @param {unknown} [data] - Optional data to pass to the item's constructor.
   * @returns {T} The item from the pool.
   */
  get(Class, data) {
    const pool = this.getPool(Class);
    return pool.get(data);
  }
  /**
   * Returns an item to its respective pool.
   * @param {PoolItem} item - The item to return to the pool.
   */
  return(item) {
    const pool = this.getPool(item.constructor);
    pool.return(item);
  }
  /**
   * Gets a specific pool based on the class type.
   * @template T The type of items in the pool. Must extend PoolItem.
   * @param {PoolItemConstructor<T>} ClassType - The constructor of the items in the pool.
   * @returns {Pool<T>} The pool of the given class type.
   */
  getPool(ClassType) {
    if (!this._poolsByClass.has(ClassType)) {
      this._poolsByClass.set(ClassType, new Pool(ClassType));
    }
    return this._poolsByClass.get(ClassType);
  }
  /** gets the usage stats of each pool in the system */
  stats() {
    const stats = {};
    this._poolsByClass.forEach((pool) => {
      const name = stats[pool._classType.name] ? pool._classType.name + pool._classType.ID : pool._classType.name;
      stats[name] = {
        free: pool.totalFree,
        used: pool.totalUsed,
        size: pool.totalSize
      };
    });
    return stats;
  }
}
const BigPool = new PoolGroupClass();

export { BigPool, PoolGroupClass };
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