shadow$provide.module$node_modules$pixi_DOT_js$lib$rendering$renderers$shared$texture$CubeTexture = function(global, require, module, exports) {
  function getCubeCacheKey(faceIds, options) {
    const opts = options ? {...options} : {};
    delete opts.label;
    options = Object.keys(opts).sort();
    options = options.length ? `|${options.map(k => `${k}=${String(opts[k])}`).join("\x26")}` : "";
    return `cube:${faceKeys.map(k => faceIds[k]).join(",")}${options}`;
  }
  global = require("module$node_modules$eventemitter3$index");
  var Cache = require("module$node_modules$pixi_DOT_js$lib$assets$cache$Cache"), uid = require("module$node_modules$pixi_DOT_js$lib$utils$data$uid"), CubeTextureSource = require("module$node_modules$pixi_DOT_js$lib$rendering$renderers$shared$texture$sources$CubeTextureSource"), Texture = require("module$node_modules$pixi_DOT_js$lib$rendering$renderers$shared$texture$Texture");
  "use strict";
  const faceKeys = "left right top bottom front back".split(" ");
  class CubeTexture extends global {
    constructor(options) {
      super();
      this.uid = uid.uid("cubeTexture");
      this.destroyed = !1;
      const {label, source} = options;
      this.label = label;
      this.source = source;
      this.source.label = this.label ?? this.source.label;
    }
    static from(options, skipCache = !1) {
      if (options instanceof CubeTextureSource.CubeTextureSource) {
        return new CubeTexture({source:options});
      }
      const {faces, ...sourceOptions} = options;
      let cacheKey = null;
      options = faceKeys.every(key => "string" === typeof faces[key]);
      if (!skipCache && options && (cacheKey = getCubeCacheKey(faces, sourceOptions), Cache.Cache.has(cacheKey))) {
        return Cache.Cache.get(cacheKey);
      }
      skipCache = input => input.isTexture ? input : Texture.Texture.from(input);
      options = {};
      for (var key of faceKeys) {
        options[key] = skipCache(faces[key]).source;
      }
      key = new CubeTexture({source:new CubeTextureSource.CubeTextureSource({...sourceOptions, faces:options}), label:sourceOptions.label});
      cacheKey && (Cache.Cache.set(cacheKey, key), key.once("destroy", () => {
        Cache.Cache.has(cacheKey) && Cache.Cache.remove(cacheKey);
      }));
      return key;
    }
    destroy(destroySource = !1) {
      this.destroyed || (this.destroyed = !0, destroySource && this.source.destroy(), this.emit("destroy", this), this.removeAllListeners());
    }
  }
  exports.CubeTexture = CubeTexture;
};

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