@polygonjs/polygonjs/dist/src/engine/scene/utils/CookController.js

node-based WebGL 3D engine https://polygonjs.com

"use strict";
export class SceneCookController {
  constructor() {
    this._cookingNodesById = /* @__PURE__ */ new Map();
    this._nodeIdsHavingCookedAtLeastOnce = /* @__PURE__ */ new Set();
    this._nodeIdsCookingMoreThanOnce = /* @__PURE__ */ new Set();
    this._resolves = [];
  }
  addNode(node) {
    const id = node.graphNodeId();
    this._cookingNodesById.set(id, node);
    if (!this._nodeIdsHavingCookedAtLeastOnce.has(id)) {
      this._nodeIdsCookingMoreThanOnce.add(id);
    }
    this._nodeIdsHavingCookedAtLeastOnce.add(id);
  }
  removeNode(node) {
    const id = node.graphNodeId();
    this._cookingNodesById.delete(id);
    this._nodeIdsCookingMoreThanOnce.delete(id);
    if (this._cookingNodesById.size == 0) {
      this.flush();
    }
  }
  cookingNodes(target = []) {
    target.length = 0;
    this._cookingNodesById.forEach((node, id) => {
      target.push(node);
    });
    return target;
  }
  allNodesHaveCookedAtLeastOnce() {
    return this._nodeIdsCookingMoreThanOnce.size == 0;
  }
  flush() {
    let callback;
    while (callback = this._resolves.pop()) {
      callback();
    }
  }
  async waitForCooksCompleted() {
    if (this._cookingNodesById.size == 0) {
      return;
    } else {
      return new Promise((resolve, reject) => {
        this._resolves.push(resolve);
      });
    }
  }
}