Method loadAllTasksInBackground

GDJS/Runtime/ResourceLoader.ts:1057–1104

* Load each task in order.

()

     * Load each task in order.
     */
    async loadAllTasksInBackground(): Promise<void> {
      if (this.currentLoadingTaskIdentifier) {
        return;
      }

      debugLogger.log(`Loading all ${this.name} resources, in background.`);
      while (this.loadingTaskQueue.length > 0) {
        debugLogger.log(
          `Still resources of ${this.loadingTaskQueue.length} ${this.name}(s) to load: ${this.loadingTaskQueue.map((task) => task.identifier).join(', ')}`
        );
        const task = this.loadingTaskQueue[this.loadingTaskQueue.length - 1];
        if (task === undefined) {
          continue;
        }
        this.currentLoadingTaskIdentifier = task.identifier;
        if (!this.areAssetsLoaded(task.identifier)) {
          debugLogger.log(
            `Loading (but not processing) resources for ${this.name} ${task.identifier}.`
          );
          const loadingState = this.loadingStates.get(task.identifier);
          if (loadingState) {
            await this._doLoadResources(loadingState, async (count, total) =>
              task.onProgress(count, total)
            );
          } else {
            logger.warn(
              `Can\'t load resource for unknown ${this.name}: "${task.identifier}".`
            );
            return;
          }
          debugLogger.log(
            `Done loading (but not processing) resources for ${this.name} ${task.identifier}.`
          );

          // A task may have been moved last while awaiting resources to be
          // downloaded (see _prioritize).
          this.loadingTaskQueue.splice(
            this.loadingTaskQueue.findIndex((element) => element === task),
            1
          );
          task.onFinish();
        } else {
          this.loadingTaskQueue.pop();
        }
      }
      debugLogger.log(`${this.name} resources loading finished.`);
      this.currentLoadingTaskIdentifier = '';
    }

    private async _doLoadResources(
      loadingState: LoadingTaskState,