Method registerCallback

GDJS/Runtime/ResourceLoader.ts:54–66

(
      onFinish: () => void,
      onProgress?: (count: number, total: number) => void
    )

    }

    registerCallback(
      onFinish: () => void,
      onProgress?: (count: number, total: number) => void
    ) {
      if (this.isFinished) {
        onFinish();
        return;
      }
      this.onFinishCallbacks.push(onFinish);
      if (onProgress) {
        this.onProgressCallbacks.push(onProgress);
      }
    }

    onProgress(count: number, total: number) {
      for (const onProgress of this.onProgressCallbacks) {