Chunk Downloader Nodes

Engine Version: 5.6Asset Version: 1.0

front page Chunk Downloader Nodes

By Karl

14/12/2025

Overview

Chunk Downloader Nodes is a professional Blueprint extension designed to work with Epic Games’ official ChunkDownloader plugin. This solution offers a complete Blueprint-based approach to content streaming, making it possible to achieve content streaming without the need for C++ knowledge. It ensures reliable performance in packaged builds, with comprehensive error handling and timeout protection.

Key Features

Blueprint-Only Solution: No C++ required for content streaming.
Package Build Compatible: Works identically in the editor and packaged builds.
Fail-Fast Error Handling: Prevents infinite retries and timeouts.
Safe Finalize Mechanism: Prevents crashes from premature cleanup.
Embedded Content Support: Offline fallback for content delivery.

Core Value

This plugin is a contribution to the Unreal Engine community. It provides a complete Blueprint solution for content streaming, ensuring that developers can achieve their goals without the complexities of C++ programming.

Technical Details

Blueprint Nodes: 36 Blueprint Nodes including 19 Async Action Nodes and 17 Blueprint Library Functions.
Game Instance Subsystem: Centralized management.
Real-time Progress Tracking: Live download/mount progress.
Comprehensive Error Handling: Detailed error messages and fail-fast behavior.
Centralized Timeout System: Configurable timeout protection across all async operations.

Manifest File Generator

The plugin includes a Manifest File Generator that automates the process of creating and managing manifests for PAK files. It offers automatic detection, chunk ID assignment, format validation, and path management, as well as batch processing capabilities.

Timeout-Enabled Nodes

The plugin implements a comprehensive timeout protection system with configurable fail-fast behavior. This system includes nodes such as Update Game [Async], Download Chunks [Async], Download and Mount Chunks [Async], and more, each with configurable timeout protection.