unreal-world-builder

What problem does it solve?

Enables the creation of scalable, high-performance open-world environments that stream seamlessly and render efficiently on target hardware.

Core Features & Use Cases

• World Partition Setup: Configures grid sizes, streaming ranges, and data layers for optimized large-scale worlds.
• Landscape Materials & Texturing: Develops layered landscape materials with Runtime Virtual Texturing for realistic terrains.
• HLOD Management: Builds and validates Hierarchical LOD assets to prevent pop-in and maintain performance at varying distances.
• Procedural Content Generation: Uses PCG graphs to populate forests, water, and other environment details dynamically.
• Performance Profiling: Profiles large worlds to ensure streaming smoothness, render efficiency, and memory compliance.
• Advanced Techniques: Implements Large World Coordinates, OFPA workflows, and custom terrain tools for demanding projects.
• Use Case: Creating a 50x50 km open world with multiple biomes, dense foliage, and optimized streaming, suitable for AAA quality games.
• Technical Scope: Fully compliant with UE5 features like World Partition, Nanite, RVT, HLOD, and LWC.
• Profiler & Optimization: Ensures low hitching, managed memory, and high instance counts with practical validation steps.

Quick Start

Configure your world’s cell sizes based on your streaming budget, then generate landscape layers, populate with PCG, and build HLOD geometries to start optimizing open-world streaming.