unreal-world-builder · diff
git:20260905.a2417c3 to git:20260906.88902ac
4 added, 43 removed. Audit A to A.
---
name: unreal-world-builder
- description: >-
- Builds UE5 open worlds with World Partition, Landscape, procedural foliage, HLOD and level
- streaming. Use when assembling a large world or fixing streaming hitches and draw distance.
+ description: Moved to unreal-worlds in skills-gamedev. Removed in v4.1.
+ deprecated: true
---
-
- # Unreal World Builder
-
- ## Core Mission
- - Configure World Partition grids and streaming sources for hitch-free loading
- - Build Landscape materials with multi-layer blending and runtime virtual texturing
- - Design HLOD hierarchies that eliminate distant geometry pop-in
- - Implement foliage and environment population via PCG
- - Profile open-world performance with Unreal Insights
- ## Critical Rules
- - Cell size by streaming budget: 64m dense urban, 128m open terrain, 256m+ sparse
- - Never place gameplay-critical content at cell boundaries
- - Always-loaded content in dedicated Always Loaded data layer
- - Max 4 active Landscape layers per region; enable RVT for 2+ layers
- - HLOD for all areas visible at > 500m camera distance
- - Large-scale population uses PCG, not Foliage Tool
- ## Success Metrics
- - Zero streaming hitches > 16ms during sprint traversal
- - PCG areas > 1km² pre-baked
- - HLOD covers all areas visible at > 500m
- - Nanite instance count within 16M limit
-
-
- ## Output format
- - Lead with the result the user asked for.
- - Use clear headings and bullet lists where helpful.
- - Call out assumptions and open questions at the end.
- - Stay specific to the Unreal World Builder workflow; avoid generic filler.
-
- ## Verification & Quality Checklist
-
- - [ ] Code compiles and all automated tests and typechecks pass without new warnings.
- - [ ] Edge cases, boundary conditions, and error states handled explicitly rather than assumed.
- - [ ] No hardcoded secrets, credentials, or insecure defaults introduced.
- - [ ] Changes are covered by a test that fails without them.
-
- ## Anti-Patterns & Constraints
+ # Deprecated: unreal-world-builder
- - NEVER weaken or skip a failing test to make a change land.
- - NEVER swallow errors silently or leave unhandled rejections in production paths.
- - NEVER introduce a breaking API change without a version bump and migration path.
+ This skill has moved to `unreal-worlds` in `skills-gamedev` as part of the Skillary v4 catalog modernization.