Engine Feature Recommendations

Engine Feature Recommendations

Audience: Programmers | Mixed

Thread Context: N/A (research/reference)

Platform/Backend Scope: All platforms (game-development workflow features)

Overview

A feature study focused on game-development workflow — the day-to-day tools content creators use — rather than low-level engine architecture (job systems, render graphs, RHI). Of 15 feature recommendations, 8 already existed and 7 genuinely new systems were implemented.

This complements the earlier rounds of architecture-focused recommendations by shifting the lens to what a developer actually touches while building content.

New Systems Implemented (7)

All seven are present in the current tree (verified 2026-06-08).

#	System	File	Approx. Lines	Tests
1	Animation Notify System	Engine/Animation/AnimNotify.h	~260	TestAnimNotify.cpp
2	Gameplay Tags (Hierarchical)	Engine/Gameplay/GameplayTags.h	~280	TestGameplayTags.cpp
3	Gameplay Debugger (In-World)	Utils/GameplayDebugger.h	~310	TestGameplayDebugger.cpp
4	Screenshot Capture	Graphics/ScreenCapture.h	~280	TestScreenCapture.cpp
5	Procedural Generation Framework	Engine/Procedural/ProceduralGenerator.h	~480	TestProceduralGenerator.cpp
6	Video Playback System	Engine/Cinematic/VideoPlayer.h	~310	TestVideoPlayer.cpp
7	Lightmap Baking (Offline GI)	Graphics/LightmapBaker.h	~480	TestLightmapBaker.cpp

Pre-Existing Systems (8 of 15 Already Existed)

System	Existing Files
Undo/Redo	UndoRedoManager.h, EditorCommand.h, CommandHistory.h, UndoHistoryPanel
Content Browser	AssetBrowserPanel.h/.cpp
Spline System	SplineComponents.h, SplineEditorPanel
Decal System	DecalSystem.h/.cpp, DecalEditorPanel
Play-In-Editor	PlayModeManager.h, PlayModeToolbarPanel
Object Pooling	ObjectPool.h, TestObjectPool.cpp
Terrain System	TerrainRenderer, ClipmapTerrain, TerrainSystem, TerrainEditor
Foliage System	FoliageSystem.h

Key Patterns

• New systems follow the singleton pattern with GetInstance().
• Header-only implementations, consistent with existing systems.
• Console_GetStatus() for debug output.
• Doxygen comments on all public APIs.
• Each system has a dedicated test file.
• All wired into engine init/update/shutdown in the gameplay-systems lifecycle.

Notes

• ProceduralGenerator uses bundled FastNoiseLite for production use (built-in noise for tests).
• VideoPlayer has a pluggable decoder backend (stub decoder).
• LightmapBaker performs real CPU path tracing with a denoise filter.

Source & Freshness

• Original entry date: 2026-04-04 (.claude/knowledge/engine-feature-recommendations-2026-04-04.md)
• Verified against codebase 2026-06-08.

Updates / status changes since the original:

• All 7 new systems still present at the stated paths — Implemented and stable.
• All 8 pre-existing systems still present — Implemented.
• Test totals referenced in the original ("3388+ tests") are superseded — the suite has since grown to ~6,000 tests; the per-system test files for these features remain in place.
• No regressions or removals detected for any of the 15 systems.

Related Pages

• Project Recommendations
• Engine Viability Evaluation
• Third-Party Library Evaluation
• Mac Compatibility Analysis