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Editor tool for the LA and 3D departments: which assets each level uses, which are used nowhere, and export of a chosen set. Three modules. AssetUsageAuditCore holds the whole analysis and links no UI and no editor-only asset pipeline, so it stays runnable from a commandlet; AssetUsageAuditEditor holds the Slate panel and everything that needs UnrealEd or AssetTools; AssetUsageAuditTests holds 152 specs. Load-bearing decisions, each of which produces a wrong answer if undone: - Dependency queries are always Package + NoRequirements, never Hard. The map-to-external-actor edges the OFPA gatherer emits carry Game|Build without Hard, so a Hard query drops all 16117 external actor packages in this project. There is deliberately no Hard constant in the code. - Crossing into another map is allowed only from a level or its external actor package. Without that rule WP_Main reported 18136 assets, of which 9994 belonged to L_MainLevel, reached through the GameMode. - The verdict has five states, never a bool. The registry cannot see FMOD events, DataTable rows or string-built paths; those are Unknown, and the tool never proposes a deletion. - Copying .uasset files does not preserve references - they are stored as full package paths. Only the Migrate layout produces something Unreal can open; the others write a manifest so the graph can be rebuilt. Co-Authored-By: Claude Code <noreply@anthropic.com>
33 lines
1.3 KiB
C#
33 lines
1.3 KiB
C#
using UnrealBuildTool;
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public class AssetUsageAuditCore : ModuleRules
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{
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public AssetUsageAuditCore(ReadOnlyTargetRules Target) : base(Target)
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{
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PCHUsage = PCHUsageMode.UseExplicitOrSharedPCHs;
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// INVARIANT: this module must stay free of UI and of the editor-only asset pipeline.
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// Do NOT add: UnrealEd, AssetTools, ToolMenus, Slate, SlateCore, EditorSubsystem.
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// AssetTools is editor-only transitively (it puts UnrealEd in PublicDependencyModuleNames),
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// so pulling it in here would silently make the whole analysis undrivable from a commandlet.
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PublicDependencyModuleNames.AddRange(new string[]
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{
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"Core",
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"CoreUObject",
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"AssetRegistry"
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});
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PrivateDependencyModuleNames.AddRange(new string[]
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{
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// Engine is a Runtime module and is available in commandlets, so it does not
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// compromise the headless goal. It is needed for ULevel::GetExternalActorsPaths and
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// ScanLevelAssets - the OFPA folder layout must never be string-built, because
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// Content Bundles inject /CB/<Guid>/, External Data Layers inject /EDL/<UID>/, and
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// plugins can register further roots through delegates.
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"Engine",
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"Json",
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"Projects"
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});
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}
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}
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