#pragma once #include "CoreMinimal.h" #include "Dom/JsonValue.h" #include "Dom/JsonObject.h" class FLevelHandlers { public: // Register all level handlers static void RegisterHandlers(class FMCPHandlerRegistry& Registry); // Shared by the handler and its focused native automation test. static int32 ClearBlueprintGraphNodes( class UBlueprint* Blueprint, bool bDryRun, TArray>& OutGraphs); private: // Handler implementations static TSharedPtr GetOutliner(const TSharedPtr& Params); // #717: bulk set editor-only visibility (temporarily hidden in editor) static TSharedPtr SetEditorVisibility(const TSharedPtr& Params); static TSharedPtr PlaceActor(const TSharedPtr& Params); static TSharedPtr DeleteActor(const TSharedPtr& Params); static TSharedPtr GetActorDetails(const TSharedPtr& Params); // #240/#241/#302/#320/#370/#353: deep component-tree introspection - per-component // attach topology + transforms + collision + mesh/material refs + reflected properties. static TSharedPtr GetComponentTree(const TSharedPtr& Params); // #386/#387: relative transform between two actors (target's transform // expressed in reference's local space). static TSharedPtr GetRelativeTransform(const TSharedPtr& Params); static TSharedPtr GetCurrentLevel(const TSharedPtr& Params); // #964: save the level currently being edited, through the same package // path editor(save_dirty) uses, and report what happened to each package // rather than one bare boolean. LevelHandlers_Save.cpp. static TSharedPtr SaveLevel(const TSharedPtr& Params); // #985: World Partition streaming settings (CellSize / LoadingRange) and the // runtime cell transformer stack, whose instanced transformer object had no // writable path at all. LevelHandlers_WorldPartitionSettings.cpp. static TSharedPtr GetWorldPartitionSettings(const TSharedPtr& Params); static TSharedPtr SetWorldPartitionSettings(const TSharedPtr& Params); static TSharedPtr AddRuntimeCellTransformer(const TSharedPtr& Params); // #985: bulk HLOD layer assignment, with the other selector-driven batch // writes in LevelHandlers_BatchWrite.cpp. static TSharedPtr SetActorHLODLayer(const TSharedPtr& Params); static TSharedPtr ListLevels(const TSharedPtr& Params); static TSharedPtr GetSelectedActors(const TSharedPtr& Params); static TSharedPtr ListVolumes(const TSharedPtr& Params); static TSharedPtr MoveActor(const TSharedPtr& Params); // #566 point an actor at a target point or actor (computed look-at) static TSharedPtr AimActorAt(const TSharedPtr& Params); // #585 project a world point onto the navmesh static TSharedPtr NavProjectPoint(const TSharedPtr& Params); static TSharedPtr SelectActors(const TSharedPtr& Params); static TSharedPtr SpawnLight(const TSharedPtr& Params); static TSharedPtr SetLightProperties(const TSharedPtr& Params); static TSharedPtr SpawnVolume(const TSharedPtr& Params); static TSharedPtr AddComponentToActor(const TSharedPtr& Params); // #426: symmetric inverse of add_component_to_actor. static TSharedPtr RemoveComponentFromActor(const TSharedPtr& Params); static TSharedPtr LoadLevel(const TSharedPtr& Params); static TSharedPtr ClearLevelScript(const TSharedPtr& Params); static TSharedPtr SetComponentProperty(const TSharedPtr& Params); static TSharedPtr NudgeComponent(const TSharedPtr& Params); static TSharedPtr GetComponentDetails(const TSharedPtr& Params); static TSharedPtr SetVolumeProperties(const TSharedPtr& Params); static TSharedPtr GetWorldSettings(const TSharedPtr& Params); static TSharedPtr SetWorldSettings(const TSharedPtr& Params); static TSharedPtr SetActorMaterial(const TSharedPtr& Params); // #94: Fog + sky helpers static TSharedPtr SetFogProperties(const TSharedPtr& Params); static TSharedPtr GetActorsByClass(const TSharedPtr& Params); // #582 find actors that own a component of a given class static TSharedPtr GetActorsByComponentClass(const TSharedPtr& Params); // Aggregate loaded static-mesh usage in one bounded, read-only world scan. static TSharedPtr SummarizeStaticMeshUsage(const TSharedPtr& Params); // v0.7.19 issue #146 - actor class histogram (counts by class name) static TSharedPtr CountActorsByClass(const TSharedPtr& Params); // v0.7.19 issue #150 - RuntimeVirtualTextureVolume / component summary static TSharedPtr GetRVTSummary(const TSharedPtr& Params); // v0.7.19 issue #151 - set WaterBodyComponent property via runtime class lookup static TSharedPtr SetWaterBodyProperty(const TSharedPtr& Params); // #188: get actor origin + extent bounds static TSharedPtr GetActorBounds(const TSharedPtr& Params); // #178: resolve actor by internal/runtime UObject name static TSharedPtr ResolveActor(const TSharedPtr& Params); // #202/#230: generic per-instance UPROPERTY writer for level actors static TSharedPtr SetActorProperty(const TSharedPtr& Params); // #220: bulk delete actors by label prefix / class / tag static TSharedPtr DeleteActors(const TSharedPtr& Params); // Safely delete actors with exact editor labels across explicit level // packages. Defaults to a dry run and saves only levels changed by a // committed request. static TSharedPtr DeleteExactLabeledActorsInLevels(const TSharedPtr& Params); // #767: bulk-assign World Outliner folder paths in one transaction. static TSharedPtr SetActorFolderPath(const TSharedPtr& Params); // #746: World Partition actor descriptors - see unloaded actors and stream // them in, instead of every actor query silently reporting zero for them. static TSharedPtr ListActorDescs(const TSharedPtr& Params); static TSharedPtr LoadActorDescs(const TSharedPtr& Params); // #219: actor tag CRUD static TSharedPtr AddActorTag(const TSharedPtr& Params); static TSharedPtr RemoveActorTag(const TSharedPtr& Params); static TSharedPtr SetActorTags(const TSharedPtr& Params); static TSharedPtr ListActorTags(const TSharedPtr& Params); // #205: actor attach/detach + mobility static TSharedPtr AttachActor(const TSharedPtr& Params); static TSharedPtr DetachActor(const TSharedPtr& Params); // Attach an exact named/root SceneComponent to an exact named/root parent // SceneComponent, optionally at a validated socket. static TSharedPtr AttachComponent(const TSharedPtr& Params); static TSharedPtr DetachComponent(const TSharedPtr& Params); static TSharedPtr SetActorMobility(const TSharedPtr& Params); // #204: edit-level current sub-level static TSharedPtr GetCurrentEditLevel(const TSharedPtr& Params); static TSharedPtr SetCurrentEditLevel(const TSharedPtr& Params); // #206: streaming sub-level CRUD on the persistent world static TSharedPtr ListStreamingSublevels(const TSharedPtr& Params); static TSharedPtr AddStreamingSublevel(const TSharedPtr& Params); static TSharedPtr RemoveStreamingSublevel(const TSharedPtr& Params); static TSharedPtr SetStreamingSublevelProperties(const TSharedPtr& Params); // #203: batch spawn / batch transform static TSharedPtr SpawnGrid(const TSharedPtr& Params); static TSharedPtr BatchTranslate(const TSharedPtr& Params); // #264: explicit per-instance batch spawn (mesh+transform per actor) static TSharedPtr PlaceActorsBatch(const TSharedPtr& Params); // #420: raycast + #419 snap-to-floor (spatial level operations) static TSharedPtr LineTrace(const TSharedPtr& Params); static TSharedPtr BulkLineTrace(const TSharedPtr& Params); static TSharedPtr SnapActorToFloor(const TSharedPtr& Params); // #453: per-actor motion snapshot for telemetry / driving probes. static TSharedPtr ReadActorMotion(const TSharedPtr& Params); // #434: bulk-add transforms to an actor's HISMC/ISMC for foliage / debris // authoring. Python's add_instance crashes in 5.7; the C++ path is fine. static TSharedPtr AddHismcInstances(const TSharedPtr& Params); // #697: read back every instance transform on an actor's ISMC/HISMC so a // caller can inspect / re-scatter an existing instanced component. static TSharedPtr GetInstanceTransforms(const TSharedPtr& Params); // #697: update or remove a single instance on an ISMC/HISMC by index. static TSharedPtr UpdateInstanceTransform(const TSharedPtr& Params); static TSharedPtr RemoveInstance(const TSharedPtr& Params); // Preview or commit a bounded batch of ISMC/HISMC instances snapped to a // filtered collision surface. Defaults to dryRun=true and preflights every // trace before one transactional mutation. static TSharedPtr SnapInstancesToSurface(const TSharedPtr& Params); // #696: enable + force-build Nanite on a UStaticMesh asset, or read its // current Nanite state. static TSharedPtr SetNaniteSettings(const TSharedPtr& Params); static TSharedPtr GetNaniteInfo(const TSharedPtr& Params); // #679/#677: spawn a SkeletalMeshActor with a mesh + optional materials and // single-node animation preview for visual/deform verification. static TSharedPtr SpawnSkeletalMeshActor(const TSharedPtr& Params); // #666: add a material blendable to a PostProcessVolume's WeightedBlendables. static TSharedPtr AddPostProcessBlendable(const TSharedPtr& Params); // #950: FPostProcessSettings values only apply when their bOverride_ // bit is on, so the setter writes both halves and the reader reports which // settings a volume is actually overriding. // LevelHandlers_PostProcess.cpp. static TSharedPtr SetPostProcessSettings(const TSharedPtr& Params); static TSharedPtr GetPostProcessSettings(const TSharedPtr& Params); static TSharedPtr SetFixedExposure(const TSharedPtr& Params); // #637: export a selected actor's mesh to FBX plus a metadata sidecar JSON. static TSharedPtr ExportActorFbx(const TSharedPtr& Params); // #910/#943/#912: one editor-side component query. Filters, projection, // predicates, grouping and counts all evaluate here, because shipping the // candidates out to be filtered by the client is what made these questions // megabyte payloads and Python loops. static TSharedPtr QueryComponents(const TSharedPtr& Params); // #984/#941/#907/#987: the write side of the same complaint. A selector // that runs in the editor, so a level-wide edit is one call rather than a // generated label list and a loop. static TSharedPtr BatchSetActorProperties(const TSharedPtr& Params); static TSharedPtr BulkSetComponentProperty(const TSharedPtr& Params); static TSharedPtr RemoveComponentsByClass(const TSharedPtr& Params); static TSharedPtr SpawnActorsBatch(const TSharedPtr& Params); // #944: rerun construction on PLACED instances. blueprint(run_construction_script) // only touches a temporary actor, and the Python wrapper has no equivalent. static TSharedPtr RerunConstruction(const TSharedPtr& Params); // #915: rebuild collision after mesh data changed under it. Stale collision // makes line_trace report a miss through solid geometry. static TSharedPtr RecreatePhysicsState(const TSharedPtr& Params); // #914: geometric overlap between two components, with the unscaled local // bounds a caller needs to reason about the answer. static TSharedPtr TestComponentOverlap(const TSharedPtr& Params); // #911: wrap UEditorActorSubsystem::ConvertActors for Brush to StaticMesh, // with the safety checks that operation needs because it destroys its input. static TSharedPtr ConvertBrushesToStaticMesh(const TSharedPtr& Params); // #946: per-slot COMPONENT material overrides on placed actors, which is a // different thing from the mesh asset's own slots. static TSharedPtr SetComponentMaterials(const TSharedPtr& Params); // #956: a verification subject that cannot be saved into the map. static TSharedPtr SpawnTransientActor(const TSharedPtr& Params); static TSharedPtr DestroyTransientActor(const TSharedPtr& Params); static TSharedPtr ListTransientActors(const TSharedPtr& Params); };