UnrealXu/UnrealEngine5-Skills

# Quick Start
- Collect current module list, `*.Build.cs`, and major gameplay/UI systems.
- Propose one target module graph before writing code.
- Output module responsibilities and ownership in a table.

# Workflow
- Identify runtime, editor, UI, networking, and data modules from current codebase.
- Define Public API for each module as minimal headers and Blueprint surface.
- Define Private implementation boundaries and include rules.
- Define `PublicDependencyModuleNames` and `PrivateDependencyModuleNames` per module.
- Report risks: circular includes, over-exposed reflection types, and cross-layer references.

# Constraints
- Keep `UCLASS/USTRUCT/UENUM` only where reflection is required.

# Quick Start
- Treat this as the default entry for UE5.6-UE5.8 requests.
- Parse user intent first without requiring module names.
- Route to `ue5-module-router` when module-level precision is needed.

# Workflow
- Detect request type: Blueprint, C++, UI, save/load, networking, world interaction, PCG/procedural generation, debugging, performance, packaging.
- If module names appear, delegate routing to `ue5-module-router`.
- If module names do not appear, route by intent:
  - Blueprint -> `ue5-blueprint-workflow`
  - C++ gameplay -> `ue5-cpp-gameplay`
  - UI/UMG/Slate -> `ue5-ui-umg-slate`
  - save/load/replication -> `ue5-save-load-replication`
  - pickup/spawner/world interaction -> `ue5-world-interaction`

# Quick Start
- Identify target Blueprint asset and graph (`EventGraph` or function graph).
- Confirm requested behavior as event -> logic -> output chain.
- Decide input route first: legacy key event or Enhanced Input action event.
- Produce graph-level steps first, then exact node/pin wiring details.

# API Anchors (UE5.6-UE5.8)
- Keyboard and event node anchors:
  - `UK2Node_InputKey`, `UK2Node_InputAction`, `UK2Node_InputActionEvent`
  - `UK2Node_CallFunction`, `UK2Node_CustomEvent`
- Enhanced Input anchors:
  - `UInputAction`, `UInputMappingContext`
  - `UEnhancedInputLocalPlayerSubsystem::AddMappingContext(...)`
  - `UEnhancedInputLocalPlayerSubsystem::RemoveMappingContext(...)`

# Quick Start
- Confirm target class type (`AActor`, `UActorComponent`, `UObject`, `USaveGame`, etc.).
- Define required Blueprint-facing API before implementation.
- Output both header and source files together.

# API Anchors (UE5.6-UE5.8)
- Reflection and UObject anchors:
  - `UCLASS`, `USTRUCT`, `UENUM`, `UINTERFACE`, `GENERATED_BODY()`
  - `UPROPERTY(...)`, `UFUNCTION(...)`
- Core gameplay type anchors:
  - `AActor`, `UActorComponent`, `UDataAsset`, `UGameInstanceSubsystem`
  - `TObjectPtr<>` in headers and `TSubclassOf<>` for class references
- Replication anchors:
  - `GetLifetimeReplicatedProps(...)`

# Quick Start
- Reproduce issue with minimal steps.
- Collect output log lines and relevant actor/asset state.
- Classify fault domain: data, Blueprint, C++, networking, or editor config.

# API Anchors (UE5.6-UE5.8)
- Core diagnostics anchors:
  - `UE_LOG(...)`
  - `ensure(...)`, `ensureMsgf(...)`
  - `check(...)`, `checkf(...)`
- Runtime debug output anchors:
  - `UEngine::AddOnScreenDebugMessage(...)`
  - `UKismetSystemLibrary::PrintString(...)`
- Structured log review anchors:

# Quick Start
- Extract explicit module names from user prompt first.
- If module is found, route by exact module mapping before keyword heuristics.
- If module is not found, use aliases and layer context.

# Workflow
- Parse prompt for module candidates (for example `RenderCore`, `AIModule`, `AssetRegistry`).
- Lookup module in `ue5-module-routing-table-final.csv`.
- If multiple hits, prioritize:
  1. exact module name match
  2. Build.cs path similarity
  3. alias overlap with prompt keywords
- Return routing payload:
  - `primary_skill`

# Quick Start
- Define generation target: blockout towers, modular facades, or lot-based building sets.
- Define deterministic inputs: lot splines/points, district tags, style preset, and seed.
- Define runtime mode: static bake, on-demand, or runtime scheduled generation.
- Define output mode: Static Mesh instances first, Spawn Actor only for interactive/stateful parts.

# API Anchors (UE5.6-UE5.8)
- Runtime trigger and radii live on `UPCGComponent`:
  - `EPCGComponentGenerationTrigger::GenerateAtRuntime`
  - `bOverrideGenerationRadii`, `GenerationRadii`, `SchedulingPolicyClass`, `SchedulingPolicy`
  - `GenerateLocal(...)`, `Cleanup(...)`
- Runtime scheduler refresh lives on `UPCGSubsystem`:
  - UE5.6/UE5.7: `RefreshRuntimeGenComponent(...)`, `RefreshAllRuntimeGenComponents(...)`
  - UE5.8: `RefreshRuntimeGenExecutionSource(...)`, `RefreshAllRuntimeGenExecutionSources(...)`

# Quick Start
- Confirm target platform and build configuration.
- Collect current performance symptoms and packaging goal.
- Output a pre-package checklist plus measurement plan.

# API Anchors (UE5.6-UE5.8)
- Runtime quality and frame-budget anchors:
  - `UGameUserSettings::SetOverallScalabilityLevel(...)`
  - `UGameUserSettings::SetFrameRateLimit(...)`
  - `UGameUserSettings::ApplySettings(...)`
- Packaging settings anchors:
  - `UProjectPackagingSettings`
  - `BuildConfiguration`, `MapsToCook`, `DirectoriesToAlwaysCook`
  - `UsePakFile`, `bUseIoStore`, `bGenerateChunks`

# Quick Start
- Define what must persist and what must replicate.
- Separate local save state from network runtime state.
- Output data schema, save flow, load flow, and net flow.

# API Anchors (UE5.6-UE5.8)
- Save pipeline anchors:
  - `USaveGame`
  - `UGameplayStatics::CreateSaveGameObject(...)`
  - `UGameplayStatics::SaveGameToSlot(...)`, `LoadGameFromSlot(...)`
  - `UGameplayStatics::AsyncSaveGameToSlot(...)`, `AsyncLoadGameFromSlot(...)`
- Replication anchors:
  - `GetLifetimeReplicatedProps(...)`
  - `DOREPLIFETIME(...)`

# Quick Start
- Identify whether feature belongs to UMG, Slate, or hybrid bridge.
- Define data source component/subsystem and UI binding point.
- Output widget tree intent and runtime binding sequence.

# API Anchors (UE5.6-UE5.8)
- UMG lifecycle and viewport anchors:
  - `UUserWidget::NativeConstruct()`, `UUserWidget::NativeDestruct()`
  - `UUserWidget::AddToViewport(...)`
  - `UWidget::RemoveFromParent()`
  - `UWidget::SetVisibility(...)`
  - `UWidget::SetKeyboardFocus()`
- UMG input mode anchors:
  - `UWidgetBlueprintLibrary::SetInputMode_UIOnlyEx(...)`

# Quick Start
- Define interaction model: overlap-driven, trace-driven, or explicit use key.
- Define actor set: pickup actor, optional spawner, optional visual mapping data asset.
- Output runtime state transitions from spawn to interaction resolution.

# API Anchors (UE5.6-UE5.8)
- Detection anchors:
  - `USphereComponent`, `UBoxComponent`
  - `UPrimitiveComponent::OnComponentBeginOverlap`
  - `UPrimitiveComponent::OnComponentEndOverlap`
  - `FHitResult`
- Trace anchors:
  - `UWorld::LineTraceSingleByChannel(...)`
  - `UWorld::SweepSingleByChannel(...)`