Update

Source/FLESHEditor/Public/DismembermentGraph/DismembermentCompiler.h

@@ -0,0 +1,211 @@
+#pragma once
+
+#include "CoreMinimal.h"
+#include "UObject/NoExportTypes.h"
+#include "DismembermentCompiler.generated.h"
+
+class UDismembermentGraphNode;
+class UDismembermentGraph;
+
+/**
+ * Compiled node data structure
+ */
+USTRUCT()
+struct FCompiledNodeData
+{
+    GENERATED_BODY()
+
+    // Node reference
+    UPROPERTY()
+    TObjectPtr<UDismembermentGraphNode> Node;
+
+    // Input nodes
+    UPROPERTY()
+    TArray<int32> InputNodeIndices;
+
+    // Output nodes
+    UPROPERTY()
+    TArray<int32> OutputNodeIndices;
+
+    // Execution order index
+    int32 ExecutionOrder;
+
+    // Constructor
+    FCompiledNodeData()
+        : Node(nullptr)
+        , ExecutionOrder(-1)
+    {
+    }
+};
+
+/**
+ * Dismemberment compiler class
+ * Compiles a dismemberment graph into executable logic
+ */
+UCLASS()
+class FLESHEDITOR_API UDismembermentCompiler : public UObject
+{
+    GENERATED_BODY()
+
+public:
+    // Constructor
+    UDismembermentCompiler();
+
+    /**
+     * Compile a dismemberment graph
+     * @param InGraph - The graph to compile
+     * @return True if compilation was successful
+     */
+    bool CompileGraph(UDismembermentGraph* InGraph);
+
+    /**
+     * Get the compiled node data
+     * @return Array of compiled node data
+     */
+    const TArray<FCompiledNodeData>& GetCompiledNodeData() const { return CompiledNodeData; }
+
+    /**
+     * Get the execution order
+     * @return Array of node indices in execution order
+     */
+    const TArray<int32>& GetExecutionOrder() const { return ExecutionOrder; }
+
+    /**
+     * Add a bone selection
+     * @param BoneName - Name of the bone to select
+     */
+    void AddBoneSelection(const FName& BoneName);
+
+    /**
+     * Add a cut operation
+     * @param Location - Location of the cut
+     * @param Direction - Direction of the cut
+     * @param Width - Width of the cut
+     * @param Depth - Depth of the cut
+     * @param Material - Material to use for the cut surface
+     */
+    void AddCutOperation(const FVector& Location, const FVector& Direction, float Width, float Depth, UMaterialInterface* Material);
+
+    /**
+     * Add a blood effect
+     * @param Location - Location of the blood effect
+     * @param BloodEffect - Niagara system for the blood effect
+     * @param BloodAmount - Amount of blood
+     * @param BloodPressure - Blood pressure
+     * @param CreateBloodPool - Whether to create a blood pool
+     * @param BloodPoolSize - Size of the blood pool
+     * @param BloodPoolMaterial - Material for the blood pool
+     */
+    void AddBloodEffect(const FVector& Location, UNiagaraSystem* BloodEffect, float BloodAmount, float BloodPressure, bool CreateBloodPool, float BloodPoolSize, UMaterialInterface* BloodPoolMaterial);
+
+    /**
+     * Add a physics simulation
+     * @param Mass - Mass of the object
+     * @param LinearDamping - Linear damping
+     * @param AngularDamping - Angular damping
+     * @param EnableGravity - Whether to enable gravity
+     * @param SimulatePhysics - Whether to simulate physics
+     * @param GenerateOverlapEvents - Whether to generate overlap events
+     * @param PhysicalMaterial - Physical material to use
+     * @param ImpulseForce - Force of the impulse
+     * @param ImpulseRadius - Radius of the impulse
+     */
+    void AddPhysicsSimulation(float Mass, float LinearDamping, float AngularDamping, bool EnableGravity, bool SimulatePhysics, bool GenerateOverlapEvents, UPhysicalMaterial* PhysicalMaterial, float ImpulseForce, float ImpulseRadius);
+
+    /**
+     * Add an organ
+     * @param OrganMesh - Mesh for the organ
+     * @param OrganMaterial - Material for the organ
+     * @param AttachBoneName - Name of the bone to attach to
+     * @param RelativeLocation - Relative location
+     * @param RelativeRotation - Relative rotation
+     * @param RelativeScale - Relative scale
+     * @param SimulatePhysics - Whether to simulate physics
+     * @param DamageMultiplier - Damage multiplier
+     * @param IsCriticalOrgan - Whether this is a critical organ
+     * @param BloodAmount - Amount of blood
+     */
+    void AddOrgan(UStaticMesh* OrganMesh, UMaterialInterface* OrganMaterial, const FName& AttachBoneName, const FVector& RelativeLocation, const FRotator& RelativeRotation, const FVector& RelativeScale, bool SimulatePhysics, float DamageMultiplier, bool IsCriticalOrgan, float BloodAmount);
+
+    /**
+     * Add a wound effect
+     * @param WoundSize - Size of the wound
+     * @param WoundDepth - Depth of the wound
+     * @param WoundMaterial - Material for the wound
+     * @param WoundEffect - Effect for the wound
+     * @param CreateDecal - Whether to create a decal
+     * @param DecalMaterial - Material for the decal
+     * @param DecalSize - Size of the decal
+     * @param DecalLifetime - Lifetime of the decal
+     * @param AffectBoneHealth - Whether to affect bone health
+     * @param BoneDamage - Amount of bone damage
+     */
+    void AddWoundEffect(float WoundSize, float WoundDepth, UMaterialInterface* WoundMaterial, UNiagaraSystem* WoundEffect, bool CreateDecal, UMaterialInterface* DecalMaterial, float DecalSize, float DecalLifetime, bool AffectBoneHealth, float BoneDamage);
+
+private:
+    // The graph being compiled
+    UPROPERTY()
+    TObjectPtr<UDismembermentGraph> Graph;
+
+    // Compiled node data
+    UPROPERTY()
+    TArray<FCompiledNodeData> CompiledNodeData;
+
+    // Execution order
+    UPROPERTY()
+    TArray<int32> ExecutionOrder;
+
+    // Bone selections
+    UPROPERTY()
+    TArray<FName> BoneSelections;
+
+    // Cut operations
+    UPROPERTY()
+    TArray<FTransform> CutOperations;
+
+    // Cut materials
+    UPROPERTY()
+    TArray<TObjectPtr<UMaterialInterface>> CutMaterials;
+
+    // Cut widths
+    UPROPERTY()
+    TArray<float> CutWidths;
+
+    // Cut depths
+    UPROPERTY()
+    TArray<float> CutDepths;
+
+    // Blood effects
+    UPROPERTY()
+    TArray<FTransform> BloodEffectTransforms;
+
+    // Blood effect systems
+    UPROPERTY()
+    TArray<TObjectPtr<UNiagaraSystem>> BloodEffectSystems;
+
+    // Blood amounts
+    UPROPERTY()
+    TArray<float> BloodAmounts;
+
+    // Blood pressures
+    UPROPERTY()
+    TArray<float> BloodPressures;
+
+    // Create blood pools
+    UPROPERTY()
+    TArray<bool> CreateBloodPools;
+
+    // Blood pool sizes
+    UPROPERTY()
+    TArray<float> BloodPoolSizes;
+
+    // Blood pool materials
+    UPROPERTY()
+    TArray<TObjectPtr<UMaterialInterface>> BloodPoolMaterials;
+
+    // Topological sort the nodes
+    bool TopologicalSort();
+
+    // Visit node for topological sort
+    void VisitNode(int32 NodeIndex, TArray<bool>& Visited, TArray<bool>& TempMark, TArray<int32>& SortedNodes, bool& bHasCycle);
+};

Source/FLESHEditor/Public/DismembermentGraph/DismembermentExecutor.h

@@ -0,0 +1,155 @@
+#pragma once
+
+#include "CoreMinimal.h"
+#include "UObject/NoExportTypes.h"
+#include "DismembermentCompiler.h"
+#include "DismembermentExecutor.generated.h"
+
+class AActor;
+class USkeletalMeshComponent;
+class UDismembermentCompiler;
+
+/**
+ * Dismemberment executor class
+ * Executes a compiled dismemberment graph
+ */
+UCLASS()
+class FLESHEDITOR_API UDismembermentExecutor : public UObject
+{
+    GENERATED_BODY()
+
+public:
+    // Constructor
+    UDismembermentExecutor();
+
+    /**
+     * Initialize the executor with a compiler
+     * @param InCompiler - The compiler containing the compiled graph
+     */
+    void Initialize(UDismembermentCompiler* InCompiler);
+
+    /**
+     * Execute the compiled graph on a target actor
+     * @param TargetActor - The actor to apply the dismemberment effects to
+     * @return True if execution was successful
+     */
+    bool Execute(AActor* TargetActor);
+
+    /**
+     * Get the target actor
+     * @return The target actor
+     */
+    AActor* GetTargetActor() const { return TargetActor; }
+
+    /**
+     * Get the target skeletal mesh component
+     * @return The target skeletal mesh component
+     */
+    USkeletalMeshComponent* GetTargetSkeletalMesh() const { return TargetSkeletalMesh; }
+
+    /**
+     * Get the selected bones
+     * @return Array of selected bone names
+     */
+    const TArray<FName>& GetSelectedBones() const { return SelectedBones; }
+
+    /**
+     * Add a bone to the selection
+     * @param BoneName - Name of the bone to add
+     */
+    void AddSelectedBone(const FName& BoneName);
+
+    /**
+     * Apply a cut to the target
+     * @param Location - Location of the cut
+     * @param Direction - Direction of the cut
+     * @param Width - Width of the cut
+     * @param Depth - Depth of the cut
+     * @param Material - Material to use for the cut surface
+     * @return True if the cut was successful
+     */
+    bool ApplyCut(const FVector& Location, const FVector& Direction, float Width, float Depth, UMaterialInterface* Material);
+
+    /**
+     * Spawn a blood effect
+     * @param Location - Location of the blood effect
+     * @param BloodEffect - Niagara system for the blood effect
+     * @param BloodAmount - Amount of blood
+     * @param BloodPressure - Blood pressure
+     * @param CreateBloodPool - Whether to create a blood pool
+     * @param BloodPoolSize - Size of the blood pool
+     * @param BloodPoolMaterial - Material for the blood pool
+     * @return True if the blood effect was created successfully
+     */
+    bool SpawnBloodEffect(const FVector& Location, UNiagaraSystem* BloodEffect, float BloodAmount, float BloodPressure, bool CreateBloodPool, float BloodPoolSize, UMaterialInterface* BloodPoolMaterial);
+
+    /**
+     * Apply physics simulation
+     * @param Mass - Mass of the object
+     * @param LinearDamping - Linear damping
+     * @param AngularDamping - Angular damping
+     * @param EnableGravity - Whether to enable gravity
+     * @param SimulatePhysics - Whether to simulate physics
+     * @param GenerateOverlapEvents - Whether to generate overlap events
+     * @param PhysicalMaterial - Physical material to use
+     * @param ImpulseForce - Force of the impulse
+     * @param ImpulseRadius - Radius of the impulse
+     * @return True if the physics simulation was applied successfully
+     */
+    bool ApplyPhysics(float Mass, float LinearDamping, float AngularDamping, bool EnableGravity, bool SimulatePhysics, bool GenerateOverlapEvents, UPhysicalMaterial* PhysicalMaterial, float ImpulseForce, float ImpulseRadius);
+
+    /**
+     * Spawn an organ
+     * @param OrganMesh - Mesh for the organ
+     * @param OrganMaterial - Material for the organ
+     * @param AttachBoneName - Name of the bone to attach to
+     * @param RelativeLocation - Relative location
+     * @param RelativeRotation - Relative rotation
+     * @param RelativeScale - Relative scale
+     * @param SimulatePhysics - Whether to simulate physics
+     * @param DamageMultiplier - Damage multiplier
+     * @param IsCriticalOrgan - Whether this is a critical organ
+     * @param BloodAmount - Amount of blood
+     * @return True if the organ was spawned successfully
+     */
+    bool SpawnOrgan(UStaticMesh* OrganMesh, UMaterialInterface* OrganMaterial, const FName& AttachBoneName, const FVector& RelativeLocation, const FRotator& RelativeRotation, const FVector& RelativeScale, bool SimulatePhysics, float DamageMultiplier, bool IsCriticalOrgan, float BloodAmount);
+
+    /**
+     * Apply a wound effect
+     * @param WoundSize - Size of the wound
+     * @param WoundDepth - Depth of the wound
+     * @param WoundMaterial - Material for the wound
+     * @param WoundEffect - Effect for the wound
+     * @param CreateDecal - Whether to create a decal
+     * @param DecalMaterial - Material for the decal
+     * @param DecalSize - Size of the decal
+     * @param DecalLifetime - Lifetime of the decal
+     * @param AffectBoneHealth - Whether to affect bone health
+     * @param BoneDamage - Amount of bone damage
+     * @return True if the wound effect was applied successfully
+     */
+    bool ApplyWoundEffect(float WoundSize, float WoundDepth, UMaterialInterface* WoundMaterial, UNiagaraSystem* WoundEffect, bool CreateDecal, UMaterialInterface* DecalMaterial, float DecalSize, float DecalLifetime, bool AffectBoneHealth, float BoneDamage);
+
+private:
+    // The compiler containing the compiled graph
+    UPROPERTY()
+    TObjectPtr<UDismembermentCompiler> Compiler;
+
+    // The target actor
+    UPROPERTY()
+    TObjectPtr<AActor> TargetActor;
+
+    // The target skeletal mesh component
+    UPROPERTY()
+    TObjectPtr<USkeletalMeshComponent> TargetSkeletalMesh;
+
+    // Selected bones
+    UPROPERTY()
+    TArray<FName> SelectedBones;
+
+    // Find the target skeletal mesh component
+    bool FindTargetSkeletalMesh();
+
+    // Execute a node
+    bool ExecuteNode(int32 NodeIndex);
+};

Source/FLESHEditor/Public/DismembermentGraph/DismembermentGraph.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include "CoreMinimal.h"
+#include "EdGraph/EdGraph.h"
+#include "DismembermentGraph.generated.h"
+
+/**
+ * Dismemberment graph for visual logic design
+ * Allows for node-based editing of dismemberment system logic
+ */
+UCLASS()
+class FLESHEDITOR_API UDismembermentGraph : public UEdGraph
+{
+    GENERATED_BODY()
+
+public:
+    UDismembermentGraph();
+
+    // The asset that owns this graph
+    UPROPERTY()
+    class UDismembermentGraphAsset* OwningAsset;
+};

Source/FLESHEditor/Public/DismembermentGraph/DismembermentGraphEditor.h

@@ -0,0 +1,80 @@
+#pragma once
+
+#include "CoreMinimal.h"
+#include "Toolkits/AssetEditorToolkit.h"
+#include "GraphEditor.h"
+
+class UDismembermentGraphAsset;
+class UDismembermentGraph;
+class SDockTab;
+
+/**
+ * Dismemberment graph editor
+ * Provides a Mutable-like node editor for dismemberment system logic
+ */
+class FLESHEDITOR_API FDismembermentGraphEditor : public FAssetEditorToolkit
+{
+public:
+    FDismembermentGraphEditor();
+    virtual ~FDismembermentGraphEditor();
+
+    // Initialize the editor
+    void InitDismembermentGraphEditor(const EToolkitMode::Type Mode, const TSharedPtr<IToolkitHost>& InitToolkitHost, UDismembermentGraphAsset* InAsset);
+
+    // FAssetEditorToolkit interface
+    virtual void RegisterTabSpawners(const TSharedRef<FTabManager>& TabManager) override;
+    virtual void UnregisterTabSpawners(const TSharedRef<FTabManager>& TabManager) override;
+    virtual FName GetToolkitFName() const override;
+    virtual FText GetBaseToolkitName() const override;
+    virtual FString GetWorldCentricTabPrefix() const override;
+    virtual FLinearColor GetWorldCentricTabColorScale() const override;
+    // End of FAssetEditorToolkit interface
+
+    // Get the edited asset
+    UDismembermentGraphAsset* GetEditedAsset() const { return EditedAsset; }
+
+    // Get the graph editor widget
+    TSharedRef<SGraphEditor> GetGraphEditor() const { return GraphEditorWidget.ToSharedRef(); }
+
+private:
+    // The asset being edited
+    UDismembermentGraphAsset* EditedAsset;
+
+    // The graph editor widget
+    TSharedPtr<SGraphEditor> GraphEditorWidget;
+
+    // Tab spawners
+    TSharedRef<SDockTab> SpawnTab_GraphCanvas(const FSpawnTabArgs& Args);
+    TSharedRef<SDockTab> SpawnTab_Properties(const FSpawnTabArgs& Args);
+    TSharedRef<SDockTab> SpawnTab_Palette(const FSpawnTabArgs& Args);
+
+    // Create graph editor widget
+    TSharedRef<SGraphEditor> CreateGraphEditorWidget();
+
+    // Graph editor commands
+    void CreateCommandList();
+    TSharedPtr<FUICommandList> GraphEditorCommands;
+
+    // Command handlers
+    void SelectAllNodes();
+    void DeleteSelectedNodes();
+    void CutSelectedNodes();
+    void CopySelectedNodes();
+    void PasteNodes();
+    void DuplicateSelectedNodes();
+    
+    // Graph changed handler
+    void OnGraphChanged(const FEdGraphEditAction& Action);
+
+    // Node selection changed handler
+    void OnSelectedNodesChanged(const TSet<UObject*>& NewSelection);
+
+    // Compile the graph
+    void CompileGraph();
+
+    // Properties panel
+    TSharedPtr<class IDetailsView> PropertiesWidget;
+    
+    // Node palette
+    TSharedPtr<class SDismembermentGraphPalette> PaletteWidget;
+};

Source/FLESHEditor/Public/DismembermentGraph/DismembermentGraphEditorFactory.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include "CoreMinimal.h"
+#include "Factories/Factory.h"
+#include "DismembermentGraphEditorFactory.generated.h"
+
+/**
+ * Factory for creating dismemberment graph assets
+ */
+UCLASS()
+class FLESHEDITOR_API UDismembermentGraphEditorFactory : public UFactory
+{
+    GENERATED_BODY()
+
+public:
+    UDismembermentGraphEditorFactory();
+
+    // UFactory interface
+    virtual UObject* FactoryCreateNew(UClass* InClass, UObject* InParent, FName InName, EObjectFlags Flags, UObject* Context, FFeedbackContext* Warn) override;
+    virtual bool ShouldShowInNewMenu() const override;
+    // End of UFactory interface
+};

Source/FLESHEditor/Public/DismembermentGraph/DismembermentGraphNode.h

@@ -0,0 +1,43 @@
+#pragma once
+
+#include "CoreMinimal.h"
+#include "EdGraph/EdGraphNode.h"
+#include "DismembermentGraphNode.generated.h"
+
+/**
+ * Base class for all dismemberment graph nodes
+ */
+UCLASS()
+class FLESHEDITOR_API UDismembermentGraphNode : public UEdGraphNode
+{
+    GENERATED_BODY()
+
+public:
+    UDismembermentGraphNode();
+
+    // Node title color
+    UPROPERTY(EditAnywhere, Category = "Appearance")
+    FLinearColor NodeTitleColor;
+
+    // Node category
+    UPROPERTY(EditAnywhere, Category = "Category")
+    FText NodeCategory;
+
+    // Node description
+    UPROPERTY(EditAnywhere, Category = "Description")
+    FText NodeDescription;
+
+    // UEdGraphNode interface
+    virtual void AllocateDefaultPins() override;
+    virtual FText GetNodeTitle(ENodeTitleType::Type TitleType) const override;
+    virtual FLinearColor GetNodeTitleColor() const override;
+    virtual FText GetTooltipText() const override;
+    virtual FText GetMenuCategory() const override;
+    // End of UEdGraphNode interface
+
+    // Compile this node into executable logic
+    virtual void CompileNode(class FDismembermentCompiler* Compiler);
+
+    // Execute this node
+    virtual void ExecuteNode(class FDismembermentExecutor* Executor);
+};

Source/FLESHEditor/Public/DismembermentGraph/DismembermentGraphNodeBloodEffect.h

@@ -0,0 +1,46 @@
+#pragma once
+
+#include "CoreMinimal.h"
+#include "DismembermentGraphNode.h"
+#include "DismembermentGraphNodeBloodEffect.generated.h"
+
+/**
+ * Node for creating blood effects in the dismemberment graph
+ */
+UCLASS()
+class FLESHEDITOR_API UDismembermentGraphNodeBloodEffect : public UDismembermentGraphNode
+{
+    GENERATED_BODY()
+
+public:
+    UDismembermentGraphNodeBloodEffect();
+
+    // Blood effect parameters
+    UPROPERTY(EditAnywhere, Category = "Blood Effect")
+    TObjectPtr<UNiagaraSystem> BloodEffect;
+
+    UPROPERTY(EditAnywhere, Category = "Blood Effect")
+    float BloodAmount;
+
+    UPROPERTY(EditAnywhere, Category = "Blood Effect")
+    float BloodPressure;
+
+    UPROPERTY(EditAnywhere, Category = "Blood Effect")
+    bool bCreateBloodPool;
+
+    UPROPERTY(EditAnywhere, Category = "Blood Effect", meta = (EditCondition = "bCreateBloodPool"))
+    float BloodPoolSize;
+
+    UPROPERTY(EditAnywhere, Category = "Blood Effect", meta = (EditCondition = "bCreateBloodPool"))
+    TObjectPtr<UMaterialInterface> BloodPoolMaterial;
+
+    // UEdGraphNode interface
+    virtual void AllocateDefaultPins() override;
+    virtual FText GetNodeTitle(ENodeTitleType::Type TitleType) const override;
+    // End of UEdGraphNode interface
+
+    // UDismembermentGraphNode interface
+    virtual void CompileNode(class FDismembermentCompiler* Compiler) override;
+    virtual void ExecuteNode(class FDismembermentExecutor* Executor) override;
+    // End of UDismembermentGraphNode interface
+};

Source/FLESHEditor/Public/DismembermentGraph/DismembermentGraphNodeBoneSelect.h

@@ -0,0 +1,40 @@
+#pragma once
+
+#include "CoreMinimal.h"
+#include "DismembermentGraphNode.h"
+#include "DismembermentGraphNodeBoneSelect.generated.h"
+
+/**
+ * Node for selecting bones in the dismemberment graph
+ */
+UCLASS()
+class FLESHEDITOR_API UDismembermentGraphNodeBoneSelect : public UDismembermentGraphNode
+{
+    GENERATED_BODY()
+
+public:
+    UDismembermentGraphNodeBoneSelect();
+
+    // Bone selection parameters
+    UPROPERTY(EditAnywhere, Category = "Bone Selection")
+    TArray<FName> BoneNames;
+
+    UPROPERTY(EditAnywhere, Category = "Bone Selection")
+    bool bUseRegex;
+
+    UPROPERTY(EditAnywhere, Category = "Bone Selection", meta = (EditCondition = "bUseRegex"))
+    FString BoneNamePattern;
+
+    UPROPERTY(EditAnywhere, Category = "Bone Selection")
+    bool bIncludeChildren;
+
+    // UEdGraphNode interface
+    virtual void AllocateDefaultPins() override;
+    virtual FText GetNodeTitle(ENodeTitleType::Type TitleType) const override;
+    // End of UEdGraphNode interface
+
+    // UDismembermentGraphNode interface
+    virtual void CompileNode(class FDismembermentCompiler* Compiler) override;
+    virtual void ExecuteNode(class FDismembermentExecutor* Executor) override;
+    // End of UDismembermentGraphNode interface
+};

Source/FLESHEditor/Public/DismembermentGraph/DismembermentGraphNodeCut.h

@@ -0,0 +1,40 @@
+#pragma once
+
+#include "CoreMinimal.h"
+#include "DismembermentGraphNode.h"
+#include "DismembermentGraphNodeCut.generated.h"
+
+/**
+ * Node for performing a cut operation in the dismemberment graph
+ */
+UCLASS()
+class FLESHEDITOR_API UDismembermentGraphNodeCut : public UDismembermentGraphNode
+{
+    GENERATED_BODY()
+
+public:
+    UDismembermentGraphNodeCut();
+
+    // Cut parameters
+    UPROPERTY(EditAnywhere, Category = "Cut Parameters")
+    float CutWidth;
+
+    UPROPERTY(EditAnywhere, Category = "Cut Parameters")
+    float CutDepth;
+
+    UPROPERTY(EditAnywhere, Category = "Cut Parameters")
+    bool bUseCustomMaterial;
+
+    UPROPERTY(EditAnywhere, Category = "Cut Parameters", meta = (EditCondition = "bUseCustomMaterial"))
+    TObjectPtr<UMaterialInterface> CustomCutMaterial;
+
+    // UEdGraphNode interface
+    virtual void AllocateDefaultPins() override;
+    virtual FText GetNodeTitle(ENodeTitleType::Type TitleType) const override;
+    // End of UEdGraphNode interface
+
+    // UDismembermentGraphNode interface
+    virtual void CompileNode(class FDismembermentCompiler* Compiler) override;
+    virtual void ExecuteNode(class FDismembermentExecutor* Executor) override;
+    // End of UDismembermentGraphNode interface
+};

Source/FLESHEditor/Public/DismembermentGraph/DismembermentGraphNodeOrgan.h

@@ -0,0 +1,58 @@
+#pragma once
+
+#include "CoreMinimal.h"
+#include "DismembermentGraphNode.h"
+#include "DismembermentGraphNodeOrgan.generated.h"
+
+/**
+ * Node for organ simulation in the dismemberment graph
+ */
+UCLASS()
+class FLESHEDITOR_API UDismembermentGraphNodeOrgan : public UDismembermentGraphNode
+{
+    GENERATED_BODY()
+
+public:
+    UDismembermentGraphNodeOrgan();
+
+    // Organ parameters
+    UPROPERTY(EditAnywhere, Category = "Organ Parameters")
+    TObjectPtr<UStaticMesh> OrganMesh;
+
+    UPROPERTY(EditAnywhere, Category = "Organ Parameters")
+    TObjectPtr<UMaterialInterface> OrganMaterial;
+
+    UPROPERTY(EditAnywhere, Category = "Organ Parameters")
+    FName AttachBoneName;
+
+    UPROPERTY(EditAnywhere, Category = "Organ Parameters")
+    FVector RelativeLocation;
+
+    UPROPERTY(EditAnywhere, Category = "Organ Parameters")
+    FRotator RelativeRotation;
+
+    UPROPERTY(EditAnywhere, Category = "Organ Parameters")
+    FVector RelativeScale;
+
+    UPROPERTY(EditAnywhere, Category = "Organ Parameters")
+    bool bSimulatePhysics;
+
+    UPROPERTY(EditAnywhere, Category = "Organ Parameters")
+    float DamageMultiplier;
+
+    UPROPERTY(EditAnywhere, Category = "Organ Parameters")
+    bool bIsCriticalOrgan;
+
+    UPROPERTY(EditAnywhere, Category = "Organ Parameters")
+    float BloodAmount;
+
+    // UEdGraphNode interface
+    virtual void AllocateDefaultPins() override;
+    virtual FText GetNodeTitle(ENodeTitleType::Type TitleType) const override;
+    // End of UEdGraphNode interface
+
+    // UDismembermentGraphNode interface
+    virtual void CompileNode(class FDismembermentCompiler* Compiler) override;
+    virtual void ExecuteNode(class FDismembermentExecutor* Executor) override;
+    // End of UDismembermentGraphNode interface
+};

Source/FLESHEditor/Public/DismembermentGraph/DismembermentGraphNodePhysics.h

@@ -0,0 +1,55 @@
+#pragma once
+
+#include "CoreMinimal.h"
+#include "DismembermentGraphNode.h"
+#include "DismembermentGraphNodePhysics.generated.h"
+
+/**
+ * Node for physics simulation in the dismemberment graph
+ */
+UCLASS()
+class FLESHEDITOR_API UDismembermentGraphNodePhysics : public UDismembermentGraphNode
+{
+    GENERATED_BODY()
+
+public:
+    UDismembermentGraphNodePhysics();
+
+    // Physics parameters
+    UPROPERTY(EditAnywhere, Category = "Physics Parameters")
+    float Mass;
+
+    UPROPERTY(EditAnywhere, Category = "Physics Parameters")
+    float LinearDamping;
+
+    UPROPERTY(EditAnywhere, Category = "Physics Parameters")
+    float AngularDamping;
+
+    UPROPERTY(EditAnywhere, Category = "Physics Parameters")
+    bool bEnableGravity;
+
+    UPROPERTY(EditAnywhere, Category = "Physics Parameters")
+    bool bSimulatePhysics;
+
+    UPROPERTY(EditAnywhere, Category = "Physics Parameters")
+    bool bGenerateOverlapEvents;
+
+    UPROPERTY(EditAnywhere, Category = "Physics Parameters")
+    TObjectPtr<UPhysicalMaterial> PhysicalMaterial;
+
+    UPROPERTY(EditAnywhere, Category = "Physics Parameters")
+    float ImpulseForce;
+
+    UPROPERTY(EditAnywhere, Category = "Physics Parameters")
+    float ImpulseRadius;
+
+    // UEdGraphNode interface
+    virtual void AllocateDefaultPins() override;
+    virtual FText GetNodeTitle(ENodeTitleType::Type TitleType) const override;
+    // End of UEdGraphNode interface
+
+    // UDismembermentGraphNode interface
+    virtual void CompileNode(class FDismembermentCompiler* Compiler) override;
+    virtual void ExecuteNode(class FDismembermentExecutor* Executor) override;
+    // End of UDismembermentGraphNode interface
+};

Source/FLESHEditor/Public/DismembermentGraph/DismembermentGraphNodeWound.h

@@ -0,0 +1,58 @@
+#pragma once
+
+#include "CoreMinimal.h"
+#include "DismembermentGraphNode.h"
+#include "DismembermentGraphNodeWound.generated.h"
+
+/**
+ * Node for wound effects in the dismemberment graph
+ */
+UCLASS()
+class FLESHEDITOR_API UDismembermentGraphNodeWound : public UDismembermentGraphNode
+{
+    GENERATED_BODY()
+
+public:
+    UDismembermentGraphNodeWound();
+
+    // Wound parameters
+    UPROPERTY(EditAnywhere, Category = "Wound Parameters")
+    float WoundSize;
+
+    UPROPERTY(EditAnywhere, Category = "Wound Parameters")
+    float WoundDepth;
+
+    UPROPERTY(EditAnywhere, Category = "Wound Parameters")
+    TObjectPtr<UMaterialInterface> WoundMaterial;
+
+    UPROPERTY(EditAnywhere, Category = "Wound Parameters")
+    TObjectPtr<UNiagaraSystem> WoundEffect;
+
+    UPROPERTY(EditAnywhere, Category = "Wound Parameters")
+    bool bCreateDecal;
+
+    UPROPERTY(EditAnywhere, Category = "Wound Parameters", meta = (EditCondition = "bCreateDecal"))
+    TObjectPtr<UMaterialInterface> DecalMaterial;
+
+    UPROPERTY(EditAnywhere, Category = "Wound Parameters", meta = (EditCondition = "bCreateDecal"))
+    float DecalSize;
+
+    UPROPERTY(EditAnywhere, Category = "Wound Parameters", meta = (EditCondition = "bCreateDecal"))
+    float DecalLifetime;
+
+    UPROPERTY(EditAnywhere, Category = "Wound Parameters")
+    bool bAffectBoneHealth;
+
+    UPROPERTY(EditAnywhere, Category = "Wound Parameters", meta = (EditCondition = "bAffectBoneHealth"))
+    float BoneDamage;
+
+    // UEdGraphNode interface
+    virtual void AllocateDefaultPins() override;
+    virtual FText GetNodeTitle(ENodeTitleType::Type TitleType) const override;
+    // End of UEdGraphNode interface
+
+    // UDismembermentGraphNode interface
+    virtual void CompileNode(class FDismembermentCompiler* Compiler) override;
+    virtual void ExecuteNode(class FDismembermentExecutor* Executor) override;
+    // End of UDismembermentGraphNode interface
+};

Source/FLESHEditor/Public/DismembermentGraph/DismembermentGraphPalette.h

@@ -0,0 +1,84 @@
+#pragma once
+
+#include "CoreMinimal.h"
+#include "Widgets/SCompoundWidget.h"
+#include "Widgets/Views/STableRow.h"
+#include "Widgets/Views/STreeView.h"
+
+class FDismembermentGraphEditor;
+
+/**
+ * Node category structure for the palette
+ */
+struct FDismembermentGraphNodeCategory
+{
+    // Category name
+    FText CategoryName;
+
+    // Child nodes
+    TArray<TSharedPtr<FDismembermentGraphNodeCategory>> Children;
+
+    // Node classes in this category
+    TArray<UClass*> NodeClasses;
+
+    // Constructor
+    FDismembermentGraphNodeCategory(const FText& InCategoryName)
+        : CategoryName(InCategoryName)
+    {
+    }
+};
+
+/**
+ * Node palette widget for the dismemberment graph editor
+ */
+class FLESHEDITOR_API SDismembermentGraphPalette : public SCompoundWidget
+{
+public:
+    SLATE_BEGIN_ARGS(SDismembermentGraphPalette) {}
+    SLATE_END_ARGS()
+
+    void Construct(const FArguments& InArgs, TSharedPtr<FDismembermentGraphEditor> InGraphEditor);
+
+private:
+    // The graph editor that owns this palette
+    TWeakPtr<FDismembermentGraphEditor> GraphEditor;
+
+    // Root categories
+    TArray<TSharedPtr<FDismembermentGraphNodeCategory>> RootCategories;
+
+    // Tree view widget
+    TSharedPtr<STreeView<TSharedPtr<FDismembermentGraphNodeCategory>>> CategoriesTreeView;
+
+    // Search box widget
+    TSharedPtr<class SSearchBox> SearchBox;
+
+    // Search filter
+    TSharedPtr<class FDismembermentGraphNodeSearchFilter> SearchFilter;
+
+    // Initialize the palette
+    void InitializePalette();
+
+    // Create a category tree item
+    TSharedRef<ITableRow> OnGenerateCategoryRow(TSharedPtr<FDismembermentGraphNodeCategory> Category, const TSharedRef<STableViewBase>& OwnerTable);
+
+    // Get child categories
+    void OnGetCategoryChildren(TSharedPtr<FDismembermentGraphNodeCategory> Category, TArray<TSharedPtr<FDismembermentGraphNodeCategory>>& OutChildren);
+
+    // Category is expanded
+    void OnCategoryExpansionChanged(TSharedPtr<FDismembermentGraphNodeCategory> Category, bool bExpanded);
+
+    // Search text changed
+    void OnSearchTextChanged(const FText& InFilterText);
+
+    // Create a node from the palette
+    FReply OnCreateNode(UClass* NodeClass, const FVector2D& ScreenPosition, const FVector2D& GraphPosition);
+
+    // Handle drag detected
+    FReply OnDragDetected(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent, UClass* NodeClass);
+
+    // Create default categories
+    void CreateDefaultCategories();
+
+    // Add a node class to the palette
+    void AddNodeClassToCategory(UClass* NodeClass, const FText& CategoryName);
+};

Source/FLESHEditor/Public/DismembermentGraph/DismembermentGraphSchema.h

@@ -0,0 +1,168 @@
+#pragma once
+
+#include "CoreMinimal.h"
+#include "EdGraph/EdGraphSchema.h"
+#include "DismembermentGraphSchema.generated.h"
+
+class UDismembermentGraphNode;
+
+/**
+ * Connection response
+ */
+USTRUCT()
+struct FDismembermentGraphConnectionResponse
+{
+    GENERATED_BODY()
+
+    // Response type
+    UPROPERTY()
+    int32 Response;
+
+    // Response text
+    UPROPERTY()
+    FText Message;
+
+    // Pin names that would be broken
+    UPROPERTY()
+    TArray<FText> BreakingPins;
+
+    // Constructor
+    FDismembermentGraphConnectionResponse()
+        : Response(0)
+    {
+    }
+};
+
+/**
+ * Connection response types
+ */
+struct FDismembermentGraphConnectionResponse_K2
+{
+    enum Type
+    {
+        // No error
+        OK = 0,
+        // Generic error
+        ERROR_INCOMPATIBLE = 1,
+        // Disallowed pin connection
+        ERROR_DISALLOWED = 2,
+        // Self-connection not allowed
+        ERROR_SELF_CONNECTION = 3,
+        // Cycle not allowed
+        ERROR_CYCLE = 4
+    };
+};
+
+/**
+ * Pin type
+ */
+USTRUCT()
+struct FDismembermentGraphPinType
+{
+    GENERATED_BODY()
+
+    // Pin category
+    UPROPERTY()
+    FName PinCategory;
+
+    // Constructor
+    FDismembermentGraphPinType()
+    {
+    }
+
+    // Constructor with category
+    FDismembermentGraphPinType(const FName& InPinCategory)
+        : PinCategory(InPinCategory)
+    {
+    }
+
+    // Equality operator
+    bool operator==(const FDismembermentGraphPinType& Other) const
+    {
+        return PinCategory == Other.PinCategory;
+    }
+
+    // Inequality operator
+    bool operator!=(const FDismembermentGraphPinType& Other) const
+    {
+        return !(*this == Other);
+    }
+};
+
+/**
+ * Dismemberment graph schema
+ */
+UCLASS()
+class FLESHEDITOR_API UDismembermentGraphSchema : public UEdGraphSchema
+{
+    GENERATED_BODY()
+
+public:
+    // Pin categories
+    static const FName PC_Exec;
+    static const FName PC_Bone;
+    static const FName PC_Cut;
+    static const FName PC_Blood;
+    static const FName PC_Physics;
+    static const FName PC_Organ;
+    static const FName PC_Wound;
+
+    // UEdGraphSchema interface
+    virtual void GetGraphContextActions(FGraphContextMenuBuilder& ContextMenuBuilder) const override;
+    virtual void GetContextMenuActions(UToolMenu* Menu, UGraphNodeContextMenuContext* Context) const override;
+    virtual const FPinConnectionResponse CanCreateConnection(const UEdGraphPin* A, const UEdGraphPin* B) const override;
+    virtual bool TryCreateConnection(UEdGraphPin* A, UEdGraphPin* B) const override;
+    virtual bool ShouldHidePinDefaultValue(UEdGraphPin* Pin) const override;
+    virtual FLinearColor GetPinTypeColor(const FEdGraphPinType& PinType) const override;
+    virtual void BreakNodeLinks(UEdGraphNode& TargetNode) const override;
+    virtual void BreakPinLinks(UEdGraphPin& TargetPin, bool bSendsNodeNotification) const override;
+    virtual void BreakSinglePinLink(UEdGraphPin* SourcePin, UEdGraphPin* TargetPin) const override;
+    virtual void DroppedAssetsOnGraph(const TArray<FAssetData>& Assets, const FVector2D& GraphPosition, UEdGraph* Graph) const override;
+    virtual void DroppedAssetsOnNode(const TArray<FAssetData>& Assets, const FVector2D& GraphPosition, UEdGraphNode* Node) const override;
+    virtual void DroppedAssetsOnPin(const TArray<FAssetData>& Assets, const FVector2D& GraphPosition, UEdGraphPin* Pin) const override;
+    virtual void GetAssetsNodeHoverMessage(const TArray<FAssetData>& Assets, const UEdGraphNode* HoverNode, FString& OutTooltipText, bool& OutOkIcon) const override;
+    virtual void GetAssetsPinHoverMessage(const TArray<FAssetData>& Assets, const UEdGraphPin* HoverPin, FString& OutTooltipText, bool& OutOkIcon) const override;
+    // End of UEdGraphSchema interface
+
+    /**
+     * Check if two pins can be connected
+     * @param PinA - First pin
+     * @param PinB - Second pin
+     * @param OutResponse - Connection response
+     * @return True if the pins can be connected
+     */
+    bool CanConnectPins(const UEdGraphPin* PinA, const UEdGraphPin* PinB, FDismembermentGraphConnectionResponse& OutResponse) const;
+
+    /**
+     * Check if connecting two pins would create a cycle
+     * @param PinA - First pin
+     * @param PinB - Second pin
+     * @return True if connecting the pins would create a cycle
+     */
+    bool WouldCreateCycle(const UEdGraphPin* PinA, const UEdGraphPin* PinB) const;
+
+    /**
+     * Get the pin type from a pin
+     * @param Pin - The pin to get the type from
+     * @return The pin type
+     */
+    static FDismembermentGraphPinType GetPinType(const UEdGraphPin* Pin);
+
+    /**
+     * Get the pin type color
+     * @param PinType - The pin type
+     * @return The pin color
+     */
+    static FLinearColor GetPinTypeColor(const FDismembermentGraphPinType& PinType);
+
+    /**
+     * Create a new node
+     * @param NodeClass - Class of the node to create
+     * @param ParentGraph - Graph to create the node in
+     * @param NodePosX - X position of the node
+     * @param NodePosY - Y position of the node
+     * @param bSelectNewNode - Whether to select the new node
+     * @return The created node
+     */
+    static UDismembermentGraphNode* CreateNode(TSubclassOf<UDismembermentGraphNode> NodeClass, UEdGraph* ParentGraph, float NodePosX, float NodePosY, bool bSelectNewNode = true);
+};

Source/FLESHEditor/Public/DismembermentGraph/DismembermentPreviewManager.h

@@ -0,0 +1,167 @@
+#pragma once
+
+#include "CoreMinimal.h"
+#include "UObject/NoExportTypes.h"
+#include "DismembermentPreviewManager.generated.h"
+
+// Add a log category declaration
+DECLARE_LOG_CATEGORY_EXTERN(LogFLESHPreview, Log, All);
+
+class UDismembermentGraphNode;
+class USkeletalMeshComponent;
+class AActor;
+class UWorld;
+class UNiagaraComponent;
+class UDecalComponent;
+class UStaticMeshComponent;
+
+/**
+ * Preview manager for dismemberment effects
+ * Handles real-time preview of dismemberment nodes
+ */
+UCLASS()
+class FLESHEDITOR_API UDismembermentPreviewManager : public UObject
+{
+    GENERATED_BODY()
+
+public:
+    // Constructor
+    UDismembermentPreviewManager();
+
+    /**
+     * Initialize the preview manager
+     * @param InWorld - The world to create the preview in
+     */
+    void Initialize(TObjectPtr<UWorld> InWorld);
+
+    /**
+     * Clean up the preview manager
+     */
+    void Cleanup();
+
+    /**
+     * Set the target actor for preview
+     * @param InActor - The actor to preview on
+     */
+    void SetTargetActor(TObjectPtr<AActor> InActor);
+
+    /**
+     * Preview a node
+     * @param Node - The node to preview
+     * @return True if the preview was successful
+     */
+    bool PreviewNode(TObjectPtr<UDismembermentGraphNode> Node);
+
+    /**
+     * Clear the current preview
+     */
+    void ClearPreview();
+
+    /**
+     * Update the preview
+     * @param DeltaTime - Time since last update
+     */
+    void Tick(float DeltaTime);
+
+    /**
+     * Get the target actor
+     * @return The target actor
+     */
+    TObjectPtr<AActor> GetTargetActor() const { return TargetActor; }
+
+    /**
+     * Get the target skeletal mesh component
+     * @return The target skeletal mesh component
+     */
+    TObjectPtr<USkeletalMeshComponent> GetTargetSkeletalMesh() const { return TargetSkeletalMesh; }
+
+private:
+    // The world to create the preview in
+    UPROPERTY()
+    TObjectPtr<UWorld> World;
+
+    // The target actor
+    UPROPERTY()
+    TObjectPtr<AActor> TargetActor;
+
+    // The target skeletal mesh component
+    UPROPERTY()
+    TObjectPtr<USkeletalMeshComponent> TargetSkeletalMesh;
+
+    // The currently previewed node
+    UPROPERTY()
+    TObjectPtr<UDismembermentGraphNode> PreviewedNode;
+
+    // Preview components
+    UPROPERTY()
+    TArray<TObjectPtr<UNiagaraComponent>> PreviewNiagaraComponents;
+
+    UPROPERTY()
+    TArray<TObjectPtr<UDecalComponent>> PreviewDecalComponents;
+
+    UPROPERTY()
+    TArray<TObjectPtr<UStaticMeshComponent>> PreviewStaticMeshComponents;
+
+    // Preview cut plane mesh
+    UPROPERTY()
+    TObjectPtr<UStaticMeshComponent> PreviewCutPlaneMesh;
+
+    // Preview bone selections
+    UPROPERTY()
+    TArray<FName> PreviewBoneSelections;
+
+    // Preview cut locations
+    UPROPERTY()
+    TArray<FTransform> PreviewCutTransforms;
+
+    // Preview blood effect locations
+    UPROPERTY()
+    TArray<FTransform> PreviewBloodEffectTransforms;
+
+    // Preview organ locations
+    UPROPERTY()
+    TArray<FTransform> PreviewOrganTransforms;
+
+    // Preview wound locations
+    UPROPERTY()
+    TArray<FTransform> PreviewWoundTransforms;
+
+    // Find the target skeletal mesh component
+    bool FindTargetSkeletalMesh();
+
+    // Preview a cut node
+    bool PreviewCutNode(TObjectPtr<class UDismembermentGraphNodeCut> CutNode);
+
+    // Preview a bone select node
+    bool PreviewBoneSelectNode(TObjectPtr<class UDismembermentGraphNodeBoneSelect> BoneSelectNode);
+
+    // Preview a blood effect node
+    bool PreviewBloodEffectNode(TObjectPtr<class UDismembermentGraphNodeBloodEffect> BloodEffectNode);
+
+    // Preview a physics node
+    bool PreviewPhysicsNode(TObjectPtr<class UDismembermentGraphNodePhysics> PhysicsNode);
+
+    // Preview an organ node
+    bool PreviewOrganNode(TObjectPtr<class UDismembermentGraphNodeOrgan> OrganNode);
+
+    // Preview a wound node
+    bool PreviewWoundNode(TObjectPtr<class UDismembermentGraphNodeWound> WoundNode);
+
+    // Create a preview cut plane mesh
+    TObjectPtr<UStaticMeshComponent> CreatePreviewCutPlaneMesh(const FVector& Location, const FVector& Direction, float Width, float Depth, UMaterialInterface* Material);
+
+    // Create a preview blood effect
+    TObjectPtr<UNiagaraComponent> CreatePreviewBloodEffect(const FVector& Location, UNiagaraSystem* BloodEffect, float BloodAmount, float BloodPressure);
+
+    // Create a preview blood pool
+    TObjectPtr<UDecalComponent> CreatePreviewBloodPool(const FVector& Location, float Size, UMaterialInterface* Material);
+
+    // Create a preview organ
+    TObjectPtr<UStaticMeshComponent> CreatePreviewOrgan(UStaticMesh* OrganMesh, UMaterialInterface* OrganMaterial, const FName& AttachBoneName, const FVector& RelativeLocation, const FRotator& RelativeRotation, const FVector& RelativeScale);
+
+    // Create a preview wound
+    TObjectPtr<UDecalComponent> CreatePreviewWound(const FVector& Location, float Size, UMaterialInterface* Material);
+
+    // Clear all preview components
+    void ClearPreviewComponents();
+};

Source/FLESHEditor/Public/DismembermentGraph/SDismembermentGraphNode.h

@@ -0,0 +1,68 @@
+#pragma once
+
+#include "CoreMinimal.h"
+#include "SGraphNode.h"
+
+class UDismembermentGraphNode;
+
+/**
+ * Visual representation of a dismemberment graph node
+ */
+class FLESHEDITOR_API SDismembermentGraphNode : public SGraphNode
+{
+public:
+    SLATE_BEGIN_ARGS(SDismembermentGraphNode) {}
+    SLATE_END_ARGS()
+
+    void Construct(const FArguments& InArgs, UEdGraphNode* InNode);
+
+    // SGraphNode interface
+    virtual void UpdateGraphNode() override;
+    virtual void CreatePinWidgets() override;
+    virtual void AddPin(const TSharedRef<SGraphPin>& PinToAdd) override;
+    virtual TSharedPtr<SToolTip> GetComplexTooltip() override;
+    virtual FReply OnMouseButtonDown(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent) override;
+    virtual FReply OnMouseButtonUp(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent) override;
+    virtual FReply OnMouseMove(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent) override;
+    virtual void OnMouseEnter(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent) override;
+    virtual void OnMouseLeave(const FPointerEvent& MouseEvent) override;
+    // End of SGraphNode interface
+
+protected:
+    // Get the dismemberment graph node
+    UDismembermentGraphNode* GetDismembermentGraphNode() const;
+
+    // Get the node title widget
+    TSharedRef<SWidget> GetNodeTitleWidget();
+
+    // Get the node body widget
+    TSharedRef<SWidget> GetNodeBodyWidget();
+
+    // Get the node preview widget
+    TSharedRef<SWidget> GetNodePreviewWidget();
+
+    // Node color
+    FSlateColor GetNodeColor() const;
+
+    // Node title color
+    FSlateColor GetNodeTitleColor() const;
+
+    // Node title text
+    FText GetNodeTitle() const;
+
+    // Node category text
+    FText GetNodeCategory() const;
+
+    // Node description text
+    FText GetNodeDescription() const;
+
+    // Is the node selected
+    bool IsNodeSelected() const;
+
+    // Is the node hovered
+    bool IsNodeHovered() const;
+
+private:
+    // Is the node hovered
+    bool bIsHovered;
+};

Source/FLESHEditor/Public/DismembermentGraph/SDismembermentPreviewViewport.h

@@ -0,0 +1,120 @@
+#pragma once
+
+#include "CoreMinimal.h"
+#include "Widgets/SCompoundWidget.h"
+#include "EditorViewportClient.h"
+#include "SEditorViewport.h"
+
+class UDismembermentPreviewManager;
+class USkeletalMesh;
+class AActor;
+class FPreviewScene;
+class SDismembermentPreviewViewportClient;
+
+/**
+ * Viewport for previewing dismemberment effects
+ */
+class FLESHEDITOR_API SDismembermentPreviewViewport : public SEditorViewport
+{
+public:
+    SLATE_BEGIN_ARGS(SDismembermentPreviewViewport)
+    {}
+    SLATE_END_ARGS()
+
+    /**
+     * Constructs the viewport widget
+     */
+    void Construct(const FArguments& InArgs);
+
+    /**
+     * Destructor
+     */
+    virtual ~SDismembermentPreviewViewport();
+
+    /**
+     * Set the preview manager
+     * @param InPreviewManager - The preview manager to use
+     */
+    void SetPreviewManager(UDismembermentPreviewManager* InPreviewManager);
+
+    /**
+     * Set the preview skeletal mesh
+     * @param InSkeletalMesh - The skeletal mesh to preview
+     */
+    void SetPreviewSkeletalMesh(USkeletalMesh* InSkeletalMesh);
+
+    /**
+     * Get the preview actor
+     * @return The preview actor
+     */
+    AActor* GetPreviewActor() const;
+
+    /**
+     * Refresh the viewport
+     */
+    void RefreshViewport();
+
+protected:
+    // SEditorViewport interface
+    virtual TSharedRef<FEditorViewportClient> MakeEditorViewportClient() override;
+    virtual void OnFocusViewportToSelection() override;
+    virtual bool IsVisible() const override;
+    // End of SEditorViewport interface
+
+private:
+    // The preview scene
+    TSharedPtr<FPreviewScene> PreviewScene;
+
+    // The viewport client
+    TSharedPtr<SDismembermentPreviewViewportClient> ViewportClient;
+
+    // The preview manager
+    TObjectPtr<UDismembermentPreviewManager> PreviewManager;
+
+    // The preview actor
+    TObjectPtr<AActor> PreviewActor;
+
+    // Create the preview actor
+    void CreatePreviewActor();
+
+    // Update the preview actor
+    void UpdatePreviewActor();
+};
+
+/**
+ * Viewport client for previewing dismemberment effects
+ */
+class SDismembermentPreviewViewportClient : public FEditorViewportClient
+{
+public:
+    /**
+     * Constructor
+     * @param InPreviewScene - The preview scene
+     * @param InViewportWidget - The viewport widget
+     */
+    SDismembermentPreviewViewportClient(FPreviewScene* InPreviewScene, const TWeakPtr<SDismembermentPreviewViewport>& InViewportWidget);
+
+    /**
+     * Destructor
+     */
+    virtual ~SDismembermentPreviewViewportClient();
+
+    // FEditorViewportClient interface
+    virtual void Tick(float DeltaSeconds) override;
+    virtual void Draw(const FSceneView* View, FPrimitiveDrawInterface* PDI) override;
+    virtual void DrawCanvas(FViewport& InViewport, FSceneView& View, FCanvas& Canvas) override;
+    // End of FEditorViewportClient interface
+
+    /**
+     * Set the preview manager
+     * @param InPreviewManager - The preview manager to use
+     */
+    void SetPreviewManager(UDismembermentPreviewManager* InPreviewManager);
+
+private:
+    // The viewport widget
+    TWeakPtr<SDismembermentPreviewViewport> ViewportWidget;
+
+    // The preview manager
+    TObjectPtr<UDismembermentPreviewManager> PreviewManager;
+};