FLESH/Source/FLESHEditor/Public/DismembermentGraph/DismembermentExecutor.h

#pragma once

#include "CoreMinimal.h"
#include "UObject/NoExportTypes.h"
#include "DismembermentCompiler.h"
#include "NiagaraSystem.h"
#include "BooleanCutTool.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;
    
    // Boolean cut tool for mesh cutting operations
    UPROPERTY()
    TObjectPtr<UBooleanCutTool> CutTool;

    // Find the target skeletal mesh component
    bool FindTargetSkeletalMesh();

    // Execute a node
    bool ExecuteNode(int32 NodeIndex);
};