添加DynamicIronBlock类，实现继承自ADynamicMeshActor的动态铁块

- 创建DynamicIronBlock类，支持动态Box网格生成
- 集成BVH加速结构用于快速空间查询
- 添加可配置的Box大小和细分参数
- 更新Build.cs添加GeometryScript相关依赖模块

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Source/BladeSmith/BladeSmith.Build.cs

@@ -6,7 +6,14 @@ public class BladeSmith : ModuleRules
 {
 	public BladeSmith(ReadOnlyTargetRules Target) : base(Target)
 	{
-		PrivateDependencyModuleNames.AddRange(new string[] { "GeometryScriptingCore" });
+		PrivateDependencyModuleNames.AddRange(new string[] {
+			"GeometryScriptingCore",
+			"GeometryFramework",
+			"DynamicMesh",
+			"GeometryCore",
+			"GeometryAlgorithms",
+			"ModelingComponents"
+		});
 		PCHUsage = PCHUsageMode.UseExplicitOrSharedPCHs;
 
 		// 如果你的模块类型是 Runtime 或 Gameplay 相关的，则添加这行：

Source/BladeSmith/DynamicIronBlock.cpp

@@ -0,0 +1,115 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#include "DynamicIronBlock.h"
+
+#include "Components/DynamicMeshComponent.h"
+#include "DynamicMesh/DynamicMesh3.h"
+#include "GeometryScript/MeshPrimitiveFunctions.h"
+#include "GeometryScript/MeshSpatialFunctions.h"
+#include "GeometryScript/MeshBasicEditFunctions.h"
+
+ADynamicIronBlock::ADynamicIronBlock()
+{
+	// 设置此 Actor 在每帧调用 Tick()
+	PrimaryActorTick.bCanEverTick = false;
+
+	// 设置默认的 Box 大小
+	BoxSize = FVector(100.0f, 100.0f, 100.0f);
+
+	// 设置 BVH 快速构建选项
+	bEnableFastBuild = true;
+}
+
+void ADynamicIronBlock::BeginPlay()
+{
+	Super::BeginPlay();
+}
+
+void ADynamicIronBlock::OnConstruction(const FTransform& Transform)
+{
+	Super::OnConstruction(Transform);
+
+	// 初始化 Box 网格
+	InitializeBoxMesh();
+}
+
+void ADynamicIronBlock::InitializeBoxMesh()
+{
+	// 获取 DynamicMeshComponent
+	UDynamicMeshComponent* DynMeshComp = GetDynamicMeshComponent();
+	if (!DynMeshComp)
+	{
+		UE_LOG(LogTemp, Error, TEXT("DynamicIronBlock: Failed to get DynamicMeshComponent"));
+		return;
+	}
+
+	// 获取 DynamicMesh
+	UDynamicMesh* DynMesh = DynMeshComp->GetDynamicMesh();
+	if (!DynMesh)
+	{
+		UE_LOG(LogTemp, Error, TEXT("DynamicIronBlock: Failed to get DynamicMesh"));
+		return;
+	}
+
+	// 清除现有网格
+	DynMesh->Reset();
+
+	// 设置 Box 的选项
+	FGeometryScriptPrimitiveOptions PrimitiveOptions;
+	PrimitiveOptions.PolygroupMode = EGeometryScriptPrimitivePolygroupMode::SingleGroup;
+	PrimitiveOptions.bFlipOrientation = false;
+
+	// 创建 Box 的变换
+	FTransform BoxTransform = FTransform::Identity;
+
+	// 添加 Box 到网格
+	UGeometryScriptLibrary_MeshPrimitiveFunctions::AppendBox(
+		DynMesh,
+		PrimitiveOptions,
+		BoxTransform,
+		BoxSize.X,
+		BoxSize.Y,
+		BoxSize.Z,
+		NumSubDivide.X, NumSubDivide.Y, NumSubDivide.Z  // X, Y, Z 轴的细分数
+	);
+
+	// 通知组件网格已更新
+	DynMeshComp->NotifyMeshUpdated();
+
+	// 生成 BVH
+	GenerateBVH();
+
+	UE_LOG(LogTemp, Log, TEXT("DynamicIronBlock: Box mesh initialized with size (%f, %f, %f)"),
+		BoxSize.X, BoxSize.Y, BoxSize.Z);
+}
+
+void ADynamicIronBlock::GenerateBVH()
+{
+	// 获取 DynamicMeshComponent
+	UDynamicMeshComponent* DynMeshComp = GetDynamicMeshComponent();
+	if (!DynMeshComp)
+	{
+		UE_LOG(LogTemp, Error, TEXT("DynamicIronBlock: Failed to get DynamicMeshComponent for BVH generation"));
+		return;
+	}
+
+	// 获取 DynamicMesh
+	UDynamicMesh* DynMesh = DynMeshComp->GetDynamicMesh();
+	if (!DynMesh)
+	{
+		UE_LOG(LogTemp, Error, TEXT("DynamicIronBlock: Failed to get DynamicMesh for BVH generation"));
+		return;
+	}
+
+	// 构建 BVH
+	FGeometryScriptDynamicMeshBVH BVH;
+	UGeometryScriptLibrary_MeshSpatial::BuildBVHForMesh(
+		DynMesh,
+		BVH
+	);
+
+	// 可选：重置碰撞
+	DynMeshComp->UpdateCollision();
+
+	UE_LOG(LogTemp, Log, TEXT("DynamicIronBlock: BVH generated successfully"));
+}

Source/BladeSmith/DynamicIronBlock.h

@@ -0,0 +1,49 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "DynamicMeshActor.h"
+#include "DynamicIronBlock.generated.h"
+
+/**
+ * 动态铁块Actor，继承自ADynamicMeshActor
+ * 用于模拟铁匠打铁游戏中的铁块，支持动态变形
+ */
+UCLASS()
+class BLADESMITH_API ADynamicIronBlock : public ADynamicMeshActor
+{
+	GENERATED_BODY()
+
+public:
+	// 构造函数
+	ADynamicIronBlock();
+
+	// Box的大小
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Iron Block")
+	FVector BoxSize = FVector(100.0f, 100.0f, 100.0f);
+	// Box的细分数
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Iron Block")
+	FVector NumSubDivide = FVector(1.0f, 1.0f, 1.0f);
+	// BVH参数
+	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Iron Block")
+	bool bEnableFastBuild;
+
+protected:
+	// 当游戏开始或生成时调用
+	virtual void BeginPlay() override;
+
+	// 初始化时调用，用于设置Box网格和BVH
+	virtual void OnConstruction(const FTransform& Transform) override;
+
+private:
+	/**
+	 * 创建Box网格并生成BVH
+	 */
+	void InitializeBoxMesh();
+
+	/**
+	 * 生成BVH加速结构
+	 */
+	void GenerateBVH();
+};