温度到颜色处理

.claude/settings.local.json

@@ -9,7 +9,8 @@
       "Bash(git commit -m \"$(cat <<''EOF''\n实现DynamicIronBlock温度体素系统基础功能\n\n新增功能：\n- 添加FTemperatureVoxel结构体（温度、塑性系数、表面标志）\n- 实现自适应温度网格（5mm体素精度，基于BoxSize计算分辨率）\n- 实现三线性插值温度/塑性系数采样\n- 实现黑体辐射温度可视化（顶点颜色）\n- 添加HeatRegion蓝图测试函数\n- 添加OnHammerImpact锤击形变函数（体积守恒）\n\n技术细节：\n- Phase 1: CPU侧温度网格初始化，支持10cm-100cm+可变尺寸\n- Phase 3: 温度可视化系统（20°C灰色 → 1200°C白色）\n- 内存占用：30×30×30cm ≈ 1.7MB（60×60×60体素）\n\n待实现：Phase 2 GPU热传导计算\n\n🤖 Generated with [Claude Code](https://claude.com/claude-code)\n\nCo-Authored-By: Claude <noreply@anthropic.com>\nEOF\n)\")",
       "Bash(git commit:*)",
       "Bash(\"E:\\MiceCola\\work\\UE_5_6\\Engine\\Build\\BatchFiles\\Build.bat\" BladeSmithEditor Win64 Development -Project=\"C:\\MiceCola\\Indi\\BladeSmith\\BladeSmith.uproject\" -WaitMutex -FromMsBuild)",
-      "Bash(cmd /c:*)"
+      "Bash(cmd /c:*)",
+      "Bash(\"C:\\MiceCola\\Indi\\UE_5.6\\Engine\\Build\\BatchFiles\\Build.bat\" BladeSmithEditor Win64 Development \"-Project=C:\\MiceCola\\Indi\\BladeSmith\\BladeSmith.uproject\" -WaitMutex -FromMsBuild)"
     ],
     "deny": [],
     "ask": []

BladeSmith.sln.DotSettings.user

@@ -1,4 +1,5 @@
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+	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=657466D1_002D2409_002D3196_002D8BA9_002D4914CBD968CC_002Fdl_003ASource_003A_002E_002E_003F_002E_002E_003F_002E_002E_003FUE_005F5_002E6_003FEngine_003FSource_002Fd_003ARuntime_002Fd_003AEngine_002Fd_003APublic_002Fd_003AMaterials_002Ff_003AMaterialExpressionBlackBody_002Eh/@EntryIndexedValue">ForceIncluded</s:String>
 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003ADanyxuq_002Easm_002Fl_003AC_0021_003FUsers_003Fstarm_003FAppData_003FLocal_003FTemp_003FSandboxFiles_003FRewuwer_003FDanyxuq_002Easm/@EntryIndexedValue">ForceIncluded</s:String>
 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003ADycuvaq_002Easm_002Fl_003AC_0021_003FUsers_003Fstarm_003FAppData_003FLocal_003FTemp_003FSandboxFiles_003FWoqosub_003FDycuvaq_002Easm/@EntryIndexedValue">ForceIncluded</s:String>
 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003AFunction_002Eh_002Fl_003AD_0021_003FProgram_0020Files_003FEpic_0020Games_003FUE_005F5_002E6_003FEngine_003FSource_003FRuntime_003FCore_003FPublic_003FTemplates_003FFunction_002Eh/@EntryIndexedValue">ForceIncluded</s:String>

Source/BladeSmith/DynamicIronBlock.cpp

@@ -182,6 +182,16 @@ void ADynamicIronBlock::InitializeBoxMesh()
 	// 如果设置了材质，创建动态材质实例并应用
 	if (IronMaterial)
 	{
+		// 强制设置材质的Usage标志，确保支持顶点颜色
+		UMaterial* BaseMaterial = IronMaterial->GetMaterial();
+		if (BaseMaterial)
+		{
+			BaseMaterial->bUsedWithGeometryCollections = true;
+			BaseMaterial->bUsedWithSkeletalMesh = true;
+			BaseMaterial->bUsedWithStaticLighting = true;
+			UE_LOG(LogTemp, Warning, TEXT("DynamicIronBlock: Material usage flags set for vertex color support"));
+		}
+
 		DynamicMaterialInstance = UMaterialInstanceDynamic::Create(IronMaterial, this);
 		if (DynamicMaterialInstance)
 		{
@@ -190,6 +200,23 @@ void ADynamicIronBlock::InitializeBoxMesh()
 		}
 	}
 
+	// 确保DynamicMeshComponent启用顶点颜色渲染
+	DynMeshComp->SetEnableWireframeRenderPass(false);
+	DynMeshComp->bExplicitShowWireframe = false;
+
+	// 这些设置确保顶点颜色被正确传递到GPU
+	DynMeshComp->SetColorOverrideMode(EDynamicMeshComponentColorOverrideMode::None);
+
+	// // 强制启用顶点颜色渲染
+	// DynMeshComp->bDrawMeshCollisionIfComplex = false;
+	// DynMeshComp->bDrawMeshCollisionIfSimple = false;
+
+	// 设置渲染状态
+	DynMeshComp->SetRenderCustomDepth(false);
+	DynMeshComp->MarkRenderStateDirty();
+
+	UE_LOG(LogTemp, Warning, TEXT("DynamicIronBlock: DynamicMeshComponent rendering configured for vertex colors"));
+
 	// 通知组件网格已更新
 	DynMeshComp->NotifyMeshUpdated();
 
@@ -199,6 +226,13 @@ void ADynamicIronBlock::InitializeBoxMesh()
 	// 初始化温度网格
 	InitializeTemperatureGrid();
 
+	// 初始化顶点颜色（基于初始温度）
+	if (bEnableTemperatureSystem && TemperatureGrid.Num() > 0)
+	{
+		UpdateVertexColors();
+		UE_LOG(LogTemp, Log, TEXT("DynamicIronBlock: Initial vertex colors set based on ambient temperature"));
+	}
+
 	UE_LOG(LogTemp, Log, TEXT("DynamicIronBlock: Box mesh initialized with size (%f, %f, %f)"),
 		BoxSize.X, BoxSize.Y, BoxSize.Z);
 }
@@ -567,6 +601,9 @@ void ADynamicIronBlock::HeatRegion(FVector WorldCenter, float Radius, float Temp
 
 	// 更新材质温度参数以显示温度变化
 	UpdateMaterialTemperature();
+
+	// 更新顶点颜色（基于体素温度）
+	UpdateVertexColors();
 }
 
 float ADynamicIronBlock::SampleTemperatureAtPosition(const FVector& LocalPosition) const
@@ -771,6 +808,174 @@ void ADynamicIronBlock::UpdateMaterialTemperature()
 	}
 }
 
+void ADynamicIronBlock::UpdateVertexColors()
+{
+	if (!bEnableTemperatureSystem || TemperatureGrid.Num() == 0)
+	{
+		return;
+	}
+
+	// 获取 DynamicMeshComponent
+	UDynamicMeshComponent* DynMeshComp = GetDynamicMeshComponent();
+	if (!DynMeshComp)
+	{
+		UE_LOG(LogTemp, Warning, TEXT("DynamicIronBlock: Cannot update vertex colors, DynamicMeshComponent is null"));
+		return;
+	}
+
+	// 获取 DynamicMesh
+	UDynamicMesh* DynMesh = DynMeshComp->GetDynamicMesh();
+	if (!DynMesh)
+	{
+		UE_LOG(LogTemp, Warning, TEXT("DynamicIronBlock: Cannot update vertex colors, DynamicMesh is null"));
+		return;
+	}
+
+	// 修改网格以设置顶点颜色
+	DynMesh->EditMesh([&](FDynamicMesh3& EditMesh)
+	{
+		// 确保网格启用了顶点颜色属性
+		if (!EditMesh.HasVertexColors())
+		{
+			EditMesh.EnableVertexColors(FVector3f::Zero());  // 初始化为黑色
+		}
+
+		// 遍历所有顶点
+		int32 ColoredVertices = 0;
+		float MinTemp = FLT_MAX;
+		float MaxTemp = -FLT_MAX;
+		FVector3f FirstVertexColor = FVector3f::Zero();
+		float FirstVertexTemp = 0.0f;
+		FVector FirstVertexPos = FVector::ZeroVector;
+
+		for (int32 VertexID : EditMesh.VertexIndicesItr())
+		{
+			// 获取顶点位置（局部坐标）
+			FVector3d VertexPos = EditMesh.GetVertex(VertexID);
+			FVector VertexPosFloat(VertexPos.X, VertexPos.Y, VertexPos.Z);
+
+			// 采样该位置的温度
+			float Temperature = SampleTemperatureAtPosition(VertexPosFloat);
+
+			// 统计温度范围
+			MinTemp = FMath::Min(MinTemp, Temperature);
+			MaxTemp = FMath::Max(MaxTemp, Temperature);
+
+			// 将温度转换为黑体辐射颜色
+			FLinearColor TempColor = TemperatureToColor(Temperature);
+
+			// 设置顶点颜色（FDynamicMesh3使用FVector3f表示颜色，范围0-1）
+			FVector3f VertexColor = FVector3f(TempColor.R, TempColor.G, TempColor.B);
+			EditMesh.SetVertexColor(VertexID, VertexColor);
+
+			// 记录第一个顶点的信息用于调试
+			if (ColoredVertices == 0)
+			{
+				FirstVertexColor = VertexColor;
+				FirstVertexTemp = Temperature;
+				FirstVertexPos = VertexPosFloat;
+			}
+
+			++ColoredVertices;
+		}
+
+		UE_LOG(LogTemp, Warning, TEXT("=== UpdateVertexColors Debug Info ==="));
+		UE_LOG(LogTemp, Warning, TEXT("  Total vertices: %d"), ColoredVertices);
+		UE_LOG(LogTemp, Warning, TEXT("  Temperature range: %.1f°C - %.1f°C"), MinTemp, MaxTemp);
+		UE_LOG(LogTemp, Warning, TEXT("  First vertex: Pos=(%.1f, %.1f, %.1f), Temp=%.1f°C, Color=(%.3f, %.3f, %.3f)"),
+			FirstVertexPos.X, FirstVertexPos.Y, FirstVertexPos.Z,
+			FirstVertexTemp,
+			FirstVertexColor.X, FirstVertexColor.Y, FirstVertexColor.Z);
+	}, EDynamicMeshChangeType::GeneralEdit, EDynamicMeshAttributeChangeFlags::Unknown, false);
+
+	// 通知组件网格已更新
+	DynMeshComp->NotifyMeshUpdated();
+
+	// 强制刷新渲染状态以确保顶点颜色更新
+	DynMeshComp->MarkRenderStateDirty();
+	DynMeshComp->MarkRenderDynamicDataDirty();
+}
+
+void ADynamicIronBlock::DebugPrintVertexColors()
+{
+	UDynamicMeshComponent* DynMeshComp = GetDynamicMeshComponent();
+	if (!DynMeshComp)
+	{
+		UE_LOG(LogTemp, Error, TEXT("DynamicIronBlock: DynamicMeshComponent is null"));
+		return;
+	}
+
+	UDynamicMesh* DynMesh = DynMeshComp->GetDynamicMesh();
+	if (!DynMesh)
+	{
+		UE_LOG(LogTemp, Error, TEXT("DynamicIronBlock: DynamicMesh is null"));
+		return;
+	}
+
+	DynMesh->ProcessMesh([&](const FDynamicMesh3& ReadMesh)
+	{
+		bool bHasVertexColors = ReadMesh.HasVertexColors();
+		int32 VertexCount = ReadMesh.VertexCount();
+
+		UE_LOG(LogTemp, Warning, TEXT("========== Vertex Color Debug =========="));
+		UE_LOG(LogTemp, Warning, TEXT("Has Vertex Colors: %s"), bHasVertexColors ? TEXT("YES") : TEXT("NO"));
+		UE_LOG(LogTemp, Warning, TEXT("Total Vertices: %d"), VertexCount);
+
+		if (bHasVertexColors)
+		{
+			// 采样几个顶点的颜色
+			int32 SampleCount = FMath::Min(10, VertexCount);
+			UE_LOG(LogTemp, Warning, TEXT("Sampling first %d vertices:"), SampleCount);
+
+			int32 SampledCount = 0;
+			for (int32 VertexID : ReadMesh.VertexIndicesItr())
+			{
+				if (SampledCount >= SampleCount)
+					break;
+
+				FVector3d Pos = ReadMesh.GetVertex(VertexID);
+				FVector3f Color = ReadMesh.GetVertexColor(VertexID);
+
+				UE_LOG(LogTemp, Warning, TEXT("  Vertex[%d]: Pos=(%.1f, %.1f, %.1f), Color=(%.3f, %.3f, %.3f)"),
+					VertexID, Pos.X, Pos.Y, Pos.Z, Color.X, Color.Y, Color.Z);
+
+				SampledCount++;
+			}
+
+			// 统计颜色范围
+			FVector3f MinColor(FLT_MAX, FLT_MAX, FLT_MAX);
+			FVector3f MaxColor(-FLT_MAX, -FLT_MAX, -FLT_MAX);
+
+			for (int32 VertexID : ReadMesh.VertexIndicesItr())
+			{
+				FVector3f Color = ReadMesh.GetVertexColor(VertexID);
+				MinColor.X = FMath::Min(MinColor.X, Color.X);
+				MinColor.Y = FMath::Min(MinColor.Y, Color.Y);
+				MinColor.Z = FMath::Min(MinColor.Z, Color.Z);
+				MaxColor.X = FMath::Max(MaxColor.X, Color.X);
+				MaxColor.Y = FMath::Max(MaxColor.Y, Color.Y);
+				MaxColor.Z = FMath::Max(MaxColor.Z, Color.Z);
+			}
+
+			UE_LOG(LogTemp, Warning, TEXT("Color Range: Min=(%.3f, %.3f, %.3f), Max=(%.3f, %.3f, %.3f)"),
+				MinColor.X, MinColor.Y, MinColor.Z, MaxColor.X, MaxColor.Y, MaxColor.Z);
+		}
+		else
+		{
+			UE_LOG(LogTemp, Error, TEXT("Mesh does NOT have vertex colors! UpdateVertexColors may not be working."));
+		}
+
+		UE_LOG(LogTemp, Warning, TEXT("========================================"));
+	});
+
+	// 在屏幕上显示
+	if (GEngine)
+	{
+		GEngine->AddOnScreenDebugMessage(-1, 5.0f, FColor::Yellow,
+			TEXT("Vertex color debug info printed to log (check Output Log)"));
+	}
+}
+
 // ========== GPU缓冲区管理实现 ==========
 
 void ADynamicIronBlock::CreateGPUBuffers()
@@ -947,6 +1152,9 @@ void ADynamicIronBlock::DownloadTemperatureDataFromGPU()
 
 				// 更新材质温度参数以反映新的温度
 				UpdateMaterialTemperature();
+
+				// 更新顶点颜色（基于体素温度）
+				UpdateVertexColors();
 			});
 		});
 }

Source/BladeSmith/DynamicIronBlock.h

@@ -142,6 +142,12 @@ public:
 	UFUNCTION(BlueprintCallable, Category = "Hammer Impact")
 	void OnHammerImpact(FVector HitLocation, FVector HitNormal, float ImpactRadius, float ImpactDepth, float ImpactForce = 1.0f);
 
+	/**
+	 * 调试函数 - 输出顶点颜色信息到日志和屏幕
+	 */
+	UFUNCTION(BlueprintCallable, Category = "Temperature System|Debug")
+	void DebugPrintVertexColors();
+
 protected:
 	// 当游戏开始或生成时调用
 	virtual void BeginPlay() override;
@@ -267,6 +273,11 @@ private:
 	 */
 	void UpdateMaterialTemperature();
 
+	/**
+	 * 更新网格顶点颜色（基于每个顶点的温度体素采样）
+	 */
+	void UpdateVertexColors();
+
 	// ========== GPU计算系统（Phase 2） ==========
 
 	// GPU缓冲区（Ping-Pong双缓冲）