---
title: Untitled
date: 2024-11-05 16:57:23
excerpt: 
tags: 
rating: ⭐
---
# 前言
- StaticMesh:https://zhuanlan.zhihu.com/p/702589732
- 其他代码
	- [RuntimeStaticMeshImporter](https://github.com/RianeDev/RuntimeStaticMeshImporter)
	- [RuntimeMeshLoader](https://github.com/Chrizey91/RuntimeMeshLoader)
- [[Assimp & UProceduralMeshComponent实时载入StaticMesh]]
## 相关函数
```text
bool FSceneImporter::ProcessMeshData(FAssetData& MeshData)
UStaticMesh::BuildFromMeshDescription
```

```c++
FDatasmithMeshElementPayload MeshPayload;  
{  
    if (!Translator->LoadStaticMesh(MeshElement, MeshPayload))  
    {       // If mesh cannot be loaded, add scene's resource path if valid and retry  
       bool bSecondTrySucceeded = false;  
  
       if (FPaths::DirectoryExists(SceneElement->GetResourcePath()) && FPaths::IsRelative(MeshElement->GetFile()))  
       {          MeshElement->SetFile( *FPaths::Combine(SceneElement->GetResourcePath(), MeshElement->GetFile()) );  
          bSecondTrySucceeded = Translator->LoadStaticMesh(MeshElement, MeshPayload);  
       }  
       if (!bSecondTrySucceeded)  
       {          // #ueent_datasmithruntime: TODO : Update FAssetFactory  
          ActionCounter.Add(MeshData.Referencers.Num());  
          FAssetRegistry::UnregisteredAssetsData(StaticMesh, SceneKey, [](FAssetData& AssetData) -> void  
             {  
                AssetData.AddState(EAssetState::Completed);  
                AssetData.Object.Reset();  
             });  
          UE_LOG(LogDatasmithRuntime, Warning, TEXT("CreateStaticMesh: Loading file %s failed. Mesh element %s has not been imported"), MeshElement->GetFile(), MeshElement->GetLabel());  
  
          return true;  
       }    }}  
  
TArray< FMeshDescription >& MeshDescriptions = MeshPayload.LodMeshes;
```