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  3. FDatasmithFBXFileImporter

FDatasmithFBXFileImporter

Imports an FBX file into the intermediate FBX scene representation

API > API/Plugins > API/Plugins/DatasmithFBXTranslator

References

   
Module DatasmithFBXTranslator
Header /Engine/Plugins/Enterprise/DatasmithFBXImporter/Source/DatasmithFBXTranslator/Public/DatasmithFBXFileImporter.h
Include #include "DatasmithFBXFileImporter.h"

Syntax

class FDatasmithFBXFileImporter

Remarks

Imports an FBX file into the intermediate FBX scene representation

Variables

  Type Name Description
Protected variable const FDatasmithImportBaseOptions * BaseOptions Basic options like whether to import geometry or materials at all
Protected variable bool bDisplayedTwoKeysWarning  
Protected variable TMap< int32, TArray< FDatasmithFBXSceneAnimCurve * > > ImportedAnimationCurves Stored imported AnimCurves by DSID, which is a specific value inserted into animation curves emitted from VRED at time OutScene->TagTime.
Protected variable TMap< FbxSurfaceMaterial *, TSharedPtr< FDatasmithFBXSceneMaterial > > ImportedMaterials Map of Fbx material objects to imported material structure
Protected variable TMap< FbxMesh *, TSharedPtr< FDatasmithFBXSceneMesh > > ImportedMeshes Map of FbxMesh objects to already imported FDatasmithFBXSceneMesh
Protected variable FbxScene * InScene Fbx scene which we're importing
Protected variable const UDatasmithFBXImportOptions * Options All options to configure importer
Protected variable FDatasmithFBXScene * OutScene Local scene which we're importing onto

Constructors

  Type Name Description
Public function  

FDatasmithFBXFileImporter ( FbxScene* InFbxScene,
FDatasmithFBXScene* InScene,
const UDatasmithFBXImportOptions* InOptions,
const FDatasmithImportBaseOptions* InBaseOptions
)

  

Functions

  Type Name Description
Protected function void

AddCurvesForProperty ( FbxProperty InProperty,
FbxAnimLayer* InLayer,
EDatasmithFBXSceneAnimationCurveType Type,
TArray< FDatasmithFBXSceneAnimCurve >& OutCurves
)

 Tries to extract animation curves of InProperty, building a new FDatasmithFBXSceneAnimCurve of type InType for each channel, if it can
Protected function void Convert scene coordinate system
Protected function void Create one timeline per animation layer contained in the animation
Protected function FDatasmithFBXSceneAnimCurve  
Protected function Static void

DoImportMesh ( FbxMesh* InMesh,
FDatasmithFBXSceneMesh* Mesh
)

 Convert Fbx mesh into FRawMesh
Protected function void

ExtractAnimations ( FbxNode* Node
)

 Extract all animation curves from the FBX and pack them into OutScene->AnimNodes.
Protected function void Tries to extract key frames from InCurve, building a new FDatasmithFBXSceneAnimCurve of type InType and component InComponent if it can.
Protected function Static void

FindFbxUVChannels ( FbxMesh* Mesh,
TArray< FFbxUVInfo >& FbxUVs
)

  
Protected function TSharedPtr< FDatasmithFBXSceneMaterial >

ImportMaterial ( FbxSurfaceMaterial* InMaterial
)

 Import an Fbx material
Protected function TSharedPtr< FDatasmithFBXSceneMesh >

ImportMesh ( FbxMesh* InMesh,
FbxNode* InNode
)

 Allocate FDatasmithFBXSceneMesh
Public function void  
Protected function bool

IsOddNegativeScale ( FbxAMatrix& TotalMatrix
)

  
Protected function void

TraverseHierarchyNodeRecursively ( FbxNode* ParentNode,
TSharedPtr< FDatasmithFBXSceneNode >& ParentInfo
)

 Recursively import Fbx scene

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