Material* FBXScene::GetMaterialLinkedWithPolygon(FbxMesh* pFBXMesh, int nLayerIndex, int nPolygonIndex, int nPolygonVertexIndex, int nVertexIndex)
{
if( nLayerIndex < 0 || nLayerIndex > pFBXMesh->GetLayerCount() )
return NULL;
FbxNode* pNode = pFBXMesh->GetNode();
if( !pNode )
return NULL;
FbxLayerElementMaterial* pFBXMaterial = pFBXMesh->GetLayer(nLayerIndex)->GetMaterials();
if( pFBXMaterial )
{
int nMappingIndex = GetMappingIndex( pFBXMaterial->GetMappingMode(), nPolygonIndex, 0, nVertexIndex );
if( nMappingIndex < 0 )
return NULL;
FbxLayerElement::EReferenceMode referenceMode = pFBXMaterial->GetReferenceMode();
if( referenceMode == FbxLayerElement::EReferenceMode::eDirect )
{
if( nMappingIndex < pNode->GetMaterialCount() )
{
return GetMaterial(pNode->GetMaterial(nMappingIndex));
}
}
else if( referenceMode == FbxLayerElement::EReferenceMode::eIndexToDirect )
{
const FbxLayerElementArrayTemplate<int>& pMaterialIndexArray = pFBXMaterial->GetIndexArray();
if( nMappingIndex < pMaterialIndexArray.GetCount() )
{
int nIndex = pMaterialIndexArray.GetAt(nMappingIndex);
if( nIndex < pNode->GetMaterialCount() )
{
return GetMaterial(pNode->GetMaterial(nIndex));
}
}
}
}
return NULL;
}
// メッシュ情報処理(再帰関数)
void GetMeshData(FbxNode *parent, VertexDataArray& outVertexData)
{
// メッシュだけ処理
int numKids = parent->GetChildCount();
for(int i = 0; i < numKids; i++)
{
FbxNode *child = parent->GetChild(i);
// メッシュを見つけたら
if(child->GetMesh())
{
FbxMesh* pMesh = child->GetMesh();// static_cast<FbxMesh*>(child->GetNodeAttribute());
printf("メッシュ発見\n");
printf("名前:%s\n", pMesh->GetName());
printf("ポリゴン数:%d\n", pMesh->GetPolygonCount());
printf("マテリアル数:%d\n", pMesh->GetElementMaterialCount());
printf("コントロールポイント数(頂点座標):%d\n", pMesh->GetControlPointsCount());
printf("UV数:%d\n", pMesh->GetTextureUVCount());
FbxArray<FbxVector4> normals;
pMesh->GetPolygonVertexNormals(normals);
printf("法線数:%d\n", normals.GetCount());
// 頂点情報取得
GetFBXVertexData(pMesh, outVertexData);
}
// マテリアル
int numMat = child->GetMaterialCount();
for(int j = 0; j < numMat; ++j)
{
FbxSurfaceMaterial* mat = child->GetMaterial(j);
if(mat)
{
GetMatrialData(mat);
}
}
if(numMat == 0)
{
printf("マテリアルなし\n");
}
child->GetChild(0);
// 更に子を処理
GetMeshData(child, outVertexData);
}
}
//-------------------------------------------------------------------------------------------------------------------------------------------
void transferMaterials(FbxGeometry* fbxMesh, Mesh* mesh){
int numMaterials = 0;
if (fbxMesh == NULL){
throw new Exception("fbxMesh can not be NULL !");
}
FbxNode* fbxNode = NULL;
fbxNode = fbxMesh->GetNode();
if (fbxNode){
numMaterials = fbxNode->GetMaterialCount();
}
LOG_DEBUG << " Number of materials: " << numMaterials;
if (numMaterials > 0)
{
FbxPropertyT<FbxDouble3> lKFbxDouble3;
FbxPropertyT<FbxDouble> lKFbxDouble1;
FbxColor theColor;
for (int matId = 0; matId < numMaterials; matId++){
Material* material = new Material();
FbxSurfaceMaterial* fbxMaterial = fbxNode->GetMaterial(matId);
// Get the implementation to see f it's a hardware shader
const FbxImplementation* fbxImplementation = GetImplementation(fbxMaterial, FBXSDK_IMPLEMENTATION_HLSL);
string fbxImplementationType = "HLSL";
if (fbxImplementation != NULL){
fbxImplementation = GetImplementation(fbxMaterial, FBXSDK_IMPLEMENTATION_CGFX);
fbxImplementationType = "CFGX";
}
if (fbxImplementation)
{
// Handle hardware shader
// TODO: transfer material using hardware shader
}
else if (fbxMaterial->GetClassId().Is(FbxSurfacePhong::ClassId))
{
// Handle phong shader
// Transfer Ambient color
lKFbxDouble3 = ((FbxSurfacePhong*)fbxMaterial)->Ambient;
material->Ambient = Vector4s(lKFbxDouble3.Get()[0], lKFbxDouble3.Get()[1], lKFbxDouble3.Get()[2], 1);
// Transfer Diffuse color
lKFbxDouble3 = ((FbxSurfacePhong*)fbxMaterial)->Diffuse;
material->Diffuse = Vector4s(lKFbxDouble3.Get()[0], lKFbxDouble3.Get()[1], lKFbxDouble3.Get()[2], 1);
// Transfer Specular color
lKFbxDouble3 = ((FbxSurfacePhong*)fbxMaterial)->Specular;
material->Specular = Vector4s(lKFbxDouble3.Get()[0], lKFbxDouble3.Get()[1], lKFbxDouble3.Get()[2], 1);
// Transfer Emissive color
lKFbxDouble3 = ((FbxSurfacePhong*)fbxMaterial)->Emissive;
material->Emissive = Vector4s(lKFbxDouble3.Get()[0], lKFbxDouble3.Get()[1], lKFbxDouble3.Get()[2], 1);
// Transfer Transperency factor
lKFbxDouble1 = ((FbxSurfacePhong*)fbxMaterial)->TransparencyFactor;
material->Opacity = 1.0 - lKFbxDouble1.Get();
// Transfer Shininess
lKFbxDouble3 = ((FbxSurfacePhong*)fbxMaterial)->Shininess;
material->Shininess = lKFbxDouble1.Get();
// Transfer Reflectivity
lKFbxDouble3 = ((FbxSurfacePhong*)fbxMaterial)->ReflectionFactor;
material->Reflectivity = lKFbxDouble1.Get();
}
else if (fbxMaterial->GetClassId().Is(FbxSurfaceLambert::ClassId))
{
// Handle Lambert shader
lKFbxDouble3 = ((FbxSurfaceLambert *)fbxMaterial)->Ambient;
material->Ambient = Vector4s(lKFbxDouble3.Get()[0], lKFbxDouble3.Get()[1], lKFbxDouble3.Get()[2], 1);
// Display the Diffuse Color
lKFbxDouble3 = ((FbxSurfaceLambert *)fbxMaterial)->Diffuse;
material->Diffuse = Vector4s(lKFbxDouble3.Get()[0], lKFbxDouble3.Get()[1], lKFbxDouble3.Get()[2], 1);
// Display the Emissive
lKFbxDouble3 = ((FbxSurfaceLambert *)fbxMaterial)->Emissive;
material->Emissive = Vector4s(lKFbxDouble3.Get()[0], lKFbxDouble3.Get()[1], lKFbxDouble3.Get()[2], 1);
// Display the Opacity
lKFbxDouble1 = ((FbxSurfaceLambert *)fbxMaterial)->TransparencyFactor;
material->Opacity = 1.0 - lKFbxDouble1.Get();
}
else
{
LOG_WARNING << "Unknown type of Material !";
}
FbxPropertyT<FbxString> fbxString;
fbxString = fbxMaterial->ShadingModel;
material->ShadingMode = fbxString.Get();
mesh->Materials.push_back(material);
}
}
LOG_DEBUG << "Transfer materials successfully! ";
}
void Tools::DisplayMaterial::DisplayMaterial( FbxGeometry *i_geometry )
{
DisplayCommon::DisplayString( "\n\n--------------------\nMaterial\n--------------------" );
int materialCount = 0;
FbxNode *node = NULL;
if( i_geometry )
{
node = i_geometry->GetNode();
if( node )
materialCount = node->GetMaterialCount();
}
if( materialCount > 0 )
{
FbxPropertyT<FbxDouble3> double3;
FbxPropertyT<FbxDouble> double1;
FbxColor theColor;
for( int ctr = 0; ctr < materialCount; ctr++ )
{
DisplayCommon::DisplayInt( " Material ", ctr );
FbxSurfaceMaterial *material = node->GetMaterial( ctr );
DisplayCommon::DisplayString( " Name: \"", (char *) material->GetName(), "\"" );
#ifdef DISPLAY_HARDWARE_SHADER_INFORMATION
//Get the implementation to see if it's a hardware shader.
// Note:: this cause memory leak
const FbxImplementation* implementation = GetImplementation( material, FBXSDK_IMPLEMENTATION_HLSL );
FbxString implementationType = "HLSL";
if( !implementation )
{
implementation = GetImplementation( material, FBXSDK_IMPLEMENTATION_CGFX );
implementationType = "CGFX";
}
if( implementation )
{
//Now we have a hardware shader, let's read it
FBXSDK_printf( " Hardware Shader Type: %s\n", implemenationType.Buffer() );
DisplayCommon::DisplayString( " Hardware Shader Type: ", implemenationType );
const FbxBindingTable* rootTable = implementation->GetRootTable();
FbxString fileName = rootTable->DescAbsoluteURL.Get();
FbxString techniqueName = rootTable->DescTAG.Get();
const FbxBindingTable* table = implementation->GetRootTable();
size_t entryNum = table->GetEntryCount();
for( int i = 0; i < (int)entryNum; i++ )
{
const FbxBindingTableEntry& entry = table->GetEntry( i );
const char *entrySrcType = entry.GetEntryType( true );
FbxProperty fbxProp;
FbxString test = entry.GetSource();
FBXSDK_printf( " Entry: %s\n", test.Buffer() );
DisplayCommon::DisplayString( " Entry: %s\n", test );
if ( strcmp( FbxPropertyEntryView::sEntryType, entrySrcType ) == 0 )
{
fbxProp = material->FindPropertyHierarchical(entry.GetSource());
if( !fbxProp.IsValid() )
{
fbxProp = material->RootProperty.FindHierarchical( entry.GetSource() );
}
}
else if( strcmp( FbxConstantEntryView::sEntryType, entrySrcType ) == 0 )
{
fbxProp = implementation->GetConstants().FindHierarchical( entry.GetSource() );
}
if( fbxProp.IsValid() )
{
if( fbxProp.GetSrcObjectCount<FbxTexture>() > 0 )
{
//do what you want with the textures
for( int j = 0; j < fbxProp.GetSrcObjectCount<FbxFileTexture>(); j++ )
{
FbxFileTexture *tex = fbxProp.GetSrcObject<FbxFileTexture>( j );
FBXSDK_printf( " File Texture: %s\n", tex->GetFileName() );
DisplayCommon::DisplayString( " File Texture: %s\n", tex->GetFileName() );
}
for( int j = 0; j < fbxProp.GetSrcObjectCount<FbxLayeredTexture>(); j++ )
{
FbxLayeredTexture *tex = fbxProp.GetSrcObject<FbxLayeredTexture>( j );
FBXSDK_printf( " Layered Texture: %s\n", tex->GetName() );
DisplayCommon::DisplayString( " Layered Texture: %s\n", tex->GetName() );
}
for( int j = 0; j < fbxProp.GetSrcObjectCount<FbxProceduralTexture>(); j++ )
{
FbxProceduralTexture *tex = fbxProp.GetSrcObject<FbxProceduralTexture>( j );
FBXSDK_printf( " Procedural Texture: %s\n", tex->GetName() );
DisplayCommon::DisplayString( " Procedural Texture: %s\n", tex->GetName() );
}
}
else
{
FbxDataType fbxType = fbxProp.GetPropertyDataType();
FbxString fbxName = fbxType.GetName();
if( FbxBoolDT == fbxType )
{
DisplayCommon::DisplayBool( " Bool: ", fbxProp.Get<FbxBool>() );
}
else if( FbxIntDT == fbxType || FbxEnumDT == fbxType )
{
DisplayCommon::DisplayInt( " Int: ", fbxProp.Get<FbxInt>() );
}
else if( FbxFloatDT == fbxType )
{
DisplayCommon::DisplayDouble( " Float: ", fbxProp.Get<FbxFloat>() );
}
else if( FbxDoubleDT == fbxType )
{
DisplayCommon::DisplayDouble( " Double: ", fbxProp.Get<FbxDouble>() );
}
else if( FbxStringDT == fbxType || FbxUrlDT == fbxType || FbxXRefUrlDT == fbxType )
{
DisplayCommon::DisplayString( " String: ", fbxProp.Get<FbxString>().Buffer() );
}
else if( FbxDouble2DT == fbxType )
{
FbxDouble2 double2 = fbxProp.Get<FbxDouble2>();
FbxVector2 vector;
vector[0] = double2[0];
vector[1] = double2[1];
DisplayCommon::Display2DVector( " 2D vector: ", vector );
}
else if( (FbxDouble3DT == fbxType) || (FbxColor3DT == fbxType) )
{
FbxDouble3 double3 = fbxProp.Get<FbxDouble3>();
FbxVector4 vector;
vector[0] = double3[0];
vector[1] = double3[1];
vector[2] = double3[2];
DisplayCommon::Display3DVector( " 3D vector: ", vector );
}
else if( (FbxDouble4DT == fbxType) || (FbxColor4DT == fbxType) )
{
FbxDouble4 double4 = fbxProp.Get<FbxDouble4>();
FbxVector4 vector;
vector[0] = double4[0];
vector[1] = double4[1];
vector[2] = double4[2];
vector[3] = double4[3];
DisplayCommon::Display4DVector( " 4D vector: ", vector );
}
else if( FbxDouble4x4DT == fbxType )
{
FbxDouble4x4 double44 = fbxProp.Get<FbxDouble4x4>();
for( int j = 0; j < 4; j++ )
{
FbxVector4 vector;
vector[0] = double44[j][0];
vector[1] = double44[j][1];
vector[2] = double44[j][2];
vector[3] = double44[j][3];
DisplayCommon::Display4DVector( " 4x4D vector: ", vector );
}
}
}
}
}
}
else
#endif // #ifdef DISPLAY_HARDWARE_SHADER_INFORMATION
if( material->GetClassId().Is(FbxSurfacePhong::ClassId) )
{
// We found a Phong material. Display its properties.
// Display the Ambient Color
double3 = ((FbxSurfacePhong *) material)->Ambient;
theColor.Set( double3.Get()[0], double3.Get()[1], double3.Get()[2] );
DisplayCommon::DisplayColor( " Ambient: ", theColor );
// Display the Diffuse Color
double3 = ((FbxSurfacePhong *) material)->Diffuse;
theColor.Set( double3.Get()[0], double3.Get()[1], double3.Get()[2] );
DisplayCommon::DisplayColor( " Diffuse: ", theColor );
// Display the Specular Color (unique to Phong materials)
double3 = ((FbxSurfacePhong *) material)->Specular;
theColor.Set( double3.Get()[0], double3.Get()[1], double3.Get()[2] );
DisplayCommon::DisplayColor( " Specular: ", theColor );
// Display the Emissive Color
double3 = ((FbxSurfacePhong *) material)->Emissive;
theColor.Set( double3.Get()[0], double3.Get()[1], double3.Get()[2] );
DisplayCommon::DisplayColor( " Emissive: ", theColor );
//Opacity is Transparency factor now
double1 = ((FbxSurfacePhong *) material)->TransparencyFactor;
DisplayCommon::DisplayDouble( " Opacity: ", 1.0-double1.Get() );
// Display the Shininess
double1 = ((FbxSurfacePhong *) material)->Shininess;
DisplayCommon::DisplayDouble( " Shininess: ", double1.Get() );
// Display the Reflectivity
double1 = ((FbxSurfacePhong *) material)->ReflectionFactor;
DisplayCommon::DisplayDouble( " Reflectivity: ", double1.Get() );
}
else if( material->GetClassId().Is(FbxSurfaceLambert::ClassId) )
{
// We found a Lambert material. Display its properties.
// Display the Ambient Color
double3 = ((FbxSurfaceLambert *)material)->Ambient;
theColor.Set( double3.Get()[0], double3.Get()[1], double3.Get()[2] );
DisplayCommon::DisplayColor( " Ambient: ", theColor );
// Display the Diffuse Color
double3 = ((FbxSurfaceLambert *)material)->Diffuse;
theColor.Set( double3.Get()[0], double3.Get()[1], double3.Get()[2] );
DisplayCommon::DisplayColor( " Diffuse: ", theColor );
// Display the Emissive
double3 = ((FbxSurfaceLambert *)material)->Emissive;
theColor.Set( double3.Get()[0], double3.Get()[1], double3.Get()[2] );
DisplayCommon::DisplayColor( " Emissive: ", theColor );
// Display the Opacity
double1 = ((FbxSurfaceLambert *)material)->TransparencyFactor;
DisplayCommon::DisplayDouble( " Opacity: ", 1.0-double1.Get() );
}
else
DisplayCommon::DisplayString( "Unknown type of Material" );
FbxPropertyT<FbxString> string;
string = material->ShadingModel;
DisplayCommon::DisplayString( " Shading Model: ", string.Get() );
}
}
}
void FBXImporter::LoadMaterials(FBXMeshData* fbxMeshData)
{
FbxNode* node = nullptr;
FbxMesh* mesh = fbxMeshData->mMesh;
int materialCount = 0;
int polygonCount = mesh->GetPolygonCount();
if ((mesh != nullptr) && (mesh->GetNode() != nullptr))
{
node = mesh->GetNode();
materialCount = node->GetMaterialCount();
}
bool isAllSame = true;
for (int i = 0; i < mesh->GetElementMaterialCount(); i++)
{
FbxGeometryElementMaterial* materialElement = mesh->GetElementMaterial(i);
if (materialElement->GetMappingMode() == FbxGeometryElement::eByPolygon)
{
isAllSame = false;
break;
}
}
//For eAllSame mapping type, just out the material and texture mapping info once
if (isAllSame)
{
for (int i = 0; i < mesh->GetElementMaterialCount(); i++)
{
FbxGeometryElementMaterial* materialElement = mesh->GetElementMaterial(i);
if (materialElement->GetMappingMode() == FbxGeometryElement::eAllSame)
{
FbxSurfaceMaterial* material = mesh->GetNode()->GetMaterial(materialElement->GetIndexArray().GetAt(0));
fbxMeshData->mSurfaceMaterial = material;
int materialId = materialElement->GetIndexArray().GetAt(0);
if (materialId >= 0)
{
LoadMaterialTexture(fbxMeshData, FbxSurfaceMaterial::sDiffuse);
LoadMaterialTexture(fbxMeshData, FbxSurfaceMaterial::sBump);
vector<string>& textureFiles = mMeshData->textureFiles;
auto iter = find(textureFiles.begin(), textureFiles.end(), fbxMeshData->getDiffuseTextureFile());
if (iter == textureFiles.end())
{
textureFiles.push_back(fbxMeshData->getDiffuseTextureFile());
}
if (fbxMeshData->getNormalMapTextureFile().size() > 0)
{
iter = find(textureFiles.begin(), textureFiles.end(), fbxMeshData->getNormalMapTextureFile());
if (iter == textureFiles.end())
{
textureFiles.push_back(fbxMeshData->getNormalMapTextureFile());
}
}
}
}
}
}
//For eByPolygon mapping type, just out the material and texture mapping info once
else
{
int materialId = 0;
int polygonId = 0;
polygonCount = 0;
vector<string>& textureFiles = mMeshData->textureFiles;
vector<MaterialIdOffset>& materialIdOffsets = mMeshData->materialIdOffsets;
for (int i = 0; i < materialIdOffsets.size(); i++)
{
FbxGeometryElementMaterial* materialElement = mesh->GetElementMaterial(0);
FbxSurfaceMaterial* material = NULL;
materialId = mMeshData->materialIdOffsets[i].material->materialId;
material = mesh->GetNode()->GetMaterial(materialElement->GetIndexArray().GetAt(polygonId));
polygonCount = materialIdOffsets[i].polygonCount;
fbxMeshData->mSurfaceMaterial = material;
fbxMeshData->mMaterial = new Material();
LoadMaterialTexture(fbxMeshData, FbxSurfaceMaterial::sDiffuse);
LoadMaterialTexture(fbxMeshData, FbxSurfaceMaterial::sBump);
materialIdOffsets[i].material = fbxMeshData->mMaterial;
auto iter = find(textureFiles.begin(), textureFiles.end(), fbxMeshData->getDiffuseTextureFile());
if (iter == textureFiles.end())
{
textureFiles.push_back(fbxMeshData->getDiffuseTextureFile());
}
if (fbxMeshData->getNormalMapTextureFile().size() > 0)
{
iter = find(textureFiles.begin(), textureFiles.end(), fbxMeshData->getNormalMapTextureFile());
if (iter == textureFiles.end())
{
textureFiles.push_back(fbxMeshData->getNormalMapTextureFile());
}
}
polygonId += polygonCount;
}
}
}
/**
* Adds an Fbx Mesh to the FBX scene based on the data in the given FStaticLODModel
*/
FbxNode* FFbxExporter::CreateMesh(const USkeletalMesh* SkelMesh, const TCHAR* MeshName)
{
const FSkeletalMeshResource* SkelMeshResource = SkelMesh->GetImportedResource();
const FStaticLODModel& SourceModel = SkelMeshResource->LODModels[0];
const int32 VertexCount = SourceModel.NumVertices;
// Verify the integrity of the mesh.
if (VertexCount == 0) return NULL;
// Copy all the vertex data from the various chunks to a single buffer.
// Makes the rest of the code in this function cleaner and easier to maintain.
TArray<FSoftSkinVertex> Vertices;
SourceModel.GetVertices(Vertices);
if (Vertices.Num() != VertexCount) return NULL;
FbxMesh* Mesh = FbxMesh::Create(Scene, TCHAR_TO_UTF8(MeshName));
// Create and fill in the vertex position data source.
Mesh->InitControlPoints(VertexCount);
FbxVector4* ControlPoints = Mesh->GetControlPoints();
for (int32 VertIndex = 0; VertIndex < VertexCount; ++VertIndex)
{
FVector Position = Vertices[VertIndex].Position;
ControlPoints[VertIndex] = Converter.ConvertToFbxPos(Position);
}
// Create Layer 0 to hold the normals
FbxLayer* LayerZero = Mesh->GetLayer(0);
if (LayerZero == NULL)
{
Mesh->CreateLayer();
LayerZero = Mesh->GetLayer(0);
}
// Create and fill in the per-face-vertex normal data source.
// We extract the Z-tangent and drop the X/Y-tangents which are also stored in the render mesh.
FbxLayerElementNormal* LayerElementNormal= FbxLayerElementNormal::Create(Mesh, "");
LayerElementNormal->SetMappingMode(FbxLayerElement::eByControlPoint);
// Set the normal values for every control point.
LayerElementNormal->SetReferenceMode(FbxLayerElement::eDirect);
for (int32 VertIndex = 0; VertIndex < VertexCount; ++VertIndex)
{
FVector Normal = Vertices[VertIndex].TangentZ;
FbxVector4 FbxNormal = Converter.ConvertToFbxPos(Normal);
LayerElementNormal->GetDirectArray().Add(FbxNormal);
}
LayerZero->SetNormals(LayerElementNormal);
// Create and fill in the per-face-vertex texture coordinate data source(s).
// Create UV for Diffuse channel.
const int32 TexCoordSourceCount = SourceModel.NumTexCoords;
TCHAR UVChannelName[32];
for (int32 TexCoordSourceIndex = 0; TexCoordSourceIndex < TexCoordSourceCount; ++TexCoordSourceIndex)
{
FbxLayer* Layer = Mesh->GetLayer(TexCoordSourceIndex);
if (Layer == NULL)
{
Mesh->CreateLayer();
Layer = Mesh->GetLayer(TexCoordSourceIndex);
}
if (TexCoordSourceIndex == 1)
{
FCString::Sprintf(UVChannelName, TEXT("LightMapUV"));
}
else
{
FCString::Sprintf(UVChannelName, TEXT("DiffuseUV"));
}
FbxLayerElementUV* UVDiffuseLayer = FbxLayerElementUV::Create(Mesh, TCHAR_TO_UTF8(UVChannelName));
UVDiffuseLayer->SetMappingMode(FbxLayerElement::eByControlPoint);
UVDiffuseLayer->SetReferenceMode(FbxLayerElement::eDirect);
// Create the texture coordinate data source.
for (int32 TexCoordIndex = 0; TexCoordIndex < VertexCount; ++TexCoordIndex)
{
const FVector2D& TexCoord = Vertices[TexCoordIndex].UVs[TexCoordSourceIndex];
UVDiffuseLayer->GetDirectArray().Add(FbxVector2(TexCoord.X, -TexCoord.Y + 1.0));
}
Layer->SetUVs(UVDiffuseLayer, FbxLayerElement::eTextureDiffuse);
}
FbxLayerElementMaterial* MatLayer = FbxLayerElementMaterial::Create(Mesh, "");
MatLayer->SetMappingMode(FbxLayerElement::eByPolygon);
MatLayer->SetReferenceMode(FbxLayerElement::eIndexToDirect);
LayerZero->SetMaterials(MatLayer);
// Create the per-material polygons sets.
TArray<uint32> Indices;
SourceModel.MultiSizeIndexContainer.GetIndexBuffer(Indices);
int32 SectionCount = SourceModel.Sections.Num();
for (int32 SectionIndex = 0; SectionIndex < SectionCount; ++SectionIndex)
{
const FSkelMeshSection& Section = SourceModel.Sections[SectionIndex];
int32 MatIndex = Section.MaterialIndex;
// Static meshes contain one triangle list per element.
int32 TriangleCount = Section.NumTriangles;
// Copy over the index buffer into the FBX polygons set.
for (int32 TriangleIndex = 0; TriangleIndex < TriangleCount; ++TriangleIndex)
{
Mesh->BeginPolygon(MatIndex);
for (int32 PointIndex = 0; PointIndex < 3; PointIndex++)
{
Mesh->AddPolygon(Indices[Section.BaseIndex + ((TriangleIndex * 3) + PointIndex)]);
}
Mesh->EndPolygon();
}
}
// Create and fill in the vertex color data source.
FbxLayerElementVertexColor* VertexColor = FbxLayerElementVertexColor::Create(Mesh, "");
VertexColor->SetMappingMode(FbxLayerElement::eByControlPoint);
VertexColor->SetReferenceMode(FbxLayerElement::eDirect);
FbxLayerElementArrayTemplate<FbxColor>& VertexColorArray = VertexColor->GetDirectArray();
LayerZero->SetVertexColors(VertexColor);
for (int32 VertIndex = 0; VertIndex < VertexCount; ++VertIndex)
{
FLinearColor VertColor = Vertices[VertIndex].Color.ReinterpretAsLinear();
VertexColorArray.Add( FbxColor(VertColor.R, VertColor.G, VertColor.B, VertColor.A ));
}
FbxNode* MeshNode = FbxNode::Create(Scene, TCHAR_TO_UTF8(MeshName));
MeshNode->SetNodeAttribute(Mesh);
// Add the materials for the mesh
int32 MaterialCount = SkelMesh->Materials.Num();
for(int32 MaterialIndex = 0; MaterialIndex < MaterialCount; ++MaterialIndex)
{
UMaterialInterface* MatInterface = SkelMesh->Materials[MaterialIndex].MaterialInterface;
FbxSurfaceMaterial* FbxMaterial = NULL;
if(MatInterface && !FbxMaterials.Find(MatInterface))
{
FbxMaterial = ExportMaterial(MatInterface);
}
else
{
// Note: The vertex data relies on there being a set number of Materials.
// If you try to add the same material again it will not be added, so create a
// default material with a unique name to ensure the proper number of materials
TCHAR NewMaterialName[MAX_SPRINTF]=TEXT("");
FCString::Sprintf( NewMaterialName, TEXT("Fbx Default Material %i"), MaterialIndex );
FbxMaterial = FbxSurfaceLambert::Create(Scene, TCHAR_TO_UTF8(NewMaterialName));
((FbxSurfaceLambert*)FbxMaterial)->Diffuse.Set(FbxDouble3(0.72, 0.72, 0.72));
}
MeshNode->AddMaterial(FbxMaterial);
}
int32 SavedMaterialCount = MeshNode->GetMaterialCount();
check(SavedMaterialCount == MaterialCount);
return MeshNode;
}
//converts a FBX mesh to a CC mesh
static ccMesh* FromFbxMesh(FbxMesh* fbxMesh, FileIOFilter::LoadParameters& parameters)
{
if (!fbxMesh)
return 0;
int polyCount = fbxMesh->GetPolygonCount();
//fbxMesh->GetLayer(
unsigned triCount = 0;
unsigned polyVertCount = 0; //different from vertCount (vertices can be counted multiple times here!)
//as we can't load all polygons (yet ;) we already look if we can load any!
{
unsigned skipped = 0;
for (int i=0; i<polyCount; ++i)
{
int pSize = fbxMesh->GetPolygonSize(i);
if (pSize == 3)
{
++triCount;
polyVertCount += 3;
}
else if (pSize == 4)
{
triCount += 2;
polyVertCount += 4;
}
else
{
++skipped;
}
}
if (triCount == 0)
{
ccLog::Warning(QString("[FBX] No triangle or quad found in mesh '%1'! (polygons with more than 4 vertices are not supported for the moment)").arg(fbxMesh->GetName()));
return 0;
}
else if (skipped != 0)
{
ccLog::Warning(QString("[FBX] Some polygons in mesh '%1' were ignored (%2): polygons with more than 4 vertices are not supported for the moment)").arg(fbxMesh->GetName()).arg(skipped));
return 0;
}
}
int vertCount = fbxMesh->GetControlPointsCount();
if (vertCount <= 0)
{
ccLog::Warning(QString("[FBX] Mesh '%1' has no vetex or no polygon?!").arg(fbxMesh->GetName()));
return 0;
}
ccPointCloud* vertices = new ccPointCloud("vertices");
ccMesh* mesh = new ccMesh(vertices);
mesh->setName(fbxMesh->GetName());
mesh->addChild(vertices);
vertices->setEnabled(false);
if (!mesh->reserve(static_cast<unsigned>(triCount)) || !vertices->reserve(vertCount))
{
ccLog::Warning(QString("[FBX] Not enough memory to load mesh '%1'!").arg(fbxMesh->GetName()));
delete mesh;
return 0;
}
//colors
{
for (int l=0; l<fbxMesh->GetElementVertexColorCount(); l++)
{
FbxGeometryElementVertexColor* vertColor = fbxMesh->GetElementVertexColor(l);
//CC can only handle per-vertex colors
if (vertColor->GetMappingMode() == FbxGeometryElement::eByControlPoint)
{
if (vertColor->GetReferenceMode() == FbxGeometryElement::eDirect
|| vertColor->GetReferenceMode() == FbxGeometryElement::eIndexToDirect)
{
if (vertices->reserveTheRGBTable())
{
switch (vertColor->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
{
for (int i=0; i<vertCount; ++i)
{
FbxColor c = vertColor->GetDirectArray().GetAt(i);
vertices->addRGBColor( static_cast<colorType>(c.mRed * ccColor::MAX),
static_cast<colorType>(c.mGreen * ccColor::MAX),
static_cast<colorType>(c.mBlue * ccColor::MAX) );
}
}
break;
case FbxGeometryElement::eIndexToDirect:
{
for (int i=0; i<vertCount; ++i)
{
int id = vertColor->GetIndexArray().GetAt(i);
FbxColor c = vertColor->GetDirectArray().GetAt(id);
vertices->addRGBColor( static_cast<colorType>(c.mRed * ccColor::MAX),
static_cast<colorType>(c.mGreen * ccColor::MAX),
static_cast<colorType>(c.mBlue * ccColor::MAX) );
}
}
break;
default:
assert(false);
break;
}
vertices->showColors(true);
mesh->showColors(true);
break; //no need to look for other color fields (we won't be able to handle them!
}
else
{
ccLog::Warning(QString("[FBX] Not enough memory to load mesh '%1' colors!").arg(fbxMesh->GetName()));
}
}
else
{
ccLog::Warning(QString("[FBX] Color field #%i of mesh '%1' will be ignored (unhandled type)").arg(l).arg(fbxMesh->GetName()));
}
}
else
{
ccLog::Warning(QString("[FBX] Color field #%i of mesh '%1' will be ignored (unhandled type)").arg(l).arg(fbxMesh->GetName()));
}
}
}
//normals can be per vertices or per-triangle
int perPointNormals = -1;
int perVertexNormals = -1;
int perPolygonNormals = -1;
{
for (int j=0; j<fbxMesh->GetElementNormalCount(); j++)
{
FbxGeometryElementNormal* leNormals = fbxMesh->GetElementNormal(j);
switch(leNormals->GetMappingMode())
{
case FbxGeometryElement::eByControlPoint:
perPointNormals = j;
break;
case FbxGeometryElement::eByPolygonVertex:
perVertexNormals = j;
break;
case FbxGeometryElement::eByPolygon:
perPolygonNormals = j;
break;
default:
//not handled
break;
}
}
}
//per-point normals
if (perPointNormals >= 0)
{
FbxGeometryElementNormal* leNormals = fbxMesh->GetElementNormal(perPointNormals);
FbxLayerElement::EReferenceMode refMode = leNormals->GetReferenceMode();
const FbxLayerElementArrayTemplate<FbxVector4>& normals = leNormals->GetDirectArray();
assert(normals.GetCount() == vertCount);
if (normals.GetCount() != vertCount)
{
ccLog::Warning(QString("[FBX] Wrong number of normals on mesh '%1'!").arg(fbxMesh->GetName()));
perPointNormals = -1;
}
else if (!vertices->reserveTheNormsTable())
{
ccLog::Warning(QString("[FBX] Not enough memory to load mesh '%1' normals!").arg(fbxMesh->GetName()));
perPointNormals = -1;
}
else
{
//import normals
for (int i=0; i<vertCount; ++i)
{
int id = refMode != FbxGeometryElement::eDirect ? leNormals->GetIndexArray().GetAt(i) : i;
FbxVector4 N = normals.GetAt(id);
//convert to CC-structure
CCVector3 Npc( static_cast<PointCoordinateType>(N.Buffer()[0]),
static_cast<PointCoordinateType>(N.Buffer()[1]),
static_cast<PointCoordinateType>(N.Buffer()[2]) );
vertices->addNorm(Npc);
}
vertices->showNormals(true);
mesh->showNormals(true);
//no need to import the other normals (if any)
perVertexNormals = -1;
perPolygonNormals = -1;
}
}
//per-triangle normals
NormsIndexesTableType* normsTable = 0;
if (perVertexNormals >= 0 || perPolygonNormals >= 0)
{
normsTable = new NormsIndexesTableType();
if (!normsTable->reserve(polyVertCount) || !mesh->reservePerTriangleNormalIndexes())
{
ccLog::Warning(QString("[FBX] Not enough memory to load mesh '%1' normals!").arg(fbxMesh->GetName()));
normsTable->release();
normsTable = 0;
}
else
{
mesh->setTriNormsTable(normsTable);
vertices->showNormals(true);
mesh->showNormals(true);
}
}
//materials
ccMaterialSet* materials = 0;
{
FbxNode* lNode = fbxMesh->GetNode();
int lMaterialCount = lNode ? lNode->GetMaterialCount() : 0;
for (int i=0; i<lMaterialCount; i++)
{
FbxSurfaceMaterial *lBaseMaterial = lNode->GetMaterial(i);
bool isLambert = lBaseMaterial->GetClassId().Is(FbxSurfaceLambert::ClassId);
bool isPhong = lBaseMaterial->GetClassId().Is(FbxSurfacePhong::ClassId);
if (isLambert || isPhong)
{
ccMaterial::Shared mat(new ccMaterial(lBaseMaterial->GetName()));
FbxSurfaceLambert* lLambertMat = static_cast<FbxSurfaceLambert*>(lBaseMaterial);
float ambient[4];
float diffuse[4];
float emission[4];
float specular[4];
FbxSurfacePhong* lPhongMat = isPhong ? static_cast<FbxSurfacePhong*>(lBaseMaterial) : 0;
for (int k=0; k<3; ++k)
{
ambient[k] = static_cast<float>(lLambertMat->Ambient.Get()[k]);
diffuse[k] = static_cast<float>(lLambertMat->Diffuse.Get()[k]);
emission[k] = static_cast<float>(lLambertMat->Emissive.Get()[k]);
if (lPhongMat)
{
specular[k] = static_cast<float>(lPhongMat->Specular.Get()[k]);
}
}
mat->setAmbient(ambient);
mat->setDiffuse(diffuse);
mat->setEmission(emission);
if (isPhong)
{
mat->setSpecular(specular);
assert(lPhongMat);
mat->setShininess(static_cast<float>(lPhongMat->Shininess));
}
//import associated texture (if any)
{
int lTextureIndex;
FBXSDK_FOR_EACH_TEXTURE(lTextureIndex)
{
FbxProperty lProperty = lBaseMaterial->FindProperty(FbxLayerElement::sTextureChannelNames[lTextureIndex]);
if( lProperty.IsValid() )
{
int lTextureCount = lProperty.GetSrcObjectCount<FbxTexture>();
FbxTexture* texture = 0; //we can handle only one texture per material! We'll take the non layered one by default (if any)
for (int j = 0; j < lTextureCount; ++j)
{
//Here we have to check if it's layeredtextures, or just textures:
FbxLayeredTexture *lLayeredTexture = lProperty.GetSrcObject<FbxLayeredTexture>(j);
if (lLayeredTexture)
{
//we don't handle layered textures!
/*int lNbTextures = lLayeredTexture->GetSrcObjectCount<FbxTexture>();
for (int k=0; k<lNbTextures; ++k)
{
FbxTexture* lTexture = lLayeredTexture->GetSrcObject<FbxTexture>(k);
if(lTexture)
{
}
}
//*/
}
else
{
//non-layered texture
FbxTexture* lTexture = lProperty.GetSrcObject<FbxTexture>(j);
if(lTexture)
{
//we take the first non layered texture by default
texture = lTexture;
break;
}
}
}
if (texture)
{
FbxFileTexture *lFileTexture = FbxCast<FbxFileTexture>(texture);
if (lFileTexture)
{
const char* texAbsoluteFilename = lFileTexture->GetFileName();
ccLog::PrintDebug(QString("[FBX] Texture absolue filename: %1").arg(texAbsoluteFilename));
if (texAbsoluteFilename != 0 && texAbsoluteFilename[0] != 0)
{
if (!mat->loadAndSetTexture(texAbsoluteFilename))
{
ccLog::Warning(QString("[FBX] Failed to load texture file: %1").arg(texAbsoluteFilename));
}
}
}
}
}
}
}
if (!materials)
{
materials = new ccMaterialSet("materials");
mesh->addChild(materials);
}
materials->addMaterial(mat);
}
else
{
ccLog::Warning(QString("[FBX] Material '%1' has an unhandled type").arg(lBaseMaterial->GetName()));
}
}