Exemplo n.º 1
0
	std::shared_ptr<Mesh> FbxParser::CreateMesh(GameObjectPtr node, FbxNode * fbxNode)
	{
		Mesh::Ptr mesh = Mesh::Create(fbxNode->GetName());

		FbxMesh* fbxMesh = static_cast<FbxMesh*>(fbxNode->GetNodeAttribute());

		int polygonCount = fbxMesh->GetPolygonCount();
		int indicesCount = polygonCount * 3;
			
		mesh->Positions.Data.reserve(indicesCount * 3);
		mesh->Indices.Data.reserve(indicesCount);
		mesh->Colors.Data.reserve(indicesCount * 3);

		for (int i = 0; i < polygonCount; ++i) {
			ASSERT(fbxMesh->GetPolygonSize(i) <= 3,  "Error: triangulate %s", mesh->GetName());

			for (int jj = 0; jj < 3; ++jj) {
				int ctrPointIdx = fbxMesh->GetPolygonVertex(i, jj);
				// TODO 
				// Use Triangle Strip instead of triangle list
				auto position = fbxMesh->GetControlPointAt(ctrPointIdx);

				mesh->Positions.Data.push_back((double*)&position);

				int indices = i * 3 + jj;
				mesh->Indices.Data.push_back(indices);

				auto color = fbxMesh->GetElementVertexColor(ctrPointIdx);
				mesh->Colors.Data.push_back((double*)&color);
			}
		}
		mesh->UpdateBuffer();
		return mesh;
	}
Exemplo n.º 2
0
void FBXImporter::ProcessMesh(FbxNodeAttribute* nodeAttribute)
{
	FbxMesh* mesh = (FbxMesh*)nodeAttribute;
	
	// 网格是否三角化的?如果不是先将其转为三角化的。
	// 注意:一步其实应该在建模软件导出的时候进行。
	if (!mesh->IsTriangleMesh())
	{
		FbxGeometryConverter converter(mSDKManager);

		// #1
		// For FBX SDK 2015.1
		nodeAttribute = converter.Triangulate(nodeAttribute, true, false);
		// For FBX SDK 2013.3
		//converter.TriangulateInPlace(nodeAttribute->GetNode());

		mesh = (FbxMesh*)nodeAttribute;
	}

	FBXMeshData* fbxMeshData = new FBXMeshData();
	fbxMeshData->mMesh = mesh;
	mFBXMeshDatas.push_back(fbxMeshData);

	Log("TriangleCount:%d\n", mesh->GetPolygonCount());
	Log("VertexCount:%d\n", mesh->GetControlPointsCount());
	Log("IndexCount:%d\n", mesh->GetPolygonVertexCount());
	Log("Layer:%d\n", mesh->GetLayerCount());
	Log("DeformerCount:%d\n", mesh->GetDeformerCount());
	Log("MaterialCount%d\n", mesh->GetNode()->GetMaterialCount());
	Log("\n");
}
Exemplo n.º 3
0
reMesh* reFBXAsset::importMesh(FbxNode* fbxNode)
{
	qDebug() << "import mesh for" << fbxNode->GetName();
	reMesh* mesh = new reMesh;

	FbxMesh* fmesh = (FbxMesh*) fbxNode->GetNodeAttribute();
	FbxVector4* controlPoints = fmesh->GetControlPoints(); 

	for (int i=0; i<fmesh->GetPolygonCount(); i++) 
	{
		reFace* face = new reFace;
		for (int j=0; j<fmesh->GetPolygonSize(i); j++)
		{
			int vi = fmesh->GetPolygonVertex(i, j);
			reVertex vertex;
			vertex.pos = reVec3(controlPoints[vi][0], controlPoints[vi][1], controlPoints[vi][2]);
			FbxVector4 fNormal;
			fmesh->GetPolygonVertexNormal(i, j, fNormal);
			vertex.uv = getUV(fmesh, vi, i, j);
			vertex.normal = reVec3(fNormal[0], fNormal[1], fNormal[2]);
			face->vertices.push_back(vertex);	
		}
		reMaterial* mat =  getMaterial(fmesh, i, mesh->materialSet);
		mesh->addFace(face,mat ? mat->id: -1);
	}
	
	reMeshAsset* meshAsset = new reMeshAsset(meshes);
	meshAsset->mesh = mesh;
	meshes->children.push_back(meshAsset);
	meshAsset->setPath((dataDir().toStdString() + "/" + fbxNode->GetName() + ".mesh").c_str());
	mesh->save(dataDir().toStdString() + "/" + fbxNode->GetName() + ".mesh");
	return mesh;
}
// 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);
	}
}
Exemplo n.º 5
0
void FBXExporter::ProcessMesh(FbxNode* inNode)
{
	FbxMesh* currMesh = inNode->GetMesh();

	mTriangleCount = currMesh->GetPolygonCount();
	int vertexCounter = 0;
	mTriangles.reserve(mTriangleCount);

	//per triangle
	for (unsigned int i = 0; i < mTriangleCount; ++i)
	{
		XMFLOAT3 normal[3];
		XMFLOAT3 binormal[3];
		XMFLOAT2 UV[3][2];
		Triangle currTriangle;
		mTriangles.push_back(currTriangle);
		
		//per vertex
		for (unsigned int j = 0; j < 3; ++j)
		{
			int ctrlPointIndex = currMesh->GetPolygonVertex(i, j);
			CtrlPoint* currCtrlPoint = mControlPoints[ctrlPointIndex];


			PNTIWVertex temp;
			temp.mPosition = currCtrlPoint->mPosition;
			temp.mNormal = normal[j];
			temp.mUV = UV[j][0];

			mVertices.push_back(temp);
			mTriangles.back().mIndices.push_back(vertexCounter);
			++vertexCounter;
		}
	}

	// Now mControlPoints has served its purpose
	// We can free its memory
	for(auto itr = mControlPoints.begin(); itr != mControlPoints.end(); ++itr)
	{
		delete itr->second;
	}
	mControlPoints.clear();
}
Exemplo n.º 6
0
JNIEXPORT jintArray JNICALL Java_de_tesis_dynaware_javafx_graphics_importers_fbx_JFbxLib_getMeshFaceSmoothingGroups(JNIEnv *env, jobject obj, jint attributeIndex) {

	// Check FBX file has been opened.
	if (!isOpen()) { throwFileClosedException(env); }

	// Check attribute index bounds for safety.
	if (!checkAttributeBounds(attributeIndex)) { throwArrayOutOfBoundsException(env); }

	// Check attribute type for safety.
	if (!isValidType(attributeIndex, FbxNodeAttribute::EType::eMesh)) { return NULL; }

	FbxMesh* mesh = (FbxMesh*)currentNode->GetNodeAttributeByIndex(attributeIndex);

	FbxGeometryElementSmoothing* smoothingElement = mesh->GetElementSmoothing(0);

	// If smoothing is not defined explicitly, try to convert from normals. Convert edge-smoothing to face-smoothing.
	if (!smoothingElement || smoothingElement->GetMappingMode() == FbxGeometryElement::eByEdge) {

		FbxGeometryConverter geometryConverter(sdkManager);
		if (!smoothingElement) {
			geometryConverter.ComputeEdgeSmoothingFromNormals(mesh);
			smoothingElement = mesh->GetElementSmoothing(0);
		}
		if (smoothingElement->GetMappingMode() == FbxGeometryElement::eByEdge) {
			geometryConverter.ComputePolygonSmoothingFromEdgeSmoothing(mesh);
		}
	}

	const int polygonCount = mesh->GetPolygonCount();

	jintArray faceSmoothingGroups = env->NewIntArray(polygonCount);

	// Check memory could be allocated.
	if (faceSmoothingGroups == NULL) { throwOutOfMemoryError(env); }

	for (int i=0; i<polygonCount; i++) {
		jint iValue = smoothingElement->GetDirectArray().GetAt(i);
		env->SetIntArrayRegion(faceSmoothingGroups, i, 1, &iValue);
	}

	return faceSmoothingGroups;
}
Exemplo n.º 7
0
void FbxParser::ProcessMesh(FbxNode* pNode,std::vector<GS::BaseMesh*>& meshs)
{
	FbxMesh* lMesh = (FbxMesh*) pNode->GetNodeAttribute ();
	if (lMesh == NULL)
		return ; 
	int triangleCount = lMesh->GetPolygonCount();  
    int vertexCounter = 0;  
	if (triangleCount ==0)
		return ; 
	
	GS::BaseMesh* pMesh = new GS::BaseMesh();
	GS::double3 p0, p1, p2;
	int vertexId = 0;
	GS::VertexInfo v1, v2, v3;
	
	for(int i = 0 ; i < triangleCount ; ++i)  
    {
        int ctrlPointIndex = lMesh->GetPolygonVertex(i , 0);
		
		ReadVertex(lMesh, ctrlPointIndex, v1.pos);
		ReadColor(lMesh, ctrlPointIndex, vertexId, v1.color);
		ReadNormal(lMesh, ctrlPointIndex, vertexId++, v1.normal);
		
		// read the second vertex
		ctrlPointIndex = lMesh->GetPolygonVertex(i , 1);
	    ReadVertex(lMesh, ctrlPointIndex, v2.pos);
		ReadColor(lMesh, ctrlPointIndex, vertexId, v2.color);
		ReadNormal(lMesh, ctrlPointIndex, vertexId++, v2.normal);
		// read the third vertex
		ctrlPointIndex = lMesh->GetPolygonVertex(i , 2);
		ReadVertex(lMesh, ctrlPointIndex, v3.pos);
		ReadColor(lMesh, ctrlPointIndex, vertexId, v3.color);
		ReadNormal(lMesh, ctrlPointIndex, vertexId++, v3.normal);
		pMesh->Add(v1, v2, v3);
	}
	pMesh->GenID();
	//pMesh->GenSurface();
	pMesh->GenAABB(true);
	meshs.push_back(pMesh);
}
Exemplo n.º 8
0
JNIEXPORT jintArray JNICALL Java_de_tesis_dynaware_javafx_graphics_importers_fbx_JFbxLib_getMeshFaces(JNIEnv *env, jobject obj, jint attributeIndex) {

	// Check FBX file has been opened.
	if (!isOpen()) { throwFileClosedException(env); }

	// Check attribute index bounds for safety.
	if (!checkAttributeBounds(attributeIndex)) { throwArrayOutOfBoundsException(env); }

	// Check attribute type for safety.
	if (!isValidType(attributeIndex, FbxNodeAttribute::EType::eMesh)) { return NULL; }

	FbxMesh* mesh = (FbxMesh*)currentNode->GetNodeAttributeByIndex(attributeIndex);

	bool byPolygonVertex = false;
	bool index           = false;
	bool indexToDirect   = false;
	bool direct          = false;

	FbxLayerElementUV *firstLayer = mesh->GetElementUV(0);
	if (firstLayer!=NULL) {
		byPolygonVertex = firstLayer->GetMappingMode()==FbxLayerElement::EMappingMode::eByPolygonVertex;
		index           = firstLayer->GetReferenceMode()==FbxLayerElement::EReferenceMode::eIndex;
		indexToDirect   = firstLayer->GetReferenceMode()==FbxLayerElement::EReferenceMode::eIndexToDirect;
		direct          = firstLayer->GetReferenceMode()==FbxLayerElement::EReferenceMode::eDirect;
	}

	const int polygonCount = mesh->GetPolygonCount();

	jintArray faces = env->NewIntArray(6*polygonCount);

	// Check memory could be allocated.
	if (faces == NULL) { throwOutOfMemoryError(env); }

	for (int i=0; i<polygonCount; i++) {
		jint face[6];

		// Assume we are working with a triangle mesh.
		face[0] = mesh->GetPolygonVertex(i,0);
		face[2] = mesh->GetPolygonVertex(i,1);
		face[4] = mesh->GetPolygonVertex(i,2);

		if (byPolygonVertex && (index || indexToDirect)) {
			face[1] = mesh->GetTextureUVIndex(i, 0);
			face[3] = mesh->GetTextureUVIndex(i, 1);
			face[5] = mesh->GetTextureUVIndex(i, 2);
		}
		else if (direct) {
			face[1] = 3*i;
			face[3] = 3*i+1;
			face[5] = 3*i+2;
		}
		else {
			face[1] = 0;
			face[3] = 0;
			face[5] = 0;
		}

		env->SetIntArrayRegion(faces, 6*i, 6, face);
	}

	return faces;
}
void MeshImporter::LoadNodeMesh(FbxNode* node, ID3D11Device3* device,
	ID3D11DeviceContext3* context)
{
	unsigned int numPolygons = 0;
	unsigned int numVertices = 0;
	unsigned int numIndices = 0;
	unsigned int numPolygonVert = 0;

	if (node->GetNodeAttribute() != NULL &&
		node->GetNodeAttribute()->GetAttributeType() == FbxNodeAttribute::eMesh)
	{
		//PrintNode(node);

		// Create meshes
		FbxMesh* fbxMesh = node->GetMesh();
		numPolygons = fbxMesh->GetPolygonCount();
		numIndices = fbxMesh->GetPolygonVertexCount();
		numVertices = fbxMesh->GetControlPointsCount();

		// Do not use indexed drawing method
		numVertices = numIndices;

		vector<Vertex> vertices(numVertices);
		vector<unsigned int> indices(numIndices);

		numPolygonVert = 3;
		//assert(numPolygonVert == 3);

		FbxVector4* controlPoints = fbxMesh->GetControlPoints();

		int* indices_array = fbxMesh->GetPolygonVertices();

		// Need to be changed for optimization
		for (unsigned int i = 0; i < numIndices; i++)
		{
			indices[i] = indices_array[i];

			vertices[i].pos.x = (float)fbxMesh->GetControlPointAt(indices[i]).mData[0] / 10000.0f;
			vertices[i].pos.y = (float)fbxMesh->GetControlPointAt(indices[i]).mData[1] / 10000.0f;
			vertices[i].pos.z = (float)fbxMesh->GetControlPointAt(indices[i]).mData[2] / 10000.0f;
		}

		// For indexed drawing
		/*for (unsigned int i = 0; i < numVertices; i++)
		{
		vertices[i].pos.x = (float)controlPoints[i].mData[0];// / 25.0f;
		vertices[i].pos.y = (float)controlPoints[i].mData[1];// / 25.0f;
		vertices[i].pos.z = (float)controlPoints[i].mData[2];// / 25.0f;
		}*/

		LoadUV(fbxMesh, &vertices[0], &indices[0]);

		// Set to be clockwise, must be done after reading uvs and normals
		for (auto it = vertices.begin(); it != vertices.end(); it += 3)
		{
			std::swap(*it, *(it + 2));
		}

		//OutputDebugStringA(("\n number of polygons: " + to_string(numPolygons) + " \n").c_str());
		//OutputDebugStringA(("\n number of indices: " + to_string(numIndices) + " \n").c_str());
		//OutputDebugStringA(("\n number of vertices: " + to_string(vertices.size()) + " \n").c_str());

		ModelObj::MeshEntry mesh;
		mesh.vertices = vertices;
		mesh.indices = indices;
		mesh.numVertices = numVertices;
		mesh.numIndices = numIndices;

		LoadMaterials(node, &mesh, device, context);

		model->entries.push_back(mesh);
	}

	for (int i = 0; i < node->GetChildCount(); i++)
	{
		LoadNodeMesh(node->GetChild(i), device, context);
	}
}
Exemplo n.º 10
0
//--------------------------------------------------------------------------
void SaveMesh(FbxNode* pNode, const VeDirectoryPtr& spDest) noexcept
{
	Mesh kMesh;
	FbxMesh* pMesh = (FbxMesh*)pNode->GetNodeAttribute();
	
	kMesh.m_kName = pNode->GetName();
	kMesh.m_stFaces = pMesh->GetPolygonCount();
	kMesh.m_stVerts = kMesh.m_stFaces * 3;

	kMesh.m_kIndices.resize(kMesh.m_stVerts);
	kMesh.m_kPosition.resize(kMesh.m_stVerts);

	kMesh.m_kNormals.resize(pMesh->GetElementNormalCount());
	for (auto& v : kMesh.m_kNormals)
	{
		v.resize(kMesh.m_stVerts);
	}
	kMesh.m_kTexcoords.resize(pMesh->GetElementUVCount());
	for (auto& v : kMesh.m_kTexcoords)
	{
		v.resize(kMesh.m_stVerts);
	}
	kMesh.m_kColors.resize(pMesh->GetElementVertexColorCount());
	for (auto& v : kMesh.m_kColors)
	{
		v.resize(kMesh.m_stVerts);
	}	

	int element_mat = -1;
	for (int i(0); i < pMesh->GetElementMaterialCount(); ++i)
	{
		FbxGeometryElementMaterial* lMaterialElement = pMesh->GetElementMaterial(i);
		if (lMaterialElement->GetMappingMode() == FbxGeometryElement::eByPolygon)
		{
			element_mat = i;
			break;
		}
	}
	if (element_mat >= 0)
	{
		kMesh.m_kAttributes.resize(kMesh.m_stFaces);
	}

	FbxVector4* lControlPoints = pMesh->GetControlPoints();
	for (int i(0); i < (int)(kMesh.m_stFaces); ++i)
	{
		int lPolygonSize = pMesh->GetPolygonSize(i);
		VE_ASSERT_ALWAYS(lPolygonSize == 3);
		for (int j(0); j < lPolygonSize; ++j)
		{
			uint32_t u32Index = i * 3 + j;
			kMesh.m_kIndices[u32Index] = u32Index;
			int lControlPointIndex = pMesh->GetPolygonVertex(i, j);
			auto& pos = kMesh.m_kPosition[u32Index];
			pos.x = (float)lControlPoints[lControlPointIndex][0];
			pos.y = (float)lControlPoints[lControlPointIndex][1];
			pos.z = (float)lControlPoints[lControlPointIndex][2];
			
			for (int k(0); k < (int)(kMesh.m_kColors.size()); ++k)
			{
				FbxColor c;
				FbxGeometryElementVertexColor* leVtxc = pMesh->GetElementVertexColor(k);
				switch (leVtxc->GetMappingMode())
				{
				default:
					break;
				case FbxGeometryElement::eByControlPoint:
					switch (leVtxc->GetReferenceMode())
					{
					case FbxGeometryElement::eDirect:
						c = leVtxc->GetDirectArray().GetAt(lControlPointIndex);
						break;
					case FbxGeometryElement::eIndexToDirect:
					{
						int id = leVtxc->GetIndexArray().GetAt(lControlPointIndex);
						c = leVtxc->GetDirectArray().GetAt(id);
					}
					break;
					default:
						break; // other reference modes not shown here!
					}
					break;

				case FbxGeometryElement::eByPolygonVertex:
				{
					switch (leVtxc->GetReferenceMode())
					{
					case FbxGeometryElement::eDirect:
						c = leVtxc->GetDirectArray().GetAt(u32Index);
						break;
					case FbxGeometryElement::eIndexToDirect:
					{
						int id = leVtxc->GetIndexArray().GetAt(u32Index);
						c = leVtxc->GetDirectArray().GetAt(id);
					}
					break;
					default:
						break; // other reference modes not shown here!
					}
				}
				break;
				case FbxGeometryElement::eByPolygon: // doesn't make much sense for UVs
				case FbxGeometryElement::eAllSame:   // doesn't make much sense for UVs
				case FbxGeometryElement::eNone:       // doesn't make much sense for UVs
					break;
				}
				auto& color = kMesh.m_kColors[k][u32Index];
				color.x = (float)c[0];
				color.y = (float)c[1];
				color.z = (float)c[2];
				color.w = (float)c[3];
			}

			for (int k(0); k < (int)(kMesh.m_kTexcoords.size()); ++k)
			{
				FbxVector2 uv;
				FbxGeometryElementUV* leUV = pMesh->GetElementUV(k);
				switch (leUV->GetMappingMode())
				{
				default:
					break;
				case FbxGeometryElement::eByControlPoint:
					switch (leUV->GetReferenceMode())
					{
					case FbxGeometryElement::eDirect:
						uv = leUV->GetDirectArray().GetAt(lControlPointIndex);
						break;
					case FbxGeometryElement::eIndexToDirect:
					{
						int id = leUV->GetIndexArray().GetAt(lControlPointIndex);
						uv = leUV->GetDirectArray().GetAt(id);
					}
					break;
					default:
						break; // other reference modes not shown here!
					}
					break;

				case FbxGeometryElement::eByPolygonVertex:
				{
					int lTextureUVIndex = pMesh->GetTextureUVIndex(i, j);
					switch (leUV->GetReferenceMode())
					{
					case FbxGeometryElement::eDirect:
					case FbxGeometryElement::eIndexToDirect:
					{
						uv = leUV->GetDirectArray().GetAt(lTextureUVIndex);
					}
					break;
					default:
						break; // other reference modes not shown here!
					}
				}
				break;

				case FbxGeometryElement::eByPolygon: // doesn't make much sense for UVs
				case FbxGeometryElement::eAllSame:   // doesn't make much sense for UVs
				case FbxGeometryElement::eNone:       // doesn't make much sense for UVs
					break;
				}

				auto& texcoord = kMesh.m_kTexcoords[k][u32Index];
				texcoord.x = (float)uv[0];
				texcoord.y = (float)uv[1];
			}
			
			for (int k(0); k < (int)(kMesh.m_kNormals.size()); ++k)
			{
				FbxVector4 n;
				FbxGeometryElementNormal* leNormal = pMesh->GetElementNormal(k);
				if (leNormal->GetMappingMode() == FbxGeometryElement::eByPolygonVertex)
				{
					switch (leNormal->GetReferenceMode())
					{
					case FbxGeometryElement::eDirect:
						n = leNormal->GetDirectArray().GetAt(u32Index);
						break;
					case FbxGeometryElement::eIndexToDirect:
					{
						int id = leNormal->GetIndexArray().GetAt(u32Index);
						n = leNormal->GetDirectArray().GetAt(id);
					}
					break;
					default:
						break; // other reference modes not shown here!
					}
				}

				auto& normal = kMesh.m_kNormals[k][u32Index];
				normal.x = (float)n[0];
				normal.y = (float)n[1];
				normal.z = (float)n[2];
			}

			if (element_mat >= 0)
			{
				FbxGeometryElementMaterial* lMaterialElement = pMesh->GetElementMaterial(element_mat);
				FbxSurfaceMaterial* lMaterial = NULL;
				int lMatId = -1;
				lMaterial = pMesh->GetNode()->GetMaterial(lMaterialElement->GetIndexArray().GetAt(i));
				lMatId = lMaterialElement->GetIndexArray().GetAt(i);
				kMesh.m_kAttributes[i] = lMatId;
			}
		}
	}
	kMesh.Process();
	kMesh.Save(spDest);
}
Exemplo n.º 11
0
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;
		}
	}
}
Exemplo n.º 12
0
FBXLoader::FBXLoader(const char *filename)
{
  m_error = true;
  if (m_fbx_sdk_manager == nullptr)
  {
    m_fbx_sdk_manager = FbxManager::Create();
    m_fbx_sdk_manager->SetIOSettings(FbxIOSettings::Create(m_fbx_sdk_manager, IOSROOT));
  }
  FbxImporter *importer = FbxImporter::Create(m_fbx_sdk_manager, "");
  FbxScene *scene = FbxScene::Create(m_fbx_sdk_manager, "");
  if (!importer->Initialize(filename, -1, m_fbx_sdk_manager->GetIOSettings()))
    return;
  if (!importer->Import(scene))
    return;
  importer->Destroy();

  FbxNode *root_node = scene->GetRootNode();
  if (root_node)
  {
    for (int i = 0; i < root_node->GetChildCount(); i++)
    {
      FbxNode *child_node = root_node->GetChild(i);
      if (child_node->GetNodeAttribute() == NULL)
        continue;

      FbxNodeAttribute::EType type = child_node->GetNodeAttribute()->GetAttributeType();
      if (type != FbxNodeAttribute::eMesh)
        continue;

      FbxMesh *mesh = (FbxMesh *) child_node->GetNodeAttribute();
      FbxVector4 *vertices = mesh->GetControlPoints();
      for (int j = 0; j < mesh->GetPolygonCount(); j++)
      {
        int num_verts = mesh->GetPolygonSize(j);
        assert(num_verts == 3);
        DirectX::XMFLOAT3 vertex[3];
        FbxVector4 polygon_normal(0, 0, 0);

        for (int k = 0; k < num_verts; k++)
        {
          int control_point_idx = mesh->GetPolygonVertex(j, k);
          FbxVector4 vertex_normal;
          mesh->GetPolygonVertexNormal(j, k, vertex_normal);
          polygon_normal += vertex_normal;
          vertex[k].x = (float) vertices[control_point_idx].mData[0];
          vertex[k].y = (float) vertices[control_point_idx].mData[1];
          vertex[k].z = (float) vertices[control_point_idx].mData[2];
        }

        if (IsClockwise(vertex, num_verts, polygon_normal))
        {
          for (int i = 0; i < num_verts; i++)
            m_vertices.push_back(ToD3DCoordinateSystem(vertex[i]));
        }
        else
        {
          for (int i = 0; i < num_verts; i++)
            m_vertices.push_back(ToD3DCoordinateSystem(vertex[num_verts - 1 - i]));
        }
      }
    }
  }

  for (size_t i = 0; i < m_vertices.size(); i++)
    m_indices.push_back(i);

  m_error = false;
}
Exemplo n.º 13
0
	void importFBXNode(
		FbxNode *node, 
		vector<Vector3> &vertices, 
		vector<Color> &colors, 
		vector<Vector2> &uvs, 
		vector<Vector3> &normals,
		vector<uint32> &elements) {

		FbxNode *childNode = 0;
		int numKids = node->GetChildCount();
		for ( int i=0 ; i<numKids ; i++)
		{
			childNode = node->GetChild(i);
			FbxMesh *mesh = childNode->GetMesh();

			if ( mesh != NULL )
			{
				auto offset = node->GetGeometricTranslation(FbxNode::eSourcePivot);

				//================= Get Vertices ====================================
				int baseline = vertices.size();
				int numVerts = mesh->GetControlPointsCount();

				for ( int j=0; j<numVerts; j++)
				{
					FbxVector4 vert = mesh->GetControlPointAt(j);
					vertices.push_back(
						Vector3(vert.mData[0], vert.mData[1], vert.mData[2])
						/*+ Vector3(offset.mData[0], offset.mData[1], offset.mData[2])*/);
					colors.push_back(Vector3(1, 1, 1));
					uvs.push_back(Vector2(0, 0));
				}

				//================= Get Indices ====================================
				int numIndices=mesh->GetPolygonVertexCount();
				int *indicesRaw = mesh->GetPolygonVertices();
				for (int j = 0; j < numIndices; j++) {
					elements.push_back(indicesRaw[j] + baseline);
				}

				int cnt = 0;
				int polygonCount = mesh->GetPolygonCount();
				for (int j = 0; j < polygonCount; ++j) {

					FbxLayerElementArrayTemplate<FbxVector2>* uvVertices= 0;
					mesh->GetTextureUV(&uvVertices, FbxLayerElement::eTextureDiffuse);

					for (int k = 0; k < mesh->GetPolygonSize(j); ++k) {

						FbxVector2 uv = (*uvVertices)[mesh->GetTextureUVIndex(j, k)];

						uvs[indicesRaw[cnt] + baseline].x = uv[0];
						uvs[indicesRaw[cnt] + baseline].y = uv[1];
						cnt++;
					}
				}
			}

			importFBXNode(childNode, vertices, colors, uvs, normals, elements);
		}
	}
Exemplo n.º 14
0
bool FillData(ModelData* someData,FbxNode* aNode, AnimationData* aAnimation)
{
	FbxMesh* mesh = aNode->GetMesh();
	if (mesh == nullptr || !aNode)
		return false;

	const int lPolygonCount = mesh->GetPolygonCount();

	// Count the polygon count of each material
	FbxLayerElementArrayTemplate<int>* lMaterialIndice = NULL;
	FbxGeometryElement::EMappingMode lMaterialMappingMode = FbxGeometryElement::eNone;
	if (mesh->GetElementMaterial())
	{
		lMaterialIndice = &mesh->GetElementMaterial()->GetIndexArray();
		lMaterialMappingMode = mesh->GetElementMaterial()->GetMappingMode();
		if (lMaterialIndice && lMaterialMappingMode == FbxGeometryElement::eByPolygon)
		{
			FBX_ASSERT(lMaterialIndice->GetCount() == lPolygonCount);
			if (lMaterialIndice->GetCount() == lPolygonCount)
			{
				// Count the faces of each material
				for (int lPolygonIndex = 0; lPolygonIndex < lPolygonCount; ++lPolygonIndex)
				{
					const int lMaterialIndex = lMaterialIndice->GetAt(lPolygonIndex);
					lMaterialIndex;
					/*if (someData->mSubMeshes[lMaterialIndex] == NULL)
					{
						someData->mSubMeshes[lMaterialIndex] = new ModelData::SubMesh;
					}
					someData->mSubMeshes[lMaterialIndex]->TriangleCount += 1;*/
				}

				// Make sure we have no "holes" (NULL) in the mSubMeshes table. This can happen
				// if, in the loop above, we resized the mSubMeshes by more than one slot.
					
				/*for (int i = 0; i < someData->mSubMeshes.Count(); i++)
				{
					if (someData->mSubMeshes[i] == NULL)
						someData->mSubMeshes[i] = new ModelData::SubMesh;
				}*/

				// Record the offset (how many vertex)
				const int lMaterialCount = someData->mSubMeshes.Size();
				lMaterialCount;
				int lOffset = 0;
				/*for (int lIndex = 0; lIndex < lMaterialCount; ++lIndex)
				{
					someData->mSubMeshes[lIndex]->IndexOffset = lOffset;
					lOffset += someData->mSubMeshes[lIndex]->TriangleCount * 3;
					// This will be used as counter in the following procedures, reset to zero
					someData->mSubMeshes[lIndex]->TriangleCount = 0;
				}*/
				FBX_ASSERT(lOffset == lPolygonCount * 3);
			}
		}
	}

	// All faces will use the same material.
	if (someData->mSubMeshes.Size() == 0)
	{
		if (someData->mSubMeshes.GetCapacity() == 0)
		{
			someData->mSubMeshes.Init(1);
		}
		someData->mSubMeshes.RemoveAll();
		someData->mSubMeshes.AddEmptyObject();
		someData->mSubMeshes[0] = new ModelData::SubMesh();
	}

		

	bool hasNormalMap = false;

	const int lMaterialCount = aNode->GetMaterialCount();
	for (int lMaterialIndex = 0; lMaterialIndex < lMaterialCount; ++lMaterialIndex)
	{
		FbxSurfaceMaterial * lMaterial = aNode->GetMaterial(lMaterialIndex);
		if (lMaterial && !lMaterial->GetUserDataPtr())
		{
			TextureInfo diffuseInfo;
			GetMaterialProperty(lMaterial,FbxSurfaceMaterial::sDiffuse,FbxSurfaceMaterial::sDiffuseFactor,diffuseInfo.myFileName);
			diffuseInfo.myType = DIFFUSE;
			if(diffuseInfo.myFileName.empty() == false)
			{
				someData->myTextures.push_back(diffuseInfo);
			}

			TextureInfo normalInfo;
			GetMaterialProperty(lMaterial,FbxSurfaceMaterial::sNormalMap,FbxSurfaceMaterial::sBumpFactor,normalInfo.myFileName);
			hasNormalMap = normalInfo.myFileName.empty() == false;
			normalInfo.myType = NORMALMAP;
			if(normalInfo.myFileName.empty() == false)
			{
				someData->myTextures.push_back(normalInfo);
				hasNormalMap = true;
			}

			TextureInfo roughnessInfo;
			GetMaterialProperty(lMaterial,FbxSurfaceMaterial::sSpecular,FbxSurfaceMaterial::sSpecularFactor,roughnessInfo.myFileName);
			roughnessInfo.myType = ROUGHNESS;
			if(roughnessInfo.myFileName.empty() == false)
			{
				someData->myTextures.push_back(roughnessInfo);
			}

			TextureInfo substanceInfo;
			GetMaterialProperty(lMaterial,FbxSurfaceMaterial::sReflection,FbxSurfaceMaterial::sReflectionFactor,substanceInfo.myFileName);
			substanceInfo.myType = SUBSTANCE;
			if(substanceInfo.myFileName.empty() == false)
			{
				someData->myTextures.push_back(substanceInfo);
			}

			TextureInfo ambientInfo;
			GetMaterialProperty(lMaterial, FbxSurfaceMaterial::sAmbient, FbxSurfaceMaterial::sAmbientFactor, ambientInfo.myFileName);
			ambientInfo.myType = AO;
			if (substanceInfo.myFileName.empty() == false)
			{
				someData->myTextures.push_back(ambientInfo);
			}
		}
	}

	// Congregate all the data of a mesh to be cached in VBOs.
	// If normal or UV is by polygon vertex, record all vertex attributes by polygon vertex.'
		
	someData->mHasNormal = mesh->GetElementNormalCount() > 0;
	someData->mHasUV = mesh->GetElementUVCount() > 0;
	someData->myHasBiNormal = mesh->GetElementBinormalCount() > 0;

	FbxSkin * lSkinDeformer = (FbxSkin *)mesh->GetDeformer(0, FbxDeformer::eSkin);
	someData->myHasSkinweights = lSkinDeformer != nullptr;

	if(hasNormalMap && someData->myHasBiNormal == false)
	{
		mesh->GenerateTangentsDataForAllUVSets();
		someData->myHasBiNormal = mesh->GetElementBinormalCount() > 0;
	}
	someData->myHasTangents = mesh->GetElementTangentCount() > 0;
		
	FbxGeometryElement::EMappingMode lNormalMappingMode = FbxGeometryElement::eNone;
	FbxGeometryElement::EMappingMode lUVMappingMode = FbxGeometryElement::eNone;
	if (someData->mHasNormal)
	{
		lNormalMappingMode = mesh->GetElementNormal(0)->GetMappingMode();
		if (lNormalMappingMode == FbxGeometryElement::eNone)
		{
			someData->mHasNormal = false;
		}
		if (someData->mHasNormal && lNormalMappingMode != FbxGeometryElement::eByControlPoint)
		{
			someData->mAllByControlPoint = false;
		}
	}
	if (someData->mHasUV)
	{
		lUVMappingMode = mesh->GetElementUV(0)->GetMappingMode();
		if (lUVMappingMode == FbxGeometryElement::eNone)
		{
			someData->mHasUV = false;
		}
		if (someData->mHasUV && lUVMappingMode != FbxGeometryElement::eByControlPoint)
		{
			someData->mAllByControlPoint = false;
		}
	}

	// Allocate the array memory, by control point or by polygon vertex.
	int lPolygonVertexCount = mesh->GetControlPointsCount();
	//if (!someData->my)
	{
		ModelData::Layout newLayout;
		newLayout.myType = ModelData::VERTEX_POS;
		newLayout.mySize = VERTEX_STRIDE;
		newLayout.myOffset = 0;
		someData->myLayout.Add(newLayout);
		lPolygonVertexCount = lPolygonCount * TRIANGLE_VERTEX_COUNT;
	}
	int stride = VERTEX_STRIDE;
	size_t size = lPolygonVertexCount * VERTEX_STRIDE;
	//float * lVertices = new float[lPolygonVertexCount * VERTEX_STRIDE];
	unsigned int * lIndices = new unsigned int[lPolygonCount * TRIANGLE_VERTEX_COUNT];
	someData->myIndexCount = lPolygonCount * TRIANGLE_VERTEX_COUNT;
	//float * lNormals = NULL;
	if (someData->mHasNormal)
	{
		ModelData::Layout newLayout;
		newLayout.myType = ModelData::VERTEX_NORMAL;
		newLayout.mySize = NORMAL_STRIDE;
		newLayout.myOffset = stride*4;
		someData->myLayout.Add(newLayout);

		stride += NORMAL_STRIDE;
		size += lPolygonVertexCount * NORMAL_STRIDE;
		//lNormals = new float[lPolygonVertexCount * NORMAL_STRIDE];
	}
	//float * lUVs = NULL;
	FbxStringList lUVNames;
	mesh->GetUVSetNames(lUVNames);
	const char * lUVName = NULL;
	if (someData->mHasUV && lUVNames.GetCount())
	{
		ModelData::Layout newLayout;
		newLayout.myType = ModelData::VERTEX_UV;
		newLayout.mySize = UV_STRIDE;
		newLayout.myOffset = stride*4;
		someData->myLayout.Add(newLayout);

		stride += UV_STRIDE;
		size += lPolygonVertexCount * UV_STRIDE;
		//lUVs = new float[lPolygonVertexCount * UV_STRIDE];
		lUVName = lUVNames[0];
	}

	if (someData->myHasBiNormal)
	{
		ModelData::Layout newLayout;
		newLayout.myType = ModelData::VERTEX_BINORMAL;
		newLayout.mySize = BINORMAL_STRIDE;
		newLayout.myOffset = stride*4;
		someData->myLayout.Add(newLayout);

		stride += BINORMAL_STRIDE;
		size += lPolygonVertexCount * BINORMAL_STRIDE;
		//lUVs = new float[lPolygonVertexCount * UV_STRIDE];
	}

	if (someData->myHasTangents)
	{
		ModelData::Layout newLayout;
		newLayout.myType = ModelData::VERTEX_TANGENT;
		newLayout.mySize = TANGENT_STRIDE;
		newLayout.myOffset = stride*4;
		someData->myLayout.Add(newLayout);

		stride += TANGENT_STRIDE;
		size += lPolygonVertexCount * TANGENT_STRIDE;
		//lUVs = new float[lPolygonVertexCount * UV_STRIDE];
	}

	if (someData->myHasSkinweights)
	{
		ModelData::Layout newLayout;
		newLayout.myType = ModelData::VERTEX_SKINWEIGHTS;
		newLayout.mySize = SKINWEIGHT_STRIDE;
		newLayout.myOffset = stride*4;
		someData->myLayout.Add(newLayout);

		stride += SKINWEIGHT_STRIDE;
		size += lPolygonVertexCount * SKINWEIGHT_STRIDE;

		newLayout.myType = ModelData::VERTEX_BONEID;
		newLayout.mySize = BONEID_STRIDE;
		newLayout.myOffset = stride*4;
		someData->myLayout.Add(newLayout);

		stride += BONEID_STRIDE;
		size += lPolygonVertexCount * BONEID_STRIDE;
		//lUVs = new float[lPolygonVertexCount * UV_STRIDE];
	}

	float * lVertices = new float[size];

	FbxAMatrix globalPos;
	FbxVector4* weights = nullptr;
	FbxVectorTemplate4<int>* bones = nullptr;
	FbxTime time = static_cast<FbxTime>(0.0f);
	if(someData->myHasSkinweights)
	{
		weights = new FbxVector4[mesh->GetControlPointsCount()];
		bones = new FbxVectorTemplate4<int>[mesh->GetControlPointsCount()];
		ComputeLinearDeformation(globalPos,mesh,weights,bones,aAnimation);
	}

	const FbxGeometryElementBinormal * lBiNormalElement = NULL;
	const FbxGeometryElementTangent * lTangentElement = NULL;

	if (someData->myHasBiNormal)
	{
		lBiNormalElement = mesh->GetElementBinormal(0);
	}
	if (someData->myHasTangents)
	{
		lTangentElement = mesh->GetElementTangent(0);
	}

	// Populate the array with vertex attribute, if by control point.
	const FbxVector4 * lControlPoints = mesh->GetControlPoints();
	FbxVector4 lCurrentVertex;
	FbxVector4 lCurrentNormal;
	FbxVector4 lCurrentBiNormal;
	FbxVector4 lCurrentTangent;
	FbxVector2 lCurrentUV;
	if (someData->mAllByControlPoint)
	{
		const FbxGeometryElementNormal * lNormalElement = NULL;
		const FbxGeometryElementUV * lUVElement = NULL;
		if (someData->mHasNormal)
		{
			lNormalElement = mesh->GetElementNormal(0);
		}
		if (someData->mHasUV)
		{
			lUVElement = mesh->GetElementUV(0);
		}

		for (int lIndex = 0; lIndex < lPolygonVertexCount; ++lIndex)
		{
			int currentIndex = lIndex * stride;
			int addedSize = VERTEX_STRIDE;
			// Save the vertex position.
			lCurrentVertex = lControlPoints[lIndex];
				
			CU::Vector4f position(static_cast<float>(lCurrentVertex[0]),
					static_cast<float>(lCurrentVertex[1]),
					static_cast<float>(lCurrentVertex[2]),
					1);

			CU::Matrix44f fixMatrix;
			fixMatrix = CU::Matrix44<float>::CreateReflectionMatrixAboutAxis(CU::Vector3f(1,0,0));
			position = position*fixMatrix;

			lVertices[currentIndex] = position.x;
			lVertices[currentIndex + 1] = position.y;
			lVertices[currentIndex + 2] = position.z;
			lVertices[currentIndex + 3] = 1;


			// Save the normal.
			if (someData->mHasNormal)
			{
				int lNormalIndex = lIndex;
				if (lNormalElement->GetReferenceMode() == FbxLayerElement::eIndexToDirect)
				{
					lNormalIndex = lNormalElement->GetIndexArray().GetAt(lIndex);
				}
				lCurrentNormal = lNormalElement->GetDirectArray().GetAt(lNormalIndex);

				CU::Vector3f normal( static_cast<float>(lCurrentNormal[0]), static_cast<float>(lCurrentNormal[1]), static_cast<float>(lCurrentNormal[2]));
				normal = normal*CU::Matrix33<float>::CreateReflectionMatrixAboutAxis(CU::Vector3f(1, 0, 0));

				lVertices[currentIndex + addedSize] = normal.x;
				lVertices[currentIndex + addedSize + 1] = normal.y;
				lVertices[currentIndex + addedSize + 2] = normal.z;
				lVertices[currentIndex + addedSize + 3] = 0;
				addedSize += NORMAL_STRIDE;
			}

			// Save the UV.
			if (someData->mHasUV)
			{
				int lUVIndex = lIndex;
				if (lUVElement->GetReferenceMode() == FbxLayerElement::eIndexToDirect)
				{
					lUVIndex = lUVElement->GetIndexArray().GetAt(lIndex);
				}
				lCurrentUV = lUVElement->GetDirectArray().GetAt(lUVIndex);
				lVertices[currentIndex + addedSize] = static_cast<float>(lCurrentUV[0]);
				lVertices[currentIndex + addedSize + 1] = static_cast<float>(lCurrentUV[1])*-1.0f;
				addedSize += 2;
			}

			if (someData->myHasBiNormal)
				{
					int lBinormIndexIndex = lIndex;
					if (lBiNormalElement->GetReferenceMode() == FbxLayerElement::eIndexToDirect)
					{
						lBinormIndexIndex = lBiNormalElement->GetIndexArray().GetAt(lIndex);
					}

					lCurrentBiNormal = lBiNormalElement->GetDirectArray().GetAt(lBinormIndexIndex);
					//mesh->GetElementBinormal(lPolygonIndex, lVerticeIndex, lCurrentNormal);
					//lCurrentNormal = lCurrentNormal
					CU::Vector3f normal( static_cast<float>(lCurrentBiNormal[0]), static_cast<float>(lCurrentBiNormal[1]), static_cast<float>(lCurrentBiNormal[2]));
					normal = normal*CU::Matrix33<float>::CreateReflectionMatrixAboutAxis(CU::Vector3f(1, 0, 0));
					if (CU::Length(normal) != 0.f)
						CU::Normalize(normal);
					lVertices[currentIndex + addedSize] = normal.x;
					lVertices[currentIndex + addedSize + 1] = normal.y;
					lVertices[currentIndex + addedSize + 2] = normal.z;
					lVertices[currentIndex + addedSize + 3] = 0;
					addedSize += BINORMAL_STRIDE;
				}

				if (someData->myHasTangents)
				{
					int lBinormIndexIndex = lIndex;
					if (lTangentElement->GetReferenceMode() == FbxLayerElement::eIndexToDirect)
					{
						lBinormIndexIndex = lTangentElement->GetIndexArray().GetAt(lIndex);
					}

					lCurrentTangent = lTangentElement->GetDirectArray().GetAt(lBinormIndexIndex);

					//lCurrentNormal = lCurrentNormal
					CU::Vector3f normal( static_cast<float>(lCurrentTangent[0]), static_cast<float>(lCurrentTangent[1]), static_cast<float>(lCurrentTangent[2]));
					normal = normal*CU::Matrix33<float>::CreateReflectionMatrixAboutAxis(CU::Vector3f(1, 0, 0));
					if (CU::Length(normal) != 0.f)
						CU::Normalize(normal);
					lVertices[currentIndex + addedSize] = normal.x;
					lVertices[currentIndex + addedSize + 1] = normal.y;
					lVertices[currentIndex + addedSize + 2] = normal.z;
					lVertices[currentIndex + addedSize + 3] = 0;
					addedSize += TANGENT_STRIDE;
				}

				if(someData->myHasSkinweights)
				{
					FbxVector4 currentWeights = weights[lIndex];
					//currentWeights.Normalize();

					lVertices[currentIndex + addedSize] = static_cast<float>(currentWeights[0]);
					lVertices[currentIndex + addedSize + 1] = static_cast<float>(currentWeights[1]);
					lVertices[currentIndex + addedSize + 2] = static_cast<float>(currentWeights[2]);
					lVertices[currentIndex + addedSize + 3] = static_cast<float>(currentWeights[3]);
					addedSize += SKINWEIGHT_STRIDE;

					FbxVectorTemplate4<int> currentBones = bones[lIndex];

					lVertices[currentIndex + addedSize] = static_cast<float>(currentBones[0]);
					lVertices[currentIndex + addedSize + 1] = static_cast<float>(currentBones[1]);
					lVertices[currentIndex + addedSize + 2] = static_cast<float>(currentBones[2]);
					lVertices[currentIndex + addedSize + 3] = static_cast<float>(currentBones[3]);
					addedSize += BONEID_STRIDE;
				}
		}

	}

	int lVertexCount = 0;
	for (int lPolygonIndex = 0; lPolygonIndex < lPolygonCount; ++lPolygonIndex)
	{
		// The material for current face.
		int lMaterialIndex = 0;
		if (lMaterialIndice && lMaterialMappingMode == FbxGeometryElement::eByPolygon)
		{
			lMaterialIndex = lMaterialIndice->GetAt(lPolygonIndex);
		}

		// Where should I save the vertex attribute index, according to the material
		const int lIndexOffset = someData->mSubMeshes[lMaterialIndex]->IndexOffset +
			someData->mSubMeshes[lMaterialIndex]->TriangleCount * 3;
		for (int lVerticeIndex = TRIANGLE_VERTEX_COUNT-1; lVerticeIndex > -1; --lVerticeIndex)
		{
			const int lControlPointIndex = mesh->GetPolygonVertex(lPolygonIndex, lVerticeIndex);
				
			int vertexIndex = lIndexOffset + (TRIANGLE_VERTEX_COUNT-1) - lVerticeIndex;
			if (someData->mAllByControlPoint)
			{
				lIndices[vertexIndex] = static_cast<unsigned int>(lControlPointIndex);
			}
			// Populate the array with vertex attribute, if by polygon vertex.
			else
			{
				lIndices[vertexIndex] = static_cast<unsigned int>(lVertexCount);

				lCurrentVertex = lControlPoints[lControlPointIndex];
				int addedSize = VERTEX_STRIDE;
				int currentIndex = lVertexCount * stride;

				CU::Vector4f position(static_cast<float>(lCurrentVertex[0]),
					static_cast<float>(lCurrentVertex[1]),
					static_cast<float>(lCurrentVertex[2]),
					1);

				//fixMatrix
				CU::Matrix44f fixMatrix;
				fixMatrix = CU::Matrix44<float>::CreateReflectionMatrixAboutAxis(CU::Vector3f(1, 0, 0));
				position = position*fixMatrix;

				lVertices[currentIndex] = position.x;
				lVertices[currentIndex + 1] = position.y;
				lVertices[currentIndex + 2] = position.z;
				lVertices[currentIndex + 3] = 0;

				if (someData->mHasNormal)
				{
					mesh->GetPolygonVertexNormal(lPolygonIndex, lVerticeIndex, lCurrentNormal);
					CU::Vector3f normal( static_cast<float>(lCurrentNormal[0]), static_cast<float>(lCurrentNormal[1]), static_cast<float>(lCurrentNormal[2]));
					normal = normal*CU::Matrix33<float>::CreateReflectionMatrixAboutAxis(CU::Vector3f(1, 0, 0));
					if (CU::Length(normal) != 0.f)
						CU::Normalize(normal);

					lVertices[currentIndex + addedSize] = normal.x;
					lVertices[currentIndex + addedSize + 1] = normal.y;
					lVertices[currentIndex + addedSize + 2] = normal.z;
					lVertices[currentIndex + addedSize + 3] = 0;
					addedSize += NORMAL_STRIDE;
				}

				if (someData->mHasUV)
				{
					bool lUnmappedUV;
					mesh->GetPolygonVertexUV(lPolygonIndex, lVerticeIndex, lUVName, lCurrentUV, lUnmappedUV);
					lVertices[currentIndex + addedSize] = static_cast<float>(lCurrentUV[0]);
					lVertices[currentIndex + addedSize + 1] = static_cast<float>(lCurrentUV[1])*-1.0f;
					addedSize += UV_STRIDE;
				}
					
				if (someData->myHasBiNormal)
				{
					int lBinormIndexIndex = lVerticeIndex;
					if (lBiNormalElement->GetReferenceMode() == FbxLayerElement::eIndexToDirect)
					{
						lBinormIndexIndex = lBiNormalElement->GetIndexArray().GetAt(lVerticeIndex);
					}

					lCurrentBiNormal = lBiNormalElement->GetDirectArray().GetAt(lBinormIndexIndex);

					CU::Vector3f normal( static_cast<float>(lCurrentBiNormal[0]), static_cast<float>(lCurrentBiNormal[1]), static_cast<float>(lCurrentBiNormal[2]));
					normal = normal*CU::Matrix33<float>::CreateReflectionMatrixAboutAxis(CU::Vector3f(1, 0, 0));
					if (CU::Length(normal) != 0.f)
						CU::Normalize(normal);
					lVertices[currentIndex + addedSize] = normal.x;
					lVertices[currentIndex + addedSize + 1] = normal.y;
					lVertices[currentIndex + addedSize + 2] = normal.z;
					lVertices[currentIndex + addedSize + 3] = 0;
					addedSize += BINORMAL_STRIDE;
				}

				if (someData->myHasTangents)
				{
					int lBinormIndexIndex = lVerticeIndex;
					if (lTangentElement->GetReferenceMode() == FbxLayerElement::eIndexToDirect)
					{
						lBinormIndexIndex = lTangentElement->GetIndexArray().GetAt(lVerticeIndex);
					}

					lCurrentTangent = lTangentElement->GetDirectArray().GetAt(lBinormIndexIndex);

					mesh->GetPolygonVertexNormal(lPolygonIndex, lVerticeIndex, lCurrentNormal);

					CU::Vector3f normal( static_cast<float>(lCurrentTangent[0]), static_cast<float>(lCurrentTangent[1]), static_cast<float>(lCurrentTangent[2]));
					normal = normal*CU::Matrix33<float>::CreateReflectionMatrixAboutAxis(CU::Vector3f(1, 0, 0));
					if (CU::Length(normal) != 0.f)
						CU::Normalize(normal);
					lVertices[currentIndex + addedSize] = normal.x;
					lVertices[currentIndex + addedSize + 1] = normal.y;
					lVertices[currentIndex + addedSize + 2] = normal.z;
					lVertices[currentIndex + addedSize + 3] = 0;
					addedSize += TANGENT_STRIDE;
				}

				if(someData->myHasSkinweights)
				{
					FbxVector4 currentWeights = weights[lControlPointIndex];
					FbxVectorTemplate4<int> currentBones = bones[lControlPointIndex];
					for(int l = 0;l < 4;++l)
					{
						if(currentBones[l] == -1)
						{
							currentWeights[l] = 0.0f;
						}
					}
					currentWeights.Normalize();

					lVertices[currentIndex + addedSize] = static_cast<float>(currentWeights[0]);
					lVertices[currentIndex + addedSize + 1] = static_cast<float>(currentWeights[1]);
					lVertices[currentIndex + addedSize + 2] = static_cast<float>(currentWeights[2]);
					lVertices[currentIndex + addedSize + 3] = static_cast<float>(currentWeights[3]);
					addedSize += SKINWEIGHT_STRIDE;

						

					lVertices[currentIndex + addedSize] = *(float*)&currentBones[0];
					lVertices[currentIndex + addedSize + 1] = *(float*)&currentBones[1];
					lVertices[currentIndex + addedSize + 2] = *(float*)&currentBones[2];
					lVertices[currentIndex + addedSize + 3] = *(float*)&currentBones[3];
					addedSize += BONEID_STRIDE;
				}
			}
			++lVertexCount;
		}
		someData->mSubMeshes[lMaterialIndex]->TriangleCount += 1;
	}

	someData->myVertexCount = lVertexCount;
	someData->myVertexStride = stride;

	someData->myVertexBuffer = lVertices;
	someData->myIndicies = lIndices;

	if(weights)
	{
		delete [] weights;
		delete [] bones;
	}

	return true;
}
Exemplo n.º 15
0
HRESULT CStaticMesh::Load_StaticMesh(const char* szFilePath,const char* szFileName, FbxManager* _pFBXManager, FbxIOSettings* _pIOsettings, FbxScene* _pFBXScene, FbxImporter* _pImporter)
{
	HRESULT hr = E_FAIL;

	vector<UINT> vecIndeces;

	string	strFullPath;

	strFullPath.clear();
	strFullPath = szFilePath;
	strFullPath += szFileName;//경로에 파일이름 추가

	if (!(_pImporter->Initialize(strFullPath.c_str(), -1, _pFBXManager->GetIOSettings())))
		FAILED_CHECK_MSG(E_FAIL, L"Static Mesh Init Failed");
	if (!(_pImporter->Import(_pFBXScene)))
		FAILED_CHECK_MSG(E_FAIL, L"Static Mesh Import Failed");

	FbxGeometryConverter clsConverter(_pFBXManager);
	clsConverter.Triangulate(_pFBXScene, false);
	FbxNode* pRootNode = _pFBXScene->GetRootNode();

	if (!pRootNode)
		return E_FAIL;

	vector<VTXTEX> vecVTXTEX;

	for (int i = 0; i < pRootNode->GetChildCount(); ++i)
	{
		FbxNode* pChildNode = pRootNode->GetChild(i);

		if (pChildNode->GetNodeAttribute() == NULL)
			continue;

		FbxNodeAttribute::EType AttributeType = pChildNode->GetNodeAttribute()->GetAttributeType();

		if (AttributeType != FbxNodeAttribute::eMesh)
			continue;

		FbxMesh* pMesh = (FbxMesh*)pChildNode->GetNodeAttribute();  // 임폴트 하려는 메쉬의 데이터
		D3DXVECTOR3 vPos;
		D3DXVECTOR2 vOutUV;
		D3DXVECTOR3 vOutNormal;
		FbxVector4* mControlPoints = pMesh->GetControlPoints();
		int iVTXCounter = 0;



		for (int j = 0; j < pMesh->GetPolygonCount(); j++) // 폴리곤의 인덱스
		{
			int iNumVertices = pMesh->GetPolygonSize(j);
			assert(iNumVertices == 3);
			FbxGeometryElementUV* VtxUV = pMesh->GetElementUV(0);
			FbxGeometryElementNormal* VtxNormal = pMesh->GetElementNormal(0);



			for (int k = 0; k < iNumVertices; k++) // 폴리곤을 구성하는 버텍스의 인덱스
			{
				//정점 데이터 얻는곳
				int iControlPointIndex = pMesh->GetPolygonVertex(j, k); // 컨트롤 포인트 = 하나의 버텍스
				int iTextureUVIndex = pMesh->GetTextureUVIndex(j, k);  // Control = Vertex
				//int iNormalIndex = pMesh->GetPolygonVertexIndex(j, k);
				++iVTXCounter;

				vPos.x = (float)mControlPoints[iControlPointIndex].mData[0];
				vPos.y = -(float)mControlPoints[iControlPointIndex].mData[1];
				vPos.z = (float)mControlPoints[iControlPointIndex].mData[2];

				//uv 얻기
				switch (VtxUV->GetMappingMode()) // UV값 추출
				{
				case FbxGeometryElement::eByControlPoint: // 하나의 컨트롤 포인트가 하나의 노멀벡터를 가질때

					switch (VtxUV->GetReferenceMode())
					{
					case FbxGeometryElement::eDirect:
					{
						vOutUV.x = static_cast<float>(VtxUV->GetDirectArray().GetAt(iControlPointIndex).mData[0]);
						vOutUV.y = static_cast<float>(VtxUV->GetDirectArray().GetAt(iControlPointIndex).mData[1]);
					}
					break;
					case FbxGeometryElement::eIndexToDirect:
					{
						int index = VtxUV->GetIndexArray().GetAt(iControlPointIndex);
						vOutUV.x = static_cast<float>(VtxUV->GetDirectArray().GetAt(index).mData[0]);
						vOutUV.y =  static_cast<float>(VtxUV->GetDirectArray().GetAt(index).mData[1]);
					}
					break;

					default:
						throw std::exception("Invalid Reference");
					}


					break;


				case FbxGeometryElement::eByPolygonVertex:  // Sharp Edge 포인트가 존재할때 고로 우리가 실질적으로 쓰는곳
					switch (VtxUV->GetReferenceMode())
					{
					case FbxGeometryElement::eDirect:
					{
						vOutUV.x = static_cast<float>(VtxUV->GetDirectArray().GetAt(iTextureUVIndex).mData[0]);
						vOutUV.y = 1 - static_cast<float>(VtxUV->GetDirectArray().GetAt(iTextureUVIndex).mData[1]);
					}
					case FbxGeometryElement::eIndexToDirect:
					{

						vOutUV.x = static_cast<float>(VtxUV->GetDirectArray().GetAt(iTextureUVIndex).mData[0]);
						vOutUV.y = 1 - static_cast<float>(VtxUV->GetDirectArray().GetAt(iTextureUVIndex).mData[1]);
					}
					break;
					default:
						throw std::exception("invalid Reference");
					}
					break;
				default:
					throw std::exception("Invalid Reference");
					break;
				}

				//노멀얻기
				switch (VtxNormal->GetMappingMode()) // 노멀값 추출
				{
				case FbxGeometryElement::eByControlPoint: // 하나의 컨트롤 포인트가 하나의 노멀벡터를 가질때

					switch (VtxNormal->GetReferenceMode())
					{
					case FbxGeometryElement::eDirect:
					{
						vOutNormal.x = static_cast<float>(VtxNormal->GetDirectArray().GetAt(iControlPointIndex).mData[0]);
						vOutNormal.y = static_cast<float>(VtxNormal->GetDirectArray().GetAt(iControlPointIndex).mData[1]);
						vOutNormal.z = static_cast<float>(VtxNormal->GetDirectArray().GetAt(iControlPointIndex).mData[2]);
					}
					break;
					case FbxGeometryElement::eIndexToDirect:
					{
						int index = VtxNormal->GetIndexArray().GetAt(iControlPointIndex);
						vOutNormal.x = static_cast<float>(VtxNormal->GetDirectArray().GetAt(index).mData[0]);
						vOutNormal.y = static_cast<float>(VtxNormal->GetDirectArray().GetAt(index).mData[1]);
						vOutNormal.z = static_cast<float>(VtxNormal->GetDirectArray().GetAt(index).mData[2]);
					}
					break;

					default:
						throw std::exception("Invalid Reference");
					}


					break;


				case FbxGeometryElement::eByPolygonVertex:  // Sharp Edge 포인트가 존재할때 고로 우리가 실질적으로 쓰는곳
					switch (VtxNormal->GetReferenceMode())
					{
					case FbxGeometryElement::eDirect:
					{
						int index = VtxNormal->GetIndexArray().GetAt(iVTXCounter);
						vOutNormal.x = static_cast<float>(VtxNormal->GetDirectArray().GetAt(index).mData[0]);
						vOutNormal.y = static_cast<float>(VtxNormal->GetDirectArray().GetAt(index).mData[1]);
						vOutNormal.z = static_cast<float>(VtxNormal->GetDirectArray().GetAt(index).mData[2]);
					}
					case FbxGeometryElement::eIndexToDirect:
					{
						int index = VtxNormal->GetIndexArray().GetAt(iVTXCounter);
						vOutNormal.x = static_cast<float>(VtxNormal->GetDirectArray().GetAt(index).mData[0]);
						vOutNormal.y = static_cast<float>(VtxNormal->GetDirectArray().GetAt(index).mData[1]);
						vOutNormal.z = static_cast<float>(VtxNormal->GetDirectArray().GetAt(index).mData[2]);
					}
					break;
					default:
						throw std::exception("invalid Reference");
					}
					break;
				default:
					throw std::exception("Invalid Reference");
					break;
				}


				VTXTEX vtxtex;
				vtxtex.vPos = vPos;
				vtxtex.vNormal = vOutNormal;
				vtxtex.vTexUV = vOutUV;
				vecVTXTEX.push_back(vtxtex);


				//int index = VtxUV->GetIndexArray().GetAt(iTextureUVIndex);
				vecIndeces.push_back(VtxUV->GetIndexArray().GetAt(iTextureUVIndex));
			}
		}
	}

	unsigned int n = vecVTXTEX.size();
	VTXTEX* pVTXTex = new VTXTEX[n];
	for (unsigned int i = 0; i < vecVTXTEX.size(); ++i)
	{
		pVTXTex[i].vPos = vecVTXTEX[i].vPos;
		pVTXTex[i].vNormal = vecVTXTEX[i].vNormal;
		pVTXTex[i].vTexUV = vecVTXTEX[i].vTexUV;
	}

	m_iVertices = vecVTXTEX.size();
	m_iVertexStrides = sizeof(VTXTEX);
	m_iVertexOffsets = 0;

	MakeVertexNormal((BYTE*)pVTXTex, NULL);

	D3D11_BUFFER_DESC tBufferDesc;
	ZeroMemory(&tBufferDesc, sizeof(D3D11_BUFFER_DESC));
	tBufferDesc.Usage = D3D11_USAGE_DEFAULT;
	tBufferDesc.ByteWidth = m_iVertexStrides * m_iVertices;
	tBufferDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
	tBufferDesc.CPUAccessFlags = 0;

	D3D11_SUBRESOURCE_DATA tData;
	ZeroMemory(&tData, sizeof(D3D11_SUBRESOURCE_DATA));
	tData.pSysMem = pVTXTex;
	hr = CDevice::GetInstance()->m_pDevice->CreateBuffer(&tBufferDesc, &tData, &m_VertexBuffer);


	::Safe_Delete(pVTXTex);
	if (FAILED(hr))
		return E_FAIL;


	D3D11_BUFFER_DESC cbd;
	cbd.Usage = D3D11_USAGE_DEFAULT;
	cbd.ByteWidth = sizeof(ConstantBuffer);
	cbd.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
	cbd.CPUAccessFlags = 0;
	cbd.MiscFlags = 0;
	cbd.StructureByteStride = 0;
	hr = CDevice::GetInstance()->m_pDevice->CreateBuffer(&cbd, NULL, &m_ConstantBuffer);

	if (FAILED(hr))
	{
		MessageBox(NULL, L"System Message", L"Constant Buffer Error", MB_OK);
		return hr;
	}


	return S_OK;
}
Exemplo n.º 16
0
//===============================================================================================================================
void FBXLoader::LoadMesh(FbxNode* node)
{
	FBXSubsets* newSubset = new FBXSubsets();
	
	FbxMesh* mesh = node->GetMesh();
	
	newSubset->mPolygonCount = mesh->GetPolygonCount();
	
	int vertexCounter = 0;
	
	// http://stackoverflow.com/questions/30170521/how-to-read-in-fbx-2014-indices-properly-for-directx

	/*newSubset->mTriangles.reserve(newSubset->mPolygonCount);
	
	for (uint32 i = 0; i < newSubset->mPolygonCount; ++i)
	{
		XMFLOAT3 normal[3];
		XMFLOAT3 tangent[3];
		XMFLOAT3 binormal[3];
		XMFLOAT2 uv[3][2];
		
		ZShadeSandboxMesh::FBXTriangle triangle;
		
		newSubset->mTriangles.push_back(triangle);
		
		for (uint32 j = 0; j < 3; ++j)
		{
			int controlPointIndex = mesh->GetPolygonVertex(i, j);
			ZShadeSandboxMesh::PhysicalPoint* ctlPoint = mControlPoints[controlPointIndex];
			
			LoadVertexNormal(mesh, controlPointIndex, vertexCounter, 0, normal[j]);
			
			// Only have diffuse texture
			for (int k = 0; k < 1; ++k)
			{
				LoadVertexTexture(mesh, controlPointIndex, mesh->GetTextureUVIndex(i, j), k, uv[j][k]);
			}
			
			//LoadVertexTangent(mesh, controlPointIndex, vertexCounter, 0, tangent[j]);

			ZShadeSandboxMesh::VertexNormalTexBlend temp;
			temp.position = ctlPoint->position;
			temp.normal = normal[j];
			//temp.tangent = tangent[j];
			temp.texture = uv[j][0];
			
			// Copy the blending from each control point
			for (uint32 i = 0; i < ctlPoint->blendingInfo.size(); ++i)
			{
				ZShadeSandboxMesh::VertexBlendingInfo blendingInfo;
				
				blendingInfo.blendingIndex = ctlPoint->blendingInfo[i].blendingIndex;
				blendingInfo.blendingWeight = ctlPoint->blendingInfo[i].blendingWeight;
				
				temp.vertexBlendingInfos.push_back(blendingInfo);
			}
			
			// Sort blending info to remove duplicate vertices
			temp.SortBlendingInfoByWeight();
			
			newSubset->mVertices.push_back(temp);
			newSubset->mTriangles.back().indices.push_back(vertexCounter);
			
			++vertexCounter;
		}
	}*/
	
	/*int* indices = mesh->GetPolygonVertices();
	for (int ind = 0; ind < mesh->GetPolygonVertexCount(); ind++)
	{
		newSubset->mIndices.push_back(indices[ind]);

		string indice = ZShadeSandboxGlobal::Convert::ConvertToString<int>(indices[ind]);
		outIndiceFile << "indice: " << indice << "\n";
	}*/

	for (uint32 polygonID = 0; polygonID < newSubset->mPolygonCount; ++polygonID)
	{
		int polyVertCount = mesh->GetPolygonSize(polygonID);
		
		for (uint32 polygonVertexID = 0; polygonVertexID < polyVertCount; ++polygonVertexID)
		{
			ZShadeSandboxMesh::VertexNormalTexBlend temp;
			
			// Initialize the vertex data
			temp.position = XMFLOAT3(0, 0, 0);
			temp.normal = XMFLOAT3(0, 0, 0);
			temp.texture = XMFLOAT2(0, 0);
			temp.tangent = XMFLOAT3(0, 0, 0);
			
			int controlPointIndex = mesh->GetPolygonVertex(polygonID, polygonVertexID);
			
			ZShadeSandboxMesh::PhysicalPoint* ctlPoint = mControlPoints[controlPointIndex];
			
			//
			// Load vertex position
			//
			
			temp.position = ctlPoint->position;
			
			//
			// Load vertex normal
			//
			
			int normElementCount = mesh->GetElementNormalCount();
			
			for (int normElement = 0; normElement < normElementCount; normElement++)
			{
				XMFLOAT3 normal;
				
				if (LoadVertexNormal(mesh, controlPointIndex, vertexCounter, normElement, normal))
				{
					temp.normal = normal;
					
					break;
				}
			}
			
			//
			// Load vertex UV
			//
			
			int uvElementCount = mesh->GetElementUVCount();
			
			for (int uvElement = 0; uvElement < uvElementCount; uvElement++)
			{
				XMFLOAT2 uv;
				
				if (LoadVertexTexture(mesh, controlPointIndex, mesh->GetTextureUVIndex(polygonID, polygonVertexID), uvElement, uv))
				{
					temp.texture = uv;
					
					break;
				}
			}
			
			//
			// Load vertex tangent
			//
			
			int tangentElementCount = mesh->GetElementTangentCount();
			
			for (int tangentElement = 0; tangentElement < tangentElementCount; tangentElement++)
			{
				XMFLOAT3 tangent;
				
				if (LoadVertexTangent(mesh, controlPointIndex, vertexCounter, tangentElement, tangent))
				{
					temp.tangent = tangent;
					
					break;
				}
			}
			
			//
			// Load vertex blending information for skinning
			//
			
			// Copy the blending from each control point
			for (uint32 i = 0; i < ctlPoint->blendingInfo.size(); ++i)
			{
				ZShadeSandboxMesh::VertexBlendingInfo blendingInfo;
				
				blendingInfo.blendingIndex = ctlPoint->blendingInfo[i].blendingIndex;
				blendingInfo.blendingWeight = ctlPoint->blendingInfo[i].blendingWeight;
				
				temp.vertexBlendingInfos.push_back(blendingInfo);
			}
			
			// Sort blending info to remove duplicate vertices
			temp.SortBlendingInfoByWeight();
			
			//
			// Make sure the vertices are unique and get the index
			//
			
			vector<ZShadeSandboxMesh::VertexNormalTexBlend>& uniqueVerts = newSubset->mVertices;
			
			size_t size = uniqueVerts.size();
			uint32 indice;
			
			for (indice = 0; indice < size; indice++)
			{
				if (temp.EqualsPosNormTex(uniqueVerts[indice]))
				{
					break;
				}
			}
			
			if (indice == size)
			{
				uniqueVerts.push_back(temp);
				string pos = ZShadeSandboxGlobal::Convert::ConvertFloat3ToString(temp.position);
				outVertexFile << "vertex: " << pos << "\n";
			}
			
			newSubset->mIndices.push_back(indice);
			string indice_str = ZShadeSandboxGlobal::Convert::ConvertToString<uint32>(indice);
			outIndiceFile << "indice: " << indice_str << "\n";
			
			++vertexCounter;
		}
	}

	// Now mControlPoints has served its purpose so we can free its memory
	for(auto itr = mControlPoints.begin(); itr != mControlPoints.end(); ++itr)
	{
		delete itr->second;
	}
	
	mControlPoints.clear();
	
	// Adding a new subset to the mesh
	mSubsets.push_back(newSubset);
}
Exemplo n.º 17
0
		void FbxLoader::ProcessMesh(FbxNode* node, Node& meshNode)
		{
			FbxMesh* currMesh = node->GetMesh();

			if(!currMesh)
				return;

			FbxLayerElementTangent* tangents = nullptr;

			if(useNormalMap) {
				if(currMesh->GetElementTangentCount() < 1) {
					currMesh->GenerateTangentsDataForAllUVSets();
					tangents = currMesh->GetElementTangent();
				}
			}

			std::map<int, std::vector<Vertex>> subMeshes;

			int vertCounter = 0;
			const int polygonCount = currMesh->GetPolygonCount();

			for(int i = 0; i < polygonCount; i++) {
				const int polySize = currMesh->GetPolygonSize(i);
				int nMaterials = node->GetMaterialCount();
				auto elementMaterial = currMesh->GetElementMaterial();
				int mi = 0;
				if(elementMaterial)
					mi = currMesh->GetElementMaterial()->GetIndexArray()[i];

				for(int j = 2; j >= 0; --j) {
					int ctrlIndex = currMesh->GetPolygonVertex(i, j);
					auto& currCtrlPoint = meshNode.controlPoints[ctrlIndex];
					FbxVector4 v4;

					auto& pos = currCtrlPoint.position * factor;
					currMesh->GetPolygonVertexNormal(i, j, v4);
					Vector3 normal = { (float)v4[0], (float)v4[1], (float)v4[2] };
					Vector3 tangent = { 0, 0, 0 };
					if(useNormalMap) {
						ReadTangent(tangents, ctrlIndex, vertCounter, v4);
						tangent = { (float)v4[0], (float)v4[1], (float)v4[2] };
					}
				
					Vector2 uv;
					FbxStringList uvSetNames;
					currMesh->GetUVSetNames(uvSetNames);
					bool unmapped = false;
					// supports one uv set only
					if(uvSetNames.GetCount() > 0) {
						FbxVector2 UV;
						currMesh->GetPolygonVertexUV(i, j, uvSetNames[0], UV, unmapped);
						uv = { (float)UV[0], (float)UV[1] };
					}
				
					if(axismode == eLeftHanded) {
						pos.x *= -1; uv.y = 1 - uv.y;
						normal.x *= -1; tangent.x *= -1;
					}

					Vector4 weights = { 0, 0, 0, 0 };
					Byte4 indices = { 0, 0, 0, 0 };

					int blendCount = (int)min(currCtrlPoint.blendWeigths.size(), 4);
					if(blendCount > 0) {
						meshNode.useSkinnedMesh = true;
						if(currCtrlPoint.blendWeigths.size() > 4)
							sort(currCtrlPoint.blendWeigths.begin(), currCtrlPoint.blendWeigths.end());
						for(int i = 0; i < blendCount; i++) {
							weights[i] = currCtrlPoint.blendWeigths[i].weight;
							indices.m[i] = currCtrlPoint.blendWeigths[i].boneIndex;
						}
					}
	
					Vertex temp = { pos, uv, normal, tangent, indices, weights };
					subMeshes[mi].push_back(temp);
				}
				++vertCounter;
			}

			if(subMeshes.size() > 0) {
				int index = 0;
				meshNode.meshes.reserve(vertCounter);
				meshNode.vertIndices.reserve(vertCounter);
				meshNode.vertexCountOfSubMesh.reserve(subMeshes.size());
				for(auto& pair : subMeshes) {
					auto& m = pair.second;
					for(int i = 0; i < m.size(); ++i)
						meshNode.vertIndices.emplace_back(index++);
					meshNode.vertexCountOfSubMesh.push_back((int)m.size());
					meshNode.meshes.insert(meshNode.meshes.end(), m.begin(), m.end());
				}
			}
			subMeshes.clear();
		}
Exemplo n.º 18
0
MeshData* FBXImporter::GetMeshInfo()
{
	mMeshData = new MeshData();

	int indicesIndexOffset = 0;		// 记录当前mesh在整个ib中的索引位移。
	int verticesIndexOffset = 0;	// 记录当前mesh在整个vb中的顶点位移。

	for (int meshIndex = 0; meshIndex < mFBXMeshDatas.size(); meshIndex++)
	{
		FbxMesh* mesh = mFBXMeshDatas[meshIndex]->mMesh;
		FBXMeshData* fbxMeshData = mFBXMeshDatas[meshIndex];
		fbxMeshData->mVerticesCount = mesh->GetControlPointsCount();
		fbxMeshData->mIndicesCount = mesh->GetPolygonVertexCount();
		fbxMeshData->mTrianglesCount = mesh->GetPolygonCount();

		// 获取3dsmax中的全局变换矩阵,稍后可以在DX中还原。
		FbxMatrix gloableTransform = mesh->GetNode()->EvaluateGlobalTransform();

		FbxAMatrix matrixGeo;
		matrixGeo.SetIdentity();

		const FbxVector4 lT = mesh->GetNode()->GetGeometricTranslation(FbxNode::eSourcePivot);
		const FbxVector4 lR = mesh->GetNode()->GetGeometricRotation(FbxNode::eSourcePivot);
		const FbxVector4 lS = mesh->GetNode()->GetGeometricScaling(FbxNode::eSourcePivot);

		matrixGeo.SetT(lT);
		matrixGeo.SetR(lR);
		matrixGeo.SetS(lS);

		FbxAMatrix matrixL2W;
		matrixL2W.SetIdentity();

		matrixL2W = mesh->GetNode()->EvaluateGlobalTransform();

		matrixL2W *= matrixGeo;

		XMMATRIX globalTransform = XMLoadFloat4x4(&fbxMeshData->globalTransform);
		FbxMatrixToXMMATRIX(globalTransform, matrixL2W);
		XMStoreFloat4x4(&fbxMeshData->globalTransform, globalTransform);

		// 读取顶点。
		ReadVertices(fbxMeshData);
		// 读取索引。
		ReadIndices(fbxMeshData);

		// 先读取网格对应的材质索引信息,以便优化稍后纹理读取。
		// 一个网格可能只对应一个materialId,也可能对应多个materialId(3dsmax里的Multi/Sub-Object材质)。
		// 如果只对应一个材质,简单的读取就行,不过普遍情况可能是为了优化渲染合并mesh从而拥有多材质。
		// 这个函数调用完毕我们会得到materialId和拥有这个materialId的三角形列表(三角形编号列表),保存在vector<MaterialIdOffset>的容器中。
		//struct Material
		//{
		//	Material() {}
		//	Material(int id, string diffuse, string normalMap)
		//		: materialId(id),
		//		diffuseTextureFile(diffuse),
		//		normalMapTextureFile(normalMap)
		//	{}
		//
		//	int materialId;
		//	string diffuseTextureFile;
		//	string normalMapTextureFile;
		//};
		// struct MaterialIdOffset
		//{
		//	MaterialIdOffset()
		//		: polygonCount(0)
		//	{}
		//	int polygonCount;
		//	Material material;
		//};
		ConnectMaterialsToMesh(mesh, fbxMeshData->mTrianglesCount);

		// 根据ConnectMaterialsToMesh得到的信息读取材质纹理信息,同样存入vector<MaterialIdOffset>容器。
		LoadMaterials(fbxMeshData);

		int triangleCount = mesh->GetPolygonCount();
		int controlPointIndex = 0;
		int normalIndex = 0;
		fbxMeshData->mUVs.resize(fbxMeshData->mIndicesCount, XMFLOAT2(-1.0f, -1.0f));

		// Extract normals and uvs from FbxMesh.
		for (int i = 0; i < triangleCount; i++)
		{
			int polygonSize = mesh->GetPolygonSize(i);

			for (int j = 0; j < polygonSize; j++)
			{ 
				controlPointIndex = mesh->GetPolygonVertex(i, j);

				ReadNormals(fbxMeshData, controlPointIndex, normalIndex);

				// 有纹理我们才读取uv,tangent以及binormal。
				if (fbxMeshData->hasDiffuseTexture())
				{
					ReadUVs(fbxMeshData, controlPointIndex, normalIndex, mesh->GetTextureUVIndex(i, j), 0);
					ReadTangents(fbxMeshData, controlPointIndex, normalIndex);
					ReadBinormals(fbxMeshData, controlPointIndex, normalIndex);
				}

				normalIndex++;
			}
		}

		SplitVertexByNormal(fbxMeshData);

		if (fbxMeshData->hasDiffuseTexture())
		{
			SplitVertexByUV(fbxMeshData);
		}
		else
		{
			fbxMeshData->mUVs.resize(fbxMeshData->mVerticesCount);
		}

		if (fbxMeshData->hasNormalMapTexture())
		{
			SplitVertexByTangent(fbxMeshData);
			SplitVertexByBinormal(fbxMeshData);
		}
		else
		{
			fbxMeshData->mTangents.resize(fbxMeshData->mVerticesCount);
			fbxMeshData->mBinormals.resize(fbxMeshData->mVerticesCount);
		}

		// 如果.fbx包含一个以上的mesh,需要计算当前FBXMeshData的索引在全局索引中的位置。
		for (int i = 0; i < fbxMeshData->mIndicesCount; i++)
		{
			fbxMeshData->mIndices[i] = fbxMeshData->mIndices[i] + verticesIndexOffset;
		}

		mMeshData->verticesCount += fbxMeshData->mVerticesCount;
		mMeshData->indicesCount += fbxMeshData->mIndicesCount;
		mMeshData->meshesCount++;

		// 多材质的情况。
		// 根据之前填充的materialIdOffsets容器保存的materialId和三角形的对应关系,
		// 计算每个RenderPackage渲染所需的索引数量和索引起始位置(偏移)。
		if (isByPolygon && fbxMeshData->hasDiffuseTexture())
		{
			vector<MaterialIdOffset> materialIdOffsets = mMeshData->materialIdOffsets;

			for (int i = 0; i < materialIdOffsets.size(); i++)
			{
				RenderPackage renderPacakge;
				renderPacakge.globalTransform = fbxMeshData->globalTransform;
				renderPacakge.indicesCount = materialIdOffsets[i].polygonCount * 3;
	
				if (i == 0)
				{
					renderPacakge.indicesOffset = indicesIndexOffset;
				}
				else
				{
					renderPacakge.indicesOffset += indicesIndexOffset;
				}

				renderPacakge.material = materialIdOffsets[i].material;

				mMeshData->renderPackages.push_back(renderPacakge);

				indicesIndexOffset += renderPacakge.indicesCount;
			}
		}
		else
		// 单一材质的情况。
		{
			RenderPackage renderPackage;
			renderPackage.indicesCount = fbxMeshData->mIndicesCount;
			renderPackage.indicesOffset = indicesIndexOffset;
			renderPackage.material = fbxMeshData->mMaterial;
			renderPackage.globalTransform = fbxMeshData->globalTransform;

			mMeshData->renderPackages.push_back(renderPackage);

			indicesIndexOffset += fbxMeshData->mIndices.size();
		}

		verticesIndexOffset += fbxMeshData->mVertices.size();

		// 将当前mesh的数据追加到全局数据容器。
		Merge(mMeshData->vertices, fbxMeshData->mVertices);
		Merge(mMeshData->indices, fbxMeshData->mIndices);
		Merge(mMeshData->normals, fbxMeshData->mNormals);
		Merge(mMeshData->uvs, fbxMeshData->mUVs);
		Merge(mMeshData->tangents, fbxMeshData->mTangents);
		Merge(mMeshData->binormals, fbxMeshData->mBinormals);

		mMeshData->materialIdOffsets.clear();
	}

	clear();

	return mMeshData;
}
Exemplo n.º 19
0
Model* FbxModelLoader::LoadModel(const char* fileName)
{
	Model* model = nullptr;

	if (!m_importer->Initialize(fileName, -1, m_manager->GetIOSettings()))
	{
		return nullptr;
	}

	FbxScene* lScene = FbxScene::Create(m_manager, "myscene");
	m_importer->Import(lScene);


	FbxNode* lRootNode = lScene->GetRootNode();

	if (lRootNode)
	{
		if (lRootNode->GetChildCount() > 0)
		{
			FbxNode* lNode = lRootNode->GetChild(0);

			FbxMesh* lMesh = lNode->GetMesh();

			

			if (!lMesh)
				return nullptr;

			
			std::ofstream file;

			file.open("DataFromFbxVector.txt");
			char* buffer = new char[1024];

			sprintf_s(buffer, 1024, "Number of children in Root: %d\n\n\n\n", lRootNode->GetChildCount());

			file << buffer;

			if (lMesh->IsTriangleMesh())
				file << "It's a triangle mesh!";
			else
				file << "It's NOT a triangle mesh!";

			


			FbxVector4* vertexArray = lMesh->GetControlPoints();

			for (int i = 0; i < lMesh->GetControlPointsCount(); i++)
			{
				sprintf(buffer, "(%f, %f, %f)\n", vertexArray[i].mData[0], vertexArray[i].mData[1], vertexArray[i].mData[2]);
				file << buffer;
			}

			delete buffer;

			file.close();

			Polygon* polygons = new Polygon[lMesh->GetPolygonCount()];

			int polygonCount = lMesh->GetPolygonCount();

			int index = 0;

			buffer = new char[1024];
			file.open("DataFromPolygons.txt");

			for (int i = 0; i < lMesh->GetPolygonCount(); i++)
			{
				

				index = lMesh->GetPolygonVertex(i, 0);

				sprintf(buffer, "\n\nPolygon #%d\nPolygon Vertex Index #%d: ", i, index);
				file << buffer;

				polygons[i].vertex1.x = (float)vertexArray[index].mData[0];
				polygons[i].vertex1.y = (float)vertexArray[index].mData[1];
				polygons[i].vertex1.z = (float)vertexArray[index].mData[2];

				sprintf(buffer, "(%f, %f, %f)\n", polygons[i].vertex1.x, polygons[i].vertex1.y, polygons[i].vertex1.z);
				file << buffer;


				
				index = lMesh->GetPolygonVertex(i, 1);
				sprintf(buffer, "Polygon Vertex Index #%d: ", index);
				file << buffer;

				polygons[i].vertex2.x = (float)vertexArray[index].mData[0];
				polygons[i].vertex2.y = (float)vertexArray[index].mData[1];
				polygons[i].vertex2.z = (float)vertexArray[index].mData[2];
				sprintf(buffer, "(%f, %f, %f)\n", polygons[i].vertex2.x, polygons[i].vertex2.y, polygons[i].vertex2.z);
				file << buffer;
				
				index = lMesh->GetPolygonVertex(i, 2);
				sprintf(buffer, "Polygon Vertex Index #%d: ", index);
				file << buffer;

				polygons[i].vertex3.x = (float)vertexArray[index].mData[0];
				polygons[i].vertex3.y = (float)vertexArray[index].mData[1];
				polygons[i].vertex3.z = (float)vertexArray[index].mData[2];
				sprintf(buffer, "(%f, %f, %f)\n", polygons[i].vertex3.x, polygons[i].vertex3.y, polygons[i].vertex3.z);
				file << buffer;
			}

			file.close();
			delete buffer;


			model = new Model();
			model->Vertices = new DirectX::XMFLOAT3[polygonCount * 3];
			model->NumVertices = polygonCount * 3;

			file.open("DataFromPolygonToModelTransfer.txt");
			buffer = new char[1024];

			for (int i = 0; i < lMesh->GetPolygonCount() * 3; i += 3)
			{
				model->Vertices[i] = polygons[i/3].vertex1;
				model->Vertices[i+1] = polygons[i/3].vertex2;
				model->Vertices[i+2] = polygons[i/3].vertex3;
			
				sprintf_s(buffer, 1024, "Polygon #%d:\n(%f, %f, %f)\n(%f, %f, %f)\n(%f, %f, %f)\n\n"
					, i / 3
					, model->Vertices[i].x, model->Vertices[i].y, model->Vertices[i].z
					, model->Vertices[i+1].x, model->Vertices[i+1].y, model->Vertices[i+1].z
					, model->Vertices[i+2].x, model->Vertices[i+2].y, model->Vertices[i+2].z);
			
				file << buffer;
			}

			delete buffer;
			file.close();


			// delete [] polygons;
		}
		else
			return nullptr;
	}
	else
		return nullptr;



	return model;
}
void MeshImporter::LoadNodeMesh(FbxNode* node, ID3D11Device3* device,
	ID3D11DeviceContext3* context)
{
	unsigned int numPolygons = 0;
	unsigned int numVertices = 0;
	unsigned int numIndices = 0;
	unsigned int numPolygonVert = 0;

	if (node->GetNodeAttribute() != NULL &&
		node->GetNodeAttribute()->GetAttributeType() == FbxNodeAttribute::eMesh)
	{
		//PrintNode(node);
		
		// Create meshes
		FbxMesh* fbxMesh = node->GetMesh();
		
		numPolygons = fbxMesh->GetPolygonCount();
		numIndices = fbxMesh->GetPolygonVertexCount();
		numVertices = fbxMesh->GetControlPointsCount();
		
		// Do not use indexed drawing method
		numVertices = numIndices;

		vector<Vertex> vertices(numVertices);
		vector<unsigned int> indices(numIndices);

		numPolygonVert = 3;
		//assert(numPolygonVert == 3);

		FbxVector4* controlPoints = fbxMesh->GetControlPoints();

		int* indices_array = fbxMesh->GetPolygonVertices();

		// Need to be changed for optimization
		for (unsigned int i = 0; i < numIndices; i++)
		{
			indices[i] = indices_array[i];

			vertices[i].pos.x = (float)fbxMesh->GetControlPointAt(indices[i]).mData[0];// / 1000.0f;
			vertices[i].pos.y = (float)fbxMesh->GetControlPointAt(indices[i]).mData[1];// / 1000.0f;
			vertices[i].pos.z = (float)fbxMesh->GetControlPointAt(indices[i]).mData[2];// / 1000.0f;
		}

		// For indexed drawing
		/*for (unsigned int i = 0; i < numVertices; i++)
		{
			vertices[i].pos.x = (float)controlPoints[i].mData[0];
			vertices[i].pos.y = (float)controlPoints[i].mData[1];
			vertices[i].pos.z = (float)controlPoints[i].mData[2];
		}*/

		LoadUV(fbxMesh, &vertices[0], &indices[0]);

		//OutputDebugStringA(("\n number of polygons: " + to_string(numPolygons) + " \n").c_str());
		//OutputDebugStringA(("\n number of indices: " + to_string(numIndices) + " \n").c_str());
		//OutputDebugStringA(("\n number of vertices: " + to_string(vertices.size()) + " \n").c_str());

		// Read mesh base transform matrix
		FbxAMatrix fbxGlobalMeshBaseMatrix = node->EvaluateGlobalTransform().Inverse().Transpose();
		XMFLOAT4X4 globalMeshBaseMatrix;

		for (int r = 0; r < 4; r++)
		{
			//PrintTab("Global mesh base mat: " + to_string(fbxGlobalMeshBaseMatrix.mData[r][0]));

			for (int c = 0; c < 4; c++)
			{
				globalMeshBaseMatrix.m[r][c] = (float)fbxGlobalMeshBaseMatrix.mData[r][c];
			}
		}

		// To be considered when importing Maya fbx model
		//FbxAMatrix geoMatrix = GetTransformMatrix(node);

		//ConvertFbxAMatrixToDXMatrix(&globalMeshBaseMatrix, fbxGlobalMeshBaseMatrix);

		MeshEntry mesh;
		mesh.vertices = vertices;
		mesh.indices = indices;
		mesh.numVertices = numVertices;
		mesh.numIndices = numIndices;
		mesh.fbxNode = node;
		mesh.globalMeshBaseMatrix = globalMeshBaseMatrix;

		// Load materials and textures
		LoadMaterials(node, &mesh, device, context);

		// Load weights
		LoadWeight(fbxMesh, &mesh);

		// Set to be clockwise, must be done after reading uvs, normals, weights and etc
		for (auto it = mesh.vertices.begin(); it != mesh.vertices.end(); it += 3)
		{
			swap(*it, *(it + 2));
		}

		model->entries.push_back(mesh);
	}

	int numChild = node->GetChildCount();

	for (int i = 0; i < numChild; i++)
	{
		LoadNodeMesh(node->GetChild(i), device, context);
	}
}
Exemplo n.º 21
0
	HRESULT FBXLoader::loadFBXFile(char* filePath, VertexBuffer** vBuf, IndexBuffer** iBuf, Renderer* renderer, bool centerShift)
	{
		if (g_pFbxSdkManager == nullptr)
		{
			g_pFbxSdkManager = FbxManager::Create();

			FbxIOSettings* pIOsettings = FbxIOSettings::Create(g_pFbxSdkManager, IOSROOT);
			g_pFbxSdkManager->SetIOSettings(pIOsettings);
		}

		this->shiftCenter = centerShift;

		FbxImporter* pImporter = FbxImporter::Create(g_pFbxSdkManager, "");
		FbxScene* pFbxScene = FbxScene::Create(g_pFbxSdkManager, "");

		bool bSuccess = pImporter->Initialize(filePath, -1, g_pFbxSdkManager->GetIOSettings());
		if (!bSuccess) return E_FAIL;

		bSuccess = pImporter->Import(pFbxScene);
		if (!bSuccess) return E_FAIL;

		FbxAxisSystem sceneAxisSystem = pFbxScene->GetGlobalSettings().GetAxisSystem();
		FbxAxisSystem DirectXAxisSystem(FbxAxisSystem::eYAxis, FbxAxisSystem::eParityOdd, FbxAxisSystem::eLeftHanded);

		if (sceneAxisSystem != DirectXAxisSystem)
		{
			DirectXAxisSystem.ConvertScene(pFbxScene);
		}

		pImporter->Destroy();

		FbxNode* pFbxRootNode = pFbxScene->GetRootNode();

		if (pFbxRootNode)
		{
			// Check if the getChildCount is > 1  TODO
			int test = pFbxRootNode->GetChildCount();

			for (int i = 0; i < pFbxRootNode->GetChildCount(); i++)
			{
				FbxNode* pFbxChildNode = pFbxRootNode->GetChild(i);

				if (pFbxChildNode->GetNodeAttribute() == NULL)
					continue;

				FbxNodeAttribute::EType AttributeType = pFbxChildNode->GetNodeAttribute()->GetAttributeType();

				if (AttributeType != FbxNodeAttribute::eMesh)
					continue;

				FbxMesh* pMesh = (FbxMesh*)pFbxChildNode->GetNodeAttribute();

				int numControlPoints = pMesh->GetControlPointsCount();
				bool initial = true;
				float xMin, yMin, zMin;
				float xMax, yMax, zMax;
				float xIn, yIn, zIn;

				float xCenter, yCenter, zCenter;

				if (this->shiftCenter){

					for (int c = 0; c < numControlPoints; c++) {
						xIn = (float)pMesh->GetControlPointAt(c).mData[0];
						yIn = (float)pMesh->GetControlPointAt(c).mData[1];
						zIn = (float)pMesh->GetControlPointAt(c).mData[2];

						if (initial) {
							xMin = xIn;
							yMin = yIn;
							zMin = zIn;

							xMax = xIn;
							yMax = yIn;
							zMax = zIn;

							initial = false;
						}
						else {
							if (xIn < xMin) {
								xMin = xIn;
							}

							if (yIn < yMin) {
								yMin = yIn;
							}

							if (zIn < zMin) {
								zMin = zIn;
							}

							if (xIn > xMax) {
								xMax = xIn;
							}

							if (yIn > yMax) {
								yMax = yIn;
							}

							if (zIn > zMax) {
								zMax = zIn;
							}
						}
					}
					xCenter = (xMin + xMax) / 2.0f;
					yCenter = (yMin + yMax) / 2.0f;
					zCenter = (zMin + zMax) / 2.0f;
				}
				else {
					xCenter = 0;
					yCenter = 0;
					zCenter = 0;
				}

				FbxVector4* pVertices = pMesh->GetControlPoints();
				int vertexCount = pMesh->GetPolygonVertexCount();

				//Vertex vertex;
				Vertex* vertexArray = new Vertex[vertexCount];
				//Vertex vertexArray[2592];


				int numIndices = vertexCount;
				unsigned int* indexArray = new unsigned int[numIndices];


				FbxVector4 fbxNorm(0, 0, 0, 0);
				FbxVector2 fbxUV(0, 0);
				bool isMapped;

				int vertexIndex = 0;

				// Loop iterates through the polygons and fills the vertex and index arrays for the buffers
				for (int j = 0; j < pMesh->GetPolygonCount(); j++)
				{
					int iNumVertices = pMesh->GetPolygonSize(j);

					assert(iNumVertices == 3);

					//1st vertex
					int controlIndex = pMesh->GetPolygonVertex(j, 2);
					pMesh->GetPolygonVertexUV(j, 2, "map1", fbxUV, isMapped);
					pMesh->GetPolygonVertexNormal(j, 2, fbxNorm);

					vertexArray[vertexIndex].point[0] = (float)pVertices[controlIndex].mData[0] - xCenter;
					vertexArray[vertexIndex].point[1] = (float)pVertices[controlIndex].mData[1] - yCenter;
					vertexArray[vertexIndex].point[2] = -(float)pVertices[controlIndex].mData[2] - zCenter;

					vertexArray[vertexIndex].texCoord[0] = (float)fbxUV[0];
					vertexArray[vertexIndex].texCoord[1] = 1.0f - (float)fbxUV[1];

					vertexArray[vertexIndex].normal[0] = (float)fbxNorm[0];
					vertexArray[vertexIndex].normal[1] = (float)fbxNorm[1];
					vertexArray[vertexIndex].normal[2] = -(float)fbxNorm[2];

					indexArray[vertexIndex] = vertexIndex;
					vertexIndex++;

					//2nd vertex
					controlIndex = pMesh->GetPolygonVertex(j, 1);
					pMesh->GetPolygonVertexUV(j, 1, "map1", fbxUV, isMapped);
					pMesh->GetPolygonVertexNormal(j, 1, fbxNorm);

					vertexArray[vertexIndex].point[0] = (float)pVertices[controlIndex].mData[0] - xCenter;
					vertexArray[vertexIndex].point[1] = (float)pVertices[controlIndex].mData[1] - yCenter;
					vertexArray[vertexIndex].point[2] = -(float)pVertices[controlIndex].mData[2] - zCenter;

					vertexArray[vertexIndex].texCoord[0] = (float)fbxUV[0];
					vertexArray[vertexIndex].texCoord[1] = 1.0f - (float)fbxUV[1];

					vertexArray[vertexIndex].normal[0] = (float)fbxNorm[0];
					vertexArray[vertexIndex].normal[1] = (float)fbxNorm[1];
					vertexArray[vertexIndex].normal[2] = -(float)fbxNorm[2];

					indexArray[vertexIndex] = vertexIndex;
					vertexIndex++;

					//3rd vertex
					controlIndex = pMesh->GetPolygonVertex(j, 0);
					pMesh->GetPolygonVertexUV(j, 0, "map1", fbxUV, isMapped);
					pMesh->GetPolygonVertexNormal(j, 0, fbxNorm);

					vertexArray[vertexIndex].point[0] = (float)pVertices[controlIndex].mData[0] - xCenter;
					vertexArray[vertexIndex].point[1] = (float)pVertices[controlIndex].mData[1] - yCenter;
					vertexArray[vertexIndex].point[2] = -(float)pVertices[controlIndex].mData[2] - zCenter;

					vertexArray[vertexIndex].texCoord[0] = (float)fbxUV[0];
					vertexArray[vertexIndex].texCoord[1] = 1.0f - (float)fbxUV[1];

					vertexArray[vertexIndex].normal[0] = (float)fbxNorm[0];
					vertexArray[vertexIndex].normal[1] = (float)fbxNorm[1];
					vertexArray[vertexIndex].normal[2] = -(float)fbxNorm[2];

					indexArray[vertexIndex] = vertexIndex;
					vertexIndex++;
				}

				// Generate vertex and index buffers from the vertex and index arrays
				*vBuf = renderer->createVertexBuffer(vertexArray, vertexCount);
				*iBuf = renderer->createIndexBuffer(indexArray, numIndices);

				delete[] vertexArray;
				delete[] indexArray;
			}
		}
		return S_OK;
	}
Exemplo n.º 22
0
void FBXScene::ProcessMesh(FbxNode* pNode)
{
	FbxMesh* pFBXMesh = pNode->GetMesh();
	if( !pFBXMesh )
		return;

	if ( pFBXMesh->GetPolygonVertexCount() != pFBXMesh->GetPolygonCount() * 3 )
	{
		FbxGeometryConverter GeometryConverter(pNode->GetFbxManager());
		if( !GeometryConverter.TriangulateInPlace( pNode ) )
		{
			return;
		}
		pFBXMesh = pNode->GetMesh();
	}

	pFBXMesh->InitNormals();
	pFBXMesh->ComputeVertexNormals(true); 
	pFBXMesh->GenerateTangentsDataForAllUVSets();

	int nVertexCount = pFBXMesh->GetControlPointsCount();
	if( nVertexCount <= 0 )
		return;

	std::vector<BoneWeights> boneWeights(nVertexCount);

	ProcessBoneWeights(pFBXMesh, boneWeights);
	
	Model* pModel = new Model(pNode->GetName(), m_Models.GetCount(), false);
	FbxVector4* aControlPoints = pFBXMesh->GetControlPoints();
	for( int pi = 0; pi < pFBXMesh->GetPolygonCount(); ++pi )	// Whole for-loop takes some time too, investigate further.
	{
		// Material
		Material* pMaterial = NULL;

		for( unsigned int pvi = 0; pvi < 3; ++pvi )
		{
			int nVertexIndex = pFBXMesh->GetPolygonVertex(pi, pvi);

			if( nVertexIndex < 0 || nVertexIndex >= nVertexCount )
				continue;

			// Material
			if( pMaterial == NULL )
				pMaterial = GetMaterialLinkedWithPolygon(pFBXMesh, 0, pi, 0, nVertexIndex);

			// Position
			FbxVector4 fbxPosition = aControlPoints[nVertexIndex];

			// Normals And Tangents
			FbxVector4 fbxNormal, fbxTangent;
			fbxNormal = GetNormal(pFBXMesh, 0, pi, pvi, nVertexIndex);
			fbxTangent = GetTangent(pFBXMesh, 0, pi, pvi, nVertexIndex);

			// Add Vertex
			pModel->AddVertex(pMaterial, FbxVector4ToBTHFBX_VEC3(fbxPosition),
										 FbxVector4ToBTHFBX_VEC3(fbxNormal),
										 FbxVector4ToBTHFBX_VEC3(fbxTangent),
										 GetTexCoord(pFBXMesh, 0, pi, pvi, nVertexIndex),
										 boneWeights[nVertexIndex]);

			// Update Bounding Box
			UpdateBoundingBoxDataFromVertex(FbxVector4ToBTHFBX_VEC3(fbxPosition));
		}
	}

	// Geometric Offset
	pModel->SetGeometricOffset2(GetGeometricOffset2(pNode));

	// Insert Model
	m_Models.Add(pModel->GetName(), pModel);
}
Exemplo n.º 23
0
void ProcessMesh( FbxNode* node , std::string& output)
{
	if(node->GetNodeAttribute()->GetAttributeType() == FbxNodeAttribute::eMesh)
	{
		FbxMesh* pMesh = node->GetMesh();  
		if(pMesh == NULL)  
		{  
			return;  
		}  

		vector<D3DXVECTOR3> m_ObjVerPosArr;
		vector<D3DXVECTOR3> m_ObjVerNorArr;
		vector<D3DXVECTOR2> m_ObjVerUVArr;
		std::string m_ObjVerIndex;

		D3DXVECTOR3 vertex[3];  
		D3DXVECTOR4 color[3];  
		D3DXVECTOR3 normal[3];  
		D3DXVECTOR3 tangent[3];  
		D3DXVECTOR2 uv[3][2];  

		int triangleCount = pMesh->GetPolygonCount();  
		int vertexCounter = 0;  

		int currentPosIndex = -1;
		int currentUVIndex  = -1;
		int currentNorIndex = -1;

		output.append("g submesh1\n");

		for(int i = 0 ; i < triangleCount ; ++i)  
		{  
			m_ObjVerIndex.append("f ");
			for(int j = 0 ; j < 3 ; j++)  
			{  
				int ctrlPointIndex = pMesh->GetPolygonVertex(i , j);  

				// Read the vertex  
				ReadVertex(pMesh , ctrlPointIndex , &vertex[j]);  

				int posFind = VectorFind<D3DXVECTOR3>(m_ObjVerPosArr,vertex[j]);
				if (posFind==-1)
				{
					m_ObjVerPosArr.push_back(vertex[j]);
					currentPosIndex+=1;

					char posIndex[128];
					Format(&posIndex[0],"%d",currentPosIndex+1);
					m_ObjVerIndex.append(posIndex);
					m_ObjVerIndex.append("/");
				}
				else
				{
					char posIndex[128];
					Format(&posIndex[0],"%d",posFind+1);
					m_ObjVerIndex.append(posIndex);
					m_ObjVerIndex.append("/");
				}

				// Read the color of each vertex  
				ReadColor(pMesh , ctrlPointIndex , vertexCounter , &color[j]);  

				// Read the UV of each vertex  
				for(int k = 0 ; k < 1 ; ++k)  
				{  
					ReadUV(pMesh , ctrlPointIndex , pMesh->GetTextureUVIndex(i, j) , k , &(uv[j][k]));  

					int uvFind = VectorFind<D3DXVECTOR2>(m_ObjVerUVArr,uv[j][k]);
					if (uvFind==-1)
					{
						m_ObjVerUVArr.push_back(uv[j][k]);
						currentUVIndex+=1;

						char uvIndex[128];
						Format(&uvIndex[0],"%d",currentUVIndex+1);
						m_ObjVerIndex.append(uvIndex);
						m_ObjVerIndex.append("/");
					}
					else
					{
						char uvIndex[128];
						Format(&uvIndex[0],"%d",uvFind+1);
						m_ObjVerIndex.append(uvIndex);
						m_ObjVerIndex.append("/");
					}
				}  

				// Read the normal of each vertex  
				ReadNormal(pMesh , ctrlPointIndex , vertexCounter , &normal[j]);  
				
				int norFind = VectorFind<D3DXVECTOR3>(m_ObjVerNorArr,normal[j]);
				if (norFind==-1)
				{
					m_ObjVerNorArr.push_back(vertex[j]);
					currentNorIndex+=1;

					char normalIndex[128];
					Format(&normalIndex[0],"%d",currentNorIndex+1);
					m_ObjVerIndex.append(normalIndex);
					m_ObjVerIndex.append(" ");
				}
				else
				{
					char normalIndex[128];
					Format(&normalIndex[0],"%d",norFind+1);
					m_ObjVerIndex.append(normalIndex);
					m_ObjVerIndex.append(" ");
				}
				// Read the tangent of each vertex  
				ReadTangent(pMesh , ctrlPointIndex , vertexCounter , &tangent[j]);  

				vertexCounter++;  
			}  
			m_ObjVerIndex.append("\n");
			// 根据读入的信息组装三角形,并以某种方式使用即可,比如存入到列表中、保存到文件等...  
		} 
		char posIndex[128];

		for (int i = 0 ;i<m_ObjVerPosArr.size() ;i++)
		{
			output.append("v ");
			Format(posIndex,128,"%.6f",m_ObjVerPosArr[i].x);
			output.append(posIndex);
			output.append(" ");
			
			Format(posIndex,128,"%.6f",m_ObjVerPosArr[i].y);
			output.append(posIndex);
			output.append(" ");
			
			Format(posIndex,128,"%.6f",m_ObjVerPosArr[i].z);
			output.append(posIndex);
			
			output.append("\n");
		}

		for (int i = 0 ;i<m_ObjVerUVArr.size() ;i++)
		{
			output.append("vt ");
			Format(posIndex,128,"%.6f",m_ObjVerUVArr[i].x);
			output.append(posIndex);
			output.append(" ");
			Format(posIndex,128,"%.6f",m_ObjVerUVArr[i].y);
			output.append(posIndex);
			output.append("\n");
		}

		for (int i = 0 ;i<m_ObjVerNorArr.size() ;i++)
		{
			output.append("vn ");
			Format(posIndex,128,"%.6f",m_ObjVerNorArr[i].x);
			output.append(posIndex);
			output.append(" ");
			Format(posIndex,128,"%.6f",m_ObjVerNorArr[i].y);
			output.append(posIndex);
			output.append(" ");
			Format(posIndex,128,"%.6f",m_ObjVerNorArr[i].z);
			output.append(posIndex);
			output.append("\n");
		}
		output.append(m_ObjVerIndex);
	}
}