// 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);
	}
}
示例#2
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;
		}
	}
}
示例#3
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);
}