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Diffstat (limited to 'src/3rdparty/assimp/code/FBXMeshGeometry.cpp')
| -rw-r--r-- | src/3rdparty/assimp/code/FBXMeshGeometry.cpp | 639 |
1 files changed, 0 insertions, 639 deletions
diff --git a/src/3rdparty/assimp/code/FBXMeshGeometry.cpp b/src/3rdparty/assimp/code/FBXMeshGeometry.cpp deleted file mode 100644 index 8d43a2436..000000000 --- a/src/3rdparty/assimp/code/FBXMeshGeometry.cpp +++ /dev/null @@ -1,639 +0,0 @@ -/* -Open Asset Import Library (assimp) ----------------------------------------------------------------------- - -Copyright (c) 2006-2017, assimp team - -All rights reserved. - -Redistribution and use of this software in source and binary forms, -with or without modification, are permitted provided that the -following conditions are met: - -* Redistributions of source code must retain the above - copyright notice, this list of conditions and the - following disclaimer. - -* Redistributions in binary form must reproduce the above - copyright notice, this list of conditions and the - following disclaimer in the documentation and/or other - materials provided with the distribution. - -* Neither the name of the assimp team, nor the names of its - contributors may be used to endorse or promote products - derived from this software without specific prior - written permission of the assimp team. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - ----------------------------------------------------------------------- -*/ - -/** @file FBXMeshGeometry.cpp - * @brief Assimp::FBX::MeshGeometry implementation - */ - -#ifndef ASSIMP_BUILD_NO_FBX_IMPORTER - -#include <functional> - -#include "FBXMeshGeometry.h" -#include "FBXDocument.h" -#include "FBXImporter.h" -#include "FBXImportSettings.h" -#include "FBXDocumentUtil.h" - - -namespace Assimp { -namespace FBX { - -using namespace Util; - -// ------------------------------------------------------------------------------------------------ -Geometry::Geometry(uint64_t id, const Element& element, const std::string& name, const Document& doc) - : Object(id, element,name) - , skin() -{ - const std::vector<const Connection*>& conns = doc.GetConnectionsByDestinationSequenced(ID(),"Deformer"); - for(const Connection* con : conns) { - const Skin* const sk = ProcessSimpleConnection<Skin>(*con, false, "Skin -> Geometry", element); - if(sk) { - skin = sk; - break; - } - } -} - - -// ------------------------------------------------------------------------------------------------ -Geometry::~Geometry() -{ - -} - -const Skin* Geometry::DeformerSkin() const { - return skin; -} - - -// ------------------------------------------------------------------------------------------------ -MeshGeometry::MeshGeometry(uint64_t id, const Element& element, const std::string& name, const Document& doc) -: Geometry(id, element,name, doc) -{ - const Scope* sc = element.Compound(); - if (!sc) { - DOMError("failed to read Geometry object (class: Mesh), no data scope found"); - } - - // must have Mesh elements: - const Element& Vertices = GetRequiredElement(*sc,"Vertices",&element); - const Element& PolygonVertexIndex = GetRequiredElement(*sc,"PolygonVertexIndex",&element); - - // optional Mesh elements: - const ElementCollection& Layer = sc->GetCollection("Layer"); - - std::vector<aiVector3D> tempVerts; - ParseVectorDataArray(tempVerts,Vertices); - - if(tempVerts.empty()) { - FBXImporter::LogWarn("encountered mesh with no vertices"); - return; - } - - std::vector<int> tempFaces; - ParseVectorDataArray(tempFaces,PolygonVertexIndex); - - if(tempFaces.empty()) { - FBXImporter::LogWarn("encountered mesh with no faces"); - return; - } - - m_vertices.reserve(tempFaces.size()); - m_faces.reserve(tempFaces.size() / 3); - - m_mapping_offsets.resize(tempVerts.size()); - m_mapping_counts.resize(tempVerts.size(),0); - m_mappings.resize(tempFaces.size()); - - const size_t vertex_count = tempVerts.size(); - - // generate output vertices, computing an adjacency table to - // preserve the mapping from fbx indices to *this* indexing. - unsigned int count = 0; - for(int index : tempFaces) { - const int absi = index < 0 ? (-index - 1) : index; - if(static_cast<size_t>(absi) >= vertex_count) { - DOMError("polygon vertex index out of range",&PolygonVertexIndex); - } - - m_vertices.push_back(tempVerts[absi]); - ++count; - - ++m_mapping_counts[absi]; - - if (index < 0) { - m_faces.push_back(count); - count = 0; - } - } - - unsigned int cursor = 0; - for (size_t i = 0, e = tempVerts.size(); i < e; ++i) { - m_mapping_offsets[i] = cursor; - cursor += m_mapping_counts[i]; - - m_mapping_counts[i] = 0; - } - - cursor = 0; - for(int index : tempFaces) { - const int absi = index < 0 ? (-index - 1) : index; - m_mappings[m_mapping_offsets[absi] + m_mapping_counts[absi]++] = cursor++; - } - - // if settings.readAllLayers is true: - // * read all layers, try to load as many vertex channels as possible - // if settings.readAllLayers is false: - // * read only the layer with index 0, but warn about any further layers - for (ElementMap::const_iterator it = Layer.first; it != Layer.second; ++it) { - const TokenList& tokens = (*it).second->Tokens(); - - const char* err; - const int index = ParseTokenAsInt(*tokens[0], err); - if(err) { - DOMError(err,&element); - } - - if(doc.Settings().readAllLayers || index == 0) { - const Scope& layer = GetRequiredScope(*(*it).second); - ReadLayer(layer); - } - else { - FBXImporter::LogWarn("ignoring additional geometry layers"); - } - } -} - -// ------------------------------------------------------------------------------------------------ -MeshGeometry::~MeshGeometry() -{ - -} - -// ------------------------------------------------------------------------------------------------ -const std::vector<aiVector3D>& MeshGeometry::GetVertices() const { - return m_vertices; -} - -// ------------------------------------------------------------------------------------------------ -const std::vector<aiVector3D>& MeshGeometry::GetNormals() const { - return m_normals; -} - -// ------------------------------------------------------------------------------------------------ -const std::vector<aiVector3D>& MeshGeometry::GetTangents() const { - return m_tangents; -} - -// ------------------------------------------------------------------------------------------------ -const std::vector<aiVector3D>& MeshGeometry::GetBinormals() const { - return m_binormals; -} - -// ------------------------------------------------------------------------------------------------ -const std::vector<unsigned int>& MeshGeometry::GetFaceIndexCounts() const { - return m_faces; -} - -// ------------------------------------------------------------------------------------------------ -const std::vector<aiVector2D>& MeshGeometry::GetTextureCoords( unsigned int index ) const { - static const std::vector<aiVector2D> empty; - return index >= AI_MAX_NUMBER_OF_TEXTURECOORDS ? empty : m_uvs[ index ]; -} - -std::string MeshGeometry::GetTextureCoordChannelName( unsigned int index ) const { - return index >= AI_MAX_NUMBER_OF_TEXTURECOORDS ? "" : m_uvNames[ index ]; -} - -const std::vector<aiColor4D>& MeshGeometry::GetVertexColors( unsigned int index ) const { - static const std::vector<aiColor4D> empty; - return index >= AI_MAX_NUMBER_OF_COLOR_SETS ? empty : m_colors[ index ]; -} - -const MatIndexArray& MeshGeometry::GetMaterialIndices() const { - return m_materials; -} - -// ------------------------------------------------------------------------------------------------ -const unsigned int* MeshGeometry::ToOutputVertexIndex( unsigned int in_index, unsigned int& count ) const { - if ( in_index >= m_mapping_counts.size() ) { - return NULL; - } - - ai_assert( m_mapping_counts.size() == m_mapping_offsets.size() ); - count = m_mapping_counts[ in_index ]; - - ai_assert( m_mapping_offsets[ in_index ] + count <= m_mappings.size() ); - - return &m_mappings[ m_mapping_offsets[ in_index ] ]; -} - -// ------------------------------------------------------------------------------------------------ -unsigned int MeshGeometry::FaceForVertexIndex( unsigned int in_index ) const { - ai_assert( in_index < m_vertices.size() ); - - // in the current conversion pattern this will only be needed if - // weights are present, so no need to always pre-compute this table - if ( m_facesVertexStartIndices.empty() ) { - m_facesVertexStartIndices.resize( m_faces.size() + 1, 0 ); - - std::partial_sum( m_faces.begin(), m_faces.end(), m_facesVertexStartIndices.begin() + 1 ); - m_facesVertexStartIndices.pop_back(); - } - - ai_assert( m_facesVertexStartIndices.size() == m_faces.size() ); - const std::vector<unsigned int>::iterator it = std::upper_bound( - m_facesVertexStartIndices.begin(), - m_facesVertexStartIndices.end(), - in_index - ); - - return static_cast< unsigned int >( std::distance( m_facesVertexStartIndices.begin(), it - 1 ) ); -} - -// ------------------------------------------------------------------------------------------------ -void MeshGeometry::ReadLayer(const Scope& layer) -{ - const ElementCollection& LayerElement = layer.GetCollection("LayerElement"); - for (ElementMap::const_iterator eit = LayerElement.first; eit != LayerElement.second; ++eit) { - const Scope& elayer = GetRequiredScope(*(*eit).second); - - ReadLayerElement(elayer); - } -} - - -// ------------------------------------------------------------------------------------------------ -void MeshGeometry::ReadLayerElement(const Scope& layerElement) -{ - const Element& Type = GetRequiredElement(layerElement,"Type"); - const Element& TypedIndex = GetRequiredElement(layerElement,"TypedIndex"); - - const std::string& type = ParseTokenAsString(GetRequiredToken(Type,0)); - const int typedIndex = ParseTokenAsInt(GetRequiredToken(TypedIndex,0)); - - const Scope& top = GetRequiredScope(element); - const ElementCollection candidates = top.GetCollection(type); - - for (ElementMap::const_iterator it = candidates.first; it != candidates.second; ++it) { - const int index = ParseTokenAsInt(GetRequiredToken(*(*it).second,0)); - if(index == typedIndex) { - ReadVertexData(type,typedIndex,GetRequiredScope(*(*it).second)); - return; - } - } - - FBXImporter::LogError(Formatter::format("failed to resolve vertex layer element: ") - << type << ", index: " << typedIndex); -} - - -// ------------------------------------------------------------------------------------------------ -void MeshGeometry::ReadVertexData(const std::string& type, int index, const Scope& source) -{ - const std::string& MappingInformationType = ParseTokenAsString(GetRequiredToken( - GetRequiredElement(source,"MappingInformationType"),0) - ); - - const std::string& ReferenceInformationType = ParseTokenAsString(GetRequiredToken( - GetRequiredElement(source,"ReferenceInformationType"),0) - ); - - if (type == "LayerElementUV") { - if(index >= AI_MAX_NUMBER_OF_TEXTURECOORDS) { - FBXImporter::LogError(Formatter::format("ignoring UV layer, maximum number of UV channels exceeded: ") - << index << " (limit is " << AI_MAX_NUMBER_OF_TEXTURECOORDS << ")" ); - return; - } - - const Element* Name = source["Name"]; - m_uvNames[index] = ""; - if(Name) { - m_uvNames[index] = ParseTokenAsString(GetRequiredToken(*Name,0)); - } - - ReadVertexDataUV(m_uvs[index],source, - MappingInformationType, - ReferenceInformationType - ); - } - else if (type == "LayerElementMaterial") { - if (m_materials.size() > 0) { - FBXImporter::LogError("ignoring additional material layer"); - return; - } - - std::vector<int> temp_materials; - - ReadVertexDataMaterials(temp_materials,source, - MappingInformationType, - ReferenceInformationType - ); - - // sometimes, there will be only negative entries. Drop the material - // layer in such a case (I guess it means a default material should - // be used). This is what the converter would do anyway, and it - // avoids losing the material if there are more material layers - // coming of which at least one contains actual data (did observe - // that with one test file). - const size_t count_neg = std::count_if(temp_materials.begin(),temp_materials.end(),[](int n) { return n < 0; }); - if(count_neg == temp_materials.size()) { - FBXImporter::LogWarn("ignoring dummy material layer (all entries -1)"); - return; - } - - std::swap(temp_materials, m_materials); - } - else if (type == "LayerElementNormal") { - if (m_normals.size() > 0) { - FBXImporter::LogError("ignoring additional normal layer"); - return; - } - - ReadVertexDataNormals(m_normals,source, - MappingInformationType, - ReferenceInformationType - ); - } - else if (type == "LayerElementTangent") { - if (m_tangents.size() > 0) { - FBXImporter::LogError("ignoring additional tangent layer"); - return; - } - - ReadVertexDataTangents(m_tangents,source, - MappingInformationType, - ReferenceInformationType - ); - } - else if (type == "LayerElementBinormal") { - if (m_binormals.size() > 0) { - FBXImporter::LogError("ignoring additional binormal layer"); - return; - } - - ReadVertexDataBinormals(m_binormals,source, - MappingInformationType, - ReferenceInformationType - ); - } - else if (type == "LayerElementColor") { - if(index >= AI_MAX_NUMBER_OF_COLOR_SETS) { - FBXImporter::LogError(Formatter::format("ignoring vertex color layer, maximum number of color sets exceeded: ") - << index << " (limit is " << AI_MAX_NUMBER_OF_COLOR_SETS << ")" ); - return; - } - - ReadVertexDataColors(m_colors[index],source, - MappingInformationType, - ReferenceInformationType - ); - } -} - - -// ------------------------------------------------------------------------------------------------ -// Lengthy utility function to read and resolve a FBX vertex data array - that is, the -// output is in polygon vertex order. This logic is used for reading normals, UVs, colors, -// tangents .. -template <typename T> -void ResolveVertexDataArray(std::vector<T>& data_out, const Scope& source, - const std::string& MappingInformationType, - const std::string& ReferenceInformationType, - const char* dataElementName, - const char* indexDataElementName, - size_t vertex_count, - const std::vector<unsigned int>& mapping_counts, - const std::vector<unsigned int>& mapping_offsets, - const std::vector<unsigned int>& mappings) -{ - - - // handle permutations of Mapping and Reference type - it would be nice to - // deal with this more elegantly and with less redundancy, but right - // now it seems unavoidable. - if (MappingInformationType == "ByVertice" && ReferenceInformationType == "Direct") { - std::vector<T> tempData; - ParseVectorDataArray(tempData, GetRequiredElement(source, dataElementName)); - - data_out.resize(vertex_count); - for (size_t i = 0, e = tempData.size(); i < e; ++i) { - - const unsigned int istart = mapping_offsets[i], iend = istart + mapping_counts[i]; - for (unsigned int j = istart; j < iend; ++j) { - data_out[mappings[j]] = tempData[i]; - } - } - } - else if (MappingInformationType == "ByVertice" && ReferenceInformationType == "IndexToDirect") { - std::vector<T> tempData; - ParseVectorDataArray(tempData, GetRequiredElement(source, dataElementName)); - - data_out.resize(vertex_count); - - std::vector<int> uvIndices; - ParseVectorDataArray(uvIndices,GetRequiredElement(source,indexDataElementName)); - - for (size_t i = 0, e = uvIndices.size(); i < e; ++i) { - - const unsigned int istart = mapping_offsets[i], iend = istart + mapping_counts[i]; - for (unsigned int j = istart; j < iend; ++j) { - if (static_cast<size_t>(uvIndices[i]) >= tempData.size()) { - DOMError("index out of range",&GetRequiredElement(source,indexDataElementName)); - } - data_out[mappings[j]] = tempData[uvIndices[i]]; - } - } - } - else if (MappingInformationType == "ByPolygonVertex" && ReferenceInformationType == "Direct") { - std::vector<T> tempData; - ParseVectorDataArray(tempData, GetRequiredElement(source, dataElementName)); - - if (tempData.size() != vertex_count) { - FBXImporter::LogError(Formatter::format("length of input data unexpected for ByPolygon mapping: ") - << tempData.size() << ", expected " << vertex_count - ); - return; - } - - data_out.swap(tempData); - } - else if (MappingInformationType == "ByPolygonVertex" && ReferenceInformationType == "IndexToDirect") { - std::vector<T> tempData; - ParseVectorDataArray(tempData, GetRequiredElement(source, dataElementName)); - - data_out.resize(vertex_count); - - std::vector<int> uvIndices; - ParseVectorDataArray(uvIndices,GetRequiredElement(source,indexDataElementName)); - - if (uvIndices.size() != vertex_count) { - FBXImporter::LogError("length of input data unexpected for ByPolygonVertex mapping"); - return; - } - - unsigned int next = 0; - for(int i : uvIndices) { - if (static_cast<size_t>(i) >= tempData.size()) { - DOMError("index out of range",&GetRequiredElement(source,indexDataElementName)); - } - - data_out[next++] = tempData[i]; - } - } - else { - FBXImporter::LogError(Formatter::format("ignoring vertex data channel, access type not implemented: ") - << MappingInformationType << "," << ReferenceInformationType); - } -} - -// ------------------------------------------------------------------------------------------------ -void MeshGeometry::ReadVertexDataNormals(std::vector<aiVector3D>& normals_out, const Scope& source, - const std::string& MappingInformationType, - const std::string& ReferenceInformationType) -{ - ResolveVertexDataArray(normals_out,source,MappingInformationType,ReferenceInformationType, - "Normals", - "NormalsIndex", - m_vertices.size(), - m_mapping_counts, - m_mapping_offsets, - m_mappings); -} - - -// ------------------------------------------------------------------------------------------------ -void MeshGeometry::ReadVertexDataUV(std::vector<aiVector2D>& uv_out, const Scope& source, - const std::string& MappingInformationType, - const std::string& ReferenceInformationType) -{ - ResolveVertexDataArray(uv_out,source,MappingInformationType,ReferenceInformationType, - "UV", - "UVIndex", - m_vertices.size(), - m_mapping_counts, - m_mapping_offsets, - m_mappings); -} - - -// ------------------------------------------------------------------------------------------------ -void MeshGeometry::ReadVertexDataColors(std::vector<aiColor4D>& colors_out, const Scope& source, - const std::string& MappingInformationType, - const std::string& ReferenceInformationType) -{ - ResolveVertexDataArray(colors_out,source,MappingInformationType,ReferenceInformationType, - "Colors", - "ColorIndex", - m_vertices.size(), - m_mapping_counts, - m_mapping_offsets, - m_mappings); -} - -// ------------------------------------------------------------------------------------------------ -static const std::string TangentIndexToken = "TangentIndex"; -static const std::string TangentsIndexToken = "TangentsIndex"; - -void MeshGeometry::ReadVertexDataTangents(std::vector<aiVector3D>& tangents_out, const Scope& source, - const std::string& MappingInformationType, - const std::string& ReferenceInformationType) -{ - const char * str = source.Elements().count( "Tangents" ) > 0 ? "Tangents" : "Tangent"; - const char * strIdx = source.Elements().count( "Tangents" ) > 0 ? TangentsIndexToken.c_str() : TangentIndexToken.c_str(); - ResolveVertexDataArray(tangents_out,source,MappingInformationType,ReferenceInformationType, - str, - strIdx, - m_vertices.size(), - m_mapping_counts, - m_mapping_offsets, - m_mappings); -} - -// ------------------------------------------------------------------------------------------------ -static const std::string BinormalIndexToken = "BinormalIndex"; -static const std::string BinormalsIndexToken = "BinormalsIndex"; - -void MeshGeometry::ReadVertexDataBinormals(std::vector<aiVector3D>& binormals_out, const Scope& source, - const std::string& MappingInformationType, - const std::string& ReferenceInformationType) -{ - const char * str = source.Elements().count( "Binormals" ) > 0 ? "Binormals" : "Binormal"; - const char * strIdx = source.Elements().count( "Binormals" ) > 0 ? BinormalsIndexToken.c_str() : BinormalIndexToken.c_str(); - ResolveVertexDataArray(binormals_out,source,MappingInformationType,ReferenceInformationType, - str, - strIdx, - m_vertices.size(), - m_mapping_counts, - m_mapping_offsets, - m_mappings); -} - - -// ------------------------------------------------------------------------------------------------ -void MeshGeometry::ReadVertexDataMaterials(std::vector<int>& materials_out, const Scope& source, - const std::string& MappingInformationType, - const std::string& ReferenceInformationType) -{ - const size_t face_count = m_faces.size(); - ai_assert(face_count); - - // materials are handled separately. First of all, they are assigned per-face - // and not per polyvert. Secondly, ReferenceInformationType=IndexToDirect - // has a slightly different meaning for materials. - ParseVectorDataArray(materials_out,GetRequiredElement(source,"Materials")); - - if (MappingInformationType == "AllSame") { - // easy - same material for all faces - if (materials_out.empty()) { - FBXImporter::LogError(Formatter::format("expected material index, ignoring")); - return; - } - else if (materials_out.size() > 1) { - FBXImporter::LogWarn(Formatter::format("expected only a single material index, ignoring all except the first one")); - materials_out.clear(); - } - - m_materials.assign(m_vertices.size(),materials_out[0]); - } - else if (MappingInformationType == "ByPolygon" && ReferenceInformationType == "IndexToDirect") { - m_materials.resize(face_count); - - if(materials_out.size() != face_count) { - FBXImporter::LogError(Formatter::format("length of input data unexpected for ByPolygon mapping: ") - << materials_out.size() << ", expected " << face_count - ); - return; - } - } - else { - FBXImporter::LogError(Formatter::format("ignoring material assignments, access type not implemented: ") - << MappingInformationType << "," << ReferenceInformationType); - } -} - -} // !FBX -} // !Assimp - -#endif - |