delete src/mesh/assimp-master

1 files changed, 0 insertions, 728 deletions

diff --git a/src/mesh/assimp-master/code/AssetLib/FBX/FBXMeshGeometry.cpp b/src/mesh/assimp-master/code/AssetLib/FBX/FBXMeshGeometry.cpp
deleted file mode 100644
index 1f92fa1..0000000
--- a/src/mesh/assimp-master/code/AssetLib/FBX/FBXMeshGeometry.cpp
+++ /dev/null
@@ -1,728 +0,0 @@
-/*
-Open Asset Import Library (assimp)
-----------------------------------------------------------------------
-
-Copyright (c) 2006-2022, 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;
-        }
-        const BlendShape* const bsp = ProcessSimpleConnection<BlendShape>(*con, false, "BlendShape -> Geometry", element);
-        if (bsp) {
-            blendShapes.push_back(bsp);
-        }
-    }
-}
-
-// ------------------------------------------------------------------------------------------------
-Geometry::~Geometry()
-{
-    // empty
-}
-
-// ------------------------------------------------------------------------------------------------
-const std::vector<const BlendShape*>& Geometry::GetBlendShapes() const {
-    return blendShapes;
-}
-
-// ------------------------------------------------------------------------------------------------
-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");
-    }
-
-    std::vector<int> tempFaces;
-    ParseVectorDataArray(tempFaces,PolygonVertexIndex);
-
-    if(tempFaces.empty()) {
-        FBXImporter::LogWarn("encountered mesh with no faces");
-    }
-
-    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() {
-    // empty
-}
-
-// ------------------------------------------------------------------------------------------------
-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 nullptr;
-    }
-
-    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("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("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] = std::string();
-        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("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)
-{
-    bool isDirect = ReferenceInformationType == "Direct";
-    bool isIndexToDirect = ReferenceInformationType == "IndexToDirect";
-
-    // fall-back to direct data if there is no index data element
-    if ( isIndexToDirect && !HasElement( source, indexDataElementName ) ) {
-        isDirect = true;
-        isIndexToDirect = false;
-    }
-
-    // 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" && isDirect) {
-        if (!HasElement(source, dataElementName)) {
-            return;
-        }
-        std::vector<T> tempData;
-        ParseVectorDataArray(tempData, GetRequiredElement(source, dataElementName));
-
-        if (tempData.size() != mapping_offsets.size()) {
-            FBXImporter::LogError("length of input data unexpected for ByVertice mapping: ",
-                                  tempData.size(), ", expected ", mapping_offsets.size());
-            return;
-        }
-
-        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" && isIndexToDirect) {
-		std::vector<T> tempData;
-		ParseVectorDataArray(tempData, GetRequiredElement(source, dataElementName));
-
-        std::vector<int> uvIndices;
-        ParseVectorDataArray(uvIndices,GetRequiredElement(source,indexDataElementName));
-
-        if (uvIndices.size() != vertex_count) {
-            FBXImporter::LogError("length of input data unexpected for ByVertice mapping: ",
-                                  uvIndices.size(), ", expected ", vertex_count);
-            return;
-        }
-
-        data_out.resize(vertex_count);
-
-        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" && isDirect) {
-		std::vector<T> tempData;
-		ParseVectorDataArray(tempData, GetRequiredElement(source, dataElementName));
-
-		if (tempData.size() != vertex_count) {
-            FBXImporter::LogError("length of input data unexpected for ByPolygon mapping: ",
-				tempData.size(), ", expected ", vertex_count
-            );
-            return;
-        }
-
-		data_out.swap(tempData);
-    }
-    else if (MappingInformationType == "ByPolygonVertex" && isIndexToDirect) {
-		std::vector<T> tempData;
-		ParseVectorDataArray(tempData, GetRequiredElement(source, dataElementName));
-
-        std::vector<int> uvIndices;
-        ParseVectorDataArray(uvIndices,GetRequiredElement(source,indexDataElementName));
-
-        if (uvIndices.size() > vertex_count) {
-            FBXImporter::LogWarn("trimming length of input array for ByPolygonVertex mapping: ",
-                                          uvIndices.size(), ", expected ", vertex_count);
-            uvIndices.resize(vertex_count);
-        }
-
-        if (uvIndices.size() != vertex_count) {
-            FBXImporter::LogError("length of input data unexpected for ByPolygonVertex mapping: ",
-                                  uvIndices.size(), ", expected ", vertex_count);
-            return;
-        }
-
-        data_out.resize(vertex_count);
-
-        const T empty;
-        unsigned int next = 0;
-        for(int i : uvIndices) {
-            if ( -1 == i ) {
-                data_out[ next++ ] = empty;
-                continue;
-            }
-            if (static_cast<size_t>(i) >= tempData.size()) {
-                DOMError("index out of range",&GetRequiredElement(source,indexDataElementName));
-            }
-
-			data_out[next++] = tempData[i];
-        }
-    }
-    else {
-        FBXImporter::LogError("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 char *TangentIndexToken = "TangentIndex";
-static const char *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 : TangentIndexToken;
-    ResolveVertexDataArray(tangents_out,source,MappingInformationType,ReferenceInformationType,
-        str,
-        strIdx,
-        m_vertices.size(),
-        m_mapping_counts,
-        m_mapping_offsets,
-        m_mappings);
-}
-
-// ------------------------------------------------------------------------------------------------
-static const char * BinormalIndexToken = "BinormalIndex";
-static const char * 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 : BinormalIndexToken;
-    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();
-    if( 0 == face_count )
-    {
-        return;
-    }
-
-    // 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("expected material index, ignoring");
-            return;
-        } else if (materials_out.size() > 1) {
-            FBXImporter::LogWarn("expected only a single material index, ignoring all except the first one");
-            materials_out.clear();
-        }
-
-        materials_out.resize(m_vertices.size());
-        std::fill(materials_out.begin(), materials_out.end(), materials_out.at(0));
-    } else if (MappingInformationType == "ByPolygon" && ReferenceInformationType == "IndexToDirect") {
-        materials_out.resize(face_count);
-
-        if(materials_out.size() != face_count) {
-            FBXImporter::LogError("length of input data unexpected for ByPolygon mapping: ",
-                materials_out.size(), ", expected ", face_count
-            );
-            return;
-        }
-    } else {
-        FBXImporter::LogError("ignoring material assignments, access type not implemented: ",
-            MappingInformationType, ",", ReferenceInformationType);
-    }
-}
-// ------------------------------------------------------------------------------------------------
-ShapeGeometry::ShapeGeometry(uint64_t id, const Element& element, const std::string& name, const Document& doc)
-: Geometry(id, element, name, doc) {
-    const Scope *sc = element.Compound();
-    if (nullptr == sc) {
-        DOMError("failed to read Geometry object (class: Shape), no data scope found");
-    }
-    const Element& Indexes = GetRequiredElement(*sc, "Indexes", &element);
-    const Element& Normals = GetRequiredElement(*sc, "Normals", &element);
-    const Element& Vertices = GetRequiredElement(*sc, "Vertices", &element);
-    ParseVectorDataArray(m_indices, Indexes);
-    ParseVectorDataArray(m_vertices, Vertices);
-    ParseVectorDataArray(m_normals, Normals);
-}
-
-// ------------------------------------------------------------------------------------------------
-ShapeGeometry::~ShapeGeometry() {
-    // empty
-}
-// ------------------------------------------------------------------------------------------------
-const std::vector<aiVector3D>& ShapeGeometry::GetVertices() const {
-    return m_vertices;
-}
-// ------------------------------------------------------------------------------------------------
-const std::vector<aiVector3D>& ShapeGeometry::GetNormals() const {
-    return m_normals;
-}
-// ------------------------------------------------------------------------------------------------
-const std::vector<unsigned int>& ShapeGeometry::GetIndices() const {
-    return m_indices;
-}
-// ------------------------------------------------------------------------------------------------
-LineGeometry::LineGeometry(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: Line), no data scope found");
-    }
-    const Element& Points = GetRequiredElement(*sc, "Points", &element);
-    const Element& PointsIndex = GetRequiredElement(*sc, "PointsIndex", &element);
-    ParseVectorDataArray(m_vertices, Points);
-    ParseVectorDataArray(m_indices, PointsIndex);
-}
-
-// ------------------------------------------------------------------------------------------------
-LineGeometry::~LineGeometry() {
-    // empty
-}
-// ------------------------------------------------------------------------------------------------
-const std::vector<aiVector3D>& LineGeometry::GetVertices() const {
-    return m_vertices;
-}
-// ------------------------------------------------------------------------------------------------
-const std::vector<int>& LineGeometry::GetIndices() const {
-    return m_indices;
-}
-} // !FBX
-} // !Assimp
-#endif
-