diff options
Diffstat (limited to 'src/3rdparty/assimp/code/FBXMeshGeometry.cpp')
| -rw-r--r-- | src/3rdparty/assimp/code/FBXMeshGeometry.cpp | 901 |
1 files changed, 500 insertions, 401 deletions
diff --git a/src/3rdparty/assimp/code/FBXMeshGeometry.cpp b/src/3rdparty/assimp/code/FBXMeshGeometry.cpp index be3fbd621..e9d83911b 100644 --- a/src/3rdparty/assimp/code/FBXMeshGeometry.cpp +++ b/src/3rdparty/assimp/code/FBXMeshGeometry.cpp @@ -2,11 +2,11 @@ Open Asset Import Library (assimp) ---------------------------------------------------------------------- -Copyright (c) 2006-2012, assimp team +Copyright (c) 2006-2016, 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 +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 @@ -23,16 +23,16 @@ following conditions are met: 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 +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 +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 +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 +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. ---------------------------------------------------------------------- @@ -41,13 +41,12 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. /** @file FBXMeshGeometry.cpp * @brief Assimp::FBX::MeshGeometry implementation */ -#include "AssimpPCH.h" #ifndef ASSIMP_BUILD_NO_FBX_IMPORTER #include <functional> -#include "FBXParser.h" +#include "FBXMeshGeometry.h" #include "FBXDocument.h" #include "FBXImporter.h" #include "FBXImportSettings.h" @@ -57,22 +56,21 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. namespace Assimp { namespace FBX { - using namespace Util; - +using namespace Util; // ------------------------------------------------------------------------------------------------ Geometry::Geometry(uint64_t id, const Element& element, const std::string& name, const Document& doc) - : Object(id, element,name) - , skin() + : Object(id, element,name) + , skin() { - const std::vector<const Connection*>& conns = doc.GetConnectionsByDestinationSequenced(ID(),"Deformer"); - BOOST_FOREACH(const Connection* con, conns) { - const Skin* const sk = ProcessSimpleConnection<Skin>(*con, false, "Skin -> Geometry", element); - if(sk) { - skin = sk; - break; - } - } + 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; + } + } } @@ -82,253 +80,335 @@ 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; - } - - vertices.reserve(tempFaces.size()); - faces.reserve(tempFaces.size() / 3); - - mapping_offsets.resize(tempVerts.size()); - mapping_counts.resize(tempVerts.size(),0); - 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; - BOOST_FOREACH(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); - } - - vertices.push_back(tempVerts[absi]); - ++count; - - ++mapping_counts[absi]; - - if (index < 0) { - faces.push_back(count); - count = 0; - } - } - - unsigned int cursor = 0; - for (size_t i = 0, e = tempVerts.size(); i < e; ++i) { - mapping_offsets[i] = cursor; - cursor += mapping_counts[i]; - - mapping_counts[i] = 0; - } - - cursor = 0; - BOOST_FOREACH(int index, tempFaces) { - const int absi = index < 0 ? (-index - 1) : index; - mappings[mapping_offsets[absi] + 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"); - } - } + 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; + } + + vertices.reserve(tempFaces.size()); + faces.reserve(tempFaces.size() / 3); + + mapping_offsets.resize(tempVerts.size()); + mapping_counts.resize(tempVerts.size(),0); + 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); + } + + vertices.push_back(tempVerts[absi]); + ++count; + + ++mapping_counts[absi]; + + if (index < 0) { + faces.push_back(count); + count = 0; + } + } + + unsigned int cursor = 0; + for (size_t i = 0, e = tempVerts.size(); i < e; ++i) { + mapping_offsets[i] = cursor; + cursor += mapping_counts[i]; + + mapping_counts[i] = 0; + } + + cursor = 0; + for(int index : tempFaces) { + const int absi = index < 0 ? (-index - 1) : index; + mappings[mapping_offsets[absi] + 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 vertices; +} + +// ------------------------------------------------------------------------------------------------ +const std::vector<aiVector3D>& MeshGeometry::GetNormals() const { + return normals; +} + +// ------------------------------------------------------------------------------------------------ +const std::vector<aiVector3D>& MeshGeometry::GetTangents() const { + return tangents; +} + +// ------------------------------------------------------------------------------------------------ +const std::vector<aiVector3D>& MeshGeometry::GetBinormals() const { + return binormals; +} + +// ------------------------------------------------------------------------------------------------ +const std::vector<unsigned int>& MeshGeometry::GetFaceIndexCounts() const { + return 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 : uvs[ index ]; +} + +std::string MeshGeometry::GetTextureCoordChannelName( unsigned int index ) const { + return index >= AI_MAX_NUMBER_OF_TEXTURECOORDS ? "" : 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 : colors[ index ]; +} + +const MatIndexArray& MeshGeometry::GetMaterialIndices() const { + return materials; +} + +// ------------------------------------------------------------------------------------------------ +const unsigned int* MeshGeometry::ToOutputVertexIndex( unsigned int in_index, unsigned int& count ) const { + if ( in_index >= mapping_counts.size() ) { + return NULL; + } + + ai_assert( mapping_counts.size() == mapping_offsets.size() ); + count = mapping_counts[ in_index ]; + + ai_assert( count != 0 ); + ai_assert( mapping_offsets[ in_index ] + count <= mappings.size() ); + return &mappings[ mapping_offsets[ in_index ] ]; +} + +// ------------------------------------------------------------------------------------------------ +unsigned int MeshGeometry::FaceForVertexIndex( unsigned int in_index ) const { + ai_assert( in_index < 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 ( facesVertexStartIndices.empty() ) { + facesVertexStartIndices.resize( faces.size() + 1, 0 ); + + std::partial_sum( faces.begin(), faces.end(), facesVertexStartIndices.begin() + 1 ); + facesVertexStartIndices.pop_back(); + } + + ai_assert( facesVertexStartIndices.size() == faces.size() ); + const std::vector<unsigned int>::iterator it = std::upper_bound( + facesVertexStartIndices.begin(), + facesVertexStartIndices.end(), + in_index + ); + + return static_cast< unsigned int >( std::distance( 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); + 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); - } + ReadLayerElement(elayer); + } } // ------------------------------------------------------------------------------------------------ void MeshGeometry::ReadLayerElement(const Scope& layerElement) { - const Element& Type = GetRequiredElement(layerElement,"Type"); - const Element& TypedIndex = GetRequiredElement(layerElement,"TypedIndex"); + 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 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); + 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; - } - } + 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); + 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"]; - uvNames[index] = ""; - if(Name) { - uvNames[index] = ParseTokenAsString(GetRequiredToken(*Name,0)); - } - - ReadVertexDataUV(uvs[index],source, - MappingInformationType, - ReferenceInformationType - ); - } - else if (type == "LayerElementMaterial") { - if (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 loosing 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(),std::bind2nd(std::less<int>(),0)); - if(count_neg == temp_materials.size()) { - FBXImporter::LogWarn("ignoring dummy material layer (all entries -1)"); - return; - } - - std::swap(temp_materials, materials); - } - else if (type == "LayerElementNormal") { - if (normals.size() > 0) { - FBXImporter::LogError("ignoring additional normal layer"); - return; - } - - ReadVertexDataNormals(normals,source, - MappingInformationType, - ReferenceInformationType - ); - } - else if (type == "LayerElementTangent") { - if (tangents.size() > 0) { - FBXImporter::LogError("ignoring additional tangent layer"); - return; - } - - ReadVertexDataTangents(tangents,source, - MappingInformationType, - ReferenceInformationType - ); - } - else if (type == "LayerElementBinormal") { - if (binormals.size() > 0) { - FBXImporter::LogError("ignoring additional binormal layer"); - return; - } - - ReadVertexDataBinormals(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(colors[index],source, - MappingInformationType, - ReferenceInformationType - ); - } + 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"]; + uvNames[index] = ""; + if(Name) { + uvNames[index] = ParseTokenAsString(GetRequiredToken(*Name,0)); + } + + ReadVertexDataUV(uvs[index],source, + MappingInformationType, + ReferenceInformationType + ); + } + else if (type == "LayerElementMaterial") { + if (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(),std::bind2nd(std::less<int>(),0)); + if(count_neg == temp_materials.size()) { + FBXImporter::LogWarn("ignoring dummy material layer (all entries -1)"); + return; + } + + std::swap(temp_materials, materials); + } + else if (type == "LayerElementNormal") { + if (normals.size() > 0) { + FBXImporter::LogError("ignoring additional normal layer"); + return; + } + + ReadVertexDataNormals(normals,source, + MappingInformationType, + ReferenceInformationType + ); + } + else if (type == "LayerElementTangent") { + if (tangents.size() > 0) { + FBXImporter::LogError("ignoring additional tangent layer"); + return; + } + + ReadVertexDataTangents(tangents,source, + MappingInformationType, + ReferenceInformationType + ); + } + else if (type == "LayerElementBinormal") { + if (binormals.size() > 0) { + FBXImporter::LogError("ignoring additional binormal layer"); + return; + } + + ReadVertexDataBinormals(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(colors[index],source, + MappingInformationType, + ReferenceInformationType + ); + } } @@ -337,200 +417,219 @@ void MeshGeometry::ReadVertexData(const std::string& type, int index, const Scop // 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) +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) { - std::vector<T> tempUV; - ParseVectorDataArray(tempUV,GetRequiredElement(source,dataElementName)); - - // 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") { - data_out.resize(vertex_count); - for (size_t i = 0, e = tempUV.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]] = tempUV[i]; - } - } - } - else if (MappingInformationType == "ByVertice" && ReferenceInformationType == "IndexToDirect") { - 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]) >= tempUV.size()) { - DOMError("index out of range",&GetRequiredElement(source,indexDataElementName)); - } - data_out[mappings[j]] = tempUV[uvIndices[i]]; - } - } - } - else if (MappingInformationType == "ByPolygonVertex" && ReferenceInformationType == "Direct") { - if (tempUV.size() != vertex_count) { - FBXImporter::LogError(Formatter::format("length of input data unexpected for ByPolygon mapping: ") - << tempUV.size() << ", expected " << vertex_count - ); - return; - } - - data_out.swap(tempUV); - } - else if (MappingInformationType == "ByPolygonVertex" && ReferenceInformationType == "IndexToDirect") { - 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; - BOOST_FOREACH(int i, uvIndices) { - if(static_cast<size_t>(i) >= tempUV.size()) { - DOMError("index out of range",&GetRequiredElement(source,indexDataElementName)); - } - - data_out[next++] = tempUV[i]; - } - } - else { - FBXImporter::LogError(Formatter::format("ignoring vertex data channel, access type not implemented: ") - << MappingInformationType << "," << ReferenceInformationType); - } + + + // 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) +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", - vertices.size(), - mapping_counts, - mapping_offsets, - mappings); + ResolveVertexDataArray(normals_out,source,MappingInformationType,ReferenceInformationType, + "Normals", + "NormalsIndex", + vertices.size(), + mapping_counts, + mapping_offsets, + mappings); } // ------------------------------------------------------------------------------------------------ -void MeshGeometry::ReadVertexDataUV(std::vector<aiVector2D>& uv_out, const Scope& source, - const std::string& MappingInformationType, - const std::string& ReferenceInformationType) +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", - vertices.size(), - mapping_counts, - mapping_offsets, - mappings); + ResolveVertexDataArray(uv_out,source,MappingInformationType,ReferenceInformationType, + "UV", + "UVIndex", + vertices.size(), + mapping_counts, + mapping_offsets, + mappings); } // ------------------------------------------------------------------------------------------------ -void MeshGeometry::ReadVertexDataColors(std::vector<aiColor4D>& colors_out, const Scope& source, - const std::string& MappingInformationType, - const std::string& ReferenceInformationType) +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", - vertices.size(), - mapping_counts, - mapping_offsets, - mappings); + ResolveVertexDataArray(colors_out,source,MappingInformationType,ReferenceInformationType, + "Colors", + "ColorIndex", + vertices.size(), + mapping_counts, + mapping_offsets, + mappings); } - // ------------------------------------------------------------------------------------------------ -void MeshGeometry::ReadVertexDataTangents(std::vector<aiVector3D>& tangents_out, const Scope& source, - const std::string& MappingInformationType, - const std::string& ReferenceInformationType) +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) { - ResolveVertexDataArray(tangents_out,source,MappingInformationType,ReferenceInformationType, - "Tangent", - "TangentIndex", - vertices.size(), - mapping_counts, - mapping_offsets, - mappings); + 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, + vertices.size(), + mapping_counts, + mapping_offsets, + mappings); } - // ------------------------------------------------------------------------------------------------ -void MeshGeometry::ReadVertexDataBinormals(std::vector<aiVector3D>& binormals_out, const Scope& source, - const std::string& MappingInformationType, - const std::string& ReferenceInformationType) +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) { - ResolveVertexDataArray(binormals_out,source,MappingInformationType,ReferenceInformationType, - "Binormal", - "BinormalIndex", - vertices.size(), - mapping_counts, - mapping_offsets, - mappings); + 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, + vertices.size(), + mapping_counts, + mapping_offsets, + mappings); } // ------------------------------------------------------------------------------------------------ -void MeshGeometry::ReadVertexDataMaterials(std::vector<int>& materials_out, const Scope& source, - const std::string& MappingInformationType, - const std::string& ReferenceInformationType) +void MeshGeometry::ReadVertexDataMaterials(std::vector<int>& materials_out, const Scope& source, + const std::string& MappingInformationType, + const std::string& ReferenceInformationType) { - const size_t face_count = 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(); - } - - materials.assign(vertices.size(),materials_out[0]); - } - else if (MappingInformationType == "ByPolygon" && ReferenceInformationType == "IndexToDirect") { - 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); - } + const size_t face_count = 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(); + } + + materials.assign(vertices.size(),materials_out[0]); + } + else if (MappingInformationType == "ByPolygon" && ReferenceInformationType == "IndexToDirect") { + 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 |