diff options
Diffstat (limited to 'src/3rdparty/assimp/code/IRRMeshLoader.cpp')
| -rw-r--r-- | src/3rdparty/assimp/code/IRRMeshLoader.cpp | 894 |
1 files changed, 451 insertions, 443 deletions
diff --git a/src/3rdparty/assimp/code/IRRMeshLoader.cpp b/src/3rdparty/assimp/code/IRRMeshLoader.cpp index 20e5438d9..0a2a54e84 100644 --- a/src/3rdparty/assimp/code/IRRMeshLoader.cpp +++ b/src/3rdparty/assimp/code/IRRMeshLoader.cpp @@ -3,12 +3,12 @@ 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 following +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 @@ -25,45 +25,53 @@ 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. --------------------------------------------------------------------------- */ /** @file Implementation of the IrrMesh importer class */ -#include "AssimpPCH.h" + #ifndef ASSIMP_BUILD_NO_IRRMESH_IMPORTER #include "IRRMeshLoader.h" #include "ParsingUtils.h" #include "fast_atof.h" +#include <memory> +#include <assimp/IOSystem.hpp> +#include <assimp/mesh.h> +#include <assimp/DefaultLogger.hpp> +#include <assimp/material.h> +#include <assimp/scene.h> +#include "Macros.h" + using namespace Assimp; using namespace irr; using namespace irr::io; static const aiImporterDesc desc = { - "Irrlicht Mesh Reader", - "", - "", - "http://irrlicht.sourceforge.net/", - aiImporterFlags_SupportTextFlavour, - 0, - 0, - 0, - 0, - "xml irrmesh" + "Irrlicht Mesh Reader", + "", + "", + "http://irrlicht.sourceforge.net/", + aiImporterFlags_SupportTextFlavour, + 0, + 0, + 0, + 0, + "xml irrmesh" }; // ------------------------------------------------------------------------------------------------ @@ -72,444 +80,444 @@ IRRMeshImporter::IRRMeshImporter() {} // ------------------------------------------------------------------------------------------------ -// Destructor, private as well +// Destructor, private as well IRRMeshImporter::~IRRMeshImporter() {} // ------------------------------------------------------------------------------------------------ -// Returns whether the class can handle the format of the given file. +// Returns whether the class can handle the format of the given file. bool IRRMeshImporter::CanRead( const std::string& pFile, IOSystem* pIOHandler, bool checkSig) const { - /* NOTE: A simple check for the file extension is not enough - * here. Irrmesh and irr are easy, but xml is too generic - * and could be collada, too. So we need to open the file and - * search for typical tokens. - */ - const std::string extension = GetExtension(pFile); - - if (extension == "irrmesh")return true; - else if (extension == "xml" || checkSig) - { - /* If CanRead() is called to check whether the loader - * supports a specific file extension in general we - * must return true here. - */ - if (!pIOHandler)return true; - const char* tokens[] = {"irrmesh"}; - return SearchFileHeaderForToken(pIOHandler,pFile,tokens,1); - } - return false; + /* NOTE: A simple check for the file extension is not enough + * here. Irrmesh and irr are easy, but xml is too generic + * and could be collada, too. So we need to open the file and + * search for typical tokens. + */ + const std::string extension = GetExtension(pFile); + + if (extension == "irrmesh")return true; + else if (extension == "xml" || checkSig) + { + /* If CanRead() is called to check whether the loader + * supports a specific file extension in general we + * must return true here. + */ + if (!pIOHandler)return true; + const char* tokens[] = {"irrmesh"}; + return SearchFileHeaderForToken(pIOHandler,pFile,tokens,1); + } + return false; } // ------------------------------------------------------------------------------------------------ // Get a list of all file extensions which are handled by this class const aiImporterDesc* IRRMeshImporter::GetInfo () const { - return &desc; + return &desc; } // ------------------------------------------------------------------------------------------------ -// Imports the given file into the given scene structure. -void IRRMeshImporter::InternReadFile( const std::string& pFile, - aiScene* pScene, IOSystem* pIOHandler) +// Imports the given file into the given scene structure. +void IRRMeshImporter::InternReadFile( const std::string& pFile, + aiScene* pScene, IOSystem* pIOHandler) { - boost::scoped_ptr<IOStream> file( pIOHandler->Open( pFile)); - - // Check whether we can read from the file - if( file.get() == NULL) - throw DeadlyImportError( "Failed to open IRRMESH file " + pFile + ""); - - // Construct the irrXML parser - CIrrXML_IOStreamReader st(file.get()); - reader = createIrrXMLReader((IFileReadCallBack*) &st); - - // final data - std::vector<aiMaterial*> materials; - std::vector<aiMesh*> meshes; - materials.reserve (5); - meshes.reserve (5); - - // temporary data - current mesh buffer - aiMaterial* curMat = NULL; - aiMesh* curMesh = NULL; - unsigned int curMatFlags = 0; - - std::vector<aiVector3D> curVertices,curNormals,curTangents,curBitangents; - std::vector<aiColor4D> curColors; - std::vector<aiVector3D> curUVs,curUV2s; - - // some temporary variables - int textMeaning = 0; - int vertexFormat = 0; // 0 = normal; 1 = 2 tcoords, 2 = tangents - bool useColors = false; - - // Parse the XML file - while (reader->read()) { - switch (reader->getNodeType()) { - case EXN_ELEMENT: - - if (!ASSIMP_stricmp(reader->getNodeName(),"buffer") && (curMat || curMesh)) { - // end of previous buffer. A material and a mesh should be there - if ( !curMat || !curMesh) { - DefaultLogger::get()->error("IRRMESH: A buffer must contain a mesh and a material"); - delete curMat; - delete curMesh; - } - else { - materials.push_back(curMat); - meshes.push_back(curMesh); - } - curMat = NULL; - curMesh = NULL; - - curVertices.clear(); - curColors.clear(); - curNormals.clear(); - curUV2s.clear(); - curUVs.clear(); - curTangents.clear(); - curBitangents.clear(); - } - - - if (!ASSIMP_stricmp(reader->getNodeName(),"material")) { - if (curMat) { - DefaultLogger::get()->warn("IRRMESH: Only one material description per buffer, please"); - delete curMat;curMat = NULL; - } - curMat = ParseMaterial(curMatFlags); - } - /* no else here! */ if (!ASSIMP_stricmp(reader->getNodeName(),"vertices")) - { - int num = reader->getAttributeValueAsInt("vertexCount"); - - if (!num) { - // This is possible ... remove the mesh from the list and skip further reading - DefaultLogger::get()->warn("IRRMESH: Found mesh with zero vertices"); - - delete curMat;curMat = NULL; - - curMesh = NULL; - textMeaning = 0; - continue; - } - - curVertices.reserve (num); - curNormals.reserve (num); - curColors.reserve (num); - curUVs.reserve (num); - - // Determine the file format - const char* t = reader->getAttributeValueSafe("type"); - if (!ASSIMP_stricmp("2tcoords", t)) { - curUV2s.reserve (num); - vertexFormat = 1; - - if (curMatFlags & AI_IRRMESH_EXTRA_2ND_TEXTURE) { - // ********************************************************* - // We have a second texture! So use this UV channel - // for it. The 2nd texture can be either a normal - // texture (solid_2layer or lightmap_xxx) or a normal - // map (normal_..., parallax_...) - // ********************************************************* - int idx = 1; - aiMaterial* mat = ( aiMaterial* ) curMat; - - if (curMatFlags & AI_IRRMESH_MAT_lightmap){ - mat->AddProperty(&idx,1,AI_MATKEY_UVWSRC_LIGHTMAP(0)); - } - else if (curMatFlags & AI_IRRMESH_MAT_normalmap_solid){ - mat->AddProperty(&idx,1,AI_MATKEY_UVWSRC_NORMALS(0)); - } - else if (curMatFlags & AI_IRRMESH_MAT_solid_2layer) { - mat->AddProperty(&idx,1,AI_MATKEY_UVWSRC_DIFFUSE(1)); - } - } - } - else if (!ASSIMP_stricmp("tangents", t)) { - curTangents.reserve (num); - curBitangents.reserve (num); - vertexFormat = 2; - } - else if (ASSIMP_stricmp("standard", t)) { - delete curMat; - DefaultLogger::get()->warn("IRRMESH: Unknown vertex format"); - } - else vertexFormat = 0; - textMeaning = 1; - } - else if (!ASSIMP_stricmp(reader->getNodeName(),"indices")) { - if (curVertices.empty() && curMat) { - delete curMat; - throw DeadlyImportError("IRRMESH: indices must come after vertices"); - } - - textMeaning = 2; - - // start a new mesh - curMesh = new aiMesh(); - - // allocate storage for all faces - curMesh->mNumVertices = reader->getAttributeValueAsInt("indexCount"); - if (!curMesh->mNumVertices) { - // This is possible ... remove the mesh from the list and skip further reading - DefaultLogger::get()->warn("IRRMESH: Found mesh with zero indices"); - - // mesh - away - delete curMesh; curMesh = NULL; - - // material - away - delete curMat;curMat = NULL; - - textMeaning = 0; - continue; - } - - if (curMesh->mNumVertices % 3) { - DefaultLogger::get()->warn("IRRMESH: Number if indices isn't divisible by 3"); - } - - curMesh->mNumFaces = curMesh->mNumVertices / 3; - curMesh->mFaces = new aiFace[curMesh->mNumFaces]; - - // setup some members - curMesh->mMaterialIndex = (unsigned int)materials.size(); - curMesh->mPrimitiveTypes = aiPrimitiveType_TRIANGLE; - - // allocate storage for all vertices - curMesh->mVertices = new aiVector3D[curMesh->mNumVertices]; - - if (curNormals.size() == curVertices.size()) { - curMesh->mNormals = new aiVector3D[curMesh->mNumVertices]; - } - if (curTangents.size() == curVertices.size()) { - curMesh->mTangents = new aiVector3D[curMesh->mNumVertices]; - } - if (curBitangents.size() == curVertices.size()) { - curMesh->mBitangents = new aiVector3D[curMesh->mNumVertices]; - } - if (curColors.size() == curVertices.size() && useColors) { - curMesh->mColors[0] = new aiColor4D[curMesh->mNumVertices]; - } - if (curUVs.size() == curVertices.size()) { - curMesh->mTextureCoords[0] = new aiVector3D[curMesh->mNumVertices]; - } - if (curUV2s.size() == curVertices.size()) { - curMesh->mTextureCoords[1] = new aiVector3D[curMesh->mNumVertices]; - } - } - break; - - case EXN_TEXT: - { - const char* sz = reader->getNodeData(); - if (textMeaning == 1) { - textMeaning = 0; - - // read vertices - do { - SkipSpacesAndLineEnd(&sz); - aiVector3D temp;aiColor4D c; - - // Read the vertex position - sz = fast_atoreal_move<float>(sz,(float&)temp.x); - SkipSpaces(&sz); - - sz = fast_atoreal_move<float>(sz,(float&)temp.y); - SkipSpaces(&sz); - - sz = fast_atoreal_move<float>(sz,(float&)temp.z); - SkipSpaces(&sz); - curVertices.push_back(temp); - - // Read the vertex normals - sz = fast_atoreal_move<float>(sz,(float&)temp.x); - SkipSpaces(&sz); - - sz = fast_atoreal_move<float>(sz,(float&)temp.y); - SkipSpaces(&sz); - - sz = fast_atoreal_move<float>(sz,(float&)temp.z); - SkipSpaces(&sz); - curNormals.push_back(temp); - - // read the vertex colors - uint32_t clr = strtoul16(sz,&sz); - ColorFromARGBPacked(clr,c); - - if (!curColors.empty() && c != *(curColors.end()-1)) - useColors = true; - - curColors.push_back(c); - SkipSpaces(&sz); - - - // read the first UV coordinate set - sz = fast_atoreal_move<float>(sz,(float&)temp.x); - SkipSpaces(&sz); - - sz = fast_atoreal_move<float>(sz,(float&)temp.y); - SkipSpaces(&sz); - temp.z = 0.f; - temp.y = 1.f - temp.y; // DX to OGL - curUVs.push_back(temp); - - // read the (optional) second UV coordinate set - if (vertexFormat == 1) { - sz = fast_atoreal_move<float>(sz,(float&)temp.x); - SkipSpaces(&sz); - - sz = fast_atoreal_move<float>(sz,(float&)temp.y); - temp.y = 1.f - temp.y; // DX to OGL - curUV2s.push_back(temp); - } - // read optional tangent and bitangent vectors - else if (vertexFormat == 2) { - // tangents - sz = fast_atoreal_move<float>(sz,(float&)temp.x); - SkipSpaces(&sz); - - sz = fast_atoreal_move<float>(sz,(float&)temp.z); - SkipSpaces(&sz); - - sz = fast_atoreal_move<float>(sz,(float&)temp.y); - SkipSpaces(&sz); - temp.y *= -1.0f; - curTangents.push_back(temp); - - // bitangents - sz = fast_atoreal_move<float>(sz,(float&)temp.x); - SkipSpaces(&sz); - - sz = fast_atoreal_move<float>(sz,(float&)temp.z); - SkipSpaces(&sz); - - sz = fast_atoreal_move<float>(sz,(float&)temp.y); - SkipSpaces(&sz); - temp.y *= -1.0f; - curBitangents.push_back(temp); - } - } - - /* IMPORTANT: We assume that each vertex is specified in one - line. So we can skip the rest of the line - unknown vertex - elements are ignored. - */ - - while (SkipLine(&sz)); - } - else if (textMeaning == 2) { - textMeaning = 0; - - // read indices - aiFace* curFace = curMesh->mFaces; - aiFace* const faceEnd = curMesh->mFaces + curMesh->mNumFaces; - - aiVector3D* pcV = curMesh->mVertices; - aiVector3D* pcN = curMesh->mNormals; - aiVector3D* pcT = curMesh->mTangents; - aiVector3D* pcB = curMesh->mBitangents; - aiColor4D* pcC0 = curMesh->mColors[0]; - aiVector3D* pcT0 = curMesh->mTextureCoords[0]; - aiVector3D* pcT1 = curMesh->mTextureCoords[1]; - - unsigned int curIdx = 0; - unsigned int total = 0; - while(SkipSpacesAndLineEnd(&sz)) { - if (curFace >= faceEnd) { - DefaultLogger::get()->error("IRRMESH: Too many indices"); - break; - } - if (!curIdx) { - curFace->mNumIndices = 3; - curFace->mIndices = new unsigned int[3]; - } - - unsigned int idx = strtoul10(sz,&sz); - if (idx >= curVertices.size()) { - DefaultLogger::get()->error("IRRMESH: Index out of range"); - idx = 0; - } - - curFace->mIndices[curIdx] = total++; - - *pcV++ = curVertices[idx]; - if (pcN)*pcN++ = curNormals[idx]; - if (pcT)*pcT++ = curTangents[idx]; - if (pcB)*pcB++ = curBitangents[idx]; - if (pcC0)*pcC0++ = curColors[idx]; - if (pcT0)*pcT0++ = curUVs[idx]; - if (pcT1)*pcT1++ = curUV2s[idx]; - - if (++curIdx == 3) { - ++curFace; - curIdx = 0; - } - } - - if (curFace != faceEnd) - DefaultLogger::get()->error("IRRMESH: Not enough indices"); - - // Finish processing the mesh - do some small material workarounds - if (curMatFlags & AI_IRRMESH_MAT_trans_vertex_alpha && !useColors) { - // Take the opacity value of the current material - // from the common vertex color alpha - aiMaterial* mat = (aiMaterial*)curMat; - mat->AddProperty(&curColors[0].a,1,AI_MATKEY_OPACITY); - } - }} - break; - - default: - - // GCC complains here ... - break; - - }; - } - - // End of the last buffer. A material and a mesh should be there - if (curMat || curMesh) { - if ( !curMat || !curMesh) { - DefaultLogger::get()->error("IRRMESH: A buffer must contain a mesh and a material"); - delete curMat; - delete curMesh; - } - else { - materials.push_back(curMat); - meshes.push_back(curMesh); - } - } - - if (materials.empty()) - throw DeadlyImportError("IRRMESH: Unable to read a mesh from this file"); - - - // now generate the output scene - pScene->mNumMeshes = (unsigned int)meshes.size(); - pScene->mMeshes = new aiMesh*[pScene->mNumMeshes]; - for (unsigned int i = 0; i < pScene->mNumMeshes;++i) { - pScene->mMeshes[i] = meshes[i]; - - // clean this value ... - pScene->mMeshes[i]->mNumUVComponents[3] = 0; - } - - pScene->mNumMaterials = (unsigned int)materials.size(); - pScene->mMaterials = new aiMaterial*[pScene->mNumMaterials]; - ::memcpy(pScene->mMaterials,&materials[0],sizeof(void*)*pScene->mNumMaterials); - - pScene->mRootNode = new aiNode(); - pScene->mRootNode->mName.Set("<IRRMesh>"); - pScene->mRootNode->mNumMeshes = pScene->mNumMeshes; - pScene->mRootNode->mMeshes = new unsigned int[pScene->mNumMeshes]; - - for (unsigned int i = 0; i < pScene->mNumMeshes;++i) - pScene->mRootNode->mMeshes[i] = i; - - // clean up and return - delete reader; - AI_DEBUG_INVALIDATE_PTR(reader); + std::unique_ptr<IOStream> file( pIOHandler->Open( pFile)); + + // Check whether we can read from the file + if( file.get() == NULL) + throw DeadlyImportError( "Failed to open IRRMESH file " + pFile + ""); + + // Construct the irrXML parser + CIrrXML_IOStreamReader st(file.get()); + reader = createIrrXMLReader((IFileReadCallBack*) &st); + + // final data + std::vector<aiMaterial*> materials; + std::vector<aiMesh*> meshes; + materials.reserve (5); + meshes.reserve (5); + + // temporary data - current mesh buffer + aiMaterial* curMat = NULL; + aiMesh* curMesh = NULL; + unsigned int curMatFlags = 0; + + std::vector<aiVector3D> curVertices,curNormals,curTangents,curBitangents; + std::vector<aiColor4D> curColors; + std::vector<aiVector3D> curUVs,curUV2s; + + // some temporary variables + int textMeaning = 0; + int vertexFormat = 0; // 0 = normal; 1 = 2 tcoords, 2 = tangents + bool useColors = false; + + // Parse the XML file + while (reader->read()) { + switch (reader->getNodeType()) { + case EXN_ELEMENT: + + if (!ASSIMP_stricmp(reader->getNodeName(),"buffer") && (curMat || curMesh)) { + // end of previous buffer. A material and a mesh should be there + if ( !curMat || !curMesh) { + DefaultLogger::get()->error("IRRMESH: A buffer must contain a mesh and a material"); + delete curMat; + delete curMesh; + } + else { + materials.push_back(curMat); + meshes.push_back(curMesh); + } + curMat = NULL; + curMesh = NULL; + + curVertices.clear(); + curColors.clear(); + curNormals.clear(); + curUV2s.clear(); + curUVs.clear(); + curTangents.clear(); + curBitangents.clear(); + } + + + if (!ASSIMP_stricmp(reader->getNodeName(),"material")) { + if (curMat) { + DefaultLogger::get()->warn("IRRMESH: Only one material description per buffer, please"); + delete curMat;curMat = NULL; + } + curMat = ParseMaterial(curMatFlags); + } + /* no else here! */ if (!ASSIMP_stricmp(reader->getNodeName(),"vertices")) + { + int num = reader->getAttributeValueAsInt("vertexCount"); + + if (!num) { + // This is possible ... remove the mesh from the list and skip further reading + DefaultLogger::get()->warn("IRRMESH: Found mesh with zero vertices"); + + delete curMat;curMat = NULL; + + curMesh = NULL; + textMeaning = 0; + continue; + } + + curVertices.reserve (num); + curNormals.reserve (num); + curColors.reserve (num); + curUVs.reserve (num); + + // Determine the file format + const char* t = reader->getAttributeValueSafe("type"); + if (!ASSIMP_stricmp("2tcoords", t)) { + curUV2s.reserve (num); + vertexFormat = 1; + + if (curMatFlags & AI_IRRMESH_EXTRA_2ND_TEXTURE) { + // ********************************************************* + // We have a second texture! So use this UV channel + // for it. The 2nd texture can be either a normal + // texture (solid_2layer or lightmap_xxx) or a normal + // map (normal_..., parallax_...) + // ********************************************************* + int idx = 1; + aiMaterial* mat = ( aiMaterial* ) curMat; + + if (curMatFlags & AI_IRRMESH_MAT_lightmap){ + mat->AddProperty(&idx,1,AI_MATKEY_UVWSRC_LIGHTMAP(0)); + } + else if (curMatFlags & AI_IRRMESH_MAT_normalmap_solid){ + mat->AddProperty(&idx,1,AI_MATKEY_UVWSRC_NORMALS(0)); + } + else if (curMatFlags & AI_IRRMESH_MAT_solid_2layer) { + mat->AddProperty(&idx,1,AI_MATKEY_UVWSRC_DIFFUSE(1)); + } + } + } + else if (!ASSIMP_stricmp("tangents", t)) { + curTangents.reserve (num); + curBitangents.reserve (num); + vertexFormat = 2; + } + else if (ASSIMP_stricmp("standard", t)) { + delete curMat; + DefaultLogger::get()->warn("IRRMESH: Unknown vertex format"); + } + else vertexFormat = 0; + textMeaning = 1; + } + else if (!ASSIMP_stricmp(reader->getNodeName(),"indices")) { + if (curVertices.empty() && curMat) { + delete curMat; + throw DeadlyImportError("IRRMESH: indices must come after vertices"); + } + + textMeaning = 2; + + // start a new mesh + curMesh = new aiMesh(); + + // allocate storage for all faces + curMesh->mNumVertices = reader->getAttributeValueAsInt("indexCount"); + if (!curMesh->mNumVertices) { + // This is possible ... remove the mesh from the list and skip further reading + DefaultLogger::get()->warn("IRRMESH: Found mesh with zero indices"); + + // mesh - away + delete curMesh; curMesh = NULL; + + // material - away + delete curMat;curMat = NULL; + + textMeaning = 0; + continue; + } + + if (curMesh->mNumVertices % 3) { + DefaultLogger::get()->warn("IRRMESH: Number if indices isn't divisible by 3"); + } + + curMesh->mNumFaces = curMesh->mNumVertices / 3; + curMesh->mFaces = new aiFace[curMesh->mNumFaces]; + + // setup some members + curMesh->mMaterialIndex = (unsigned int)materials.size(); + curMesh->mPrimitiveTypes = aiPrimitiveType_TRIANGLE; + + // allocate storage for all vertices + curMesh->mVertices = new aiVector3D[curMesh->mNumVertices]; + + if (curNormals.size() == curVertices.size()) { + curMesh->mNormals = new aiVector3D[curMesh->mNumVertices]; + } + if (curTangents.size() == curVertices.size()) { + curMesh->mTangents = new aiVector3D[curMesh->mNumVertices]; + } + if (curBitangents.size() == curVertices.size()) { + curMesh->mBitangents = new aiVector3D[curMesh->mNumVertices]; + } + if (curColors.size() == curVertices.size() && useColors) { + curMesh->mColors[0] = new aiColor4D[curMesh->mNumVertices]; + } + if (curUVs.size() == curVertices.size()) { + curMesh->mTextureCoords[0] = new aiVector3D[curMesh->mNumVertices]; + } + if (curUV2s.size() == curVertices.size()) { + curMesh->mTextureCoords[1] = new aiVector3D[curMesh->mNumVertices]; + } + } + break; + + case EXN_TEXT: + { + const char* sz = reader->getNodeData(); + if (textMeaning == 1) { + textMeaning = 0; + + // read vertices + do { + SkipSpacesAndLineEnd(&sz); + aiVector3D temp;aiColor4D c; + + // Read the vertex position + sz = fast_atoreal_move<float>(sz,(float&)temp.x); + SkipSpaces(&sz); + + sz = fast_atoreal_move<float>(sz,(float&)temp.y); + SkipSpaces(&sz); + + sz = fast_atoreal_move<float>(sz,(float&)temp.z); + SkipSpaces(&sz); + curVertices.push_back(temp); + + // Read the vertex normals + sz = fast_atoreal_move<float>(sz,(float&)temp.x); + SkipSpaces(&sz); + + sz = fast_atoreal_move<float>(sz,(float&)temp.y); + SkipSpaces(&sz); + + sz = fast_atoreal_move<float>(sz,(float&)temp.z); + SkipSpaces(&sz); + curNormals.push_back(temp); + + // read the vertex colors + uint32_t clr = strtoul16(sz,&sz); + ColorFromARGBPacked(clr,c); + + if (!curColors.empty() && c != *(curColors.end()-1)) + useColors = true; + + curColors.push_back(c); + SkipSpaces(&sz); + + + // read the first UV coordinate set + sz = fast_atoreal_move<float>(sz,(float&)temp.x); + SkipSpaces(&sz); + + sz = fast_atoreal_move<float>(sz,(float&)temp.y); + SkipSpaces(&sz); + temp.z = 0.f; + temp.y = 1.f - temp.y; // DX to OGL + curUVs.push_back(temp); + + // read the (optional) second UV coordinate set + if (vertexFormat == 1) { + sz = fast_atoreal_move<float>(sz,(float&)temp.x); + SkipSpaces(&sz); + + sz = fast_atoreal_move<float>(sz,(float&)temp.y); + temp.y = 1.f - temp.y; // DX to OGL + curUV2s.push_back(temp); + } + // read optional tangent and bitangent vectors + else if (vertexFormat == 2) { + // tangents + sz = fast_atoreal_move<float>(sz,(float&)temp.x); + SkipSpaces(&sz); + + sz = fast_atoreal_move<float>(sz,(float&)temp.z); + SkipSpaces(&sz); + + sz = fast_atoreal_move<float>(sz,(float&)temp.y); + SkipSpaces(&sz); + temp.y *= -1.0f; + curTangents.push_back(temp); + + // bitangents + sz = fast_atoreal_move<float>(sz,(float&)temp.x); + SkipSpaces(&sz); + + sz = fast_atoreal_move<float>(sz,(float&)temp.z); + SkipSpaces(&sz); + + sz = fast_atoreal_move<float>(sz,(float&)temp.y); + SkipSpaces(&sz); + temp.y *= -1.0f; + curBitangents.push_back(temp); + } + } + + /* IMPORTANT: We assume that each vertex is specified in one + line. So we can skip the rest of the line - unknown vertex + elements are ignored. + */ + + while (SkipLine(&sz)); + } + else if (textMeaning == 2) { + textMeaning = 0; + + // read indices + aiFace* curFace = curMesh->mFaces; + aiFace* const faceEnd = curMesh->mFaces + curMesh->mNumFaces; + + aiVector3D* pcV = curMesh->mVertices; + aiVector3D* pcN = curMesh->mNormals; + aiVector3D* pcT = curMesh->mTangents; + aiVector3D* pcB = curMesh->mBitangents; + aiColor4D* pcC0 = curMesh->mColors[0]; + aiVector3D* pcT0 = curMesh->mTextureCoords[0]; + aiVector3D* pcT1 = curMesh->mTextureCoords[1]; + + unsigned int curIdx = 0; + unsigned int total = 0; + while(SkipSpacesAndLineEnd(&sz)) { + if (curFace >= faceEnd) { + DefaultLogger::get()->error("IRRMESH: Too many indices"); + break; + } + if (!curIdx) { + curFace->mNumIndices = 3; + curFace->mIndices = new unsigned int[3]; + } + + unsigned int idx = strtoul10(sz,&sz); + if (idx >= curVertices.size()) { + DefaultLogger::get()->error("IRRMESH: Index out of range"); + idx = 0; + } + + curFace->mIndices[curIdx] = total++; + + *pcV++ = curVertices[idx]; + if (pcN)*pcN++ = curNormals[idx]; + if (pcT)*pcT++ = curTangents[idx]; + if (pcB)*pcB++ = curBitangents[idx]; + if (pcC0)*pcC0++ = curColors[idx]; + if (pcT0)*pcT0++ = curUVs[idx]; + if (pcT1)*pcT1++ = curUV2s[idx]; + + if (++curIdx == 3) { + ++curFace; + curIdx = 0; + } + } + + if (curFace != faceEnd) + DefaultLogger::get()->error("IRRMESH: Not enough indices"); + + // Finish processing the mesh - do some small material workarounds + if (curMatFlags & AI_IRRMESH_MAT_trans_vertex_alpha && !useColors) { + // Take the opacity value of the current material + // from the common vertex color alpha + aiMaterial* mat = (aiMaterial*)curMat; + mat->AddProperty(&curColors[0].a,1,AI_MATKEY_OPACITY); + } + }} + break; + + default: + + // GCC complains here ... + break; + + }; + } + + // End of the last buffer. A material and a mesh should be there + if (curMat || curMesh) { + if ( !curMat || !curMesh) { + DefaultLogger::get()->error("IRRMESH: A buffer must contain a mesh and a material"); + delete curMat; + delete curMesh; + } + else { + materials.push_back(curMat); + meshes.push_back(curMesh); + } + } + + if (materials.empty()) + throw DeadlyImportError("IRRMESH: Unable to read a mesh from this file"); + + + // now generate the output scene + pScene->mNumMeshes = (unsigned int)meshes.size(); + pScene->mMeshes = new aiMesh*[pScene->mNumMeshes]; + for (unsigned int i = 0; i < pScene->mNumMeshes;++i) { + pScene->mMeshes[i] = meshes[i]; + + // clean this value ... + pScene->mMeshes[i]->mNumUVComponents[3] = 0; + } + + pScene->mNumMaterials = (unsigned int)materials.size(); + pScene->mMaterials = new aiMaterial*[pScene->mNumMaterials]; + ::memcpy(pScene->mMaterials,&materials[0],sizeof(void*)*pScene->mNumMaterials); + + pScene->mRootNode = new aiNode(); + pScene->mRootNode->mName.Set("<IRRMesh>"); + pScene->mRootNode->mNumMeshes = pScene->mNumMeshes; + pScene->mRootNode->mMeshes = new unsigned int[pScene->mNumMeshes]; + + for (unsigned int i = 0; i < pScene->mNumMeshes;++i) + pScene->mRootNode->mMeshes[i] = i; + + // clean up and return + delete reader; + AI_DEBUG_INVALIDATE_PTR(reader); } #endif // !! ASSIMP_BUILD_NO_IRRMESH_IMPORTER |