/* Open Asset Import Library (assimp) ---------------------------------------------------------------------- Copyright (c) 2006-2012, 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. @author: Richard Steffen, 2014 ---------------------------------------------------------------------- */ #ifndef ASSIMP_BUILD_NO_EXPORT #ifndef ASSIMP_BUILD_NO_XFILE_EXPORTER #include "XFileExporter.h" #include "ConvertToLHProcess.h" #include "Bitmap.h" #include "BaseImporter.h" #include "fast_atof.h" #include "SceneCombiner.h" #include #include #include #include "Exceptional.h" #include "../include/assimp/IOSystem.hpp" #include "../include/assimp/scene.h" #include "../include/assimp/light.h" using namespace Assimp; namespace Assimp { // ------------------------------------------------------------------------------------------------ // Worker function for exporting a scene to Collada. Prototyped and registered in Exporter.cpp void ExportSceneXFile(const char* pFile,IOSystem* pIOSystem, const aiScene* pScene, const ExportProperties* pProperties) { std::string path = ""; std::string file = pFile; // We need to test both types of folder separators because pIOSystem->getOsSeparator() is not reliable. // Moreover, the path given by some applications is not even consistent with the OS specific type of separator. const char* end_path = std::max(strrchr(pFile, '\\'), strrchr(pFile, '/')); if(end_path != NULL) { path = std::string(pFile, end_path + 1 - pFile); file = file.substr(end_path + 1 - pFile, file.npos); std::size_t pos = file.find_last_of('.'); if(pos != file.npos) { file = file.substr(0, pos); } } // create/copy Properties ExportProperties props(*pProperties); // set standard properties if not set if (!props.HasPropertyBool(AI_CONFIG_EXPORT_XFILE_64BIT)) props.SetPropertyBool(AI_CONFIG_EXPORT_XFILE_64BIT, false); // invoke the exporter XFileExporter iDoTheExportThing( pScene, pIOSystem, path, file, &props); // we're still here - export successfully completed. Write result to the given IOSYstem boost::scoped_ptr outfile (pIOSystem->Open(pFile,"wt")); if(outfile == NULL) { throw DeadlyExportError("could not open output .x file: " + std::string(pFile)); } // XXX maybe use a small wrapper around IOStream that behaves like std::stringstream in order to avoid the extra copy. outfile->Write( iDoTheExportThing.mOutput.str().c_str(), static_cast(iDoTheExportThing.mOutput.tellp()),1); } } // end of namespace Assimp // ------------------------------------------------------------------------------------------------ // Constructor for a specific scene to export XFileExporter::XFileExporter(const aiScene* pScene, IOSystem* pIOSystem, const std::string& path, const std::string& file, const ExportProperties* pProperties) : mIOSystem(pIOSystem), mPath(path), mFile(file), mProperties(pProperties) { // make sure that all formatting happens using the standard, C locale and not the user's current locale mOutput.imbue( std::locale("C") ); mScene = pScene; mSceneOwned = false; // set up strings endstr = "\n"; // start writing WriteFile(); } // ------------------------------------------------------------------------------------------------ // Destructor XFileExporter::~XFileExporter() { if(mSceneOwned) { delete mScene; } } // ------------------------------------------------------------------------------------------------ // Starts writing the contents void XFileExporter::WriteFile() { // note, that all realnumber values must be comma separated in x files mOutput.setf(std::ios::fixed); mOutput.precision(16); // precission for double // entry of writing the file WriteHeader(); mOutput << startstr << "Frame DXCC_ROOT {" << endstr; PushTag(); aiMatrix4x4 I; // identity WriteFrameTransform(I); WriteNode(mScene->mRootNode); PopTag(); mOutput << startstr << "}" << endstr; } // ------------------------------------------------------------------------------------------------ // Writes the asset header void XFileExporter::WriteHeader() { if (mProperties->GetPropertyBool(AI_CONFIG_EXPORT_XFILE_64BIT) == true) mOutput << startstr << "xof 0303txt 0064" << endstr; else mOutput << startstr << "xof 0303txt 0032" << endstr; mOutput << endstr; mOutput << startstr << "template Frame {" << endstr; PushTag(); mOutput << startstr << "<3d82ab46-62da-11cf-ab39-0020af71e433>" << endstr; mOutput << startstr << "[...]" << endstr; PopTag(); mOutput << startstr << "}" << endstr; mOutput << endstr; mOutput << startstr << "template Matrix4x4 {" << endstr; PushTag(); mOutput << startstr << "" << endstr; mOutput << startstr << "array FLOAT matrix[16];" << endstr; PopTag(); mOutput << startstr << "}" << endstr; mOutput << endstr; mOutput << startstr << "template FrameTransformMatrix {" << endstr; PushTag(); mOutput << startstr << "" << endstr; mOutput << startstr << "Matrix4x4 frameMatrix;" << endstr; PopTag(); mOutput << startstr << "}" << endstr; mOutput << endstr; mOutput << startstr << "template Vector {" << endstr; PushTag(); mOutput << startstr << "<3d82ab5e-62da-11cf-ab39-0020af71e433>" << endstr; mOutput << startstr << "FLOAT x;" << endstr; mOutput << startstr << "FLOAT y;" << endstr; mOutput << startstr << "FLOAT z;" << endstr; PopTag(); mOutput << startstr << "}" << endstr; mOutput << endstr; mOutput << startstr << "template MeshFace {" << endstr; PushTag(); mOutput << startstr << "<3d82ab5f-62da-11cf-ab39-0020af71e433>" << endstr; mOutput << startstr << "DWORD nFaceVertexIndices;" << endstr; mOutput << startstr << "array DWORD faceVertexIndices[nFaceVertexIndices];" << endstr; PopTag(); mOutput << startstr << "}" << endstr; mOutput << endstr; mOutput << startstr << "template Mesh {" << endstr; PushTag(); mOutput << startstr << "<3d82ab44-62da-11cf-ab39-0020af71e433>" << endstr; mOutput << startstr << "DWORD nVertices;" << endstr; mOutput << startstr << "array Vector vertices[nVertices];" << endstr; mOutput << startstr << "DWORD nFaces;" << endstr; mOutput << startstr << "array MeshFace faces[nFaces];" << endstr; mOutput << startstr << "[...]" << endstr; PopTag(); mOutput << startstr << "}" << endstr; mOutput << endstr; mOutput << startstr << "template MeshNormals {" << endstr; PushTag(); mOutput << startstr << "" << endstr; mOutput << startstr << "DWORD nNormals;" << endstr; mOutput << startstr << "array Vector normals[nNormals];" << endstr; mOutput << startstr << "DWORD nFaceNormals;" << endstr; mOutput << startstr << "array MeshFace faceNormals[nFaceNormals];" << endstr; PopTag(); mOutput << startstr << "}" << endstr; mOutput << endstr; mOutput << startstr << "template Coords2d {" << endstr; PushTag(); mOutput << startstr << "" << endstr; mOutput << startstr << "FLOAT u;" << endstr; mOutput << startstr << "FLOAT v;" << endstr; PopTag(); mOutput << startstr << "}" << endstr; mOutput << endstr; mOutput << startstr << "template MeshTextureCoords {" << endstr; PushTag(); mOutput << startstr << "" << endstr; mOutput << startstr << "DWORD nTextureCoords;" << endstr; mOutput << startstr << "array Coords2d textureCoords[nTextureCoords];" << endstr; PopTag(); mOutput << startstr << "}" << endstr; mOutput << endstr; mOutput << startstr << "template ColorRGBA {" << endstr; PushTag(); mOutput << startstr << "<35ff44e0-6c7c-11cf-8f52-0040333594a3>" << endstr; mOutput << startstr << "FLOAT red;" << endstr; mOutput << startstr << "FLOAT green;" << endstr; mOutput << startstr << "FLOAT blue;" << endstr; mOutput << startstr << "FLOAT alpha;" << endstr; PopTag(); mOutput << startstr << "}" << endstr; mOutput << endstr; mOutput << startstr << "template IndexedColor {" << endstr; PushTag(); mOutput << startstr << "<1630b820-7842-11cf-8f52-0040333594a3>" << endstr; mOutput << startstr << "DWORD index;" << endstr; mOutput << startstr << "ColorRGBA indexColor;" << endstr; PopTag(); mOutput << startstr << "}" << endstr; mOutput << endstr; mOutput << startstr << "template MeshVertexColors {" << endstr; PushTag(); mOutput << startstr << "<1630b821-7842-11cf-8f52-0040333594a3>" << endstr; mOutput << startstr << "DWORD nVertexColors;" << endstr; mOutput << startstr << "array IndexedColor vertexColors[nVertexColors];" << endstr; PopTag(); mOutput << startstr << "}" << endstr; mOutput << endstr; mOutput << startstr << "template VertexElement {" << endstr; PushTag(); mOutput << startstr << "" << endstr; mOutput << startstr << "DWORD Type;" << endstr; mOutput << startstr << "DWORD Method;" << endstr; mOutput << startstr << "DWORD Usage;" << endstr; mOutput << startstr << "DWORD UsageIndex;" << endstr; PopTag(); mOutput << startstr << "}" << endstr; mOutput << endstr; mOutput << startstr << "template DeclData {" << endstr; PushTag(); mOutput << startstr << "" << endstr; mOutput << startstr << "DWORD nElements;" << endstr; mOutput << startstr << "array VertexElement Elements[nElements];" << endstr; mOutput << startstr << "DWORD nDWords;" << endstr; mOutput << startstr << "array DWORD data[nDWords];" << endstr; PopTag(); mOutput << startstr << "}" << endstr; mOutput << endstr; } // Writes the material setup void XFileExporter::WriteFrameTransform(aiMatrix4x4& m) { mOutput << startstr << "FrameTransformMatrix {" << endstr << " "; PushTag(); mOutput << startstr << m.a1 << ", " << m.b1 << ", " << m.c1 << ", " << m.d1 << "," << endstr; mOutput << startstr << m.a2 << ", " << m.b2 << ", " << m.c2 << ", " << m.d2 << "," << endstr; mOutput << startstr << m.a3 << ", " << m.b3 << ", " << m.c3 << ", " << m.d3 << "," << endstr; mOutput << startstr << m.a4 << ", " << m.b4 << ", " << m.c4 << ", " << m.d4 << ";;" << endstr; PopTag(); mOutput << startstr << "}" << endstr << endstr; } // ------------------------------------------------------------------------------------------------ // Recursively writes the given node void XFileExporter::WriteNode( aiNode* pNode) { if (pNode->mName.length==0) { std::stringstream ss; ss << "Node_" << pNode; pNode->mName.Set(ss.str()); } mOutput << startstr << "Frame " << toXFileString(pNode->mName) << " {" << endstr; PushTag(); aiMatrix4x4 m = pNode->mTransformation; WriteFrameTransform(m); for (size_t i = 0; i < pNode->mNumMeshes; i++) WriteMesh(mScene->mMeshes[pNode->mMeshes[i]]); // recursive call the Nodes for (size_t i = 0; i < pNode->mNumChildren; ++i) WriteNode( mScene->mRootNode->mChildren[i]); PopTag(); mOutput << startstr << "}" << endstr << endstr; } void XFileExporter::WriteMesh(aiMesh* mesh) { mOutput << startstr << "Mesh " << toXFileString(mesh->mName) << "_mShape" << " {" << endstr; PushTag(); // write all the vertices mOutput << startstr << mesh->mNumVertices << ";" << endstr; for (size_t a = 0; a < mesh->mNumVertices; a++) { aiVector3D &v = mesh->mVertices[a]; mOutput << startstr << v[0] << ";"<< v[1] << ";" << v[2] << ";"; if (a < mesh->mNumVertices - 1) mOutput << "," << endstr; else mOutput << ";" << endstr; } // write all the faces mOutput << startstr << mesh->mNumFaces << ";" << endstr; for( size_t a = 0; a < mesh->mNumFaces; ++a ) { const aiFace& face = mesh->mFaces[a]; mOutput << startstr << face.mNumIndices << ";"; // must be counter clockwise triangle //for(int b = face.mNumIndices - 1; b >= 0 ; --b) for(size_t b = 0; b < face.mNumIndices ; ++b) { mOutput << face.mIndices[b]; //if (b > 0) if (bmNumFaces - 1) mOutput << "," << endstr; else mOutput << ";" << endstr; } mOutput << endstr; if (mesh->HasTextureCoords(0)) { const aiMaterial* mat = mScene->mMaterials[mesh->mMaterialIndex]; aiString relpath; mat->Get(_AI_MATKEY_TEXTURE_BASE, aiTextureType_DIFFUSE, 0, relpath); mOutput << startstr << "MeshMaterialList {" << endstr; PushTag(); mOutput << startstr << "1;" << endstr; // number of materials mOutput << startstr << mesh->mNumFaces << ";" << endstr; // number of faces mOutput << startstr; for( size_t a = 0; a < mesh->mNumFaces; ++a ) { mOutput << "0"; // the material index if (a < mesh->mNumFaces - 1) mOutput << ", "; else mOutput << ";" << endstr; } mOutput << startstr << "Material {" << endstr; PushTag(); mOutput << startstr << "1.0; 1.0; 1.0; 1.000000;;" << endstr; mOutput << startstr << "1.000000;" << endstr; // power mOutput << startstr << "0.000000; 0.000000; 0.000000;;" << endstr; // specularity mOutput << startstr << "0.000000; 0.000000; 0.000000;;" << endstr; // emission mOutput << startstr << "TextureFilename { \""; writePath(relpath); mOutput << "\"; }" << endstr; PopTag(); mOutput << startstr << "}" << endstr; PopTag(); mOutput << startstr << "}" << endstr; } // write normals (every vertex has one) if (mesh->HasNormals()) { mOutput << endstr << startstr << "MeshNormals {" << endstr; mOutput << startstr << mesh->mNumVertices << ";" << endstr; for (size_t a = 0; a < mesh->mNumVertices; a++) { aiVector3D &v = mesh->mNormals[a]; // because we have a LHS and also changed wth winding, we need to invert the normals again mOutput << startstr << -v[0] << ";"<< -v[1] << ";" << -v[2] << ";"; if (a < mesh->mNumVertices - 1) mOutput << "," << endstr; else mOutput << ";" << endstr; } mOutput << startstr << mesh->mNumFaces << ";" << endstr; for (size_t a = 0; a < mesh->mNumFaces; a++) { const aiFace& face = mesh->mFaces[a]; mOutput << startstr << face.mNumIndices << ";"; //for(int b = face.mNumIndices-1; b >= 0 ; --b) for(size_t b = 0; b < face.mNumIndices ; ++b) { mOutput << face.mIndices[b]; //if (b > 0) if (bmNumFaces-1) mOutput << "," << endstr; else mOutput << ";" << endstr; } mOutput << startstr << "}" << endstr; } // write texture UVs if available if (mesh->HasTextureCoords(0)) { mOutput << endstr << startstr << "MeshTextureCoords {" << endstr; mOutput << startstr << mesh->mNumVertices << ";" << endstr; for (size_t a = 0; a < mesh->mNumVertices; a++) //for (int a = (int)mesh->mNumVertices-1; a >=0 ; a--) { aiVector3D& uv = mesh->mTextureCoords[0][a]; // uv of first uv layer for the vertex mOutput << startstr << uv.x << ";" << uv.y; if (a < mesh->mNumVertices-1) //if (a >0 ) mOutput << ";," << endstr; else mOutput << ";;" << endstr; } mOutput << startstr << "}" << endstr; } // write color channel if available if (mesh->HasVertexColors(0)) { mOutput << endstr << startstr << "MeshVertexColors {" << endstr; mOutput << startstr << mesh->mNumVertices << ";" << endstr; for (size_t a = 0; a < mesh->mNumVertices; a++) { aiColor4D& mColors = mesh->mColors[0][a]; // color of first vertex color set for the vertex mOutput << startstr << a << ";" << mColors.r << ";" << mColors.g << ";" << mColors.b << ";" << mColors.a << ";;"; if (a < mesh->mNumVertices-1) mOutput << "," << endstr; else mOutput << ";" << endstr; } mOutput << startstr << "}" << endstr; } /* else { mOutput << endstr << startstr << "MeshVertexColors {" << endstr; mOutput << startstr << mesh->mNumVertices << ";" << endstr; for (size_t a = 0; a < mesh->mNumVertices; a++) { aiColor4D* mColors = mesh->mColors[a]; mOutput << startstr << a << ";0.500000;0.000000;0.000000;0.500000;;"; if (a < mesh->mNumVertices-1) mOutput << "," << endstr; else mOutput << ";" << endstr; } mOutput << startstr << "}" << endstr; } */ PopTag(); mOutput << startstr << "}" << endstr << endstr; } std::string XFileExporter::toXFileString(aiString &name) { std::string pref = "NN_"; // node name prefix to prevent unexpected start of string std::string str = pref + std::string(name.C_Str()); for (int i=0; i < (int) str.length(); ++i) { if ((str[i] >= 48 && str[i] <= 57) || // 0-9 (str[i] >= 65 && str[i] <= 90) || // A-Z (str[i] >= 97 && str[i] <= 122)) // a-z continue; str[i] = '_'; } return str; } void XFileExporter::writePath(aiString path) { std::string str = std::string(path.C_Str()); BaseImporter::ConvertUTF8toISO8859_1(str); while( str.find( "\\\\") != std::string::npos) str.replace( str.find( "\\\\"), 2, "\\"); while( str.find( "\\") != std::string::npos) str.replace( str.find( "\\"), 1, "/"); mOutput << str; } #endif #endif