void CSTLMeshWriter::writeFace(io::IWriteFile* file, const core::vector3df& v1, const core::vector3df& v2, const core::vector3df& v3) { core::stringc tmp; file->write("facet normal ",13); getVectorAsStringLine(core::plane3df(v1,v2,v3).Normal, tmp); file->write(tmp.c_str(),tmp.size()); file->write(" outer loop\n",13); file->write(" vertex ",11); getVectorAsStringLine(v1, tmp); file->write(tmp.c_str(),tmp.size()); file->write(" vertex ",11); getVectorAsStringLine(v2, tmp); file->write(tmp.c_str(),tmp.size()); file->write(" vertex ",11); getVectorAsStringLine(v3, tmp); file->write(tmp.c_str(),tmp.size()); file->write(" endloop\n",10); file->write("endfacet\n",9); }
void CIrrMeshWriter::writeMeshBuffer(const scene::IMeshBuffer* buffer) { Writer->writeElement(L"buffer", false); Writer->writeLineBreak(); // write bounding box writeBoundingBox(buffer->getBoundingBox()); Writer->writeLineBreak(); // write material writeMaterial(buffer->getMaterial()); // write vertices const core::stringw vertexTypeStr = video::sBuiltInVertexTypeNames[buffer->getVertexType()]; Writer->writeElement(L"vertices", false, L"type", vertexTypeStr.c_str(), L"vertexCount", core::stringw(buffer->getVertexCount()).c_str()); Writer->writeLineBreak(); u32 vertexCount = buffer->getVertexCount(); switch(buffer->getVertexType()) { case video::EVT_STANDARD: { video::S3DVertex* vtx = (video::S3DVertex*)buffer->getVertices(); for (u32 j=0; j<vertexCount; ++j) { core::stringw str = getVectorAsStringLine(vtx[j].Pos); str += L" "; str += getVectorAsStringLine(vtx[j].Normal); char tmp[12]; sprintf(tmp, " %02x%02x%02x%02x ", vtx[j].Color.getAlpha(), vtx[j].Color.getRed(), vtx[j].Color.getGreen(), vtx[j].Color.getBlue()); str += tmp; str += getVectorAsStringLine(vtx[j].TCoords); Writer->writeText(str.c_str()); Writer->writeLineBreak(); } } break; case video::EVT_2TCOORDS: { video::S3DVertex2TCoords* vtx = (video::S3DVertex2TCoords*)buffer->getVertices(); for (u32 j=0; j<vertexCount; ++j) { core::stringw str = getVectorAsStringLine(vtx[j].Pos); str += L" "; str += getVectorAsStringLine(vtx[j].Normal); char tmp[12]; sprintf(tmp, " %02x%02x%02x%02x ", vtx[j].Color.getAlpha(), vtx[j].Color.getRed(), vtx[j].Color.getGreen(), vtx[j].Color.getBlue()); str += tmp; str += getVectorAsStringLine(vtx[j].TCoords); str += L" "; str += getVectorAsStringLine(vtx[j].TCoords2); Writer->writeText(str.c_str()); Writer->writeLineBreak(); } } break; case video::EVT_TANGENTS: { video::S3DVertexTangents* vtx = (video::S3DVertexTangents*)buffer->getVertices(); for (u32 j=0; j<vertexCount; ++j) { core::stringw str = getVectorAsStringLine(vtx[j].Pos); str += L" "; str += getVectorAsStringLine(vtx[j].Normal); char tmp[12]; sprintf(tmp, " %02x%02x%02x%02x ", vtx[j].Color.getAlpha(), vtx[j].Color.getRed(), vtx[j].Color.getGreen(), vtx[j].Color.getBlue()); str += tmp; str += getVectorAsStringLine(vtx[j].TCoords); str += L" "; str += getVectorAsStringLine(vtx[j].Tangent); str += L" "; str += getVectorAsStringLine(vtx[j].Binormal); Writer->writeText(str.c_str()); Writer->writeLineBreak(); } } break; } Writer->writeClosingTag(L"vertices"); Writer->writeLineBreak(); // write indices Writer->writeElement(L"indices", false, L"indexCount", core::stringw(buffer->getIndexCount()).c_str()); Writer->writeLineBreak(); int indexCount = (int)buffer->getIndexCount(); video::E_INDEX_TYPE iType = buffer->getIndexType(); const u16* idx16 = buffer->getIndices(); const u32* idx32 = (u32*) buffer->getIndices(); const int maxIndicesPerLine = 25; for (int i=0; i<indexCount; ++i) { if(iType == video::EIT_16BIT) { core::stringw str((int)idx16[i]); Writer->writeText(str.c_str()); } else { core::stringw str((int)idx32[i]); Writer->writeText(str.c_str()); } if (i % maxIndicesPerLine != maxIndicesPerLine) { if (i % maxIndicesPerLine == maxIndicesPerLine-1) Writer->writeLineBreak(); else Writer->writeText(L" "); } } if ((indexCount-1) % maxIndicesPerLine != maxIndicesPerLine-1) Writer->writeLineBreak(); Writer->writeClosingTag(L"indices"); Writer->writeLineBreak(); // close buffer tag Writer->writeClosingTag(L"buffer"); }
//! writes a mesh bool COBJMeshWriter::writeMesh(io::IWriteFile* file, scene::IMesh* mesh, s32 flags) { if (!file) return false; os::Printer::log("Writing mesh", file->getFileName()); // write OBJ MESH header const core::stringc name(FileSystem->getFileBasename(SceneManager->getMeshCache()->getMeshName(mesh), false)+".mtl"); file->write("# exported by Irrlicht\n",23); file->write("mtllib ",7); file->write(name.c_str(),name.size()); file->write("\n\n",2); // write mesh buffers core::array<video::SMaterial*> mat; u32 allVertexCount=1; // count vertices over the whole file for (u32 i=0; i<mesh->getMeshBufferCount(); ++i) { core::stringc num(i+1); IMeshBuffer* buffer = mesh->getMeshBuffer(i); if (buffer && buffer->getVertexCount()) { file->write("g grp", 5); file->write(num.c_str(), num.size()); file->write("\n",1); u32 j; const u32 vertexCount = buffer->getVertexCount(); for (j=0; j<vertexCount; ++j) { file->write("v ",2); getVectorAsStringLine(buffer->getPosition(j), num); file->write(num.c_str(), num.size()); } for (j=0; j<vertexCount; ++j) { file->write("vt ",3); getVectorAsStringLine(buffer->getTCoords(j), num); file->write(num.c_str(), num.size()); } for (j=0; j<vertexCount; ++j) { file->write("vn ",3); getVectorAsStringLine(buffer->getNormal(j), num); file->write(num.c_str(), num.size()); } file->write("usemtl mat",10); num = ""; for (j=0; j<mat.size(); ++j) { if (*mat[j]==buffer->getMaterial()) { num = core::stringc(j); break; } } if (num == "") { num = core::stringc(mat.size()); mat.push_back(&buffer->getMaterial()); } file->write(num.c_str(), num.size()); file->write("\n",1); const u32 indexCount = buffer->getIndexCount(); for (j=0; j<indexCount; j+=3) { file->write("f ",2); num = core::stringc(buffer->getIndices()[j+2]+allVertexCount); file->write(num.c_str(), num.size()); file->write("/",1); file->write(num.c_str(), num.size()); file->write("/",1); file->write(num.c_str(), num.size()); file->write(" ",1); num = core::stringc(buffer->getIndices()[j+1]+allVertexCount); file->write(num.c_str(), num.size()); file->write("/",1); file->write(num.c_str(), num.size()); file->write("/",1); file->write(num.c_str(), num.size()); file->write(" ",1); num = core::stringc(buffer->getIndices()[j+0]+allVertexCount); file->write(num.c_str(), num.size()); file->write("/",1); file->write(num.c_str(), num.size()); file->write("/",1); file->write(num.c_str(), num.size()); file->write(" ",1); file->write("\n",1); } file->write("\n",1); allVertexCount += vertexCount; } } if (mat.size() == 0) return true; file = FileSystem->createAndWriteFile( name ); if (file) { os::Printer::log("Writing material", file->getFileName()); file->write("# exported by Irrlicht\n\n",24); for (u32 i=0; i<mat.size(); ++i) { core::stringc num(i); file->write("newmtl mat",10); file->write(num.c_str(),num.size()); file->write("\n",1); getColorAsStringLine(mat[i]->AmbientColor, "Ka", num); file->write(num.c_str(),num.size()); getColorAsStringLine(mat[i]->DiffuseColor, "Kd", num); file->write(num.c_str(),num.size()); getColorAsStringLine(mat[i]->SpecularColor, "Ks", num); file->write(num.c_str(),num.size()); getColorAsStringLine(mat[i]->EmissiveColor, "Ke", num); file->write(num.c_str(),num.size()); num = core::stringc(mat[i]->Shininess/0.128f); file->write("Ns ", 3); file->write(num.c_str(),num.size()); file->write("\n", 1); if (mat[i]->getTexture(0)) { file->write("map_Kd ", 7); file->write(mat[i]->getTexture(0)->getName().getPath().c_str(), mat[i]->getTexture(0)->getName().getPath().size()); file->write("\n",1); } file->write("\n",1); } file->drop(); } return true; }
void CIrrMeshWriter::writeBoundingBox(const core::aabbox3df& box) { Writer->writeElement(L"boundingBox", true, L"minEdge", getVectorAsStringLine(box.MinEdge).c_str(), L"maxEdge", getVectorAsStringLine(box.MaxEdge).c_str()); }