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Make UVs a property of IfcGeom::Representation::Triangulation. Implement writing of UVs for OBJ output.

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This commit is contained in:
Stinkfist0
2016-03-17 00:25:33 +02:00
parent 923f1212f5
commit 76d3823bd4
5 changed files with 85 additions and 64 deletions
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src/ifcconvert/WavefrontObjSerializer.cpp
+11 -1
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@@ -22,6 +22,7 @@
#include "../ifcgeom/IfcGeomRenderStyles.h"
#include <boost/lexical_cast.hpp>
#include <iomanip>
bool WaveFrontOBJSerializer::ready() {
@@ -96,9 +97,16 @@ void WaveFrontOBJSerializer::write(const IfcGeom::TriangulationElement<real_t>*
obj_stream << "vn " << x << " " << y << " " << z << "\n";
}
for (std::vector<real_t>::const_iterator it = mesh.uvs().begin(); it != mesh.uvs().end();) {
const real_t u = *it++;
const real_t v = *it++;
obj_stream << "vt " << u << " " << v << "\n";
}
int previous_material_id = -2;
std::vector<int>::const_iterator material_it = mesh.material_ids().begin();
const bool has_uvs = !mesh.uvs().empty();
for ( std::vector<int>::const_iterator it = mesh.faces().begin(); it != mesh.faces().end(); ) {
const int material_id = *(material_it++);
@@ -118,7 +126,9 @@ void WaveFrontOBJSerializer::write(const IfcGeom::TriangulationElement<real_t>*
const int v1 = *(it++)+vcount_total;
const int v2 = *(it++)+vcount_total;
const int v3 = *(it++)+vcount_total;
obj_stream << "f " << v1 << "//" << v1 << " " << v2 << "//" << v2 << " " << v3 << "//" << v3 << "\n";
obj_stream << "f " << v1 << "/" << (has_uvs ? boost::lexical_cast<std::string>(v1) : "") << "/" << v1 << " "
<< v2 << "/" << (has_uvs ? boost::lexical_cast<std::string>(v2) : "") << "/" << v2 << " "
<< v3 << "/" << (has_uvs ? boost::lexical_cast<std::string>(v3) : "") << "/" << v3 << "\n";
}