/********************************************************************************

* *

* This file is part of IfcOpenShell. *

* *

* IfcOpenShell is free software: you can redistribute it and/or modify *

* it under the terms of the Lesser GNU General Public License as published by *

* the Free Software Foundation, either version 3.0 of the License, or *

* (at your option) any later version. *

* *

* IfcOpenShell is distributed in the hope that it will be useful, *

* but WITHOUT ANY WARRANTY; without even the implied warranty of *

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *

* Lesser GNU General Public License for more details. *

* *

* You should have received a copy of the Lesser GNU General Public License *

* along with this program. If not, see <http://www.gnu.org/licenses/>. *

* *

********************************************************************************/

#ifndef USDSERIALIZER_H

#define USDSERIALIZER_H

#ifdef WITH_USD

#include "../serializers/serializers_api.h"

#include "../ifcgeom_schema_agnostic/GeometrySerializer.h"

#include "../ifcparse/utils.h"

// undefine opencascade Handle macro, because it conflicts with USD

#undef Handle

#include "pxr/pxr.h"

#include "pxr/usd/usd/stage.h"

#include "pxr/base/vt/array.h"

#include "pxr/usd/usdGeom/mesh.h"

#include "pxr/usd/usdShade/material.h"

#include <vector>

#include <string>

#include <algorithm>

#include <map>

namespace usd_utils {

// creates a valid USD path from a string

inline std::string toPath(std::string& s) {

std::replace_if(s.begin(), s.end(),

[](char c) { return c < 48 || (c < 65 && c > 57) || (c < 97 && c > 90) || c > 122; },

'_');

return s;

}

template<typename T>

pxr::VtArray<T> toVtArray(const std::vector<T>& vec) {

auto array = pxr::VtArray<T>(vec.size());

for (std::size_t i = 0; i < vec.size(); ++i)

array[i] = vec[i];

return array;

}

}

class SERIALIZERS_API USDSerializer : public WriteOnlyGeometrySerializer {

private:

bool ready_ = false;

const std::string filename_;

std::string parent_path_;

pxr::UsdStageRefPtr stage_;

std::map<std::string, pxr::UsdShadeMaterial> materials_;

std::map<std::string, std::string> meshes_;

std::vector<pxr::UsdShadeMaterial> createMaterials(const std::vector<IfcGeom::Material>&);

pxr::GfVec3f rotation_degrees_from_matrix(const std::vector<double>&) const;

public:

USDSerializer(const std::string&, const SerializerSettings&);

virtual ~USDSerializer();

bool ready() { return ready_; }

void writeHeader();

void write(const IfcGeom::TriangulationElement*);

void write(const IfcGeom::BRepElement*) {}

void finalize();

bool isTesselated() const { return true; }

void setUnitNameAndMagnitude(const std::string&, float) {}

void setFile(IfcParse::IfcFile*) {}

};

#endif

#endif