create/src/Mod/CAM/PathSimulator/App/PathSimPyImp.cpp

/**************************************************************************
 *   Copyright (c) 2017 Shai Seger <shaise at gmail>                       *
 *                                                                         *
 *   This file is part of the FreeCAD CAx development system.              *
 *                                                                         *
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU Library General Public           *
 *   License as published by the Free Software Foundation; either          *
 *   version 2 of the License, or (at your option) any later version.      *
 *                                                                         *
 *   This library  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         *
 *   GNU Library General Public License for more details.                  *
 *                                                                         *
 *   You should have received a copy of the GNU Library General Public     *
 *   License along with this library; see the file COPYING.LIB. If not,    *
 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
 *   Suite 330, Boston, MA  02111-1307, USA                                *
 *                                                                         *
 ***************************************************************************/

#include "PreCompiled.h"

#include <Base/PlacementPy.h>
#include <Base/PyWrapParseTupleAndKeywords.h>

#include <Mod/Mesh/App/MeshPy.h>
#include <Mod/CAM/App/CommandPy.h>
#include <Mod/Part/App/TopoShapePy.h>

#include "PathSim.h"
// inclusion of the generated files (generated out of PathSimPy.xml)
#include "PathSimPy.h"
#include "PathSimPy.cpp"


using namespace PathSimulator;

// returns a string which represents the object e.g. when printed in python
std::string PathSimPy::representation() const
{
    return std::string("<PathSim object>");
}

PyObject* PathSimPy::PyMake(struct _typeobject*, PyObject*, PyObject*)  // Python wrapper
{
    // create a new instance of PathSimPy and the Twin object
    return new PathSimPy(new PathSim);
}

// constructor method
int PathSimPy::PyInit(PyObject* /*args*/, PyObject* /*kwd*/)
{
    return 0;
}


PyObject* PathSimPy::BeginSimulation(PyObject* args, PyObject* kwds)
{
    static const std::array<const char*, 3> kwlist {"stock", "resolution", nullptr};
    PyObject* pObjStock;
    float resolution;
    if (!Base::Wrapped_ParseTupleAndKeywords(args,
                                             kwds,
                                             "O!f",
                                             kwlist,
                                             &(Part::TopoShapePy::Type),
                                             &pObjStock,
                                             &resolution)) {
        return nullptr;
    }
    PathSim* sim = getPathSimPtr();
    Part::TopoShape* stock = static_cast<Part::TopoShapePy*>(pObjStock)->getTopoShapePtr();
    sim->BeginSimulation(stock, resolution);
    Py_IncRef(Py_None);
    return Py_None;
}

PyObject* PathSimPy::SetToolShape(PyObject* args)
{
    PyObject* pObjToolShape;
    float resolution;
    if (!PyArg_ParseTuple(args, "O!f", &(Part::TopoShapePy::Type), &pObjToolShape, &resolution)) {
        return nullptr;
    }
    PathSim* sim = getPathSimPtr();
    const TopoDS_Shape& toolShape =
        static_cast<Part::TopoShapePy*>(pObjToolShape)->getTopoShapePtr()->getShape();
    sim->SetToolShape(toolShape, resolution);
    Py_IncRef(Py_None);
    return Py_None;
}

PyObject* PathSimPy::GetResultMesh(PyObject* args)
{
    if (!PyArg_ParseTuple(args, "")) {
        return nullptr;
    }
    cStock* stock = getPathSimPtr()->m_stock.get();
    if (!stock) {
        PyErr_SetString(PyExc_RuntimeError, "Simulation has stock object");
        return nullptr;
    }

    Mesh::MeshObject* meshOuter = new Mesh::MeshObject();
    Mesh::MeshPy* meshOuterpy = new Mesh::MeshPy(meshOuter);
    Mesh::MeshObject* meshInner = new Mesh::MeshObject();
    Mesh::MeshPy* meshInnerpy = new Mesh::MeshPy(meshInner);
    stock->Tessellate(*meshOuter, *meshInner);
    PyObject* tuple = PyTuple_New(2);
    PyTuple_SetItem(tuple, 0, meshOuterpy);
    PyTuple_SetItem(tuple, 1, meshInnerpy);
    return tuple;
}


PyObject* PathSimPy::ApplyCommand(PyObject* args, PyObject* kwds)
{
    static const std::array<const char*, 3> kwlist {"position", "command", nullptr};
    PyObject* pObjPlace;
    PyObject* pObjCmd;
    if (!Base::Wrapped_ParseTupleAndKeywords(args,
                                             kwds,
                                             "O!O!",
                                             kwlist,
                                             &(Base::PlacementPy::Type),
                                             &pObjPlace,
                                             &(Path::CommandPy::Type),
                                             &pObjCmd)) {
        return nullptr;
    }
    PathSim* sim = getPathSimPtr();
    Base::Placement* pos = static_cast<Base::PlacementPy*>(pObjPlace)->getPlacementPtr();
    Path::Command* cmd = static_cast<Path::CommandPy*>(pObjCmd)->getCommandPtr();
    Base::Placement* newpos = sim->ApplyCommand(pos, cmd);
    // Base::Console().Log("Done...\n");
    // Base::Console().Refresh();
    Base::PlacementPy* newposPy = new Base::PlacementPy(newpos);
    return newposPy;
}

Py::Object PathSimPy::getTool() const
{
    // return Py::Object();
    throw Py::AttributeError("Not yet implemented");
}

PyObject* PathSimPy::getCustomAttributes(const char* /*attr*/) const
{
    return nullptr;
}

int PathSimPy::setCustomAttributes(const char* /*attr*/, PyObject* /*obj*/)
{
    return 0;
}