FreeCAD

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/***************************************************************************
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 *   Copyright (c) 2004 Werner Mayer <wmayer[at]users.sourceforge.net>     *
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 *                                                                         *
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 *   This file is part of the FreeCAD CAx development system.              *
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 *                                                                         *
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 *   This library is free software; you can redistribute it and/or         *
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 *   modify it under the terms of the GNU Library General Public           *
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 *   License as published by the Free Software Foundation; either          *
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 *   version 2 of the License, or (at your option) any later version.      *
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 *                                                                         *
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 *   This library  is distributed in the hope that it will be useful,      *
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
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 *   GNU Library General Public License for more details.                  *
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 *                                                                         *
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 *   You should have received a copy of the GNU Library General Public     *
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 *   License along with this library; see the file COPYING.LIB. If not,    *
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 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
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 *   Suite 330, Boston, MA  02111-1307, USA                                *
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 *                                                                         *
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 ***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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#include <Inventor/draggers/SoTrackballDragger.h>
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#include <Inventor/manips/SoTransformerManip.h>
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#include <Inventor/nodes/SoAntiSquish.h>
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#include <Inventor/nodes/SoDrawStyle.h>
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#include <Inventor/nodes/SoIndexedFaceSet.h>
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#include <Inventor/nodes/SoMaterial.h>
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#include <Inventor/nodes/SoMaterialBinding.h>
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#include <Inventor/nodes/SoSeparator.h>
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#include <Inventor/nodes/SoSurroundScale.h>
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#endif
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#include <Base/Console.h>
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#include <Gui/SoFCSelection.h>
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#include <Mod/Mesh/App/Core/Iterator.h>
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#include <Mod/Mesh/App/MeshFeature.h>
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#include "ViewProviderTransformDemolding.h"
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using Mesh::Feature;
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using MeshCore::MeshFacetIterator;
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using MeshCore::MeshGeomFacet;
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using MeshCore::MeshKernel;
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using namespace MeshGui;
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PROPERTY_SOURCE(MeshGui::ViewProviderMeshTransformDemolding, MeshGui::ViewProviderMesh)
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ViewProviderMeshTransformDemolding::ViewProviderMeshTransformDemolding()
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{
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    // NOLINTBEGIN
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    pcTrackballDragger = new SoTrackballDragger;
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    pcTrackballDragger->ref();
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    pcTransformDrag = nullptr;
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    pcColorMat = nullptr;
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    // NOLINTEND
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}
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ViewProviderMeshTransformDemolding::~ViewProviderMeshTransformDemolding()
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{
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    pcTrackballDragger->unref();
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}
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void ViewProviderMeshTransformDemolding::attach(App::DocumentObject* pcFeat)
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{
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    // creates the standard viewing modes
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    ViewProviderMesh::attach(pcFeat);
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    SoGroup* pcDemoldRoot = new SoGroup();
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    SoDrawStyle* pcFlatStyle = new SoDrawStyle();
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    pcFlatStyle->style = SoDrawStyle::FILLED;
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    pcDemoldRoot->addChild(pcFlatStyle);
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    // dragger
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    SoSeparator* surroundsep = new SoSeparator;
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    SoSurroundScale* ss = new SoSurroundScale;
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    ss->numNodesUpToReset = 1;
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    ss->numNodesUpToContainer = 2;
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    surroundsep->addChild(ss);
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    SoAntiSquish* antisquish = new SoAntiSquish;
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    antisquish->sizing = SoAntiSquish::AVERAGE_DIMENSION;
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    surroundsep->addChild(antisquish);
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    pcTrackballDragger->addValueChangedCallback(sValueChangedCallback, this);
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    pcTrackballDragger->addFinishCallback(sDragEndCallback, this);
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    surroundsep->addChild(pcTrackballDragger);
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    pcTransformDrag = new SoTransform();
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    SoMaterialBinding* pcMatBinding = new SoMaterialBinding;
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    pcMatBinding->value = SoMaterialBinding::PER_FACE_INDEXED;
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    pcColorMat = new SoMaterial;
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    pcColorMat->diffuseColor.set1Value(0, 1, 1, 0);
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    pcColorMat->diffuseColor.set1Value(1, 1, 0, 0);
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    pcColorMat->diffuseColor.set1Value(2, 0, 1, 0);
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    pcDemoldRoot->addChild(surroundsep);
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    pcDemoldRoot->addChild(pcTransformDrag);
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    pcDemoldRoot->addChild(pcColorMat);
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    pcDemoldRoot->addChild(pcMatBinding);
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    pcDemoldRoot->addChild(pcHighlight);
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    // adding to the switch
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    addDisplayMaskMode(pcDemoldRoot, "Demold");
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    calcNormalVector();
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    calcMaterialIndex(SbRotation());
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    // getting center point
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    center = static_cast<Feature*>(pcObject)->Mesh.getValue().getKernel().GetBoundBox().GetCenter();
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}
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void ViewProviderMeshTransformDemolding::calcNormalVector()
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{
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    const MeshKernel& cMesh = static_cast<Feature*>(pcObject)->Mesh.getValue().getKernel();
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    MeshFacetIterator cFIt(cMesh);
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    for (cFIt.Init(); cFIt.More(); cFIt.Next()) {
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        const MeshGeomFacet& rFace = *cFIt;
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        Base::Vector3f norm(rFace.GetNormal());
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        normalVector.emplace_back(norm.x, norm.y, norm.z);
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    }
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}
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void ViewProviderMeshTransformDemolding::calcMaterialIndex(const SbRotation& rot)
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{
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    SbVec3f Up(0, 0, 1);
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    SbVec3f result;
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    int i = 0;
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    for (auto it = normalVector.begin(); it != normalVector.end(); ++it, i++) {
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        rot.multVec(*it, result);
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    }
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}
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void ViewProviderMeshTransformDemolding::sValueChangedCallback(void* This, SoDragger*)
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{
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    static_cast<ViewProviderMeshTransformDemolding*>(This)->valueChangedCallback();
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}
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void ViewProviderMeshTransformDemolding::sDragEndCallback(void* This, SoDragger*)
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{
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    static_cast<ViewProviderMeshTransformDemolding*>(This)->DragEndCallback();
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}
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void ViewProviderMeshTransformDemolding::DragEndCallback()
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{
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    SbRotation rot = pcTrackballDragger->rotation.getValue();
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    calcMaterialIndex(rot);
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    Base::Console().Log("View: Finish dragging\n");
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}
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void ViewProviderMeshTransformDemolding::valueChangedCallback()
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{
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    SbMatrix temp;
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    SbRotation rot = pcTrackballDragger->rotation.getValue();
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    temp.setTransform(SbVec3f(0, 0, 0),                        // no transformation
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                      rot,                                     // rotation from the dragger
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                      SbVec3f(1, 1, 1),                        // no scaling
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                      SbRotation(),                            // no scaling orientation
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                      SbVec3f(center.x, center.y, center.z));  // center of rotation
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    pcTransformDrag->setMatrix(temp);
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}
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void ViewProviderMeshTransformDemolding::setDisplayMode(const char* ModeName)
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{
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    if (strcmp("Demold", ModeName) == 0) {
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        setDisplayMaskMode("Demold");
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    }
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    ViewProviderMesh::setDisplayMode(ModeName);
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}
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const char* ViewProviderMeshTransformDemolding::getDefaultDisplayMode() const
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{
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    return "Demold";
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}
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std::vector<std::string> ViewProviderMeshTransformDemolding::getDisplayModes() const
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{
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    std::vector<std::string> StrList = ViewProviderMesh::getDisplayModes();
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    StrList.emplace_back("Demold");
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    return StrList;
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}
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