277 lines
9.3 KiB
C++
277 lines
9.3 KiB
C++
/******************************************************************************
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* Copyright (c) 2013 Jan Rheinländer <jrheinlaender@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 <Mod/Part/App/FCBRepAlgoAPI_Common.h>
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#include <Mod/Part/App/FCBRepAlgoAPI_Cut.h>
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#include <Mod/Part/App/FCBRepAlgoAPI_Fuse.h>
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#include <Standard_Failure.hxx>
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#include <App/DocumentObject.h>
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#include <Mod/Part/App/modelRefine.h>
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#include <Mod/Part/App/TopoShapeOpCode.h>
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#include "FeatureBoolean.h"
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#include "Body.h"
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FC_LOG_LEVEL_INIT("PartDesign", true, true);
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using namespace PartDesign;
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namespace PartDesign
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{
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extern bool getPDRefineModelParameter();
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PROPERTY_SOURCE_WITH_EXTENSIONS(PartDesign::Boolean, PartDesign::Feature)
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const char* Boolean::TypeEnums[] = {"Fuse", "Cut", "Common", nullptr};
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Boolean::Boolean()
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{
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ADD_PROPERTY(Type, ((long)0));
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Type.setEnums(TypeEnums);
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ADD_PROPERTY_TYPE(
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UsePlacement,
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(0),
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"Part Design",
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(App::PropertyType)(App::Prop_None),
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"Apply the placement of the second ( tool ) object"
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);
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this->UsePlacement.setValue(false);
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App::GeoFeatureGroupExtension::initExtension(this);
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}
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short Boolean::mustExecute() const
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{
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if (Group.isTouched()) {
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return 1;
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}
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return PartDesign::Feature::mustExecute();
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}
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App::DocumentObjectExecReturn* Boolean::execute()
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{
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// Get the operation type
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std::string type = Type.getValueAsString();
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// Check the parameters
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const Part::Feature* baseFeature = this->getBaseObject(/* silent = */ true);
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if (!baseFeature && type == "Cut") {
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return new App::DocumentObjectExecReturn(
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QT_TRANSLATE_NOOP("Exception", "Cannot do boolean cut without BaseFeature")
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);
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}
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std::vector<App::DocumentObject*> tools = Group.getValues();
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if (tools.empty()) {
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return App::DocumentObject::StdReturn;
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}
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// Get the base shape to operate on
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Part::TopoShape baseTopShape;
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if (baseFeature) {
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baseTopShape = baseFeature->Shape.getShape();
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}
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else {
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auto feature = tools.back();
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if (!feature->isDerivedFrom<Part::Feature>()) {
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return new App::DocumentObjectExecReturn(QT_TRANSLATE_NOOP(
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"Exception",
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"Cannot do boolean with anything but Part::Feature and its derivatives"
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));
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}
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baseTopShape = static_cast<Part::Feature*>(feature)->Shape.getShape();
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tools.pop_back();
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}
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if (baseTopShape.getShape().IsNull()) {
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return new App::DocumentObjectExecReturn(
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QT_TRANSLATE_NOOP("Exception", "Cannot do boolean operation with invalid base shape")
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);
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}
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// get the body this boolean feature belongs to
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Part::BodyBase* baseBody = Part::BodyBase::findBodyOf(this);
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if (!baseBody) {
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return new App::DocumentObjectExecReturn(
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QT_TRANSLATE_NOOP("Exception", "Cannot do boolean on feature which is not in a body")
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);
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}
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std::vector<TopoShape> shapes;
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shapes.push_back(baseTopShape);
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for (auto it = tools.begin(); it < tools.end(); ++it) {
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auto shape = getTopoShape(*it, Part::ShapeOption::ResolveLink | Part::ShapeOption::Transform);
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if (shape.isNull()) {
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return new App::DocumentObjectExecReturn(
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QT_TRANSLATE_NOOP("Exception", "Tool shape is null")
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);
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}
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shapes.push_back(shape);
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}
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TopoShape result(baseTopShape);
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Base::Placement bodyPlacement = baseBody->globalPlacement().inverse();
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for (auto tool : tools) {
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if (!tool->isDerivedFrom<Part::Feature>()) {
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return new App::DocumentObjectExecReturn(QT_TRANSLATE_NOOP(
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"Exception",
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"Cannot do boolean with anything but Part::Feature and its derivatives"
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));
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}
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Part::TopoShape toolShape = static_cast<Part::Feature*>(tool)->Shape.getShape();
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if (UsePlacement.getValue()) {
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toolShape.setPlacement(bodyPlacement * toolShape.getPlacement());
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}
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TopoDS_Shape shape = toolShape.getShape();
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TopoDS_Shape boolOp;
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// Must not pass null shapes to the boolean operations
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if (result.isNull()) {
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return new App::DocumentObjectExecReturn(
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QT_TRANSLATE_NOOP("Exception", "Base shape is null")
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);
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}
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if (shape.IsNull()) {
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return new App::DocumentObjectExecReturn(
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QT_TRANSLATE_NOOP("Exception", "Tool shape is null")
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);
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}
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const char* op = nullptr;
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if (type == "Fuse") {
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op = Part::OpCodes::Fuse;
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}
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else if (type == "Cut") {
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op = Part::OpCodes::Cut;
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}
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else if (type == "Common") {
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op = Part::OpCodes::Common;
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}
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// LinkStage3 defines these other types of Boolean operations. Removed for now pending
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// decision to bring them in or not.
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// else if(type == "Compound")
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// op = Part::OpCodes::Compound;
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// else if(type == "Section")
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// op = Part::OpCodes::Section;
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else {
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return new App::DocumentObjectExecReturn(
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QT_TRANSLATE_NOOP("Exception", "Unsupported boolean operation")
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);
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}
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try {
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result.makeElementBoolean(op, shapes);
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}
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catch (Standard_Failure& e) {
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FC_ERR("Boolean operation failed: " << e.GetMessageString());
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return new App::DocumentObjectExecReturn(
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QT_TRANSLATE_NOOP("Exception", "Boolean operation failed")
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);
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}
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}
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result = refineShapeIfActive(result);
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if (!isSingleSolidRuleSatisfied(result.getShape())) {
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return new App::DocumentObjectExecReturn(QT_TRANSLATE_NOOP(
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"Exception",
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"Result has multiple solids: enable 'Allow Compound' in the active body."
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));
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}
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this->Shape.setValue(getSolid(result));
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return StdReturn;
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}
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void Boolean::updatePreviewShape()
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{
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if (strcmp(Type.getValueAsString(), "Cut") == 0) {
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TopoShape base = getBaseTopoShape(true).moved(getLocation().Inverted());
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TopoShape result = Shape.getShape();
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PreviewShape.setValue(base.makeElementCut(result.getShape()));
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return;
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}
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if (strcmp(Type.getValueAsString(), "Fuse") == 0) {
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// if there are no other shapes to fuse just return itself
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if (Group.getValues().empty()) {
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PreviewShape.setValue(Shape.getShape());
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return;
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}
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std::vector<TopoShape> shapes;
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for (auto& obj : Group.getValues()) {
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auto shape
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= getTopoShape(obj, Part::ShapeOption::ResolveLink | Part::ShapeOption::Transform);
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shape.setPlacement(shape.getPlacement().inverse() * globalPlacement());
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shapes.push_back(shape);
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}
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TopoShape result;
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result.makeCompound(shapes);
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PreviewShape.setValue(result.getShape());
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return;
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}
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PreviewShape.setValue(Shape.getShape());
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}
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void Boolean::onChanged(const App::Property* prop)
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{
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if (strcmp(prop->getName(), "Group") == 0) {
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touch();
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}
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if (strcmp(prop->getName(), "Shape") == 0) {
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updatePreviewShape();
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}
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Feature::onChanged(prop);
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}
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void Boolean::handleChangedPropertyName(Base::XMLReader& reader, const char* TypeName, const char* PropName)
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{
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// The App::PropertyLinkList property was Bodies in the past
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Base::Type type = Base::Type::fromName(TypeName);
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if (Group.getClassTypeId() == type && strcmp(PropName, "Bodies") == 0) {
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Group.Restore(reader);
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}
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}
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} // namespace PartDesign
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