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ViewProviderGeometryObject.cpp
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ViewProviderGeometryObject.cpp
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/***************************************************************************
* Copyright (c) 2006 Werner Mayer <wmayer[at]users.sourceforge.net> *
* *
* 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"
#ifndef _PreComp_
# include <cfloat>
# include <QAction>
# include <QMenu>
# include <Inventor/actions/SoSearchAction.h>
# include <Inventor/draggers/SoDragger.h>
# include <Inventor/draggers/SoCenterballDragger.h>
# include <Inventor/manips/SoCenterballManip.h>
# include <Inventor/nodes/SoBaseColor.h>
# include <Inventor/nodes/SoCamera.h>
# include <Inventor/nodes/SoDrawStyle.h>
# include <Inventor/nodes/SoMaterial.h>
# include <Inventor/nodes/SoSeparator.h>
# include <Inventor/nodes/SoSwitch.h>
# include <Inventor/nodes/SoDirectionalLight.h>
# include <Inventor/nodes/SoPickStyle.h>
# include <Inventor/sensors/SoNodeSensor.h>
# include <Inventor/SoPickedPoint.h>
# include <Inventor/actions/SoRayPickAction.h>
#endif
/// Here the FreeCAD includes sorted by Base,App,Gui......
#include "ViewProviderGeometryObject.h"
#include "View3DInventorViewer.h"
#include "SoFCSelection.h"
#include "SoFCBoundingBox.h"
#include "Application.h"
#include "Document.h"
#include "Window.h"
#include <Base/Console.h>
#include <Base/Placement.h>
#include <App/PropertyGeo.h>
#include <App/GeoFeature.h>
#include <Inventor/draggers/SoCenterballDragger.h>
#include <Inventor/nodes/SoResetTransform.h>
#if (COIN_MAJOR_VERSION > 2)
#include <Inventor/nodes/SoDepthBuffer.h>
#endif
#include "SoFCUnifiedSelection.h"
#include "SoFCCSysDragger.h"
#include "Control.h"
#include "TaskCSysDragger.h"
#include <boost/math/special_functions/fpclassify.hpp>
using namespace Gui;
PROPERTY_SOURCE(Gui::ViewProviderGeometryObject, Gui::ViewProviderDocumentObject)
const App::PropertyIntegerConstraint::Constraints intPercent = {0,100,1};
ViewProviderGeometryObject::ViewProviderGeometryObject() : pcBoundSwitch(0)
{
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/View");
unsigned long shcol = hGrp->GetUnsigned("DefaultShapeColor",3435973887UL); // light gray (204,204,204)
float r,g,b;
r = ((shcol >> 24) & 0xff) / 255.0; g = ((shcol >> 16) & 0xff) / 255.0; b = ((shcol >> 8) & 0xff) / 255.0;
ADD_PROPERTY(ShapeColor,(r, g, b));
ADD_PROPERTY(Transparency,(0));
Transparency.setConstraints(&intPercent);
App::Material mat(App::Material::DEFAULT);
ADD_PROPERTY(ShapeMaterial,(mat));
ADD_PROPERTY(BoundingBox,(false));
ADD_PROPERTY(Selectable,(true));
bool enableSel = hGrp->GetBool("EnableSelection", true);
Selectable.setValue(enableSel);
pcShapeMaterial = new SoMaterial;
pcShapeMaterial->ref();
//ShapeMaterial.touch(); materials are rarely used, so better to initialize with default shape color
ShapeColor.touch();
pcBoundingBox = new Gui::SoFCBoundingBox;
pcBoundingBox->ref();
sPixmap = "Feature";
}
ViewProviderGeometryObject::~ViewProviderGeometryObject()
{
pcShapeMaterial->unref();
pcBoundingBox->unref();
}
void ViewProviderGeometryObject::onChanged(const App::Property* prop)
{
// Actually, the properties 'ShapeColor' and 'Transparency' are part of the property 'ShapeMaterial'.
// Both redundant properties are kept due to more convenience for the user. But we must keep the values
// consistent of all these properties.
if (prop == &Selectable) {
bool Sel = Selectable.getValue();
setSelectable(Sel);
}
else if (prop == &ShapeColor) {
const App::Color& c = ShapeColor.getValue();
pcShapeMaterial->diffuseColor.setValue(c.r,c.g,c.b);
if (c != ShapeMaterial.getValue().diffuseColor)
ShapeMaterial.setDiffuseColor(c);
}
else if (prop == &Transparency) {
const App::Material& Mat = ShapeMaterial.getValue();
long value = (long)(100*Mat.transparency);
if (value != Transparency.getValue()) {
float trans = Transparency.getValue()/100.0f;
pcShapeMaterial->transparency = trans;
ShapeMaterial.setTransparency(trans);
}
}
else if (prop == &ShapeMaterial) {
const App::Material& Mat = ShapeMaterial.getValue();
long value = (long)(100*Mat.transparency);
if (value != Transparency.getValue())
Transparency.setValue(value);
const App::Color& color = Mat.diffuseColor;
if (color != ShapeColor.getValue())
ShapeColor.setValue(Mat.diffuseColor);
pcShapeMaterial->ambientColor.setValue(Mat.ambientColor.r,Mat.ambientColor.g,Mat.ambientColor.b);
pcShapeMaterial->diffuseColor.setValue(Mat.diffuseColor.r,Mat.diffuseColor.g,Mat.diffuseColor.b);
pcShapeMaterial->specularColor.setValue(Mat.specularColor.r,Mat.specularColor.g,Mat.specularColor.b);
pcShapeMaterial->emissiveColor.setValue(Mat.emissiveColor.r,Mat.emissiveColor.g,Mat.emissiveColor.b);
pcShapeMaterial->shininess.setValue(Mat.shininess);
pcShapeMaterial->transparency.setValue(Mat.transparency);
}
else if (prop == &BoundingBox) {
showBoundingBox( BoundingBox.getValue() );
}
ViewProviderDocumentObject::onChanged(prop);
}
void ViewProviderGeometryObject::attach(App::DocumentObject *pcObj)
{
ViewProviderDocumentObject::attach(pcObj);
}
void ViewProviderGeometryObject::updateData(const App::Property* prop)
{
if (prop->isDerivedFrom(App::PropertyComplexGeoData::getClassTypeId())) {
// Note: When the placement of non-parametric objects changes there is currently no update
// of the bounding box information.
Base::BoundBox3d box = static_cast<const App::PropertyComplexGeoData*>(prop)->getBoundingBox();
pcBoundingBox->minBounds.setValue(box.MinX, box.MinY, box.MinZ);
pcBoundingBox->maxBounds.setValue(box.MaxX, box.MaxY, box.MaxZ);
}
else if (prop->isDerivedFrom(App::PropertyPlacement::getClassTypeId()) &&
strcmp(prop->getName(), "Placement") == 0) {
// Note: If R is the rotation, c the rotation center and t the translation
// vector then Inventor applies the following transformation: R*(x-c)+c+t
// In FreeCAD a placement only has a rotation and a translation part but
// no rotation center. This means that the following equation must be ful-
// filled: R * (x-c) + c + t = R * x + t
// <==> R * x + t - R * c + c = R * x + t
// <==> (I-R) * c = 0 ==> c = 0
// This means that the center point must be the origin!
Base::Placement p = static_cast<const App::PropertyPlacement*>(prop)->getValue();
updateTransform(p, pcTransform);
}
else {
ViewProviderDocumentObject::updateData(prop);
}
}
bool ViewProviderGeometryObject::doubleClicked(void)
{
Gui::Application::Instance->activeDocument()->setEdit(this, (int)ViewProvider::Default);
return true;
}
void ViewProviderGeometryObject::setupContextMenu(QMenu* menu, QObject* receiver, const char* member)
{
QAction* act = menu->addAction(QObject::tr("Transform"), receiver, member);
act->setData(QVariant((int)ViewProvider::Transform));
}
bool ViewProviderGeometryObject::setEdit(int ModNum)
{
Q_UNUSED(ModNum);
App::DocumentObject *genericObject = this->getObject();
if (genericObject->isDerivedFrom(App::GeoFeature::getClassTypeId()))
{
App::GeoFeature *geoFeature = static_cast<App::GeoFeature *>(genericObject);
const Base::Placement &placement = geoFeature->Placement.getValue();
SoTransform *tempTransform = new SoTransform();
tempTransform->ref();
updateTransform(placement, tempTransform);
assert(!csysDragger);
csysDragger = new SoFCCSysDragger();
csysDragger->draggerSize.setValue(0.05f);
csysDragger->translation.setValue(tempTransform->translation.getValue());
csysDragger->rotation.setValue(tempTransform->rotation.getValue());
tempTransform->unref();
pcTransform->translation.connectFrom(&csysDragger->translation);
pcTransform->rotation.connectFrom(&csysDragger->rotation);
csysDragger->addStartCallback(dragStartCallback, this);
csysDragger->addFinishCallback(dragFinishCallback, this);
pcRoot->insertChild(csysDragger, 0);
TaskCSysDragger *task = new TaskCSysDragger(this, csysDragger);
Gui::Control().showDialog(task);
}
return true;
}
void ViewProviderGeometryObject::unsetEdit(int ModNum)
{
Q_UNUSED(ModNum);
if(csysDragger)
{
pcTransform->translation.disconnect(&csysDragger->translation);
pcTransform->rotation.disconnect(&csysDragger->rotation);
pcRoot->removeChild(csysDragger); //should delete csysDragger
csysDragger = nullptr;
}
Gui::Control().closeDialog();
}
void ViewProviderGeometryObject::setEditViewer(Gui::View3DInventorViewer* viewer, int ModNum)
{
Q_UNUSED(ModNum);
if (csysDragger && viewer)
{
SoPickStyle *rootPickStyle = new SoPickStyle();
rootPickStyle->style = SoPickStyle::UNPICKABLE;
static_cast<SoFCUnifiedSelection*>(viewer->getSceneGraph())->insertChild(rootPickStyle, 0);
csysDragger->setUpAutoScale(viewer->getSoRenderManager()->getCamera());
}
}
void ViewProviderGeometryObject::unsetEditViewer(Gui::View3DInventorViewer* viewer)
{
SoNode *child = static_cast<SoFCUnifiedSelection*>(viewer->getSceneGraph())->getChild(0);
if (child && child->isOfType(SoPickStyle::getClassTypeId()))
static_cast<SoFCUnifiedSelection*>(viewer->getSceneGraph())->removeChild(child);
}
void ViewProviderGeometryObject::dragStartCallback(void *, SoDragger *)
{
// This is called when a manipulator is about to manipulating
Gui::Application::Instance->activeDocument()->openCommand("Transform");
}
void ViewProviderGeometryObject::dragFinishCallback(void *data, SoDragger *d)
{
// This is called when a manipulator has done manipulating
ViewProviderGeometryObject* sudoThis = reinterpret_cast<ViewProviderGeometryObject *>(data);
SoFCCSysDragger *dragger = static_cast<SoFCCSysDragger *>(d);
updatePlacementFromDragger(sudoThis, dragger);
Gui::Application::Instance->activeDocument()->commitCommand();
}
void ViewProviderGeometryObject::updatePlacementFromDragger(ViewProviderGeometryObject* sudoThis, SoFCCSysDragger* draggerIn)
{
App::DocumentObject *genericObject = sudoThis->getObject();
if (!genericObject->isDerivedFrom(App::GeoFeature::getClassTypeId()))
return;
App::GeoFeature *geoFeature = static_cast<App::GeoFeature *>(genericObject);
Base::Placement originalPlacement = geoFeature->Placement.getValue();
double pMatrix[16];
originalPlacement.toMatrix().getMatrix(pMatrix);
Base::Placement freshPlacement = originalPlacement;
//local cache for brevity.
double translationIncrement = draggerIn->translationIncrement.getValue();
double rotationIncrement = draggerIn->rotationIncrement.getValue();
int tCountX = draggerIn->translationIncrementCountX.getValue();
int tCountY = draggerIn->translationIncrementCountY.getValue();
int tCountZ = draggerIn->translationIncrementCountZ.getValue();
int rCountX = draggerIn->rotationIncrementCountX.getValue();
int rCountY = draggerIn->rotationIncrementCountY.getValue();
int rCountZ = draggerIn->rotationIncrementCountZ.getValue();
//just as a little sanity check make sure only 1 field has changed.
int numberOfFieldChanged = 0;
if (tCountX) numberOfFieldChanged++;
if (tCountY) numberOfFieldChanged++;
if (tCountZ) numberOfFieldChanged++;
if (rCountX) numberOfFieldChanged++;
if (rCountY) numberOfFieldChanged++;
if (rCountZ) numberOfFieldChanged++;
if (numberOfFieldChanged == 0)
return;
assert(numberOfFieldChanged == 1);
//helper lamdas.
auto getVectorX = [&pMatrix]() {return Base::Vector3d(pMatrix[0], pMatrix[4], pMatrix[8]);};
auto getVectorY = [&pMatrix]() {return Base::Vector3d(pMatrix[1], pMatrix[5], pMatrix[9]);};
auto getVectorZ = [&pMatrix]() {return Base::Vector3d(pMatrix[2], pMatrix[6], pMatrix[10]);};
if (tCountX)
{
Base::Vector3d movementVector(getVectorX());
movementVector *= (tCountX * translationIncrement);
freshPlacement.move(movementVector);
geoFeature->Placement.setValue(freshPlacement);
}
else if (tCountY)
{
Base::Vector3d movementVector(getVectorY());
movementVector *= (tCountY * translationIncrement);
freshPlacement.move(movementVector);
geoFeature->Placement.setValue(freshPlacement);
}
else if (tCountZ)
{
Base::Vector3d movementVector(getVectorZ());
movementVector *= (tCountZ * translationIncrement);
freshPlacement.move(movementVector);
geoFeature->Placement.setValue(freshPlacement);
}
else if (rCountX)
{
Base::Vector3d rotationVector(getVectorX());
Base::Rotation rotation(rotationVector, rCountX * rotationIncrement);
freshPlacement.setRotation(rotation * freshPlacement.getRotation());
geoFeature->Placement.setValue(freshPlacement);
}
else if (rCountY)
{
Base::Vector3d rotationVector(getVectorY());
Base::Rotation rotation(rotationVector, rCountY * rotationIncrement);
freshPlacement.setRotation(rotation * freshPlacement.getRotation());
geoFeature->Placement.setValue(freshPlacement);
}
else if (rCountZ)
{
Base::Vector3d rotationVector(getVectorZ());
Base::Rotation rotation(rotationVector, rCountZ * rotationIncrement);
freshPlacement.setRotation(rotation * freshPlacement.getRotation());
geoFeature->Placement.setValue(freshPlacement);
}
draggerIn->clearIncrementCounts();
}
SoPickedPointList ViewProviderGeometryObject::getPickedPoints(const SbVec2s& pos, const View3DInventorViewer& viewer,bool pickAll) const
{
SoSeparator* root = new SoSeparator;
root->ref();
root->addChild(viewer.getHeadlight());
root->addChild(viewer.getSoRenderManager()->getCamera());
root->addChild(const_cast<ViewProviderGeometryObject*>(this)->getRoot());
SoRayPickAction rp(viewer.getSoRenderManager()->getViewportRegion());
rp.setPickAll(pickAll);
rp.setRadius(viewer.getPickRadius());
rp.setPoint(pos);
rp.apply(root);
root->unref();
// returns a copy of the list
return rp.getPickedPointList();
}
SoPickedPoint* ViewProviderGeometryObject::getPickedPoint(const SbVec2s& pos, const View3DInventorViewer& viewer) const
{
SoSeparator* root = new SoSeparator;
root->ref();
root->addChild(viewer.getHeadlight());
root->addChild(viewer.getSoRenderManager()->getCamera());
root->addChild(const_cast<ViewProviderGeometryObject*>(this)->getRoot());
SoRayPickAction rp(viewer.getSoRenderManager()->getViewportRegion());
rp.setPoint(pos);
rp.setRadius(viewer.getPickRadius());
rp.apply(root);
root->unref();
// returns a copy of the point
SoPickedPoint* pick = rp.getPickedPoint();
//return (pick ? pick->copy() : 0); // needs the same instance of CRT under MS Windows
return (pick ? new SoPickedPoint(*pick) : 0);
}
void ViewProviderGeometryObject::showBoundingBox(bool show)
{
if (!pcBoundSwitch && show) {
ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/View");
unsigned long bbcol = hGrp->GetUnsigned("BoundingBoxColor",4294967295UL); // white (255,255,255)
float r,g,b;
r = ((bbcol >> 24) & 0xff) / 255.0; g = ((bbcol >> 16) & 0xff) / 255.0; b = ((bbcol >> 8) & 0xff) / 255.0;
pcBoundSwitch = new SoSwitch();
SoSeparator* pBoundingSep = new SoSeparator();
SoDrawStyle* lineStyle = new SoDrawStyle;
lineStyle->lineWidth = 2.0f;
pBoundingSep->addChild(lineStyle);
SoBaseColor* color = new SoBaseColor();
color->rgb.setValue(r, g, b);
pBoundingSep->addChild(color);
pBoundingSep->addChild(new SoResetTransform());
pBoundingSep->addChild(pcBoundingBox);
pcBoundingBox->coordsOn.setValue(false);
pcBoundingBox->dimensionsOn.setValue(true);
// add to the highlight node
pcBoundSwitch->addChild(pBoundingSep);
pcRoot->addChild(pcBoundSwitch);
}
if (pcBoundSwitch) {
pcBoundSwitch->whichChild = (show ? 0 : -1);
}
}
void ViewProviderGeometryObject::setSelectable(bool selectable)
{
SoSearchAction sa;
sa.setInterest(SoSearchAction::ALL);
sa.setSearchingAll(TRUE);
sa.setType(Gui::SoFCSelection::getClassTypeId());
sa.apply(pcRoot);
SoPathList & pathList = sa.getPaths();
for (int i=0;i<pathList.getLength();i++) {
SoFCSelection *selNode = dynamic_cast<SoFCSelection*>(pathList[i]->getTail());
if (selectable) {
selNode->selectionMode = SoFCSelection::SEL_ON;
selNode->highlightMode = SoFCSelection::AUTO;
}
else {
selNode->selectionMode = SoFCSelection::SEL_OFF;
selNode->highlightMode = SoFCSelection::OFF;
selNode->selected = SoFCSelection::NOTSELECTED;
}
}
}
void ViewProviderGeometryObject::updateTransform(const Base::Placement& from, SoTransform* to)
{
float q0 = (float)from.getRotation().getValue()[0];
float q1 = (float)from.getRotation().getValue()[1];
float q2 = (float)from.getRotation().getValue()[2];
float q3 = (float)from.getRotation().getValue()[3];
float px = (float)from.getPosition().x;
float py = (float)from.getPosition().y;
float pz = (float)from.getPosition().z;
to->rotation.setValue(q0,q1,q2,q3);
to->translation.setValue(px,py,pz);
to->center.setValue(0.0f,0.0f,0.0f);
to->scaleFactor.setValue(1.0f,1.0f,1.0f);
}