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create/src/Gui/Inventor/SoAxisCrossKit.cpp

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/***************************************************************************
* Copyright (c) 2010 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_
# ifdef FC_OS_MACOSX
# include <OpenGL/gl.h>
# else
# include <GL/gl.h>
# endif
# include <Inventor/actions/SoGetBoundingBoxAction.h>
# include <Inventor/actions/SoGLRenderAction.h>
# include <Inventor/bundles/SoMaterialBundle.h>
# include <Inventor/bundles/SoTextureCoordinateBundle.h>
# include <Inventor/elements/SoLazyElement.h>
# include <Inventor/elements/SoModelMatrixElement.h>
# include <Inventor/elements/SoViewportRegionElement.h>
# include <Inventor/elements/SoViewVolumeElement.h>
# include <Inventor/nodekits/SoShapeKit.h>
# include <Inventor/nodes/SoBaseColor.h>
# include <Inventor/nodes/SoCone.h>
# include <Inventor/nodes/SoCoordinate3.h>
# include <Inventor/nodes/SoCube.h>
# include <Inventor/nodes/SoFontStyle.h>
# include <Inventor/nodes/SoLineSet.h>
# include <Inventor/nodes/SoScale.h>
# include <Inventor/nodes/SoSeparator.h>
# include <Inventor/nodes/SoText2.h>
# include <Inventor/nodes/SoTranslation.h>
#endif
#include "SoAxisCrossKit.h"
using namespace Gui;
SO_KIT_SOURCE(SoShapeScale)
// Constructor.
SoShapeScale::SoShapeScale()
{
SO_KIT_CONSTRUCTOR(SoShapeScale);
SO_KIT_ADD_FIELD(active, (true));
SO_KIT_ADD_FIELD(scaleFactor, (1.0f));
SO_KIT_ADD_CATALOG_ENTRY(topSeparator, SoSeparator, false, this, "", false);
SO_KIT_ADD_CATALOG_ABSTRACT_ENTRY(shape, SoNode, SoCube, true, topSeparator, "", true);
SO_KIT_ADD_CATALOG_ENTRY(scale, SoScale, false, topSeparator, shape, false);
SO_KIT_INIT_INSTANCE();
}
// Destructor.
SoShapeScale::~SoShapeScale() = default;
void
SoShapeScale::initClass()
{
SO_KIT_INIT_CLASS(SoShapeScale, SoBaseKit, "BaseKit");
}
void
SoShapeScale::GLRender(SoGLRenderAction * action)
{
auto* scale = static_cast<SoScale*>(this->getAnyPart(SbName("scale"), true));
if (!this->active.getValue()) {
SbVec3f v(1.0f, 1.0f, 1.0f);
if (scale->scaleFactor.getValue() != v){
scale->scaleFactor = v;
}
}
else {
SoState* state = action->getState();
const SbViewportRegion & vp = SoViewportRegionElement::get(state);
const SbViewVolume & vv = SoViewVolumeElement::get(state);
SbVec3f center(0.0f, 0.0f, 0.0f);
float nsize = this->scaleFactor.getValue() / float(vp.getViewportSizePixels()[0]);
SoModelMatrixElement::get(state).multVecMatrix(center, center); // world coords
float sf = vv.getWorldToScreenScale(center, nsize);
SbVec3f v(sf, sf, sf);
if (scale->scaleFactor.getValue() != v){
scale->scaleFactor = v;
}
}
inherited::GLRender(action);
}
// --------------------------------------------------------------
SO_KIT_SOURCE(SoAxisCrossKit)
void
SoAxisCrossKit::initClass()
{
SO_KIT_INIT_CLASS(SoAxisCrossKit,SoBaseKit, "BaseKit");
}
SoAxisCrossKit::SoAxisCrossKit()
{
SO_KIT_CONSTRUCTOR(SoAxisCrossKit);
// Add the parts to the catalog...
SO_KIT_ADD_CATALOG_ENTRY(xAxis, SoShapeKit,
true, this,"", true);
SO_KIT_ADD_CATALOG_ENTRY(xHead, SoShapeKit,
true, this,"", true);
SO_KIT_ADD_CATALOG_ENTRY(yAxis, SoShapeKit,
true, this,"", true);
SO_KIT_ADD_CATALOG_ENTRY(yHead, SoShapeKit,
true, this,"", true);
SO_KIT_ADD_CATALOG_ENTRY(zAxis, SoShapeKit,
true, this,"", true);
SO_KIT_ADD_CATALOG_ENTRY(zHead, SoShapeKit,
true, this,"", true);
SO_KIT_INIT_INSTANCE();
createAxes();
}
SoAxisCrossKit::~SoAxisCrossKit() = default;
// This kit is made up entirely of SoShapeKits.
// Since SoShapeKits do not affect state, neither does this.
SbBool
SoAxisCrossKit::affectsState() const
{
return false;
}
void SoAxisCrossKit::addWriteReference(SoOutput * /*out*/, SbBool /*isfromfield*/)
{
// this node should not be written out to a file
}
void SoAxisCrossKit::getBoundingBox(SoGetBoundingBoxAction * action)
{
inherited::getBoundingBox(action);
action->resetCenter();
action->setCenter(SbVec3f(0,0,0), false);
}
// Set up parts for default configuration of the jumping jack
void
SoAxisCrossKit::createAxes()
{
// Create the heads.
auto head = new SoCone;
head->bottomRadius.setValue(5);
head->height.setValue(10);
setPart("xHead.shape", head);
setPart("yHead.shape", head);
setPart("zHead.shape", head);
// Create the axes.
auto coords = new SoCoordinate3;
coords->point.set1Value(0, SbVec3f(0,0,0));
coords->point.set1Value(1, SbVec3f(90,0,0));
setPart("xAxis.coordinate3", coords);
setPart("yAxis.coordinate3", coords);
setPart("zAxis.coordinate3", coords);
auto shape = new SoLineSet;
setPart("xAxis.shape", shape);
setPart("yAxis.shape", shape);
setPart("zAxis.shape", shape);
// Place the axes and heads
set("yAxis.transform", "rotation 0 0 1 1.5707999");
set("zAxis.transform", "rotation 0 1 0 -1.5707999");
set("xHead.transform", "translation 95 0 0");
set("xHead.transform", "scaleFactor 0.5 1.5 0.5");
set("xHead.transform", "rotation 0 0 -1 1.5707999");
set("yHead.transform", "translation 0 95 0");
set("yHead.transform", "scaleFactor 0.5 1.5 0.5");
set("yHead.transform", "rotation 0 0 1 0");
set("zHead.transform", "translation 0 0 95");
set("zHead.transform", "scaleFactor 0.5 1.5 0.5");
set("zHead.transform", "rotation 1 0 0 1.5707999");
// Set colors & styles
set("xAxis.appearance.lightModel", "model BASE_COLOR");
set("xHead.appearance.lightModel", "model BASE_COLOR");
set("yAxis.appearance.lightModel", "model BASE_COLOR");
set("yHead.appearance.lightModel", "model BASE_COLOR");
set("zAxis.appearance.lightModel", "model BASE_COLOR");
set("zHead.appearance.lightModel", "model BASE_COLOR");
set("xAxis.appearance.drawStyle", "lineWidth 1");
set("yAxis.appearance.drawStyle", "lineWidth 1");
set("zAxis.appearance.drawStyle", "lineWidth 1");
set("xAxis.appearance.material", "diffuseColor 0.5 0.125 0.125");
set("xHead.appearance.material", "diffuseColor 0.5 0.125 0.125");
set("yAxis.appearance.material", "diffuseColor 0.125 0.5 0.125");
set("yHead.appearance.material", "diffuseColor 0.125 0.5 0.125");
set("zAxis.appearance.material", "diffuseColor 0.125 0.125 0.5");
set("zHead.appearance.material", "diffuseColor 0.125 0.125 0.5");
// Make unpickable
set("xAxis.pickStyle", "style UNPICKABLE");
set("xHead.pickStyle", "style UNPICKABLE");
set("yAxis.pickStyle", "style UNPICKABLE");
set("yHead.pickStyle", "style UNPICKABLE");
set("zAxis.pickStyle", "style UNPICKABLE");
set("zHead.pickStyle", "style UNPICKABLE");
}
// --------------------------------------------------------------
SO_NODE_SOURCE(SoRegPoint)
void SoRegPoint::initClass()
{
SO_NODE_INIT_CLASS(SoRegPoint, SoShape, "Shape");
}
SoRegPoint::SoRegPoint()
{
SO_NODE_CONSTRUCTOR(SoRegPoint);
SO_NODE_ADD_FIELD(base, (SbVec3f(0,0,0)));
SO_NODE_ADD_FIELD(normal, (SbVec3f(1,1,1)));
SO_NODE_ADD_FIELD(length, (3.0));
SO_NODE_ADD_FIELD(color, (1.0f, 0.447059f, 0.337255f));
SO_NODE_ADD_FIELD(text, (""));
root = new SoSeparator();
root->ref();
// translation
auto move = new SoTranslation();
move->translation.setValue(base.getValue() + normal.getValue() * length.getValue());
root->addChild(move);
// sub-group
auto col = new SoBaseColor();
col->rgb.setValue(this->color.getValue());
auto font = new SoFontStyle;
font->size = 14;
auto sub = new SoSeparator();
sub->addChild(col);
sub->addChild(font);
sub->addChild(new SoText2());
root->addChild(sub);
}
SoRegPoint::~SoRegPoint()
{
root->unref();
}
/**
* Renders the probe with text label and a bullet at the base point.
*/
void SoRegPoint::GLRender(SoGLRenderAction *action)
{
if (shouldGLRender(action))
{
SoState* state = action->getState();
state->push();
SoMaterialBundle mb(action);
SoTextureCoordinateBundle tb(action, true, false);
SoLazyElement::setLightModel(state, SoLazyElement::BASE_COLOR);
mb.sendFirst(); // make sure we have the correct material
SbVec3f p1 = base.getValue();
SbVec3f p2 = p1 + normal.getValue() * length.getValue();
glLineWidth(1.0f);
glColor3fv(color.getValue().getValue());
glBegin(GL_LINE_STRIP);
glVertex3d(p1[0], p1[1], p1[2]);
glVertex3d(p2[0], p2[1], p2[2]);
glEnd();
glPointSize(5.0f);
glBegin(GL_POINTS);
glVertex3fv(p1.getValue());
glEnd();
glPointSize(2.0f);
glBegin(GL_POINTS);
glVertex3fv(p2.getValue());
glEnd();
root->GLRender(action);
state->pop();
}
}
void SoRegPoint::generatePrimitives(SoAction* /*action*/)
{
}
/**
* Sets the bounding box of the probe to \a box and its center to \a center.
*/
void SoRegPoint::computeBBox(SoAction *action, SbBox3f &box, SbVec3f &center)
{
root->doAction(action);
if (action->getTypeId().isDerivedFrom(SoGetBoundingBoxAction::getClassTypeId()))
static_cast<SoGetBoundingBoxAction*>(action)->resetCenter();
SbVec3f p1 = base.getValue();
SbVec3f p2 = p1 + normal.getValue() * length.getValue();
box.extendBy(p1);
box.extendBy(p2);
center = box.getCenter();
}
void SoRegPoint::notify(SoNotList * node)
{
SoField * f = node->getLastField();
if (f == &this->base || f == &this->normal || f == &this->length) {
auto move = static_cast<SoTranslation*>(root->getChild(0));
move->translation.setValue(base.getValue() + normal.getValue() * length.getValue());
}
else if (f == &this->color) {
auto sub = static_cast<SoSeparator*>(root->getChild(1));
auto col = static_cast<SoBaseColor*>(sub->getChild(0));
col->rgb = this->color.getValue();
}
else if (f == &this->text) {
auto sub = static_cast<SoSeparator*>(root->getChild(1));
auto label = static_cast<SoText2*>(sub->getChild(2));
label->string = this->text.getValue();
}
SoShape::notify(node);
}