void
IfReplacer::replaceMaterials(SoNode *sceneRoot, const SoType &typeToReplace)
{
// Find all nodes of the given type
SoSearchAction sa;
sa.setType(typeToReplace);
sa.setInterest(SoSearchAction::ALL);
sa.apply(sceneRoot);
// Replace the tail of each path with a material. To do this, we
// need to apply an SoCallbackAction to the path to gather the
// material components.
for (int i = 0; i < sa.getPaths().getLength(); i++) {
// Cast the path to a full path, just in case
SoFullPath *path = (SoFullPath *) sa.getPaths()[i];
ASSERT(path->getTail()->isOfType(typeToReplace));
// The path better have at least one group above the material
if (path->getLength() < 2 ||
! path->getNodeFromTail(1)->isOfType(SoGroup::getClassTypeId()))
continue;
// Create a material node that represents the material in
// effect at the tail of the path
SoMaterial *newMaterial = createMaterialForPath(path);
newMaterial->ref();
// Replace the tail node with that material
SoGroup *parent = (SoGroup *) path->getNodeFromTail(1);
parent->replaceChild(path->getTail(), newMaterial);
newMaterial->unref();
}
}
void
SoBoxHighlightRenderAction::drawBoxes(SoPath * pathtothis, const SoPathList * pathlist)
{
int i;
int thispos = reclassify_cast<SoFullPath *>(pathtothis)->getLength()-1;
assert(thispos >= 0);
PRIVATE(this)->postprocpath->setHead(pathtothis->getHead()); // reset
for (i = 1; i < thispos; i++) {
PRIVATE(this)->postprocpath->append(pathtothis->getIndex(i));
}
// we need to disable accumulation buffer antialiasing while
// rendering selected objects
int oldnumpasses = this->getNumPasses();
this->setNumPasses(1);
SoState * thestate = this->getState();
thestate->push();
for (i = 0; i < pathlist->getLength(); i++) {
SoFullPath * path = reclassify_cast<SoFullPath *>((*pathlist)[i]);
PRIVATE(this)->postprocpath->append(path->getHead());
for (int j = 1; j < path->getLength(); j++) {
PRIVATE(this)->postprocpath->append(path->getIndex(j));
}
// Previously SoGLRenderAction was used to draw the bounding boxes
// of shapes in selection paths, by overriding renderstyle state
// elements to lines drawstyle and simply doing:
//
// SoGLRenderAction::apply(PRIVATE(this)->postprocpath); // Bug
//
// This could have the unwanted side effect of rendering
// non-selected shapes, as they could be part of the path (due to
// being placed below SoGroup nodes (instead of SoSeparator
// nodes)) up to the selected shape.
//
//
// A better approach turned out to be to soup up and draw only the
// bounding boxes of the selected shapes:
PRIVATE(this)->drawHighlightBox(PRIVATE(this)->postprocpath);
// Remove temporary path from path buffer
PRIVATE(this)->postprocpath->truncate(thispos);
}
this->setNumPasses(oldnumpasses);
thestate->pop();
}
//////////////////////////////////////////////////////////////////////////////
//
// beginTraversal - have the base class render the passed scene graph,
// then render highlights for our selection node.
//
void
SoLineHighlightRenderAction::apply(SoNode *node)
//
//////////////////////////////////////////////////////////////////////////////
{
// Render the scene
SoGLRenderAction::apply(node);
// Render the highlight?
if (! hlVisible) return;
// Add the rendering localRoot beneath our local scene graph localRoot
// so that we can find a path from localRoot to the selection node
// which is under the render root.
localRoot->addChild(node);
// Find the selection node under the local root
static SoSearchAction *sa = NULL;
if (sa == NULL)
sa = new SoSearchAction;
else
sa->reset();
sa->setFind(SoSearchAction::TYPE);
sa->setInterest(SoSearchAction::FIRST);
sa->setType(SoSelection::getClassTypeId());
sa->apply(localRoot);
SoPath *hlPath = sa->getPath();
if (hlPath != NULL) {
hlPath = hlPath->copy();
hlPath->ref();
// Make sure something is selected
SoSelection *sel = (SoSelection *) hlPath->getTail();
if (sel->getNumSelected() > 0) {
// Keep the length from the root to the selection
// as an optimization so we can reuse this data
int reusablePathLength = hlPath->getLength();
// For each selection path, create a new path rooted under our localRoot
for (int j = 0; j < sel->getNumSelected(); j++) {
// Continue the path down to the selected object.
// No need to deal with p[0] since that is the sel node.
SoFullPath *p = (SoFullPath *) sel->getPath(j);
SoNode *pathTail = p->getTail();
if ( pathTail->isOfType(SoBaseKit::getClassTypeId())) {
// Find the last nodekit on the path.
SoNode *kitTail = ((SoNodeKitPath *)p)->getTail();
// Extend the selectionPath until it reaches this last kit.
SoFullPath *fp = (SoFullPath *) p;
int k = 0;
do {
hlPath->append(fp->getIndex(++k));
}
while ( fp->getNode(k) != kitTail );
}
else {
for (int k = 1; k < p->getLength(); k++)
hlPath->append(p->getIndex(k));
}
// Render the shape with the local draw style to make the highlight
SoGLRenderAction::apply(hlPath);
// Restore hlPath for reuse
hlPath->truncate(reusablePathLength);
}
}
hlPath->unref();
}
// Remove the rendering localRoot from our local scene graph
localRoot->removeChild(node);
}
// doc from parent
void
SoFCSelection::handleEvent(SoHandleEventAction * action)
{
static char buf[513];
HighlightModes mymode = (HighlightModes) this->highlightMode.getValue();
const SoEvent * event = action->getEvent();
#ifdef NO_FRONTBUFFER
// mouse move events for preselection
if (event->isOfType(SoLocation2Event::getClassTypeId())) {
// NOTE: If preselection is off then we do not check for a picked point because otherwise this search may slow
// down extremely the system on really big data sets. In this case we just check for a picked point if the data
// set has been selected.
if (mymode == AUTO || mymode == ON) {
const SoPickedPoint * pp = this->getPickedPoint(action);
if (pp && pp->getPath()->containsPath(action->getCurPath())) {
if (!highlighted) {
if (Gui::Selection().setPreselect(documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString()
,pp->getPoint()[0]
,pp->getPoint()[1]
,pp->getPoint()[2])){
SoFCSelection::turnoffcurrent(action);
SoFCSelection::currenthighlight = (SoFullPath*)action->getCurPath()->copy();
SoFCSelection::currenthighlight->ref();
highlighted = TRUE;
this->touch(); // force scene redraw
this->redrawHighlighted(action, TRUE);
}
}
snprintf(buf,512,"Preselected: %s.%s.%s (%f,%f,%f)",documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString()
,pp->getPoint()[0]
,pp->getPoint()[1]
,pp->getPoint()[2]);
getMainWindow()->showMessage(QString::fromAscii(buf),3000);
}
else { // picked point
if (highlighted) {
if (mymode == AUTO)
SoFCSelection::turnoffcurrent(action);
//FIXME: I think we should set 'highlighted' to false whenever no point is picked
//else
highlighted = FALSE;
Gui::Selection().rmvPreselect();
}
}
}
} // key press events
else if (event->isOfType(SoKeyboardEvent ::getClassTypeId())) {
SoKeyboardEvent * const e = (SoKeyboardEvent *) event;
if (SoKeyboardEvent::isKeyPressEvent(e,SoKeyboardEvent::LEFT_SHIFT) ||
SoKeyboardEvent::isKeyPressEvent(e,SoKeyboardEvent::RIGHT_SHIFT) )
bShift = true;
if (SoKeyboardEvent::isKeyReleaseEvent(e,SoKeyboardEvent::LEFT_SHIFT) ||
SoKeyboardEvent::isKeyReleaseEvent(e,SoKeyboardEvent::RIGHT_SHIFT) )
bShift = false;
if (SoKeyboardEvent::isKeyPressEvent(e,SoKeyboardEvent::LEFT_CONTROL) ||
SoKeyboardEvent::isKeyPressEvent(e,SoKeyboardEvent::RIGHT_CONTROL) )
bCtrl = true;
if (SoKeyboardEvent::isKeyReleaseEvent(e,SoKeyboardEvent::LEFT_CONTROL) ||
SoKeyboardEvent::isKeyReleaseEvent(e,SoKeyboardEvent::RIGHT_CONTROL) )
bCtrl = false;
} // mouse press events for (de)selection
else if (event->isOfType(SoMouseButtonEvent::getClassTypeId())) {
SoMouseButtonEvent * const e = (SoMouseButtonEvent *) event;
if (SoMouseButtonEvent::isButtonReleaseEvent(e,SoMouseButtonEvent::BUTTON1)) {
//FIXME: Shouldn't we remove the preselection for newly selected objects?
// Otherwise the tree signals that an object is preselected even though it is hidden. (Werner)
const SoPickedPoint * pp = this->getPickedPoint(action);
if (pp && pp->getPath()->containsPath(action->getCurPath())) {
if (bCtrl) {
if (Gui::Selection().isSelected(documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString())) {
Gui::Selection().rmvSelection(documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString());
} else {
Gui::Selection().addSelection(documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString()
,pp->getPoint()[0]
,pp->getPoint()[1]
,pp->getPoint()[2]);
if (mymode == OFF) {
snprintf(buf,512,"Selected: %s.%s.%s (%f,%f,%f)",documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString()
,pp->getPoint()[0]
,pp->getPoint()[1]
,pp->getPoint()[2]);
getMainWindow()->showMessage(QString::fromAscii(buf),3000);
}
}
}
else { // Ctrl
if (!Gui::Selection().isSelected(documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString())) {
Gui::Selection().clearSelection(documentName.getValue().getString());
Gui::Selection().addSelection(documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString()
,pp->getPoint()[0]
,pp->getPoint()[1]
,pp->getPoint()[2]);
}
else {
Gui::Selection().clearSelection(documentName.getValue().getString());
Gui::Selection().addSelection(documentName.getValue().getString()
,objectName.getValue().getString()
,0
,pp->getPoint()[0]
,pp->getPoint()[1]
,pp->getPoint()[2]);
}
if (mymode == OFF) {
snprintf(buf,512,"Selected: %s.%s.%s (%f,%f,%f)",documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString()
,pp->getPoint()[0]
,pp->getPoint()[1]
,pp->getPoint()[2]);
getMainWindow()->showMessage(QString::fromAscii(buf),3000);
}
}
action->setHandled();
} // picked point
} // mouse release
}
inherited::handleEvent(action);
#else
// If we don't need to pick for locate highlighting,
// then just behave as separator and return.
// NOTE: we still have to pick for ON even though we don't have
// to re-render, because the app needs to be notified as the mouse
// goes over locate highlight nodes.
//if (highlightMode.getValue() == OFF) {
// inherited::handleEvent( action );
// return;
//}
//
// If this is a mouseMotion event, then check for locate highlighting
//
if (event->isOfType(SoLocation2Event::getClassTypeId())) {
// check to see if the mouse is over our geometry...
SbBool underTheMouse = FALSE;
const SoPickedPoint * pp = this->getPickedPoint(action);
SoFullPath *pPath = (pp != NULL) ? (SoFullPath *) pp->getPath() : NULL;
if (pPath && pPath->containsPath(action->getCurPath())) {
// Make sure I'm the lowest LocHL in the pick path!
underTheMouse = TRUE;
for (int i = 0; i < pPath->getLength(); i++) {
SoNode *node = pPath->getNodeFromTail(i);
if (node->isOfType(SoFCSelection::getClassTypeId())) {
if (node != this)
underTheMouse = FALSE;
break; // found the lowest LocHL - look no further
}
}
}
// Am I currently highlighted?
if (isHighlighted(action)) {
if (! underTheMouse) {
// re-draw the object with it's normal color
//if(mymode != OFF)
redrawHighlighted(action, FALSE);
Gui::Selection().rmvPreselect();
}
else {
action->setHandled();
//const SoPickedPoint * pp = action->getPickedPoint();
Gui::Selection().setPreselectCoord(pp->getPoint()[0]
,pp->getPoint()[1]
,pp->getPoint()[2]);
}
}
// Else I am not currently highlighted
else {
// If under the mouse, then highlight!
if (underTheMouse) {
// draw this object highlighted
if (mymode != OFF)
redrawHighlighted(action, TRUE);
//const SoPickedPoint * pp = action->getPickedPoint();
Gui::Selection().setPreselect(documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString()
,pp->getPoint()[0]
,pp->getPoint()[1]
,pp->getPoint()[2]);
}
}
//if(selected == SELECTED){
// redrawHighlighted(action, TRUE);
//}
//if(selectionCleared ){
// redrawHighlighted(action, FALSE);
// selectionCleared = false;
//}
}
// key press events
else if (event->isOfType(SoKeyboardEvent ::getClassTypeId())) {
SoKeyboardEvent * const e = (SoKeyboardEvent *) event;
if (SoKeyboardEvent::isKeyPressEvent(e,SoKeyboardEvent::LEFT_SHIFT) ||
SoKeyboardEvent::isKeyPressEvent(e,SoKeyboardEvent::RIGHT_SHIFT) )
bShift = true;
if (SoKeyboardEvent::isKeyReleaseEvent(e,SoKeyboardEvent::LEFT_SHIFT) ||
SoKeyboardEvent::isKeyReleaseEvent(e,SoKeyboardEvent::RIGHT_SHIFT) )
bShift = false;
if (SoKeyboardEvent::isKeyPressEvent(e,SoKeyboardEvent::LEFT_CONTROL) ||
SoKeyboardEvent::isKeyPressEvent(e,SoKeyboardEvent::RIGHT_CONTROL) )
bCtrl = true;
if (SoKeyboardEvent::isKeyReleaseEvent(e,SoKeyboardEvent::LEFT_CONTROL) ||
SoKeyboardEvent::isKeyReleaseEvent(e,SoKeyboardEvent::RIGHT_CONTROL) )
bCtrl = false;
}
// mouse press events for (de)selection (only if selection is enabled on this node)
else if (event->isOfType(SoMouseButtonEvent::getClassTypeId()) &&
selectionMode.getValue() == SoFCSelection::SEL_ON) {
SoMouseButtonEvent * const e = (SoMouseButtonEvent *) event;
if (SoMouseButtonEvent::isButtonReleaseEvent(e,SoMouseButtonEvent::BUTTON1)) {
//FIXME: Shouldn't we remove the preselection for newly selected objects?
// Otherwise the tree signals that an object is preselected even though it is hidden. (Werner)
const SoPickedPoint * pp = this->getPickedPoint(action);
if (pp && pp->getPath()->containsPath(action->getCurPath())) {
if (bCtrl) {
if (Gui::Selection().isSelected(documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString())) {
Gui::Selection().rmvSelection(documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString());
}
else {
Gui::Selection().addSelection(documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString()
,pp->getPoint()[0]
,pp->getPoint()[1]
,pp->getPoint()[2]);
if (mymode == OFF) {
snprintf(buf,512,"Selected: %s.%s.%s (%f,%f,%f)",documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString()
,pp->getPoint()[0]
,pp->getPoint()[1]
,pp->getPoint()[2]);
getMainWindow()->statusBar()->showMessage(QString::fromAscii(buf),3000);
}
}
}
else { // Ctrl
if (!Gui::Selection().isSelected(documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString())) {
Gui::Selection().clearSelection(documentName.getValue().getString());
Gui::Selection().addSelection(documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString()
,pp->getPoint()[0]
,pp->getPoint()[1]
,pp->getPoint()[2]);
}
else {
Gui::Selection().clearSelection(documentName.getValue().getString());
Gui::Selection().addSelection(documentName.getValue().getString()
,objectName.getValue().getString()
,0
,pp->getPoint()[0]
,pp->getPoint()[1]
,pp->getPoint()[2]);
}
if (mymode == OFF) {
snprintf(buf,512,"Selected: %s.%s.%s (%f,%f,%f)",documentName.getValue().getString()
,objectName.getValue().getString()
,subElementName.getValue().getString()
,pp->getPoint()[0]
,pp->getPoint()[1]
,pp->getPoint()[2]);
getMainWindow()->statusBar()->showMessage(QString::fromAscii(buf),3000);
}
}
action->setHandled();
} // picked point
} // mouse release
}
// Let the base class traverse the children.
if (action->getGrabber() != this)
inherited::handleEvent(action);
#endif
}
void
SoLineHighlightRenderActionP::drawBoxes(SoPath * pathtothis,
const SoPathList * pathlist)
{
int i;
int thispos = reclassify_cast<SoFullPath *>(pathtothis)->getLength()-1;
assert(thispos >= 0);
this->postprocpath->setHead(pathtothis->getHead()); // reset
for (i = 1; i < thispos; i++) {
this->postprocpath->append(pathtothis->getIndex(i));
}
SoState * state = PUBLIC(this)->getState();
state->push();
// we need to disable accumulation buffer antialiasing while
// rendering selected objects
int oldnumpasses = PUBLIC(this)->getNumPasses();
PUBLIC(this)->setNumPasses(1);
SoLazyElement::setLightModel(state, SoLazyElement::BASE_COLOR);
SoColorPacker ** cptr = static_cast<SoColorPacker **>(this->colorpacker_storage.get());
SoLazyElement::setDiffuse(state, pathtothis->getHead(), 1, &this->color, *cptr);
// FIXME: we should check this versus the actual max line width
// supported by the underlying OpenGL context. 20050610 mortene.
SoLineWidthElement::set(state, this->linewidth);
SoLinePatternElement::set(state, this->linepattern);
SoTextureQualityElement::set(state, 0.0f);
SoDrawStyleElement::set(state, SoDrawStyleElement::LINES);
SoPolygonOffsetElement::set(state, NULL, -1.0f, -1.0f, SoPolygonOffsetElement::LINES, TRUE);
SoMaterialBindingElement::set(state, NULL, SoMaterialBindingElement::OVERALL);
SoNormalElement::set(state, NULL, 0, NULL, FALSE);
SoOverrideElement::setNormalVectorOverride(state, NULL, TRUE);
SoOverrideElement::setMaterialBindingOverride(state, NULL, TRUE);
SoOverrideElement::setLightModelOverride(state, NULL, TRUE);
SoOverrideElement::setDiffuseColorOverride(state, NULL, TRUE);
SoOverrideElement::setLineWidthOverride(state, NULL, TRUE);
SoOverrideElement::setLinePatternOverride(state, NULL, TRUE);
SoOverrideElement::setDrawStyleOverride(state, NULL, TRUE);
SoOverrideElement::setPolygonOffsetOverride(state, NULL, TRUE);
SoTextureOverrideElement::setQualityOverride(state, TRUE);
for (i = 0; i < pathlist->getLength(); i++) {
SoFullPath * path = reclassify_cast<SoFullPath *>((*pathlist)[i]);
this->postprocpath->append(path->getHead());
for (int j = 1; j < path->getLength(); j++) {
this->postprocpath->append(path->getIndex(j));
}
PUBLIC(this)->SoGLRenderAction::apply(this->postprocpath);
this->postprocpath->truncate(thispos);
}
PUBLIC(this)->setNumPasses(oldnumpasses);
state->pop();
}
void
Scene::load(const ::std::string& filename, const bool& doBoundingBoxPoints, const bool& doPoints)
{
::rl::xml::DomParser parser;
::rl::xml::Document doc = parser.readFile(filename, "", XML_PARSE_NOENT | XML_PARSE_XINCLUDE);
doc.substitute(XML_PARSE_NOENT | XML_PARSE_XINCLUDE);
::rl::xml::Path path(doc);
::rl::xml::Object scenes = path.eval("//scene");
for (int i = 0; i < ::std::min(1, scenes.getNodeNr()); ++i)
{
SoInput input;
if (!input.openFile(scenes.getNodeTab(i).getLocalPath(scenes.getNodeTab(i).getAttribute("href").getValue()).c_str() ,true))
{
throw Exception("::rl::sg::Scene::load() - failed to open file");
}
SoVRMLGroup* root = SoDB::readAllVRML(&input);
if (NULL == root)
{
throw Exception("::rl::sg::Scene::load() - failed to read file");
}
SbViewportRegion viewportRegion;
root->ref();
// model
::rl::xml::Object models = path.eval("model", scenes.getNodeTab(i));
for (int j = 0; j < models.getNodeNr(); ++j)
{
SoSearchAction modelSearchAction;
modelSearchAction.setName(models.getNodeTab(j).getAttribute("name").getValue().c_str());
modelSearchAction.apply(root);
if (NULL == modelSearchAction.getPath())
{
continue;
}
Model* model = this->create();
model->setName(models.getNodeTab(j).getAttribute("name").getValue());
// body
::rl::xml::Object bodies = path.eval("body", models.getNodeTab(j));
for (int k = 0; k < bodies.getNodeNr(); ++k)
{
SoSearchAction bodySearchAction;
bodySearchAction.setName(bodies.getNodeTab(k).getAttribute("name").getValue().c_str());
bodySearchAction.apply(static_cast< SoFullPath* >(modelSearchAction.getPath())->getTail());
if (NULL == bodySearchAction.getPath())
{
continue;
}
Body* body = model->create();
body->setName(bodies.getNodeTab(k).getAttribute("name").getValue());
SoSearchAction pathSearchAction;
pathSearchAction.setNode(static_cast< SoFullPath* >(bodySearchAction.getPath())->getTail());
pathSearchAction.apply(root);
SoGetMatrixAction bodyGetMatrixAction(viewportRegion);
bodyGetMatrixAction.apply(static_cast< SoFullPath* >(pathSearchAction.getPath()));
SbMatrix bodyMatrix = bodyGetMatrixAction.getMatrix();
if (!this->isScalingSupported)
{
SbVec3f bodyTranslation;
SbRotation bodyRotation;
SbVec3f bodyScaleFactor;
SbRotation bodyScaleOrientation;
SbVec3f bodyCenter;
bodyMatrix.getTransform(bodyTranslation, bodyRotation, bodyScaleFactor, bodyScaleOrientation, bodyCenter);
for (int l = 0; l < 3; ++l)
{
if (::std::abs(bodyScaleFactor[l] - 1.0f) > 1.0e-6f)
{
throw Exception("::rl::sg::Scene::load() - bodyScaleFactor not supported");
}
}
}
::rl::math::Transform frame;
for (int m = 0; m < 4; ++m)
{
for (int n = 0; n < 4; ++n)
{
frame(m, n) = bodyMatrix[n][m];
}
}
body->setFrame(frame);
if (static_cast< SoFullPath* >(bodySearchAction.getPath())->getTail()->isOfType(SoVRMLTransform::getClassTypeId()))
{
SoVRMLTransform* bodyVrmlTransform = static_cast< SoVRMLTransform* >(static_cast< SoFullPath* >(bodySearchAction.getPath())->getTail());
for (int l = 0; l < 3; ++l)
{
body->center(l) = bodyVrmlTransform->center.getValue()[l];
}
}
SoPathList pathList;
// shape
SoSearchAction shapeSearchAction;
shapeSearchAction.setInterest(SoSearchAction::ALL);
shapeSearchAction.setType(SoVRMLShape::getClassTypeId());
shapeSearchAction.apply(static_cast< SoFullPath* >(bodySearchAction.getPath())->getTail());
for (int l = 0; l < shapeSearchAction.getPaths().getLength(); ++l)
{
SoFullPath* path = static_cast< SoFullPath* >(shapeSearchAction.getPaths()[l]);
if (path->getLength() > 1)
{
path = static_cast< SoFullPath* >(shapeSearchAction.getPaths()[l]->copy(1, static_cast< SoFullPath* >(shapeSearchAction.getPaths()[l])->getLength() - 1));
}
pathList.append(path);
SoGetMatrixAction shapeGetMatrixAction(viewportRegion);
shapeGetMatrixAction.apply(path);
SbMatrix shapeMatrix = shapeGetMatrixAction.getMatrix();
if (!this->isScalingSupported)
{
SbVec3f shapeTranslation;
SbRotation shapeRotation;
SbVec3f shapeScaleFactor;
SbRotation shapeScaleOrientation;
SbVec3f shapeCenter;
shapeMatrix.getTransform(shapeTranslation, shapeRotation, shapeScaleFactor, shapeScaleOrientation, shapeCenter);
for (int m = 0; m < 3; ++m)
{
if (::std::abs(shapeScaleFactor[m] - 1.0f) > 1.0e-6f)
{
throw Exception("::rl::sg::Scene::load() - shapeScaleFactor not supported");
}
}
}
SoVRMLShape* shapeVrmlShape = static_cast< SoVRMLShape* >(static_cast< SoFullPath* >(shapeSearchAction.getPaths()[l])->getTail());
Shape* shape = body->create(shapeVrmlShape);
shape->setName(shapeVrmlShape->getName().getString());
::rl::math::Transform transform;
for (int m = 0; m < 4; ++m)
{
for (int n = 0; n < 4; ++n)
{
transform(m, n) = shapeMatrix[n][m];
}
}
shape->setTransform(transform);
}
// bounding box
if (doBoundingBoxPoints)
{
SoGetBoundingBoxAction getBoundingBoxAction(viewportRegion);
getBoundingBoxAction.apply(pathList);
SbBox3f boundingBox = getBoundingBoxAction.getBoundingBox();
for (int l = 0; l < 3; ++l)
{
body->max(l) = boundingBox.getMax()[l];
body->min(l) = boundingBox.getMin()[l];
}
}
// convex hull
if (doPoints)
{
SoCallbackAction callbackAction;
callbackAction.addTriangleCallback(SoVRMLGeometry::getClassTypeId(), Scene::triangleCallback, &body->points);
callbackAction.apply(pathList);
}
}
}
root->unref();
}
}
//////////////////////////////////////////////////////////////////////////////
//
// beginTraversal - have the base class render the passed scene graph,
// then render highlights for our selection node.
//
void
SoBoxHighlightRenderAction::apply(SoNode *renderRoot)
//
//////////////////////////////////////////////////////////////////////////////
{
// Render the scene
SoGLRenderAction::apply(renderRoot);
// Render the highlight?
if (! hlVisible) return;
// Is our cached path still valid?
if ((selPath == NULL) ||
(selPath->getHead() != renderRoot) ||
(! selPath->getTail()->isOfType(SoSelection::getClassTypeId()))) {
// Find the selection node under the render root
static SoSearchAction *sa1 = NULL;
if (sa1 == NULL)
sa1 = new SoSearchAction;
else
sa1->reset();
sa1->setFind(SoSearchAction::TYPE);
sa1->setInterest(SoSearchAction::FIRST);
sa1->setType(SoSelection::getClassTypeId());
sa1->apply(renderRoot);
// Cache this path
if (selPath != NULL)
selPath->unref();
selPath = sa1->getPath();
if (selPath != NULL) {
selPath = selPath->copy();
selPath->ref();
}
}
if (selPath != NULL) {
// Make sure something is selected
SoSelection *sel = (SoSelection *) selPath->getTail();
if (sel->getNumSelected() == 0) return;
// Keep the length from the root to the selection
// as an optimization so we can reuse this data
int reusablePathLength = selPath->getLength();
// For each selection path, create a new path rooted under our
// localRoot
for (int j = 0; j < sel->getNumSelected(); j++) {
// Continue the path down to the selected object.
// No need to deal with p[0] since that is the sel node.
SoFullPath *p = (SoFullPath *) sel->getPath(j);
SoNode *pathTail = p->getTail();
if ( pathTail->isOfType(SoBaseKit::getClassTypeId())) {
// Find the last nodekit on the path.
SoNode *kitTail = ((SoNodeKitPath *)p)->getTail();
// Extend the selectionPath until it reaches this last kit.
SoFullPath *fp = (SoFullPath *) p;
int k = 0;
do {
selPath->append(fp->getIndex(++k));
}
while ( fp->getNode(k) != kitTail );
}
else {
for (int k = 1; k < p->getLength(); k++)
selPath->append(p->getIndex(k));
}
// Find the camera used to render the selected object and
// insert it into the highlight graph as the first child
SoNode *camera;
static SoSearchAction *sa2 = NULL;
if (sa2 == NULL)
sa2 = new SoSearchAction;
else
sa2->reset();
sa2->setFind(SoSearchAction::TYPE);
sa2->setInterest(SoSearchAction::LAST);
sa2->setType(SoCamera::getClassTypeId());
sa2->apply(selPath);
camera =(sa2->getPath() == NULL ? NULL : sa2->getPath()->getTail());
if (camera != NULL)
localRoot->insertChild(camera, 0);
// Get the bounding box of the object and update the
// local highlight graph
updateBbox(selPath);
// Make sure the box has some size
if ((cube->width.getValue() == 0) &&
(cube->height.getValue() == 0) &&
(cube->depth.getValue() == 0)) {
#ifdef DEBUG
SoDebugError::postWarning("SoBoxHighlightRenderAction::apply",
"selected object has no bounding box - no highlight rendered");
#endif
}
else {
// Render the highlight
SoGLRenderAction::apply(localRoot);
}
// Restore selPath for reuse
selPath->truncate(reusablePathLength);
// Remove the camera for the next path
if (camera != NULL)
localRoot->removeChild(0);
}
}
}