void
countPrimitives(SoNode *root, int32_t &numTris, int32_t &numLines, int32_t &numPoints,
int32_t &numNodes)
//
////////////////////////////////////////////////////////////////////////
{
numTris = 0;
numLines = 0;
numPoints = 0;
numNodes = 0;
SoCallbackAction ca;
ca.addPointCallback(SoShape::getClassTypeId(),
countPointsCB,
(void *) &numPoints);
ca.addLineSegmentCallback(SoShape::getClassTypeId(),
countLinesCB,
(void *) &numLines);
ca.addTriangleCallback(SoShape::getClassTypeId(),
countTriangleCB,
(void *) &numTris);
ca.addPreCallback( SoNode::getClassTypeId(),
countNodesCB, (void *)&numNodes
);
ca.apply(root);
}
void
IfReporter::reportNodeCount(const char *msg, SoNode *root)
{
if (! verbose)
return;
int nodeCount = 0;
SoCallbackAction cba;
cba.addPreCallback(SoNode::getClassTypeId(), countCB, &nodeCount);
cba.apply(root);
fprintf(fp, "%s: %d nodes\n", msg, nodeCount);
}
OSUInventorScene::OSUInventorScene(char *filename) {
SoSeparator *root = ReadScene(filename);
int numNodes = 0;
SoCallbackAction ca;
SoSearchAction SA;
SA.setType(SoLight::getClassTypeId(), TRUE);
SA.setInterest(SoSearchAction::ALL);
SA.apply(root);
SoPathList &paths = SA.getPaths();
#ifdef DEBUG
cerr << "There are " << paths.getLength() << " lights " << endl;
#endif
int i;
for (i = 0; i < paths.getLength(); i++) {
Lights.append(paths[i]->getTail()->copy());
}
SA.setType(SoCamera::getClassTypeId(), TRUE);
SA.setInterest(SoSearchAction::FIRST);
SA.apply(root);
if (SA.getPath()) {
Camera = (SoCamera *)SA.getPath()->getTail()->copy();
#ifdef DEBUG
cerr << "Found a camera!\n";
#endif
} else
Camera = NULL;
ca.addPreCallback(SoNode::getClassTypeId(), processNodesCB, (void *)
&Objects);
ca.apply(root);
// Now lets find the lights and camera!
//
#ifdef DEBUG
cerr << "There are " << Objects.getLength() << " shape objects left!\n";
#endif
}
