void
SoUnknownEngine::copyContents(const SoFieldContainer *fromFC,
SbBool copyConnections)
//
////////////////////////////////////////////////////////////////////////
{
// Make sure the copy has the correct class name
const SoUnknownEngine *fromUnk = (const SoUnknownEngine *) fromFC;
setClassName(fromUnk->className);
// For each input in the original engine, create a new input and add
// it to the new engine
// NOTE: We can't use SoEngine::copyContents() to copy the field
// data, since that uses SoFieldData::overlay(), which assumes the
// fields have the same offsets in both engines. Instead, we just
// copy the field values ourselves.
const SoFieldData *fromData = fromUnk->getFieldData();
SoFieldData *toData = (SoFieldData *) getFieldData();
int i;
for (i = 0; i < fromData->getNumFields(); i++) {
SoField *fromField = fromData->getField(fromUnk, i);
const SbName fieldName = fromData->getFieldName(i);
SoType fieldType = fromField->getTypeId();
SoField *toField = (SoField *) (fieldType.createInstance());
toField->enableNotify(FALSE);
toField->setContainer(this);
toField->setDefault(TRUE);
toField->enableNotify(TRUE);
toData->addField(this, fieldName.getString(), toField);
toField->setContainer(this);
toField->copyFrom(*fromField);
toField->setIgnored(fromField->isIgnored());
toField->setDefault(fromField->isDefault());
toField->fixCopy(copyConnections);
if (fromField->isConnected() && copyConnections)
toField->copyConnection(fromField);
}
// Copy the outputs
SoEngineOutputData *toOutData = (SoEngineOutputData *) getOutputData();
SoEngineOutputList outList;
fromUnk->getOutputs(outList);
for(i = 0; i < outList.getLength(); i++) {
SoEngineOutput *newOut = new SoEngineOutput;
const SoType outType = outList[i]->getConnectionType();
SbName outName;
getOutputName( outList[i], outName );
toOutData->addOutput(this, outName.getString(), newOut, outType);
newOut->setContainer(this);
}
}
void
SoUnknownNode::createFromIsA(SoMFString *isA)
//
////////////////////////////////////////////////////////////////////////
{
for (int i = 0; i < isA->getNum(); i++) {
SoType t = SoType::fromName((*isA)[i]);
if (t.canCreateInstance() &&
t.isDerivedFrom(SoNode::getClassTypeId())) {
SoNode *alternateRep = (SoNode *)t.createInstance();
alternateRep->ref();
#ifdef DEBUG
if (alternateRep == NULL) {
SoDebugError::post("SoUnknownNode::createFromIsA",
"SoType.createInstance returned "
"NULL (type %s)",
t.getName().getString());
return;
}
#endif
// Copy over all fields that are shared:
int num = instanceFieldData->getNumFields();
for (int j=0; j<num; j++) {
const SbName &fieldName = instanceFieldData->getFieldName(j);
SoField *f = instanceFieldData->getField(this, j);
// Don't copy over fields with default values:
if (f->isDefault()) continue;
SoField *nf = alternateRep->getField(fieldName);
if (nf != NULL && nf->getTypeId() == f->getTypeId()) {
nf->copyFrom(*f);
if (f->isConnectedFromField()) {
SoField *cf;
f->getConnectedField(cf);
nf->connectFrom(cf);
} else if (f->isConnectedFromEngine()) {
SoEngineOutput *eo;
f->getConnectedEngine(eo);
nf->connectFrom(eo);
}
}
}
// And if alternateRep is a group, copy over hidden
// children:
if (alternateRep->isOfType(SoGroup::getClassTypeId())) {
SoGroup *g = (SoGroup *)alternateRep;
for (int kid = 0; kid < hiddenChildren.getLength();
kid++) {
g->addChild(hiddenChildren[kid]);
}
}
addChild(alternateRep);
return;
}
}
}
void
SoUnknownNode::copyContents(const SoFieldContainer *fromFC,
SbBool copyConnections)
//
////////////////////////////////////////////////////////////////////////
{
// Make sure the copy has the correct class name
const SoUnknownNode *fromUnk = (const SoUnknownNode *) fromFC;
setClassName(fromUnk->className);
// For each field in the original node, create a new field and add
// it to the new node
// NOTE: We can't use SoNode::copyContents() to copy the field
// data, since that uses SoFieldData::overlay(), which assumes the
// fields have the same offsets in both nodes. Instead, we just
// copy the field values ourselves.
const SoFieldData *fromData = fromUnk->getFieldData();
SoFieldData *toData = (SoFieldData *) getFieldData();
int i;
for (i = 0; i < fromData->getNumFields(); i++) {
SoField *fromField = fromData->getField(fromUnk, i);
const SbName fieldName = fromData->getFieldName(i);
SoType fieldType = fromField->getTypeId();
SoField *toField = (SoField *) (fieldType.createInstance());
toField->enableNotify(FALSE);
toField->setContainer(this);
toField->setDefault(TRUE);
toField->enableNotify(TRUE);
toData->addField(this, fieldName.getString(), toField);
toField->setContainer(this);
toField->copyFrom(*fromField);
toField->setIgnored(fromField->isIgnored());
toField->setDefault(fromField->isDefault());
toField->fixCopy(copyConnections);
if (fromField->isConnected() && copyConnections)
toField->copyConnection(fromField);
}
// Copy the kids
for (i = 0; i < fromUnk->hiddenChildren.getLength(); i++) {
// If this node is being copied, it must be "inside" (see
// SoNode::copy() for details.) Therefore, all of its children
// must be inside, as well, since our addToCopyDict() takes
// care of that.
SoNode *fromKid = fromUnk->getChild(i);
SoNode *kidCopy = (SoNode *) findCopy(fromKid, copyConnections);
#ifdef DEBUG
if (kidCopy == NULL)
SoDebugError::post("(internal) SoUnknownNode::copyContents",
"Child %d has not been copied yet", i);
#endif /* DEBUG */
hiddenChildren.append(kidCopy);
}
// No need to copy the override flag, since this flag will have no
// effect on an unknown node, and it is not read from or written
// to files.
}