FGFS-4.1/OpenSceneGraph
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Added s/getEventCallback support into osg::Node, and an EVENT_VISITOR

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type into NodeVisitor.
This commit is contained in:
Robert Osfield
2004-10-24 13:51:44 +00:00
parent 052b256267
commit 63e4587a88
4 changed files with 149 additions and 10 deletions
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59
src/osg/Group.cpp
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@@ -111,6 +111,16 @@ bool Group::insertChild( unsigned int index, Node *child )
);
}
// could now require app traversal thanks to the new subgraph,
// so need to check and update if required.
if (child->getNumChildrenRequiringEventTraversal()>0 ||
child->getEventCallback())
{
setNumChildrenRequiringEventTraversal(
getNumChildrenRequiringEventTraversal()+1
);
}
// could now require disabling of culling thanks to the new subgraph,
// so need to check and update if required.
if (child->getNumChildrenWithCullingDisabled()>0 ||
@@ -151,7 +161,8 @@ bool Group::removeChild(unsigned int pos,unsigned int numChildrenToRemove)
endOfRemoveRange=_children.size();
}
unsigned int appCallbackRemoved = 0;
unsigned int updateCallbackRemoved = 0;
unsigned int eventCallbackRemoved = 0;
unsigned int numChildrenWithCullingDisabledRemoved = 0;
unsigned int numChildrenWithOccludersRemoved = 0;
@@ -161,7 +172,9 @@ bool Group::removeChild(unsigned int pos,unsigned int numChildrenToRemove)
// remove this Geode from the child parent list.
child->removeParent(this);
if (child->getNumChildrenRequiringUpdateTraversal()>0 || child->getUpdateCallback()) ++appCallbackRemoved;
if (child->getNumChildrenRequiringUpdateTraversal()>0 || child->getUpdateCallback()) ++updateCallbackRemoved;
if (child->getNumChildrenRequiringEventTraversal()>0 || child->getEventCallback()) ++eventCallbackRemoved;
if (child->getNumChildrenWithCullingDisabled()>0 || !child->getCullingActive()) ++numChildrenWithCullingDisabledRemoved;
@@ -173,11 +186,16 @@ bool Group::removeChild(unsigned int pos,unsigned int numChildrenToRemove)
childRemoved(pos,endOfRemoveRange-pos);
if (appCallbackRemoved)
if (updateCallbackRemoved)
{
setNumChildrenRequiringUpdateTraversal(getNumChildrenRequiringUpdateTraversal()-appCallbackRemoved);
setNumChildrenRequiringUpdateTraversal(getNumChildrenRequiringUpdateTraversal()-updateCallbackRemoved);
}
if (eventCallbackRemoved)
{
setNumChildrenRequiringEventTraversal(getNumChildrenRequiringEventTraversal()-eventCallbackRemoved);
}
if (numChildrenWithCullingDisabledRemoved)
{
setNumChildrenWithCullingDisabled(getNumChildrenWithCullingDisabled()-numChildrenWithCullingDisabledRemoved);
@@ -229,24 +247,45 @@ bool Group::setChild( unsigned int i, Node* newNode )
dirtyBound();
// could now require app traversal thanks to the new subgraph,
// could now require update traversal thanks to the new subgraph,
// so need to check and update if required.
int delta_numChildrenRequiringAppTraversal = 0;
int delta_numChildrenRequiringUpdateTraversal = 0;
if (origNode->getNumChildrenRequiringUpdateTraversal()>0 ||
origNode->getUpdateCallback())
{
--delta_numChildrenRequiringAppTraversal;
--delta_numChildrenRequiringUpdateTraversal;
}
if (newNode->getNumChildrenRequiringUpdateTraversal()>0 ||
newNode->getUpdateCallback())
{
++delta_numChildrenRequiringAppTraversal;
++delta_numChildrenRequiringUpdateTraversal;
}
if (delta_numChildrenRequiringAppTraversal!=0)
if (delta_numChildrenRequiringUpdateTraversal!=0)
{
setNumChildrenRequiringUpdateTraversal(
getNumChildrenRequiringUpdateTraversal()+delta_numChildrenRequiringAppTraversal
getNumChildrenRequiringUpdateTraversal()+delta_numChildrenRequiringUpdateTraversal
);
}
// could now require event traversal thanks to the new subgraph,
// so need to check and Event if required.
int delta_numChildrenRequiringEventTraversal = 0;
if (origNode->getNumChildrenRequiringEventTraversal()>0 ||
origNode->getEventCallback())
{
--delta_numChildrenRequiringEventTraversal;
}
if (newNode->getNumChildrenRequiringEventTraversal()>0 ||
newNode->getEventCallback())
{
++delta_numChildrenRequiringEventTraversal;
}
if (delta_numChildrenRequiringEventTraversal!=0)
{
setNumChildrenRequiringEventTraversal(
getNumChildrenRequiringEventTraversal()+delta_numChildrenRequiringEventTraversal
);
}