FGFS-4.1/OpenSceneGraph
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Added traversal of salve camera subgraphs when the slave camera doesn't share it's scene graph wiht the View's master scene graph.

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This commit is contained in:
Robert Osfield
2010-11-09 17:17:13 +00:00
parent ae27b4caaf
commit 5868022ca1
2 changed files with 71 additions and 9 deletions
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42
src/osgViewer/Viewer.cpp
View File

@@ -881,7 +881,19 @@ void Viewer::eventTraversal()
getSceneData()->accept(*_eventVisitor);
// call any camera update callbacks, but only traverse that callback, don't traverse its subgraph
// Do EventTraversal for slaves with their own subgraph
for(unsigned int i=0; i<getNumSlaves(); ++i)
{
osg::View::Slave& slave = getSlave(i);
osg::Camera* camera = slave._camera.get();
if(camera && !slave._useMastersSceneData)
{
camera->accept(*_eventVisitor);
}
}
// call any camera event callbacks, but only traverse that callback, don't traverse its subgraph
// leave that to the scene update traversal.
osg::NodeVisitor::TraversalMode tm = _eventVisitor->getTraversalMode();
_eventVisitor->setTraversalMode(osg::NodeVisitor::TRAVERSE_NONE);
@@ -890,8 +902,12 @@ void Viewer::eventTraversal()
for(unsigned int i=0; i<getNumSlaves(); ++i)
{
osg::Camera* camera = getSlave(i)._camera.get();
if (camera && camera->getEventCallback()) camera->accept(*_eventVisitor);
osg::View::Slave& slave = getSlave(i);
osg::Camera* camera = slave._camera.get();
if (camera && slave._useMastersSceneData && camera->getEventCallback())
{
camera->accept(*_eventVisitor);
}
}
_eventVisitor->setTraversalMode(tm);
@@ -970,6 +986,18 @@ void Viewer::updateTraversal()
_incrementalCompileOperation->mergeCompiledSubgraphs();
}
{
// Do UpdateTraversal for slaves with their own subgraph
for(unsigned int i=0; i<getNumSlaves(); ++i)
{
osg::View::Slave& slave = getSlave(i);
osg::Camera* camera = slave._camera.get();
if(camera && !slave._useMastersSceneData)
{
camera->accept(*_updateVisitor);
}
}
}
{
// call any camera update callbacks, but only traverse that callback, don't traverse its subgraph
@@ -981,8 +1009,12 @@ void Viewer::updateTraversal()
for(unsigned int i=0; i<getNumSlaves(); ++i)
{
osg::Camera* camera = getSlave(i)._camera.get();
if (camera && camera->getUpdateCallback()) camera->accept(*_updateVisitor);
osg::View::Slave& slave = getSlave(i);
osg::Camera* camera = slave._camera.get();
if (camera && slave._useMastersSceneData && camera->getUpdateCallback())
{
camera->accept(*_updateVisitor);
}
}
_updateVisitor->setTraversalMode(tm);