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Refactored Observer/ObserverNodePath and DatabasePager to improve their robustness.

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This commit is contained in:
Robert Osfield
2010-05-14 12:24:13 +00:00
parent 2b2ea4487a
commit 554adfc8e6
5 changed files with 88 additions and 151 deletions
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21
include/osgDB/DatabasePager
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@@ -345,28 +345,9 @@ class OSGDB_EXPORT DatabasePager : public osg::NodeVisitor::DatabaseRequestHandl
struct RequestQueue;
struct PagedLODObserver : public osg::observer_ptr<osg::PagedLOD>
{
typedef osg::observer_ptr<osg::PagedLOD> BaseClass;
PagedLODObserver(osg::PagedLOD* plod):BaseClass(plod) {}
PagedLODObserver(const PagedLODObserver& plodObserver):BaseClass(plodObserver) {}
PagedLODObserver& operator = (const PagedLODObserver& rhs)
{
(*static_cast<BaseClass*>(this)) = rhs;
return *this;
}
virtual void objectDeleted(void* ptr)
{
BaseClass::objectDeleted(ptr);
}
};
typedef osg::observer_ptr<osg::PagedLOD> PagedLODObserver;
typedef std::list< PagedLODObserver > PagedLODList;
struct DatabaseRequest : public osg::Referenced
{
DatabaseRequest():