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Futher work on adding event and update callbacks to StateSet, Uniform and StateAttributes

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This commit is contained in:
Robert Osfield
2005-04-25 11:05:02 +00:00
parent 193c83cb9c
commit bc83e63bb4
8 changed files with 220 additions and 30 deletions
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14
include/osgGA/EventVisitor
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@@ -93,8 +93,18 @@ class OSGGA_EXPORT EventVisitor : public osg::NodeVisitor
/** Prevent unwanted copy operator.*/
EventVisitor& operator = (const EventVisitor&) { return *this; }
inline void handle_callbacks(osg::StateSet* stateset)
{
if (stateset && stateset->requiresEventTraversal())
{
stateset->runEventCallbacks(this);
}
}
inline void handle_callbacks_and_traverse(osg::Node& node)
{
handle_callbacks(node.getStateSet());
osg::NodeCallback* callback = node.getEventCallback();
if (callback) (*callback)(&node,this);
else if (node.getNumChildrenRequiringEventTraversal()>0) traverse(node);
@@ -102,6 +112,8 @@ class OSGGA_EXPORT EventVisitor : public osg::NodeVisitor
inline void handle_geode_callbacks(osg::Geode& node)
{
handle_callbacks(node.getStateSet());
osg::NodeCallback* callback = node.getEventCallback();
if (callback) (*callback)(&node,this);
/*else if (node.getNumChildrenRequiringEventTraversal()>0)*/
@@ -117,6 +129,8 @@ class OSGGA_EXPORT EventVisitor : public osg::NodeVisitor
{
osg::Drawable::EventCallback* callback = geode.getDrawable(i)->getEventCallback();
if (callback) callback->event(this,geode.getDrawable(i));
handle_callbacks(geode.getDrawable(i)->getStateSet());
}
}