FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Refactored Callback system in osg::Node, osg::Drawable, osg::StateSet and osg::StateAttribute to use a new osg::Callback base class.

Browse Source 
git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14244 16af8721-9629-0410-8352-f15c8da7e697
This commit is contained in:
Robert Osfield
2014-06-05 16:26:13 +00:00
parent 35d6cb812f
commit 977ec20751
64 changed files with 590 additions and 471 deletions
Download Patch File Download Diff File Expand all files Collapse all files

53
include/osgGA/EventVisitor
View File

@@ -24,6 +24,7 @@
#include <osg/Transform>
#include <osg/Projection>
#include <osg/OccluderNode>
#include <osg/ScriptEngine>
#include <osgGA/GUIEventAdapter>
#include <osgGA/GUIActionAdapter>
@@ -68,8 +69,27 @@ class OSGGA_EXPORT EventVisitor : public osg::NodeVisitor
/** During traversal each type of node calls its callbacks and its children traversed. */
virtual void apply(osg::Node& node) { handle_callbacks_and_traverse(node); }
virtual void apply(osg::Geode& node) { handle_geode_callbacks(node); }
virtual void apply(osg::Billboard& node) { handle_geode_callbacks(node); }
virtual void apply(osg::Drawable& drawable)
{
osg::Callback* callback = drawable.getEventCallback();
if (callback)
{
osg::Drawable::UpdateCallback* drawable_callback = dynamic_cast<osg::Drawable::UpdateCallback*>(callback);
osg::NodeCallback* node_callback = dynamic_cast<osg::NodeCallback*>(callback);
osg::CallbackObject* callback_object = dynamic_cast<osg::CallbackObject*>(callback);
if (drawable_callback) drawable_callback->update(this,&drawable);
if (node_callback) (*node_callback)(&drawable, this);
if ((!drawable_callback && !node_callback) || callback_object) callback_object->run(&drawable, this);
}
handle_callbacks(drawable.getStateSet());
}
virtual void apply(osg::Geode& node) { handle_callbacks_and_traverse(node); }
virtual void apply(osg::Billboard& node) { handle_callbacks_and_traverse(node); }
virtual void apply(osg::LightSource& node) { handle_callbacks_and_traverse(node); }
@@ -98,34 +118,11 @@ class OSGGA_EXPORT EventVisitor : public osg::NodeVisitor
{
handle_callbacks(node.getStateSet());
osg::NodeCallback* callback = node.getEventCallback();
if (callback) (*callback)(&node,this);
else if (node.getNumChildrenRequiringEventTraversal()>0) traverse(node);
osg::Callback* callback = node.getEventCallback();
if (callback) callback->run(&node,this);
else if (node.getNumChildrenRequiringUpdateTraversal()>0) traverse(node);
}
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)*/
traverseGeode(node);
}
inline void traverseGeode(osg::Geode& geode)
{
traverse((osg::Node&)geode);
// Call the app callbacks on the drawables.
for(unsigned int i=0;i<geode.getNumDrawables();++i)
{
osg::Drawable::EventCallback* callback = geode.getDrawable(i)->getEventCallback();
if (callback) callback->event(this,geode.getDrawable(i));
handle_callbacks(geode.getDrawable(i)->getStateSet());
}
}
osgGA::GUIActionAdapter* _actionAdapter;