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

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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
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53
include/osg/ScriptEngine
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@@ -15,20 +15,16 @@
#define OSG_SCRIPTENGINE 1
#include <osg/Object>
#include <osg/NodeCallback>
#include <osg/Callback>
#include <osg/NodeVisitor>
#include <osg/UserDataContainer>
namespace osg
{
typedef std::vector< osg::ref_ptr<osg::Object> > Parameters;
// forward declare
class ScriptEngine;
/* Script class for wrapping a script and the language used in the script.*/
class Script : public osg::Object
{
@@ -57,53 +53,6 @@ class Script : public osg::Object
unsigned int _modifiedCount;
};
/** Callback for attaching a script to a Node's via there UserDataContainer for the purpose of overriding class methods within scripts.*/
class OSG_EXPORT CallbackObject : public osg::Object
{
public:
CallbackObject() {}
CallbackObject(const std::string& name) { setName(name); }
CallbackObject(const CallbackObject& rhs, const osg::CopyOp copyop=osg::CopyOp::SHALLOW_COPY):osg::Object(rhs,copyop) {}
META_Object(osg, CallbackObject);
inline bool run(osg::Object* object) const
{
osg::Parameters inputParameters;
osg::Parameters outputParameters;
return run(object, inputParameters, outputParameters);
}
virtual bool run(osg::Object* object, osg::Parameters& inputParameters, osg::Parameters& outputParameters) const;
};
/** Convinience function for getting the CallbackObject associated with specificed name from an Object's UserDataContainer.*/
inline CallbackObject* getCallbackObject(osg::Object* object, const std::string& name)
{
osg::UserDataContainer* udc = object->getUserDataContainer();
return udc ? dynamic_cast<osg::CallbackObject*>(udc->getUserObject(name)) : 0;
}
/** Call run(..) on named CallbackObjects attached to specified Object. Return true if at least one CallbackObject has been successfully invoked.*/
inline bool runNamedCallbackObjects(osg::Object* object, const std::string& name, osg::Parameters& inputParameters, osg::Parameters& outputParameters)
{
bool result = false;
osg::UserDataContainer* udc = object->getUserDataContainer();
if (udc)
{
for(unsigned int i = 0; i<udc->getNumUserObjects(); ++i)
{
osg::Object* obj = udc->getUserObject(i);
if (obj && obj->getName()==name)
{
osg::CallbackObject* co = dynamic_cast<osg::CallbackObject*>(obj);
if (co) result = co->run(object, inputParameters, outputParameters) | result;
}
}
}
return result;
}
/** NodeCallback for attaching a script to a NodeCallback so that it can be called as an update or event callback.*/
class OSG_EXPORT ScriptNodeCallback : public osg::NodeCallback