FGFS-4.1/OpenSceneGraph
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Improved the speed of the ValueObject get/setting by utilizing typeid() and static_cast<> in place of original dynamic_cast<>'s

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This commit is contained in:
Robert Osfield
2016-02-04 13:10:28 +00:00
parent d8d37e3da7
commit b4eb8d4597
3 changed files with 83 additions and 9 deletions
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72
include/osg/ValueObject
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@@ -19,6 +19,8 @@
#include <osg/BoundingBox>
#include <osg/BoundingSphere>
#include <typeinfo>
namespace osg {
// forward declare core OSG math classes
@@ -126,6 +128,10 @@ class TemplateValueObject : public ValueObject
ValueObject(),
_value() {}
TemplateValueObject(const T& value) :
ValueObject(),
_value(value) {}
TemplateValueObject(const std::string& name, const T& value) :
ValueObject(name),
_value(value) {}
@@ -189,12 +195,15 @@ bool osg::Object::getUserValue(const std::string& name, T& value) const
{
typedef TemplateValueObject<T> UserValueObject;
const osg::UserDataContainer* udc = dynamic_cast<const osg::UserDataContainer*>(this);
const osg::UserDataContainer* udc = asUserDataContainer();
if (!udc) udc = _userDataContainer;
const UserValueObject* uvo = udc ? dynamic_cast<const UserValueObject*>(udc->getUserObject(name)) : 0;
if (uvo)
if (!udc) return false;
const Object* obj = udc->getUserObject(name);
if (obj && typeid(*obj)==typeid(UserValueObject))
{
const UserValueObject* uvo = static_cast<const UserValueObject*>(obj);
value = uvo->getValue();
return true;
}
@@ -210,7 +219,7 @@ void osg::Object::setUserValue(const std::string& name, const T& value)
{
typedef TemplateValueObject<T> UserValueObject;
osg::UserDataContainer* udc = dynamic_cast<osg::UserDataContainer*>(this);
osg::UserDataContainer* udc = asUserDataContainer();
if (!udc)
{
getOrCreateUserDataContainer();
@@ -218,11 +227,62 @@ void osg::Object::setUserValue(const std::string& name, const T& value)
}
unsigned int i = udc->getUserObjectIndex(name);
if (i<udc->getNumUserObjects()) udc->setUserObject(i, new UserValueObject(name,value));
else udc->addUserObject(new UserValueObject(name,value));
if (i<udc->getNumUserObjects())
{
Object* obj = udc->getUserObject(i);
if (typeid(*obj)==typeid(UserValueObject))
{
UserValueObject* uvo = static_cast<UserValueObject*>(obj);
uvo->setValue(value);
}
else
{
udc->setUserObject(i, new UserValueObject(name, value));
}
}
else
{
udc->addUserObject(new UserValueObject(name,value));
}
}
template<class P, class T>
T* getOrCreateUserObjectOfType(P* parent)
{
T* object=0;
const char* name = typeid(T).name();
osg::UserDataContainer* udc = parent->getOrCreateUserDataContainer();
unsigned int index = udc->getUserObjectIndex(name);
if (index<udc->getNumUserObjects())
{
osg::Object* userObject = udc->getUserObject(index);
if (typeid(*userObject)==typeid(T))
{
object = static_cast<T*>(userObject);
// OSG_NOTICE<<"Reusing "<<name<<std::endl;
}
else
{
// OSG_NOTICE<<"Replacing "<<name<<", original object "<<userObject->className()<<std::endl;
object = new T;
object->setName(name);
udc->setUserObject(index, object);
}
}
else
{
object = new T;
object->setName(name);
udc->addUserObject(object);
// OSG_NOTICE<<"Creating new "<<name<<std::endl;
}
return object;
}
}
#endif