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From Cedric Pinson, "Here a patch to be able to clone stateattribute, in order to do that i

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moved the StateAttribute::Callback structure to a file
StateAttributeCallback with the same behavior as NodeCallback.
"
This commit is contained in:
Robert Osfield
2009-10-22 10:33:16 +00:00
parent 8efd251b10
commit 2d38e187fd
10 changed files with 51 additions and 37 deletions
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5
include/osg/CopyOp
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@@ -24,6 +24,7 @@ class Image;
class Texture;
class StateSet;
class StateAttribute;
class StateAttributeCallback;
class Uniform;
class Node;
class Drawable;
@@ -32,6 +33,7 @@ class PrimitiveSet;
class Shape;
class NodeCallback;
/** Copy Op(erator) used to control whether shallow or deep copy is used
* during copy construction and clone operation.*/
class OSG_EXPORT CopyOp
@@ -53,7 +55,7 @@ class OSG_EXPORT CopyOp
DEEP_COPY_PRIMITIVES = 1<<8,
DEEP_COPY_SHAPES = 1<<9,
DEEP_COPY_UNIFORMS = 1<<10,
DEEP_COPY_NODECALLBACKS = 1<<11,
DEEP_COPY_CALLBACKS = 1<<11,
DEEP_COPY_ALL = 0x7FFFFFFF
};
@@ -75,6 +77,7 @@ class OSG_EXPORT CopyOp
virtual Shape* operator() (const Shape* shape) const;
virtual Uniform* operator() (const Uniform* shape) const;
virtual NodeCallback* operator() (const NodeCallback* nodecallback) const;
virtual StateAttributeCallback* operator() (const StateAttributeCallback* stateattributecallback) const;
protected:

2
include/osg/ImageSequence
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@@ -105,7 +105,7 @@ class OSG_EXPORT ImageSequence : public ImageStream
virtual void update(NodeVisitor* nv);
struct OSG_EXPORT UpdateCallback : public osg::StateAttribute::Callback
struct OSG_EXPORT UpdateCallback : public osg::StateAttributeCallback
{
virtual void operator () (osg::StateAttribute* attr, osg::NodeVisitor* nv);
};

34
include/osg/StateAttribute
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@@ -16,6 +16,7 @@
#include <osg/Export>
#include <osg/Object>
#include <osg/StateAttributeCallback>
#include <osg/GL>
#include <typeinfo>
@@ -190,7 +191,9 @@ class OSG_EXPORT StateAttribute : public Object
StateAttribute();
StateAttribute(const StateAttribute& sa,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
Object(sa,copyop) {}
Object(sa,copyop),
_updateCallback(copyop(sa._updateCallback.get()))
{}
/** Clone the type of an attribute, with Object* return type.
@@ -281,37 +284,28 @@ class OSG_EXPORT StateAttribute : public Object
// default to no black listed GLMode's associated with use of the StateAttribute.
return true;
}
struct Callback : public virtual osg::Object
{
Callback() {}
Callback(const Callback&,const CopyOp&) {}
META_Object(osg,Callback);
/** do customized update code.*/
virtual void operator () (StateAttribute*, NodeVisitor*) {}
};
// provide callback for backwards compatibility.
typedef osg::StateAttributeCallback Callback;
/** Set the UpdateCallback which allows users to attach customize the updating of an object during the update traversal.*/
void setUpdateCallback(Callback* uc);
void setUpdateCallback(StateAttributeCallback* uc);
/** Get the non const UpdateCallback.*/
Callback* getUpdateCallback() { return _updateCallback.get(); }
StateAttributeCallback* getUpdateCallback() { return _updateCallback.get(); }
/** Get the const UpdateCallback.*/
const Callback* getUpdateCallback() const { return _updateCallback.get(); }
const StateAttributeCallback* getUpdateCallback() const { return _updateCallback.get(); }
/** Set the EventCallback which allows users to attach customize the updating of an object during the Event traversal.*/
void setEventCallback(Callback* ec);
void setEventCallback(StateAttributeCallback* ec);
/** Get the non const EventCallback.*/
Callback* getEventCallback() { return _eventCallback.get(); }
StateAttributeCallback* getEventCallback() { return _eventCallback.get(); }
/** Get the const EventCallback.*/
const Callback* getEventCallback() const { return _eventCallback.get(); }
const StateAttributeCallback* getEventCallback() const { return _eventCallback.get(); }
/** apply the OpenGL state attributes.
@@ -343,8 +337,8 @@ class OSG_EXPORT StateAttribute : public Object
ParentList _parents;
friend class osg::StateSet;
ref_ptr<Callback> _updateCallback;
ref_ptr<Callback> _eventCallback;
ref_ptr<StateAttributeCallback> _updateCallback;
ref_ptr<StateAttributeCallback> _eventCallback;
};
}

5
include/osgAnimation/UpdateCallback
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@@ -36,8 +36,6 @@ namespace osgAnimation
virtual int link(osgAnimation::Animation* animation) = 0;
virtual void updateLink() = 0;
virtual const std::string& getName() const = 0;
virtual ~AnimationUpdateCallbackBase() {}
};
template <class T>
@@ -130,7 +128,7 @@ namespace osgAnimation
class OSGANIMATION_EXPORT UpdateMaterial : public AnimationUpdateCallback<osg::StateAttribute::Callback>
class OSGANIMATION_EXPORT UpdateMaterial : public AnimationUpdateCallback<osg::StateAttributeCallback>
{
protected:
osg::ref_ptr<osgAnimation::Vec4Target> _diffuse;
@@ -147,6 +145,7 @@ namespace osgAnimation
void update(osg::Material& material);
bool needLink() const;
bool link(osgAnimation::Channel* channel);
osgAnimation::Vec4Target* getDiffuse();
};
}

1
src/osg/CMakeLists.txt
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@@ -140,6 +140,7 @@ SET(LIB_PUBLIC_HEADERS
${HEADER_PATH}/ShapeDrawable
${HEADER_PATH}/State
${HEADER_PATH}/StateAttribute
${HEADER_PATH}/StateAttributeCallback
${HEADER_PATH}/StateSet
${HEADER_PATH}/Stats
${HEADER_PATH}/Stencil

17
src/osg/CopyOp.cpp
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@@ -18,6 +18,7 @@
#include <osg/Array>
#include <osg/PrimitiveSet>
#include <osg/Shape>
#include <osg/StateAttribute>
using namespace osg;
@@ -67,7 +68,7 @@ StateAttribute* CopyOp::operator() (const StateAttribute* attr) const
NodeCallback* CopyOp::operator() (const NodeCallback* nc) const
{
if (nc && _flags&DEEP_COPY_NODECALLBACKS)
if (nc && _flags&DEEP_COPY_CALLBACKS)
{
// deep copy the full chain of callback
osg::NodeCallback* first = dynamic_cast<osg::NodeCallback*>(nc->clone(*this));
@@ -85,3 +86,17 @@ NodeCallback* CopyOp::operator() (const NodeCallback* nc) const
else
return const_cast<NodeCallback*>(nc);
}
StateAttributeCallback* CopyOp::operator() (const StateAttributeCallback* sc) const
{
if (sc && _flags&DEEP_COPY_CALLBACKS)
{
// deep copy the full chain of callback
StateAttributeCallback* cb = dynamic_cast<StateAttributeCallback*>(sc->clone(*this));
return cb;
}
else
return const_cast<StateAttributeCallback*>(sc);
}

4
src/osg/StateAttribute.cpp
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@@ -42,7 +42,7 @@ void StateAttribute::removeParent(osg::StateSet* object)
}
void StateAttribute::setUpdateCallback(Callback* uc)
void StateAttribute::setUpdateCallback(StateAttributeCallback* uc)
{
osg::notify(osg::INFO)<<"StateAttribute::Setting Update callbacks"<<std::endl;
@@ -69,7 +69,7 @@ void StateAttribute::setUpdateCallback(Callback* uc)
}
}
void StateAttribute::setEventCallback(Callback* ec)
void StateAttribute::setEventCallback(StateAttributeCallback* ec)
{
osg::notify(osg::INFO)<<"StateAttribute::Setting Event callbacks"<<std::endl;

8
src/osg/StateSet.cpp
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@@ -1673,7 +1673,7 @@ void StateSet::runUpdateCallbacks(osg::NodeVisitor* nv)
itr!=_attributeList.end();
++itr)
{
StateAttribute::Callback* callback = itr->second.first->getUpdateCallback();
StateAttributeCallback* callback = itr->second.first->getUpdateCallback();
if (callback) (*callback)(itr->second.first.get(),nv);
}
@@ -1686,7 +1686,7 @@ void StateSet::runUpdateCallbacks(osg::NodeVisitor* nv)
itr!=attributeList.end();
++itr)
{
StateAttribute::Callback* callback = itr->second.first->getUpdateCallback();
StateAttributeCallback* callback = itr->second.first->getUpdateCallback();
if (callback) (*callback)(itr->second.first.get(),nv);
}
}
@@ -1747,7 +1747,7 @@ void StateSet::runEventCallbacks(osg::NodeVisitor* nv)
itr!=_attributeList.end();
++itr)
{
StateAttribute::Callback* callback = itr->second.first->getEventCallback();
StateAttributeCallback* callback = itr->second.first->getEventCallback();
if (callback) (*callback)(itr->second.first.get(),nv);
}
@@ -1760,7 +1760,7 @@ void StateSet::runEventCallbacks(osg::NodeVisitor* nv)
itr!=attributeList.end();
++itr)
{
StateAttribute::Callback* callback = itr->second.first->getEventCallback();
StateAttributeCallback* callback = itr->second.first->getEventCallback();
if (callback) (*callback)(itr->second.first.get(),nv);
}
}

6
src/osgAnimation/UpdateCallback.cpp
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@@ -122,13 +122,13 @@ bool UpdateTransform::link(osgAnimation::Channel* channel)
UpdateMaterial::UpdateMaterial(const UpdateMaterial& apc,const osg::CopyOp& copyop)
: osg::Object(apc, copyop),
AnimationUpdateCallback<osg::StateAttribute::Callback>(apc, copyop)
AnimationUpdateCallback<osg::StateAttributeCallback>(apc, copyop)
{
_diffuse = new osgAnimation::Vec4Target(apc._diffuse->getValue());
}
UpdateMaterial::UpdateMaterial(const std::string& name):
AnimationUpdateCallback<osg::StateAttribute::Callback>(name)
AnimationUpdateCallback<osg::StateAttributeCallback>(name)
{
_diffuse = new osgAnimation::Vec4Target(osg::Vec4(1,0,1,1));
}
@@ -144,6 +144,8 @@ void UpdateMaterial::operator()(osg::StateAttribute* sa, osg::NodeVisitor* nv)
}
}
osgAnimation::Vec4Target* UpdateMaterial::getDiffuse() { return _diffuse.get(); }
void UpdateMaterial::update(osg::Material& material)
{
osg::Vec4 diffuse = _diffuse->getValue();

6
src/osgPlugins/osg/StateAttribute.cpp
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@@ -29,12 +29,12 @@ bool StateAttribute_readLocalData(Object& obj, Input& fr)
bool iteratorAdvanced = false;
StateAttribute& stateAttribute = static_cast<StateAttribute&>(obj);
static ref_ptr<StateAttribute::Callback> s_callback = new osg::StateAttribute::Callback;
static ref_ptr<StateAttributeCallback> s_callback = new osg::StateAttributeCallback;
while (fr.matchSequence("UpdateCallback {"))
{
//int entry = fr[0].getNoNestedBrackets();
fr += 2;
StateAttribute::Callback* callback = dynamic_cast<StateAttribute::Callback*>(fr.readObjectOfType(*s_callback));
StateAttributeCallback* callback = dynamic_cast<StateAttributeCallback*>(fr.readObjectOfType(*s_callback));
if (callback) {
stateAttribute.setUpdateCallback(callback);
}
@@ -45,7 +45,7 @@ bool StateAttribute_readLocalData(Object& obj, Input& fr)
{
//int entry = fr[0].getNoNestedBrackets();
fr += 2;
StateAttribute::Callback* callback = dynamic_cast<StateAttribute::Callback*>(fr.readObjectOfType(*s_callback));
StateAttributeCallback* callback = dynamic_cast<StateAttributeCallback*>(fr.readObjectOfType(*s_callback));
if (callback) {
stateAttribute.setEventCallback(callback);
}