FGFS-4.1/OpenSceneGraph
3
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added app callback to Drawable.

Browse Source
This commit is contained in:
Robert Osfield
2002-07-10 15:35:47 +00:00
parent b3ac26f3dc
commit 27338f57b1
5 changed files with 89 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

48
include/osg/Drawable
View File

@@ -161,6 +161,38 @@ class SG_EXPORT Drawable : public Object
void compile(State& state);
struct AppCallback : public osg::Referenced
{
/** do customized app code.*/
virtual void app(osg::NodeVisitor *visitor, osg::Drawable* drawable) const = 0;
};
/** Set the AppCallback which allows users to attach customize the undating of an object during the app traversal.*/
void setAppCallback(AppCallback* ac);
/** Get the non const AppCallback.*/
AppCallback* getAppCallback() { return _appCallback.get(); }
/** Get the const AppCallback.*/
const AppCallback* getAppCallback() const { return _appCallback.get(); }
struct CullCallback : public osg::Referenced
{
/** do customized cull code.*/
virtual bool cull(osg::NodeVisitor *visitor, osg::Drawable* drawable, osg::State *state=NULL) const = 0;
};
/** Set the CullCallback which allows users to attach customize the culling of Drawable during the cull traversal.*/
void setCullCallback(CullCallback* cc) { _cullCallback=cc; }
/** Get the non const CullCallback.*/
CullCallback* getCullCallback() { return _cullCallback.get(); }
/** Get the const CullCallback.*/
const CullCallback* getCullCallback() const { return _cullCallback.get(); }
/** Callback attached to an Drawable which allows the users to customize the drawing of an exist Drawable object.
* The draw callback is implement as a replacement to the Drawable's own drawImmediateMode() method, if the
* the user intends to decorate the exist draw code then simple call the drawable->drawImmediateMode() from
@@ -181,21 +213,6 @@ class SG_EXPORT Drawable : public Object
/** Get the const DrawCallback.*/
const DrawCallback* getDrawCallback() const { return _drawCallback.get(); }
struct CullCallback : public osg::Referenced
{
/** do customized cull code.*/
virtual bool cull(osg::NodeVisitor *visitor, osg::Drawable* drawable, osg::State *state=NULL) const = 0;
};
/** Set the CullCallback which allows users to attach customize the drawing of existing Drawable object.*/
void setCullCallback(CullCallback* cc) { _cullCallback=cc; }
/** Get the non const CullCallback.*/
CullCallback* getCullCallback() { return _cullCallback.get(); }
/** Get the const CullCallback.*/
const CullCallback* getCullCallback() const { return _cullCallback.get(); }
/** draw directly ignoring an OpenGL display list which could be attached.
* This is the internal draw method which does the drawing itself,
@@ -310,6 +327,7 @@ class SG_EXPORT Drawable : public Object
mutable BoundingBox _bbox;
mutable bool _bbox_computed;
ref_ptr<AppCallback> _appCallback;
ref_ptr<DrawCallback> _drawCallback;
ref_ptr<CullCallback> _cullCallback;