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/* -*-c++-*-
* Copyright (C) 2009 Cedric Pinson <cedric.pinson@plopbyte.net>
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGANIMATION_ACTIONVISITOR_H
#define OSGANIMATION_ACTIONVISITOR_H
#include <vector>
#include <osgAnimation/Export>
#include <osg/Referenced>
#include <osgAnimation/FrameAction>
namespace osgAnimation
{
class Timeline;
class Action;
class ActionBlendIn;
class ActionBlendOut;
class ActionAnimation;
class ActionStripAnimation;
#define META_ActionVisitor(library,name) \
virtual const char* libraryName() const { return #library; }\
virtual const char* className() const { return #name; }
class OSGANIMATION_EXPORT ActionVisitor : public osg::Referenced
{
public:
META_ActionVisitor(osgAnimation, ActionVisitor);
ActionVisitor();
void traverse(Action& visitor);
void pushFrameActionOnStack(const FrameAction& fa);
void popFrameAction();
void pushTimelineOnStack(Timeline* tm);
void popTimeline();
Timeline* getCurrentTimeline();
void setCurrentLayer(int layer) { _currentLayer = layer;}
int getCurrentLayer() const { return _currentLayer; }
const std::vector<FrameAction>& getStackedFrameAction() const { return _stackFrameAction; }
virtual void apply(Action& action);
virtual void apply(Timeline& tm);
virtual void apply(ActionBlendIn& action);
virtual void apply(ActionBlendOut& action);
virtual void apply(ActionAnimation& action);
virtual void apply(ActionStripAnimation& action);
protected:
std::vector<FrameAction> _stackFrameAction;
std::vector<Timeline*> _stackTimeline;
int _currentLayer;
};
class OSGANIMATION_EXPORT UpdateActionVisitor : public osgAnimation::ActionVisitor
{
protected:
unsigned int _frame;
unsigned int _currentAnimationPriority;
public:
META_ActionVisitor(osgAnimation, UpdateActionVisitor);
UpdateActionVisitor();
void setFrame(unsigned int frame) { _frame = frame;}
bool isActive(Action& action) const;
unsigned int getLocalFrame() const;
void apply(Timeline& action);
void apply(Action& action);
void apply(ActionBlendIn& action);
void apply(ActionBlendOut& action);
void apply(ActionAnimation& action);
void apply(ActionStripAnimation& action);
};
class OSGANIMATION_EXPORT ClearActionVisitor : public osgAnimation::ActionVisitor
{
public:
enum ClearType {
BEFORE_FRAME,
AFTER_FRAME
};
META_ActionVisitor(osgAnimation, ClearActionVisitor);
ClearActionVisitor(ClearType type = BEFORE_FRAME);
void setFrame(unsigned int frame) { _frame = frame;}
void apply(Timeline& action);
void apply(Action& action);
protected:
unsigned int _frame;
std::vector<osg::ref_ptr<Action> > _remove;
ClearType _clearType;
};
}
#endif
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