100 lines
2.8 KiB
C++
100 lines
2.8 KiB
C++
/**
|
|
* PANDA 3D SOFTWARE
|
|
* Copyright (c) Carnegie Mellon University. All rights reserved.
|
|
*
|
|
* All use of this software is subject to the terms of the revised BSD
|
|
* license. You should have received a copy of this license along
|
|
* with this source code in a file named "LICENSE."
|
|
*
|
|
* @file callbackNode.h
|
|
* @author drose
|
|
* @date 2009-03-13
|
|
*/
|
|
|
|
#ifndef CALLBACKNODE_H
|
|
#define CALLBACKNODE_H
|
|
|
|
#include "pandabase.h"
|
|
#include "pandaNode.h"
|
|
#include "callbackObject.h"
|
|
#include "pointerTo.h"
|
|
|
|
/**
|
|
* A special node that can issue arbitrary callbacks to user code, either
|
|
* during the cull or draw traversals.
|
|
*/
|
|
class EXPCL_PANDA_PGRAPHNODES CallbackNode : public PandaNode {
|
|
PUBLISHED:
|
|
explicit CallbackNode(const std::string &name);
|
|
|
|
INLINE void set_cull_callback(CallbackObject *object);
|
|
INLINE void clear_cull_callback();
|
|
INLINE CallbackObject *get_cull_callback() const;
|
|
MAKE_PROPERTY(cull_callback, get_cull_callback, set_cull_callback);
|
|
|
|
INLINE void set_draw_callback(CallbackObject *object);
|
|
INLINE void clear_draw_callback();
|
|
INLINE CallbackObject *get_draw_callback() const;
|
|
MAKE_PROPERTY(draw_callback, get_draw_callback, set_draw_callback);
|
|
|
|
public:
|
|
CallbackNode(const CallbackNode ©);
|
|
|
|
virtual PandaNode *make_copy() const;
|
|
virtual bool safe_to_combine() const;
|
|
|
|
virtual bool cull_callback(CullTraverser *trav, CullTraverserData &data);
|
|
virtual bool is_renderable() const;
|
|
virtual void add_for_draw(CullTraverser *trav, CullTraverserData &data);
|
|
|
|
virtual void output(std::ostream &out) const;
|
|
|
|
private:
|
|
class EXPCL_PANDA_PGRAPHNODES CData : public CycleData {
|
|
public:
|
|
INLINE CData();
|
|
INLINE CData(const CData ©);
|
|
virtual CycleData *make_copy() const;
|
|
virtual void write_datagram(BamWriter *manager, Datagram &dg) const;
|
|
virtual void fillin(DatagramIterator &scan, BamReader *manager);
|
|
virtual TypeHandle get_parent_type() const {
|
|
return CallbackNode::get_class_type();
|
|
}
|
|
|
|
PT(CallbackObject) _cull_callback;
|
|
PT(CallbackObject) _draw_callback;
|
|
};
|
|
|
|
PipelineCycler<CData> _cycler;
|
|
typedef CycleDataReader<CData> CDReader;
|
|
typedef CycleDataWriter<CData> CDWriter;
|
|
|
|
public:
|
|
static void register_with_read_factory();
|
|
virtual void write_datagram(BamWriter *manager, Datagram &dg);
|
|
|
|
protected:
|
|
static TypedWritable *make_from_bam(const FactoryParams ¶ms);
|
|
void fillin(DatagramIterator &scan, BamReader *manager);
|
|
|
|
public:
|
|
static TypeHandle get_class_type() {
|
|
return _type_handle;
|
|
}
|
|
static void init_type() {
|
|
PandaNode::init_type();
|
|
register_type(_type_handle, "CallbackNode",
|
|
PandaNode::get_class_type());
|
|
}
|
|
virtual TypeHandle get_type() const {
|
|
return get_class_type();
|
|
}
|
|
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
|
|
|
|
private:
|
|
static TypeHandle _type_handle;
|
|
};
|
|
|
|
#include "callbackNode.I"
|
|
|
|
#endif
|