94 lines
2.7 KiB
C++
94 lines
2.7 KiB
C++
// Filename: switchNode.h
|
|
// Created by: drose (31Jul02)
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
//
|
|
// 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."
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef SWITCHNODE_H
|
|
#define SWITCHNODE_H
|
|
|
|
#include "pandabase.h"
|
|
|
|
#include "selectiveChildNode.h"
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Class : SwitchNode
|
|
// Description : A node that renders only one of its children,
|
|
// according to the user's indication.
|
|
////////////////////////////////////////////////////////////////////
|
|
class EXPCL_PANDA_PGRAPHNODES SwitchNode : public SelectiveChildNode {
|
|
PUBLISHED:
|
|
INLINE SwitchNode(const string &name);
|
|
|
|
public:
|
|
SwitchNode(const SwitchNode ©);
|
|
|
|
virtual PandaNode *make_copy() const;
|
|
virtual bool safe_to_combine() const;
|
|
virtual bool safe_to_combine_children() const;
|
|
|
|
virtual bool cull_callback(CullTraverser *trav, CullTraverserData &data);
|
|
virtual int get_first_visible_child() const;
|
|
virtual bool has_single_child_visibility() const;
|
|
|
|
PUBLISHED:
|
|
INLINE void set_visible_child(int index);
|
|
virtual int get_visible_child() 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 SwitchNode::get_class_type();
|
|
}
|
|
|
|
int _visible_child;
|
|
};
|
|
|
|
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() {
|
|
SelectiveChildNode::init_type();
|
|
register_type(_type_handle, "SwitchNode",
|
|
SelectiveChildNode::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 "switchNode.I"
|
|
|
|
#endif
|