103 lines
3.0 KiB
C++
103 lines
3.0 KiB
C++
// Filename: sequenceNode.h
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// Created by: drose (06Mar02)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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#ifndef SEQUENCENODE_H
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#define SEQUENCENODE_H
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#include "pandabase.h"
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#include "selectiveChildNode.h"
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#include "clockObject.h"
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////////////////////////////////////////////////////////////////////
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// Class : SequenceNode
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// Description : A node that automatically cycles through rendering
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// each one of its children according to its frame rate.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA SequenceNode : public SelectiveChildNode {
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PUBLISHED:
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INLINE SequenceNode(float cycle_rate, const string &name);
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public:
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SequenceNode(const SequenceNode ©);
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virtual PandaNode *make_copy() const;
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virtual bool safe_to_combine() const;
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virtual bool has_cull_callback() const;
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virtual bool cull_callback(CullTraverser *trav, CullTraverserData &data);
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virtual bool has_single_child_visibility() const;
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PUBLISHED:
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INLINE void set_cycle_rate(float cycle_rate);
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INLINE float get_cycle_rate() const;
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INLINE void set_visible_child(int index);
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virtual int get_visible_child() const;
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private:
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INLINE float calc_frame(float now) const;
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INLINE float calc_frame() const;
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class EXPCL_PANDA CData : public CycleData {
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public:
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INLINE CData();
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INLINE CData(const CData ©);
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virtual CycleData *make_copy() const;
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virtual void write_datagram(BamWriter *manager, Datagram &dg) const;
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virtual void fillin(DatagramIterator &scan, BamReader *manager);
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float _cycle_rate;
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float _frame_offset;
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float _start_time;
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};
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PipelineCycler<CData> _cycler;
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typedef CycleDataReader<CData> CDReader;
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typedef CycleDataWriter<CData> CDWriter;
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public:
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static void register_with_read_factory();
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virtual void write_datagram(BamWriter *manager, Datagram &dg);
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protected:
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static TypedWritable *make_from_bam(const FactoryParams ¶ms);
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void fillin(DatagramIterator &scan, BamReader *manager);
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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SelectiveChildNode::init_type();
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register_type(_type_handle, "SequenceNode",
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SelectiveChildNode::get_class_type());
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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};
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#include "sequenceNode.I"
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#endif
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