77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file cycleData.h
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* @author drose
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* @date 2002-02-21
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*/
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#ifndef CYCLEDATA_H
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#define CYCLEDATA_H
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#include "pandabase.h"
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#include "typeHandle.h"
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#include "nodeReferenceCount.h"
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class BamWriter;
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class BamReader;
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class TypedWritable;
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class Datagram;
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class DatagramIterator;
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/**
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* A single page of data maintained by a PipelineCycler. Normally you should
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* inherit from this class to define the data structures that are important to
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* protect between stages of a pipeline. See PipelineCycler.
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*/
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#ifdef DO_PIPELINING
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// If we are compiling in pipelining support, we maintain a pointer to a
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// CycleData object in each containing class, instead of the object itself.
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// Thus, it should be a ReferenceCount object. Furthermore, since we want to
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// make a distinction between references within the cycler, and references
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// outside the cycler (e.g. GeomPipelineReader), we make it a
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// NodeReferenceCount.
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class EXPCL_PANDA_PIPELINE CycleData : public NodeReferenceCount
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#else // !DO_PIPELINING
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// If we are *not* compiling in pipelining support, the CycleData object is
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// stored directly within its containing classes, and hence should not be a
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// ReferenceCount object.
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class EXPCL_PANDA_PIPELINE CycleData
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#endif // DO_PIPELINING
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{
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public:
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INLINE CycleData();
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virtual ~CycleData();
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virtual CycleData *make_copy() const=0;
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virtual void write_datagram(BamWriter *, Datagram &) const;
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virtual void write_datagram(BamWriter *, Datagram &, void *extra_data) const;
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virtual int complete_pointers(TypedWritable **p_list, BamReader *manager);
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virtual void fillin(DatagramIterator &scan, BamReader *manager);
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virtual void fillin(DatagramIterator &scan, BamReader *manager,
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void *extra_data);
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virtual TypeHandle get_parent_type() const;
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virtual void output(ostream &out) const;
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};
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INLINE ostream &
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operator << (ostream &out, const CycleData &cd) {
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cd.output(out);
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return out;
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}
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#include "cycleData.I"
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#endif
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