59 lines
1.6 KiB
C++
59 lines
1.6 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 fltInstanceDefinition.h
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* @author drose
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* @date 2000-08-30
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*/
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#ifndef FLTINSTANCEDEFINITION_H
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#define FLTINSTANCEDEFINITION_H
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#include "pandatoolbase.h"
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#include "fltBead.h"
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/**
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* This special kind of record marks the top node of an instance subtree.
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* This subtree lives outside of the normal hierarchy, and is MultiGen's way
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* of supporting instancing--each instance subtree has a unique index, which
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* may be referenced in a FltInstanceRef object to make the instance appear in
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* various places in the hierarchy.
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*/
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class FltInstanceDefinition : public FltBead {
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public:
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FltInstanceDefinition(FltHeader *header);
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int _instance_index;
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protected:
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virtual bool extract_record(FltRecordReader &reader);
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virtual bool build_record(FltRecordWriter &writer) const;
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public:
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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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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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FltBead::init_type();
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register_type(_type_handle, "FltInstanceDefinition",
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FltBead::get_class_type());
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}
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private:
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static TypeHandle _type_handle;
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friend class FltInstanceRef;
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friend class FltRecordWriter;
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};
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#endif
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