87 lines
2.3 KiB
C++
87 lines
2.3 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 fltBead.h
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* @author drose
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* @date 2000-08-24
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*/
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#ifndef FLTBEAD_H
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#define FLTBEAD_H
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#include "pandatoolbase.h"
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#include "fltRecord.h"
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#include "fltTransformRecord.h"
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#include "luse.h"
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/**
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* A base class for any of a broad family of flt records that represent
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* particular beads in the hierarchy. These are things like group beads and
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* object beads, as opposed to things like push and pop or comment records.
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*/
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class FltBead : public FltRecord {
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public:
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FltBead(FltHeader *header);
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bool has_transform() const;
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const LMatrix4d &get_transform() const;
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void set_transform(const LMatrix4d &mat);
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void clear_transform();
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int get_num_transform_steps() const;
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FltTransformRecord *get_transform_step(int n);
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const FltTransformRecord *get_transform_step(int n) const;
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void add_transform_step(FltTransformRecord *record);
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int get_replicate_count() const;
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void set_replicate_count(int count);
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protected:
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virtual bool extract_record(FltRecordReader &reader);
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virtual bool extract_ancillary(FltRecordReader &reader);
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virtual bool build_record(FltRecordWriter &writer) const;
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virtual FltError write_ancillary(FltRecordWriter &writer) const;
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private:
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bool extract_transform_matrix(FltRecordReader &reader);
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bool extract_replicate_count(FltRecordReader &reader);
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FltError write_transform(FltRecordWriter &writer) const;
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FltError write_replicate_count(FltRecordWriter &writer) const;
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private:
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bool _has_transform;
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LMatrix4d _transform;
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typedef pvector<PT(FltTransformRecord)> Transforms;
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Transforms _transform_steps;
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int _replicate_count;
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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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FltRecord::init_type();
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register_type(_type_handle, "FltBead",
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FltRecord::get_class_type());
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}
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private:
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static TypeHandle _type_handle;
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};
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#endif
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