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