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typedWritableReferenceCount.h
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1/**
2 * PANDA 3D SOFTWARE
3 * Copyright (c) Carnegie Mellon University. All rights reserved.
4 *
5 * All use of this software is subject to the terms of the revised BSD
6 * license. You should have received a copy of this license along
7 * with this source code in a file named "LICENSE."
8 *
9 * @file typedWritableReferenceCount.h
10 * @author jason
11 * @date 2000-06-08
12 */
13
14#ifndef TYPEDWRITABLEREFERENCECOUNT_H
15#define TYPEDWRITABLEREFERENCECOUNT_H
16
17#include "pandabase.h"
18
19#include "typedWritable.h"
20#include "referenceCount.h"
21
22/**
23 * A base class for things which need to inherit from both TypedWritable and
24 * from ReferenceCount. It's convenient to define this intermediate base
25 * class instead of multiply inheriting from the two classes each time they
26 * are needed, so that we can sensibly pass around pointers to things which
27 * are both TypedWritables and ReferenceCounters.
28 *
29 * See also TypedObject for detailed instructions.
30 */
31class EXPCL_PANDA_PUTIL TypedWritableReferenceCount : public TypedWritable, public ReferenceCount {
32public:
35 INLINE void operator = (const TypedWritableReferenceCount &copy);
36
38
39PUBLISHED:
40 static PT(TypedWritableReferenceCount) decode_from_bam_stream(vector_uchar data, BamReader *reader = nullptr);
41
42public:
43 virtual TypeHandle get_type() const {
44 return get_class_type();
45 }
46 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
47 static TypeHandle get_class_type() {
48 return _type_handle;
49 }
50 static void init_type() {
51 TypedWritable::init_type();
52 ReferenceCount::init_type();
53 register_type(_type_handle, "TypedWritableReferenceCount",
54 TypedWritable::get_class_type(),
55 ReferenceCount::get_class_type());
57 "TypedWriteableReferenceCount");
58 }
59
60private:
61 static TypeHandle _type_handle;
62};
63
64// We can safely redefine this as a no-op.
65template<>
67
69
70#endif
This is the fundamental interface for extracting binary objects from a Bam file, as generated by a Ba...
Definition bamReader.h:110
This is the base class for PointerTo and ConstPointerTo.
A base class for all things that want to be reference-counted.
TypeHandle is the identifier used to differentiate C++ class types.
Definition typeHandle.h:81
void record_alternate_name(TypeHandle type, const std::string &name)
Indicates an alternate name for the same type.
static TypeRegistry * ptr()
Returns the pointer to the global TypeRegistry object.
A base class for things which need to inherit from both TypedWritable and from ReferenceCount.
Base class for objects that can be written to and read from Bam files.
virtual ReferenceCount * as_reference_count()
Returns the pointer cast to a ReferenceCount pointer, if it is in fact of that type.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
void register_type(TypeHandle &type_handle, const std::string &name)
This inline function is just a convenient way to call TypeRegistry::register_type(),...
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.