Panda3D
iffChunk.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 iffChunk.h
10  * @author drose
11  * @date 2001-04-23
12  */
13 
14 #ifndef IFFCHUNK_H
15 #define IFFCHUNK_H
16 
17 #include "pandatoolbase.h"
18 
19 #include "iffId.h"
20 
21 #include "typedObject.h"
22 #include "typedReferenceCount.h"
23 
24 class IffInputFile;
25 
26 /**
27  * The basic kind of record in an EA "IFF" file, which the LightWave object
28  * file is based on.
29  */
30 class IffChunk : public TypedReferenceCount {
31 public:
32  INLINE IffChunk();
33 
34  INLINE IffId get_id() const;
35  INLINE void set_id(IffId id);
36 
37  virtual bool read_iff(IffInputFile *in, size_t stop_at)=0;
38 
39  virtual void output(std::ostream &out) const;
40  virtual void write(std::ostream &out, int indent_level = 0) const;
41 
42  virtual IffChunk *make_new_chunk(IffInputFile *in, IffId id);
43 
44 private:
45  IffId _id;
46 
47 public:
48  virtual TypeHandle get_type() const {
49  return get_class_type();
50  }
51  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
52  static TypeHandle get_class_type() {
53  return _type_handle;
54  }
55  static void init_type() {
56  TypedReferenceCount::init_type();
57  register_type(_type_handle, "IffChunk",
58  TypedReferenceCount::get_class_type());
59  }
60 
61 private:
62  static TypeHandle _type_handle;
63 };
64 
65 #include "iffChunk.I"
66 
67 INLINE std::ostream &operator << (std::ostream &out, const IffChunk &chunk) {
68  chunk.output(out);
69  return out;
70 }
71 
72 #endif
The basic kind of record in an EA "IFF" file, which the LightWave object file is based on.
Definition: iffChunk.h:30
virtual IffChunk * make_new_chunk(IffInputFile *in, IffId id)
Allocates and returns a new chunk of the appropriate type based on the given ID, according to the con...
Definition: iffChunk.cxx:42
void set_id(IffId id)
Changes the ID associated with this chunk.
Definition: iffChunk.I:33
IffId get_id() const
Returns the ID associated with this chunk.
Definition: iffChunk.I:25
A four-byte chunk ID appearing in an "IFF" file.
Definition: iffId.h:26
A wrapper around an istream used for reading an IFF file.
Definition: iffInputFile.h:30
TypeHandle is the identifier used to differentiate C++ class types.
Definition: typeHandle.h:81
A base class for things which need to inherit from both TypedObject and from ReferenceCount.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
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(),...
Definition: register_type.I:22
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.