Panda3D
 All Classes Functions Variables Enumerations
depthWriteAttrib.h
1 // Filename: depthWriteAttrib.h
2 // Created by: drose (04Mar02)
3 //
4 ////////////////////////////////////////////////////////////////////
5 //
6 // PANDA 3D SOFTWARE
7 // Copyright (c) Carnegie Mellon University. All rights reserved.
8 //
9 // All use of this software is subject to the terms of the revised BSD
10 // license. You should have received a copy of this license along
11 // with this source code in a file named "LICENSE."
12 //
13 ////////////////////////////////////////////////////////////////////
14 
15 #ifndef DEPTHWRITEATTRIB_H
16 #define DEPTHWRITEATTRIB_H
17 
18 #include "pandabase.h"
19 
20 #include "renderAttrib.h"
21 
22 class FactoryParams;
23 
24 ////////////////////////////////////////////////////////////////////
25 // Class : DepthWriteAttrib
26 // Description : Enables or disables writing to the depth buffer.
27 ////////////////////////////////////////////////////////////////////
28 class EXPCL_PANDA_PGRAPH DepthWriteAttrib : public RenderAttrib {
29 PUBLISHED:
30  enum Mode {
31  M_off,
32  M_on
33  };
34 
35 private:
36  INLINE DepthWriteAttrib(Mode mode = M_on);
37 
38 PUBLISHED:
39  static CPT(RenderAttrib) make(Mode mode);
40  static CPT(RenderAttrib) make_default();
41 
42  INLINE Mode get_mode() const;
43 
44 public:
45  virtual void output(ostream &out) const;
46 
47 protected:
48  virtual int compare_to_impl(const RenderAttrib *other) const;
49  virtual size_t get_hash_impl() const;
50 
51 private:
52  Mode _mode;
53 
54 PUBLISHED:
55  static int get_class_slot() {
56  return _attrib_slot;
57  }
58  virtual int get_slot() const {
59  return get_class_slot();
60  }
61 
62 public:
63  static void register_with_read_factory();
64  virtual void write_datagram(BamWriter *manager, Datagram &dg);
65 
66 protected:
67  static TypedWritable *make_from_bam(const FactoryParams &params);
68  void fillin(DatagramIterator &scan, BamReader *manager);
69 
70 public:
71  static TypeHandle get_class_type() {
72  return _type_handle;
73  }
74  static void init_type() {
75  RenderAttrib::init_type();
76  register_type(_type_handle, "DepthWriteAttrib",
77  RenderAttrib::get_class_type());
78  _attrib_slot = register_slot(_type_handle, 100, make_default);
79  }
80  virtual TypeHandle get_type() const {
81  return get_class_type();
82  }
83  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
84 
85 private:
86  static TypeHandle _type_handle;
87  static int _attrib_slot;
88 };
89 
90 #include "depthWriteAttrib.I"
91 
92 #endif
93 
static int register_slot(TypeHandle type_handle, int sort, RenderAttribRegistry::MakeDefaultFunc *make_default_func)
Adds the indicated TypeHandle to the registry, if it is not there already, and returns a unique slot ...
Definition: renderAttrib.I:163
This is the base class for a number of render attributes (other than transform) that may be set on sc...
Definition: renderAttrib.h:60
This is the fundamental interface for extracting binary objects from a Bam file, as generated by a Ba...
Definition: bamReader.h:122
Enables or disables writing to the depth buffer.
Base class for objects that can be written to and read from Bam files.
Definition: typedWritable.h:37
This is the fundamental interface for writing binary objects to a Bam file, to be extracted later by ...
Definition: bamWriter.h:73
virtual void write_datagram(BamWriter *manager, Datagram &dg)
Writes the contents of this object to the datagram for shipping out to a Bam file.
An instance of this class is passed to the Factory when requesting it to do its business and construc...
Definition: factoryParams.h:40
A class to retrieve the individual data elements previously stored in a Datagram. ...
TypeHandle is the identifier used to differentiate C++ class types.
Definition: typeHandle.h:85
An ordered list of data elements, formatted in memory for transmission over a socket or writing to a ...
Definition: datagram.h:43