Panda3D
depthWriteAttrib.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 depthWriteAttrib.h
10  * @author drose
11  * @date 2002-03-04
12  */
13 
14 #ifndef DEPTHWRITEATTRIB_H
15 #define DEPTHWRITEATTRIB_H
16 
17 #include "pandabase.h"
18 
19 #include "renderAttrib.h"
20 
21 class FactoryParams;
22 
23 /**
24  * Enables or disables writing to the depth buffer.
25  */
26 class EXPCL_PANDA_PGRAPH DepthWriteAttrib : public RenderAttrib {
27 PUBLISHED:
28  enum Mode {
29  M_off,
30  M_on
31  };
32 
33 private:
34  INLINE DepthWriteAttrib(Mode mode = M_on);
35 
36 PUBLISHED:
37  static CPT(RenderAttrib) make(Mode mode);
38  static CPT(RenderAttrib) make_default();
39 
40  INLINE Mode get_mode() const;
41 
42 PUBLISHED:
43  MAKE_PROPERTY(mode, get_mode);
44 
45 public:
46  virtual void output(std::ostream &out) const;
47 
48 protected:
49  virtual int compare_to_impl(const RenderAttrib *other) const;
50  virtual size_t get_hash_impl() const;
51 
52 private:
53  Mode _mode;
54 
55 PUBLISHED:
56  static int get_class_slot() {
57  return _attrib_slot;
58  }
59  virtual int get_slot() const {
60  return get_class_slot();
61  }
62  MAKE_PROPERTY(class_slot, get_class_slot);
63 
64 public:
65  static void register_with_read_factory();
66  virtual void write_datagram(BamWriter *manager, Datagram &dg);
67 
68 protected:
69  static TypedWritable *make_from_bam(const FactoryParams &params);
70  void fillin(DatagramIterator &scan, BamReader *manager);
71 
72 public:
73  static TypeHandle get_class_type() {
74  return _type_handle;
75  }
76  static void init_type() {
77  RenderAttrib::init_type();
78  register_type(_type_handle, "DepthWriteAttrib",
79  RenderAttrib::get_class_type());
80  _attrib_slot = register_slot(_type_handle, 100, new DepthWriteAttrib);
81  }
82  virtual TypeHandle get_type() const {
83  return get_class_type();
84  }
85  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
86 
87 private:
88  static TypeHandle _type_handle;
89  static int _attrib_slot;
90 };
91 
92 #include "depthWriteAttrib.I"
93 
94 #endif
This is the base class for a number of render attributes (other than transform) that may be set on sc...
Definition: renderAttrib.h:51
This is the fundamental interface for extracting binary objects from a Bam file, as generated by a Ba...
Definition: bamReader.h:110
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:35
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.
This is the fundamental interface for writing binary objects to a Bam file, to be extracted later by ...
Definition: bamWriter.h:63
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
virtual void write_datagram(BamWriter *manager, Datagram &dg)
Writes the contents of this object to the datagram for shipping out to a Bam file.
static int register_slot(TypeHandle type_handle, int sort, RenderAttrib *default_attrib)
Adds the indicated TypeHandle to the registry, if it is not there already, and returns a unique slot ...
Definition: renderAttrib.I:101
An instance of this class is passed to the Factory when requesting it to do its business and construc...
Definition: factoryParams.h:36
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:81
An ordered list of data elements, formatted in memory for transmission over a socket or writing to a ...
Definition: datagram.h:38
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.