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depthTestAttrib.h
1 // Filename: depthTestAttrib.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 DEPTHTESTATTRIB_H
16 #define DEPTHTESTATTRIB_H
17 
18 #include "pandabase.h"
19 
20 #include "renderAttrib.h"
21 
22 class FactoryParams;
23 
24 ////////////////////////////////////////////////////////////////////
25 // Class : DepthTestAttrib
26 // Description : Enables or disables writing to the depth buffer.
27 ////////////////////////////////////////////////////////////////////
28 class EXPCL_PANDA_PGRAPH DepthTestAttrib : public RenderAttrib {
29 private:
30  INLINE DepthTestAttrib(PandaCompareFunc mode = M_less);
31 
32 PUBLISHED:
33  static CPT(RenderAttrib) make(PandaCompareFunc mode);
34  static CPT(RenderAttrib) make_default();
35 
36  INLINE PandaCompareFunc get_mode() const;
37 
38 public:
39  virtual void output(ostream &out) const;
40 
41 protected:
42  virtual int compare_to_impl(const RenderAttrib *other) const;
43  virtual size_t get_hash_impl() const;
44 
45 private:
46  PandaCompareFunc _mode;
47 
48 PUBLISHED:
49  static int get_class_slot() {
50  return _attrib_slot;
51  }
52  virtual int get_slot() const {
53  return get_class_slot();
54  }
55 
56 public:
57  static void register_with_read_factory();
58  virtual void write_datagram(BamWriter *manager, Datagram &dg);
59 
60 protected:
61  static TypedWritable *make_from_bam(const FactoryParams &params);
62  void fillin(DatagramIterator &scan, BamReader *manager);
63 
64 public:
65  static TypeHandle get_class_type() {
66  return _type_handle;
67  }
68  static void init_type() {
69  RenderAttrib::init_type();
70  register_type(_type_handle, "DepthTestAttrib",
71  RenderAttrib::get_class_type());
72  _attrib_slot = register_slot(_type_handle, 100, make_default);
73  }
74  virtual TypeHandle get_type() const {
75  return get_class_type();
76  }
77  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
78 
79 private:
80  static TypeHandle _type_handle;
81  static int _attrib_slot;
82 };
83 
84 #include "depthTestAttrib.I"
85 
86 #endif
87 
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
Enables or disables writing to the depth buffer.
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
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