Panda3D
shadeModelAttrib.h
1 // Filename: shadeModelAttrib.h
2 // Created by: drose (14Mar05)
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 SHADEMODELATTRIB_H
16 #define SHADEMODELATTRIB_H
17 
18 #include "pandabase.h"
19 
20 #include "renderAttrib.h"
21 
22 class FactoryParams;
23 
24 ////////////////////////////////////////////////////////////////////
25 // Class : ShadeModelAttrib
26 // Description : Specifies whether flat shading (per-polygon) or
27 // smooth shading (per-vertex) is in effect.
28 ////////////////////////////////////////////////////////////////////
29 class EXPCL_PANDA_PGRAPH ShadeModelAttrib : public RenderAttrib {
30 PUBLISHED:
31  enum Mode {
32  M_flat,
33  M_smooth,
34  };
35 
36 private:
37  INLINE ShadeModelAttrib(Mode mode);
38 
39 PUBLISHED:
40  static CPT(RenderAttrib) make(Mode mode);
41  static CPT(RenderAttrib) make_default();
42 
43  INLINE Mode get_mode() const;
44 
45 public:
46  virtual void output(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  virtual CPT(RenderAttrib) compose_impl(const RenderAttrib *other) const;
52 
53 private:
54  Mode _mode;
55 
56 PUBLISHED:
57  static int get_class_slot() {
58  return _attrib_slot;
59  }
60  virtual int get_slot() const {
61  return get_class_slot();
62  }
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, "ShadeModelAttrib",
79  RenderAttrib::get_class_type());
80  _attrib_slot = register_slot(_type_handle, 100, make_default);
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 "shadeModelAttrib.I"
93 
94 #endif
95 
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
Base class for objects that can be written to and read from Bam files.
Definition: typedWritable.h:37
Specifies whether flat shading (per-polygon) or smooth shading (per-vertex) is in effect...
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