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geomTrifans.h
1 // Filename: geomTrifans.h
2 // Created by: drose (08Mar05)
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 GEOMTRIFANS_H
16 #define GEOMTRIFANS_H
17 
18 #include "pandabase.h"
19 #include "geomPrimitive.h"
20 
21 ////////////////////////////////////////////////////////////////////
22 // Class : GeomTrifans
23 // Description : Defines a series of triangle fans.
24 ////////////////////////////////////////////////////////////////////
25 class EXPCL_PANDA_GOBJ GeomTrifans : public GeomPrimitive {
26 PUBLISHED:
27  GeomTrifans(UsageHint usage_hint);
28  GeomTrifans(const GeomTrifans &copy);
29  virtual ~GeomTrifans();
30  ALLOC_DELETED_CHAIN(GeomTrifans);
31 
32 public:
33  virtual PT(GeomPrimitive) make_copy() const;
34  virtual PrimitiveType get_primitive_type() const;
35  virtual int get_geom_rendering() const;
36 
37 public:
38  virtual bool draw(GraphicsStateGuardianBase *gsg,
39  const GeomPrimitivePipelineReader *reader,
40  bool force) const;
41 
42 protected:
43  virtual CPT(GeomPrimitive) decompose_impl() const;
44  virtual CPT(GeomVertexArrayData) rotate_impl() const;
45 
46 public:
47  static void register_with_read_factory();
48 
49 protected:
50  static TypedWritable *make_from_bam(const FactoryParams &params);
51 
52 public:
53  static TypeHandle get_class_type() {
54  return _type_handle;
55  }
56  static void init_type() {
57  GeomPrimitive::init_type();
58  register_type(_type_handle, "GeomTrifans",
59  GeomPrimitive::get_class_type());
60  }
61  virtual TypeHandle get_type() const {
62  return get_class_type();
63  }
64  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
65 
66 private:
67  static TypeHandle _type_handle;
68 
69  friend class Geom;
70 };
71 
72 #endif
Defines a series of triangle fans.
Definition: geomTrifans.h:25
Base class for objects that can be written to and read from Bam files.
Definition: typedWritable.h:37
This is an abstract base class for a family of classes that represent the fundamental geometry primit...
Definition: geomPrimitive.h:63
virtual int get_geom_rendering() const
Returns the set of GeomRendering bits that represent the rendering properties required to properly re...
A container for geometry primitives.
Definition: geom.h:58
An instance of this class is passed to the Factory when requesting it to do its business and construc...
Definition: factoryParams.h:40
This is a base class for the GraphicsStateGuardian class, which is itself a base class for the variou...
TypeHandle is the identifier used to differentiate C++ class types.
Definition: typeHandle.h:85
Encapsulates the data from a GeomPrimitive, pre-fetched for one stage of the pipeline.
This is the data for one array of a GeomVertexData structure.