Panda3D
displayRegionDrawCallbackData.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 displayRegionDrawCallbackData.h
10  * @author drose
11  * @date 2009-03-13
12  */
13 
14 #ifndef DISPLAYREGIONDRAWCALLBACKDATA_H
15 #define DISPLAYREGIONDRAWCALLBACKDATA_H
16 
17 #include "pandabase.h"
18 #include "callbackData.h"
19 
20 class CullResult;
21 class SceneSetup;
22 
23 /**
24  * This specialization on CallbackData is passed when the callback is
25  * initiated from the draw traversal, for a DisplayRegion.
26  */
27 class EXPCL_PANDA_DISPLAY DisplayRegionDrawCallbackData : public CallbackData {
28 public:
29  DisplayRegionDrawCallbackData(CullResult *cull_result, SceneSetup *scene_setup);
30 
31 PUBLISHED:
32  virtual void output(std::ostream &out) const;
33 
34  INLINE CullResult *get_cull_result() const;
35  INLINE SceneSetup *get_scene_setup() const;
36 
37  virtual void upcall();
38 
39 private:
40  CullResult *_cull_result;
41  SceneSetup *_scene_setup;
42 
43 public:
44  static TypeHandle get_class_type() {
45  return _type_handle;
46  }
47  static void init_type() {
48  CallbackData::init_type();
49  register_type(_type_handle, "DisplayRegionDrawCallbackData",
50  CallbackData::get_class_type());
51  }
52  virtual TypeHandle get_type() const {
53  return get_class_type();
54  }
55  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
56 
57 private:
58  static TypeHandle _type_handle;
59 };
60 
62 
63 #endif
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
This is a generic data block that is passed along to a CallbackObject when a callback is made.
Definition: callbackData.h:29
virtual void upcall()
You should make this call during the callback if you want to continue the normal function that would ...
This stores the result of a BinCullHandler traversal: an ordered collection of CullBins,...
Definition: cullResult.h:44
This specialization on CallbackData is passed when the callback is initiated from the draw traversal,...
This object holds the camera position, etc., and other general setup information for rendering a part...
Definition: sceneSetup.h:32
TypeHandle is the identifier used to differentiate C++ class types.
Definition: typeHandle.h:81
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
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