Panda3D
geomDrawCallbackData.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 geomDrawCallbackData.h
10  * @author drose
11  * @date 2009-03-13
12  */
13 
14 #ifndef GEOMDRAWCALLBACKDATA_H
15 #define GEOMDRAWCALLBACKDATA_H
16 
17 #include "pandabase.h"
18 #include "callbackData.h"
19 
20 // Forward declarations
21 class CullableObject;
23 
24 /**
25  * This specialization on CallbackData is passed when the callback is
26  * initiated from deep within the draw traversal, for a particular Geom.
27  */
28 class EXPCL_PANDA_PGRAPH GeomDrawCallbackData : public CallbackData {
29 public:
31  GraphicsStateGuardianBase *gsg, bool force);
32 
33 PUBLISHED:
34  virtual void output(std::ostream &out) const;
35 
36  INLINE CullableObject *get_object() const;
37  INLINE GraphicsStateGuardianBase *get_gsg() const;
38  INLINE bool get_force() const;
39 
40  INLINE void set_lost_state(bool lost_state);
41  INLINE bool get_lost_state() const;
42 
43  virtual void upcall();
44 
45 private:
46  CullableObject *_obj;
48  bool _force;
49  bool _lost_state;
50 
51 public:
52  static TypeHandle get_class_type() {
53  return _type_handle;
54  }
55  static void init_type() {
56  CallbackData::init_type();
57  register_type(_type_handle, "GeomDrawCallbackData",
58  CallbackData::get_class_type());
59  }
60  virtual TypeHandle get_type() const {
61  return get_class_type();
62  }
63  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
64 
65 private:
66  static TypeHandle _type_handle;
67 };
68 
69 #include "geomDrawCallbackData.I"
70 
71 #endif
CallbackData
This is a generic data block that is passed along to a CallbackObject when a callback is made.
Definition: callbackData.h:29
CullableObject
The smallest atom of cull.
Definition: cullableObject.h:41
pandabase.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
register_type
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
CallbackData::upcall
virtual void upcall()
You should make this call during the callback if you want to continue the normal function that would ...
Definition: callbackData.cxx:32
TypeHandle
TypeHandle is the identifier used to differentiate C++ class types.
Definition: typeHandle.h:81
GeomDrawCallbackData
This specialization on CallbackData is passed when the callback is initiated from deep within the dra...
Definition: geomDrawCallbackData.h:28
geomDrawCallbackData.I
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
GraphicsStateGuardianBase
This is a base class for the GraphicsStateGuardian class, which is itself a base class for the variou...
Definition: graphicsStateGuardianBase.h:110
callbackData.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.