Panda3D
lightNode.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 lightNode.h
10  * @author drose
11  * @date 2002-03-26
12  */
13 
14 #ifndef LIGHTNODE_H
15 #define LIGHTNODE_H
16 
17 #include "pandabase.h"
18 
19 #include "light.h"
20 #include "pandaNode.h"
21 
22 /**
23  * A derivative of Light and of PandaNode. All kinds of Light except
24  * Spotlight (which must inherit from LensNode instead) inherit from this
25  * class.
26  */
27 class EXPCL_PANDA_PGRAPHNODES LightNode : public Light, public PandaNode {
28 PUBLISHED:
29  explicit LightNode(const std::string &name);
30 
31 protected:
32  LightNode(const LightNode &copy);
33 
34 public:
35  virtual PandaNode *as_node();
36  virtual Light *as_light();
37 
38 PUBLISHED:
39  // We have to explicitly publish these because they resolve the multiple
40  // inheritance.
41  virtual void output(std::ostream &out) const;
42  virtual void write(std::ostream &out, int indent_level = 0) const;
43 
44 public:
45  virtual void write_datagram(BamWriter *manager, Datagram &dg);
46 
47 protected:
48  void fillin(DatagramIterator &scan, BamReader *manager);
49 
50 public:
51  static TypeHandle get_class_type() {
52  return _type_handle;
53  }
54  static void init_type() {
55  Light::init_type();
56  PandaNode::init_type();
57  register_type(_type_handle, "LightNode",
58  Light::get_class_type(),
59  PandaNode::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 
70 INLINE std::ostream &operator << (std::ostream &out, const LightNode &light) {
71  light.output(out);
72  return out;
73 }
74 
75 #include "lightNode.I"
76 
77 #endif
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
virtual Light * as_light()
Cross-casts the node to a Light pointer, if it is one of the four kinds of Light nodes,...
Definition: pandaNode.cxx:2101
A basic node of the scene graph or data graph.
Definition: pandaNode.h:64
The abstract interface to all kinds of lights.
Definition: light.h:38
virtual void write_datagram(BamWriter *manager, Datagram &dg)
Writes the contents of this object to the datagram for shipping out to a Bam file.
Definition: pandaNode.cxx:3589
This is the fundamental interface for extracting binary objects from a Bam file, as generated by a Ba...
Definition: bamReader.h:110
A derivative of Light and of PandaNode.
Definition: lightNode.h:27
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
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
This is the fundamental interface for writing binary objects to a Bam file, to be extracted later by ...
Definition: bamWriter.h:63
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
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:81
An ordered list of data elements, formatted in memory for transmission over a socket or writing to a ...
Definition: datagram.h:38