Panda3D
materialAttrib.h
1 // Filename: materialAttrib.h
2 // Created by: drose (04Mar02)
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 MATERIALATTRIB_H
16 #define MATERIALATTRIB_H
17 
18 #include "pandabase.h"
19 
20 #include "renderAttrib.h"
21 #include "material.h"
22 
23 ////////////////////////////////////////////////////////////////////
24 // Class : MaterialAttrib
25 // Description : Indicates which, if any, material should be applied
26 // to geometry. The material is used primarily to
27 // control lighting effects, and isn't necessary (or
28 // useful) in the absence of lighting.
29 ////////////////////////////////////////////////////////////////////
30 class EXPCL_PANDA_PGRAPH MaterialAttrib : public RenderAttrib {
31 private:
32  INLINE MaterialAttrib();
33 
34 PUBLISHED:
35  static CPT(RenderAttrib) make(Material *material);
36  static CPT(RenderAttrib) make_off();
37  static CPT(RenderAttrib) make_default();
38 
39  INLINE bool is_off() const;
40  INLINE Material *get_material() const;
41 
42 public:
43  virtual void output(ostream &out) const;
44 
45 protected:
46  virtual int compare_to_impl(const RenderAttrib *other) const;
47  virtual size_t get_hash_impl() const;
48  virtual CPT(RenderAttrib) get_auto_shader_attrib_impl(const RenderState *state) const;
49 
50 private:
51  PT(Material) _material;
52 
53 PUBLISHED:
54  static int get_class_slot() {
55  return _attrib_slot;
56  }
57  virtual int get_slot() const {
58  return get_class_slot();
59  }
60 
61 public:
62  static void register_with_read_factory();
63  virtual void write_datagram(BamWriter *manager, Datagram &dg);
64  virtual int complete_pointers(TypedWritable **plist, BamReader *manager);
65 
66 protected:
67  static TypedWritable *make_from_bam(const FactoryParams &params);
68  void fillin(DatagramIterator &scan, BamReader *manager);
69 
70 public:
71  static TypeHandle get_class_type() {
72  return _type_handle;
73  }
74  static void init_type() {
75  RenderAttrib::init_type();
76  register_type(_type_handle, "MaterialAttrib",
77  RenderAttrib::get_class_type());
78  _attrib_slot = register_slot(_type_handle, 100, make_default);
79  }
80  virtual TypeHandle get_type() const {
81  return get_class_type();
82  }
83  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
84 
85 private:
86  static TypeHandle _type_handle;
87  static int _attrib_slot;
88 };
89 
90 #include "materialAttrib.I"
91 
92 #endif
93 
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
Indicates which, if any, material should be applied to geometry.
Base class for objects that can be written to and read from Bam files.
Definition: typedWritable.h:37
This is the fundamental interface for writing binary objects to a Bam file, to be extracted later by ...
Definition: bamWriter.h:73
This is our own Panda specialization on the default STL list.
Definition: plist.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.
virtual int complete_pointers(TypedWritable **p_list, BamReader *manager)
Receives an array of pointers, one for each time manager->read_pointer() was called in fillin()...
An instance of this class is passed to the Factory when requesting it to do its business and construc...
Definition: factoryParams.h:40
Defines the way an object appears in the presence of lighting.
Definition: material.h:34
This represents a unique collection of RenderAttrib objects that correspond to a particular renderabl...
Definition: renderState.h:53
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