Panda3D
cullFaceAttrib.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 cullFaceAttrib.h
10 * @author drose
11 * @date 2002-02-27
12 */
13
14#ifndef CULLFACEATTRIB_H
15#define CULLFACEATTRIB_H
16
17#include "pandabase.h"
18
19#include "renderAttrib.h"
20
21class FactoryParams;
22
23/**
24 * Indicates which faces should be culled based on their vertex ordering.
25 */
26class EXPCL_PANDA_PGRAPH CullFaceAttrib : public RenderAttrib {
27PUBLISHED:
28 enum Mode {
29 M_cull_none, // Cull no polygons
30 M_cull_clockwise, // Cull clockwise-oriented polygons
31 M_cull_counter_clockwise, // Cull counter-clockwise-oriented polygons
32 M_cull_unchanged, // Do not change existing cull behavior
33 };
34
35private:
36 INLINE CullFaceAttrib(Mode mode, bool reverse);
37
38PUBLISHED:
39 static CPT(RenderAttrib) make(Mode mode = M_cull_clockwise);
40 static CPT(RenderAttrib) make_reverse();
41 static CPT(RenderAttrib) make_default();
42
43 INLINE Mode get_actual_mode() const;
44 INLINE bool get_reverse() const;
45 Mode get_effective_mode() const;
46
47PUBLISHED:
48 MAKE_PROPERTY(mode, get_actual_mode);
49 MAKE_PROPERTY(reverse, get_reverse);
50 MAKE_PROPERTY(effective_mode, get_effective_mode);
51
52public:
53 virtual void output(std::ostream &out) const;
54
55protected:
56 virtual int compare_to_impl(const RenderAttrib *other) const;
57 virtual size_t get_hash_impl() const;
58 virtual CPT(RenderAttrib) compose_impl(const RenderAttrib *other) const;
59 virtual CPT(RenderAttrib) invert_compose_impl(const RenderAttrib *other) const;
60
61private:
62 Mode _mode;
63 bool _reverse;
64
65PUBLISHED:
66 static int get_class_slot() {
67 return _attrib_slot;
68 }
69 virtual int get_slot() const {
70 return get_class_slot();
71 }
72 MAKE_PROPERTY(class_slot, get_class_slot);
73
74public:
75 static void register_with_read_factory();
76 virtual void write_datagram(BamWriter *manager, Datagram &dg);
77
78protected:
79 static TypedWritable *make_from_bam(const FactoryParams &params);
80 void fillin(DatagramIterator &scan, BamReader *manager);
81
82public:
83 static TypeHandle get_class_type() {
84 return _type_handle;
85 }
86 static void init_type() {
87 RenderAttrib::init_type();
88 register_type(_type_handle, "CullFaceAttrib",
89 RenderAttrib::get_class_type());
90 _attrib_slot = register_slot(_type_handle, 100,
91 new CullFaceAttrib(M_cull_clockwise, false));
92 }
93 virtual TypeHandle get_type() const {
94 return get_class_type();
95 }
96 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
97
98private:
99 static TypeHandle _type_handle;
100 static int _attrib_slot;
101};
102
103#include "cullFaceAttrib.I"
104
105#endif
This is the fundamental interface for extracting binary objects from a Bam file, as generated by a Ba...
Definition: bamReader.h:110
This is the fundamental interface for writing binary objects to a Bam file, to be extracted later by ...
Definition: bamWriter.h:63
Indicates which faces should be culled based on their vertex ordering.
A class to retrieve the individual data elements previously stored in a Datagram.
An ordered list of data elements, formatted in memory for transmission over a socket or writing to a ...
Definition: datagram.h:38
An instance of this class is passed to the Factory when requesting it to do its business and construc...
Definition: factoryParams.h:36
This is the base class for a number of render attributes (other than transform) that may be set on sc...
Definition: renderAttrib.h:51
virtual void write_datagram(BamWriter *manager, Datagram &dg)
Writes the contents of this object to the datagram for shipping out to a Bam file.
static int register_slot(TypeHandle type_handle, int sort, RenderAttrib *default_attrib)
Adds the indicated TypeHandle to the registry, if it is not there already, and returns a unique slot ...
Definition: renderAttrib.I:101
TypeHandle is the identifier used to differentiate C++ class types.
Definition: typeHandle.h:81
Base class for objects that can be written to and read from Bam files.
Definition: typedWritable.h:35
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
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.