Panda3D
geomTristripsAdjacency.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 geomTristripsAdjacency.h
10 * @author rdb
11 * @date 2018-03-01
12 */
13
14#ifndef GEOMTRISTRIPSADJACENCY_H
15#define GEOMTRISTRIPSADJACENCY_H
16
17#include "pandabase.h"
18#include "geomPrimitive.h"
19
20/**
21 * Defines a series of triangle strips with adjacency information.
22 *
23 * @since 1.10.0
24 */
25class EXPCL_PANDA_GOBJ GeomTristripsAdjacency : public GeomPrimitive {
26PUBLISHED:
27 explicit GeomTristripsAdjacency(UsageHint usage_hint);
30 ALLOC_DELETED_CHAIN(GeomTristripsAdjacency);
31
32public:
33 virtual PT(GeomPrimitive) make_copy() const;
34 virtual PrimitiveType get_primitive_type() const;
35 virtual int get_geom_rendering() const;
36 virtual int get_min_num_vertices_per_primitive() const;
37 virtual int get_num_unused_vertices_per_primitive() const;
38
39public:
40 virtual bool draw(GraphicsStateGuardianBase *gsg,
41 const GeomPrimitivePipelineReader *reader,
42 bool force) const;
43
44protected:
45 virtual bool requires_unused_vertices() const;
46 virtual void append_unused_vertices(GeomVertexArrayData *vertices,
47 int vertex);
48
49public:
50 static void register_with_read_factory();
51
52protected:
53 static TypedWritable *make_from_bam(const FactoryParams &params);
54
55public:
56 static TypeHandle get_class_type() {
57 return _type_handle;
58 }
59 static void init_type() {
60 GeomPrimitive::init_type();
61 register_type(_type_handle, "GeomTristripsAdjacency",
62 GeomPrimitive::get_class_type());
63 }
64 virtual TypeHandle get_type() const {
65 return get_class_type();
66 }
67 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
68
69private:
70 static TypeHandle _type_handle;
71
72 friend class Geom;
73};
74
75#endif
An instance of this class is passed to the Factory when requesting it to do its business and construc...
Definition: factoryParams.h:36
Encapsulates the data from a GeomPrimitive, pre-fetched for one stage of the pipeline.
This is an abstract base class for a family of classes that represent the fundamental geometry primit...
Definition: geomPrimitive.h:56
get_min_num_vertices_per_primitive
Returns the minimum number of vertices that must be added before close_primitive() may legally be cal...
get_geom_rendering
Returns the set of GeomRendering bits that represent the rendering properties required to properly re...
Definition: geomPrimitive.h:73
get_num_unused_vertices_per_primitive
Returns the number of vertices that are added between primitives that aren't, strictly speaking,...
Defines a series of triangle strips with adjacency information.
This is the data for one array of a GeomVertexData structure.
A container for geometry primitives.
Definition: geom.h:54
This is a base class for the GraphicsStateGuardian class, which is itself a base class for the variou...
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