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geomLinestripsAdjacency.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 geomLinestripsAdjacency.h
10 * @author rdb
11 * @date 2018-03-01
12 */
13
14#ifndef GEOMLINESTRIPSADJACENCY_H
15#define GEOMLINESTRIPSADJACENCY_H
16
17#include "pandabase.h"
18#include "geomPrimitive.h"
19
20/**
21 * Defines a series of line strips with adjacency information.
22 *
23 * @since 1.10.0
24 */
25 class EXPCL_PANDA_GOBJ GeomLinestripsAdjacency : public GeomPrimitive {
26PUBLISHED:
27 explicit GeomLinestripsAdjacency(UsageHint usage_hint);
28 GeomLinestripsAdjacency(const GeomLinestripsAdjacency &copy);
29 virtual ~GeomLinestripsAdjacency();
30 ALLOC_DELETED_CHAIN(GeomLinestripsAdjacency);
31
32 public:
33 virtual PT(GeomPrimitive) make_copy() const;
34 virtual PrimitiveType get_primitive_type() const;
35 virtual int get_geom_rendering() const;
36
37 virtual int get_min_num_vertices_per_primitive() const;
38 virtual int get_num_unused_vertices_per_primitive() const;
39
40 public:
41 virtual bool draw(GraphicsStateGuardianBase *gsg,
42 const GeomPrimitivePipelineReader *reader,
43 bool force) const;
44
45 protected:
46 virtual CPT(GeomPrimitive) decompose_impl() const;
47 virtual bool requires_unused_vertices() const;
48 virtual void append_unused_vertices(GeomVertexArrayData *vertices,
49 int vertex);
50
51 public:
52 static void register_with_read_factory();
53
54 protected:
55 static TypedWritable *make_from_bam(const FactoryParams &params);
56
57 public:
58 static TypeHandle get_class_type() {
59 return _type_handle;
60 }
61 static void init_type() {
62 GeomPrimitive::init_type();
63 register_type(_type_handle, "GeomLinestripsAdjacency",
64 GeomPrimitive::get_class_type());
65 }
66 virtual TypeHandle get_type() const {
67 return get_class_type();
68 }
69 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
70
71 private:
72 static TypeHandle _type_handle;
73
74 friend class Geom;
75};
76
77#endif
FactoryParams
An instance of this class is passed to the Factory when requesting it to do its business and construc...
Definition factoryParams.h:36
GeomLinestripsAdjacency::register_with_read_factory
static void register_with_read_factory()
Tells the BamReader how to create objects of type Geom.
Definition geomLinestripsAdjacency.cxx:192
GeomLinestripsAdjacency::get_primitive_type
virtual PrimitiveType get_primitive_type() const
Returns the fundamental rendering type of this primitive: whether it is points, lines,...
Definition geomLinestripsAdjacency.cxx:67
GeomLinestripsAdjacency::draw
virtual bool draw(GraphicsStateGuardianBase *gsg, const GeomPrimitivePipelineReader *reader, bool force) const
Calls the appropriate method on the GSG to draw the primitive.
Definition geomLinestripsAdjacency.cxx:112
GeomPrimitive::get_min_num_vertices_per_primitive
get_min_num_vertices_per_primitive
Returns the minimum number of vertices that must be added before close_primitive() may legally be cal...
Definition geomPrimitive.h:195
GeomPrimitive::get_geom_rendering
get_geom_rendering
Returns the set of GeomRendering bits that represent the rendering properties required to properly re...
Definition geomPrimitive.h:73
GeomPrimitive::get_num_unused_vertices_per_primitive
get_num_unused_vertices_per_primitive
Returns the number of vertices that are added between primitives that aren't, strictly speaking,...
Definition geomPrimitive.h:196
GeomVertexArrayData
This is the data for one array of a GeomVertexData structure.
Definition geomVertexArrayData.h:58
GraphicsStateGuardianBase
This is a base class for the GraphicsStateGuardian class, which is itself a base class for the variou...
Definition graphicsStateGuardianBase.h:110
TypeHandle
TypeHandle is the identifier used to differentiate C++ class types.
Definition typeHandle.h:81
TypedWritable
Base class for objects that can be written to and read from Bam files.
Definition typedWritable.h:35
geomPrimitive.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
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