Panda3D
bulletTriangleMesh.h
Go to the documentation of this file.
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 bulletTriangleMesh.h
10  * @author enn0x
11  * @date 2010-02-09
12  */
13 
14 #ifndef __BULLET_TRIANGLE_MESH_H__
15 #define __BULLET_TRIANGLE_MESH_H__
16 
17 #include "pandabase.h"
18 
19 #include "bullet_includes.h"
20 #include "bullet_utils.h"
21 
23 #include "nodePath.h"
24 #include "luse.h"
25 #include "geom.h"
26 #include "pta_LVecBase3.h"
27 #include "pta_int.h"
28 
29 /**
30  *
31  */
32 class EXPCL_PANDABULLET BulletTriangleMesh : public TypedWritableReferenceCount {
33 PUBLISHED:
35  ~BulletTriangleMesh() = default;
36 
37  void add_triangle(const LPoint3 &p0,
38  const LPoint3 &p1,
39  const LPoint3 &p2,
40  bool remove_duplicate_vertices=false);
41  void add_array(const PTA_LVecBase3 &points,
42  const PTA_int &indices,
43  bool remove_duplicate_vertices=false);
44  void add_geom(const Geom *geom,
45  bool remove_duplicate_vertices=false,
46  const TransformState *ts=TransformState::make_identity());
47 
48  void set_welding_distance(PN_stdfloat distance);
49  void preallocate(int num_verts, int num_indices);
50 
51  size_t get_num_triangles() const;
52  PN_stdfloat get_welding_distance() const;
53 
54  virtual void output(std::ostream &out) const;
55  virtual void write(std::ostream &out, int indent_level) const;
56 
57 public:
58  size_t get_num_vertices() const;
59  LPoint3 get_vertex(size_t index) const;
60 
61  LVecBase3i get_triangle(size_t index) const;
62 
63  size_t do_get_num_triangles() const;
64  void do_add_triangle(const LPoint3 &p0,
65  const LPoint3 &p1,
66  const LPoint3 &p2,
67  bool remove_duplicate_vertices=false);
68 
69 PUBLISHED:
70  MAKE_PROPERTY(welding_distance, get_welding_distance, set_welding_distance);
71 
72  MAKE_SEQ_PROPERTY(vertices, get_num_vertices, get_vertex);
73  MAKE_SEQ_PROPERTY(triangles, get_num_triangles, get_triangle);
74 
75 public:
76  INLINE btStridingMeshInterface *ptr() const;
77 
78 private:
79  unsigned int find_or_add_vertex(const LVecBase3 &p);
80 
81  btTriangleIndexVertexArray _mesh;
82  btAlignedObjectArray<btVector3> _vertices;
83  btAlignedObjectArray<unsigned int> _indices;
84  PN_stdfloat _welding_distance;
85 
86 public:
87  static void register_with_read_factory();
88  virtual void write_datagram(BamWriter *manager, Datagram &dg);
89 
90 protected:
91  static TypedWritable *make_from_bam(const FactoryParams &params);
92  void fillin(DatagramIterator &scan, BamReader *manager);
93 
94 public:
95  static TypeHandle get_class_type() {
96  return _type_handle;
97  }
98  static void init_type() {
99  TypedWritableReferenceCount::init_type();
100  register_type(_type_handle, "BulletTriangleMesh",
101  TypedWritableReferenceCount::get_class_type());
102  }
103  virtual TypeHandle get_type() const {
104  return get_class_type();
105  }
106  virtual TypeHandle force_init_type() {
107  init_type();
108  return get_class_type();
109  }
110 
111 private:
112  static TypeHandle _type_handle;
113 };
114 
115 INLINE std::ostream &operator << (std::ostream &out, const BulletTriangleMesh &obj);
116 
117 #include "bulletTriangleMesh.I"
118 
119 #endif // __BULLET_TRIANGLE_MESH_H__
Geom
A container for geometry primitives.
Definition: geom.h:54
nodePath.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
pandabase.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
DatagramIterator
A class to retrieve the individual data elements previously stored in a Datagram.
Definition: datagramIterator.h:27
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
BamReader
This is the fundamental interface for extracting binary objects from a Bam file, as generated by a Ba...
Definition: bamReader.h:110
bulletTriangleMesh.I
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
BamWriter
This is the fundamental interface for writing binary objects to a Bam file, to be extracted later by ...
Definition: bamWriter.h:63
BulletTriangleMesh
Definition: bulletTriangleMesh.h:32
typedWritableReferenceCount.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
bullet_includes.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
TypedWritable
Base class for objects that can be written to and read from Bam files.
Definition: typedWritable.h:35
Datagram
An ordered list of data elements, formatted in memory for transmission over a socket or writing to a ...
Definition: datagram.h:38
TypeHandle
TypeHandle is the identifier used to differentiate C++ class types.
Definition: typeHandle.h:81
FactoryParams
An instance of this class is passed to the Factory when requesting it to do its business and construc...
Definition: factoryParams.h:36
pta_LVecBase3.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
TypedWritable::write_datagram
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: typedWritable.cxx:54
bullet_utils.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
TransformState
Indicates a coordinate-system transform on vertices.
Definition: transformState.h:54
luse.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
geom.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
pta_int.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
TypedWritableReferenceCount
A base class for things which need to inherit from both TypedWritable and from ReferenceCount.
Definition: typedWritableReferenceCount.h:31
TypedWritable::fillin
virtual void fillin(DatagramIterator &scan, BamReader *manager)
This internal function is intended to be called by each class's make_from_bam() method to read in all...
Definition: typedWritable.cxx:103