Panda3D

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collisionFloorMesh.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 collisionFloorMesh.h
10 * @author zpavlov
11 * @date 2007-06-28
12 */
13
14#ifndef COLLISIONFLOORMESH_H
15#define COLLISIONFLOORMESH_H
16
17#include "pandabase.h"
18
19#include "collisionPlane.h"
20#include "clipPlaneAttrib.h"
21#include "look_at.h"
22#include "pvector.h"
23
24 class GeomNode;
25
26/**
27 * This object represents a solid made entirely of triangles, which will only
28 * be tested again z axis aligned rays
29 */
30 class EXPCL_PANDA_COLLIDE CollisionFloorMesh : public CollisionSolid {
31 public:
32 typedef struct {
33 unsigned int p1;
34 unsigned int p2;
35 unsigned int p3;
36 PN_stdfloat min_x;
37 PN_stdfloat max_x;
38 PN_stdfloat min_y;
39 PN_stdfloat max_y;
40 } TriangleIndices;
41
42PUBLISHED:
43 INLINE CollisionFloorMesh();
44
45 INLINE void add_vertex(const LPoint3 &vert);
46 void add_triangle(unsigned int pointA, unsigned int pointB, unsigned int pointC);
47
48 INLINE unsigned int get_num_vertices() const;
49 INLINE const LPoint3 &get_vertex(unsigned int index) const;
50 MAKE_SEQ(get_vertices, get_num_vertices, get_vertex);
51 INLINE unsigned int get_num_triangles() const;
52 INLINE LPoint3i get_triangle(unsigned int index) const;
53 MAKE_SEQ(get_triangles, get_num_triangles, get_triangle);
54
55 virtual LPoint3 get_collision_origin() const;
56
57PUBLISHED:
58 MAKE_SEQ_PROPERTY(vertices, get_num_vertices, get_vertex);
59 MAKE_SEQ_PROPERTY(triangles, get_num_triangles, get_triangle);
60
61 public:
62 CollisionFloorMesh(const CollisionFloorMesh &copy);
63 virtual CollisionSolid *make_copy();
64
65 public:
66
67 virtual void xform(const LMatrix4 &mat);
68
69 virtual PStatCollector &get_volume_pcollector();
70 virtual PStatCollector &get_test_pcollector();
71
72 virtual void output(std::ostream &out) const;
73 virtual void write(std::ostream &out, int indent_level = 0) const;
74
75 INLINE static void flush_level();
76
77 protected:
78 virtual PT(BoundingVolume) compute_internal_bounds() const;
79
80 virtual PT(CollisionEntry)
81 test_intersection_from_ray(const CollisionEntry &entry) const;
82 virtual PT(CollisionEntry)
83 test_intersection_from_sphere(const CollisionEntry &entry) const;
84
85 virtual void fill_viz_geom();
86
87 private:
88 typedef pvector<LPoint3> Vertices;
89 typedef pvector<TriangleIndices> Triangles;
90
91 Vertices _vertices;
92 Triangles _triangles;
93
94 static PStatCollector _volume_pcollector;
95 static PStatCollector _test_pcollector;
96
97 protected:
98 void fillin(DatagramIterator& scan, BamReader* manager);
99
100 public:
101 static void register_with_read_factory();
102 virtual void write_datagram(BamWriter* manager, Datagram &me);
103
104 static TypedWritable *make_CollisionFloorMesh(const FactoryParams &params);
105 static TypeHandle get_class_type() {
106 return _type_handle;
107 }
108 static void init_type() {
109 CollisionSolid::init_type();
110 register_type(_type_handle, "CollisionFloorMesh",
111 CollisionSolid::get_class_type());
112 }
113 virtual TypeHandle get_type() const {
114 return get_class_type();
115 }
116 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
117
118 private:
119 static TypeHandle _type_handle;
120};
121
122#include "collisionFloorMesh.I"
123
124#endif
BamReader
This is the fundamental interface for extracting binary objects from a Bam file, as generated by a Ba...
Definition bamReader.h:110
BamWriter
This is the fundamental interface for writing binary objects to a Bam file, to be extracted later by ...
Definition bamWriter.h:63
BoundingVolume
This is an abstract class for any volume in any sense which can be said to define the locality of ref...
Definition boundingVolume.h:41
CollisionEntry
Defines a single collision event.
Definition collisionEntry.h:42
CollisionFloorMesh::make_CollisionFloorMesh
static TypedWritable * make_CollisionFloorMesh(const FactoryParams &params)
Factory method to generate a CollisionPolygon object.
Definition collisionFloorMesh.cxx:394
CollisionFloorMesh::add_triangle
void add_triangle(unsigned int pointA, unsigned int pointB, unsigned int pointC)
store a triangle for processing
Definition collisionFloorMesh.cxx:425
CollisionFloorMesh::flush_level
static void flush_level()
Flushes the PStatCollectors used during traversal.
Definition collisionFloorMesh.I:35
CollisionFloorMesh::get_collision_origin
virtual LPoint3 get_collision_origin() const
Returns the point in space deemed to be the "origin" of the solid for collision purposes.
Definition collisionFloorMesh.cxx:83
CollisionFloorMesh::register_with_read_factory
static void register_with_read_factory()
Factory method to generate a CollisionPolygon object.
Definition collisionFloorMesh.cxx:408
CollisionFloorMesh::add_vertex
void add_vertex(const LPoint3 &vert)
store away a vertex to index against
Definition collisionFloorMesh.I:44
CollisionFloorMesh::CollisionFloorMesh
CollisionFloorMesh()
This is only for the convenience of CollisionPolygon.
Definition collisionFloorMesh.I:19
CollisionSolid::write_datagram
virtual void write_datagram(BamWriter *manager, Datagram &me)
Function to write the important information in the particular object to a Datagram.
Definition collisionSolid.cxx:345
CollisionSolid::get_test_pcollector
virtual PStatCollector & get_test_pcollector()
Returns a PStatCollector that is used to count the number of intersection tests made against a solid ...
Definition collisionSolid.cxx:169
CollisionSolid::xform
virtual void xform(const LMatrix4 &mat)
Transforms the solid by the indicated matrix.
Definition collisionSolid.cxx:118
CollisionSolid::get_volume_pcollector
virtual PStatCollector & get_volume_pcollector()
Returns a PStatCollector that is used to count the number of bounding volume tests made against a sol...
Definition collisionSolid.cxx:160
DatagramIterator
A class to retrieve the individual data elements previously stored in a Datagram.
Definition datagramIterator.h:30
Datagram
An ordered list of data elements, formatted in memory for transmission over a socket or writing to a ...
Definition datagram.h:38
FactoryParams
An instance of this class is passed to the Factory when requesting it to do its business and construc...
Definition factoryParams.h:36
GeomNode
A node that holds Geom objects, renderable pieces of geometry.
Definition geomNode.h:34
PStatCollector
A lightweight class that represents a single element that may be timed and/or counted via stats.
Definition pStatCollector.h:43
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
clipPlaneAttrib.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
collisionFloorMesh.I
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
collisionPlane.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
look_at.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
pandabase.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
pvector.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