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matrixLens.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 matrixLens.h
10 * @author drose
11 * @date 2001-12-12
12 */
13
14#ifndef MATRIXLENS_H
15#define MATRIXLENS_H
16
17#include "pandabase.h"
18
19#include "lens.h"
20
21
22/**
23 * A completely generic linear lens. This is provided for the benefit of low-
24 * level code that wants to specify a perspective or orthographic frustum via
25 * an explicit projection matrix, but not mess around with fov's or focal
26 * lengths or any of that nonsense.
27 */
28class EXPCL_PANDA_GOBJ MatrixLens : public Lens {
29PUBLISHED:
30 INLINE MatrixLens();
31
32public:
33 INLINE MatrixLens(const MatrixLens &copy);
34 INLINE void operator = (const MatrixLens &copy);
35
36PUBLISHED:
37 INLINE void set_user_mat(const LMatrix4 &user_mat);
38 INLINE const LMatrix4 &get_user_mat() const;
39 MAKE_PROPERTY(user_mat, get_user_mat, set_user_mat);
40
41 INLINE void set_left_eye_mat(const LMatrix4 &user_mat);
42 INLINE void clear_left_eye_mat();
43 INLINE bool has_left_eye_mat() const;
44 INLINE const LMatrix4 &get_left_eye_mat() const;
45
46 INLINE void set_right_eye_mat(const LMatrix4 &user_mat);
47 INLINE void clear_right_eye_mat();
48 INLINE bool has_right_eye_mat() const;
49 INLINE const LMatrix4 &get_right_eye_mat() const;
50
51public:
52 virtual PT(Lens) make_copy() const;
53 virtual bool is_linear() const;
54
55 virtual void write(std::ostream &out, int indent_level = 0) const;
56
57protected:
58 virtual void do_compute_projection_mat(Lens::CData *lens_cdata);
59
60private:
61 LMatrix4 _user_mat;
62 LMatrix4 _left_eye_mat;
63 LMatrix4 _right_eye_mat;
64
65 enum MLFlags {
66 MF_has_left_eye = 0x001,
67 MF_has_right_eye = 0x002,
68 };
69 int _ml_flags;
70
71public:
72 static void register_with_read_factory();
73 virtual void write_datagram(BamWriter *manager, Datagram &dg);
74
75protected:
76 static TypedWritable *make_from_bam(const FactoryParams &params);
77 void fillin(DatagramIterator &scan, BamReader *manager);
78
79public:
80 virtual TypeHandle get_type() const {
81 return get_class_type();
82 }
83 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
84 static TypeHandle get_class_type() {
85 return _type_handle;
86 }
87 static void init_type() {
88 Lens::init_type();
89 register_type(_type_handle, "MatrixLens",
90 Lens::get_class_type());
91 }
92
93private:
94 static TypeHandle _type_handle;
95};
96
97#include "matrixLens.I"
98
99#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
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...
A base class for any number of different kinds of lenses, linear and otherwise.
Definition lens.h:41
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 lens.cxx:1852
A completely generic linear lens.
Definition matrixLens.h:28
virtual bool is_linear() const
Returns true if the lens represents a linear projection (e.g.
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.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
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(),...