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transformTable.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 transformTable.h
10 * @author drose
11 * @date 2005-03-23
12 */
13
14#ifndef TRANSFORMTABLE_H
15#define TRANSFORMTABLE_H
16
17#include "pandabase.h"
18#include "vertexTransform.h"
20#include "pointerTo.h"
21#include "luse.h"
22#include "pvector.h"
23#include "cycleData.h"
24#include "cycleDataReader.h"
25#include "cycleDataWriter.h"
26#include "pipelineCycler.h"
27
28class FactoryParams;
29
30/**
31 * Stores the total set of VertexTransforms that the vertices in a particular
32 * GeomVertexData object might depend on.
33 *
34 * This structure is used for a GeomVertexData set up to compute its dynamic
35 * vertices on the graphics card. See TransformBlendTable for one set up to
36 * compute its dynamic vertices on the CPU.
37 */
38class EXPCL_PANDA_GOBJ TransformTable : public TypedWritableReferenceCount {
39PUBLISHED:
41 TransformTable(const TransformTable &copy);
42 void operator = (const TransformTable &copy);
43 virtual ~TransformTable();
44
45 INLINE bool is_registered() const;
46 INLINE static CPT(TransformTable) register_table(const TransformTable *table);
47
48 INLINE size_t get_num_transforms() const;
49 INLINE const VertexTransform *get_transform(size_t n) const;
50 MAKE_SEQ(get_transforms, get_num_transforms, get_transform);
51 INLINE UpdateSeq get_modified(Thread *current_thread = Thread::get_current_thread()) const;
52
53 void set_transform(size_t n, const VertexTransform *transform);
54 void insert_transform(size_t n, const VertexTransform *transform);
55 void remove_transform(size_t n);
56 size_t add_transform(const VertexTransform *transform);
57
58 void write(std::ostream &out) const;
59
60 MAKE_PROPERTY(registered, is_registered);
61 MAKE_PROPERTY(modified, get_modified);
62 MAKE_SEQ_PROPERTY(transforms, get_num_transforms, get_transform, set_transform,
63 remove_transform, insert_transform);
64
65private:
66 void do_register();
67 void do_unregister();
68 INLINE void update_modified(UpdateSeq modified, Thread *current_thread);
69
70private:
71 bool _is_registered;
72
73 typedef pvector< CPT(VertexTransform) > Transforms;
74 Transforms _transforms;
75
76 // This is the data that must be cycled between pipeline stages.
77 class EXPCL_PANDA_GOBJ CData : public CycleData {
78 public:
79 INLINE CData();
80 INLINE CData(const CData &copy);
81 virtual CycleData *make_copy() const;
82 virtual void write_datagram(BamWriter *manager, Datagram &dg) const;
83 virtual void fillin(DatagramIterator &scan, BamReader *manager);
84 virtual TypeHandle get_parent_type() const {
85 return TransformTable::get_class_type();
86 }
87
88 UpdateSeq _modified;
89 };
90
92 typedef CycleDataReader<CData> CDReader;
93 typedef CycleDataWriter<CData> CDWriter;
94
95public:
96 static void register_with_read_factory();
97 virtual void write_datagram(BamWriter *manager, Datagram &dg);
98 virtual int complete_pointers(TypedWritable **plist, BamReader *manager);
99
100protected:
101 static TypedWritable *make_from_bam(const FactoryParams &params);
102 void fillin(DatagramIterator &scan, BamReader *manager);
103
104public:
105 static TypeHandle get_class_type() {
106 return _type_handle;
107 }
108 static void init_type() {
109 TypedWritableReferenceCount::init_type();
110 register_type(_type_handle, "TransformTable",
111 TypedWritableReferenceCount::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
118private:
119 static TypeHandle _type_handle;
120
121 friend class VertexTransform;
122};
123
124INLINE std::ostream &operator << (std::ostream &out, const TransformTable &obj);
125
126#include "transformTable.I"
127
128#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
This template class calls PipelineCycler::read_unlocked(), and then provides a transparent read-only ...
This template class calls PipelineCycler::write() in the constructor and PipelineCycler::release_writ...
A single page of data maintained by a PipelineCycler.
Definition cycleData.h:50
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 thread; that is, a lightweight process.
Definition thread.h:46
get_current_thread
Returns a pointer to the currently-executing Thread object.
Definition thread.h:109
Stores the total set of VertexTransforms that the vertices in a particular GeomVertexData object migh...
TypeHandle is the identifier used to differentiate C++ class types.
Definition typeHandle.h:81
A base class for things which need to inherit from both TypedWritable and from ReferenceCount.
Base class for objects that can be written to and read from Bam files.
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...
virtual void write_datagram(BamWriter *manager, Datagram &dg)
Writes the contents of this object to the datagram for shipping out to a Bam file.
virtual int complete_pointers(TypedWritable **p_list, BamReader *manager)
Receives an array of pointers, one for each time manager->read_pointer() was called in fillin().
This is a sequence number that increments monotonically.
Definition updateSeq.h:37
This is an abstract base class that holds a pointer to some transform, computed in some arbitrary way...
This is our own Panda specialization on the default STL list.
Definition plist.h:35
This is our own Panda specialization on the default STL vector.
Definition pvector.h:42
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
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(),...
This class maintains different copies of a page of data between stages of the graphics pipeline (or a...
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.