Panda3D

userVertexSlider.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 userVertexSlider.h
10 * @author drose
11 * @date 2005-03-28
12 */
13
14 #ifndef USERVERTEXSLIDER_H
15 #define USERVERTEXSLIDER_H
16
17 #include "pandabase.h"
18 #include "vertexSlider.h"
19 #include "cycleData.h"
20 #include "cycleDataReader.h"
21 #include "cycleDataWriter.h"
22 #include "pipelineCycler.h"
23
24 class FactoryParams;
25
26 /**
27 * This is a specialization on VertexSlider that allows the user to specify
28 * any arbitrary slider valie he likes. This is rarely used except for
29 * testing.
30 */
31 class EXPCL_PANDA_GOBJ UserVertexSlider : public VertexSlider {
32 PUBLISHED:
33 explicit UserVertexSlider(const std::string &name);
34 explicit UserVertexSlider(const InternalName *name);
35
36 INLINE void set_slider(PN_stdfloat slider);
37 virtual PN_stdfloat get_slider() const;
38
39 private:
40 // This is the data that must be cycled between pipeline stages.
41 class EXPCL_PANDA_GOBJ CData : public CycleData {
42 public:
43 INLINE CData();
44 INLINE CData(const CData &copy);
45 virtual CycleData *make_copy() const;
46 virtual void write_datagram(BamWriter *manager, Datagram &dg) const;
47 virtual void fillin(DatagramIterator &scan, BamReader *manager);
48 virtual TypeHandle get_parent_type() const {
49 return UserVertexSlider::get_class_type();
50 }
51
52 PN_stdfloat _slider;
53 };
54
55 PipelineCycler<CData> _cycler;
56 typedef CycleDataReader<CData> CDReader;
57 typedef CycleDataWriter<CData> CDWriter;
58
59 public:
60 static void register_with_read_factory();
61 virtual void write_datagram(BamWriter *manager, Datagram &dg);
62
63 protected:
64 static TypedWritable *make_from_bam(const FactoryParams &params);
65 void fillin(DatagramIterator &scan, BamReader *manager);
66
67 public:
68 static TypeHandle get_class_type() {
69 return _type_handle;
70 }
71 static void init_type() {
72 VertexSlider::init_type();
73 register_type(_type_handle, "UserVertexSlider",
74 VertexSlider::get_class_type());
75 }
76 virtual TypeHandle get_type() const {
77 return get_class_type();
78 }
79 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
80
81 private:
82 static TypeHandle _type_handle;
83 };
84
85 #include "userVertexSlider.I"
86
87 #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
CycleDataReader
This template class calls PipelineCycler::read_unlocked(), and then provides a transparent read-only ...
Definition: cycleDataReader.h:35
CycleDataWriter
This template class calls PipelineCycler::write() in the constructor and PipelineCycler::release_writ...
Definition: cycleDataWriter.h:34
CycleData
A single page of data maintained by a PipelineCycler.
Definition: cycleData.h:50
DatagramIterator
A class to retrieve the individual data elements previously stored in a Datagram.
Definition: datagramIterator.h:27
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
InternalName
Encodes a string name in a hash table, mapping it to a pointer.
Definition: internalName.h:38
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
UserVertexSlider
This is a specialization on VertexSlider that allows the user to specify any arbitrary slider valie h...
Definition: userVertexSlider.h:31
VertexSlider
This is an abstract base class that retains some slider value, which is a linear value that typically...
Definition: vertexSlider.h:37
cycleDataReader.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
cycleDataWriter.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
cycleData.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
pandabase.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
pipelineCycler.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
PipelineCycler< CData >
userVertexSlider.I
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
vertexSlider.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.