Panda3D
animChannelScalarTable.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 animChannelScalarTable.h
10 * @author drose
11 * @date 1999-02-22
12 */
13
14#ifndef ANIMCHANNELSCALARTABLE_H
15#define ANIMCHANNELSCALARTABLE_H
16
17#include "pandabase.h"
18
19#include "animChannel.h"
20
21#include "pointerToArray.h"
22#include "pta_stdfloat.h"
23
24/**
25 * An animation channel that issues a scalar each frame, read from a table
26 * such as might have been read from an egg file.
27 */
28class EXPCL_PANDA_CHAN AnimChannelScalarTable : public AnimChannelScalar {
29protected:
32
33PUBLISHED:
34 AnimChannelScalarTable(AnimGroup *parent, const std::string &name);
35
36public:
37 virtual bool has_changed(int last_frame, double last_frac,
38 int this_frame, double this_frac);
39 virtual void get_value(int frame, PN_stdfloat &value);
40
41PUBLISHED:
42 void set_table(const CPTA_stdfloat &table);
43 INLINE CPTA_stdfloat get_table() const;
44
45 INLINE bool has_table() const;
46 INLINE void clear_table();
47
48 MAKE_PROPERTY2(table, has_table, get_table, set_table, clear_table);
49
50public:
51 virtual void write(std::ostream &out, int indent_level) const;
52
53protected:
54 virtual AnimGroup *make_copy(AnimGroup *parent) const;
55
56protected:
57 CPTA_stdfloat _table;
58
59public:
60 static void register_with_read_factory();
61 virtual void write_datagram(BamWriter* manager, Datagram &me);
62
63 static TypedWritable *make_AnimChannelScalarTable(const FactoryParams &params);
64
65protected:
66 void fillin(DatagramIterator& scan, BamReader* manager);
67
68public:
69 virtual TypeHandle get_type() const {
70 return get_class_type();
71 }
72 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
73 static TypeHandle get_class_type() {
74 return _type_handle;
75 }
76 static void init_type() {
77 AnimChannelScalar::init_type();
78 register_type(_type_handle, "AnimChannelScalarTable",
79 AnimChannelScalar::get_class_type());
80 }
81
82private:
83 static TypeHandle _type_handle;
84};
85
87
88#endif
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
virtual bool has_changed(int last_frame, double last_frac, int this_frame, double this_frac)
Returns true if the value has changed since the last call to has_changed().
virtual void write_datagram(BamWriter *manager, Datagram &me)
Function to write the important information in the particular object to a Datagram.
An animation channel that issues a scalar each frame, read from a table such as might have been read ...
This template class is the parent class for all kinds of AnimChannels that return different values.
Definition: animChannel.h:28
This is the base class for AnimChannel and AnimBundle.
Definition: animGroup.h:33
virtual void write(std::ostream &out, int indent_level) const
Writes a brief description of the group and all of its descendants.
Definition: animGroup.cxx:192
static void register_with_read_factory()
Factory method to generate a AnimGroup object.
Definition: animGroup.cxx:308
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
Similar to PointerToArray, except that its contents may not be modified.
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...
Definition: factoryParams.h:36
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.
Definition: typedWritable.h:35
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(),...
Definition: register_type.I:22