Panda3D
xFileDataObjectDouble.cxx
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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 xFileDataObjectDouble.cxx
10  * @author drose
11  * @date 2004-10-07
12  */
13 
14 #include "xFileDataObjectDouble.h"
15 #include "string_utils.h"
16 #include "indent.h"
17 
18 TypeHandle XFileDataObjectDouble::_type_handle;
19 
20 /**
21  *
22  */
23 XFileDataObjectDouble::
24 XFileDataObjectDouble(const XFileDataDef *data_def, double value) :
25  XFileDataObject(data_def),
26  _value(value)
27 {
28 }
29 
30 /**
31  * Writes a suitable representation of this node to an .x file in text mode.
32  */
34 output_data(std::ostream &out) const {
35  out << get_string_value();
36 }
37 
38 /**
39  * Writes a suitable representation of this node to an .x file in text mode.
40  */
42 write_data(std::ostream &out, int indent_level, const char *separator) const {
43  indent(out, indent_level)
44  << get_string_value() << separator << "\n";
45 }
46 
47 /**
48  * Sets the object's value as an integer, if this is legal.
49  */
50 void XFileDataObjectDouble::
51 set_int_value(int int_value) {
52  _value = (double)int_value;
53 }
54 
55 /**
56  * Sets the object's value as a floating-point number, if this is legal.
57  */
58 void XFileDataObjectDouble::
59 set_double_value(double double_value) {
60  _value = double_value;
61 }
62 
63 /**
64  * Returns the object's representation as an integer, if it has one.
65  */
66 int XFileDataObjectDouble::
67 get_int_value() const {
68  return (int)_value;
69 }
70 
71 /**
72  * Returns the object's representation as a double, if it has one.
73  */
74 double XFileDataObjectDouble::
75 get_double_value() const {
76  return _value;
77 }
78 
79 /**
80  * Returns the object's representation as a string, if it has one.
81  */
82 std::string XFileDataObjectDouble::
83 get_string_value() const {
84  // It's important to format with a decimal point, even if the value is
85  // integral, since the DirectX .x reader differentiates betweens doubles and
86  // integers on parsing.
87  char buffer[128];
88  sprintf(buffer, "%f", _value);
89 
90  return buffer;
91 }
virtual void write_data(std::ostream &out, int indent_level, const char *separator) const
Writes a suitable representation of this node to an .x file in text mode.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
A definition of a single data element appearing within a template record.
Definition: xFileDataDef.h:31
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
std::ostream & indent(std::ostream &out, int indent_level)
A handy function for doing text formatting.
Definition: indent.cxx:20
virtual void output_data(std::ostream &out) const
Writes a suitable representation of this node to an .x file in text mode.
TypeHandle is the identifier used to differentiate C++ class types.
Definition: typeHandle.h:81
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
The abstract base class for a number of different types of data elements that may be stored in the X ...