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source: code/branches/doc/src/libraries/util/mbool.h @ 7306

Last change on this file since 7306 was 7268, checked in by rgrieder, 14 years ago

operator=() should not return constant references.

  • Property svn:eol-style set to native
File size: 2.7 KB
Line 
1/*
2 *   ORXONOX - the hottest 3D action shooter ever to exist
3 *                    > www.orxonox.net <
4 *
5 *
6 *   License notice:
7 *
8 *   This program is free software; you can redistribute it and/or
9 *   modify it under the terms of the GNU General Public License
10 *   as published by the Free Software Foundation; either version 2
11 *   of the License, or (at your option) any later version.
12 *
13 *   This program is distributed in the hope that it will be useful,
14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *   GNU General Public License for more details.
17 *
18 *   You should have received a copy of the GNU General Public License
19 *   along with this program; if not, write to the Free Software
20 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
21 *
22 *   Author:
23 *      Fabian 'x3n' Landau
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29#ifndef _mbool_H__
30#define _mbool_H__
31
32#include "UtilPrereqs.h"
33
34namespace orxonox
35{
36    struct _UtilExport mbool
37    {
38        public:
39            inline mbool(bool value = false)
40                { this->value_.memory_ = 0; this->value_.bool_ = value; }
41            inline mbool(const mbool& value)
42                { this->value_.memory_ = value.value_.memory_; }
43
44            inline mbool& operator=(bool value)
45                { if (value != this->value_.bool_) { ++this->value_.memory_; } return (*this); }
46            inline mbool& operator=(const mbool& value)
47                { this->value_.memory_ = value.value_.memory_; return (*this); }
48
49            inline mbool& operator++()
50                { ++this->value_.memory_; return (*this); }
51            inline mbool operator++(int i)
52                { mbool temp = (*this); ++this->value_.memory_; return temp; }
53
54            inline operator bool() const
55                { return this->value_.bool_; }
56
57            inline bool operator==(bool other) const
58                { return this->value_.bool_ == other; }
59            inline bool operator!=(bool other) const
60                { return this->value_.bool_ != other; }
61
62            inline bool operator==(const mbool& other) const
63                { return this->value_.memory_ == other.value_.memory_; }
64            inline bool operator!=(const mbool& other) const
65                { return this->value_.memory_ != other.value_.memory_; }
66
67            inline bool operator!() const
68                { return (!this->value_.bool_); }
69
70            inline unsigned char& getMemory(){ return value_.memory_; }
71
72        private:
73            union
74            {
75                bool bool_ : 1;
76                unsigned char memory_;
77            } value_;
78    };
79}
80
81#endif /* _mbool_H__ */
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