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source: code/branches/core7/src/libraries/network/synchronisable/Serialise.h @ 10556

Last change on this file since 10556 was 10556, checked in by landauf, 5 years ago

I assume that this should be WeakPtr instead of StrongPtr?

  • Property svn:eol-style set to native
File size: 5.8 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 *      Oliver Scheuss
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29/**
30    @file
31    @brief Functions to serialise pointers to objects that inherit from Synchronisable
32*/
33
34#ifndef _NetworkSerialise_H__
35#define _NetworkSerialise_H__
36
37#include "network/NetworkPrereqs.h"
38
39#include <loki/TypeTraits.h>
40
41#include "util/Serialise.h"
42#include "core/CorePrereqs.h"
43
44namespace orxonox{
45
46    // These functions implement loading / saving / etc. for pointer types
47
48    /** @brief returns the size of the objectID needed to synchronise the pointer */
49    template <class T> inline uint32_t returnSize( T*& variable )
50    {
51      return sizeof(uint32_t);
52    }
53
54    /** @brief reads the objectID of a pointer out of the bytestream and increases the mem pointer */
55    template <class T> inline void loadAndIncrease( T*& variable, uint8_t*& mem )
56    {
57        *const_cast<typename Loki::TypeTraits<T*>::UnqualifiedType*>(&variable) = dynamic_cast<T*>(variable->getSynchronisable( *(uint32_t*)(mem) ));
58        mem += returnSize( variable );
59    }
60
61    /** @brief saves the objectID of a pointer into the bytestream and increases the mem pointer */
62    template <class T> inline void saveAndIncrease( T*& variable, uint8_t*& mem )
63    {
64        if ( variable )
65            *(uint32_t*)(mem) = static_cast<uint32_t>(variable->getObjectID());
66        else
67            *(uint32_t*)(mem) = OBJECTID_UNKNOWN;
68        mem += returnSize( variable );
69    }
70
71    /** @brief checks whether the objectID of the variable is the same as in the bytestream */
72    template <class T> inline  bool checkEquality( T*& variable, uint8_t* mem )
73    {
74        if ( variable )
75            return *(uint32_t*)(mem) == variable->getObjectID();
76        else
77            return variable == variable->getSynchronisable(*(uint32_t*)(mem));
78    }
79
80    // These functions implement loading / saving / etc. for StrongPtr<T>
81
82    /** @brief returns the size of the objectID needed to synchronise the pointer */
83    template <class T> inline uint32_t returnSize( const StrongPtr<T>& )
84    {
85        return sizeof(uint32_t);
86    }
87
88    /** @brief reads the objectID of a pointer out of the bytestream and increases the mem pointer */
89    template <class T> inline void loadAndIncrease( const StrongPtr<T>& variable, uint8_t*& mem )
90    {
91//         *const_cast<typename Loki::TypeTraits<T*>::UnqualifiedType*>(&variable) = dynamic_cast<T*>(variable->getSynchronisable( *(uint32_t*)(mem) ));
92        *const_cast<typename Loki::TypeTraits<StrongPtr<T> >::UnqualifiedType*>(&variable) = orxonox_cast<T*>(T::getSynchronisable(*(uint32_t*)(mem)));
93        mem += returnSize( variable );
94    }
95
96    /** @brief saves the objectID of a pointer into the bytestream and increases the mem pointer */
97    template <class T> inline void saveAndIncrease( const StrongPtr<T>& variable, uint8_t*& mem )
98    {
99        if ( variable.get() )
100            *(uint32_t*)(mem) = static_cast<uint32_t>(variable->getObjectID());
101        else
102            *(uint32_t*)(mem) = OBJECTID_UNKNOWN;
103        mem += returnSize( variable );
104    }
105
106    /** @brief checks whether the objectID of the variable is the same as in the bytestream */
107    template <class T> inline  bool checkEquality( const StrongPtr<T>& variable, uint8_t* mem )
108    {
109        if ( variable.get() )
110            return *(uint32_t*)(mem) == variable->getObjectID();
111        else
112            return *(uint32_t*)(mem) == OBJECTID_UNKNOWN;
113    }
114
115    // These functions implement loading / saving / etc. for WeakPtr<T>
116
117    /** @brief returns the size of the objectID needed to synchronise the pointer */
118    template <class T> inline uint32_t returnSize( const WeakPtr<T>& variable )
119    {
120        return sizeof(uint32_t);
121    }
122
123    /** @brief reads the objectID of a pointer out of the bytestream and increases the mem pointer */
124    template <class T> inline void loadAndIncrease( const WeakPtr<T>& variable, uint8_t*& mem )
125    {
126        //         *const_cast<typename Loki::TypeTraits<T*>::UnqualifiedType*>(&variable) = dynamic_cast<T*>(variable->getSynchronisable( *(uint32_t*)(mem) ));
127        *const_cast<typename Loki::TypeTraits<WeakPtr<T> >::UnqualifiedType*>(&variable) = orxonox_cast<T*>(T::getSynchronisable(*(uint32_t*)(mem)));
128        mem += returnSize( variable );
129    }
130
131    /** @brief saves the objectID of a pointer into the bytestream and increases the mem pointer */
132    template <class T> inline void saveAndIncrease( const WeakPtr<T>& variable, uint8_t*& mem )
133    {
134        if ( variable.get() )
135            *(uint32_t*)(mem) = static_cast<uint32_t>(variable->getObjectID());
136        else
137            *(uint32_t*)(mem) = OBJECTID_UNKNOWN;
138        mem += returnSize( variable );
139    }
140
141    /** @brief checks whether the objectID of the variable is the same as in the bytestream */
142    template <class T> inline  bool checkEquality( const WeakPtr<T>& variable, uint8_t* mem )
143    {
144        if ( variable.get() )
145            return *(uint32_t*)(mem) == variable->getObjectID();
146        else
147            return *(uint32_t*)(mem) == OBJECTID_UNKNOWN;
148    }
149}
150
151
152#endif
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