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source: code/trunk/src/libraries/network/NetworkFunction.h @ 10114

Last change on this file since 10114 was 9667, checked in by landauf, 11 years ago

merged core6 back to trunk

  • Property svn:eol-style set to native
File size: 11.2 KB
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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#ifndef _NetworkFunction_H__
30#define _NetworkFunction_H__
31
32#include "NetworkPrereqs.h"
33
34#include <cassert>
35#include <cstring>
36#include <map>
37#include <string>
38#include <boost/preprocessor/cat.hpp>
39#include <boost/static_assert.hpp>
40
41#include "core/object/Listable.h"
42#include "core/class/Identifier.h"
43#include "core/command/Functor.h"
44#include "FunctionCallManager.h"
45#include "synchronisable/Synchronisable.h"
46
47namespace orxonox
48{
49
50#if defined(ORXONOX_COMPILER_GCC) && defined(ORXONOX_ARCH_32)
51static const unsigned int MAX_FUNCTION_POINTER_SIZE = 8;
52#else
53static const unsigned int MAX_FUNCTION_POINTER_SIZE = 16;
54#endif //ORXONOX_COMPILER_GCC
55static const unsigned int MAX_FUNCTION_POINTER_INTS = (MAX_FUNCTION_POINTER_SIZE-1)/4+1;
56
57struct _NetworkExport NetworkFunctionPointer {
58  uint32_t pointer[MAX_FUNCTION_POINTER_INTS];
59  bool operator<(const NetworkFunctionPointer& b) const
60  {
61#if defined(ORXONOX_COMPILER_GCC) && defined(ORXONOX_ARCH_32)
62    return pointer[0]<b.pointer[0] ? true : pointer[1]<b.pointer[1];
63#else //ORXONOX_COMPILER_GCC
64    return pointer[0]<b.pointer[0] ? true : ( pointer[1]<b.pointer[1] ? true : ( pointer[2]<b.pointer[2] ? true : pointer[3]<b.pointer[3] ) );
65#endif //ORXONOX_COMPILER_GCC
66  }
67};
68
69
70
71
72
73class _NetworkExport NetworkFunctionBase: virtual public Listable {
74  public:
75    NetworkFunctionBase(const std::string& name);
76    ~NetworkFunctionBase();
77
78    virtual void        setNetworkID(uint32_t id)       { this->networkID_ = id; }
79    inline uint32_t     getNetworkID() const            { return this->networkID_; }
80    inline const std::string& getName() const           { return name_; }
81    static inline bool  isStatic( uint32_t networkID )  { return isStaticMap_[networkID]; }
82
83    static inline void setNetworkID(const std::string& name, uint32_t id)
84    {
85        std::map<std::string, NetworkFunctionBase*>& map = NetworkFunctionBase::getNameMap();
86        assert( map.find(name)!=map.end() );
87        map[name]->setNetworkID(id);
88    }
89
90    static void destroyAllNetworkFunctions();
91
92  protected:
93    static std::map<uint32_t, bool> isStaticMap_;
94
95  private:
96    static std::map<std::string, NetworkFunctionBase*>& getNameMap();
97    uint32_t networkID_;
98    std::string name_;
99
100};
101
102
103class _NetworkExport NetworkFunctionStatic: public NetworkFunctionBase {
104  public:
105    NetworkFunctionStatic(const FunctorStaticPtr& functor, const std::string& name, const NetworkFunctionPointer& p);
106
107    inline void call(){ (*this->functor_)(); }
108    inline void call(const MultiType& mt1){ (*this->functor_)(mt1); }
109    inline void call(const MultiType& mt1, const MultiType& mt2){ (*this->functor_)(mt1, mt2); }
110    inline void call(const MultiType& mt1, const MultiType& mt2, const MultiType& mt3){ (*this->functor_)(mt1, mt2, mt3); }
111    inline void call(const MultiType& mt1, const MultiType& mt2, const MultiType& mt3, const MultiType& mt4){ (*this->functor_)(mt1, mt2, mt3, mt4); }
112    inline void call(const MultiType& mt1, const MultiType& mt2, const MultiType& mt3, const MultiType& mt4, const MultiType& mt5){ (*this->functor_)(mt1, mt2, mt3, mt4, mt5); }
113
114    virtual void setNetworkID( uint32_t id )
115        { NetworkFunctionBase::setNetworkID( id ); NetworkFunctionStatic::getIdMap()[id] = this; }
116    static inline NetworkFunctionStatic* getNetworkFunction( uint32_t id)
117        { assert( NetworkFunctionStatic::getIdMap().find(id)!=NetworkFunctionStatic::getIdMap().end() ); return NetworkFunctionStatic::getIdMap()[id]; }
118    static NetworkFunctionStatic* getFunction( uint32_t id )
119        { assert( NetworkFunctionStatic::getIdMap().find(id) != NetworkFunctionStatic::getIdMap().end() ); return NetworkFunctionStatic::getIdMap()[id]; }
120    static NetworkFunctionStatic* getFunction( const NetworkFunctionPointer& p )
121        { assert( NetworkFunctionStatic::getFunctorMap().find(p) != NetworkFunctionStatic::getFunctorMap().end() ); return NetworkFunctionStatic::getFunctorMap()[p]; }
122
123  private:
124    static std::map<NetworkFunctionPointer, NetworkFunctionStatic*>& getFunctorMap();
125    static std::map<uint32_t, NetworkFunctionStatic*>& getIdMap();
126    FunctorStaticPtr functor_;
127
128};
129
130
131class _NetworkExport NetworkMemberFunctionBase: public NetworkFunctionBase {
132  public:
133    NetworkMemberFunctionBase(const std::string& name, const NetworkFunctionPointer& p);
134    ~NetworkMemberFunctionBase();
135
136    virtual void setNetworkID( uint32_t id ){ NetworkFunctionBase::setNetworkID( id ); idMap_[id] = this; }
137    static inline NetworkMemberFunctionBase* getNetworkFunction( uint32_t id){ assert( idMap_.find(id)!=idMap_.end() ); return idMap_[id]; }
138    static NetworkMemberFunctionBase* getFunction( uint32_t id ){ assert( idMap_.find(id) != idMap_.end() ); return idMap_[id]; }
139    static NetworkMemberFunctionBase* getFunction( const NetworkFunctionPointer& p ){ assert( functorMap_.find(p) != functorMap_.end() ); return functorMap_[p]; }
140
141    //
142    virtual bool call(uint32_t objectID)=0;
143    virtual bool call(uint32_t objectID, const MultiType& mt1)=0;
144    virtual bool call(uint32_t objectID, const MultiType& mt1, const MultiType& mt2)=0;
145    virtual bool call(uint32_t objectID, const MultiType& mt1, const MultiType& mt2, const MultiType& mt3)=0;
146    virtual bool call(uint32_t objectID, const MultiType& mt1, const MultiType& mt2, const MultiType& mt3, const MultiType& mt4)=0;
147    virtual bool call(uint32_t objectID, const MultiType& mt1, const MultiType& mt2, const MultiType& mt3, const MultiType& mt4, const MultiType& mt5)=0;
148
149  private:
150    static std::map<NetworkFunctionPointer, NetworkMemberFunctionBase*> functorMap_;
151    static std::map<uint32_t, NetworkMemberFunctionBase*> idMap_;
152};
153
154
155template <class T> class NetworkMemberFunction: public NetworkMemberFunctionBase {
156  public:
157    NetworkMemberFunction(const FunctorMemberPtr<T>& functor, const std::string& name, const NetworkFunctionPointer& p);
158
159    inline bool call(uint32_t objectID)
160    {
161      if ( Synchronisable::getSynchronisable(objectID)!=0 )
162      {
163        (*this->functor_)(orxonox_cast<T*>(Synchronisable::getSynchronisable(objectID)));
164        return true;
165      }
166      else
167        return false;
168    }
169    inline bool call(uint32_t objectID, const MultiType& mt1)
170    {
171      if ( Synchronisable::getSynchronisable(objectID)!=0 )
172      {
173        (*this->functor_)(orxonox_cast<T*>(Synchronisable::getSynchronisable(objectID)), mt1);
174        return true;
175      }
176      else
177        return false;
178    }
179    inline bool call(uint32_t objectID, const MultiType& mt1, const MultiType& mt2)
180    {
181      if ( Synchronisable::getSynchronisable(objectID)!=0 )
182      {
183        (*this->functor_)(orxonox_cast<T*>(Synchronisable::getSynchronisable(objectID)), mt1, mt2);
184        return true;
185      }
186      else
187        return false;
188    }
189    inline bool call(uint32_t objectID, const MultiType& mt1, const MultiType& mt2, const MultiType& mt3)
190    {
191      if ( Synchronisable::getSynchronisable(objectID)!=0 )
192      {
193        (*this->functor_)(orxonox_cast<T*>(Synchronisable::getSynchronisable(objectID)), mt1, mt2, mt3);
194        return true;
195      }
196      else
197        return false;
198    }
199    inline bool call(uint32_t objectID, const MultiType& mt1, const MultiType& mt2, const MultiType& mt3, const MultiType& mt4)
200    {
201      if ( Synchronisable::getSynchronisable(objectID)!=0 )
202      {
203        (*this->functor_)(orxonox_cast<T*>(Synchronisable::getSynchronisable(objectID)), mt1, mt2, mt3, mt4);
204        return true;
205      }
206      else
207        return false;
208    }
209    inline bool call(uint32_t objectID, const MultiType& mt1, const MultiType& mt2, const MultiType& mt3, const MultiType& mt4, const MultiType& mt5)
210    {
211      if ( Synchronisable::getSynchronisable(objectID)!=0 )
212      {
213        (*this->functor_)(orxonox_cast<T*>(Synchronisable::getSynchronisable(objectID)), mt1, mt2, mt3, mt4, mt5);
214        return true;
215      }
216      else
217        return false;
218    }
219
220  private:
221    FunctorMemberPtr<T> functor_;
222};
223
224template <class T> NetworkMemberFunction<T>::NetworkMemberFunction(const FunctorMemberPtr<T>& functor, const std::string& name, const NetworkFunctionPointer& p):
225    NetworkMemberFunctionBase(name, p), functor_(functor)
226{
227}
228
229template<class T> inline void copyPtr( T ptr, NetworkFunctionPointer& destptr)
230{
231  if( sizeof(NetworkFunctionPointer)-sizeof(T) > 0)
232    memset((uint8_t*)&destptr + sizeof(T), 0, sizeof(NetworkFunctionPointer)-sizeof(T));
233  T p2 = ptr;
234  memcpy( &destptr, &p2, sizeof(T) );
235//   for(unsigned int i=0; i<(sizeof(T)-1/4)+1; i++)
236//     *((uint32_t*)destptr+i) = p2>>32*i;
237}
238
239template<class T> inline void* registerStaticNetworkFunctionFct( T ptr, const std::string& name )
240{
241  BOOST_STATIC_ASSERT( sizeof(T)<=sizeof(NetworkFunctionPointer) ); // if this fails your compiler uses bigger pointers for static functions than defined above
242  NetworkFunctionPointer destptr;
243  copyPtr( ptr, destptr );
244  new NetworkFunctionStatic( createFunctor(ptr), name, destptr );
245  return 0;
246}
247
248template<class T, class PT> inline void* registerMemberNetworkFunctionFct( PT ptr, const std::string& name )
249{
250  BOOST_STATIC_ASSERT( sizeof(PT)<=sizeof(NetworkFunctionPointer) ); // if this fails your compiler uses bigger pointers for a specific kind of member functions than defined above
251  NetworkFunctionPointer destptr;
252  copyPtr( ptr, destptr );
253  new NetworkMemberFunction<T>( createFunctor(ptr), name, destptr );
254  return 0;
255}
256
257#define registerStaticNetworkFunction( functionPointer ) \
258  static void* BOOST_PP_CAT( NETWORK_FUNCTION_, __UNIQUE_NUMBER__ ) = registerStaticNetworkFunctionFct( functionPointer, #functionPointer );
259#define registerMemberNetworkFunction( class, function ) \
260  static void* BOOST_PP_CAT( NETWORK_FUNCTION_##class, __UNIQUE_NUMBER__ ) = registerMemberNetworkFunctionFct<class>( &class::function, #class "_" #function);
261  // call it with functionPointer, clientID, args
262#define callStaticNetworkFunction( functionPointer, ...) \
263  { \
264    NetworkFunctionPointer p1; \
265    copyPtr( functionPointer, p1 ); \
266    FunctionCallManager::addCallStatic(NetworkFunctionStatic::getFunction(p1)->getNetworkID(), __VA_ARGS__); \
267  }
268  // call it with class, function, objectID, clientID, args
269#define callMemberNetworkFunction( class, function, objectID, ...) \
270  { \
271    NetworkFunctionPointer p1; \
272    copyPtr( &class::function, p1 ); \
273    FunctionCallManager::addCallMember(NetworkMemberFunctionBase::getFunction(p1)->getNetworkID(), objectID, __VA_ARGS__); \
274  }
275
276
277}
278
279#endif /* _NetworkFunction_H__ */
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