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source: code/branches/core4/src/network/NetworkFunction.h @ 3261

Last change on this file since 3261 was 3239, checked in by rgrieder, 15 years ago

Found a way to write orxonox_cast<T*> instead of orxonox_cast<T> so that the syntax resembles dynamic_cast<T*>.
  • Property svn:eol-style set to native
File size: 10.0 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#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
40#include "core/Functor.h"
41#include "core/Identifier.h"
42#include "FunctionCallManager.h"
43#include "synchronisable/Synchronisable.h"
44
45namespace orxonox
46{
47
48#ifdef ORXONOX_COMPILER_GCC
49static const unsigned int MAX_FUNCTION_POINTER_SIZE = 8;
50#else //ORXONOX_COMPILER_GCC
51static const unsigned int MAX_FUNCTION_POINTER_SIZE = 16;
52#endif //ORXONOX_COMPILER_GCC
53static const unsigned int MAX_FUNCTION_POINTER_INTS = (MAX_FUNCTION_POINTER_SIZE-1)/4+1;
54
55struct _NetworkExport NetworkFunctionPointer {
56  uint32_t pointer[MAX_FUNCTION_POINTER_INTS];
57  bool operator<(const NetworkFunctionPointer& b) const
58  {
59#ifdef ORXONOX_COMPILER_GCC
60    return pointer[0]<b.pointer[0] ? true : pointer[1]<b.pointer[1];
61#else //ORXONOX_COMPILER_GCC
62    return pointer[0]<b.pointer[0] ? true : ( pointer[1]<b.pointer[1] ? true : ( pointer[2]<b.pointer[2] ? true : pointer[3]<b.pointer[3] ) );
63#endif //ORXONOX_COMPILER_GCC
64  }
65};
66
67
68
69
70
71class _NetworkExport NetworkFunctionBase: virtual public OrxonoxClass {
72  public:
73    NetworkFunctionBase(const std::string& name);
74    ~NetworkFunctionBase();
75   
76    virtual void        setNetworkID(uint32_t id)       { this->networkID_ = id; }
77    inline uint32_t     getNetworkID() const            { return this->networkID_; }
78    inline const std::string& getName() const           { return name_; }
79    static inline bool  isStatic( uint32_t networkID )  { return isStaticMap_[networkID]; }
80   
81    static inline void setNetworkID(const std::string& name, uint32_t id){ assert( nameMap_.find(name)!=nameMap_.end() ); nameMap_[name]->setNetworkID(id); }
82   
83  protected:
84    static std::map<uint32_t, bool> isStaticMap_;
85   
86  private:
87    static std::map<std::string, NetworkFunctionBase*> nameMap_;
88    uint32_t networkID_;
89    std::string name_;
90     
91};
92
93
94class _NetworkExport NetworkFunctionStatic: public NetworkFunctionBase {
95  public:
96    NetworkFunctionStatic(FunctorStatic* functor, const std::string& name, const NetworkFunctionPointer& p);
97    ~NetworkFunctionStatic();
98   
99    inline void call(){ (*this->functor_)(); }
100    inline void call(const MultiType& mt1){ (*this->functor_)(mt1); }
101    inline void call(const MultiType& mt1, const MultiType& mt2){ (*this->functor_)(mt1, mt2); }
102    inline void call(const MultiType& mt1, const MultiType& mt2, const MultiType& mt3){ (*this->functor_)(mt1, mt2, mt3); }
103    inline void call(const MultiType& mt1, const MultiType& mt2, const MultiType& mt3, const MultiType& mt4){ (*this->functor_)(mt1, mt2, mt3, mt4); }
104    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); }
105   
106    virtual void setNetworkID( uint32_t id ){ NetworkFunctionBase::setNetworkID( id ); idMap_[id] = this; }
107    static inline NetworkFunctionStatic* getNetworkFunction( uint32_t id){ assert( idMap_.find(id)!=idMap_.end() ); return idMap_[id]; }
108    static NetworkFunctionStatic* getFunction( uint32_t id ){ assert( idMap_.find(id) != idMap_.end() ); return idMap_[id]; }
109    static NetworkFunctionStatic* getFunction( const NetworkFunctionPointer& p ){ assert( functorMap_.find(p) != functorMap_.end() ); return functorMap_[p]; }
110   
111  private:
112    static std::map<NetworkFunctionPointer, NetworkFunctionStatic*> functorMap_;
113    static std::map<uint32_t, NetworkFunctionStatic*> idMap_;
114   
115    FunctorStatic* functor_;
116   
117};
118
119
120class _NetworkExport NetworkMemberFunctionBase: public NetworkFunctionBase {
121  public:
122    NetworkMemberFunctionBase(const std::string& name, const NetworkFunctionPointer& p);
123    ~NetworkMemberFunctionBase();
124   
125    virtual void setNetworkID( uint32_t id ){ NetworkFunctionBase::setNetworkID( id ); idMap_[id] = this; }
126    static inline NetworkMemberFunctionBase* getNetworkFunction( uint32_t id){ assert( idMap_.find(id)!=idMap_.end() ); return idMap_[id]; }
127    static NetworkMemberFunctionBase* getFunction( uint32_t id ){ assert( idMap_.find(id) != idMap_.end() ); return idMap_[id]; }
128    static NetworkMemberFunctionBase* getFunction( const NetworkFunctionPointer& p ){ assert( functorMap_.find(p) != functorMap_.end() ); return functorMap_[p]; }
129   
130    //
131    virtual void call(uint32_t objectID)=0;
132    virtual void call(uint32_t objectID, const MultiType& mt1)=0;
133    virtual void call(uint32_t objectID, const MultiType& mt1, const MultiType& mt2)=0;
134    virtual void call(uint32_t objectID, const MultiType& mt1, const MultiType& mt2, const MultiType& mt3)=0;
135    virtual void call(uint32_t objectID, const MultiType& mt1, const MultiType& mt2, const MultiType& mt3, const MultiType& mt4)=0;
136    virtual void call(uint32_t objectID, const MultiType& mt1, const MultiType& mt2, const MultiType& mt3, const MultiType& mt4, const MultiType& mt5)=0;
137   
138  private:
139    static std::map<NetworkFunctionPointer, NetworkMemberFunctionBase*> functorMap_;
140    static std::map<uint32_t, NetworkMemberFunctionBase*> idMap_;
141};
142
143
144template <class T> class NetworkMemberFunction: public NetworkMemberFunctionBase {
145  public:
146    NetworkMemberFunction(FunctorMember<T>* functor, const std::string& name, const NetworkFunctionPointer& p);
147    ~NetworkMemberFunction();
148   
149    inline void call(uint32_t objectID)
150    { 
151      if ( Synchronisable::getSynchronisable(objectID)!=0 )
152        (*this->functor_)(orxonox_cast<T*>(Synchronisable::getSynchronisable(objectID)));
153    }
154    inline void call(uint32_t objectID, const MultiType& mt1)
155    { 
156      if ( Synchronisable::getSynchronisable(objectID)!=0 )
157        (*this->functor_)(orxonox_cast<T*>(Synchronisable::getSynchronisable(objectID)), mt1);
158    }
159    inline void call(uint32_t objectID, const MultiType& mt1, const MultiType& mt2)
160    { 
161      if ( Synchronisable::getSynchronisable(objectID)!=0 )
162        (*this->functor_)(orxonox_cast<T*>(Synchronisable::getSynchronisable(objectID)), mt1, mt2);
163    }
164    inline void call(uint32_t objectID, const MultiType& mt1, const MultiType& mt2, const MultiType& mt3)
165    { 
166      if ( Synchronisable::getSynchronisable(objectID)!=0 )
167        (*this->functor_)(orxonox_cast<T*>(Synchronisable::getSynchronisable(objectID)), mt1, mt2, mt3);
168    }
169    inline void call(uint32_t objectID, const MultiType& mt1, const MultiType& mt2, const MultiType& mt3, const MultiType& mt4)
170    { 
171      if ( Synchronisable::getSynchronisable(objectID)!=0 )
172        (*this->functor_)(orxonox_cast<T*>(Synchronisable::getSynchronisable(objectID)), mt1, mt2, mt3, mt4);
173    }
174    inline void call(uint32_t objectID, const MultiType& mt1, const MultiType& mt2, const MultiType& mt3, const MultiType& mt4, const MultiType& mt5)
175    { 
176      if ( Synchronisable::getSynchronisable(objectID)!=0 )
177        (*this->functor_)(orxonox_cast<T*>(Synchronisable::getSynchronisable(objectID)), mt1, mt2, mt3, mt4, mt5);
178    }
179   
180  private:
181    FunctorMember<T>* functor_;
182};
183
184template <class T> NetworkMemberFunction<T>::NetworkMemberFunction(FunctorMember<T>* functor, const std::string& name, const NetworkFunctionPointer& p):
185    NetworkMemberFunctionBase(name, p), functor_(functor)
186{
187}
188template <class T> NetworkMemberFunction<T>::~NetworkMemberFunction()
189{
190  delete this->functor_;
191}
192
193template<class T> inline void copyPtr( T ptr, NetworkFunctionPointer& destptr)
194{
195  memset((uint8_t*)&destptr + sizeof(T), 0, sizeof(NetworkFunctionPointer)-sizeof(T));
196  T p2 = ptr;
197  memcpy( &destptr, &p2, sizeof(T) );
198//   for(unsigned int i=0; i<(sizeof(T)-1/4)+1; i++)
199//     *((uint32_t*)destptr+i) = p2>>32*i;
200}
201
202template<class T> inline void* registerStaticNetworkFunctionFct( T ptr, const std::string& name )
203{
204  NetworkFunctionPointer destptr;
205  copyPtr( ptr, destptr );
206  new NetworkFunctionStatic( createFunctor(ptr), name, destptr );
207  return 0;
208}
209
210template<class T, class PT> inline void* registerMemberNetworkFunctionFct( PT ptr, const std::string& name )
211{
212  NetworkFunctionPointer destptr;
213  copyPtr( ptr, destptr );
214  new NetworkMemberFunction<T>( createFunctor(ptr), name, destptr );
215  return 0;
216}
217
218#define registerStaticNetworkFunction( functionPointer ) \
219  static void* BOOST_PP_CAT( NETWORK_FUNCTION_, __LINE__ ) = registerStaticNetworkFunctionFct( functionPointer, #functionPointer );
220#define registerMemberNetworkFunction( class, function ) \
221  static void* BOOST_PP_CAT( NETWORK_FUNCTION_##class, __LINE__ ) = registerMemberNetworkFunctionFct<class>( &class::function, #class "_" #function);
222  // call it with functionPointer, clientID, args
223#define callStaticNetworkFunction( functionPointer, ...) \
224  { \
225    NetworkFunctionPointer p1; \
226    copyPtr( functionPointer, p1 ); \
227    FunctionCallManager::addCallStatic(NetworkFunctionStatic::getFunction(p1)->getNetworkID(), __VA_ARGS__); \
228  }
229  // call it with class, function, objectID, clientID, args
230#define callMemberNetworkFunction( class, function, objectID, ...) \
231  { \
232    NetworkFunctionPointer p1; \
233    copyPtr( &class::function, p1 ); \
234    FunctionCallManager::addCallMember(NetworkMemberFunctionBase::getFunction(p1)->getNetworkID(), objectID, __VA_ARGS__); \
235  }
236
237
238}
239
240#endif /* _NetworkFunction_H__ */
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