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Comparing deliantra/server/include/util.h (file contents):
Revision 1.22 by root, Sat Dec 23 06:21:02 2006 UTC vs.
Revision 1.27 by root, Mon Jan 15 00:40:49 2007 UTC

… …
6#else 6#else
7# define is_constant(c) 0 7# define is_constant(c) 0
8#endif 8#endif
9 9
10#include <cstddef> 10#include <cstddef>
11#include <new>
12#include <vector>
11 13
12#include <glib.h> 14#include <glib.h>
15
16#include <shstr.h>
17#include <traits.h>
13 18
14// use a gcc extension for auto declarations until ISO C++ sanctifies them 19// use a gcc extension for auto declarations until ISO C++ sanctifies them
15#define AUTODECL(var,expr) typeof(expr) var = (expr) 20#define AUTODECL(var,expr) typeof(expr) var = (expr)
21
22// very ugly macro that basicaly declares and initialises a variable
23// that is in scope for the next statement only
24// works only for stuff that can be assigned 0 and converts to false
25// (note: works great for pointers)
26// most ugly macro I ever wrote
27#define declvar(type, name, value) if (type name = 0) { } else if (((name) = (value)), 1)
28
29// in range including end
30#define IN_RANGE_INC(val,beg,end) \
31 ((unsigned int)(val) - (unsigned int)(beg) <= (unsigned int)(end) - (unsigned int)(beg))
32
33// in range excluding end
34#define IN_RANGE_EXC(val,beg,end) \
35 ((unsigned int)(val) - (unsigned int)(beg) < (unsigned int)(end) - (unsigned int)(beg))
16 36
17// makes dynamically allocated objects zero-initialised 37// makes dynamically allocated objects zero-initialised
18struct zero_initialised 38struct zero_initialised
19{ 39{
20 void *operator new (size_t s, void *p) 40 void *operator new (size_t s, void *p)
… …
120 { 140 {
121 p->~Tp (); 141 p->~Tp ();
122 } 142 }
123}; 143};
124 144
125struct refcounted
126{
127 refcounted () : refcnt (0) { }
128// virtual ~refcounted ();
129 void refcnt_inc () { ++refcnt; }
130 void refcnt_dec () { --refcnt; }
131 bool dead () { return refcnt == 0; }
132 mutable int refcnt;
133#if 0
134private:
135 static refcounted *rc_first;
136 refcounted *rc_next;
137#endif
138};
139
140template<class T> 145template<class T>
141struct refptr 146struct refptr
142{ 147{
143 T *p; 148 T *p;
144 149
… …
166 T *operator ->() const { return p; } 171 T *operator ->() const { return p; }
167 172
168 operator T *() const { return p; } 173 operator T *() const { return p; }
169}; 174};
170 175
171typedef refptr<player> player_ptr; 176typedef refptr<maptile> maptile_ptr;
172typedef refptr<object> object_ptr; 177typedef refptr<object> object_ptr;
173typedef refptr<archetype> arch_ptr; 178typedef refptr<archetype> arch_ptr;
179typedef refptr<client> client_ptr;
180typedef refptr<player> player_ptr;
174 181
175struct str_hash 182struct str_hash
176{ 183{
177 std::size_t operator ()(const char *s) const 184 std::size_t operator ()(const char *s) const
178 { 185 {
… …
204 { 211 {
205 return !strcmp (a, b); 212 return !strcmp (a, b);
206 } 213 }
207}; 214};
208 215
209#include <vector>
210
211template<class obj> 216template<class T>
212struct unordered_vector : std::vector<obj, slice_allocator<obj> > 217struct unordered_vector : std::vector<T, slice_allocator<T> >
213{ 218{
214 typedef typename unordered_vector::iterator iterator; 219 typedef typename unordered_vector::iterator iterator;
215 220
216 void erase (unsigned int pos) 221 void erase (unsigned int pos)
217 { 222 {
… …
222 } 227 }
223 228
224 void erase (iterator i) 229 void erase (iterator i)
225 { 230 {
226 erase ((unsigned int )(i - this->begin ())); 231 erase ((unsigned int )(i - this->begin ()));
232 }
233};
234
235template<class T, int T::* index>
236struct object_vector : std::vector<T *, slice_allocator<T *> >
237{
238 void insert (T *obj)
239 {
240 assert (!(obj->*index));
241 push_back (obj);
242 obj->*index = this->size ();
243 }
244
245 void insert (T &obj)
246 {
247 insert (&obj);
248 }
249
250 void erase (T *obj)
251 {
252 assert (obj->*index);
253 int pos = obj->*index;
254 obj->*index = 0;
255
256 if (pos < this->size ())
257 {
258 (*this)[pos - 1] = (*this)[this->size () - 1];
259 (*this)[pos - 1]->*index = pos;
260 }
261
262 this->pop_back ();
263 }
264
265 void erase (T &obj)
266 {
267 errase (&obj);
227 } 268 }
228}; 269};
229 270
230template<typename T, typename U> static inline T min (T a, U b) { return a < (T)b ? a : (T)b; } 271template<typename T, typename U> static inline T min (T a, U b) { return a < (T)b ? a : (T)b; }
231template<typename T, typename U> static inline T max (T a, U b) { return a > (T)b ? a : (T)b; } 272template<typename T, typename U> static inline T max (T a, U b) { return a > (T)b ? a : (T)b; }
… …
246typedef double tstamp; 287typedef double tstamp;
247 288
248// return current time as timestampe 289// return current time as timestampe
249tstamp now (); 290tstamp now ();
250 291
292int similar_direction (int a, int b);
293
251#endif 294#endif
252 295

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