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Comparing deliantra/server/include/util.h (file contents):
Revision 1.52 by root, Wed Jul 11 12:29:06 2007 UTC vs.
Revision 1.56 by root, Sun Sep 9 06:25:46 2007 UTC

… …
333 333
334typedef tausworthe_random_generator rand_gen; 334typedef tausworthe_random_generator rand_gen;
335 335
336extern rand_gen rndm; 336extern rand_gen rndm;
337 337
338INTERFACE_CLASS (attachable)
339struct refcnt_base
340{
341 typedef int refcnt_t;
342 mutable refcnt_t ACC (RW, refcnt);
343
344 MTH void refcnt_inc () const { ++refcnt; }
345 MTH void refcnt_dec () const { --refcnt; }
346
347 refcnt_base () : refcnt (0) { }
348};
349
350// to avoid branches with more advanced compilers
351extern refcnt_base::refcnt_t refcnt_dummy;
352
338template<class T> 353template<class T>
339struct refptr 354struct refptr
340{ 355{
356 // p if not null
357 refcnt_base::refcnt_t *refcnt_ref () { return p ? &p->refcnt : &refcnt_dummy; }
358
359 void refcnt_dec ()
360 {
361 if (!is_constant (p))
362 --*refcnt_ref ();
363 else if (p)
364 --p->refcnt;
365 }
366
367 void refcnt_inc ()
368 {
369 if (!is_constant (p))
370 ++*refcnt_ref ();
371 else if (p)
372 ++p->refcnt;
373 }
374
341 T *p; 375 T *p;
342 376
343 refptr () : p(0) { } 377 refptr () : p(0) { }
344 refptr (const refptr<T> &p) : p(p.p) { if (p) p->refcnt_inc (); } 378 refptr (const refptr<T> &p) : p(p.p) { refcnt_inc (); }
345 refptr (T *p) : p(p) { if (p) p->refcnt_inc (); } 379 refptr (T *p) : p(p) { refcnt_inc (); }
346 ~refptr () { if (p) p->refcnt_dec (); } 380 ~refptr () { refcnt_dec (); }
347 381
348 const refptr<T> &operator =(T *o) 382 const refptr<T> &operator =(T *o)
349 { 383 {
384 // if decrementing ever destroys we need to reverse the order here
350 if (p) p->refcnt_dec (); 385 refcnt_dec ();
351 p = o; 386 p = o;
352 if (p) p->refcnt_inc (); 387 refcnt_inc ();
353
354 return *this; 388 return *this;
355 } 389 }
356 390
357 const refptr<T> &operator =(const refptr<T> o) 391 const refptr<T> &operator =(const refptr<T> &o)
358 { 392 {
359 *this = o.p; 393 *this = o.p;
360 return *this; 394 return *this;
361 } 395 }
362 396
363 T &operator * () const { return *p; } 397 T &operator * () const { return *p; }
364 T *operator ->() const { return p; } 398 T *operator ->() const { return p; }
365 399
366 operator T *() const { return p; } 400 operator T *() const { return p; }
367}; 401};
368 402
369typedef refptr<maptile> maptile_ptr; 403typedef refptr<maptile> maptile_ptr;
… …
458 return obj->*indexmember 492 return obj->*indexmember
459 ? this->begin () + obj->*indexmember - 1 493 ? this->begin () + obj->*indexmember - 1
460 : this->end (); 494 : this->end ();
461 } 495 }
462 496
497 void push_back (T *obj)
498 {
499 std::vector<T *, slice_allocator<T *> >::push_back (obj);
500 obj->*indexmember = this->size ();
501 }
502
463 void insert (T *obj) 503 void insert (T *obj)
464 { 504 {
465 push_back (obj); 505 push_back (obj);
466 obj->*indexmember = this->size ();
467 } 506 }
468 507
469 void insert (T &obj) 508 void insert (T &obj)
470 { 509 {
471 insert (&obj); 510 insert (&obj);
… …
506// return current time as timestampe 545// return current time as timestampe
507tstamp now (); 546tstamp now ();
508 547
509int similar_direction (int a, int b); 548int similar_direction (int a, int b);
510 549
511// like printf, but returns a std::string 550// like sprintf, but returns a "static" buffer
512const std::string format (const char *format, ...); 551const char *format (const char *format, ...);
513 552
514#endif 553#endif
515 554

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