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Comparing deliantra/server/include/cfperl.h (file contents):
Revision 1.64 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.86 by root, Mon Aug 6 10:54:12 2007 UTC

1/*
2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 *
8 * Crossfire TRT is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or
11 * (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, see <http://www.gnu.org/licenses/>.
20 *
21 * The authors can be reached via e-mail to <crossfire@schmorp.de>
22 */
23
1// 24//
2// cfperl.h perl interface 25// cfperl.h perl interface
3// 26//
4#ifndef CFPERL_H__ 27#ifndef CFPERL_H__
5#define CFPERL_H__ 28#define CFPERL_H__
… …
64 87
65void cfperl_init (); 88void cfperl_init ();
66void cfperl_main (); 89void cfperl_main ();
67void cfperl_emergency_save (); 90void cfperl_emergency_save ();
68void cfperl_cleanup (int make_core); 91void cfperl_cleanup (int make_core);
92void cfperl_make_book (object *book, int level);
93void cfperl_send_msg (client *ns, int color, const char *type, const char *msg);
94int cfperl_can_merge (object *ob1, object *ob2);
69 95
70////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 96//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
71 97
72// virtual server time, excluding time jumps and lag 98extern tstamp runtime; // virtual server time, excluding time jumps and lag
73extern double runtime; 99extern tstamp NOW; // real time of current server tick
74 100
75enum event_klass 101enum event_klass
76{ 102{
77 KLASS_NONE, 103 KLASS_NONE,
78 KLASS_GLOBAL, 104 KLASS_GLOBAL,
… …
109#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o)) 135#define ARG_CLIENT(o) DT_CLIENT, (void *)(static_cast<client *> (o))
110#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o)) 136#define ARG_PARTY(o) DT_PARTY , (void *)(static_cast<party *> (o))
111#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o)) 137#define ARG_REGION(o) DT_REGION, (void *)(static_cast<region *> (o))
112 138
113// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension 139// the ", ## __VA_ARGS" is, unfortunately, a gnu-cpp extension
114 140#define INVOKE(obj,event, ...) (expect_false ((obj)->should_invoke (event)) ? (obj)->invoke (event, ## __VA_ARGS__, DT_END) : 0)
115// all these return true when the normal event processing should be skipped (if any)
116#define INVOKE_GLOBAL(event, ...) gbl_ev.invoke (EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__, DT_END) 141#define INVOKE_GLOBAL(event, ...) INVOKE (&gbl_ev, EVENT_ ## GLOBAL ## _ ## event, ## __VA_ARGS__)
117#define INVOKE_ATTACHABLE(event, obj, ...) (obj)->invoke (EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__, DT_END) 142#define INVOKE_ATTACHABLE(event, obj, ...) INVOKE (obj , EVENT_ ## ATTACHABLE ## _ ## event, ## __VA_ARGS__)
118#define INVOKE_OBJECT(event, obj, ...) (obj)->invoke (EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__, DT_END) 143#define INVOKE_OBJECT(event, obj, ...) INVOKE (obj , EVENT_ ## OBJECT ## _ ## event, ## __VA_ARGS__)
119#define INVOKE_CLIENT(event, obj, ...) (obj)->invoke (EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__, DT_END) 144#define INVOKE_CLIENT(event, obj, ...) INVOKE (obj , EVENT_ ## CLIENT ## _ ## event, ## __VA_ARGS__)
120#define INVOKE_PLAYER(event, obj, ...) (obj)->invoke (EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__, DT_END) 145#define INVOKE_PLAYER(event, obj, ...) INVOKE (obj , EVENT_ ## PLAYER ## _ ## event, ## __VA_ARGS__)
121#define INVOKE_MAP(event, obj, ...) (obj)->invoke (EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__, DT_END) 146#define INVOKE_MAP(event, obj, ...) INVOKE (obj , EVENT_ ## MAP ## _ ## event, ## __VA_ARGS__)
122 147
123//TODO should index into @result 148//TODO should index into @result
124#define RESULT(idx,type) cfperl_result_ ## type (idx) 149#define RESULT(idx,type) cfperl_result_ ## type (idx)
125#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE) 150#define RESULT_DOUBLE(idx) RESULT(idx, DOUBLE)
126#define RESULT_INT(idx) RESULT(idx, INT) 151#define RESULT_INT(idx) RESULT(idx, INT)
… …
129int cfperl_result_INT (int idx); 154int cfperl_result_INT (int idx);
130 155
131////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// 156//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
132 157
133INTERFACE_CLASS (attachable) 158INTERFACE_CLASS (attachable)
134struct attachable 159struct attachable : refcnt_base
135{ 160{
136 static MGVTBL vtbl; 161 static MGVTBL vtbl;
137 162
138 static unordered_vector<attachable *> mortals; 163 static unordered_vector<attachable *> mortals;
139 MTH static void check_mortals (); 164 MTH static void check_mortals ();
140 165
141 enum { 166 enum {
142 F_DESTROYED = 0x01, 167 F_DESTROYED = 0x01,
143 F_DEBUG_TRACE = 0x02, 168 F_DEBUG_TRACE = 0x02,
144 }; 169 };
170 int ACC (RW, flags);
145 171
146 // object is delete'd after the refcount reaches 0 172 // object is delete'd after the refcount reaches 0
147 int ACC (RW, flags);
148 mutable int ACC (RW, refcnt);
149
150 MTH void refcnt_inc () const { ++refcnt; }
151 MTH void refcnt_dec () const { --refcnt; }
152
153 MTH int refcnt_cnt () const; 173 MTH int refcnt_cnt () const;
154 // check wether the object has died and destroy 174 // check wether the object has died and destroy
155 MTH void refcnt_chk () { if (refcnt <= 0) do_check (); } 175 MTH void refcnt_chk () { if (expect_false (refcnt <= 0)) do_check (); }
156 176
157 // destroy the object unless it was already destroyed 177 // destroy the object unless it was already destroyed
158 // this politely asks everybody interested the reduce 178 // this politely asks everybody interested the reduce
159 // the refcount to 0 as soon as possible. 179 // the refcount to 0 as soon as possible.
160 MTH void destroy (); 180 MTH void destroy ();
… …
176 196
177 void sever_self (); // sever this object from its self, if it has one. 197 void sever_self (); // sever this object from its self, if it has one.
178 void optimise (); // possibly save some memory by destroying unneeded data 198 void optimise (); // possibly save some memory by destroying unneeded data
179 199
180 attachable () 200 attachable ()
181 : flags (0), refcnt (0), self (0), cb (0), attach (0) 201 : flags (0), self (0), cb (0), attach (0)
182 { 202 {
183 } 203 }
184 204
185 attachable (const attachable &src) 205 attachable (const attachable &src)
186 : flags (0), refcnt (0), self (0), cb (0), attach (src.attach) 206 : flags (0), self (0), cb (0), attach (src.attach)
187 { 207 {
188 } 208 }
189 209
190 virtual ~attachable (); 210 // set a custom key to the given value, or delete it if value = 0
211 void set_key (const char *key, const char *value = 0);
191 212
192 attachable &operator =(const attachable &src); 213 attachable &operator =(const attachable &src);
193 214
194 bool vinvoke (event_type event, va_list &ap); 215 // used to _quickly_ device wether to shortcut the evaluation
216 bool should_invoke (event_type event)
217 {
218 return ev_want_event [event] || cb;
219 }
220
195 bool invoke (event_type event, ...) 221 bool invoke (event_type event, ...);
196 {
197 if (ev_want_event [event] || cb)
198 {
199 va_list ap;
200 va_start (ap, event);
201 vinvoke (event, ap);
202 va_end (ap);
203 }
204 }
205 222
206 MTH void instantiate (); 223 MTH void instantiate ();
207 void reattach (); 224 void reattach ();
208 225
209protected: 226protected:
210 // do the real refcount checking work 227 // do the real refcount checking work
211 void do_check (); 228 void do_check ();
212 229
213 // the method that does the real destroy work 230 // the method that does the real destroy work
214 virtual void do_destroy (); 231 virtual void do_destroy ();
232
233 // destructor is protected, should not be called by anybody
234 virtual ~attachable ();
215}; 235};
216 236
217// the global object is a pseudo object that cares for the global events 237// the global object is a pseudo object that cares for the global events
218struct global : attachable 238struct global : attachable
219{ 239{
… …
236 // used only for user-defined key-value pairs 256 // used only for user-defined key-value pairs
237 void put (const shstr &k, const shstr &v) 257 void put (const shstr &k, const shstr &v)
238 { 258 {
239 add (k); 259 add (k);
240 260
241 if (v) 261 if (expect_true (v))
242 add (' '), add (v); 262 add (' '), add (v);
243 263
244 add ('\n'); 264 add ('\n');
245 } 265 }
246 266
247 //TODO//temporary, used only for saving body locations
248 void put (const char *k, int v)
249 {
250 add (k);
251 add (' ');
252 add (sint32 (v));
253 add ('\n');
254 }
255
256 template<typename T> 267 template<typename T>
257 void put_string (keyword k, const T &v) 268 void put_kw_string (keyword k, const T &v)
258 { 269 {
259 int klen = keyword_len [k]; 270 int klen = keyword_len [k];
260 int vlen = v ? strlen (v) + 1 : 0; 271 int vlen = v ? strlen (v) + 1 : 0;
261 272
262 char *p = (char *)alloc (klen + vlen + 1); 273 char *p = (char *)alloc (klen + vlen + 1);
263 274
264 memcpy (p, keyword_str [k], klen); p += klen; 275 memcpy (p, keyword_str [k], klen); p += klen;
265 276
266 if (v) 277 if (expect_true (v))
267 { 278 {
268 *p++ = ' '; vlen--; 279 *p++ = ' '; vlen--;
269 memcpy (p, v, vlen); p += vlen; 280 memcpy (p, v, vlen); p += vlen;
270 } 281 }
271 282
272 *p = '\n'; 283 *p = '\n';
273 } 284 }
274 285
275 void put (keyword k, const char *v = 0) 286 void put (keyword k, const char *v = 0)
276 { 287 {
277 put_string (k, v); 288 put_kw_string (k, v);
278 } 289 }
279 290
280 void put (keyword k, const shstr &v) 291 void put (keyword k, const shstr &v)
281 { 292 {
282 put_string (k, v); 293 put_kw_string (k, v);
283 } 294 }
284 295
285 void put (keyword k, double v) 296 void put (keyword k, double v)
286 { 297 {
287 char buf [128]; 298 force (MAX_KEYWORD_LEN + 2 + 32);
288 299 fadd (keyword_str [k], keyword_len [k]);
289 snprintf (buf, 128, "%.7g", v); 300 fadd (' ');
290 301 falloc (sprintf (ptr, "%.7g", v));
291 put (k, (const char *)buf); 302 fadd ('\n');
292 } 303 }
293 304
294 void put_(keyword k, sint64 v) 305 void put_(keyword k, sint64 v)
295 { 306 {
307 force (MAX_KEYWORD_LEN + 2 + sint64_digits);
296 add (keyword_str [k], keyword_len [k]); 308 fadd (keyword_str [k], keyword_len [k]);
297 add (' '); 309 fadd (' ');
298 add (v); 310 add (v);
299 add ('\n'); 311 fadd ('\n');
300 } 312 }
301 313
302 void put_(keyword k, sint32 v) 314 void put_(keyword k, sint32 v)
303 { 315 {
316 force (MAX_KEYWORD_LEN + 2 + sint32_digits);
304 add (keyword_str [k], keyword_len [k]); 317 fadd (keyword_str [k], keyword_len [k]);
305 add (' '); 318 fadd (' ');
306 add (v); 319 add (v);
307 add ('\n'); 320 fadd ('\n');
308 }
309
310 void put (keyword kbeg, keyword kend, const shstr &v)
311 {
312 add (keyword_str [kbeg], keyword_len [kbeg]); add ('\n');
313
314 if (v)
315 {
316 add (v);
317 add ('\n');
318 }
319
320 add (keyword_str [kend], keyword_len [kend]); add ('\n');
321 } 321 }
322 322
323 void put (keyword k, float v) { put (k, (double)v); } 323 void put (keyword k, float v) { put (k, (double)v); }
324 void put (keyword k, signed char v) { put_(k, (sint32)v); } 324 void put (keyword k, signed char v) { put_(k, (sint32)v); }
325 void put (keyword k, unsigned char v) { put_(k, (sint32)v); } 325 void put (keyword k, unsigned char v) { put_(k, (sint32)v); }
… …
330 void put (keyword k, signed long v) { put_(k, (sint64)v); } 330 void put (keyword k, signed long v) { put_(k, (sint64)v); }
331 void put (keyword k, unsigned long v) { put_(k, (sint64)v); } 331 void put (keyword k, unsigned long v) { put_(k, (sint64)v); }
332 void put (keyword k, signed long long v) { put_(k, (sint64)v); } 332 void put (keyword k, signed long long v) { put_(k, (sint64)v); }
333 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); } 333 void put (keyword k, unsigned long long v) { put_(k, (sint64)v); }
334 334
335 template<typename T> 335 void put (keyword kbeg, keyword kend, const shstr &v)
336 {
337 force (MAX_KEYWORD_LEN + 1);
338 fadd (keyword_str [kbeg], keyword_len [kbeg]); fadd ('\n');
339
340 if (expect_true (v))
341 {
342 add (v);
343 add ('\n');
344 }
345
346 force (MAX_KEYWORD_LEN + 1);
347 fadd (keyword_str [kend], keyword_len [kend]); fadd ('\n');
348 }
349
350 void put (keyword k, archetype *v);
351 void put (keyword k, treasurelist *v);
336 void put (keyword k, const T *v) 352 void put (keyword k, faceinfo *v);
337 {
338 if (v)
339 put (k, v->name);
340 else
341 put (k, (const char *)0);
342 }
343 353
344 template<typename T> 354 template<typename T>
345 void put (keyword k, const refptr<T> &v) 355 void put (keyword k, const refptr<T> &v)
346 { 356 {
347 put (k, (T *)v); 357 put (k, (T *)v);
… …
351 char *as_string (); // like strdup 361 char *as_string (); // like strdup
352 362
353 operator bool () { return !!av; } 363 operator bool () { return !!av; }
354}; 364};
355 365
356// compatibility support, should be removed when no longer needed
357void fprintf (object_freezer &freezer, const char *format, ...);
358void fputs (const char *s, object_freezer &freezer);
359
360struct object_thawer 366struct object_thawer
361{ 367{
368 char *line; // current beginning of line
362 SV *text; // text part 369 SV *text; // text part
363 AV *av; // perl part 370 AV *av; // perl part
364 int linenum; 371 int linenum;
365 char *line; // current beginning of line
366 keyword kw; 372 keyword kw;
367 char *kw_str, *value; 373 char *kw_str; // the keyword parsed, as string
374 char *value; // the value, or 0 if no value
375 char *value_nn; // the value, or the empty string if no value
368 const char *name; 376 const char *name;
369 377
370 operator bool () { return !!text; } 378 operator bool () { return !!text; }
371 379
372 object_thawer (const char *path = 0); 380 object_thawer (const char *path = 0);
… …
376 void get (attachable *obj, int oid); 384 void get (attachable *obj, int oid);
377 385
378 // parse next line 386 // parse next line
379 void next (); 387 void next ();
380 // skip the current key-value (usually fetch next line, for 388 // skip the current key-value (usually fetch next line, for
381 // multiline-fields, skips untilt he corresponding end-kw 389 // multiline-fields, skips till the corresponding end-kw
382 void skip (); 390 void skip ();
383 391
384 //TODO: remove, deprecated
385 keyword get_kv ()
386 {
387 next ();
388 return kw;
389 }
390
391 char *get_str () { return value; } // may be 0 392 char *get_str () { return value; } // may be 0
393 void get_ml (keyword kend, shstr &sh);
392 394
393 void get (shstr &sh) const;
394 void get_ornull (shstr &sh) const { sh = value; } 395 void get_ornull (shstr &sh) const { sh = value; }
395 void get_ml (keyword kend, shstr &sh); 396 void get (shstr &sh) const { sh = value; } // might want to check for non-null here
396 397
398 bool get_bool () const { return *value_nn == '1'; }
397 sint32 get_sint32 () const; 399 sint32 get_sint32 () const;
398 sint64 get_sint64 () const; 400 sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
399 double get_double () const; 401 double get_double () const { return strtod (value_nn, 0); }
400 402
401 void get (float &v) { v = get_double (); } 403 void get (float &v) { v = get_double (); }
402 void get (double &v) { v = get_double (); } 404 void get (double &v) { v = get_double (); }
403 405
404 void get (bool &i) { i = get_sint32 (); } 406 void get (bool &i) { i = get_bool (); }
405 void get (sint8 &i) { i = get_sint32 (); } 407 void get (sint8 &i) { i = get_sint32 (); }
406 void get (uint8 &i) { i = get_sint32 (); } 408 void get (uint8 &i) { i = get_sint32 (); }
407 void get (sint16 &i) { i = get_sint32 (); } 409 void get (sint16 &i) { i = get_sint32 (); }
408 void get (uint16 &i) { i = get_sint32 (); } 410 void get (uint16 &i) { i = get_sint32 (); }
409 void get (sint32 &i) { i = get_sint32 (); } 411 void get (sint32 &i) { i = get_sint32 (); }
410 412
411 void get (uint32 &i) { i = get_sint64 (); } 413 void get (uint32 &i) { i = get_sint64 (); }
412 void get (sint64 &i) { i = get_sint64 (); } 414 void get (sint64 &i) { i = get_sint64 (); }
413 415
416 void parse_warn (const char *msg);
414 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true); 417 bool parse_error (const char *type = 0, const char *name = 0, bool skip = true);
415}; 418};
416 419
417//TODO: remove 420//TODO: remove
418char *fgets (char *s, int n, object_thawer &thawer); 421char *fgets (char *s, int n, object_thawer &thawer);
… …
423 static struct CoroAPI *GCoroAPI; 426 static struct CoroAPI *GCoroAPI;
424 427
425 static int nready () { return CORO_NREADY; } 428 static int nready () { return CORO_NREADY; }
426 static int cede () { return CORO_CEDE ; } 429 static int cede () { return CORO_CEDE ; }
427 430
428 static double (*time)();
429 static double next_cede; 431 static tstamp next_cede;
430 static int cede_counter; 432 static int cede_counter;
431 433
432 static void do_cede_every (); 434 static void do_cede_every ();
433 static void do_cede_to_tick (); 435 static void do_cede_to_tick ();
434 static void do_cede_to_tick_every (); 436 static void do_cede_to_tick_every ();
435 437
436 static void cede_every (int count) 438 static void cede_every (int count)
437 { 439 {
438 if (++cede_counter >= count) 440 if (expect_false (++cede_counter >= count))
439 do_cede_every (); 441 do_cede_every ();
440 } 442 }
441 443
442 static void cede_to_tick () 444 static bool cede_to_tick ()
443 { 445 {
444 if (time () >= next_cede) 446 if (expect_true (now () < next_cede))
447 return false;
448
445 do_cede_to_tick (); 449 do_cede_to_tick ();
450 return true;
446 } 451 }
447 452
448 static void cede_to_tick_every (int count) 453 static bool cede_to_tick_every (int count)
449 { 454 {
450 if (++cede_counter >= count) 455 if (expect_true (++cede_counter < count))
456 return false;
457
451 cede_to_tick (); 458 return cede_to_tick ();
452 } 459 }
453 460
454 static void wait_for_tick (); 461 static void wait_for_tick ();
455 static void wait_for_tick_begin (); 462 static void wait_for_tick_begin ();
456}; 463};

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