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Comparing deliantra/server/common/arch.C (file contents):
Revision 1.40 by root, Fri Feb 2 22:08:23 2007 UTC vs.
Revision 1.91 by root, Tue Oct 27 01:38:39 2009 UTC

1/* 1/*
2 * CrossFire, A Multiplayer game for X-windows 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team 4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (C) 2002 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * it under the terms of the GNU General Public License as published by 9 * the terms of the Affero GNU General Public License as published by the
10 * the Free Software Foundation; either version 2 of the License, or 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * (at your option) any later version. 11 * option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 16 * GNU General Public License for more details.
17 * 17 *
18 * You should have received a copy of the GNU General Public License 18 * You should have received a copy of the Affero GNU General Public License
19 * along with this program; if not, write to the Free Software 19 * and the GNU General Public License along with this program. If not, see
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * <http://www.gnu.org/licenses/>.
21 * 21 *
22 * The authors can be reached via e-mail at <crossfire@schmorp.de> 22 * The authors can be reached via e-mail to <support@deliantra.net>
23 */ 23 */
24 24
25#include <cassert> 25#include <cassert>
26 26
27#include <global.h> 27#include <global.h>
28#include <funcpoint.h>
29#include <loader.h> 28#include <loader.h>
30 29
31#include <tr1/functional> 30#include <tr1/functional>
32#include <tr1/unordered_map> 31#include <tr1/unordered_map>
33 32
34int arch_init; /* True if doing arch initialization */ 33archetype *loading_arch; // ugly flag to object loader etc. to suppress/request special processing
35 34arch_ptr archetype::empty;
36/* The naming of these functions is really poor - they are all
37 * pretty much named '.._arch_...', but they may more may not
38 * return archetypes. Some make the arch_to_object call, and thus
39 * return an object. Perhaps those should be called 'archob' functions
40 * to denote they return an object derived from the archetype.
41 * MSW 2003-04-29
42 */
43 35
44// the hashtable 36// the hashtable
45typedef std::tr1::unordered_map 37typedef std::tr1::unordered_map
46 < 38 <
47 const char *, 39 const char *,
49 str_hash, 41 str_hash,
50 str_equal, 42 str_equal,
51 slice_allocator< std::pair<const char *const, arch_ptr> > 43 slice_allocator< std::pair<const char *const, arch_ptr> >
52 > HT; 44 > HT;
53 45
54static HT ht (5000); 46static HT ht (10000);
47archvec archetypes;
48static unordered_vector<archetype *> allarch;
49static int dirtycnt;
50
51// the vector of other_arch references to be resolved
52static std::vector< std::pair<arch_ptr *, shstr> > postponed_arch_ref;
53// the vector of loaded but not yet committed archetypes
54static std::vector<archetype *> postponed_arch;
55 55
56/** 56/**
57 * GROS - This function retrieves an archetype given the name that appears 57 * GROS - This function retrieves an archetype given the name that appears
58 * during the game (for example, "writing pen" instead of "stylus"). 58 * during the game (for example, "writing pen" instead of "stylus").
59 * It does not use the hashtable system, but browse the whole archlist each time. 59 * It does not use the hashtable system, but browse the whole archlist each time.
67archetype * 67archetype *
68find_archetype_by_object_name (const char *name) 68find_archetype_by_object_name (const char *name)
69{ 69{
70 shstr_cmp name_cmp (name); 70 shstr_cmp name_cmp (name);
71 71
72 for (archetype *at = first_archetype; at; at = at->next) 72 for_all_archetypes (at)
73 if (at->clone.name == name_cmp) 73 if (at->name == name_cmp)
74 return at; 74 return at;
75 75
76 return 0; 76 return 0;
77} 77}
78 78
84archetype * 84archetype *
85find_archetype_by_object_type_name (int type, const char *name) 85find_archetype_by_object_type_name (int type, const char *name)
86{ 86{
87 shstr_cmp name_cmp (name); 87 shstr_cmp name_cmp (name);
88 88
89 for (archetype *at = first_archetype; at; at = at->next) 89 for_all_archetypes (at)
90 if (at->clone.name == name_cmp && at->clone.type == type) 90 if (at->name == name_cmp && at->type == type)
91 return at; 91 return at;
92 92
93 return 0; 93 return 0;
94} 94}
95 95
101object * 101object *
102get_archetype_by_skill_name (const char *skill, int type) 102get_archetype_by_skill_name (const char *skill, int type)
103{ 103{
104 shstr_cmp skill_cmp (skill); 104 shstr_cmp skill_cmp (skill);
105 105
106 for (archetype *at = first_archetype; at; at = at->next) 106 for_all_archetypes (at)
107 if (at->clone.skill == skill_cmp && (type == -1 || type == at->clone.type)) 107 if (at->skill == skill_cmp && (type == -1 || type == at->type))
108 return arch_to_object (at); 108 return at->instance ();
109 109
110 return 0; 110 return 0;
111} 111}
112 112
113/* similiar to above - this returns the first archetype 113/* similiar to above - this returns the first archetype
118 * (eg, skills) 118 * (eg, skills)
119 */ 119 */
120archetype * 120archetype *
121get_archetype_by_type_subtype (int type, int subtype) 121get_archetype_by_type_subtype (int type, int subtype)
122{ 122{
123 for (archetype *at = first_archetype; at; at = at->next) 123 for_all_archetypes (at)
124 if ((type == -1 || type == at->clone.type) && (subtype == -1 || subtype == at->clone.subtype)) 124 if ((type == -1 || type == at->type) && (subtype == -1 || subtype == at->subtype))
125 return at; 125 return at;
126 126
127 return 0; 127 return 0;
128} 128}
129 129
134 * - name: The name we're searching for (ex: "writing pen"); 134 * - name: The name we're searching for (ex: "writing pen");
135 * Return value: 135 * Return value:
136 * - a corresponding object if found; a singularity object if not found. 136 * - a corresponding object if found; a singularity object if not found.
137 * Note by MSW - it appears that it takes the full name and keeps 137 * Note by MSW - it appears that it takes the full name and keeps
138 * shortening it until it finds a match. I re-wrote this so that it 138 * shortening it until it finds a match. I re-wrote this so that it
139 * doesn't malloc it each time - not that this function is used much, 139 * doesn't allocate it each time - not that this function is used much,
140 * but it otherwise had a big memory leak. 140 * but it otherwise had a big memory leak.
141 */ 141 */
142object * 142object *
143get_archetype_by_object_name (const char *name) 143get_archetype_by_object_name (const char *name)
144{ 144{
145 char tmpname[MAX_BUF]; 145 char tmpname[MAX_BUF];
146 int i;
147 146
148 assign (tmpname, name); 147 assign (tmpname, name);
149 148
150 for (i = strlen (tmpname); i > 0; i--) 149 for (int i = strlen (tmpname); i > 0; i--)
151 { 150 {
152 tmpname[i] = 0; 151 tmpname[i] = 0;
153 152
154 if (archetype *at = find_archetype_by_object_name (tmpname)) 153 if (archetype *at = find_archetype_by_object_name (tmpname))
155 return arch_to_object (at); 154 return at->instance ();
156 } 155 }
157 156
158 return create_singularity (name); 157 return create_singularity (name);
159} 158}
160 159
161 /* This is a subset of the parse_id command. Basically, name can be 160/* This is a subset of the parse_id command. Basically, name can be
162 * a string seperated lists of things to match, with certain keywords. 161 * a string seperated lists of things to match, with certain keywords.
163 * pl is the player (only needed to set count properly) 162 * pl is the player (only needed to set count properly)
164 * op is the item we are trying to match. Calling function takes care 163 * op is the item we are trying to match. Calling function takes care
165 * of what action might need to be done and if it is valid 164 * of what action might need to be done and if it is valid
166 * (pickup, drop, etc.) Return NONZERO if we have a match. A higher 165 * (pickup, drop, etc.) Return NONZERO if we have a match. A higher
167 * value means a better match. 0 means no match. 166 * value means a better match. 0 means no match.
168 * 167 *
169 * Brief outline of the procedure: 168 * Brief outline of the procedure:
170 * We take apart the name variable into the individual components. 169 * We take apart the name variable into the individual components.
171 * cases for 'all' and unpaid are pretty obvious. 170 * cases for 'all' and unpaid are pretty obvious.
172 * Next, we check for a count (either specified in name, or in the 171 * Next, we check for a count (either specified in name, or in the
173 * player object.) 172 * player object.)
174 * If count is 1, make a quick check on the name. 173 * If count is 1, make a quick check on the name.
175 * IF count is >1, we need to make plural name. Return if match. 174 * IF count is >1, we need to make plural name. Return if match.
176 * Last, make a check on the full name. 175 * Last, make a check on the full name.
177 */ 176 */
178int 177int
179item_matched_string (object *pl, object *op, const char *name) 178item_matched_string (object *pl, object *op, const char *name)
180{ 179{
181 char *cp, local_name[MAX_BUF]; 180 char *cp, local_name[MAX_BUF];
182 int count, retval = 0; 181 int count, retval = 0;
194 return 1; 193 return 1;
195 194
196 /* unpaid is a little more specific */ 195 /* unpaid is a little more specific */
197 if (!strcmp (cp, "unpaid") && QUERY_FLAG (op, FLAG_UNPAID)) 196 if (!strcmp (cp, "unpaid") && QUERY_FLAG (op, FLAG_UNPAID))
198 return 2; 197 return 2;
198
199 if (!strcmp (cp, "cursed") && QUERY_FLAG (op, FLAG_KNOWN_CURSED) && (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED))) 199 if (!strcmp (cp, "cursed") && QUERY_FLAG (op, FLAG_KNOWN_CURSED) && (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED)))
200 return 2; 200 return 2;
201 201
202 if (!strcmp (cp, "unlocked") && !QUERY_FLAG (op, FLAG_INV_LOCKED)) 202 if (!strcmp (cp, "unlocked") && !QUERY_FLAG (op, FLAG_INV_LOCKED))
203 return 2; 203 return 2;
225 * is because of the 'else' handling - we don't want to match on 225 * is because of the 'else' handling - we don't want to match on
226 * something and set a low retval, even though it may match a higher retcal 226 * something and set a low retval, even though it may match a higher retcal
227 * later. So keep it in descending order here, so we try for the best 227 * later. So keep it in descending order here, so we try for the best
228 * match first, and work downward. 228 * match first, and work downward.
229 */ 229 */
230 const char *qbn0, *qbn1, *qsn; // query base name/short name caches
231
230 if (!strcasecmp (cp, query_name (op))) 232 if (!strcasecmp (cp, query_name (op)))
231 retval = 20; 233 retval = 20;
232 else if (!strcasecmp (cp, query_short_name (op))) 234 else if (!strcasecmp (cp, qsn = query_short_name (op)))
233 retval = 18; 235 retval = 18;
234 else if (!strcasecmp (cp, query_base_name (op, 0))) 236 else if (!strcasecmp (cp, qbn0 = query_base_name (op, 0)))
235 retval = 16; 237 retval = 16;
236 else if (!strcasecmp (cp, query_base_name (op, 1))) 238 else if (!strcasecmp (cp, qbn1 = query_base_name (op, 1)))
237 retval = 16; 239 retval = 16;
238 else if (op->custom_name && !strcasecmp (cp, op->custom_name)) 240 else if (op->custom_name && !strcasecmp (cp, op->custom_name))
239 retval = 15; 241 retval = 15;
240 else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp))) 242 else if (!strncasecmp (cp, qbn0, strlen (cp)))
241 retval = 14; 243 retval = 14;
242 else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp))) 244 else if (!strncasecmp (cp, qbn1, strlen (cp)))
243 retval = 14; 245 retval = 14;
244 /* Do substring checks, so things like 'Str+1' will match. 246 /* Do substring checks, so things like 'Str+1' will match.
245 * retval of these should perhaps be lower - they are lower 247 * retval of these should perhaps be lower - they are lower
246 * then the specific strcasecmp aboves, but still higher than 248 * then the specific strcasecmp aboves, but still higher than
247 * some other match criteria. 249 * some other match criteria.
248 */ 250 */
249 else if (strstr (query_base_name (op, 1), cp)) 251 else if (strstr (qbn1, cp))
250 retval = 12; 252 retval = 12;
251 else if (strstr (query_base_name (op, 0), cp)) 253 else if (strstr (qbn0, cp))
252 retval = 12; 254 retval = 12;
253 else if (strstr (query_short_name (op), cp)) 255 else if (strstr (qsn, cp))
254 retval = 12; 256 retval = 12;
255 /* Check against plural/non plural based on count. */ 257 /* Check against plural/non plural based on count. */
256 else if (count > 1 && !strcasecmp (cp, op->name_pl)) 258 else if (count > 1 && !strcasecmp (cp, op->name_pl))
257 retval = 6; 259 retval = 6;
258 else if (count == 1 && !strcasecmp (op->name, cp)) 260 else if (count == 1 && !strcasecmp (op->name, cp))
259 retval = 6; 261 retval = 6;
260 /* base name matched - not bad */ 262 /* base name matched - not bad */
261 else if (strcasecmp (cp, op->name) == 0 && !count) 263 else if (strcasecmp (cp, op->name) == 0 && !count)
262 retval = 4; 264 retval = 4;
263 /* Check for partial custom name, but give a real low priority */ 265 /* Check for partial custom name, but give a real low priority */
264 else if (op->custom_name && strstr (op->custom_name, cp)) 266 else if (op->custom_name.contains (cp))
265 retval = 3; 267 retval = 3;
266 268
267 if (retval) 269 if (retval)
268 { 270 {
269 if (pl->type == PLAYER) 271 if (pl->type == PLAYER)
274 } 276 }
275 277
276 return 0; 278 return 0;
277} 279}
278 280
281archetype::archetype (const char *name)
282{
283 arch = this;
284 this->archname = this->name = this->name_pl = name;
285}
286
287archetype::~archetype ()
288{
289 unlink ();
290}
291
292void
293archetype::link ()
294{
295 if (!archetypes.contains (this))
296 {
297 archetypes.insert (this);
298 ht.insert (std::make_pair (archname, this));
299 }
300}
301
302void
303archetype::unlink ()
304{
305 if (archetypes.contains (this))
306 {
307 archetypes.erase (this);
308 ht.erase (archname);
309 }
310}
311
279/* 312/*
280 * Initialises the internal linked list of archetypes (read from file). 313 * Finds, using the hashtable, which archetype matches the given name.
281 * Then the global "empty_archetype" pointer is initialised. 314 * returns a pointer to the found archetype, otherwise NULL.
282 * Then the blocksview[] array is initialised.
283 */ 315 */
316archetype *
317archetype::find (const char *name)
318{
319 if (!name)
320 return 0;
321
322 auto (i, ht.find (name));
323
324 if (i == ht.end ())
325 return 0;
326 else
327 return i->second;
328}
329
330archetype *
331archetype::read (object_thawer &f)
332{
333 assert (f.kw == KW_object);
334
335 std::vector<archetype *> parts;
336
337 coroapi::cede_to_tick ();
338
339 for (;;)
340 {
341 archetype *at = new archetype (f.get_str ());
342
343 f.next ();
344
345#if 0
346 // implementing it here in the server does neither allow multiple inheritence
347 // nor does it cleanly "just override". it would allow use in map files, though,
348 // and other resource files dynamically laoded (as opposed to being preprocessed).
349 // not that any of this is relevant as of yet...
350 if (f.kw == KW_inherit)
351 {
352 if (archetype *at = find (f.get_str ()))
353 *op = at->clone;
354 else
355 LOG (llevError, "archetype '%s' tries to inherit from non-existent archetype '%s'.\n",
356 &at->archname, f.get_str ());
357
358 f.next ();
359 }
360#endif
361
362 loading_arch = at; // hack to tell parse_kv et al. to behave
363 bool parse_ok = at->parse_kv (f);
364 loading_arch = 0;
365
366 if (!parse_ok)
367 goto fail;
368
369 loading_arch = at; // hack to tell parse_kv et al. to behave
370 at->post_load_check ();
371 loading_arch = 0;
372
373 parts.push_back (at);
374
375 if (f.kw != KW_more)
376 break;
377
378 f.next ();
379
380 if (f.kw != KW_object)
381 {
382 f.parse_error ("more object");
383 goto fail;
384 }
385 }
386
387 {
388 auto (at, parts.begin ());
389
390 archetype *new_head = parts.front ();
391 archetype *old_head = find (new_head->archname);
392
393 if (old_head && !old_head->is_head ())
394 {
395 LOG (llevError, "%s: unable to overwrite non-head archetype '%s' with head archetype, skipping.\n",
396 &new_head->archname, &old_head->archname);
397 goto fail;
398 }
399
400 // check that all archetypes belong to the same old object or are new
401 for (auto (at, parts.begin ()); at != parts.end (); ++at)
402 {
403 archetype *new_part = *at;
404 archetype *old_part = find (new_part->archname);
405
406 if (old_part && old_part->head_ () != old_head)
407 {
408 LOG (llevError, "%s: unable to overwrite archetype '%s' with archetype of different object, skipping.\n",
409 &new_part->archname, &((archetype *)old_part->head_ ())->archname);
410 goto fail;
411 }
412 }
413
414 // assemble new chain
415 new_head->min_x = new_head->max_x = new_head->x;
416 new_head->min_y = new_head->max_y = new_head->y;
417
418 archetype *less = new_head;
419 for (auto (p, parts.begin () + 1); p != parts.end (); ++p)
420 {
421 archetype *at = *p;
422
423 // some flags get inherited from the head (probably a lot more)
424 // doing it here doesn't feel too cozy, but it allows code
425 // to ignore head checks for these flags, which saves time
426 at->flag [FLAG_ALIVE] = new_head->flag [FLAG_ALIVE];
427 at->flag [FLAG_NO_PICK] = new_head->flag [FLAG_NO_PICK];
428 at->flag [FLAG_MONSTER] = new_head->flag [FLAG_MONSTER];
429 at->flag [FLAG_IS_FLOOR] = new_head->flag [FLAG_IS_FLOOR];
430
431 new_head->min_x = min (new_head->min_x, at->x);
432 new_head->min_y = min (new_head->min_y, at->y);
433 new_head->max_x = max (new_head->max_x, at->x);
434 new_head->max_y = max (new_head->max_y, at->y);
435
436 at->head = new_head;
437 less->more = at;
438 less = at;
439 }
440
441 postponed_arch.insert (postponed_arch.end (), parts.begin (), parts.end ());
442
443 return new_head;
444 }
445
446fail:
447 for (auto (p, parts.begin ()); p != parts.end (); ++p)
448 (*p)->destroy ();
449
450 return 0;
451}
284 452
285void 453void
286init_archetypes (void) 454archetype::postpone_arch_ref (arch_ptr &ref, const_utf8_string other_arch)
287{ /* called from add_player() and edit() */ 455{
288 if (first_archetype != NULL) /* Only do this once */ 456 ref = 0;
289 return; 457 postponed_arch_ref.push_back (std::pair<arch_ptr *, shstr>(&ref, shstr (other_arch)));
290
291 arch_init = 1;
292 load_archetypes ();
293 arch_init = 0;
294 empty_archetype = archetype::find ("empty_archetype");
295
296/* init_blocksview();*/
297} 458}
298 459
299/*
300 * An alternative way to init the hashtable which is slower, but _works_...
301 */
302void 460void
303init_archetable (void) 461archetype::commit_load ()
304{ 462{
463 // unlink old archetypes and link in new ones */
464 for (auto (p, postponed_arch.begin ()); p != postponed_arch.end (); ++p)
465 {
305 archetype *at; 466 archetype *at = *p;
306 467
307 LOG (llevDebug, " Setting up archetable...\n"); 468 if (archetype *old = find (at->archname))
469 old->unlink ();
308 470
309 for (at = first_archetype; at; at = at->more ? at->more : at->next) 471 allarch.push_back (at);
310 at->hash_add ();
311 472
312 LOG (llevDebug, "done\n"); 473 at->link ();
474 ++dirtycnt;
475 }
476
477 postponed_arch.clear ();
478
479 // now resolve arch references
480 for (auto (p, postponed_arch_ref.begin ()); p != postponed_arch_ref.end (); ++p)
481 {
482 arch_ptr *ap = p->first;
483 archetype *at = find (p->second);
484
485 if (!at)
486 LOG (llevError, "unable to resolve postponed arch reference to '%s'", &p->second);
487
488 *ap = at;
489 }
490
491 postponed_arch_ref.clear ();
492
493 empty = find (shstr_empty_archetype);
313} 494}
314 495
315void 496void
316free_all_archs (void) 497archetype::gc ()
317{ 498{
318 archetype *at, *next; 499 int cnt = max (1, min (allarch.size () / 128, dirtycnt));
319 int i = 0, f = 0; 500 dirtycnt = max (0, dirtycnt - cnt);
320 501
321 for (at = first_archetype; at; at = next) 502 do
322 { 503 {
323 if (at->more) 504 static int idx;
324 next = at->more; 505
506 if (idx >= allarch.size ())
507 if (idx)
508 idx = 0;
509 else
510 return;
511
512 archetype *at = allarch [idx];
513
514 if (at->refcnt_cnt () > 1) // all arches have ONE refcount from their object
515 ++idx;
325 else 516 else
326 next = at->next;
327
328 delete
329 at;
330
331 i++;
332 }
333
334 LOG (llevDebug, "Freed %d archetypes, %d faces\n", i, f);
335}
336
337archetype::archetype ()
338{
339 CLEAR_FLAG (&clone, FLAG_FREED); /* This shouldn't matter, since copy_to */
340 SET_FLAG (&clone, FLAG_REMOVED); /* doesn't copy these flags... */
341}
342
343archetype::~archetype ()
344{
345}
346
347/*
348 * Reads/parses the archetype-file, and copies into a linked list
349 * of archetype-structures.
350 */
351void
352first_arch_pass (object_thawer & fp)
353{
354 archetype *head = 0, *last_more = 0;
355
356 archetype *at = new archetype;
357 at->clone.arch = first_archetype = at;
358
359 while (int i = load_object (fp, &at->clone, 0))
360 {
361 at->clone.speed_left = (float) (-0.1);
362 /* copy the body_info to the body_used - this is only really
363 * need for monsters, but doesn't hurt to do it for everything.
364 * by doing so, when a monster is created, it has good starting
365 * values for the body_used info, so when items are created
366 * for it, they can be properly equipped.
367 */
368 memcpy (&at->clone.body_used, &at->clone.body_info, sizeof (at->clone.body_info));
369
370 switch (i)
371 { 517 {
372 case LL_NORMAL: /* A new archetype, just link it with the previous */ 518 LOG (llevDebug, "garbage collect arch %s", &at->archname);
373 if (last_more != NULL) 519 assert (at->arch == at); // verify that refcnt == 1 is truly valid
374 last_more->next = at; 520 allarch.erase (idx);
375 if (head != NULL)
376 head->next = at;
377 head = last_more = at;
378#if 0
379 if (!op->type)
380 LOG (llevDebug, " WARNING: Archetype %s has no type info!\n", op->arch->name);
381#endif
382 at->tail_x = 0;
383 at->tail_y = 0;
384 break;
385 521
386 case LL_MORE: /* Another part of the previous archetype, link it correctly */ 522 // break chain
387 523 for (object *op = at->head_ (); op; )
388 at->head = head;
389 at->clone.head = &head->clone;
390 if (last_more != NULL)
391 { 524 {
525 object *next = op->more;
526 op->head = 0;
392 last_more->more = at; 527 op->more = 0;
393 last_more->clone.more = &at->clone; 528 op = next;
394 } 529 }
395 last_more = at;
396 530
397 /* If this multipart image is still composed of individual small 531 at->destroy ();
398 * images, don't set the tail_.. values. We can't use them anyways, 532 at->arch = 0;
399 * and setting these to zero makes the map sending to the client much
400 * easier as just looking at the head, we know what to do.
401 */
402 if (at->clone.face != head->clone.face)
403 {
404 head->tail_x = 0;
405 head->tail_y = 0;
406 }
407 else
408 {
409 if (at->clone.x > head->tail_x)
410 head->tail_x = at->clone.x;
411 if (at->clone.y > head->tail_y)
412 head->tail_y = at->clone.y;
413 }
414 break;
415
416 } 533 }
417
418 at = new archetype;
419
420 at->clone.arch = at;
421 }
422
423 delete at;
424}
425
426/*
427 * Reads the archetype file once more, and links all pointers between
428 * archetypes.
429 */
430
431void
432second_arch_pass (object_thawer & thawer)
433{
434 char buf[MAX_BUF], *variable = buf, *argument, *cp;
435 archetype *at = NULL, *other;
436
437 while (fgets (buf, MAX_BUF, thawer) != NULL)
438 { 534 }
439 if (*buf == '#') 535 while (--cnt);
440 continue;
441 if ((argument = strchr (buf, ' ')) != NULL)
442 {
443 *argument = '\0', argument++;
444 cp = argument + strlen (argument) - 1;
445 while (isspace (*cp))
446 {
447 *cp = '\0';
448 cp--;
449 }
450 }
451 if (!strcmp ("Object", variable))
452 {
453 if ((at = archetype::find (argument)) == NULL)
454 LOG (llevError, "Warning: failed to find arch %s\n", argument);
455 }
456 else if (!strcmp ("other_arch", variable))
457 {
458 if (at != NULL && at->clone.other_arch == NULL)
459 {
460 if ((other = archetype::find (argument)) == NULL)
461 LOG (llevError, "Warning: failed to find other_arch %s\n", argument);
462 else if (at != NULL)
463 at->clone.other_arch = other;
464 }
465 }
466 else if (!strcmp ("randomitems", variable))
467 {
468 if (at != NULL)
469 {
470 treasurelist *tl = find_treasurelist (argument);
471
472 if (tl == NULL)
473 LOG (llevError, "Failed to link treasure to arch (%s): %s\n", &at->name, argument);
474 else
475 at->clone.randomitems = tl;
476 }
477 }
478 }
479} 536}
480 537
481#ifdef DEBUG
482void
483check_generators (void)
484{
485 archetype *at;
486
487 for (at = first_archetype; at != NULL; at = at->next)
488 if (QUERY_FLAG (&at->clone, FLAG_GENERATOR) && at->clone.other_arch == NULL)
489 LOG (llevError, "Warning: %s is generator but lacks other_arch.\n", &at->name);
490}
491#endif
492
493/*
494 * First initialises the archtype hash-table (init_archetable()).
495 * Reads and parses the archetype file (with the first and second-pass
496 * functions).
497 * Then initialises treasures by calling load_treasures().
498 */
499
500void
501load_archetypes (void)
502{
503 char filename[MAX_BUF];
504
505 sprintf (filename, "%s/%s", settings.datadir, settings.archetypes);
506 LOG (llevDebug, "Reading archetypes from %s:\n", filename);
507
508 {
509 object_thawer
510 thawer (filename);
511
512 LOG (llevDebug, " arch-pass 1...\n");
513 first_arch_pass (thawer);
514 LOG (llevDebug, " done\n");
515 }
516
517 init_archetable ();
518 warn_archetypes = 1;
519
520 {
521 object_thawer
522 thawer (filename);
523
524 LOG (llevDebug, " loading treasure...\n");
525 load_treasures ();
526 LOG (llevDebug, " done\n");
527 LOG (llevDebug, " arch-pass 2...\n");
528 second_arch_pass (thawer);
529 LOG (llevDebug, " done\n");
530#ifdef DEBUG
531 check_generators ();
532#endif
533 }
534 LOG (llevDebug, " done\n");
535}
536
537/*
538 * Creates and returns a new object which is a copy of the given archetype.
539 * This function returns NULL on failure.
540 */
541object *
542arch_to_object (archetype *at)
543{
544 object *op; 538object *
545 539archetype::instance ()
546 if (at == NULL) 540{
547 { 541 object *op = clone ();
548 if (warn_archetypes)
549 LOG (llevError, "Couldn't find archetype.\n");
550
551 return NULL;
552 }
553
554 op = at->clone.clone ();
555 op->arch = at;
556 op->instantiate (); 542 op->instantiate ();
557 return op; 543 return op;
558} 544}
559 545
560/* 546/*
564 * an object, and never NULL. 550 * an object, and never NULL.
565 */ 551 */
566object * 552object *
567create_singularity (const char *name) 553create_singularity (const char *name)
568{ 554{
569 object *op; 555 LOG (llevError | logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
570 char buf[MAX_BUF];
571 556
572 sprintf (buf, "%s (%s)", ARCH_SINGULARITY, name); 557 if (!strcmp (name, "bug"))
573 op = object::create (); 558 abort ();
574 op->name = op->name_pl = buf; 559
575 SET_FLAG (op, FLAG_NO_PICK); 560 object *op = archetype::get (shstr_bug);
561 op->name = op->name_pl = format ("bug, please report (missing archetype %s)", name);
562
576 return op; 563 return op;
577} 564}
578 565
579/* 566/*
580 * Finds which archetype matches the given name, and returns a new 567 * Finds which archetype matches the given name, and returns a new
581 * object containing a copy of the archetype. 568 * object containing a copy of the archetype.
582 */ 569 */
583object * 570object *
584get_archetype (const char *name) 571get_archetype (const char *name)
585{ 572{
573 return archetype::get (name);
574}
575
576object *
577archetype::get (const char *name)
578{
586 archetype *at = archetype::find (name); 579 archetype *at = find (name);
587 580
588 if (!at) 581 if (!at)
589 return create_singularity (name); 582 return create_singularity (name);
590 583
591 return arch_to_object (at); 584 return at->instance ();
592}
593
594/*
595 * Hash-function used by the arch-hashtable.
596 */
597
598unsigned long
599hasharch (const char *str, int tablesize)
600{
601 unsigned long hash = 0;
602 unsigned int i = 0;
603 const char *p;
604
605 /* use the one-at-a-time hash function, which supposedly is
606 * better than the djb2-like one used by perl5.005, but
607 * certainly is better then the bug used here before.
608 * see http://burtleburtle.net/bob/hash/doobs.html
609 */
610 for (p = str; i < MAXSTRING && *p; p++, i++)
611 {
612 hash += *p;
613 hash += hash << 10;
614 hash ^= hash >> 6;
615 }
616
617 hash += hash << 3;
618 hash ^= hash >> 11;
619 hash += hash << 15;
620
621 return hash % tablesize;
622}
623
624/*
625 * Finds, using the hashtable, which archetype matches the given name.
626 * returns a pointer to the found archetype, otherwise NULL.
627 */
628archetype *
629archetype::find (const char *name)
630{
631 if (!name)
632 return 0;
633
634 AUTODECL (i, ht.find (name));
635
636 if (i == ht.end ())
637 return 0;
638 else
639 return i->second;
640}
641
642/*
643 * Adds an archetype to the hashtable.
644 */
645void
646archetype::hash_add ()
647{
648 ht.insert (std::make_pair (name, this));
649}
650
651void
652archetype::hash_del ()
653{
654 ht.erase (name);
655} 585}
656 586
657/* 587/*
658 * Returns the first archetype using the given type. 588 * Returns the first archetype using the given type.
659 * Used in treasure-generation. 589 * Used in treasure-generation.
660 */ 590 */
661archetype * 591archetype *
662type_to_archetype (int type) 592type_to_archetype (int type)
663{ 593{
664 archetype *at; 594 for_all_archetypes (at)
665 595 if (at->type == type && at->head_ () != at)
666 for (at = first_archetype; at; at = at->more == 0 ? at->next : at->more)
667 if (at->clone.type == type)
668 return at; 596 return at;
669 597
670 return 0; 598 return 0;
671} 599}
672 600
673/* 601/*
674 * Returns a new object copied from the first archetype matching 602 * Returns a new object copied from the first archetype matching
675 * the given type. 603 * the given type.
676 * Used in treasure-generation. 604 * Used in treasure-generation.
677 */ 605 */
678
679object * 606object *
680clone_arch (int type) 607clone_arch (int type)
681{ 608{
682 archetype *at; 609 archetype *at = type_to_archetype (type);
683 610
684 if ((at = type_to_archetype (type)) == NULL) 611 if (!at)
685 { 612 {
686 LOG (llevError, "Can't clone archetype %d\n", type); 613 LOG (llevError, "Can't clone archetype %d\n", type);
687 return 0; 614 return 0;
688 } 615 }
689 616
690 object *op = at->clone.clone (); 617 return at->instance ();
691 op->instantiate ();
692 return op;
693} 618}
694 619
695/* 620/*
696 * member: make instance from class 621 * member: make instance from class
697 */ 622 */
698
699object * 623object *
700object_create_arch (archetype *at) 624object_create_arch (archetype *at)
701{ 625{
702 object *op, *prev = 0, *head = 0; 626 object *op, *prev = 0, *head = 0;
703 627
704 while (at) 628 while (at)
705 { 629 {
706 op = arch_to_object (at); 630 op = at->instance ();
631
707 op->x = at->clone.x; 632 op->x = at->x;
708 op->y = at->clone.y; 633 op->y = at->y;
709 634
710 if (head) 635 if (head)
711 op->head = head, prev->more = op; 636 op->head = head, prev->more = op;
712 637
713 if (!head) 638 if (!head)
714 head = op; 639 head = op;
715 640
716 prev = op; 641 prev = op;
717 at = at->more; 642 at = (archetype *)at->more;
718 } 643 }
719 644
720 return (head); 645 return head;
721} 646}
722 647

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