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Comparing deliantra/server/common/arch.C (file contents):
Revision 1.61 by root, Mon May 28 21:21:39 2007 UTC vs.
Revision 1.115 by root, Sat Nov 17 23:33:17 2018 UTC

1/* 1/*
2 * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992 Frank Tore Johansen
7 * 7 *
8 * Crossfire TRT is free software; you can redistribute it and/or modify it 8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * under the terms of the GNU General Public License as published by the Free 9 * the terms of the Affero GNU General Public License as published by the
10 * Software Foundation; either version 2 of the License, or (at your option) 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * any later version. 11 * option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, but 13 * This program is distributed in the hope that it will be useful,
14 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * 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 along 18 * You should have received a copy of the Affero GNU General Public License
19 * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51 19 * and the GNU General Public License along with this program. If not, see
20 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 * <http://www.gnu.org/licenses/>.
21 * 21 *
22 * The authors can be reached via e-mail to <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#include <functional>
27
28#include <flat_hash_map.hpp>
26 29
27#include <global.h> 30#include <global.h>
28#include <funcpoint.h>
29#include <loader.h>
30 31
31#include <tr1/functional>
32#include <tr1/unordered_map>
33
34/* The naming of these functions is really poor - they are all
35 * pretty much named '.._arch_...', but they may more may not
36 * return archetypes. Some make the arch_to_object call, and thus
37 * return an object. Perhaps those should be called 'archob' functions
38 * to denote they return an object derived from the archetype.
39 * MSW 2003-04-29
40 */
41
42bool loading_arch; // ugly flag to object laoder etc. to suppress/request special processing 32archetype *loading_arch; // ugly flag to object loader etc. to suppress/request special processing
33arch_ptr archetype::empty;
43 34
44// the hashtable 35// the hashtable
45typedef std::tr1::unordered_map 36typedef ska::flat_hash_map<
46 <
47 const char *, 37 const char *,
48 arch_ptr, 38 arch_ptr,
49 str_hash, 39 str_hash,
50 str_equal, 40 str_equal,
51 slice_allocator< std::pair<const char *const, arch_ptr> > 41 slice_allocator< std::pair<const char *const, arch_ptr> >
52 > HT; 42> HT;
53 43
54static HT ht (5000); 44static HT ht (10000);
45archvec archetypes;
46static unordered_vector<archetype *> allarch;
47static int dirtycnt;
48
49// the vector of other_arch references to be resolved
50static std::vector< std::pair<arch_ptr *, shstr> > postponed_arch_ref;
51// the vector of loaded but not yet committed archetypes
55static std::vector<archetype *> archetypes; 52static std::vector<archetype *> postponed_arch;
53
54//+GPL
55
56/*
57 * Creates an object. This function is called by archetype::get ()
58 * if it fails to find the appropriate archetype.
59 * Thus archetype::get() will be guaranteed to always return
60 * an object, and never NULL.
61 */
62static object *
63create_singularity (const char *name)
64{
65 LOG (llevError | logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
66
67 if (!strcmp (name, "bug"))
68 abort ();
69
70 object *op = archetype::get (shstr_bug);
71 op->name = op->name_pl = format ("bug, please report (missing archetype %s)", name);
72
73 return op;
74}
56 75
57/** 76/**
58 * GROS - This function retrieves an archetype given the name that appears 77 * GROS - This function retrieves an archetype given the name that appears
59 * during the game (for example, "writing pen" instead of "stylus"). 78 * during the game (for example, "writing pen" instead of "stylus").
60 * It does not use the hashtable system, but browse the whole archlist each time. 79 * It does not use the hashtable system, but browse the whole archlist each time.
68archetype * 87archetype *
69find_archetype_by_object_name (const char *name) 88find_archetype_by_object_name (const char *name)
70{ 89{
71 shstr_cmp name_cmp (name); 90 shstr_cmp name_cmp (name);
72 91
73 for (archetype *at = first_archetype; at; at = at->next) 92 for_all_archetypes (at)
74 if (at->clone.name == name_cmp) 93 if (at->name == name_cmp)
75 return at; 94 return at;
76 95
77 return 0; 96 return 0;
78} 97}
79 98
85archetype * 104archetype *
86find_archetype_by_object_type_name (int type, const char *name) 105find_archetype_by_object_type_name (int type, const char *name)
87{ 106{
88 shstr_cmp name_cmp (name); 107 shstr_cmp name_cmp (name);
89 108
90 for (archetype *at = first_archetype; at; at = at->next) 109 for_all_archetypes (at)
91 if (at->clone.name == name_cmp && at->clone.type == type) 110 if (at->name == name_cmp && at->type == type)
92 return at; 111 return at;
93 112
94 return 0; 113 return 0;
95} 114}
96 115
102object * 121object *
103get_archetype_by_skill_name (const char *skill, int type) 122get_archetype_by_skill_name (const char *skill, int type)
104{ 123{
105 shstr_cmp skill_cmp (skill); 124 shstr_cmp skill_cmp (skill);
106 125
107 for (archetype *at = first_archetype; at; at = at->next) 126 for_all_archetypes (at)
108 if (at->clone.skill == skill_cmp && (type == -1 || type == at->clone.type)) 127 if (at->skill == skill_cmp && (type == -1 || type == at->type))
109 return arch_to_object (at); 128 return at->instance ();
110 129
111 return 0; 130 return 0;
112} 131}
113 132
114/* similiar to above - this returns the first archetype 133/* similiar to above - this returns the first archetype
119 * (eg, skills) 138 * (eg, skills)
120 */ 139 */
121archetype * 140archetype *
122get_archetype_by_type_subtype (int type, int subtype) 141get_archetype_by_type_subtype (int type, int subtype)
123{ 142{
124 for (archetype *at = first_archetype; at; at = at->next) 143 for_all_archetypes (at)
125 if ((type == -1 || type == at->clone.type) && (subtype == -1 || subtype == at->clone.subtype)) 144 if ((type == -1 || type == at->type) && (subtype == -1 || subtype == at->subtype))
126 return at; 145 return at;
127 146
128 return 0; 147 return 0;
129} 148}
130 149
135 * - name: The name we're searching for (ex: "writing pen"); 154 * - name: The name we're searching for (ex: "writing pen");
136 * Return value: 155 * Return value:
137 * - a corresponding object if found; a singularity object if not found. 156 * - a corresponding object if found; a singularity object if not found.
138 * Note by MSW - it appears that it takes the full name and keeps 157 * Note by MSW - it appears that it takes the full name and keeps
139 * shortening it until it finds a match. I re-wrote this so that it 158 * shortening it until it finds a match. I re-wrote this so that it
140 * doesn't malloc it each time - not that this function is used much, 159 * doesn't allocate it each time - not that this function is used much,
141 * but it otherwise had a big memory leak. 160 * but it otherwise had a big memory leak.
142 */ 161 */
143object * 162object *
144get_archetype_by_object_name (const char *name) 163get_archetype_by_object_name (const char *name)
145{ 164{
146 char tmpname[MAX_BUF]; 165 char tmpname[MAX_BUF];
147 int i;
148 166
149 assign (tmpname, name); 167 assign (tmpname, name);
150 168
151 for (i = strlen (tmpname); i > 0; i--) 169 for (int i = strlen (tmpname); i > 0; i--)
152 { 170 {
153 tmpname[i] = 0; 171 tmpname[i] = 0;
154 172
155 if (archetype *at = find_archetype_by_object_name (tmpname)) 173 if (archetype *at = find_archetype_by_object_name (tmpname))
156 return arch_to_object (at); 174 return at->instance ();
157 } 175 }
158 176
159 return create_singularity (name); 177 return create_singularity (name);
160} 178}
161 179
162 /* This is a subset of the parse_id command. Basically, name can be 180/* This is a subset of the parse_id command. Basically, name can be
163 * a string seperated lists of things to match, with certain keywords. 181 * a string seperated lists of things to match, with certain keywords.
164 * pl is the player (only needed to set count properly) 182 * pl is the player (only needed to set count properly)
165 * op is the item we are trying to match. Calling function takes care 183 * op is the item we are trying to match. Calling function takes care
166 * of what action might need to be done and if it is valid 184 * of what action might need to be done and if it is valid
167 * (pickup, drop, etc.) Return NONZERO if we have a match. A higher 185 * (pickup, drop, etc.) Return NONZERO if we have a match. A higher
168 * value means a better match. 0 means no match. 186 * value means a better match. 0 means no match.
169 * 187 *
170 * Brief outline of the procedure: 188 * Brief outline of the procedure:
171 * We take apart the name variable into the individual components. 189 * We take apart the name variable into the individual components.
172 * cases for 'all' and unpaid are pretty obvious. 190 * cases for 'all' and unpaid are pretty obvious.
173 * Next, we check for a count (either specified in name, or in the 191 * Next, we check for a count (either specified in name, or in the
174 * player object.) 192 * player object.)
175 * If count is 1, make a quick check on the name. 193 * If count is 1, make a quick check on the name.
176 * IF count is >1, we need to make plural name. Return if match. 194 * IF count is >1, we need to make plural name. Return if match.
177 * Last, make a check on the full name. 195 * Last, make a check on the full name.
178 */ 196 */
179int 197int
180item_matched_string (object *pl, object *op, const char *name) 198item_matched_string (object *pl, object *op, const char *name)
181{ 199{
182 char *cp, local_name[MAX_BUF]; 200 char *cp, local_name[MAX_BUF];
183 int count, retval = 0; 201 int count, retval = 0;
193 /* All is a very generic match - low match value */ 211 /* All is a very generic match - low match value */
194 if (!strcmp (cp, "all")) 212 if (!strcmp (cp, "all"))
195 return 1; 213 return 1;
196 214
197 /* unpaid is a little more specific */ 215 /* unpaid is a little more specific */
198 if (!strcmp (cp, "unpaid") && QUERY_FLAG (op, FLAG_UNPAID)) 216 if (!strcmp (cp, "unpaid") && op->flag [FLAG_UNPAID])
199 return 2; 217 return 2;
200 if (!strcmp (cp, "cursed") && QUERY_FLAG (op, FLAG_KNOWN_CURSED) && (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED))) 218
219 if (!strcmp (cp, "cursed") && op->flag [FLAG_KNOWN_CURSED] && (op->flag [FLAG_CURSED] || op->flag [FLAG_DAMNED]))
201 return 2; 220 return 2;
202 221
203 if (!strcmp (cp, "unlocked") && !QUERY_FLAG (op, FLAG_INV_LOCKED)) 222 if (!strcmp (cp, "unlocked") && !op->flag [FLAG_INV_LOCKED])
204 return 2; 223 return 2;
205 224
206 /* Allow for things like '100 arrows' */ 225 /* Allow for things like '100 arrows' */
207 if ((count = atoi (cp)) != 0) 226 if ((count = atoi (cp)) != 0)
208 { 227 {
226 * is because of the 'else' handling - we don't want to match on 245 * is because of the 'else' handling - we don't want to match on
227 * something and set a low retval, even though it may match a higher retcal 246 * something and set a low retval, even though it may match a higher retcal
228 * later. So keep it in descending order here, so we try for the best 247 * later. So keep it in descending order here, so we try for the best
229 * match first, and work downward. 248 * match first, and work downward.
230 */ 249 */
250 const char *qbn0, *qbn1, *qsn; // query base name/short name caches
251
231 if (!strcasecmp (cp, query_name (op))) 252 if (!strcasecmp (cp, query_name (op)))
232 retval = 20; 253 retval = 20;
233 else if (!strcasecmp (cp, query_short_name (op))) 254 else if (!strcasecmp (cp, qsn = query_short_name (op)))
234 retval = 18; 255 retval = 18;
235 else if (!strcasecmp (cp, query_base_name (op, 0))) 256 else if (!strcasecmp (cp, qbn0 = query_base_name (op, 0)))
236 retval = 16; 257 retval = 16;
237 else if (!strcasecmp (cp, query_base_name (op, 1))) 258 else if (!strcasecmp (cp, qbn1 = query_base_name (op, 1)))
238 retval = 16; 259 retval = 16;
239 else if (op->custom_name && !strcasecmp (cp, op->custom_name)) 260 else if (op->custom_name && !strcasecmp (cp, op->custom_name))
240 retval = 15; 261 retval = 15;
241 else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp))) 262 else if (!strncasecmp (cp, qbn0, strlen (cp)))
242 retval = 14; 263 retval = 14;
243 else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp))) 264 else if (!strncasecmp (cp, qbn1, strlen (cp)))
244 retval = 14; 265 retval = 14;
245 /* Do substring checks, so things like 'Str+1' will match. 266 /* Do substring checks, so things like 'Str+1' will match.
246 * retval of these should perhaps be lower - they are lower 267 * retval of these should perhaps be lower - they are lower
247 * then the specific strcasecmp aboves, but still higher than 268 * then the specific strcasecmp aboves, but still higher than
248 * some other match criteria. 269 * some other match criteria.
249 */ 270 */
250 else if (strstr (query_base_name (op, 1), cp)) 271 else if (strstr (qbn1, cp))
251 retval = 12; 272 retval = 12;
252 else if (strstr (query_base_name (op, 0), cp)) 273 else if (strstr (qbn0, cp))
253 retval = 12; 274 retval = 12;
254 else if (strstr (query_short_name (op), cp)) 275 else if (strstr (qsn, cp))
255 retval = 12; 276 retval = 12;
256 /* Check against plural/non plural based on count. */ 277 /* Check against plural/non plural based on count. */
257 else if (count > 1 && !strcasecmp (cp, op->name_pl)) 278 else if (count > 1 && !strcasecmp (cp, op->name_pl))
258 retval = 6; 279 retval = 6;
259 else if (count == 1 && !strcasecmp (op->name, cp)) 280 else if (count == 1 && !strcasecmp (op->name, cp))
260 retval = 6; 281 retval = 6;
261 /* base name matched - not bad */ 282 /* base name matched - not bad */
262 else if (strcasecmp (cp, op->name) == 0 && !count) 283 else if (strcasecmp (cp, op->name) == 0 && !count)
263 retval = 4; 284 retval = 4;
264 /* Check for partial custom name, but give a real low priority */ 285 /* Check for partial custom name, but give a real low priority */
265 else if (op->custom_name && strstr (op->custom_name, cp)) 286 else if (op->custom_name.contains (cp))
266 retval = 3; 287 retval = 3;
267 288
268 if (retval) 289 if (retval)
269 { 290 {
270 if (pl->type == PLAYER) 291 if (pl->type == PLAYER)
275 } 296 }
276 297
277 return 0; 298 return 0;
278} 299}
279 300
280archetype::archetype () 301//-GPL
302
303void
304archetype::do_delete ()
281{ 305{
306 delete this;
307}
308
309archetype::archetype (const char *name)
310{
282 clone.arch = this; 311 arch = this;
283 312 this->archname = this->name = this->name_pl = name;
284 CLEAR_FLAG (&clone, FLAG_FREED); /* This shouldn't matter, since copy_to */
285 SET_FLAG (&clone, FLAG_REMOVED); /* doesn't copy these flags... */
286} 313}
287 314
288archetype::~archetype () 315archetype::~archetype ()
289{ 316{
290 //TODO: nuke ->more's 317 unlink ();
291} 318}
292 319
293static void
294unlink (archetype *at)
295{
296 if (at->head)
297 at = at->head;
298
299 // destroy this archetype's link, making singletons out of its parts
300 while (at)
301 {
302 archetype *more = at->more;
303 at->clone.destroy_inv ();
304 at->head = at->more = 0;
305 at = more;
306 }
307}
308
309// dire hack, need to rationalise
310void 320void
311overwrite (archetype *at, object *op) 321archetype::link ()
312{ 322{
313 at->clone = *op; 323 if (!archetypes.contains (this))
314 at->clone.arch = at; 324 {
325 archetypes.insert (this);
326 ht.insert (std::make_pair (archname, this));
327 }
328}
315 329
316 at->clone.inv = op->inv; op->inv = 0; 330void
331archetype::unlink ()
332{
333 if (archetypes.contains (this))
334 {
335 archetypes.erase (this);
336 ht.erase (archname);
337 }
338}
317 339
318 op->destroy (); 340/*
341 * Finds, using the hashtable, which archetype matches the given name.
342 * returns a pointer to the found archetype, otherwise NULL.
343 */
344archetype *
345archetype::find (const char *name)
346{
347 if (!name)
348 return 0;
349
350 auto (i, ht.find (name));
351
352 if (i == ht.end ())
353 return 0;
354 else
355 return i->second;
356}
357
358void
359archetype::post_load_check ()
360{
361 assert (("obj_original MUST NOT be set for archetypes", !flag [FLAG_OBJ_ORIGINAL]));
362
363 if (type == SKILL)
364 add_skill_archetype (this);
365
366 object::post_load_check ();
319} 367}
320 368
321archetype * 369archetype *
322archetype::read (object_thawer &f) 370archetype::read (object_thawer &f)
323{ 371{
324 assert (f.kw == KW_object); 372 assert (f.kw == KW_object);
325 373
326 loading_arch = true; // hack to tell parse_kv et al. to behave
327
328 typedef std::pair<archetype *, object *> part;
329 std::vector<part> parts; 374 std::vector<archetype *> parts;
330 375
331 coroapi::cede_to_tick_every (100); 376 coroapi::cede_to_tick ();
332 377
333 for (;;) 378 for (;;)
334 { 379 {
335 object *op = object::create ();
336 archetype *at = get (f.get_str ()); 380 archetype *at = new archetype (f.get_str ());
337 f.get (op->name); 381
338 f.next (); 382 f.next ();
339 383
340#if 0 384#if 0
385 // implementing it here in the server does neither allow multiple inheritence
386 // nor does it cleanly "just override". it would allow use in map files, though,
387 // and other resource files dynamically loaded (as opposed to being preprocessed).
388 // not that any of this is relevant as of yet...
341 if (f.kw == KW_inherit) 389 if (f.kw == KW_inherit)
342 { 390 {
343 if (archetype *at = find (f.get_str ())) 391 if (archetype *at = find (f.get_str ()))
344 *op = at->clone; 392 *op = at->clone;
345 else 393 else
346 LOG (llevError, "archetype '%s' tries to inherit from non-existent archetype '%s'.\n", 394 LOG (llevError, "archetype '%s' tries to inherit from non-existent archetype '%s'.\n",
347 &at->name, f.get_str ()); 395 &at->archname, f.get_str ());
348 396
349 f.next (); 397 f.next ();
350 } 398 }
351#endif 399#endif
352 400
401 loading_arch = at; // hack to tell parse_kv et al. to behave
402 bool parse_ok = at->parse_kv (f);
403 loading_arch = 0;
404
353 if (!op->parse_kv (f)) 405 if (!parse_ok)
354 goto fail; 406 goto fail;
355 407
408 loading_arch = at; // hack to tell parse_kv et al. to behave
356 op->post_load_check (); 409 at->post_load_check ();
410 loading_arch = 0;
357 411
358 parts.push_back (std::make_pair (at, op)); 412 parts.push_back (at);
359 413
360 if (f.kw != KW_more) 414 if (f.kw != KW_more)
361 break; 415 break;
362 416
363 f.next (); 417 f.next ();
368 goto fail; 422 goto fail;
369 } 423 }
370 } 424 }
371 425
372 { 426 {
427 auto (at, parts.begin ());
428
373 archetype *head = parts.front ().first; 429 archetype *new_head = parts.front ();
430 archetype *old_head = find (new_head->archname);
374 431
375 // check that all archetypes belong to the same object or are heads 432 if (old_head && !old_head->is_head ())
376 for (auto (p, parts.begin ()); p != parts.end (); ++p)
377 { 433 {
378 archetype *at = p->first; 434 LOG (llevError, "%s: unable to overwrite non-head archetype '%s' with head archetype, skipping.\n",
435 &new_head->archname, &old_head->archname);
436 goto fail;
437 }
379 438
380 if (at->head != head && at->head) 439 // check that all archetypes belong to the same old object or are new
440 for (auto (at, parts.begin ()); at != parts.end (); ++at)
441 {
442 archetype *new_part = *at;
443 archetype *old_part = find (new_part->archname);
444
445 if (old_part && old_part->head_ () != old_head)
381 { 446 {
382 LOG (llevError, "%s: unable to overwrite foreign non-head archetype with non-head archetype\n", &at->name); 447 LOG (llevError, "%s: unable to overwrite archetype '%s' with archetype of different object, skipping.\n",
383 goto fail; 448 &new_part->archname, &((archetype *)old_part->head_ ())->archname);
384 }
385
386 if (at->next && at != head)
387 {
388 LOG (llevError, "%s: unable to overwrite foreign head archetype with non-head archetype\n", &at->name);
389 goto fail; 449 goto fail;
390 } 450 }
391 } 451 }
392 452
393 // sever chain of existing head object
394 for (archetype *more, *at = head; at; at = more)
395 {
396 more = at->more;
397
398 at->head = 0;
399 at->more = 0;
400 }
401
402 // replace/update head
403 overwrite (head, parts.front ().second);
404 head->tail_x = 0;
405 head->tail_y = 0;
406
407 // link into list of heads, if not already there
408 if (!head->linked)
409 {
410 head->linked = true;
411 head->next = first_archetype;
412 first_archetype = head;
413 }
414
415 // reassemble new chain 453 // assemble new chain
454 new_head->max_x = new_head->x;
455
416 archetype *prev = head; 456 archetype *less = new_head;
417 for (auto (p, parts.begin () + 1); p != parts.end (); ++p) 457 for (auto (p, parts.begin () + 1); p != parts.end (); ++p)
418 { 458 {
419 archetype *at = p->first; 459 archetype *at = *p;
420 overwrite (at, p->second);
421 460
422 if (at->clone.x > head->tail_x) head->tail_x = at->clone.x; 461 // some flags get inherited from the head (probably a lot more)
423 if (at->clone.y > head->tail_y) head->tail_y = at->clone.y; 462 // doing it here doesn't feel too cozy, but it allows code
463 // to ignore head checks for these flags, which saves time
464 at->flag [FLAG_ALIVE] = new_head->flag [FLAG_ALIVE];
465 at->flag [FLAG_NO_PICK] = new_head->flag [FLAG_NO_PICK];
466 at->flag [FLAG_MONSTER] = new_head->flag [FLAG_MONSTER];
467 at->flag [FLAG_IS_FLOOR] = new_head->flag [FLAG_IS_FLOOR];
424 468
469 new_head->max_x = max (new_head->max_x, at->x);
470
425 at->head = head; 471 at->head = new_head;
426 at->clone.head = &head->clone;
427 prev->more = at; 472 less->more = at;
428 prev->clone.more = &at->clone;
429
430 prev = at; 473 less = at;
431 } 474 }
432 475
433 loading_arch = false; 476 postponed_arch.insert (postponed_arch.end (), parts.begin (), parts.end ());
477
434 return head; 478 return new_head;
435 } 479 }
436 480
437fail: 481fail:
438 for (auto (p, parts.begin ()); p != parts.end (); ++p) 482 for (auto (p, parts.begin ()); p != parts.end (); ++p)
439 p->second->destroy (true); 483 (*p)->destroy ();
440 484
441 loading_arch = false;
442 return 0; 485 return 0;
443} 486}
444 487
445/*
446 * Initialize global archtype pointers:
447 */
448void 488void
449init_archetype_pointers () 489archetype::postpone_arch_ref (arch_ptr &ref, const_utf8_string other_arch)
450{ 490{
451 ring_arch = archetype::find ("ring"); 491 ref = 0;
452 amulet_arch = archetype::find ("amulet"); 492 postponed_arch_ref.push_back (std::pair<arch_ptr *, shstr>(&ref, shstr (other_arch)));
453 staff_arch = archetype::find ("staff");
454 crown_arch = archetype::find ("crown");
455 empty_archetype = archetype::find ("empty_archetype");
456} 493}
457 494
458/* 495void
459 * Creates and returns a new object which is a copy of the given archetype. 496archetype::commit_load ()
460 * This function returns NULL on failure. 497{
461 */ 498 // unlink old archetypes and link in new ones */
499 for (auto (p, postponed_arch.begin ()); p != postponed_arch.end (); ++p)
500 {
501 archetype *at = *p;
502
503 if (archetype *old = find (at->archname))
504 old->unlink ();
505
506 allarch.push_back (at);
507
508 at->link ();
509 ++dirtycnt;
510 }
511
512 postponed_arch.clear ();
513
514 // now resolve arch references
515 for (auto (p, postponed_arch_ref.begin ()); p != postponed_arch_ref.end (); ++p)
516 {
517 arch_ptr *ap = p->first;
518 archetype *at = find (p->second);
519
520 if (!at)
521 LOG (llevError, "unable to resolve postponed arch reference to '%s'", &p->second);
522
523 *ap = at;
524 }
525
526 postponed_arch_ref.clear ();
527
528 empty = find (shstr_empty_archetype);
529}
530
531void
532archetype::gc ()
533{
534 int cnt = max (1, min<int> (allarch.size () / 128, dirtycnt));
535 dirtycnt = max (0, dirtycnt - cnt);
536
537 do
538 {
539 static int idx;
540
541 if (idx >= allarch.size ())
542 if (idx)
543 idx = 0;
544 else
545 return;
546
547 archetype *at = allarch [idx];
548
549 if (at->refcnt_cnt () > 1) // all arches have ONE refcount from their object
550 ++idx;
551 else
552 {
553 //LOG (llevDebug, "garbage collect arch %s", &at->archname);
554 assert (at->arch == at); // verify that refcnt == 1 is truly valid
555 allarch.erase (idx);
556
557 // break chain
558 for (object *op = at->head_ (); op; )
559 {
560 object *next = op->more;
561 op->head = 0;
562 op->more = 0;
563 op = next;
564 }
565
566 at->destroy ();
567 at->arch = 0;
568 }
569 }
570 while (--cnt);
571}
572
462object * 573object *
463arch_to_object (archetype *at) 574archetype::instance ()
464{ 575{
465 if (!at)
466 {
467 LOG (llevError, "Couldn't find archetype.\n");
468 return 0;
469 }
470
471 object *op = at->clone.clone (); 576 object *op = clone ();
472 op->arch = at;
473 op->instantiate (); 577 op->instantiate ();
474
475 return op; 578 return op;
476} 579}
477 580
478/* 581//+GPL
479 * Creates an object. This function is called by get_archetype()
480 * if it fails to find the appropriate archetype.
481 * Thus get_archetype() will be guaranteed to always return
482 * an object, and never NULL.
483 */
484object *
485create_singularity (const char *name)
486{
487 object *op;
488 char buf[MAX_BUF];
489
490 sprintf (buf, "%s (%s)", ARCH_SINGULARITY, name);
491 op = object::create ();
492 op->name = op->name_pl = buf;
493 SET_FLAG (op, FLAG_NO_PICK);
494 return op;
495}
496 582
497/* 583/*
498 * Finds which archetype matches the given name, and returns a new 584 * Finds which archetype matches the given name, and returns a new
499 * object containing a copy of the archetype. 585 * object containing a copy of the archetype.
500 */ 586 */
501object * 587object *
502get_archetype (const char *name) 588archetype::get (const char *name)
503{ 589{
504 archetype *at = archetype::find (name); 590 archetype *at = find (name);
505 591
506 if (!at) 592 if (!at)
507 return create_singularity (name); 593 return create_singularity (name);
508 594
509 return arch_to_object (at); 595 return at->instance ();
510}
511
512/*
513 * Finds, using the hashtable, which archetype matches the given name.
514 * returns a pointer to the found archetype, otherwise NULL.
515 */
516archetype *
517archetype::find (const char *name)
518{
519 if (!name)
520 return 0;
521
522 auto (i, ht.find (name));
523
524 if (i == ht.end ())
525 return 0;
526 else
527 return i->second;
528}
529
530archetype *
531archetype::get (const char *name)
532{
533 if (!name)
534 {
535 LOG (llevError, "null archetype requested\n");
536 name = "(null)";
537 }
538
539 archetype *at = find (name);
540
541 if (!at)
542 {
543 archetypes.push_back (at = new archetype);
544 at->name = at->clone.name = at->clone.name_pl = name;
545 at->hash_add ();
546 }
547
548 return at;
549}
550
551/*
552 * Adds an archetype to the hashtable.
553 */
554void
555archetype::hash_add ()
556{
557 ht.insert (std::make_pair (name, this));
558}
559
560void
561archetype::hash_del ()
562{
563 ht.erase (name);
564} 596}
565 597
566/* 598/*
567 * Returns the first archetype using the given type. 599 * Returns the first archetype using the given type.
568 * Used in treasure-generation. 600 * Used in treasure-generation.
569 */ 601 */
570archetype * 602static archetype *
571type_to_archetype (int type) 603type_to_archetype (int type)
572{ 604{
573 for (archetype *at = first_archetype; at; at = at->more == 0 ? at->next : at->more) 605 for_all_archetypes (at)
574 if (at->clone.type == type) 606 if (at->type == type && at->head_ () != at)
575 return at; 607 return at;
576 608
577 return 0; 609 return 0;
578} 610}
579 611
583 * Used in treasure-generation. 615 * Used in treasure-generation.
584 */ 616 */
585object * 617object *
586clone_arch (int type) 618clone_arch (int type)
587{ 619{
588 archetype *at; 620 archetype *at = type_to_archetype (type);
589 621
590 if ((at = type_to_archetype (type)) == NULL) 622 if (!at)
591 { 623 {
592 LOG (llevError, "Can't clone archetype %d\n", type); 624 LOG (llevError, "Can't clone archetype %d\n", type);
593 return 0; 625 return 0;
594 } 626 }
595 627
596 object *op = at->clone.clone (); 628 return at->instance ();
597 op->instantiate ();
598 return op;
599} 629}
600 630
601/* 631/*
602 * member: make instance from class 632 * member: make instance from class
603 */ 633 */
604
605object * 634object *
606object_create_arch (archetype *at) 635object_create_arch (archetype *at)
607{ 636{
608 object *op, *prev = 0, *head = 0; 637 object *op, *prev = 0, *head = 0;
609 638
610 while (at) 639 while (at)
611 { 640 {
612 op = arch_to_object (at); 641 op = at->instance ();
642
613 op->x = at->clone.x; 643 op->x = at->x;
614 op->y = at->clone.y; 644 op->y = at->y;
615 645
616 if (head) 646 if (head)
617 op->head = head, prev->more = op; 647 op->head = head, prev->more = op;
618 648
619 if (!head) 649 if (!head)
620 head = op; 650 head = op;
621 651
622 prev = op; 652 prev = op;
623 at = at->more; 653 at = (archetype *)at->more;
624 } 654 }
625 655
626 return (head); 656 return head;
627} 657}
628 658
659//-GPL
660

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