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Comparing deliantra/server/common/arch.C (file contents):
Revision 1.14 by root, Fri Sep 8 17:14:07 2006 UTC vs.
Revision 1.67 by root, Sat Jun 9 21:16:12 2007 UTC

1/* 1/*
2 * static char *rcsid_arch_c = 2 * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game.
3 * "$Id: arch.C,v 1.14 2006/09/08 17:14:07 root Exp $"; 3 *
4 */ 4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5
6/*
7 CrossFire, A Multiplayer game for X-windows
8
9 Copyright (C) 2002 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
10 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
11 7 *
12 This program is free software; you can redistribute it and/or modify 8 * Crossfire TRT is free software; you can redistribute it and/or modify it
13 it under the terms of the GNU General Public License as published by 9 * under the terms of the GNU General Public License as published by the Free
14 the Free Software Foundation; either version 2 of the License, or 10 * Software Foundation; either version 2 of the License, or (at your option)
15 (at your option) any later version. 11 * any later version.
16 12 *
17 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, but
18 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
20 GNU General Public License for more details. 16 * for more details.
21 17 *
22 You should have received a copy of the GNU General Public License 18 * You should have received a copy of the GNU General Public License along
23 along with this program; if not, write to the Free Software 19 * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51
24 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 21 *
26 The authors can be reached via e-mail at crossfire-devel@real-time.com 22 * The authors can be reached via e-mail to <crossfire@schmorp.de>
27*/ 23 */
28 24
29#include <cassert> 25#include <cassert>
30 26
31#include <tr1/unordered_map>
32
33#include <global.h> 27#include <global.h>
34#include <arch.h>
35#include <funcpoint.h> 28#include <funcpoint.h>
36#include <loader.h> 29#include <loader.h>
37 30
38/* IF set, does a little timing on the archetype load. */ 31#include <tr1/functional>
39#define TIME_ARCH_LOAD 0 32#include <tr1/unordered_map>
40
41static void add_arch (archetype * at);
42
43static archetype *arch_table[ARCHTABLE];
44int arch_cmp = 0; /* How many strcmp's */
45int arch_search = 0; /* How many searches */
46int arch_init; /* True if doing arch initialization */
47 33
48/* The naming of these functions is really poor - they are all 34/* The naming of these functions is really poor - they are all
49 * pretty much named '.._arch_...', but they may more may not 35 * pretty much named '.._arch_...', but they may more may not
50 * return archetypes. Some make the arch_to_object call, and thus 36 * return archetypes. Some make the arch_to_object call, and thus
51 * return an object. Perhaps those should be called 'archob' functions 37 * return an object. Perhaps those should be called 'archob' functions
52 * to denote they return an object derived from the archetype. 38 * to denote they return an object derived from the archetype.
53 * MSW 2003-04-29 39 * MSW 2003-04-29
54 */ 40 */
55 41
56#if USE_UNORDERED_MAP 42bool loading_arch; // ugly flag to object laoder etc. to suppress/request special processing
43
57// the hashtable 44// the hashtable
58typedef std::tr1::unordered_map<size_t, archetype *> HT; 45typedef std::tr1::unordered_map
46 <
47 const char *,
48 arch_ptr,
49 str_hash,
50 str_equal,
51 slice_allocator< std::pair<const char *const, arch_ptr> >
52 > HT;
59 53
60static HT ht; 54static HT ht (5000);
61#endif 55archvec archetypes;
62 56
63/** 57/**
64 * GROS - This function retrieves an archetype given the name that appears 58 * GROS - This function retrieves an archetype given the name that appears
65 * during the game (for example, "writing pen" instead of "stylus"). 59 * during the game (for example, "writing pen" instead of "stylus").
66 * It does not use the hashtable system, but browse the whole archlist each time. 60 * It does not use the hashtable system, but browse the whole archlist each time.
72 * - the archetype found or null if nothing was found. 66 * - the archetype found or null if nothing was found.
73 */ 67 */
74archetype * 68archetype *
75find_archetype_by_object_name (const char *name) 69find_archetype_by_object_name (const char *name)
76{ 70{
77 archetype *at; 71 shstr_cmp name_cmp (name);
78 72
79 if (name == NULL) 73 for_all_archetypes (at)
80 return (archetype *) NULL; 74 if (at->name == name_cmp)
81
82 for (at = first_archetype; at != NULL; at = at->next)
83 {
84 if (!strcmp (at->clone.name, name))
85 return at; 75 return at;
86 } 76
87 return NULL; 77 return 0;
88} 78}
89 79
90/** 80/**
91 * This function retrieves an archetype by type and name that appears during 81 * This function retrieves an archetype by type and name that appears during
92 * the game. It is basically the same as find_archetype_by_object_name() 82 * the game. It is basically the same as find_archetype_by_object_name()
93 * except that it considers only items of the given type. 83 * except that it considers only items of the given type.
94 */ 84 */
95archetype * 85archetype *
96find_archetype_by_object_type_name (int type, const char *name) 86find_archetype_by_object_type_name (int type, const char *name)
97{ 87{
98 archetype *at; 88 shstr_cmp name_cmp (name);
99 89
100 if (name == NULL) 90 for_all_archetypes (at)
101 return NULL; 91 if (at->name == name_cmp && at->type == type)
102
103 for (at = first_archetype; at != NULL; at = at->next)
104 {
105 if (at->clone.type == type && strcmp (at->clone.name, name) == 0)
106 return at; 92 return at;
107 }
108 93
109 return NULL; 94 return 0;
110} 95}
111 96
112/* This is a lot like the above function. Instead, we are trying to match 97/* This is a lot like the above function. Instead, we are trying to match
113 * the arch->skill values. type is the type of object to match 98 * the arch->skill values. type is the type of object to match
114 * against (eg, to only match against skills or only skill objects for example). 99 * against (eg, to only match against skills or only skill objects for example).
115 * If type is -1, ew don't match on type. 100 * If type is -1, ew don't match on type.
116 */ 101 */
117object * 102object *
118get_archetype_by_skill_name (const char *skill, int type) 103get_archetype_by_skill_name (const char *skill, int type)
119{ 104{
120 archetype * 105 shstr_cmp skill_cmp (skill);
121 at;
122 106
123 if (skill == NULL) 107 for_all_archetypes (at)
124 return NULL; 108 if (at->skill == skill_cmp && (type == -1 || type == at->type))
125
126 for (at = first_archetype; at != NULL; at = at->next)
127 {
128 if (((type == -1) || (type == at->clone.type)) && (!strcmp (at->clone.skill, skill)))
129 return arch_to_object (at); 109 return arch_to_object (at);
130 } 110
131 return NULL; 111 return 0;
132} 112}
133 113
134/* similiar to above - this returns the first archetype 114/* similiar to above - this returns the first archetype
135 * that matches both the type and subtype. type and subtype 115 * that matches both the type and subtype. type and subtype
136 * can be -1 to say ignore, but in this case, the match it does 116 * can be -1 to say ignore, but in this case, the match it does
139 * (eg, skills) 119 * (eg, skills)
140 */ 120 */
141archetype * 121archetype *
142get_archetype_by_type_subtype (int type, int subtype) 122get_archetype_by_type_subtype (int type, int subtype)
143{ 123{
144 archetype * 124 for_all_archetypes (at)
145 at;
146
147 for (at = first_archetype; at != NULL; at = at->next)
148 {
149 if (((type == -1) || (type == at->clone.type)) && (subtype == -1 || subtype == at->clone.subtype)) 125 if ((type == -1 || type == at->type) && (subtype == -1 || subtype == at->subtype))
150 return at; 126 return at;
151 } 127
152 return NULL; 128 return 0;
153} 129}
154 130
155/** 131/**
156 * GROS - this returns a new object given the name that appears during the game 132 * GROS - this returns a new object given the name that appears during the game
157 * (for example, "writing pen" instead of "stylus"). 133 * (for example, "writing pen" instead of "stylus").
165 * but it otherwise had a big memory leak. 141 * but it otherwise had a big memory leak.
166 */ 142 */
167object * 143object *
168get_archetype_by_object_name (const char *name) 144get_archetype_by_object_name (const char *name)
169{ 145{
170 archetype *
171 at;
172 char
173 tmpname[MAX_BUF]; 146 char tmpname[MAX_BUF];
174 int 147 int i;
175 i;
176 148
177 strncpy (tmpname, name, MAX_BUF - 1); 149 assign (tmpname, name);
178 tmpname[MAX_BUF - 1] = 0; 150
179 for (i = strlen (tmpname); i > 0; i--) 151 for (i = strlen (tmpname); i > 0; i--)
180 { 152 {
181 tmpname[i] = 0; 153 tmpname[i] = 0;
154
182 at = find_archetype_by_object_name (tmpname); 155 if (archetype *at = find_archetype_by_object_name (tmpname))
183 if (at != NULL)
184 {
185 return arch_to_object (at); 156 return arch_to_object (at);
186 }
187 } 157 }
158
188 return create_singularity (name); 159 return create_singularity (name);
189} 160}
190 161
191 /* This is a subset of the parse_id command. Basically, name can be 162/* This is a subset of the parse_id command. Basically, name can be
192 * a string seperated lists of things to match, with certain keywords. 163 * a string seperated lists of things to match, with certain keywords.
193 * pl is the player (only needed to set count properly) 164 * pl is the player (only needed to set count properly)
194 * op is the item we are trying to match. Calling function takes care 165 * op is the item we are trying to match. Calling function takes care
195 * of what action might need to be done and if it is valid 166 * of what action might need to be done and if it is valid
196 * (pickup, drop, etc.) Return NONZERO if we have a match. A higher 167 * (pickup, drop, etc.) Return NONZERO if we have a match. A higher
197 * value means a better match. 0 means no match. 168 * value means a better match. 0 means no match.
198 * 169 *
199 * Brief outline of the procedure: 170 * Brief outline of the procedure:
200 * We take apart the name variable into the individual components. 171 * We take apart the name variable into the individual components.
201 * cases for 'all' and unpaid are pretty obvious. 172 * cases for 'all' and unpaid are pretty obvious.
202 * Next, we check for a count (either specified in name, or in the 173 * Next, we check for a count (either specified in name, or in the
203 * player object.) 174 * player object.)
204 * If count is 1, make a quick check on the name. 175 * If count is 1, make a quick check on the name.
205 * IF count is >1, we need to make plural name. Return if match. 176 * IF count is >1, we need to make plural name. Return if match.
206 * Last, make a check on the full name. 177 * Last, make a check on the full name.
207 */ 178 */
208int 179int
209item_matched_string (object * pl, object * op, const char *name) 180item_matched_string (object *pl, object *op, const char *name)
210{ 181{
211 char *
212 cp,
213 local_name[MAX_BUF]; 182 char *cp, local_name[MAX_BUF];
214 int 183 int count, retval = 0;
215 count, 184
216 retval = 0;
217 strcpy (local_name, name); /* strtok is destructive to name */ 185 assign (local_name, name); /* strtok is destructive to name */
218 186
219 for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ",")) 187 for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))
220 { 188 {
221 while (cp[0] == ' ') 189 while (cp[0] == ' ')
222 ++cp; /* get rid of spaces */ 190 ++cp; /* get rid of spaces */
272 retval = 15; 240 retval = 15;
273 else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp))) 241 else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp)))
274 retval = 14; 242 retval = 14;
275 else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp))) 243 else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp)))
276 retval = 14; 244 retval = 14;
277
278 /* Do substring checks, so things like 'Str+1' will match. 245 /* Do substring checks, so things like 'Str+1' will match.
279 * retval of these should perhaps be lower - they are lower 246 * retval of these should perhaps be lower - they are lower
280 * then the specific strcasecmp aboves, but still higher than 247 * then the specific strcasecmp aboves, but still higher than
281 * some other match criteria. 248 * some other match criteria.
282 */ 249 */
284 retval = 12; 251 retval = 12;
285 else if (strstr (query_base_name (op, 0), cp)) 252 else if (strstr (query_base_name (op, 0), cp))
286 retval = 12; 253 retval = 12;
287 else if (strstr (query_short_name (op), cp)) 254 else if (strstr (query_short_name (op), cp))
288 retval = 12; 255 retval = 12;
289
290 /* Check against plural/non plural based on count. */ 256 /* Check against plural/non plural based on count. */
291 else if (count > 1 && !strcasecmp (cp, op->name_pl)) 257 else if (count > 1 && !strcasecmp (cp, op->name_pl))
292 {
293 retval = 6; 258 retval = 6;
294 }
295 else if (count == 1 && !strcasecmp (op->name, cp)) 259 else if (count == 1 && !strcasecmp (op->name, cp))
296 {
297 retval = 6; 260 retval = 6;
298 }
299 /* base name matched - not bad */ 261 /* base name matched - not bad */
300 else if (strcasecmp (cp, op->name) == 0 && !count) 262 else if (strcasecmp (cp, op->name) == 0 && !count)
301 retval = 4; 263 retval = 4;
302 /* Check for partial custom name, but give a real low priority */ 264 /* Check for partial custom name, but give a real low priority */
303 else if (op->custom_name && strstr (op->custom_name, cp)) 265 else if (op->custom_name && strstr (op->custom_name, cp))
305 267
306 if (retval) 268 if (retval)
307 { 269 {
308 if (pl->type == PLAYER) 270 if (pl->type == PLAYER)
309 pl->contr->count = count; 271 pl->contr->count = count;
272
310 return retval; 273 return retval;
311 } 274 }
312 } 275 }
276
313 return 0; 277 return 0;
314} 278}
315 279
316/* 280archetype::archetype (const char *name)
317 * Initialises the internal linked list of archetypes (read from file). 281{
318 * Then the global "empty_archetype" pointer is initialised. 282 stub = true;
319 * Then the blocksview[] array is initialised. 283 arch = this;
320 */ 284 this->archname = this->name = this->name_pl = name;
285}
286
287archetype::~archetype ()
288{
289 unlink ();
290}
321 291
322void 292void
323init_archetypes (void) 293archetype::link ()
324{ /* called from add_player() and edit() */ 294{
325 if (first_archetype != NULL) /* Only do this once */ 295 ht.insert (std::make_pair (archname, this));
326 return;
327 arch_init = 1;
328 load_archetypes ();
329 arch_init = 0;
330 empty_archetype = find_archetype ("empty_archetype");
331/* init_blocksview();*/
332}
333 296
334/* 297 if (!archetypes.contains (this))
335 * Stores debug-information about how efficient the hashtable 298 archetypes.insert (this);
336 * used for archetypes has been in the static errmsg array. 299}
337 */
338 300
339void 301void
340arch_info (object * op) 302archetype::unlink ()
341{ 303{
342 sprintf (errmsg, "%d searches and %d strcmp()'s", arch_search, arch_cmp); 304 ht.erase (archname);
343 new_draw_info (NDI_BLACK, 0, op, errmsg); 305 if (!strcmp (&archname, "Gaea")) fprintf (stderr, "oI\n");//D
306 if (archetypes.contains (this))
307 archetypes.erase (this);
344} 308}
345 309
346/* 310/*
347 * Initialise the hashtable used by the archetypes. 311 * Finds, using the hashtable, which archetype matches the given name.
312 * returns a pointer to the found archetype, otherwise NULL.
348 */ 313 */
314archetype *
315archetype::find (const char *name)
316{
317 if (!name)
318 return 0;
349 319
320 auto (i, ht.find (name));
321
322 if (i == ht.end ())
323 return 0;
324 else
325 return i->second;
326}
327
328archetype *
329archetype::get (const char *name)
330{
331 if (!name)
332 {
333 LOG (llevError, "null archetype requested\n");
334 name = "(null)";
335 }
336
337 archetype *at = find (name);
338
339 if (!at)
340 {
341 at = new archetype (name);
342 at->link ();
343 }
344
345 return at;
346}
347
348archetype *
349archetype::read (object_thawer &f)
350{
351 assert (f.kw == KW_object);
352
353 loading_arch = true; // hack to tell parse_kv et al. to behave
354
355 std::vector<archetype *> parts;
356
357 coroapi::cede_to_tick_every (10);
358
359 for (;;)
360 {
361 // the archetype might have been referenced earlier
362 // so try to find an existing stub archetype first
363 archetype *at = find (f.get_str ());
364
365 if (!at || !at->stub)
366 at = new archetype (f.get_str ());
367
368 f.next ();
369
370#if 0
371 // implementing it here in the server does neither allow multiple inheritence
372 // nor does it cleanly "just override". it would allow use in map files, though,
373 // and other resource files dynamically laoded (as opposed to being preprocessed).
374 // not that any of this is relevant as of yet...
375 if (f.kw == KW_inherit)
376 {
377 if (archetype *at = find (f.get_str ()))
378 *op = at->clone;
379 else
380 LOG (llevError, "archetype '%s' tries to inherit from non-existent archetype '%s'.\n",
381 &at->archname, f.get_str ());
382
383 f.next ();
384 }
385#endif
386
387 if (!at->parse_kv (f))
388 goto fail;
389
390 at->post_load_check ();
391
392 parts.push_back (at);
393
394 if (f.kw != KW_more)
395 break;
396
397 f.next ();
398
399 if (f.kw != KW_object)
400 {
401 f.parse_error ("more object");
402 goto fail;
403 }
404 }
405
406 loading_arch = false;
407
408 {
409 auto (at, parts.begin ());
410
411 archetype *new_head = parts.front ();
412 archetype *old_head = find (new_head->archname);
413
414 if (old_head && !old_head->is_head ())
415 {
416 LOG (llevError, "%s: unable to overwrite non-head archetype '%s' with head archetype, skipping.\n",
417 &new_head->archname, &old_head->archname);
418 goto fail;
419 }
420
421 // check that all archetypes belong to the same old object or are new
422 for (auto (at, parts.begin ()); at != parts.end (); ++at)
423 {
424 archetype *new_part = *at;
425 archetype *old_part = find (new_part->archname);
426
427 if (old_part && old_part->head_ () != old_head)
428 {
429 LOG (llevError, "%s: unable to overwrite archetype '%s' with archetype of different object, skipping.\n",
430 &new_part->archname, &((archetype *)old_part->head_ ())->archname);
431 goto fail;
432 }
433 }
434
435 // deactivate existing archetype
436 for (archetype *at = old_head; at; at = (archetype *)at->more)
437 at->unlink ();
438
439 // assemble new chain
440 new_head->min_x = new_head->max_x = new_head->x;
441 new_head->min_y = new_head->max_y = new_head->y;
442
443 archetype *less = new_head;
444 for (auto (p, parts.begin () + 1); p != parts.end (); ++p)
445 {
446 archetype *at = *p;
447
448 // some flags get inherited formt he head (probably a lot more)
449 // doing it here doesn't feel too cozy, but it allows code
450 // to ignore head checks for these flags, which saves time
451 at->flag [FLAG_ALIVE] = new_head->flag [FLAG_ALIVE];
452 at->flag [FLAG_NO_PICK] = new_head->flag [FLAG_NO_PICK];
453 at->flag [FLAG_MONSTER] = new_head->flag [FLAG_MONSTER];
454 at->flag [FLAG_IS_FLOOR] = new_head->flag [FLAG_IS_FLOOR];
455
456 if (at->x < new_head->min_x) new_head->min_x = at->x;
457 if (at->y < new_head->min_y) new_head->min_y = at->y;
458 if (at->x > new_head->max_x) new_head->max_x = at->x;
459 if (at->y > new_head->max_y) new_head->max_y = at->y;
460
461 at->head = new_head;
462 less->more = at;
463 less = at;
464 }
465
466 // now activate it
467 for (auto (p, parts.begin ()); p != parts.end (); ++p)
468 {
469 archetype *at = *p;
470 at->stub = false;
471 at->link ();
472 }
473
474 return new_head;
475 }
476
477fail:
478 for (auto (p, parts.begin ()); p != parts.end (); ++p)
479 (*p)->destroy (true);
480
481 loading_arch = false;
482 return 0;
483}
484
485/*
486 * Initialize global archtype pointers:
487 */
350void 488void
351clear_archetable (void) 489init_archetype_pointers ()
352{ 490{
353 memset ((void *) arch_table, 0, ARCHTABLE * sizeof (archetype *)); 491 ring_arch = archetype::find ("ring");
354} 492 amulet_arch = archetype::find ("amulet");
355 493 staff_arch = archetype::find ("staff");
356/* 494 crown_arch = archetype::find ("crown");
357 * An alternative way to init the hashtable which is slower, but _works_... 495 empty_archetype = archetype::find ("empty_archetype");
358 */
359
360void
361init_archetable (void)
362{
363 archetype *at;
364
365 LOG (llevDebug, " Setting up archetable...\n");
366
367 for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
368 add_arch (at);
369
370 LOG (llevDebug, "done\n");
371}
372
373/*
374 * Dumps an archetype to debug-level output.
375 */
376
377void
378dump_arch (archetype * at)
379{
380 dump_object (&at->clone);
381}
382
383/*
384 * Dumps _all_ archetypes to debug-level output.
385 * If you run crossfire with debug, and enter DM-mode, you can trigger
386 * this with the O key.
387 */
388
389void
390dump_all_archetypes (void)
391{
392 archetype *
393 at;
394 for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
395 {
396 dump_arch (at);
397 fprintf (logfile, "%s\n", errmsg);
398 }
399}
400
401void
402free_all_archs (void)
403{
404 archetype *
405 at, *
406 next;
407 int
408 i = 0, f = 0;
409
410 for (at = first_archetype; at != NULL; at = next)
411 {
412 if (at->more)
413 next = at->more;
414 else
415 next = at->next;
416
417 delete
418 at;
419 i++;
420 }
421 LOG (llevDebug, "Freed %d archetypes, %d faces\n", i, f);
422}
423
424archetype::archetype ()
425{
426 clear_object (&clone); /* to initial state other also */
427 CLEAR_FLAG (&clone, FLAG_FREED); /* This shouldn't matter, since copy_object() */
428 SET_FLAG (&clone, FLAG_REMOVED); /* doesn't copy these flags... */
429}
430
431archetype::~archetype ()
432{
433}
434
435/*
436 * Reads/parses the archetype-file, and copies into a linked list
437 * of archetype-structures.
438 */
439void
440first_arch_pass (object_thawer & fp)
441{
442 archetype *at, *head = NULL, *last_more = NULL;
443
444 at->clone.arch = first_archetype = at = new archetype;
445
446 while (int i = load_object (fp, &at->clone, 0))
447 {
448 at->clone.speed_left = (float) (-0.1);
449 /* copy the body_info to the body_used - this is only really
450 * need for monsters, but doesn't hurt to do it for everything.
451 * by doing so, when a monster is created, it has good starting
452 * values for the body_used info, so when items are created
453 * for it, they can be properly equipped.
454 */
455 memcpy (&at->clone.body_used, &at->clone.body_info, sizeof (at->clone.body_info));
456
457 switch (i)
458 {
459 case LL_NORMAL: /* A new archetype, just link it with the previous */
460 if (last_more != NULL)
461 last_more->next = at;
462 if (head != NULL)
463 head->next = at;
464 head = last_more = at;
465#if 0
466 if (!op->type)
467 LOG (llevDebug, " WARNING: Archetype %s has no type info!\n", op->arch->name);
468#endif
469 at->tail_x = 0;
470 at->tail_y = 0;
471 break;
472
473 case LL_MORE: /* Another part of the previous archetype, link it correctly */
474
475 at->head = head;
476 at->clone.head = &head->clone;
477 if (last_more != NULL)
478 {
479 last_more->more = at;
480 last_more->clone.more = &at->clone;
481 }
482 last_more = at;
483
484 /* If this multipart image is still composed of individual small
485 * images, don't set the tail_.. values. We can't use them anyways,
486 * and setting these to zero makes the map sending to the client much
487 * easier as just looking at the head, we know what to do.
488 */
489 if (at->clone.face != head->clone.face)
490 {
491 head->tail_x = 0;
492 head->tail_y = 0;
493 }
494 else
495 {
496 if (at->clone.x > head->tail_x)
497 head->tail_x = at->clone.x;
498 if (at->clone.y > head->tail_y)
499 head->tail_y = at->clone.y;
500 }
501 break;
502
503 }
504
505 at = new archetype;
506 at->clone.arch = at;
507 }
508
509 delete at;
510}
511
512/*
513 * Reads the archetype file once more, and links all pointers between
514 * archetypes.
515 */
516
517void
518second_arch_pass (object_thawer & thawer)
519{
520 char buf[MAX_BUF], *variable = buf, *argument, *cp;
521 archetype *at = NULL, *other;
522
523 while (fgets (buf, MAX_BUF, thawer) != NULL)
524 {
525 if (*buf == '#')
526 continue;
527 if ((argument = strchr (buf, ' ')) != NULL)
528 {
529 *argument = '\0', argument++;
530 cp = argument + strlen (argument) - 1;
531 while (isspace (*cp))
532 {
533 *cp = '\0';
534 cp--;
535 }
536 }
537 if (!strcmp ("Object", variable))
538 {
539 if ((at = find_archetype (argument)) == NULL)
540 LOG (llevError, "Warning: failed to find arch %s\n", argument);
541 }
542 else if (!strcmp ("other_arch", variable))
543 {
544 if (at != NULL && at->clone.other_arch == NULL)
545 {
546 if ((other = find_archetype (argument)) == NULL)
547 LOG (llevError, "Warning: failed to find other_arch %s\n", argument);
548 else if (at != NULL)
549 at->clone.other_arch = other;
550 }
551 }
552 else if (!strcmp ("randomitems", variable))
553 {
554 if (at != NULL)
555 {
556 treasurelist *
557 tl = find_treasurelist (argument);
558 if (tl == NULL)
559 LOG (llevError, "Failed to link treasure to arch (%s): %s\n", &at->name, argument);
560 else
561 at->clone.randomitems = tl;
562 }
563 }
564 }
565}
566
567#ifdef DEBUG
568void
569check_generators (void)
570{
571 archetype *
572 at;
573 for (at = first_archetype; at != NULL; at = at->next)
574 if (QUERY_FLAG (&at->clone, FLAG_GENERATOR) && at->clone.other_arch == NULL)
575 LOG (llevError, "Warning: %s is generator but lacks other_arch.\n", &at->name);
576}
577#endif
578
579/*
580 * First initialises the archtype hash-table (init_archetable()).
581 * Reads and parses the archetype file (with the first and second-pass
582 * functions).
583 * Then initialises treasures by calling load_treasures().
584 */
585
586void
587load_archetypes (void)
588{
589 char
590 filename[MAX_BUF];
591#if TIME_ARCH_LOAD
592 struct timeval
593 tv1,
594 tv2;
595#endif
596
597 sprintf (filename, "%s/%s", settings.datadir, settings.archetypes);
598 LOG (llevDebug, "Reading archetypes from %s:\n", filename);
599
600 {
601 object_thawer
602 thawer (filename);
603
604 clear_archetable ();
605 LOG (llevDebug, " arch-pass 1...\n");
606 first_arch_pass (thawer);
607 LOG (llevDebug, " done\n");
608 }
609
610 init_archetable ();
611 warn_archetypes = 1;
612
613 {
614 object_thawer
615 thawer (filename);
616
617 LOG (llevDebug, " loading treasure...\n");
618 load_treasures ();
619 LOG (llevDebug, " done\n arch-pass 2...\n");
620 second_arch_pass (thawer);
621 LOG (llevDebug, " done\n");
622#ifdef DEBUG
623 check_generators ();
624#endif
625 }
626 LOG (llevDebug, " done\n");
627} 496}
628 497
629/* 498/*
630 * Creates and returns a new object which is a copy of the given archetype. 499 * Creates and returns a new object which is a copy of the given archetype.
631 * This function returns NULL on failure. 500 * This function returns NULL on failure.
632 */ 501 */
633
634object * 502object *
635arch_to_object (archetype * at) 503arch_to_object (archetype *at)
636{ 504{
637 object * 505 if (!at)
638 op;
639 if (at == NULL)
640 { 506 {
641 if (warn_archetypes)
642 LOG (llevError, "Couldn't find archetype.\n"); 507 LOG (llevError, "Couldn't find archetype.\n");
643 return NULL; 508 return 0;
644 } 509 }
645 op = get_object (); 510
646 copy_object (&at->clone, op); 511 object *op = at->clone ();
512 op->arch = at;
647 op->instantiate (); 513 op->instantiate ();
648 op->arch = at; 514
649 return op; 515 return op;
650} 516}
651 517
652/* 518/*
653 * Creates an object. This function is called by get_archetype() 519 * Creates an object. This function is called by get_archetype()
654 * if it fails to find the appropriate archetype. 520 * if it fails to find the appropriate archetype.
655 * Thus get_archetype() will be guaranteed to always return 521 * Thus get_archetype() will be guaranteed to always return
656 * an object, and never NULL. 522 * an object, and never NULL.
657 */ 523 */
658
659object * 524object *
660create_singularity (const char *name) 525create_singularity (const char *name)
661{ 526{
662 object *op; 527 LOG (llevError | logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
528
529 if (!strcmp (name, "bug"))
530 abort ();
531
663 char buf[MAX_BUF]; 532 char buf[MAX_BUF];
664 sprintf (buf, "%s (%s)", ARCH_SINGULARITY, name); 533 sprintf (buf, "bug, please report (%s)", name);
665 op = get_object (); 534
535 object *op = get_archetype ("bug");
666 op->name = op->name_pl = buf; 536 op->name = op->name_pl = buf;
667 SET_FLAG (op, FLAG_NO_PICK); 537
668 return op; 538 return op;
669} 539}
670 540
671/* 541/*
672 * Finds which archetype matches the given name, and returns a new 542 * Finds which archetype matches the given name, and returns a new
673 * object containing a copy of the archetype. 543 * object containing a copy of the archetype.
674 */ 544 */
675
676object * 545object *
677get_archetype (const char *name) 546get_archetype (const char *name)
678{ 547{
679 archetype *at; 548 archetype *at = archetype::find (name);
680 at = find_archetype (name); 549
681 if (at == NULL) 550 if (!at)
682 return create_singularity (name); 551 return create_singularity (name);
552
683 return arch_to_object (at); 553 return arch_to_object (at);
684}
685
686/*
687 * Hash-function used by the arch-hashtable.
688 */
689
690unsigned long
691hasharch (const char *str, int tablesize)
692{
693 unsigned long hash = 0;
694 unsigned int i = 0;
695 const char *p;
696
697 /* use the one-at-a-time hash function, which supposedly is
698 * better than the djb2-like one used by perl5.005, but
699 * certainly is better then the bug used here before.
700 * see http://burtleburtle.net/bob/hash/doobs.html
701 */
702 for (p = str; i < MAXSTRING && *p; p++, i++)
703 {
704 hash += *p;
705 hash += hash << 10;
706 hash ^= hash >> 6;
707 }
708
709 hash += hash << 3;
710 hash ^= hash >> 11;
711 hash += hash << 15;
712
713 return hash % tablesize;
714}
715
716/*
717 * Finds, using the hashtable, which archetype matches the given name.
718 * returns a pointer to the found archetype, otherwise NULL.
719 */
720
721archetype *
722find_archetype (const char *name)
723{
724#if USE_UNORDERED_MAP
725 name = shstr::find (name);
726
727 if (!name)
728 return 0;
729
730 HT::const_iterator i = ht.find ((size_t)name);
731
732 if (i == ht.end ())
733 return 0;
734 else
735 return i->second;
736#endif
737
738 archetype *at;
739 unsigned long index;
740
741 if (name == NULL)
742 return (archetype *) NULL;
743
744 index = hasharch (name, ARCHTABLE);
745 arch_search++;
746 for (;;)
747 {
748 at = arch_table[index];
749 if (at == NULL)
750 {
751 if (warn_archetypes)
752 LOG (llevError, "Couldn't find archetype %s\n", name);
753 return NULL;
754 }
755 arch_cmp++;
756 if (!strcmp ((const char *) at->name, name))
757 return at;
758 if (++index >= ARCHTABLE)
759 index = 0;
760 }
761}
762
763/*
764 * Adds an archetype to the hashtable.
765 */
766
767static void
768add_arch (archetype *at)
769{
770#if USE_UNORDERED_MAP
771 ht.insert (std::make_pair ((size_t)(const char *)at->name, at));
772#endif
773
774 int index = hasharch ((const char *) at->name, ARCHTABLE), org_index = index;
775
776 for (;;)
777 {
778 if (arch_table[index] == NULL)
779 {
780 arch_table[index] = at;
781 return;
782 }
783
784 if (++index == ARCHTABLE)
785 index = 0;
786
787 if (index == org_index)
788 fatal (ARCHTABLE_TOO_SMALL);
789 }
790} 554}
791 555
792/* 556/*
793 * Returns the first archetype using the given type. 557 * Returns the first archetype using the given type.
794 * Used in treasure-generation. 558 * Used in treasure-generation.
795 */ 559 */
796
797archetype * 560archetype *
798type_to_archetype (int type) 561type_to_archetype (int type)
799{ 562{
800 archetype * 563 for_all_archetypes (at)
801 at; 564 if (at->type == type && at->head_ () != at)
802
803 for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
804 if (at->clone.type == type)
805 return at; 565 return at;
566
806 return NULL; 567 return 0;
807} 568}
808 569
809/* 570/*
810 * Returns a new object copied from the first archetype matching 571 * Returns a new object copied from the first archetype matching
811 * the given type. 572 * the given type.
812 * Used in treasure-generation. 573 * Used in treasure-generation.
813 */ 574 */
814
815object * 575object *
816clone_arch (int type) 576clone_arch (int type)
817{ 577{
818 archetype * 578 archetype *at;
819 at;
820 object *
821 op = get_object ();
822 579
823 if ((at = type_to_archetype (type)) == NULL) 580 if ((at = type_to_archetype (type)) == NULL)
824 { 581 {
825 LOG (llevError, "Can't clone archetype %d\n", type); 582 LOG (llevError, "Can't clone archetype %d\n", type);
826 free_object (op);
827 return NULL; 583 return 0;
828 } 584 }
829 copy_object (&at->clone, op); 585
586 object *op = at->clone ();
830 op->instantiate (); 587 op->instantiate ();
831 return op; 588 return op;
832} 589}
833 590
834/* 591/*
835 * member: make instance from class 592 * member: make instance from class
836 */ 593 */
837
838object * 594object *
839object_create_arch (archetype * at) 595object_create_arch (archetype *at)
840{ 596{
841 object * 597 object *op, *prev = 0, *head = 0;
842 op, *
843 prev = NULL, *head = NULL;
844 598
845 while (at) 599 while (at)
846 { 600 {
847 op = arch_to_object (at); 601 op = arch_to_object (at);
602
848 op->x = at->clone.x; 603 op->x = at->x;
849 op->y = at->clone.y; 604 op->y = at->y;
605
850 if (head) 606 if (head)
851 op->head = head, prev->more = op; 607 op->head = head, prev->more = op;
608
852 if (!head) 609 if (!head)
853 head = op; 610 head = op;
611
854 prev = op; 612 prev = op;
855 at = at->more; 613 at = (archetype *)at->more;
856 } 614 }
615
857 return (head); 616 return head;
858} 617}
859 618
860/*** end of arch.c ***/

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