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Comparing deliantra/server/common/arch.C (file contents):
Revision 1.19 by root, Thu Sep 14 18:13:01 2006 UTC vs.
Revision 1.67 by root, Sat Jun 9 21:16:12 2007 UTC

1/* 1/*
2 CrossFire, A Multiplayer game for X-windows 2 * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game.
3 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
4 Copyright (C) 2002 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
5 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
6 7 *
7 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
8 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
9 the Free Software Foundation; either version 2 of the License, or 10 * Software Foundation; either version 2 of the License, or (at your option)
10 (at your option) any later version. 11 * any later version.
11 12 *
12 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
13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 GNU General Public License for more details. 16 * for more details.
16 17 *
17 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
18 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
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 21 *
21 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>
22*/ 23 */
23 24
24#include <cassert> 25#include <cassert>
25 26
26#include <tr1/unordered_map>
27
28#include <global.h> 27#include <global.h>
29#include <arch.h>
30#include <funcpoint.h> 28#include <funcpoint.h>
31#include <loader.h> 29#include <loader.h>
32 30
33/* IF set, does a little timing on the archetype load. */ 31#include <tr1/functional>
34#define TIME_ARCH_LOAD 0 32#include <tr1/unordered_map>
35
36static void add_arch (archetype *at);
37
38static archetype *arch_table[ARCHTABLE];
39int arch_cmp = 0; /* How many strcmp's */
40int arch_search = 0; /* How many searches */
41int arch_init; /* True if doing arch initialization */
42 33
43/* The naming of these functions is really poor - they are all 34/* The naming of these functions is really poor - they are all
44 * pretty much named '.._arch_...', but they may more may not 35 * pretty much named '.._arch_...', but they may more may not
45 * return archetypes. Some make the arch_to_object call, and thus 36 * return archetypes. Some make the arch_to_object call, and thus
46 * return an object. Perhaps those should be called 'archob' functions 37 * return an object. Perhaps those should be called 'archob' functions
47 * to denote they return an object derived from the archetype. 38 * to denote they return an object derived from the archetype.
48 * MSW 2003-04-29 39 * MSW 2003-04-29
49 */ 40 */
50 41
51#if USE_UNORDERED_MAP 42bool loading_arch; // ugly flag to object laoder etc. to suppress/request special processing
43
52// the hashtable 44// the hashtable
53typedef std::tr1::unordered_map 45typedef std::tr1::unordered_map
54 < 46 <
55 std::size_t, 47 const char *,
56 archetype *, 48 arch_ptr,
57 std::hash<size_t>, 49 str_hash,
58 std::equal_to<size_t>, 50 str_equal,
59 slice_allocator< std::pair<const std::size_t, archetype *> > 51 slice_allocator< std::pair<const char *const, arch_ptr> >
60 true,
61 > HT; 52 > HT;
62 53
63static HT ht; 54static HT ht (5000);
64#endif 55archvec archetypes;
65 56
66/** 57/**
67 * GROS - This function retrieves an archetype given the name that appears 58 * GROS - This function retrieves an archetype given the name that appears
68 * during the game (for example, "writing pen" instead of "stylus"). 59 * during the game (for example, "writing pen" instead of "stylus").
69 * 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.
75 * - the archetype found or null if nothing was found. 66 * - the archetype found or null if nothing was found.
76 */ 67 */
77archetype * 68archetype *
78find_archetype_by_object_name (const char *name) 69find_archetype_by_object_name (const char *name)
79{ 70{
80 archetype * 71 shstr_cmp name_cmp (name);
81 at;
82 72
83 if (name == NULL) 73 for_all_archetypes (at)
84 return (archetype *) NULL; 74 if (at->name == name_cmp)
85
86 for (at = first_archetype; at != NULL; at = at->next)
87 {
88 if (!strcmp (at->clone.name, name))
89 return at; 75 return at;
90 } 76
91 return NULL; 77 return 0;
92} 78}
93 79
94/** 80/**
95 * 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
96 * 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()
97 * except that it considers only items of the given type. 83 * except that it considers only items of the given type.
98 */ 84 */
99archetype * 85archetype *
100find_archetype_by_object_type_name (int type, const char *name) 86find_archetype_by_object_type_name (int type, const char *name)
101{ 87{
102 archetype * 88 shstr_cmp name_cmp (name);
103 at;
104 89
105 if (name == NULL) 90 for_all_archetypes (at)
106 return NULL; 91 if (at->name == name_cmp && at->type == type)
107
108 for (at = first_archetype; at != NULL; at = at->next)
109 {
110 if (at->clone.type == type && strcmp (at->clone.name, name) == 0)
111 return at; 92 return at;
112 }
113 93
114 return NULL; 94 return 0;
115} 95}
116 96
117/* 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
118 * 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
119 * 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).
120 * If type is -1, ew don't match on type. 100 * If type is -1, ew don't match on type.
121 */ 101 */
122object * 102object *
123get_archetype_by_skill_name (const char *skill, int type) 103get_archetype_by_skill_name (const char *skill, int type)
124{ 104{
125 archetype * 105 shstr_cmp skill_cmp (skill);
126 at;
127 106
128 if (skill == NULL) 107 for_all_archetypes (at)
129 return NULL; 108 if (at->skill == skill_cmp && (type == -1 || type == at->type))
130
131 for (at = first_archetype; at != NULL; at = at->next)
132 {
133 if (((type == -1) || (type == at->clone.type)) && (!strcmp (at->clone.skill, skill)))
134 return arch_to_object (at); 109 return arch_to_object (at);
135 } 110
136 return NULL; 111 return 0;
137} 112}
138 113
139/* similiar to above - this returns the first archetype 114/* similiar to above - this returns the first archetype
140 * that matches both the type and subtype. type and subtype 115 * that matches both the type and subtype. type and subtype
141 * 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
144 * (eg, skills) 119 * (eg, skills)
145 */ 120 */
146archetype * 121archetype *
147get_archetype_by_type_subtype (int type, int subtype) 122get_archetype_by_type_subtype (int type, int subtype)
148{ 123{
149 archetype * 124 for_all_archetypes (at)
150 at;
151
152 for (at = first_archetype; at != NULL; at = at->next)
153 {
154 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))
155 return at; 126 return at;
156 } 127
157 return NULL; 128 return 0;
158} 129}
159 130
160/** 131/**
161 * 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
162 * (for example, "writing pen" instead of "stylus"). 133 * (for example, "writing pen" instead of "stylus").
170 * but it otherwise had a big memory leak. 141 * but it otherwise had a big memory leak.
171 */ 142 */
172object * 143object *
173get_archetype_by_object_name (const char *name) 144get_archetype_by_object_name (const char *name)
174{ 145{
175 archetype *at;
176 char tmpname[MAX_BUF]; 146 char tmpname[MAX_BUF];
177 int i; 147 int i;
178 148
179 assign (tmpname, name); 149 assign (tmpname, name);
180 150
181 for (i = strlen (tmpname); i > 0; i--) 151 for (i = strlen (tmpname); i > 0; i--)
182 { 152 {
183 tmpname[i] = 0; 153 tmpname[i] = 0;
154
184 at = find_archetype_by_object_name (tmpname); 155 if (archetype *at = find_archetype_by_object_name (tmpname))
185
186 if (at != NULL)
187 {
188 return arch_to_object (at); 156 return arch_to_object (at);
189 }
190 } 157 }
191 158
192 return create_singularity (name); 159 return create_singularity (name);
193} 160}
194 161
195 /* 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
196 * a string seperated lists of things to match, with certain keywords. 163 * a string seperated lists of things to match, with certain keywords.
197 * pl is the player (only needed to set count properly) 164 * pl is the player (only needed to set count properly)
198 * 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
199 * 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
200 * (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
201 * value means a better match. 0 means no match. 168 * value means a better match. 0 means no match.
202 * 169 *
203 * Brief outline of the procedure: 170 * Brief outline of the procedure:
204 * We take apart the name variable into the individual components. 171 * We take apart the name variable into the individual components.
205 * cases for 'all' and unpaid are pretty obvious. 172 * cases for 'all' and unpaid are pretty obvious.
206 * 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
207 * player object.) 174 * player object.)
208 * If count is 1, make a quick check on the name. 175 * If count is 1, make a quick check on the name.
209 * 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.
210 * Last, make a check on the full name. 177 * Last, make a check on the full name.
211 */ 178 */
212int 179int
213item_matched_string (object *pl, object *op, const char *name) 180item_matched_string (object *pl, object *op, const char *name)
214{ 181{
215 char *
216 cp,
217 local_name[MAX_BUF]; 182 char *cp, local_name[MAX_BUF];
218 int 183 int count, retval = 0;
219 count,
220 retval = 0;
221 184
222 strcpy (local_name, name); /* strtok is destructive to name */ 185 assign (local_name, name); /* strtok is destructive to name */
223 186
224 for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ",")) 187 for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))
225 { 188 {
226 while (cp[0] == ' ') 189 while (cp[0] == ' ')
227 ++cp; /* get rid of spaces */ 190 ++cp; /* get rid of spaces */
277 retval = 15; 240 retval = 15;
278 else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp))) 241 else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp)))
279 retval = 14; 242 retval = 14;
280 else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp))) 243 else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp)))
281 retval = 14; 244 retval = 14;
282
283 /* Do substring checks, so things like 'Str+1' will match. 245 /* Do substring checks, so things like 'Str+1' will match.
284 * retval of these should perhaps be lower - they are lower 246 * retval of these should perhaps be lower - they are lower
285 * then the specific strcasecmp aboves, but still higher than 247 * then the specific strcasecmp aboves, but still higher than
286 * some other match criteria. 248 * some other match criteria.
287 */ 249 */
289 retval = 12; 251 retval = 12;
290 else if (strstr (query_base_name (op, 0), cp)) 252 else if (strstr (query_base_name (op, 0), cp))
291 retval = 12; 253 retval = 12;
292 else if (strstr (query_short_name (op), cp)) 254 else if (strstr (query_short_name (op), cp))
293 retval = 12; 255 retval = 12;
294
295 /* Check against plural/non plural based on count. */ 256 /* Check against plural/non plural based on count. */
296 else if (count > 1 && !strcasecmp (cp, op->name_pl)) 257 else if (count > 1 && !strcasecmp (cp, op->name_pl))
297 {
298 retval = 6; 258 retval = 6;
299 }
300 else if (count == 1 && !strcasecmp (op->name, cp)) 259 else if (count == 1 && !strcasecmp (op->name, cp))
301 {
302 retval = 6; 260 retval = 6;
303 }
304 /* base name matched - not bad */ 261 /* base name matched - not bad */
305 else if (strcasecmp (cp, op->name) == 0 && !count) 262 else if (strcasecmp (cp, op->name) == 0 && !count)
306 retval = 4; 263 retval = 4;
307 /* Check for partial custom name, but give a real low priority */ 264 /* Check for partial custom name, but give a real low priority */
308 else if (op->custom_name && strstr (op->custom_name, cp)) 265 else if (op->custom_name && strstr (op->custom_name, cp))
310 267
311 if (retval) 268 if (retval)
312 { 269 {
313 if (pl->type == PLAYER) 270 if (pl->type == PLAYER)
314 pl->contr->count = count; 271 pl->contr->count = count;
272
315 return retval; 273 return retval;
316 } 274 }
317 } 275 }
276
318 return 0; 277 return 0;
319} 278}
320 279
321/* 280archetype::archetype (const char *name)
322 * Initialises the internal linked list of archetypes (read from file). 281{
323 * Then the global "empty_archetype" pointer is initialised. 282 stub = true;
324 * Then the blocksview[] array is initialised. 283 arch = this;
325 */ 284 this->archname = this->name = this->name_pl = name;
285}
286
287archetype::~archetype ()
288{
289 unlink ();
290}
326 291
327void 292void
328init_archetypes (void) 293archetype::link ()
329{ /* called from add_player() and edit() */ 294{
330 if (first_archetype != NULL) /* Only do this once */ 295 ht.insert (std::make_pair (archname, this));
331 return;
332 arch_init = 1;
333 load_archetypes ();
334 arch_init = 0;
335 empty_archetype = find_archetype ("empty_archetype");
336 296
337/* init_blocksview();*/ 297 if (!archetypes.contains (this))
298 archetypes.insert (this);
338} 299}
339
340/*
341 * Stores debug-information about how efficient the hashtable
342 * used for archetypes has been in the static errmsg array.
343 */
344 300
345void 301void
346arch_info (object *op) 302archetype::unlink ()
347{ 303{
348 sprintf (errmsg, "%d searches and %d strcmp()'s", arch_search, arch_cmp); 304 ht.erase (archname);
349 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);
350} 308}
351 309
352/* 310/*
353 * 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.
354 */ 313 */
314archetype *
315archetype::find (const char *name)
316{
317 if (!name)
318 return 0;
355 319
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 */
356void 488void
357clear_archetable (void) 489init_archetype_pointers ()
358{ 490{
359 memset ((void *) arch_table, 0, ARCHTABLE * sizeof (archetype *)); 491 ring_arch = archetype::find ("ring");
360} 492 amulet_arch = archetype::find ("amulet");
361 493 staff_arch = archetype::find ("staff");
362/* 494 crown_arch = archetype::find ("crown");
363 * An alternative way to init the hashtable which is slower, but _works_... 495 empty_archetype = archetype::find ("empty_archetype");
364 */
365
366void
367init_archetable (void)
368{
369 archetype *
370 at;
371
372 LOG (llevDebug, " Setting up archetable...\n");
373
374 for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
375 add_arch (at);
376
377 LOG (llevDebug, "done\n");
378}
379
380/*
381 * Dumps an archetype to debug-level output.
382 */
383
384void
385dump_arch (archetype *at)
386{
387 dump_object (&at->clone);
388}
389
390/*
391 * Dumps _all_ archetypes to debug-level output.
392 * If you run crossfire with debug, and enter DM-mode, you can trigger
393 * this with the O key.
394 */
395
396void
397dump_all_archetypes (void)
398{
399 archetype *
400 at;
401
402 for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
403 {
404 dump_arch (at);
405 fprintf (logfile, "%s\n", errmsg);
406 }
407}
408
409void
410free_all_archs (void)
411{
412 archetype *
413 at, *
414 next;
415 int
416 i = 0, f = 0;
417
418 for (at = first_archetype; at != NULL; at = next)
419 {
420 if (at->more)
421 next = at->more;
422 else
423 next = at->next;
424
425 delete
426 at;
427
428 i++;
429 }
430 LOG (llevDebug, "Freed %d archetypes, %d faces\n", i, f);
431}
432
433archetype::archetype ()
434{
435 clear_object (&clone); /* to initial state other also */
436 CLEAR_FLAG (&clone, FLAG_FREED); /* This shouldn't matter, since copy_object() */
437 SET_FLAG (&clone, FLAG_REMOVED); /* doesn't copy these flags... */
438}
439
440archetype::~archetype ()
441{
442}
443
444/*
445 * Reads/parses the archetype-file, and copies into a linked list
446 * of archetype-structures.
447 */
448void
449first_arch_pass (object_thawer & fp)
450{
451 archetype *
452 at, *
453 head = NULL, *last_more = NULL;
454
455 at->clone.arch = first_archetype = at = new archetype;
456
457 while (int i = load_object (fp, &at->clone, 0))
458 {
459 at->clone.speed_left = (float) (-0.1);
460 /* copy the body_info to the body_used - this is only really
461 * need for monsters, but doesn't hurt to do it for everything.
462 * by doing so, when a monster is created, it has good starting
463 * values for the body_used info, so when items are created
464 * for it, they can be properly equipped.
465 */
466 memcpy (&at->clone.body_used, &at->clone.body_info, sizeof (at->clone.body_info));
467
468 switch (i)
469 {
470 case LL_NORMAL: /* A new archetype, just link it with the previous */
471 if (last_more != NULL)
472 last_more->next = at;
473 if (head != NULL)
474 head->next = at;
475 head = last_more = at;
476#if 0
477 if (!op->type)
478 LOG (llevDebug, " WARNING: Archetype %s has no type info!\n", op->arch->name);
479#endif
480 at->tail_x = 0;
481 at->tail_y = 0;
482 break;
483
484 case LL_MORE: /* Another part of the previous archetype, link it correctly */
485
486 at->head = head;
487 at->clone.head = &head->clone;
488 if (last_more != NULL)
489 {
490 last_more->more = at;
491 last_more->clone.more = &at->clone;
492 }
493 last_more = at;
494
495 /* If this multipart image is still composed of individual small
496 * images, don't set the tail_.. values. We can't use them anyways,
497 * and setting these to zero makes the map sending to the client much
498 * easier as just looking at the head, we know what to do.
499 */
500 if (at->clone.face != head->clone.face)
501 {
502 head->tail_x = 0;
503 head->tail_y = 0;
504 }
505 else
506 {
507 if (at->clone.x > head->tail_x)
508 head->tail_x = at->clone.x;
509 if (at->clone.y > head->tail_y)
510 head->tail_y = at->clone.y;
511 }
512 break;
513
514 }
515
516 at = new archetype;
517
518 at->clone.arch = at;
519 }
520
521 delete at;
522}
523
524/*
525 * Reads the archetype file once more, and links all pointers between
526 * archetypes.
527 */
528
529void
530second_arch_pass (object_thawer & thawer)
531{
532 char
533 buf[MAX_BUF], *
534 variable = buf, *argument, *cp;
535 archetype *
536 at = NULL, *other;
537
538 while (fgets (buf, MAX_BUF, thawer) != NULL)
539 {
540 if (*buf == '#')
541 continue;
542 if ((argument = strchr (buf, ' ')) != NULL)
543 {
544 *argument = '\0', argument++;
545 cp = argument + strlen (argument) - 1;
546 while (isspace (*cp))
547 {
548 *cp = '\0';
549 cp--;
550 }
551 }
552 if (!strcmp ("Object", variable))
553 {
554 if ((at = find_archetype (argument)) == NULL)
555 LOG (llevError, "Warning: failed to find arch %s\n", argument);
556 }
557 else if (!strcmp ("other_arch", variable))
558 {
559 if (at != NULL && at->clone.other_arch == NULL)
560 {
561 if ((other = find_archetype (argument)) == NULL)
562 LOG (llevError, "Warning: failed to find other_arch %s\n", argument);
563 else if (at != NULL)
564 at->clone.other_arch = other;
565 }
566 }
567 else if (!strcmp ("randomitems", variable))
568 {
569 if (at != NULL)
570 {
571 treasurelist *
572 tl = find_treasurelist (argument);
573
574 if (tl == NULL)
575 LOG (llevError, "Failed to link treasure to arch (%s): %s\n", &at->name, argument);
576 else
577 at->clone.randomitems = tl;
578 }
579 }
580 }
581}
582
583#ifdef DEBUG
584void
585check_generators (void)
586{
587 archetype *
588 at;
589
590 for (at = first_archetype; at != NULL; at = at->next)
591 if (QUERY_FLAG (&at->clone, FLAG_GENERATOR) && at->clone.other_arch == NULL)
592 LOG (llevError, "Warning: %s is generator but lacks other_arch.\n", &at->name);
593}
594#endif
595
596/*
597 * First initialises the archtype hash-table (init_archetable()).
598 * Reads and parses the archetype file (with the first and second-pass
599 * functions).
600 * Then initialises treasures by calling load_treasures().
601 */
602
603void
604load_archetypes (void)
605{
606 char
607 filename[MAX_BUF];
608
609#if TIME_ARCH_LOAD
610 struct timeval
611 tv1,
612 tv2;
613#endif
614
615 sprintf (filename, "%s/%s", settings.datadir, settings.archetypes);
616 LOG (llevDebug, "Reading archetypes from %s:\n", filename);
617
618 {
619 object_thawer
620 thawer (filename);
621
622 clear_archetable ();
623 LOG (llevDebug, " arch-pass 1...\n");
624 first_arch_pass (thawer);
625 LOG (llevDebug, " done\n");
626 }
627
628 init_archetable ();
629 warn_archetypes = 1;
630
631 {
632 object_thawer
633 thawer (filename);
634
635 LOG (llevDebug, " loading treasure...\n");
636 load_treasures ();
637 LOG (llevDebug, " done\n arch-pass 2...\n");
638 second_arch_pass (thawer);
639 LOG (llevDebug, " done\n");
640#ifdef DEBUG
641 check_generators ();
642#endif
643 }
644 LOG (llevDebug, " done\n");
645} 496}
646 497
647/* 498/*
648 * 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.
649 * This function returns NULL on failure. 500 * This function returns NULL on failure.
650 */ 501 */
651
652object * 502object *
653arch_to_object (archetype *at) 503arch_to_object (archetype *at)
654{ 504{
655 object * 505 if (!at)
656 op;
657
658 if (at == NULL)
659 { 506 {
660 if (warn_archetypes)
661 LOG (llevError, "Couldn't find archetype.\n"); 507 LOG (llevError, "Couldn't find archetype.\n");
662
663 return NULL; 508 return 0;
664 } 509 }
665 510
666 op = get_object (); 511 object *op = at->clone ();
667 copy_object (&at->clone, op);
668 op->arch = at; 512 op->arch = at;
669 op->instantiate (); 513 op->instantiate ();
514
670 return op; 515 return op;
671} 516}
672 517
673/* 518/*
674 * Creates an object. This function is called by get_archetype() 519 * Creates an object. This function is called by get_archetype()
675 * if it fails to find the appropriate archetype. 520 * if it fails to find the appropriate archetype.
676 * Thus get_archetype() will be guaranteed to always return 521 * Thus get_archetype() will be guaranteed to always return
677 * an object, and never NULL. 522 * an object, and never NULL.
678 */ 523 */
679
680object * 524object *
681create_singularity (const char *name) 525create_singularity (const char *name)
682{ 526{
683 object * 527 LOG (llevError | logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
684 op; 528
685 char 529 if (!strcmp (name, "bug"))
530 abort ();
531
686 buf[MAX_BUF]; 532 char buf[MAX_BUF];
533 sprintf (buf, "bug, please report (%s)", name);
687 534
688 sprintf (buf, "%s (%s)", ARCH_SINGULARITY, name); 535 object *op = get_archetype ("bug");
689 op = get_object ();
690 op->name = op->name_pl = buf; 536 op->name = op->name_pl = buf;
691 SET_FLAG (op, FLAG_NO_PICK); 537
692 return op; 538 return op;
693} 539}
694 540
695/* 541/*
696 * Finds which archetype matches the given name, and returns a new 542 * Finds which archetype matches the given name, and returns a new
697 * object containing a copy of the archetype. 543 * object containing a copy of the archetype.
698 */ 544 */
699
700object * 545object *
701get_archetype (const char *name) 546get_archetype (const char *name)
702{ 547{
703 archetype * 548 archetype *at = archetype::find (name);
704 at;
705 549
706 at = find_archetype (name); 550 if (!at)
707 if (at == NULL)
708 return create_singularity (name); 551 return create_singularity (name);
709 552
710 return arch_to_object (at); 553 return arch_to_object (at);
711}
712
713/*
714 * Hash-function used by the arch-hashtable.
715 */
716
717unsigned long
718hasharch (const char *str, int tablesize)
719{
720 unsigned long
721 hash = 0;
722 unsigned int
723 i = 0;
724 const char *
725 p;
726
727 /* use the one-at-a-time hash function, which supposedly is
728 * better than the djb2-like one used by perl5.005, but
729 * certainly is better then the bug used here before.
730 * see http://burtleburtle.net/bob/hash/doobs.html
731 */
732 for (p = str; i < MAXSTRING && *p; p++, i++)
733 {
734 hash += *p;
735 hash += hash << 10;
736 hash ^= hash >> 6;
737 }
738
739 hash += hash << 3;
740 hash ^= hash >> 11;
741 hash += hash << 15;
742
743 return hash % tablesize;
744}
745
746/*
747 * Finds, using the hashtable, which archetype matches the given name.
748 * returns a pointer to the found archetype, otherwise NULL.
749 */
750
751archetype *
752find_archetype (const char *name)
753{
754#if USE_UNORDERED_MAP
755 name = shstr::find (name);
756
757 if (!name)
758 return 0;
759
760 AUTODECL (i, ht.find ((size_t) name));
761
762 if (i == ht.end ())
763 return 0;
764 else
765 return i->second;
766#endif
767
768 archetype *
769 at;
770 unsigned long
771 index;
772
773 if (name == NULL)
774 return (archetype *) NULL;
775
776 index = hasharch (name, ARCHTABLE);
777 arch_search++;
778 for (;;)
779 {
780 at = arch_table[index];
781 if (at == NULL)
782 {
783 if (warn_archetypes)
784 LOG (llevError, "Couldn't find archetype %s\n", name);
785 return NULL;
786 }
787 arch_cmp++;
788 if (!strcmp ((const char *) at->name, name))
789 return at;
790 if (++index >= ARCHTABLE)
791 index = 0;
792 }
793}
794
795/*
796 * Adds an archetype to the hashtable.
797 */
798
799static void
800add_arch (archetype *at)
801{
802#if USE_UNORDERED_MAP
803 ht.insert (std::make_pair ((size_t) (const char *) at->name, at));
804#endif
805
806 int
807 index = hasharch ((const char *) at->name, ARCHTABLE), org_index = index;
808
809 for (;;)
810 {
811 if (arch_table[index] == NULL)
812 {
813 arch_table[index] = at;
814 return;
815 }
816
817 if (++index == ARCHTABLE)
818 index = 0;
819
820 if (index == org_index)
821 fatal (ARCHTABLE_TOO_SMALL);
822 }
823} 554}
824 555
825/* 556/*
826 * Returns the first archetype using the given type. 557 * Returns the first archetype using the given type.
827 * Used in treasure-generation. 558 * Used in treasure-generation.
828 */ 559 */
829
830archetype * 560archetype *
831type_to_archetype (int type) 561type_to_archetype (int type)
832{ 562{
833 archetype * 563 for_all_archetypes (at)
834 at; 564 if (at->type == type && at->head_ () != at)
835
836 for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
837 if (at->clone.type == type)
838 return at; 565 return at;
566
839 return NULL; 567 return 0;
840} 568}
841 569
842/* 570/*
843 * Returns a new object copied from the first archetype matching 571 * Returns a new object copied from the first archetype matching
844 * the given type. 572 * the given type.
845 * Used in treasure-generation. 573 * Used in treasure-generation.
846 */ 574 */
847
848object * 575object *
849clone_arch (int type) 576clone_arch (int type)
850{ 577{
851 archetype * 578 archetype *at;
852 at;
853 object *
854 op = get_object ();
855 579
856 if ((at = type_to_archetype (type)) == NULL) 580 if ((at = type_to_archetype (type)) == NULL)
857 { 581 {
858 LOG (llevError, "Can't clone archetype %d\n", type); 582 LOG (llevError, "Can't clone archetype %d\n", type);
859 free_object (op);
860 return NULL; 583 return 0;
861 } 584 }
862 copy_object (&at->clone, op); 585
586 object *op = at->clone ();
863 op->instantiate (); 587 op->instantiate ();
864 return op; 588 return op;
865} 589}
866 590
867/* 591/*
868 * member: make instance from class 592 * member: make instance from class
869 */ 593 */
870
871object * 594object *
872object_create_arch (archetype *at) 595object_create_arch (archetype *at)
873{ 596{
874 object * 597 object *op, *prev = 0, *head = 0;
875 op, *
876 prev = NULL, *head = NULL;
877 598
878 while (at) 599 while (at)
879 { 600 {
880 op = arch_to_object (at); 601 op = arch_to_object (at);
602
881 op->x = at->clone.x; 603 op->x = at->x;
882 op->y = at->clone.y; 604 op->y = at->y;
605
883 if (head) 606 if (head)
884 op->head = head, prev->more = op; 607 op->head = head, prev->more = op;
608
885 if (!head) 609 if (!head)
886 head = op; 610 head = op;
611
887 prev = op; 612 prev = op;
888 at = at->more; 613 at = (archetype *)at->more;
889 } 614 }
615
890 return (head); 616 return head;
891} 617}
892 618
893/*** end of arch.c ***/

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