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Comparing deliantra/server/common/arch.C (file contents):
Revision 1.16 by root, Sun Sep 10 16:00:23 2006 UTC vs.
Revision 1.71 by root, Thu Nov 8 19:43:23 2007 UTC

1
2/* 1/*
3 * static char *rcsid_arch_c = 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
4 * "$Id: arch.C,v 1.16 2006/09/10 16:00:23 root Exp $"; 3 *
5 */ 4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
6
7/*
8 CrossFire, A Multiplayer game for X-windows
9
10 Copyright (C) 2002 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
11 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
12 7 *
13 This program is free software; you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify
14 it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
15 the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation, either version 3 of the License, or
16 (at your option) any later version. 11 * (at your option) any later version.
17 12 *
18 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,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 GNU General Public License for more details. 16 * GNU General Public License for more details.
22 17 *
23 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
24 along with this program; if not, write to the Free Software 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
25 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 *
26 21 * The authors can be reached via e-mail to <support@deliantra.net>
27 The authors can be reached via e-mail at crossfire-devel@real-time.com
28*/ 22 */
29 23
30#include <cassert> 24#include <cassert>
31 25
32#include <tr1/unordered_map>
33
34#include <global.h> 26#include <global.h>
35#include <arch.h>
36#include <funcpoint.h> 27#include <funcpoint.h>
37#include <loader.h> 28#include <loader.h>
38 29
39/* IF set, does a little timing on the archetype load. */ 30#include <tr1/functional>
40#define TIME_ARCH_LOAD 0 31#include <tr1/unordered_map>
41
42static void add_arch (archetype *at);
43
44static archetype *arch_table[ARCHTABLE];
45int arch_cmp = 0; /* How many strcmp's */
46int arch_search = 0; /* How many searches */
47int arch_init; /* True if doing arch initialization */
48 32
49/* The naming of these functions is really poor - they are all 33/* The naming of these functions is really poor - they are all
50 * pretty much named '.._arch_...', but they may more may not 34 * pretty much named '.._arch_...', but they may more may not
51 * return archetypes. Some make the arch_to_object call, and thus 35 * return archetypes. Some make the arch_to_object call, and thus
52 * return an object. Perhaps those should be called 'archob' functions 36 * return an object. Perhaps those should be called 'archob' functions
53 * to denote they return an object derived from the archetype. 37 * to denote they return an object derived from the archetype.
54 * MSW 2003-04-29 38 * MSW 2003-04-29
55 */ 39 */
56 40
57#if USE_UNORDERED_MAP 41archetype *loading_arch; // ugly flag to object laoder etc. to suppress/request special processing
42
58// the hashtable 43// the hashtable
59typedef
60 std::tr1::unordered_map < 44typedef std::tr1::unordered_map
61size_t, archetype *> 45 <
46 const char *,
47 arch_ptr,
48 str_hash,
49 str_equal,
50 slice_allocator< std::pair<const char *const, arch_ptr> >
62 HT; 51 > HT;
63 52
64static 53static HT ht (5000);
65 HT 54archvec archetypes;
66 ht;
67#endif
68 55
69/** 56/**
70 * GROS - This function retrieves an archetype given the name that appears 57 * GROS - This function retrieves an archetype given the name that appears
71 * during the game (for example, "writing pen" instead of "stylus"). 58 * during the game (for example, "writing pen" instead of "stylus").
72 * It does not use the hashtable system, but browse the whole archlist each time. 59 * It does not use the hashtable system, but browse the whole archlist each time.
78 * - the archetype found or null if nothing was found. 65 * - the archetype found or null if nothing was found.
79 */ 66 */
80archetype * 67archetype *
81find_archetype_by_object_name (const char *name) 68find_archetype_by_object_name (const char *name)
82{ 69{
83 archetype * 70 shstr_cmp name_cmp (name);
84 at;
85 71
86 if (name == NULL) 72 for_all_archetypes (at)
87 return (archetype *) NULL; 73 if (at->name == name_cmp)
88
89 for (at = first_archetype; at != NULL; at = at->next)
90 {
91 if (!strcmp (at->clone.name, name))
92 return at; 74 return at;
93 } 75
94 return NULL; 76 return 0;
95} 77}
96 78
97/** 79/**
98 * This function retrieves an archetype by type and name that appears during 80 * This function retrieves an archetype by type and name that appears during
99 * the game. It is basically the same as find_archetype_by_object_name() 81 * the game. It is basically the same as find_archetype_by_object_name()
100 * except that it considers only items of the given type. 82 * except that it considers only items of the given type.
101 */ 83 */
102archetype * 84archetype *
103find_archetype_by_object_type_name (int type, const char *name) 85find_archetype_by_object_type_name (int type, const char *name)
104{ 86{
105 archetype * 87 shstr_cmp name_cmp (name);
106 at;
107 88
108 if (name == NULL) 89 for_all_archetypes (at)
109 return NULL; 90 if (at->name == name_cmp && at->type == type)
110
111 for (at = first_archetype; at != NULL; at = at->next)
112 {
113 if (at->clone.type == type && strcmp (at->clone.name, name) == 0)
114 return at; 91 return at;
115 }
116 92
117 return NULL; 93 return 0;
118} 94}
119 95
120/* This is a lot like the above function. Instead, we are trying to match 96/* This is a lot like the above function. Instead, we are trying to match
121 * the arch->skill values. type is the type of object to match 97 * the arch->skill values. type is the type of object to match
122 * against (eg, to only match against skills or only skill objects for example). 98 * against (eg, to only match against skills or only skill objects for example).
123 * If type is -1, ew don't match on type. 99 * If type is -1, ew don't match on type.
124 */ 100 */
125object * 101object *
126get_archetype_by_skill_name (const char *skill, int type) 102get_archetype_by_skill_name (const char *skill, int type)
127{ 103{
128 archetype * 104 shstr_cmp skill_cmp (skill);
129 at;
130 105
131 if (skill == NULL) 106 for_all_archetypes (at)
132 return NULL; 107 if (at->skill == skill_cmp && (type == -1 || type == at->type))
133
134 for (at = first_archetype; at != NULL; at = at->next)
135 {
136 if (((type == -1) || (type == at->clone.type)) && (!strcmp (at->clone.skill, skill)))
137 return arch_to_object (at); 108 return arch_to_object (at);
138 } 109
139 return NULL; 110 return 0;
140} 111}
141 112
142/* similiar to above - this returns the first archetype 113/* similiar to above - this returns the first archetype
143 * that matches both the type and subtype. type and subtype 114 * that matches both the type and subtype. type and subtype
144 * can be -1 to say ignore, but in this case, the match it does 115 * can be -1 to say ignore, but in this case, the match it does
147 * (eg, skills) 118 * (eg, skills)
148 */ 119 */
149archetype * 120archetype *
150get_archetype_by_type_subtype (int type, int subtype) 121get_archetype_by_type_subtype (int type, int subtype)
151{ 122{
152 archetype * 123 for_all_archetypes (at)
153 at;
154
155 for (at = first_archetype; at != NULL; at = at->next)
156 {
157 if (((type == -1) || (type == at->clone.type)) && (subtype == -1 || subtype == at->clone.subtype)) 124 if ((type == -1 || type == at->type) && (subtype == -1 || subtype == at->subtype))
158 return at; 125 return at;
159 } 126
160 return NULL; 127 return 0;
161} 128}
162 129
163/** 130/**
164 * GROS - this returns a new object given the name that appears during the game 131 * GROS - this returns a new object given the name that appears during the game
165 * (for example, "writing pen" instead of "stylus"). 132 * (for example, "writing pen" instead of "stylus").
173 * but it otherwise had a big memory leak. 140 * but it otherwise had a big memory leak.
174 */ 141 */
175object * 142object *
176get_archetype_by_object_name (const char *name) 143get_archetype_by_object_name (const char *name)
177{ 144{
178 archetype *
179 at;
180 char
181 tmpname[MAX_BUF]; 145 char tmpname[MAX_BUF];
182 int 146 int i;
183 i;
184 147
185 strncpy (tmpname, name, MAX_BUF - 1); 148 assign (tmpname, name);
186 tmpname[MAX_BUF - 1] = 0; 149
187 for (i = strlen (tmpname); i > 0; i--) 150 for (i = strlen (tmpname); i > 0; i--)
188 { 151 {
189 tmpname[i] = 0; 152 tmpname[i] = 0;
153
190 at = find_archetype_by_object_name (tmpname); 154 if (archetype *at = find_archetype_by_object_name (tmpname))
191 if (at != NULL)
192 {
193 return arch_to_object (at); 155 return arch_to_object (at);
194 }
195 } 156 }
157
196 return create_singularity (name); 158 return create_singularity (name);
197} 159}
198 160
199 /* This is a subset of the parse_id command. Basically, name can be 161/* This is a subset of the parse_id command. Basically, name can be
200 * a string seperated lists of things to match, with certain keywords. 162 * a string seperated lists of things to match, with certain keywords.
201 * pl is the player (only needed to set count properly) 163 * pl is the player (only needed to set count properly)
202 * op is the item we are trying to match. Calling function takes care 164 * op is the item we are trying to match. Calling function takes care
203 * of what action might need to be done and if it is valid 165 * of what action might need to be done and if it is valid
204 * (pickup, drop, etc.) Return NONZERO if we have a match. A higher 166 * (pickup, drop, etc.) Return NONZERO if we have a match. A higher
205 * value means a better match. 0 means no match. 167 * value means a better match. 0 means no match.
206 * 168 *
207 * Brief outline of the procedure: 169 * Brief outline of the procedure:
208 * We take apart the name variable into the individual components. 170 * We take apart the name variable into the individual components.
209 * cases for 'all' and unpaid are pretty obvious. 171 * cases for 'all' and unpaid are pretty obvious.
210 * Next, we check for a count (either specified in name, or in the 172 * Next, we check for a count (either specified in name, or in the
211 * player object.) 173 * player object.)
212 * If count is 1, make a quick check on the name. 174 * If count is 1, make a quick check on the name.
213 * IF count is >1, we need to make plural name. Return if match. 175 * IF count is >1, we need to make plural name. Return if match.
214 * Last, make a check on the full name. 176 * Last, make a check on the full name.
215 */ 177 */
216int 178int
217item_matched_string (object *pl, object *op, const char *name) 179item_matched_string (object *pl, object *op, const char *name)
218{ 180{
219 char *
220 cp,
221 local_name[MAX_BUF]; 181 char *cp, local_name[MAX_BUF];
222 int 182 int count, retval = 0;
223 count,
224 retval = 0;
225 183
226 strcpy (local_name, name); /* strtok is destructive to name */ 184 assign (local_name, name); /* strtok is destructive to name */
227 185
228 for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ",")) 186 for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))
229 { 187 {
230 while (cp[0] == ' ') 188 while (cp[0] == ' ')
231 ++cp; /* get rid of spaces */ 189 ++cp; /* get rid of spaces */
281 retval = 15; 239 retval = 15;
282 else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp))) 240 else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp)))
283 retval = 14; 241 retval = 14;
284 else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp))) 242 else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp)))
285 retval = 14; 243 retval = 14;
286
287 /* Do substring checks, so things like 'Str+1' will match. 244 /* Do substring checks, so things like 'Str+1' will match.
288 * retval of these should perhaps be lower - they are lower 245 * retval of these should perhaps be lower - they are lower
289 * then the specific strcasecmp aboves, but still higher than 246 * then the specific strcasecmp aboves, but still higher than
290 * some other match criteria. 247 * some other match criteria.
291 */ 248 */
293 retval = 12; 250 retval = 12;
294 else if (strstr (query_base_name (op, 0), cp)) 251 else if (strstr (query_base_name (op, 0), cp))
295 retval = 12; 252 retval = 12;
296 else if (strstr (query_short_name (op), cp)) 253 else if (strstr (query_short_name (op), cp))
297 retval = 12; 254 retval = 12;
298
299 /* Check against plural/non plural based on count. */ 255 /* Check against plural/non plural based on count. */
300 else if (count > 1 && !strcasecmp (cp, op->name_pl)) 256 else if (count > 1 && !strcasecmp (cp, op->name_pl))
301 {
302 retval = 6; 257 retval = 6;
303 }
304 else if (count == 1 && !strcasecmp (op->name, cp)) 258 else if (count == 1 && !strcasecmp (op->name, cp))
305 {
306 retval = 6; 259 retval = 6;
307 }
308 /* base name matched - not bad */ 260 /* base name matched - not bad */
309 else if (strcasecmp (cp, op->name) == 0 && !count) 261 else if (strcasecmp (cp, op->name) == 0 && !count)
310 retval = 4; 262 retval = 4;
311 /* Check for partial custom name, but give a real low priority */ 263 /* Check for partial custom name, but give a real low priority */
312 else if (op->custom_name && strstr (op->custom_name, cp)) 264 else if (op->custom_name && strstr (op->custom_name, cp))
314 266
315 if (retval) 267 if (retval)
316 { 268 {
317 if (pl->type == PLAYER) 269 if (pl->type == PLAYER)
318 pl->contr->count = count; 270 pl->contr->count = count;
271
319 return retval; 272 return retval;
320 } 273 }
321 } 274 }
275
322 return 0; 276 return 0;
323} 277}
324 278
325/* 279archetype::archetype (const char *name)
326 * Initialises the internal linked list of archetypes (read from file). 280{
327 * Then the global "empty_archetype" pointer is initialised. 281 stub = true;
328 * Then the blocksview[] array is initialised. 282 arch = this;
329 */ 283 this->archname = this->name = this->name_pl = name;
284}
285
286archetype::~archetype ()
287{
288 unlink ();
289}
330 290
331void 291void
332init_archetypes (void) 292archetype::link ()
333{ /* called from add_player() and edit() */ 293{
334 if (first_archetype != NULL) /* Only do this once */ 294 ht.insert (std::make_pair (archname, this));
335 return;
336 arch_init = 1;
337 load_archetypes ();
338 arch_init = 0;
339 empty_archetype = find_archetype ("empty_archetype");
340 295
341/* init_blocksview();*/ 296 if (!archetypes.contains (this))
297 archetypes.insert (this);
342} 298}
343
344/*
345 * Stores debug-information about how efficient the hashtable
346 * used for archetypes has been in the static errmsg array.
347 */
348 299
349void 300void
350arch_info (object *op) 301archetype::unlink ()
351{ 302{
352 sprintf (errmsg, "%d searches and %d strcmp()'s", arch_search, arch_cmp); 303 ht.erase (archname);
353 new_draw_info (NDI_BLACK, 0, op, errmsg);
354}
355 304
356/* 305 if (archetypes.contains (this))
357 * Initialise the hashtable used by the archetypes. 306 archetypes.erase (this);
358 */ 307}
359 308
309/*
310 * Finds, using the hashtable, which archetype matches the given name.
311 * returns a pointer to the found archetype, otherwise NULL.
312 */
313archetype *
314archetype::find (const char *name)
315{
316 if (!name)
317 return 0;
318
319 auto (i, ht.find (name));
320
321 if (i == ht.end ())
322 return 0;
323 else
324 return i->second;
325}
326
327archetype *
328archetype::get (const char *name)
329{
330 if (!name)
331 {
332 LOG (llevError, "null archetype requested\n");
333 name = "(null)";
334 }
335
336 if (loading_arch && !strcmp (&loading_arch->archname, name))
337 return loading_arch;
338
339 archetype *at = find (name);
340
341 if (!at)
342 {
343 at = new archetype (name);
344 at->link ();
345 }
346
347 return at;
348}
349
350archetype *
351archetype::read (object_thawer &f)
352{
353 assert (f.kw == KW_object);
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 loading_arch = at; // hack to tell parse_kv et al. to behave
388 bool parse_ok = at->parse_kv (f);
389 loading_arch = 0;
390
391 if (!parse_ok)
392 goto fail;
393
394 loading_arch = at; // hack to tell parse_kv et al. to behave
395 at->post_load_check ();
396 loading_arch = 0;
397
398 parts.push_back (at);
399
400 if (f.kw != KW_more)
401 break;
402
403 f.next ();
404
405 if (f.kw != KW_object)
406 {
407 f.parse_error ("more object");
408 goto fail;
409 }
410 }
411
412 {
413 auto (at, parts.begin ());
414
415 archetype *new_head = parts.front ();
416 archetype *old_head = find (new_head->archname);
417
418 if (old_head && !old_head->is_head ())
419 {
420 LOG (llevError, "%s: unable to overwrite non-head archetype '%s' with head archetype, skipping.\n",
421 &new_head->archname, &old_head->archname);
422 goto fail;
423 }
424
425 // check that all archetypes belong to the same old object or are new
426 for (auto (at, parts.begin ()); at != parts.end (); ++at)
427 {
428 archetype *new_part = *at;
429 archetype *old_part = find (new_part->archname);
430
431 if (old_part && old_part->head_ () != old_head)
432 {
433 LOG (llevError, "%s: unable to overwrite archetype '%s' with archetype of different object, skipping.\n",
434 &new_part->archname, &((archetype *)old_part->head_ ())->archname);
435 goto fail;
436 }
437 }
438
439 // deactivate existing archetype
440 for (archetype *at = old_head; at; at = (archetype *)at->more)
441 at->unlink ();
442
443 // assemble new chain
444 new_head->min_x = new_head->max_x = new_head->x;
445 new_head->min_y = new_head->max_y = new_head->y;
446
447 archetype *less = new_head;
448 for (auto (p, parts.begin () + 1); p != parts.end (); ++p)
449 {
450 archetype *at = *p;
451
452 // some flags get inherited formt he head (probably a lot more)
453 // doing it here doesn't feel too cozy, but it allows code
454 // to ignore head checks for these flags, which saves time
455 at->flag [FLAG_ALIVE] = new_head->flag [FLAG_ALIVE];
456 at->flag [FLAG_NO_PICK] = new_head->flag [FLAG_NO_PICK];
457 at->flag [FLAG_MONSTER] = new_head->flag [FLAG_MONSTER];
458 at->flag [FLAG_IS_FLOOR] = new_head->flag [FLAG_IS_FLOOR];
459
460 if (at->x < new_head->min_x) new_head->min_x = at->x;
461 if (at->y < new_head->min_y) new_head->min_y = at->y;
462 if (at->x > new_head->max_x) new_head->max_x = at->x;
463 if (at->y > new_head->max_y) new_head->max_y = at->y;
464
465 at->head = new_head;
466 less->more = at;
467 less = at;
468 }
469
470 // now activate it
471 for (auto (p, parts.begin ()); p != parts.end (); ++p)
472 {
473 archetype *at = *p;
474 at->stub = false;
475 at->link ();
476 }
477
478 return new_head;
479 }
480
481fail:
482 for (auto (p, parts.begin ()); p != parts.end (); ++p)
483 (*p)->destroy (true);
484
485 return 0;
486}
487
488/*
489 * Initialize global archtype pointers:
490 */
360void 491void
361clear_archetable (void) 492init_archetype_pointers ()
362{ 493{
363 memset ((void *) arch_table, 0, ARCHTABLE * sizeof (archetype *)); 494 ring_arch = archetype::find ("ring");
364} 495 amulet_arch = archetype::find ("amulet");
365 496 staff_arch = archetype::find ("staff");
366/* 497 crown_arch = archetype::find ("crown");
367 * An alternative way to init the hashtable which is slower, but _works_... 498 empty_archetype = archetype::find ("empty_archetype");
368 */
369
370void
371init_archetable (void)
372{
373 archetype *
374 at;
375
376 LOG (llevDebug, " Setting up archetable...\n");
377
378 for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
379 add_arch (at);
380
381 LOG (llevDebug, "done\n");
382}
383
384/*
385 * Dumps an archetype to debug-level output.
386 */
387
388void
389dump_arch (archetype *at)
390{
391 dump_object (&at->clone);
392}
393
394/*
395 * Dumps _all_ archetypes to debug-level output.
396 * If you run crossfire with debug, and enter DM-mode, you can trigger
397 * this with the O key.
398 */
399
400void
401dump_all_archetypes (void)
402{
403 archetype *
404 at;
405
406 for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
407 {
408 dump_arch (at);
409 fprintf (logfile, "%s\n", errmsg);
410 }
411}
412
413void
414free_all_archs (void)
415{
416 archetype *
417 at, *
418 next;
419 int
420 i = 0, f = 0;
421
422 for (at = first_archetype; at != NULL; at = next)
423 {
424 if (at->more)
425 next = at->more;
426 else
427 next = at->next;
428
429 delete
430 at;
431
432 i++;
433 }
434 LOG (llevDebug, "Freed %d archetypes, %d faces\n", i, f);
435}
436
437archetype::archetype ()
438{
439 clear_object (&clone); /* to initial state other also */
440 CLEAR_FLAG (&clone, FLAG_FREED); /* This shouldn't matter, since copy_object() */
441 SET_FLAG (&clone, FLAG_REMOVED); /* doesn't copy these flags... */
442}
443
444archetype::~archetype ()
445{
446}
447
448/*
449 * Reads/parses the archetype-file, and copies into a linked list
450 * of archetype-structures.
451 */
452void
453first_arch_pass (object_thawer & fp)
454{
455 archetype *
456 at, *
457 head = NULL, *last_more = NULL;
458
459 at->clone.arch = first_archetype = at = new archetype;
460
461 while (int i = load_object (fp, &at->clone, 0))
462 {
463 at->clone.speed_left = (float) (-0.1);
464 /* copy the body_info to the body_used - this is only really
465 * need for monsters, but doesn't hurt to do it for everything.
466 * by doing so, when a monster is created, it has good starting
467 * values for the body_used info, so when items are created
468 * for it, they can be properly equipped.
469 */
470 memcpy (&at->clone.body_used, &at->clone.body_info, sizeof (at->clone.body_info));
471
472 switch (i)
473 {
474 case LL_NORMAL: /* A new archetype, just link it with the previous */
475 if (last_more != NULL)
476 last_more->next = at;
477 if (head != NULL)
478 head->next = at;
479 head = last_more = at;
480#if 0
481 if (!op->type)
482 LOG (llevDebug, " WARNING: Archetype %s has no type info!\n", op->arch->name);
483#endif
484 at->tail_x = 0;
485 at->tail_y = 0;
486 break;
487
488 case LL_MORE: /* Another part of the previous archetype, link it correctly */
489
490 at->head = head;
491 at->clone.head = &head->clone;
492 if (last_more != NULL)
493 {
494 last_more->more = at;
495 last_more->clone.more = &at->clone;
496 }
497 last_more = at;
498
499 /* If this multipart image is still composed of individual small
500 * images, don't set the tail_.. values. We can't use them anyways,
501 * and setting these to zero makes the map sending to the client much
502 * easier as just looking at the head, we know what to do.
503 */
504 if (at->clone.face != head->clone.face)
505 {
506 head->tail_x = 0;
507 head->tail_y = 0;
508 }
509 else
510 {
511 if (at->clone.x > head->tail_x)
512 head->tail_x = at->clone.x;
513 if (at->clone.y > head->tail_y)
514 head->tail_y = at->clone.y;
515 }
516 break;
517
518 }
519
520 at = new archetype;
521
522 at->clone.arch = at;
523 }
524
525 delete at;
526}
527
528/*
529 * Reads the archetype file once more, and links all pointers between
530 * archetypes.
531 */
532
533void
534second_arch_pass (object_thawer & thawer)
535{
536 char
537 buf[MAX_BUF], *
538 variable = buf, *argument, *cp;
539 archetype *
540 at = NULL, *other;
541
542 while (fgets (buf, MAX_BUF, thawer) != NULL)
543 {
544 if (*buf == '#')
545 continue;
546 if ((argument = strchr (buf, ' ')) != NULL)
547 {
548 *argument = '\0', argument++;
549 cp = argument + strlen (argument) - 1;
550 while (isspace (*cp))
551 {
552 *cp = '\0';
553 cp--;
554 }
555 }
556 if (!strcmp ("Object", variable))
557 {
558 if ((at = find_archetype (argument)) == NULL)
559 LOG (llevError, "Warning: failed to find arch %s\n", argument);
560 }
561 else if (!strcmp ("other_arch", variable))
562 {
563 if (at != NULL && at->clone.other_arch == NULL)
564 {
565 if ((other = find_archetype (argument)) == NULL)
566 LOG (llevError, "Warning: failed to find other_arch %s\n", argument);
567 else if (at != NULL)
568 at->clone.other_arch = other;
569 }
570 }
571 else if (!strcmp ("randomitems", variable))
572 {
573 if (at != NULL)
574 {
575 treasurelist *
576 tl = find_treasurelist (argument);
577
578 if (tl == NULL)
579 LOG (llevError, "Failed to link treasure to arch (%s): %s\n", &at->name, argument);
580 else
581 at->clone.randomitems = tl;
582 }
583 }
584 }
585}
586
587#ifdef DEBUG
588void
589check_generators (void)
590{
591 archetype *
592 at;
593
594 for (at = first_archetype; at != NULL; at = at->next)
595 if (QUERY_FLAG (&at->clone, FLAG_GENERATOR) && at->clone.other_arch == NULL)
596 LOG (llevError, "Warning: %s is generator but lacks other_arch.\n", &at->name);
597}
598#endif
599
600/*
601 * First initialises the archtype hash-table (init_archetable()).
602 * Reads and parses the archetype file (with the first and second-pass
603 * functions).
604 * Then initialises treasures by calling load_treasures().
605 */
606
607void
608load_archetypes (void)
609{
610 char
611 filename[MAX_BUF];
612
613#if TIME_ARCH_LOAD
614 struct timeval
615 tv1,
616 tv2;
617#endif
618
619 sprintf (filename, "%s/%s", settings.datadir, settings.archetypes);
620 LOG (llevDebug, "Reading archetypes from %s:\n", filename);
621
622 {
623 object_thawer
624 thawer (filename);
625
626 clear_archetable ();
627 LOG (llevDebug, " arch-pass 1...\n");
628 first_arch_pass (thawer);
629 LOG (llevDebug, " done\n");
630 }
631
632 init_archetable ();
633 warn_archetypes = 1;
634
635 {
636 object_thawer
637 thawer (filename);
638
639 LOG (llevDebug, " loading treasure...\n");
640 load_treasures ();
641 LOG (llevDebug, " done\n arch-pass 2...\n");
642 second_arch_pass (thawer);
643 LOG (llevDebug, " done\n");
644#ifdef DEBUG
645 check_generators ();
646#endif
647 }
648 LOG (llevDebug, " done\n");
649} 499}
650 500
651/* 501/*
652 * Creates and returns a new object which is a copy of the given archetype. 502 * Creates and returns a new object which is a copy of the given archetype.
653 * This function returns NULL on failure. 503 * This function returns NULL on failure.
654 */ 504 */
655
656object * 505object *
657arch_to_object (archetype *at) 506arch_to_object (archetype *at)
658{ 507{
659 object * 508 if (!at)
660 op;
661
662 if (at == NULL)
663 { 509 {
664 if (warn_archetypes)
665 LOG (llevError, "Couldn't find archetype.\n"); 510 LOG (llevError, "Couldn't find archetype.\n");
666
667 return NULL; 511 return 0;
668 } 512 }
669 513
670 op = get_object (); 514 object *op = at->clone ();
671 copy_object (&at->clone, op);
672 op->arch = at; 515 op->arch = at;
673 op->instantiate (); 516 op->instantiate ();
517
674 return op; 518 return op;
519}
520
521object *
522archetype::instance ()
523{
524 return arch_to_object (this);
675} 525}
676 526
677/* 527/*
678 * Creates an object. This function is called by get_archetype() 528 * Creates an object. This function is called by get_archetype()
679 * if it fails to find the appropriate archetype. 529 * if it fails to find the appropriate archetype.
680 * Thus get_archetype() will be guaranteed to always return 530 * Thus get_archetype() will be guaranteed to always return
681 * an object, and never NULL. 531 * an object, and never NULL.
682 */ 532 */
683
684object * 533object *
685create_singularity (const char *name) 534create_singularity (const char *name)
686{ 535{
687 object * 536 LOG (llevError | logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
688 op; 537
689 char 538 if (!strcmp (name, "bug"))
539 abort ();
540
690 buf[MAX_BUF]; 541 char buf[MAX_BUF];
542 sprintf (buf, "bug, please report (%s)", name);
691 543
692 sprintf (buf, "%s (%s)", ARCH_SINGULARITY, name); 544 object *op = get_archetype ("bug");
693 op = get_object ();
694 op->name = op->name_pl = buf; 545 op->name = op->name_pl = buf;
695 SET_FLAG (op, FLAG_NO_PICK); 546
696 return op; 547 return op;
697} 548}
698 549
699/* 550/*
700 * Finds which archetype matches the given name, and returns a new 551 * Finds which archetype matches the given name, and returns a new
701 * object containing a copy of the archetype. 552 * object containing a copy of the archetype.
702 */ 553 */
703
704object * 554object *
705get_archetype (const char *name) 555get_archetype (const char *name)
706{ 556{
707 archetype * 557 archetype *at = archetype::find (name);
708 at;
709 558
710 at = find_archetype (name); 559 if (!at)
711 if (at == NULL)
712 return create_singularity (name); 560 return create_singularity (name);
713 561
714 return arch_to_object (at); 562 return arch_to_object (at);
715}
716
717/*
718 * Hash-function used by the arch-hashtable.
719 */
720
721unsigned long
722hasharch (const char *str, int tablesize)
723{
724 unsigned long
725 hash = 0;
726 unsigned int
727 i = 0;
728 const char *
729 p;
730
731 /* use the one-at-a-time hash function, which supposedly is
732 * better than the djb2-like one used by perl5.005, but
733 * certainly is better then the bug used here before.
734 * see http://burtleburtle.net/bob/hash/doobs.html
735 */
736 for (p = str; i < MAXSTRING && *p; p++, i++)
737 {
738 hash += *p;
739 hash += hash << 10;
740 hash ^= hash >> 6;
741 }
742
743 hash += hash << 3;
744 hash ^= hash >> 11;
745 hash += hash << 15;
746
747 return hash % tablesize;
748}
749
750/*
751 * Finds, using the hashtable, which archetype matches the given name.
752 * returns a pointer to the found archetype, otherwise NULL.
753 */
754
755archetype *
756find_archetype (const char *name)
757{
758#if USE_UNORDERED_MAP
759 name = shstr::find (name);
760
761 if (!name)
762 return 0;
763
764 HT::const_iterator i = ht.find ((size_t) name);
765
766 if (i == ht.end ())
767 return 0;
768 else
769 return i->second;
770#endif
771
772 archetype *
773 at;
774 unsigned long
775 index;
776
777 if (name == NULL)
778 return (archetype *) NULL;
779
780 index = hasharch (name, ARCHTABLE);
781 arch_search++;
782 for (;;)
783 {
784 at = arch_table[index];
785 if (at == NULL)
786 {
787 if (warn_archetypes)
788 LOG (llevError, "Couldn't find archetype %s\n", name);
789 return NULL;
790 }
791 arch_cmp++;
792 if (!strcmp ((const char *) at->name, name))
793 return at;
794 if (++index >= ARCHTABLE)
795 index = 0;
796 }
797}
798
799/*
800 * Adds an archetype to the hashtable.
801 */
802
803static void
804add_arch (archetype *at)
805{
806#if USE_UNORDERED_MAP
807 ht.insert (std::make_pair ((size_t) (const char *) at->name, at));
808#endif
809
810 int
811 index = hasharch ((const char *) at->name, ARCHTABLE), org_index = index;
812
813 for (;;)
814 {
815 if (arch_table[index] == NULL)
816 {
817 arch_table[index] = at;
818 return;
819 }
820
821 if (++index == ARCHTABLE)
822 index = 0;
823
824 if (index == org_index)
825 fatal (ARCHTABLE_TOO_SMALL);
826 }
827} 563}
828 564
829/* 565/*
830 * Returns the first archetype using the given type. 566 * Returns the first archetype using the given type.
831 * Used in treasure-generation. 567 * Used in treasure-generation.
832 */ 568 */
833
834archetype * 569archetype *
835type_to_archetype (int type) 570type_to_archetype (int type)
836{ 571{
837 archetype * 572 for_all_archetypes (at)
838 at; 573 if (at->type == type && at->head_ () != at)
839
840 for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
841 if (at->clone.type == type)
842 return at; 574 return at;
575
843 return NULL; 576 return 0;
844} 577}
845 578
846/* 579/*
847 * Returns a new object copied from the first archetype matching 580 * Returns a new object copied from the first archetype matching
848 * the given type. 581 * the given type.
849 * Used in treasure-generation. 582 * Used in treasure-generation.
850 */ 583 */
851
852object * 584object *
853clone_arch (int type) 585clone_arch (int type)
854{ 586{
855 archetype * 587 archetype *at;
856 at;
857 object *
858 op = get_object ();
859 588
860 if ((at = type_to_archetype (type)) == NULL) 589 if ((at = type_to_archetype (type)) == NULL)
861 { 590 {
862 LOG (llevError, "Can't clone archetype %d\n", type); 591 LOG (llevError, "Can't clone archetype %d\n", type);
863 free_object (op);
864 return NULL; 592 return 0;
865 } 593 }
866 copy_object (&at->clone, op); 594
595 object *op = at->clone ();
867 op->instantiate (); 596 op->instantiate ();
868 return op; 597 return op;
869} 598}
870 599
871/* 600/*
872 * member: make instance from class 601 * member: make instance from class
873 */ 602 */
874
875object * 603object *
876object_create_arch (archetype *at) 604object_create_arch (archetype *at)
877{ 605{
878 object * 606 object *op, *prev = 0, *head = 0;
879 op, *
880 prev = NULL, *head = NULL;
881 607
882 while (at) 608 while (at)
883 { 609 {
884 op = arch_to_object (at); 610 op = arch_to_object (at);
611
885 op->x = at->clone.x; 612 op->x = at->x;
886 op->y = at->clone.y; 613 op->y = at->y;
614
887 if (head) 615 if (head)
888 op->head = head, prev->more = op; 616 op->head = head, prev->more = op;
617
889 if (!head) 618 if (!head)
890 head = op; 619 head = op;
620
891 prev = op; 621 prev = op;
892 at = at->more; 622 at = (archetype *)at->more;
893 } 623 }
624
894 return (head); 625 return head;
895} 626}
896 627
897/*** end of arch.c ***/

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