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Comparing deliantra/server/common/arch.C (file contents):
Revision 1.15 by root, Sun Sep 10 13:20:12 2006 UTC vs.
Revision 1.69 by root, Tue Sep 4 18:20:35 2007 UTC

1
2/* 1/*
3 * static char *rcsid_arch_c = 2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
4 * "$Id: arch.C,v 1.15 2006/09/10 13:20:12 root Exp $"; 3 *
5 */ 4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT 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 * Crossfire TRT 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 <crossfire@schmorp.de>
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 HT 53static HT ht (5000);
65 ht; 54archvec archetypes;
66#endif
67 55
68/** 56/**
69 * GROS - This function retrieves an archetype given the name that appears 57 * GROS - This function retrieves an archetype given the name that appears
70 * during the game (for example, "writing pen" instead of "stylus"). 58 * during the game (for example, "writing pen" instead of "stylus").
71 * 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.
77 * - the archetype found or null if nothing was found. 65 * - the archetype found or null if nothing was found.
78 */ 66 */
79archetype * 67archetype *
80find_archetype_by_object_name (const char *name) 68find_archetype_by_object_name (const char *name)
81{ 69{
82 archetype * 70 shstr_cmp name_cmp (name);
83 at;
84 71
85 if (name == NULL) 72 for_all_archetypes (at)
86 return (archetype *) NULL; 73 if (at->name == name_cmp)
87
88 for (at = first_archetype; at != NULL; at = at->next)
89 {
90 if (!strcmp (at->clone.name, name))
91 return at; 74 return at;
92 } 75
93 return NULL; 76 return 0;
94} 77}
95 78
96/** 79/**
97 * 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
98 * 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()
99 * except that it considers only items of the given type. 82 * except that it considers only items of the given type.
100 */ 83 */
101archetype * 84archetype *
102find_archetype_by_object_type_name (int type, const char *name) 85find_archetype_by_object_type_name (int type, const char *name)
103{ 86{
104 archetype * 87 shstr_cmp name_cmp (name);
105 at;
106 88
107 if (name == NULL) 89 for_all_archetypes (at)
108 return NULL; 90 if (at->name == name_cmp && at->type == type)
109
110 for (at = first_archetype; at != NULL; at = at->next)
111 {
112 if (at->clone.type == type && strcmp (at->clone.name, name) == 0)
113 return at; 91 return at;
114 }
115 92
116 return NULL; 93 return 0;
117} 94}
118 95
119/* 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
120 * 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
121 * 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).
122 * If type is -1, ew don't match on type. 99 * If type is -1, ew don't match on type.
123 */ 100 */
124object * 101object *
125get_archetype_by_skill_name (const char *skill, int type) 102get_archetype_by_skill_name (const char *skill, int type)
126{ 103{
127 archetype * 104 shstr_cmp skill_cmp (skill);
128 at;
129 105
130 if (skill == NULL) 106 for_all_archetypes (at)
131 return NULL; 107 if (at->skill == skill_cmp && (type == -1 || type == at->type))
132
133 for (at = first_archetype; at != NULL; at = at->next)
134 {
135 if (((type == -1) || (type == at->clone.type)) && (!strcmp (at->clone.skill, skill)))
136 return arch_to_object (at); 108 return arch_to_object (at);
137 } 109
138 return NULL; 110 return 0;
139} 111}
140 112
141/* similiar to above - this returns the first archetype 113/* similiar to above - this returns the first archetype
142 * that matches both the type and subtype. type and subtype 114 * that matches both the type and subtype. type and subtype
143 * 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
146 * (eg, skills) 118 * (eg, skills)
147 */ 119 */
148archetype * 120archetype *
149get_archetype_by_type_subtype (int type, int subtype) 121get_archetype_by_type_subtype (int type, int subtype)
150{ 122{
151 archetype * 123 for_all_archetypes (at)
152 at;
153
154 for (at = first_archetype; at != NULL; at = at->next)
155 {
156 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))
157 return at; 125 return at;
158 } 126
159 return NULL; 127 return 0;
160} 128}
161 129
162/** 130/**
163 * 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
164 * (for example, "writing pen" instead of "stylus"). 132 * (for example, "writing pen" instead of "stylus").
172 * but it otherwise had a big memory leak. 140 * but it otherwise had a big memory leak.
173 */ 141 */
174object * 142object *
175get_archetype_by_object_name (const char *name) 143get_archetype_by_object_name (const char *name)
176{ 144{
177 archetype *
178 at;
179 char
180 tmpname[MAX_BUF]; 145 char tmpname[MAX_BUF];
181 int 146 int i;
182 i;
183 147
184 strncpy (tmpname, name, MAX_BUF - 1); 148 assign (tmpname, name);
185 tmpname[MAX_BUF - 1] = 0; 149
186 for (i = strlen (tmpname); i > 0; i--) 150 for (i = strlen (tmpname); i > 0; i--)
187 { 151 {
188 tmpname[i] = 0; 152 tmpname[i] = 0;
153
189 at = find_archetype_by_object_name (tmpname); 154 if (archetype *at = find_archetype_by_object_name (tmpname))
190 if (at != NULL)
191 {
192 return arch_to_object (at); 155 return arch_to_object (at);
193 }
194 } 156 }
157
195 return create_singularity (name); 158 return create_singularity (name);
196} 159}
197 160
198 /* 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
199 * a string seperated lists of things to match, with certain keywords. 162 * a string seperated lists of things to match, with certain keywords.
200 * pl is the player (only needed to set count properly) 163 * pl is the player (only needed to set count properly)
201 * 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
202 * 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
203 * (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
204 * value means a better match. 0 means no match. 167 * value means a better match. 0 means no match.
205 * 168 *
206 * Brief outline of the procedure: 169 * Brief outline of the procedure:
207 * We take apart the name variable into the individual components. 170 * We take apart the name variable into the individual components.
208 * cases for 'all' and unpaid are pretty obvious. 171 * cases for 'all' and unpaid are pretty obvious.
209 * 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
210 * player object.) 173 * player object.)
211 * If count is 1, make a quick check on the name. 174 * If count is 1, make a quick check on the name.
212 * 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.
213 * Last, make a check on the full name. 176 * Last, make a check on the full name.
214 */ 177 */
215int 178int
216item_matched_string (object *pl, object *op, const char *name) 179item_matched_string (object *pl, object *op, const char *name)
217{ 180{
218 char *
219 cp,
220 local_name[MAX_BUF]; 181 char *cp, local_name[MAX_BUF];
221 int 182 int count, retval = 0;
222 count,
223 retval = 0;
224 183
225 strcpy (local_name, name); /* strtok is destructive to name */ 184 assign (local_name, name); /* strtok is destructive to name */
226 185
227 for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ",")) 186 for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))
228 { 187 {
229 while (cp[0] == ' ') 188 while (cp[0] == ' ')
230 ++cp; /* get rid of spaces */ 189 ++cp; /* get rid of spaces */
280 retval = 15; 239 retval = 15;
281 else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp))) 240 else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp)))
282 retval = 14; 241 retval = 14;
283 else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp))) 242 else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp)))
284 retval = 14; 243 retval = 14;
285
286 /* Do substring checks, so things like 'Str+1' will match. 244 /* Do substring checks, so things like 'Str+1' will match.
287 * retval of these should perhaps be lower - they are lower 245 * retval of these should perhaps be lower - they are lower
288 * then the specific strcasecmp aboves, but still higher than 246 * then the specific strcasecmp aboves, but still higher than
289 * some other match criteria. 247 * some other match criteria.
290 */ 248 */
292 retval = 12; 250 retval = 12;
293 else if (strstr (query_base_name (op, 0), cp)) 251 else if (strstr (query_base_name (op, 0), cp))
294 retval = 12; 252 retval = 12;
295 else if (strstr (query_short_name (op), cp)) 253 else if (strstr (query_short_name (op), cp))
296 retval = 12; 254 retval = 12;
297
298 /* Check against plural/non plural based on count. */ 255 /* Check against plural/non plural based on count. */
299 else if (count > 1 && !strcasecmp (cp, op->name_pl)) 256 else if (count > 1 && !strcasecmp (cp, op->name_pl))
300 {
301 retval = 6; 257 retval = 6;
302 }
303 else if (count == 1 && !strcasecmp (op->name, cp)) 258 else if (count == 1 && !strcasecmp (op->name, cp))
304 {
305 retval = 6; 259 retval = 6;
306 }
307 /* base name matched - not bad */ 260 /* base name matched - not bad */
308 else if (strcasecmp (cp, op->name) == 0 && !count) 261 else if (strcasecmp (cp, op->name) == 0 && !count)
309 retval = 4; 262 retval = 4;
310 /* Check for partial custom name, but give a real low priority */ 263 /* Check for partial custom name, but give a real low priority */
311 else if (op->custom_name && strstr (op->custom_name, cp)) 264 else if (op->custom_name && strstr (op->custom_name, cp))
313 266
314 if (retval) 267 if (retval)
315 { 268 {
316 if (pl->type == PLAYER) 269 if (pl->type == PLAYER)
317 pl->contr->count = count; 270 pl->contr->count = count;
271
318 return retval; 272 return retval;
319 } 273 }
320 } 274 }
275
321 return 0; 276 return 0;
322} 277}
323 278
324/* 279archetype::archetype (const char *name)
325 * Initialises the internal linked list of archetypes (read from file). 280{
326 * Then the global "empty_archetype" pointer is initialised. 281 stub = true;
327 * Then the blocksview[] array is initialised. 282 arch = this;
328 */ 283 this->archname = this->name = this->name_pl = name;
284}
285
286archetype::~archetype ()
287{
288 unlink ();
289}
329 290
330void 291void
331init_archetypes (void) 292archetype::link ()
332{ /* called from add_player() and edit() */ 293{
333 if (first_archetype != NULL) /* Only do this once */ 294 ht.insert (std::make_pair (archname, this));
334 return;
335 arch_init = 1;
336 load_archetypes ();
337 arch_init = 0;
338 empty_archetype = find_archetype ("empty_archetype");
339 295
340/* init_blocksview();*/ 296 if (!archetypes.contains (this))
297 archetypes.insert (this);
341} 298}
342
343/*
344 * Stores debug-information about how efficient the hashtable
345 * used for archetypes has been in the static errmsg array.
346 */
347 299
348void 300void
349arch_info (object *op) 301archetype::unlink ()
350{ 302{
351 sprintf (errmsg, "%d searches and %d strcmp()'s", arch_search, arch_cmp); 303 ht.erase (archname);
352 new_draw_info (NDI_BLACK, 0, op, errmsg);
353}
354 304
355/* 305 if (archetypes.contains (this))
356 * Initialise the hashtable used by the archetypes. 306 archetypes.erase (this);
357 */ 307}
358 308
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 */
359void 491void
360clear_archetable (void) 492init_archetype_pointers ()
361{ 493{
362 memset ((void *) arch_table, 0, ARCHTABLE * sizeof (archetype *)); 494 ring_arch = archetype::find ("ring");
363} 495 amulet_arch = archetype::find ("amulet");
364 496 staff_arch = archetype::find ("staff");
365/* 497 crown_arch = archetype::find ("crown");
366 * An alternative way to init the hashtable which is slower, but _works_... 498 empty_archetype = archetype::find ("empty_archetype");
367 */
368
369void
370init_archetable (void)
371{
372 archetype *
373 at;
374
375 LOG (llevDebug, " Setting up archetable...\n");
376
377 for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
378 add_arch (at);
379
380 LOG (llevDebug, "done\n");
381}
382
383/*
384 * Dumps an archetype to debug-level output.
385 */
386
387void
388dump_arch (archetype *at)
389{
390 dump_object (&at->clone);
391}
392
393/*
394 * Dumps _all_ archetypes to debug-level output.
395 * If you run crossfire with debug, and enter DM-mode, you can trigger
396 * this with the O key.
397 */
398
399void
400dump_all_archetypes (void)
401{
402 archetype *
403 at;
404
405 for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
406 {
407 dump_arch (at);
408 fprintf (logfile, "%s\n", errmsg);
409 }
410}
411
412void
413free_all_archs (void)
414{
415 archetype *
416 at, *
417 next;
418 int
419 i = 0, f = 0;
420
421 for (at = first_archetype; at != NULL; at = next)
422 {
423 if (at->more)
424 next = at->more;
425 else
426 next = at->next;
427
428 delete at;
429 i++;
430 }
431 LOG (llevDebug, "Freed %d archetypes, %d faces\n", i, f);
432}
433
434archetype::archetype ()
435{
436 clear_object (&clone); /* to initial state other also */
437 CLEAR_FLAG (&clone, FLAG_FREED); /* This shouldn't matter, since copy_object() */
438 SET_FLAG (&clone, FLAG_REMOVED); /* doesn't copy these flags... */
439}
440
441archetype::~archetype ()
442{
443}
444
445/*
446 * Reads/parses the archetype-file, and copies into a linked list
447 * of archetype-structures.
448 */
449void
450first_arch_pass (object_thawer & fp)
451{
452 archetype *
453 at, *
454 head = NULL, *last_more = NULL;
455
456 at->clone.arch = first_archetype = at = new archetype;
457
458 while (int i = load_object (fp, &at->clone, 0))
459 {
460 at->clone.speed_left = (float) (-0.1);
461 /* copy the body_info to the body_used - this is only really
462 * need for monsters, but doesn't hurt to do it for everything.
463 * by doing so, when a monster is created, it has good starting
464 * values for the body_used info, so when items are created
465 * for it, they can be properly equipped.
466 */
467 memcpy (&at->clone.body_used, &at->clone.body_info, sizeof (at->clone.body_info));
468
469 switch (i)
470 {
471 case LL_NORMAL: /* A new archetype, just link it with the previous */
472 if (last_more != NULL)
473 last_more->next = at;
474 if (head != NULL)
475 head->next = at;
476 head = last_more = at;
477#if 0
478 if (!op->type)
479 LOG (llevDebug, " WARNING: Archetype %s has no type info!\n", op->arch->name);
480#endif
481 at->tail_x = 0;
482 at->tail_y = 0;
483 break;
484
485 case LL_MORE: /* Another part of the previous archetype, link it correctly */
486
487 at->head = head;
488 at->clone.head = &head->clone;
489 if (last_more != NULL)
490 {
491 last_more->more = at;
492 last_more->clone.more = &at->clone;
493 }
494 last_more = at;
495
496 /* If this multipart image is still composed of individual small
497 * images, don't set the tail_.. values. We can't use them anyways,
498 * and setting these to zero makes the map sending to the client much
499 * easier as just looking at the head, we know what to do.
500 */
501 if (at->clone.face != head->clone.face)
502 {
503 head->tail_x = 0;
504 head->tail_y = 0;
505 }
506 else
507 {
508 if (at->clone.x > head->tail_x)
509 head->tail_x = at->clone.x;
510 if (at->clone.y > head->tail_y)
511 head->tail_y = at->clone.y;
512 }
513 break;
514
515 }
516
517 at = new archetype;
518
519 at->clone.arch = at;
520 }
521
522 delete
523 at;
524}
525
526/*
527 * Reads the archetype file once more, and links all pointers between
528 * archetypes.
529 */
530
531void
532second_arch_pass (object_thawer & thawer)
533{
534 char
535 buf[MAX_BUF], *
536 variable = buf, *argument, *cp;
537 archetype *
538 at = NULL, *other;
539
540 while (fgets (buf, MAX_BUF, thawer) != NULL)
541 {
542 if (*buf == '#')
543 continue;
544 if ((argument = strchr (buf, ' ')) != NULL)
545 {
546 *argument = '\0', argument++;
547 cp = argument + strlen (argument) - 1;
548 while (isspace (*cp))
549 {
550 *cp = '\0';
551 cp--;
552 }
553 }
554 if (!strcmp ("Object", variable))
555 {
556 if ((at = find_archetype (argument)) == NULL)
557 LOG (llevError, "Warning: failed to find arch %s\n", argument);
558 }
559 else if (!strcmp ("other_arch", variable))
560 {
561 if (at != NULL && at->clone.other_arch == NULL)
562 {
563 if ((other = find_archetype (argument)) == NULL)
564 LOG (llevError, "Warning: failed to find other_arch %s\n", argument);
565 else if (at != NULL)
566 at->clone.other_arch = other;
567 }
568 }
569 else if (!strcmp ("randomitems", variable))
570 {
571 if (at != NULL)
572 {
573 treasurelist *
574 tl = find_treasurelist (argument);
575
576 if (tl == NULL)
577 LOG (llevError, "Failed to link treasure to arch (%s): %s\n", &at->name, argument);
578 else
579 at->clone.randomitems = tl;
580 }
581 }
582 }
583}
584
585#ifdef DEBUG
586void
587check_generators (void)
588{
589 archetype *
590 at;
591
592 for (at = first_archetype; at != NULL; at = at->next)
593 if (QUERY_FLAG (&at->clone, FLAG_GENERATOR) && at->clone.other_arch == NULL)
594 LOG (llevError, "Warning: %s is generator but lacks other_arch.\n", &at->name);
595}
596#endif
597
598/*
599 * First initialises the archtype hash-table (init_archetable()).
600 * Reads and parses the archetype file (with the first and second-pass
601 * functions).
602 * Then initialises treasures by calling load_treasures().
603 */
604
605void
606load_archetypes (void)
607{
608 char
609 filename[MAX_BUF];
610
611#if TIME_ARCH_LOAD
612 struct timeval
613 tv1,
614 tv2;
615#endif
616
617 sprintf (filename, "%s/%s", settings.datadir, settings.archetypes);
618 LOG (llevDebug, "Reading archetypes from %s:\n", filename);
619
620 {
621 object_thawer thawer (filename);
622
623 clear_archetable ();
624 LOG (llevDebug, " arch-pass 1...\n");
625 first_arch_pass (thawer);
626 LOG (llevDebug, " done\n");
627 }
628
629 init_archetable ();
630 warn_archetypes = 1;
631
632 {
633 object_thawer 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} 499}
646 500
647/* 501/*
648 * 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.
649 * This function returns NULL on failure. 503 * This function returns NULL on failure.
650 */ 504 */
651
652object * 505object *
653arch_to_object (archetype *at) 506arch_to_object (archetype *at)
654{ 507{
655 object * 508 if (!at)
656 op;
657
658 if (at == NULL)
659 { 509 {
660 if (warn_archetypes)
661 LOG (llevError, "Couldn't find archetype.\n"); 510 LOG (llevError, "Couldn't find archetype.\n");
662
663 return NULL; 511 return 0;
664 } 512 }
665 513
666 op = get_object (); 514 object *op = at->clone ();
667 copy_object (&at->clone, op);
668 op->arch = at; 515 op->arch = at;
669 op->instantiate (); 516 op->instantiate ();
517
670 return op; 518 return op;
671} 519}
672 520
673/* 521/*
674 * Creates an object. This function is called by get_archetype() 522 * Creates an object. This function is called by get_archetype()
675 * if it fails to find the appropriate archetype. 523 * if it fails to find the appropriate archetype.
676 * Thus get_archetype() will be guaranteed to always return 524 * Thus get_archetype() will be guaranteed to always return
677 * an object, and never NULL. 525 * an object, and never NULL.
678 */ 526 */
679
680object * 527object *
681create_singularity (const char *name) 528create_singularity (const char *name)
682{ 529{
683 object * 530 LOG (llevError | logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
684 op; 531
685 char 532 if (!strcmp (name, "bug"))
533 abort ();
534
686 buf[MAX_BUF]; 535 char buf[MAX_BUF];
536 sprintf (buf, "bug, please report (%s)", name);
687 537
688 sprintf (buf, "%s (%s)", ARCH_SINGULARITY, name); 538 object *op = get_archetype ("bug");
689 op = get_object ();
690 op->name = op->name_pl = buf; 539 op->name = op->name_pl = buf;
691 SET_FLAG (op, FLAG_NO_PICK); 540
692 return op; 541 return op;
693} 542}
694 543
695/* 544/*
696 * Finds which archetype matches the given name, and returns a new 545 * Finds which archetype matches the given name, and returns a new
697 * object containing a copy of the archetype. 546 * object containing a copy of the archetype.
698 */ 547 */
699
700object * 548object *
701get_archetype (const char *name) 549get_archetype (const char *name)
702{ 550{
703 archetype * 551 archetype *at = archetype::find (name);
704 at;
705 552
706 at = find_archetype (name); 553 if (!at)
707 if (at == NULL)
708 return create_singularity (name); 554 return create_singularity (name);
709 555
710 return arch_to_object (at); 556 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 HT::const_iterator 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} 557}
824 558
825/* 559/*
826 * Returns the first archetype using the given type. 560 * Returns the first archetype using the given type.
827 * Used in treasure-generation. 561 * Used in treasure-generation.
828 */ 562 */
829
830archetype * 563archetype *
831type_to_archetype (int type) 564type_to_archetype (int type)
832{ 565{
833 archetype * 566 for_all_archetypes (at)
834 at; 567 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; 568 return at;
569
839 return NULL; 570 return 0;
840} 571}
841 572
842/* 573/*
843 * Returns a new object copied from the first archetype matching 574 * Returns a new object copied from the first archetype matching
844 * the given type. 575 * the given type.
845 * Used in treasure-generation. 576 * Used in treasure-generation.
846 */ 577 */
847
848object * 578object *
849clone_arch (int type) 579clone_arch (int type)
850{ 580{
851 archetype * 581 archetype *at;
852 at;
853 object *
854 op = get_object ();
855 582
856 if ((at = type_to_archetype (type)) == NULL) 583 if ((at = type_to_archetype (type)) == NULL)
857 { 584 {
858 LOG (llevError, "Can't clone archetype %d\n", type); 585 LOG (llevError, "Can't clone archetype %d\n", type);
859 free_object (op);
860 return NULL; 586 return 0;
861 } 587 }
862 copy_object (&at->clone, op); 588
589 object *op = at->clone ();
863 op->instantiate (); 590 op->instantiate ();
864 return op; 591 return op;
865} 592}
866 593
867/* 594/*
868 * member: make instance from class 595 * member: make instance from class
869 */ 596 */
870
871object * 597object *
872object_create_arch (archetype *at) 598object_create_arch (archetype *at)
873{ 599{
874 object * 600 object *op, *prev = 0, *head = 0;
875 op, *
876 prev = NULL, *head = NULL;
877 601
878 while (at) 602 while (at)
879 { 603 {
880 op = arch_to_object (at); 604 op = arch_to_object (at);
605
881 op->x = at->clone.x; 606 op->x = at->x;
882 op->y = at->clone.y; 607 op->y = at->y;
608
883 if (head) 609 if (head)
884 op->head = head, prev->more = op; 610 op->head = head, prev->more = op;
611
885 if (!head) 612 if (!head)
886 head = op; 613 head = op;
614
887 prev = op; 615 prev = op;
888 at = at->more; 616 at = (archetype *)at->more;
889 } 617 }
618
890 return (head); 619 return head;
891} 620}
892 621
893/*** end of arch.c ***/

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