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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 1.73 by root, Sun Apr 20 00:44:12 2008 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 1.15 2006/09/10 13:20:12 root Exp $"; 3 *
5 */ 4 * Copyright (©) 2005,2006,2007,2008 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 32
42static void add_arch (archetype *at); 33archetype *loading_arch; // ugly flag to object laoder etc. to suppress/request special processing
34archetype *archetype::empty;
43 35
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
49/* The naming of these functions is really poor - they are all
50 * pretty much named '.._arch_...', but they may more may not
51 * return archetypes. Some make the arch_to_object call, and thus
52 * return an object. Perhaps those should be called 'archob' functions
53 * to denote they return an object derived from the archetype.
54 * MSW 2003-04-29
55 */
56
57#if USE_UNORDERED_MAP
58// the hashtable 36// the hashtable
59typedef
60 std::tr1::unordered_map < 37typedef std::tr1::unordered_map
61size_t, archetype *> 38 <
39 const char *,
40 arch_ptr,
41 str_hash,
42 str_equal,
43 slice_allocator< std::pair<const char *const, arch_ptr> >
62 HT; 44 > HT;
63 45
64static HT 46static HT ht (5000);
65 ht; 47archvec archetypes;
66#endif 48
49// the vector of other_arch references to be resolved
50static std::vector< std::pair<arch_ptr *, shstr> > postponed_arch_ref;
51// the vector of loaded but not yet committed archetypes
52static std::vector<archetype *> postponed_arch;
67 53
68/** 54/**
69 * GROS - This function retrieves an archetype given the name that appears 55 * GROS - This function retrieves an archetype given the name that appears
70 * during the game (for example, "writing pen" instead of "stylus"). 56 * 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. 57 * It does not use the hashtable system, but browse the whole archlist each time.
77 * - the archetype found or null if nothing was found. 63 * - the archetype found or null if nothing was found.
78 */ 64 */
79archetype * 65archetype *
80find_archetype_by_object_name (const char *name) 66find_archetype_by_object_name (const char *name)
81{ 67{
82 archetype * 68 shstr_cmp name_cmp (name);
83 at;
84 69
85 if (name == NULL) 70 for_all_archetypes (at)
86 return (archetype *) NULL; 71 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; 72 return at;
92 } 73
93 return NULL; 74 return 0;
94} 75}
95 76
96/** 77/**
97 * This function retrieves an archetype by type and name that appears during 78 * 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() 79 * the game. It is basically the same as find_archetype_by_object_name()
99 * except that it considers only items of the given type. 80 * except that it considers only items of the given type.
100 */ 81 */
101archetype * 82archetype *
102find_archetype_by_object_type_name (int type, const char *name) 83find_archetype_by_object_type_name (int type, const char *name)
103{ 84{
104 archetype * 85 shstr_cmp name_cmp (name);
105 at;
106 86
107 if (name == NULL) 87 for_all_archetypes (at)
108 return NULL; 88 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; 89 return at;
114 }
115 90
116 return NULL; 91 return 0;
117} 92}
118 93
119/* This is a lot like the above function. Instead, we are trying to match 94/* 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 95 * 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). 96 * against (eg, to only match against skills or only skill objects for example).
122 * If type is -1, ew don't match on type. 97 * If type is -1, ew don't match on type.
123 */ 98 */
124object * 99object *
125get_archetype_by_skill_name (const char *skill, int type) 100get_archetype_by_skill_name (const char *skill, int type)
126{ 101{
127 archetype * 102 shstr_cmp skill_cmp (skill);
128 at;
129 103
130 if (skill == NULL) 104 for_all_archetypes (at)
131 return NULL; 105 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); 106 return arch_to_object (at);
137 } 107
138 return NULL; 108 return 0;
139} 109}
140 110
141/* similiar to above - this returns the first archetype 111/* similiar to above - this returns the first archetype
142 * that matches both the type and subtype. type and subtype 112 * 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 113 * can be -1 to say ignore, but in this case, the match it does
146 * (eg, skills) 116 * (eg, skills)
147 */ 117 */
148archetype * 118archetype *
149get_archetype_by_type_subtype (int type, int subtype) 119get_archetype_by_type_subtype (int type, int subtype)
150{ 120{
151 archetype * 121 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)) 122 if ((type == -1 || type == at->type) && (subtype == -1 || subtype == at->subtype))
157 return at; 123 return at;
158 } 124
159 return NULL; 125 return 0;
160} 126}
161 127
162/** 128/**
163 * GROS - this returns a new object given the name that appears during the game 129 * GROS - this returns a new object given the name that appears during the game
164 * (for example, "writing pen" instead of "stylus"). 130 * (for example, "writing pen" instead of "stylus").
172 * but it otherwise had a big memory leak. 138 * but it otherwise had a big memory leak.
173 */ 139 */
174object * 140object *
175get_archetype_by_object_name (const char *name) 141get_archetype_by_object_name (const char *name)
176{ 142{
177 archetype *
178 at;
179 char
180 tmpname[MAX_BUF]; 143 char tmpname[MAX_BUF];
181 int 144 int i;
182 i;
183 145
184 strncpy (tmpname, name, MAX_BUF - 1); 146 assign (tmpname, name);
185 tmpname[MAX_BUF - 1] = 0; 147
186 for (i = strlen (tmpname); i > 0; i--) 148 for (i = strlen (tmpname); i > 0; i--)
187 { 149 {
188 tmpname[i] = 0; 150 tmpname[i] = 0;
151
189 at = find_archetype_by_object_name (tmpname); 152 if (archetype *at = find_archetype_by_object_name (tmpname))
190 if (at != NULL)
191 {
192 return arch_to_object (at); 153 return arch_to_object (at);
193 }
194 } 154 }
155
195 return create_singularity (name); 156 return create_singularity (name);
196} 157}
197 158
198 /* This is a subset of the parse_id command. Basically, name can be 159/* 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. 160 * a string seperated lists of things to match, with certain keywords.
200 * pl is the player (only needed to set count properly) 161 * pl is the player (only needed to set count properly)
201 * op is the item we are trying to match. Calling function takes care 162 * 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 163 * 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 164 * (pickup, drop, etc.) Return NONZERO if we have a match. A higher
204 * value means a better match. 0 means no match. 165 * value means a better match. 0 means no match.
205 * 166 *
206 * Brief outline of the procedure: 167 * Brief outline of the procedure:
207 * We take apart the name variable into the individual components. 168 * We take apart the name variable into the individual components.
208 * cases for 'all' and unpaid are pretty obvious. 169 * cases for 'all' and unpaid are pretty obvious.
209 * Next, we check for a count (either specified in name, or in the 170 * Next, we check for a count (either specified in name, or in the
210 * player object.) 171 * player object.)
211 * If count is 1, make a quick check on the name. 172 * 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. 173 * IF count is >1, we need to make plural name. Return if match.
213 * Last, make a check on the full name. 174 * Last, make a check on the full name.
214 */ 175 */
215int 176int
216item_matched_string (object *pl, object *op, const char *name) 177item_matched_string (object *pl, object *op, const char *name)
217{ 178{
218 char *
219 cp,
220 local_name[MAX_BUF]; 179 char *cp, local_name[MAX_BUF];
221 int 180 int count, retval = 0;
222 count,
223 retval = 0;
224 181
225 strcpy (local_name, name); /* strtok is destructive to name */ 182 assign (local_name, name); /* strtok is destructive to name */
226 183
227 for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ",")) 184 for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))
228 { 185 {
229 while (cp[0] == ' ') 186 while (cp[0] == ' ')
230 ++cp; /* get rid of spaces */ 187 ++cp; /* get rid of spaces */
280 retval = 15; 237 retval = 15;
281 else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp))) 238 else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp)))
282 retval = 14; 239 retval = 14;
283 else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp))) 240 else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp)))
284 retval = 14; 241 retval = 14;
285
286 /* Do substring checks, so things like 'Str+1' will match. 242 /* Do substring checks, so things like 'Str+1' will match.
287 * retval of these should perhaps be lower - they are lower 243 * retval of these should perhaps be lower - they are lower
288 * then the specific strcasecmp aboves, but still higher than 244 * then the specific strcasecmp aboves, but still higher than
289 * some other match criteria. 245 * some other match criteria.
290 */ 246 */
292 retval = 12; 248 retval = 12;
293 else if (strstr (query_base_name (op, 0), cp)) 249 else if (strstr (query_base_name (op, 0), cp))
294 retval = 12; 250 retval = 12;
295 else if (strstr (query_short_name (op), cp)) 251 else if (strstr (query_short_name (op), cp))
296 retval = 12; 252 retval = 12;
297
298 /* Check against plural/non plural based on count. */ 253 /* Check against plural/non plural based on count. */
299 else if (count > 1 && !strcasecmp (cp, op->name_pl)) 254 else if (count > 1 && !strcasecmp (cp, op->name_pl))
300 {
301 retval = 6; 255 retval = 6;
302 }
303 else if (count == 1 && !strcasecmp (op->name, cp)) 256 else if (count == 1 && !strcasecmp (op->name, cp))
304 {
305 retval = 6; 257 retval = 6;
306 }
307 /* base name matched - not bad */ 258 /* base name matched - not bad */
308 else if (strcasecmp (cp, op->name) == 0 && !count) 259 else if (strcasecmp (cp, op->name) == 0 && !count)
309 retval = 4; 260 retval = 4;
310 /* Check for partial custom name, but give a real low priority */ 261 /* Check for partial custom name, but give a real low priority */
311 else if (op->custom_name && strstr (op->custom_name, cp)) 262 else if (op->custom_name && strstr (op->custom_name, cp))
313 264
314 if (retval) 265 if (retval)
315 { 266 {
316 if (pl->type == PLAYER) 267 if (pl->type == PLAYER)
317 pl->contr->count = count; 268 pl->contr->count = count;
269
318 return retval; 270 return retval;
319 } 271 }
320 } 272 }
273
321 return 0; 274 return 0;
322} 275}
323 276
324/* 277archetype::archetype (const char *name)
325 * Initialises the internal linked list of archetypes (read from file). 278{
326 * Then the global "empty_archetype" pointer is initialised. 279 arch = this;
327 * Then the blocksview[] array is initialised. 280 this->archname = this->name = this->name_pl = name;
328 */ 281}
282
283archetype::~archetype ()
284{
285 unlink ();
286}
329 287
330void 288void
331init_archetypes (void) 289archetype::link ()
332{ /* called from add_player() and edit() */ 290{
333 if (first_archetype != NULL) /* Only do this once */ 291 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");
339 292
340/* init_blocksview();*/ 293 if (!archetypes.contains (this))
294 archetypes.insert (this);
341} 295}
342
343/*
344 * Stores debug-information about how efficient the hashtable
345 * used for archetypes has been in the static errmsg array.
346 */
347 296
348void 297void
349arch_info (object *op) 298archetype::unlink ()
350{ 299{
351 sprintf (errmsg, "%d searches and %d strcmp()'s", arch_search, arch_cmp); 300 ht.erase (archname);
352 new_draw_info (NDI_BLACK, 0, op, errmsg);
353}
354 301
302 if (archetypes.contains (this))
303 archetypes.erase (this);
304}
305
355/* 306/*
356 * Initialise the hashtable used by the archetypes. 307 * Finds, using the hashtable, which archetype matches the given name.
308 * returns a pointer to the found archetype, otherwise NULL.
357 */ 309 */
310archetype *
311archetype::find (const char *name)
312{
313 if (!name)
314 return 0;
315
316 auto (i, ht.find (name));
317
318 if (i == ht.end ())
319 return 0;
320 else
321 return i->second;
322}
323
324archetype *
325archetype::read (object_thawer &f)
326{
327 assert (f.kw == KW_object);
328
329 std::vector<archetype *> parts;
330
331 coroapi::cede_to_tick ();
332
333 for (;;)
334 {
335 archetype *at = new archetype (f.get_str ());
336
337 f.next ();
338
339#if 0
340 // implementing it here in the server does neither allow multiple inheritence
341 // nor does it cleanly "just override". it would allow use in map files, though,
342 // and other resource files dynamically laoded (as opposed to being preprocessed).
343 // not that any of this is relevant as of yet...
344 if (f.kw == KW_inherit)
345 {
346 if (archetype *at = find (f.get_str ()))
347 *op = at->clone;
348 else
349 LOG (llevError, "archetype '%s' tries to inherit from non-existent archetype '%s'.\n",
350 &at->archname, f.get_str ());
351
352 f.next ();
353 }
354#endif
355
356 loading_arch = at; // hack to tell parse_kv et al. to behave
357 bool parse_ok = at->parse_kv (f);
358 loading_arch = 0;
359
360 if (!parse_ok)
361 goto fail;
362
363 loading_arch = at; // hack to tell parse_kv et al. to behave
364 at->post_load_check ();
365 loading_arch = 0;
366
367 parts.push_back (at);
368
369 if (f.kw != KW_more)
370 break;
371
372 f.next ();
373
374 if (f.kw != KW_object)
375 {
376 f.parse_error ("more object");
377 goto fail;
378 }
379 }
380
381 {
382 auto (at, parts.begin ());
383
384 archetype *new_head = parts.front ();
385 archetype *old_head = find (new_head->archname);
386
387 if (old_head && !old_head->is_head ())
388 {
389 LOG (llevError, "%s: unable to overwrite non-head archetype '%s' with head archetype, skipping.\n",
390 &new_head->archname, &old_head->archname);
391 goto fail;
392 }
393
394 // check that all archetypes belong to the same old object or are new
395 for (auto (at, parts.begin ()); at != parts.end (); ++at)
396 {
397 archetype *new_part = *at;
398 archetype *old_part = find (new_part->archname);
399
400 if (old_part && old_part->head_ () != old_head)
401 {
402 LOG (llevError, "%s: unable to overwrite archetype '%s' with archetype of different object, skipping.\n",
403 &new_part->archname, &((archetype *)old_part->head_ ())->archname);
404 goto fail;
405 }
406 }
407
408 // assemble new chain
409 new_head->min_x = new_head->max_x = new_head->x;
410 new_head->min_y = new_head->max_y = new_head->y;
411
412 archetype *less = new_head;
413 for (auto (p, parts.begin () + 1); p != parts.end (); ++p)
414 {
415 archetype *at = *p;
416
417 // some flags get inherited formt he head (probably a lot more)
418 // doing it here doesn't feel too cozy, but it allows code
419 // to ignore head checks for these flags, which saves time
420 at->flag [FLAG_ALIVE] = new_head->flag [FLAG_ALIVE];
421 at->flag [FLAG_NO_PICK] = new_head->flag [FLAG_NO_PICK];
422 at->flag [FLAG_MONSTER] = new_head->flag [FLAG_MONSTER];
423 at->flag [FLAG_IS_FLOOR] = new_head->flag [FLAG_IS_FLOOR];
424
425 if (at->x < new_head->min_x) new_head->min_x = at->x;
426 if (at->y < new_head->min_y) new_head->min_y = at->y;
427 if (at->x > new_head->max_x) new_head->max_x = at->x;
428 if (at->y > new_head->max_y) new_head->max_y = at->y;
429
430 at->head = new_head;
431 less->more = at;
432 less = at;
433 }
434
435 postponed_arch.insert (postponed_arch.end (), parts.begin (), parts.end ());
436
437 return new_head;
438 }
439
440fail:
441 for (auto (p, parts.begin ()); p != parts.end (); ++p)
442 (*p)->destroy (true);
443
444 return 0;
445}
358 446
359void 447void
360clear_archetable (void) 448archetype::postpone_arch_ref (arch_ptr &ref, const_utf8_string other_arch)
361{ 449{
362 memset ((void *) arch_table, 0, ARCHTABLE * sizeof (archetype *)); 450 ref = 0;
451 postponed_arch_ref.push_back (std::pair<arch_ptr *, shstr>(&ref, shstr (other_arch)));
363} 452}
364
365/*
366 * An alternative way to init the hashtable which is slower, but _works_...
367 */
368 453
369void 454void
370init_archetable (void) 455archetype::commit_load ()
371{ 456{
372 archetype * 457 // unlink old archetypes and link in new ones */
373 at; 458 for (auto (p, postponed_arch.begin ()); p != postponed_arch.end (); ++p)
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 } 459 {
410} 460 archetype *at = *p;
411 461
412void 462 if (archetype *old = find (at->archname))
413free_all_archs (void) 463 old->unlink ();
414{
415 archetype *
416 at, *
417 next;
418 int
419 i = 0, f = 0;
420 464
421 for (at = first_archetype; at != NULL; at = next) 465 at->link ();
422 { 466 }
423 if (at->more)
424 next = at->more;
425 else
426 next = at->next;
427 467
428 delete at; 468 postponed_arch.clear ();
429 i++; 469
470 // now resolve arch references
471 for (auto (p, postponed_arch_ref.begin ()); p != postponed_arch_ref.end (); ++p)
430 } 472 {
431 LOG (llevDebug, "Freed %d archetypes, %d faces\n", i, f); 473 arch_ptr *ap = p->first;
432} 474 archetype *at = find (p->second);
433 475
434archetype::archetype () 476 if (!at)
435{ 477 LOG (llevError, "unable to resolve postponed arch reference to '%s'", &p->second);
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}
440 478
441archetype::~archetype () 479 *ap = at;
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 { 480 }
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));
468 481
469 switch (i) 482 postponed_arch_ref.clear ();
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;
484 483
485 case LL_MORE: /* Another part of the previous archetype, link it correctly */ 484 empty = find (shstr_empty_archetype);
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} 485}
646 486
647/* 487/*
648 * Creates and returns a new object which is a copy of the given archetype. 488 * Creates and returns a new object which is a copy of the given archetype.
649 * This function returns NULL on failure. 489 * This function returns NULL on failure.
650 */ 490 */
651
652object * 491object *
653arch_to_object (archetype *at) 492arch_to_object (archetype *at)
654{ 493{
655 object * 494 if (!at)
656 op;
657
658 if (at == NULL)
659 { 495 {
660 if (warn_archetypes)
661 LOG (llevError, "Couldn't find archetype.\n"); 496 LOG (llevError, "Couldn't find archetype.\n");
662
663 return NULL; 497 return 0;
664 } 498 }
665 499
666 op = get_object (); 500 object *op = at->clone ();
667 copy_object (&at->clone, op);
668 op->arch = at; 501 op->arch = at;
669 op->instantiate (); 502 op->instantiate ();
503
670 return op; 504 return op;
505}
506
507object *
508archetype::instance ()
509{
510 return arch_to_object (this);
671} 511}
672 512
673/* 513/*
674 * Creates an object. This function is called by get_archetype() 514 * Creates an object. This function is called by get_archetype()
675 * if it fails to find the appropriate archetype. 515 * if it fails to find the appropriate archetype.
676 * Thus get_archetype() will be guaranteed to always return 516 * Thus get_archetype() will be guaranteed to always return
677 * an object, and never NULL. 517 * an object, and never NULL.
678 */ 518 */
679
680object * 519object *
681create_singularity (const char *name) 520create_singularity (const char *name)
682{ 521{
683 object * 522 LOG (llevError | logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
684 op; 523
685 char 524 if (!strcmp (name, "bug"))
525 abort ();
526
686 buf[MAX_BUF]; 527 char buf[MAX_BUF];
528 sprintf (buf, "bug, please report (%s)", name);
687 529
688 sprintf (buf, "%s (%s)", ARCH_SINGULARITY, name); 530 object *op = get_archetype ("bug");
689 op = get_object ();
690 op->name = op->name_pl = buf; 531 op->name = op->name_pl = buf;
691 SET_FLAG (op, FLAG_NO_PICK); 532
692 return op; 533 return op;
693} 534}
694 535
695/* 536/*
696 * Finds which archetype matches the given name, and returns a new 537 * Finds which archetype matches the given name, and returns a new
697 * object containing a copy of the archetype. 538 * object containing a copy of the archetype.
698 */ 539 */
699
700object * 540object *
701get_archetype (const char *name) 541get_archetype (const char *name)
702{ 542{
703 archetype * 543 archetype *at = archetype::find (name);
704 at;
705 544
706 at = find_archetype (name); 545 if (!at)
707 if (at == NULL)
708 return create_singularity (name); 546 return create_singularity (name);
709 547
710 return arch_to_object (at); 548 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} 549}
824 550
825/* 551/*
826 * Returns the first archetype using the given type. 552 * Returns the first archetype using the given type.
827 * Used in treasure-generation. 553 * Used in treasure-generation.
828 */ 554 */
829
830archetype * 555archetype *
831type_to_archetype (int type) 556type_to_archetype (int type)
832{ 557{
833 archetype * 558 for_all_archetypes (at)
834 at; 559 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; 560 return at;
561
839 return NULL; 562 return 0;
840} 563}
841 564
842/* 565/*
843 * Returns a new object copied from the first archetype matching 566 * Returns a new object copied from the first archetype matching
844 * the given type. 567 * the given type.
845 * Used in treasure-generation. 568 * Used in treasure-generation.
846 */ 569 */
847
848object * 570object *
849clone_arch (int type) 571clone_arch (int type)
850{ 572{
851 archetype * 573 archetype *at;
852 at;
853 object *
854 op = get_object ();
855 574
856 if ((at = type_to_archetype (type)) == NULL) 575 if ((at = type_to_archetype (type)) == NULL)
857 { 576 {
858 LOG (llevError, "Can't clone archetype %d\n", type); 577 LOG (llevError, "Can't clone archetype %d\n", type);
859 free_object (op);
860 return NULL; 578 return 0;
861 } 579 }
862 copy_object (&at->clone, op); 580
581 object *op = at->clone ();
863 op->instantiate (); 582 op->instantiate ();
864 return op; 583 return op;
865} 584}
866 585
867/* 586/*
868 * member: make instance from class 587 * member: make instance from class
869 */ 588 */
870
871object * 589object *
872object_create_arch (archetype *at) 590object_create_arch (archetype *at)
873{ 591{
874 object * 592 object *op, *prev = 0, *head = 0;
875 op, *
876 prev = NULL, *head = NULL;
877 593
878 while (at) 594 while (at)
879 { 595 {
880 op = arch_to_object (at); 596 op = arch_to_object (at);
597
881 op->x = at->clone.x; 598 op->x = at->x;
882 op->y = at->clone.y; 599 op->y = at->y;
600
883 if (head) 601 if (head)
884 op->head = head, prev->more = op; 602 op->head = head, prev->more = op;
603
885 if (!head) 604 if (!head)
886 head = op; 605 head = op;
606
887 prev = op; 607 prev = op;
888 at = at->more; 608 at = (archetype *)at->more;
889 } 609 }
610
890 return (head); 611 return head;
891} 612}
892 613
893/*** end of arch.c ***/

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