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Comparing deliantra/server/common/arch.C (file contents):
Revision 1.12 by root, Mon Sep 4 17:16:19 2006 UTC vs.
Revision 1.65 by root, Thu Jun 7 18:55:24 2007 UTC

1/* 1/*
2 * static char *rcsid_arch_c = 2 * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game.
3 * "$Id: arch.C,v 1.12 2006/09/04 17:16:19 root Exp $"; 3 *
4 */ 4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5
6/*
7 CrossFire, A Multiplayer game for X-windows
8
9 Copyright (C) 2002 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
10 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
11 7 *
12 This program is free software; you can redistribute it and/or modify 8 * Crossfire TRT is free software; you can redistribute it and/or modify it
13 it under the terms of the GNU General Public License as published by 9 * under the terms of the GNU General Public License as published by the Free
14 the Free Software Foundation; either version 2 of the License, or 10 * Software Foundation; either version 2 of the License, or (at your option)
15 (at your option) any later version. 11 * any later version.
16 12 *
17 This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful, but
18 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
20 GNU General Public License for more details. 16 * for more details.
21 17 *
22 You should have received a copy of the GNU General Public License 18 * You should have received a copy of the GNU General Public License along
23 along with this program; if not, write to the Free Software 19 * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51
24 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 21 *
26 The authors can be reached via e-mail at crossfire-devel@real-time.com 22 * The authors can be reached via e-mail to <crossfire@schmorp.de>
27*/ 23 */
28 24
29#include <cassert> 25#include <cassert>
30 26
31#include <tr1/unordered_map>
32
33#include <global.h> 27#include <global.h>
34#include <arch.h>
35#include <funcpoint.h> 28#include <funcpoint.h>
36#include <loader.h> 29#include <loader.h>
37 30
38/* IF set, does a little timing on the archetype load. */ 31#include <tr1/functional>
39#define TIME_ARCH_LOAD 0 32#include <tr1/unordered_map>
40
41static void add_arch (archetype * at);
42
43static archetype *arch_table[ARCHTABLE];
44int arch_cmp = 0; /* How many strcmp's */
45int arch_search = 0; /* How many searches */
46int arch_init; /* True if doing arch initialization */
47 33
48/* The naming of these functions is really poor - they are all 34/* The naming of these functions is really poor - they are all
49 * pretty much named '.._arch_...', but they may more may not 35 * pretty much named '.._arch_...', but they may more may not
50 * return archetypes. Some make the arch_to_object call, and thus 36 * return archetypes. Some make the arch_to_object call, and thus
51 * return an object. Perhaps those should be called 'archob' functions 37 * return an object. Perhaps those should be called 'archob' functions
52 * to denote they return an object derived from the archetype. 38 * to denote they return an object derived from the archetype.
53 * MSW 2003-04-29 39 * MSW 2003-04-29
54 */ 40 */
55 41
56#if USE_UNORDERED_MAP 42bool loading_arch; // ugly flag to object laoder etc. to suppress/request special processing
43
57// the hashtable 44// the hashtable
58typedef std::tr1::unordered_map<size_t, archetype *> HT; 45typedef std::tr1::unordered_map
46 <
47 const char *,
48 arch_ptr,
49 str_hash,
50 str_equal,
51 slice_allocator< std::pair<const char *const, arch_ptr> >
52 > HT;
59 53
60static HT ht; 54static HT ht (5000);
61#endif 55archvec archetypes;
62 56
63/** 57/**
64 * GROS - This function retrieves an archetype given the name that appears 58 * GROS - This function retrieves an archetype given the name that appears
65 * during the game (for example, "writing pen" instead of "stylus"). 59 * during the game (for example, "writing pen" instead of "stylus").
66 * It does not use the hashtable system, but browse the whole archlist each time. 60 * It does not use the hashtable system, but browse the whole archlist each time.
72 * - the archetype found or null if nothing was found. 66 * - the archetype found or null if nothing was found.
73 */ 67 */
74archetype * 68archetype *
75find_archetype_by_object_name (const char *name) 69find_archetype_by_object_name (const char *name)
76{ 70{
77 archetype *at; 71 shstr_cmp name_cmp (name);
78 72
79 if (name == NULL) 73 for_all_archetypes (at)
80 return (archetype *) NULL; 74 if (at->archname == name_cmp)
81
82 for (at = first_archetype; at != NULL; at = at->next)
83 {
84 if (!strcmp (at->clone.name, name))
85 return at; 75 return at;
86 } 76
87 return NULL; 77 return 0;
88} 78}
89 79
90/** 80/**
91 * This function retrieves an archetype by type and name that appears during 81 * This function retrieves an archetype by type and name that appears during
92 * the game. It is basically the same as find_archetype_by_object_name() 82 * the game. It is basically the same as find_archetype_by_object_name()
93 * except that it considers only items of the given type. 83 * except that it considers only items of the given type.
94 */ 84 */
95archetype * 85archetype *
96find_archetype_by_object_type_name (int type, const char *name) 86find_archetype_by_object_type_name (int type, const char *name)
97{ 87{
98 archetype *at; 88 shstr_cmp name_cmp (name);
99 89
100 if (name == NULL) 90 for_all_archetypes (at)
101 return NULL; 91 if (at->archname == name_cmp && at->type == type)
102
103 for (at = first_archetype; at != NULL; at = at->next)
104 {
105 if (at->clone.type == type && strcmp (at->clone.name, name) == 0)
106 return at; 92 return at;
107 }
108 93
109 return NULL; 94 return 0;
110} 95}
111 96
112/* This is a lot like the above function. Instead, we are trying to match 97/* This is a lot like the above function. Instead, we are trying to match
113 * the arch->skill values. type is the type of object to match 98 * the arch->skill values. type is the type of object to match
114 * against (eg, to only match against skills or only skill objects for example). 99 * against (eg, to only match against skills or only skill objects for example).
115 * If type is -1, ew don't match on type. 100 * If type is -1, ew don't match on type.
116 */ 101 */
117object * 102object *
118get_archetype_by_skill_name (const char *skill, int type) 103get_archetype_by_skill_name (const char *skill, int type)
119{ 104{
120 archetype * 105 shstr_cmp skill_cmp (skill);
121 at;
122 106
123 if (skill == NULL) 107 for_all_archetypes (at)
124 return NULL; 108 if (at->skill == skill_cmp && (type == -1 || type == at->type))
125
126 for (at = first_archetype; at != NULL; at = at->next)
127 {
128 if (((type == -1) || (type == at->clone.type)) && (!strcmp (at->clone.skill, skill)))
129 return arch_to_object (at); 109 return arch_to_object (at);
130 } 110
131 return NULL; 111 return 0;
132} 112}
133 113
134/* similiar to above - this returns the first archetype 114/* similiar to above - this returns the first archetype
135 * that matches both the type and subtype. type and subtype 115 * that matches both the type and subtype. type and subtype
136 * can be -1 to say ignore, but in this case, the match it does 116 * can be -1 to say ignore, but in this case, the match it does
139 * (eg, skills) 119 * (eg, skills)
140 */ 120 */
141archetype * 121archetype *
142get_archetype_by_type_subtype (int type, int subtype) 122get_archetype_by_type_subtype (int type, int subtype)
143{ 123{
144 archetype * 124 for_all_archetypes (at)
145 at;
146
147 for (at = first_archetype; at != NULL; at = at->next)
148 {
149 if (((type == -1) || (type == at->clone.type)) && (subtype == -1 || subtype == at->clone.subtype)) 125 if ((type == -1 || type == at->type) && (subtype == -1 || subtype == at->subtype))
150 return at; 126 return at;
151 } 127
152 return NULL; 128 return 0;
153} 129}
154 130
155/** 131/**
156 * GROS - this returns a new object given the name that appears during the game 132 * GROS - this returns a new object given the name that appears during the game
157 * (for example, "writing pen" instead of "stylus"). 133 * (for example, "writing pen" instead of "stylus").
165 * but it otherwise had a big memory leak. 141 * but it otherwise had a big memory leak.
166 */ 142 */
167object * 143object *
168get_archetype_by_object_name (const char *name) 144get_archetype_by_object_name (const char *name)
169{ 145{
170 archetype *
171 at;
172 char
173 tmpname[MAX_BUF]; 146 char tmpname[MAX_BUF];
174 int 147 int i;
175 i;
176 148
177 strncpy (tmpname, name, MAX_BUF - 1); 149 assign (tmpname, name);
178 tmpname[MAX_BUF - 1] = 0; 150
179 for (i = strlen (tmpname); i > 0; i--) 151 for (i = strlen (tmpname); i > 0; i--)
180 { 152 {
181 tmpname[i] = 0; 153 tmpname[i] = 0;
154
182 at = find_archetype_by_object_name (tmpname); 155 if (archetype *at = find_archetype_by_object_name (tmpname))
183 if (at != NULL)
184 {
185 return arch_to_object (at); 156 return arch_to_object (at);
186 }
187 } 157 }
158
188 return create_singularity (name); 159 return create_singularity (name);
189} 160}
190 161
191 /* This is a subset of the parse_id command. Basically, name can be 162/* This is a subset of the parse_id command. Basically, name can be
192 * a string seperated lists of things to match, with certain keywords. 163 * a string seperated lists of things to match, with certain keywords.
193 * pl is the player (only needed to set count properly) 164 * pl is the player (only needed to set count properly)
194 * op is the item we are trying to match. Calling function takes care 165 * op is the item we are trying to match. Calling function takes care
195 * of what action might need to be done and if it is valid 166 * of what action might need to be done and if it is valid
196 * (pickup, drop, etc.) Return NONZERO if we have a match. A higher 167 * (pickup, drop, etc.) Return NONZERO if we have a match. A higher
197 * value means a better match. 0 means no match. 168 * value means a better match. 0 means no match.
198 * 169 *
199 * Brief outline of the procedure: 170 * Brief outline of the procedure:
200 * We take apart the name variable into the individual components. 171 * We take apart the name variable into the individual components.
201 * cases for 'all' and unpaid are pretty obvious. 172 * cases for 'all' and unpaid are pretty obvious.
202 * Next, we check for a count (either specified in name, or in the 173 * Next, we check for a count (either specified in name, or in the
203 * player object.) 174 * player object.)
204 * If count is 1, make a quick check on the name. 175 * If count is 1, make a quick check on the name.
205 * IF count is >1, we need to make plural name. Return if match. 176 * IF count is >1, we need to make plural name. Return if match.
206 * Last, make a check on the full name. 177 * Last, make a check on the full name.
207 */ 178 */
208int 179int
209item_matched_string (object * pl, object * op, const char *name) 180item_matched_string (object *pl, object *op, const char *name)
210{ 181{
211 char *
212 cp,
213 local_name[MAX_BUF]; 182 char *cp, local_name[MAX_BUF];
214 int 183 int count, retval = 0;
215 count, 184
216 retval = 0;
217 strcpy (local_name, name); /* strtok is destructive to name */ 185 assign (local_name, name); /* strtok is destructive to name */
218 186
219 for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ",")) 187 for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))
220 { 188 {
221 while (cp[0] == ' ') 189 while (cp[0] == ' ')
222 ++cp; /* get rid of spaces */ 190 ++cp; /* get rid of spaces */
272 retval = 15; 240 retval = 15;
273 else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp))) 241 else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp)))
274 retval = 14; 242 retval = 14;
275 else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp))) 243 else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp)))
276 retval = 14; 244 retval = 14;
277
278 /* Do substring checks, so things like 'Str+1' will match. 245 /* Do substring checks, so things like 'Str+1' will match.
279 * retval of these should perhaps be lower - they are lower 246 * retval of these should perhaps be lower - they are lower
280 * then the specific strcasecmp aboves, but still higher than 247 * then the specific strcasecmp aboves, but still higher than
281 * some other match criteria. 248 * some other match criteria.
282 */ 249 */
284 retval = 12; 251 retval = 12;
285 else if (strstr (query_base_name (op, 0), cp)) 252 else if (strstr (query_base_name (op, 0), cp))
286 retval = 12; 253 retval = 12;
287 else if (strstr (query_short_name (op), cp)) 254 else if (strstr (query_short_name (op), cp))
288 retval = 12; 255 retval = 12;
289
290 /* Check against plural/non plural based on count. */ 256 /* Check against plural/non plural based on count. */
291 else if (count > 1 && !strcasecmp (cp, op->name_pl)) 257 else if (count > 1 && !strcasecmp (cp, op->name_pl))
292 {
293 retval = 6; 258 retval = 6;
294 }
295 else if (count == 1 && !strcasecmp (op->name, cp)) 259 else if (count == 1 && !strcasecmp (op->name, cp))
296 {
297 retval = 6; 260 retval = 6;
298 }
299 /* base name matched - not bad */ 261 /* base name matched - not bad */
300 else if (strcasecmp (cp, op->name) == 0 && !count) 262 else if (strcasecmp (cp, op->name) == 0 && !count)
301 retval = 4; 263 retval = 4;
302 /* Check for partial custom name, but give a real low priority */ 264 /* Check for partial custom name, but give a real low priority */
303 else if (op->custom_name && strstr (op->custom_name, cp)) 265 else if (op->custom_name && strstr (op->custom_name, cp))
305 267
306 if (retval) 268 if (retval)
307 { 269 {
308 if (pl->type == PLAYER) 270 if (pl->type == PLAYER)
309 pl->contr->count = count; 271 pl->contr->count = count;
272
310 return retval; 273 return retval;
311 } 274 }
312 } 275 }
276
313 return 0; 277 return 0;
314} 278}
315 279
316/* 280archetype::archetype (const char *name)
317 * Initialises the internal linked list of archetypes (read from file). 281{
318 * Then the global "empty_archetype" pointer is initialised. 282 stub = true;
319 * Then the blocksview[] array is initialised. 283 arch = this;
320 */ 284 this->archname = this->name = this->name_pl = name;
285}
286
287archetype::~archetype ()
288{
289 unlink ();
290}
321 291
322void 292void
323init_archetypes (void) 293archetype::link ()
324{ /* called from add_player() and edit() */ 294{
325 if (first_archetype != NULL) /* Only do this once */ 295 ht.insert (std::make_pair (archname, this));
326 return;
327 arch_init = 1;
328 load_archetypes ();
329 arch_init = 0;
330 empty_archetype = find_archetype ("empty_archetype");
331/* init_blocksview();*/
332}
333 296
334/* 297 if (!archetypes.contains (this))
335 * Stores debug-information about how efficient the hashtable 298 archetypes.insert (this);
336 * used for archetypes has been in the static errmsg array. 299}
337 */
338 300
339void 301void
340arch_info (object * op) 302archetype::unlink ()
341{ 303{
342 sprintf (errmsg, "%d searches and %d strcmp()'s", arch_search, arch_cmp); 304 ht.erase (archname);
343 new_draw_info (NDI_BLACK, 0, op, errmsg); 305 if (!strcmp (&archname, "Gaea")) fprintf (stderr, "oI\n");//D
306 if (archetypes.contains (this))
307 archetypes.erase (this);
344} 308}
345 309
346/* 310/*
347 * Initialise the hashtable used by the archetypes. 311 * Finds, using the hashtable, which archetype matches the given name.
312 * returns a pointer to the found archetype, otherwise NULL.
348 */ 313 */
314archetype *
315archetype::find (const char *name)
316{
317 if (!name)
318 return 0;
349 319
320 auto (i, ht.find (name));
321
322 if (i == ht.end ())
323 return 0;
324 else
325 return i->second;
326}
327
328archetype *
329archetype::get (const char *name)
330{
331 if (!name)
332 {
333 LOG (llevError, "null archetype requested\n");
334 name = "(null)";
335 }
336
337 archetype *at = find (name);
338
339 if (!at)
340 {
341 at = new archetype (name);
342 at->link ();
343 }
344
345 return at;
346}
347
348archetype *
349archetype::read (object_thawer &f)
350{
351 assert (f.kw == KW_object);
352
353 loading_arch = true; // hack to tell parse_kv et al. to behave
354
355 std::vector<archetype *> parts;
356
357 coroapi::cede_to_tick_every (10);
358
359 for (;;)
360 {
361 // the archetype might have been referenced earlier
362 // so try to find an existing stub archetype first
363 archetype *at = find (f.get_str ());
364
365 if (!at || !at->stub)
366 at = new archetype (f.get_str ());
367
368 f.next ();
369
370#if 0
371 // implementing it here in the server does neither allow multiple inheritence
372 // nor does it cleanly "just override". it would allow use in map files, though,
373 // and other resource files dynamically laoded (as opposed to being preprocessed).
374 // not that any of this is relevant as of yet...
375 if (f.kw == KW_inherit)
376 {
377 if (archetype *at = find (f.get_str ()))
378 *op = at->clone;
379 else
380 LOG (llevError, "archetype '%s' tries to inherit from non-existent archetype '%s'.\n",
381 &at->archname, f.get_str ());
382
383 f.next ();
384 }
385#endif
386
387 if (!at->parse_kv (f))
388 goto fail;
389
390 at->post_load_check ();
391
392 parts.push_back (at);
393
394 if (f.kw != KW_more)
395 break;
396
397 f.next ();
398
399 if (f.kw != KW_object)
400 {
401 f.parse_error ("more object");
402 goto fail;
403 }
404 }
405
406 loading_arch = false;
407
408 {
409 auto (at, parts.begin ());
410
411 archetype *new_head = parts.front ();
412 archetype *old_head = find (new_head->archname);
413
414 if (old_head && !old_head->is_head ())
415 {
416 LOG (llevError, "%s: unable to overwrite non-head archetype '%s' with head archetype, skipping.\n",
417 &new_head->archname, &old_head->archname);
418 goto fail;
419 }
420
421 // check that all archetypes belong to the same old object or are new
422 for (auto (at, parts.begin ()); at != parts.end (); ++at)
423 {
424 archetype *new_part = *at;
425 archetype *old_part = find (new_part->archname);
426
427 if (old_part && old_part->head_ () != old_head)
428 {
429 LOG (llevError, "%s: unable to overwrite archetype '%s' with archetype of different object, skipping.\n",
430 &new_part->archname, &((archetype *)old_part->head_ ())->archname);
431 goto fail;
432 }
433 }
434
435 // deactivate existing archetype
436 for (archetype *at = old_head; at; at = (archetype *)at->more)
437 at->unlink ();
438
439 // assemble new chain
440 new_head->min_x = new_head->max_x = new_head->x;
441 new_head->min_y = new_head->max_y = new_head->y;
442
443 archetype *less = new_head;
444 for (auto (p, parts.begin () + 1); p != parts.end (); ++p)
445 {
446 archetype *at = *p;
447
448 if (at->x < new_head->min_x) new_head->min_x = at->x;
449 if (at->y < new_head->min_y) new_head->min_y = at->y;
450 if (at->x > new_head->max_x) new_head->max_x = at->x;
451 if (at->y > new_head->max_y) new_head->max_y = at->y;
452
453 at->head = new_head;
454 less->more = at;
455 less = at;
456 }
457
458 // now activate it
459 for (auto (p, parts.begin ()); p != parts.end (); ++p)
460 {
461 archetype *at = *p;
462 at->stub = false;
463 at->link ();
464 }
465
466 return new_head;
467 }
468
469fail:
470 for (auto (p, parts.begin ()); p != parts.end (); ++p)
471 (*p)->destroy (true);
472
473 loading_arch = false;
474 return 0;
475}
476
477/*
478 * Initialize global archtype pointers:
479 */
350void 480void
351clear_archetable (void) 481init_archetype_pointers ()
352{ 482{
353 memset ((void *) arch_table, 0, ARCHTABLE * sizeof (archetype *)); 483 ring_arch = archetype::find ("ring");
354} 484 amulet_arch = archetype::find ("amulet");
355 485 staff_arch = archetype::find ("staff");
356/* 486 crown_arch = archetype::find ("crown");
357 * An alternative way to init the hashtable which is slower, but _works_... 487 empty_archetype = archetype::find ("empty_archetype");
358 */
359
360void
361init_archetable (void)
362{
363 archetype *at;
364
365 LOG (llevDebug, " Setting up archetable...\n");
366
367 for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
368 add_arch (at);
369
370 LOG (llevDebug, "done\n");
371}
372
373/*
374 * Dumps an archetype to debug-level output.
375 */
376
377void
378dump_arch (archetype * at)
379{
380 dump_object (&at->clone);
381}
382
383/*
384 * Dumps _all_ archetypes to debug-level output.
385 * If you run crossfire with debug, and enter DM-mode, you can trigger
386 * this with the O key.
387 */
388
389void
390dump_all_archetypes (void)
391{
392 archetype *
393 at;
394 for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
395 {
396 dump_arch (at);
397 fprintf (logfile, "%s\n", errmsg);
398 }
399}
400
401void
402free_all_archs (void)
403{
404 archetype *
405 at, *
406 next;
407 int
408 i = 0, f = 0;
409
410 for (at = first_archetype; at != NULL; at = next)
411 {
412 if (at->more)
413 next = at->more;
414 else
415 next = at->next;
416
417 delete
418 at;
419 i++;
420 }
421 LOG (llevDebug, "Freed %d archetypes, %d faces\n", i, f);
422}
423
424/*
425 * Allocates, initialises and returns the pointer to an archetype structure.
426 */
427// TODO: should become constructor
428archetype *
429get_archetype_struct (void)
430{
431 archetype *
432 arch;
433
434 arch = new archetype;
435
436 clear_object (&arch->clone); /* to initial state other also */
437 CLEAR_FLAG (&arch->clone, FLAG_FREED); /* This shouldn't matter, since copy_object() */
438 SET_FLAG (&arch->clone, FLAG_REMOVED); /* doesn't copy these flags... */
439
440 return arch;
441}
442
443/*
444 * Reads/parses the archetype-file, and copies into a linked list
445 * of archetype-structures.
446 */
447void
448first_arch_pass (object_thawer & fp)
449{
450 object *
451 op;
452 archetype *
453 at, *
454 head = NULL, *last_more = NULL;
455 int
456 i;
457
458 op = get_object ();
459 op->arch = first_archetype = at = get_archetype_struct ();
460
461 while ((i = load_object (fp, op, 0)))
462 {
463 copy_object (op, &at->clone);
464 at->clone.speed_left = (float) (-0.1);
465 /* copy the body_info to the body_used - this is only really
466 * need for monsters, but doesn't hurt to do it for everything.
467 * by doing so, when a monster is created, it has good starting
468 * values for the body_used info, so when items are created
469 * for it, they can be properly equipped.
470 */
471 memcpy (&at->clone.body_used, &op->body_info, sizeof (op->body_info));
472
473 switch (i)
474 {
475 case LL_NORMAL: /* A new archetype, just link it with the previous */
476 if (last_more != NULL)
477 last_more->next = at;
478 if (head != NULL)
479 head->next = at;
480 head = last_more = at;
481#if 0
482 if (!op->type)
483 LOG (llevDebug, " WARNING: Archetype %s has no type info!\n", op->arch->name);
484#endif
485 at->tail_x = 0;
486 at->tail_y = 0;
487 break;
488
489 case LL_MORE: /* Another part of the previous archetype, link it correctly */
490
491 at->head = head;
492 at->clone.head = &head->clone;
493 if (last_more != NULL)
494 {
495 last_more->more = at;
496 last_more->clone.more = &at->clone;
497 }
498 last_more = at;
499
500 /* If this multipart image is still composed of individual small
501 * images, don't set the tail_.. values. We can't use them anyways,
502 * and setting these to zero makes the map sending to the client much
503 * easier as just looking at the head, we know what to do.
504 */
505 if (at->clone.face != head->clone.face)
506 {
507 head->tail_x = 0;
508 head->tail_y = 0;
509 }
510 else
511 {
512 if (at->clone.x > head->tail_x)
513 head->tail_x = at->clone.x;
514 if (at->clone.y > head->tail_y)
515 head->tail_y = at->clone.y;
516 }
517 break;
518
519 }
520
521 at = get_archetype_struct ();
522 clear_object (op);
523 op->arch = at;
524 }
525
526 delete
527 at;
528 free_object (op);
529}
530
531/*
532 * Reads the archetype file once more, and links all pointers between
533 * archetypes.
534 */
535
536void
537second_arch_pass (object_thawer & thawer)
538{
539 char
540 buf[MAX_BUF], *
541 variable = buf, *argument, *cp;
542 archetype *
543 at = NULL, *other;
544
545 while (fgets (buf, MAX_BUF, thawer) != NULL)
546 {
547 if (*buf == '#')
548 continue;
549 if ((argument = strchr (buf, ' ')) != NULL)
550 {
551 *argument = '\0', argument++;
552 cp = argument + strlen (argument) - 1;
553 while (isspace (*cp))
554 {
555 *cp = '\0';
556 cp--;
557 }
558 }
559 if (!strcmp ("Object", variable))
560 {
561 if ((at = find_archetype (argument)) == NULL)
562 LOG (llevError, "Warning: failed to find arch %s\n", argument);
563 }
564 else if (!strcmp ("other_arch", variable))
565 {
566 if (at != NULL && at->clone.other_arch == NULL)
567 {
568 if ((other = find_archetype (argument)) == NULL)
569 LOG (llevError, "Warning: failed to find other_arch %s\n", argument);
570 else if (at != NULL)
571 at->clone.other_arch = other;
572 }
573 }
574 else if (!strcmp ("randomitems", variable))
575 {
576 if (at != NULL)
577 {
578 treasurelist *
579 tl = find_treasurelist (argument);
580 if (tl == NULL)
581 LOG (llevError, "Failed to link treasure to arch (%s): %s\n", &at->name, argument);
582 else
583 at->clone.randomitems = tl;
584 }
585 }
586 }
587}
588
589#ifdef DEBUG
590void
591check_generators (void)
592{
593 archetype *
594 at;
595 for (at = first_archetype; at != NULL; at = at->next)
596 if (QUERY_FLAG (&at->clone, FLAG_GENERATOR) && at->clone.other_arch == NULL)
597 LOG (llevError, "Warning: %s is generator but lacks other_arch.\n", &at->name);
598}
599#endif
600
601/*
602 * First initialises the archtype hash-table (init_archetable()).
603 * Reads and parses the archetype file (with the first and second-pass
604 * functions).
605 * Then initialises treasures by calling load_treasures().
606 */
607
608void
609load_archetypes (void)
610{
611 char
612 filename[MAX_BUF];
613 int
614 comp;
615#if TIME_ARCH_LOAD
616 struct timeval
617 tv1,
618 tv2;
619#endif
620
621 sprintf (filename, "%s/%s", settings.datadir, settings.archetypes);
622 LOG (llevDebug, "Reading archetypes from %s:\n", filename);
623
624 {
625 object_thawer
626 thawer (filename);
627
628 clear_archetable ();
629 LOG (llevDebug, " arch-pass 1...\n");
630 first_arch_pass (thawer);
631 LOG (llevDebug, " done\n");
632 }
633
634 init_archetable ();
635 warn_archetypes = 1;
636
637 {
638 object_thawer
639 thawer (filename);
640
641 LOG (llevDebug, " loading treasure...\n");
642 load_treasures ();
643 LOG (llevDebug, " done\n arch-pass 2...\n");
644 second_arch_pass (thawer);
645 LOG (llevDebug, " done\n");
646#ifdef DEBUG
647 check_generators ();
648#endif
649 }
650 LOG (llevDebug, " done\n");
651} 488}
652 489
653/* 490/*
654 * Creates and returns a new object which is a copy of the given archetype. 491 * Creates and returns a new object which is a copy of the given archetype.
655 * This function returns NULL on failure. 492 * This function returns NULL on failure.
656 */ 493 */
657
658object * 494object *
659arch_to_object (archetype * at) 495arch_to_object (archetype *at)
660{ 496{
661 object * 497 if (!at)
662 op;
663 if (at == NULL)
664 { 498 {
665 if (warn_archetypes)
666 LOG (llevError, "Couldn't find archetype.\n"); 499 LOG (llevError, "Couldn't find archetype.\n");
667 return NULL; 500 return 0;
668 } 501 }
669 op = get_object (); 502
670 copy_object (&at->clone, op); 503 object *op = at->clone ();
504 op->arch = at;
671 op->instantiate (); 505 op->instantiate ();
672 op->arch = at; 506
673 return op; 507 return op;
674} 508}
675 509
676/* 510/*
677 * Creates an object. This function is called by get_archetype() 511 * Creates an object. This function is called by get_archetype()
678 * if it fails to find the appropriate archetype. 512 * if it fails to find the appropriate archetype.
679 * Thus get_archetype() will be guaranteed to always return 513 * Thus get_archetype() will be guaranteed to always return
680 * an object, and never NULL. 514 * an object, and never NULL.
681 */ 515 */
682
683object * 516object *
684create_singularity (const char *name) 517create_singularity (const char *name)
685{ 518{
686 object * 519 LOG (llevError | logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
687 op; 520
688 char 521 if (!strcmp (name, "bug"))
522 abort ();
523
689 buf[MAX_BUF]; 524 char buf[MAX_BUF];
690 sprintf (buf, "%s (%s)", ARCH_SINGULARITY, name); 525 sprintf (buf, "bug, please report (%s)", ARCH_SINGULARITY, name);
691 op = get_object (); 526
527 object *op = get_archetype ("bug");
692 op->name = op->name_pl = buf; 528 op->name = op->name_pl = buf;
693 SET_FLAG (op, FLAG_NO_PICK); 529
694 return op; 530 return op;
695} 531}
696 532
697/* 533/*
698 * Finds which archetype matches the given name, and returns a new 534 * Finds which archetype matches the given name, and returns a new
699 * object containing a copy of the archetype. 535 * object containing a copy of the archetype.
700 */ 536 */
701
702object * 537object *
703get_archetype (const char *name) 538get_archetype (const char *name)
704{ 539{
705 archetype * 540 archetype *at = archetype::find (name);
706 at; 541
707 at = find_archetype (name); 542 if (!at)
708 if (at == NULL)
709 return create_singularity (name); 543 return create_singularity (name);
544
710 return arch_to_object (at); 545 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 *at;
769 unsigned long index;
770
771 if (name == NULL)
772 return (archetype *) NULL;
773
774 index = hasharch (name, ARCHTABLE);
775 arch_search++;
776 for (;;)
777 {
778 at = arch_table[index];
779 if (at == NULL)
780 {
781 if (warn_archetypes)
782 LOG (llevError, "Couldn't find archetype %s\n", name);
783 return NULL;
784 }
785 arch_cmp++;
786 if (!strcmp ((const char *) at->name, name))
787 return at;
788 if (++index >= ARCHTABLE)
789 index = 0;
790 }
791}
792
793/*
794 * Adds an archetype to the hashtable.
795 */
796
797static void
798add_arch (archetype *at)
799{
800#if USE_UNORDERED_MAP
801 ht.insert (std::make_pair ((size_t)(const char *)at->name, at));
802#endif
803
804 int index = hasharch ((const char *) at->name, ARCHTABLE), org_index = index;
805
806 for (;;)
807 {
808 if (arch_table[index] == NULL)
809 {
810 arch_table[index] = at;
811 return;
812 }
813
814 if (++index == ARCHTABLE)
815 index = 0;
816
817 if (index == org_index)
818 fatal (ARCHTABLE_TOO_SMALL);
819 }
820} 546}
821 547
822/* 548/*
823 * Returns the first archetype using the given type. 549 * Returns the first archetype using the given type.
824 * Used in treasure-generation. 550 * Used in treasure-generation.
825 */ 551 */
826
827archetype * 552archetype *
828type_to_archetype (int type) 553type_to_archetype (int type)
829{ 554{
830 archetype * 555 for_all_archetypes (at)
831 at; 556 if (at->type == type && at->head_ () != at)
832
833 for (at = first_archetype; at != NULL; at = (at->more == NULL) ? at->next : at->more)
834 if (at->clone.type == type)
835 return at; 557 return at;
558
836 return NULL; 559 return 0;
837} 560}
838 561
839/* 562/*
840 * Returns a new object copied from the first archetype matching 563 * Returns a new object copied from the first archetype matching
841 * the given type. 564 * the given type.
842 * Used in treasure-generation. 565 * Used in treasure-generation.
843 */ 566 */
844
845object * 567object *
846clone_arch (int type) 568clone_arch (int type)
847{ 569{
848 archetype * 570 archetype *at;
849 at;
850 object *
851 op = get_object ();
852 571
853 if ((at = type_to_archetype (type)) == NULL) 572 if ((at = type_to_archetype (type)) == NULL)
854 { 573 {
855 LOG (llevError, "Can't clone archetype %d\n", type); 574 LOG (llevError, "Can't clone archetype %d\n", type);
856 free_object (op);
857 return NULL; 575 return 0;
858 } 576 }
859 copy_object (&at->clone, op); 577
578 object *op = at->clone ();
860 op->instantiate (); 579 op->instantiate ();
861 return op; 580 return op;
862} 581}
863 582
864/* 583/*
865 * member: make instance from class 584 * member: make instance from class
866 */ 585 */
867
868object * 586object *
869object_create_arch (archetype * at) 587object_create_arch (archetype *at)
870{ 588{
871 object * 589 object *op, *prev = 0, *head = 0;
872 op, *
873 prev = NULL, *head = NULL;
874 590
875 while (at) 591 while (at)
876 { 592 {
877 op = arch_to_object (at); 593 op = arch_to_object (at);
594
878 op->x = at->clone.x; 595 op->x = at->x;
879 op->y = at->clone.y; 596 op->y = at->y;
597
880 if (head) 598 if (head)
881 op->head = head, prev->more = op; 599 op->head = head, prev->more = op;
600
882 if (!head) 601 if (!head)
883 head = op; 602 head = op;
603
884 prev = op; 604 prev = op;
885 at = at->more; 605 at = (archetype *)at->more;
886 } 606 }
607
887 return (head); 608 return head;
888} 609}
889 610
890/*** end of arch.c ***/

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