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Comparing deliantra/server/common/arch.C (file contents):
Revision 1.8 by root, Wed Aug 30 06:06:26 2006 UTC vs.
Revision 1.70 by root, Tue Oct 16 00:30:24 2007 UTC

1/* 1/*
2 * static char *rcsid_arch_c = 2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
3 * "$Id: arch.C,v 1.8 2006/08/30 06:06:26 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
13 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
14 the Free Software Foundation; either version 2 of the License, or 10 * the Free Software Foundation, either version 3 of the License, or
15 (at your option) any later version. 11 * (at your option) 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,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details. 16 * GNU General Public License 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
23 along with this program; if not, write to the Free Software 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 *
25 21 * The authors can be reached via e-mail to <crossfire@schmorp.de>
26 The authors can be reached via e-mail at crossfire-devel@real-time.com
27*/ 22 */
23
24#include <cassert>
28 25
29#include <global.h> 26#include <global.h>
30#include <arch.h>
31#include <funcpoint.h> 27#include <funcpoint.h>
32#include <loader.h> 28#include <loader.h>
33 29
34#include <cassert> 30#include <tr1/functional>
35 31#include <tr1/unordered_map>
36/* IF set, does a little timing on the archetype load. */
37#define TIME_ARCH_LOAD 0
38
39static void add_arch(archetype *at);
40
41static archetype *arch_table[ARCHTABLE];
42int arch_cmp=0; /* How many strcmp's */
43int arch_search=0; /* How many searches */
44int arch_init; /* True if doing arch initialization */
45 32
46/* The naming of these functions is really poor - they are all 33/* The naming of these functions is really poor - they are all
47 * pretty much named '.._arch_...', but they may more may not 34 * pretty much named '.._arch_...', but they may more may not
48 * return archetypes. Some make the arch_to_object call, and thus 35 * return archetypes. Some make the arch_to_object call, and thus
49 * return an object. Perhaps those should be called 'archob' functions 36 * return an object. Perhaps those should be called 'archob' functions
50 * to denote they return an object derived from the archetype. 37 * to denote they return an object derived from the archetype.
51 * MSW 2003-04-29 38 * MSW 2003-04-29
52 */ 39 */
40
41archetype *loading_arch; // ugly flag to object laoder etc. to suppress/request special processing
42
43// the hashtable
44typedef std::tr1::unordered_map
45 <
46 const char *,
47 arch_ptr,
48 str_hash,
49 str_equal,
50 slice_allocator< std::pair<const char *const, arch_ptr> >
51 > HT;
52
53static HT ht (5000);
54archvec archetypes;
53 55
54/** 56/**
55 * GROS - This function retrieves an archetype given the name that appears 57 * GROS - This function retrieves an archetype given the name that appears
56 * during the game (for example, "writing pen" instead of "stylus"). 58 * during the game (for example, "writing pen" instead of "stylus").
57 * 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.
60 * Params: 62 * Params:
61 * - name: the name we're searching for (ex: "writing pen"); 63 * - name: the name we're searching for (ex: "writing pen");
62 * Return value: 64 * Return value:
63 * - the archetype found or null if nothing was found. 65 * - the archetype found or null if nothing was found.
64 */ 66 */
67archetype *
65archetype *find_archetype_by_object_name(const char *name) { 68find_archetype_by_object_name (const char *name)
66 archetype *at; 69{
70 shstr_cmp name_cmp (name);
67 71
68 if (name == NULL) 72 for_all_archetypes (at)
69 return (archetype *) NULL; 73 if (at->name == name_cmp)
70
71 for(at = first_archetype;at!=NULL;at=at->next) {
72 if (!strcmp(at->clone.name, name))
73 return at; 74 return at;
74 } 75
75 return NULL; 76 return 0;
76} 77}
77 78
78/** 79/**
79 * 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
80 * 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()
81 * except that it considers only items of the given type. 82 * except that it considers only items of the given type.
82 */ 83 */
84archetype *
83archetype *find_archetype_by_object_type_name(int type, const char *name) { 85find_archetype_by_object_type_name (int type, const char *name)
84 archetype *at; 86{
87 shstr_cmp name_cmp (name);
85 88
86 if (name == NULL) 89 for_all_archetypes (at)
87 return NULL; 90 if (at->name == name_cmp && at->type == type)
88
89 for (at = first_archetype; at != NULL; at = at->next) {
90 if (at->clone.type == type && strcmp(at->clone.name, name) == 0)
91 return at; 91 return at;
92 }
93 92
94 return NULL; 93 return 0;
95} 94}
96 95
97/* 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
98 * 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
99 * 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).
100 * If type is -1, ew don't match on type. 99 * If type is -1, ew don't match on type.
101 */ 100 */
101object *
102object *get_archetype_by_skill_name(const char *skill, int type) { 102get_archetype_by_skill_name (const char *skill, int type)
103 archetype *at; 103{
104 shstr_cmp skill_cmp (skill);
104 105
105 if (skill == NULL) 106 for_all_archetypes (at)
106 return NULL; 107 if (at->skill == skill_cmp && (type == -1 || type == at->type))
107
108 for(at = first_archetype;at!=NULL;at=at->next) {
109 if ( ((type == -1) || (type == at->clone.type)) &&
110 (!strcmp(at->clone.skill, skill)))
111 return arch_to_object(at); 108 return arch_to_object (at);
112 } 109
113 return NULL; 110 return 0;
114} 111}
115 112
116/* similiar to above - this returns the first archetype 113/* similiar to above - this returns the first archetype
117 * that matches both the type and subtype. type and subtype 114 * that matches both the type and subtype. type and subtype
118 * 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
119 * may not be very useful. This function is most useful when 116 * may not be very useful. This function is most useful when
120 * subtypes are known to be unique for a particular type 117 * subtypes are known to be unique for a particular type
121 * (eg, skills) 118 * (eg, skills)
122 */ 119 */
120archetype *
123archetype *get_archetype_by_type_subtype(int type, int subtype) { 121get_archetype_by_type_subtype (int type, int subtype)
124 archetype *at; 122{
125 123 for_all_archetypes (at)
126 for(at = first_archetype;at!=NULL;at=at->next) { 124 if ((type == -1 || type == at->type) && (subtype == -1 || subtype == at->subtype))
127 if ( ((type == -1) || (type == at->clone.type)) &&
128 (subtype == -1 || subtype == at->clone.subtype))
129 return at; 125 return at;
130 } 126
131 return NULL; 127 return 0;
132} 128}
133 129
134/** 130/**
135 * 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
136 * (for example, "writing pen" instead of "stylus"). 132 * (for example, "writing pen" instead of "stylus").
141 * Note by MSW - it appears that it takes the full name and keeps 137 * Note by MSW - it appears that it takes the full name and keeps
142 * shortening it until it finds a match. I re-wrote this so that it 138 * shortening it until it finds a match. I re-wrote this so that it
143 * doesn't malloc it each time - not that this function is used much, 139 * doesn't malloc it each time - not that this function is used much,
144 * but it otherwise had a big memory leak. 140 * but it otherwise had a big memory leak.
145 */ 141 */
142object *
146object *get_archetype_by_object_name(const char *name) { 143get_archetype_by_object_name (const char *name)
147 archetype *at; 144{
148 char tmpname[MAX_BUF]; 145 char tmpname[MAX_BUF];
149 int i; 146 int i;
150 147
151 strncpy(tmpname,name,MAX_BUF-1); 148 assign (tmpname, name);
152 tmpname[MAX_BUF-1] = 0; 149
153 for(i=strlen(tmpname); i>0; i--) { 150 for (i = strlen (tmpname); i > 0; i--)
151 {
154 tmpname[i] = 0; 152 tmpname[i] = 0;
153
155 at = find_archetype_by_object_name(tmpname); 154 if (archetype *at = find_archetype_by_object_name (tmpname))
156 if (at !=NULL) 155 return arch_to_object (at);
156 }
157
158 return create_singularity (name);
159}
160
161/* This is a subset of the parse_id command. Basically, name can be
162 * a string seperated lists of things to match, with certain keywords.
163 * pl is the player (only needed to set count properly)
164 * op is the item we are trying to match. Calling function takes care
165 * of what action might need to be done and if it is valid
166 * (pickup, drop, etc.) Return NONZERO if we have a match. A higher
167 * value means a better match. 0 means no match.
168 *
169 * Brief outline of the procedure:
170 * We take apart the name variable into the individual components.
171 * cases for 'all' and unpaid are pretty obvious.
172 * Next, we check for a count (either specified in name, or in the
173 * player object.)
174 * If count is 1, make a quick check on the name.
175 * IF count is >1, we need to make plural name. Return if match.
176 * Last, make a check on the full name.
177 */
178int
179item_matched_string (object *pl, object *op, const char *name)
180{
181 char *cp, local_name[MAX_BUF];
182 int count, retval = 0;
183
184 assign (local_name, name); /* strtok is destructive to name */
185
186 for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))
187 {
188 while (cp[0] == ' ')
189 ++cp; /* get rid of spaces */
190
191 /* LOG(llevDebug,"Trying to match %s\n", cp); */
192 /* All is a very generic match - low match value */
193 if (!strcmp (cp, "all"))
194 return 1;
195
196 /* unpaid is a little more specific */
197 if (!strcmp (cp, "unpaid") && QUERY_FLAG (op, FLAG_UNPAID))
198 return 2;
199 if (!strcmp (cp, "cursed") && QUERY_FLAG (op, FLAG_KNOWN_CURSED) && (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED)))
200 return 2;
201
202 if (!strcmp (cp, "unlocked") && !QUERY_FLAG (op, FLAG_INV_LOCKED))
203 return 2;
204
205 /* Allow for things like '100 arrows' */
206 if ((count = atoi (cp)) != 0)
157 { 207 {
158 return arch_to_object(at); 208 cp = strchr (cp, ' ');
209 while (cp && cp[0] == ' ')
210 ++cp; /* get rid of spaces */
159 } 211 }
160 } 212 else
161 return create_singularity(name); 213 {
162} 214 if (pl->type == PLAYER)
163 215 count = pl->contr->count;
164 /* This is a subset of the parse_id command. Basically, name can be 216 else
165 * a string seperated lists of things to match, with certain keywords. 217 count = 0;
166 * pl is the player (only needed to set count properly)
167 * op is the item we are trying to match. Calling function takes care
168 * of what action might need to be done and if it is valid
169 * (pickup, drop, etc.) Return NONZERO if we have a match. A higher
170 * value means a better match. 0 means no match.
171 *
172 * Brief outline of the procedure:
173 * We take apart the name variable into the individual components.
174 * cases for 'all' and unpaid are pretty obvious.
175 * Next, we check for a count (either specified in name, or in the
176 * player object.)
177 * If count is 1, make a quick check on the name.
178 * IF count is >1, we need to make plural name. Return if match.
179 * Last, make a check on the full name.
180 */
181int item_matched_string(object *pl, object *op, const char *name)
182{
183 char *cp, local_name[MAX_BUF];
184 int count,retval=0;
185 strcpy(local_name, name); /* strtok is destructive to name */
186
187 for (cp=strtok(local_name,","); cp; cp=strtok(NULL,",")) {
188 while (cp[0]==' ') ++cp; /* get rid of spaces */
189
190 /* LOG(llevDebug,"Trying to match %s\n", cp);*/
191 /* All is a very generic match - low match value */
192 if (!strcmp(cp,"all")) return 1;
193
194 /* unpaid is a little more specific */
195 if (!strcmp(cp,"unpaid") && QUERY_FLAG(op,FLAG_UNPAID)) return 2;
196 if (!strcmp(cp,"cursed") && QUERY_FLAG(op,FLAG_KNOWN_CURSED) &&
197 (QUERY_FLAG(op,FLAG_CURSED) ||QUERY_FLAG(op,FLAG_DAMNED)))
198 return 2;
199
200 if (!strcmp(cp,"unlocked") && !QUERY_FLAG(op, FLAG_INV_LOCKED))
201 return 2;
202
203 /* Allow for things like '100 arrows' */
204 if ((count=atoi(cp))!=0) {
205 cp=strchr(cp, ' ');
206 while (cp && cp[0]==' ') ++cp; /* get rid of spaces */
207 } 218 }
219
220 if (!cp || cp[0] == '\0' || count < 0)
221 return 0;
222
223
224 /* The code here should go from highest retval to lowest. That
225 * is because of the 'else' handling - we don't want to match on
226 * something and set a low retval, even though it may match a higher retcal
227 * later. So keep it in descending order here, so we try for the best
228 * match first, and work downward.
229 */
230 if (!strcasecmp (cp, query_name (op)))
231 retval = 20;
232 else if (!strcasecmp (cp, query_short_name (op)))
233 retval = 18;
234 else if (!strcasecmp (cp, query_base_name (op, 0)))
235 retval = 16;
236 else if (!strcasecmp (cp, query_base_name (op, 1)))
237 retval = 16;
238 else if (op->custom_name && !strcasecmp (cp, op->custom_name))
239 retval = 15;
240 else if (!strncasecmp (cp, query_base_name (op, 0), strlen (cp)))
241 retval = 14;
242 else if (!strncasecmp (cp, query_base_name (op, 1), strlen (cp)))
243 retval = 14;
244 /* Do substring checks, so things like 'Str+1' will match.
245 * retval of these should perhaps be lower - they are lower
246 * then the specific strcasecmp aboves, but still higher than
247 * some other match criteria.
248 */
249 else if (strstr (query_base_name (op, 1), cp))
250 retval = 12;
251 else if (strstr (query_base_name (op, 0), cp))
252 retval = 12;
253 else if (strstr (query_short_name (op), cp))
254 retval = 12;
255 /* Check against plural/non plural based on count. */
256 else if (count > 1 && !strcasecmp (cp, op->name_pl))
257 retval = 6;
258 else if (count == 1 && !strcasecmp (op->name, cp))
259 retval = 6;
260 /* base name matched - not bad */
261 else if (strcasecmp (cp, op->name) == 0 && !count)
262 retval = 4;
263 /* Check for partial custom name, but give a real low priority */
264 else if (op->custom_name && strstr (op->custom_name, cp))
265 retval = 3;
266
267 if (retval)
208 else { 268 {
209 if (pl->type==PLAYER) 269 if (pl->type == PLAYER)
210 count=pl->contr->count; 270 pl->contr->count = count;
211 else 271
212 count = 0; 272 return retval;
213 } 273 }
274 }
214 275
215 if (!cp || cp[0]=='\0' || count<0) return 0; 276 return 0;
277}
216 278
279archetype::archetype (const char *name)
280{
281 stub = true;
282 arch = this;
283 this->archname = this->name = this->name_pl = name;
284}
217 285
218 /* The code here should go from highest retval to lowest. That 286archetype::~archetype ()
219 * is because of the 'else' handling - we don't want to match on 287{
220 * something and set a low retval, even though it may match a higher retcal 288 unlink ();
221 * later. So keep it in descending order here, so we try for the best 289}
222 * match first, and work downward. 290
291void
292archetype::link ()
293{
294 ht.insert (std::make_pair (archname, this));
295
296 if (!archetypes.contains (this))
297 archetypes.insert (this);
298}
299
300void
301archetype::unlink ()
302{
303 ht.erase (archname);
304
305 if (archetypes.contains (this))
306 archetypes.erase (this);
307}
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)
223 */ 376 {
224 if (!strcasecmp(cp,query_name(op))) retval=20; 377 if (archetype *at = find (f.get_str ()))
225 else if (!strcasecmp(cp,query_short_name(op))) retval=18; 378 *op = at->clone;
226 else if (!strcasecmp(cp,query_base_name(op,0))) retval=16; 379 else
227 else if (!strcasecmp(cp,query_base_name(op,1))) retval=16; 380 LOG (llevError, "archetype '%s' tries to inherit from non-existent archetype '%s'.\n",
228 else if (op->custom_name && !strcasecmp(cp,op->custom_name)) retval=15; 381 &at->archname, f.get_str ());
229 else if (!strncasecmp(cp,query_base_name(op,0),
230 strlen(cp))) retval=14;
231 else if (!strncasecmp(cp,query_base_name(op,1),
232 strlen(cp))) retval=14;
233 382
234 /* Do substring checks, so things like 'Str+1' will match. 383 f.next ();
235 * retval of these should perhaps be lower - they are lower
236 * then the specific strcasecmp aboves, but still higher than
237 * some other match criteria.
238 */
239 else if (strstr(query_base_name(op,1), cp)) retval = 12;
240 else if (strstr(query_base_name(op,0), cp)) retval = 12;
241 else if (strstr(query_short_name(op), cp)) retval = 12;
242
243 /* Check against plural/non plural based on count. */
244 else if (count>1 && !strcasecmp(cp,op->name_pl)) {
245 retval=6;
246 } 384 }
247 else if (count==1 && !strcasecmp(op->name,cp)) { 385#endif
248 retval=6; 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;
249 } 409 }
250 /* base name matched - not bad */ 410 }
251 else if (strcasecmp(cp,op->name)==0 && !count) retval=4;
252 /* Check for partial custom name, but give a real low priority */
253 else if (op->custom_name && strstr(op->custom_name, cp)) retval = 3;
254 411
255 if (retval) { 412 {
256 if (pl->type == PLAYER) 413 auto (at, parts.begin ());
257 pl->contr->count=count; 414
258 return retval; 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;
259 } 436 }
260 } 437 }
261 return 0;
262}
263 438
264/* 439 // deactivate existing archetype
265 * Initialises the internal linked list of archetypes (read from file). 440 for (archetype *at = old_head; at; at = (archetype *)at->more)
266 * Then the global "empty_archetype" pointer is initialised. 441 at->unlink ();
267 * Then the blocksview[] array is initialised.
268 */
269 442
270void init_archetypes(void) { /* called from add_player() and edit() */ 443 // assemble new chain
271 if(first_archetype!=NULL) /* Only do this once */ 444 new_head->min_x = new_head->max_x = new_head->x;
272 return; 445 new_head->min_y = new_head->max_y = new_head->y;
273 arch_init = 1;
274 load_archetypes();
275 arch_init = 0;
276 empty_archetype=find_archetype("empty_archetype");
277/* init_blocksview();*/
278}
279 446
280/* 447 archetype *less = new_head;
281 * Stores debug-information about how efficient the hashtable 448 for (auto (p, parts.begin () + 1); p != parts.end (); ++p)
282 * used for archetypes has been in the static errmsg array. 449 {
283 */ 450 archetype *at = *p;
284 451
285void arch_info(object *op) { 452 // some flags get inherited formt he head (probably a lot more)
286 sprintf(errmsg,"%d searches and %d strcmp()'s",arch_search,arch_cmp); 453 // doing it here doesn't feel too cozy, but it allows code
287 new_draw_info(NDI_BLACK, 0, op,errmsg); 454 // to ignore head checks for these flags, which saves time
288} 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];
289 459
290/* 460 if (at->x < new_head->min_x) new_head->min_x = at->x;
291 * Initialise the hashtable used by the archetypes. 461 if (at->y < new_head->min_y) new_head->min_y = at->y;
292 */ 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;
293 464
294void clear_archetable(void) { 465 at->head = new_head;
295 memset((void *) arch_table,0,ARCHTABLE*sizeof(archetype *)); 466 less->more = at;
296} 467 less = at;
468 }
297 469
298/* 470 // now activate it
299 * An alternative way to init the hashtable which is slower, but _works_... 471 for (auto (p, parts.begin ()); p != parts.end (); ++p)
300 */ 472 {
473 archetype *at = *p;
474 at->stub = false;
475 at->link ();
476 }
301 477
302void init_archetable(void) { 478 return new_head;
303 archetype *at;
304 LOG(llevDebug," Setting up archetable...\n");
305 for(at=first_archetype;at!=NULL;at=(at->more==NULL)?at->next:at->more)
306 add_arch(at);
307 LOG(llevDebug,"done\n");
308}
309
310/*
311 * Dumps an archetype to debug-level output.
312 */
313
314void dump_arch(archetype *at) {
315 dump_object(&at->clone);
316}
317
318/*
319 * Dumps _all_ archetypes to debug-level output.
320 * If you run crossfire with debug, and enter DM-mode, you can trigger
321 * this with the O key.
322 */
323
324void dump_all_archetypes(void) {
325 archetype *at;
326 for(at=first_archetype;at!=NULL;at=(at->more==NULL)?at->next:at->more) {
327 dump_arch(at);
328 fprintf(logfile, "%s\n", errmsg);
329 } 479 }
330}
331 480
332void free_all_archs(void) 481fail:
333{ 482 for (auto (p, parts.begin ()); p != parts.end (); ++p)
334 archetype *at, *next; 483 (*p)->destroy (true);
335 int i=0,f=0;
336 484
337 for (at=first_archetype; at!=NULL; at=next) {
338 if (at->more) next=at->more;
339 else next=at->next;
340 if (at->name) free_string(at->name);
341 if (at->clone.name) free_string(at->clone.name);
342 if (at->clone.name_pl) free_string(at->clone.name_pl);
343 if (at->clone.title) free_string(at->clone.title);
344 if (at->clone.race) free_string(at->clone.race);
345 if (at->clone.slaying) free_string(at->clone.slaying);
346 if (at->clone.msg) free_string(at->clone.msg);
347 free(at);
348 i++;
349 }
350 LOG(llevDebug,"Freed %d archetypes, %d faces\n", i, f);
351}
352
353/*
354 * Allocates, initialises and returns the pointer to an archetype structure.
355 */
356
357archetype *get_archetype_struct(void) {
358 archetype *arch;
359
360 arch=(archetype *)CALLOC(1,sizeof(archetype));
361 if(arch==NULL)
362 fatal(OUT_OF_MEMORY);
363 arch->next=NULL;
364 arch->name=NULL;
365 arch->clone.other_arch=NULL;
366 arch->clone.name=NULL;
367 arch->clone.name_pl=NULL;
368 arch->clone.title=NULL;
369 arch->clone.race=NULL;
370 arch->clone.slaying=NULL;
371 arch->clone.msg=NULL;
372 clear_object(&arch->clone); /* to initial state other also */
373 CLEAR_FLAG((&arch->clone),FLAG_FREED); /* This shouldn't matter, since copy_object() */
374 SET_FLAG((&arch->clone), FLAG_REMOVED); /* doesn't copy these flags... */
375 arch->head=NULL;
376 arch->more=NULL;
377 return arch; 485 return 0;
378} 486}
379 487
380/* 488/*
381 * Reads/parses the archetype-file, and copies into a linked list 489 * Initialize global archtype pointers:
382 * of archetype-structures.
383 */ 490 */
384void first_arch_pass(object_thawer &fp) {
385 object *op;
386 archetype *at,*head=NULL,*last_more=NULL;
387 int i,first=2;
388
389 op=get_object();
390 op->arch=first_archetype=at=get_archetype_struct();
391
392 while((i=load_object(fp,op,first,0))) {
393 first=0;
394 copy_object(op,&at->clone);
395 at->clone.speed_left= (float) (-0.1);
396 /* copy the body_info to the body_used - this is only really
397 * need for monsters, but doesn't hurt to do it for everything.
398 * by doing so, when a monster is created, it has good starting
399 * values for the body_used info, so when items are created
400 * for it, they can be properly equipped.
401 */
402 memcpy(&at->clone.body_used, &op->body_info, sizeof(op->body_info));
403
404 switch(i) {
405 case LL_NORMAL: /* A new archetype, just link it with the previous */
406 if(last_more!=NULL)
407 last_more->next=at;
408 if(head!=NULL)
409 head->next=at;
410 head=last_more=at;
411#if 0
412 if(!op->type)
413 LOG(llevDebug," WARNING: Archetype %s has no type info!\n", op->arch->name);
414#endif
415 at->tail_x = 0;
416 at->tail_y = 0;
417 break;
418
419 case LL_MORE: /* Another part of the previous archetype, link it correctly */
420
421 at->head=head;
422 at->clone.head = &head->clone;
423 if(last_more!=NULL) {
424 last_more->more=at;
425 last_more->clone.more = &at->clone;
426 }
427 last_more=at;
428
429 /* If this multipart image is still composed of individual small
430 * images, don't set the tail_.. values. We can't use them anyways,
431 * and setting these to zero makes the map sending to the client much
432 * easier as just looking at the head, we know what to do.
433 */
434 if (at->clone.face != head->clone.face) {
435 head->tail_x = 0;
436 head->tail_y = 0;
437 } else {
438 if (at->clone.x > head->tail_x) head->tail_x = at->clone.x;
439 if (at->clone.y > head->tail_y) head->tail_y = at->clone.y;
440 }
441 break;
442
443 }
444
445 at=get_archetype_struct();
446 clear_object(op);
447 op->arch=at;
448 }
449 free(at);
450 free_object(op);
451}
452
453/*
454 * Reads the archetype file once more, and links all pointers between
455 * archetypes.
456 */
457
458void second_arch_pass(FILE *fp) {
459 char buf[MAX_BUF],*variable=buf,*argument,*cp;
460 archetype *at=NULL,*other;
461
462 while(fgets(buf,MAX_BUF,fp)!=NULL) {
463 if(*buf=='#')
464 continue;
465 if((argument=strchr(buf,' '))!=NULL) {
466 *argument='\0',argument++;
467 cp = argument + strlen(argument)-1;
468 while (isspace(*cp)) {
469 *cp='\0';
470 cp--;
471 }
472 }
473 if(!strcmp("Object",variable)) {
474 if((at=find_archetype(argument))==NULL)
475 LOG(llevError,"Warning: failed to find arch %s\n",argument);
476 } else if(!strcmp("other_arch",variable)) {
477 if(at!=NULL&&at->clone.other_arch==NULL) {
478 if((other=find_archetype(argument))==NULL)
479 LOG(llevError,"Warning: failed to find other_arch %s\n",argument);
480 else if(at!=NULL)
481 at->clone.other_arch=other;
482 }
483 } else if(!strcmp("randomitems",variable)) {
484 if(at!=NULL) {
485 treasurelist *tl=find_treasurelist(argument);
486 if(tl==NULL)
487 LOG(llevError,"Failed to link treasure to arch (%s): %s\n",at->name, argument);
488 else
489 at->clone.randomitems=tl;
490 }
491 }
492 }
493}
494
495#ifdef DEBUG
496void check_generators(void) {
497 archetype *at;
498 for(at=first_archetype;at!=NULL;at=at->next)
499 if(QUERY_FLAG(&at->clone,FLAG_GENERATOR)&&at->clone.other_arch==NULL)
500 LOG(llevError,"Warning: %s is generator but lacks other_arch.\n",
501 at->name);
502}
503#endif
504
505/*
506 * First initialises the archtype hash-table (init_archetable()).
507 * Reads and parses the archetype file (with the first and second-pass
508 * functions).
509 * Then initialises treasures by calling load_treasures().
510 */
511
512void 491void
513load_archetypes (void) 492init_archetype_pointers ()
514{ 493{
515 char filename[MAX_BUF]; 494 ring_arch = archetype::find ("ring");
516 int comp; 495 amulet_arch = archetype::find ("amulet");
517#if TIME_ARCH_LOAD 496 staff_arch = archetype::find ("staff");
518 struct timeval tv1, tv2; 497 crown_arch = archetype::find ("crown");
519#endif 498 empty_archetype = archetype::find ("empty_archetype");
520
521 sprintf (filename, "%s/%s", settings.datadir, settings.archetypes);
522 LOG (llevDebug, "Reading archetypes from %s:\n", filename);
523
524 {
525 object_thawer thawer (filename);
526
527 clear_archetable ();
528 LOG (llevDebug, " arch-pass 1...\n");
529 first_arch_pass (thawer);
530 LOG (llevDebug, " done\n");
531
532 init_archetable ();
533 warn_archetypes = 1;
534 }
535
536 {
537 object_thawer thawer (filename);
538
539 LOG (llevDebug, " loading treasure...\n");
540 load_treasures ();
541 LOG (llevDebug, " done\n arch-pass 2...\n");
542 second_arch_pass (thawer);
543 LOG (llevDebug, " done\n");
544#ifdef DEBUG
545 check_generators ();
546#endif
547 }
548 LOG (llevDebug, " done\n");
549} 499}
550 500
551/* 501/*
552 * 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.
553 * This function returns NULL on failure. 503 * This function returns NULL on failure.
554 */ 504 */
555 505object *
556object *arch_to_object(archetype *at) { 506arch_to_object (archetype *at)
557 object *op; 507{
558 if(at==NULL) { 508 if (!at)
559 if(warn_archetypes) 509 {
560 LOG(llevError,"Couldn't find archetype.\n"); 510 LOG (llevError, "Couldn't find archetype.\n");
561 return NULL; 511 return 0;
562 } 512 }
563 op=get_object(); 513
564 copy_object(&at->clone,op); 514 object *op = at->clone ();
515 op->arch = at;
565 op->instantiate (); 516 op->instantiate ();
566 op->arch=at; 517
567 return op; 518 return op;
519}
520
521object *
522archetype::instance ()
523{
524 return arch_to_object (this);
568} 525}
569 526
570/* 527/*
571 * Creates an object. This function is called by get_archetype() 528 * Creates an object. This function is called by get_archetype()
572 * if it fails to find the appropriate archetype. 529 * if it fails to find the appropriate archetype.
573 * Thus get_archetype() will be guaranteed to always return 530 * Thus get_archetype() will be guaranteed to always return
574 * an object, and never NULL. 531 * an object, and never NULL.
575 */ 532 */
576 533object *
577object *create_singularity(const char *name) { 534create_singularity (const char *name)
578 object *op; 535{
536 LOG (llevError | logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
537
538 if (!strcmp (name, "bug"))
539 abort ();
540
579 char buf[MAX_BUF]; 541 char buf[MAX_BUF];
580 sprintf(buf,"%s (%s)",ARCH_SINGULARITY,name); 542 sprintf (buf, "bug, please report (%s)", name);
581 op = get_object(); 543
582 op->name = add_string(buf); 544 object *op = get_archetype ("bug");
583 op->name_pl = add_string(buf); 545 op->name = op->name_pl = buf;
584 SET_FLAG(op,FLAG_NO_PICK); 546
585 return op; 547 return op;
586} 548}
587 549
588/* 550/*
589 * Finds which archetype matches the given name, and returns a new 551 * Finds which archetype matches the given name, and returns a new
590 * object containing a copy of the archetype. 552 * object containing a copy of the archetype.
591 */ 553 */
592 554object *
593object *get_archetype(const char *name) { 555get_archetype (const char *name)
594 archetype *at; 556{
595 at = find_archetype(name); 557 archetype *at = archetype::find (name);
596 if (at == NULL) 558
559 if (!at)
597 return create_singularity(name); 560 return create_singularity (name);
561
598 return arch_to_object(at); 562 return arch_to_object (at);
599}
600
601/*
602 * Hash-function used by the arch-hashtable.
603 */
604
605unsigned long
606hasharch(const char *str, int tablesize) {
607 unsigned long hash = 0;
608 int i = 0;
609 const char *p;
610
611 /* use the one-at-a-time hash function, which supposedly is
612 * better than the djb2-like one used by perl5.005, but
613 * certainly is better then the bug used here before.
614 * see http://burtleburtle.net/bob/hash/doobs.html
615 */
616 for (p = str; i < MAXSTRING && *p; p++, i++) {
617 hash += *p;
618 hash += hash << 10;
619 hash ^= hash >> 6;
620 }
621 hash += hash << 3;
622 hash ^= hash >> 11;
623 hash += hash << 15;
624 return hash % tablesize;
625}
626
627/*
628 * Finds, using the hashtable, which archetype matches the given name.
629 * returns a pointer to the found archetype, otherwise NULL.
630 */
631
632archetype *find_archetype(const char *name) {
633 archetype *at;
634 unsigned long index;
635
636 if (name == NULL)
637 return (archetype *) NULL;
638
639 index=hasharch(name, ARCHTABLE);
640 arch_search++;
641 for(;;) {
642 at = arch_table[index];
643 if (at==NULL) {
644 if(warn_archetypes)
645 LOG(llevError,"Couldn't find archetype %s\n",name);
646 return NULL;
647 }
648 arch_cmp++;
649 if (!strcmp(at->name,name))
650 return at;
651 if(++index>=ARCHTABLE)
652 index=0;
653 }
654}
655
656/*
657 * Adds an archetype to the hashtable.
658 */
659
660static void add_arch(archetype *at) {
661 int index=hasharch(at->name, ARCHTABLE),org_index=index;
662 for(;;) {
663 if(arch_table[index]==NULL) {
664 arch_table[index]=at;
665 return;
666 }
667 if(++index==ARCHTABLE)
668 index=0;
669 if(index==org_index)
670 fatal(ARCHTABLE_TOO_SMALL);
671 }
672} 563}
673 564
674/* 565/*
675 * Returns the first archetype using the given type. 566 * Returns the first archetype using the given type.
676 * Used in treasure-generation. 567 * Used in treasure-generation.
677 */ 568 */
678
679archetype *type_to_archetype(int type) {
680 archetype *at; 569archetype *
681 570type_to_archetype (int type)
682 for(at=first_archetype;at!=NULL;at=(at->more==NULL)?at->next:at->more) 571{
683 if(at->clone.type==type) 572 for_all_archetypes (at)
573 if (at->type == type && at->head_ () != at)
684 return at; 574 return at;
575
685 return NULL; 576 return 0;
686} 577}
687 578
688/* 579/*
689 * Returns a new object copied from the first archetype matching 580 * Returns a new object copied from the first archetype matching
690 * the given type. 581 * the given type.
691 * Used in treasure-generation. 582 * Used in treasure-generation.
692 */ 583 */
693 584object *
694object *clone_arch(int type) { 585clone_arch (int type)
586{
695 archetype *at; 587 archetype *at;
696 object *op=get_object();
697 588
698 if((at=type_to_archetype(type))==NULL) { 589 if ((at = type_to_archetype (type)) == NULL)
590 {
699 LOG(llevError,"Can't clone archetype %d\n",type); 591 LOG (llevError, "Can't clone archetype %d\n", type);
700 free_object(op);
701 return NULL; 592 return 0;
702 } 593 }
703 copy_object(&at->clone,op); 594
595 object *op = at->clone ();
704 op->instantiate (); 596 op->instantiate ();
705 return op; 597 return op;
706} 598}
707 599
708/* 600/*
709 * member: make instance from class 601 * member: make instance from class
710 */ 602 */
711 603object *
712object *object_create_arch (archetype * at) 604object_create_arch (archetype *at)
713{ 605{
714 object *op, *prev = NULL, *head = NULL; 606 object *op, *prev = 0, *head = 0;
715 607
716 while (at) { 608 while (at)
609 {
717 op = arch_to_object (at); 610 op = arch_to_object (at);
611
718 op->x = at->clone.x; 612 op->x = at->x;
719 op->y = at->clone.y; 613 op->y = at->y;
614
720 if (head) 615 if (head)
721 op->head = head, prev->more = op; 616 op->head = head, prev->more = op;
617
722 if (!head) 618 if (!head)
723 head = op; 619 head = op;
620
724 prev = op; 621 prev = op;
725 at = at->more; 622 at = (archetype *)at->more;
726 } 623 }
624
727 return (head); 625 return head;
728} 626}
729 627
730/*** end of arch.c ***/

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