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Comparing deliantra/server/common/arch.C (file contents):
Revision 1.11 by root, Sun Sep 3 22:45:55 2006 UTC vs.
Revision 1.69 by root, Tue Sep 4 18:20:35 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 1.11 2006/09/03 22:45:55 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
341 delete at;
342 i++;
343 }
344 LOG(llevDebug,"Freed %d archetypes, %d faces\n", i, f);
345}
346
347/*
348 * Allocates, initialises and returns the pointer to an archetype structure.
349 */
350// TODO: should become constructor
351archetype *get_archetype_struct(void) {
352 archetype *arch;
353
354 arch = new archetype;
355
356 clear_object (&arch->clone); /* to initial state other also */
357 CLEAR_FLAG (&arch->clone, FLAG_FREED); /* This shouldn't matter, since copy_object() */
358 SET_FLAG (&arch->clone, FLAG_REMOVED); /* doesn't copy these flags... */
359
360 return arch; 485 return 0;
361} 486}
362 487
363/* 488/*
364 * Reads/parses the archetype-file, and copies into a linked list 489 * Initialize global archtype pointers:
365 * of archetype-structures.
366 */ 490 */
367void first_arch_pass(object_thawer &fp) {
368 object *op;
369 archetype *at,*head=NULL,*last_more=NULL;
370 int i;
371
372 op=get_object();
373 op->arch=first_archetype=at=get_archetype_struct();
374
375 while((i=load_object(fp,op,0))) {
376 copy_object(op,&at->clone);
377 at->clone.speed_left= (float) (-0.1);
378 /* copy the body_info to the body_used - this is only really
379 * need for monsters, but doesn't hurt to do it for everything.
380 * by doing so, when a monster is created, it has good starting
381 * values for the body_used info, so when items are created
382 * for it, they can be properly equipped.
383 */
384 memcpy(&at->clone.body_used, &op->body_info, sizeof(op->body_info));
385
386 switch(i) {
387 case LL_NORMAL: /* A new archetype, just link it with the previous */
388 if(last_more!=NULL)
389 last_more->next=at;
390 if(head!=NULL)
391 head->next=at;
392 head=last_more=at;
393#if 0
394 if(!op->type)
395 LOG(llevDebug," WARNING: Archetype %s has no type info!\n", op->arch->name);
396#endif
397 at->tail_x = 0;
398 at->tail_y = 0;
399 break;
400
401 case LL_MORE: /* Another part of the previous archetype, link it correctly */
402
403 at->head=head;
404 at->clone.head = &head->clone;
405 if(last_more!=NULL) {
406 last_more->more=at;
407 last_more->clone.more = &at->clone;
408 }
409 last_more=at;
410
411 /* If this multipart image is still composed of individual small
412 * images, don't set the tail_.. values. We can't use them anyways,
413 * and setting these to zero makes the map sending to the client much
414 * easier as just looking at the head, we know what to do.
415 */
416 if (at->clone.face != head->clone.face) {
417 head->tail_x = 0;
418 head->tail_y = 0;
419 } else {
420 if (at->clone.x > head->tail_x) head->tail_x = at->clone.x;
421 if (at->clone.y > head->tail_y) head->tail_y = at->clone.y;
422 }
423 break;
424
425 }
426
427 at=get_archetype_struct();
428 clear_object(op);
429 op->arch=at;
430 }
431
432 delete at;
433 free_object(op);
434}
435
436/*
437 * Reads the archetype file once more, and links all pointers between
438 * archetypes.
439 */
440
441void second_arch_pass(object_thawer &thawer) {
442 char buf[MAX_BUF],*variable=buf,*argument,*cp;
443 archetype *at=NULL,*other;
444
445 while(fgets(buf,MAX_BUF,thawer)!=NULL) {
446 if(*buf=='#')
447 continue;
448 if((argument=strchr(buf,' '))!=NULL) {
449 *argument='\0',argument++;
450 cp = argument + strlen(argument)-1;
451 while (isspace(*cp)) {
452 *cp='\0';
453 cp--;
454 }
455 }
456 if(!strcmp("Object",variable)) {
457 if((at=find_archetype(argument))==NULL)
458 LOG(llevError,"Warning: failed to find arch %s\n",argument);
459 } else if(!strcmp("other_arch",variable)) {
460 if(at!=NULL&&at->clone.other_arch==NULL) {
461 if((other=find_archetype(argument))==NULL)
462 LOG(llevError,"Warning: failed to find other_arch %s\n",argument);
463 else if(at!=NULL)
464 at->clone.other_arch=other;
465 }
466 } else if(!strcmp("randomitems",variable)) {
467 if(at!=NULL) {
468 treasurelist *tl=find_treasurelist(argument);
469 if(tl==NULL)
470 LOG(llevError,"Failed to link treasure to arch (%s): %s\n", &at->name, argument);
471 else
472 at->clone.randomitems=tl;
473 }
474 }
475 }
476}
477
478#ifdef DEBUG
479void check_generators(void) {
480 archetype *at;
481 for(at=first_archetype;at!=NULL;at=at->next)
482 if(QUERY_FLAG(&at->clone,FLAG_GENERATOR)&&at->clone.other_arch==NULL)
483 LOG(llevError,"Warning: %s is generator but lacks other_arch.\n", &at->name);
484}
485#endif
486
487/*
488 * First initialises the archtype hash-table (init_archetable()).
489 * Reads and parses the archetype file (with the first and second-pass
490 * functions).
491 * Then initialises treasures by calling load_treasures().
492 */
493
494void 491void
495load_archetypes (void) 492init_archetype_pointers ()
496{ 493{
497 char filename[MAX_BUF]; 494 ring_arch = archetype::find ("ring");
498 int comp; 495 amulet_arch = archetype::find ("amulet");
499#if TIME_ARCH_LOAD 496 staff_arch = archetype::find ("staff");
500 struct timeval tv1, tv2; 497 crown_arch = archetype::find ("crown");
501#endif 498 empty_archetype = archetype::find ("empty_archetype");
502
503 sprintf (filename, "%s/%s", settings.datadir, settings.archetypes);
504 LOG (llevDebug, "Reading archetypes from %s:\n", filename);
505
506 {
507 object_thawer thawer (filename);
508
509 clear_archetable ();
510 LOG (llevDebug, " arch-pass 1...\n");
511 first_arch_pass (thawer);
512 LOG (llevDebug, " done\n");
513
514 init_archetable ();
515 warn_archetypes = 1;
516 }
517
518 {
519 object_thawer thawer (filename);
520
521 LOG (llevDebug, " loading treasure...\n");
522 load_treasures ();
523 LOG (llevDebug, " done\n arch-pass 2...\n");
524 second_arch_pass (thawer);
525 LOG (llevDebug, " done\n");
526#ifdef DEBUG
527 check_generators ();
528#endif
529 }
530 LOG (llevDebug, " done\n");
531} 499}
532 500
533/* 501/*
534 * 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.
535 * This function returns NULL on failure. 503 * This function returns NULL on failure.
536 */ 504 */
537 505object *
538object *arch_to_object(archetype *at) { 506arch_to_object (archetype *at)
539 object *op; 507{
540 if(at==NULL) { 508 if (!at)
541 if(warn_archetypes) 509 {
542 LOG(llevError,"Couldn't find archetype.\n"); 510 LOG (llevError, "Couldn't find archetype.\n");
543 return NULL; 511 return 0;
544 } 512 }
545 op=get_object(); 513
546 copy_object(&at->clone,op); 514 object *op = at->clone ();
515 op->arch = at;
547 op->instantiate (); 516 op->instantiate ();
548 op->arch=at; 517
549 return op; 518 return op;
550} 519}
551 520
552/* 521/*
553 * Creates an object. This function is called by get_archetype() 522 * Creates an object. This function is called by get_archetype()
554 * if it fails to find the appropriate archetype. 523 * if it fails to find the appropriate archetype.
555 * Thus get_archetype() will be guaranteed to always return 524 * Thus get_archetype() will be guaranteed to always return
556 * an object, and never NULL. 525 * an object, and never NULL.
557 */ 526 */
558 527object *
559object *create_singularity(const char *name) { 528create_singularity (const char *name)
560 object *op; 529{
530 LOG (llevError | logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
531
532 if (!strcmp (name, "bug"))
533 abort ();
534
561 char buf[MAX_BUF]; 535 char buf[MAX_BUF];
562 sprintf(buf,"%s (%s)",ARCH_SINGULARITY,name); 536 sprintf (buf, "bug, please report (%s)", name);
563 op = get_object(); 537
538 object *op = get_archetype ("bug");
564 op->name = op->name_pl = buf; 539 op->name = op->name_pl = buf;
565 SET_FLAG(op,FLAG_NO_PICK); 540
566 return op; 541 return op;
567} 542}
568 543
569/* 544/*
570 * Finds which archetype matches the given name, and returns a new 545 * Finds which archetype matches the given name, and returns a new
571 * object containing a copy of the archetype. 546 * object containing a copy of the archetype.
572 */ 547 */
573 548object *
574object *get_archetype(const char *name) { 549get_archetype (const char *name)
575 archetype *at; 550{
576 at = find_archetype(name); 551 archetype *at = archetype::find (name);
577 if (at == NULL) 552
553 if (!at)
578 return create_singularity(name); 554 return create_singularity (name);
555
579 return arch_to_object(at); 556 return arch_to_object (at);
580}
581
582/*
583 * Hash-function used by the arch-hashtable.
584 */
585
586unsigned long
587hasharch(const char *str, int tablesize)
588{
589 unsigned long hash = 0;
590 unsigned int i = 0;
591 const char *p;
592
593 /* use the one-at-a-time hash function, which supposedly is
594 * better than the djb2-like one used by perl5.005, but
595 * certainly is better then the bug used here before.
596 * see http://burtleburtle.net/bob/hash/doobs.html
597 */
598 for (p = str; i < MAXSTRING && *p; p++, i++)
599 {
600 hash += *p;
601 hash += hash << 10;
602 hash ^= hash >> 6;
603 }
604
605 hash += hash << 3;
606 hash ^= hash >> 11;
607 hash += hash << 15;
608
609 return hash % tablesize;
610}
611
612/*
613 * Finds, using the hashtable, which archetype matches the given name.
614 * returns a pointer to the found archetype, otherwise NULL.
615 */
616
617archetype *find_archetype(const char *name) {
618 archetype *at;
619 unsigned long index;
620
621 if (name == NULL)
622 return (archetype *) NULL;
623
624 index=hasharch(name, ARCHTABLE);
625 arch_search++;
626 for(;;) {
627 at = arch_table[index];
628 if (at==NULL) {
629 if(warn_archetypes)
630 LOG(llevError,"Couldn't find archetype %s\n",name);
631 return NULL;
632 }
633 arch_cmp++;
634 if (!strcmp((const char *)at->name,name))
635 return at;
636 if(++index>=ARCHTABLE)
637 index=0;
638 }
639}
640
641/*
642 * Adds an archetype to the hashtable.
643 */
644
645static void add_arch(archetype *at) {
646 int index=hasharch((const char *)at->name, ARCHTABLE),org_index=index;
647 for(;;) {
648 if(arch_table[index]==NULL) {
649 arch_table[index]=at;
650 return;
651 }
652 if(++index==ARCHTABLE)
653 index=0;
654 if(index==org_index)
655 fatal(ARCHTABLE_TOO_SMALL);
656 }
657} 557}
658 558
659/* 559/*
660 * Returns the first archetype using the given type. 560 * Returns the first archetype using the given type.
661 * Used in treasure-generation. 561 * Used in treasure-generation.
662 */ 562 */
663
664archetype *type_to_archetype(int type) {
665 archetype *at; 563archetype *
666 564type_to_archetype (int type)
667 for(at=first_archetype;at!=NULL;at=(at->more==NULL)?at->next:at->more) 565{
668 if(at->clone.type==type) 566 for_all_archetypes (at)
567 if (at->type == type && at->head_ () != at)
669 return at; 568 return at;
569
670 return NULL; 570 return 0;
671} 571}
672 572
673/* 573/*
674 * Returns a new object copied from the first archetype matching 574 * Returns a new object copied from the first archetype matching
675 * the given type. 575 * the given type.
676 * Used in treasure-generation. 576 * Used in treasure-generation.
677 */ 577 */
678 578object *
679object *clone_arch(int type) { 579clone_arch (int type)
580{
680 archetype *at; 581 archetype *at;
681 object *op=get_object();
682 582
683 if((at=type_to_archetype(type))==NULL) { 583 if ((at = type_to_archetype (type)) == NULL)
584 {
684 LOG(llevError,"Can't clone archetype %d\n",type); 585 LOG (llevError, "Can't clone archetype %d\n", type);
685 free_object(op);
686 return NULL; 586 return 0;
687 } 587 }
688 copy_object(&at->clone,op); 588
589 object *op = at->clone ();
689 op->instantiate (); 590 op->instantiate ();
690 return op; 591 return op;
691} 592}
692 593
693/* 594/*
694 * member: make instance from class 595 * member: make instance from class
695 */ 596 */
696 597object *
697object *object_create_arch (archetype * at) 598object_create_arch (archetype *at)
698{ 599{
699 object *op, *prev = NULL, *head = NULL; 600 object *op, *prev = 0, *head = 0;
700 601
701 while (at) { 602 while (at)
603 {
702 op = arch_to_object (at); 604 op = arch_to_object (at);
605
703 op->x = at->clone.x; 606 op->x = at->x;
704 op->y = at->clone.y; 607 op->y = at->y;
608
705 if (head) 609 if (head)
706 op->head = head, prev->more = op; 610 op->head = head, prev->more = op;
611
707 if (!head) 612 if (!head)
708 head = op; 613 head = op;
614
709 prev = op; 615 prev = op;
710 at = at->more; 616 at = (archetype *)at->more;
711 } 617 }
618
712 return (head); 619 return head;
713} 620}
714 621
715/*** end of arch.c ***/

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