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Comparing deliantra/server/common/arch.C (file contents):
Revision 1.3 by root, Sat Aug 26 23:36:28 2006 UTC vs.
Revision 1.72 by root, Wed Apr 2 11:13:51 2008 UTC

1/* 1/*
2 * static char *rcsid_arch_c = 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * "$Id: arch.C,v 1.3 2006/08/26 23:36:28 root Exp $"; 3 *
4 */ 4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra 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 * Deliantra 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 <support@deliantra.net>
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 }
75 return NULL; 74 return at;
75
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;
130 }
131 return NULL; 125 return at;
126
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);
162}
163
164 /* GROS - find_best_weapon_used_match and item_matched_string moved there */
165object *find_best_weapon_used_match(object *pl, const char *params)
166 {
167 object *tmp, *best=NULL;
168 int match_val=0,tmpmatch;
169
170 for (tmp=pl->inv; tmp; tmp=tmp->below) {
171 if (tmp->invisible) continue;
172 if ((tmpmatch=item_matched_string(pl, tmp, params))>match_val)
173 {
174 if ((QUERY_FLAG(tmp, FLAG_APPLIED))&&(tmp->type==WEAPON))
175 { 213 {
176 match_val=tmpmatch; 214 if (pl->type == PLAYER)
177 best=tmp; 215 count = pl->contr->count;
216 else
217 count = 0;
178 }; 218 }
179 }
180 }
181 return best;
182 }
183 219
184 /* This is a subset of the parse_id command. Basically, name can be 220 if (!cp || cp[0] == '\0' || count < 0)
185 * a string seperated lists of things to match, with certain keywords.
186 * pl is the player (only needed to set count properly)
187 * op is the item we are trying to match. Calling function takes care
188 * of what action might need to be done and if it is valid
189 * (pickup, drop, etc.) Return NONZERO if we have a match. A higher
190 * value means a better match. 0 means no match.
191 *
192 * Brief outline of the procedure:
193 * We take apart the name variable into the individual components.
194 * cases for 'all' and unpaid are pretty obvious.
195 * Next, we check for a count (either specified in name, or in the
196 * player object.)
197 * If count is 1, make a quick check on the name.
198 * IF count is >1, we need to make plural name. Return if match.
199 * Last, make a check on the full name.
200 */
201int item_matched_string(object *pl, object *op, const char *name)
202{
203 char *cp, local_name[MAX_BUF];
204 int count,retval=0;
205 strcpy(local_name, name); /* strtok is destructive to name */
206
207 for (cp=strtok(local_name,","); cp; cp=strtok(NULL,",")) {
208 while (cp[0]==' ') ++cp; /* get rid of spaces */
209
210 /* LOG(llevDebug,"Trying to match %s\n", cp);*/
211 /* All is a very generic match - low match value */
212 if (!strcmp(cp,"all")) return 1;
213
214 /* unpaid is a little more specific */
215 if (!strcmp(cp,"unpaid") && QUERY_FLAG(op,FLAG_UNPAID)) return 2;
216 if (!strcmp(cp,"cursed") && QUERY_FLAG(op,FLAG_KNOWN_CURSED) &&
217 (QUERY_FLAG(op,FLAG_CURSED) ||QUERY_FLAG(op,FLAG_DAMNED)))
218 return 2; 221 return 0;
219 222
220 if (!strcmp(cp,"unlocked") && !QUERY_FLAG(op, FLAG_INV_LOCKED))
221 return 2;
222 223
223 /* Allow for things like '100 arrows' */
224 if ((count=atoi(cp))!=0) {
225 cp=strchr(cp, ' ');
226 while (cp && cp[0]==' ') ++cp; /* get rid of spaces */
227 }
228 else {
229 if (pl->type==PLAYER)
230 count=pl->contr->count;
231 else
232 count = 0;
233 }
234
235 if (!cp || cp[0]=='\0' || count<0) return 0;
236
237
238 /* The code here should go from highest retval to lowest. That 224 /* The code here should go from highest retval to lowest. That
239 * is because of the 'else' handling - we don't want to match on 225 * is because of the 'else' handling - we don't want to match on
240 * something and set a low retval, even though it may match a higher retcal 226 * something and set a low retval, even though it may match a higher retcal
241 * later. So keep it in descending order here, so we try for the best 227 * later. So keep it in descending order here, so we try for the best
242 * match first, and work downward. 228 * match first, and work downward.
243 */ 229 */
244 if (!strcasecmp(cp,query_name(op))) retval=20; 230 if (!strcasecmp (cp, query_name (op)))
231 retval = 20;
245 else if (!strcasecmp(cp,query_short_name(op))) retval=18; 232 else if (!strcasecmp (cp, query_short_name (op)))
246 else if (!strcasecmp(cp,query_base_name(op,0))) retval=16; 233 retval = 18;
247 else if (!strcasecmp(cp,query_base_name(op,1))) retval=16;
248 else if (op->custom_name && !strcasecmp(cp,op->custom_name)) retval=15;
249 else if (!strncasecmp(cp,query_base_name(op,0), 234 else if (!strcasecmp (cp, query_base_name (op, 0)))
250 strlen(cp))) retval=14; 235 retval = 16;
251 else if (!strncasecmp(cp,query_base_name(op,1), 236 else if (!strcasecmp (cp, query_base_name (op, 1)))
252 strlen(cp))) retval=14; 237 retval = 16;
253 238 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;
254 /* Do substring checks, so things like 'Str+1' will match. 244 /* Do substring checks, so things like 'Str+1' will match.
255 * retval of these should perhaps be lower - they are lower 245 * retval of these should perhaps be lower - they are lower
256 * then the specific strcasecmp aboves, but still higher than 246 * then the specific strcasecmp aboves, but still higher than
257 * some other match criteria. 247 * some other match criteria.
258 */ 248 */
259 else if (strstr(query_base_name(op,1), cp)) retval = 12; 249 else if (strstr (query_base_name (op, 1), cp))
250 retval = 12;
260 else if (strstr(query_base_name(op,0), cp)) retval = 12; 251 else if (strstr (query_base_name (op, 0), cp))
252 retval = 12;
261 else if (strstr(query_short_name(op), cp)) retval = 12; 253 else if (strstr (query_short_name (op), cp))
262 254 retval = 12;
263 /* Check against plural/non plural based on count. */ 255 /* Check against plural/non plural based on count. */
264 else if (count>1 && !strcasecmp(cp,op->name_pl)) { 256 else if (count > 1 && !strcasecmp (cp, op->name_pl))
265 retval=6; 257 retval = 6;
266 }
267 else if (count==1 && !strcasecmp(op->name,cp)) { 258 else if (count == 1 && !strcasecmp (op->name, cp))
268 retval=6; 259 retval = 6;
269 }
270 /* base name matched - not bad */ 260 /* base name matched - not bad */
271 else if (strcasecmp(cp,op->name)==0 && !count) retval=4; 261 else if (strcasecmp (cp, op->name) == 0 && !count)
262 retval = 4;
272 /* Check for partial custom name, but give a real low priority */ 263 /* Check for partial custom name, but give a real low priority */
273 else if (op->custom_name && strstr(op->custom_name, cp)) retval = 3; 264 else if (op->custom_name && strstr (op->custom_name, cp))
265 retval = 3;
274 266
275 if (retval) { 267 if (retval)
268 {
276 if (pl->type == PLAYER) 269 if (pl->type == PLAYER)
277 pl->contr->count=count; 270 pl->contr->count = count;
271
278 return retval; 272 return retval;
279 } 273 }
280 } 274 }
275
276 return 0;
277}
278
279archetype::archetype (const char *name)
280{
281 stub = true;
282 arch = this;
283 this->archname = this->name = this->name_pl = name;
284}
285
286archetype::~archetype ()
287{
288 unlink ();
289}
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)
281 return 0; 317 return 0;
282}
283 318
284/* 319 auto (i, ht.find (name));
285 * Initialises the internal linked list of archetypes (read from file).
286 * Then the global "empty_archetype" pointer is initialised.
287 * Then the blocksview[] array is initialised.
288 */
289 320
290void init_archetypes(void) { /* called from add_player() and edit() */ 321 if (i == ht.end ())
291 if(first_archetype!=NULL) /* Only do this once */
292 return; 322 return 0;
293 arch_init = 1; 323 else
294 load_archetypes(); 324 return i->second;
295 arch_init = 0;
296 empty_archetype=find_archetype("empty_archetype");
297/* init_blocksview();*/
298} 325}
299 326
300/*
301 * Stores debug-information about how efficient the hashtable
302 * used for archetypes has been in the static errmsg array.
303 */
304
305void arch_info(object *op) {
306 sprintf(errmsg,"%d searches and %d strcmp()'s",arch_search,arch_cmp);
307 new_draw_info(NDI_BLACK, 0, op,errmsg);
308}
309
310/*
311 * Initialise the hashtable used by the archetypes.
312 */
313
314void clear_archetable(void) {
315 memset((void *) arch_table,0,ARCHTABLE*sizeof(archetype *));
316}
317
318/*
319 * An alternative way to init the hashtable which is slower, but _works_...
320 */
321
322void init_archetable(void) {
323 archetype *at; 327archetype *
324 LOG(llevDebug," Setting up archetable...\n"); 328archetype::get (const char *name)
325 for(at=first_archetype;at!=NULL;at=(at->more==NULL)?at->next:at->more) 329{
326 add_arch(at); 330 if (!name)
327 LOG(llevDebug,"done\n"); 331 {
328} 332 LOG (llevError, "null archetype requested\n");
333 name = "(null)";
334 }
329 335
330/* 336 if (loading_arch && !strcmp (&loading_arch->archname, name))
331 * Dumps an archetype to debug-level output. 337 return loading_arch;
332 */
333 338
334void dump_arch(archetype *at) { 339 archetype *at = find (name);
335 dump_object(&at->clone);
336}
337 340
338/* 341 if (!at)
339 * Dumps _all_ archetypes to debug-level output. 342 {
340 * If you run crossfire with debug, and enter DM-mode, you can trigger 343 at = new archetype (name);
341 * this with the O key. 344 at->link ();
342 */ 345 }
343 346
344void dump_all_archetypes(void) { 347 return at;
348}
349
345 archetype *at; 350archetype *
346 for(at=first_archetype;at!=NULL;at=(at->more==NULL)?at->next:at->more) { 351archetype::read (object_thawer &f)
347 dump_arch(at); 352{
348 fprintf(logfile, "%s\n", errmsg); 353 assert (f.kw == KW_object);
354
355 std::vector<archetype *> parts;
356
357 coroapi::cede_to_tick ();
358
359 for (;;)
360 {
361 // the archetype might have been referenced earlier
362 // so try to find an existing stub archetype first
363 archetype *at = find (f.get_str ());
364
365 if (!at || !at->stub)
366 at = new archetype (f.get_str ());
367
368 f.next ();
369
370#if 0
371 // implementing it here in the server does neither allow multiple inheritence
372 // nor does it cleanly "just override". it would allow use in map files, though,
373 // and other resource files dynamically laoded (as opposed to being preprocessed).
374 // not that any of this is relevant as of yet...
375 if (f.kw == KW_inherit)
376 {
377 if (archetype *at = find (f.get_str ()))
378 *op = at->clone;
379 else
380 LOG (llevError, "archetype '%s' tries to inherit from non-existent archetype '%s'.\n",
381 &at->archname, f.get_str ());
382
383 f.next ();
384 }
385#endif
386
387 loading_arch = at; // hack to tell parse_kv et al. to behave
388 bool parse_ok = at->parse_kv (f);
389 loading_arch = 0;
390
391 if (!parse_ok)
392 goto fail;
393
394 loading_arch = at; // hack to tell parse_kv et al. to behave
395 at->post_load_check ();
396 loading_arch = 0;
397
398 parts.push_back (at);
399
400 if (f.kw != KW_more)
401 break;
402
403 f.next ();
404
405 if (f.kw != KW_object)
406 {
407 f.parse_error ("more object");
408 goto fail;
409 }
410 }
411
412 {
413 auto (at, parts.begin ());
414
415 archetype *new_head = parts.front ();
416 archetype *old_head = find (new_head->archname);
417
418 if (old_head && !old_head->is_head ())
419 {
420 LOG (llevError, "%s: unable to overwrite non-head archetype '%s' with head archetype, skipping.\n",
421 &new_head->archname, &old_head->archname);
422 goto fail;
423 }
424
425 // check that all archetypes belong to the same old object or are new
426 for (auto (at, parts.begin ()); at != parts.end (); ++at)
427 {
428 archetype *new_part = *at;
429 archetype *old_part = find (new_part->archname);
430
431 if (old_part && old_part->head_ () != old_head)
432 {
433 LOG (llevError, "%s: unable to overwrite archetype '%s' with archetype of different object, skipping.\n",
434 &new_part->archname, &((archetype *)old_part->head_ ())->archname);
435 goto fail;
436 }
437 }
438
439 // deactivate existing archetype
440 for (archetype *at = old_head; at; at = (archetype *)at->more)
441 at->unlink ();
442
443 // assemble new chain
444 new_head->min_x = new_head->max_x = new_head->x;
445 new_head->min_y = new_head->max_y = new_head->y;
446
447 archetype *less = new_head;
448 for (auto (p, parts.begin () + 1); p != parts.end (); ++p)
449 {
450 archetype *at = *p;
451
452 // some flags get inherited formt he head (probably a lot more)
453 // doing it here doesn't feel too cozy, but it allows code
454 // to ignore head checks for these flags, which saves time
455 at->flag [FLAG_ALIVE] = new_head->flag [FLAG_ALIVE];
456 at->flag [FLAG_NO_PICK] = new_head->flag [FLAG_NO_PICK];
457 at->flag [FLAG_MONSTER] = new_head->flag [FLAG_MONSTER];
458 at->flag [FLAG_IS_FLOOR] = new_head->flag [FLAG_IS_FLOOR];
459
460 if (at->x < new_head->min_x) new_head->min_x = at->x;
461 if (at->y < new_head->min_y) new_head->min_y = at->y;
462 if (at->x > new_head->max_x) new_head->max_x = at->x;
463 if (at->y > new_head->max_y) new_head->max_y = at->y;
464
465 at->head = new_head;
466 less->more = at;
467 less = at;
468 }
469
470 // now activate it
471 for (auto (p, parts.begin ()); p != parts.end (); ++p)
472 {
473 archetype *at = *p;
474 at->stub = false;
475 at->link ();
476 }
477
478 return new_head;
349 } 479 }
350}
351 480
352void free_all_archs(void) 481fail:
353{ 482 for (auto (p, parts.begin ()); p != parts.end (); ++p)
354 archetype *at, *next; 483 (*p)->destroy (true);
355 int i=0,f=0;
356 484
357 for (at=first_archetype; at!=NULL; at=next) {
358 if (at->more) next=at->more;
359 else next=at->next;
360 if (at->name) free_string(at->name);
361 if (at->clone.name) free_string(at->clone.name);
362 if (at->clone.name_pl) free_string(at->clone.name_pl);
363 if (at->clone.title) free_string(at->clone.title);
364 if (at->clone.race) free_string(at->clone.race);
365 if (at->clone.slaying) free_string(at->clone.slaying);
366 if (at->clone.msg) free_string(at->clone.msg);
367 free(at);
368 i++;
369 }
370 LOG(llevDebug,"Freed %d archetypes, %d faces\n", i, f);
371}
372
373/*
374 * Allocates, initialises and returns the pointer to an archetype structure.
375 */
376
377archetype *get_archetype_struct(void) {
378 archetype *arch;
379
380 arch=(archetype *)CALLOC(1,sizeof(archetype));
381 if(arch==NULL)
382 fatal(OUT_OF_MEMORY);
383 arch->next=NULL;
384 arch->name=NULL;
385 arch->clone.other_arch=NULL;
386 arch->clone.name=NULL;
387 arch->clone.name_pl=NULL;
388 arch->clone.title=NULL;
389 arch->clone.race=NULL;
390 arch->clone.slaying=NULL;
391 arch->clone.msg=NULL;
392 clear_object(&arch->clone); /* to initial state other also */
393 CLEAR_FLAG((&arch->clone),FLAG_FREED); /* This shouldn't matter, since copy_object() */
394 SET_FLAG((&arch->clone), FLAG_REMOVED); /* doesn't copy these flags... */
395 arch->head=NULL;
396 arch->more=NULL;
397 return arch; 485 return 0;
398} 486}
399 487
400/* 488/*
401 * Reads/parses the archetype-file, and copies into a linked list 489 * Initialize global archtype pointers:
402 * of archetype-structures.
403 */
404void first_arch_pass(FILE *fp) {
405 object *op;
406 archetype *at,*head=NULL,*last_more=NULL;
407 int i,first=2;
408
409 op=get_object();
410 op->arch=first_archetype=at=get_archetype_struct();
411
412 while((i=load_object(fp,op,first,0))) {
413 first=0;
414 copy_object(op,&at->clone);
415 at->clone.speed_left= (float) (-0.1);
416 /* copy the body_info to the body_used - this is only really
417 * need for monsters, but doesn't hurt to do it for everything.
418 * by doing so, when a monster is created, it has good starting
419 * values for the body_used info, so when items are created
420 * for it, they can be properly equipped.
421 */ 490 */
422 memcpy(&at->clone.body_used, &op->body_info, sizeof(op->body_info)); 491void
423 492init_archetype_pointers ()
424 switch(i) { 493{
425 case LL_NORMAL: /* A new archetype, just link it with the previous */ 494 ring_arch = archetype::find ("ring");
426 if(last_more!=NULL) 495 amulet_arch = archetype::find ("amulet");
427 last_more->next=at; 496 staff_arch = archetype::find ("staff");
428 if(head!=NULL) 497 crown_arch = archetype::find ("crown");
429 head->next=at; 498 empty_archetype = archetype::find ("empty_archetype");
430 head=last_more=at;
431#if 0
432 if(!op->type)
433 LOG(llevDebug," WARNING: Archetype %s has no type info!\n", op->arch->name);
434#endif
435 at->tail_x = 0;
436 at->tail_y = 0;
437 break;
438
439 case LL_MORE: /* Another part of the previous archetype, link it correctly */
440
441 at->head=head;
442 at->clone.head = &head->clone;
443 if(last_more!=NULL) {
444 last_more->more=at;
445 last_more->clone.more = &at->clone;
446 }
447 last_more=at;
448
449 /* If this multipart image is still composed of individual small
450 * images, don't set the tail_.. values. We can't use them anyways,
451 * and setting these to zero makes the map sending to the client much
452 * easier as just looking at the head, we know what to do.
453 */
454 if (at->clone.face != head->clone.face) {
455 head->tail_x = 0;
456 head->tail_y = 0;
457 } else {
458 if (at->clone.x > head->tail_x) head->tail_x = at->clone.x;
459 if (at->clone.y > head->tail_y) head->tail_y = at->clone.y;
460 }
461 break;
462
463 }
464
465 at=get_archetype_struct();
466 clear_object(op);
467 op->arch=at;
468 }
469 free(at);
470 free_object(op);
471}
472
473/*
474 * Reads the archetype file once more, and links all pointers between
475 * archetypes.
476 */
477
478void second_arch_pass(FILE *fp) {
479 char buf[MAX_BUF],*variable=buf,*argument,*cp;
480 archetype *at=NULL,*other;
481
482 while(fgets(buf,MAX_BUF,fp)!=NULL) {
483 if(*buf=='#')
484 continue;
485 if((argument=strchr(buf,' '))!=NULL) {
486 *argument='\0',argument++;
487 cp = argument + strlen(argument)-1;
488 while (isspace(*cp)) {
489 *cp='\0';
490 cp--;
491 }
492 }
493 if(!strcmp("Object",variable)) {
494 if((at=find_archetype(argument))==NULL)
495 LOG(llevError,"Warning: failed to find arch %s\n",argument);
496 } else if(!strcmp("other_arch",variable)) {
497 if(at!=NULL&&at->clone.other_arch==NULL) {
498 if((other=find_archetype(argument))==NULL)
499 LOG(llevError,"Warning: failed to find other_arch %s\n",argument);
500 else if(at!=NULL)
501 at->clone.other_arch=other;
502 }
503 } else if(!strcmp("randomitems",variable)) {
504 if(at!=NULL) {
505 treasurelist *tl=find_treasurelist(argument);
506 if(tl==NULL)
507 LOG(llevError,"Failed to link treasure to arch (%s): %s\n",at->name, argument);
508 else
509 at->clone.randomitems=tl;
510 }
511 }
512 }
513}
514
515#ifdef DEBUG
516void check_generators(void) {
517 archetype *at;
518 for(at=first_archetype;at!=NULL;at=at->next)
519 if(QUERY_FLAG(&at->clone,FLAG_GENERATOR)&&at->clone.other_arch==NULL)
520 LOG(llevError,"Warning: %s is generator but lacks other_arch.\n",
521 at->name);
522}
523#endif
524
525/*
526 * First initialises the archtype hash-table (init_archetable()).
527 * Reads and parses the archetype file (with the first and second-pass
528 * functions).
529 * Then initialises treasures by calling load_treasures().
530 */
531
532void load_archetypes(void) {
533 FILE *fp;
534 char filename[MAX_BUF];
535 int comp;
536#if TIME_ARCH_LOAD
537 struct timeval tv1,tv2;
538#endif
539
540 sprintf(filename,"%s/%s",settings.datadir,settings.archetypes);
541 LOG(llevDebug,"Reading archetypes from %s...\n",filename);
542 if((fp=open_and_uncompress(filename,0,&comp))==NULL) {
543 LOG(llevError," Can't open archetype file.\n");
544 return;
545 }
546 clear_archetable();
547 LOG(llevDebug," arch-pass 1...\n");
548#if TIME_ARCH_LOAD
549 GETTIMEOFDAY(&tv1);
550#endif
551 first_arch_pass(fp);
552#if TIME_ARCH_LOAD
553 { int sec, usec;
554 GETTIMEOFDAY(&tv2);
555 sec = tv2.tv_sec - tv1.tv_sec;
556 usec = tv2.tv_usec - tv1.tv_usec;
557 if (usec<0) { usec +=1000000; sec--;}
558 LOG(llevDebug,"Load took %d.%06d seconds\n", sec, usec);
559 }
560#endif
561
562 LOG(llevDebug," done\n");
563 init_archetable();
564 warn_archetypes=1;
565
566 /* do a close and reopen instead of a rewind - necessary in case the
567 * file has been compressed.
568 */
569 close_and_delete(fp, comp);
570 fp=open_and_uncompress(filename,0,&comp);
571
572 LOG(llevDebug," loading treasure...\n");
573 load_treasures();
574 LOG(llevDebug," done\n arch-pass 2...\n");
575 second_arch_pass(fp);
576 LOG(llevDebug," done\n");
577#ifdef DEBUG
578 check_generators();
579#endif
580 close_and_delete(fp, comp);
581 LOG(llevDebug," done\n");
582} 499}
583 500
584/* 501/*
585 * 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.
586 * This function returns NULL on failure. 503 * This function returns NULL on failure.
587 */ 504 */
588 505object *
589object *arch_to_object(archetype *at) { 506arch_to_object (archetype *at)
590 object *op; 507{
591 if(at==NULL) { 508 if (!at)
592 if(warn_archetypes) 509 {
593 LOG(llevError,"Couldn't find archetype.\n"); 510 LOG (llevError, "Couldn't find archetype.\n");
594 return NULL; 511 return 0;
595 } 512 }
596 op=get_object(); 513
597 copy_object(&at->clone,op); 514 object *op = at->clone ();
515 op->arch = at;
598 op->instantiate (); 516 op->instantiate ();
599 op->arch=at; 517
600 return op; 518 return op;
519}
520
521object *
522archetype::instance ()
523{
524 return arch_to_object (this);
601} 525}
602 526
603/* 527/*
604 * Creates an object. This function is called by get_archetype() 528 * Creates an object. This function is called by get_archetype()
605 * if it fails to find the appropriate archetype. 529 * if it fails to find the appropriate archetype.
606 * Thus get_archetype() will be guaranteed to always return 530 * Thus get_archetype() will be guaranteed to always return
607 * an object, and never NULL. 531 * an object, and never NULL.
608 */ 532 */
609 533object *
610object *create_singularity(const char *name) { 534create_singularity (const char *name)
611 object *op; 535{
536 LOG (llevError | logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
537
538 if (!strcmp (name, "bug"))
539 abort ();
540
612 char buf[MAX_BUF]; 541 char buf[MAX_BUF];
613 sprintf(buf,"%s (%s)",ARCH_SINGULARITY,name); 542 sprintf (buf, "bug, please report (%s)", name);
614 op = get_object(); 543
615 op->name = add_string(buf); 544 object *op = get_archetype ("bug");
616 op->name_pl = add_string(buf); 545 op->name = op->name_pl = buf;
617 SET_FLAG(op,FLAG_NO_PICK); 546
618 return op; 547 return op;
619} 548}
620 549
621/* 550/*
622 * Finds which archetype matches the given name, and returns a new 551 * Finds which archetype matches the given name, and returns a new
623 * object containing a copy of the archetype. 552 * object containing a copy of the archetype.
624 */ 553 */
625 554object *
626object *get_archetype(const char *name) { 555get_archetype (const char *name)
627 archetype *at; 556{
628 at = find_archetype(name); 557 archetype *at = archetype::find (name);
629 if (at == NULL) 558
559 if (!at)
630 return create_singularity(name); 560 return create_singularity (name);
561
631 return arch_to_object(at); 562 return arch_to_object (at);
632}
633
634/*
635 * Hash-function used by the arch-hashtable.
636 */
637
638unsigned long
639hasharch(const char *str, int tablesize) {
640 unsigned long hash = 0;
641 int i = 0;
642 const char *p;
643
644 /* use the one-at-a-time hash function, which supposedly is
645 * better than the djb2-like one used by perl5.005, but
646 * certainly is better then the bug used here before.
647 * see http://burtleburtle.net/bob/hash/doobs.html
648 */
649 for (p = str; i < MAXSTRING && *p; p++, i++) {
650 hash += *p;
651 hash += hash << 10;
652 hash ^= hash >> 6;
653 }
654 hash += hash << 3;
655 hash ^= hash >> 11;
656 hash += hash << 15;
657 return hash % tablesize;
658}
659
660/*
661 * Finds, using the hashtable, which archetype matches the given name.
662 * returns a pointer to the found archetype, otherwise NULL.
663 */
664
665archetype *find_archetype(const char *name) {
666 archetype *at;
667 unsigned long index;
668
669 if (name == NULL)
670 return (archetype *) NULL;
671
672 index=hasharch(name, ARCHTABLE);
673 arch_search++;
674 for(;;) {
675 at = arch_table[index];
676 if (at==NULL) {
677 if(warn_archetypes)
678 LOG(llevError,"Couldn't find archetype %s\n",name);
679 return NULL;
680 }
681 arch_cmp++;
682 if (!strcmp(at->name,name))
683 return at;
684 if(++index>=ARCHTABLE)
685 index=0;
686 }
687}
688
689/*
690 * Adds an archetype to the hashtable.
691 */
692
693static void add_arch(archetype *at) {
694 int index=hasharch(at->name, ARCHTABLE),org_index=index;
695 for(;;) {
696 if(arch_table[index]==NULL) {
697 arch_table[index]=at;
698 return;
699 }
700 if(++index==ARCHTABLE)
701 index=0;
702 if(index==org_index)
703 fatal(ARCHTABLE_TOO_SMALL);
704 }
705} 563}
706 564
707/* 565/*
708 * Returns the first archetype using the given type. 566 * Returns the first archetype using the given type.
709 * Used in treasure-generation. 567 * Used in treasure-generation.
710 */ 568 */
711
712archetype *type_to_archetype(int type) {
713 archetype *at; 569archetype *
714 570type_to_archetype (int type)
715 for(at=first_archetype;at!=NULL;at=(at->more==NULL)?at->next:at->more) 571{
716 if(at->clone.type==type) 572 for_all_archetypes (at)
573 if (at->type == type && at->head_ () != at)
717 return at; 574 return at;
575
718 return NULL; 576 return 0;
719} 577}
720 578
721/* 579/*
722 * Returns a new object copied from the first archetype matching 580 * Returns a new object copied from the first archetype matching
723 * the given type. 581 * the given type.
724 * Used in treasure-generation. 582 * Used in treasure-generation.
725 */ 583 */
726 584object *
727object *clone_arch(int type) { 585clone_arch (int type)
586{
728 archetype *at; 587 archetype *at;
729 object *op=get_object();
730 588
731 if((at=type_to_archetype(type))==NULL) { 589 if ((at = type_to_archetype (type)) == NULL)
590 {
732 LOG(llevError,"Can't clone archetype %d\n",type); 591 LOG (llevError, "Can't clone archetype %d\n", type);
733 free_object(op);
734 return NULL; 592 return 0;
735 } 593 }
736 copy_object(&at->clone,op); 594
595 object *op = at->clone ();
737 op->instantiate (); 596 op->instantiate ();
738 return op; 597 return op;
739} 598}
740 599
741/* 600/*
742 * member: make instance from class 601 * member: make instance from class
743 */ 602 */
744 603object *
745object *object_create_arch (archetype * at) 604object_create_arch (archetype *at)
746{ 605{
747 object *op, *prev = NULL, *head = NULL; 606 object *op, *prev = 0, *head = 0;
748 607
749 while (at) { 608 while (at)
609 {
750 op = arch_to_object (at); 610 op = arch_to_object (at);
611
751 op->x = at->clone.x; 612 op->x = at->x;
752 op->y = at->clone.y; 613 op->y = at->y;
614
753 if (head) 615 if (head)
754 op->head = head, prev->more = op; 616 op->head = head, prev->more = op;
617
755 if (!head) 618 if (!head)
756 head = op; 619 head = op;
620
757 prev = op; 621 prev = op;
758 at = at->more; 622 at = (archetype *)at->more;
759 } 623 }
624
760 return (head); 625 return head;
761} 626}
762 627
763/*** end of arch.c ***/

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