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Comparing deliantra/server/common/arch.C (file contents):
Revision 1.1 by elmex, Sun Aug 13 17:16:00 2006 UTC vs.
Revision 1.68 by root, Sun Jul 1 05:00:17 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 1.1 2006/08/13 17:16:00 elmex 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/* IF set, does a little timing on the archetype load. */ 30#include <tr1/functional>
35#define TIME_ARCH_LOAD 0 31#include <tr1/unordered_map>
36
37static void add_arch(archetype *at);
38
39static archetype *arch_table[ARCHTABLE];
40int arch_cmp=0; /* How many strcmp's */
41int arch_search=0; /* How many searches */
42int arch_init; /* True if doing arch initialization */
43 32
44/* The naming of these functions is really poor - they are all 33/* The naming of these functions is really poor - they are all
45 * pretty much named '.._arch_...', but they may more may not 34 * pretty much named '.._arch_...', but they may more may not
46 * return archetypes. Some make the arch_to_object call, and thus 35 * return archetypes. Some make the arch_to_object call, and thus
47 * return an object. Perhaps those should be called 'archob' functions 36 * return an object. Perhaps those should be called 'archob' functions
48 * to denote they return an object derived from the archetype. 37 * to denote they return an object derived from the archetype.
49 * MSW 2003-04-29 38 * MSW 2003-04-29
50 */ 39 */
40
41bool 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;
51 55
52/** 56/**
53 * GROS - This function retrieves an archetype given the name that appears 57 * GROS - This function retrieves an archetype given the name that appears
54 * during the game (for example, "writing pen" instead of "stylus"). 58 * during the game (for example, "writing pen" instead of "stylus").
55 * 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.
58 * Params: 62 * Params:
59 * - name: the name we're searching for (ex: "writing pen"); 63 * - name: the name we're searching for (ex: "writing pen");
60 * Return value: 64 * Return value:
61 * - the archetype found or null if nothing was found. 65 * - the archetype found or null if nothing was found.
62 */ 66 */
67archetype *
63archetype *find_archetype_by_object_name(const char *name) { 68find_archetype_by_object_name (const char *name)
64 archetype *at; 69{
70 shstr_cmp name_cmp (name);
65 71
66 if (name == NULL) 72 for_all_archetypes (at)
67 return (archetype *) NULL; 73 if (at->name == name_cmp)
68
69 for(at = first_archetype;at!=NULL;at=at->next) {
70 if (!strcmp(at->clone.name, name))
71 return at;
72 }
73 return NULL; 74 return at;
75
76 return 0;
74} 77}
75 78
76/** 79/**
77 * 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
78 * 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()
79 * except that it considers only items of the given type. 82 * except that it considers only items of the given type.
80 */ 83 */
84archetype *
81archetype *find_archetype_by_object_type_name(int type, const char *name) { 85find_archetype_by_object_type_name (int type, const char *name)
82 archetype *at; 86{
87 shstr_cmp name_cmp (name);
83 88
84 if (name == NULL) 89 for_all_archetypes (at)
85 return NULL; 90 if (at->name == name_cmp && at->type == type)
86
87 for (at = first_archetype; at != NULL; at = at->next) {
88 if (at->clone.type == type && strcmp(at->clone.name, name) == 0)
89 return at; 91 return at;
90 }
91 92
92 return NULL; 93 return 0;
93} 94}
94 95
95/* 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
96 * 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
97 * 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).
98 * If type is -1, ew don't match on type. 99 * If type is -1, ew don't match on type.
99 */ 100 */
101object *
100object *get_archetype_by_skill_name(const char *skill, int type) { 102get_archetype_by_skill_name (const char *skill, int type)
101 archetype *at; 103{
104 shstr_cmp skill_cmp (skill);
102 105
103 if (skill == NULL) 106 for_all_archetypes (at)
104 return NULL; 107 if (at->skill == skill_cmp && (type == -1 || type == at->type))
105
106 for(at = first_archetype;at!=NULL;at=at->next) {
107 if ( ((type == -1) || (type == at->clone.type)) &&
108 (!strcmp(at->clone.skill, skill)))
109 return arch_to_object(at); 108 return arch_to_object (at);
110 } 109
111 return NULL; 110 return 0;
112} 111}
113 112
114/* similiar to above - this returns the first archetype 113/* similiar to above - this returns the first archetype
115 * that matches both the type and subtype. type and subtype 114 * that matches both the type and subtype. type and subtype
116 * 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
117 * may not be very useful. This function is most useful when 116 * may not be very useful. This function is most useful when
118 * subtypes are known to be unique for a particular type 117 * subtypes are known to be unique for a particular type
119 * (eg, skills) 118 * (eg, skills)
120 */ 119 */
120archetype *
121archetype *get_archetype_by_type_subtype(int type, int subtype) { 121get_archetype_by_type_subtype (int type, int subtype)
122 archetype *at; 122{
123 123 for_all_archetypes (at)
124 for(at = first_archetype;at!=NULL;at=at->next) { 124 if ((type == -1 || type == at->type) && (subtype == -1 || subtype == at->subtype))
125 if ( ((type == -1) || (type == at->clone.type)) &&
126 (subtype == -1 || subtype == at->clone.subtype))
127 return at;
128 }
129 return NULL; 125 return at;
126
127 return 0;
130} 128}
131 129
132/** 130/**
133 * 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
134 * (for example, "writing pen" instead of "stylus"). 132 * (for example, "writing pen" instead of "stylus").
139 * 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
140 * 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
141 * 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,
142 * but it otherwise had a big memory leak. 140 * but it otherwise had a big memory leak.
143 */ 141 */
142object *
144object *get_archetype_by_object_name(const char *name) { 143get_archetype_by_object_name (const char *name)
145 archetype *at; 144{
146 char tmpname[MAX_BUF]; 145 char tmpname[MAX_BUF];
147 int i; 146 int i;
148 147
149 strncpy(tmpname,name,MAX_BUF-1); 148 assign (tmpname, name);
150 tmpname[MAX_BUF-1] = 0; 149
151 for(i=strlen(tmpname); i>0; i--) { 150 for (i = strlen (tmpname); i > 0; i--)
151 {
152 tmpname[i] = 0; 152 tmpname[i] = 0;
153
153 at = find_archetype_by_object_name(tmpname); 154 if (archetype *at = find_archetype_by_object_name (tmpname))
154 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)
155 { 207 {
156 return arch_to_object(at); 208 cp = strchr (cp, ' ');
209 while (cp && cp[0] == ' ')
210 ++cp; /* get rid of spaces */
157 } 211 }
158 } 212 else
159 return create_singularity(name);
160}
161
162 /* GROS - find_best_weapon_used_match and item_matched_string moved there */
163object *find_best_weapon_used_match(object *pl, const char *params)
164 {
165 object *tmp, *best=NULL;
166 int match_val=0,tmpmatch;
167
168 for (tmp=pl->inv; tmp; tmp=tmp->below) {
169 if (tmp->invisible) continue;
170 if ((tmpmatch=item_matched_string(pl, tmp, params))>match_val)
171 {
172 if ((QUERY_FLAG(tmp, FLAG_APPLIED))&&(tmp->type==WEAPON))
173 { 213 {
174 match_val=tmpmatch; 214 if (pl->type == PLAYER)
175 best=tmp; 215 count = pl->contr->count;
216 else
217 count = 0;
176 }; 218 }
177 }
178 }
179 return best;
180 }
181 219
182 /* This is a subset of the parse_id command. Basically, name can be 220 if (!cp || cp[0] == '\0' || count < 0)
183 * a string seperated lists of things to match, with certain keywords.
184 * pl is the player (only needed to set count properly)
185 * op is the item we are trying to match. Calling function takes care
186 * of what action might need to be done and if it is valid
187 * (pickup, drop, etc.) Return NONZERO if we have a match. A higher
188 * value means a better match. 0 means no match.
189 *
190 * Brief outline of the procedure:
191 * We take apart the name variable into the individual components.
192 * cases for 'all' and unpaid are pretty obvious.
193 * Next, we check for a count (either specified in name, or in the
194 * player object.)
195 * If count is 1, make a quick check on the name.
196 * IF count is >1, we need to make plural name. Return if match.
197 * Last, make a check on the full name.
198 */
199int item_matched_string(object *pl, object *op, const char *name)
200{
201 char *cp, local_name[MAX_BUF];
202 int count,retval=0;
203 strcpy(local_name, name); /* strtok is destructive to name */
204
205 for (cp=strtok(local_name,","); cp; cp=strtok(NULL,",")) {
206 while (cp[0]==' ') ++cp; /* get rid of spaces */
207
208 /* LOG(llevDebug,"Trying to match %s\n", cp);*/
209 /* All is a very generic match - low match value */
210 if (!strcmp(cp,"all")) return 1;
211
212 /* unpaid is a little more specific */
213 if (!strcmp(cp,"unpaid") && QUERY_FLAG(op,FLAG_UNPAID)) return 2;
214 if (!strcmp(cp,"cursed") && QUERY_FLAG(op,FLAG_KNOWN_CURSED) &&
215 (QUERY_FLAG(op,FLAG_CURSED) ||QUERY_FLAG(op,FLAG_DAMNED)))
216 return 2; 221 return 0;
217 222
218 if (!strcmp(cp,"unlocked") && !QUERY_FLAG(op, FLAG_INV_LOCKED))
219 return 2;
220 223
221 /* Allow for things like '100 arrows' */
222 if ((count=atoi(cp))!=0) {
223 cp=strchr(cp, ' ');
224 while (cp && cp[0]==' ') ++cp; /* get rid of spaces */
225 }
226 else {
227 if (pl->type==PLAYER)
228 count=pl->contr->count;
229 else
230 count = 0;
231 }
232
233 if (!cp || cp[0]=='\0' || count<0) return 0;
234
235
236 /* The code here should go from highest retval to lowest. That 224 /* The code here should go from highest retval to lowest. That
237 * 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
238 * 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
239 * 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
240 * match first, and work downward. 228 * match first, and work downward.
241 */ 229 */
242 if (!strcasecmp(cp,query_name(op))) retval=20; 230 if (!strcasecmp (cp, query_name (op)))
231 retval = 20;
243 else if (!strcasecmp(cp,query_short_name(op))) retval=18; 232 else if (!strcasecmp (cp, query_short_name (op)))
244 else if (!strcasecmp(cp,query_base_name(op,0))) retval=16; 233 retval = 18;
245 else if (!strcasecmp(cp,query_base_name(op,1))) retval=16;
246 else if (op->custom_name && !strcasecmp(cp,op->custom_name)) retval=15;
247 else if (!strncasecmp(cp,query_base_name(op,0), 234 else if (!strcasecmp (cp, query_base_name (op, 0)))
248 strlen(cp))) retval=14; 235 retval = 16;
249 else if (!strncasecmp(cp,query_base_name(op,1), 236 else if (!strcasecmp (cp, query_base_name (op, 1)))
250 strlen(cp))) retval=14; 237 retval = 16;
251 238 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;
252 /* Do substring checks, so things like 'Str+1' will match. 244 /* Do substring checks, so things like 'Str+1' will match.
253 * retval of these should perhaps be lower - they are lower 245 * retval of these should perhaps be lower - they are lower
254 * then the specific strcasecmp aboves, but still higher than 246 * then the specific strcasecmp aboves, but still higher than
255 * some other match criteria. 247 * some other match criteria.
256 */ 248 */
257 else if (strstr(query_base_name(op,1), cp)) retval = 12; 249 else if (strstr (query_base_name (op, 1), cp))
250 retval = 12;
258 else if (strstr(query_base_name(op,0), cp)) retval = 12; 251 else if (strstr (query_base_name (op, 0), cp))
252 retval = 12;
259 else if (strstr(query_short_name(op), cp)) retval = 12; 253 else if (strstr (query_short_name (op), cp))
260 254 retval = 12;
261 /* Check against plural/non plural based on count. */ 255 /* Check against plural/non plural based on count. */
262 else if (count>1 && !strcasecmp(cp,op->name_pl)) { 256 else if (count > 1 && !strcasecmp (cp, op->name_pl))
263 retval=6; 257 retval = 6;
264 }
265 else if (count==1 && !strcasecmp(op->name,cp)) { 258 else if (count == 1 && !strcasecmp (op->name, cp))
266 retval=6; 259 retval = 6;
267 }
268 /* base name matched - not bad */ 260 /* base name matched - not bad */
269 else if (strcasecmp(cp,op->name)==0 && !count) retval=4; 261 else if (strcasecmp (cp, op->name) == 0 && !count)
262 retval = 4;
270 /* Check for partial custom name, but give a real low priority */ 263 /* Check for partial custom name, but give a real low priority */
271 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;
272 266
273 if (retval) { 267 if (retval)
268 {
274 if (pl->type == PLAYER) 269 if (pl->type == PLAYER)
275 pl->contr->count=count; 270 pl->contr->count = count;
271
276 return retval; 272 return retval;
277 } 273 }
278 } 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 if (!strcmp (&archname, "Gaea")) fprintf (stderr, "oI\n");//D
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)
279 return 0; 317 return 0;
280}
281 318
282/* 319 auto (i, ht.find (name));
283 * Initialises the internal linked list of archetypes (read from file).
284 * Then the global "empty_archetype" pointer is initialised.
285 * Then the blocksview[] array is initialised.
286 */
287 320
288void init_archetypes(void) { /* called from add_player() and edit() */ 321 if (i == ht.end ())
289 if(first_archetype!=NULL) /* Only do this once */
290 return; 322 return 0;
291 arch_init = 1; 323 else
292 load_archetypes(); 324 return i->second;
293 arch_init = 0;
294 empty_archetype=find_archetype("empty_archetype");
295/* init_blocksview();*/
296} 325}
297 326
298/*
299 * Stores debug-information about how efficient the hashtable
300 * used for archetypes has been in the static errmsg array.
301 */
302
303void arch_info(object *op) {
304 sprintf(errmsg,"%d searches and %d strcmp()'s",arch_search,arch_cmp);
305 new_draw_info(NDI_BLACK, 0, op,errmsg);
306}
307
308/*
309 * Initialise the hashtable used by the archetypes.
310 */
311
312void clear_archetable(void) {
313 memset((void *) arch_table,0,ARCHTABLE*sizeof(archetype *));
314}
315
316/*
317 * An alternative way to init the hashtable which is slower, but _works_...
318 */
319
320void init_archetable(void) {
321 archetype *at; 327archetype *
322 LOG(llevDebug," Setting up archetable...\n"); 328archetype::get (const char *name)
323 for(at=first_archetype;at!=NULL;at=(at->more==NULL)?at->next:at->more) 329{
324 add_arch(at); 330 if (!name)
325 LOG(llevDebug,"done\n"); 331 {
326} 332 LOG (llevError, "null archetype requested\n");
333 name = "(null)";
334 }
327 335
328/* 336 archetype *at = find (name);
329 * Dumps an archetype to debug-level output.
330 */
331 337
332void dump_arch(archetype *at) { 338 if (!at)
333 dump_object(&at->clone); 339 {
334} 340 at = new archetype (name);
341 at->link ();
342 }
335 343
336/* 344 return at;
337 * Dumps _all_ archetypes to debug-level output. 345}
338 * If you run crossfire with debug, and enter DM-mode, you can trigger
339 * this with the O key.
340 */
341 346
342void dump_all_archetypes(void) {
343 archetype *at; 347archetype *
344 for(at=first_archetype;at!=NULL;at=(at->more==NULL)?at->next:at->more) { 348archetype::read (object_thawer &f)
345 dump_arch(at); 349{
346 fprintf(logfile, "%s\n", errmsg); 350 assert (f.kw == KW_object);
351
352 loading_arch = true; // hack to tell parse_kv et al. to behave
353
354 std::vector<archetype *> parts;
355
356 coroapi::cede_to_tick_every (10);
357
358 for (;;)
359 {
360 // the archetype might have been referenced earlier
361 // so try to find an existing stub archetype first
362 archetype *at = find (f.get_str ());
363
364 if (!at || !at->stub)
365 at = new archetype (f.get_str ());
366
367 f.next ();
368
369#if 0
370 // implementing it here in the server does neither allow multiple inheritence
371 // nor does it cleanly "just override". it would allow use in map files, though,
372 // and other resource files dynamically laoded (as opposed to being preprocessed).
373 // not that any of this is relevant as of yet...
374 if (f.kw == KW_inherit)
375 {
376 if (archetype *at = find (f.get_str ()))
377 *op = at->clone;
378 else
379 LOG (llevError, "archetype '%s' tries to inherit from non-existent archetype '%s'.\n",
380 &at->archname, f.get_str ());
381
382 f.next ();
383 }
384#endif
385
386 if (!at->parse_kv (f))
387 goto fail;
388
389 at->post_load_check ();
390
391 parts.push_back (at);
392
393 if (f.kw != KW_more)
394 break;
395
396 f.next ();
397
398 if (f.kw != KW_object)
399 {
400 f.parse_error ("more object");
401 goto fail;
402 }
403 }
404
405 loading_arch = false;
406
407 {
408 auto (at, parts.begin ());
409
410 archetype *new_head = parts.front ();
411 archetype *old_head = find (new_head->archname);
412
413 if (old_head && !old_head->is_head ())
414 {
415 LOG (llevError, "%s: unable to overwrite non-head archetype '%s' with head archetype, skipping.\n",
416 &new_head->archname, &old_head->archname);
417 goto fail;
418 }
419
420 // check that all archetypes belong to the same old object or are new
421 for (auto (at, parts.begin ()); at != parts.end (); ++at)
422 {
423 archetype *new_part = *at;
424 archetype *old_part = find (new_part->archname);
425
426 if (old_part && old_part->head_ () != old_head)
427 {
428 LOG (llevError, "%s: unable to overwrite archetype '%s' with archetype of different object, skipping.\n",
429 &new_part->archname, &((archetype *)old_part->head_ ())->archname);
430 goto fail;
431 }
432 }
433
434 // deactivate existing archetype
435 for (archetype *at = old_head; at; at = (archetype *)at->more)
436 at->unlink ();
437
438 // assemble new chain
439 new_head->min_x = new_head->max_x = new_head->x;
440 new_head->min_y = new_head->max_y = new_head->y;
441
442 archetype *less = new_head;
443 for (auto (p, parts.begin () + 1); p != parts.end (); ++p)
444 {
445 archetype *at = *p;
446
447 // some flags get inherited formt he head (probably a lot more)
448 // doing it here doesn't feel too cozy, but it allows code
449 // to ignore head checks for these flags, which saves time
450 at->flag [FLAG_ALIVE] = new_head->flag [FLAG_ALIVE];
451 at->flag [FLAG_NO_PICK] = new_head->flag [FLAG_NO_PICK];
452 at->flag [FLAG_MONSTER] = new_head->flag [FLAG_MONSTER];
453 at->flag [FLAG_IS_FLOOR] = new_head->flag [FLAG_IS_FLOOR];
454
455 if (at->x < new_head->min_x) new_head->min_x = at->x;
456 if (at->y < new_head->min_y) new_head->min_y = at->y;
457 if (at->x > new_head->max_x) new_head->max_x = at->x;
458 if (at->y > new_head->max_y) new_head->max_y = at->y;
459
460 at->head = new_head;
461 less->more = at;
462 less = at;
463 }
464
465 // now activate it
466 for (auto (p, parts.begin ()); p != parts.end (); ++p)
467 {
468 archetype *at = *p;
469 at->stub = false;
470 at->link ();
471 }
472
473 return new_head;
347 } 474 }
348}
349 475
350void free_all_archs(void) 476fail:
351{ 477 for (auto (p, parts.begin ()); p != parts.end (); ++p)
352 archetype *at, *next; 478 (*p)->destroy (true);
353 int i=0,f=0;
354 479
355 for (at=first_archetype; at!=NULL; at=next) { 480 loading_arch = false;
356 if (at->more) next=at->more;
357 else next=at->next;
358 if (at->name) free_string(at->name);
359 if (at->clone.name) free_string(at->clone.name);
360 if (at->clone.name_pl) free_string(at->clone.name_pl);
361 if (at->clone.title) free_string(at->clone.title);
362 if (at->clone.race) free_string(at->clone.race);
363 if (at->clone.slaying) free_string(at->clone.slaying);
364 if (at->clone.msg) free_string(at->clone.msg);
365 free(at);
366 i++;
367 }
368 LOG(llevDebug,"Freed %d archetypes, %d faces\n", i, f);
369}
370
371/*
372 * Allocates, initialises and returns the pointer to an archetype structure.
373 */
374
375archetype *get_archetype_struct(void) {
376 archetype *arch;
377
378 arch=(archetype *)CALLOC(1,sizeof(archetype));
379 if(arch==NULL)
380 fatal(OUT_OF_MEMORY);
381 arch->next=NULL;
382 arch->name=NULL;
383 arch->clone.other_arch=NULL;
384 arch->clone.name=NULL;
385 arch->clone.name_pl=NULL;
386 arch->clone.title=NULL;
387 arch->clone.race=NULL;
388 arch->clone.slaying=NULL;
389 arch->clone.msg=NULL;
390 clear_object(&arch->clone); /* to initial state other also */
391 CLEAR_FLAG((&arch->clone),FLAG_FREED); /* This shouldn't matter, since copy_object() */
392 SET_FLAG((&arch->clone), FLAG_REMOVED); /* doesn't copy these flags... */
393 arch->head=NULL;
394 arch->more=NULL;
395 return arch; 481 return 0;
396} 482}
397 483
398/* 484/*
399 * Reads/parses the archetype-file, and copies into a linked list 485 * Initialize global archtype pointers:
400 * of archetype-structures.
401 */
402void first_arch_pass(FILE *fp) {
403 object *op;
404 archetype *at,*head=NULL,*last_more=NULL;
405 int i,first=2;
406
407 op=get_object();
408 op->arch=first_archetype=at=get_archetype_struct();
409
410 while((i=load_object(fp,op,first,0))) {
411 first=0;
412 copy_object(op,&at->clone);
413 at->clone.speed_left= (float) (-0.1);
414 /* copy the body_info to the body_used - this is only really
415 * need for monsters, but doesn't hurt to do it for everything.
416 * by doing so, when a monster is created, it has good starting
417 * values for the body_used info, so when items are created
418 * for it, they can be properly equipped.
419 */ 486 */
420 memcpy(&at->clone.body_used, &op->body_info, sizeof(op->body_info)); 487void
421 488init_archetype_pointers ()
422 switch(i) { 489{
423 case LL_NORMAL: /* A new archetype, just link it with the previous */ 490 ring_arch = archetype::find ("ring");
424 if(last_more!=NULL) 491 amulet_arch = archetype::find ("amulet");
425 last_more->next=at; 492 staff_arch = archetype::find ("staff");
426 if(head!=NULL) 493 crown_arch = archetype::find ("crown");
427 head->next=at; 494 empty_archetype = archetype::find ("empty_archetype");
428 head=last_more=at;
429#if 0
430 if(!op->type)
431 LOG(llevDebug," WARNING: Archetype %s has no type info!\n", op->arch->name);
432#endif
433 at->tail_x = 0;
434 at->tail_y = 0;
435 break;
436
437 case LL_MORE: /* Another part of the previous archetype, link it correctly */
438
439 at->head=head;
440 at->clone.head = &head->clone;
441 if(last_more!=NULL) {
442 last_more->more=at;
443 last_more->clone.more = &at->clone;
444 }
445 last_more=at;
446
447 /* If this multipart image is still composed of individual small
448 * images, don't set the tail_.. values. We can't use them anyways,
449 * and setting these to zero makes the map sending to the client much
450 * easier as just looking at the head, we know what to do.
451 */
452 if (at->clone.face != head->clone.face) {
453 head->tail_x = 0;
454 head->tail_y = 0;
455 } else {
456 if (at->clone.x > head->tail_x) head->tail_x = at->clone.x;
457 if (at->clone.y > head->tail_y) head->tail_y = at->clone.y;
458 }
459 break;
460
461 }
462
463 at=get_archetype_struct();
464 clear_object(op);
465 op->arch=at;
466 }
467 free(at);
468 free_object(op);
469}
470
471/*
472 * Reads the archetype file once more, and links all pointers between
473 * archetypes.
474 */
475
476void second_arch_pass(FILE *fp) {
477 char buf[MAX_BUF],*variable=buf,*argument,*cp;
478 archetype *at=NULL,*other;
479
480 while(fgets(buf,MAX_BUF,fp)!=NULL) {
481 if(*buf=='#')
482 continue;
483 if((argument=strchr(buf,' '))!=NULL) {
484 *argument='\0',argument++;
485 cp = argument + strlen(argument)-1;
486 while (isspace(*cp)) {
487 *cp='\0';
488 cp--;
489 }
490 }
491 if(!strcmp("Object",variable)) {
492 if((at=find_archetype(argument))==NULL)
493 LOG(llevError,"Warning: failed to find arch %s\n",argument);
494 } else if(!strcmp("other_arch",variable)) {
495 if(at!=NULL&&at->clone.other_arch==NULL) {
496 if((other=find_archetype(argument))==NULL)
497 LOG(llevError,"Warning: failed to find other_arch %s\n",argument);
498 else if(at!=NULL)
499 at->clone.other_arch=other;
500 }
501 } else if(!strcmp("randomitems",variable)) {
502 if(at!=NULL) {
503 treasurelist *tl=find_treasurelist(argument);
504 if(tl==NULL)
505 LOG(llevError,"Failed to link treasure to arch (%s): %s\n",at->name, argument);
506 else
507 at->clone.randomitems=tl;
508 }
509 }
510 }
511}
512
513#ifdef DEBUG
514void check_generators(void) {
515 archetype *at;
516 for(at=first_archetype;at!=NULL;at=at->next)
517 if(QUERY_FLAG(&at->clone,FLAG_GENERATOR)&&at->clone.other_arch==NULL)
518 LOG(llevError,"Warning: %s is generator but lacks other_arch.\n",
519 at->name);
520}
521#endif
522
523/*
524 * First initialises the archtype hash-table (init_archetable()).
525 * Reads and parses the archetype file (with the first and second-pass
526 * functions).
527 * Then initialises treasures by calling load_treasures().
528 */
529
530void load_archetypes(void) {
531 FILE *fp;
532 char filename[MAX_BUF];
533 int comp;
534#if TIME_ARCH_LOAD
535 struct timeval tv1,tv2;
536#endif
537
538 sprintf(filename,"%s/%s",settings.datadir,settings.archetypes);
539 LOG(llevDebug,"Reading archetypes from %s...\n",filename);
540 if((fp=open_and_uncompress(filename,0,&comp))==NULL) {
541 LOG(llevError," Can't open archetype file.\n");
542 return;
543 }
544 clear_archetable();
545 LOG(llevDebug," arch-pass 1...\n");
546#if TIME_ARCH_LOAD
547 GETTIMEOFDAY(&tv1);
548#endif
549 first_arch_pass(fp);
550#if TIME_ARCH_LOAD
551 { int sec, usec;
552 GETTIMEOFDAY(&tv2);
553 sec = tv2.tv_sec - tv1.tv_sec;
554 usec = tv2.tv_usec - tv1.tv_usec;
555 if (usec<0) { usec +=1000000; sec--;}
556 LOG(llevDebug,"Load took %d.%06d seconds\n", sec, usec);
557 }
558#endif
559
560 LOG(llevDebug," done\n");
561 init_archetable();
562 warn_archetypes=1;
563
564 /* do a close and reopen instead of a rewind - necessary in case the
565 * file has been compressed.
566 */
567 close_and_delete(fp, comp);
568 fp=open_and_uncompress(filename,0,&comp);
569
570 LOG(llevDebug," loading treasure...\n");
571 load_treasures();
572 LOG(llevDebug," done\n arch-pass 2...\n");
573 second_arch_pass(fp);
574 LOG(llevDebug," done\n");
575#ifdef DEBUG
576 check_generators();
577#endif
578 close_and_delete(fp, comp);
579 LOG(llevDebug," done\n");
580} 495}
581 496
582/* 497/*
583 * Creates and returns a new object which is a copy of the given archetype. 498 * Creates and returns a new object which is a copy of the given archetype.
584 * This function returns NULL on failure. 499 * This function returns NULL on failure.
585 */ 500 */
586 501object *
587object *arch_to_object(archetype *at) { 502arch_to_object (archetype *at)
588 object *op; 503{
589 if(at==NULL) { 504 if (!at)
590 if(warn_archetypes) 505 {
591 LOG(llevError,"Couldn't find archetype.\n"); 506 LOG (llevError, "Couldn't find archetype.\n");
592 return NULL; 507 return 0;
593 } 508 }
594 op=get_object(); 509
595 copy_object(&at->clone,op); 510 object *op = at->clone ();
596 op->arch=at; 511 op->arch = at;
512 op->instantiate ();
513
597 return op; 514 return op;
598} 515}
599 516
600/* 517/*
601 * Creates an object. This function is called by get_archetype() 518 * Creates an object. This function is called by get_archetype()
602 * if it fails to find the appropriate archetype. 519 * if it fails to find the appropriate archetype.
603 * Thus get_archetype() will be guaranteed to always return 520 * Thus get_archetype() will be guaranteed to always return
604 * an object, and never NULL. 521 * an object, and never NULL.
605 */ 522 */
606 523object *
607object *create_singularity(const char *name) { 524create_singularity (const char *name)
608 object *op; 525{
526 LOG (llevError | logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
527
528 if (!strcmp (name, "bug"))
529 abort ();
530
609 char buf[MAX_BUF]; 531 char buf[MAX_BUF];
610 sprintf(buf,"%s (%s)",ARCH_SINGULARITY,name); 532 sprintf (buf, "bug, please report (%s)", name);
611 op = get_object(); 533
612 op->name = add_string(buf); 534 object *op = get_archetype ("bug");
613 op->name_pl = add_string(buf); 535 op->name = op->name_pl = buf;
614 SET_FLAG(op,FLAG_NO_PICK); 536
615 return op; 537 return op;
616} 538}
617 539
618/* 540/*
619 * Finds which archetype matches the given name, and returns a new 541 * Finds which archetype matches the given name, and returns a new
620 * object containing a copy of the archetype. 542 * object containing a copy of the archetype.
621 */ 543 */
622 544object *
623object *get_archetype(const char *name) { 545get_archetype (const char *name)
624 archetype *at; 546{
625 at = find_archetype(name); 547 archetype *at = archetype::find (name);
626 if (at == NULL) 548
549 if (!at)
627 return create_singularity(name); 550 return create_singularity (name);
551
628 return arch_to_object(at); 552 return arch_to_object (at);
629}
630
631/*
632 * Hash-function used by the arch-hashtable.
633 */
634
635unsigned long
636hasharch(const char *str, int tablesize) {
637 unsigned long hash = 0;
638 int i = 0;
639 const char *p;
640
641 /* use the one-at-a-time hash function, which supposedly is
642 * better than the djb2-like one used by perl5.005, but
643 * certainly is better then the bug used here before.
644 * see http://burtleburtle.net/bob/hash/doobs.html
645 */
646 for (p = str; i < MAXSTRING && *p; p++, i++) {
647 hash += *p;
648 hash += hash << 10;
649 hash ^= hash >> 6;
650 }
651 hash += hash << 3;
652 hash ^= hash >> 11;
653 hash += hash << 15;
654 return hash % tablesize;
655}
656
657/*
658 * Finds, using the hashtable, which archetype matches the given name.
659 * returns a pointer to the found archetype, otherwise NULL.
660 */
661
662archetype *find_archetype(const char *name) {
663 archetype *at;
664 unsigned long index;
665
666 if (name == NULL)
667 return (archetype *) NULL;
668
669 index=hasharch(name, ARCHTABLE);
670 arch_search++;
671 for(;;) {
672 at = arch_table[index];
673 if (at==NULL) {
674 if(warn_archetypes)
675 LOG(llevError,"Couldn't find archetype %s\n",name);
676 return NULL;
677 }
678 arch_cmp++;
679 if (!strcmp(at->name,name))
680 return at;
681 if(++index>=ARCHTABLE)
682 index=0;
683 }
684}
685
686/*
687 * Adds an archetype to the hashtable.
688 */
689
690static void add_arch(archetype *at) {
691 int index=hasharch(at->name, ARCHTABLE),org_index=index;
692 for(;;) {
693 if(arch_table[index]==NULL) {
694 arch_table[index]=at;
695 return;
696 }
697 if(++index==ARCHTABLE)
698 index=0;
699 if(index==org_index)
700 fatal(ARCHTABLE_TOO_SMALL);
701 }
702} 553}
703 554
704/* 555/*
705 * Returns the first archetype using the given type. 556 * Returns the first archetype using the given type.
706 * Used in treasure-generation. 557 * Used in treasure-generation.
707 */ 558 */
708
709archetype *type_to_archetype(int type) {
710 archetype *at; 559archetype *
711 560type_to_archetype (int type)
712 for(at=first_archetype;at!=NULL;at=(at->more==NULL)?at->next:at->more) 561{
713 if(at->clone.type==type) 562 for_all_archetypes (at)
563 if (at->type == type && at->head_ () != at)
714 return at; 564 return at;
565
715 return NULL; 566 return 0;
716} 567}
717 568
718/* 569/*
719 * Returns a new object copied from the first archetype matching 570 * Returns a new object copied from the first archetype matching
720 * the given type. 571 * the given type.
721 * Used in treasure-generation. 572 * Used in treasure-generation.
722 */ 573 */
723 574object *
724object *clone_arch(int type) { 575clone_arch (int type)
576{
725 archetype *at; 577 archetype *at;
726 object *op=get_object();
727 578
728 if((at=type_to_archetype(type))==NULL) { 579 if ((at = type_to_archetype (type)) == NULL)
580 {
729 LOG(llevError,"Can't clone archetype %d\n",type); 581 LOG (llevError, "Can't clone archetype %d\n", type);
730 free_object(op);
731 return NULL; 582 return 0;
732 } 583 }
733 copy_object(&at->clone,op); 584
585 object *op = at->clone ();
586 op->instantiate ();
734 return op; 587 return op;
735} 588}
736 589
737/* 590/*
738 * member: make instance from class 591 * member: make instance from class
739 */ 592 */
740 593object *
741object *object_create_arch (archetype * at) 594object_create_arch (archetype *at)
742{ 595{
743 object *op, *prev = NULL, *head = NULL; 596 object *op, *prev = 0, *head = 0;
744 597
745 while (at) { 598 while (at)
599 {
746 op = arch_to_object (at); 600 op = arch_to_object (at);
601
747 op->x = at->clone.x; 602 op->x = at->x;
748 op->y = at->clone.y; 603 op->y = at->y;
604
749 if (head) 605 if (head)
750 op->head = head, prev->more = op; 606 op->head = head, prev->more = op;
607
751 if (!head) 608 if (!head)
752 head = op; 609 head = op;
610
753 prev = op; 611 prev = op;
754 at = at->more; 612 at = (archetype *)at->more;
755 } 613 }
614
756 return (head); 615 return head;
757} 616}
758 617
759/*** end of arch.c ***/

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