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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 1.118 by root, Tue Nov 27 18:50:22 2018 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 1.1 2006/08/13 17:16:00 elmex Exp $";
4 */ 3 *
4 * Copyright (©) 2017,2018 Marc Alexander Lehmann / the Deliantra team
5 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
6 * Copyright (©) 2002 Mark Wedel & Crossfire Development Team
7 * Copyright (©) 1992 Frank Tore Johansen
8 *
9 * Deliantra is free software: you can redistribute it and/or modify it under
10 * the terms of the Affero GNU General Public License as published by the
11 * Free Software Foundation, either version 3 of the License, or (at your
12 * option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the Affero GNU General Public License
20 * and the GNU General Public License along with this program. If not, see
21 * <http://www.gnu.org/licenses/>.
22 *
23 * The authors can be reached via e-mail to <support@deliantra.net>
24 */
25
26#include <cassert>
27#include <functional>
28
29#include <flat_hash_map.hpp>
30
31#include <global.h>
32
33archetype *loading_arch; // ugly flag to object loader etc. to suppress/request special processing
34arch_ptr archetype::empty;
35
36// the hashtable
37typedef ska::flat_hash_map
38 <
39 const char *,
40 arch_ptr,
41 str_hash,
42 str_equal,
43 slice_allocator< std::pair<const char *const, arch_ptr> >
44 > HT;
45
46static HT ht (10000);
47archvec archetypes;
48static unordered_vector<archetype *> allarch;
49static int dirtycnt;
50
51// the vector of other_arch references to be resolved
52static std::vector< std::pair<arch_ptr *, shstr> > postponed_arch_ref;
53// the vector of loaded but not yet committed archetypes
54static std::vector<archetype *> postponed_arch;
55
56//+GPL
5 57
6/* 58/*
7 CrossFire, A Multiplayer game for X-windows 59 * Creates an object. This function is called by archetype::get ()
8 60 * if it fails to find the appropriate archetype.
9 Copyright (C) 2002 Mark Wedel & Crossfire Development Team 61 * Thus archetype::get() will be guaranteed to always return
10 Copyright (C) 1992 Frank Tore Johansen 62 * an object, and never NULL.
11
12 This program is free software; you can redistribute it and/or modify
13 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
15 (at your option) any later version.
16
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
21
22 You should have received a copy of the GNU General Public License
23 along with this program; if not, write to the Free Software
24 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25
26 The authors can be reached via e-mail at crossfire-devel@real-time.com
27*/ 63 */
64static object *
65create_singularity (const char *name)
66{
67 LOG (llevError | logBacktrace, "FATAL: creating singularity for '%s'.\n", name);
28 68
29#include <global.h> 69 if (!strcmp (name, "bug"))
30#include <arch.h> 70 abort ();
31#include <funcpoint.h>
32#include <loader.h>
33 71
34/* IF set, does a little timing on the archetype load. */ 72 object *op = archetype::get (shstr_bug);
35#define TIME_ARCH_LOAD 0 73 op->name = op->name_pl = format ("bug, please report (missing archetype %s)", name);
36 74
37static void add_arch(archetype *at); 75 return op;
38 76}
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
44/* The naming of these functions is really poor - they are all
45 * pretty much named '.._arch_...', but they may more may not
46 * return archetypes. Some make the arch_to_object call, and thus
47 * return an object. Perhaps those should be called 'archob' functions
48 * to denote they return an object derived from the archetype.
49 * MSW 2003-04-29
50 */
51 77
52/** 78/**
53 * GROS - This function retrieves an archetype given the name that appears 79 * GROS - This function retrieves an archetype given the name that appears
54 * during the game (for example, "writing pen" instead of "stylus"). 80 * 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. 81 * It does not use the hashtable system, but browse the whole archlist each time.
58 * Params: 84 * Params:
59 * - name: the name we're searching for (ex: "writing pen"); 85 * - name: the name we're searching for (ex: "writing pen");
60 * Return value: 86 * Return value:
61 * - the archetype found or null if nothing was found. 87 * - the archetype found or null if nothing was found.
62 */ 88 */
89archetype *
63archetype *find_archetype_by_object_name(const char *name) { 90find_archetype_by_object_name (const char *name)
64 archetype *at; 91{
92 shstr_cmp name_cmp (name);
65 93
66 if (name == NULL) 94 for_all_archetypes (at)
67 return (archetype *) NULL; 95 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; 96 return at;
97
98 return 0;
74} 99}
75 100
76/** 101/**
77 * This function retrieves an archetype by type and name that appears during 102 * 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() 103 * the game. It is basically the same as find_archetype_by_object_name()
79 * except that it considers only items of the given type. 104 * except that it considers only items of the given type.
80 */ 105 */
106archetype *
81archetype *find_archetype_by_object_type_name(int type, const char *name) { 107find_archetype_by_object_type_name (int type, const char *name)
82 archetype *at; 108{
109 shstr_cmp name_cmp (name);
83 110
84 if (name == NULL) 111 for_all_archetypes (at)
85 return NULL; 112 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; 113 return at;
90 }
91 114
92 return NULL; 115 return 0;
93} 116}
94 117
95/* This is a lot like the above function. Instead, we are trying to match 118/* 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 119 * 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). 120 * against (eg, to only match against skills or only skill objects for example).
98 * If type is -1, ew don't match on type. 121 * If type is -1, ew don't match on type.
99 */ 122 */
123object *
100object *get_archetype_by_skill_name(const char *skill, int type) { 124get_archetype_by_skill_name (const char *skill, int type)
101 archetype *at; 125{
126 shstr_cmp skill_cmp (skill);
102 127
103 if (skill == NULL) 128 for_all_archetypes (at)
104 return NULL; 129 if (at->skill == skill_cmp && (type == -1 || type == at->type))
130 return at->instance ();
105 131
106 for(at = first_archetype;at!=NULL;at=at->next) { 132 return 0;
107 if ( ((type == -1) || (type == at->clone.type)) &&
108 (!strcmp(at->clone.skill, skill)))
109 return arch_to_object(at);
110 }
111 return NULL;
112} 133}
113 134
114/* similiar to above - this returns the first archetype 135/* similiar to above - this returns the first archetype
115 * that matches both the type and subtype. type and subtype 136 * 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 137 * 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 138 * may not be very useful. This function is most useful when
118 * subtypes are known to be unique for a particular type 139 * subtypes are known to be unique for a particular type
119 * (eg, skills) 140 * (eg, skills)
120 */ 141 */
142archetype *
121archetype *get_archetype_by_type_subtype(int type, int subtype) { 143get_archetype_by_type_subtype (int type, int subtype)
122 archetype *at; 144{
123 145 for_all_archetypes (at)
124 for(at = first_archetype;at!=NULL;at=at->next) { 146 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; 147 return at;
148
149 return 0;
130} 150}
131 151
132/** 152/**
133 * GROS - this returns a new object given the name that appears during the game 153 * GROS - this returns a new object given the name that appears during the game
134 * (for example, "writing pen" instead of "stylus"). 154 * (for example, "writing pen" instead of "stylus").
136 * - name: The name we're searching for (ex: "writing pen"); 156 * - name: The name we're searching for (ex: "writing pen");
137 * Return value: 157 * Return value:
138 * - a corresponding object if found; a singularity object if not found. 158 * - a corresponding object if found; a singularity object if not found.
139 * Note by MSW - it appears that it takes the full name and keeps 159 * 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 160 * 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, 161 * doesn't allocate it each time - not that this function is used much,
142 * but it otherwise had a big memory leak. 162 * but it otherwise had a big memory leak.
143 */ 163 */
164object *
144object *get_archetype_by_object_name(const char *name) { 165get_archetype_by_object_name (const char *name)
145 archetype *at; 166{
146 char tmpname[MAX_BUF]; 167 char tmpname[MAX_BUF];
147 int i;
148 168
149 strncpy(tmpname,name,MAX_BUF-1); 169 assign (tmpname, name);
150 tmpname[MAX_BUF-1] = 0; 170
151 for(i=strlen(tmpname); i>0; i--) { 171 for (int i = strlen (tmpname); i > 0; i--)
172 {
152 tmpname[i] = 0; 173 tmpname[i] = 0;
174
153 at = find_archetype_by_object_name(tmpname); 175 if (archetype *at = find_archetype_by_object_name (tmpname))
154 if (at !=NULL) 176 return at->instance ();
177 }
178
179 return create_singularity (name);
180}
181
182/* This is a subset of the parse_id command. Basically, name can be
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
200item_matched_string (object *pl, object *op, const char *name)
201{
202 char *cp, local_name[MAX_BUF];
203 int count, retval = 0;
204
205 assign (local_name, name); /* strtok is destructive to name */
206
207 for (cp = strtok (local_name, ","); cp; cp = strtok (NULL, ","))
208 {
209 while (cp[0] == ' ')
210 ++cp; /* get rid of spaces */
211
212 /* LOG(llevDebug,"Trying to match %s\n", cp); */
213 /* All is a very generic match - low match value */
214 if (!strcmp (cp, "all"))
215 return 1;
216
217 /* unpaid is a little more specific */
218 if (!strcmp (cp, "unpaid") && op->flag [FLAG_UNPAID])
219 return 2;
220
221 if (!strcmp (cp, "cursed") && op->flag [FLAG_KNOWN_CURSED] && (op->flag [FLAG_CURSED] || op->flag [FLAG_DAMNED]))
222 return 2;
223
224 if (!strcmp (cp, "unlocked") && !op->flag [FLAG_INV_LOCKED])
225 return 2;
226
227 /* Allow for things like '100 arrows' */
228 if ((count = atoi (cp)) != 0)
155 { 229 {
156 return arch_to_object(at); 230 cp = strchr (cp, ' ');
231 while (cp && cp[0] == ' ')
232 ++cp; /* get rid of spaces */
157 } 233 }
158 } 234 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 { 235 {
174 match_val=tmpmatch; 236 if (pl->type == PLAYER)
175 best=tmp; 237 count = pl->contr->count;
238 else
239 count = 0;
176 }; 240 }
177 }
178 }
179 return best;
180 }
181 241
182 /* This is a subset of the parse_id command. Basically, name can be 242 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; 243 return 0;
217 244
218 if (!strcmp(cp,"unlocked") && !QUERY_FLAG(op, FLAG_INV_LOCKED))
219 return 2;
220 245
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 246 /* 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 247 * 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 248 * 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 249 * later. So keep it in descending order here, so we try for the best
240 * match first, and work downward. 250 * match first, and work downward.
241 */ 251 */
252 const char *qbn0, *qbn1, *qsn; // query base name/short name caches
253
242 if (!strcasecmp(cp,query_name(op))) retval=20; 254 if (!strcasecmp (cp, query_name (op)))
255 retval = 20;
243 else if (!strcasecmp(cp,query_short_name(op))) retval=18; 256 else if (!strcasecmp (cp, qsn = query_short_name (op)))
257 retval = 18;
244 else if (!strcasecmp(cp,query_base_name(op,0))) retval=16; 258 else if (!strcasecmp (cp, qbn0 = query_base_name (op, 0)))
259 retval = 16;
245 else if (!strcasecmp(cp,query_base_name(op,1))) retval=16; 260 else if (!strcasecmp (cp, qbn1 = query_base_name (op, 1)))
261 retval = 16;
246 else if (op->custom_name && !strcasecmp(cp,op->custom_name)) retval=15; 262 else if (op->custom_name && !strcasecmp (cp, op->custom_name))
247 else if (!strncasecmp(cp,query_base_name(op,0), 263 retval = 15;
248 strlen(cp))) retval=14; 264 else if (!strncasecmp (cp, qbn0, strlen (cp)))
249 else if (!strncasecmp(cp,query_base_name(op,1), 265 retval = 14;
250 strlen(cp))) retval=14; 266 else if (!strncasecmp (cp, qbn1, strlen (cp)))
251 267 retval = 14;
252 /* Do substring checks, so things like 'Str+1' will match. 268 /* Do substring checks, so things like 'Str+1' will match.
253 * retval of these should perhaps be lower - they are lower 269 * retval of these should perhaps be lower - they are lower
254 * then the specific strcasecmp aboves, but still higher than 270 * then the specific strcasecmp aboves, but still higher than
255 * some other match criteria. 271 * some other match criteria.
256 */ 272 */
257 else if (strstr(query_base_name(op,1), cp)) retval = 12; 273 else if (strstr (qbn1, cp))
258 else if (strstr(query_base_name(op,0), cp)) retval = 12; 274 retval = 12;
259 else if (strstr(query_short_name(op), cp)) retval = 12; 275 else if (strstr (qbn0, cp))
260 276 retval = 12;
277 else if (strstr (qsn, cp))
278 retval = 12;
261 /* Check against plural/non plural based on count. */ 279 /* Check against plural/non plural based on count. */
262 else if (count>1 && !strcasecmp(cp,op->name_pl)) { 280 else if (count > 1 && !strcasecmp (cp, op->name_pl))
263 retval=6; 281 retval = 6;
264 }
265 else if (count==1 && !strcasecmp(op->name,cp)) { 282 else if (count == 1 && !strcasecmp (op->name, cp))
266 retval=6; 283 retval = 6;
267 }
268 /* base name matched - not bad */ 284 /* base name matched - not bad */
269 else if (strcasecmp(cp,op->name)==0 && !count) retval=4; 285 else if (strcasecmp (cp, op->name) == 0 && !count)
286 retval = 4;
270 /* Check for partial custom name, but give a real low priority */ 287 /* Check for partial custom name, but give a real low priority */
271 else if (op->custom_name && strstr(op->custom_name, cp)) retval = 3; 288 else if (op->custom_name.contains (cp))
289 retval = 3;
272 290
273 if (retval) { 291 if (retval)
292 {
274 if (pl->type == PLAYER) 293 if (pl->type == PLAYER)
275 pl->contr->count=count; 294 pl->contr->count = count;
295
276 return retval; 296 return retval;
277 } 297 }
278 } 298 }
299
279 return 0; 300 return 0;
301}
302
303//-GPL
304
305void
306archetype::do_delete ()
307{
308 delete this;
309}
310
311archetype::archetype (const char *name)
312{
313 arch = this;
314 this->archname = this->name = this->name_pl = name;
315}
316
317archetype::~archetype ()
318{
319 unlink ();
320}
321
322void
323archetype::link ()
324{
325 if (!archetypes.contains (this))
326 {
327 archetypes.insert (this);
328 ht.insert (std::make_pair (archname, this));
329 }
330}
331
332void
333archetype::unlink ()
334{
335 if (archetypes.contains (this))
336 {
337 archetypes.erase (this);
338 ht.erase (archname);
339 }
280} 340}
281 341
282/* 342/*
283 * Initialises the internal linked list of archetypes (read from file). 343 * Finds, using the hashtable, which archetype matches the given name.
284 * Then the global "empty_archetype" pointer is initialised. 344 * returns a pointer to the found archetype, otherwise NULL.
285 * Then the blocksview[] array is initialised.
286 */ 345 */
287 346archetype *
288void init_archetypes(void) { /* called from add_player() and edit() */ 347archetype::find (const char *name)
289 if(first_archetype!=NULL) /* Only do this once */ 348{
349 if (!name)
290 return; 350 return 0;
291 arch_init = 1;
292 load_archetypes();
293 arch_init = 0;
294 empty_archetype=find_archetype("empty_archetype");
295/* init_blocksview();*/
296}
297 351
298/* 352 auto (i, ht.find (name));
299 * Stores debug-information about how efficient the hashtable
300 * used for archetypes has been in the static errmsg array.
301 */
302 353
303void arch_info(object *op) { 354 if (i == ht.end ())
304 sprintf(errmsg,"%d searches and %d strcmp()'s",arch_search,arch_cmp); 355 return 0;
305 new_draw_info(NDI_BLACK, 0, op,errmsg); 356 else
357 return i->second;
306} 358}
307 359
308/* 360void
309 * Initialise the hashtable used by the archetypes. 361archetype::post_load_check ()
310 */ 362{
363 assert (("obj_original MUST NOT be set for archetypes", !flag [FLAG_OBJ_ORIGINAL]));
311 364
312void clear_archetable(void) { 365 if (type == SKILL)
313 memset((void *) arch_table,0,ARCHTABLE*sizeof(archetype *)); 366 add_skill_archetype (this);
314}
315 367
316/* 368 object::post_load_check ();
317 * An alternative way to init the hashtable which is slower, but _works_... 369}
318 */
319 370
320void init_archetable(void) {
321 archetype *at; 371archetype *
322 LOG(llevDebug," Setting up archetable...\n"); 372archetype::read (object_thawer &f)
323 for(at=first_archetype;at!=NULL;at=(at->more==NULL)?at->next:at->more) 373{
324 add_arch(at); 374 assert (f.kw == KW_object);
325 LOG(llevDebug,"done\n");
326}
327 375
328/* 376 std::vector<archetype *> parts;
329 * Dumps an archetype to debug-level output.
330 */
331 377
332void dump_arch(archetype *at) { 378 coroapi::cede_to_tick ();
333 dump_object(&at->clone);
334}
335 379
336/* 380 for (;;)
337 * Dumps _all_ archetypes to debug-level output. 381 {
338 * If you run crossfire with debug, and enter DM-mode, you can trigger 382 archetype *at = new archetype (f.get_str ());
339 * this with the O key.
340 */
341 383
342void dump_all_archetypes(void) { 384 f.next ();
343 archetype *at; 385
344 for(at=first_archetype;at!=NULL;at=(at->more==NULL)?at->next:at->more) { 386#if 0
345 dump_arch(at); 387 // implementing it here in the server does neither allow multiple inheritence
346 fprintf(logfile, "%s\n", errmsg); 388 // nor does it cleanly "just override". it would allow use in map files, though,
389 // and other resource files dynamically loaded (as opposed to being preprocessed).
390 // not that any of this is relevant as of yet...
391 if (f.kw == KW_inherit)
392 {
393 if (archetype *at = find (f.get_str ()))
394 *op = at->clone;
395 else
396 LOG (llevError, "archetype '%s' tries to inherit from non-existent archetype '%s'.\n",
397 &at->archname, f.get_str ());
398
399 f.next ();
400 }
401#endif
402
403 loading_arch = at; // hack to tell parse_kv et al. to behave
404 bool parse_ok = at->parse_kv (f);
405 loading_arch = 0;
406
407 if (!parse_ok)
408 goto fail;
409
410 loading_arch = at; // hack to tell parse_kv et al. to behave
411 at->post_load_check ();
412 loading_arch = 0;
413
414 parts.push_back (at);
415
416 if (f.kw != KW_more)
417 break;
418
419 f.next ();
420
421 if (f.kw != KW_object)
422 {
423 f.parse_error ("more object");
424 goto fail;
425 }
426 }
427
428 {
429 archetype *new_head = parts.front ();
430 archetype *old_head = find (new_head->archname);
431
432 if (old_head && !old_head->is_head ())
433 {
434 LOG (llevError, "%s: unable to overwrite non-head archetype '%s' with head archetype, skipping.\n",
435 &new_head->archname, &old_head->archname);
436 goto fail;
437 }
438
439 // check that all archetypes belong to the same old object or are new
440 for (auto &&at : parts)
441 {
442 archetype *new_part = at;
443 archetype *old_part = find (new_part->archname);
444
445 if (old_part && old_part->head_ () != old_head)
446 {
447 LOG (llevError, "%s: unable to overwrite archetype '%s' with archetype of different object, skipping.\n",
448 &new_part->archname, &((archetype *)old_part->head_ ())->archname);
449 goto fail;
450 }
451 }
452
453 // assemble new chain
454 new_head->max_x = new_head->x;
455
456 archetype *less = new_head;
457 for (auto &&p = parts.begin () + 1; p != parts.end (); ++p)
458 {
459 archetype *at = *p;
460
461 // some flags get inherited from the head (probably a lot more)
462 // doing it here doesn't feel too cozy, but it allows code
463 // to ignore head checks for these flags, which saves time
464 at->flag [FLAG_ALIVE] = new_head->flag [FLAG_ALIVE];
465 at->flag [FLAG_NO_PICK] = new_head->flag [FLAG_NO_PICK];
466 at->flag [FLAG_MONSTER] = new_head->flag [FLAG_MONSTER];
467 at->flag [FLAG_IS_FLOOR] = new_head->flag [FLAG_IS_FLOOR];
468
469 new_head->max_x = max (new_head->max_x, at->x);
470
471 at->head = new_head;
472 less->more = at;
473 less = at;
474 }
475
476 postponed_arch.insert (postponed_arch.end (), parts.begin (), parts.end ());
477
478 return new_head;
347 } 479 }
348}
349 480
350void free_all_archs(void) 481fail:
351{ 482 for (auto &&at : parts)
352 archetype *at, *next; 483 at->destroy ();
353 int i=0,f=0;
354 484
355 for (at=first_archetype; at!=NULL; at=next) {
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; 485 return 0;
396} 486}
397 487
398/* 488void
399 * Reads/parses the archetype-file, and copies into a linked list 489archetype::postpone_arch_ref (arch_ptr &ref, const_utf8_string other_arch)
400 * of archetype-structures. 490{
401 */ 491 ref = 0;
402void first_arch_pass(FILE *fp) { 492 postponed_arch_ref.push_back (std::pair<arch_ptr *, shstr>(&ref, shstr (other_arch)));
403 object *op; 493}
404 archetype *at,*head=NULL,*last_more=NULL;
405 int i,first=2;
406 494
407 op=get_object(); 495void
408 op->arch=first_archetype=at=get_archetype_struct(); 496archetype::commit_load ()
409 497{
410 while((i=load_object(fp,op,first,0))) { 498 // unlink old archetypes and link in new ones */
411 first=0; 499 for (auto &&at : postponed_arch)
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 */
420 memcpy(&at->clone.body_used, &op->body_info, sizeof(op->body_info));
421
422 switch(i) {
423 case LL_NORMAL: /* A new archetype, just link it with the previous */
424 if(last_more!=NULL)
425 last_more->next=at;
426 if(head!=NULL)
427 head->next=at;
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 } 500 {
467 free(at); 501 if (archetype *old = find (at->archname))
468 free_object(op); 502 old->unlink ();
469}
470 503
471/* 504 allarch.push_back (at);
472 * Reads the archetype file once more, and links all pointers between
473 * archetypes.
474 */
475 505
476void second_arch_pass(FILE *fp) { 506 at->link ();
477 char buf[MAX_BUF],*variable=buf,*argument,*cp; 507 ++dirtycnt;
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 } 508 }
501 } else if(!strcmp("randomitems",variable)) { 509
502 if(at!=NULL) { 510 postponed_arch.clear ();
503 treasurelist *tl=find_treasurelist(argument); 511
504 if(tl==NULL) 512 // now resolve arch references
505 LOG(llevError,"Failed to link treasure to arch (%s): %s\n",at->name, argument); 513 for (auto &&p : postponed_arch_ref) // not yet C++17
514 {
515 arch_ptr *ap = p.first;
516 archetype *at = find (p.second);
517
518 if (!at)
519 LOG (llevError, "unable to resolve postponed arch reference to '%s'", &p.second);
520
521 *ap = at;
522 }
523
524 postponed_arch_ref.clear ();
525
526 empty = find (shstr_empty_archetype);
527}
528
529void
530archetype::gc ()
531{
532 int cnt = max (1, min<int> (allarch.size () / 128, dirtycnt));
533 dirtycnt = max (0, dirtycnt - cnt);
534
535 do
536 {
537 static int idx;
538
539 if (idx >= allarch.size ())
540 if (idx)
541 idx = 0;
506 else 542 else
507 at->clone.randomitems=tl; 543 return;
544
545 archetype *at = allarch [idx];
546
547 if (at->refcnt_cnt () > 1) // all arches have ONE refcount from their object
548 ++idx;
549 else
550 {
551 //LOG (llevDebug, "garbage collect arch %s", &at->archname);
552 assert (at->arch == at); // verify that refcnt == 1 is truly valid
553 allarch.erase (idx);
554
555 // break chain
556 for (object *op = at->head_ (); op; )
557 {
558 object *next = op->more;
559 op->head = 0;
560 op->more = 0;
561 op = next;
562 }
563
564 at->destroy ();
565 at->arch = 0;
508 } 566 }
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 } 567 }
558#endif 568 while (--cnt);
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} 569}
581 570
582/*
583 * Creates and returns a new object which is a copy of the given archetype.
584 * This function returns NULL on failure.
585 */
586
587object *arch_to_object(archetype *at) {
588 object *op; 571object *
589 if(at==NULL) { 572archetype::instance ()
590 if(warn_archetypes) 573{
591 LOG(llevError,"Couldn't find archetype.\n"); 574 object *op = clone ();
592 return NULL; 575 op->instantiate ();
593 }
594 op=get_object();
595 copy_object(&at->clone,op);
596 op->arch=at;
597 return op; 576 return op;
598} 577}
599 578
600/* 579//+GPL
601 * Creates an object. This function is called by get_archetype()
602 * if it fails to find the appropriate archetype.
603 * Thus get_archetype() will be guaranteed to always return
604 * an object, and never NULL.
605 */
606
607object *create_singularity(const char *name) {
608 object *op;
609 char buf[MAX_BUF];
610 sprintf(buf,"%s (%s)",ARCH_SINGULARITY,name);
611 op = get_object();
612 op->name = add_string(buf);
613 op->name_pl = add_string(buf);
614 SET_FLAG(op,FLAG_NO_PICK);
615 return op;
616}
617 580
618/* 581/*
619 * Finds which archetype matches the given name, and returns a new 582 * Finds which archetype matches the given name, and returns a new
620 * object containing a copy of the archetype. 583 * object containing a copy of the archetype.
621 */ 584 */
585object *
586archetype::get (const char *name)
587{
588 archetype *at = find (name);
622 589
623object *get_archetype(const char *name) { 590 if (!at)
624 archetype *at;
625 at = find_archetype(name);
626 if (at == NULL)
627 return create_singularity(name); 591 return create_singularity (name);
628 return arch_to_object(at);
629}
630 592
631/* 593 return at->instance ();
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} 594}
703 595
704/* 596/*
705 * Returns the first archetype using the given type. 597 * Returns the first archetype using the given type.
706 * Used in treasure-generation. 598 * Used in treasure-generation.
707 */ 599 */
708 600static archetype *
709archetype *type_to_archetype(int type) { 601type_to_archetype (int type)
710 archetype *at; 602{
711 603 for_all_archetypes (at)
712 for(at=first_archetype;at!=NULL;at=(at->more==NULL)?at->next:at->more) 604 if (at->type == type && at->head_ () != at)
713 if(at->clone.type==type)
714 return at; 605 return at;
606
715 return NULL; 607 return 0;
716} 608}
717 609
718/* 610/*
719 * Returns a new object copied from the first archetype matching 611 * Returns a new object copied from the first archetype matching
720 * the given type. 612 * the given type.
721 * Used in treasure-generation. 613 * Used in treasure-generation.
722 */ 614 */
723 615object *
724object *clone_arch(int type) { 616clone_arch (int type)
725 archetype *at; 617{
726 object *op=get_object(); 618 archetype *at = type_to_archetype (type);
727 619
728 if((at=type_to_archetype(type))==NULL) { 620 if (!at)
621 {
729 LOG(llevError,"Can't clone archetype %d\n",type); 622 LOG (llevError, "Can't clone archetype %d\n", type);
730 free_object(op);
731 return NULL; 623 return 0;
732 } 624 }
733 copy_object(&at->clone,op); 625
734 return op; 626 return at->instance ();
735} 627}
736 628
737/* 629/*
738 * member: make instance from class 630 * member: make instance from class
739 */ 631 */
740 632object *
741object *object_create_arch (archetype * at) 633object_create_arch (archetype *at)
742{ 634{
743 object *op, *prev = NULL, *head = NULL; 635 object *op, *prev = 0, *head = 0;
744 636
745 while (at) { 637 while (at)
746 op = arch_to_object (at); 638 {
639 op = at->instance ();
640
747 op->x = at->clone.x; 641 op->x = at->x;
748 op->y = at->clone.y; 642 op->y = at->y;
643
749 if (head) 644 if (head)
750 op->head = head, prev->more = op; 645 op->head = head, prev->more = op;
646
751 if (!head) 647 if (!head)
752 head = op; 648 head = op;
649
753 prev = op; 650 prev = op;
754 at = at->more; 651 at = (archetype *)at->more;
755 } 652 }
653
756 return (head); 654 return head;
757} 655}
758 656
759/*** end of arch.c ***/ 657//-GPL
658

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