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Comparing deliantra/server/common/object.C (file contents):
Revision 1.149 by root, Mon May 14 19:56:45 2007 UTC vs.
Revision 1.304 by root, Tue Nov 10 16:29:20 2009 UTC

1/* 1/*
2 * CrossFire, A Multiplayer game 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team 4 * Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (C) 2001 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * it under the terms of the GNU General Public License as published by 9 * the terms of the Affero GNU General Public License as published by the
10 * the Free Software Foundation; either version 2 of the License, or 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * (at your option) any later version. 11 * option) any later version.
12 * 12 *
13 * 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,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 16 * GNU General Public License for more details.
17 * 17 *
18 * You should have received a copy of the GNU General Public License 18 * You should have received a copy of the Affero GNU General Public License
19 * along with this program; if not, write to the Free Software 19 * and the GNU General Public License along with this program. If not, see
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * <http://www.gnu.org/licenses/>.
21 * 21 *
22 * The authors can be reached via e-mail at <crossfire@schmorp.de> 22 * The authors can be reached via e-mail to <support@deliantra.net>
23 */ 23 */
24 24
25/* Eneq(@csd.uu.se): Added weight-modifiers in environment of objects.
26 sub/add_weight will transcend the environment updating the carrying
27 variable. */
28#include <global.h> 25#include <global.h>
29#include <stdio.h> 26#include <stdio.h>
30#include <sys/types.h> 27#include <sys/types.h>
31#include <sys/uio.h> 28#include <sys/uio.h>
32#include <object.h> 29#include <object.h>
33#include <funcpoint.h>
34#include <sproto.h> 30#include <sproto.h>
35#include <loader.h> 31#include <loader.h>
36 32
37#include <bitset> 33#include <bitset>
38 34
39int nrofallocobjects = 0; 35UUID UUID::cur;
40static UUID uuid; 36static uint64_t seq_next_save;
41const uint64 UUID_SKIP = 1<<19; 37static const uint64 UUID_GAP = 1<<19;
38uint32_t mapspace::smellcount = 10000;
42 39
43objectvec objects; 40objectvec objects;
44activevec actives; 41activevec actives;
45 42
46short freearr_x[SIZEOFFREE] = { 0, 0, 1, 1, 1, 0, -1, -1, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1, 43//+GPL
44
45short freearr_x[SIZEOFFREE] = {
46 0,
47 0, 1, 1, 1, 0, -1, -1, -1,
48 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, -2, -2, -2, -1,
47 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1 49 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3, -3, -3, -3, -3, -2, -1
48}; 50};
49short freearr_y[SIZEOFFREE] = { 0, -1, -1, 0, 1, 1, 1, 0, -1, -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2, 51short freearr_y[SIZEOFFREE] = {
52 0,
53 -1, -1, 0, 1, 1, 1, 0, -1,
54 -2, -2, -2, -1, 0, 1, 2, 2, 2, 2, 2, 1, 0, -1, -2, -2,
50 -3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3 55 -3, -3, -3, -3, -2, -1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 0, -1, -2, -3, -3, -3
51};
52int maxfree[SIZEOFFREE] = { 0, 9, 10, 13, 14, 17, 18, 21, 22, 25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45,
53 48, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
54}; 56};
55int freedir[SIZEOFFREE] = { 57int freedir[SIZEOFFREE] = {
56 0, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8, 58 0,
59 1, 2, 3, 4, 5, 6, 7, 8,
60 1, 2, 2, 2, 3, 4, 4, 4, 5, 6, 6, 6, 7, 8, 8, 8,
57 1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8 61 1, 2, 2, 2, 2, 2, 3, 4, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 8, 8, 8, 8, 8
58}; 62};
59 63
64static int maxfree[SIZEOFFREE] = {
65 0,
66 9, 10, 13, 14, 17, 18, 21, 22,
67 25, 26, 27, 30, 31, 32, 33, 36, 37, 39, 39, 42, 43, 44, 45, 48,
68 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49, 49
69};
70
60static void 71static void
61write_uuid (void) 72write_uuid (uval64 skip, bool sync)
62{ 73{
63 char filename1[MAX_BUF], filename2[MAX_BUF]; 74 CALL_BEGIN (2);
64 75 CALL_ARG_SV (newSVval64 (skip));
65 sprintf (filename1, "%s/uuid", settings.localdir); 76 CALL_ARG_SV (boolSV (sync));
66 sprintf (filename2, "%s/uuid~", settings.localdir); 77 CALL_CALL ("cf::write_uuid", G_DISCARD);
67 78 CALL_END;
68 FILE *fp;
69
70 if (!(fp = fopen (filename2, "w")))
71 {
72 LOG (llevError, "ERROR: cannot open %s for writing, unable to write UUID!\n", filename2);
73 return;
74 }
75
76 fprintf (fp, "<1,%llx>\n", (unsigned long long)uuid.seq + UUID_SKIP * 2);
77 fclose (fp);
78 rename (filename2, filename1);
79} 79}
80 80
81static void 81static void
82read_uuid (void) 82read_uuid (void)
83{ 83{
84 char filename[MAX_BUF]; 84 char filename[MAX_BUF];
85 85
86 sprintf (filename, "%s/uuid", settings.localdir); 86 sprintf (filename, "%s/uuid", settings.localdir);
87
88 seq_next_save = 0;
87 89
88 FILE *fp; 90 FILE *fp;
89 91
90 if (!(fp = fopen (filename, "r"))) 92 if (!(fp = fopen (filename, "r")))
91 { 93 {
92 if (errno == ENOENT) 94 if (errno == ENOENT)
93 { 95 {
94 LOG (llevInfo, "RESET uid to 1\n"); 96 LOG (llevInfo, "RESET uid to 1\n");
95 uuid.seq = 0; 97 UUID::cur.seq = 0;
96 write_uuid (); 98 write_uuid (UUID_GAP, true);
97 return; 99 return;
98 } 100 }
99 101
100 LOG (llevError, "FATAL: cannot open %s for reading!\n", filename); 102 LOG (llevError, "FATAL: cannot open %s for reading!\n", filename);
101 _exit (1); 103 _exit (1);
102 } 104 }
103 105
104 int version; 106 char buf [UUID::MAX_LEN];
105 unsigned long long uid; 107 buf[0] = 0;
106 if (2 != fscanf (fp, "<%d,%llx>\n", &version, &uid) || version != 1) 108 fgets (buf, sizeof (buf), fp);
109
110 if (!UUID::cur.parse (buf))
107 { 111 {
108 LOG (llevError, "FATAL: error reading uid from %s!\n", filename); 112 LOG (llevError, "FATAL: error reading uid from %s (%s)!\n", filename, buf);
109 _exit (1); 113 _exit (1);
110 } 114 }
111 115
112 uuid.seq = uid; 116 LOG (llevDebug, "read UUID: %s\n", UUID::cur.c_str ());
113 write_uuid (); 117
114 LOG (llevDebug, "read UID: %" PRId64 "\n", uid); 118 write_uuid (UUID_GAP, true);
115 fclose (fp); 119 fclose (fp);
116} 120}
117 121
118UUID 122UUID
119gen_uuid () 123UUID::gen ()
120{ 124{
121 UUID uid; 125 UUID uid;
122 126
123 uid.seq = ++uuid.seq; 127 uid.seq = ++cur.seq;
124 128
125 if (!(uuid.seq & (UUID_SKIP - 1))) 129 if (expect_false (cur.seq >= seq_next_save))
126 write_uuid (); 130 {
131 seq_next_save = UUID::cur.seq + (UUID_GAP >> 1);
132 write_uuid (UUID_GAP, false);
133 }
134
127 135
128 return uid; 136 return uid;
129} 137}
130 138
131void 139void
132init_uuid () 140UUID::init ()
133{ 141{
134 read_uuid (); 142 read_uuid ();
135} 143}
136 144
145bool
146UUID::parse (const char *s)
147{
148 if (*s++ != '<' || *s++ != '1' || *s++ != '.')
149 return false;
150
151 seq = 0;
152
153 while (*s != '>')
154 {
155 if (*s < '0')
156 return false;
157
158 // this gives nice branchless code with gcc
159 assert ('0' < 'a' && '0' == 48 && 'a' == 97);
160 int digit = (*s + (*s & 0x40 ? 9 : 0)) & 15;
161
162 seq = (seq << 4) | digit;
163
164 ++s;
165 }
166
167 return true;
168}
169
170char *
171UUID::append (char *buf) const
172{
173 *buf++ = '<';
174 *buf++ = '1';
175 *buf++ = '.';
176
177 uint64_t seq = this->seq;
178 const int bits = 64;
179 char nz = 0;
180 static const char tohex [] = "0123456789abcdef";
181
182 // assert (len >= 3 + bits / 4 + 1 + 1);
183 for (int i = bits / 4; --i; )
184 {
185 uint8_t digit = seq >> (bits - 4);
186
187 *buf = tohex [digit];
188 nz |= digit;
189 buf += nz ? 1 : 0;
190 seq <<= 4;
191 }
192
193 // last digit is special - always emit
194 uint8_t digit = seq >> (bits - 4);
195 *buf++ = tohex [digit];
196
197 *buf++ = '>';
198
199 return buf;
200}
201
202char *
203UUID::c_str () const
204{
205 static char buf [MAX_LEN];
206 *append (buf) = 0;
207 return buf;
208}
209
137/* Returns TRUE if every key_values in wants has a partner with the same value in has. */ 210/* Returns TRUE if every key_values in wants has a partner with the same value in has. */
138static int 211static bool
139compare_ob_value_lists_one (const object *wants, const object *has) 212compare_ob_value_lists_one (const object *wants, const object *has)
140{ 213{
141 key_value *wants_field;
142
143 /* n-squared behaviour (see get_ob_key_link()), but I'm hoping both 214 /* n-squared behaviour (see kv_get), but I'm hoping both
144 * objects with lists are rare, and lists stay short. If not, use a 215 * objects with lists are rare, and lists stay short. If not, use a
145 * different structure or at least keep the lists sorted... 216 * different structure or at least keep the lists sorted...
146 */ 217 */
147 218
148 /* For each field in wants, */ 219 /* For each field in wants, */
149 for (wants_field = wants->key_values; wants_field; wants_field = wants_field->next) 220 for (key_value *kv = wants->key_values; kv; kv = kv->next)
150 { 221 if (has->kv_get (kv->key) != kv->value)
151 key_value *has_field; 222 return false;
152
153 /* Look for a field in has with the same key. */
154 has_field = get_ob_key_link (has, wants_field->key);
155
156 if (has_field == NULL)
157 {
158 /* No field with that name. */
159 return FALSE;
160 }
161
162 /* Found the matching field. */
163 if (has_field->value != wants_field->value)
164 {
165 /* Values don't match, so this half of the comparison is false. */
166 return FALSE;
167 }
168
169 /* If we get here, we found a match. Now for the next field in wants. */
170 }
171 223
172 /* If we get here, every field in wants has a matching field in has. */ 224 /* If we get here, every field in wants has a matching field in has. */
173 return TRUE; 225 return true;
174} 226}
175 227
176/* Returns TRUE if ob1 has the same key_values as ob2. */ 228/* Returns TRUE if ob1 has the same key_values as ob2. */
177static int 229static bool
178compare_ob_value_lists (const object *ob1, const object *ob2) 230compare_ob_value_lists (const object *ob1, const object *ob2)
179{ 231{
180 /* However, there may be fields in has which aren't partnered in wants, 232 /* However, there may be fields in has which aren't partnered in wants,
181 * so we need to run the comparison *twice*. :( 233 * so we need to run the comparison *twice*. :(
182 */ 234 */
183 return compare_ob_value_lists_one (ob1, ob2) && compare_ob_value_lists_one (ob2, ob1); 235 return compare_ob_value_lists_one (ob1, ob2)
236 && compare_ob_value_lists_one (ob2, ob1);
184} 237}
185 238
186/* Function examines the 2 objects given to it, and returns true if 239/* Function examines the 2 objects given to it, and returns true if
187 * they can be merged together. 240 * they can be merged together.
188 * 241 *
198bool object::can_merge_slow (object *ob1, object *ob2) 251bool object::can_merge_slow (object *ob1, object *ob2)
199{ 252{
200 /* A couple quicksanity checks */ 253 /* A couple quicksanity checks */
201 if (ob1 == ob2 254 if (ob1 == ob2
202 || ob1->type != ob2->type 255 || ob1->type != ob2->type
203 || ob1->speed != ob2->speed 256 || fabs (ob1->speed - ob2->speed) >= MIN_ACTIVE_SPEED
204 || ob1->value != ob2->value 257 || ob1->value != ob2->value
205 || ob1->name != ob2->name) 258 || ob1->name != ob2->name)
206 return 0; 259 return 0;
207 260
208 //TODO: this ain't working well, use nicer and correct overflow check
209 /* Do not merge objects if nrof would overflow. We use 1UL<<31 since that 261 /* Do not merge objects if nrof would overflow, assume nrof
210 * value could not be stored in a sint32 (which unfortunately sometimes is 262 * is always 0 .. 2**31-1 */
211 * used to store nrof). 263 if (ob1->nrof > 0x7fffffff - ob2->nrof)
212 */
213 if (ob1->nrof + ob2->nrof >= 1UL << 31)
214 return 0; 264 return 0;
215 265
216 /* If the objects have been identified, set the BEEN_APPLIED flag. 266 /* If the objects have been identified, set the BEEN_APPLIED flag.
217 * This is to the comparison of the flags below will be OK. We 267 * This is to the comparison of the flags below will be OK. We
218 * just can't ignore the been applied or identified flags, as they 268 * just can't ignore the been applied or identified flags, as they
219 * are not equal - just if it has been identified, the been_applied 269 * are not equal - just if it has been identified, the been_applied
220 * flags lose any meaning. 270 * flags lose any meaning.
221 */ 271 */
222 if (QUERY_FLAG (ob1, FLAG_IDENTIFIED)) 272 if (QUERY_FLAG (ob1, FLAG_IDENTIFIED))
223 SET_FLAG (ob1, FLAG_BEEN_APPLIED); 273 SET_FLAG (ob1, FLAG_BEEN_APPLIED);
224 274
225 if (QUERY_FLAG (ob2, FLAG_IDENTIFIED)) 275 if (QUERY_FLAG (ob2, FLAG_IDENTIFIED))
226 SET_FLAG (ob2, FLAG_BEEN_APPLIED); 276 SET_FLAG (ob2, FLAG_BEEN_APPLIED);
227 277
228 if ((ob1->flag ^ ob2->flag).reset (FLAG_INV_LOCKED).reset (FLAG_CLIENT_SENT).any () 278 if (ob1->arch->archname != ob2->arch->archname
229 || ob1->arch != ob2->arch
230 || ob1->name != ob2->name 279 || ob1->name != ob2->name
231 || ob1->title != ob2->title 280 || ob1->title != ob2->title
232 || ob1->msg != ob2->msg 281 || ob1->msg != ob2->msg
233 || ob1->weight != ob2->weight 282 || ob1->weight != ob2->weight
234 || memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
235 || memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats) )
236 || ob1->attacktype != ob2->attacktype 283 || ob1->attacktype != ob2->attacktype
237 || ob1->magic != ob2->magic 284 || ob1->magic != ob2->magic
238 || ob1->slaying != ob2->slaying 285 || ob1->slaying != ob2->slaying
239 || ob1->skill != ob2->skill 286 || ob1->skill != ob2->skill
240 || ob1->value != ob2->value 287 || ob1->value != ob2->value
241 || ob1->animation_id != ob2->animation_id 288 || ob1->animation_id != ob2->animation_id
289 || (ob1->face != ob2->face && !ob1->animation_id) // face and animation are dependent on each other
242 || ob1->client_type != ob2->client_type 290 || ob1->client_type != ob2->client_type
243 || ob1->materialname != ob2->materialname 291 || ob1->material != ob2->material
244 || ob1->lore != ob2->lore 292 || ob1->lore != ob2->lore
245 || ob1->subtype != ob2->subtype 293 || ob1->subtype != ob2->subtype
246 || ob1->move_type != ob2->move_type 294 || ob1->move_type != ob2->move_type
247 || ob1->move_block != ob2->move_block 295 || ob1->move_block != ob2->move_block
248 || ob1->move_allow != ob2->move_allow 296 || ob1->move_allow != ob2->move_allow
249 || ob1->move_on != ob2->move_on 297 || ob1->move_on != ob2->move_on
250 || ob1->move_off != ob2->move_off 298 || ob1->move_off != ob2->move_off
251 || ob1->move_slow != ob2->move_slow 299 || ob1->move_slow != ob2->move_slow
252 || ob1->move_slow_penalty != ob2->move_slow_penalty) 300 || fabs (ob1->move_slow_penalty - ob2->move_slow_penalty) >= (1.f / 1024.f)
301 || memcmp (&ob1->resist, &ob2->resist, sizeof (ob1->resist))
302 || memcmp (&ob1->stats , &ob2->stats , sizeof (ob1->stats)))
253 return 0; 303 return 0;
254 304
305 if ((ob1->flag ^ ob2->flag)
306 .reset (FLAG_INV_LOCKED)
307 .reset (FLAG_REMOVED)
308 .any ())
309 return 0;
310
255 /* This is really a spellbook check - really, we should 311 /* This is really a spellbook check - we should in general
256 * check all objects in the inventory. 312 * not merge objects with real inventories, as splitting them
313 * is hard.
257 */ 314 */
258 if (ob1->inv || ob2->inv) 315 if (ob1->inv || ob2->inv)
259 { 316 {
260 /* if one object has inventory but the other doesn't, not equiv */ 317 if (!(ob1->inv && ob2->inv))
261 if ((ob1->inv && !ob2->inv) || (ob2->inv && !ob1->inv)) 318 return 0; /* inventories differ in length */
262 return 0;
263 319
264 /* Now check to see if the two inventory objects could merge */ 320 if (ob1->inv->below || ob2->inv->below)
321 return 0; /* more than one object in inv */
322
265 if (!object::can_merge (ob1->inv, ob2->inv)) 323 if (!object::can_merge (ob1->inv, ob2->inv))
266 return 0; 324 return 0; /* inventory objects differ */
267 325
268 /* inventory ok - still need to check rest of this object to see 326 /* inventory ok - still need to check rest of this object to see
269 * if it is valid. 327 * if it is valid.
270 */ 328 */
271 } 329 }
290 if (ob1->level != ob2->level) 348 if (ob1->level != ob2->level)
291 return 0; 349 return 0;
292 break; 350 break;
293 } 351 }
294 352
295 if (ob1->key_values != NULL || ob2->key_values != NULL) 353 if (ob1->key_values || ob2->key_values)
296 { 354 {
297 /* At least one of these has key_values. */ 355 /* At least one of these has key_values. */
298 if ((ob1->key_values == NULL) != (ob2->key_values == NULL)) 356 if ((!ob1->key_values) != (!ob2->key_values))
299 /* One has fields, but the other one doesn't. */ 357 return 0; /* One has fields, but the other one doesn't. */
358
359 if (!compare_ob_value_lists (ob1, ob2))
300 return 0; 360 return 0;
301 else if (!compare_ob_value_lists (ob1, ob2))
302 return 0;
303 } 361 }
304 362
305 //TODO: generate an event or call into perl for additional checks
306 if (ob1->self || ob2->self) 363 if (ob1->self || ob2->self)
307 { 364 {
308 ob1->optimise (); 365 ob1->optimise ();
309 ob2->optimise (); 366 ob2->optimise ();
310 367
311 if (ob1->self || ob2->self) 368 if (ob1->self || ob2->self)
369 {
370 int k1 = ob1->self ? HvTOTALKEYS (ob1->self) : 0;
371 int k2 = ob2->self ? HvTOTALKEYS (ob2->self) : 0;
372
373 if (k1 != k2)
312 return 0; 374 return 0;
375
376 if (k1 == 0)
377 return 1;
378
379 if (!cfperl_can_merge (ob1, ob2))
380 return 0;
381 }
313 } 382 }
314 383
315 /* Everything passes, must be OK. */ 384 /* Everything passes, must be OK. */
316 return 1; 385 return 1;
317} 386}
318 387
388// find player who can see this object
389object *
390object::visible_to () const
391{
392 if (client_visible () && !flag [FLAG_REMOVED])
393 {
394 // see if we are in a container of sorts
395 if (env)
396 {
397 // the player inventory itself is always visible
398 if (env->is_player ())
399 return env;
400
401 // else a player could have our env open
402 object *envest = env->outer_env_or_self ();
403
404 // the player itself is always on a map, so we will find him here
405 // even if our inv is in a player.
406 if (envest->is_on_map ())
407 if (object *pl = envest->ms ().player ())
408 if (pl->container_ () == env)
409 return pl;
410 }
411 else
412 {
413 // maybe there is a player standing on the same mapspace
414 // this will catch the case where "this" is a player
415 if (object *pl = ms ().player ())
416 if ((pl->contr->ns && !pl->container_ () && !pl->contr->ns->update_look)
417 || pl->container_ () == this)
418 return pl;
419 }
420 }
421
422 return 0;
423}
424
425// adjust weight per container type ("of holding")
426static sint32
427weight_adjust_for (object *op, sint32 weight)
428{
429 return op->type == CONTAINER
430 ? lerp (weight, 0, 100, 0, 100 - op->stats.Str)
431 : weight;
432}
433
319/* 434/*
435 * adjust_weight(object, weight) adds the specified weight to an object,
436 * and also updates how much the environment(s) is/are carrying.
437 */
438static void
439adjust_weight (object *op, sint32 weight)
440{
441 while (op)
442 {
443 // adjust by actual difference to account for rounding errors
444 // i.e. (w2 - w1) / f != w2 / f - w1 / f and the latter is correct
445 weight = weight_adjust_for (op, op->carrying)
446 - weight_adjust_for (op, op->carrying - weight);
447
448 if (!weight)
449 return;
450
451 op->carrying += weight;
452
453 if (object *pl = op->visible_to ())
454 if (pl != op) // player is handled lazily
455 esrv_update_item (UPD_WEIGHT, pl, op);
456
457 op = op->env;
458 }
459}
460
461/*
320 * sum_weight() is a recursive function which calculates the weight 462 * this is a recursive function which calculates the weight
321 * an object is carrying. It goes through in figures out how much 463 * an object is carrying. It goes through op and figures out how much
322 * containers are carrying, and sums it up. 464 * containers are carrying, and sums it up.
323 */ 465 */
324long 466void
325sum_weight (object *op) 467object::update_weight ()
326{ 468{
327 long sum; 469 sint32 sum = 0;
328 object *inv;
329 470
330 for (sum = 0, inv = op->inv; inv; inv = inv->below) 471 for (object *op = inv; op; op = op->below)
331 { 472 {
332 if (inv->inv) 473 if (op->inv)
333 sum_weight (inv); 474 op->update_weight ();
334 475
335 sum += inv->carrying + inv->weight * (inv->nrof ? inv->nrof : 1); 476 sum += op->total_weight ();
477 }
478
479 sum = weight_adjust_for (this, sum);
480
481 if (sum != carrying)
336 } 482 {
337
338 if (op->type == CONTAINER && op->stats.Str)
339 sum = (sum * (100 - op->stats.Str)) / 100;
340
341 if (op->carrying != sum)
342 op->carrying = sum; 483 carrying = sum;
343 484
344 return sum; 485 if (object *pl = visible_to ())
486 if (pl != this) // player is handled lazily
487 esrv_update_item (UPD_WEIGHT, pl, this);
488 }
345} 489}
346 490
347/** 491/*
348 * Return the outermost environment object for a given object. 492 * Used by: Server DM commands: dumpbelow, dump. Some error messages.
349 */
350
351object *
352object_get_env_recursive (object *op)
353{
354 while (op->env != NULL)
355 op = op->env;
356 return op;
357}
358
359/*
360 * Used by: Crossedit: dump. Server DM commands: dumpbelow, dump.
361 * Some error messages.
362 * The result of the dump is stored in the static global errmsg array.
363 */ 493 */
364char * 494char *
365dump_object (object *op) 495dump_object (object *op)
366{ 496{
367 if (!op) 497 if (!op)
370 object_freezer freezer; 500 object_freezer freezer;
371 op->write (freezer); 501 op->write (freezer);
372 return freezer.as_string (); 502 return freezer.as_string ();
373} 503}
374 504
375/* 505char *
376 * get_nearest_part(multi-object, object 2) returns the part of the 506object::as_string ()
377 * multi-object 1 which is closest to the second object.
378 * If it's not a multi-object, it is returned.
379 */
380
381object *
382get_nearest_part (object *op, const object *pl)
383{ 507{
384 object *tmp, *closest; 508 return dump_object (this);
385 int last_dist, i;
386
387 if (op->more == NULL)
388 return op;
389 for (last_dist = distance (op, pl), closest = op, tmp = op->more; tmp != NULL; tmp = tmp->more)
390 if ((i = distance (tmp, pl)) < last_dist)
391 closest = tmp, last_dist = i;
392 return closest;
393} 509}
394 510
395/* 511/*
396 * Returns the object which has the count-variable equal to the argument. 512 * Returns the object which has the count-variable equal to the argument.
513 * VERRRY slow.
397 */ 514 */
398object * 515object *
399find_object (tag_t i) 516find_object (tag_t i)
400{ 517{
401 for_all_objects (op) 518 for_all_objects (op)
412 */ 529 */
413object * 530object *
414find_object_name (const char *str) 531find_object_name (const char *str)
415{ 532{
416 shstr_cmp str_ (str); 533 shstr_cmp str_ (str);
417 object *op;
418 534
535 if (str_)
419 for_all_objects (op) 536 for_all_objects (op)
420 if (op->name == str_) 537 if (op->name == str_)
421 break; 538 return op;
422 539
423 return op; 540 return 0;
424}
425
426void
427free_all_object_data ()
428{
429 LOG (llevDebug, "%d allocated objects\n", nrofallocobjects);
430} 541}
431 542
432/* 543/*
433 * Sets the owner and sets the skill and exp pointers to owner's current 544 * Sets the owner and sets the skill and exp pointers to owner's current
434 * skill and experience objects. 545 * skill and experience objects.
546 * ACTUALLY NO! investigate! TODO
435 */ 547 */
436void 548void
437object::set_owner (object *owner) 549object::set_owner (object *owner)
438{ 550{
551 // allow objects which own objects
439 if (!owner) 552 if (owner)
440 return;
441
442 /* next line added to allow objects which own objects */
443 /* Add a check for ownercounts in here, as I got into an endless loop
444 * with the fireball owning a poison cloud which then owned the
445 * fireball. I believe that was caused by one of the objects getting
446 * freed and then another object replacing it. Since the ownercounts
447 * didn't match, this check is valid and I believe that cause is valid.
448 */
449 while (owner->owner) 553 while (owner->owner)
450 owner = owner->owner; 554 owner = owner->owner;
555
556 if (flag [FLAG_FREED])
557 {
558 LOG (llevError | logBacktrace, "tried to set owner of %s to %s\n", debug_desc (), owner->debug_desc ());
559 return;
560 }
451 561
452 this->owner = owner; 562 this->owner = owner;
453} 563}
454 564
455int 565int
473object::change_weapon (object *ob) 583object::change_weapon (object *ob)
474{ 584{
475 if (current_weapon == ob) 585 if (current_weapon == ob)
476 return true; 586 return true;
477 587
588 if (chosen_skill)
589 chosen_skill->flag [FLAG_APPLIED] = false;
590
478 current_weapon = ob; 591 current_weapon = ob;
479 chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill); 592 chosen_skill = !ob || ob->type == SKILL ? ob : find_skill_by_name (this, ob->skill);
593
594 if (chosen_skill)
595 chosen_skill->flag [FLAG_APPLIED] = true;
480 596
481 update_stats (); 597 update_stats ();
482 598
483 if (ob) 599 if (ob)
484 { 600 {
489 { 605 {
490 current_weapon = chosen_skill = 0; 606 current_weapon = chosen_skill = 0;
491 update_stats (); 607 update_stats ();
492 608
493 new_draw_info_format (NDI_UNIQUE, 0, this, 609 new_draw_info_format (NDI_UNIQUE, 0, this,
494 "You try to balance your applied items all at once, but the %s is too much. " 610 "You try to balance all your items at once, "
611 "but the %s is just too much for your body. "
495 "You need to unapply some items first.", &ob->name); 612 "[You need to unapply some items first - use the 'body' command to see "
613 "how many items you cna wera on a specific body part.]", &ob->name);
496 return false; 614 return false;
497 } 615 }
498 616
499 //new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name); 617 //new_draw_info_format (NDI_UNIQUE, 0, this, "You switch to your %s.", &ob->name);
500 } 618 }
501 else 619 else
502 ;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons."); 620 ;//new_draw_info_format (NDI_UNIQUE, 0, this, "You unwield your weapons.");
503 621
622 if (ob && !ob->flag [FLAG_APPLIED] && ob->type != SPELL)
623 {
624 LOG (llevError | logBacktrace, "%s changed to unapplied weapon %s",
625 &name, ob->debug_desc ());
626 return false;
627 }
628
504 return true; 629 return true;
505} 630}
506 631
507/* Zero the key_values on op, decrementing the shared-string 632/* Zero the key_values on op, decrementing the shared-string
508 * refcounts and freeing the links. 633 * refcounts and freeing the links.
519 } 644 }
520 645
521 op->key_values = 0; 646 op->key_values = 0;
522} 647}
523 648
524object & 649/*
525object::operator =(const object &src) 650 * copy_to first frees everything allocated by the dst object,
651 * and then copies the contents of itself into the second
652 * object, allocating what needs to be allocated. Basically, any
653 * data that is malloc'd needs to be re-malloc/copied. Otherwise,
654 * if the first object is freed, the pointers in the new object
655 * will point at garbage.
656 */
657void
658object::copy_to (object *dst)
526{ 659{
527 bool is_freed = flag [FLAG_FREED]; 660 dst->remove ();
528 bool is_removed = flag [FLAG_REMOVED];
529
530 *(object_copy *)this = src; 661 *(object_copy *)dst = *this;
531
532 flag [FLAG_FREED] = is_freed;
533 flag [FLAG_REMOVED] = is_removed; 662 dst->flag [FLAG_REMOVED] = true;
534 663
535 /* Copy over key_values, if any. */ 664 /* Copy over key_values, if any. */
536 if (src.key_values) 665 if (key_values)
537 { 666 {
538 key_value *tail = 0; 667 key_value *tail = 0;
539 key_values = 0; 668 dst->key_values = 0;
540 669
541 for (key_value *i = src.key_values; i; i = i->next) 670 for (key_value *i = key_values; i; i = i->next)
542 { 671 {
543 key_value *new_link = new key_value; 672 key_value *new_link = new key_value;
544 673
545 new_link->next = 0; 674 new_link->next = 0;
546 new_link->key = i->key; 675 new_link->key = i->key;
547 new_link->value = i->value; 676 new_link->value = i->value;
548 677
549 /* Try and be clever here, too. */ 678 /* Try and be clever here, too. */
550 if (!key_values) 679 if (!dst->key_values)
551 { 680 {
552 key_values = new_link; 681 dst->key_values = new_link;
553 tail = new_link; 682 tail = new_link;
554 } 683 }
555 else 684 else
556 { 685 {
557 tail->next = new_link; 686 tail->next = new_link;
558 tail = new_link; 687 tail = new_link;
559 } 688 }
560 } 689 }
561 } 690 }
562}
563
564/*
565 * copy_to first frees everything allocated by the dst object,
566 * and then copies the contents of itself into the second
567 * object, allocating what needs to be allocated. Basically, any
568 * data that is malloc'd needs to be re-malloc/copied. Otherwise,
569 * if the first object is freed, the pointers in the new object
570 * will point at garbage.
571 */
572void
573object::copy_to (object *dst)
574{
575 *dst = *this;
576 691
577 if (speed < 0) 692 if (speed < 0)
578 dst->speed_left = speed_left - rndm (); 693 dst->speed_left -= rndm ();
579 694
580 dst->set_speed (dst->speed); 695 dst->activate ();
581} 696}
582 697
583void 698void
584object::instantiate () 699object::instantiate ()
585{ 700{
586 if (!uuid.seq) // HACK 701 if (!uuid.seq) // HACK
587 uuid = gen_uuid (); 702 uuid = UUID::gen ();
588 703
589 speed_left = -0.1f; 704 speed_left = -0.1f;
590 /* copy the body_info to the body_used - this is only really 705 /* copy the body_info to the body_used - this is only really
591 * need for monsters, but doesn't hurt to do it for everything. 706 * need for monsters, but doesn't hurt to do it for everything.
592 * by doing so, when a monster is created, it has good starting 707 * by doing so, when a monster is created, it has good starting
602object * 717object *
603object::clone () 718object::clone ()
604{ 719{
605 object *neu = create (); 720 object *neu = create ();
606 copy_to (neu); 721 copy_to (neu);
722 neu->map = map; // not copied by copy_to
607 return neu; 723 return neu;
608} 724}
609 725
610/* 726/*
611 * If an object with the IS_TURNABLE() flag needs to be turned due 727 * If an object with the IS_TURNABLE() flag needs to be turned due
628 * This function needs to be called whenever the speed of an object changes. 744 * This function needs to be called whenever the speed of an object changes.
629 */ 745 */
630void 746void
631object::set_speed (float speed) 747object::set_speed (float speed)
632{ 748{
633 if (flag [FLAG_FREED] && speed)
634 {
635 LOG (llevError, "Object %s is freed but has speed.\n", &name);
636 speed = 0;
637 }
638
639 this->speed = speed; 749 this->speed = speed;
640 750
641 if (has_active_speed ()) 751 if (has_active_speed ())
642 activate (); 752 activate ();
643 else 753 else
662 * UP_OBJ_FACE: only the objects face has changed. 772 * UP_OBJ_FACE: only the objects face has changed.
663 */ 773 */
664void 774void
665update_object (object *op, int action) 775update_object (object *op, int action)
666{ 776{
667 if (op == NULL) 777 if (!op)
668 { 778 {
669 /* this should never happen */ 779 /* this should never happen */
670 LOG (llevDebug, "update_object() called for NULL object.\n"); 780 LOG (llevError | logBacktrace, "update_object() called for NULL object.\n");
671 return; 781 return;
672 } 782 }
673 783
674 if (op->env) 784 if (!op->is_on_map ())
675 { 785 {
676 /* Animation is currently handled by client, so nothing 786 /* Animation is currently handled by client, so nothing
677 * to do in this case. 787 * to do in this case.
678 */ 788 */
679 return; 789 return;
680 } 790 }
681
682 /* If the map is saving, don't do anything as everything is
683 * going to get freed anyways.
684 */
685 if (!op->map || op->map->in_memory == MAP_SAVING)
686 return;
687 791
688 /* make sure the object is within map boundaries */ 792 /* make sure the object is within map boundaries */
689 if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height) 793 if (op->x < 0 || op->x >= op->map->width || op->y < 0 || op->y >= op->map->height)
690 { 794 {
691 LOG (llevError, "update_object() called for object out of map!\n"); 795 LOG (llevError, "update_object() called for object out of map!\n");
699 803
700 if (!(m.flags_ & P_UPTODATE)) 804 if (!(m.flags_ & P_UPTODATE))
701 /* nop */; 805 /* nop */;
702 else if (action == UP_OBJ_INSERT) 806 else if (action == UP_OBJ_INSERT)
703 { 807 {
808#if 0
704 // this is likely overkill, TODO: revisit (schmorp) 809 // this is likely overkill, TODO: revisit (schmorp)
705 if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW)) 810 if ((QUERY_FLAG (op, FLAG_BLOCKSVIEW) && !(m.flags_ & P_BLOCKSVIEW))
706 || (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC)) 811 || (QUERY_FLAG (op, FLAG_NO_MAGIC) && !(m.flags_ & P_NO_MAGIC))
707 || (op->type == PLAYER && !(m.flags_ & P_PLAYER)) 812 || (op->is_player () && !(m.flags_ & P_PLAYER))
708 || (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE)) 813 || (op->type == SAFE_GROUND && !(m.flags_ & P_SAFE))
709 || (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE)) 814 || (QUERY_FLAG (op, FLAG_ALIVE) && !(m.flags_ & P_IS_ALIVE))
710 || (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC)) 815 || (QUERY_FLAG (op, FLAG_DAMNED) && !(m.flags_ & P_NO_CLERIC))
711 || (m.move_on | op->move_on ) != m.move_on 816 || (m.move_on | op->move_on ) != m.move_on
712 || (m.move_off | op->move_off ) != m.move_off 817 || (m.move_off | op->move_off ) != m.move_off
713 || (m.move_slow | op->move_slow) != m.move_slow 818 || (m.move_slow | op->move_slow) != m.move_slow
714 /* This isn't perfect, but I don't expect a lot of objects to 819 /* This isn't perfect, but I don't expect a lot of objects to
715 * to have move_allow right now. 820 * have move_allow right now.
716 */ 821 */
717 || ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block 822 || ((m.move_block | op->move_block) & ~op->move_allow) != m.move_block
823 m.invalidate ();
824#else
718 || 1) // the above is not strong enough a test to skip updating. los maybe? TODO (Schmorp) 825 // the above is not strong enough a test to skip updating. los maybe? TODO (schmorp)
719 m.flags_ = 0; 826 m.invalidate ();
827#endif
720 } 828 }
721 /* if the object is being removed, we can't make intelligent 829 /* if the object is being removed, we can't make intelligent
722 * decisions, because remove_ob can't really pass the object 830 * decisions, because remove_ob can't really pass the object
723 * that is being removed. 831 * that is being removed.
724 */ 832 */
725 else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE) 833 else if (action == UP_OBJ_CHANGE || action == UP_OBJ_REMOVE)
726 m.flags_ = 0; 834 m.invalidate ();
727 else if (action == UP_OBJ_FACE) 835 else if (action == UP_OBJ_FACE)
728 /* Nothing to do for that case */ ; 836 /* Nothing to do for that case */ ;
729 else 837 else
730 LOG (llevError, "update_object called with invalid action: %d\n", action); 838 LOG (llevError, "update_object called with invalid action: %d\n", action);
731 839
735 843
736object::object () 844object::object ()
737{ 845{
738 SET_FLAG (this, FLAG_REMOVED); 846 SET_FLAG (this, FLAG_REMOVED);
739 847
740 expmul = 1.0; 848 //expmul = 1.0; declared const for the time being
741 face = blank_face; 849 face = blank_face;
850 material = MATERIAL_NULL;
742} 851}
743 852
744object::~object () 853object::~object ()
745{ 854{
746 unlink (); 855 unlink ();
751static int object_count; 860static int object_count;
752 861
753void object::link () 862void object::link ()
754{ 863{
755 assert (!index);//D 864 assert (!index);//D
756 uuid = gen_uuid (); 865 uuid = UUID::gen ();
757 count = ++object_count; 866 count = ++object_count;
758 867
759 refcnt_inc (); 868 refcnt_inc ();
760 objects.insert (this); 869 objects.insert (this);
761} 870}
775 /* If already on active list, don't do anything */ 884 /* If already on active list, don't do anything */
776 if (active) 885 if (active)
777 return; 886 return;
778 887
779 if (has_active_speed ()) 888 if (has_active_speed ())
889 {
890 if (flag [FLAG_FREED])
891 LOG (llevError | logBacktrace, "BUG: tried to activate freed object %s\n", debug_desc ());//D
892
780 actives.insert (this); 893 actives.insert (this);
894 }
781} 895}
782 896
783void 897void
784object::activate_recursive () 898object::activate_recursive ()
785{ 899{
834object::destroy_inv (bool drop_to_ground) 948object::destroy_inv (bool drop_to_ground)
835{ 949{
836 // need to check first, because the checks below might segfault 950 // need to check first, because the checks below might segfault
837 // as we might be on an invalid mapspace and crossfire code 951 // as we might be on an invalid mapspace and crossfire code
838 // is too buggy to ensure that the inventory is empty. 952 // is too buggy to ensure that the inventory is empty.
839 // corollary: if you create arrows etc. with stuff in tis inventory, 953 // corollary: if you create arrows etc. with stuff in its inventory,
840 // cf will crash below with off-map x and y 954 // cf will crash below with off-map x and y
841 if (!inv) 955 if (!inv)
842 return; 956 return;
843 957
844 /* Only if the space blocks everything do we not process - 958 /* Only if the space blocks everything do we not process -
845 * if some form of movement is allowed, let objects 959 * if some form of movement is allowed, let objects
846 * drop on that space. 960 * drop on that space.
847 */ 961 */
848 if (!drop_to_ground 962 if (!drop_to_ground
849 || !map 963 || !map
850 || map->in_memory != MAP_IN_MEMORY 964 || map->in_memory != MAP_ACTIVE
851 || map->nodrop 965 || map->no_drop
852 || ms ().move_block == MOVE_ALL) 966 || ms ().move_block == MOVE_ALL)
853 { 967 {
854 while (inv) 968 while (inv)
855 {
856 inv->destroy_inv (drop_to_ground);
857 inv->destroy (); 969 inv->destroy ();
858 }
859 } 970 }
860 else 971 else
861 { /* Put objects in inventory onto this space */ 972 { /* Put objects in inventory onto this space */
862 while (inv) 973 while (inv)
863 { 974 {
881 object *op = new object; 992 object *op = new object;
882 op->link (); 993 op->link ();
883 return op; 994 return op;
884} 995}
885 996
997static struct freed_map : maptile
998{
999 freed_map ()
1000 {
1001 path = "<freed objects map>";
1002 name = "/internal/freed_objects_map";
1003 width = 3;
1004 height = 3;
1005 no_drop = 1;
1006 no_reset = 1;
1007
1008 alloc ();
1009 in_memory = MAP_ACTIVE;
1010 }
1011
1012 ~freed_map ()
1013 {
1014 destroy ();
1015 }
1016} freed_map; // freed objects are moved here to avoid crashes
1017
886void 1018void
887object::do_destroy () 1019object::do_destroy ()
888{ 1020{
889 attachable::do_destroy ();
890
891 if (flag [FLAG_IS_LINKED]) 1021 if (flag [FLAG_IS_LINKED])
892 remove_button_link (this); 1022 remove_link ();
893 1023
894 if (flag [FLAG_FRIENDLY]) 1024 if (flag [FLAG_FRIENDLY])
895 remove_friendly_object (this); 1025 remove_friendly_object (this);
896 1026
897 if (!flag [FLAG_REMOVED])
898 remove (); 1027 remove ();
899 1028
900 destroy_inv (true); 1029 attachable::do_destroy ();
901 1030
902 deactivate (); 1031 deactivate ();
903 unlink (); 1032 unlink ();
904 1033
905 flag [FLAG_FREED] = 1; 1034 flag [FLAG_FREED] = 1;
906 1035
907 // hack to ensure that freed objects still have a valid map 1036 // hack to ensure that freed objects still have a valid map
908 {
909 static maptile *freed_map; // freed objects are moved here to avoid crashes
910
911 if (!freed_map)
912 {
913 freed_map = new maptile;
914
915 freed_map->name = "/internal/freed_objects_map";
916 freed_map->width = 3;
917 freed_map->height = 3;
918
919 freed_map->alloc ();
920 freed_map->in_memory = MAP_IN_MEMORY;
921 }
922
923 map = freed_map; 1037 map = &freed_map;
924 x = 1; 1038 x = 1;
925 y = 1; 1039 y = 1;
926 }
927
928 head = 0;
929 1040
930 if (more) 1041 if (more)
931 { 1042 {
932 more->destroy (); 1043 more->destroy ();
933 more = 0; 1044 more = 0;
934 } 1045 }
935 1046
1047 head = 0;
1048
936 // clear those pointers that likely might have circular references to us 1049 // clear those pointers that likely might cause circular references
937 owner = 0; 1050 owner = 0;
938 enemy = 0; 1051 enemy = 0;
939 attacked_by = 0; 1052 attacked_by = 0;
1053 current_weapon = 0;
940} 1054}
941 1055
942void 1056void
943object::destroy (bool destroy_inventory) 1057object::destroy ()
944{ 1058{
945 if (destroyed ()) 1059 if (destroyed ())
946 return; 1060 return;
947 1061
948 if (destroy_inventory) 1062 if (!is_head () && !head->destroyed ())
1063 {
1064 LOG (llevError | logBacktrace, "tried to destroy the tail of an object");
1065 head->destroy ();
1066 return;
1067 }
1068
949 destroy_inv (false); 1069 destroy_inv (false);
1070
1071 if (is_head ())
1072 if (sound_destroy)
1073 play_sound (sound_destroy);
1074 else if (flag [FLAG_MONSTER])
1075 play_sound (sound_find ("monster_destroy")); // quick hack, too lazy to create a generic mechanism
950 1076
951 attachable::destroy (); 1077 attachable::destroy ();
952}
953
954/*
955 * sub_weight() recursively (outwards) subtracts a number from the
956 * weight of an object (and what is carried by it's environment(s)).
957 */
958void
959sub_weight (object *op, signed long weight)
960{
961 while (op != NULL)
962 {
963 if (op->type == CONTAINER)
964 weight = (signed long) (weight * (100 - op->stats.Str) / 100);
965
966 op->carrying -= weight;
967 op = op->env;
968 }
969} 1078}
970 1079
971/* op->remove (): 1080/* op->remove ():
972 * This function removes the object op from the linked list of objects 1081 * This function removes the object op from the linked list of objects
973 * which it is currently tied to. When this function is done, the 1082 * which it is currently tied to. When this function is done, the
976 * the previous environment. 1085 * the previous environment.
977 */ 1086 */
978void 1087void
979object::do_remove () 1088object::do_remove ()
980{ 1089{
981 object *tmp, *last = 0; 1090 if (flag [FLAG_REMOVED])
982 object *otmp;
983
984 if (QUERY_FLAG (this, FLAG_REMOVED))
985 return; 1091 return;
986 1092
987 SET_FLAG (this, FLAG_REMOVED);
988 INVOKE_OBJECT (REMOVE, this); 1093 INVOKE_OBJECT (REMOVE, this);
1094
1095 flag [FLAG_REMOVED] = true;
989 1096
990 if (more) 1097 if (more)
991 more->remove (); 1098 more->remove ();
992 1099
993 /* 1100 /*
994 * In this case, the object to be removed is in someones 1101 * In this case, the object to be removed is in someones
995 * inventory. 1102 * inventory.
996 */ 1103 */
997 if (env) 1104 if (env)
998 { 1105 {
999 if (nrof) 1106 flag [FLAG_REMOVED] = false; // hack around the issue of visible_to checking flag_removed
1000 sub_weight (env, weight * nrof); 1107 if (object *pl = visible_to ())
1001 else 1108 esrv_del_item (pl->contr, count);
1002 sub_weight (env, weight + carrying); 1109 flag [FLAG_REMOVED] = true; // hack around the issue of visible_to checking flag_removed
1110
1111 adjust_weight (env, -total_weight ());
1112
1113 object *pl = in_player ();
1114
1115 /* we set up values so that it could be inserted into
1116 * the map, but we don't actually do that - it is up
1117 * to the caller to decide what we want to do.
1118 */
1119 map = env->map;
1120 x = env->x;
1121 y = env->y;
1122
1123 // make sure cmov optimisation is applicable
1124 *(above ? &above->below : &env->inv) = below;
1125 *(below ? &below->above : &above ) = above; // &above is just a dummy
1126
1127 above = 0;
1128 below = 0;
1129 env = 0;
1003 1130
1004 /* NO_FIX_PLAYER is set when a great many changes are being 1131 /* NO_FIX_PLAYER is set when a great many changes are being
1005 * made to players inventory. If set, avoiding the call 1132 * made to players inventory. If set, avoiding the call
1006 * to save cpu time. 1133 * to save cpu time.
1007 */ 1134 */
1008 if ((otmp = in_player ()) && otmp->contr && !QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER)) 1135 if (pl)
1136 if (pl->is_player () && (glow_radius || !QUERY_FLAG (pl, FLAG_NO_FIX_PLAYER)))
1137 {
1009 otmp->update_stats (); 1138 pl->update_stats ();
1010 1139
1011 if (above) 1140 if (glow_radius && pl->is_on_map ())
1012 above->below = below; 1141 update_all_los (pl->map, pl->x, pl->y);
1013 else 1142 }
1014 env->inv = below;
1015
1016 if (below)
1017 below->above = above;
1018
1019 /* we set up values so that it could be inserted into
1020 * the map, but we don't actually do that - it is up
1021 * to the caller to decide what we want to do.
1022 */
1023 x = env->x, y = env->y;
1024 map = env->map;
1025 above = 0, below = 0;
1026 env = 0;
1027 } 1143 }
1028 else if (map) 1144 else if (map)
1029 { 1145 {
1030 if (type == PLAYER)
1031 {
1032 // leaving a spot always closes any open container on the ground
1033 if (container && !container->env)
1034 // this causes spurious floorbox updates, but it ensures
1035 // that the CLOSE event is being sent.
1036 close_container ();
1037
1038 --map->players;
1039 map->touch ();
1040 }
1041
1042 map->dirty = true; 1146 map->dirty = true;
1043 mapspace &ms = this->ms (); 1147 mapspace &ms = this->ms ();
1044 1148
1149 if (object *pl = ms.player ())
1150 {
1151 if (is_player ())
1152 {
1153 if (!flag [FLAG_WIZPASS])
1154 ms.smell = ++mapspace::smellcount; // remember the smell of the player
1155
1156 // leaving a spot always closes any open container on the ground
1157 if (container && !container->env)
1158 // this causes spurious floorbox updates, but it ensures
1159 // that the CLOSE event is being sent.
1160 close_container ();
1161
1162 --map->players;
1163 map->touch ();
1164 }
1165 else if (pl->container_ () == this)
1166 {
1167 // removing a container should close it
1168 close_container ();
1169 }
1170
1171 esrv_del_item (pl->contr, count);
1172 }
1173
1045 /* link the object above us */ 1174 /* link the object above us */
1046 if (above) 1175 // re-link, make sure compiler can easily use cmove
1047 above->below = below; 1176 *(above ? &above->below : &ms.top) = below;
1048 else 1177 *(below ? &below->above : &ms.bot) = above;
1049 ms.top = below; /* we were top, set new top */
1050
1051 /* Relink the object below us, if there is one */
1052 if (below)
1053 below->above = above;
1054 else
1055 {
1056 /* Nothing below, which means we need to relink map object for this space
1057 * use translated coordinates in case some oddness with map tiling is
1058 * evident
1059 */
1060 if (GET_MAP_OB (map, x, y) != this)
1061 LOG (llevError, "remove_ob: GET_MAP_OB does not return object to be removed even though it appears to be on the bottom? %s\n", debug_desc ());
1062
1063 ms.bot = above; /* goes on above it. */
1064 }
1065 1178
1066 above = 0; 1179 above = 0;
1067 below = 0; 1180 below = 0;
1068 1181
1182 ms.invalidate ();
1183
1069 if (map->in_memory == MAP_SAVING) 1184 if (map->in_memory == MAP_SAVING)
1070 return; 1185 return;
1071 1186
1072 int check_walk_off = !flag [FLAG_NO_APPLY]; 1187 int check_walk_off = !flag [FLAG_NO_APPLY];
1073 1188
1074 for (tmp = ms.bot; tmp; tmp = tmp->above) 1189 if (object *pl = ms.player ())
1075 { 1190 {
1076 /* No point updating the players look faces if he is the object 1191 if (pl->container_ () == this)
1077 * being removed.
1078 */
1079
1080 if (tmp->type == PLAYER && tmp != this)
1081 {
1082 /* If a container that the player is currently using somehow gets 1192 /* If a container that the player is currently using somehow gets
1083 * removed (most likely destroyed), update the player view 1193 * removed (most likely destroyed), update the player view
1084 * appropriately. 1194 * appropriately.
1085 */ 1195 */
1086 if (tmp->container == this) 1196 pl->close_container ();
1087 {
1088 flag [FLAG_APPLIED] = 0;
1089 tmp->container = 0;
1090 }
1091 1197
1198 //TODO: the floorbox prev/next might need updating
1199 //esrv_del_item (pl->contr, count);
1200 //TODO: update floorbox to preserve ordering
1092 if (tmp->contr->ns) 1201 if (pl->contr->ns)
1093 tmp->contr->ns->floorbox_update (); 1202 pl->contr->ns->floorbox_update ();
1203 }
1204
1205 if (check_walk_off)
1206 for (object *above, *tmp = ms.bot; tmp; tmp = above)
1207 {
1208 above = tmp->above;
1209
1210 /* No point updating the players look faces if he is the object
1211 * being removed.
1094 } 1212 */
1095 1213
1096 /* See if object moving off should effect something */ 1214 /* See if object moving off should effect something */
1097 if (check_walk_off
1098 && ((move_type & tmp->move_off) 1215 if ((move_type & tmp->move_off)
1099 && (move_type & ~tmp->move_off & ~tmp->move_block) == 0)) 1216 && (move_type & ~tmp->move_off & ~tmp->move_block) == 0)
1100 {
1101 move_apply (tmp, this, 0); 1217 move_apply (tmp, this, 0);
1102
1103 if (destroyed ())
1104 LOG (llevError, "BUG: remove_ob(): name %s, destroyed leaving object\n", tmp->debug_desc ());
1105 } 1218 }
1106 1219
1107 /* Eneq(@csd.uu.se): Fixed this to skip tmp->above=tmp */ 1220 if (affects_los ())
1108 //TODO: why is this horrible hacka fix? get rid of this code=bug! (schmorp)
1109 if (tmp->above == tmp)
1110 tmp->above = 0;
1111
1112 last = tmp;
1113 }
1114
1115 /* last == NULL if there are no objects on this space */
1116 //TODO: this makes little sense, why only update the topmost object?
1117 if (!last)
1118 map->at (x, y).flags_ = 0;
1119 else
1120 update_object (last, UP_OBJ_REMOVE);
1121
1122 if (flag [FLAG_BLOCKSVIEW] || glow_radius)
1123 update_all_los (map, x, y); 1221 update_all_los (map, x, y);
1124 } 1222 }
1125} 1223}
1126 1224
1127/* 1225/*
1136merge_ob (object *op, object *top) 1234merge_ob (object *op, object *top)
1137{ 1235{
1138 if (!op->nrof) 1236 if (!op->nrof)
1139 return 0; 1237 return 0;
1140 1238
1141 if (top) 1239 if (!top)
1142 for (top = op; top && top->above; top = top->above) 1240 for (top = op; top && top->above; top = top->above)
1143 ; 1241 ;
1144 1242
1145 for (; top; top = top->below) 1243 for (; top; top = top->below)
1146 {
1147 if (top == op)
1148 continue;
1149
1150 if (object::can_merge (op, top)) 1244 if (object::can_merge (op, top))
1151 { 1245 {
1152 top->nrof += op->nrof; 1246 top->nrof += op->nrof;
1153 1247
1154/* CLEAR_FLAG(top,FLAG_STARTEQUIP);*/ 1248 if (object *pl = top->visible_to ())
1155 op->weight = 0; /* Don't want any adjustements now */ 1249 esrv_update_item (UPD_NROF, pl, top);
1250
1251 op->weight = 0; // cancel the addition above
1252 op->carrying = 0; // must be 0 already
1253
1156 op->destroy (); 1254 op->destroy ();
1255
1157 return top; 1256 return top;
1158 } 1257 }
1159 }
1160 1258
1161 return 0; 1259 return 0;
1162} 1260}
1163 1261
1164void 1262void
1167 if (more) 1265 if (more)
1168 return; 1266 return;
1169 1267
1170 object *prev = this; 1268 object *prev = this;
1171 1269
1172 for (archetype *at = arch->more; at; at = at->more) 1270 for (archetype *at = (archetype *)arch->more; at; at = (archetype *)at->more)
1173 { 1271 {
1174 object *op = arch_to_object (at); 1272 object *op = arch_to_object (at);
1175 1273
1176 op->name = name; 1274 op->name = name;
1177 op->name_pl = name_pl; 1275 op->name_pl = name_pl;
1189 * job preparing multi-part monsters. 1287 * job preparing multi-part monsters.
1190 */ 1288 */
1191object * 1289object *
1192insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y) 1290insert_ob_in_map_at (object *op, maptile *m, object *originator, int flag, int x, int y)
1193{ 1291{
1292 op->remove ();
1293
1194 for (object *tmp = op->head_ (); tmp; tmp = tmp->more) 1294 for (object *tmp = op->head_ (); tmp; tmp = tmp->more)
1195 { 1295 {
1196 tmp->x = x + tmp->arch->clone.x; 1296 tmp->x = x + tmp->arch->x;
1197 tmp->y = y + tmp->arch->clone.y; 1297 tmp->y = y + tmp->arch->y;
1198 } 1298 }
1199 1299
1200 return insert_ob_in_map (op, m, originator, flag); 1300 return insert_ob_in_map (op, m, originator, flag);
1201} 1301}
1202 1302
1221 * just 'op' otherwise 1321 * just 'op' otherwise
1222 */ 1322 */
1223object * 1323object *
1224insert_ob_in_map (object *op, maptile *m, object *originator, int flag) 1324insert_ob_in_map (object *op, maptile *m, object *originator, int flag)
1225{ 1325{
1226 assert (!op->flag [FLAG_FREED]);
1227
1228 object *tmp, *top, *floor = NULL;
1229
1230 op->remove (); 1326 op->remove ();
1231 1327
1232#if 0 1328 if (m == &freed_map)//D TODO: remove soon
1233 if (!m->active != !op->active)
1234 if (m->active)
1235 op->activate_recursive ();
1236 else
1237 op->deactivate_recursive ();
1238#endif
1239
1240 if (out_of_map (m, op->x, op->y))
1241 { 1329 {//D
1242 LOG (llevError, "Trying to insert object outside the map.\n%s\n", op->debug_desc ()); 1330 LOG (llevError | logBacktrace, "tries to insret object on freed objects map: %s", op->debug_desc ());//D
1243#ifdef MANY_CORES
1244 /* Better to catch this here, as otherwise the next use of this object
1245 * is likely to cause a crash. Better to find out where it is getting
1246 * improperly inserted.
1247 */
1248 abort ();
1249#endif
1250 return op;
1251 } 1331 }//D
1252
1253 if (object *more = op->more)
1254 {
1255 if (!insert_ob_in_map (more, m, originator, flag))
1256 {
1257 if (!op->head)
1258 LOG (llevError, "BUG: insert_ob_in_map(): inserting op->more killed op\n");
1259
1260 return 0;
1261 }
1262 }
1263
1264 CLEAR_FLAG (op, FLAG_REMOVED);
1265 1332
1266 /* Ideally, the caller figures this out. However, it complicates a lot 1333 /* Ideally, the caller figures this out. However, it complicates a lot
1267 * of areas of callers (eg, anything that uses find_free_spot would now 1334 * of areas of callers (eg, anything that uses find_free_spot would now
1268 * need extra work 1335 * need extra work
1269 */ 1336 */
1337 maptile *newmap = m;
1270 if (!xy_normalise (m, op->x, op->y)) 1338 if (!xy_normalise (newmap, op->x, op->y))
1339 {
1340 op->head_ ()->destroy ();// remove head_ once all tail object destroyers found
1271 return 0; 1341 return 0;
1342 }
1272 1343
1344 if (object *more = op->more)
1345 if (!insert_ob_in_map (more, m, originator, flag))
1346 return 0;
1347
1348 op->flag [FLAG_REMOVED] = false;
1349 op->env = 0;
1273 op->map = m; 1350 op->map = newmap;
1351
1274 mapspace &ms = op->ms (); 1352 mapspace &ms = op->ms ();
1275 1353
1276 /* this has to be done after we translate the coordinates. 1354 /* this has to be done after we translate the coordinates.
1277 */ 1355 */
1278 if (op->nrof && !(flag & INS_NO_MERGE)) 1356 if (op->nrof && !(flag & INS_NO_MERGE))
1279 for (tmp = ms.bot; tmp; tmp = tmp->above) 1357 for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1280 if (object::can_merge (op, tmp)) 1358 if (object::can_merge (op, tmp))
1281 { 1359 {
1360 // TODO: we actually want to update tmp, not op,
1361 // but some caller surely breaks when we return tmp
1362 // from here :/
1282 op->nrof += tmp->nrof; 1363 op->nrof += tmp->nrof;
1283 tmp->destroy (); 1364 tmp->destroy ();
1284 } 1365 }
1285 1366
1286 CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */ 1367 CLEAR_FLAG (op, FLAG_APPLIED); /* hack for fixing F_APPLIED in items of dead people */
1295 { 1376 {
1296 LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n"); 1377 LOG (llevError, "insert_ob_in_map called with INS_BELOW_ORIGINATOR when originator not on same space!\n");
1297 abort (); 1378 abort ();
1298 } 1379 }
1299 1380
1381 if (!originator->is_on_map ())
1382 {
1383 LOG (llevError, "insert_ob_in_map(%s) called with INS_BELOW_ORIGINATOR when originator '%s' not on map",
1384 op->debug_desc (), originator->debug_desc ());
1385 abort ();
1386 }
1387
1300 op->above = originator; 1388 op->above = originator;
1301 op->below = originator->below; 1389 op->below = originator->below;
1302
1303 if (op->below)
1304 op->below->above = op;
1305 else
1306 ms.bot = op;
1307
1308 /* since *below* originator, no need to update top */
1309 originator->below = op; 1390 originator->below = op;
1391
1392 *(op->below ? &op->below->above : &ms.bot) = op;
1310 } 1393 }
1311 else 1394 else
1312 { 1395 {
1313 top = ms.bot; 1396 object *floor = 0;
1397 object *top = ms.top;
1314 1398
1315 /* If there are other objects, then */ 1399 /* If there are other objects, then */
1316 if ((!(flag & INS_MAP_LOAD)) && top) 1400 if (top)
1317 { 1401 {
1318 object *last = 0;
1319
1320 /* 1402 /*
1321 * If there are multiple objects on this space, we do some trickier handling. 1403 * If there are multiple objects on this space, we do some trickier handling.
1322 * We've already dealt with merging if appropriate. 1404 * We've already dealt with merging if appropriate.
1323 * Generally, we want to put the new object on top. But if 1405 * Generally, we want to put the new object on top. But if
1324 * flag contains INS_ABOVE_FLOOR_ONLY, once we find the last 1406 * flag contains INS_ABOVE_FLOOR_ONLY, once we find the last
1327 * once we get to them. This reduces the need to traverse over all of 1409 * once we get to them. This reduces the need to traverse over all of
1328 * them when adding another one - this saves quite a bit of cpu time 1410 * them when adding another one - this saves quite a bit of cpu time
1329 * when lots of spells are cast in one area. Currently, it is presumed 1411 * when lots of spells are cast in one area. Currently, it is presumed
1330 * that flying non pickable objects are spell objects. 1412 * that flying non pickable objects are spell objects.
1331 */ 1413 */
1332 for (top = ms.bot; top; top = top->above) 1414 for (object *tmp = ms.bot; tmp; tmp = tmp->above)
1333 { 1415 {
1334 if (QUERY_FLAG (top, FLAG_IS_FLOOR) || QUERY_FLAG (top, FLAG_OVERLAY_FLOOR)) 1416 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) || QUERY_FLAG (tmp, FLAG_OVERLAY_FLOOR))
1335 floor = top; 1417 floor = tmp;
1336 1418
1337 if (QUERY_FLAG (top, FLAG_NO_PICK) && (top->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (top, FLAG_IS_FLOOR)) 1419 if (QUERY_FLAG (tmp, FLAG_NO_PICK) && (tmp->move_type & (MOVE_FLY_LOW | MOVE_FLY_HIGH)) && !QUERY_FLAG (tmp, FLAG_IS_FLOOR))
1338 { 1420 {
1339 /* We insert above top, so we want this object below this */ 1421 /* We insert above top, so we want this object below this */
1340 top = top->below; 1422 top = tmp->below;
1341 break; 1423 break;
1342 } 1424 }
1343 1425
1344 last = top; 1426 top = tmp;
1345 } 1427 }
1346
1347 /* Don't want top to be NULL, so set it to the last valid object */
1348 top = last;
1349 1428
1350 /* We let update_position deal with figuring out what the space 1429 /* We let update_position deal with figuring out what the space
1351 * looks like instead of lots of conditions here. 1430 * looks like instead of lots of conditions here.
1352 * makes things faster, and effectively the same result. 1431 * makes things faster, and effectively the same result.
1353 */ 1432 */
1360 */ 1439 */
1361 if (!(flag & INS_ON_TOP) 1440 if (!(flag & INS_ON_TOP)
1362 && ms.flags () & P_BLOCKSVIEW 1441 && ms.flags () & P_BLOCKSVIEW
1363 && (op->face && !faces [op->face].visibility)) 1442 && (op->face && !faces [op->face].visibility))
1364 { 1443 {
1444 object *last;
1445
1365 for (last = top; last != floor; last = last->below) 1446 for (last = top; last != floor; last = last->below)
1366 if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT)) 1447 if (QUERY_FLAG (last, FLAG_BLOCKSVIEW) && (last->type != EXIT))
1367 break; 1448 break;
1368 1449
1369 /* Check to see if we found the object that blocks view, 1450 /* Check to see if we found the object that blocks view,
1374 if (last && last->below && last != floor) 1455 if (last && last->below && last != floor)
1375 top = last->below; 1456 top = last->below;
1376 } 1457 }
1377 } /* If objects on this space */ 1458 } /* If objects on this space */
1378 1459
1379 if (flag & INS_MAP_LOAD)
1380 top = ms.top;
1381
1382 if (flag & INS_ABOVE_FLOOR_ONLY) 1460 if (flag & INS_ABOVE_FLOOR_ONLY)
1383 top = floor; 1461 top = floor;
1384 1462
1385 /* Top is the object that our object (op) is going to get inserted above. 1463 // insert object above top, or bottom-most if top = 0
1386 */
1387
1388 /* First object on this space */
1389 if (!top) 1464 if (!top)
1390 { 1465 {
1466 op->below = 0;
1391 op->above = ms.bot; 1467 op->above = ms.bot;
1392
1393 if (op->above)
1394 op->above->below = op;
1395
1396 op->below = 0;
1397 ms.bot = op; 1468 ms.bot = op;
1469
1470 *(op->above ? &op->above->below : &ms.top) = op;
1398 } 1471 }
1399 else 1472 else
1400 { /* get inserted into the stack above top */ 1473 {
1401 op->above = top->above; 1474 op->above = top->above;
1402
1403 if (op->above)
1404 op->above->below = op; 1475 top->above = op;
1405 1476
1406 op->below = top; 1477 op->below = top;
1407 top->above = op; 1478 *(op->above ? &op->above->below : &ms.top) = op;
1408 } 1479 }
1480 }
1409 1481
1410 if (!op->above) 1482 if (op->is_player ())
1411 ms.top = op;
1412 } /* else not INS_BELOW_ORIGINATOR */
1413
1414 if (op->type == PLAYER)
1415 { 1483 {
1416 op->contr->do_los = 1; 1484 op->contr->do_los = 1;
1417 ++op->map->players; 1485 ++op->map->players;
1418 op->map->touch (); 1486 op->map->touch ();
1419 } 1487 }
1420 1488
1421 op->map->dirty = true; 1489 op->map->dirty = true;
1422 1490
1423 /* If we have a floor, we know the player, if any, will be above
1424 * it, so save a few ticks and start from there.
1425 */
1426 if (!(flag & INS_MAP_LOAD))
1427 if (object *pl = ms.player ()) 1491 if (object *pl = ms.player ())
1492 //TODO: the floorbox prev/next might need updating
1493 //esrv_send_item (pl, op);
1494 //TODO: update floorbox to preserve ordering
1428 if (pl->contr->ns) 1495 if (pl->contr->ns)
1429 pl->contr->ns->floorbox_update (); 1496 pl->contr->ns->floorbox_update ();
1430 1497
1431 /* If this object glows, it may affect lighting conditions that are 1498 /* If this object glows, it may affect lighting conditions that are
1432 * visible to others on this map. But update_all_los is really 1499 * visible to others on this map. But update_all_los is really
1433 * an inefficient way to do this, as it means los for all players 1500 * an inefficient way to do this, as it means los for all players
1434 * on the map will get recalculated. The players could very well 1501 * on the map will get recalculated. The players could very well
1435 * be far away from this change and not affected in any way - 1502 * be far away from this change and not affected in any way -
1436 * this should get redone to only look for players within range, 1503 * this should get redone to only look for players within range,
1437 * or just updating the P_UPTODATE for spaces within this area 1504 * or just updating the P_UPTODATE for spaces within this area
1438 * of effect may be sufficient. 1505 * of effect may be sufficient.
1439 */ 1506 */
1440 if (op->map->darkness && (op->glow_radius != 0)) 1507 if (op->affects_los ())
1508 {
1509 op->ms ().invalidate ();
1441 update_all_los (op->map, op->x, op->y); 1510 update_all_los (op->map, op->x, op->y);
1511 }
1442 1512
1443 /* updates flags (blocked, alive, no magic, etc) for this map space */ 1513 /* updates flags (blocked, alive, no magic, etc) for this map space */
1444 update_object (op, UP_OBJ_INSERT); 1514 update_object (op, UP_OBJ_INSERT);
1445 1515
1446 INVOKE_OBJECT (INSERT, op); 1516 INVOKE_OBJECT (INSERT, op);
1453 * blocked() and wall() work properly), and these flags are updated by 1523 * blocked() and wall() work properly), and these flags are updated by
1454 * update_object(). 1524 * update_object().
1455 */ 1525 */
1456 1526
1457 /* if this is not the head or flag has been passed, don't check walk on status */ 1527 /* if this is not the head or flag has been passed, don't check walk on status */
1458 if (!(flag & INS_NO_WALK_ON) && !op->head) 1528 if (!(flag & INS_NO_WALK_ON) && op->is_head ())
1459 { 1529 {
1460 if (check_move_on (op, originator)) 1530 if (check_move_on (op, originator))
1461 return 0; 1531 return 0;
1462 1532
1463 /* If we are a multi part object, lets work our way through the check 1533 /* If we are a multi part object, lets work our way through the check
1464 * walk on's. 1534 * walk on's.
1465 */ 1535 */
1466 for (tmp = op->more; tmp != NULL; tmp = tmp->more) 1536 for (object *tmp = op->more; tmp; tmp = tmp->more)
1467 if (check_move_on (tmp, originator)) 1537 if (check_move_on (tmp, originator))
1468 return 0; 1538 return 0;
1469 } 1539 }
1470 1540
1471 return op; 1541 return op;
1474/* this function inserts an object in the map, but if it 1544/* this function inserts an object in the map, but if it
1475 * finds an object of its own type, it'll remove that one first. 1545 * finds an object of its own type, it'll remove that one first.
1476 * op is the object to insert it under: supplies x and the map. 1546 * op is the object to insert it under: supplies x and the map.
1477 */ 1547 */
1478void 1548void
1479replace_insert_ob_in_map (const char *arch_string, object *op) 1549replace_insert_ob_in_map (shstr_tmp archname, object *op)
1480{ 1550{
1481 object *tmp, *tmp1;
1482
1483 /* first search for itself and remove any old instances */ 1551 /* first search for itself and remove any old instances */
1484 1552
1485 for (tmp = op->ms ().bot; tmp; tmp = tmp->above) 1553 for (object *tmp = op->ms ().bot; tmp; tmp = tmp->above)
1486 if (!strcmp (tmp->arch->name, arch_string)) /* same archetype */ 1554 if (tmp->arch->archname == archname) /* same archetype */
1487 tmp->destroy (); 1555 tmp->destroy ();
1488 1556
1489 tmp1 = arch_to_object (archetype::find (arch_string)); 1557 object *tmp = arch_to_object (archetype::find (archname));
1490 1558
1491 tmp1->x = op->x; 1559 tmp->x = op->x;
1492 tmp1->y = op->y; 1560 tmp->y = op->y;
1561
1493 insert_ob_in_map (tmp1, op->map, op, 0); 1562 insert_ob_in_map (tmp, op->map, op, 0);
1494} 1563}
1495 1564
1496object * 1565object *
1497object::insert_at (object *where, object *originator, int flags) 1566object::insert_at (object *where, object *originator, int flags)
1498{ 1567{
1568 if (where->env)
1569 return where->env->insert (this);
1570 else
1499 return where->map->insert (this, where->x, where->y, originator, flags); 1571 return where->map->insert (this, where->x, where->y, originator, flags);
1500} 1572}
1501 1573
1502/* 1574// check whether we can put this into the map, respect max_volume, max_items
1503 * get_split_ob(ob,nr) splits up ob into two parts. The part which 1575bool
1504 * is returned contains nr objects, and the remaining parts contains 1576object::can_drop_at (maptile *m, int x, int y, object *originator)
1505 * the rest (or is removed and freed if that number is 0).
1506 * On failure, NULL is returned, and the reason put into the
1507 * global static errmsg array.
1508 */
1509object *
1510get_split_ob (object *orig_ob, uint32 nr)
1511{ 1577{
1512 object *newob; 1578 mapspace &ms = m->at (x, y);
1513 int is_removed = (QUERY_FLAG (orig_ob, FLAG_REMOVED) != 0);
1514 1579
1515 if (orig_ob->nrof < nr) 1580 int items = ms.items ();
1516 {
1517 sprintf (errmsg, "There are only %d %ss.", orig_ob->nrof ? orig_ob->nrof : 1, &orig_ob->name);
1518 return NULL;
1519 }
1520 1581
1521 newob = object_create_clone (orig_ob); 1582 if (!items // testing !items ensures we can drop at least one item
1583 || (items < m->max_items
1584 && ms.volume () < m->max_volume))
1585 return true;
1522 1586
1523 if ((orig_ob->nrof -= nr) < 1) 1587 if (originator && originator->is_player ())
1524 orig_ob->destroy (1); 1588 originator->contr->failmsg (format (
1525 else if (!is_removed) 1589 "No matter how hard you try, you just cannot put the %s here H<Try to remove some items from the floor first.>",
1526 { 1590 query_name ()
1527 if (orig_ob->env != NULL) 1591 ));
1528 sub_weight (orig_ob->env, orig_ob->weight * nr);
1529 if (orig_ob->env == NULL && orig_ob->map->in_memory != MAP_IN_MEMORY)
1530 {
1531 strcpy (errmsg, "Tried to split object whose map is not in memory.");
1532 LOG (llevDebug, "Error, Tried to split object whose map is not in memory.\n");
1533 return NULL;
1534 }
1535 }
1536 1592
1537 newob->nrof = nr; 1593 return false;
1538
1539 return newob;
1540} 1594}
1541 1595
1542/* 1596/*
1543 * decrease_ob_nr(object, number) decreases a specified number from 1597 * decrease(object, number) decreases a specified number from
1544 * the amount of an object. If the amount reaches 0, the object 1598 * the amount of an object. If the amount reaches 0, the object
1545 * is subsequently removed and freed. 1599 * is subsequently removed and freed.
1546 * 1600 *
1547 * Return value: 'op' if something is left, NULL if the amount reached 0 1601 * Return value: 'op' if something is left, NULL if the amount reached 0
1548 */ 1602 */
1603bool
1604object::decrease (sint32 nr)
1605{
1606 if (!nr)
1607 return true;
1608
1609 nr = min (nr, nrof);
1610
1611 if (nrof > nr)
1612 {
1613 nrof -= nr;
1614 adjust_weight (env, -weight * max (1, nr)); // carrying == 0
1615
1616 if (object *pl = visible_to ())
1617 esrv_update_item (UPD_NROF, pl, this);
1618
1619 return true;
1620 }
1621 else
1622 {
1623 destroy ();
1624 return false;
1625 }
1626}
1627
1628/*
1629 * split(ob,nr) splits up ob into two parts. The part which
1630 * is returned contains nr objects, and the remaining parts contains
1631 * the rest (or is removed and returned if that number is 0).
1632 * On failure, NULL is returned.
1633 */
1549object * 1634object *
1550decrease_ob_nr (object *op, uint32 i) 1635object::split (sint32 nr)
1551{ 1636{
1552 object *tmp; 1637 int have = number_of ();
1553 1638
1554 if (i == 0) /* objects with op->nrof require this check */ 1639 if (have < nr)
1555 return op; 1640 return 0;
1556 1641 else if (have == nr)
1557 if (i > op->nrof)
1558 i = op->nrof;
1559
1560 if (QUERY_FLAG (op, FLAG_REMOVED))
1561 op->nrof -= i;
1562 else if (op->env)
1563 { 1642 {
1564 /* is this object in the players inventory, or sub container
1565 * therein?
1566 */
1567 tmp = op->in_player ();
1568 /* nope. Is this a container the player has opened?
1569 * If so, set tmp to that player.
1570 * IMO, searching through all the players will mostly
1571 * likely be quicker than following op->env to the map,
1572 * and then searching the map for a player.
1573 */
1574 if (!tmp)
1575 for_all_players (pl)
1576 if (pl->ob->container == op->env)
1577 {
1578 tmp = pl->ob;
1579 break;
1580 }
1581
1582 if (i < op->nrof)
1583 {
1584 sub_weight (op->env, op->weight * i);
1585 op->nrof -= i;
1586 if (tmp)
1587 esrv_send_item (tmp, op);
1588 }
1589 else
1590 {
1591 op->remove (); 1643 remove ();
1592 op->nrof = 0; 1644 return this;
1593 if (tmp)
1594 esrv_del_item (tmp->contr, op->count);
1595 }
1596 } 1645 }
1597 else 1646 else
1598 { 1647 {
1599 object *above = op->above; 1648 decrease (nr);
1600 1649
1601 if (i < op->nrof) 1650 object *op = deep_clone ();
1602 op->nrof -= i; 1651 op->nrof = nr;
1603 else
1604 {
1605 op->remove ();
1606 op->nrof = 0;
1607 }
1608
1609 /* Since we just removed op, op->above is null */
1610 for (tmp = above; tmp; tmp = tmp->above)
1611 if (tmp->type == PLAYER)
1612 {
1613 if (op->nrof)
1614 esrv_send_item (tmp, op);
1615 else
1616 esrv_del_item (tmp->contr, op->count);
1617 }
1618 }
1619
1620 if (op->nrof)
1621 return op; 1652 return op;
1622 else
1623 {
1624 op->destroy ();
1625 return 0;
1626 }
1627}
1628
1629/*
1630 * add_weight(object, weight) adds the specified weight to an object,
1631 * and also updates how much the environment(s) is/are carrying.
1632 */
1633void
1634add_weight (object *op, signed long weight)
1635{
1636 while (op != NULL)
1637 {
1638 if (op->type == CONTAINER)
1639 weight = (signed long) (weight * (100 - op->stats.Str) / 100);
1640
1641 op->carrying += weight;
1642 op = op->env;
1643 } 1653 }
1644} 1654}
1645 1655
1646object * 1656object *
1647insert_ob_in_ob (object *op, object *where) 1657insert_ob_in_ob (object *op, object *where)
1652 LOG (llevError, "Trying to put object in NULL.\n%s\n", dump); 1662 LOG (llevError, "Trying to put object in NULL.\n%s\n", dump);
1653 free (dump); 1663 free (dump);
1654 return op; 1664 return op;
1655 } 1665 }
1656 1666
1657 if (where->head) 1667 if (where->head_ () != where)
1658 { 1668 {
1659 LOG (llevDebug, "Warning: Tried to insert object into wrong part of multipart object.\n"); 1669 LOG (llevError | logBacktrace, "Warning: Tried to insert object into wrong part of multipart object.\n");
1660 where = where->head; 1670 where = where->head;
1661 } 1671 }
1662 1672
1663 return where->insert (op); 1673 return where->insert (op);
1664} 1674}
1672 * be != op, if items are merged. -Tero 1682 * be != op, if items are merged. -Tero
1673 */ 1683 */
1674object * 1684object *
1675object::insert (object *op) 1685object::insert (object *op)
1676{ 1686{
1677 object *tmp, *otmp;
1678
1679 if (!QUERY_FLAG (op, FLAG_REMOVED))
1680 op->remove ();
1681
1682 if (op->more) 1687 if (op->more)
1683 { 1688 {
1684 LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count); 1689 LOG (llevError, "Tried to insert multipart object %s (%d)\n", &op->name, op->count);
1685 return op; 1690 return op;
1686 } 1691 }
1687 1692
1688 CLEAR_FLAG (op, FLAG_OBJ_ORIGINAL); 1693 op->remove ();
1689 CLEAR_FLAG (op, FLAG_REMOVED); 1694
1695 op->flag [FLAG_OBJ_ORIGINAL] = 0;
1696
1690 if (op->nrof) 1697 if (op->nrof)
1691 {
1692 for (tmp = inv; tmp != NULL; tmp = tmp->below) 1698 for (object *tmp = inv; tmp; tmp = tmp->below)
1693 if (object::can_merge (tmp, op)) 1699 if (object::can_merge (tmp, op))
1694 { 1700 {
1695 /* return the original object and remove inserted object 1701 /* return the original object and remove inserted object
1696 (client needs the original object) */ 1702 (client needs the original object) */
1697 tmp->nrof += op->nrof; 1703 tmp->nrof += op->nrof;
1698 /* Weight handling gets pretty funky. Since we are adding to 1704
1699 * tmp->nrof, we need to increase the weight. 1705 if (object *pl = tmp->visible_to ())
1700 */ 1706 esrv_update_item (UPD_NROF, pl, tmp);
1707
1701 add_weight (this, op->weight * op->nrof); 1708 adjust_weight (this, op->total_weight ());
1702 SET_FLAG (op, FLAG_REMOVED); 1709
1703 op->destroy (); /* free the inserted object */ 1710 op->destroy ();
1704 op = tmp; 1711 op = tmp;
1705 op->remove (); /* and fix old object's links */ 1712 goto inserted;
1706 CLEAR_FLAG (op, FLAG_REMOVED);
1707 break;
1708 } 1713 }
1709 1714
1710 /* I assume combined objects have no inventory 1715 op->owner = 0; // it's his/hers now. period.
1711 * We add the weight - this object could have just been removed
1712 * (if it was possible to merge). calling remove_ob will subtract
1713 * the weight, so we need to add it in again, since we actually do
1714 * the linking below
1715 */
1716 add_weight (this, op->weight * op->nrof);
1717 }
1718 else
1719 add_weight (this, (op->weight + op->carrying));
1720
1721 otmp = this->in_player ();
1722 if (otmp && otmp->contr)
1723 if (!QUERY_FLAG (otmp, FLAG_NO_FIX_PLAYER))
1724 otmp->update_stats ();
1725
1726 op->map = 0; 1716 op->map = 0;
1727 op->env = this; 1717 op->x = 0;
1718 op->y = 0;
1719
1728 op->above = 0; 1720 op->above = 0;
1729 op->below = 0; 1721 op->below = inv;
1730 op->x = 0, op->y = 0; 1722 op->env = this;
1731 1723
1724 if (inv)
1725 inv->above = op;
1726
1727 inv = op;
1728
1729 op->flag [FLAG_REMOVED] = 0;
1730
1731 if (object *pl = op->visible_to ())
1732 esrv_send_item (pl, op);
1733
1734 adjust_weight (this, op->total_weight ());
1735
1736inserted:
1732 /* reset the light list and los of the players on the map */ 1737 /* reset the light list and los of the players on the map */
1733 if ((op->glow_radius != 0) && map) 1738 if (op->glow_radius && is_on_map ())
1734 { 1739 {
1735#ifdef DEBUG_LIGHTS 1740 update_stats ();
1736 LOG (llevDebug, " insert_ob_in_ob(): got %s to insert in map/op\n", op->name);
1737#endif /* DEBUG_LIGHTS */
1738 if (map->darkness)
1739 update_all_los (map, x, y); 1741 update_all_los (map, x, y);
1740 }
1741
1742 /* Client has no idea of ordering so lets not bother ordering it here.
1743 * It sure simplifies this function...
1744 */
1745 if (!inv)
1746 inv = op;
1747 else
1748 { 1742 }
1749 op->below = inv; 1743 else if (is_player () && !flag [FLAG_NO_FIX_PLAYER])
1750 op->below->above = op; 1744 // if this is a player's inventory, update stats
1751 inv = op; 1745 update_stats ();
1752 }
1753 1746
1754 INVOKE_OBJECT (INSERT, this); 1747 INVOKE_OBJECT (INSERT, this);
1755 1748
1756 return op; 1749 return op;
1757} 1750}
1777 * on top. 1770 * on top.
1778 */ 1771 */
1779int 1772int
1780check_move_on (object *op, object *originator) 1773check_move_on (object *op, object *originator)
1781{ 1774{
1775 if (QUERY_FLAG (op, FLAG_NO_APPLY))
1776 return 0;
1777
1782 object *tmp; 1778 object *tmp;
1783 maptile *m = op->map; 1779 maptile *m = op->map;
1784 int x = op->x, y = op->y; 1780 int x = op->x, y = op->y;
1785 1781
1786 MoveType move_on, move_slow, move_block; 1782 mapspace &ms = m->at (x, y);
1787 1783
1788 if (QUERY_FLAG (op, FLAG_NO_APPLY)) 1784 ms.update ();
1789 return 0;
1790 1785
1791 move_on = GET_MAP_MOVE_ON (op->map, op->x, op->y); 1786 MoveType move_on = ms.move_on;
1792 move_slow = GET_MAP_MOVE_SLOW (op->map, op->x, op->y); 1787 MoveType move_slow = ms.move_slow;
1793 move_block = GET_MAP_MOVE_BLOCK (op->map, op->x, op->y); 1788 MoveType move_block = ms.move_block;
1794 1789
1795 /* if nothing on this space will slow op down or be applied, 1790 /* if nothing on this space will slow op down or be applied,
1796 * no need to do checking below. have to make sure move_type 1791 * no need to do checking below. have to make sure move_type
1797 * is set, as lots of objects don't have it set - we treat that 1792 * is set, as lots of objects don't have it set - we treat that
1798 * as walking. 1793 * as walking.
1809 return 0; 1804 return 0;
1810 1805
1811 /* The objects have to be checked from top to bottom. 1806 /* The objects have to be checked from top to bottom.
1812 * Hence, we first go to the top: 1807 * Hence, we first go to the top:
1813 */ 1808 */
1814 1809 for (object *next, *tmp = ms.top; tmp; tmp = next)
1815 for (tmp = op->ms ().bot; tmp && tmp->above; tmp = tmp->above)
1816 {
1817 /* Trim the search when we find the first other spell effect
1818 * this helps performance so that if a space has 50 spell objects,
1819 * we don't need to check all of them.
1820 */
1821 if ((tmp->move_type & MOVE_FLY_LOW) && QUERY_FLAG (tmp, FLAG_NO_PICK))
1822 break;
1823 } 1810 {
1811 next = tmp->below;
1824 1812
1825 for (; tmp; tmp = tmp->below)
1826 {
1827 if (tmp == op) 1813 if (tmp == op)
1828 continue; /* Can't apply yourself */ 1814 continue; /* Can't apply yourself */
1829 1815
1830 /* Check to see if one of the movement types should be slowed down. 1816 /* Check to see if one of the movement types should be slowed down.
1831 * Second check makes sure that the movement types not being slowed 1817 * Second check makes sure that the movement types not being slowed
1836 if (!QUERY_FLAG (op, FLAG_WIZPASS)) 1822 if (!QUERY_FLAG (op, FLAG_WIZPASS))
1837 { 1823 {
1838 if ((!op->move_type && tmp->move_slow & MOVE_WALK) || 1824 if ((!op->move_type && tmp->move_slow & MOVE_WALK) ||
1839 ((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0)) 1825 ((op->move_type & tmp->move_slow) && (op->move_type & ~tmp->move_slow & ~tmp->move_block) == 0))
1840 { 1826 {
1841
1842 float
1843 diff = tmp->move_slow_penalty * fabs (op->speed); 1827 float diff = tmp->move_slow_penalty * fabs (op->speed);
1844 1828
1845 if (op->type == PLAYER) 1829 if (op->is_player ())
1846 if ((QUERY_FLAG (tmp, FLAG_IS_HILLY) && find_skill_by_number (op, SK_CLIMBING)) || 1830 if ((tmp->flag [FLAG_IS_HILLY ] && find_skill_by_number (op, SK_CLIMBING)) ||
1847 (QUERY_FLAG (tmp, FLAG_IS_WOODED) && find_skill_by_number (op, SK_WOODSMAN))) 1831 (tmp->flag [FLAG_IS_WOODED] && find_skill_by_number (op, SK_WOODSMAN)))
1848 diff /= 4.0; 1832 diff /= 4.0;
1849 1833
1850 op->speed_left -= diff; 1834 op->speed_left -= diff;
1851 } 1835 }
1852 } 1836 }
1885 LOG (llevError, "Present_arch called outside map.\n"); 1869 LOG (llevError, "Present_arch called outside map.\n");
1886 return NULL; 1870 return NULL;
1887 } 1871 }
1888 1872
1889 for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above) 1873 for (object *tmp = m->at (x, y).bot; tmp; tmp = tmp->above)
1890 if (tmp->arch == at) 1874 if (tmp->arch->archname == at->archname)
1891 return tmp; 1875 return tmp;
1892 1876
1893 return NULL; 1877 return NULL;
1894} 1878}
1895 1879
1959 * The first matching object is returned, or NULL if none. 1943 * The first matching object is returned, or NULL if none.
1960 */ 1944 */
1961object * 1945object *
1962present_arch_in_ob (const archetype *at, const object *op) 1946present_arch_in_ob (const archetype *at, const object *op)
1963{ 1947{
1964 for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below) 1948 for (object *tmp = op->inv; tmp; tmp = tmp->below)
1965 if (tmp->arch == at) 1949 if (tmp->arch->archname == at->archname)
1966 return tmp; 1950 return tmp;
1967 1951
1968 return NULL; 1952 return NULL;
1969} 1953}
1970 1954
1972 * activate recursively a flag on an object inventory 1956 * activate recursively a flag on an object inventory
1973 */ 1957 */
1974void 1958void
1975flag_inv (object *op, int flag) 1959flag_inv (object *op, int flag)
1976{ 1960{
1977 if (op->inv)
1978 for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below) 1961 for (object *tmp = op->inv; tmp; tmp = tmp->below)
1979 { 1962 {
1980 SET_FLAG (tmp, flag); 1963 SET_FLAG (tmp, flag);
1981 flag_inv (tmp, flag); 1964 flag_inv (tmp, flag);
1982 } 1965 }
1983} 1966}
1984 1967
1985/* 1968/*
1986 * deactivate recursively a flag on an object inventory 1969 * deactivate recursively a flag on an object inventory
1987 */ 1970 */
1988void 1971void
1989unflag_inv (object *op, int flag) 1972unflag_inv (object *op, int flag)
1990{ 1973{
1991 if (op->inv)
1992 for (object *tmp = op->inv; tmp != NULL; tmp = tmp->below) 1974 for (object *tmp = op->inv; tmp; tmp = tmp->below)
1993 { 1975 {
1994 CLEAR_FLAG (tmp, flag); 1976 CLEAR_FLAG (tmp, flag);
1995 unflag_inv (tmp, flag); 1977 unflag_inv (tmp, flag);
1996 } 1978 }
1997}
1998
1999/*
2000 * set_cheat(object) sets the cheat flag (WAS_WIZ) in the object and in
2001 * all it's inventory (recursively).
2002 * If checksums are used, a player will get set_cheat called for
2003 * him/her-self and all object carried by a call to this function.
2004 */
2005void
2006set_cheat (object *op)
2007{
2008 SET_FLAG (op, FLAG_WAS_WIZ);
2009 flag_inv (op, FLAG_WAS_WIZ);
2010} 1979}
2011 1980
2012/* 1981/*
2013 * find_free_spot(object, map, x, y, start, stop) will search for 1982 * find_free_spot(object, map, x, y, start, stop) will search for
2014 * a spot at the given map and coordinates which will be able to contain 1983 * a spot at the given map and coordinates which will be able to contain
2016 * to search (see the freearr_x/y[] definition). 1985 * to search (see the freearr_x/y[] definition).
2017 * It returns a random choice among the alternatives found. 1986 * It returns a random choice among the alternatives found.
2018 * start and stop are where to start relative to the free_arr array (1,9 1987 * start and stop are where to start relative to the free_arr array (1,9
2019 * does all 4 immediate directions). This returns the index into the 1988 * does all 4 immediate directions). This returns the index into the
2020 * array of the free spot, -1 if no spot available (dir 0 = x,y) 1989 * array of the free spot, -1 if no spot available (dir 0 = x,y)
2021 * Note - this only checks to see if there is space for the head of the
2022 * object - if it is a multispace object, this should be called for all
2023 * pieces.
2024 * Note2: This function does correctly handle tiled maps, but does not 1990 * Note: This function does correctly handle tiled maps, but does not
2025 * inform the caller. However, insert_ob_in_map will update as 1991 * inform the caller. However, insert_ob_in_map will update as
2026 * necessary, so the caller shouldn't need to do any special work. 1992 * necessary, so the caller shouldn't need to do any special work.
2027 * Note - updated to take an object instead of archetype - this is necessary 1993 * Note - updated to take an object instead of archetype - this is necessary
2028 * because arch_blocked (now ob_blocked) needs to know the movement type 1994 * because arch_blocked (now ob_blocked) needs to know the movement type
2029 * to know if the space in question will block the object. We can't use 1995 * to know if the space in question will block the object. We can't use
2031 * customized, changed states, etc. 1997 * customized, changed states, etc.
2032 */ 1998 */
2033int 1999int
2034find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop) 2000find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop)
2035{ 2001{
2002 int altern[SIZEOFFREE];
2036 int index = 0, flag; 2003 int index = 0, flag;
2037 int altern[SIZEOFFREE];
2038 2004
2039 for (int i = start; i < stop; i++) 2005 for (int i = start; i < stop; i++)
2040 { 2006 {
2041 flag = ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i]); 2007 mapxy pos (m, x, y); pos.move (i);
2042 if (!flag) 2008
2009 if (!pos.normalise ())
2010 continue;
2011
2012 mapspace &ms = *pos;
2013
2014 if (ms.flags () & P_IS_ALIVE)
2015 continue;
2016
2017 /* However, often
2018 * ob doesn't have any move type (when used to place exits)
2019 * so the AND operation in OB_TYPE_MOVE_BLOCK doesn't work.
2020 */
2021 if (ob && ob->move_type == 0 && ms.move_block != MOVE_ALL)
2022 {
2043 altern [index++] = i; 2023 altern [index++] = i;
2024 continue;
2025 }
2044 2026
2045 /* Basically, if we find a wall on a space, we cut down the search size. 2027 /* Basically, if we find a wall on a space, we cut down the search size.
2046 * In this way, we won't return spaces that are on another side of a wall. 2028 * In this way, we won't return spaces that are on another side of a wall.
2047 * This mostly work, but it cuts down the search size in all directions - 2029 * This mostly work, but it cuts down the search size in all directions -
2048 * if the space being examined only has a wall to the north and empty 2030 * if the space being examined only has a wall to the north and empty
2049 * spaces in all the other directions, this will reduce the search space 2031 * spaces in all the other directions, this will reduce the search space
2050 * to only the spaces immediately surrounding the target area, and 2032 * to only the spaces immediately surrounding the target area, and
2051 * won't look 2 spaces south of the target space. 2033 * won't look 2 spaces south of the target space.
2052 */ 2034 */
2053 else if ((flag & P_NO_PASS) && maxfree[i] < stop) 2035 if (ms.move_block == MOVE_ALL && maxfree[i] < stop)
2036 {
2054 stop = maxfree[i]; 2037 stop = maxfree[i];
2038 continue;
2039 }
2040
2041 /* Note it is intentional that we check ob - the movement type of the
2042 * head of the object should correspond for the entire object.
2043 */
2044 if (OB_TYPE_MOVE_BLOCK (ob, ms.move_block))
2045 continue;
2046
2047 if (ob->blocked (pos.m, pos.x, pos.y))
2048 continue;
2049
2050 altern [index++] = i;
2055 } 2051 }
2056 2052
2057 if (!index) 2053 if (!index)
2058 return -1; 2054 return -1;
2059 2055
2068 */ 2064 */
2069int 2065int
2070find_first_free_spot (const object *ob, maptile *m, int x, int y) 2066find_first_free_spot (const object *ob, maptile *m, int x, int y)
2071{ 2067{
2072 for (int i = 0; i < SIZEOFFREE; i++) 2068 for (int i = 0; i < SIZEOFFREE; i++)
2073 if (!ob_blocked (ob, m, x + freearr_x[i], y + freearr_y[i])) 2069 if (!ob->blocked (m, x + freearr_x[i], y + freearr_y[i]))
2074 return i; 2070 return i;
2075 2071
2076 return -1; 2072 return -1;
2077} 2073}
2078 2074
2124 * there is capable of. 2120 * there is capable of.
2125 */ 2121 */
2126int 2122int
2127find_dir (maptile *m, int x, int y, object *exclude) 2123find_dir (maptile *m, int x, int y, object *exclude)
2128{ 2124{
2129 int i, max = SIZEOFFREE, mflags; 2125 int max = SIZEOFFREE, mflags;
2130
2131 sint16 nx, ny;
2132 object *tmp;
2133 maptile *mp;
2134
2135 MoveType blocked, move_type; 2126 MoveType move_type;
2136 2127
2137 if (exclude && exclude->head) 2128 if (exclude && exclude->head_ () != exclude)
2138 { 2129 {
2139 exclude = exclude->head; 2130 exclude = exclude->head;
2140 move_type = exclude->move_type; 2131 move_type = exclude->move_type;
2141 } 2132 }
2142 else 2133 else
2143 { 2134 {
2144 /* If we don't have anything, presume it can use all movement types. */ 2135 /* If we don't have anything, presume it can use all movement types. */
2145 move_type = MOVE_ALL; 2136 move_type = MOVE_ALL;
2146 } 2137 }
2147 2138
2148 for (i = 1; i < max; i++) 2139 for (int i = 1; i < max; i++)
2149 { 2140 {
2150 mp = m; 2141 mapxy pos (m, x, y);
2151 nx = x + freearr_x[i]; 2142 pos.move (i);
2152 ny = y + freearr_y[i];
2153 2143
2154 mflags = get_map_flags (m, &mp, nx, ny, &nx, &ny); 2144 if (!pos.normalise ())
2155
2156 if (mflags & P_OUT_OF_MAP)
2157 max = maxfree[i]; 2145 max = maxfree[i];
2158 else 2146 else
2159 { 2147 {
2160 mapspace &ms = mp->at (nx, ny); 2148 mapspace &ms = *pos;
2161 2149
2162 blocked = ms.move_block;
2163
2164 if ((move_type & blocked) == move_type) 2150 if ((move_type & ms.move_block) == move_type)
2165 max = maxfree[i]; 2151 max = maxfree [i];
2166 else if (mflags & P_IS_ALIVE) 2152 else if (ms.flags () & P_IS_ALIVE)
2167 { 2153 {
2168 for (tmp = ms.bot; tmp; tmp = tmp->above) 2154 for (object *tmp = ms.bot; tmp; tmp = tmp->above)
2169 if ((tmp->flag [FLAG_MONSTER] || tmp->type == PLAYER) 2155 if ((tmp->flag [FLAG_MONSTER] || tmp->is_player ())
2170 && (tmp != exclude || (tmp->head && tmp->head != exclude))) 2156 && (tmp != exclude || (tmp->head_ () != tmp && tmp->head_ () != exclude)))
2171 break;
2172
2173 if (tmp)
2174 return freedir[i]; 2157 return freedir [i];
2175 } 2158 }
2176 } 2159 }
2177 } 2160 }
2178 2161
2179 return 0; 2162 return 0;
2254 * This basically means that if direction is 15, then it could either go 2237 * This basically means that if direction is 15, then it could either go
2255 * direction 4, 14, or 16 to get back to where we are. 2238 * direction 4, 14, or 16 to get back to where we are.
2256 * Moved from spell_util.c to object.c with the other related direction 2239 * Moved from spell_util.c to object.c with the other related direction
2257 * functions. 2240 * functions.
2258 */ 2241 */
2259int reduction_dir[SIZEOFFREE][3] = { 2242static const int reduction_dir[SIZEOFFREE][3] = {
2260 {0, 0, 0}, /* 0 */ 2243 {0, 0, 0}, /* 0 */
2261 {0, 0, 0}, /* 1 */ 2244 {0, 0, 0}, /* 1 */
2262 {0, 0, 0}, /* 2 */ 2245 {0, 0, 0}, /* 2 */
2263 {0, 0, 0}, /* 3 */ 2246 {0, 0, 0}, /* 3 */
2264 {0, 0, 0}, /* 4 */ 2247 {0, 0, 0}, /* 4 */
2355 * Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause 2338 * Cf 0.91.3 - don't let WIZ's pick up anything - will likely cause
2356 * core dumps if they do. 2339 * core dumps if they do.
2357 * 2340 *
2358 * Add a check so we can't pick up invisible objects (0.93.8) 2341 * Add a check so we can't pick up invisible objects (0.93.8)
2359 */ 2342 */
2360
2361int 2343int
2362can_pick (const object *who, const object *item) 2344can_pick (const object *who, const object *item)
2363{ 2345{
2364 return /*QUERY_FLAG(who,FLAG_WIZ)|| */ 2346 return /*QUERY_FLAG(who,FLAG_WIZ)|| */
2365 (item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) && 2347 (item->weight > 0 && !QUERY_FLAG (item, FLAG_NO_PICK) &&
2366 !QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->type == PLAYER || item->weight < who->weight / 3)); 2348 !QUERY_FLAG (item, FLAG_ALIVE) && !item->invisible && (who->is_player () || item->weight < who->weight / 3));
2367} 2349}
2368 2350
2369/* 2351/*
2370 * create clone from object to another 2352 * create clone from object to another
2371 */ 2353 */
2372object * 2354object *
2373object_create_clone (object *asrc) 2355object::deep_clone ()
2374{ 2356{
2375 object *dst = 0, *tmp, *src, *part, *prev, *item; 2357 assert (("deep_clone called on non-head object", is_head ()));
2376 2358
2377 if (!asrc) 2359 object *dst = clone ();
2378 return 0;
2379 2360
2380 src = asrc; 2361 object *prev = dst;
2381 if (src->head)
2382 src = src->head;
2383
2384 prev = 0;
2385 for (part = src; part; part = part->more) 2362 for (object *part = this->more; part; part = part->more)
2386 { 2363 {
2387 tmp = part->clone (); 2364 object *tmp = part->clone ();
2388 tmp->x -= src->x;
2389 tmp->y -= src->y;
2390
2391 if (!part->head)
2392 {
2393 dst = tmp;
2394 tmp->head = 0;
2395 }
2396 else
2397 tmp->head = dst; 2365 tmp->head = dst;
2398
2399 tmp->more = 0;
2400
2401 if (prev)
2402 prev->more = tmp; 2366 prev->more = tmp;
2403
2404 prev = tmp; 2367 prev = tmp;
2405 } 2368 }
2406 2369
2407 for (item = src->inv; item; item = item->below) 2370 for (object *item = inv; item; item = item->below)
2408 insert_ob_in_ob (object_create_clone (item), dst); 2371 insert_ob_in_ob (item->deep_clone (), dst);
2409 2372
2410 return dst; 2373 return dst;
2411} 2374}
2412 2375
2413/* This returns the first object in who's inventory that 2376/* This returns the first object in who's inventory that
2422 return tmp; 2385 return tmp;
2423 2386
2424 return 0; 2387 return 0;
2425} 2388}
2426 2389
2427/* If ob has a field named key, return the link from the list, 2390shstr_tmp
2428 * otherwise return NULL. 2391object::kv_get (shstr_tmp key) const
2429 *
2430 * key must be a passed in shared string - otherwise, this won't
2431 * do the desired thing.
2432 */
2433key_value *
2434get_ob_key_link (const object *ob, const char *key)
2435{ 2392{
2436 for (key_value *link = ob->key_values; link; link = link->next) 2393 for (key_value *kv = key_values; kv; kv = kv->next)
2437 if (link->key == key) 2394 if (kv->key == key)
2438 return link;
2439
2440 return 0;
2441}
2442
2443/*
2444 * Returns the value of op has an extra_field for key, or NULL.
2445 *
2446 * The argument doesn't need to be a shared string.
2447 *
2448 * The returned string is shared.
2449 */
2450const char *
2451get_ob_key_value (const object *op, const char *const key)
2452{
2453 key_value *link;
2454 shstr_cmp canonical_key (key);
2455
2456 if (!canonical_key)
2457 {
2458 /* 1. There being a field named key on any object
2459 * implies there'd be a shared string to find.
2460 * 2. Since there isn't, no object has this field.
2461 * 3. Therefore, *this* object doesn't have this field.
2462 */
2463 return 0;
2464 }
2465
2466 /* This is copied from get_ob_key_link() above -
2467 * only 4 lines, and saves the function call overhead.
2468 */
2469 for (link = op->key_values; link; link = link->next)
2470 if (link->key == canonical_key)
2471 return link->value; 2395 return kv->value;
2472 2396
2473 return 0; 2397 return shstr ();
2474} 2398}
2475 2399
2476/* 2400void
2477 * Updates the canonical_key in op to value. 2401object::kv_set (shstr_tmp key, shstr_tmp value)
2478 *
2479 * canonical_key is a shared string (value doesn't have to be).
2480 *
2481 * Unless add_key is TRUE, it won't add fields, only change the value of existing
2482 * keys.
2483 *
2484 * Returns TRUE on success.
2485 */
2486int
2487set_ob_key_value_s (object *op, const shstr & canonical_key, const char *value, int add_key)
2488{ 2402{
2489 key_value *field = NULL, *last = NULL; 2403 for (key_value *kv = key_values; kv; kv = kv->next)
2490 2404 if (kv->key == key)
2491 for (field = op->key_values; field != NULL; field = field->next)
2492 {
2493 if (field->key != canonical_key)
2494 { 2405 {
2495 last = field; 2406 kv->value = value;
2496 continue; 2407 return;
2497 } 2408 }
2498 2409
2499 if (value) 2410 key_value *kv = new key_value;
2500 field->value = value; 2411
2501 else 2412 kv->next = key_values;
2413 kv->key = key;
2414 kv->value = value;
2415
2416 key_values = kv;
2417}
2418
2419void
2420object::kv_del (shstr_tmp key)
2421{
2422 for (key_value **kvp = &key_values; *kvp; kvp = &(*kvp)->next)
2423 if ((*kvp)->key == key)
2502 { 2424 {
2503 /* Basically, if the archetype has this key set, 2425 key_value *kv = *kvp;
2504 * we need to store the null value so when we save 2426 *kvp = (*kvp)->next;
2505 * it, we save the empty value so that when we load, 2427 delete kv;
2506 * we get this value back again. 2428 return;
2507 */
2508 if (get_ob_key_link (&op->arch->clone, canonical_key))
2509 field->value = 0;
2510 else
2511 {
2512 if (last)
2513 last->next = field->next;
2514 else
2515 op->key_values = field->next;
2516
2517 delete field;
2518 }
2519 } 2429 }
2520 return TRUE;
2521 }
2522 /* IF we get here, key doesn't exist */
2523
2524 /* No field, we'll have to add it. */
2525
2526 if (!add_key)
2527 return FALSE;
2528
2529 /* There isn't any good reason to store a null
2530 * value in the key/value list. If the archetype has
2531 * this key, then we should also have it, so shouldn't
2532 * be here. If user wants to store empty strings,
2533 * should pass in ""
2534 */
2535 if (value == NULL)
2536 return TRUE;
2537
2538 field = new key_value;
2539
2540 field->key = canonical_key;
2541 field->value = value;
2542 /* Usual prepend-addition. */
2543 field->next = op->key_values;
2544 op->key_values = field;
2545
2546 return TRUE;
2547}
2548
2549/*
2550 * Updates the key in op to value.
2551 *
2552 * If add_key is FALSE, this will only update existing keys,
2553 * and not add new ones.
2554 * In general, should be little reason FALSE is ever passed in for add_key
2555 *
2556 * Returns TRUE on success.
2557 */
2558int
2559set_ob_key_value (object *op, const char *key, const char *value, int add_key)
2560{
2561 shstr key_ (key);
2562
2563 return set_ob_key_value_s (op, key_, value, add_key);
2564} 2430}
2565 2431
2566object::depth_iterator::depth_iterator (object *container) 2432object::depth_iterator::depth_iterator (object *container)
2567: iterator_base (container) 2433: iterator_base (container)
2568{ 2434{
2581 item = item->inv; 2447 item = item->inv;
2582 } 2448 }
2583 else 2449 else
2584 item = item->env; 2450 item = item->env;
2585} 2451}
2586
2587 2452
2588const char * 2453const char *
2589object::flag_desc (char *desc, int len) const 2454object::flag_desc (char *desc, int len) const
2590{ 2455{
2591 char *p = desc; 2456 char *p = desc;
2619{ 2484{
2620 char flagdesc[512]; 2485 char flagdesc[512];
2621 char info2[256 * 4]; 2486 char info2[256 * 4];
2622 char *p = info; 2487 char *p = info;
2623 2488
2624 p += snprintf (p, 512, "{cnt:%d,uuid:<1.%" PRIx64 ">,name:\"%s\"%s%s,flags:[%s],type:%d}", 2489 p += snprintf (p, 512, "{cnt:%d,uuid:%s,name:\"%s\"%s%s%s,flags:[%s],type:%d}",
2625 count, uuid.seq, 2490 count,
2491 uuid.c_str (),
2626 &name, 2492 &name,
2627 title ? "\",title:\"" : "", 2493 title ? ",title:\"" : "",
2628 title ? (const char *)title : "", 2494 title ? (const char *)title : "",
2495 title ? "\"" : "",
2629 flag_desc (flagdesc, 512), type); 2496 flag_desc (flagdesc, 512), type);
2630 2497
2631 if (env) 2498 if (!flag[FLAG_REMOVED] && env)
2632 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2)); 2499 p += snprintf (p, 256, "(in %s)", env->debug_desc (info2));
2633 2500
2634 if (map) 2501 if (map)
2635 p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y); 2502 p += snprintf (p, 256, "(on %s@%d+%d)", &map->path, x, y);
2636 2503
2651{ 2518{
2652 return map ? map->region (x, y) 2519 return map ? map->region (x, y)
2653 : region::default_region (); 2520 : region::default_region ();
2654} 2521}
2655 2522
2656const materialtype_t *
2657object::dominant_material () const
2658{
2659 if (materialtype_t *mat = name_to_material (materialname))
2660 return mat;
2661
2662 // omfg this is slow, this has to be temporary :)
2663 shstr unknown ("unknown");
2664
2665 return name_to_material (unknown);
2666}
2667
2668void 2523void
2669object::open_container (object *new_container) 2524object::open_container (object *new_container)
2670{ 2525{
2671 if (container == new_container) 2526 if (container == new_container)
2672 return; 2527 return;
2673 2528
2674 if (object *old_container = container) 2529 object *old_container = container;
2530
2531 if (old_container)
2675 { 2532 {
2676 if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this))) 2533 if (INVOKE_OBJECT (CLOSE, old_container, ARG_OBJECT (this)))
2677 return; 2534 return;
2678 2535
2679#if 0 2536#if 0
2681 if (object *closer = old_container->inv) 2538 if (object *closer = old_container->inv)
2682 if (closer->type == CLOSE_CON) 2539 if (closer->type == CLOSE_CON)
2683 closer->destroy (); 2540 closer->destroy ();
2684#endif 2541#endif
2685 2542
2543 // make sure the container is available
2544 esrv_send_item (this, old_container);
2545
2686 old_container->flag [FLAG_APPLIED] = 0; 2546 old_container->flag [FLAG_APPLIED] = false;
2687 container = 0; 2547 container = 0;
2688 2548
2549 // client needs item update to make it work, client bug requires this to be separate
2689 esrv_update_item (UPD_FLAGS, this, old_container); 2550 esrv_update_item (UPD_FLAGS, this, old_container);
2551
2690 new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", query_name (old_container)); 2552 new_draw_info_format (NDI_UNIQUE, 0, this, "You close %s.", old_container->query_name ());
2553 play_sound (sound_find ("chest_close"));
2691 } 2554 }
2692 2555
2693 if (new_container) 2556 if (new_container)
2694 { 2557 {
2695 if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this))) 2558 if (INVOKE_OBJECT (OPEN, new_container, ARG_OBJECT (this)))
2704 closer->flag [FLAG_NO_MAP_SAVE] = 1; 2567 closer->flag [FLAG_NO_MAP_SAVE] = 1;
2705 new_container->insert (closer); 2568 new_container->insert (closer);
2706 } 2569 }
2707#endif 2570#endif
2708 2571
2709 new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", query_name (new_container)); 2572 new_draw_info_format (NDI_UNIQUE, 0, this, "You open %s.", new_container->query_name ());
2710 2573
2574 // make sure the container is available, client bug requires this to be separate
2575 esrv_send_item (this, new_container);
2576
2711 new_container->flag [FLAG_APPLIED] = 1; 2577 new_container->flag [FLAG_APPLIED] = true;
2712 container = new_container; 2578 container = new_container;
2713 2579
2580 // client needs flag change
2714 esrv_update_item (UPD_FLAGS, this, new_container); 2581 esrv_update_item (UPD_FLAGS, this, new_container);
2715 esrv_send_inventory (this, new_container); 2582 esrv_send_inventory (this, new_container);
2583 play_sound (sound_find ("chest_open"));
2584 }
2585// else if (!old_container->env && contr && contr->ns)
2586// contr->ns->floorbox_reset ();
2587}
2588
2589object *
2590object::force_find (shstr_tmp name)
2591{
2592 /* cycle through his inventory to look for the MARK we want to
2593 * place
2594 */
2595 for (object *tmp = inv; tmp; tmp = tmp->below)
2596 if (tmp->type == FORCE && tmp->slaying == name)
2597 return splay (tmp);
2598
2599 return 0;
2600}
2601
2602//-GPL
2603
2604void
2605object::force_set_timer (int duration)
2606{
2607 this->duration = 1;
2608 this->speed_left = -1.f;
2609
2610 this->set_speed (duration ? 1.f / duration : 0.f);
2611}
2612
2613object *
2614object::force_add (shstr_tmp name, int duration)
2615{
2616 if (object *force = force_find (name))
2617 force->destroy ();
2618
2619 object *force = get_archetype (FORCE_NAME);
2620
2621 force->slaying = name;
2622 force->force_set_timer (duration);
2623 force->flag [FLAG_APPLIED] = true;
2624
2625 return insert (force);
2626}
2627
2628void
2629object::play_sound (faceidx sound) const
2630{
2631 if (!sound)
2632 return;
2633
2634 if (is_on_map ())
2635 map->play_sound (sound, x, y);
2636 else if (object *pl = in_player ())
2637 pl->contr->play_sound (sound);
2638}
2639
2640void
2641object::say_msg (const char *msg) const
2642{
2643 if (is_on_map ())
2644 map->say_msg (msg, x, y);
2645 else if (object *pl = in_player ())
2646 pl->contr->play_sound (sound);
2647}
2648
2649void
2650object::make_noise ()
2651{
2652 // we do not model noise in the map, so instead put
2653 // a temporary light into the noise source
2654 // could use the map instead, but that's less reliable for our
2655 // goal, which is to make invisibility a bit harder to exploit
2656
2657 // currently only works sensibly for players
2658 if (!is_player ())
2659 return;
2660
2661 // find old force, or create new one
2662 object *force = force_find (shstr_noise_force);
2663
2664 if (force)
2665 force->speed_left = -1.f; // patch old speed up
2666 else
2716 } 2667 {
2717} 2668 force = archetype::get (shstr_noise_force);
2718 2669
2670 force->slaying = shstr_noise_force;
2671 force->stats.food = 1;
2672 force->speed_left = -1.f;
2719 2673
2674 force->set_speed (1.f / 4.f);
2675 force->flag [FLAG_IS_USED_UP] = true;
2676 force->flag [FLAG_APPLIED] = true;
2677
2678 insert (force);
2679 }
2680}
2681

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