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Comparing deliantra/server/server/apply.C (file contents):
Revision 1.207 by root, Thu Nov 5 16:09:51 2009 UTC vs.
Revision 1.278 by root, Thu Nov 17 04:49:22 2016 UTC

1/* 1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992 Frank Tore Johansen
7 * 7 *
8 * Deliantra is free software: you can redistribute it and/or modify it under 8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * the terms of the Affero GNU General Public License as published by the 9 * the terms of the Affero GNU General Public License as published by the
10 * Free Software Foundation, either version 3 of the License, or (at your 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * 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 Affero GNU General Public License 18 * You should have received a copy of the Affero GNU General Public License
19 * and the GNU General Public License along with this program. If not, see 19 * and the GNU General Public License along with this program. If not, see
20 * <http://www.gnu.org/licenses/>. 20 * <http://www.gnu.org/licenses/>.
21 * 21 *
22 * The authors can be reached via e-mail to <support@deliantra.net> 22 * The authors can be reached via e-mail to <support@deliantra.net>
23 */ 23 */
24 24
25#include <cmath> 25#include <cmath>
26 26
… …
30#include <skills.h> 30#include <skills.h>
31#include <tod.h> 31#include <tod.h>
32 32
33#include <sproto.h> 33#include <sproto.h>
34 34
35/* Want this regardless of rplay. */ 35// these must be in the inventory before they can be applied
36#include <sounds.h>
37 36
38/** 37static const struct apply_types_inv_only : typeset
39 * Check if op should abort moving victim because of it's race or slaying.
40 * Returns 1 if it should abort, returns 0 if it should continue.
41 */
42int
43should_director_abort (object *op, object *victim)
44{ 38{
45 int arch_flag, name_flag, race_flag; 39 apply_types_inv_only ()
46
47 /* Get flags to determine what of arch, name, and race should be checked.
48 * This is stored in subtype, and is a bitmask, the LSB is the arch flag,
49 * the next is the name flag, and the last is the race flag. Also note,
50 * if subtype is set to zero, that also goes to defaults of all affecting
51 * it. Examples:
52 * subtype 1: only arch
53 * subtype 3: arch or name
54 * subtype 5: arch or race
55 * subtype 7: all three
56 */
57 if (op->subtype)
58 { 40 {
59 arch_flag = op->subtype & 1; 41 set (WEAPON);
60 name_flag = op->subtype & 2; 42 set (ARMOUR);
61 race_flag = op->subtype & 4; 43 set (BOOTS);
44 set (GLOVES);
45 set (AMULET);
46 set (GIRDLE);
47 set (BRACERS);
48 set (SHIELD);
49 set (HELMET);
50 set (RING);
51 set (CLOAK);
52 set (WAND);
53 set (ROD);
54 set (HORN);
55 set (SKILL);
56 set (SPELL);
57 set (BOW);
58 set (RANGED);
59 set (BUILDER);
60 set (SKILL_TOOL);
62 } 61 }
63 else 62} apply_types_inv_only;
63
64// these only make sense for the player
65
66static const struct apply_types_player_only : typeset
67{
68 apply_types_player_only ()
64 { 69 {
65 arch_flag = 1; 70 set (TRANSPORT);
66 name_flag = 1; 71 set (EXIT);
67 race_flag = 1; 72 set (BOOK);
73 set (SIGN);
74 set (BOOK);
75 set (SKILLSCROLL);
76 set (SPELLBOOK);
77 set (INSCRIBABLE);
78 set (TREASURE);
79 set (SAVEBED);
80 set (ARMOUR_IMPROVER);
81 set (WEAPON_IMPROVER);
82 set (CLOCK);
83 set (MENU);
84 set (LIGHTER); /* for lighting torches/lanterns/etc */
68 } 85 }
86} apply_types_player_only;
69 87
70 /* If the director has race set, only affect objects with a arch, 88// applying these _can_ be attempted, others cannot
71 * name or race that matches. 89// be applied at all. used by e.g. apply below.
72 */
73 if ((op->race) &&
74 ((!(victim->arch && arch_flag && victim->arch->archname) || op->race != victim->arch->archname)) &&
75 ((!(victim->name && name_flag) || op->race != victim->name)) &&
76 ((!(victim->race && race_flag) || op->race != victim->race)))
77 return 1;
78 90
79 /* If the director has slaying set, only affect objects where none 91static const struct apply_types : typeset
80 * of arch, name, or race match.
81 */
82 if ((op->slaying) && (((victim->arch && arch_flag && victim->arch->archname && op->slaying == victim->arch->archname))) ||
83 ((victim->name && name_flag && op->slaying == victim->name)) ||
84 ((victim->race && race_flag && op->slaying == victim->race)))
85 return 1;
86
87 return 0;
88}
89
90/**
91 * This handles a player dropping money on an altar to identify stuff.
92 * It'll identify marked item, if none all items up to dropped money.
93 * Return value: 1 if money was destroyed, 0 if not.
94 */
95static int
96apply_id_altar (object *money, object *altar, object *pl)
97{ 92{
98 dynbuf_text &buf = msg_dynbuf; buf.clear (); 93 apply_types ()
99 94 : typeset ((typeset)apply_types_player_only | (typeset)apply_types_inv_only)
100 if (!pl || pl->type != PLAYER)
101 return 0;
102
103 /* Check for MONEY type is a special hack - it prevents 'nothing needs
104 * identifying' from being printed out more than it needs to be.
105 */
106 if (!check_altar_sacrifice (altar, money, pl) || money->type != MONEY)
107 return 0;
108
109 /* if the player has a marked item, identify that if it needs to be
110 * identified. If it doesn't, then go through the player inventory.
111 */
112 if (object *marked = find_marked_object (pl))
113 if (!QUERY_FLAG (marked, FLAG_IDENTIFIED) && need_identify (marked))
114 {
115 if (operate_altar (altar, &money, pl))
116 {
117 identify (marked);
118
119 buf.printf ("You have %s.\r", long_desc (marked, pl));
120 if (marked->msg)
121 buf << "The item has a story:\r" << marked->msg << "\n\n";
122
123 return !money;
124 }
125 }
126
127 for (object *id = pl->inv; id; id = id->below)
128 { 95 {
129 if (!QUERY_FLAG (id, FLAG_IDENTIFIED) && !id->invisible && need_identify (id)) 96 set (T_HANDLE);
130 { 97 set (TRIGGER);
131 if (operate_altar (altar, &money, pl)) 98 set (SCROLL);
132 { 99 set (POTION);
133 identify (id); 100 set (CLOSE_CON);
134 101 set (CONTAINER);
135 buf.printf ("You have %s.\r", long_desc (id, pl)); 102 set (LAMP);
136 if (id->msg) 103 set (TORCH);
137 buf << "The item has a story:\r" << id->msg << "\n\n"; 104 set (DRINK);
138 105 set (FOOD);
139 /* If no more money, might as well quit now */ 106 set (FLESH);
140 if (!money || !check_altar_sacrifice (altar, money)) 107 set (POISON);
141 break; 108 set (POWER_CRYSTAL);
142 } 109 set (ITEM_TRANSFORMER);
143 else
144 {
145 LOG (llevError, "check_id_altar: Couldn't do sacrifice when we should have been able to\n");
146 break;
147 }
148 }
149 } 110 }
150 111} apply_types;
151 if (buf.empty ())
152 pl->failmsg ("You have nothing that needs identifying");
153 else
154 pl->contr->infobox (MSG_CHANNEL ("identify"), buf);
155
156 return !money;
157}
158
159/**
160 * This checks whether the object has a "on_use_yield" field, and if so generated and drops
161 * matching item.
162 **/
163void
164handle_apply_yield (object *tmp)
165{
166 if (shstr_tmp yield = tmp->kv (shstr_on_use_yield))
167 archetype::get (yield)->insert_at (tmp, tmp, INS_BELOW_ORIGINATOR);
168}
169
170/**
171 * Handles applying a potion.
172 */
173int
174apply_potion (object *op, object *tmp)
175{
176 int got_one = 0, i;
177 object *force = 0, *floor = 0;
178
179 floor = GET_MAP_OB (op->map, op->x, op->y);
180
181 if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_SAFE)
182 {
183 op->failmsg ("Gods prevent you from using this here, it's sacred ground!");
184
185 CLEAR_FLAG (tmp, FLAG_APPLIED);
186 return 0;
187 }
188
189 if (op->type == PLAYER)
190 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
191 identify (tmp);
192
193 handle_apply_yield (tmp);
194
195 /* Potion of restoration - only for players */
196 if (op->type == PLAYER && (tmp->attacktype & AT_DEPLETE))
197 {
198 object *depl;
199 archetype *at;
200
201 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
202 {
203 op->drain_stat ();
204 op->update_stats ();
205 tmp->decrease ();
206 return 1;
207 }
208
209 if (!(at = archetype::find (ARCH_DEPLETION)))
210 {
211 LOG (llevError, "Could not find archetype depletion\n");
212 return 0;
213 }
214
215 depl = present_arch_in_ob (at, op);
216
217 if (depl)
218 {
219 for (i = 0; i < NUM_STATS; i++)
220 if (depl->stats.stat (i))
221 op->statusmsg (restore_msg[i]);
222
223 depl->destroy ();
224 op->update_stats ();
225 }
226 else
227 op->statusmsg ("Your potion had no effect.");
228
229 tmp->decrease ();
230 return 1;
231 }
232
233 /* improvement potion - only for players */
234 if (op->type == PLAYER && (tmp->attacktype & AT_GODPOWER))
235 {
236 for (i = 1; i < MIN (11, op->level); i++)
237 {
238 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
239 {
240 if (op->contr->levhp[i] != 1)
241 {
242 op->contr->levhp[i] = 1;
243 break;
244 }
245
246 if (op->contr->levsp[i] != 1)
247 {
248 op->contr->levsp[i] = 1;
249 break;
250 }
251
252 if (op->contr->levgrace[i] != 1)
253 {
254 op->contr->levgrace[i] = 1;
255 break;
256 }
257 }
258 else
259 {
260 if (op->contr->levhp[i] < 9)
261 {
262 op->contr->levhp[i] = 9;
263 break;
264 }
265
266 if (op->contr->levsp[i] < 6)
267 {
268 op->contr->levsp[i] = 6;
269 break;
270 }
271
272 if (op->contr->levgrace[i] < 3)
273 {
274 op->contr->levgrace[i] = 3;
275 break;
276 }
277 }
278 }
279
280 /* Just makes checking easier */
281 if (i < MIN (11, op->level))
282 got_one = 1;
283
284 if (!QUERY_FLAG (tmp, FLAG_CURSED) && !QUERY_FLAG (tmp, FLAG_DAMNED))
285 {
286 if (got_one)
287 {
288 op->update_stats ();
289 op->statusmsg ("The Gods smile upon you and remake you "
290 "a little more in their image. "
291 "You feel a little more perfect.", NDI_GREEN);
292 }
293 else
294 op->statusmsg ("The potion had no effect - you are already perfect.");
295 }
296 else
297 { /* cursed potion */
298 if (got_one)
299 {
300 op->update_stats ();
301 op->failmsg ("The Gods are angry and punish you.");
302 }
303 else
304 op->statusmsg ("You are fortunate that you are so pathetic.", NDI_DK_ORANGE);
305 }
306
307 tmp->decrease ();
308 return 1;
309 }
310
311
312 /* A potion that casts a spell. Healing, restore spellpoint (power potion)
313 * and heroism all fit into this category. Given the spell object code,
314 * there is no limit to the number of spells that potions can be cast,
315 * but direction is problematic to try and imbue fireball potions for example.
316 */
317 if (tmp->inv)
318 {
319 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
320 {
321 op->failmsg ("Yech! Your lungs are on fire!");
322 create_exploding_ball_at (op, op->level);
323 }
324 else
325 cast_spell (op, tmp, op->facing, tmp->inv, NULL);
326
327 tmp->decrease ();
328
329 /* if youre dead, no point in doing this... */
330 if (!QUERY_FLAG (op, FLAG_REMOVED))
331 op->update_stats ();
332
333 return 1;
334 }
335
336 /* Deal with protection potions */
337 force = NULL;
338 for (i = 0; i < NROFATTACKS; i++)
339 {
340 if (tmp->resist[i])
341 {
342 if (!force)
343 force = get_archetype (FORCE_NAME);
344
345 memcpy (force->resist, tmp->resist, sizeof (tmp->resist));
346 force->type = POTION_EFFECT;
347 break; /* Only need to find one protection since we copy entire batch */
348 }
349 }
350
351 /* This is a protection potion */
352 if (force)
353 {
354 /* cursed items last longer */
355 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
356 {
357 force->stats.food *= 10;
358 for (i = 0; i < NROFATTACKS; i++)
359 if (force->resist[i] > 0)
360 force->resist[i] = -force->resist[i]; /* prot => vuln */
361 }
362
363 force->speed_left = -1;
364 force = insert_ob_in_ob (force, op);
365 CLEAR_FLAG (tmp, FLAG_APPLIED);
366 SET_FLAG (force, FLAG_APPLIED);
367 change_abil (op, force);
368 tmp->decrease ();
369 return 1;
370 }
371
372 /* Only thing left are the stat potions */
373 if (op->type == PLAYER)
374 { /* only for players */
375 if ((QUERY_FLAG (tmp, FLAG_CURSED)
376 || QUERY_FLAG (tmp, FLAG_DAMNED))
377 && tmp->value != 0)
378 CLEAR_FLAG (tmp, FLAG_APPLIED);
379 else
380 SET_FLAG (tmp, FLAG_APPLIED);
381
382 if (!change_abil (op, tmp))
383 op->statusmsg ("Nothing happened.");
384 }
385
386 /* CLEAR_FLAG is so that if the character has other potions
387 * that were grouped with the one consumed, his
388 * stat will not be raised by them. fix_player just clears
389 * up all the stats.
390 */
391 CLEAR_FLAG (tmp, FLAG_APPLIED);
392 op->update_stats ();
393 tmp->decrease ();
394 return 1;
395}
396 112
397/**************************************************************************** 113/****************************************************************************
398 * Weapon improvement code follows 114 * Weapon improvement code follows
399 ****************************************************************************/ 115 ****************************************************************************/
400 116
401/** 117/**
402 * This function just checks whether who can handle equipping an item 118 * This function just checks whether who can handle equipping an item
403 * with item_power. 119 * with item_power.
404 */ 120 */
405 121static bool
406bool
407check_item_power (object *who, int item_power) 122check_item_power (object *who, int item_power)
408{ 123{
409 if (who->type == PLAYER 124 if (who->type == PLAYER
410 && item_power 125 && item_power
411 && item_power + who->contr->item_power > settings.item_power_factor * who->level) 126 && item_power + who->contr->item_power > settings.item_power_factor * who->level)
… …
425 if (!item) 140 if (!item)
426 return 0; 141 return 0;
427 142
428 for (op = op->below; op; op = op->below) 143 for (op = op->below; op; op = op->below)
429 if (op->arch->archname == item) 144 if (op->arch->archname == item)
430 if (!QUERY_FLAG (op, FLAG_CURSED) && !QUERY_FLAG (op, FLAG_DAMNED) 145 if (!op->flag [FLAG_CURSED] && !op->flag [FLAG_DAMNED]
431 && /* Loophole bug? -FD- */ !QUERY_FLAG (op, FLAG_UNPAID)) 146 && /* Loophole bug? -FD- */ !op->flag [FLAG_UNPAID])
432 count += op->number_of (); 147 count += op->number_of ();
433 148
434 return count; 149 return count;
435} 150}
436 151
… …
483 if (improver->slaying) 198 if (improver->slaying)
484 { 199 {
485 count = check_item (op, improver->slaying); 200 count = check_item (op, improver->slaying);
486 if (count < 1) 201 if (count < 1)
487 { 202 {
488 op->failmsg (format ("The gods want more %ss", &improver->slaying)); 203 op->failmsgf ("The gods want more %ss", &improver->slaying);
489 return 0; 204 return 0;
490 } 205 }
491 } 206 }
492 else 207 else
493 count = 1; 208 count = 1;
… …
532 247
533/** 248/**
534 * This does the prepare weapon scroll. 249 * This does the prepare weapon scroll.
535 * Checks for sacrifice, and so on. 250 * Checks for sacrifice, and so on.
536 */ 251 */
537int 252static int
538prepare_weapon (object *op, object *improver, object *weapon) 253prepare_weapon (object *op, object *improver, object *weapon)
539{ 254{
540 int sacrifice_count, i; 255 int sacrifice_count, i;
541 char buf[MAX_BUF];
542 256
543 if (weapon->level != 0) 257 if (weapon->level != 0)
544 { 258 {
545 op->failmsg ("Weapon is already prepared!"); 259 op->failmsg ("Weapon is already prepared!");
546 return 0; 260 return 0;
… …
575 "Your sacrifice was accepted." 289 "Your sacrifice was accepted."
576 "Your *%s may be improved %d times.", 290 "Your *%s may be improved %d times.",
577 &weapon->name, weapon->level 291 &weapon->name, weapon->level
578 )); 292 ));
579 293
580 sprintf (buf, "%s's %s", &op->name, &weapon->name); 294 weapon->name = weapon->name_pl = format ("%s's %s", &op->name, &weapon->name);
581 weapon->name = weapon->name_pl = buf;
582 weapon->nrof = 0; /* prevents preparing n weapons in the same 295 weapon->nrof = 0; /* prevents preparing n weapons in the same
583 slot at once! */ 296 slot at once! */
584 improver->decrease (); 297 improver->decrease ();
585 weapon->last_eat = 0; 298 weapon->last_eat = 0;
586 return 1; 299 return 1;
… …
595 * 308 *
596 * We are hiding extra information about the weapon in the level and 309 * We are hiding extra information about the weapon in the level and
597 * last_eat numbers for an object. Hopefully this won't break anything ?? 310 * last_eat numbers for an object. Hopefully this won't break anything ??
598 * level == max improve last_eat == current improve 311 * level == max improve last_eat == current improve
599 */ 312 */
600int 313static int
601improve_weapon (object *op, object *improver, object *weapon) 314improve_weapon (object *op, object *improver, object *weapon)
602{ 315{
603 int sacrifice_count, sacrifice_needed = 0; 316 int sacrifice_count, sacrifice_needed = 0;
604 317
605 if (improver->stats.sp == IMPROVE_PREPARE) 318 if (improver->stats.sp == IMPROVE_PREPARE)
… …
618 { 331 {
619 op->failmsg ("This weapon cannot be improved any more."); 332 op->failmsg ("This weapon cannot be improved any more.");
620 return 0; 333 return 0;
621 } 334 }
622 335
623 if (QUERY_FLAG (weapon, FLAG_APPLIED) 336 if (weapon->flag [FLAG_APPLIED]
624 && !check_item_power (op, weapon->item_power + 1)) 337 && !check_item_power (op, weapon->item_power + 1))
625 { 338 {
626 op->failmsg ("Improving the weapon will make it too " 339 op->failmsg ("Improving the weapon will make it too "
627 "powerful for you to use. Unready it if you " 340 "powerful for you to use. Unready it if you "
628 "really want to improve it."); 341 "really want to improve it.");
… …
678 sacrifice_needed *= 2; 391 sacrifice_needed *= 2;
679 392
680 sacrifice_count = check_sacrifice (op, improver); 393 sacrifice_count = check_sacrifice (op, improver);
681 if (sacrifice_count < sacrifice_needed) 394 if (sacrifice_count < sacrifice_needed)
682 { 395 {
683 op->failmsg (format ("You need at least %d %s.", sacrifice_needed, &improver->slaying)); 396 op->failmsgf ("You need at least %d %s.", sacrifice_needed, &improver->slaying);
684 return 0; 397 return 0;
685 } 398 }
686 399
687 eat_item (op, improver->slaying, sacrifice_needed); 400 eat_item (op, improver->slaying, sacrifice_needed);
688 weapon->item_power++; 401 weapon->item_power++;
… …
707/** 420/**
708 * Handles the applying of improve/prepare/enchant weapon scroll. 421 * Handles the applying of improve/prepare/enchant weapon scroll.
709 * Checks a few things (not on a non-magic square, marked weapon, ...), 422 * Checks a few things (not on a non-magic square, marked weapon, ...),
710 * then calls improve_weapon to do the dirty work. 423 * then calls improve_weapon to do the dirty work.
711 */ 424 */
712int 425static int
713check_improve_weapon (object *op, object *tmp) 426check_improve_weapon (object *op, object *tmp)
714{ 427{
715 object *otmp;
716
717 if (op->type != PLAYER) 428 if (op->type != PLAYER)
718 return 0; 429 return 0;
719 430
720 if (!QUERY_FLAG (op, FLAG_WIZCAST) && (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_NO_MAGIC)) 431 if (!op->flag [FLAG_WIZCAST] && (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_NO_MAGIC))
721 { 432 {
722 op->failmsg ("Something blocks the magic of the scroll!"); 433 op->failmsg ("Something blocks the magic of the scroll!");
723 return 0; 434 return 0;
724 } 435 }
725 436
726 otmp = find_marked_object (op); 437 object *otmp = op->mark ();
727 438
728 if (!otmp) 439 if (!otmp)
729 { 440 {
730 op->failmsg ("You need to mark a weapon object. H<Use the mark command or the mark option from the item popup menu.>"); 441 op->failmsg ("You need to mark a weapon object. H<Use the mark command or the mark option from the item popup menu.>");
731 return 0; 442 return 0;
732 } 443 }
733 444
734 if (otmp->type != WEAPON && otmp->type != BOW) 445 if (otmp->type != WEAPON && otmp->type != BOW)
735 { 446 {
736 op->failmsg ("Marked item is not a weapon or bow!"); 447 op->failmsg ("Marked item is not a weapon or bow!");
448 return 0;
449 }
450
451 if (!op->apply (otmp, AP_UNAPPLY))
452 {
453 op->failmsg ("You are unable to take off your weapon to improve it!");
737 return 0; 454 return 0;
738 } 455 }
739 456
740 op->statusmsg ("Applied weapon builder."); 457 op->statusmsg ("Applied weapon builder.");
741 458
… …
764 * the armour value of the piece of equipment exceed either 481 * the armour value of the piece of equipment exceed either
765 * the users level or 90) 482 * the users level or 90)
766 * Modified by MSW for partial resistance. Only support 483 * Modified by MSW for partial resistance. Only support
767 * changing of physical area right now. 484 * changing of physical area right now.
768 */ 485 */
769int 486static int
770improve_armour (object *op, object *improver, object *armour) 487improve_armour (object *op, object *improver, object *armour)
771{ 488{
772 object *tmp;
773
774 if (armour->magic >= settings.armor_max_enchant) 489 if (armour->magic >= settings.armor_max_enchant)
775 { 490 {
776 op->failmsg ("This armour can not be enchanted any further!"); 491 op->failmsg ("This armour can not be enchanted any further!");
777 return 0; 492 return 0;
778 } 493 }
… …
789 } 504 }
790 505
791 /* Split objects if needed. Can't insert tmp until the 506 /* Split objects if needed. Can't insert tmp until the
792 * end of this function - otherwise it will just re-merge. 507 * end of this function - otherwise it will just re-merge.
793 */ 508 */
794 tmp = armour->nrof > 1 ? armour->split (armour->nrof - 1) : 0; 509 object *tmp = armour->nrof > 1 ? armour->split (armour->nrof - 1) : 0;
795 510
796 armour->magic++; 511 armour->magic++;
797 512
798 if (!settings.armor_speed_linear) 513 if (!settings.armor_speed_linear)
799 { 514 {
… …
837 552
838 if (op->type == PLAYER) 553 if (op->type == PLAYER)
839 { 554 {
840 esrv_send_item (op, armour); 555 esrv_send_item (op, armour);
841 556
842 if (QUERY_FLAG (armour, FLAG_APPLIED)) 557 if (armour->flag [FLAG_APPLIED])
843 op->update_stats (); 558 op->update_stats ();
844 } 559 }
845 560
846 improver->decrease (); 561 improver->decrease ();
847 562
… …
861 * what the converter wants, this will not do anything. 576 * what the converter wants, this will not do anything.
862 */ 577 */
863int 578int
864convert_item (object *item, object *converter) 579convert_item (object *item, object *converter)
865{ 580{
866 sint64 nr, price_in; 581 sint64 nr = 0, price_in;
867 582
868 if (item->flag [FLAG_UNPAID]) 583 if (item->flag [FLAG_UNPAID])
869 return 0; 584 return 0;
870 585
871 shstr conv_from = converter->slaying; 586 shstr conv_from = converter->slaying;
872 archetype *conv_to = converter->other_arch; 587 archetype *conv_to = converter->other_arch;
873 sint64 need = converter->stats.food; 588 sint64 need = converter->stats.food;
874 sint64 give = converter->stats.sp; 589 sint64 give = converter->stats.sp;
875 590
… …
927 for (ob = converter->inv->below, i = 1; ob; ob = ob->below, i++) 642 for (ob = converter->inv->below, i = 1; ob; ob = ob->below, i++)
928 if (rndm (0, i) == 0) 643 if (rndm (0, i) == 0)
929 ob_to_copy = ob; 644 ob_to_copy = ob;
930 645
931 item = ob_to_copy->deep_clone (); 646 item = ob_to_copy->deep_clone ();
932 CLEAR_FLAG (item, FLAG_IS_A_TEMPLATE); 647 item->clr_flag (FLAG_IS_A_TEMPLATE);
933 unflag_inv (item, FLAG_IS_A_TEMPLATE); 648 unflag_inv (item, FLAG_IS_A_TEMPLATE);
934 } 649 }
935 else 650 else
936 { 651 {
937 if (!conv_to) 652 if (!conv_to)
… …
950 665
951 if (nr) 666 if (nr)
952 item->nrof *= nr; 667 item->nrof *= nr;
953 668
954 if (converter->flag [FLAG_PRECIOUS]) 669 if (converter->flag [FLAG_PRECIOUS])
955 SET_FLAG (item, FLAG_UNPAID); 670 item->set_flag (FLAG_UNPAID);
956 671
957 if (is_in_shop (converter)) 672 if (converter->is_in_shop ())
958 { 673 {
959 // converters on shop floors don't work anymore, bug lets check for it 674 // converters on shop floors don't work anymore, bug lets check for it
960 // and report in case someone still does it. 675 // and report in case someone still does it.
961 LOG (llevDebug, "ITEMBUG: broken converter, converters on shop floor don't work: %s\n", 676 LOG (llevDebug, "ITEMBUG: broken converter, converters on shop floor don't work: %s\n",
962 converter->debug_desc ()); 677 converter->debug_desc ());
963 SET_FLAG (item, FLAG_UNPAID); 678 item->set_flag (FLAG_UNPAID);
964 } 679 }
965 else if (price_in < sint64 (item->nrof) * item->value) 680 else if (price_in < sint64 (item->nrof) * item->value)
966 { 681 {
967 LOG (llevDebug, "converter output price higher than input: %s at %s (%d, %d) in value %d, out value %d for %s\n", 682 LOG (llevDebug, "converter output price higher than input: %s at %s (%d, %d) in value %d, out value %d for %s\n",
968 &converter->name, &converter->map->path, converter->x, converter->y, price_in, item->nrof * item->value, &item->name); 683 &converter->name, &converter->map->path, converter->x, converter->y, price_in, item->nrof * item->value, &item->name);
… …
972 */ 687 */
973 } 688 }
974 689
975 // elmex: only identify if we need to, for example so that generated money doesn't 690 // elmex: only identify if we need to, for example so that generated money doesn't
976 // get an 'identified' flag so easily. 691 // get an 'identified' flag so easily.
977 if (need_identify (item)) 692 if (item->need_identify ())
978 identify (item); 693 identify (item);
979 694
980 insert_ob_in_map_at (item, converter->map, converter, 0, converter->x, converter->y); 695 item->insert_at (converter, 0, INS_NO_WALK_ON);
696
981 return 1; 697 return 1;
982} 698}
983 699
984/** 700/**
985 * Handle apply on containers. 701 * Handle apply on containers.
986 * By Eneq(@csd.uu.se). 702 * By Eneq(@csd.uu.se).
987 * Moved to own function and added many features [Tero.Haatanen@lut.fi] 703 * Moved to own function and added many features [Tero.Haatanen@lut.fi]
988 * added the alchemical cauldron to the code -b.t. 704 * added the alchemical cauldron to the code -b.t.
989 */ 705 */
990int 706static int
991apply_container (object *op, object *sack) 707apply_container (object *op, object *sack)
992{ 708{
993 if (op->type != PLAYER || !op->contr->ns) 709 if (op->type != PLAYER || !op->contr->ns)
994 return 0; /* This might change */ 710 return 0; /* This might change */
995 711
… …
1016 op->close_container (); 732 op->close_container ();
1017 return 1; 733 return 1;
1018 } 734 }
1019 else if (!sack->env) 735 else if (!sack->env)
1020 { 736 {
1021 // active, but not ours: some other player has opened it 737 // active on floor, but not ours: some other player has opened it
738 // normally this only happens to dms standing on the same space.
739 // but it doesn't hurt to handle it.
1022 op->failmsg (format ("Somebody else is using the %s already.", query_name (sack))); 740 op->failmsgf ("Somebody else is using the %s already.", query_name (sack));
1023 return 1; 741 return 1;
1024 } 742 }
743 }
1025 744
1026 // fall through to opening it (active in inv) 745 // it's locked?
746 if (sack->slaying)
1027 } 747 {
1028 else if (sack->env) 748 if (object *tmp = find_key (op, op, sack))
749 {
750 op->statusmsg (format ("You unlock %s with %s.", query_name (sack), query_name (tmp)));
751 }
752 else
753 {
754 sack->flag [FLAG_APPLIED] = false; // might be applied in inv, let the user close it
755 esrv_update_item (UPD_FLAGS, op, sack);
756 op->statusmsg (format ("You don't have the key to unlock %s.", query_name (sack)));
757 return 1;
758 }
759 }
760
761 if (sack->env && !sack->flag [FLAG_APPLIED])
1029 { 762 {
1030 // it is in our env, so activate it, do not open yet 763 // it is in our env, so activate it, do not open yet
1031 op->close_container (); 764 op->close_container ();
1032 sack->flag [FLAG_APPLIED] = 1; 765 sack->flag [FLAG_APPLIED] = true;
1033 esrv_update_item (UPD_FLAGS, op, sack); 766 esrv_update_item (UPD_FLAGS, op, sack);
1034 op->statusmsg (format ("You ready %s.", query_name (sack))); 767 op->statusmsg (format ("You ready %s.", query_name (sack)));
1035 return 1;
1036 }
1037
1038 // it's locked?
1039 if (sack->slaying)
1040 { 768 }
1041 if (object *tmp = find_key (op, op, sack))
1042 op->statusmsg (format ("You unlock %s with %s.", query_name (sack), query_name (tmp)));
1043 else 769 else
1044 {
1045 op->statusmsg (format ("You don't have the key to unlock %s.", query_name (sack)));
1046 return 1;
1047 }
1048 }
1049
1050 op->open_container (sack); 770 op->open_container (sack);
1051 771
1052 return 1; 772 return 1;
1053} 773}
1054 774
1055/** 775/**
… …
1103{ 823{
1104 int rv = 0; 824 int rv = 0;
1105 double opinion; 825 double opinion;
1106 object *tmp, *next; 826 object *tmp, *next;
1107 827
1108 SET_FLAG (op, FLAG_NO_APPLY); /* prevent loops */ 828 op->set_flag (FLAG_NO_APPLY); /* prevent loops */
1109 829
1110 bool has_unpaid = false; 830 bool has_unpaid = false;
1111 831
1112 // quite inefficient to do this here twice, but the api doesn't lend itself to 832 // quite inefficient to do this here twice, but the api doesn't lend itself to
1113 // a quick and small change :( 833 // a quick and small change :(
… …
1126 */ 846 */
1127 for (tmp = op->inv; tmp; tmp = next) 847 for (tmp = op->inv; tmp; tmp = next)
1128 { 848 {
1129 next = tmp->below; 849 next = tmp->below;
1130 850
1131 if (QUERY_FLAG (tmp, FLAG_UNPAID)) 851 if (tmp->flag [FLAG_UNPAID])
1132 { 852 {
1133 int i = find_free_spot (tmp, op->map, op->x, op->y, 1, 9); 853 int i = find_free_spot (tmp, op->map, op->x, op->y, 1, 9);
1134 854
1135 if (i >= 0) 855 if (i >= 0)
1136 tmp->move (i); 856 tmp->move (i);
1137 } 857 }
1138 } 858 }
1139 859
1140 /* Don't teleport things like spell effects */ 860 /* Don't teleport things like spell effects */
1141 if (QUERY_FLAG (op, FLAG_NO_PICK)) 861 if (op->flag [FLAG_NO_PICK])
1142 return 0; 862 return 0;
1143 863
1144 /* unpaid objects, or non living objects, can't transfer by 864 /* unpaid objects, or non living objects, can't transfer by
1145 * shop mats. Instead, put it on a nearby space. 865 * shop mats. Instead, put it on a nearby space.
1146 */ 866 */
1147 if (QUERY_FLAG (op, FLAG_UNPAID) || !QUERY_FLAG (op, FLAG_ALIVE)) 867 if (op->flag [FLAG_UNPAID] || !op->flag [FLAG_ALIVE])
1148 { 868 {
1149 /* Somebody dropped an unpaid item, just move to an adjacent place. */ 869 /* Somebody dropped an unpaid item, just move to an adjacent place. */
1150 int i = find_free_spot (op, op->map, op->x, op->y, 1, 9); 870 int i = find_free_spot (op, op->map, op->x, op->y, 1, 9);
1151 871
1152 if (i != -1) 872 if (i != -1)
… …
1165 /* this is only used for players */ 885 /* this is only used for players */
1166 rv = teleport (shop_mat, SHOP_MAT, op); 886 rv = teleport (shop_mat, SHOP_MAT, op);
1167 887
1168 if (has_unpaid) 888 if (has_unpaid)
1169 op->contr->play_sound (sound_find ("shop_buy")); 889 op->contr->play_sound (sound_find ("shop_buy"));
1170 else if (is_in_shop (op)) 890 else if (op->is_in_shop ())
1171 op->contr->play_sound (sound_find ("shop_enter")); 891 op->contr->play_sound (sound_find ("shop_enter"));
1172 else 892 else
1173 op->contr->play_sound (sound_find ("shop_leave")); 893 op->contr->play_sound (sound_find ("shop_leave"));
1174 894
1175 if (shop_mat->msg) 895 if (shop_mat->msg)
1176 op->statusmsg (shop_mat->msg); 896 op->statusmsg (shop_mat->msg);
1177 /* This check below is a bit simplistic - generally it should be correct, 897 /* This check below is a bit simplistic - generally it should be correct,
1178 * but there is never a guarantee that the bottom space on the map is 898 * but there is never a guarantee that the bottom space on the map is
1179 * actually the shop floor. 899 * actually the shop floor.
1180 */ 900 */
1181 else if (!rv && !is_in_shop (op)) 901 else if (!rv && !op->is_in_shop ())
1182 { 902 {
1183 opinion = shopkeeper_approval (op->map, op); 903 opinion = shopkeeper_approval (op->map, op);
1184 904
1185 op->statusmsg ( 905 op->statusmsg (
1186 opinion >= 0.90 ? "The shopkeeper gives you a friendly wave." 906 opinion >= 0.90 ? "The shopkeeper gives you a friendly wave."
… …
1207 op->y += freearr_y[i]; 927 op->y += freearr_y[i];
1208 rv = insert_ob_in_map (op, op->map, shop_mat, 0) == NULL; 928 rv = insert_ob_in_map (op, op->map, shop_mat, 0) == NULL;
1209 } 929 }
1210 } 930 }
1211 931
1212 CLEAR_FLAG (op, FLAG_NO_APPLY); 932 op->clr_flag (FLAG_NO_APPLY);
1213 return rv; 933 return rv;
1214} 934}
1215 935
1216/** 936/**
1217 * Handles applying a sign. 937 * Handles applying a sign.
… …
1245 op->failmsg ("You cannot read it anymore."); 965 op->failmsg ("You cannot read it anymore.");
1246 966
1247 return; 967 return;
1248 } 968 }
1249 969
1250 if (!QUERY_FLAG (op, FLAG_WIZPASS)) 970 if (!op->flag [FLAG_WIZPASS])
1251 sign->last_eat++; 971 sign->last_eat++;
1252 } 972 }
1253 973
1254 /* Sign or magic mouth? Do we need to see it, or does it talk to us? 974 /* Sign or magic mouth? Do we need to see it, or does it talk to us?
1255 * No way to know for sure. The presumption is basically that if 975 * No way to know for sure. The presumption is basically that if
1256 * move_on is zero, it needs to be manually applied (doesn't talk 976 * move_on is zero, it needs to be manually applied (doesn't talk
1257 * to us). 977 * to us).
1258 */ 978 */
1259 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ) && !sign->move_on) 979 if (op->flag [FLAG_BLIND] && !op->flag [FLAG_WIZ] && !sign->move_on)
1260 { 980 {
1261 op->failmsg ("You are unable to read while blind!"); 981 op->failmsg ("You are unable to read while blind!");
1262 return; 982 return;
1263 } 983 }
1264 984
… …
1305 EXIT_Y (trap) + freearr_y[dir], 1025 EXIT_Y (trap) + freearr_y[dir],
1306 0, victim); 1026 0, victim);
1307} 1027}
1308 1028
1309/** 1029/**
1310 * 'victim' moves onto 'trap'
1311 * 'victim' leaves 'trap'
1312 * effect is determined by move_on/move_off of trap and move_type of victime.
1313 *
1314 * originator: Player, monster or other object that caused 'victim' to move
1315 * onto 'trap'. Will receive messages caused by this action. May be NULL.
1316 * However, some types of traps require an originator to function.
1317 */
1318void
1319move_apply (object *trap, object *victim, object *originator)
1320{
1321 static int recursion_depth = 0;
1322
1323 /* Only exits affect DMs. */
1324 if (QUERY_FLAG (victim, FLAG_WIZPASS) && trap->type != EXIT && trap->type != SIGN)
1325 return;
1326
1327 /* move_apply() is the most likely candidate for causing unwanted and
1328 * possibly unlimited recursion.
1329 */
1330 /* The following was changed because it was causing perfectly correct
1331 * maps to fail. 1) it's not an error to recurse:
1332 * rune detonates, summoning monster. monster lands on nearby rune.
1333 * nearby rune detonates. This sort of recursion is expected and
1334 * proper. This code was causing needless crashes.
1335 */
1336 if (recursion_depth >= 500)
1337 {
1338 LOG (llevDebug, "WARNING: move_apply(): aborting recursion "
1339 "[trap arch %s, name %s; victim arch %s, name %s]\n", &trap->arch->archname, &trap->name, &victim->arch->archname, &victim->name);
1340 return;
1341 }
1342
1343 recursion_depth++;
1344 if (trap->head)
1345 trap = trap->head;
1346
1347 if (!INVOKE_OBJECT (MOVE_TRIGGER, trap, ARG_OBJECT (victim), ARG_OBJECT (originator)))
1348 switch (trap->type)
1349 {
1350 case PLAYERMOVER:
1351 if (trap->attacktype && (trap->level || victim->type != PLAYER) && !should_director_abort (trap, victim))
1352 {
1353 if (!trap->stats.maxsp)
1354 trap->stats.maxsp = 2;
1355
1356 /* Is this correct? From the docs, it doesn't look like it
1357 * should be divided by trap->speed
1358 */
1359 victim->speed_left = -FABS (trap->stats.maxsp * victim->speed / trap->speed);
1360
1361 /* Just put in some sanity check. I think there is a bug in the
1362 * above with some objects have zero speed, and thus the player
1363 * getting permanently paralyzed.
1364 */
1365 if (victim->speed_left < -50.f)
1366 victim->speed_left = -50.f;
1367 /* LOG(llevDebug, "apply, playermove, player speed_left=%f\n", victim->speed_left); */
1368 }
1369 break;
1370
1371 case SPINNER:
1372 if (victim->direction)
1373 {
1374 victim->direction = absdir (victim->direction - trap->stats.sp);
1375 update_turn_face (victim);
1376 }
1377 break;
1378
1379 case DIRECTOR:
1380 if (victim->direction && !should_director_abort (trap, victim))
1381 {
1382 victim->direction = trap->stats.sp;
1383 update_turn_face (victim);
1384 }
1385 break;
1386
1387 case BUTTON:
1388 case PEDESTAL:
1389 case T_MATCH:
1390 update_button (trap, originator);
1391 break;
1392
1393 case ALTAR:
1394 /* sacrifice victim on trap */
1395 apply_altar (trap, victim, originator);
1396 break;
1397
1398 case THROWN_OBJ:
1399 if (trap->inv == NULL)
1400 break;
1401 /* fallthrough */
1402
1403 case ARROW:
1404 /* bad bug: monster throw a object, make a step forwards, step on object ,
1405 * trigger this here and get hit by own missile - and will be own enemy.
1406 * Victim then is his own enemy and will start to kill herself (this is
1407 * removed) but we have not synced victim and his missile. To avoid senseless
1408 * action, we avoid hits here
1409 */
1410 if ((QUERY_FLAG (victim, FLAG_ALIVE) && trap->speed) && trap->owner != victim)
1411 hit_with_arrow (trap, victim);
1412 break;
1413
1414 case SPELL_EFFECT:
1415 apply_spell_effect (trap, victim);
1416 break;
1417
1418 case TRAPDOOR:
1419 {
1420 int max, sound_was_played;
1421 object *ab, *ab_next;
1422
1423 if (!trap->value)
1424 {
1425 int tot;
1426
1427 for (ab = trap->above, tot = 0; ab; ab = ab->above)
1428 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
1429 tot += ab->head_ ()->total_weight ();
1430
1431 if (!(trap->value = (tot > trap->weight) ? 1 : 0))
1432 break;
1433
1434 SET_ANIMATION (trap, trap->value);
1435 update_object (trap, UP_OBJ_FACE);
1436 }
1437
1438 for (ab = trap->above, max = 100, sound_was_played = 0; --max && ab; ab = ab_next)
1439 {
1440 /* need to set this up, since if we do transfer the object,
1441 * ab->above would be bogus
1442 */
1443 ab_next = ab->above;
1444
1445 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
1446 {
1447 if (!sound_was_played)
1448 {
1449 trap->play_sound (trap->sound ? trap->sound : sound_find ("fall_hole"));
1450 sound_was_played = 1;
1451 }
1452
1453 ab->statusmsg ("You fall into a trapdoor!", NDI_RED);
1454 transfer_ob (ab, EXIT_X (trap), EXIT_Y (trap), 0, ab);
1455 }
1456 }
1457 break;
1458 }
1459
1460 case CONVERTER:
1461 if (convert_item (victim, trap) < 0)
1462 {
1463 originator->failmsg (format ("The %s seems to be broken!", query_name (trap)));
1464 archetype::get (shstr_burnout)->insert_at (trap, trap);
1465 }
1466
1467 break;
1468
1469 case TRIGGER_BUTTON:
1470 case TRIGGER_PEDESTAL:
1471 case TRIGGER_ALTAR:
1472 check_trigger (trap, victim, originator);
1473 break;
1474
1475 case DEEP_SWAMP:
1476 walk_on_deep_swamp (trap, victim);
1477 break;
1478
1479 case CHECK_INV:
1480 check_inv (victim, trap);
1481 break;
1482
1483 case HOLE:
1484 move_apply_hole (trap, victim);
1485 break;
1486
1487 case EXIT:
1488 if (victim->type == PLAYER && EXIT_PATH (trap))
1489 {
1490 /* Basically, don't show exits leading to random maps the
1491 * players output.
1492 */
1493 if (trap->msg && !EXIT_PATH (trap).starts_with ("/!"))
1494 victim->statusmsg (trap->msg, NDI_NAVY);
1495
1496 trap->play_sound (trap->sound);
1497 victim->enter_exit (trap);
1498 }
1499 break;
1500
1501 case ENCOUNTER:
1502 /* may be some leftovers on this */
1503 break;
1504
1505 case SHOP_MAT:
1506 apply_shop_mat (trap, victim);
1507 break;
1508
1509 /* Drop a certain amount of gold, and have one item identified */
1510 case IDENTIFY_ALTAR:
1511 apply_id_altar (victim, trap, originator);
1512 break;
1513
1514 case SIGN:
1515 if (victim->type != PLAYER && trap->stats.food > 0)
1516 break; /* monsters musn't apply magic_mouths with counters */
1517
1518 apply_sign (victim, trap, 1);
1519 break;
1520
1521 case CONTAINER:
1522 apply_container (victim, trap);
1523 break;
1524
1525 case RUNE:
1526 case TRAP:
1527 if (trap->level && QUERY_FLAG (victim, FLAG_ALIVE))
1528 spring_trap (trap, victim);
1529 break;
1530
1531 default:
1532 LOG (llevDebug, "name %s, arch %s, type %d with fly/walk on/off not "
1533 "handled in move_apply()\n", &trap->name, &trap->arch->archname, trap->type);
1534 break;
1535 }
1536
1537 recursion_depth--;
1538}
1539
1540/**
1541 * Handles reading a regular (ie not containing a spell) book.
1542 */
1543static void
1544apply_book (object *op, object *tmp)
1545{
1546 int lev_diff;
1547 object *skill_ob;
1548
1549 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
1550 {
1551 op->failmsg ("You are unable to read while blind!");
1552 return;
1553 }
1554
1555 if (!tmp->msg)
1556 {
1557 op->failmsg (format ("The %s contains nothing but meaningless gibberish. H<There is nothing interesting to read here.>", &tmp->name));
1558 return;
1559 }
1560
1561 /* need a literacy skill to read stuff! */
1562 skill_ob = find_skill_by_name (op, tmp->skill);
1563 if (!skill_ob)
1564 {
1565 op->failmsg (format ("You are unable to decipher the strange symbols. H<You lack the %s skill to read this.>", &tmp->skill));
1566 return;
1567 }
1568
1569 lev_diff = tmp->level - (skill_ob->level + 5);
1570 if (!QUERY_FLAG (op, FLAG_WIZ) && lev_diff > 0)
1571 {
1572 op->failmsg (lev_diff < 2 ? "This book is just barely beyond your comprehension."
1573 : lev_diff < 3 ? "This book is slightly beyond your comprehension."
1574 : lev_diff < 5 ? "This book is beyond your comprehension."
1575 : lev_diff < 8 ? "This book is quite a bit beyond your comprehension."
1576 : lev_diff < 15 ? "This book is way beyond your comprehension."
1577 : "This book is totally beyond your comprehension.");
1578 return;
1579 }
1580
1581 readable_message_type *msgType = get_readable_message_type (tmp);
1582
1583 if (player *pl = op->contr)
1584 if (client *ns = pl->ns)
1585 pl->infobox (MSG_CHANNEL ("book"), format ("T<%s>\n\n%s", (char *)long_desc (tmp, op), &tmp->msg));
1586
1587 /* gain xp from reading */
1588 if (!QUERY_FLAG (tmp, FLAG_NO_SKILL_IDENT))
1589 { /* only if not read before */
1590 int exp_gain = calc_skill_exp (op, tmp, skill_ob);
1591
1592 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
1593 {
1594 /*exp_gain *= 2; because they just identified it too */
1595 SET_FLAG (tmp, FLAG_IDENTIFIED);
1596
1597 if (object *pl = tmp->visible_to ())
1598 esrv_update_item (UPD_FLAGS | UPD_NAME, pl, tmp);
1599 }
1600
1601 change_exp (op, exp_gain, skill_ob->skill, 0);
1602 SET_FLAG (tmp, FLAG_NO_SKILL_IDENT); /* so no more xp gained from this book */
1603 }
1604}
1605
1606/**
1607 * Handles the applying of a skill scroll, calling learn_skill straight.
1608 * op is the person learning the skill, tmp is the skill scroll object
1609 */
1610static void
1611apply_skillscroll (object *op, object *tmp)
1612{
1613 switch (learn_skill (op, tmp))
1614 {
1615 case 0:
1616 op->play_sound (sound_find ("generic_fail"));
1617 op->failmsg (format ("You already possess the knowledge held within the %s.", query_name (tmp)));
1618 break;
1619
1620 case 1:
1621 tmp->decrease ();
1622 op->play_sound (sound_find ("skill_learn"));
1623 op->statusmsg (format ("You succeed in learning %s", &tmp->skill));
1624 break;
1625
1626 default:
1627 tmp->decrease ();
1628 op->play_sound (sound_find ("generic_fail"));
1629 op->failmsg (format ("You fail to learn the knowledge of the %s.\n", query_name (tmp)));
1630 break;
1631 }
1632}
1633
1634/**
1635 * Actually makes op learn spell.
1636 * Informs player of what happens.
1637 */
1638void
1639do_learn_spell (object *op, object *spell, int special_prayer)
1640{
1641 object *tmp;
1642
1643 if (op->type != PLAYER)
1644 {
1645 LOG (llevError, "BUG: do_learn_spell(): not a player\n");
1646 return;
1647 }
1648
1649 /* Upgrade special prayers to normal prayers */
1650 if ((tmp = check_spell_known (op, spell->name)) != NULL)
1651 {
1652 if (special_prayer && !QUERY_FLAG (tmp, FLAG_STARTEQUIP))
1653 {
1654 LOG (llevError, "BUG: do_learn_spell(): spell already known, but not marked as startequip\n");
1655 return;
1656 }
1657 return;
1658 }
1659
1660 op->contr->play_sound (sound_find ("learn_spell"));
1661
1662 tmp = spell->clone ();
1663 insert_ob_in_ob (tmp, op);
1664
1665 if (special_prayer)
1666 SET_FLAG (tmp, FLAG_STARTEQUIP);
1667
1668 esrv_add_spells (op->contr, tmp);
1669}
1670
1671/**
1672 * Erases spell from player's inventory.
1673 */
1674void
1675do_forget_spell (object *op, const char *spell)
1676{
1677 object *spob;
1678
1679 if (op->type != PLAYER)
1680 {
1681 LOG (llevError, "BUG: do_forget_spell(): not a player\n");
1682 return;
1683 }
1684 if ((spob = check_spell_known (op, spell)) == NULL)
1685 {
1686 LOG (llevError, "BUG: do_forget_spell(): spell not known\n");
1687 return;
1688 }
1689
1690 op->failmsg (format ("You lose knowledge of %s.", spell));
1691 player_unready_range_ob (op->contr, spob);
1692 esrv_remove_spell (op->contr, spob);
1693 spob->destroy ();
1694}
1695
1696/**
1697 * Handles player applying a spellbook.
1698 * Checks whether player has knowledge of required skill, doesn't already know the spell,
1699 * stuff like that. Random learning failure too.
1700 */
1701static void
1702apply_spellbook (object *op, object *tmp)
1703{
1704 object *skop, *spell, *spell_skill;
1705
1706 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
1707 {
1708 op->failmsg ("You are unable to read while blind.");
1709 return;
1710 }
1711
1712 /* artifact_spellbooks have 'slaying' field point to a spell name,
1713 * instead of having their spell stored in stats.sp. These are
1714 * legacy spellbooks
1715 */
1716 if (tmp->slaying)
1717 {
1718 spell = arch_to_object (find_archetype_by_object_name (tmp->slaying));
1719 if (!spell)
1720 {
1721 op->failmsg (format ("The book's formula for %s is incomplete.", &tmp->slaying));
1722 return;
1723 }
1724 else
1725 insert_ob_in_ob (spell, tmp);
1726
1727 tmp->slaying = 0;
1728 }
1729
1730 skop = find_skill_by_name (op, tmp->skill);
1731
1732 /* need a literacy skill to learn spells. Also, having a literacy level
1733 * lower than the spell will make learning the spell more difficult */
1734 if (!skop)
1735 {
1736 op->failmsg (format ("You can't read! Your attempt fails. H<You lack the %s skill.>", &tmp->skill));
1737 return;
1738 }
1739
1740 spell = tmp->inv;
1741
1742 if (!spell)
1743 {
1744 LOG (llevError, "apply_spellbook: Book %s has no spell in it!\n", &tmp->name);
1745 op->failmsg ("The spellbook symbols make no sense. This is a bug, please report!");
1746 return;
1747 }
1748
1749 int learn_level = sqrtf (spell->level) * 1.5f;
1750 if (skop->level < learn_level)
1751 {
1752 op->failmsg (format ("You are unable to decipher the strange symbols. H<Your %s level is too low, it must be at least %d.>",
1753 &tmp->skill, learn_level));
1754 return;
1755 }
1756
1757 op->statusmsg (format ("The spellbook contains the %s level spell %s.", get_levelnumber (spell->level), &spell->name));
1758
1759 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
1760 identify (tmp);
1761
1762 /* I removed the check for special_prayer_mark here - it didn't make
1763 * a lot of sense - special prayers are not found in spellbooks, and
1764 * if the player doesn't know the spell, doesn't make a lot of sense that
1765 * they would have a special prayer mark.
1766 */
1767 if (check_spell_known (op, spell->name))
1768 {
1769 op->statusmsg ("You already know that spell. H<It makes no sense to learn spells twice, and would only waste the spellbook.>\n");
1770 return;
1771 }
1772
1773 if (spell->skill)
1774 {
1775 spell_skill = find_skill_by_name (op, spell->skill);
1776
1777 if (!spell_skill)
1778 {
1779 op->failmsg (format ("You lack the skill %s to use this spell.", &spell->skill));
1780 return;
1781 }
1782
1783 if (spell_skill->level < spell->level)
1784 {
1785 op->failmsg (format ("You need to be level %d in %s to learn this spell.", spell->level, &spell->skill));
1786 return;
1787 }
1788 }
1789
1790 /* Logic as follows
1791 *
1792 * 1- MU spells use Int to learn, Cleric spells use Wisdom
1793 *
1794 * 2- The learner's skill level in literacy adjusts the chance to learn
1795 * a spell.
1796 *
1797 * 3 -Automatically fail to learn if you read while confused
1798 *
1799 * Overall, chances are the same but a player will find having a high
1800 * literacy rate very useful! -b.t.
1801 */
1802 if (QUERY_FLAG (op, FLAG_CONFUSED))
1803 {
1804 op->failmsg ("In your confused state you flub the wording of the text!");
1805 scroll_failure (op, 0 - random_roll (0, spell->level, op, PREFER_LOW), MAX (spell->stats.sp, spell->stats.grace));
1806 }
1807 else if (QUERY_FLAG (tmp, FLAG_STARTEQUIP) ||
1808 (random_roll (0, 100, op, PREFER_LOW) - (5 * skop->level)) < learn_spell[spell->stats.grace ? op->stats.Wis : op->stats.Int])
1809 {
1810 op->statusmsg ("You succeed in learning the spell!", NDI_GREEN);
1811 do_learn_spell (op, spell, 0);
1812
1813 /* xp gain to literacy for spell learning */
1814 if (!QUERY_FLAG (tmp, FLAG_STARTEQUIP))
1815 change_exp (op, calc_skill_exp (op, tmp, skop), skop->skill, 0);
1816 }
1817 else
1818 {
1819 op->contr->play_sound (sound_find ("fumble_spell"));
1820 op->failmsg ("You fail to learn the spell. H<Wis (priests) or Int (wizards) governs the chance of learning a prayer or spell.>\n");
1821 }
1822
1823 tmp->decrease ();
1824}
1825
1826/**
1827 * Handles applying a spell scroll.
1828 */
1829void
1830apply_scroll (object *op, object *tmp, int dir)
1831{
1832 object *skop;
1833
1834 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
1835 {
1836 op->failmsg ("You are unable to read while blind.");
1837 return;
1838 }
1839
1840 if (!tmp->inv || tmp->inv->type != SPELL)
1841 {
1842 op->failmsg ("The scroll just doesn't make sense! H<...and never will make sense.>");
1843 return;
1844 }
1845
1846 if (op->type == PLAYER)
1847 {
1848 /* players need a literacy skill to read stuff! */
1849 int exp_gain = 0;
1850
1851 /* hard code literacy - tmp->skill points to where the exp
1852 * should go for anything killed by the spell.
1853 */
1854 skop = find_skill_by_name (op, skill_names[SK_LITERACY]);
1855
1856 if (!skop)
1857 {
1858 op->failmsg (format ("You are unable to decipher the strange symbols. H<You lack the %s skill.>", &skill_names[SK_LITERACY]));
1859 return;
1860 }
1861
1862 if ((exp_gain = calc_skill_exp (op, tmp, skop)))
1863 change_exp (op, exp_gain, skop->skill, 0);
1864 }
1865
1866 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
1867 identify (tmp);
1868
1869 op->statusmsg (format ("The scroll of %s turns to dust.", &tmp->inv->name));
1870
1871 cast_spell (op, tmp, dir, tmp->inv, NULL);
1872 tmp->decrease ();
1873}
1874
1875/**
1876 * Applies a treasure object - by default, chest. op
1877 * is the person doing the applying, tmp is the treasure
1878 * chest.
1879 */
1880static void
1881apply_treasure (object *op, object *tmp)
1882{
1883 /* Nice side effect of this treasure creation method is that the treasure
1884 * for the chest is done when the chest is created, and put into the chest
1885 * inventory. So that when the chest burns up, the items still exist. Also
1886 * prevents people from moving chests to more difficult maps to get better
1887 * treasure
1888 */
1889 object *treas = tmp->inv;
1890
1891 if (!treas)
1892 {
1893 op->statusmsg ("The chest was empty.");
1894 tmp->decrease ();
1895 return;
1896 }
1897
1898 while (tmp->inv)
1899 {
1900 treas = tmp->inv;
1901 treas->remove ();
1902
1903 treas->x = op->x;
1904 treas->y = op->y;
1905 treas = insert_ob_in_map (treas, op->map, op, INS_BELOW_ORIGINATOR);
1906
1907 if (treas && (treas->type == RUNE || treas->type == TRAP) && treas->level && QUERY_FLAG (op, FLAG_ALIVE))
1908 spring_trap (treas, op);
1909
1910 /* If either player or container was destroyed, no need to do
1911 * further processing. I think this should be enclused with
1912 * spring trap above, as I don't think there is otherwise
1913 * any way for the treasure chest or player to get killed.
1914 */
1915 if (op->destroyed () || tmp->destroyed ())
1916 break;
1917 }
1918
1919 if (!tmp->destroyed () && !tmp->inv)
1920 tmp->decrease (true);
1921}
1922
1923/**
1924 * op eats food.
1925 * If player, takes care of messages and dragon special food.
1926 */
1927static void
1928apply_food (object *op, object *tmp)
1929{
1930 int capacity_remaining;
1931
1932 if (op->type != PLAYER)
1933 op->stats.hp = op->stats.maxhp;
1934 else
1935 {
1936 /* check if this is a dragon (player), eating some flesh */
1937 if (tmp->type == FLESH && is_dragon_pl (op) && dragon_eat_flesh (op, tmp))
1938 ;
1939 else
1940 {
1941 /* usual case - no dragon meal: */
1942 if (op->stats.food + tmp->stats.food > 999)
1943 {
1944 if (tmp->type == FOOD || tmp->type == FLESH)
1945 op->failmsg ("You feel full, but what a waste of food!");
1946 else
1947 op->statusmsg ("Most of the drink goes down your face not your throat!");
1948 }
1949
1950 tmp->play_sound (
1951 tmp->sound
1952 ? tmp->sound
1953 : tmp->type == DRINK
1954 ? sound_find ("eat_drink")
1955 : sound_find ("eat_food")
1956 );
1957
1958 if (!QUERY_FLAG (tmp, FLAG_CURSED))
1959 {
1960 const char *buf;
1961
1962 if (!is_dragon_pl (op))
1963 {
1964 /* eating message for normal players */
1965 if (tmp->type == DRINK)
1966 buf = format ("Ahhh...that %s tasted good.", &tmp->name);
1967 else
1968 buf = format ("The %s tasted %s", &tmp->name, tmp->type == FLESH ? "terrible!" : "good.");
1969 }
1970 else
1971 /* eating message for dragon players */
1972 buf = format ("The %s tasted terrible!", &tmp->name);
1973
1974 op->statusmsg (buf);
1975
1976 capacity_remaining = 999 - op->stats.food;
1977 op->stats.food += tmp->stats.food;
1978 if (capacity_remaining < tmp->stats.food)
1979 op->stats.hp += capacity_remaining / 50;
1980 else
1981 op->stats.hp += tmp->stats.food / 50;
1982
1983 if (op->stats.hp > op->stats.maxhp)
1984 op->stats.hp = op->stats.maxhp;
1985 if (op->stats.food > 999)
1986 op->stats.food = 999;
1987 }
1988
1989 /* special food hack -b.t. */
1990 if (tmp->title || QUERY_FLAG (tmp, FLAG_CURSED))
1991 eat_special_food (op, tmp);
1992 }
1993 }
1994
1995 handle_apply_yield (tmp);
1996 tmp->decrease ();
1997}
1998
1999/**
2000 * A dragon is eating some flesh. If the flesh contains resistances,
2001 * there is a chance for the dragon's skin to get improved.
2002 *
2003 * attributes:
2004 * object *op the object (dragon player) eating the flesh
2005 * object *meal the flesh item, getting chewed in dragon's mouth
2006 * return:
2007 * int 1 if eating successful, 0 if it doesn't work
2008 */
2009int
2010dragon_eat_flesh (object *op, object *meal)
2011{
2012 object *skin = NULL; /* pointer to dragon skin force */
2013 object *abil = NULL; /* pointer to dragon ability force */
2014 object *tmp = NULL; /* tmp. object */
2015
2016 double chance; /* improvement-chance of one resistance type */
2017 double totalchance = 1; /* total chance of gaining one resistance */
2018 double bonus = 0; /* level bonus (improvement is easier at lowlevel) */
2019 double mbonus = 0; /* monster bonus */
2020 int atnr_winner[NROFATTACKS]; /* winning candidates for resistance improvement */
2021 int winners = 0; /* number of winners */
2022 int i; /* index */
2023
2024 /* let's make sure and doublecheck the parameters */
2025 if (meal->type != FLESH || !is_dragon_pl (op))
2026 return 0;
2027
2028 /* now grab the 'dragon_skin'- and 'dragon_ability'-forces
2029 from the player's inventory */
2030 for (tmp = op->inv; tmp; tmp = tmp->below)
2031 if (tmp->type == FORCE)
2032 if (tmp->arch->archname == shstr_dragon_skin_force)
2033 skin = tmp;
2034 else if (tmp->arch->archname == shstr_dragon_ability_force)
2035 abil = tmp;
2036
2037 /* if either skin or ability are missing, this is an old player
2038 which is not to be considered a dragon -> bail out */
2039 if (skin == NULL || abil == NULL)
2040 return 0;
2041
2042 /* now start by filling stomache and health, according to food-value */
2043 if ((999 - op->stats.food) < meal->stats.food)
2044 op->stats.hp += (999 - op->stats.food) / 50;
2045 else
2046 op->stats.hp += meal->stats.food / 50;
2047
2048 if (op->stats.hp > op->stats.maxhp)
2049 op->stats.hp = op->stats.maxhp;
2050
2051 op->stats.food = MIN (999, op->stats.food + meal->stats.food);
2052
2053 /*LOG(llevDebug, "-> player: %d, flesh: %d\n", op->level, meal->level); */
2054
2055 /* on to the interesting part: chances for adding resistance */
2056 for (i = 0; i < NROFATTACKS; i++)
2057 {
2058 if (meal->resist[i] > 0 && atnr_is_dragon_enabled (i))
2059 {
2060 /* got positive resistance, now calculate improvement chance (0-100) */
2061
2062 /* this bonus makes resistance increase easier at lower levels */
2063 bonus = (settings.max_level - op->level) * 30. / ((double) settings.max_level);
2064 if (i == abil->stats.exp)
2065 bonus += 5; /* additional bonus for resistance of ability-focus */
2066
2067 /* monster bonus increases with level, because high-level
2068 flesh is too rare */
2069 mbonus = op->level * 20. / ((double) settings.max_level);
2070
2071 chance = (((double) MIN (op->level + bonus, meal->level + bonus + mbonus)) * 100. /
2072 ((double) settings.max_level)) - skin->resist[i];
2073
2074 if (chance >= 0.)
2075 chance += 1.;
2076 else
2077 chance = (chance < -12) ? 0. : 1. / pow (2., -chance);
2078
2079 /* chance is proportional to amount of resistance (max. 50) */
2080 chance *= ((double) (MIN (meal->resist[i], 50))) / 50.;
2081
2082 /* doubled chance for resistance of ability-focus */
2083 if (i == abil->stats.exp)
2084 chance = MIN (100., chance * 2.);
2085
2086 /* now make the throw and save all winners (Don't insert luck bonus here!) */
2087 if (rndm (10000) < (unsigned int) (chance * 100))
2088 {
2089 atnr_winner[winners] = i;
2090 winners++;
2091 }
2092
2093 if (chance >= 0.01)
2094 totalchance *= 1 - chance / 100;
2095
2096 /*LOG(llevDebug, " %s: bonus %.1f, chance %.1f\n", attacks[i], bonus, chance); */
2097 }
2098 }
2099
2100 /* inverse totalchance as until now we have the failure-chance */
2101 totalchance = 100 - totalchance * 100;
2102
2103 /* print message according to totalchance */
2104 const char *buf;
2105 if (totalchance > 50.)
2106 buf = format ("Hmm! The %s tasted delicious!", &meal->name);
2107 else if (totalchance > 10.)
2108 buf = format ("The %s tasted very good.", &meal->name);
2109 else if (totalchance > 1.)
2110 buf = format ("The %s tasted good.", &meal->name);
2111 else if (totalchance > 0.1)
2112 buf = format ("The %s tasted bland.", &meal->name);
2113 else if (totalchance >= 0.01)
2114 buf = format ("The %s had a boring taste.", &meal->name);
2115 else if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat))
2116 buf = format ("The %s tasted strange.", &meal->name);
2117 else
2118 buf = format ("The %s had no taste.", &meal->name);
2119
2120 op->statusmsg (buf);
2121
2122 /* now choose a winner if we have any */
2123 i = -1;
2124 if (winners > 0)
2125 i = atnr_winner [rndm (winners)];
2126
2127 if (i >= 0 && i < NROFATTACKS && skin->resist[i] < 95)
2128 {
2129 /* resistance increased! */
2130 skin->resist[i]++;
2131 op->update_stats ();
2132
2133 op->statusmsg (format ("Your skin is now more resistant to %s!", change_resist_msg[i]));
2134 }
2135
2136 /* if this flesh contains a new ability focus, we mark it
2137 into the ability_force and it will take effect on next level */
2138 if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat) && meal->last_eat != abil->last_eat)
2139 {
2140 abil->last_eat = meal->last_eat; /* write: last_eat <new attnr focus> */
2141
2142 if (meal->last_eat != abil->stats.exp)
2143 op->statusmsg (format (
2144 "Your metabolism prepares to focus on %s!\n"
2145 "The change will happen at level %d.",
2146 change_resist_msg[meal->last_eat],
2147 abil->level + 1
2148 ));
2149 else
2150 {
2151 op->statusmsg (format ("Your metabolism will continue to focus on %s.", change_resist_msg[meal->last_eat]));
2152 abil->last_eat = 0;
2153 }
2154 }
2155
2156 return 1;
2157}
2158
2159/**
2160 * Handles applying an improve armor scroll.
2161 * Does some sanity checks, then calls improve_armour.
2162 */
2163static void
2164apply_armour_improver (object *op, object *tmp)
2165{
2166 object *armor;
2167
2168 if (!QUERY_FLAG (op, FLAG_WIZCAST) && (get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_NO_MAGIC))
2169 {
2170 op->failmsg ("Something blocks the magic of the scroll. H<This area prevents magic effects.>");
2171 return;
2172 }
2173
2174 armor = find_marked_object (op);
2175
2176 if (!armor)
2177 {
2178 op->failmsg ("You need to mark an armor object. Use the right mouse button popup or the mark command to do this.");
2179 return;
2180 }
2181
2182 if (armor->type != ARMOUR
2183 && armor->type != CLOAK
2184 && armor->type != BOOTS && armor->type != GLOVES && armor->type != BRACERS && armor->type != SHIELD && armor->type != HELMET)
2185 {
2186 op->failmsg ("Your marked item is not armour!\n");
2187 return;
2188 }
2189
2190 op->statusmsg ("Applying armour enchantment.");
2191 improve_armour (op, tmp, armor);
2192}
2193
2194void
2195apply_poison (object *op, object *tmp)
2196{
2197 // need to do it now when it is still on the map
2198 handle_apply_yield (tmp);
2199
2200 object *poison = tmp->split (1);
2201
2202 if (op->type == PLAYER)
2203 {
2204 op->contr->play_sound (sound_find ("drink_poison"));
2205 op->failmsg ("Yech! That tasted poisonous!");
2206 op->contr->killer = poison;
2207 }
2208
2209 if (poison->stats.hp > 0)
2210 {
2211 LOG (llevDebug, "Trying to poison player/monster for %d hp\n", poison->stats.hp);
2212 hit_player (op, poison->stats.hp, tmp, AT_POISON, 1);
2213 }
2214
2215 op->stats.food -= op->stats.food / 4;
2216 poison->destroy ();
2217}
2218
2219/**
2220 * This function return true if the exit is not a 2 ways one or it is 2 ways, valid exit.
2221 * A valid 2 way exit means:
2222 * -You can come back (there is another exit at the other side)
2223 * -You are
2224 * ° the owner of the exit
2225 * ° or in the same party as the owner
2226 *
2227 * Note: a owner in a 2 way exit is saved as the owner's name
2228 * in the field exit->name cause the field exit->owner doesn't
2229 * survive in the swapping (in fact the whole exit doesn't survive).
2230 */
2231int
2232is_legal_2ways_exit (object *op, object *exit)
2233{
2234 if (exit->stats.exp != 1)
2235 return 1; /*This is not a 2 way, so it is legal */
2236
2237#if 0 //TODO
2238 if (!has_been_loaded (EXIT_PATH (exit)) && exit->race)
2239 return 0; /* This is a reset town portal */
2240#endif
2241
2242 LOG (llevError | logBacktrace, "sync map load due to %s\n", exit->debug_desc ());
2243
2244 maptile *exitmap = maptile::find_sync (EXIT_PATH (exit), exit->map);
2245
2246 if (exitmap)
2247 {
2248 exitmap->load_sync ();
2249
2250 object *tmp = exitmap->at (EXIT_X (exit), EXIT_Y (exit)).bot;
2251
2252 if (!tmp)
2253 return 0;
2254
2255 for (; tmp; tmp = tmp->above)
2256 {
2257 if (tmp->type != EXIT)
2258 continue; /*Not an exit */
2259
2260 if (!EXIT_PATH (tmp))
2261 continue; /*Not a valid exit */
2262
2263 if ((EXIT_X (tmp) != exit->x) || (EXIT_Y (tmp) != exit->y))
2264 continue; /*Not in the same place */
2265
2266 if (exit->map->path != EXIT_PATH (tmp))
2267 continue; /*Not in the same map */
2268
2269 /* From here we have found the exit is valid. However we do
2270 * here the check of the exit owner. It is important for the
2271 * town portals to prevent strangers from visiting your appartments
2272 */
2273 if (!exit->race)
2274 return 1; /*No owner, free for all! */
2275
2276 object *exit_owner = 0;
2277
2278 for_all_players (pp)
2279 {
2280 if (!pp->ob)
2281 continue;
2282
2283 if (pp->ob->name != exit->race)
2284 continue;
2285
2286 exit_owner = pp->ob; /*We found a player which correspond to the player name */
2287 break;
2288 }
2289
2290 if (!exit_owner)
2291 return 0; /* No more owner */
2292
2293 if (exit_owner->contr == op->contr)
2294 return 1; /*It is your exit */
2295
2296 if (exit_owner && /*There is a owner */
2297 (op->contr) && /*A player tries to pass */
2298 ((exit_owner->contr->party == NULL) || /*No pass if controller has no party */
2299 (exit_owner->contr->party != op->contr->party))) /* Or not the same as op */
2300 return 0;
2301
2302 return 1;
2303 }
2304 }
2305
2306 return 0;
2307}
2308
2309/**
2310 * This function will try to apply a lighter and in case no lighter
2311 * is specified it will try to find a lighter in the players inventory,
2312 * and inform him about this requirement.
2313 *
2314 * who - the player
2315 * op - the item we want to light
2316 * lighter - the lighter or 0 if a lighter has yet to be found
2317 */
2318static object *
2319auto_apply_lighter (object *who, object *op, object *lighter)
2320{
2321 if (lighter == 0)
2322 {
2323 for (object *tmp = who->inv; tmp; tmp = tmp->below)
2324 {
2325 if (tmp->type == LIGHTER)
2326 {
2327 lighter = tmp;
2328 break;
2329 }
2330 }
2331
2332 if (!lighter)
2333 {
2334 who->failmsg (format (
2335 "You can't light up the %s with your bare hands! "
2336 "H<You need a lighter in your inventory, for example a flint and steel.>",
2337 &op->name));
2338 return 0;
2339 }
2340 }
2341
2342 // last_eat == 0 means the lighter is not being used up!
2343 if (lighter->last_eat && lighter->stats.food)
2344 {
2345 /* lighter gets used up */
2346 lighter = lighter->split ();
2347 lighter->stats.food--;
2348 who->insert (lighter);
2349 }
2350 else if (lighter->last_eat)
2351 {
2352 /* no charges left in lighter */
2353 who->failmsg (format (
2354 "You attempt to light the %s with a used up %s.",
2355 &op->name, &lighter->name));
2356 return 0;
2357 }
2358
2359 return lighter;
2360}
2361
2362/**
2363 * Designed primarily to light torches/lanterns/etc.
2364 * Also burns up burnable material too. First object in the inventory is
2365 * the selected object to "burn". -b.t.
2366 */
2367void
2368apply_lighter (object *who, object *lighter)
2369{
2370 object *item;
2371 int is_player_env = 0;
2372
2373 item = find_marked_object (who);
2374 if (item)
2375 {
2376 if (!auto_apply_lighter (who, item, lighter))
2377 return;
2378
2379 /* Perhaps we should split what we are trying to light on fire?
2380 * I can't see many times when you would want to light multiple
2381 * objects at once.
2382 */
2383
2384 save_throw_object (item, AT_FIRE, who);
2385
2386 if (item->destroyed ()
2387 || ((item->type == LAMP || item->type == TORCH)
2388 && item->glow_radius > 0))
2389 who->statusmsg (format (
2390 "You light the %s with the %s.",
2391 &item->name, &lighter->name));
2392 else
2393 who->failmsg (format (
2394 "You attempt to light the %s with the %s and fail.",
2395 &item->name, &lighter->name));
2396 }
2397 else
2398 who->failmsg ("You need to mark a lightable object.");
2399}
2400
2401/**
2402 * This function generates a cursed effect for cursed lamps and torches.
2403 */
2404void player_apply_lamp_cursed_effect (object *who, object *op)
2405{
2406 if (op->level)
2407 {
2408 who->failmsg (format (
2409 "The %s was cursed, it explodes in a big fireball!",
2410 &op->name));
2411 create_exploding_ball_at (who, op->level);
2412 }
2413 else
2414 {
2415 who->failmsg (format (
2416 "The %s was cursed, it crumbles to dust, at least it didn't explode.!",
2417 &op->name));
2418 }
2419
2420 op->destroy ();
2421}
2422
2423/**
2424 * Apply for players and lamps
2425 *
2426 * who - the player
2427 * op - the lamp
2428 */
2429void player_apply_lamp (object *who, object *op)
2430{
2431 bool switch_on = op->glow_radius ? false : true;
2432
2433 if (switch_on)
2434 {
2435 object *lighter = 0;
2436
2437 if (op->flag [FLAG_IS_LIGHTABLE]
2438 && !(lighter = auto_apply_lighter (who, op, 0)))
2439 return;
2440
2441 if (op->stats.food < 1)
2442 {
2443 if (op->type == LAMP)
2444 who->failmsg (format (
2445 "The %s is out of fuel! "
2446 "H<Lamps and similar items need fuel. They cannot be refilled.>",
2447 &op->name));
2448 else
2449 who->failmsg (format (
2450 "The %s is burnt out! "
2451 "H<Torches and similar items burn out and become worthless.>",
2452 &op->name));
2453 return;
2454 }
2455
2456 if (op->flag [FLAG_CURSED])
2457 {
2458 player_apply_lamp_cursed_effect (who, op);
2459 return;
2460 }
2461
2462 if (lighter)
2463 who->statusmsg (format (
2464 "You light up the %s with the %s.", &op->name, &lighter->name));
2465 else
2466 who->statusmsg (format ("You light up the %s.", &op->name));
2467 }
2468 else
2469 {
2470 if (op->flag [FLAG_CURSED])
2471 {
2472 player_apply_lamp_cursed_effect (who, op);
2473 return;
2474 }
2475
2476 if (op->type == TORCH)
2477 {
2478 if (!op->flag [FLAG_IS_LIGHTABLE])
2479 {
2480 who->statusmsg (format (
2481 "You put out the %s. "
2482 "H<The %s can't be used anymore, as it can't be lighted up again.>",
2483 &op->name, &op->name));
2484 }
2485 else
2486 who->statusmsg (format (
2487 "You put out the %s."
2488 "H<Torches wear out if you put them out.>",
2489 &op->name));
2490 }
2491 else
2492 who->statusmsg (format ("You turn off the %s.", &op->name));
2493 }
2494
2495 apply_lamp (op, switch_on);
2496}
2497
2498void get_animation_from_arch (object *op, arch_ptr a)
2499{
2500 op->animation_id = a->animation_id;
2501 op->flag [FLAG_IS_TURNABLE] = a->flag [FLAG_IS_TURNABLE];
2502 op->flag [FLAG_ANIMATE] = a->flag [FLAG_ANIMATE];
2503 op->anim_speed = a->anim_speed;
2504 op->last_anim = 0;
2505 op->state = 0;
2506 op->face = a->face;
2507
2508 if (NUM_ANIMATIONS(op) > 1)
2509 {
2510 SET_ANIMATION(op, 0);
2511 animate_object (op, op->direction);
2512 }
2513 else
2514 update_object (op, UP_OBJ_FACE);
2515}
2516
2517/**
2518 * Apply for LAMPs and TORCHes.
2519 *
2520 * op - the lamp
2521 * switch_on - a flag which says whether the lamp should be switched on or off
2522 */
2523void apply_lamp (object *op, bool switch_on)
2524{
2525 op->set_glow_radius (switch_on ? op->range : 0);
2526 op->set_speed (switch_on ? op->arch->speed : 0);
2527
2528 // torches wear out if you put them out
2529 if (op->type == TORCH && !switch_on)
2530 {
2531 if (op->flag [FLAG_IS_LIGHTABLE])
2532 {
2533 op->stats.food -= (double) op->arch->stats.food / 15;
2534 if (op->stats.food < 0)
2535 op->stats.food = 0;
2536 }
2537 else
2538 op->stats.food = 0;
2539 }
2540
2541 // lamps and torched get worthless when used up
2542 if (op->stats.food <= 0)
2543 op->value = 0;
2544
2545 // FIXME: This is a hack to make the more sane torches and lamps
2546 // still animated ;-/
2547 if (op->other_arch)
2548 get_animation_from_arch (op, switch_on ? op->other_arch : op->arch);
2549
2550 if (object *pl = op->visible_to ())
2551 esrv_update_item (UPD_ANIM | UPD_FACE | UPD_NAME, pl, op);
2552}
2553
2554/**
2555 * Main apply handler.
2556 *
2557 * Checks for unpaid items before applying.
2558 *
2559 * Return value:
2560 * 0: player or monster can't apply objects of that type
2561 * 1: has been applied, or there was an error applying the object
2562 * 2: objects of that type can't be applied if not in inventory
2563 *
2564 * who is the object that is causing object to be applied, op is the object
2565 * being applied.
2566 *
2567 * aflag is special (always apply/unapply) flags. Nothing is done with
2568 * them in this function - they are passed to apply_special
2569 */
2570int
2571manual_apply (object *who, object *op, int aflag)
2572{
2573 op = op->head_ ();
2574
2575 if (QUERY_FLAG (op, FLAG_UNPAID) && !QUERY_FLAG (op, FLAG_APPLIED))
2576 {
2577 if (who->type == PLAYER)
2578 {
2579 examine (who, op);
2580 //who->failmsg ("You should pay for it first! H<You cannot use items marked as unpaid.>");//TODO remove
2581 return 1;
2582 }
2583 else
2584 return 0; /* monsters just skip unpaid items */
2585 }
2586
2587 if (INVOKE_OBJECT (APPLY, op, ARG_OBJECT (who)))
2588 return RESULT_INT (0);
2589
2590 switch (op->type)
2591 {
2592 case T_HANDLE:
2593 who->play_sound (sound_find ("turn_handle"));
2594 who->statusmsg ("You turn the handle.");
2595 op->value = op->value ? 0 : 1;
2596 SET_ANIMATION (op, op->value);
2597 update_object (op, UP_OBJ_FACE);
2598 push_button (op, who);
2599 return 1;
2600
2601 case TRIGGER:
2602 if (check_trigger (op, who, who))
2603 {
2604 who->statusmsg ("You turn the handle.");
2605 who->play_sound (sound_find ("turn_handle"));
2606 }
2607 else
2608 who->failmsg ("The handle doesn't move.");
2609
2610 return 1;
2611
2612 case EXIT:
2613 if (who->type != PLAYER)
2614 return 0;
2615
2616 if (!EXIT_PATH (op) || !is_legal_2ways_exit (who, op))
2617 who->failmsg (format ("The %s is closed. H<And will stay closed, until somebody fires up the map editor and adds it.>", query_name (op)));
2618 else
2619 {
2620 /* Don't display messages for random maps. */
2621 if (op->msg && !EXIT_PATH (op).starts_with ("/!"))
2622 who->statusmsg (op->msg, NDI_NAVY);
2623
2624 who->enter_exit (op);
2625 }
2626
2627 return 1;
2628
2629 case INSCRIBABLE:
2630 who->statusmsg (op->msg);
2631 // maybe show a spell menu to chose from or something like that
2632 return 1;
2633
2634 case SIGN:
2635 apply_sign (who, op, 0);
2636 return 1;
2637
2638 case BOOK:
2639 if (who->type == PLAYER)
2640 {
2641 apply_book (who, op);
2642 return 1;
2643 }
2644 else
2645 return 0;
2646
2647 case SKILLSCROLL:
2648 if (who->type == PLAYER)
2649 {
2650 apply_skillscroll (who, op);
2651 return 1;
2652 }
2653 else
2654 return 0;
2655
2656 case SPELLBOOK:
2657 if (who->type == PLAYER)
2658 {
2659 apply_spellbook (who, op);
2660 return 1;
2661 }
2662 else
2663 return 0;
2664
2665 case SCROLL:
2666 apply_scroll (who, op, 0);
2667 return 1;
2668
2669 case POTION:
2670 apply_potion (who, op);
2671 return 1;
2672
2673 /* Eneq(@csd.uu.se): Handle apply on containers. */
2674 //TODO: remove, as it is unsed?
2675 case CLOSE_CON:
2676 apply_container (who, op->env);
2677 return 1;
2678
2679 case CONTAINER:
2680 apply_container (who, op);
2681 return 1;
2682
2683 case TREASURE:
2684 if (who->type == PLAYER)
2685 {
2686 apply_treasure (who, op);
2687 return 1;
2688 }
2689 else
2690 return 0;
2691
2692 case LAMP:
2693 case TORCH:
2694 player_apply_lamp (who, op);
2695 return 1;
2696
2697 case WEAPON:
2698 case ARMOUR:
2699 case BOOTS:
2700 case GLOVES:
2701 case AMULET:
2702 case GIRDLE:
2703 case BRACERS:
2704 case SHIELD:
2705 case HELMET:
2706 case RING:
2707 case CLOAK:
2708 case WAND:
2709 case ROD:
2710 case HORN:
2711 case SKILL:
2712 case BOW:
2713 case BUILDER:
2714 case SKILL_TOOL:
2715 if (op->env != who)
2716 return 2; /* not in inventory */
2717
2718 apply_special (who, op, aflag);
2719 return 1;
2720
2721 case DRINK:
2722 case FOOD:
2723 case FLESH:
2724 apply_food (who, op);
2725 return 1;
2726
2727 case POISON:
2728 apply_poison (who, op);
2729 return 1;
2730
2731 case SAVEBED:
2732 return 1;
2733
2734 case ARMOUR_IMPROVER:
2735 if (who->type == PLAYER)
2736 {
2737 apply_armour_improver (who, op);
2738 return 1;
2739 }
2740 else
2741 return 0;
2742
2743 case WEAPON_IMPROVER:
2744 check_improve_weapon (who, op);
2745 return 1;
2746
2747 case CLOCK:
2748 if (who->type == PLAYER)
2749 {
2750 char buf[MAX_BUF];
2751 timeofday_t tod;
2752
2753 get_tod (&tod);
2754 who->play_sound (sound_find ("sound_clock"));
2755 who->statusmsg (format (
2756 "It is %d minute%s past %d o'clock %s",
2757 tod.minute + 1, ((tod.minute + 1 < 2) ? "" : "s"),
2758 ((tod.hour % 14 == 0) ? 14 : ((tod.hour) % 14)), ((tod.hour >= 14) ? "pm" : "am")
2759 ));
2760 return 1;
2761 }
2762 else
2763 return 0;
2764
2765 case MENU:
2766 if (who->type == PLAYER)
2767 {
2768 shop_listing (op, who);
2769 return 1;
2770 }
2771 else
2772 return 0;
2773
2774 case POWER_CRYSTAL:
2775 apply_power_crystal (who, op); /* see egoitem.c */
2776 return 1;
2777
2778 case LIGHTER: /* for lighting torches/lanterns/etc */
2779 if (who->type == PLAYER)
2780 {
2781 apply_lighter (who, op);
2782 return 1;
2783 }
2784 else
2785 return 0;
2786
2787 case ITEM_TRANSFORMER:
2788 apply_item_transformer (who, op);
2789 return 1;
2790
2791 default:
2792 return 0;
2793 }
2794}
2795
2796/* quiet suppresses the "don't know how to apply" and "you must get it first"
2797 * messages as needed by player_apply_below(). But there can still be
2798 * "but you are floating high above the ground" messages.
2799 *
2800 * Same return value as apply() function.
2801 */
2802int
2803player_apply (object *pl, object *op, int aflag, int quiet)
2804{
2805 if (!op->env && (pl->move_type & MOVE_FLYING))
2806 {
2807 /* player is flying and applying object not in inventory */
2808 if (!QUERY_FLAG (pl, FLAG_WIZ) && !(op->move_type & MOVE_FLYING))
2809 {
2810 pl->failmsg ("But you are floating high above the ground! "
2811 "H<You have to stop levitating first, if you can, either by using your levitation skill, "
2812 "or waiting till the levitation effect wears off.>");
2813 return 0;
2814 }
2815 }
2816
2817 pl->contr->last_used = op;
2818
2819 int tmp = manual_apply (pl, op, aflag);
2820
2821 if (!quiet)
2822 {
2823 if (tmp == 0)
2824 pl->statusmsg (format ("I don't know how to apply the %s.", query_name (op)));
2825 else if (tmp == 2)
2826 pl->failmsg ("You must get it first!\n");
2827 }
2828
2829 return tmp;
2830}
2831
2832/**
2833 * player_apply_below attempts to apply the object 'below' the player.
2834 * If the player has an open container, we use that for below, otherwise
2835 * we use the ground.
2836 */
2837void
2838player_apply_below (object *pl)
2839{
2840 int floors = 0;
2841
2842 /* If using a container, set the starting item to be the top
2843 * item in the container. Otherwise, use the map.
2844 * This is perhaps more complicated. However, I want to make sure that
2845 * we don't use a corrupt pointer for the next object, so we get the
2846 * next object in the stack before applying. This is can only be a
2847 * problem if player_apply() has a bug in that it uses the object but does
2848 * not return a proper value.
2849 */
2850 for (object *next, *tmp = pl->container_ () ? pl->container_ ()->inv : pl->below; tmp; tmp = next)
2851 {
2852 next = tmp->below;
2853
2854 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
2855 floors++;
2856 else if (floors > 0)
2857 return; /* process only floor objects after first floor object */
2858
2859 /* If it is visible, player can apply it. If it is applied by
2860 * person moving on it, also activate. Added code to make it
2861 * so that at least one of players movement types be that which
2862 * the item needs.
2863 */
2864 if (!tmp->invisible || (tmp->move_on & pl->move_type))
2865 if (player_apply (pl, tmp, 0, 1) == 1)
2866 return;
2867
2868 if (floors >= 2)
2869 return; /* process at most two floor objects */
2870 }
2871}
2872
2873/**
2874 * Unapplies specified item. 1030 * Unapplies specified item.
2875 * No check done on cursed/damned. 1031 * No check done on cursed/damned.
2876 * Break this out of apply_special - this is just done 1032 * Break this out of apply_special - this is just done
2877 * to keep the size of apply_special to a more managable size. 1033 * to keep the size of apply_special to a more managable size.
2878 */ 1034 */
2879static int 1035static bool
2880unapply_special (object *who, object *op, int aflags) 1036unapply_special (object *who, object *op, int aflags)
2881{ 1037{
2882 if (INVOKE_OBJECT (BE_UNREADY, op, ARG_OBJECT (who), ARG_INT (aflags)) 1038 if (INVOKE_OBJECT (BE_UNREADY, op, ARG_OBJECT (who), ARG_INT (aflags))
2883 || INVOKE_OBJECT (UNREADY, who, ARG_OBJECT (op), ARG_INT (aflags))) 1039 || INVOKE_OBJECT (UNREADY, who, ARG_OBJECT (op), ARG_INT (aflags)))
2884 return RESULT_INT (0); 1040 return RESULT_INT (0);
2885 1041
2886 CLEAR_FLAG (op, FLAG_APPLIED); 1042 if (who->current_weapon == op)
1043 who->current_weapon = 0;
1044
1045 op->flag [FLAG_APPLIED] = false;
2887 1046
2888 switch (op->type) 1047 switch (op->type)
2889 { 1048 {
2890 case SKILL_TOOL: 1049 case SKILL:
1050 if (player *pl = who->contr)
1051 if (op->invisible)
1052 pl->statusmsg (format ("You can no longer use the %s skill.", &op->skill));
1053 else
1054 pl->statusmsg (format ("You stop using the %s.", query_name (op)));
1055
1056 change_abil (who, op);
1057 who->flag [FLAG_READY_SKILL] = false;
1058 break;
1059
1060 case WEAPON:
1061 who->statusmsg (format ("You unwield %s.", query_name (op)));
1062 change_abil (who, op);
1063 who->flag [FLAG_READY_WEAPON] = false;
1064
2891 // unapplying a skill tool should also unapply the skill it governs 1065 // unapplying a weapon or skill tool should also unapply the skill it governs
2892 // but this is hard, as it shouldn't do so when the skill can 1066 // but this is hard, as it shouldn't do so when the skill can
2893 // be used for other reasons 1067 // be used for other reasons
2894 for (object *tmp = who->inv; tmp; tmp = tmp->below) 1068 //TODO: really?
2895 if (tmp->skill == op->skill 1069 if (who->chosen_skill)
2896 && tmp->type == SKILL 1070 if (!who->chosen_skill->flag [FLAG_CAN_USE_SKILL])
2897 && tmp->flag [FLAG_APPLIED]
2898 && !tmp->flag [FLAG_CAN_USE_SKILL])
2899 unapply_special (who, tmp, 0); 1071 unapply_special (who, who->chosen_skill, 0);
2900 1072
2901 change_abil (who, op);
2902 break; 1073 break;
2903 1074
1075 case RANGED:
1076 case BOW:
2904 case WEAPON: 1077 case WAND:
1078 case ROD:
1079 case HORN:
2905 if (player *pl = who->contr) 1080 if (player *pl = who->contr)
2906 if (op == pl->combat_ob)
2907 {
2908 pl->combat_ob = 0;
2909 who->change_weapon (pl->ranged_ob);
2910 }
2911
2912 who->statusmsg (format ("You unwield %s.", query_name (op)));
2913
2914 change_abil (who, op);
2915 CLEAR_FLAG (who, FLAG_READY_WEAPON);
2916 break;
2917
2918 case SKILL:
2919 if (who->contr)
2920 { 1081 {
2921 if (IS_COMBAT_SKILL (op->subtype)) 1082 who->statusmsg (format ("You unready %s.", query_name (op)));
2922 who->change_weapon (who->contr->combat_ob = 0); 1083 change_abil (who, op);
2923 else if (IS_RANGED_SKILL (op->subtype)) 1084 }
2924 who->change_weapon (who->contr->ranged_ob = 0); 1085 else
2925 1086 {
2926 if (op->invisible) 1087 if (op->type == BOW)
2927 who->statusmsg (format ("You can no longer use the skill: %s.", &op->skill)); 1088 op->flag [FLAG_READY_BOW ] = false;
2928 else 1089 else
2929 who->statusmsg (format ("You stop using the %s.", query_name (op))); 1090 op->flag [FLAG_READY_RANGE] = false;
2930 } 1091 }
2931 1092
2932 change_abil (who, op);
2933 CLEAR_FLAG (who, FLAG_READY_SKILL);
2934 break; 1093 break;
2935 1094
2936 case ARMOUR: 1095 case ARMOUR:
2937 case HELMET: 1096 case HELMET:
2938 case SHIELD: 1097 case SHIELD:
… …
2945 case CLOAK: 1104 case CLOAK:
2946 who->statusmsg (format ("You unwear %s.", query_name (op))); 1105 who->statusmsg (format ("You unwear %s.", query_name (op)));
2947 change_abil (who, op); 1106 change_abil (who, op);
2948 break; 1107 break;
2949 1108
1109 case SPELL:
2950 case BOW: 1110 case BUILDER:
2951 case WAND:
2952 case ROD:
2953 case HORN:
2954 if (player *pl = who->contr)
2955 {
2956 if (op == pl->ranged_ob)
2957 {
2958 pl->ranged_ob = 0;
2959 who->change_weapon (pl->combat_ob);
2960 }
2961
2962 who->statusmsg (format ("You unready %s.", query_name (op))); 1111 who->statusmsg (format ("You unready %s.", query_name (op)));
2963 }
2964 else
2965 {
2966 who->change_skill (0);
2967
2968 if (op->type == BOW)
2969 CLEAR_FLAG (who, FLAG_READY_BOW);
2970 else
2971 CLEAR_FLAG (who, FLAG_READY_RANGE);
2972 }
2973
2974 break; 1112 break;
2975 1113
2976 case BUILDER: 1114 //case SKILL_TOOL://TODO
2977 if (who->contr)
2978 who->statusmsg (format ("You unready %s.", query_name (op)));
2979 break;
2980
2981 default: 1115 default:
2982 who->statusmsg (format ("You unapply %s.", query_name (op))); 1116 who->statusmsg (format ("You unapply %s.", query_name (op)));
2983 break; 1117 break;
2984 } 1118 }
2985 1119
… …
2987 if (object *pl = op->visible_to ()) 1121 if (object *pl = op->visible_to ())
2988 esrv_send_item (pl, op); 1122 esrv_send_item (pl, op);
2989 1123
2990 who->update_stats (); 1124 who->update_stats ();
2991 1125
2992 return 0; 1126 return 1;
2993} 1127}
2994 1128
2995/** 1129/**
2996 * Returns the object that is using location 'loc'. 1130 * Returns the object that is using location 'loc'.
2997 * Note that 'start' is the first object to start examing - we 1131 * Note that 'start' is the first object to start examing - we
… …
3009static object * 1143static object *
3010get_next_item_from_body_location (int loc, object *start) 1144get_next_item_from_body_location (int loc, object *start)
3011{ 1145{
3012 for (object *tmp = start; tmp; tmp = tmp->below) 1146 for (object *tmp = start; tmp; tmp = tmp->below)
3013 if (tmp->flag [FLAG_APPLIED] 1147 if (tmp->flag [FLAG_APPLIED]
3014 && tmp->slot[loc].info 1148 && tmp->slot [loc].info
3015 && (!tmp->invisible || tmp->type == SKILL)) 1149 && (!tmp->invisible || tmp->type == SKILL || tmp->type == SPELL))
3016 return tmp; 1150 return tmp;
3017 1151
3018 return 0; 1152 return 0;
3019} 1153}
3020 1154
… …
3033#define CANNOT_REMOVE_CURSED \ 1167#define CANNOT_REMOVE_CURSED \
3034 "H<You cannot remove cursed or damned items, you first have to remove the curse. " \ 1168 "H<You cannot remove cursed or damned items, you first have to remove the curse. " \
3035 "Praying over an altar, scrolls of remove curse/damnation, " \ 1169 "Praying over an altar, scrolls of remove curse/damnation, " \
3036 "priests or even other players might help.>" 1170 "priests or even other players might help.>"
3037 1171
3038int 1172static bool
3039unapply_for_ob (object *who, object *op, int aflags) 1173unapply_for_ob (object *who, object *op, int aflags)
3040{ 1174{
3041 if (op->is_range ()) 1175 if (op->is_range ())
3042 for (object *tmp = who->inv; tmp; tmp = tmp->below) 1176 for (object *tmp = who->inv; tmp; tmp = tmp->below)
3043 if (QUERY_FLAG (tmp, FLAG_APPLIED) && tmp->is_range ()) 1177 if (tmp->flag [FLAG_APPLIED] && tmp->is_range ())
3044 if ((aflags & AP_IGNORE_CURSE) || (aflags & AP_PRINT) || (!QUERY_FLAG (tmp, FLAG_CURSED) && !QUERY_FLAG (tmp, FLAG_DAMNED))) 1178 if ((aflags & AP_IGNORE_CURSE) || (aflags & AP_PRINT) || (!tmp->flag [FLAG_CURSED] && !tmp->flag [FLAG_DAMNED]))
3045 { 1179 {
3046 if (aflags & AP_PRINT) 1180 if (aflags & AP_PRINT)
3047 who->failmsg (query_name (tmp)); 1181 who->failmsg (query_name (tmp));
3048 else 1182 else
3049 unapply_special (who, tmp, aflags); 1183 unapply_special (who, tmp, aflags);
… …
3052 { 1186 {
3053 /* In this case, we want to try and remove a cursed item. 1187 /* In this case, we want to try and remove a cursed item.
3054 * While we know it won't work, we want unapply_special to 1188 * While we know it won't work, we want unapply_special to
3055 * at least generate the message. 1189 * at least generate the message.
3056 */ 1190 */
3057 who->failmsg (format ("No matter how hard you try, you just can't remove the %s." CANNOT_REMOVE_CURSED, query_name (tmp))); 1191 who->failmsgf ("No matter how hard you try, you just can't remove the %s." CANNOT_REMOVE_CURSED, query_name (tmp));
3058 return 1; 1192 return 1;
3059 } 1193 }
3060 1194
3061 for (int i = 0; i < NUM_BODY_LOCATIONS; i++) 1195 for (int i = 0; i < NUM_BODY_LOCATIONS; i++)
3062 { 1196 {
… …
3082#endif 1216#endif
3083 return 1; 1217 return 1;
3084 } 1218 }
3085 1219
3086 /* If we are just printing, we don't care about cursed status */ 1220 /* If we are just printing, we don't care about cursed status */
3087 if ((aflags & AP_IGNORE_CURSE) || (aflags & AP_PRINT) || (!(QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED)))) 1221 if ((aflags & AP_IGNORE_CURSE) || (aflags & AP_PRINT) || (!(tmp->flag [FLAG_CURSED] || tmp->flag [FLAG_DAMNED])))
3088 { 1222 {
3089 if (aflags & AP_PRINT) 1223 if (aflags & AP_PRINT)
3090 who->failmsg (query_name (tmp)); 1224 who->failmsg (query_name (tmp));
3091 else 1225 else
3092 unapply_special (who, tmp, aflags); 1226 unapply_special (who, tmp, aflags);
… …
3096 /* Cursed item that we can't unequip - tell the player. 1230 /* Cursed item that we can't unequip - tell the player.
3097 * Note this could be annoying if this is just one of a few, 1231 * Note this could be annoying if this is just one of a few,
3098 * so it may not be critical (eg, putting on a ring and you have 1232 * so it may not be critical (eg, putting on a ring and you have
3099 * one cursed ring.) 1233 * one cursed ring.)
3100 */ 1234 */
3101 who->failmsg (format ("The %s just won't come off." CANNOT_REMOVE_CURSED, query_name (tmp))); 1235 who->failmsgf ("The %s just won't come off." CANNOT_REMOVE_CURSED, query_name (tmp));
3102 } 1236 }
3103 1237
3104 last = tmp->below; 1238 last = tmp->below;
3105 } 1239 }
3106 /* if we got here, this slot is freed up - otherwise, if it wasn't freed up, the 1240 /* if we got here, this slot is freed up - otherwise, if it wasn't freed up, the
… …
3165 continue; 1299 continue;
3166 } 1300 }
3167 1301
3168 object *tmp1 = get_next_item_from_body_location (i, who->inv); 1302 object *tmp1 = get_next_item_from_body_location (i, who->inv);
3169 if (!tmp1) 1303 if (!tmp1)
3170 {
3171#if 0
3172 /* This is sort of an error, but happens a lot when old players
3173 * join in with more stuff equipped than they are now allowed.
3174 */
3175 LOG (llevError, "Can't find object using location %d on %s\n", i, who->name);
3176#endif
3177 retval |= CAN_APPLY_NEVER; 1304 retval |= CAN_APPLY_NEVER;
3178 }
3179 else 1305 else
3180 { 1306 {
3181 /* need to unapply something. However, if this something 1307 /* need to unapply something. However, if this something
3182 * is different than we had found before, it means they need 1308 * is different than we had found before, it means they need
3183 * to apply multiple objects 1309 * to apply multiple objects
… …
3212 * the weapon/shield checks, and the range checks for monsters, 1338 * the weapon/shield checks, and the range checks for monsters,
3213 * because you can't control those just by body location - bows, shields, 1339 * because you can't control those just by body location - bows, shields,
3214 * and weapons all use the same slot. Similar for horn/rod/wand - they 1340 * and weapons all use the same slot. Similar for horn/rod/wand - they
3215 * all use the same location. 1341 * all use the same location.
3216 */ 1342 */
3217 if (op->type == WEAPON && !QUERY_FLAG (who, FLAG_USE_WEAPON)) 1343 if (op->type == WEAPON && !who->flag [FLAG_USE_WEAPON])
3218 retval |= CAN_APPLY_RESTRICTION; 1344 retval |= CAN_APPLY_RESTRICTION;
3219 1345
3220 if (op->type == SHIELD && !QUERY_FLAG (who, FLAG_USE_SHIELD)) 1346 if (op->type == SHIELD && !who->flag [FLAG_USE_SHIELD])
3221 retval |= CAN_APPLY_RESTRICTION; 1347 retval |= CAN_APPLY_RESTRICTION;
3222 1348
3223 if (who->type != PLAYER) 1349 if (who->type != PLAYER)
3224 { 1350 {
3225 if ((op->type == WAND || op->type == HORN || op->type == ROD) && !QUERY_FLAG (who, FLAG_USE_RANGE)) 1351 if ((op->type == WAND || op->type == HORN || op->type == ROD) && !who->flag [FLAG_USE_RANGE])
3226 retval |= CAN_APPLY_RESTRICTION; 1352 retval |= CAN_APPLY_RESTRICTION;
3227 1353
3228 if (op->type == BOW && !QUERY_FLAG (who, FLAG_USE_BOW)) 1354 if (op->type == BOW && !who->flag [FLAG_USE_BOW])
3229 retval |= CAN_APPLY_RESTRICTION; 1355 retval |= CAN_APPLY_RESTRICTION;
3230 1356
3231 if (op->type == RING && !QUERY_FLAG (who, FLAG_USE_RING)) 1357 if (op->type == RING && !who->flag [FLAG_USE_RING])
3232 retval |= CAN_APPLY_RESTRICTION; 1358 retval |= CAN_APPLY_RESTRICTION;
3233 1359
3234 if (op->type == BOW && !QUERY_FLAG (who, FLAG_USE_BOW)) 1360 if (op->type == BOW && !who->flag [FLAG_USE_BOW])
3235 retval |= CAN_APPLY_RESTRICTION; 1361 retval |= CAN_APPLY_RESTRICTION;
3236 } 1362 }
3237 1363
3238 return retval; 1364 return retval;
3239} 1365}
… …
3263 */ 1389 */
3264 1390
3265#define LACK_ITEM_POWER \ 1391#define LACK_ITEM_POWER \
3266 " H<You lack enough unused item power to use this weapon, see the skills command.>" 1392 " H<You lack enough unused item power to use this weapon, see the skills command.>"
3267 1393
3268int 1394static bool
3269apply_special (object *who, object *op, int aflags) 1395apply_special (object *who, object *op, int aflags)
3270{ 1396{
3271 int basic_flag = aflags & AP_BASIC_FLAGS; 1397 int basic_flag = aflags & AP_MODE;
3272 object *tmp, *tmp2, *skop = NULL; 1398 object *tmp, *skop = NULL;
3273
3274 if (who == NULL)
3275 {
3276 LOG (llevError, "apply_special() from object without environment.\n");
3277 return 1;
3278 }
3279
3280 if (op->env != who)
3281 return 1; /* op is not in inventory */
3282 1399
3283 /* trying to unequip op */ 1400 /* trying to unequip op */
3284 if (QUERY_FLAG (op, FLAG_APPLIED)) 1401 if (op->flag [FLAG_APPLIED])
3285 { 1402 {
3286 /* always apply, so no reason to unapply */ 1403 /* always apply, so no reason to unapply */
3287 if (basic_flag == AP_APPLY) 1404 if (basic_flag == AP_APPLY)
3288 return 0; 1405 return 0;
3289 1406
3290 if (!(aflags & AP_IGNORE_CURSE) && (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED)))
3291 {
3292 who->failmsg (format ("No matter how hard you try, you just can't remove %s." CANNOT_REMOVE_CURSED, query_name (op)));
3293 return 1;
3294 }
3295
3296 return unapply_special (who, op, aflags); 1407 return unapply_special (who, op, aflags);
3297 } 1408 }
3298 else if (basic_flag == AP_UNAPPLY) 1409 else if (basic_flag == AP_UNAPPLY)
3299 return 0; 1410 return 0;
3300 1411
3301 // if the item is combat/ranged, wield the relevant slot first
3302 // to resolve conflicts.
3303 if (player *pl = who->contr)
3304 switch (op->slottype ())
3305 {
3306 case slot_combat: who->change_weapon (pl->combat_ob); break;
3307 case slot_ranged: who->change_weapon (pl->ranged_ob); break;
3308 }
3309
3310 splay (op); 1412 splay (op);
3311 1413
3312 /* Can't just apply this object. Lets see what not and what to do */ 1414 /* Can't just apply this object. Lets see what not and what to do */
3313 if (int i = can_apply_object (who, op)) 1415 if (int i = can_apply_object (who, op))
3314 { 1416 {
3315 if (i & CAN_APPLY_NEVER) 1417 if (i & CAN_APPLY_NEVER)
3316 { 1418 {
3317 who->failmsg (format ("You don't have the body to use a %s. H<You can never apply this item.>", query_name (op))); 1419 who->failmsgf ("You don't have the body to use a %s. H<You can never apply this item.>", query_name (op));
3318 return 1; 1420 return 1;
3319 } 1421 }
3320 else if (i & CAN_APPLY_RESTRICTION) 1422 else if (i & CAN_APPLY_RESTRICTION)
3321 { 1423 {
3322 who->failmsg (format ( 1424 who->failmsgf (
3323 "You have a prohibition against using a %s. " 1425 "You have a prohibition against using a %s. "
3324 "H<Your belief, profession or class prevents you from applying this item.>", 1426 "H<Your belief, profession or class prevents you from applying this item.>",
3325 query_name (op) 1427 query_name (op)
3326 )); 1428 );
3327 return 1; 1429 return 1;
3328 } 1430 }
3329 1431
3330 if (who->type != PLAYER) 1432 if (who->type != PLAYER)
3331 { 1433 {
… …
3347 } 1449 }
3348 } 1450 }
3349 1451
3350 if (op->skill && op->type != SKILL && op->type != SKILL_TOOL) 1452 if (op->skill && op->type != SKILL && op->type != SKILL_TOOL)
3351 { 1453 {
1454 // try to ready attached skill first
3352 skop = find_skill_by_name (who, op->skill); 1455 skop = find_skill_by_name (who, op->skill);
3353 1456
3354 if (!skop) 1457 if (!skop)
3355 { 1458 {
3356 who->failmsg (format ("You need the %s skill to use this item!", &op->skill)); 1459 who->failmsgf ("You need the %s skill to use this item!", &op->skill);
3357 return 1; 1460 return 1;
3358 } 1461 }
3359 else 1462 else if (!who->apply (skop, AP_APPLY | AP_NO_SLOT))
3360 /* While experience will be credited properly, we want to change the
3361 * skill so that the dam and wc get updated
3362 */ 1463 {
3363 who->change_skill (skop); 1464 who->failmsgf ("You can't use the required %s skill!", &op->skill);
1465 return 1;
1466 }
3364 } 1467 }
3365 1468
3366 if (!check_item_power (who, op->item_power)) 1469 if (!check_item_power (who, op->item_power))
3367 { 1470 {
3368 who->failmsg ("Equipping that combined with other items would consume your soul!" LACK_ITEM_POWER); 1471 who->failmsg ("Equipping that combined with other items would consume your soul!" LACK_ITEM_POWER);
… …
3371 1474
3372 /* Ok. We are now at the state where we can apply the new object. 1475 /* Ok. We are now at the state where we can apply the new object.
3373 * Note that we don't have the checks for can_use_... 1476 * Note that we don't have the checks for can_use_...
3374 * below - that is already taken care of by can_apply_object. 1477 * below - that is already taken care of by can_apply_object.
3375 */ 1478 */
1479
1480 // split away all the other items from the stack, so only one item is left
3376 tmp = op->nrof > 1 ? op->split (op->nrof - 1) : 0; 1481 tmp = op->nrof > 1 ? op->split (op->nrof - 1) : 0;
3377 1482
3378 if (INVOKE_OBJECT (BE_READY, op, ARG_OBJECT (who)) || INVOKE_OBJECT (READY, who, ARG_OBJECT (op))) 1483 if (INVOKE_OBJECT (BE_READY, op, ARG_OBJECT (who)) || INVOKE_OBJECT (READY, who, ARG_OBJECT (op)))
3379 return RESULT_INT (0); 1484 return RESULT_INT (0);
3380 1485
3381 switch (op->type) 1486 switch (op->type)
3382 { 1487 {
3383 case WEAPON: 1488 case WEAPON:
3384 //TODO: this obviously fails for players using a shorter prefix 1489 if (op->level && (!op->name.starts_with (who->name) || op->name [who->name.length ()] != '\''))
3385 // i.e. "R" can use Ragnarok's sword.
3386 if (op->level && !op->name.starts_with (who->name))
3387 { 1490 {
3388 /* if the weapon does not have the name as the character, can't use it. */ 1491 /* if the weapon does not have the name as the character, can't use it. */
3389 /* (Ragnarok's sword attempted to be used by Foo: won't work) */ 1492 /* (Ragnarok's sword attempted to be used by Foo: won't work) */
3390 who->failmsg ("The weapon does not recognize you as its owner. H<Its name indicates that it belongs to somebody else.>"); 1493 who->failmsg ("The weapon does not recognize you as its owner. "
3391 1494 "H<Its name indicates that it belongs to somebody else.>");
3392 if (tmp) 1495 if (tmp) who->insert (tmp);
3393 insert_ob_in_ob (tmp, who);
3394
3395 return 1; 1496 return 1;
3396 } 1497 }
3397 1498
3398 if (!skop) 1499 op->flag [FLAG_APPLIED] = true;
1500
1501 if (player *pl = who->contr)
3399 { 1502 {
3400 who->failmsg (format ("The %s is broken, please report this to the dungeon master!", query_name (op)));//TODO 1503 who->statusmsg (format ("You wield %s.", query_name (op)));
3401 return 1; 1504 change_abil (who, op);
3402 } 1505 }
3403 1506
3404 SET_FLAG (op, FLAG_APPLIED); 1507 op->flag [FLAG_READY_WEAPON] = true;
3405 who->change_skill (skop);
3406
3407 if (who->contr)
3408 who->change_weapon (who->contr->combat_ob = op);
3409
3410 who->statusmsg (format ("You wield %s.", query_name (op)));
3411
3412 SET_FLAG (who, FLAG_READY_WEAPON);
3413 change_abil (who, op);
3414 break; 1508 break;
3415 1509
3416 case ARMOUR: 1510 case ARMOUR:
3417 case HELMET: 1511 case HELMET:
3418 case SHIELD: 1512 case SHIELD:
… …
3421 case GIRDLE: 1515 case GIRDLE:
3422 case BRACERS: 1516 case BRACERS:
3423 case CLOAK: 1517 case CLOAK:
3424 case RING: 1518 case RING:
3425 case AMULET: 1519 case AMULET:
3426 SET_FLAG (op, FLAG_APPLIED); 1520 op->set_flag (FLAG_APPLIED);
3427 who->statusmsg (format ("You wear %s.", query_name (op))); 1521 who->statusmsg (format ("You wear %s.", query_name (op)));
3428 change_abil (who, op); 1522 change_abil (who, op);
3429 break; 1523 break;
3430 1524
3431 case SKILL_TOOL: 1525 case SKILL_TOOL:
3432 // applying a skill tool also readies the skill 1526 // applying a skill tool does not ready the skill
3433 SET_FLAG (op, FLAG_APPLIED); 1527 // if something needs the skill, it has to ready it itself
3434 1528 //TODO: unapplying should unapply the skill, though
3435 if (!(aflags & AP_NO_READY))
3436 {
3437 skop = find_skill_by_name (who, op->skill);
3438 if (!skop->flag [FLAG_APPLIED]) 1529 op->set_flag (FLAG_APPLIED);
3439 apply_special (who, skop, AP_APPLY);
3440 }
3441 break; 1530 break;
3442 1531
3443 case SKILL: 1532 case SKILL:
3444 if (player *pl = who->contr) 1533 if (who->contr)
3445 {
3446 if (IS_COMBAT_SKILL (op->subtype))
3447 {
3448 if (skill_flags [op->subtype] & SF_NEED_WEAPON)
3449 {
3450 for (object *item = who->inv; item; item = item->below)
3451 if (item->type == WEAPON && item->flag [FLAG_APPLIED])
3452 {
3453 if (item->skill == op->skill)
3454 {
3455 who->change_weapon (pl->combat_ob = item);
3456 goto found_weapon;
3457 }
3458 }
3459
3460 who->failmsg (format (
3461 "You need to apply a '%s' melee weapon before readying this skill. "
3462 "H<Some skills need an item, in this case a melee weapon, to function.>",
3463 &op->skill
3464 ));
3465 return 1;
3466
3467 found_weapon:;
3468 }
3469 else
3470 who->change_weapon (pl->combat_ob = op);
3471 }
3472 else if (IS_RANGED_SKILL (op->subtype))
3473 {
3474 if (skill_flags [op->subtype] & SF_NEED_BOW)
3475 {
3476 for (object *item = who->inv; item; item = item->below)
3477 if (item->type == BOW && item->flag [FLAG_APPLIED])
3478 {
3479 //TODO: bows should/must all have skill missile weapon right now
3480 who->change_weapon (pl->ranged_ob = item);
3481 goto found_bow;
3482 }
3483
3484 who->failmsg (
3485 "You need to apply a missile weapon before readying this skill. "
3486 "H<Some skills need an item, in this case a missile weapon, to function.>"
3487 );
3488 return 1;
3489
3490 found_bow:;
3491 }
3492 else
3493 who->change_weapon (pl->ranged_ob = op);
3494 }
3495
3496 if (!op->invisible) 1534 if (op->invisible)
3497 { 1535 who->statusmsg (format ("You can now use the %s skill.", &op->skill));
3498 who->statusmsg (format (
3499 "You ready %s."
3500 "You can now use the skill: %s.",
3501 query_name (op),
3502 &op->skill
3503 ));
3504 }
3505 else 1536 else
3506 who->statusmsg (format ("Readied skill: %s.", op->skill ? &op->skill : &op->name)); 1537 who->statusmsg (format ("You ready %s.", query_name (op)));
3507 } 1538
3508 else 1539 who->set_flag (FLAG_READY_SKILL);
3509 { 1540 op->set_flag (FLAG_APPLIED);
3510 SET_FLAG (op, FLAG_APPLIED);
3511 change_abil (who, op); 1541 change_abil (who, op);
3512 who->chosen_skill = op;
3513 SET_FLAG (who, FLAG_READY_SKILL);
3514 }
3515
3516 break; 1542 break;
3517 1543
3518 case BOW: 1544 case BOW:
3519 if (op->level && !op->name.starts_with (who->name)) 1545 if (op->level && (!op->name.starts_with (who->name) || op->name [who->name.length ()] != '\''))
3520 { 1546 {
3521 who->failmsg ("The weapon does not recognize you as its owner. " 1547 who->failmsg ("The weapon does not recognize you as its owner. "
3522 "H<Its name indicates that it belongs to somebody else.>"); 1548 "H<Its name indicates that it belongs to somebody else.>");
3523 if (tmp) 1549 if (tmp) who->insert (tmp);
3524 insert_ob_in_ob (tmp, who);
3525
3526 return 1; 1550 return 1;
3527 } 1551 }
1552
1553 if (player *pl = who->contr)
1554 {
1555 op->flag [FLAG_APPLIED] = true;
1556 who->statusmsg (format ("You wield the %s.", query_name (op)));
1557 change_abil (who, op);
1558 }
1559 break;
1560
1561 case RANGED:
1562 if (player *pl = who->contr)
1563 {
1564 op->flag [FLAG_APPLIED] = true;
1565 who->statusmsg (format ("You applied the %s.", query_name (op)));
1566 }
1567 break;
1568
1569 case SPELL:
1570 if (player *pl = who->contr)
1571 {
1572 op->flag [FLAG_APPLIED] = true;
1573 who->statusmsg (format ("You ready the spell %s.", query_name (op)));
1574 }
1575 break;
3528 1576
3529 /*FALLTHROUGH*/ 1577 /*FALLTHROUGH*/
3530 case WAND: 1578 case WAND:
3531 case ROD: 1579 case ROD:
3532 case HORN: 1580 case HORN:
3533 /* check for skill, alter player status */ 1581 op->flag [FLAG_APPLIED] = true;
3534 1582
3535 if (!skop) 1583 if (player *pl = who->contr)
3536 { 1584 {
3537 who->failmsg (format ("The %s is broken, please report this to the dungeon master!", query_name (op)));//TODO
3538 return 1;
3539 }
3540
3541 SET_FLAG (op, FLAG_APPLIED);
3542 who->change_skill (skop);
3543
3544 if (who->contr)
3545 {
3546 who->contr->ranged_ob = op;
3547
3548 who->statusmsg (format ("You ready %s.", query_name (op))); 1585 who->statusmsg (format ("You ready %s.", query_name (op)));
3549 1586
3550 if (op->type == BOW) 1587 if (op->type == BOW)
3551 {
3552 who->current_weapon = op;
3553 change_abil (who, op);
3554 who->statusmsg (format ("You will now fire %s with %s.", op->race ? &op->race : "nothing", query_name (op))); 1588 who->statusmsg (format ("You will now fire %s with %s.", op->race ? &op->race : "nothing", query_name (op)));
3555 } 1589
1590 change_abil (who, op);
3556 } 1591 }
3557 else 1592 else
3558 { 1593 {
3559 if (op->type == BOW) 1594 if (op->type == BOW)
3560 SET_FLAG (who, FLAG_READY_BOW); 1595 op->flag [FLAG_READY_BOW ] = true;
3561 else 1596 else
3562 SET_FLAG (who, FLAG_READY_RANGE); 1597 op->flag [FLAG_READY_RANGE] = true;
3563 } 1598 }
3564 1599
3565 break; 1600 break;
3566 1601
3567 case BUILDER: 1602 case BUILDER:
3568 if (who->type == PLAYER) 1603 if (player *pl = who->contr)
3569 { 1604 {
3570 //TODO: wtf does this do? shouldn't this be managed automatically (slots?)
3571 if (who->contr->ranged_ob && who->contr->ranged_ob->type == BUILDER)
3572 unapply_special (who, who->contr->ranged_ob, 0);
3573
3574 who->statusmsg (format ("You ready your %s.", query_name (op))); 1605 who->statusmsg (format ("You ready your %s.", query_name (op)));
3575 1606 //TODO: change_abil?
3576 who->contr->ranged_ob = op;
3577 } 1607 }
3578 break; 1608 break;
3579 1609
3580 default: 1610 default:
3581 who->statusmsg (format ("You apply %s.", query_name (op))); 1611 who->statusmsg (format ("You apply %s.", query_name (op)));
3582 } 1612 }
3583 1613
3584 SET_FLAG (op, FLAG_APPLIED); 1614 op->set_flag (FLAG_APPLIED);
3585 1615
3586 if (tmp)
3587 who->insert (tmp); 1616 if (tmp) who->insert (tmp);
3588 1617
3589 who->update_stats (); 1618 who->update_stats ();
3590 1619
3591 /* We exclude spell casting objects. The fire code will set the 1620 /* We exclude spell casting objects. The fire code will set the
3592 * been applied flag when they are used - until that point, 1621 * been applied flag when they are used - until that point,
3593 * you don't know anything about them. 1622 * you don't know anything about them.
3594 */ 1623 */
3595 if (who->type == PLAYER && op->type != WAND && op->type != HORN && op->type != ROD) 1624 if (who->type == PLAYER && op->type != WAND && op->type != HORN && op->type != ROD)
3596 SET_FLAG (op, FLAG_BEEN_APPLIED); 1625 op->set_flag (FLAG_BEEN_APPLIED);
3597 1626
3598 if (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED)) 1627 if (op->flag [FLAG_CURSED] || op->flag [FLAG_DAMNED])
3599 if (who->type == PLAYER) 1628 if (who->type == PLAYER)
3600 { 1629 {
3601 who->failmsg ( 1630 who->failmsg (
3602 "Oops, it feels deadly cold! " 1631 "Oops, it feels deadly cold! "
3603 "H<Maybe it wasn't such a bright idea to apply this cursed or damned item.>" 1632 "H<Maybe it wasn't such a bright idea to apply this cursed or damned item.>"
3604 ); 1633 );
3605 SET_FLAG (op, FLAG_KNOWN_CURSED); 1634 op->set_flag (FLAG_KNOWN_CURSED);
3606 } 1635 }
3607 1636
3608 if (object *pl = op->visible_to ()) 1637 if (object *pl = op->visible_to ())
3609 esrv_send_item (pl, op); 1638 esrv_send_item (pl, op);
3610 1639
3611 return 0; 1640 return 0;
3612} 1641}
3613 1642
1643/**
1644 * Check if op should abort moving victim because of it's race or slaying.
1645 * Returns 1 if it should abort, returns 0 if it should continue.
1646 */
3614int 1647int
3615monster_apply_special (object *who, object *op, int aflags) 1648should_director_abort (object *op, object *victim)
3616{ 1649{
3617 if (QUERY_FLAG (op, FLAG_UNPAID) && !QUERY_FLAG (op, FLAG_APPLIED)) 1650 int arch_flag, name_flag, race_flag;
1651
1652 /* Get flags to determine what of arch, name, and race should be checked.
1653 * This is stored in subtype, and is a bitmask, the LSB is the arch flag,
1654 * the next is the name flag, and the last is the race flag. Also note,
1655 * if subtype is set to zero, that also goes to defaults of all affecting
1656 * it. Examples:
1657 * subtype 1: only arch
1658 * subtype 3: arch or name
1659 * subtype 5: arch or race
1660 * subtype 7: all three
1661 */
1662 if (op->subtype)
1663 {
1664 arch_flag = op->subtype & 1;
1665 name_flag = op->subtype & 2;
1666 race_flag = op->subtype & 4;
1667 }
1668 else
1669 {
1670 arch_flag = 1;
1671 name_flag = 1;
1672 race_flag = 1;
1673 }
1674
1675 /* If the director has race set, only affect objects with a arch,
1676 * name or race that matches.
1677 */
1678 if ((op->race) &&
1679 ((!(victim->arch && arch_flag && victim->arch->archname) || op->race != victim->arch->archname)) &&
1680 ((!(victim->name && name_flag) || op->race != victim->name)) &&
1681 ((!(victim->race && race_flag) || op->race != victim->race)))
3618 return 1; 1682 return 1;
3619 1683
1684 /* If the director has slaying set, only affect objects where none
1685 * of arch, name, or race match.
1686 */
1687 if ((op->slaying) && (((victim->arch && arch_flag && victim->arch->archname && op->slaying == victim->arch->archname))) ||
1688 ((victim->name && name_flag && op->slaying == victim->name)) ||
1689 ((victim->race && race_flag && op->slaying == victim->race)))
1690 return 1;
1691
1692 return 0;
1693}
1694
1695/**
1696 * This handles a player dropping money on an altar to identify stuff.
1697 * It'll identify marked item, if none all items up to dropped money.
1698 * Return value: 1 if money was destroyed, 0 if not.
1699 */
1700static int
1701apply_id_altar (object *money, object *altar, object *pl)
1702{
1703 dynbuf_text &buf = msg_dynbuf; buf.clear ();
1704
1705 if (!pl || pl->type != PLAYER)
1706 return 0;
1707
1708 /* Check for MONEY type is a special hack - it prevents 'nothing needs
1709 * identifying' from being printed out more than it needs to be.
1710 */
1711 if (!check_altar_sacrifice (altar, money, pl) || money->type != MONEY)
1712 return 0;
1713
1714 /* if the player has a marked item, identify that if it needs to be
1715 * identified. If it doesn't, then go through the player inventory.
1716 */
1717 if (object *marked = pl->mark ())
1718 if (!marked->flag [FLAG_IDENTIFIED] && marked->need_identify ())
1719 {
1720 if (operate_altar (altar, &money, pl))
1721 {
1722 identify (marked);
1723
1724 buf.printf ("You have %s.\r", long_desc (marked, pl));
1725 if (marked->msg)
1726 buf << "The item has a story:\r" << marked->msg << "\n\n";
1727
1728 return !money;
1729 }
1730 }
1731
1732 for (object *id = pl->inv; id; id = id->below)
1733 {
1734 if (!id->flag [FLAG_IDENTIFIED] && !id->invisible && id->need_identify ())
1735 {
1736 if (operate_altar (altar, &money, pl))
1737 {
1738 identify (id);
1739
1740 buf.printf ("You have %s.\r", long_desc (id, pl));
1741 if (id->msg)
1742 buf << "The item has a story:\r" << id->msg << "\n\n";
1743
1744 /* If no more money, might as well quit now */
1745 if (!money || !check_altar_sacrifice (altar, money))
1746 break;
1747 }
1748 else
1749 {
1750 LOG (llevError, "check_id_altar: Couldn't do sacrifice when we should have been able to\n");
1751 break;
1752 }
1753 }
1754 }
1755
1756 if (buf.empty ())
1757 pl->failmsg ("You have nothing that needs identifying");
1758 else
1759 pl->contr->infobox (MSG_CHANNEL ("identify"), buf);
1760
1761 return !money;
1762}
1763
1764/**
1765 * This checks whether the object has a "on_use_yield" field, and if so generated and drops
1766 * matching item.
1767 **/
1768void
1769handle_apply_yield (object *tmp)
1770{
1771 if (shstr_tmp yield = tmp->kv [shstr_on_use_yield])
1772 archetype::get (yield)->insert_at (tmp, tmp, INS_BELOW_ORIGINATOR);
1773}
1774
1775/**
1776 * Handles applying a potion.
1777 */
1778int
1779apply_potion (object *op, object *tmp)
1780{
1781 int got_one = 0, i;
1782 object *force = 0;
1783
1784 if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_SAFE)
1785 {
1786 op->failmsg ("Gods prevent you from using this here, it's sacred ground!");
1787
1788 tmp->clr_flag (FLAG_APPLIED);
1789 return 0;
1790 }
1791
1792 if (op->type == PLAYER)
1793 if (!tmp->flag [FLAG_IDENTIFIED])
1794 identify (tmp);
1795
1796 handle_apply_yield (tmp);
1797
1798 /* Potion of restoration - only for players */
1799 if (op->type == PLAYER && (tmp->attacktype & AT_DEPLETE))
1800 {
1801 object *depl;
1802 archetype *at;
1803
1804 if (tmp->flag [FLAG_CURSED] || tmp->flag [FLAG_DAMNED])
1805 {
1806 op->drain_stat ();
1807 op->update_stats ();
1808 tmp->decrease ();
1809 return 1;
1810 }
1811
1812 if (!(at = archetype::find (shstr_depletion)))
1813 {
1814 LOG (llevError, "Could not find archetype depletion\n");
1815 return 0;
1816 }
1817
1818 depl = present_arch_in_ob (at, op);
1819
1820 if (depl)
1821 {
1822 for (i = 0; i < NUM_STATS; i++)
1823 if (depl->stats.stat (i))
1824 op->statusmsg (restore_msg[i]);
1825
1826 depl->destroy ();
1827 op->update_stats ();
1828 }
1829 else
1830 op->statusmsg ("Your potion had no effect.");
1831
1832 tmp->decrease ();
1833 return 1;
1834 }
1835
1836 /* improvement potion - only for players */
1837 if (op->type == PLAYER && (tmp->attacktype & AT_GODPOWER))
1838 {
1839 for (i = 1; i < min (11, op->level); i++)
1840 {
1841 if (tmp->flag [FLAG_CURSED] || tmp->flag [FLAG_DAMNED])
1842 {
1843 if (op->contr->levhp[i] != 1)
1844 {
1845 op->contr->levhp[i] = 1;
1846 break;
1847 }
1848
1849 if (op->contr->levsp[i] != 1)
1850 {
1851 op->contr->levsp[i] = 1;
1852 break;
1853 }
1854
1855 if (op->contr->levgrace[i] != 1)
1856 {
1857 op->contr->levgrace[i] = 1;
1858 break;
1859 }
1860 }
1861 else
1862 {
1863 if (op->contr->levhp[i] < 9)
1864 {
1865 op->contr->levhp[i] = 9;
1866 break;
1867 }
1868
1869 if (op->contr->levsp[i] < 6)
1870 {
1871 op->contr->levsp[i] = 6;
1872 break;
1873 }
1874
1875 if (op->contr->levgrace[i] < 3)
1876 {
1877 op->contr->levgrace[i] = 3;
1878 break;
1879 }
1880 }
1881 }
1882
1883 /* Just makes checking easier */
1884 if (i < min (11, op->level))
1885 got_one = 1;
1886
1887 if (!tmp->flag [FLAG_CURSED] && !tmp->flag [FLAG_DAMNED])
1888 {
1889 if (got_one)
1890 {
1891 op->update_stats ();
1892 op->statusmsg ("The Gods smile upon you and remake you "
1893 "a little more in their image. "
1894 "You feel a little more perfect.", NDI_GREEN);
1895 }
1896 else
1897 op->statusmsg ("The potion had no effect - you are already perfect.");
1898 }
1899 else
1900 { /* cursed potion */
1901 if (got_one)
1902 {
1903 op->update_stats ();
1904 op->failmsg ("The Gods are angry and punish you.");
1905 }
1906 else
1907 op->statusmsg ("You are fortunate that you are so pathetic.", NDI_DK_ORANGE);
1908 }
1909
1910 tmp->decrease ();
1911 return 1;
1912 }
1913
1914
1915 /* A potion that casts a spell. Healing, restore spellpoint (power potion)
1916 * and heroism all fit into this category. Given the spell object code,
1917 * there is no limit to the number of spells that potions can be cast,
1918 * but direction is problematic to try and imbue fireball potions for example.
1919 */
1920 if (tmp->inv)
1921 {
1922 if (tmp->flag [FLAG_CURSED] || tmp->flag [FLAG_DAMNED])
1923 {
1924 op->failmsg ("Yech! Your lungs are on fire!");
1925 create_exploding_ball_at (op, op->level);
1926 }
1927 else
1928 cast_spell (op, tmp, op->facing, tmp->inv, NULL);
1929
1930 tmp->decrease ();
1931
1932 /* if youre dead, no point in doing this... */
1933 if (!op->flag [FLAG_REMOVED])
1934 op->update_stats ();
1935
1936 return 1;
1937 }
1938
1939 /* Deal with protection potions */
1940 force = NULL;
1941 for (i = 0; i < NROFATTACKS; i++)
1942 {
1943 if (tmp->resist[i])
1944 {
1945 if (!force)
1946 force = archetype::get (FORCE_NAME);
1947
1948 memcpy (force->resist, tmp->resist, sizeof (tmp->resist));
1949 force->type = POTION_EFFECT;
1950 break; /* Only need to find one protection since we copy entire batch */
1951 }
1952 }
1953
1954 /* This is a protection potion */
1955 if (force)
1956 {
1957 /* cursed items last longer */
1958 if (tmp->flag [FLAG_CURSED] || tmp->flag [FLAG_DAMNED])
1959 {
1960 force->stats.food *= 10;
1961 for (i = 0; i < NROFATTACKS; i++)
1962 if (force->resist[i] > 0)
1963 force->resist[i] = -force->resist[i]; /* prot => vuln */
1964 }
1965
1966 force->speed_left = -1;
1967 force = insert_ob_in_ob (force, op);
1968 tmp->clr_flag (FLAG_APPLIED);
1969 force->set_flag (FLAG_APPLIED);
1970 change_abil (op, force);
1971 tmp->decrease ();
1972 return 1;
1973 }
1974
1975 /* Only thing left are the stat potions */
1976 if (op->type == PLAYER)
1977 { /* only for players */
1978 if ((tmp->flag [FLAG_CURSED]
1979 || tmp->flag [FLAG_DAMNED])
1980 && tmp->value != 0)
1981 tmp->clr_flag (FLAG_APPLIED);
1982 else
1983 tmp->set_flag (FLAG_APPLIED);
1984
1985 if (!change_abil (op, tmp))
1986 op->statusmsg ("Nothing happened.");
1987 }
1988
1989 /* CLEAR_FLAG is so that if the character has other potions
1990 * that were grouped with the one consumed, his
1991 * stat will not be raised by them. fix_player just clears
1992 * up all the stats.
1993 */
1994 tmp->clr_flag (FLAG_APPLIED);
1995 op->update_stats ();
1996 tmp->decrease ();
1997 return 1;
1998}
1999
2000/**
2001 * 'victim' moves onto 'trap'
2002 * 'victim' leaves 'trap'
2003 * effect is determined by move_on/move_off of trap and move_type of victime.
2004 *
2005 * originator: Player, monster or other object that caused 'victim' to move
2006 * onto 'trap'. Will receive messages caused by this action. May be NULL.
2007 * However, some types of traps require an originator to function.
2008 */
2009void
2010move_apply (object *trap, object *victim, object *originator)
2011{
2012 static int recursion_depth = 0;
2013
2014 trap = trap->head_ ();
2015
2016 /* Only exits affect DMs. */
2017 if (victim->flag [FLAG_WIZPASS] && trap->type != EXIT && trap->type != SIGN)
2018 return;
2019
2020 /* move_apply() is the most likely candidate for causing unwanted and
2021 * possibly unlimited recursion.
2022 */
2023
2024 /* The following was changed because it was causing perfectly correct
2025 * maps to fail. 1) it's not an error to recurse:
2026 * rune detonates, summoning monster. monster lands on nearby rune.
2027 * nearby rune detonates. This sort of recursion is expected and
2028 * proper. This code was causing needless crashes.
2029 */
2030 if (recursion_depth >= 500)
2031 {
2032 LOG (llevDebug, "WARNING: move_apply(): aborting recursion "
2033 "[trap arch %s, name %s; victim arch %s, name %s]\n", &trap->arch->archname, &trap->name, &victim->arch->archname, &victim->name);
2034 return;
2035 }
2036
2037 recursion_depth++;
2038
2039 if (!INVOKE_OBJECT (MOVE_TRIGGER, trap, ARG_OBJECT (victim), ARG_OBJECT (originator)))
2040 switch (trap->type)
2041 {
2042 case PLAYERMOVER:
2043 if (trap->attacktype && (trap->level || victim->type != PLAYER) && !should_director_abort (trap, victim))
2044 {
2045 if (!trap->stats.maxsp)
2046 trap->stats.maxsp = 2;
2047
2048 /* Is this correct? From the docs, it doesn't look like it
2049 * should be divided by trap->speed
2050 */
2051 victim->speed_left = -trap->stats.maxsp * victim->speed / trap->speed;
2052
2053 /* Just put in some sanity check. I think there is a bug in the
2054 * above with some objects have zero speed, and thus the player
2055 * getting permanently paralyzed.
2056 */
2057 victim->speed_left = max (-50.f, victim->speed_left);
2058 /* LOG(llevDebug, "apply, playermove, player speed_left=%f\n", victim->speed_left); */
2059 }
2060 break;
2061
2062 case SPINNER:
2063 if (victim->direction)
2064 {
2065 victim->direction = absdir (victim->direction - trap->stats.sp);
2066 update_turn_face (victim);
2067 }
2068 break;
2069
2070 case DIRECTOR:
2071 if (victim->direction && !should_director_abort (trap, victim))
2072 {
2073 victim->direction = trap->stats.sp;
2074 update_turn_face (victim);
2075 }
2076 break;
2077
2078 case BUTTON:
2079 case PEDESTAL:
2080 case T_MATCH:
2081 update_button (trap, originator);
2082 break;
2083
2084 case ALTAR:
2085 /* sacrifice victim on trap */
2086 apply_altar (trap, victim, originator);
2087 break;
2088
2089 case THROWN_OBJ:
2090 if (trap->inv == NULL)
2091 break;
2092 /* fallthrough */
2093
2094 case ARROW:
2095 /* bad bug: monster throw a object, make a step forwards, step on object ,
2096 * trigger this here and get hit by own missile - and will be own enemy.
2097 * Victim then is his own enemy and will start to kill herself (this is
2098 * removed) but we have not synced victim and his missile. To avoid senseless
2099 * action, we avoid hits here
2100 */
2101 if ((victim->flag [FLAG_ALIVE] && trap->has_active_speed ())
2102 && trap->owner != victim)
2103 hit_with_arrow (trap, victim);
2104 break;
2105
2106 case SPELL_EFFECT:
2107 apply_spell_effect (trap, victim);
2108 break;
2109
2110 case TRAPDOOR:
2111 {
2112 int max, sound_was_played;
2113 object *ab, *ab_next;
2114
2115 if (!trap->value)
2116 {
2117 int tot;
2118
2119 for (ab = trap->above, tot = 0; ab; ab = ab->above)
2120 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
2121 tot += ab->head_ ()->total_weight ();
2122
2123 if (!(trap->value = (tot > trap->weight) ? 1 : 0))
2124 break;
2125
2126 SET_ANIMATION (trap, trap->value);
2127 update_object (trap, UP_OBJ_FACE);
2128 }
2129
2130 for (ab = trap->above, max = 100, sound_was_played = 0; --max && ab; ab = ab_next)
2131 {
2132 /* need to set this up, since if we do transfer the object,
2133 * ab->above would be bogus
2134 */
2135 ab_next = ab->above;
2136
2137 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
2138 {
2139 if (!sound_was_played)
2140 {
2141 trap->play_sound (trap->sound ? trap->sound : sound_find ("fall_hole"));
2142 sound_was_played = 1;
2143 }
2144
2145 ab->statusmsg ("You fall into a trapdoor!", NDI_RED);
2146 transfer_ob (ab, EXIT_X (trap), EXIT_Y (trap), 0, ab);
2147 }
2148 }
2149 break;
2150 }
2151
2152 case CONVERTER:
2153 if (convert_item (victim, trap) < 0)
2154 {
2155 originator->failmsgf ("The %s seems to be broken!", query_name (trap));
2156 archetype::get (shstr_burnout)->insert_at (trap, trap);
2157 }
2158
2159 break;
2160
2161 case TRIGGER_BUTTON:
2162 case TRIGGER_PEDESTAL:
2163 case TRIGGER_ALTAR:
2164 check_trigger (trap, victim, originator);
2165 break;
2166
2167 case DEEP_SWAMP:
2168 walk_on_deep_swamp (trap, victim);
2169 break;
2170
2171 case CHECK_INV:
2172 check_inv (victim, trap);
2173 break;
2174
2175 case HOLE:
2176 move_apply_hole (trap, victim);
2177 break;
2178
2179 case EXIT:
2180 if (victim->type == PLAYER && EXIT_PATH (trap))
2181 {
2182 /* Basically, don't show exits leading to random maps the
2183 * players output.
2184 */
2185 if (trap->msg && EXIT_PATH (trap) != shstr_random_map_exit)
2186 victim->statusmsg (trap->msg, NDI_NAVY);
2187
2188 trap->play_sound (trap->sound);
2189 victim->enter_exit (trap);
2190 }
2191 break;
2192
2193 case ENCOUNTER:
2194 /* may be some leftovers on this */
2195 break;
2196
2197 case SHOP_MAT:
2198 apply_shop_mat (trap, victim);
2199 break;
2200
2201 /* Drop a certain amount of gold, and have one item identified */
2202 case IDENTIFY_ALTAR:
2203 apply_id_altar (victim, trap, originator);
2204 break;
2205
2206 case SIGN:
2207 if (victim->type != PLAYER && trap->stats.food > 0)
2208 break; /* monsters musn't apply magic_mouths with counters */
2209
2210 apply_sign (victim, trap, 1);
2211 break;
2212
2213 case CONTAINER:
2214 apply_container (victim, trap);
2215 break;
2216
2217 case RUNE:
2218 case TRAP:
2219 if (trap->level && victim->flag [FLAG_ALIVE])
2220 spring_trap (trap, victim);
2221 break;
2222
2223 default:
2224 LOG (llevDebug, "name %s, arch %s, type %d with fly/walk on/off not "
2225 "handled in move_apply()\n", &trap->name, &trap->arch->archname, trap->type);
2226 break;
2227 }
2228
2229 recursion_depth--;
2230}
2231
2232/**
2233 * Handles reading a regular (ie not containing a spell) book.
2234 */
2235static void
2236apply_book (object *op, object *tmp)
2237{
2238 int lev_diff;
2239 object *skill_ob;
2240
2241 if (op->flag [FLAG_BLIND] && !op->flag [FLAG_WIZ])
2242 {
2243 op->failmsg ("You are unable to read while blind!");
2244 return;
2245 }
2246
2247 if (!tmp->msg)
2248 {
2249 op->failmsgf ("The %s contains nothing but meaningless gibberish. H<There is nothing interesting to read here.>", &tmp->name);
2250 return;
2251 }
2252
2253 /* need a literacy skill to read stuff! */
2254 skill_ob = find_skill_by_name (op, tmp->skill);
2255 if (!skill_ob)
2256 {
2257 op->failmsgf ("You are unable to decipher the strange symbols. H<You lack the %s skill to read this.>", &tmp->skill);
2258 return;
2259 }
2260
2261 lev_diff = tmp->level - (skill_ob->level + 5);
2262 if (!op->flag [FLAG_WIZ] && lev_diff > 0)
2263 {
2264 op->failmsg (lev_diff < 2 ? "This book is just barely beyond your comprehension."
2265 : lev_diff < 3 ? "This book is slightly beyond your comprehension."
2266 : lev_diff < 5 ? "This book is beyond your comprehension."
2267 : lev_diff < 8 ? "This book is quite a bit beyond your comprehension."
2268 : lev_diff < 15 ? "This book is way beyond your comprehension."
2269 : "This book is totally beyond your comprehension.");
2270 return;
2271 }
2272
2273 // we currently don't use the message types for anything.
2274 // readable_message_type *msgType = get_readable_message_type (tmp);
2275
2276 tmp->play_sound (tmp->sound ? tmp->sound : sound_find ("apply_book"));
2277
2278 if (player *pl = op->contr)
2279 if (client *ns = pl->ns)
2280 pl->infobox (MSG_CHANNEL ("book"), format ("T<%s>\n\n%s", (char *)long_desc (tmp, op), &tmp->msg));
2281
2282 /* gain xp from reading */
2283 if (!tmp->flag [FLAG_NO_SKILL_IDENT])
2284 { /* only if not read before */
2285 int exp_gain = calc_skill_exp (op, tmp, skill_ob);
2286
2287 if (!tmp->flag [FLAG_IDENTIFIED])
2288 {
2289 /*exp_gain *= 2; because they just identified it too */
2290 tmp->set_flag (FLAG_IDENTIFIED);
2291
2292 if (object *pl = tmp->visible_to ())
2293 esrv_update_item (UPD_FLAGS | UPD_NAME, pl, tmp);
2294 }
2295
2296 change_exp (op, exp_gain, skill_ob->skill, 0);
2297 tmp->set_flag (FLAG_NO_SKILL_IDENT); /* so no more xp gained from this book */
2298 }
2299}
2300
2301/**
2302 * op made some mistake with a scroll, this takes care of punishment.
2303 * scroll_failure()- hacked directly from spell_failure
2304 */
2305static void
2306scroll_failure (object *op, int failure, int power)
2307{
2308 if (abs (failure / 4) > power)
2309 power = abs (failure / 4); /* set minimum effect */
2310
2311 if (failure <= -1 && failure > -15)
2312 { /* wonder */
2313 object *tmp;
2314
2315 op->failmsg ("Your spell warps!");
2316 tmp = archetype::get (SPELL_WONDER);
2317 cast_wonder (op, op, 0, tmp);
2318 tmp->destroy ();
2319 }
2320 else if (failure <= -15 && failure > -35)
2321 { /* drain mana */
2322 op->failmsg ("Your mana is drained!");
2323 op->stats.sp -= random_roll (0, power - 1, op, PREFER_LOW);
2324 if (op->stats.sp < 0)
2325 op->stats.sp = 0;
2326 }
2327 else if (settings.spell_failure_effects == TRUE)
2328 {
2329 if (failure <= -35 && failure > -60)
2330 { /* confusion */
2331 op->failmsg ("The magic recoils on you!");
2332 confuse_player (op, op, power);
2333 }
2334 else if (failure <= -60 && failure > -70)
2335 { /* paralysis */
2336 op->failmsg ("The magic recoils and paralyzes you!");
2337 paralyze_player (op, op, power);
2338 }
2339 else if (failure <= -70 && failure > -80)
2340 { /* blind */
2341 op->failmsg ("The magic recoils on you!");
2342 blind_player (op, op, power);
2343 }
2344 else if (failure <= -80)
2345 { /* blast the immediate area */
2346 object *tmp = archetype::get (LOOSE_MANA);
2347 cast_magic_storm (op, tmp, power);
2348 op->failmsg ("You unleash uncontrolled mana!");
2349 tmp->destroy ();
2350 }
2351 }
2352}
2353
2354/**
2355 * Handles the applying of a skill scroll, calling learn_skill straight.
2356 * op is the person learning the skill, tmp is the skill scroll object
2357 */
2358static void
2359apply_skillscroll (object *op, object *tmp)
2360{
2361 switch (learn_skill (op, tmp))
2362 {
2363 case 0:
2364 op->play_sound (sound_find ("generic_fail"));
2365 op->failmsgf ("You already possess the knowledge held within the %s.", query_name (tmp));
2366 break;
2367
2368 case 1:
2369 tmp->decrease ();
2370 op->play_sound (sound_find ("skill_learn"));
2371 op->statusmsg (format ("You succeed in learning %s", &tmp->skill));
2372 break;
2373
2374 default:
2375 tmp->decrease ();
2376 op->play_sound (sound_find ("generic_fail"));
2377 op->failmsgf ("You fail to learn the knowledge of the %s.\n", query_name (tmp));
2378 break;
2379 }
2380}
2381
2382/**
2383 * Actually makes op learn spell.
2384 * Informs player of what happens.
2385 */
2386void
2387do_learn_spell (object *op, object *spell, int special_prayer)
2388{
2389 object *tmp;
2390
2391 if (op->type != PLAYER)
2392 {
2393 LOG (llevError, "BUG: do_learn_spell(): not a player\n");
2394 return;
2395 }
2396
2397 /* Upgrade special prayers to normal prayers */
2398 if ((tmp = check_spell_known (op, spell->name)) != NULL)
2399 {
2400 if (special_prayer && !tmp->flag [FLAG_STARTEQUIP])
2401 {
2402 LOG (llevError, "BUG: do_learn_spell(): spell already known, but not marked as startequip\n");
2403 return;
2404 }
2405 return;
2406 }
2407
2408 op->contr->play_sound (sound_find ("learn_spell"));
2409
2410 tmp = spell->clone ();
2411 insert_ob_in_ob (tmp, op);
2412
2413 if (special_prayer)
2414 tmp->set_flag (FLAG_STARTEQUIP);
2415
2416 esrv_add_spells (op->contr, tmp);
2417}
2418
2419/**
2420 * Erases spell from player's inventory.
2421 */
2422void
2423do_forget_spell (object *op, const char *spell)
2424{
2425 object *spob;
2426
2427 if (op->type != PLAYER)
2428 {
2429 LOG (llevError, "BUG: do_forget_spell(): not a player\n");
2430 return;
2431 }
2432 if ((spob = check_spell_known (op, spell)) == NULL)
2433 {
2434 LOG (llevError, "BUG: do_forget_spell(): spell not known\n");
2435 return;
2436 }
2437
2438 op->failmsgf ("You lose knowledge of %s.", spell);
2439 esrv_remove_spell (op->contr, spob);
2440 spob->destroy ();
2441}
2442
2443/**
2444 * Handles player applying a spellbook.
2445 * Checks whether player has knowledge of required skill, doesn't already know the spell,
2446 * stuff like that. Random learning failure too.
2447 */
2448static void
2449apply_spellbook (object *op, object *tmp)
2450{
2451 object *skop, *spell, *spell_skill;
2452
2453 if (op->flag [FLAG_BLIND] && !op->flag [FLAG_WIZ])
2454 {
2455 op->failmsg ("You are unable to read while blind.");
2456 return;
2457 }
2458
2459 /* artifact_spellbooks have 'slaying' field point to a spell name,
2460 * instead of having their spell stored in stats.sp. These are
2461 * legacy spellbooks
2462 */
2463 if (tmp->slaying)
2464 {
2465 spell = find_archetype_by_object_name (tmp->slaying)->instance ();
2466
2467 if (!spell)
2468 {
2469 op->failmsgf ("The book's formula for %s is incomplete.", &tmp->slaying);
2470 return;
2471 }
2472 else
2473 insert_ob_in_ob (spell, tmp);
2474
2475 tmp->slaying = 0;
2476 }
2477
2478 skop = find_skill_by_name (op, tmp->skill);
2479
2480 /* need a literacy skill to learn spells. Also, having a literacy level
2481 * lower than the spell will make learning the spell more difficult */
2482 if (!skop)
2483 {
2484 op->failmsgf ("You can't read! Your attempt fails. H<You lack the %s skill.>", &tmp->skill);
2485 return;
2486 }
2487
2488 spell = tmp->inv;
2489
2490 if (!spell)
2491 {
2492 LOG (llevError, "apply_spellbook: Book %s has no spell in it!\n", &tmp->name);
2493 op->failmsg ("The spellbook symbols make no sense. This is a bug, please report!");
2494 return;
2495 }
2496
2497 int learn_level = sqrtf (spell->level) * 1.5f;
2498 if (skop->level < learn_level)
2499 {
2500 op->failmsgf ("You are unable to decipher the strange symbols. H<Your %s level is too low, it must be at least %d.>",
2501 &tmp->skill, learn_level);
2502 return;
2503 }
2504
2505 op->statusmsg (format ("The spellbook contains the %s level spell %s.", ordinal (spell->level), &spell->name));
2506
2507 if (!tmp->flag [FLAG_IDENTIFIED])
2508 identify (tmp);
2509
2510 /* I removed the check for special_prayer_mark here - it didn't make
2511 * a lot of sense - special prayers are not found in spellbooks, and
2512 * if the player doesn't know the spell, doesn't make a lot of sense that
2513 * they would have a special prayer mark.
2514 */
2515 if (check_spell_known (op, spell->name))
2516 {
2517 op->statusmsg ("You already know that spell. H<It makes no sense to learn spells twice, and would only waste the spellbook.>\n");
2518 return;
2519 }
2520
2521 if (spell->skill)
2522 {
2523 spell_skill = find_skill_by_name (op, spell->skill);
2524
2525 if (!spell_skill)
2526 {
2527 op->failmsgf ("You lack the %s skill to use this spell.", &spell->skill);
2528 return;
2529 }
2530
2531 if (spell_skill->level < spell->level)
2532 {
2533 op->failmsgf ("You need to be level %d in %s to learn this spell.", spell->level, &spell->skill);
2534 return;
2535 }
2536 }
2537
2538 /* Logic as follows
2539 *
2540 * 1- MU spells use Int to learn, Cleric spells use Wisdom
2541 *
2542 * 2- The learner's skill level in literacy adjusts the chance to learn
2543 * a spell.
2544 *
2545 * 3 -Automatically fail to learn if you read while confused
2546 *
2547 * Overall, chances are the same but a player will find having a high
2548 * literacy rate very useful! -b.t.
2549 */
2550 if (op->flag [FLAG_CONFUSED])
2551 {
2552 op->failmsg ("In your confused state you flub the wording of the text!");
2553 scroll_failure (op, 0 - random_roll (0, spell->level, op, PREFER_LOW), max (spell->stats.sp, spell->stats.grace));
2554 }
2555 else if (tmp->flag [FLAG_STARTEQUIP] ||
2556 (random_roll (0, 100, op, PREFER_LOW) - (5 * skop->level)) < learn_spell[spell->stats.grace ? op->stats.Wis : op->stats.Int])
2557 {
2558 op->statusmsg ("You succeed in learning the spell!", NDI_GREEN);
2559 do_learn_spell (op, spell, 0);
2560
2561 /* xp gain to literacy for spell learning */
2562 if (!tmp->flag [FLAG_STARTEQUIP])
2563 change_exp (op, calc_skill_exp (op, tmp, skop), skop->skill, 0);
2564 }
2565 else
2566 {
2567 op->contr->play_sound (sound_find ("fumble_spell"));
2568 op->failmsg ("You fail to learn the spell. H<Wis (priests) or Int (wizards) governs the chance of learning a prayer or spell.>\n");
2569 }
2570
2571 tmp->decrease ();
2572}
2573
2574/**
2575 * Handles applying a spell scroll.
2576 */
2577void
2578apply_scroll (object *op, object *tmp, int dir)
2579{
2580 object *skop;
2581
2582 if (op->flag [FLAG_BLIND] && !op->flag [FLAG_WIZ])
2583 {
2584 op->failmsg ("You are unable to read while blind.");
2585 return;
2586 }
2587
2588 if (!tmp->inv || tmp->inv->type != SPELL)
2589 {
2590 op->failmsg ("The scroll just doesn't make sense! H<...and never will make sense.>");
2591 return;
2592 }
2593
2594 if (op->type == PLAYER)
2595 {
2596 /* players need a literacy skill to read stuff! */
2597 int exp_gain = 0;
2598
2599 /* hard code literacy - tmp->skill points to where the exp
2600 * should go for anything killed by the spell.
2601 */
2602 skop = find_skill_by_name (op, shstr_literacy);
2603
2604 if (!skop)
2605 {
2606 op->failmsgf ("You are unable to decipher the strange symbols. H<You lack the literacy skill.>");
2607 return;
2608 }
2609
2610 if ((exp_gain = calc_skill_exp (op, tmp, skop)))
2611 change_exp (op, exp_gain, skop->skill, 0);
2612 }
2613
2614 if (!tmp->flag [FLAG_IDENTIFIED])
2615 identify (tmp);
2616
2617 op->statusmsg (format ("The scroll of %s turns to dust.", &tmp->inv->name));
2618
2619 cast_spell (op, tmp, dir, tmp->inv, NULL);
2620 tmp->decrease ();
2621}
2622
2623/**
2624 * Applies a treasure object - by default, chest. op
2625 * is the person doing the applying, tmp is the treasure
2626 * chest.
2627 */
2628static void
2629apply_treasure (object *op, object *tmp)
2630{
2631 /* Nice side effect of this treasure creation method is that the treasure
2632 * for the chest is done when the chest is created, and put into the chest
2633 * inventory. So that when the chest burns up, the items still exist. Also
2634 * prevents people from moving chests to more difficult maps to get better
2635 * treasure
2636 */
2637 object *treas = tmp->inv;
2638
2639 if (!treas)
2640 {
2641 op->statusmsg ("The chest was empty.");
2642 tmp->decrease ();
2643 return;
2644 }
2645
2646 while (tmp->inv)
2647 {
2648 treas = tmp->inv;
2649 treas->remove ();
2650
2651 treas->x = op->x;
2652 treas->y = op->y;
2653 treas = insert_ob_in_map (treas, op->map, op, INS_BELOW_ORIGINATOR);
2654
2655 if (treas && (treas->type == RUNE || treas->type == TRAP) && treas->level && op->flag [FLAG_ALIVE])
2656 spring_trap (treas, op);
2657
2658 /* If either player or container was destroyed, no need to do
2659 * further processing. I think this should be enclused with
2660 * spring trap above, as I don't think there is otherwise
2661 * any way for the treasure chest or player to get killed.
2662 */
2663 if (op->destroyed () || tmp->destroyed ())
2664 break;
2665 }
2666
2667 if (!tmp->destroyed () && !tmp->inv)
2668 tmp->decrease (true);
2669}
2670
2671/**
2672 * A dragon is eating some flesh. If the flesh contains resistances,
2673 * there is a chance for the dragon's skin to get improved.
2674 *
2675 * attributes:
2676 * object *op the object (dragon player) eating the flesh
2677 * object *meal the flesh item, getting chewed in dragon's mouth
2678 * return:
2679 * int 1 if eating successful, 0 if it doesn't work
2680 */
2681static int
2682dragon_eat_flesh (object *op, object *meal)
2683{
2684 object *skin = NULL; /* pointer to dragon skin force */
2685 object *abil = NULL; /* pointer to dragon ability force */
2686 object *tmp = NULL; /* tmp. object */
2687
2688 double chance; /* improvement-chance of one resistance type */
2689 double totalchance = 1; /* total chance of gaining one resistance */
2690 double bonus = 0; /* level bonus (improvement is easier at lowlevel) */
2691 double mbonus = 0; /* monster bonus */
2692 int atnr_winner[NROFATTACKS]; /* winning candidates for resistance improvement */
2693 int winners = 0; /* number of winners */
2694 int i; /* index */
2695
2696 /* let's make sure and doublecheck the parameters */
2697 if (meal->type != FLESH || !op->is_dragon ())
2698 return 0;
2699
2700 /* now grab the 'dragon_skin'- and 'dragon_ability'-forces
2701 from the player's inventory */
2702 for (tmp = op->inv; tmp; tmp = tmp->below)
2703 if (tmp->type == FORCE)
2704 if (tmp->arch->archname == shstr_dragon_skin_force)
2705 skin = tmp;
2706 else if (tmp->arch->archname == shstr_dragon_ability_force)
2707 abil = tmp;
2708
2709 /* if either skin or ability are missing, this is an old player
2710 which is not to be considered a dragon -> bail out */
2711 if (skin == NULL || abil == NULL)
2712 return 0;
2713
2714 /* now start by filling stomache and health, according to food-value */
2715 if ((MAX_FOOD - op->stats.food) < meal->stats.food)
2716 op->stats.hp += (MAX_FOOD - op->stats.food) / 50;
2717 else
2718 op->stats.hp += meal->stats.food / 50;
2719
2720 min_it (op->stats.hp, op->stats.maxhp);
2721 op->stats.food = min (MAX_FOOD, op->stats.food + meal->stats.food);
2722
2723 /*LOG(llevDebug, "-> player: %d, flesh: %d\n", op->level, meal->level); */
2724
2725 /* on to the interesting part: chances for adding resistance */
2726 for (i = 0; i < NROFATTACKS; i++)
2727 {
2728 if (meal->resist[i] > 0 && atnr_is_dragon_enabled (i))
2729 {
2730 /* got positive resistance, now calculate improvement chance (0-100) */
2731
2732 /* this bonus makes resistance increase easier at lower levels */
2733 bonus = (settings.max_level - op->level) * 30. / ((double) settings.max_level);
2734 if (i == abil->stats.exp)
2735 bonus += 5; /* additional bonus for resistance of ability-focus */
2736
2737 /* monster bonus increases with level, because high-level
2738 flesh is too rare */
2739 mbonus = op->level * 20. / ((double) settings.max_level);
2740
2741 chance = (((double)min (op->level + bonus, meal->level + bonus + mbonus)) * 100. /
2742 ((double)settings.max_level)) - skin->resist[i];
2743
2744 if (chance >= 0.)
2745 chance += 1.;
2746 else
2747 chance = (chance < -12) ? 0. : 1. / pow (2., -chance);
2748
2749 /* chance is proportional to amount of resistance (max. 50) */
2750 chance *= ((double)(min (meal->resist[i], 50))) / 50.;
2751
2752 /* doubled chance for resistance of ability-focus */
2753 if (i == abil->stats.exp)
2754 chance = min (100., chance * 2.);
2755
2756 /* now make the throw and save all winners (Don't insert luck bonus here!) */
2757 if (rndm (10000) < (unsigned int)(chance * 100))
2758 {
2759 atnr_winner[winners] = i;
2760 winners++;
2761 }
2762
2763 if (chance >= 0.01)
2764 totalchance *= 1 - chance / 100;
2765
2766 /*LOG(llevDebug, " %s: bonus %.1f, chance %.1f\n", attacks[i], bonus, chance); */
2767 }
2768 }
2769
2770 /* inverse totalchance as until now we have the failure-chance */
2771 totalchance = 100 - totalchance * 100;
2772
2773 /* print message according to totalchance */
2774 const char *buf;
2775 if (totalchance > 50.)
2776 buf = format ("Hmm! The %s tasted delicious!", &meal->name);
2777 else if (totalchance > 10.)
2778 buf = format ("The %s tasted very good.", &meal->name);
2779 else if (totalchance > 1.)
2780 buf = format ("The %s tasted good.", &meal->name);
2781 else if (totalchance > 0.1)
2782 buf = format ("The %s tasted bland.", &meal->name);
2783 else if (totalchance >= 0.01)
2784 buf = format ("The %s had a boring taste.", &meal->name);
2785 else if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat))
2786 buf = format ("The %s tasted strange.", &meal->name);
2787 else
2788 buf = format ("The %s had no taste.", &meal->name);
2789
2790 op->statusmsg (buf);
2791
2792 /* now choose a winner if we have any */
2793 i = -1;
2794 if (winners > 0)
2795 i = atnr_winner [rndm (winners)];
2796
2797 if (i >= 0 && i < NROFATTACKS && skin->resist[i] < 95)
2798 {
2799 /* resistance increased! */
2800 skin->resist[i]++;
2801 op->update_stats ();
2802
2803 op->statusmsg (format ("Your skin is now more resistant to %s!", change_resist_msg[i]));
2804 }
2805
2806 /* if this flesh contains a new ability focus, we mark it
2807 into the ability_force and it will take effect on next level */
2808 if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat) && meal->last_eat != abil->last_eat)
2809 {
2810 abil->last_eat = meal->last_eat; /* write: last_eat <new attnr focus> */
2811
2812 if (meal->last_eat != abil->stats.exp)
2813 op->statusmsg (format (
2814 "Your metabolism prepares to focus on %s!\n"
2815 "The change will happen at level %d.",
2816 change_resist_msg[meal->last_eat],
2817 abil->level + 1
2818 ));
2819 else
2820 {
2821 op->statusmsg (format ("Your metabolism will continue to focus on %s.", change_resist_msg[meal->last_eat]));
2822 abil->last_eat = 0;
2823 }
2824 }
2825
2826 return 1;
2827}
2828
2829/**
2830 * op eats food.
2831 * If player, takes care of messages and dragon special food.
2832 */
2833static void
2834apply_food (object *op, object *tmp)
2835{
2836 int capacity_remaining;
2837
2838 if (op->type != PLAYER)
2839 op->stats.hp = op->stats.maxhp;
2840 else
2841 {
2842 /* check if this is a dragon (player), eating some flesh */
2843 if (tmp->type == FLESH && op->is_dragon () && dragon_eat_flesh (op, tmp))
2844 ;
2845 else
2846 {
2847 /* usual case - no dragon meal: */
2848 if (op->stats.food + tmp->stats.food > MAX_FOOD)
2849 {
2850 if (tmp->type == FOOD || tmp->type == FLESH)
2851 op->failmsg ("You feel full, but what a waste of food!");
2852 else
2853 op->statusmsg ("Most of the drink goes down your face not your throat!");
2854 }
2855
2856 tmp->play_sound (
2857 tmp->sound
2858 ? tmp->sound
2859 : tmp->type == DRINK
2860 ? sound_find ("eat_drink")
2861 : sound_find ("eat_food")
2862 );
2863
2864 if (!tmp->flag [FLAG_CURSED])
2865 {
2866 const char *buf;
2867
2868 if (!op->is_dragon ())
2869 {
2870 /* eating message for normal players */
2871 if (tmp->type == DRINK)
2872 buf = format ("Ahhh...that %s tasted good.", &tmp->name);
2873 else
2874 buf = format ("The %s tasted %s", &tmp->name, tmp->type == FLESH ? "terrible!" : "good.");
2875 }
2876 else
2877 /* eating message for dragon players */
2878 buf = format ("The %s tasted terrible!", &tmp->name);
2879
2880 op->statusmsg (buf);
2881
2882 capacity_remaining = MAX_FOOD - op->stats.food;
2883 op->stats.food += tmp->stats.food;
2884 if (capacity_remaining < tmp->stats.food)
2885 op->stats.hp += capacity_remaining / 50;
2886 else
2887 op->stats.hp += tmp->stats.food / 50;
2888
2889 min_it (op->stats.hp, op->stats.maxhp);
2890 min_it (op->stats.food, MAX_FOOD);
2891 }
2892
2893 /* special food hack -b.t. */
2894 if (tmp->title || tmp->flag [FLAG_CURSED])
2895 eat_special_food (op, tmp);
2896 }
2897 }
2898
2899 handle_apply_yield (tmp);
2900 tmp->decrease ();
2901}
2902
2903/**
2904 * Handles applying an improve armor scroll.
2905 * Does some sanity checks, then calls improve_armour.
2906 */
2907static void
2908apply_armour_improver (object *op, object *tmp)
2909{
2910 if (!op->flag [FLAG_WIZCAST] && (get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_NO_MAGIC))
2911 {
2912 op->failmsg ("Something blocks the magic of the scroll. H<This area prevents magic effects.>");
2913 return;
2914 }
2915
2916 object *armor = op->mark ();
2917
2918 if (!armor)
2919 {
2920 op->failmsg ("You need to mark an armor object. Use the right mouse button popup or the mark command to do this.");
2921 return;
2922 }
2923
2924 if (armor->type != ARMOUR
2925 && armor->type != CLOAK
2926 && armor->type != BOOTS && armor->type != GLOVES && armor->type != BRACERS && armor->type != SHIELD && armor->type != HELMET)
2927 {
2928 op->failmsg ("Your marked item is not armour!\n");
2929 return;
2930 }
2931
2932 if (!op->apply (armor, AP_UNAPPLY))
2933 {
2934 op->failmsg ("You are unable to take off your armour to improve it!");
2935 return;
2936 }
2937
2938 op->statusmsg ("Applying armour enchantment.");
2939 improve_armour (op, tmp, armor);
2940}
2941
2942void
2943apply_poison (object *op, object *tmp)
2944{
2945 // need to do it now when it is still on the map
2946 handle_apply_yield (tmp);
2947
2948 object *poison = tmp->split (1);
2949
2950 if (op->type == PLAYER)
2951 {
2952 op->contr->play_sound (sound_find ("drink_poison"));
2953 op->failmsg ("Yech! That tasted poisonous!");
2954 op->contr->killer = poison;
2955 }
2956
2957 if (poison->stats.hp > 0)
2958 {
2959 LOG (llevDebug, "Trying to poison player/monster for %d hp\n", poison->stats.hp);
2960 hit_player (op, poison->stats.hp, tmp, AT_POISON, 1);
2961 }
2962
2963 op->stats.food -= op->stats.food / 4;
2964 poison->destroy ();
2965}
2966
2967/**
2968 * This function will try to apply a lighter and in case no lighter
2969 * is specified it will try to find a lighter in the players inventory,
2970 * and inform him about this requirement.
2971 *
2972 * who - the player
2973 * op - the item we want to light
2974 * lighter - the lighter or 0 if a lighter has yet to be found
2975 */
2976static object *
2977auto_apply_lighter (object *who, object *op, object *lighter)
2978{
2979 if (lighter == 0)
2980 {
2981 for (object *tmp = who->inv; tmp; tmp = tmp->below)
2982 {
2983 if (tmp->type == LIGHTER)
2984 {
2985 lighter = tmp;
2986 break;
2987 }
2988 }
2989
2990 if (!lighter)
2991 {
2992 who->failmsgf (
2993 "You can't light up the %s with your bare hands! "
2994 "H<You need a lighter in your inventory, for example a flint and steel.>",
2995 &op->name
2996 );
2997 return 0;
2998 }
2999 }
3000
3001 // last_eat == 0 means the lighter is not being used up!
3002 if (lighter->last_eat && lighter->stats.food)
3003 {
3004 /* lighter gets used up */
3005 lighter = lighter->split ();
3006 lighter->stats.food--;
3007 who->insert (lighter);
3008 }
3009 else if (lighter->last_eat)
3010 {
3011 /* no charges left in lighter */
3012 who->failmsgf (
3013 "You attempt to light the %s with a used up %s.",
3014 &op->name, &lighter->name
3015 );
3016 return 0;
3017 }
3018
3019 return lighter;
3020}
3021
3022/**
3023 * Designed primarily to light torches/lanterns/etc.
3024 * Also burns up burnable material too. First object in the inventory is
3025 * the selected object to "burn". -b.t.
3026 */
3027static void
3028apply_lighter (object *who, object *lighter)
3029{
3030 if (object *item = who->mark ())
3031 {
3032 if (!auto_apply_lighter (who, item, lighter))
3033 return;
3034
3035 /* Perhaps we should split what we are trying to light on fire?
3036 * I can't see many times when you would want to light multiple
3037 * objects at once.
3038 */
3039
3040 save_throw_object (item, AT_FIRE, who);
3041
3042 if (item->destroyed ()
3043 || ((item->type == LAMP || item->type == TORCH)
3044 && item->glow_radius > 0))
3045 who->statusmsg (format (
3046 "You light the %s with the %s.",
3047 &item->name, &lighter->name
3048 ));
3049 else
3050 who->failmsgf (
3051 "You attempt to light the %s with the %s and fail.",
3052 &item->name, &lighter->name
3053 );
3054 }
3055 else
3056 who->failmsg ("You need to mark a lightable object.");
3057}
3058
3059/**
3060 * This function generates a cursed effect for cursed lamps and torches.
3061 */
3062static void
3063player_apply_lamp_cursed_effect (object *who, object *op)
3064{
3065 if (op->level)
3066 {
3067 who->failmsgf (
3068 "The %s was cursed, it explodes in a big fireball!",
3069 &op->name
3070 );
3071 create_exploding_ball_at (who, op->level);
3072 }
3073 else
3074 {
3075 who->failmsgf (
3076 "The %s was cursed, it crumbles to dust, at least it didn't explode.!",
3077 &op->name
3078 );
3079 }
3080
3081 op->destroy ();
3082}
3083
3084/**
3085 * Apply for players and lamps
3086 *
3087 * who - the player
3088 * op - the lamp
3089 */
3090static void
3091player_apply_lamp (object *who, object *op)
3092{
3093 bool switch_on = op->glow_radius ? false : true;
3094
3095 if (switch_on)
3096 {
3097 object *lighter = 0;
3098
3099 if (op->flag [FLAG_IS_LIGHTABLE]
3100 && !(lighter = auto_apply_lighter (who, op, 0)))
3101 return;
3102
3103 if (op->stats.food < 1)
3104 {
3105 if (op->type == LAMP)
3106 who->failmsgf (
3107 "The %s is out of fuel! "
3108 "H<Lamps and similar items need fuel. They cannot be refilled.>",
3109 &op->name
3110 );
3111 else
3112 who->failmsgf (
3113 "The %s is burnt out! "
3114 "H<Torches and similar items burn out and become worthless.>",
3115 &op->name
3116 );
3117 return;
3118 }
3119
3120 if (op->flag [FLAG_CURSED])
3121 {
3122 player_apply_lamp_cursed_effect (who, op);
3123 return;
3124 }
3125
3126 if (lighter)
3127 who->statusmsg (format (
3128 "You light up the %s with the %s.", &op->name, &lighter->name));
3129 else
3130 who->statusmsg (format ("You light up the %s.", &op->name));
3131 }
3132 else
3133 {
3134 if (op->flag [FLAG_CURSED])
3135 {
3136 player_apply_lamp_cursed_effect (who, op);
3137 return;
3138 }
3139
3140 if (op->type == TORCH)
3141 {
3142 if (!op->flag [FLAG_IS_LIGHTABLE])
3143 {
3144 who->statusmsg (format (
3145 "You put out the %s. "
3146 "H<The %s can't be used anymore, as it can't be lighted up again.>",
3147 &op->name, &op->name));
3148 }
3149 else
3150 who->statusmsg (format (
3151 "You put out the %s."
3152 "H<Torches wear out if you put them out.>",
3153 &op->name));
3154 }
3155 else
3156 who->statusmsg (format ("You turn off the %s.", &op->name));
3157 }
3158
3159 apply_lamp (op, switch_on);
3160}
3161
3162void get_animation_from_arch (object *op, arch_ptr a)
3163{
3164 op->animation_id = a->animation_id;
3165 op->flag [FLAG_IS_TURNABLE] = a->flag [FLAG_IS_TURNABLE];
3166 op->flag [FLAG_ANIMATE] = a->flag [FLAG_ANIMATE];
3167 op->anim_speed = a->anim_speed;
3168 op->last_anim = 0;
3169 op->state = 0;
3170 op->face = a->face;
3171
3172 if (NUM_ANIMATIONS(op) > 1)
3173 {
3174 SET_ANIMATION(op, 0);
3175 animate_object (op, op->direction);
3176 }
3177 else
3178 update_object (op, UP_OBJ_FACE);
3179}
3180
3181/**
3182 * Apply for LAMPs and TORCHes.
3183 *
3184 * op - the lamp
3185 * switch_on - a flag which says whether the lamp should be switched on or off
3186 */
3187void apply_lamp (object *op, bool switch_on)
3188{
3189 op->set_glow_radius (switch_on ? op->range : 0);
3190 op->set_speed (switch_on ? op->arch->speed : 0);
3191
3192 // torches wear out if you put them out
3193 if (op->type == TORCH && !switch_on)
3194 {
3195 if (op->flag [FLAG_IS_LIGHTABLE])
3196 {
3197 op->stats.food -= (double) op->arch->stats.food / 15;
3198 if (op->stats.food < 0)
3199 op->stats.food = 0;
3200 }
3201 else
3202 op->stats.food = 0;
3203 }
3204
3205 // lamps and torched get worthless when used up
3206 if (op->stats.food <= 0)
3207 op->value = 0;
3208
3209 // FIXME: This is a hack to make the more sane torches and lamps
3210 // still animated ;-/
3211 if (op->other_arch)
3212 get_animation_from_arch (op, switch_on ? op->other_arch : op->arch);
3213
3214 if (object *pl = op->visible_to ())
3215 esrv_update_item (UPD_ANIM | UPD_FACE | UPD_NAME, pl, op);
3216}
3217
3218/**
3219 * This handles items of type 'transformer'.
3220 * Basically those items, used with a marked item, transform both items into something
3221 * else.
3222 * "Transformer" item has food decreased by 1, removed if 0 (0 at start means illimited)..
3223 * Change information is contained in the 'slaying' field of the marked item.
3224 * The format is as follow: transformer:[number ]yield[;transformer:...].
3225 * This way an item can be transformed in many things, and/or many objects.
3226 * The 'slaying' field for transformer is used as verb for the action.
3227 */
3228static void
3229apply_item_transformer (object *pl, object *transformer)
3230{
3231 object *new_item;
3232 const char *find;
3233 char *separator;
3234 int yield;
3235 char got[MAX_BUF];
3236 int len;
3237
3238 if (!pl || !transformer)
3239 return;
3240
3241 object *marked = pl->mark ();
3242
3243 if (!marked)
3244 {
3245 pl->failmsgf ("Use the %s with what item?", query_name (transformer));
3246 return;
3247 }
3248
3249 if (!marked->slaying)
3250 {
3251 pl->failmsgf ("You can't use the %s with your %s!", query_name (transformer), query_name (marked));
3252 return;
3253 }
3254
3255 /* check whether they are compatible or not */
3256 find = strstr (&marked->slaying, transformer->arch->archname);
3257 if (!find || (*(find + strlen (transformer->arch->archname)) != ':'))
3258 {
3259 pl->failmsgf ("You can't use the %s with your %s!", query_name (transformer), query_name (marked));
3260 return;
3261 }
3262
3263 find += strlen (transformer->arch->archname) + 1;
3264 /* Item can be used, now find how many and what it yields */
3265 if (isdigit (*(find)))
3266 {
3267 yield = atoi (find);
3268 if (yield < 1)
3269 {
3270 LOG (llevDebug, "apply_item_transformer: item %s has slaying-yield %d.", query_base_name (marked, 0), yield);
3271 yield = 1;
3272 }
3273 }
3274 else
3275 yield = 1;
3276
3277 while (isdigit (*find))
3278 find++;
3279
3280 while (*find == ' ')
3281 find++;
3282
3283 memset (got, 0, MAX_BUF);
3284
3285 if ((separator = (char *) strchr (find, ';')))
3286 len = separator - find;
3287 else
3288 len = strlen (find);
3289
3290 min_it (len, MAX_BUF - 1);
3291
3292 strcpy (got, find);
3293 got[len] = '\0';
3294
3295 /* Now create new item, remove used ones when required. */
3296 new_item = archetype::get (got);
3297 if (!new_item)
3298 {
3299 pl->failmsgf ("This %s is strange, better to not use it.", query_base_name (marked, 0));
3300 return;
3301 }
3302
3303 new_item->nrof = yield;
3304
3305 pl->statusmsg (format ("You %s the %s.", &transformer->slaying, query_base_name (marked, 0)));
3306
3307 pl->insert (new_item);
3308 /* Eat up one item */
3309 marked->decrease ();
3310
3311 /* Eat one transformer if needed */
3312 if (transformer->stats.food)
3313 if (--transformer->stats.food == 0)
3314 transformer->decrease ();
3315}
3316
3317/**
3318 * Main apply handler.
3319 *
3320 * Checks for unpaid items before applying.
3321 *
3322 * Return value is currently not used
3323 *
3324 * who is the object that is causing object to be applied, op is the object
3325 * being applied.
3326 *
3327 * aflag is special (always apply/unapply) flags. Nothing is done with
3328 * them in this function - they are passed to apply_special
3329 */
3330static bool
3331manual_apply (object *who, object *op, int aflag)
3332{
3333 if (INVOKE_OBJECT (APPLY, op, ARG_OBJECT (who)))
3334 return RESULT_INT (0);
3335 else if (apply_types_inv_only [op->type])
3336 {
3337 // special item, using slot system, needs to be in inv
3338 if (op->env == who)
3620 return apply_special (who, op, aflags); 3339 return apply_special (who, op, aflag);
3340
3341 who->failmsgf ("You must get it first! H<You can only apply the %s if it is in your inventory.>\n", query_name (op));
3342 }
3343 else if (!who->contr && apply_types_player_only [op->type])
3344 return 0; // monsters shouldn't try to apply player-only stuff
3345 else if (apply_types [op->type])
3346 {
3347 // ordinary stuff, may be on the floor
3348 switch (op->type)
3349 {
3350 case T_HANDLE:
3351 who->play_sound (sound_find ("turn_handle"));
3352 who->statusmsg ("You turn the handle.");
3353 op->value = op->value ? 0 : 1;
3354 SET_ANIMATION (op, op->value);
3355 update_object (op, UP_OBJ_FACE);
3356 push_button (op, who);
3357 break;
3358
3359 case TRIGGER:
3360 if (check_trigger (op, who, who))
3361 {
3362 who->statusmsg ("You turn the handle.");
3363 who->play_sound (sound_find ("turn_handle"));
3364 }
3365 else
3366 who->failmsg ("The handle doesn't move.");
3367
3368 break;
3369
3370 case EXIT:
3371 if (!EXIT_PATH (op))
3372 who->failmsgf ("The %s is closed. H<This exit doesn't lead anywhere at the moment, and this is unlikely to change.>", query_name (op));
3373 else
3374 {
3375 /* Don't display messages for random maps. */
3376 if (op->msg && EXIT_PATH (op) != shstr_random_map_exit)
3377 who->statusmsg (op->msg, NDI_NAVY);
3378
3379 who->enter_exit (op);
3380 }
3381
3382 break;
3383
3384 case INSCRIBABLE:
3385 who->statusmsg (op->msg);
3386 // maybe show a spell menu to chose from or something like that
3387 break;
3388
3389 case SIGN:
3390 apply_sign (who, op, 0);
3391 break;
3392
3393 case BOOK:
3394 apply_book (who, op);
3395 break;
3396
3397 case SKILLSCROLL:
3398 apply_skillscroll (who, op);
3399 break;
3400
3401 case SPELLBOOK:
3402 apply_spellbook (who, op);
3403 break;
3404
3405 case SCROLL:
3406 apply_scroll (who, op, 0);
3407 break;
3408
3409 case POTION:
3410 apply_potion (who, op);
3411 break;
3412
3413 /* Eneq(@csd.uu.se): Handle apply on containers. */
3414 //TODO: remove, as it is unsed?
3415 case CLOSE_CON:
3416 apply_container (who, op->env);
3417 break;
3418
3419 case CONTAINER:
3420 apply_container (who, op);
3421 break;
3422
3423 case TREASURE:
3424 apply_treasure (who, op);
3425 break;
3426
3427 case LAMP:
3428 case TORCH:
3429 player_apply_lamp (who, op);
3430 break;
3431
3432 case DRINK:
3433 case FOOD:
3434 case FLESH:
3435 apply_food (who, op);
3436 break;
3437
3438 case POISON:
3439 apply_poison (who, op);
3440 break;
3441
3442 case SAVEBED:
3443 break;
3444
3445 case ARMOUR_IMPROVER:
3446 apply_armour_improver (who, op);
3447 break;
3448
3449 case WEAPON_IMPROVER:
3450 check_improve_weapon (who, op);
3451 break;
3452
3453 case CLOCK:
3454 {
3455 timeofday_t tod;
3456
3457 get_tod (&tod);
3458 who->play_sound (sound_find ("sound_clock"));
3459 who->statusmsg (format (
3460 "It is %d minute%s past %d o'clock %s",
3461 tod.minute + 1, ((tod.minute + 1 < 2) ? "" : "s"),
3462 ((tod.hour % 14 == 0) ? 14 : ((tod.hour) % 14)), ((tod.hour >= 14) ? "pm" : "am")
3463 ));
3464 }
3465 break;
3466
3467 case MENU:
3468 shop_listing (op, who);
3469 break;
3470
3471 case POWER_CRYSTAL:
3472 apply_power_crystal (who, op); /* see egoitem.c */
3473 break;
3474
3475 case LIGHTER: /* for lighting torches/lanterns/etc */
3476 apply_lighter (who, op);
3477 break;
3478
3479 case ITEM_TRANSFORMER:
3480 apply_item_transformer (who, op);
3481 break;
3482 }
3483
3484 return 1;
3485 }
3486 else
3487 {
3488 who->statusmsg (format ("I don't know how to apply the %s. H<This object cannot be applied.>", query_name (op)));
3489 return 0;
3490 }
3491}
3492
3493/**
3494 * player_apply_below attempts to apply the object 'below' the player.
3495 * If the player has an open container, we use that for below, otherwise
3496 * we use the ground.
3497 */
3498void
3499player_apply_below (object *pl)
3500{
3501 object *top = pl->container_ () ? pl->container_ ()->inv : pl->below;
3502
3503 /* If using a container, set the starting item to be the top
3504 * item in the container. Otherwise, use the map.
3505 */
3506
3507 // first try to apply "applyables"
3508 for (object *tmp = top; tmp; tmp = tmp->below)
3509 if (!tmp->invisible && apply_types [tmp->type])
3510 {
3511 // If it is visible, player can apply it.
3512 pl->apply (tmp);
3513 return;
3514 }
3515
3516 while (top && top->invisible)
3517 top = top->below;
3518
3519 if (!top || top->flag [FLAG_IS_FLOOR])
3520 pl->failmsg ("You inspect this space, but find no way to apply anything. "
3521 "H<There is nothing here that you can apply.>");
3522 else
3523 // next, try to explain the topmost object
3524 switch (top->type)
3525 {
3526 // TODO: all this should move to examine
3527 case ALTAR:
3528 case IDENTIFY_ALTAR:
3529 case TRIGGER_ALTAR:
3530 case CONVERTER:
3531 //case TRIGGER_PEDESTAL:
3532 pl->failmsgf (
3533 "You see no obvious mechanism on the %s."
3534 "H<You have to drop one or more specific items here.>",
3535 query_short_name (top)
3536 );
3537 break;
3538
3539 case BUTTON:
3540 case TRIGGER_BUTTON:
3541 pl->failmsgf (
3542 "The %s looks as if you could activate it with somehting heavy. "
3543 "H<You must put enough items here to activate it.>",
3544 query_short_name (top)
3545 );
3546 break;
3547
3548 default:
3549 examine (pl, top);
3550 break;
3551 }
3552}
3553
3554// saner interface, returns successful status
3555bool
3556object::apply (object *ob, int aflags)
3557{
3558 if (!ob) // simplifies a lot of callers
3559 return true;
3560
3561 ob = ob->head_ ();
3562
3563 if (ob->flag [FLAG_UNPAID] && !ob->flag [FLAG_APPLIED])
3564 {
3565 if (contr)
3566 {
3567 examine (this, ob);
3568 //who->failmsg ("You should pay for it first! H<You cannot use items marked as unpaid.>");//TODO remove
3569 return 1;
3570 }
3571 else
3572 return 0; /* monsters just skip unpaid items */
3573 }
3574
3575 if (contr)
3576 {
3577 if (!ob->env && (move_type & MOVE_FLYING))
3578 {
3579 /* player is flying and applying object not in inventory */
3580 if (!flag [FLAG_WIZ] && !(ob->move_type & MOVE_FLYING))
3581 {
3582 failmsg ("But you are floating high above the ground! "
3583 "H<You have to stop levitating first, if you can, either by using your levitation skill, "
3584 "or waiting till the levitation effect wears off.>");
3585 return 0;
3586 }
3587 }
3588
3589 contr->last_used = ob;
3590 }
3591
3592 bool want_apply =
3593 aflags & AP_APPLY ? true
3594 : aflags & AP_UNAPPLY ? false
3595 : !ob->flag [FLAG_APPLIED]; // AP_TOGGLE
3596
3597 // cannot unapply cursed items
3598 if (!want_apply
3599 && (ob->flag [FLAG_CURSED] || ob->flag [FLAG_DAMNED])
3600 && ob->flag [FLAG_APPLIED]
3601 && !(aflags & AP_IGNORE_CURSE))
3602 {
3603 failmsgf ("No matter how hard you try, you just can't remove %s." CANNOT_REMOVE_CURSED, ob->query_name ());
3604 return 0;
3605 }
3606
3607 object_ptr *slot = 0;
3608
3609 // detect the slot, if this is a player
3610 if (contr && !(aflags & AP_NO_SLOT))
3611 {
3612 object *oslot;
3613
3614 switch (ob->type)
3615 {
3616 case WEAPON:
3617 slot = &contr->combat_ob;
3618 oslot = contr->ranged_ob;
3619 break;
3620
3621 case RANGED:
3622 case BOW:
3623 case SPELL:
3624 case WAND:
3625 case ROD:
3626 case HORN:
3627 case BUILDER:
3628 slot = &contr->ranged_ob;
3629 oslot = contr->combat_ob;
3630 break;
3631
3632 // oh, the humanity
3633 case SKILL:
3634 // skill is used on it's own, as opposed to being a chosen_skill
3635
3636 if (skill_flags [ob->subtype] & (SF_NEED_ITEM | SF_MANA))
3637 {
3638 failmsgf (
3639 "You feel as if you wanted to do something funny, but you can't remember what. "
3640 "H<The %s skill needs something else to function, for example a tool, weapon, rod, or spell. "
3641 "It cannot be used on its own.>",
3642 &ob->skill
3643 );
3644 return 1;
3645 }
3646
3647 if (skill_flags [ob->subtype] & SF_AUTARK
3648 || !(skill_flags [ob->subtype] & (SF_COMBAT | SF_RANGED)))
3649 {
3650 if (skill_flags [ob->subtype] & SF_USE)
3651 failmsgf (
3652 "You feel as if you wanted to do something funny, but you can't remember what. "
3653 "H<The %s skill cannot be readied, instead, try C<use_skill %s>.>",
3654 &ob->skill, &ob->skill
3655 );
3656 else
3657 failmsgf (
3658 "You feel as if you wanted to do something funny, but you can't remember what. "
3659 "H<The %s skill cannot be readied or used, it is always active.>",
3660 &ob->skill
3661 );
3662
3663 return 1;
3664 }
3665
3666 if (skill_flags [ob->subtype] & SF_NEED_ITEM)
3667 break;
3668
3669 if (skill_flags [ob->subtype] & SF_COMBAT)
3670 {
3671 slot = &contr->combat_ob;
3672 oslot = contr->ranged_ob;
3673 }
3674 else if (skill_flags [ob->subtype] & SF_RANGED)
3675 {
3676 slot = &contr->ranged_ob;
3677 oslot = contr->combat_ob;
3678 }
3679
3680 break;
3681 }
3682
3683 // now handle slot exclusions
3684 if (slot)
3685 {
3686 // only one slot can be active
3687 if (want_apply)
3688 {
3689 // clear slot unless we are in it already
3690 if (*slot != ob)
3691 if (!apply (*slot, AP_UNAPPLY))
3692 return false;
3693
3694 // unapply other slot, because we want to become active
3695 if (!apply (oslot, AP_UNAPPLY))
3696 return false;
3697 }
3698
3699 // clear item from slot if applied
3700 if (!want_apply && current_weapon == ob)
3701 current_weapon = 0;
3702 }
3703 }
3704
3705 if (ob->flag [FLAG_APPLIED] != want_apply)
3706 manual_apply (this, ob, aflags);
3707
3708 if (ob->flag [FLAG_APPLIED] != want_apply)
3709 return false;
3710
3711 if (slot && want_apply)
3712 current_weapon = *slot = ob;
3713
3714 return true;
3621} 3715}
3622 3716
3623/** 3717/**
3624 * Map was just loaded, handle op's initialisation. 3718 * Map was just loaded, handle op's initialisation.
3625 * 3719 *
3626 * Generates shop floor's item, and treasures. 3720 * Generates shop floor's item, and treasures.
3627 */ 3721 */
3628int 3722int
3629auto_apply (object *op) 3723auto_apply (object *op)
3630{ 3724{
3631 object *tmp = NULL, *tmp2; 3725 object *tmp = NULL;
3632 int i; 3726 int i;
3633 3727
3634 CLEAR_FLAG (op, FLAG_AUTO_APPLY); 3728 op->clr_flag (FLAG_AUTO_APPLY);
3635 3729
3636 switch (op->type) 3730 switch (op->type)
3637 { 3731 {
3638 case SHOP_FLOOR: 3732 case SHOP_FLOOR:
3639 if (!op->has_random_items ()) 3733 if (!op->has_random_items ())
… …
3649 == NULL && --i); 3743 == NULL && --i);
3650 3744
3651 if (tmp == NULL) 3745 if (tmp == NULL)
3652 return 0; 3746 return 0;
3653 3747
3654 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED)) 3748 if (tmp->flag [FLAG_CURSED] || tmp->flag [FLAG_DAMNED])
3655 { 3749 {
3656 tmp->destroy (); 3750 tmp->destroy ();
3657 tmp = NULL; 3751 tmp = NULL;
3658 } 3752 }
3659 } 3753 }
3660 while (!tmp); 3754 while (!tmp);
3661 3755
3662 tmp->x = op->x; 3756 tmp->x = op->x;
3663 tmp->y = op->y; 3757 tmp->y = op->y;
3664 SET_FLAG (tmp, FLAG_UNPAID); 3758 tmp->set_flag (FLAG_UNPAID);
3665 insert_ob_in_map (tmp, op->map, NULL, 0); 3759 insert_ob_in_map (tmp, op->map, NULL, 0);
3666 identify (tmp); 3760 identify (tmp);
3667 break; 3761 break;
3668 3762
3669 case TREASURE: 3763 case TREASURE:
3670 if (QUERY_FLAG (op, FLAG_IS_A_TEMPLATE)) 3764 if (op->flag [FLAG_IS_A_TEMPLATE])
3671 return 0; 3765 return 0;
3672 3766
3673 while (op->stats.hp-- > 0) 3767 while (op->stats.hp-- > 0)
3674 create_treasure (op->randomitems, op, op->map ? GT_ENVIRONMENT : 0, 3768 create_treasure (op->randomitems, op, op->map ? GT_ENVIRONMENT : 0,
3675 op->stats.exp ? (int) op->stats.exp : op->map == NULL ? 14 : op->map->difficulty, 0); 3769 op->stats.exp ? (int) op->stats.exp : op->map == NULL ? 14 : op->map->difficulty, 0);
… …
3713 3807
3714 for (invtmp = tmp->inv; invtmp; invtmp = invnext) 3808 for (invtmp = tmp->inv; invtmp; invtmp = invnext)
3715 { 3809 {
3716 invnext = invtmp->below; 3810 invnext = invtmp->below;
3717 3811
3718 if (QUERY_FLAG (invtmp, FLAG_AUTO_APPLY)) 3812 if (invtmp->flag [FLAG_AUTO_APPLY])
3719 auto_apply (invtmp); 3813 auto_apply (invtmp);
3720 else if (invtmp->type == TREASURE && invtmp->has_random_items ()) 3814 else if (invtmp->type == TREASURE && invtmp->has_random_items ())
3721 { 3815 {
3722 while (invtmp->stats.hp-- > 0) 3816 while (invtmp->stats.hp-- > 0)
3723 create_treasure (invtmp->randomitems, invtmp, 0, difficulty, 0); 3817 create_treasure (invtmp->randomitems, invtmp, 0, difficulty, 0);
3724 3818
3725 invtmp->randomitems = NULL; 3819 invtmp->randomitems = NULL;
3726 } 3820 }
3727 else if (invtmp && invtmp->arch 3821 else if (invtmp->arch
3728 && invtmp->type != TREASURE && invtmp->type != SPELL && invtmp->type != CLASS && invtmp->has_random_items ()) 3822 && invtmp->type != TREASURE && invtmp->type != SPELL && invtmp->type != CLASS
3823 && invtmp->has_random_items ())
3729 { 3824 {
3730 create_treasure (invtmp->randomitems, invtmp, 0, difficulty, 0); 3825 create_treasure (invtmp->randomitems, invtmp, 0, difficulty, 0);
3731 /* Need to clear this so that we never try to create 3826 /* Need to clear this so that we never try to create
3732 * treasure again for this object 3827 * treasure again for this object
3733 */ 3828 */
3734 invtmp->randomitems = NULL; 3829 invtmp->randomitems = NULL;
3735 } 3830 }
3736 } 3831 }
3832
3737 /* This is really temporary - the code at the bottom will 3833 /* This is really temporary - the code at the bottom will
3738 * also set randomitems to null. The problem is there are bunches 3834 * also set randomitems to null. The problem is there are bunches
3739 * of maps/players already out there with items that have spells 3835 * of maps/players already out there with items that have spells
3740 * which haven't had the randomitems set to null yet. 3836 * which haven't had the randomitems set to null yet.
3741 * MSW 2004-05-13 3837 * MSW 2004-05-13
… …
3745 * Ryo 2004-08-16 3841 * Ryo 2004-08-16
3746 */ 3842 */
3747 if (tmp->type == WAND || tmp->type == ROD || tmp->type == SCROLL 3843 if (tmp->type == WAND || tmp->type == ROD || tmp->type == SCROLL
3748 || tmp->type == HORN || tmp->type == FIREWALL || tmp->type == POTION || tmp->type == ALTAR || tmp->type == SPELLBOOK) 3844 || tmp->type == HORN || tmp->type == FIREWALL || tmp->type == POTION || tmp->type == ALTAR || tmp->type == SPELLBOOK)
3749 tmp->randomitems = NULL; 3845 tmp->randomitems = NULL;
3750
3751 } 3846 }
3752 3847
3753 if (QUERY_FLAG (tmp, FLAG_AUTO_APPLY)) 3848 if (tmp->flag [FLAG_AUTO_APPLY])
3754 auto_apply (tmp); 3849 auto_apply (tmp);
3755 else if ((tmp->type == TREASURE || (tmp->type == CONTAINER)) && tmp->has_random_items ()) 3850 else if ((tmp->type == TREASURE || (tmp->type == CONTAINER)) && tmp->has_random_items ())
3756 { 3851 {
3757 while ((tmp->stats.hp--) > 0) 3852 while ((tmp->stats.hp--) > 0)
3758 create_treasure (tmp->randomitems, tmp, 0, difficulty, 0); 3853 create_treasure (tmp->randomitems, tmp, 0, difficulty, 0);
… …
3760 } 3855 }
3761 else if (tmp->type == TIMED_GATE) 3856 else if (tmp->type == TIMED_GATE)
3762 { 3857 {
3763 object *head = tmp->head != NULL ? tmp->head : tmp; 3858 object *head = tmp->head != NULL ? tmp->head : tmp;
3764 3859
3765 if (QUERY_FLAG (head, FLAG_IS_LINKED)) 3860 if (head->flag [FLAG_IS_LINKED])
3766 tmp->set_speed (0); 3861 tmp->set_speed (0);
3767 } 3862 }
3768 /* This function can be called everytime a map is loaded, even when 3863 /* This function can be called everytime a map is loaded, even when
3769 * swapping back in. As such, we don't want to create the treasure 3864 * swapping back in. As such, we don't want to create the treasure
3770 * over and ove again, so after we generate the treasure, blank out 3865 * over and ove again, so after we generate the treasure, blank out
… …
3812 /* bigger morsel of food = longer effect time */ 3907 /* bigger morsel of food = longer effect time */
3813 int duration = TIME2TICK (food->stats.food); 3908 int duration = TIME2TICK (food->stats.food);
3814 3909
3815 if (force = who->force_find (key)) 3910 if (force = who->force_find (key))
3816 { 3911 {
3817 if (duration > abs (force->speed_left / force->speed)) 3912 if (duration > fabs (force->speed_left / force->speed))
3818 { 3913 {
3819 new_draw_info_format (NDI_UNIQUE, 0, who, "More magical force spreads through you. H<The effect will last for about %.10g more seconds.>", TICK2TIME (duration)); 3914 new_draw_info_format (NDI_UNIQUE, 0, who, "More magical force spreads through you. H<The effect will last for about %.10g more seconds.>", TICK2TIME (duration));
3820 force->force_set_timer (duration); 3915 force->force_set_timer (duration);
3821 } 3916 }
3822 else 3917 else
… …
3859 } 3954 }
3860 3955
3861 /* check for hp, sp change */ 3956 /* check for hp, sp change */
3862 if (food->stats.hp != 0) 3957 if (food->stats.hp != 0)
3863 { 3958 {
3864 if (QUERY_FLAG (food, FLAG_CURSED)) 3959 if (food->flag [FLAG_CURSED])
3865 { 3960 {
3866 who->contr->killer = food; 3961 who->contr->killer = food;
3867 hit_player (who, food->stats.hp, food, AT_POISON, 1); 3962 hit_player (who, food->stats.hp, food, AT_POISON, 1);
3868 who->failmsg ("Eck!...that was poisonous!"); 3963 who->failmsg ("Eck!...that was poisonous!");
3869 } 3964 }
… …
3878 } 3973 }
3879 } 3974 }
3880 3975
3881 if (food->stats.sp != 0) 3976 if (food->stats.sp != 0)
3882 { 3977 {
3883 if (QUERY_FLAG (food, FLAG_CURSED)) 3978 if (food->flag [FLAG_CURSED])
3884 { 3979 {
3885 who->failmsg ("You are drained of mana!"); 3980 who->failmsg ("You are drained of mana!");
3886 who->stats.sp -= food->stats.sp; 3981 who->stats.sp -= food->stats.sp;
3887 if (who->stats.sp < 0) 3982 if (who->stats.sp < 0)
3888 who->stats.sp = 0; 3983 who->stats.sp = 0;
… …
3894 /* place limit on max sp from food? */ 3989 /* place limit on max sp from food? */
3895 } 3990 }
3896 } 3991 }
3897 3992
3898 who->update_stats (); 3993 who->update_stats ();
3899}
3900
3901/**
3902 * op made some mistake with a scroll, this takes care of punishment.
3903 * scroll_failure()- hacked directly from spell_failure
3904 */
3905void
3906scroll_failure (object *op, int failure, int power)
3907{
3908 if (abs (failure / 4) > power)
3909 power = abs (failure / 4); /* set minimum effect */
3910
3911 if (failure <= -1 && failure > -15)
3912 { /* wonder */
3913 object *tmp;
3914
3915 op->failmsg ("Your spell warps!");
3916 tmp = get_archetype (SPELL_WONDER);
3917 cast_wonder (op, op, 0, tmp);
3918 tmp->destroy ();
3919 }
3920 else if (failure <= -15 && failure > -35)
3921 { /* drain mana */
3922 op->failmsg ("Your mana is drained!");
3923 op->stats.sp -= random_roll (0, power - 1, op, PREFER_LOW);
3924 if (op->stats.sp < 0)
3925 op->stats.sp = 0;
3926 }
3927 else if (settings.spell_failure_effects == TRUE)
3928 {
3929 if (failure <= -35 && failure > -60)
3930 { /* confusion */
3931 op->failmsg ("The magic recoils on you!");
3932 confuse_player (op, op, power);
3933 }
3934 else if (failure <= -60 && failure > -70)
3935 { /* paralysis */
3936 op->failmsg ("The magic recoils and paralyzes you!");
3937 paralyze_player (op, op, power);
3938 }
3939 else if (failure <= -70 && failure > -80)
3940 { /* blind */
3941 op->failmsg ("The magic recoils on you!");
3942 blind_player (op, op, power);
3943 }
3944 else if (failure <= -80)
3945 { /* blast the immediate area */
3946 object *tmp = get_archetype (LOOSE_MANA);
3947 cast_magic_storm (op, tmp, power);
3948 op->failmsg ("You unleash uncontrolled mana!");
3949 tmp->destroy ();
3950 }
3951 }
3952} 3994}
3953 3995
3954void 3996void
3955apply_changes_to_player (object *pl, object *change) 3997apply_changes_to_player (object *pl, object *change)
3956{ 3998{
… …
4024 pl->animation_id = change->animation_id; 4066 pl->animation_id = change->animation_id;
4025 pl->flag [FLAG_ANIMATE] = change->flag [FLAG_ANIMATE]; 4067 pl->flag [FLAG_ANIMATE] = change->flag [FLAG_ANIMATE];
4026 } 4068 }
4027 4069
4028 /* check the special case of can't use weapons */ 4070 /* check the special case of can't use weapons */
4029 /*if(QUERY_FLAG(change,FLAG_USE_WEAPON)) CLEAR_FLAG(pl,FLAG_USE_WEAPON); */ 4071 /*if(change->flag [FLAG_USE_WEAPON]) pl->clr_flag (FLAG_USE_WEAPON); */
4030 if (change->name == shstr_monk) 4072 if (change->name == shstr_monk)
4031 CLEAR_FLAG (pl, FLAG_USE_WEAPON); 4073 pl->clr_flag (FLAG_USE_WEAPON);
4032 4074
4033 break; 4075 break;
4034 } 4076 }
4035 } 4077 }
4036} 4078}
4037 4079
4038/**
4039 * This handles items of type 'transformer'.
4040 * Basically those items, used with a marked item, transform both items into something
4041 * else.
4042 * "Transformer" item has food decreased by 1, removed if 0 (0 at start means illimited)..
4043 * Change information is contained in the 'slaying' field of the marked item.
4044 * The format is as follow: transformer:[number ]yield[;transformer:...].
4045 * This way an item can be transformed in many things, and/or many objects.
4046 * The 'slaying' field for transformer is used as verb for the action.
4047 */
4048void
4049apply_item_transformer (object *pl, object *transformer)
4050{
4051 object *marked;
4052 object *new_item;
4053 char *find;
4054 char *separator;
4055 int yield;
4056 char got[MAX_BUF];
4057 int len;
4058
4059 if (!pl || !transformer)
4060 return;
4061
4062 marked = find_marked_object (pl);
4063
4064 if (!marked)
4065 {
4066 pl->failmsg (format ("Use the %s with what item?", query_name (transformer)));
4067 return;
4068 }
4069
4070 if (!marked->slaying)
4071 {
4072 pl->failmsg (format ("You can't use the %s with your %s!", query_name (transformer), query_name (marked)));
4073 return;
4074 }
4075
4076 /* check whether they are compatible or not */
4077 find = strstr (&marked->slaying, transformer->arch->archname);
4078 if (!find || (*(find + strlen (transformer->arch->archname)) != ':'))
4079 {
4080 pl->failmsg (format ("You can't use the %s with your %s!", query_name (transformer), query_name (marked)));
4081 return;
4082 }
4083
4084 find += strlen (transformer->arch->archname) + 1;
4085 /* Item can be used, now find how many and what it yields */
4086 if (isdigit (*(find)))
4087 {
4088 yield = atoi (find);
4089 if (yield < 1)
4090 {
4091 LOG (llevDebug, "apply_item_transformer: item %s has slaying-yield %d.", query_base_name (marked, 0), yield);
4092 yield = 1;
4093 }
4094 }
4095 else
4096 yield = 1;
4097
4098 while (isdigit (*find))
4099 find++;
4100
4101 while (*find == ' ')
4102 find++;
4103
4104 memset (got, 0, MAX_BUF);
4105
4106 if ((separator = strchr (find, ';')) != NULL)
4107 len = separator - find;
4108 else
4109 len = strlen (find);
4110
4111 if (len > MAX_BUF - 1)
4112 len = MAX_BUF - 1;
4113
4114 strcpy (got, find);
4115 got[len] = '\0';
4116
4117 /* Now create new item, remove used ones when required. */
4118 new_item = get_archetype (got);
4119 if (!new_item)
4120 {
4121 pl->failmsg (format ("This %s is strange, better to not use it.", query_base_name (marked, 0)));
4122 return;
4123 }
4124
4125 new_item->nrof = yield;
4126
4127 pl->statusmsg (format ("You %s the %s.", &transformer->slaying, query_base_name (marked, 0)));
4128
4129 pl->insert (new_item);
4130 /* Eat up one item */
4131 marked->decrease ();
4132
4133 /* Eat one transformer if needed */
4134 if (transformer->stats.food)
4135 if (--transformer->stats.food == 0)
4136 transformer->decrease ();
4137}
4138

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