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Comparing deliantra/server/server/apply.C (file contents):
Revision 1.187 by elmex, Tue Jan 13 13:29:57 2009 UTC vs.
Revision 1.248 by root, Tue Apr 6 04:28:48 2010 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 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 8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * it under the terms of the GNU General Public License as published by 9 * the terms of the Affero GNU General Public License as published by the
10 * the Free Software Foundation, either version 3 of the License, or 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * (at your option) any later version. 11 * option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 16 * GNU General Public License for more details.
17 * 17 *
18 * You should have received a copy of the GNU General Public License 18 * You should have received a copy of the Affero GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. 19 * and the GNU General Public License along with this program. If not, see
20 * <http://www.gnu.org/licenses/>.
20 * 21 *
21 * 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>
22 */ 23 */
23 24
24#include <cmath> 25#include <cmath>
25 26
… …
29#include <skills.h> 30#include <skills.h>
30#include <tod.h> 31#include <tod.h>
31 32
32#include <sproto.h> 33#include <sproto.h>
33 34
34/* Want this regardless of rplay. */ 35typedef bitset<NUM_TYPES> types_t;
35#include <sounds.h>
36 36
37/** 37// these must be in the inventory before they can be applied
38 * Check if op should abort moving victim because of it's race or slaying.
39 * Returns 1 if it should abort, returns 0 if it should continue.
40 */
41int
42should_director_abort (object *op, object *victim)
43{
44 int arch_flag, name_flag, race_flag;
45 38
46 /* Get flags to determine what of arch, name, and race should be checked. 39static const struct may_attempt_inv : types_t
47 * This is stored in subtype, and is a bitmask, the LSB is the arch flag, 40{
48 * the next is the name flag, and the last is the race flag. Also note, 41 may_attempt_inv ()
49 * if subtype is set to zero, that also goes to defaults of all affecting
50 * it. Examples:
51 * subtype 1: only arch
52 * subtype 3: arch or name
53 * subtype 5: arch or race
54 * subtype 7: all three
55 */
56 if (op->subtype)
57 { 42 {
58 arch_flag = op->subtype & 1; 43 set (WEAPON);
59 name_flag = op->subtype & 2; 44 set (ARMOUR);
60 race_flag = op->subtype & 4; 45 set (BOOTS);
46 set (GLOVES);
47 set (AMULET);
48 set (GIRDLE);
49 set (BRACERS);
50 set (SHIELD);
51 set (HELMET);
52 set (RING);
53 set (CLOAK);
54 set (WAND);
55 set (ROD);
56 set (HORN);
57 set (SKILL);
58 set (SPELL);
59 set (BOW);
60 set (RANGED);
61 set (BUILDER);
62 set (SKILL_TOOL);
61 } 63 }
62 else 64} may_attempt_inv;
65
66// these only make sense for the player
67
68static const struct may_attempt_player : types_t
69{
70 may_attempt_player ()
63 { 71 {
64 arch_flag = 1; 72 set (EXIT);
65 name_flag = 1; 73 set (BOOK);
66 race_flag = 1; 74 set (SKILLSCROLL);
75 set (SPELLBOOK);
76 set (TREASURE);
77 set (SAVEBED);
78 set (ARMOUR_IMPROVER);
79 set (WEAPON_IMPROVER);
80 set (CLOCK);
81 set (MENU);
82 set (LIGHTER); /* for lighting torches/lanterns/etc */
83 set (INSCRIBABLE);
84 set (SIGN);
85 set (BOOK);
67 } 86 }
87} may_attempt_player;
68 88
69 /* If the director has race set, only affect objects with a arch, 89// applying these _can_ be attempted, others cannot
70 * name or race that matches. 90// be applied at all. used by e.g. apply below.
71 */
72 if ((op->race) &&
73 ((!(victim->arch && arch_flag && victim->arch->archname) || op->race != victim->arch->archname)) &&
74 ((!(victim->name && name_flag) || op->race != victim->name)) &&
75 ((!(victim->race && race_flag) || op->race != victim->race)))
76 return 1;
77 91
78 /* If the director has slaying set, only affect objects where none 92static const struct may_attempt : types_t
79 * of arch, name, or race match.
80 */
81 if ((op->slaying) && (((victim->arch && arch_flag && victim->arch->archname && op->slaying == victim->arch->archname))) ||
82 ((victim->name && name_flag && op->slaying == victim->name)) ||
83 ((victim->race && race_flag && op->slaying == victim->race)))
84 return 1;
85
86 return 0;
87}
88
89/**
90 * This handles a player dropping money on an altar to identify stuff.
91 * It'll identify marked item, if none all items up to dropped money.
92 * Return value: 1 if money was destroyed, 0 if not.
93 */
94static int
95apply_id_altar (object *money, object *altar, object *pl)
96{ 93{
97 dynbuf_text buf; 94 may_attempt ()
98 95 : types_t ((types_t)may_attempt_player | (types_t)may_attempt_inv)
99 if (!pl || pl->type != PLAYER)
100 return 0;
101
102 /* Check for MONEY type is a special hack - it prevents 'nothing needs
103 * identifying' from being printed out more than it needs to be.
104 */
105 if (!check_altar_sacrifice (altar, money) || money->type != MONEY)
106 return 0;
107
108 /* if the player has a marked item, identify that if it needs to be
109 * identified. If it doesn't, then go through the player inventory.
110 */
111 if (object *marked = find_marked_object (pl))
112 if (!QUERY_FLAG (marked, FLAG_IDENTIFIED) && need_identify (marked))
113 {
114 if (operate_altar (altar, &money))
115 {
116 identify (marked);
117
118 buf.printf ("You have %s.\r", long_desc (marked, pl));
119 if (marked->msg)
120 buf << "The item has a story:\r" << marked->msg << "\n\n";
121
122 return !money;
123 }
124 }
125
126 for (object *id = pl->inv; id; id = id->below)
127 { 96 {
128 if (!QUERY_FLAG (id, FLAG_IDENTIFIED) && !id->invisible && need_identify (id)) 97 set (T_HANDLE);
129 { 98 set (TRIGGER);
130 if (operate_altar (altar, &money)) 99 set (SCROLL);
131 { 100 set (POTION);
132 identify (id); 101 set (CLOSE_CON);
133 102 set (CONTAINER);
134 buf.printf ("You have %s.\r", long_desc (id, pl)); 103 set (LAMP);
135 if (id->msg) 104 set (TORCH);
136 buf << "The item has a story:\r" << id->msg << "\n\n"; 105 set (DRINK);
137 106 set (FOOD);
138 /* If no more money, might as well quit now */ 107 set (FLESH);
139 if (!money || !check_altar_sacrifice (altar, money)) 108 set (POISON);
140 break; 109 set (POWER_CRYSTAL);
141 } 110 set (ITEM_TRANSFORMER);
142 else
143 {
144 LOG (llevError, "check_id_altar: Couldn't do sacrifice when we should have been able to\n");
145 break;
146 }
147 }
148 } 111 }
149 112} may_attempt;
150 if (buf.empty ())
151 pl->failmsg ("You have nothing that needs identifying");
152 else
153 pl->contr->infobox (MSG_CHANNEL ("identify"), buf);
154
155 return !money;
156}
157
158/**
159 * This checks whether the object has a "on_use_yield" field, and if so generated and drops
160 * matching item.
161 **/
162void
163handle_apply_yield (object *tmp)
164{
165 if (shstr_tmp yield = tmp->kv (shstr_on_use_yield))
166 archetype::get (yield)->insert_at (tmp, tmp, INS_BELOW_ORIGINATOR);
167}
168
169/**
170 * Handles applying a potion.
171 */
172int
173apply_potion (object *op, object *tmp)
174{
175 int got_one = 0, i;
176 object *force = 0, *floor = 0;
177
178 floor = GET_MAP_OB (op->map, op->x, op->y);
179
180 if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_SAFE)
181 {
182 op->failmsg ("Gods prevent you from using this here, it's sacred ground!");
183
184 CLEAR_FLAG (tmp, FLAG_APPLIED);
185 return 0;
186 }
187
188 if (op->type == PLAYER)
189 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
190 identify (tmp);
191
192 handle_apply_yield (tmp);
193
194 /* Potion of restoration - only for players */
195 if (op->type == PLAYER && (tmp->attacktype & AT_DEPLETE))
196 {
197 object *depl;
198 archetype *at;
199
200 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
201 {
202 op->drain_stat ();
203 op->update_stats ();
204 tmp->decrease ();
205 return 1;
206 }
207
208 if (!(at = archetype::find (ARCH_DEPLETION)))
209 {
210 LOG (llevError, "Could not find archetype depletion\n");
211 return 0;
212 }
213
214 depl = present_arch_in_ob (at, op);
215
216 if (depl)
217 {
218 for (i = 0; i < NUM_STATS; i++)
219 if (depl->stats.stat (i))
220 op->statusmsg (restore_msg[i]);
221
222 depl->destroy ();
223 op->update_stats ();
224 }
225 else
226 op->statusmsg ("Your potion had no effect.");
227
228 tmp->decrease ();
229 return 1;
230 }
231
232 /* improvement potion - only for players */
233 if (op->type == PLAYER && (tmp->attacktype & AT_GODPOWER))
234 {
235 for (i = 1; i < MIN (11, op->level); i++)
236 {
237 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
238 {
239 if (op->contr->levhp[i] != 1)
240 {
241 op->contr->levhp[i] = 1;
242 break;
243 }
244
245 if (op->contr->levsp[i] != 1)
246 {
247 op->contr->levsp[i] = 1;
248 break;
249 }
250
251 if (op->contr->levgrace[i] != 1)
252 {
253 op->contr->levgrace[i] = 1;
254 break;
255 }
256 }
257 else
258 {
259 if (op->contr->levhp[i] < 9)
260 {
261 op->contr->levhp[i] = 9;
262 break;
263 }
264
265 if (op->contr->levsp[i] < 6)
266 {
267 op->contr->levsp[i] = 6;
268 break;
269 }
270
271 if (op->contr->levgrace[i] < 3)
272 {
273 op->contr->levgrace[i] = 3;
274 break;
275 }
276 }
277 }
278
279 /* Just makes checking easier */
280 if (i < MIN (11, op->level))
281 got_one = 1;
282
283 if (!QUERY_FLAG (tmp, FLAG_CURSED) && !QUERY_FLAG (tmp, FLAG_DAMNED))
284 {
285 if (got_one)
286 {
287 op->update_stats ();
288 op->statusmsg ("The Gods smile upon you and remake you "
289 "a little more in their image. "
290 "You feel a little more perfect.", NDI_GREEN);
291 }
292 else
293 op->statusmsg ("The potion had no effect - you are already perfect.");
294 }
295 else
296 { /* cursed potion */
297 if (got_one)
298 {
299 op->update_stats ();
300 op->failmsg ("The Gods are angry and punish you.");
301 }
302 else
303 op->statusmsg ("You are fortunate that you are so pathetic.", NDI_DK_ORANGE);
304 }
305
306 tmp->decrease ();
307 return 1;
308 }
309
310
311 /* A potion that casts a spell. Healing, restore spellpoint (power potion)
312 * and heroism all fit into this category. Given the spell object code,
313 * there is no limit to the number of spells that potions can be cast,
314 * but direction is problematic to try and imbue fireball potions for example.
315 */
316 if (tmp->inv)
317 {
318 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
319 {
320 op->failmsg ("Yech! Your lungs are on fire!");
321 create_exploding_ball_at (op, op->level);
322 }
323 else
324 cast_spell (op, tmp, op->facing, tmp->inv, NULL);
325
326 tmp->decrease ();
327
328 /* if youre dead, no point in doing this... */
329 if (!QUERY_FLAG (op, FLAG_REMOVED))
330 op->update_stats ();
331
332 return 1;
333 }
334
335 /* Deal with protection potions */
336 force = NULL;
337 for (i = 0; i < NROFATTACKS; i++)
338 {
339 if (tmp->resist[i])
340 {
341 if (!force)
342 force = get_archetype (FORCE_NAME);
343
344 memcpy (force->resist, tmp->resist, sizeof (tmp->resist));
345 force->type = POTION_EFFECT;
346 break; /* Only need to find one protection since we copy entire batch */
347 }
348 }
349
350 /* This is a protection potion */
351 if (force)
352 {
353 /* cursed items last longer */
354 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
355 {
356 force->stats.food *= 10;
357 for (i = 0; i < NROFATTACKS; i++)
358 if (force->resist[i] > 0)
359 force->resist[i] = -force->resist[i]; /* prot => vuln */
360 }
361
362 force->speed_left = -1;
363 force = insert_ob_in_ob (force, op);
364 CLEAR_FLAG (tmp, FLAG_APPLIED);
365 SET_FLAG (force, FLAG_APPLIED);
366 change_abil (op, force);
367 tmp->decrease ();
368 return 1;
369 }
370
371 /* Only thing left are the stat potions */
372 if (op->type == PLAYER)
373 { /* only for players */
374 if ((QUERY_FLAG (tmp, FLAG_CURSED)
375 || QUERY_FLAG (tmp, FLAG_DAMNED))
376 && tmp->value != 0)
377 CLEAR_FLAG (tmp, FLAG_APPLIED);
378 else
379 SET_FLAG (tmp, FLAG_APPLIED);
380
381 if (!change_abil (op, tmp))
382 op->statusmsg ("Nothing happened.");
383 }
384
385 /* CLEAR_FLAG is so that if the character has other potions
386 * that were grouped with the one consumed, his
387 * stat will not be raised by them. fix_player just clears
388 * up all the stats.
389 */
390 CLEAR_FLAG (tmp, FLAG_APPLIED);
391 op->update_stats ();
392 tmp->decrease ();
393 return 1;
394}
395 113
396/**************************************************************************** 114/****************************************************************************
397 * Weapon improvement code follows 115 * Weapon improvement code follows
398 ****************************************************************************/ 116 ****************************************************************************/
117
118/**
119 * This function just checks whether who can handle equipping an item
120 * with item_power.
121 */
122static bool
123check_item_power (object *who, int item_power)
124{
125 if (who->type == PLAYER
126 && item_power
127 && item_power + who->contr->item_power > settings.item_power_factor * who->level)
128 return false;
129 else
130 return true;
131}
399 132
400/** 133/**
401 * This returns the sum of nrof of item (arch name). 134 * This returns the sum of nrof of item (arch name).
402 */ 135 */
403static int 136static int
… …
450 } 183 }
451 184
452 prev = op; 185 prev = op;
453 op = op->below; 186 op = op->below;
454 } 187 }
455}
456
457/**
458 * This checks to see of the player (who) is sufficient level to use a weapon
459 * with improvs improvements (typically last_eat). We take an int here
460 * instead of the object so that the improvement code can pass along the
461 * increased value to see if the object is usuable.
462 * we return 1 (true) if the player can use the weapon.
463 */
464static int
465check_weapon_power (const object *who, int improvs)
466{
467/* Old code is below (commented out). Basically, since weapons are the only
468 * object players really have any control to improve, it's a bit harsh to
469 * require high level in some combat skill, so we just use overall level.
470 */
471#if 1
472 if (((who->level / 5) + 5) >= improvs)
473 return 1;
474 else
475 return 0;
476
477#else
478 int level = 0;
479
480 /* The skill system hands out wc and dam bonuses to fighters
481 * more generously than the old system (see fix_player). Thus
482 * we need to curtail the power of player enchanted weapons.
483 * I changed this to 1 improvement per "fighter" level/5 -b.t.
484 * Note: Nothing should break by allowing this ratio to be different or
485 * using normal level - it is just a matter of play balance.
486 */
487 if (who->type == PLAYER)
488 {
489 object *wc_obj = NULL;
490
491 for (wc_obj = who->inv; wc_obj; wc_obj = wc_obj->below)
492 if (wc_obj->type == SKILL && IS_COMBAT_SKILL (wc_obj->subtype) && wc_obj->level > level)
493 level = wc_obj->level;
494
495 if (!level)
496 {
497 LOG (llevError, "Error: Player: %s lacks wc experience object\n", who->name);
498 level = who->level;
499 }
500 }
501 else
502 level = who->level;
503
504 return (improvs <= ((level / 5) + 5));
505#endif
506} 188}
507 189
508/** 190/**
509 * Returns how many items of type improver->slaying there are under op. 191 * Returns how many items of type improver->slaying there are under op.
510 * Will display a message if none found, and 1 if improver->slaying is NULL. 192 * Will display a message if none found, and 1 if improver->slaying is NULL.
… …
566 248
567/** 249/**
568 * This does the prepare weapon scroll. 250 * This does the prepare weapon scroll.
569 * Checks for sacrifice, and so on. 251 * Checks for sacrifice, and so on.
570 */ 252 */
571int 253static int
572prepare_weapon (object *op, object *improver, object *weapon) 254prepare_weapon (object *op, object *improver, object *weapon)
573{ 255{
574 int sacrifice_count, i; 256 int sacrifice_count, i;
575 char buf[MAX_BUF]; 257 char buf[MAX_BUF];
576 258
… …
629 * 311 *
630 * We are hiding extra information about the weapon in the level and 312 * We are hiding extra information about the weapon in the level and
631 * last_eat numbers for an object. Hopefully this won't break anything ?? 313 * last_eat numbers for an object. Hopefully this won't break anything ??
632 * level == max improve last_eat == current improve 314 * level == max improve last_eat == current improve
633 */ 315 */
634int 316static int
635improve_weapon (object *op, object *improver, object *weapon) 317improve_weapon (object *op, object *improver, object *weapon)
636{ 318{
637 int sacrifice_count, sacrifice_needed = 0; 319 int sacrifice_count, sacrifice_needed = 0;
638 320
639 if (improver->stats.sp == IMPROVE_PREPARE) 321 if (improver->stats.sp == IMPROVE_PREPARE)
640 return prepare_weapon (op, improver, weapon); 322 return prepare_weapon (op, improver, weapon);
641 323
642 if (weapon->level == 0) 324 if (weapon->level == 0)
643 { 325 {
644 op->failmsg ("This weapon has not been prepared. H<You first ahve to prepare a weapon with a prepare weapon scroll.>"); 326 op->failmsg (
327 "This weapon has not been prepared."
328 " H<You first have to prepare a weapon with a prepare weapon scroll.>");
645 return 0; 329 return 0;
646 } 330 }
647 331
648 if (weapon->level == weapon->last_eat && weapon->item_power >= 100) 332 if (weapon->last_eat >= weapon->level // improvements used up
333 || weapon->item_power >= 100) // or item_power >= arbitrary limit of 100
649 { 334 {
650 op->failmsg ("This weapon cannot be improved any more."); 335 op->failmsg ("This weapon cannot be improved any more.");
651 return 0; 336 return 0;
652 } 337 }
653 338
654 if (QUERY_FLAG (weapon, FLAG_APPLIED) && !check_weapon_power (op, weapon->last_eat + 1)) 339 if (QUERY_FLAG (weapon, FLAG_APPLIED)
340 && !check_item_power (op, weapon->item_power + 1))
655 { 341 {
656 op->failmsg ("Improving the weapon will make it too " 342 op->failmsg ("Improving the weapon will make it too "
657 "powerful for you to use. Unready it if you " 343 "powerful for you to use. Unready it if you "
658 "really want to improve it."); 344 "really want to improve it.");
659 return 0; 345 return 0;
… …
737/** 423/**
738 * Handles the applying of improve/prepare/enchant weapon scroll. 424 * Handles the applying of improve/prepare/enchant weapon scroll.
739 * Checks a few things (not on a non-magic square, marked weapon, ...), 425 * Checks a few things (not on a non-magic square, marked weapon, ...),
740 * then calls improve_weapon to do the dirty work. 426 * then calls improve_weapon to do the dirty work.
741 */ 427 */
742int 428static int
743check_improve_weapon (object *op, object *tmp) 429check_improve_weapon (object *op, object *tmp)
744{ 430{
745 object *otmp; 431 object *otmp;
746 432
747 if (op->type != PLAYER) 433 if (op->type != PLAYER)
… …
794 * the armour value of the piece of equipment exceed either 480 * the armour value of the piece of equipment exceed either
795 * the users level or 90) 481 * the users level or 90)
796 * Modified by MSW for partial resistance. Only support 482 * Modified by MSW for partial resistance. Only support
797 * changing of physical area right now. 483 * changing of physical area right now.
798 */ 484 */
799int 485static int
800improve_armour (object *op, object *improver, object *armour) 486improve_armour (object *op, object *improver, object *armour)
801{ 487{
802 object *tmp; 488 object *tmp;
803 489
804 if (armour->magic >= settings.armor_max_enchant) 490 if (armour->magic >= settings.armor_max_enchant)
… …
888 * Takes one type of items and makes another. 574 * Takes one type of items and makes another.
889 * converter is the object that is doing the conversion. 575 * converter is the object that is doing the conversion.
890 * item is the object that triggered the converter - if it is not 576 * item is the object that triggered the converter - if it is not
891 * what the converter wants, this will not do anything. 577 * what the converter wants, this will not do anything.
892 */ 578 */
893static int 579int
894convert_item (object *item, object *converter) 580convert_item (object *item, object *converter)
895{ 581{
896 sint64 nr, price_in; 582 sint64 nr = 0, price_in;
897 583
898 if (item->flag [FLAG_UNPAID]) 584 if (item->flag [FLAG_UNPAID])
899 return 0; 585 return 0;
900 586
901 shstr conv_from = converter->slaying; 587 shstr conv_from = converter->slaying;
902 archetype *conv_to = converter->other_arch; 588 archetype *conv_to = converter->other_arch;
903 sint64 need = converter->stats.food; 589 sint64 need = converter->stats.food;
904 sint64 give = converter->stats.sp; 590 sint64 give = converter->stats.sp;
905 591
… …
982 item->nrof *= nr; 668 item->nrof *= nr;
983 669
984 if (converter->flag [FLAG_PRECIOUS]) 670 if (converter->flag [FLAG_PRECIOUS])
985 SET_FLAG (item, FLAG_UNPAID); 671 SET_FLAG (item, FLAG_UNPAID);
986 672
987 if (is_in_shop (converter)) 673 if (converter->is_in_shop ())
988 { 674 {
989 // converters on shop floors don't work anymore, bug lets check for it 675 // converters on shop floors don't work anymore, bug lets check for it
990 // and report in case someone still does it. 676 // and report in case someone still does it.
991 LOG (llevDebug, "ITEMBUG: broken converter, converters on shop floor don't work: %s\n", 677 LOG (llevDebug, "ITEMBUG: broken converter, converters on shop floor don't work: %s\n",
992 converter->debug_desc ()); 678 converter->debug_desc ());
… …
1015 * Handle apply on containers. 701 * Handle apply on containers.
1016 * By Eneq(@csd.uu.se). 702 * By Eneq(@csd.uu.se).
1017 * 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]
1018 * added the alchemical cauldron to the code -b.t. 704 * added the alchemical cauldron to the code -b.t.
1019 */ 705 */
1020int 706static int
1021apply_container (object *op, object *sack) 707apply_container (object *op, object *sack)
1022{ 708{
1023 if (op->type != PLAYER || !op->contr->ns) 709 if (op->type != PLAYER || !op->contr->ns)
1024 return 0; /* This might change */ 710 return 0; /* This might change */
1025 711
… …
1038 } 724 }
1039 725
1040 // already applied == open on ground, or open in inv, or active in inv 726 // already applied == open on ground, or open in inv, or active in inv
1041 if (sack->flag [FLAG_APPLIED]) 727 if (sack->flag [FLAG_APPLIED])
1042 { 728 {
1043 if (op->container == sack) 729 if (op->container_ () == sack)
1044 { 730 {
1045 // open on ground or inv, so close 731 // open on ground or inv, so close
1046 op->close_container (); 732 op->close_container ();
1047 return 1; 733 return 1;
1048 } 734 }
… …
1091{ 777{
1092 /* Only players can make sacrifices on spell casting altars. */ 778 /* Only players can make sacrifices on spell casting altars. */
1093 if (altar->inv && (!originator || originator->type != PLAYER)) 779 if (altar->inv && (!originator || originator->type != PLAYER))
1094 return 0; 780 return 0;
1095 781
1096 if (operate_altar (altar, &sacrifice)) 782 if (operate_altar (altar, &sacrifice, originator))
1097 { 783 {
1098 /* Simple check. Unfortunately, it means you can't cast magic bullet 784 /* Simple check. Unfortunately, it means you can't cast magic bullet
1099 * with an altar. We call it a Potion - altars are stationary - it 785 * with an altar. We call it a Potion - altars are stationary - it
1100 * is up to map designers to use them properly. 786 * is up to map designers to use them properly.
1101 */ 787 */
… …
1137 823
1138 SET_FLAG (op, FLAG_NO_APPLY); /* prevent loops */ 824 SET_FLAG (op, FLAG_NO_APPLY); /* prevent loops */
1139 825
1140 bool has_unpaid = false; 826 bool has_unpaid = false;
1141 827
1142 // quite inefficient to do this here twice, but the api doesn'T lend itself to 828 // quite inefficient to do this here twice, but the api doesn't lend itself to
1143 // a quick and small change :( 829 // a quick and small change :(
1144 for (object::depth_iterator item = op->begin (); item != op->end (); ++item) 830 for (object::depth_iterator item = op->begin (); item != op->end (); ++item)
1145 if (item->flag [FLAG_UNPAID]) 831 if (item->flag [FLAG_UNPAID])
1146 { 832 {
1147 has_unpaid = true; 833 has_unpaid = true;
… …
1195 /* this is only used for players */ 881 /* this is only used for players */
1196 rv = teleport (shop_mat, SHOP_MAT, op); 882 rv = teleport (shop_mat, SHOP_MAT, op);
1197 883
1198 if (has_unpaid) 884 if (has_unpaid)
1199 op->contr->play_sound (sound_find ("shop_buy")); 885 op->contr->play_sound (sound_find ("shop_buy"));
1200 else if (is_in_shop (op)) 886 else if (op->is_in_shop ())
1201 op->contr->play_sound (sound_find ("shop_enter")); 887 op->contr->play_sound (sound_find ("shop_enter"));
1202 else 888 else
1203 op->contr->play_sound (sound_find ("shop_leave")); 889 op->contr->play_sound (sound_find ("shop_leave"));
1204 890
1205 if (shop_mat->msg) 891 if (shop_mat->msg)
1206 op->statusmsg (shop_mat->msg); 892 op->statusmsg (shop_mat->msg);
1207 /* This check below is a bit simplistic - generally it should be correct, 893 /* This check below is a bit simplistic - generally it should be correct,
1208 * but there is never a guarantee that the bottom space on the map is 894 * but there is never a guarantee that the bottom space on the map is
1209 * actually the shop floor. 895 * actually the shop floor.
1210 */ 896 */
1211 else if (!rv && !is_in_shop (op)) 897 else if (!rv && !op->is_in_shop ())
1212 { 898 {
1213 opinion = shopkeeper_approval (op->map, op); 899 opinion = shopkeeper_approval (op->map, op);
1214 900
1215 op->statusmsg ( 901 op->statusmsg (
1216 opinion >= 0.90 ? "The shopkeeper gives you a friendly wave." 902 opinion >= 0.90 ? "The shopkeeper gives you a friendly wave."
… …
1335 EXIT_Y (trap) + freearr_y[dir], 1021 EXIT_Y (trap) + freearr_y[dir],
1336 0, victim); 1022 0, victim);
1337} 1023}
1338 1024
1339/** 1025/**
1340 * 'victim' moves onto 'trap'
1341 * 'victim' leaves 'trap'
1342 * effect is determined by move_on/move_off of trap and move_type of victime.
1343 *
1344 * originator: Player, monster or other object that caused 'victim' to move
1345 * onto 'trap'. Will receive messages caused by this action. May be NULL.
1346 * However, some types of traps require an originator to function.
1347 */
1348void
1349move_apply (object *trap, object *victim, object *originator)
1350{
1351 static int recursion_depth = 0;
1352
1353 /* Only exits affect DMs. */
1354 if (QUERY_FLAG (victim, FLAG_WIZPASS) && trap->type != EXIT && trap->type != SIGN)
1355 return;
1356
1357 /* move_apply() is the most likely candidate for causing unwanted and
1358 * possibly unlimited recursion.
1359 */
1360 /* The following was changed because it was causing perfeclty correct
1361 * maps to fail. 1) it's not an error to recurse:
1362 * rune detonates, summoning monster. monster lands on nearby rune.
1363 * nearby rune detonates. This sort of recursion is expected and
1364 * proper. This code was causing needless crashes.
1365 */
1366 if (recursion_depth >= 500)
1367 {
1368 LOG (llevDebug, "WARNING: move_apply(): aborting recursion "
1369 "[trap arch %s, name %s; victim arch %s, name %s]\n", &trap->arch->archname, &trap->name, &victim->arch->archname, &victim->name);
1370 return;
1371 }
1372
1373 recursion_depth++;
1374 if (trap->head)
1375 trap = trap->head;
1376
1377 if (INVOKE_OBJECT (MOVE_TRIGGER, trap, ARG_OBJECT (victim), ARG_OBJECT (originator)))
1378 goto leave;
1379
1380 switch (trap->type)
1381 {
1382 case PLAYERMOVER:
1383 if (trap->attacktype && (trap->level || victim->type != PLAYER) && !should_director_abort (trap, victim))
1384 {
1385 if (!trap->stats.maxsp)
1386 trap->stats.maxsp = 2;
1387
1388 /* Is this correct? From the docs, it doesn't look like it
1389 * should be divided by trap->speed
1390 */
1391 victim->speed_left = -FABS (trap->stats.maxsp * victim->speed / trap->speed);
1392
1393 /* Just put in some sanity check. I think there is a bug in the
1394 * above with some objects have zero speed, and thus the player
1395 * getting permanently paralyzed.
1396 */
1397 if (victim->speed_left < -50.f)
1398 victim->speed_left = -50.f;
1399 /* LOG(llevDebug, "apply, playermove, player speed_left=%f\n", victim->speed_left); */
1400 }
1401 goto leave;
1402
1403 case SPINNER:
1404 if (victim->direction)
1405 {
1406 victim->direction = absdir (victim->direction - trap->stats.sp);
1407 update_turn_face (victim);
1408 }
1409 goto leave;
1410
1411 case DIRECTOR:
1412 if (victim->direction && !should_director_abort (trap, victim))
1413 {
1414 victim->direction = trap->stats.sp;
1415 update_turn_face (victim);
1416 }
1417 goto leave;
1418
1419 case BUTTON:
1420 case PEDESTAL:
1421 update_button (trap, originator);
1422 goto leave;
1423
1424 case ALTAR:
1425 /* sacrifice victim on trap */
1426 apply_altar (trap, victim, originator);
1427 goto leave;
1428
1429 case THROWN_OBJ:
1430 if (trap->inv == NULL)
1431 goto leave;
1432 /* fallthrough */
1433
1434 case ARROW:
1435 /* bad bug: monster throw a object, make a step forwards, step on object ,
1436 * trigger this here and get hit by own missile - and will be own enemy.
1437 * Victim then is his own enemy and will start to kill herself (this is
1438 * removed) but we have not synced victim and his missile. To avoid senseless
1439 * action, we avoid hits here
1440 */
1441 if ((QUERY_FLAG (victim, FLAG_ALIVE) && trap->speed) && trap->owner != victim)
1442 hit_with_arrow (trap, victim);
1443 goto leave;
1444
1445 case SPELL_EFFECT:
1446 apply_spell_effect (trap, victim);
1447 goto leave;
1448
1449 case TRAPDOOR:
1450 {
1451 int max, sound_was_played;
1452 object *ab, *ab_next;
1453
1454 if (!trap->value)
1455 {
1456 int tot;
1457
1458 for (ab = trap->above, tot = 0; ab; ab = ab->above)
1459 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
1460 tot += ab->head_ ()->total_weight ();
1461
1462 if (!(trap->value = (tot > trap->weight) ? 1 : 0))
1463 goto leave;
1464
1465 SET_ANIMATION (trap, trap->value);
1466 update_object (trap, UP_OBJ_FACE);
1467 }
1468
1469 for (ab = trap->above, max = 100, sound_was_played = 0; --max && ab; ab = ab_next)
1470 {
1471 /* need to set this up, since if we do transfer the object,
1472 * ab->above would be bogus
1473 */
1474 ab_next = ab->above;
1475
1476 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
1477 {
1478 if (!sound_was_played)
1479 {
1480 trap->play_sound (trap->sound ? trap->sound : sound_find ("fall_hole"));
1481 sound_was_played = 1;
1482 }
1483
1484 ab->statusmsg ("You fall into a trapdoor!", NDI_RED);
1485 transfer_ob (ab, EXIT_X (trap), EXIT_Y (trap), 0, ab);
1486 }
1487 }
1488 goto leave;
1489 }
1490
1491 case CONVERTER:
1492 if (convert_item (victim, trap) < 0)
1493 {
1494 originator->failmsg (format ("The %s seems to be broken!", query_name (trap)));
1495 archetype::get (shstr_burnout)->insert_at (trap, trap);
1496 }
1497
1498 goto leave;
1499
1500 case TRIGGER_BUTTON:
1501 case TRIGGER_PEDESTAL:
1502 case TRIGGER_ALTAR:
1503 check_trigger (trap, victim);
1504 goto leave;
1505
1506 case DEEP_SWAMP:
1507 walk_on_deep_swamp (trap, victim);
1508 goto leave;
1509
1510 case CHECK_INV:
1511 check_inv (victim, trap);
1512 goto leave;
1513
1514 case HOLE:
1515 move_apply_hole (trap, victim);
1516 goto leave;
1517
1518 case EXIT:
1519 if (victim->type == PLAYER && EXIT_PATH (trap))
1520 {
1521 /* Basically, don't show exits leading to random maps the
1522 * players output.
1523 */
1524 if (trap->msg && !EXIT_PATH (trap).starts_with ("/!"))
1525 victim->statusmsg (trap->msg, NDI_NAVY);
1526
1527 trap->play_sound (trap->sound);
1528 victim->enter_exit (trap);
1529 }
1530 goto leave;
1531
1532 case ENCOUNTER:
1533 /* may be some leftovers on this */
1534 goto leave;
1535
1536 case SHOP_MAT:
1537 apply_shop_mat (trap, victim);
1538 goto leave;
1539
1540 /* Drop a certain amount of gold, and have one item identified */
1541 case IDENTIFY_ALTAR:
1542 apply_id_altar (victim, trap, originator);
1543 goto leave;
1544
1545 case SIGN:
1546 if (victim->type != PLAYER && trap->stats.food > 0)
1547 goto leave; /* monsters musn't apply magic_mouths with counters */
1548
1549 apply_sign (victim, trap, 1);
1550 goto leave;
1551
1552 case CONTAINER:
1553 apply_container (victim, trap);
1554 goto leave;
1555
1556 case RUNE:
1557 case TRAP:
1558 if (trap->level && QUERY_FLAG (victim, FLAG_ALIVE))
1559 spring_trap (trap, victim);
1560 goto leave;
1561
1562 default:
1563 LOG (llevDebug, "name %s, arch %s, type %d with fly/walk on/off not "
1564 "handled in move_apply()\n", &trap->name, &trap->arch->archname, trap->type);
1565 goto leave;
1566 }
1567
1568leave:
1569 recursion_depth--;
1570}
1571
1572/**
1573 * Handles reading a regular (ie not containing a spell) book.
1574 */
1575static void
1576apply_book (object *op, object *tmp)
1577{
1578 int lev_diff;
1579 object *skill_ob;
1580
1581 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
1582 {
1583 op->failmsg ("You are unable to read while blind!");
1584 return;
1585 }
1586
1587 if (!tmp->msg)
1588 {
1589 op->failmsg (format ("You open the %s and find it empty.", &tmp->name));
1590 return;
1591 }
1592
1593 /* need a literacy skill to read stuff! */
1594 skill_ob = find_skill_by_name (op, tmp->skill);
1595 if (!skill_ob)
1596 {
1597 op->failmsg (format ("You are unable to decipher the strange symbols. H<You lack the %s skill to read this.>", &tmp->skill));
1598 return;
1599 }
1600
1601 lev_diff = tmp->level - (skill_ob->level + 5);
1602 if (!QUERY_FLAG (op, FLAG_WIZ) && lev_diff > 0)
1603 {
1604 op->failmsg (lev_diff < 2 ? "This book is just barely beyond your comprehension."
1605 : lev_diff < 3 ? "This book is slightly beyond your comprehension."
1606 : lev_diff < 5 ? "This book is beyond your comprehension."
1607 : lev_diff < 8 ? "This book is quite a bit beyond your comprehension."
1608 : lev_diff < 15 ? "This book is way beyond your comprehension."
1609 : "This book is totally beyond your comprehension.");
1610 return;
1611 }
1612
1613 readable_message_type *msgType = get_readable_message_type (tmp);
1614
1615 if (player *pl = op->contr)
1616 if (client *ns = pl->ns)
1617 pl->infobox (MSG_CHANNEL ("book"), format ("T<%s>\n\n%s", (char *)long_desc (tmp, op), &tmp->msg));
1618
1619 /* gain xp from reading */
1620 if (!QUERY_FLAG (tmp, FLAG_NO_SKILL_IDENT))
1621 { /* only if not read before */
1622 int exp_gain = calc_skill_exp (op, tmp, skill_ob);
1623
1624 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
1625 {
1626 /*exp_gain *= 2; because they just identified it too */
1627 SET_FLAG (tmp, FLAG_IDENTIFIED);
1628
1629 if (object *pl = tmp->visible_to ())
1630 esrv_update_item (UPD_FLAGS | UPD_NAME, pl, tmp);
1631 }
1632
1633 change_exp (op, exp_gain, skill_ob->skill, 0);
1634 SET_FLAG (tmp, FLAG_NO_SKILL_IDENT); /* so no more xp gained from this book */
1635 }
1636}
1637
1638/**
1639 * Handles the applying of a skill scroll, calling learn_skill straight.
1640 * op is the person learning the skill, tmp is the skill scroll object
1641 */
1642static void
1643apply_skillscroll (object *op, object *tmp)
1644{
1645 switch (learn_skill (op, tmp))
1646 {
1647 case 0:
1648 op->play_sound (sound_find ("generic_fail"));
1649 op->failmsg (format ("You already possess the knowledge held within the %s.", query_name (tmp)));
1650 break;
1651
1652 case 1:
1653 tmp->decrease ();
1654 op->play_sound (sound_find ("skill_learn"));
1655 op->statusmsg (format ("You succeed in learning %s", &tmp->skill));
1656 break;
1657
1658 default:
1659 tmp->decrease ();
1660 op->play_sound (sound_find ("generic_fail"));
1661 op->failmsg (format ("You fail to learn the knowledge of the %s.\n", query_name (tmp)));
1662 break;
1663 }
1664}
1665
1666/**
1667 * Actually makes op learn spell.
1668 * Informs player of what happens.
1669 */
1670void
1671do_learn_spell (object *op, object *spell, int special_prayer)
1672{
1673 object *tmp;
1674
1675 if (op->type != PLAYER)
1676 {
1677 LOG (llevError, "BUG: do_learn_spell(): not a player\n");
1678 return;
1679 }
1680
1681 /* Upgrade special prayers to normal prayers */
1682 if ((tmp = check_spell_known (op, spell->name)) != NULL)
1683 {
1684 if (special_prayer && !QUERY_FLAG (tmp, FLAG_STARTEQUIP))
1685 {
1686 LOG (llevError, "BUG: do_learn_spell(): spell already known, but not marked as startequip\n");
1687 return;
1688 }
1689 return;
1690 }
1691
1692 op->contr->play_sound (sound_find ("learn_spell"));
1693
1694 tmp = spell->clone ();
1695 insert_ob_in_ob (tmp, op);
1696
1697 if (special_prayer)
1698 SET_FLAG (tmp, FLAG_STARTEQUIP);
1699
1700 esrv_add_spells (op->contr, tmp);
1701}
1702
1703/**
1704 * Erases spell from player's inventory.
1705 */
1706void
1707do_forget_spell (object *op, const char *spell)
1708{
1709 object *spob;
1710
1711 if (op->type != PLAYER)
1712 {
1713 LOG (llevError, "BUG: do_forget_spell(): not a player\n");
1714 return;
1715 }
1716 if ((spob = check_spell_known (op, spell)) == NULL)
1717 {
1718 LOG (llevError, "BUG: do_forget_spell(): spell not known\n");
1719 return;
1720 }
1721
1722 op->failmsg (format ("You lose knowledge of %s.", spell));
1723 player_unready_range_ob (op->contr, spob);
1724 esrv_remove_spell (op->contr, spob);
1725 spob->destroy ();
1726}
1727
1728/**
1729 * Handles player applying a spellbook.
1730 * Checks whether player has knowledge of required skill, doesn't already know the spell,
1731 * stuff like that. Random learning failure too.
1732 */
1733static void
1734apply_spellbook (object *op, object *tmp)
1735{
1736 object *skop, *spell, *spell_skill;
1737
1738 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
1739 {
1740 op->failmsg ("You are unable to read while blind.");
1741 return;
1742 }
1743
1744 /* artifact_spellbooks have 'slaying' field point to a spell name,
1745 * instead of having their spell stored in stats.sp. These are
1746 * legacy spellbooks
1747 */
1748 if (tmp->slaying)
1749 {
1750 spell = arch_to_object (find_archetype_by_object_name (tmp->slaying));
1751 if (!spell)
1752 {
1753 op->failmsg (format ("The book's formula for %s is incomplete.", &tmp->slaying));
1754 return;
1755 }
1756 else
1757 insert_ob_in_ob (spell, tmp);
1758
1759 tmp->slaying = 0;
1760 }
1761
1762 skop = find_skill_by_name (op, tmp->skill);
1763
1764 /* need a literacy skill to learn spells. Also, having a literacy level
1765 * lower than the spell will make learning the spell more difficult */
1766 if (!skop)
1767 {
1768 op->failmsg (format ("You can't read! Your attempt fails. H<You lack the %s skill.>", &tmp->skill));
1769 return;
1770 }
1771
1772 spell = tmp->inv;
1773
1774 if (!spell)
1775 {
1776 LOG (llevError, "apply_spellbook: Book %s has no spell in it!\n", &tmp->name);
1777 op->failmsg ("The spellbook symbols make no sense. This is a bug, please report!");
1778 return;
1779 }
1780
1781 if (skop->level < int (sqrtf (spell->level) * 1.5f))
1782 {
1783 op->failmsg (format ("You are unable to decipher the strange symbols. H<Your %s level is too low.>", &tmp->skill));
1784 return;
1785 }
1786
1787 op->statusmsg (format ("The spellbook contains the %s level spell %s.", get_levelnumber (spell->level), &spell->name));
1788
1789 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
1790 identify (tmp);
1791
1792 /* I removed the check for special_prayer_mark here - it didn't make
1793 * a lot of sense - special prayers are not found in spellbooks, and
1794 * if the player doesn't know the spell, doesn't make a lot of sense that
1795 * they would have a special prayer mark.
1796 */
1797 if (check_spell_known (op, spell->name))
1798 {
1799 op->statusmsg ("You already know that spell. H<It makes no sense to learn spells twice, and would only waste the spellbook.>\n");
1800 return;
1801 }
1802
1803 if (spell->skill)
1804 {
1805 spell_skill = find_skill_by_name (op, spell->skill);
1806
1807 if (!spell_skill)
1808 {
1809 op->failmsg (format ("You lack the skill %s to use this spell.", &spell->skill));
1810 return;
1811 }
1812
1813 if (spell_skill->level < spell->level)
1814 {
1815 op->failmsg (format ("You need to be level %d in %s to learn this spell.", spell->level, &spell->skill));
1816 return;
1817 }
1818 }
1819
1820 /* Logic as follows
1821 *
1822 * 1- MU spells use Int to learn, Cleric spells use Wisdom
1823 *
1824 * 2- The learner's skill level in literacy adjusts the chance to learn
1825 * a spell.
1826 *
1827 * 3 -Automatically fail to learn if you read while confused
1828 *
1829 * Overall, chances are the same but a player will find having a high
1830 * literacy rate very useful! -b.t.
1831 */
1832 if (QUERY_FLAG (op, FLAG_CONFUSED))
1833 {
1834 op->failmsg ("In your confused state you flub the wording of the text!");
1835 scroll_failure (op, 0 - random_roll (0, spell->level, op, PREFER_LOW), MAX (spell->stats.sp, spell->stats.grace));
1836 }
1837 else if (QUERY_FLAG (tmp, FLAG_STARTEQUIP) ||
1838 (random_roll (0, 100, op, PREFER_LOW) - (5 * skop->level)) < learn_spell[spell->stats.grace ? op->stats.Wis : op->stats.Int])
1839 {
1840 op->statusmsg ("You succeed in learning the spell!", NDI_GREEN);
1841 do_learn_spell (op, spell, 0);
1842
1843 /* xp gain to literacy for spell learning */
1844 if (!QUERY_FLAG (tmp, FLAG_STARTEQUIP))
1845 change_exp (op, calc_skill_exp (op, tmp, skop), skop->skill, 0);
1846 }
1847 else
1848 {
1849 op->contr->play_sound (sound_find ("fumble_spell"));
1850 op->failmsg ("You fail to learn the spell. H<Wis (priests) or Int (wizards) governs the chance of learning a prayer or spell.>\n");
1851 }
1852
1853 tmp->decrease ();
1854}
1855
1856/**
1857 * Handles applying a spell scroll.
1858 */
1859void
1860apply_scroll (object *op, object *tmp, int dir)
1861{
1862 object *skop;
1863
1864 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
1865 {
1866 op->failmsg ("You are unable to read while blind.");
1867 return;
1868 }
1869
1870 if (!tmp->inv || tmp->inv->type != SPELL)
1871 {
1872 op->failmsg ("The scroll just doesn't make sense! H<...and never will make sense.>");
1873 return;
1874 }
1875
1876 if (op->type == PLAYER)
1877 {
1878 /* players need a literacy skill to read stuff! */
1879 int exp_gain = 0;
1880
1881 /* hard code literacy - tmp->skill points to where the exp
1882 * should go for anything killed by the spell.
1883 */
1884 skop = find_skill_by_name (op, skill_names[SK_LITERACY]);
1885
1886 if (!skop)
1887 {
1888 op->failmsg (format ("You are unable to decipher the strange symbols. H<You lack the %s skill.>", &skill_names[SK_LITERACY]));
1889 return;
1890 }
1891
1892 if ((exp_gain = calc_skill_exp (op, tmp, skop)))
1893 change_exp (op, exp_gain, skop->skill, 0);
1894 }
1895
1896 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
1897 identify (tmp);
1898
1899 op->statusmsg (format ("The scroll of %s turns to dust.", &tmp->inv->name));
1900
1901 cast_spell (op, tmp, dir, tmp->inv, NULL);
1902 tmp->decrease ();
1903}
1904
1905/**
1906 * Applies a treasure object - by default, chest. op
1907 * is the person doing the applying, tmp is the treasure
1908 * chest.
1909 */
1910static void
1911apply_treasure (object *op, object *tmp)
1912{
1913 /* Nice side effect of this treasure creation method is that the treasure
1914 * for the chest is done when the chest is created, and put into the chest
1915 * inventory. So that when the chest burns up, the items still exist. Also
1916 * prevents people from moving chests to more difficult maps to get better
1917 * treasure
1918 */
1919 object *treas = tmp->inv;
1920
1921 if (!treas)
1922 {
1923 op->statusmsg ("The chest was empty.");
1924 tmp->decrease ();
1925 return;
1926 }
1927
1928 while (tmp->inv)
1929 {
1930 treas = tmp->inv;
1931 treas->remove ();
1932
1933 treas->x = op->x;
1934 treas->y = op->y;
1935 treas = insert_ob_in_map (treas, op->map, op, INS_BELOW_ORIGINATOR);
1936
1937 if (treas && (treas->type == RUNE || treas->type == TRAP) && treas->level && QUERY_FLAG (op, FLAG_ALIVE))
1938 spring_trap (treas, op);
1939
1940 /* If either player or container was destroyed, no need to do
1941 * further processing. I think this should be enclused with
1942 * spring trap above, as I don't think there is otherwise
1943 * any way for the treasure chest or player to get killed.
1944 */
1945 if (op->destroyed () || tmp->destroyed ())
1946 break;
1947 }
1948
1949 if (!tmp->destroyed () && !tmp->inv)
1950 tmp->decrease (true);
1951}
1952
1953/**
1954 * op eats food.
1955 * If player, takes care of messages and dragon special food.
1956 */
1957static void
1958apply_food (object *op, object *tmp)
1959{
1960 int capacity_remaining;
1961
1962 if (op->type != PLAYER)
1963 op->stats.hp = op->stats.maxhp;
1964 else
1965 {
1966 /* check if this is a dragon (player), eating some flesh */
1967 if (tmp->type == FLESH && is_dragon_pl (op) && dragon_eat_flesh (op, tmp))
1968 ;
1969 else
1970 {
1971 /* usual case - no dragon meal: */
1972 if (op->stats.food + tmp->stats.food > 999)
1973 {
1974 if (tmp->type == FOOD || tmp->type == FLESH)
1975 op->failmsg ("You feel full, but what a waste of food!");
1976 else
1977 op->statusmsg ("Most of the drink goes down your face not your throat!");
1978 }
1979
1980 tmp->play_sound (
1981 tmp->sound
1982 ? tmp->sound
1983 : tmp->type == DRINK
1984 ? sound_find ("eat_drink")
1985 : sound_find ("eat_food")
1986 );
1987
1988 if (!QUERY_FLAG (tmp, FLAG_CURSED))
1989 {
1990 const char *buf;
1991
1992 if (!is_dragon_pl (op))
1993 {
1994 /* eating message for normal players */
1995 if (tmp->type == DRINK)
1996 buf = format ("Ahhh...that %s tasted good.", &tmp->name);
1997 else
1998 buf = format ("The %s tasted %s", &tmp->name, tmp->type == FLESH ? "terrible!" : "good.");
1999 }
2000 else
2001 /* eating message for dragon players */
2002 buf = format ("The %s tasted terrible!", &tmp->name);
2003
2004 op->statusmsg (buf);
2005
2006 capacity_remaining = 999 - op->stats.food;
2007 op->stats.food += tmp->stats.food;
2008 if (capacity_remaining < tmp->stats.food)
2009 op->stats.hp += capacity_remaining / 50;
2010 else
2011 op->stats.hp += tmp->stats.food / 50;
2012
2013 if (op->stats.hp > op->stats.maxhp)
2014 op->stats.hp = op->stats.maxhp;
2015 if (op->stats.food > 999)
2016 op->stats.food = 999;
2017 }
2018
2019 /* special food hack -b.t. */
2020 if (tmp->title || QUERY_FLAG (tmp, FLAG_CURSED))
2021 eat_special_food (op, tmp);
2022 }
2023 }
2024
2025 handle_apply_yield (tmp);
2026 tmp->decrease ();
2027}
2028
2029/**
2030 * A dragon is eating some flesh. If the flesh contains resistances,
2031 * there is a chance for the dragon's skin to get improved.
2032 *
2033 * attributes:
2034 * object *op the object (dragon player) eating the flesh
2035 * object *meal the flesh item, getting chewed in dragon's mouth
2036 * return:
2037 * int 1 if eating successful, 0 if it doesn't work
2038 */
2039int
2040dragon_eat_flesh (object *op, object *meal)
2041{
2042 object *skin = NULL; /* pointer to dragon skin force */
2043 object *abil = NULL; /* pointer to dragon ability force */
2044 object *tmp = NULL; /* tmp. object */
2045
2046 double chance; /* improvement-chance of one resistance type */
2047 double totalchance = 1; /* total chance of gaining one resistance */
2048 double bonus = 0; /* level bonus (improvement is easier at lowlevel) */
2049 double mbonus = 0; /* monster bonus */
2050 int atnr_winner[NROFATTACKS]; /* winning candidates for resistance improvement */
2051 int winners = 0; /* number of winners */
2052 int i; /* index */
2053
2054 /* let's make sure and doublecheck the parameters */
2055 if (meal->type != FLESH || !is_dragon_pl (op))
2056 return 0;
2057
2058 /* now grab the 'dragon_skin'- and 'dragon_ability'-forces
2059 from the player's inventory */
2060 for (tmp = op->inv; tmp; tmp = tmp->below)
2061 if (tmp->type == FORCE)
2062 if (tmp->arch->archname == shstr_dragon_skin_force)
2063 skin = tmp;
2064 else if (tmp->arch->archname == shstr_dragon_ability_force)
2065 abil = tmp;
2066
2067 /* if either skin or ability are missing, this is an old player
2068 which is not to be considered a dragon -> bail out */
2069 if (skin == NULL || abil == NULL)
2070 return 0;
2071
2072 /* now start by filling stomache and health, according to food-value */
2073 if ((999 - op->stats.food) < meal->stats.food)
2074 op->stats.hp += (999 - op->stats.food) / 50;
2075 else
2076 op->stats.hp += meal->stats.food / 50;
2077
2078 if (op->stats.hp > op->stats.maxhp)
2079 op->stats.hp = op->stats.maxhp;
2080
2081 op->stats.food = MIN (999, op->stats.food + meal->stats.food);
2082
2083 /*LOG(llevDebug, "-> player: %d, flesh: %d\n", op->level, meal->level); */
2084
2085 /* on to the interesting part: chances for adding resistance */
2086 for (i = 0; i < NROFATTACKS; i++)
2087 {
2088 if (meal->resist[i] > 0 && atnr_is_dragon_enabled (i))
2089 {
2090 /* got positive resistance, now calculate improvement chance (0-100) */
2091
2092 /* this bonus makes resistance increase easier at lower levels */
2093 bonus = (settings.max_level - op->level) * 30. / ((double) settings.max_level);
2094 if (i == abil->stats.exp)
2095 bonus += 5; /* additional bonus for resistance of ability-focus */
2096
2097 /* monster bonus increases with level, because high-level
2098 flesh is too rare */
2099 mbonus = op->level * 20. / ((double) settings.max_level);
2100
2101 chance = (((double) MIN (op->level + bonus, meal->level + bonus + mbonus)) * 100. /
2102 ((double) settings.max_level)) - skin->resist[i];
2103
2104 if (chance >= 0.)
2105 chance += 1.;
2106 else
2107 chance = (chance < -12) ? 0. : 1. / pow (2., -chance);
2108
2109 /* chance is proportional to amount of resistance (max. 50) */
2110 chance *= ((double) (MIN (meal->resist[i], 50))) / 50.;
2111
2112 /* doubled chance for resistance of ability-focus */
2113 if (i == abil->stats.exp)
2114 chance = MIN (100., chance * 2.);
2115
2116 /* now make the throw and save all winners (Don't insert luck bonus here!) */
2117 if (rndm (10000) < (unsigned int) (chance * 100))
2118 {
2119 atnr_winner[winners] = i;
2120 winners++;
2121 }
2122
2123 if (chance >= 0.01)
2124 totalchance *= 1 - chance / 100;
2125
2126 /*LOG(llevDebug, " %s: bonus %.1f, chance %.1f\n", attacks[i], bonus, chance); */
2127 }
2128 }
2129
2130 /* inverse totalchance as until now we have the failure-chance */
2131 totalchance = 100 - totalchance * 100;
2132
2133 /* print message according to totalchance */
2134 const char *buf;
2135 if (totalchance > 50.)
2136 buf = format ("Hmm! The %s tasted delicious!", &meal->name);
2137 else if (totalchance > 10.)
2138 buf = format ("The %s tasted very good.", &meal->name);
2139 else if (totalchance > 1.)
2140 buf = format ("The %s tasted good.", &meal->name);
2141 else if (totalchance > 0.1)
2142 buf = format ("The %s tasted bland.", &meal->name);
2143 else if (totalchance >= 0.01)
2144 buf = format ("The %s had a boring taste.", &meal->name);
2145 else if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat))
2146 buf = format ("The %s tasted strange.", &meal->name);
2147 else
2148 buf = format ("The %s had no taste.", &meal->name);
2149
2150 op->statusmsg (buf);
2151
2152 /* now choose a winner if we have any */
2153 i = -1;
2154 if (winners > 0)
2155 i = atnr_winner [rndm (winners)];
2156
2157 if (i >= 0 && i < NROFATTACKS && skin->resist[i] < 95)
2158 {
2159 /* resistance increased! */
2160 skin->resist[i]++;
2161 op->update_stats ();
2162
2163 op->statusmsg (format ("Your skin is now more resistant to %s!", change_resist_msg[i]));
2164 }
2165
2166 /* if this flesh contains a new ability focus, we mark it
2167 into the ability_force and it will take effect on next level */
2168 if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat) && meal->last_eat != abil->last_eat)
2169 {
2170 abil->last_eat = meal->last_eat; /* write: last_eat <new attnr focus> */
2171
2172 if (meal->last_eat != abil->stats.exp)
2173 op->statusmsg (format (
2174 "Your metabolism prepares to focus on %s!\n"
2175 "The change will happen at level %d.",
2176 change_resist_msg[meal->last_eat],
2177 abil->level + 1
2178 ));
2179 else
2180 {
2181 op->statusmsg (format ("Your metabolism will continue to focus on %s.", change_resist_msg[meal->last_eat]));
2182 abil->last_eat = 0;
2183 }
2184 }
2185
2186 return 1;
2187}
2188
2189/**
2190 * Handles applying an improve armor scroll.
2191 * Does some sanity checks, then calls improve_armour.
2192 */
2193static void
2194apply_armour_improver (object *op, object *tmp)
2195{
2196 object *armor;
2197
2198 if (!QUERY_FLAG (op, FLAG_WIZCAST) && (get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_NO_MAGIC))
2199 {
2200 op->failmsg ("Something blocks the magic of the scroll. H<This area prevents magic effects.>");
2201 return;
2202 }
2203
2204 armor = find_marked_object (op);
2205
2206 if (!armor)
2207 {
2208 op->failmsg ("You need to mark an armor object. Use the right mouse button popup or the mark command to do this.");
2209 return;
2210 }
2211
2212 if (armor->type != ARMOUR
2213 && armor->type != CLOAK
2214 && armor->type != BOOTS && armor->type != GLOVES && armor->type != BRACERS && armor->type != SHIELD && armor->type != HELMET)
2215 {
2216 op->failmsg ("Your marked item is not armour!\n");
2217 return;
2218 }
2219
2220 op->statusmsg ("Applying armour enchantment.");
2221 improve_armour (op, tmp, armor);
2222}
2223
2224void
2225apply_poison (object *op, object *tmp)
2226{
2227 // need to do it now when it is still on the map
2228 handle_apply_yield (tmp);
2229
2230 object *poison = tmp->split (1);
2231
2232 if (op->type == PLAYER)
2233 {
2234 op->contr->play_sound (sound_find ("drink_poison"));
2235 op->failmsg ("Yech! That tasted poisonous!");
2236 op->contr->killer = poison;
2237 }
2238
2239 if (poison->stats.hp > 0)
2240 {
2241 LOG (llevDebug, "Trying to poison player/monster for %d hp\n", poison->stats.hp);
2242 hit_player (op, poison->stats.hp, tmp, AT_POISON, 1);
2243 }
2244
2245 op->stats.food -= op->stats.food / 4;
2246 poison->destroy ();
2247}
2248
2249/**
2250 * This function return true if the exit is not a 2 ways one or it is 2 ways, valid exit.
2251 * A valid 2 way exit means:
2252 * -You can come back (there is another exit at the other side)
2253 * -You are
2254 * ° the owner of the exit
2255 * ° or in the same party as the owner
2256 *
2257 * Note: a owner in a 2 way exit is saved as the owner's name
2258 * in the field exit->name cause the field exit->owner doesn't
2259 * survive in the swapping (in fact the whole exit doesn't survive).
2260 */
2261int
2262is_legal_2ways_exit (object *op, object *exit)
2263{
2264 if (exit->stats.exp != 1)
2265 return 1; /*This is not a 2 way, so it is legal */
2266
2267#if 0 //TODO
2268 if (!has_been_loaded (EXIT_PATH (exit)) && exit->race)
2269 return 0; /* This is a reset town portal */
2270#endif
2271
2272 LOG (llevError | logBacktrace, "sync map load due to %s\n", exit->debug_desc ());
2273
2274 maptile *exitmap = maptile::find_sync (EXIT_PATH (exit), exit->map);
2275
2276 if (exitmap)
2277 {
2278 exitmap->load_sync ();
2279
2280 object *tmp = exitmap->at (EXIT_X (exit), EXIT_Y (exit)).bot;
2281
2282 if (!tmp)
2283 return 0;
2284
2285 for (; tmp; tmp = tmp->above)
2286 {
2287 if (tmp->type != EXIT)
2288 continue; /*Not an exit */
2289
2290 if (!EXIT_PATH (tmp))
2291 continue; /*Not a valid exit */
2292
2293 if ((EXIT_X (tmp) != exit->x) || (EXIT_Y (tmp) != exit->y))
2294 continue; /*Not in the same place */
2295
2296 if (exit->map->path != EXIT_PATH (tmp))
2297 continue; /*Not in the same map */
2298
2299 /* From here we have found the exit is valid. However we do
2300 * here the check of the exit owner. It is important for the
2301 * town portals to prevent strangers from visiting your appartments
2302 */
2303 if (!exit->race)
2304 return 1; /*No owner, free for all! */
2305
2306 object *exit_owner = 0;
2307
2308 for_all_players (pp)
2309 {
2310 if (!pp->ob)
2311 continue;
2312
2313 if (pp->ob->name != exit->race)
2314 continue;
2315
2316 exit_owner = pp->ob; /*We found a player which correspond to the player name */
2317 break;
2318 }
2319
2320 if (!exit_owner)
2321 return 0; /* No more owner */
2322
2323 if (exit_owner->contr == op->contr)
2324 return 1; /*It is your exit */
2325
2326 if (exit_owner && /*There is a owner */
2327 (op->contr) && /*A player tries to pass */
2328 ((exit_owner->contr->party == NULL) || /*No pass if controller has no party */
2329 (exit_owner->contr->party != op->contr->party))) /* Or not the same as op */
2330 return 0;
2331
2332 return 1;
2333 }
2334 }
2335
2336 return 0;
2337}
2338
2339/**
2340 * This function will try to apply a lighter and in case no lighter
2341 * is specified it will try to find a lighter in the players inventory,
2342 * and inform him about this requirement.
2343 *
2344 * who - the player
2345 * op - the item we want to light
2346 * ligher - the lighter or 0 if a lighter has yet to be found
2347 */
2348object *auto_apply_lighter (object *who, object *op, object *lighter)
2349{
2350 if (lighter == 0)
2351 {
2352 for (object *tmp = who->inv; tmp; tmp = tmp->below)
2353 {
2354 if (tmp->type == LIGHTER)
2355 {
2356 lighter = tmp;
2357 break;
2358 }
2359 }
2360
2361 if (!lighter)
2362 {
2363 who->failmsg (format (
2364 "You can't light up the %s with your bare hands! "
2365 "H<You need a lighter in your inventory, for example a flint and steel.>",
2366 &op->name));
2367 return 0;
2368 }
2369 }
2370
2371 // last_eat == 0 means the lighter is not being used up!
2372 if (lighter->last_eat && lighter->stats.food)
2373 {
2374 /* lighter gets used up */
2375 lighter = lighter->split ();
2376 lighter->stats.food--;
2377 who->insert (lighter);
2378 }
2379 else if (lighter->last_eat)
2380 {
2381 /* no charges left in lighter */
2382 who->failmsg (format (
2383 "You attempt to light the %s with a used up %s.",
2384 &op->name, &lighter->name));
2385 return 0;
2386 }
2387
2388 return lighter;
2389}
2390
2391/**
2392 * Designed primarily to light torches/lanterns/etc.
2393 * Also burns up burnable material too. First object in the inventory is
2394 * the selected object to "burn". -b.t.
2395 */
2396void
2397apply_lighter (object *who, object *lighter)
2398{
2399 object *item;
2400 int is_player_env = 0;
2401
2402 item = find_marked_object (who);
2403 if (item)
2404 {
2405 if (!auto_apply_lighter (who, 0, lighter))
2406 return;
2407
2408 /* Perhaps we should split what we are trying to light on fire?
2409 * I can't see many times when you would want to light multiple
2410 * objects at once.
2411 */
2412
2413 save_throw_object (item, AT_FIRE, who);
2414
2415 if (item->destroyed ()
2416 || ((item->type == LAMP || item->type == TORCH)
2417 && item->glow_radius > 0))
2418 who->statusmsg (format (
2419 "You light the %s with the %s.",
2420 &item->name, &lighter->name));
2421 else
2422 who->failmsg (format (
2423 "You attempt to light the %s with the %s and fail.",
2424 &item->name, &lighter->name));
2425 }
2426 else
2427 who->failmsg ("You need to mark a lightable object.");
2428}
2429
2430/**
2431 * This function generates a cursed effect for cursed lamps and torches.
2432 */
2433void player_apply_lamp_cursed_effect (object *who, object *op)
2434{
2435 if (op->level)
2436 {
2437 who->failmsg (format (
2438 "The %s was cursed, it explodes in a big fireball!",
2439 &op->name));
2440 create_exploding_ball_at (who, op->level);
2441 }
2442 else
2443 {
2444 who->failmsg (format (
2445 "The %s was cursed, it crumbles to dust, at least it didn't explode.!",
2446 &op->name));
2447 }
2448
2449 op->destroy ();
2450}
2451
2452/**
2453 * Apply for players and lamps
2454 *
2455 * who - the player
2456 * op - the lamp
2457 */
2458void player_apply_lamp (object *who, object *op)
2459{
2460 bool switch_on = op->glow_radius ? false : true;
2461
2462 if (switch_on)
2463 {
2464 object *lighter = 0;
2465
2466 if (op->flag [FLAG_IS_LIGHTABLE]
2467 && !(lighter = auto_apply_lighter (who, op, 0)))
2468 return;
2469
2470 if (op->stats.food < 1)
2471 {
2472 if (op->type == LAMP)
2473 who->failmsg (format (
2474 "The %s is out of fuel! "
2475 "H<Lamps and similar items need fuel. They cannot be refilled.>",
2476 &op->name));
2477 else
2478 who->failmsg (format (
2479 "The %s is burnt out! "
2480 "H<Torches and similar items burn out and become worthless.>",
2481 &op->name));
2482 return;
2483 }
2484
2485 if (op->flag [FLAG_CURSED])
2486 {
2487 player_apply_lamp_cursed_effect (who, op);
2488 return;
2489 }
2490
2491 if (lighter)
2492 who->statusmsg (format (
2493 "You light up the %s with the %s.", &op->name, &lighter->name));
2494 else
2495 who->statusmsg (format ("You light up the %s.", &op->name));
2496 }
2497 else
2498 {
2499 if (op->flag [FLAG_CURSED])
2500 {
2501 player_apply_lamp_cursed_effect (who, op);
2502 return;
2503 }
2504
2505 if (op->type == TORCH)
2506 {
2507 if (!op->flag [FLAG_IS_LIGHTABLE])
2508 {
2509 who->statusmsg (format (
2510 "You put out the %s. "
2511 "H<The %s can't be used anymore, as it can't be lighted up again.>",
2512 &op->name, &op->name));
2513 }
2514 else
2515 who->statusmsg (format (
2516 "You put out the %s."
2517 "H<Torches wear out if you put them out.>",
2518 &op->name));
2519 }
2520 else
2521 who->statusmsg (format ("You turn off the %s.", &op->name));
2522 }
2523
2524 apply_lamp (op, switch_on);
2525}
2526
2527void get_animation_from_arch (object *op, arch_ptr a)
2528{
2529 op->animation_id = a->animation_id;
2530 op->flag [FLAG_IS_TURNABLE] = a->flag [FLAG_IS_TURNABLE];
2531 op->flag [FLAG_ANIMATE] = a->flag [FLAG_ANIMATE];
2532 op->anim_speed = a->anim_speed;
2533 op->last_anim = 0;
2534 op->state = 0;
2535 op->face = a->face;
2536
2537 if (NUM_ANIMATIONS(op) > 1)
2538 {
2539 SET_ANIMATION(op, 0);
2540 animate_object (op, op->direction);
2541 }
2542 else
2543 update_object (op, UP_OBJ_FACE);
2544}
2545
2546/**
2547 * Apply for LAMPs and TORCHes.
2548 *
2549 * op - the lamp
2550 * switch_on - a flag which says whether the lamp should be switched on or off
2551 */
2552void apply_lamp (object *op, bool switch_on)
2553{
2554 op->set_glow_radius (switch_on ? op->range : 0);
2555 op->set_speed (switch_on ? op->arch->speed : 0);
2556
2557 // torches wear out if you put them out
2558 if (op->type == TORCH && !switch_on)
2559 {
2560 if (op->flag [FLAG_IS_LIGHTABLE])
2561 {
2562 op->stats.food -= (double) op->arch->stats.food / 15;
2563 if (op->stats.food < 0)
2564 op->stats.food = 0;
2565 }
2566 else
2567 op->stats.food = 0;
2568 }
2569
2570 // lamps and torched get worthless when used up
2571 if (op->stats.food <= 0)
2572 op->value = 0;
2573
2574 // FIXME: This is a hack to make the more sane torches and lamps
2575 // still animated ;-/
2576 if (op->other_arch)
2577 get_animation_from_arch (op, switch_on ? op->other_arch : op->arch);
2578
2579 if (object *pl = op->visible_to ())
2580 esrv_update_item (UPD_ANIM | UPD_FACE | UPD_NAME, pl, op);
2581}
2582
2583/**
2584 * Main apply handler.
2585 *
2586 * Checks for unpaid items before applying.
2587 *
2588 * Return value:
2589 * 0: player or monster can't apply objects of that type
2590 * 1: has been applied, or there was an error applying the object
2591 * 2: objects of that type can't be applied if not in inventory
2592 *
2593 * who is the object that is causing object to be applied, op is the object
2594 * being applied.
2595 *
2596 * aflag is special (always apply/unapply) flags. Nothing is done with
2597 * them in this function - they are passed to apply_special
2598 */
2599int
2600manual_apply (object *who, object *op, int aflag)
2601{
2602 op = op->head_ ();
2603
2604 if (QUERY_FLAG (op, FLAG_UNPAID) && !QUERY_FLAG (op, FLAG_APPLIED))
2605 {
2606 if (who->type == PLAYER)
2607 {
2608 examine (who, op);
2609 //who->failmsg ("You should pay for it first! H<You cannot use items marked as unpaid.>");//TODO remove
2610 return 1;
2611 }
2612 else
2613 return 0; /* monsters just skip unpaid items */
2614 }
2615
2616 if (INVOKE_OBJECT (APPLY, op, ARG_OBJECT (who)))
2617 return RESULT_INT (0);
2618
2619 switch (op->type)
2620 {
2621 case CF_HANDLE:
2622 who->play_sound (sound_find ("turn_handle"));
2623 who->statusmsg ("You turn the handle.");
2624 op->value = op->value ? 0 : 1;
2625 SET_ANIMATION (op, op->value);
2626 update_object (op, UP_OBJ_FACE);
2627 push_button (op, who);
2628 return 1;
2629
2630 case TRIGGER:
2631 if (check_trigger (op, who))
2632 {
2633 who->statusmsg ("You turn the handle.");
2634 who->play_sound (sound_find ("turn_handle"));
2635 }
2636 else
2637 who->failmsg ("The handle doesn't move.");
2638
2639 return 1;
2640
2641 case EXIT:
2642 if (who->type != PLAYER)
2643 return 0;
2644
2645 if (!EXIT_PATH (op) || !is_legal_2ways_exit (who, op))
2646 who->failmsg (format ("The %s is closed.", query_name (op)));
2647 else
2648 {
2649 /* Don't display messages for random maps. */
2650 if (op->msg && !EXIT_PATH (op).starts_with ("/!"))
2651 who->statusmsg (op->msg, NDI_NAVY);
2652
2653 who->enter_exit (op);
2654 }
2655
2656 return 1;
2657
2658 case INSCRIBABLE:
2659 who->statusmsg (op->msg);
2660 // maybe show a spell menu to chose from or something like that
2661 return 1;
2662
2663 case SIGN:
2664 apply_sign (who, op, 0);
2665 return 1;
2666
2667 case BOOK:
2668 if (who->type == PLAYER)
2669 {
2670 apply_book (who, op);
2671 return 1;
2672 }
2673 else
2674 return 0;
2675
2676 case SKILLSCROLL:
2677 if (who->type == PLAYER)
2678 {
2679 apply_skillscroll (who, op);
2680 return 1;
2681 }
2682 else
2683 return 0;
2684
2685 case SPELLBOOK:
2686 if (who->type == PLAYER)
2687 {
2688 apply_spellbook (who, op);
2689 return 1;
2690 }
2691 else
2692 return 0;
2693
2694 case SCROLL:
2695 apply_scroll (who, op, 0);
2696 return 1;
2697
2698 case POTION:
2699 apply_potion (who, op);
2700 return 1;
2701
2702 /* Eneq(@csd.uu.se): Handle apply on containers. */
2703 //TODO: remove, as it is unsed?
2704 case CLOSE_CON:
2705 apply_container (who, op->env);
2706 return 1;
2707
2708 case CONTAINER:
2709 apply_container (who, op);
2710 return 1;
2711
2712 case TREASURE:
2713 if (who->type == PLAYER)
2714 {
2715 apply_treasure (who, op);
2716 return 1;
2717 }
2718 else
2719 return 0;
2720
2721 case LAMP:
2722 case TORCH:
2723 player_apply_lamp (who, op);
2724 return 1;
2725
2726 case WEAPON:
2727 case ARMOUR:
2728 case BOOTS:
2729 case GLOVES:
2730 case AMULET:
2731 case GIRDLE:
2732 case BRACERS:
2733 case SHIELD:
2734 case HELMET:
2735 case RING:
2736 case CLOAK:
2737 case WAND:
2738 case ROD:
2739 case HORN:
2740 case SKILL:
2741 case BOW:
2742 case BUILDER:
2743 case SKILL_TOOL:
2744 if (op->env != who)
2745 return 2; /* not in inventory */
2746
2747 apply_special (who, op, aflag);
2748 return 1;
2749
2750 case DRINK:
2751 case FOOD:
2752 case FLESH:
2753 apply_food (who, op);
2754 return 1;
2755
2756 case POISON:
2757 apply_poison (who, op);
2758 return 1;
2759
2760 case SAVEBED:
2761 return 1;
2762
2763 case ARMOUR_IMPROVER:
2764 if (who->type == PLAYER)
2765 {
2766 apply_armour_improver (who, op);
2767 return 1;
2768 }
2769 else
2770 return 0;
2771
2772 case WEAPON_IMPROVER:
2773 check_improve_weapon (who, op);
2774 return 1;
2775
2776 case CLOCK:
2777 if (who->type == PLAYER)
2778 {
2779 char buf[MAX_BUF];
2780 timeofday_t tod;
2781
2782 get_tod (&tod);
2783 who->play_sound (sound_find ("sound_clock"));
2784 who->statusmsg (format (
2785 "It is %d minute%s past %d o'clock %s",
2786 tod.minute + 1, ((tod.minute + 1 < 2) ? "" : "s"),
2787 ((tod.hour % 14 == 0) ? 14 : ((tod.hour) % 14)), ((tod.hour >= 14) ? "pm" : "am")
2788 ));
2789 return 1;
2790 }
2791 else
2792 return 0;
2793
2794 case MENU:
2795 if (who->type == PLAYER)
2796 {
2797 shop_listing (op, who);
2798 return 1;
2799 }
2800 else
2801 return 0;
2802
2803 case POWER_CRYSTAL:
2804 apply_power_crystal (who, op); /* see egoitem.c */
2805 return 1;
2806
2807 case LIGHTER: /* for lighting torches/lanterns/etc */
2808 if (who->type == PLAYER)
2809 {
2810 apply_lighter (who, op);
2811 return 1;
2812 }
2813 else
2814 return 0;
2815
2816 case ITEM_TRANSFORMER:
2817 apply_item_transformer (who, op);
2818 return 1;
2819
2820 default:
2821 return 0;
2822 }
2823}
2824
2825/* quiet suppresses the "don't know how to apply" and "you must get it first"
2826 * messages as needed by player_apply_below(). But there can still be
2827 * "but you are floating high above the ground" messages.
2828 *
2829 * Same return value as apply() function.
2830 */
2831int
2832player_apply (object *pl, object *op, int aflag, int quiet)
2833{
2834 if (!op->env && (pl->move_type & MOVE_FLYING))
2835 {
2836 /* player is flying and applying object not in inventory */
2837 if (!QUERY_FLAG (pl, FLAG_WIZ) && !(op->move_type & MOVE_FLYING))
2838 {
2839 pl->failmsg ("But you are floating high above the ground! "
2840 "H<You have to stop levitating first, if you can, either by using your levitation skill, "
2841 "or waiting till the levitation effect wears off.>");
2842 return 0;
2843 }
2844 }
2845
2846 pl->contr->last_used = op;
2847
2848 int tmp = manual_apply (pl, op, aflag);
2849
2850 if (!quiet)
2851 {
2852 if (tmp == 0)
2853 pl->statusmsg (format ("I don't know how to apply the %s.", query_name (op)));
2854 else if (tmp == 2)
2855 pl->failmsg ("You must get it first!\n");
2856 }
2857
2858 return tmp;
2859}
2860
2861/**
2862 * player_apply_below attempts to apply the object 'below' the player.
2863 * If the player has an open container, we use that for below, otherwise
2864 * we use the ground.
2865 */
2866void
2867player_apply_below (object *pl)
2868{
2869 int floors = 0;
2870
2871 /* If using a container, set the starting item to be the top
2872 * item in the container. Otherwise, use the map.
2873 * This is perhaps more complicated. However, I want to make sure that
2874 * we don't use a corrupt pointer for the next object, so we get the
2875 * next object in the stack before applying. This is can only be a
2876 * problem if player_apply() has a bug in that it uses the object but does
2877 * not return a proper value.
2878 */
2879 for (object *next, *tmp = pl->container ? pl->container->inv : pl->below; tmp; tmp = next)
2880 {
2881 next = tmp->below;
2882
2883 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
2884 floors++;
2885 else if (floors > 0)
2886 return; /* process only floor objects after first floor object */
2887
2888 /* If it is visible, player can apply it. If it is applied by
2889 * person moving on it, also activate. Added code to make it
2890 * so that at least one of players movement types be that which
2891 * the item needs.
2892 */
2893 if (!tmp->invisible || (tmp->move_on & pl->move_type))
2894 if (player_apply (pl, tmp, 0, 1) == 1)
2895 return;
2896
2897 if (floors >= 2)
2898 return; /* process at most two floor objects */
2899 }
2900}
2901
2902/**
2903 * Unapplies specified item. 1026 * Unapplies specified item.
2904 * No check done on cursed/damned. 1027 * No check done on cursed/damned.
2905 * Break this out of apply_special - this is just done 1028 * Break this out of apply_special - this is just done
2906 * to keep the size of apply_special to a more managable size. 1029 * to keep the size of apply_special to a more managable size.
2907 */ 1030 */
2908static int 1031static bool
2909unapply_special (object *who, object *op, int aflags) 1032unapply_special (object *who, object *op, int aflags)
2910{ 1033{
2911 if (INVOKE_OBJECT (BE_UNREADY, op, ARG_OBJECT (who), ARG_INT (aflags)) 1034 if (INVOKE_OBJECT (BE_UNREADY, op, ARG_OBJECT (who), ARG_INT (aflags))
2912 || INVOKE_OBJECT (UNREADY, who, ARG_OBJECT (op), ARG_INT (aflags))) 1035 || INVOKE_OBJECT (UNREADY, who, ARG_OBJECT (op), ARG_INT (aflags)))
2913 return RESULT_INT (0); 1036 return RESULT_INT (0);
2914 1037
2915 CLEAR_FLAG (op, FLAG_APPLIED); 1038 if (who->current_weapon == op)
1039 who->current_weapon = 0;
1040
1041 op->flag [FLAG_APPLIED] = false;
2916 1042
2917 switch (op->type) 1043 switch (op->type)
2918 { 1044 {
2919 case SKILL_TOOL: 1045 case SKILL:
1046 if (player *pl = who->contr)
1047 if (op->invisible)
1048 pl->statusmsg (format ("You can no longer use the %s skill.", &op->skill));
1049 else
1050 pl->statusmsg (format ("You stop using the %s.", query_name (op)));
1051
1052 change_abil (who, op);
1053 who->flag [FLAG_READY_SKILL] = false;
1054 break;
1055
1056 case WEAPON:
1057 who->statusmsg (format ("You unwield %s.", query_name (op)));
1058 change_abil (who, op);
1059 who->flag [FLAG_READY_WEAPON] = false;
1060
2920 // unapplying a skill tool should also unapply the skill it governs 1061 // unapplying a weapon or skill tool should also unapply the skill it governs
2921 // but this is hard, as it shouldn't do so when the skill can 1062 // but this is hard, as it shouldn't do so when the skill can
2922 // be used for other reasons 1063 // be used for other reasons
2923 for (object *tmp = who->inv; tmp; tmp = tmp->below) 1064 if (who->chosen_skill)
2924 if (tmp->skill == op->skill 1065 if (!who->chosen_skill->flag [FLAG_CAN_USE_SKILL])
2925 && tmp->type == SKILL
2926 && tmp->flag [FLAG_APPLIED]
2927 && !tmp->flag [FLAG_CAN_USE_SKILL])
2928 unapply_special (who, tmp, 0); 1066 unapply_special (who, op, 0);
2929 1067
2930 change_abil (who, op);
2931 break; 1068 break;
2932 1069
1070 case BOW:
2933 case WEAPON: 1071 case WAND:
1072 case ROD:
1073 case HORN:
1074 case RANGED:
2934 if (player *pl = who->contr) 1075 if (player *pl = who->contr)
2935 if (op == pl->combat_ob)
2936 {
2937 pl->combat_ob = 0;
2938 who->change_weapon (pl->ranged_ob);
2939 }
2940
2941 who->statusmsg (format ("You unwield %s.", query_name (op)));
2942
2943 change_abil (who, op);
2944 CLEAR_FLAG (who, FLAG_READY_WEAPON);
2945 break;
2946
2947 case SKILL:
2948 if (who->contr)
2949 { 1076 {
2950 if (IS_COMBAT_SKILL (op->subtype)) 1077 who->statusmsg (format ("You unready %s.", query_name (op)));
2951 who->change_weapon (who->contr->combat_ob = 0); 1078 change_abil (who, op);
2952 else if (IS_RANGED_SKILL (op->subtype)) 1079 }
2953 who->change_weapon (who->contr->ranged_ob = 0); 1080 else
1081 {
1082 who->change_skill (0);
2954 1083
2955 if (op->invisible) 1084 if (op->type == BOW)
2956 who->statusmsg (format ("You can no longer use the skill: %s.", &op->skill)); 1085 op->flag [FLAG_READY_BOW ] = false;
2957 else 1086 else
2958 who->statusmsg (format ("You stop using the %s.", query_name (op))); 1087 op->flag [FLAG_READY_RANGE] = false;
2959 } 1088 }
2960 1089
2961 change_abil (who, op);
2962 CLEAR_FLAG (who, FLAG_READY_SKILL);
2963 break; 1090 break;
2964 1091
2965 case ARMOUR: 1092 case ARMOUR:
2966 case HELMET: 1093 case HELMET:
2967 case SHIELD: 1094 case SHIELD:
… …
2974 case CLOAK: 1101 case CLOAK:
2975 who->statusmsg (format ("You unwear %s.", query_name (op))); 1102 who->statusmsg (format ("You unwear %s.", query_name (op)));
2976 change_abil (who, op); 1103 change_abil (who, op);
2977 break; 1104 break;
2978 1105
1106 case SPELL:
2979 case BOW: 1107 case BUILDER:
2980 case WAND:
2981 case ROD:
2982 case HORN:
2983 if (player *pl = who->contr)
2984 {
2985 if (op == pl->ranged_ob)
2986 {
2987 pl->ranged_ob = 0;
2988 who->change_weapon (pl->combat_ob);
2989 }
2990
2991 who->statusmsg (format ("You unready %s.", query_name (op))); 1108 who->statusmsg (format ("You unready %s.", query_name (op)));
2992 }
2993 else
2994 {
2995 who->change_skill (0);
2996
2997 if (op->type == BOW)
2998 CLEAR_FLAG (who, FLAG_READY_BOW);
2999 else
3000 CLEAR_FLAG (who, FLAG_READY_RANGE);
3001 }
3002
3003 break; 1109 break;
3004 1110
3005 case BUILDER: 1111 //case SKILL_TOOL://TODO
3006 if (who->contr)
3007 who->statusmsg (format ("You unready %s.", query_name (op)));
3008 break;
3009
3010 default: 1112 default:
3011 who->statusmsg (format ("You unapply %s.", query_name (op))); 1113 who->statusmsg (format ("You unapply %s.", query_name (op)));
3012 break; 1114 break;
3013 } 1115 }
3014 1116
… …
3016 if (object *pl = op->visible_to ()) 1118 if (object *pl = op->visible_to ())
3017 esrv_send_item (pl, op); 1119 esrv_send_item (pl, op);
3018 1120
3019 who->update_stats (); 1121 who->update_stats ();
3020 1122
3021 return 0; 1123 return 1;
3022} 1124}
3023 1125
3024/** 1126/**
3025 * Returns the object that is using location 'loc'. 1127 * Returns the object that is using location 'loc'.
3026 * Note that 'start' is the first object to start examing - we 1128 * Note that 'start' is the first object to start examing - we
… …
3038static object * 1140static object *
3039get_next_item_from_body_location (int loc, object *start) 1141get_next_item_from_body_location (int loc, object *start)
3040{ 1142{
3041 for (object *tmp = start; tmp; tmp = tmp->below) 1143 for (object *tmp = start; tmp; tmp = tmp->below)
3042 if (tmp->flag [FLAG_APPLIED] 1144 if (tmp->flag [FLAG_APPLIED]
3043 && tmp->slot[loc].info 1145 && tmp->slot [loc].info
3044 && (!tmp->invisible || tmp->type == SKILL)) 1146 && (!tmp->invisible || tmp->type == SKILL || tmp->type == SPELL))
3045 return tmp; 1147 return tmp;
3046 1148
3047 return 0; 1149 return 0;
3048} 1150}
3049 1151
… …
3062#define CANNOT_REMOVE_CURSED \ 1164#define CANNOT_REMOVE_CURSED \
3063 "H<You cannot remove cursed or damned items, you first have to remove the curse. " \ 1165 "H<You cannot remove cursed or damned items, you first have to remove the curse. " \
3064 "Praying over an altar, scrolls of remove curse/damnation, " \ 1166 "Praying over an altar, scrolls of remove curse/damnation, " \
3065 "priests or even other players might help.>" 1167 "priests or even other players might help.>"
3066 1168
3067int 1169static bool
3068unapply_for_ob (object *who, object *op, int aflags) 1170unapply_for_ob (object *who, object *op, int aflags)
3069{ 1171{
3070 if (op->is_range ()) 1172 if (op->is_range ())
3071 for (object *tmp = who->inv; tmp; tmp = tmp->below) 1173 for (object *tmp = who->inv; tmp; tmp = tmp->below)
3072 if (QUERY_FLAG (tmp, FLAG_APPLIED) && tmp->is_range ()) 1174 if (QUERY_FLAG (tmp, FLAG_APPLIED) && tmp->is_range ())
… …
3194 continue; 1296 continue;
3195 } 1297 }
3196 1298
3197 object *tmp1 = get_next_item_from_body_location (i, who->inv); 1299 object *tmp1 = get_next_item_from_body_location (i, who->inv);
3198 if (!tmp1) 1300 if (!tmp1)
3199 {
3200#if 0
3201 /* This is sort of an error, but happens a lot when old players
3202 * join in with more stuff equipped than they are now allowed.
3203 */
3204 LOG (llevError, "Can't find object using location %d on %s\n", i, who->name);
3205#endif
3206 retval |= CAN_APPLY_NEVER; 1301 retval |= CAN_APPLY_NEVER;
3207 }
3208 else 1302 else
3209 { 1303 {
3210 /* need to unapply something. However, if this something 1304 /* need to unapply something. However, if this something
3211 * is different than we had found before, it means they need 1305 * is different than we had found before, it means they need
3212 * to apply multiple objects 1306 * to apply multiple objects
… …
3292 */ 1386 */
3293 1387
3294#define LACK_ITEM_POWER \ 1388#define LACK_ITEM_POWER \
3295 " H<You lack enough unused item power to use this weapon, see the skills command.>" 1389 " H<You lack enough unused item power to use this weapon, see the skills command.>"
3296 1390
3297int 1391static bool
3298apply_special (object *who, object *op, int aflags) 1392apply_special (object *who, object *op, int aflags)
3299{ 1393{
3300 int basic_flag = aflags & AP_BASIC_FLAGS; 1394 int basic_flag = aflags & AP_MODE;
3301 object *tmp, *tmp2, *skop = NULL; 1395 object *tmp, *tmp2, *skop = NULL;
3302 1396
3303 if (who == NULL) 1397 if (who == NULL)
3304 { 1398 {
3305 LOG (llevError, "apply_special() from object without environment.\n"); 1399 LOG (llevError, "apply_special() from object without environment.\n");
3306 return 1; 1400 return 1;
3307 } 1401 }
3308 1402
1403 //TODO: remove these when apply_special is no longer exposed
3309 if (op->env != who) 1404 if (op->env != who)
3310 return 1; /* op is not in inventory */ 1405 return 1; /* op is not in inventory */
3311 1406
3312 /* trying to unequip op */ 1407 /* trying to unequip op */
3313 if (QUERY_FLAG (op, FLAG_APPLIED)) 1408 if (QUERY_FLAG (op, FLAG_APPLIED))
… …
3324 1419
3325 return unapply_special (who, op, aflags); 1420 return unapply_special (who, op, aflags);
3326 } 1421 }
3327 else if (basic_flag == AP_UNAPPLY) 1422 else if (basic_flag == AP_UNAPPLY)
3328 return 0; 1423 return 0;
3329
3330 // if the item is combat/ranged, wield the relevant slot first
3331 // to resolve conflicts.
3332 if (player *pl = who->contr)
3333 switch (op->slottype ())
3334 {
3335 case slot_combat: who->change_weapon (pl->combat_ob); break;
3336 case slot_ranged: who->change_weapon (pl->ranged_ob); break;
3337 }
3338 1424
3339 splay (op); 1425 splay (op);
3340 1426
3341 /* Can't just apply this object. Lets see what not and what to do */ 1427 /* Can't just apply this object. Lets see what not and what to do */
3342 if (int i = can_apply_object (who, op)) 1428 if (int i = can_apply_object (who, op))
… …
3376 } 1462 }
3377 } 1463 }
3378 1464
3379 if (op->skill && op->type != SKILL && op->type != SKILL_TOOL) 1465 if (op->skill && op->type != SKILL && op->type != SKILL_TOOL)
3380 { 1466 {
1467 // try to ready attached skill first
3381 skop = find_skill_by_name (who, op->skill); 1468 skop = find_skill_by_name (who, op->skill);
3382 1469
3383 if (!skop) 1470 if (!skop)
3384 { 1471 {
3385 who->failmsg (format ("You need the %s skill to use this item!", &op->skill)); 1472 who->failmsg (format ("You need the %s skill to use this item!", &op->skill));
3386 return 1; 1473 return 1;
3387 } 1474 }
3388 else 1475 else if (!who->apply (skop, AP_APPLY | AP_NO_SLOT))
3389 /* While experience will be credited properly, we want to change the
3390 * skill so that the dam and wc get updated
3391 */ 1476 {
3392 who->change_skill (skop); 1477 who->failmsg (format ("You can't use the required %s skill!", &op->skill));
1478 return 1;
1479 }
3393 } 1480 }
3394 1481
3395 if (who->type == PLAYER 1482 if (!check_item_power (who, op->item_power))
3396 && op->item_power
3397 && op->item_power + who->contr->item_power > settings.item_power_factor * who->level)
3398 { 1483 {
3399 who->failmsg ("Equipping that combined with other items would consume your soul!" LACK_ITEM_POWER); 1484 who->failmsg ("Equipping that combined with other items would consume your soul!" LACK_ITEM_POWER);
3400 return 1; 1485 return 1;
3401 } 1486 }
3402 1487
3403 /* Ok. We are now at the state where we can apply the new object. 1488 /* Ok. We are now at the state where we can apply the new object.
3404 * Note that we don't have the checks for can_use_... 1489 * Note that we don't have the checks for can_use_...
3405 * below - that is already taken care of by can_apply_object. 1490 * below - that is already taken care of by can_apply_object.
3406 */ 1491 */
1492
1493 // split away all the other items from the stack, so only one item is left
3407 tmp = op->nrof > 1 ? op->split (op->nrof - 1) : 0; 1494 tmp = op->nrof > 1 ? op->split (op->nrof - 1) : 0;
3408 1495
3409 if (INVOKE_OBJECT (BE_READY, op, ARG_OBJECT (who)) || INVOKE_OBJECT (READY, who, ARG_OBJECT (op))) 1496 if (INVOKE_OBJECT (BE_READY, op, ARG_OBJECT (who)) || INVOKE_OBJECT (READY, who, ARG_OBJECT (op)))
3410 return RESULT_INT (0); 1497 return RESULT_INT (0);
3411 1498
3412 switch (op->type) 1499 switch (op->type)
3413 { 1500 {
3414 case WEAPON: 1501 case WEAPON:
3415 if (!check_weapon_power (who, op->last_eat)) 1502 if (op->level && (!op->name.starts_with (who->name) || op->name [who->name.length ()] != '\''))
3416 {
3417 op->failmsg ("This weapon is too powerful for you to use. It would consume your soul!" LACK_ITEM_POWER);
3418
3419 if (tmp)
3420 insert_ob_in_ob (tmp, who);
3421
3422 return 1;
3423 }
3424
3425 //TODO: this obviously fails for players using a shorter prefix
3426 // i.e. "R" can use Ragnarok's sword.
3427 if (op->level && !op->name.starts_with (who->name))
3428 { 1503 {
3429 /* if the weapon does not have the name as the character, can't use it. */ 1504 /* if the weapon does not have the name as the character, can't use it. */
3430 /* (Ragnarok's sword attempted to be used by Foo: won't work) */ 1505 /* (Ragnarok's sword attempted to be used by Foo: won't work) */
3431 who->failmsg ("The weapon does not recognize you as its owner. H<Its name indicates that it belongs to somebody else.>"); 1506 who->failmsg ("The weapon does not recognize you as its owner. "
3432 1507 "H<Its name indicates that it belongs to somebody else.>");
3433 if (tmp) 1508 if (tmp) who->insert (tmp);
3434 insert_ob_in_ob (tmp, who);
3435
3436 return 1; 1509 return 1;
3437 } 1510 }
3438 1511
3439 if (!skop) 1512 op->flag [FLAG_APPLIED] = true;
1513
1514 if (player *pl = who->contr)
3440 { 1515 {
3441 who->failmsg (format ("The %s is broken, please report this to the dungeon master!", query_name (op)));//TODO 1516 who->statusmsg (format ("You wield %s.", query_name (op)));
3442 return 1; 1517 change_abil (who, op);
3443 } 1518 }
3444 1519 else
3445 SET_FLAG (op, FLAG_APPLIED);
3446 who->change_skill (skop); 1520 who->change_skill (skop);
3447 1521
3448 if (who->contr) 1522 op->flag [FLAG_READY_WEAPON] = true;
3449 who->change_weapon (who->contr->combat_ob = op);
3450
3451 who->statusmsg (format ("You wield %s.", query_name (op)));
3452
3453 SET_FLAG (who, FLAG_READY_WEAPON);
3454 change_abil (who, op);
3455 break; 1523 break;
3456 1524
3457 case ARMOUR: 1525 case ARMOUR:
3458 case HELMET: 1526 case HELMET:
3459 case SHIELD: 1527 case SHIELD:
… …
3468 who->statusmsg (format ("You wear %s.", query_name (op))); 1536 who->statusmsg (format ("You wear %s.", query_name (op)));
3469 change_abil (who, op); 1537 change_abil (who, op);
3470 break; 1538 break;
3471 1539
3472 case SKILL_TOOL: 1540 case SKILL_TOOL:
3473 // applying a skill tool also readies the skill 1541 // applying a skill tool does not ready the skill
1542 // if something needs the skill, it has to ready it itself
1543 //TODO: unapplying should unapply the skill, though
3474 SET_FLAG (op, FLAG_APPLIED); 1544 SET_FLAG (op, FLAG_APPLIED);
1545 break;
3475 1546
1547 case SKILL:
3476 if (!(aflags & AP_NO_READY)) 1548 if (!(aflags & AP_NO_SLOT))
3477 { 1549 {
3478 skop = find_skill_by_name (who, op->skill); 1550 // skill is used on it's own, as opposed to being a chosen_skill
3479 if (!skop->flag [FLAG_APPLIED])
3480 apply_special (who, skop, AP_APPLY);
3481 }
3482 break;
3483 1551
3484 case SKILL: 1552 if (skill_flags [op->subtype] & (SF_NEED_ITEM | SF_MANA))
3485 if (player *pl = who->contr)
3486 {
3487 if (IS_COMBAT_SKILL (op->subtype))
3488 { 1553 {
3489 if (skill_flags [op->subtype] & SF_NEED_WEAPON)
3490 {
3491 for (object *item = who->inv; item; item = item->below)
3492 if (item->type == WEAPON && item->flag [FLAG_APPLIED])
3493 {
3494 if (item->skill == op->skill)
3495 {
3496 who->change_weapon (pl->combat_ob = item);
3497 goto found_weapon;
3498 }
3499 }
3500
3501 who->failmsg (format ( 1554 who->failmsg (format (
3502 "You need to apply a '%s' melee weapon before readying this skill. " 1555 "You feel as if you wanted to do something funny, but you can't remember what. "
3503 "H<Some skills need an item, in this case a melee weapon, to function.>", 1556 "H<The %s skill needs something else to function, for example a tool, weapon, rod, or spell. "
3504 &op->skill 1557 "It cannot be used on its own.>",
3505 ));
3506 return 1;
3507
3508 found_weapon:;
3509 }
3510 else
3511 who->change_weapon (pl->combat_ob = op);
3512 }
3513 else if (IS_RANGED_SKILL (op->subtype))
3514 {
3515 if (skill_flags [op->subtype] & SF_NEED_BOW)
3516 {
3517 for (object *item = who->inv; item; item = item->below)
3518 if (item->type == BOW && item->flag [FLAG_APPLIED])
3519 {
3520 //TODO: bows should/must all have skill missile weapon right now
3521 who->change_weapon (pl->ranged_ob = item);
3522 goto found_bow;
3523 }
3524
3525 who->failmsg (
3526 "You need to apply a missile weapon before readying this skill. "
3527 "H<Some skills need an item, in this case a missile weapon, to function.>"
3528 );
3529 return 1;
3530
3531 found_bow:;
3532 }
3533 else
3534 who->change_weapon (pl->ranged_ob = op);
3535 }
3536
3537 if (!op->invisible)
3538 {
3539 who->statusmsg (format (
3540 "You ready %s."
3541 "You can now use the skill: %s.",
3542 query_name (op),
3543 &op->skill 1558 &op->skill
3544 )); 1559 ));
1560 if (tmp) who->insert (tmp);
1561 return 1;
3545 } 1562 }
1563
1564 if (skill_flags [op->subtype] & SF_AUTARK
1565 || !(skill_flags [op->subtype] & (SF_COMBAT | SF_RANGED)))
1566 {
1567 if (skill_flags [op->subtype] & SF_USE)
1568 who->failmsg (format (
1569 "You feel as if you wanted to do something funny, but you can't remember what. "
1570 "H<The %s skill cannot be readied, instead, try C<use_skill %s>.>",
1571 &op->skill, &op->skill
1572 ));
1573 else
1574 who->failmsg (format (
1575 "You feel as if you wanted to do something funny, but you can't remember what. "
1576 "H<The %s skill cannot be readied or used, it is always active.>",
1577 &op->skill
1578 ));
1579
1580 if (tmp) who->insert (tmp);
1581
1582 return 1;
1583 }
1584
1585 if (who->contr)
1586 if (op->invisible)
1587 who->statusmsg (format ("You can now use the %s skill.", &op->skill));
3546 else 1588 else
3547 who->statusmsg (format ("Readied skill: %s.", op->skill ? &op->skill : &op->name)); 1589 who->statusmsg (format ("You ready %s.", query_name (op)));
3548 } 1590 }
3549 else 1591
3550 {
3551 SET_FLAG (op, FLAG_APPLIED);
3552 change_abil (who, op);
3553 who->chosen_skill = op;
3554 SET_FLAG (who, FLAG_READY_SKILL); 1592 SET_FLAG (who, FLAG_READY_SKILL);
3555 } 1593 SET_FLAG (op, FLAG_APPLIED);
3556 1594 change_abil (who, op);
3557 break; 1595 break;
3558 1596
3559 case BOW: 1597 case BOW:
3560 if (!check_weapon_power (who, op->last_eat)) 1598 if (op->level && (!op->name.starts_with (who->name) || op->name [who->name.length ()] != '\''))
3561 {
3562 who->failmsg ("That weapon is too powerful for you to use. It would consume your soul!" LACK_ITEM_POWER);
3563
3564 if (tmp)
3565 insert_ob_in_ob (tmp, who);
3566
3567 return 1;
3568 }
3569
3570 if (op->level && !op->name.starts_with (who->name))
3571 { 1599 {
3572 who->failmsg ("The weapon does not recognize you as its owner. " 1600 who->failmsg ("The weapon does not recognize you as its owner. "
3573 "H<Its name indicates that it belongs to somebody else.>"); 1601 "H<Its name indicates that it belongs to somebody else.>");
3574 if (tmp) 1602 if (tmp) who->insert (tmp);
3575 insert_ob_in_ob (tmp, who);
3576
3577 return 1; 1603 return 1;
3578 } 1604 }
1605
1606 if (player *pl = who->contr)
1607 {
1608 op->flag [FLAG_APPLIED] = true;
1609 who->statusmsg (format ("You wield the %s.", query_name (op)));
1610 change_abil (who, op);
1611 }
1612 break;
1613
1614 case RANGED:
1615 if (player *pl = who->contr)
1616 {
1617 op->flag [FLAG_APPLIED] = true;
1618 who->statusmsg (format ("You applied the %s.", query_name (op)));
1619 }
1620 break;
1621
1622 case SPELL:
1623 if (player *pl = who->contr)
1624 {
1625 op->flag [FLAG_APPLIED] = true;
1626 who->statusmsg (format ("You ready the spell %s.", query_name (op)));
1627 }
1628 break;
3579 1629
3580 /*FALLTHROUGH*/ 1630 /*FALLTHROUGH*/
3581 case WAND: 1631 case WAND:
3582 case ROD: 1632 case ROD:
3583 case HORN: 1633 case HORN:
3584 /* check for skill, alter player status */ 1634 /* check for skill, alter player status */
3585 1635
3586 if (!skop) 1636 if (!skop)
3587 { 1637 {
3588 who->failmsg (format ("The %s is broken, please report this to the dungeon master!", query_name (op)));//TODO 1638 who->failmsg (format ("The %s is broken, please report this to the dungeon master!", query_name (op)));//TODO
1639 if (tmp) who->insert (tmp);
3589 return 1; 1640 return 1;
3590 } 1641 }
3591 1642
3592 SET_FLAG (op, FLAG_APPLIED); 1643 op->flag [FLAG_APPLIED] = true;
3593 who->change_skill (skop);
3594 1644
3595 if (who->contr) 1645 if (player *pl = who->contr)
3596 { 1646 {
3597 who->contr->ranged_ob = op;
3598
3599 who->statusmsg (format ("You ready %s.", query_name (op))); 1647 who->statusmsg (format ("You ready %s.", query_name (op)));
3600 1648
3601 if (op->type == BOW) 1649 if (op->type == BOW)
3602 {
3603 who->current_weapon = op;
3604 change_abil (who, op);
3605 who->statusmsg (format ("You will now fire %s with %s.", op->race ? &op->race : "nothing", query_name (op))); 1650 who->statusmsg (format ("You will now fire %s with %s.", op->race ? &op->race : "nothing", query_name (op)));
3606 } 1651
1652 change_abil (who, op);
3607 } 1653 }
3608 else 1654 else
3609 { 1655 {
1656 who->change_skill (skop);
1657
3610 if (op->type == BOW) 1658 if (op->type == BOW)
3611 SET_FLAG (who, FLAG_READY_BOW); 1659 op->flag [FLAG_READY_BOW ] = true;
3612 else 1660 else
3613 SET_FLAG (who, FLAG_READY_RANGE); 1661 op->flag [FLAG_READY_RANGE] = true;
3614 } 1662 }
3615 1663
3616 break; 1664 break;
3617 1665
3618 case BUILDER: 1666 case BUILDER:
3619 if (who->type == PLAYER) 1667 if (player *pl = who->contr)
3620 { 1668 {
3621 //TODO: wtf does this do? shouldn't this be managed automatically (slots?)
3622 if (who->contr->ranged_ob && who->contr->ranged_ob->type == BUILDER)
3623 unapply_special (who, who->contr->ranged_ob, 0);
3624
3625 who->statusmsg (format ("You ready your %s.", query_name (op))); 1669 who->statusmsg (format ("You ready your %s.", query_name (op)));
3626 1670 //TODO: change_abil?
3627 who->contr->ranged_ob = op;
3628 } 1671 }
3629 break; 1672 break;
3630 1673
3631 default: 1674 default:
3632 who->statusmsg (format ("You apply %s.", query_name (op))); 1675 who->statusmsg (format ("You apply %s.", query_name (op)));
3633 } 1676 }
3634 1677
3635 SET_FLAG (op, FLAG_APPLIED); 1678 SET_FLAG (op, FLAG_APPLIED);
3636 1679
3637 if (tmp)
3638 who->insert (tmp); 1680 if (tmp) who->insert (tmp);
3639 1681
3640 who->update_stats (); 1682 who->update_stats ();
3641 1683
3642 /* We exclude spell casting objects. The fire code will set the 1684 /* We exclude spell casting objects. The fire code will set the
3643 * been applied flag when they are used - until that point, 1685 * been applied flag when they are used - until that point,
… …
3660 esrv_send_item (pl, op); 1702 esrv_send_item (pl, op);
3661 1703
3662 return 0; 1704 return 0;
3663} 1705}
3664 1706
1707/**
1708 * Check if op should abort moving victim because of it's race or slaying.
1709 * Returns 1 if it should abort, returns 0 if it should continue.
1710 */
3665int 1711int
3666monster_apply_special (object *who, object *op, int aflags) 1712should_director_abort (object *op, object *victim)
3667{ 1713{
3668 if (QUERY_FLAG (op, FLAG_UNPAID) && !QUERY_FLAG (op, FLAG_APPLIED)) 1714 int arch_flag, name_flag, race_flag;
1715
1716 /* Get flags to determine what of arch, name, and race should be checked.
1717 * This is stored in subtype, and is a bitmask, the LSB is the arch flag,
1718 * the next is the name flag, and the last is the race flag. Also note,
1719 * if subtype is set to zero, that also goes to defaults of all affecting
1720 * it. Examples:
1721 * subtype 1: only arch
1722 * subtype 3: arch or name
1723 * subtype 5: arch or race
1724 * subtype 7: all three
1725 */
1726 if (op->subtype)
1727 {
1728 arch_flag = op->subtype & 1;
1729 name_flag = op->subtype & 2;
1730 race_flag = op->subtype & 4;
1731 }
1732 else
1733 {
1734 arch_flag = 1;
1735 name_flag = 1;
1736 race_flag = 1;
1737 }
1738
1739 /* If the director has race set, only affect objects with a arch,
1740 * name or race that matches.
1741 */
1742 if ((op->race) &&
1743 ((!(victim->arch && arch_flag && victim->arch->archname) || op->race != victim->arch->archname)) &&
1744 ((!(victim->name && name_flag) || op->race != victim->name)) &&
1745 ((!(victim->race && race_flag) || op->race != victim->race)))
3669 return 1; 1746 return 1;
3670 1747
1748 /* If the director has slaying set, only affect objects where none
1749 * of arch, name, or race match.
1750 */
1751 if ((op->slaying) && (((victim->arch && arch_flag && victim->arch->archname && op->slaying == victim->arch->archname))) ||
1752 ((victim->name && name_flag && op->slaying == victim->name)) ||
1753 ((victim->race && race_flag && op->slaying == victim->race)))
1754 return 1;
1755
1756 return 0;
1757}
1758
1759/**
1760 * This handles a player dropping money on an altar to identify stuff.
1761 * It'll identify marked item, if none all items up to dropped money.
1762 * Return value: 1 if money was destroyed, 0 if not.
1763 */
1764static int
1765apply_id_altar (object *money, object *altar, object *pl)
1766{
1767 dynbuf_text &buf = msg_dynbuf; buf.clear ();
1768
1769 if (!pl || pl->type != PLAYER)
1770 return 0;
1771
1772 /* Check for MONEY type is a special hack - it prevents 'nothing needs
1773 * identifying' from being printed out more than it needs to be.
1774 */
1775 if (!check_altar_sacrifice (altar, money, pl) || money->type != MONEY)
1776 return 0;
1777
1778 /* if the player has a marked item, identify that if it needs to be
1779 * identified. If it doesn't, then go through the player inventory.
1780 */
1781 if (object *marked = find_marked_object (pl))
1782 if (!QUERY_FLAG (marked, FLAG_IDENTIFIED) && need_identify (marked))
1783 {
1784 if (operate_altar (altar, &money, pl))
1785 {
1786 identify (marked);
1787
1788 buf.printf ("You have %s.\r", long_desc (marked, pl));
1789 if (marked->msg)
1790 buf << "The item has a story:\r" << marked->msg << "\n\n";
1791
1792 return !money;
1793 }
1794 }
1795
1796 for (object *id = pl->inv; id; id = id->below)
1797 {
1798 if (!QUERY_FLAG (id, FLAG_IDENTIFIED) && !id->invisible && need_identify (id))
1799 {
1800 if (operate_altar (altar, &money, pl))
1801 {
1802 identify (id);
1803
1804 buf.printf ("You have %s.\r", long_desc (id, pl));
1805 if (id->msg)
1806 buf << "The item has a story:\r" << id->msg << "\n\n";
1807
1808 /* If no more money, might as well quit now */
1809 if (!money || !check_altar_sacrifice (altar, money))
1810 break;
1811 }
1812 else
1813 {
1814 LOG (llevError, "check_id_altar: Couldn't do sacrifice when we should have been able to\n");
1815 break;
1816 }
1817 }
1818 }
1819
1820 if (buf.empty ())
1821 pl->failmsg ("You have nothing that needs identifying");
1822 else
1823 pl->contr->infobox (MSG_CHANNEL ("identify"), buf);
1824
1825 return !money;
1826}
1827
1828/**
1829 * This checks whether the object has a "on_use_yield" field, and if so generated and drops
1830 * matching item.
1831 **/
1832void
1833handle_apply_yield (object *tmp)
1834{
1835 if (shstr_tmp yield = tmp->kv (shstr_on_use_yield))
1836 archetype::get (yield)->insert_at (tmp, tmp, INS_BELOW_ORIGINATOR);
1837}
1838
1839/**
1840 * Handles applying a potion.
1841 */
1842int
1843apply_potion (object *op, object *tmp)
1844{
1845 int got_one = 0, i;
1846 object *force = 0;
1847
1848 object *floor = GET_MAP_OB (op->map, op->x, op->y);
1849
1850 if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_SAFE)
1851 {
1852 op->failmsg ("Gods prevent you from using this here, it's sacred ground!");
1853
1854 CLEAR_FLAG (tmp, FLAG_APPLIED);
1855 return 0;
1856 }
1857
1858 if (op->type == PLAYER)
1859 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
1860 identify (tmp);
1861
1862 handle_apply_yield (tmp);
1863
1864 /* Potion of restoration - only for players */
1865 if (op->type == PLAYER && (tmp->attacktype & AT_DEPLETE))
1866 {
1867 object *depl;
1868 archetype *at;
1869
1870 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
1871 {
1872 op->drain_stat ();
1873 op->update_stats ();
1874 tmp->decrease ();
1875 return 1;
1876 }
1877
1878 if (!(at = archetype::find (shstr_depletion)))
1879 {
1880 LOG (llevError, "Could not find archetype depletion\n");
1881 return 0;
1882 }
1883
1884 depl = present_arch_in_ob (at, op);
1885
1886 if (depl)
1887 {
1888 for (i = 0; i < NUM_STATS; i++)
1889 if (depl->stats.stat (i))
1890 op->statusmsg (restore_msg[i]);
1891
1892 depl->destroy ();
1893 op->update_stats ();
1894 }
1895 else
1896 op->statusmsg ("Your potion had no effect.");
1897
1898 tmp->decrease ();
1899 return 1;
1900 }
1901
1902 /* improvement potion - only for players */
1903 if (op->type == PLAYER && (tmp->attacktype & AT_GODPOWER))
1904 {
1905 for (i = 1; i < min (11, op->level); i++)
1906 {
1907 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
1908 {
1909 if (op->contr->levhp[i] != 1)
1910 {
1911 op->contr->levhp[i] = 1;
1912 break;
1913 }
1914
1915 if (op->contr->levsp[i] != 1)
1916 {
1917 op->contr->levsp[i] = 1;
1918 break;
1919 }
1920
1921 if (op->contr->levgrace[i] != 1)
1922 {
1923 op->contr->levgrace[i] = 1;
1924 break;
1925 }
1926 }
1927 else
1928 {
1929 if (op->contr->levhp[i] < 9)
1930 {
1931 op->contr->levhp[i] = 9;
1932 break;
1933 }
1934
1935 if (op->contr->levsp[i] < 6)
1936 {
1937 op->contr->levsp[i] = 6;
1938 break;
1939 }
1940
1941 if (op->contr->levgrace[i] < 3)
1942 {
1943 op->contr->levgrace[i] = 3;
1944 break;
1945 }
1946 }
1947 }
1948
1949 /* Just makes checking easier */
1950 if (i < min (11, op->level))
1951 got_one = 1;
1952
1953 if (!QUERY_FLAG (tmp, FLAG_CURSED) && !QUERY_FLAG (tmp, FLAG_DAMNED))
1954 {
1955 if (got_one)
1956 {
1957 op->update_stats ();
1958 op->statusmsg ("The Gods smile upon you and remake you "
1959 "a little more in their image. "
1960 "You feel a little more perfect.", NDI_GREEN);
1961 }
1962 else
1963 op->statusmsg ("The potion had no effect - you are already perfect.");
1964 }
1965 else
1966 { /* cursed potion */
1967 if (got_one)
1968 {
1969 op->update_stats ();
1970 op->failmsg ("The Gods are angry and punish you.");
1971 }
1972 else
1973 op->statusmsg ("You are fortunate that you are so pathetic.", NDI_DK_ORANGE);
1974 }
1975
1976 tmp->decrease ();
1977 return 1;
1978 }
1979
1980
1981 /* A potion that casts a spell. Healing, restore spellpoint (power potion)
1982 * and heroism all fit into this category. Given the spell object code,
1983 * there is no limit to the number of spells that potions can be cast,
1984 * but direction is problematic to try and imbue fireball potions for example.
1985 */
1986 if (tmp->inv)
1987 {
1988 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
1989 {
1990 op->failmsg ("Yech! Your lungs are on fire!");
1991 create_exploding_ball_at (op, op->level);
1992 }
1993 else
1994 cast_spell (op, tmp, op->facing, tmp->inv, NULL);
1995
1996 tmp->decrease ();
1997
1998 /* if youre dead, no point in doing this... */
1999 if (!QUERY_FLAG (op, FLAG_REMOVED))
2000 op->update_stats ();
2001
2002 return 1;
2003 }
2004
2005 /* Deal with protection potions */
2006 force = NULL;
2007 for (i = 0; i < NROFATTACKS; i++)
2008 {
2009 if (tmp->resist[i])
2010 {
2011 if (!force)
2012 force = get_archetype (FORCE_NAME);
2013
2014 memcpy (force->resist, tmp->resist, sizeof (tmp->resist));
2015 force->type = POTION_EFFECT;
2016 break; /* Only need to find one protection since we copy entire batch */
2017 }
2018 }
2019
2020 /* This is a protection potion */
2021 if (force)
2022 {
2023 /* cursed items last longer */
2024 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
2025 {
2026 force->stats.food *= 10;
2027 for (i = 0; i < NROFATTACKS; i++)
2028 if (force->resist[i] > 0)
2029 force->resist[i] = -force->resist[i]; /* prot => vuln */
2030 }
2031
2032 force->speed_left = -1;
2033 force = insert_ob_in_ob (force, op);
2034 CLEAR_FLAG (tmp, FLAG_APPLIED);
2035 SET_FLAG (force, FLAG_APPLIED);
2036 change_abil (op, force);
2037 tmp->decrease ();
2038 return 1;
2039 }
2040
2041 /* Only thing left are the stat potions */
2042 if (op->type == PLAYER)
2043 { /* only for players */
2044 if ((QUERY_FLAG (tmp, FLAG_CURSED)
2045 || QUERY_FLAG (tmp, FLAG_DAMNED))
2046 && tmp->value != 0)
2047 CLEAR_FLAG (tmp, FLAG_APPLIED);
2048 else
2049 SET_FLAG (tmp, FLAG_APPLIED);
2050
2051 if (!change_abil (op, tmp))
2052 op->statusmsg ("Nothing happened.");
2053 }
2054
2055 /* CLEAR_FLAG is so that if the character has other potions
2056 * that were grouped with the one consumed, his
2057 * stat will not be raised by them. fix_player just clears
2058 * up all the stats.
2059 */
2060 CLEAR_FLAG (tmp, FLAG_APPLIED);
2061 op->update_stats ();
2062 tmp->decrease ();
2063 return 1;
2064}
2065
2066/**
2067 * 'victim' moves onto 'trap'
2068 * 'victim' leaves 'trap'
2069 * effect is determined by move_on/move_off of trap and move_type of victime.
2070 *
2071 * originator: Player, monster or other object that caused 'victim' to move
2072 * onto 'trap'. Will receive messages caused by this action. May be NULL.
2073 * However, some types of traps require an originator to function.
2074 */
2075void
2076move_apply (object *trap, object *victim, object *originator)
2077{
2078 static int recursion_depth = 0;
2079
2080 /* Only exits affect DMs. */
2081 if (QUERY_FLAG (victim, FLAG_WIZPASS) && trap->type != EXIT && trap->type != SIGN)
2082 return;
2083
2084 /* move_apply() is the most likely candidate for causing unwanted and
2085 * possibly unlimited recursion.
2086 */
2087 /* The following was changed because it was causing perfectly correct
2088 * maps to fail. 1) it's not an error to recurse:
2089 * rune detonates, summoning monster. monster lands on nearby rune.
2090 * nearby rune detonates. This sort of recursion is expected and
2091 * proper. This code was causing needless crashes.
2092 */
2093 if (recursion_depth >= 500)
2094 {
2095 LOG (llevDebug, "WARNING: move_apply(): aborting recursion "
2096 "[trap arch %s, name %s; victim arch %s, name %s]\n", &trap->arch->archname, &trap->name, &victim->arch->archname, &victim->name);
2097 return;
2098 }
2099
2100 recursion_depth++;
2101 if (trap->head)
2102 trap = trap->head;
2103
2104 if (!INVOKE_OBJECT (MOVE_TRIGGER, trap, ARG_OBJECT (victim), ARG_OBJECT (originator)))
2105 switch (trap->type)
2106 {
2107 case PLAYERMOVER:
2108 if (trap->attacktype && (trap->level || victim->type != PLAYER) && !should_director_abort (trap, victim))
2109 {
2110 if (!trap->stats.maxsp)
2111 trap->stats.maxsp = 2;
2112
2113 /* Is this correct? From the docs, it doesn't look like it
2114 * should be divided by trap->speed
2115 */
2116 victim->speed_left = -trap->stats.maxsp * victim->speed / trap->speed;
2117
2118 /* Just put in some sanity check. I think there is a bug in the
2119 * above with some objects have zero speed, and thus the player
2120 * getting permanently paralyzed.
2121 */
2122 if (victim->speed_left < -50.f)
2123 victim->speed_left = -50.f;
2124 /* LOG(llevDebug, "apply, playermove, player speed_left=%f\n", victim->speed_left); */
2125 }
2126 break;
2127
2128 case SPINNER:
2129 if (victim->direction)
2130 {
2131 victim->direction = absdir (victim->direction - trap->stats.sp);
2132 update_turn_face (victim);
2133 }
2134 break;
2135
2136 case DIRECTOR:
2137 if (victim->direction && !should_director_abort (trap, victim))
2138 {
2139 victim->direction = trap->stats.sp;
2140 update_turn_face (victim);
2141 }
2142 break;
2143
2144 case BUTTON:
2145 case PEDESTAL:
2146 case T_MATCH:
2147 update_button (trap, originator);
2148 break;
2149
2150 case ALTAR:
2151 /* sacrifice victim on trap */
2152 apply_altar (trap, victim, originator);
2153 break;
2154
2155 case THROWN_OBJ:
2156 if (trap->inv == NULL)
2157 break;
2158 /* fallthrough */
2159
2160 case ARROW:
2161 /* bad bug: monster throw a object, make a step forwards, step on object ,
2162 * trigger this here and get hit by own missile - and will be own enemy.
2163 * Victim then is his own enemy and will start to kill herself (this is
2164 * removed) but we have not synced victim and his missile. To avoid senseless
2165 * action, we avoid hits here
2166 */
2167 if ((QUERY_FLAG (victim, FLAG_ALIVE) && trap->has_active_speed ())
2168 && trap->owner != victim)
2169 hit_with_arrow (trap, victim);
2170 break;
2171
2172 case SPELL_EFFECT:
2173 apply_spell_effect (trap, victim);
2174 break;
2175
2176 case TRAPDOOR:
2177 {
2178 int max, sound_was_played;
2179 object *ab, *ab_next;
2180
2181 if (!trap->value)
2182 {
2183 int tot;
2184
2185 for (ab = trap->above, tot = 0; ab; ab = ab->above)
2186 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
2187 tot += ab->head_ ()->total_weight ();
2188
2189 if (!(trap->value = (tot > trap->weight) ? 1 : 0))
2190 break;
2191
2192 SET_ANIMATION (trap, trap->value);
2193 update_object (trap, UP_OBJ_FACE);
2194 }
2195
2196 for (ab = trap->above, max = 100, sound_was_played = 0; --max && ab; ab = ab_next)
2197 {
2198 /* need to set this up, since if we do transfer the object,
2199 * ab->above would be bogus
2200 */
2201 ab_next = ab->above;
2202
2203 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
2204 {
2205 if (!sound_was_played)
2206 {
2207 trap->play_sound (trap->sound ? trap->sound : sound_find ("fall_hole"));
2208 sound_was_played = 1;
2209 }
2210
2211 ab->statusmsg ("You fall into a trapdoor!", NDI_RED);
2212 transfer_ob (ab, EXIT_X (trap), EXIT_Y (trap), 0, ab);
2213 }
2214 }
2215 break;
2216 }
2217
2218 case CONVERTER:
2219 if (convert_item (victim, trap) < 0)
2220 {
2221 originator->failmsg (format ("The %s seems to be broken!", query_name (trap)));
2222 archetype::get (shstr_burnout)->insert_at (trap, trap);
2223 }
2224
2225 break;
2226
2227 case TRIGGER_BUTTON:
2228 case TRIGGER_PEDESTAL:
2229 case TRIGGER_ALTAR:
2230 check_trigger (trap, victim, originator);
2231 break;
2232
2233 case DEEP_SWAMP:
2234 walk_on_deep_swamp (trap, victim);
2235 break;
2236
2237 case CHECK_INV:
2238 check_inv (victim, trap);
2239 break;
2240
2241 case HOLE:
2242 move_apply_hole (trap, victim);
2243 break;
2244
2245 case EXIT:
2246 if (victim->type == PLAYER && EXIT_PATH (trap))
2247 {
2248 /* Basically, don't show exits leading to random maps the
2249 * players output.
2250 */
2251 if (trap->msg && EXIT_PATH (trap) != shstr_random_map_exit)
2252 victim->statusmsg (trap->msg, NDI_NAVY);
2253
2254 trap->play_sound (trap->sound);
2255 victim->enter_exit (trap);
2256 }
2257 break;
2258
2259 case ENCOUNTER:
2260 /* may be some leftovers on this */
2261 break;
2262
2263 case SHOP_MAT:
2264 apply_shop_mat (trap, victim);
2265 break;
2266
2267 /* Drop a certain amount of gold, and have one item identified */
2268 case IDENTIFY_ALTAR:
2269 apply_id_altar (victim, trap, originator);
2270 break;
2271
2272 case SIGN:
2273 if (victim->type != PLAYER && trap->stats.food > 0)
2274 break; /* monsters musn't apply magic_mouths with counters */
2275
2276 apply_sign (victim, trap, 1);
2277 break;
2278
2279 case CONTAINER:
2280 apply_container (victim, trap);
2281 break;
2282
2283 case RUNE:
2284 case TRAP:
2285 if (trap->level && QUERY_FLAG (victim, FLAG_ALIVE))
2286 spring_trap (trap, victim);
2287 break;
2288
2289 default:
2290 LOG (llevDebug, "name %s, arch %s, type %d with fly/walk on/off not "
2291 "handled in move_apply()\n", &trap->name, &trap->arch->archname, trap->type);
2292 break;
2293 }
2294
2295 recursion_depth--;
2296}
2297
2298/**
2299 * Handles reading a regular (ie not containing a spell) book.
2300 */
2301static void
2302apply_book (object *op, object *tmp)
2303{
2304 int lev_diff;
2305 object *skill_ob;
2306
2307 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
2308 {
2309 op->failmsg ("You are unable to read while blind!");
2310 return;
2311 }
2312
2313 if (!tmp->msg)
2314 {
2315 op->failmsg (format ("The %s contains nothing but meaningless gibberish. H<There is nothing interesting to read here.>", &tmp->name));
2316 return;
2317 }
2318
2319 /* need a literacy skill to read stuff! */
2320 skill_ob = find_skill_by_name (op, tmp->skill);
2321 if (!skill_ob)
2322 {
2323 op->failmsg (format ("You are unable to decipher the strange symbols. H<You lack the %s skill to read this.>", &tmp->skill));
2324 return;
2325 }
2326
2327 lev_diff = tmp->level - (skill_ob->level + 5);
2328 if (!QUERY_FLAG (op, FLAG_WIZ) && lev_diff > 0)
2329 {
2330 op->failmsg (lev_diff < 2 ? "This book is just barely beyond your comprehension."
2331 : lev_diff < 3 ? "This book is slightly beyond your comprehension."
2332 : lev_diff < 5 ? "This book is beyond your comprehension."
2333 : lev_diff < 8 ? "This book is quite a bit beyond your comprehension."
2334 : lev_diff < 15 ? "This book is way beyond your comprehension."
2335 : "This book is totally beyond your comprehension.");
2336 return;
2337 }
2338
2339 // we currently don't use the message types for anything.
2340 // readable_message_type *msgType = get_readable_message_type (tmp);
2341
2342 tmp->play_sound (tmp->sound ? tmp->sound : sound_find ("apply_book"));
2343
2344 if (player *pl = op->contr)
2345 if (client *ns = pl->ns)
2346 pl->infobox (MSG_CHANNEL ("book"), format ("T<%s>\n\n%s", (char *)long_desc (tmp, op), &tmp->msg));
2347
2348 /* gain xp from reading */
2349 if (!QUERY_FLAG (tmp, FLAG_NO_SKILL_IDENT))
2350 { /* only if not read before */
2351 int exp_gain = calc_skill_exp (op, tmp, skill_ob);
2352
2353 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
2354 {
2355 /*exp_gain *= 2; because they just identified it too */
2356 SET_FLAG (tmp, FLAG_IDENTIFIED);
2357
2358 if (object *pl = tmp->visible_to ())
2359 esrv_update_item (UPD_FLAGS | UPD_NAME, pl, tmp);
2360 }
2361
2362 change_exp (op, exp_gain, skill_ob->skill, 0);
2363 SET_FLAG (tmp, FLAG_NO_SKILL_IDENT); /* so no more xp gained from this book */
2364 }
2365}
2366
2367/**
2368 * op made some mistake with a scroll, this takes care of punishment.
2369 * scroll_failure()- hacked directly from spell_failure
2370 */
2371static void
2372scroll_failure (object *op, int failure, int power)
2373{
2374 if (abs (failure / 4) > power)
2375 power = abs (failure / 4); /* set minimum effect */
2376
2377 if (failure <= -1 && failure > -15)
2378 { /* wonder */
2379 object *tmp;
2380
2381 op->failmsg ("Your spell warps!");
2382 tmp = get_archetype (SPELL_WONDER);
2383 cast_wonder (op, op, 0, tmp);
2384 tmp->destroy ();
2385 }
2386 else if (failure <= -15 && failure > -35)
2387 { /* drain mana */
2388 op->failmsg ("Your mana is drained!");
2389 op->stats.sp -= random_roll (0, power - 1, op, PREFER_LOW);
2390 if (op->stats.sp < 0)
2391 op->stats.sp = 0;
2392 }
2393 else if (settings.spell_failure_effects == TRUE)
2394 {
2395 if (failure <= -35 && failure > -60)
2396 { /* confusion */
2397 op->failmsg ("The magic recoils on you!");
2398 confuse_player (op, op, power);
2399 }
2400 else if (failure <= -60 && failure > -70)
2401 { /* paralysis */
2402 op->failmsg ("The magic recoils and paralyzes you!");
2403 paralyze_player (op, op, power);
2404 }
2405 else if (failure <= -70 && failure > -80)
2406 { /* blind */
2407 op->failmsg ("The magic recoils on you!");
2408 blind_player (op, op, power);
2409 }
2410 else if (failure <= -80)
2411 { /* blast the immediate area */
2412 object *tmp = get_archetype (LOOSE_MANA);
2413 cast_magic_storm (op, tmp, power);
2414 op->failmsg ("You unleash uncontrolled mana!");
2415 tmp->destroy ();
2416 }
2417 }
2418}
2419
2420/**
2421 * Handles the applying of a skill scroll, calling learn_skill straight.
2422 * op is the person learning the skill, tmp is the skill scroll object
2423 */
2424static void
2425apply_skillscroll (object *op, object *tmp)
2426{
2427 switch (learn_skill (op, tmp))
2428 {
2429 case 0:
2430 op->play_sound (sound_find ("generic_fail"));
2431 op->failmsg (format ("You already possess the knowledge held within the %s.", query_name (tmp)));
2432 break;
2433
2434 case 1:
2435 tmp->decrease ();
2436 op->play_sound (sound_find ("skill_learn"));
2437 op->statusmsg (format ("You succeed in learning %s", &tmp->skill));
2438 break;
2439
2440 default:
2441 tmp->decrease ();
2442 op->play_sound (sound_find ("generic_fail"));
2443 op->failmsg (format ("You fail to learn the knowledge of the %s.\n", query_name (tmp)));
2444 break;
2445 }
2446}
2447
2448/**
2449 * Actually makes op learn spell.
2450 * Informs player of what happens.
2451 */
2452void
2453do_learn_spell (object *op, object *spell, int special_prayer)
2454{
2455 object *tmp;
2456
2457 if (op->type != PLAYER)
2458 {
2459 LOG (llevError, "BUG: do_learn_spell(): not a player\n");
2460 return;
2461 }
2462
2463 /* Upgrade special prayers to normal prayers */
2464 if ((tmp = check_spell_known (op, spell->name)) != NULL)
2465 {
2466 if (special_prayer && !QUERY_FLAG (tmp, FLAG_STARTEQUIP))
2467 {
2468 LOG (llevError, "BUG: do_learn_spell(): spell already known, but not marked as startequip\n");
2469 return;
2470 }
2471 return;
2472 }
2473
2474 op->contr->play_sound (sound_find ("learn_spell"));
2475
2476 tmp = spell->clone ();
2477 insert_ob_in_ob (tmp, op);
2478
2479 if (special_prayer)
2480 SET_FLAG (tmp, FLAG_STARTEQUIP);
2481
2482 esrv_add_spells (op->contr, tmp);
2483}
2484
2485/**
2486 * Erases spell from player's inventory.
2487 */
2488void
2489do_forget_spell (object *op, const char *spell)
2490{
2491 object *spob;
2492
2493 if (op->type != PLAYER)
2494 {
2495 LOG (llevError, "BUG: do_forget_spell(): not a player\n");
2496 return;
2497 }
2498 if ((spob = check_spell_known (op, spell)) == NULL)
2499 {
2500 LOG (llevError, "BUG: do_forget_spell(): spell not known\n");
2501 return;
2502 }
2503
2504 op->failmsg (format ("You lose knowledge of %s.", spell));
2505 esrv_remove_spell (op->contr, spob);
2506 spob->destroy ();
2507}
2508
2509/**
2510 * Handles player applying a spellbook.
2511 * Checks whether player has knowledge of required skill, doesn't already know the spell,
2512 * stuff like that. Random learning failure too.
2513 */
2514static void
2515apply_spellbook (object *op, object *tmp)
2516{
2517 object *skop, *spell, *spell_skill;
2518
2519 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
2520 {
2521 op->failmsg ("You are unable to read while blind.");
2522 return;
2523 }
2524
2525 /* artifact_spellbooks have 'slaying' field point to a spell name,
2526 * instead of having their spell stored in stats.sp. These are
2527 * legacy spellbooks
2528 */
2529 if (tmp->slaying)
2530 {
2531 spell = find_archetype_by_object_name (tmp->slaying)->instance ();
2532
2533 if (!spell)
2534 {
2535 op->failmsg (format ("The book's formula for %s is incomplete.", &tmp->slaying));
2536 return;
2537 }
2538 else
2539 insert_ob_in_ob (spell, tmp);
2540
2541 tmp->slaying = 0;
2542 }
2543
2544 skop = find_skill_by_name (op, tmp->skill);
2545
2546 /* need a literacy skill to learn spells. Also, having a literacy level
2547 * lower than the spell will make learning the spell more difficult */
2548 if (!skop)
2549 {
2550 op->failmsg (format ("You can't read! Your attempt fails. H<You lack the %s skill.>", &tmp->skill));
2551 return;
2552 }
2553
2554 spell = tmp->inv;
2555
2556 if (!spell)
2557 {
2558 LOG (llevError, "apply_spellbook: Book %s has no spell in it!\n", &tmp->name);
2559 op->failmsg ("The spellbook symbols make no sense. This is a bug, please report!");
2560 return;
2561 }
2562
2563 int learn_level = sqrtf (spell->level) * 1.5f;
2564 if (skop->level < learn_level)
2565 {
2566 op->failmsg (format ("You are unable to decipher the strange symbols. H<Your %s level is too low, it must be at least %d.>",
2567 &tmp->skill, learn_level));
2568 return;
2569 }
2570
2571 op->statusmsg (format ("The spellbook contains the %s level spell %s.", ordinal (spell->level), &spell->name));
2572
2573 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
2574 identify (tmp);
2575
2576 /* I removed the check for special_prayer_mark here - it didn't make
2577 * a lot of sense - special prayers are not found in spellbooks, and
2578 * if the player doesn't know the spell, doesn't make a lot of sense that
2579 * they would have a special prayer mark.
2580 */
2581 if (check_spell_known (op, spell->name))
2582 {
2583 op->statusmsg ("You already know that spell. H<It makes no sense to learn spells twice, and would only waste the spellbook.>\n");
2584 return;
2585 }
2586
2587 if (spell->skill)
2588 {
2589 spell_skill = find_skill_by_name (op, spell->skill);
2590
2591 if (!spell_skill)
2592 {
2593 op->failmsg (format ("You lack the %s skill to use this spell.", &spell->skill));
2594 return;
2595 }
2596
2597 if (spell_skill->level < spell->level)
2598 {
2599 op->failmsg (format ("You need to be level %d in %s to learn this spell.", spell->level, &spell->skill));
2600 return;
2601 }
2602 }
2603
2604 /* Logic as follows
2605 *
2606 * 1- MU spells use Int to learn, Cleric spells use Wisdom
2607 *
2608 * 2- The learner's skill level in literacy adjusts the chance to learn
2609 * a spell.
2610 *
2611 * 3 -Automatically fail to learn if you read while confused
2612 *
2613 * Overall, chances are the same but a player will find having a high
2614 * literacy rate very useful! -b.t.
2615 */
2616 if (QUERY_FLAG (op, FLAG_CONFUSED))
2617 {
2618 op->failmsg ("In your confused state you flub the wording of the text!");
2619 scroll_failure (op, 0 - random_roll (0, spell->level, op, PREFER_LOW), max (spell->stats.sp, spell->stats.grace));
2620 }
2621 else if (QUERY_FLAG (tmp, FLAG_STARTEQUIP) ||
2622 (random_roll (0, 100, op, PREFER_LOW) - (5 * skop->level)) < learn_spell[spell->stats.grace ? op->stats.Wis : op->stats.Int])
2623 {
2624 op->statusmsg ("You succeed in learning the spell!", NDI_GREEN);
2625 do_learn_spell (op, spell, 0);
2626
2627 /* xp gain to literacy for spell learning */
2628 if (!QUERY_FLAG (tmp, FLAG_STARTEQUIP))
2629 change_exp (op, calc_skill_exp (op, tmp, skop), skop->skill, 0);
2630 }
2631 else
2632 {
2633 op->contr->play_sound (sound_find ("fumble_spell"));
2634 op->failmsg ("You fail to learn the spell. H<Wis (priests) or Int (wizards) governs the chance of learning a prayer or spell.>\n");
2635 }
2636
2637 tmp->decrease ();
2638}
2639
2640/**
2641 * Handles applying a spell scroll.
2642 */
2643void
2644apply_scroll (object *op, object *tmp, int dir)
2645{
2646 object *skop;
2647
2648 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
2649 {
2650 op->failmsg ("You are unable to read while blind.");
2651 return;
2652 }
2653
2654 if (!tmp->inv || tmp->inv->type != SPELL)
2655 {
2656 op->failmsg ("The scroll just doesn't make sense! H<...and never will make sense.>");
2657 return;
2658 }
2659
2660 if (op->type == PLAYER)
2661 {
2662 /* players need a literacy skill to read stuff! */
2663 int exp_gain = 0;
2664
2665 /* hard code literacy - tmp->skill points to where the exp
2666 * should go for anything killed by the spell.
2667 */
2668 skop = find_skill_by_name (op, skill_names[SK_LITERACY]);
2669
2670 if (!skop)
2671 {
2672 op->failmsg (format ("You are unable to decipher the strange symbols. H<You lack the %s skill.>", &skill_names[SK_LITERACY]));
2673 return;
2674 }
2675
2676 if ((exp_gain = calc_skill_exp (op, tmp, skop)))
2677 change_exp (op, exp_gain, skop->skill, 0);
2678 }
2679
2680 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
2681 identify (tmp);
2682
2683 op->statusmsg (format ("The scroll of %s turns to dust.", &tmp->inv->name));
2684
2685 cast_spell (op, tmp, dir, tmp->inv, NULL);
2686 tmp->decrease ();
2687}
2688
2689/**
2690 * Applies a treasure object - by default, chest. op
2691 * is the person doing the applying, tmp is the treasure
2692 * chest.
2693 */
2694static void
2695apply_treasure (object *op, object *tmp)
2696{
2697 /* Nice side effect of this treasure creation method is that the treasure
2698 * for the chest is done when the chest is created, and put into the chest
2699 * inventory. So that when the chest burns up, the items still exist. Also
2700 * prevents people from moving chests to more difficult maps to get better
2701 * treasure
2702 */
2703 object *treas = tmp->inv;
2704
2705 if (!treas)
2706 {
2707 op->statusmsg ("The chest was empty.");
2708 tmp->decrease ();
2709 return;
2710 }
2711
2712 while (tmp->inv)
2713 {
2714 treas = tmp->inv;
2715 treas->remove ();
2716
2717 treas->x = op->x;
2718 treas->y = op->y;
2719 treas = insert_ob_in_map (treas, op->map, op, INS_BELOW_ORIGINATOR);
2720
2721 if (treas && (treas->type == RUNE || treas->type == TRAP) && treas->level && QUERY_FLAG (op, FLAG_ALIVE))
2722 spring_trap (treas, op);
2723
2724 /* If either player or container was destroyed, no need to do
2725 * further processing. I think this should be enclused with
2726 * spring trap above, as I don't think there is otherwise
2727 * any way for the treasure chest or player to get killed.
2728 */
2729 if (op->destroyed () || tmp->destroyed ())
2730 break;
2731 }
2732
2733 if (!tmp->destroyed () && !tmp->inv)
2734 tmp->decrease (true);
2735}
2736
2737/**
2738 * A dragon is eating some flesh. If the flesh contains resistances,
2739 * there is a chance for the dragon's skin to get improved.
2740 *
2741 * attributes:
2742 * object *op the object (dragon player) eating the flesh
2743 * object *meal the flesh item, getting chewed in dragon's mouth
2744 * return:
2745 * int 1 if eating successful, 0 if it doesn't work
2746 */
2747static int
2748dragon_eat_flesh (object *op, object *meal)
2749{
2750 object *skin = NULL; /* pointer to dragon skin force */
2751 object *abil = NULL; /* pointer to dragon ability force */
2752 object *tmp = NULL; /* tmp. object */
2753
2754 double chance; /* improvement-chance of one resistance type */
2755 double totalchance = 1; /* total chance of gaining one resistance */
2756 double bonus = 0; /* level bonus (improvement is easier at lowlevel) */
2757 double mbonus = 0; /* monster bonus */
2758 int atnr_winner[NROFATTACKS]; /* winning candidates for resistance improvement */
2759 int winners = 0; /* number of winners */
2760 int i; /* index */
2761
2762 /* let's make sure and doublecheck the parameters */
2763 if (meal->type != FLESH || !op->is_dragon ())
2764 return 0;
2765
2766 /* now grab the 'dragon_skin'- and 'dragon_ability'-forces
2767 from the player's inventory */
2768 for (tmp = op->inv; tmp; tmp = tmp->below)
2769 if (tmp->type == FORCE)
2770 if (tmp->arch->archname == shstr_dragon_skin_force)
2771 skin = tmp;
2772 else if (tmp->arch->archname == shstr_dragon_ability_force)
2773 abil = tmp;
2774
2775 /* if either skin or ability are missing, this is an old player
2776 which is not to be considered a dragon -> bail out */
2777 if (skin == NULL || abil == NULL)
2778 return 0;
2779
2780 /* now start by filling stomache and health, according to food-value */
2781 if ((MAX_FOOD - op->stats.food) < meal->stats.food)
2782 op->stats.hp += (MAX_FOOD - op->stats.food) / 50;
2783 else
2784 op->stats.hp += meal->stats.food / 50;
2785
2786 min_it (op->stats.hp, op->stats.maxhp);
2787 op->stats.food = min (MAX_FOOD, op->stats.food + meal->stats.food);
2788
2789 /*LOG(llevDebug, "-> player: %d, flesh: %d\n", op->level, meal->level); */
2790
2791 /* on to the interesting part: chances for adding resistance */
2792 for (i = 0; i < NROFATTACKS; i++)
2793 {
2794 if (meal->resist[i] > 0 && atnr_is_dragon_enabled (i))
2795 {
2796 /* got positive resistance, now calculate improvement chance (0-100) */
2797
2798 /* this bonus makes resistance increase easier at lower levels */
2799 bonus = (settings.max_level - op->level) * 30. / ((double) settings.max_level);
2800 if (i == abil->stats.exp)
2801 bonus += 5; /* additional bonus for resistance of ability-focus */
2802
2803 /* monster bonus increases with level, because high-level
2804 flesh is too rare */
2805 mbonus = op->level * 20. / ((double) settings.max_level);
2806
2807 chance = (((double)min (op->level + bonus, meal->level + bonus + mbonus)) * 100. /
2808 ((double)settings.max_level)) - skin->resist[i];
2809
2810 if (chance >= 0.)
2811 chance += 1.;
2812 else
2813 chance = (chance < -12) ? 0. : 1. / pow (2., -chance);
2814
2815 /* chance is proportional to amount of resistance (max. 50) */
2816 chance *= ((double)(min (meal->resist[i], 50))) / 50.;
2817
2818 /* doubled chance for resistance of ability-focus */
2819 if (i == abil->stats.exp)
2820 chance = min (100., chance * 2.);
2821
2822 /* now make the throw and save all winners (Don't insert luck bonus here!) */
2823 if (rndm (10000) < (unsigned int)(chance * 100))
2824 {
2825 atnr_winner[winners] = i;
2826 winners++;
2827 }
2828
2829 if (chance >= 0.01)
2830 totalchance *= 1 - chance / 100;
2831
2832 /*LOG(llevDebug, " %s: bonus %.1f, chance %.1f\n", attacks[i], bonus, chance); */
2833 }
2834 }
2835
2836 /* inverse totalchance as until now we have the failure-chance */
2837 totalchance = 100 - totalchance * 100;
2838
2839 /* print message according to totalchance */
2840 const char *buf;
2841 if (totalchance > 50.)
2842 buf = format ("Hmm! The %s tasted delicious!", &meal->name);
2843 else if (totalchance > 10.)
2844 buf = format ("The %s tasted very good.", &meal->name);
2845 else if (totalchance > 1.)
2846 buf = format ("The %s tasted good.", &meal->name);
2847 else if (totalchance > 0.1)
2848 buf = format ("The %s tasted bland.", &meal->name);
2849 else if (totalchance >= 0.01)
2850 buf = format ("The %s had a boring taste.", &meal->name);
2851 else if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat))
2852 buf = format ("The %s tasted strange.", &meal->name);
2853 else
2854 buf = format ("The %s had no taste.", &meal->name);
2855
2856 op->statusmsg (buf);
2857
2858 /* now choose a winner if we have any */
2859 i = -1;
2860 if (winners > 0)
2861 i = atnr_winner [rndm (winners)];
2862
2863 if (i >= 0 && i < NROFATTACKS && skin->resist[i] < 95)
2864 {
2865 /* resistance increased! */
2866 skin->resist[i]++;
2867 op->update_stats ();
2868
2869 op->statusmsg (format ("Your skin is now more resistant to %s!", change_resist_msg[i]));
2870 }
2871
2872 /* if this flesh contains a new ability focus, we mark it
2873 into the ability_force and it will take effect on next level */
2874 if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat) && meal->last_eat != abil->last_eat)
2875 {
2876 abil->last_eat = meal->last_eat; /* write: last_eat <new attnr focus> */
2877
2878 if (meal->last_eat != abil->stats.exp)
2879 op->statusmsg (format (
2880 "Your metabolism prepares to focus on %s!\n"
2881 "The change will happen at level %d.",
2882 change_resist_msg[meal->last_eat],
2883 abil->level + 1
2884 ));
2885 else
2886 {
2887 op->statusmsg (format ("Your metabolism will continue to focus on %s.", change_resist_msg[meal->last_eat]));
2888 abil->last_eat = 0;
2889 }
2890 }
2891
2892 return 1;
2893}
2894
2895/**
2896 * op eats food.
2897 * If player, takes care of messages and dragon special food.
2898 */
2899static void
2900apply_food (object *op, object *tmp)
2901{
2902 int capacity_remaining;
2903
2904 if (op->type != PLAYER)
2905 op->stats.hp = op->stats.maxhp;
2906 else
2907 {
2908 /* check if this is a dragon (player), eating some flesh */
2909 if (tmp->type == FLESH && op->is_dragon () && dragon_eat_flesh (op, tmp))
2910 ;
2911 else
2912 {
2913 /* usual case - no dragon meal: */
2914 if (op->stats.food + tmp->stats.food > MAX_FOOD)
2915 {
2916 if (tmp->type == FOOD || tmp->type == FLESH)
2917 op->failmsg ("You feel full, but what a waste of food!");
2918 else
2919 op->statusmsg ("Most of the drink goes down your face not your throat!");
2920 }
2921
2922 tmp->play_sound (
2923 tmp->sound
2924 ? tmp->sound
2925 : tmp->type == DRINK
2926 ? sound_find ("eat_drink")
2927 : sound_find ("eat_food")
2928 );
2929
2930 if (!QUERY_FLAG (tmp, FLAG_CURSED))
2931 {
2932 const char *buf;
2933
2934 if (!op->is_dragon ())
2935 {
2936 /* eating message for normal players */
2937 if (tmp->type == DRINK)
2938 buf = format ("Ahhh...that %s tasted good.", &tmp->name);
2939 else
2940 buf = format ("The %s tasted %s", &tmp->name, tmp->type == FLESH ? "terrible!" : "good.");
2941 }
2942 else
2943 /* eating message for dragon players */
2944 buf = format ("The %s tasted terrible!", &tmp->name);
2945
2946 op->statusmsg (buf);
2947
2948 capacity_remaining = MAX_FOOD - op->stats.food;
2949 op->stats.food += tmp->stats.food;
2950 if (capacity_remaining < tmp->stats.food)
2951 op->stats.hp += capacity_remaining / 50;
2952 else
2953 op->stats.hp += tmp->stats.food / 50;
2954
2955 min_it (op->stats.hp, op->stats.maxhp);
2956 min_it (op->stats.food, MAX_FOOD);
2957 }
2958
2959 /* special food hack -b.t. */
2960 if (tmp->title || QUERY_FLAG (tmp, FLAG_CURSED))
2961 eat_special_food (op, tmp);
2962 }
2963 }
2964
2965 handle_apply_yield (tmp);
2966 tmp->decrease ();
2967}
2968
2969/**
2970 * Handles applying an improve armor scroll.
2971 * Does some sanity checks, then calls improve_armour.
2972 */
2973static void
2974apply_armour_improver (object *op, object *tmp)
2975{
2976 object *armor;
2977
2978 if (!QUERY_FLAG (op, FLAG_WIZCAST) && (get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_NO_MAGIC))
2979 {
2980 op->failmsg ("Something blocks the magic of the scroll. H<This area prevents magic effects.>");
2981 return;
2982 }
2983
2984 armor = find_marked_object (op);
2985
2986 if (!armor)
2987 {
2988 op->failmsg ("You need to mark an armor object. Use the right mouse button popup or the mark command to do this.");
2989 return;
2990 }
2991
2992 if (armor->type != ARMOUR
2993 && armor->type != CLOAK
2994 && armor->type != BOOTS && armor->type != GLOVES && armor->type != BRACERS && armor->type != SHIELD && armor->type != HELMET)
2995 {
2996 op->failmsg ("Your marked item is not armour!\n");
2997 return;
2998 }
2999
3000 op->statusmsg ("Applying armour enchantment.");
3001 improve_armour (op, tmp, armor);
3002}
3003
3004void
3005apply_poison (object *op, object *tmp)
3006{
3007 // need to do it now when it is still on the map
3008 handle_apply_yield (tmp);
3009
3010 object *poison = tmp->split (1);
3011
3012 if (op->type == PLAYER)
3013 {
3014 op->contr->play_sound (sound_find ("drink_poison"));
3015 op->failmsg ("Yech! That tasted poisonous!");
3016 op->contr->killer = poison;
3017 }
3018
3019 if (poison->stats.hp > 0)
3020 {
3021 LOG (llevDebug, "Trying to poison player/monster for %d hp\n", poison->stats.hp);
3022 hit_player (op, poison->stats.hp, tmp, AT_POISON, 1);
3023 }
3024
3025 op->stats.food -= op->stats.food / 4;
3026 poison->destroy ();
3027}
3028
3029/**
3030 * This function will try to apply a lighter and in case no lighter
3031 * is specified it will try to find a lighter in the players inventory,
3032 * and inform him about this requirement.
3033 *
3034 * who - the player
3035 * op - the item we want to light
3036 * lighter - the lighter or 0 if a lighter has yet to be found
3037 */
3038static object *
3039auto_apply_lighter (object *who, object *op, object *lighter)
3040{
3041 if (lighter == 0)
3042 {
3043 for (object *tmp = who->inv; tmp; tmp = tmp->below)
3044 {
3045 if (tmp->type == LIGHTER)
3046 {
3047 lighter = tmp;
3048 break;
3049 }
3050 }
3051
3052 if (!lighter)
3053 {
3054 who->failmsg (format (
3055 "You can't light up the %s with your bare hands! "
3056 "H<You need a lighter in your inventory, for example a flint and steel.>",
3057 &op->name));
3058 return 0;
3059 }
3060 }
3061
3062 // last_eat == 0 means the lighter is not being used up!
3063 if (lighter->last_eat && lighter->stats.food)
3064 {
3065 /* lighter gets used up */
3066 lighter = lighter->split ();
3067 lighter->stats.food--;
3068 who->insert (lighter);
3069 }
3070 else if (lighter->last_eat)
3071 {
3072 /* no charges left in lighter */
3073 who->failmsg (format (
3074 "You attempt to light the %s with a used up %s.",
3075 &op->name, &lighter->name));
3076 return 0;
3077 }
3078
3079 return lighter;
3080}
3081
3082/**
3083 * Designed primarily to light torches/lanterns/etc.
3084 * Also burns up burnable material too. First object in the inventory is
3085 * the selected object to "burn". -b.t.
3086 */
3087static void
3088apply_lighter (object *who, object *lighter)
3089{
3090 object *item;
3091 int is_player_env = 0;
3092
3093 item = find_marked_object (who);
3094 if (item)
3095 {
3096 if (!auto_apply_lighter (who, item, lighter))
3097 return;
3098
3099 /* Perhaps we should split what we are trying to light on fire?
3100 * I can't see many times when you would want to light multiple
3101 * objects at once.
3102 */
3103
3104 save_throw_object (item, AT_FIRE, who);
3105
3106 if (item->destroyed ()
3107 || ((item->type == LAMP || item->type == TORCH)
3108 && item->glow_radius > 0))
3109 who->statusmsg (format (
3110 "You light the %s with the %s.",
3111 &item->name, &lighter->name));
3112 else
3113 who->failmsg (format (
3114 "You attempt to light the %s with the %s and fail.",
3115 &item->name, &lighter->name));
3116 }
3117 else
3118 who->failmsg ("You need to mark a lightable object.");
3119}
3120
3121/**
3122 * This function generates a cursed effect for cursed lamps and torches.
3123 */
3124static void
3125player_apply_lamp_cursed_effect (object *who, object *op)
3126{
3127 if (op->level)
3128 {
3129 who->failmsg (format (
3130 "The %s was cursed, it explodes in a big fireball!",
3131 &op->name));
3132 create_exploding_ball_at (who, op->level);
3133 }
3134 else
3135 {
3136 who->failmsg (format (
3137 "The %s was cursed, it crumbles to dust, at least it didn't explode.!",
3138 &op->name));
3139 }
3140
3141 op->destroy ();
3142}
3143
3144/**
3145 * Apply for players and lamps
3146 *
3147 * who - the player
3148 * op - the lamp
3149 */
3150static void
3151player_apply_lamp (object *who, object *op)
3152{
3153 bool switch_on = op->glow_radius ? false : true;
3154
3155 if (switch_on)
3156 {
3157 object *lighter = 0;
3158
3159 if (op->flag [FLAG_IS_LIGHTABLE]
3160 && !(lighter = auto_apply_lighter (who, op, 0)))
3161 return;
3162
3163 if (op->stats.food < 1)
3164 {
3165 if (op->type == LAMP)
3166 who->failmsg (format (
3167 "The %s is out of fuel! "
3168 "H<Lamps and similar items need fuel. They cannot be refilled.>",
3169 &op->name));
3170 else
3171 who->failmsg (format (
3172 "The %s is burnt out! "
3173 "H<Torches and similar items burn out and become worthless.>",
3174 &op->name));
3175 return;
3176 }
3177
3178 if (op->flag [FLAG_CURSED])
3179 {
3180 player_apply_lamp_cursed_effect (who, op);
3181 return;
3182 }
3183
3184 if (lighter)
3185 who->statusmsg (format (
3186 "You light up the %s with the %s.", &op->name, &lighter->name));
3187 else
3188 who->statusmsg (format ("You light up the %s.", &op->name));
3189 }
3190 else
3191 {
3192 if (op->flag [FLAG_CURSED])
3193 {
3194 player_apply_lamp_cursed_effect (who, op);
3195 return;
3196 }
3197
3198 if (op->type == TORCH)
3199 {
3200 if (!op->flag [FLAG_IS_LIGHTABLE])
3201 {
3202 who->statusmsg (format (
3203 "You put out the %s. "
3204 "H<The %s can't be used anymore, as it can't be lighted up again.>",
3205 &op->name, &op->name));
3206 }
3207 else
3208 who->statusmsg (format (
3209 "You put out the %s."
3210 "H<Torches wear out if you put them out.>",
3211 &op->name));
3212 }
3213 else
3214 who->statusmsg (format ("You turn off the %s.", &op->name));
3215 }
3216
3217 apply_lamp (op, switch_on);
3218}
3219
3220void get_animation_from_arch (object *op, arch_ptr a)
3221{
3222 op->animation_id = a->animation_id;
3223 op->flag [FLAG_IS_TURNABLE] = a->flag [FLAG_IS_TURNABLE];
3224 op->flag [FLAG_ANIMATE] = a->flag [FLAG_ANIMATE];
3225 op->anim_speed = a->anim_speed;
3226 op->last_anim = 0;
3227 op->state = 0;
3228 op->face = a->face;
3229
3230 if (NUM_ANIMATIONS(op) > 1)
3231 {
3232 SET_ANIMATION(op, 0);
3233 animate_object (op, op->direction);
3234 }
3235 else
3236 update_object (op, UP_OBJ_FACE);
3237}
3238
3239/**
3240 * Apply for LAMPs and TORCHes.
3241 *
3242 * op - the lamp
3243 * switch_on - a flag which says whether the lamp should be switched on or off
3244 */
3245void apply_lamp (object *op, bool switch_on)
3246{
3247 op->set_glow_radius (switch_on ? op->range : 0);
3248 op->set_speed (switch_on ? op->arch->speed : 0);
3249
3250 // torches wear out if you put them out
3251 if (op->type == TORCH && !switch_on)
3252 {
3253 if (op->flag [FLAG_IS_LIGHTABLE])
3254 {
3255 op->stats.food -= (double) op->arch->stats.food / 15;
3256 if (op->stats.food < 0)
3257 op->stats.food = 0;
3258 }
3259 else
3260 op->stats.food = 0;
3261 }
3262
3263 // lamps and torched get worthless when used up
3264 if (op->stats.food <= 0)
3265 op->value = 0;
3266
3267 // FIXME: This is a hack to make the more sane torches and lamps
3268 // still animated ;-/
3269 if (op->other_arch)
3270 get_animation_from_arch (op, switch_on ? op->other_arch : op->arch);
3271
3272 if (object *pl = op->visible_to ())
3273 esrv_update_item (UPD_ANIM | UPD_FACE | UPD_NAME, pl, op);
3274}
3275
3276/**
3277 * This handles items of type 'transformer'.
3278 * Basically those items, used with a marked item, transform both items into something
3279 * else.
3280 * "Transformer" item has food decreased by 1, removed if 0 (0 at start means illimited)..
3281 * Change information is contained in the 'slaying' field of the marked item.
3282 * The format is as follow: transformer:[number ]yield[;transformer:...].
3283 * This way an item can be transformed in many things, and/or many objects.
3284 * The 'slaying' field for transformer is used as verb for the action.
3285 */
3286static void
3287apply_item_transformer (object *pl, object *transformer)
3288{
3289 object *marked;
3290 object *new_item;
3291 const char *find;
3292 char *separator;
3293 int yield;
3294 char got[MAX_BUF];
3295 int len;
3296
3297 if (!pl || !transformer)
3298 return;
3299
3300 marked = find_marked_object (pl);
3301
3302 if (!marked)
3303 {
3304 pl->failmsg (format ("Use the %s with what item?", query_name (transformer)));
3305 return;
3306 }
3307
3308 if (!marked->slaying)
3309 {
3310 pl->failmsg (format ("You can't use the %s with your %s!", query_name (transformer), query_name (marked)));
3311 return;
3312 }
3313
3314 /* check whether they are compatible or not */
3315 find = strstr (&marked->slaying, transformer->arch->archname);
3316 if (!find || (*(find + strlen (transformer->arch->archname)) != ':'))
3317 {
3318 pl->failmsg (format ("You can't use the %s with your %s!", query_name (transformer), query_name (marked)));
3319 return;
3320 }
3321
3322 find += strlen (transformer->arch->archname) + 1;
3323 /* Item can be used, now find how many and what it yields */
3324 if (isdigit (*(find)))
3325 {
3326 yield = atoi (find);
3327 if (yield < 1)
3328 {
3329 LOG (llevDebug, "apply_item_transformer: item %s has slaying-yield %d.", query_base_name (marked, 0), yield);
3330 yield = 1;
3331 }
3332 }
3333 else
3334 yield = 1;
3335
3336 while (isdigit (*find))
3337 find++;
3338
3339 while (*find == ' ')
3340 find++;
3341
3342 memset (got, 0, MAX_BUF);
3343
3344 if ((separator = (char *) strchr (find, ';')))
3345 len = separator - find;
3346 else
3347 len = strlen (find);
3348
3349 min_it (len, MAX_BUF - 1);
3350
3351 strcpy (got, find);
3352 got[len] = '\0';
3353
3354 /* Now create new item, remove used ones when required. */
3355 new_item = get_archetype (got);
3356 if (!new_item)
3357 {
3358 pl->failmsg (format ("This %s is strange, better to not use it.", query_base_name (marked, 0)));
3359 return;
3360 }
3361
3362 new_item->nrof = yield;
3363
3364 pl->statusmsg (format ("You %s the %s.", &transformer->slaying, query_base_name (marked, 0)));
3365
3366 pl->insert (new_item);
3367 /* Eat up one item */
3368 marked->decrease ();
3369
3370 /* Eat one transformer if needed */
3371 if (transformer->stats.food)
3372 if (--transformer->stats.food == 0)
3373 transformer->decrease ();
3374}
3375
3376/**
3377 * Main apply handler.
3378 *
3379 * Checks for unpaid items before applying.
3380 *
3381 * Return value is currently not used
3382 *
3383 * who is the object that is causing object to be applied, op is the object
3384 * being applied.
3385 *
3386 * aflag is special (always apply/unapply) flags. Nothing is done with
3387 * them in this function - they are passed to apply_special
3388 */
3389static bool
3390manual_apply (object *who, object *op, int aflag)
3391{
3392 op = op->head_ ();
3393
3394 if (op->flag [FLAG_UNPAID] && !op->flag [FLAG_APPLIED])
3395 {
3396 if (who->contr)
3397 {
3398 examine (who, op);
3399 //who->failmsg ("You should pay for it first! H<You cannot use items marked as unpaid.>");//TODO remove
3400 return 1;
3401 }
3402 else
3403 return 0; /* monsters just skip unpaid items */
3404 }
3405
3406 if (INVOKE_OBJECT (APPLY, op, ARG_OBJECT (who)))
3407 return RESULT_INT (0);
3408 else if (may_attempt_inv [op->type])
3409 {
3410 // special item, using slot system, needs to be in inv
3411 if (op->env == who)
3671 return apply_special (who, op, aflags); 3412 return apply_special (who, op, aflag);
3413
3414 who->failmsg (format ("You must get it first! H<You can only apply the %s if it is in your inventory.>\n", query_name (op)));
3415 }
3416 else if (!who->contr && may_attempt_player [op->type])
3417 return 0; // monsters shouldn't try to apply player-only stuff
3418 else if (may_attempt [op->type])
3419 {
3420 // ordinary stuff, may be on the floor
3421 switch (op->type)
3422 {
3423 case T_HANDLE:
3424 who->play_sound (sound_find ("turn_handle"));
3425 who->statusmsg ("You turn the handle.");
3426 op->value = op->value ? 0 : 1;
3427 SET_ANIMATION (op, op->value);
3428 update_object (op, UP_OBJ_FACE);
3429 push_button (op, who);
3430 break;
3431
3432 case TRIGGER:
3433 if (check_trigger (op, who, who))
3434 {
3435 who->statusmsg ("You turn the handle.");
3436 who->play_sound (sound_find ("turn_handle"));
3437 }
3438 else
3439 who->failmsg ("The handle doesn't move.");
3440
3441 break;
3442
3443 case EXIT:
3444 if (!EXIT_PATH (op))
3445 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)));
3446 else
3447 {
3448 /* Don't display messages for random maps. */
3449 if (op->msg && EXIT_PATH (op) != shstr_random_map_exit)
3450 who->statusmsg (op->msg, NDI_NAVY);
3451
3452 who->enter_exit (op);
3453 }
3454
3455 break;
3456
3457 case INSCRIBABLE:
3458 who->statusmsg (op->msg);
3459 // maybe show a spell menu to chose from or something like that
3460 break;
3461
3462 case SIGN:
3463 apply_sign (who, op, 0);
3464 break;
3465
3466 case BOOK:
3467 apply_book (who, op);
3468 break;
3469
3470 case SKILLSCROLL:
3471 apply_skillscroll (who, op);
3472 break;
3473
3474 case SPELLBOOK:
3475 apply_spellbook (who, op);
3476 break;
3477
3478 case SCROLL:
3479 apply_scroll (who, op, 0);
3480 break;
3481
3482 case POTION:
3483 apply_potion (who, op);
3484 break;
3485
3486 /* Eneq(@csd.uu.se): Handle apply on containers. */
3487 //TODO: remove, as it is unsed?
3488 case CLOSE_CON:
3489 apply_container (who, op->env);
3490 break;
3491
3492 case CONTAINER:
3493 apply_container (who, op);
3494 break;
3495
3496 case TREASURE:
3497 apply_treasure (who, op);
3498 break;
3499
3500 case LAMP:
3501 case TORCH:
3502 player_apply_lamp (who, op);
3503 break;
3504
3505 case DRINK:
3506 case FOOD:
3507 case FLESH:
3508 apply_food (who, op);
3509 break;
3510
3511 case POISON:
3512 apply_poison (who, op);
3513 break;
3514
3515 case SAVEBED:
3516 break;
3517
3518 case ARMOUR_IMPROVER:
3519 apply_armour_improver (who, op);
3520 break;
3521
3522 case WEAPON_IMPROVER:
3523 check_improve_weapon (who, op);
3524 break;
3525
3526 case CLOCK:
3527 {
3528 char buf[MAX_BUF];
3529 timeofday_t tod;
3530
3531 get_tod (&tod);
3532 who->play_sound (sound_find ("sound_clock"));
3533 who->statusmsg (format (
3534 "It is %d minute%s past %d o'clock %s",
3535 tod.minute + 1, ((tod.minute + 1 < 2) ? "" : "s"),
3536 ((tod.hour % 14 == 0) ? 14 : ((tod.hour) % 14)), ((tod.hour >= 14) ? "pm" : "am")
3537 ));
3538 }
3539 break;
3540
3541 case MENU:
3542 shop_listing (op, who);
3543 break;
3544
3545 case POWER_CRYSTAL:
3546 apply_power_crystal (who, op); /* see egoitem.c */
3547 break;
3548
3549 case LIGHTER: /* for lighting torches/lanterns/etc */
3550 apply_lighter (who, op);
3551 break;
3552
3553 case ITEM_TRANSFORMER:
3554 apply_item_transformer (who, op);
3555 break;
3556 }
3557
3558 return 1;
3559 }
3560 else
3561 {
3562 who->statusmsg (format ("I don't know how to apply the %s.", query_name (op)));
3563 return 0;
3564 }
3565}
3566
3567/**
3568 * player_apply_below attempts to apply the object 'below' the player.
3569 * If the player has an open container, we use that for below, otherwise
3570 * we use the ground.
3571 */
3572void
3573player_apply_below (object *pl)
3574{
3575 object *top = pl->container_ () ? pl->container_ ()->inv : pl->below;
3576
3577 /* If using a container, set the starting item to be the top
3578 * item in the container. Otherwise, use the map.
3579 */
3580
3581 // first try to apply "applyables"
3582 for (object *tmp = top; tmp; tmp = tmp->below)
3583 // the tmp->cb is a hack to allow user-extendable types...
3584 if (!tmp->invisible && (may_attempt [tmp->type] || tmp->cb))
3585 {
3586 // If it is visible, player can apply it.
3587 pl->apply (tmp);
3588 return;
3589 }
3590
3591 while (top && top->invisible)
3592 top = top->below;
3593
3594 if (!top || top->flag [FLAG_IS_FLOOR])
3595 pl->failmsg ("You inspect this space, but find no way to apply anything. "
3596 "H<There is nothing here that you can apply.>");
3597 else
3598 // next, try to explain the topmost object
3599 switch (top->type)
3600 {
3601 // TODO: all this should move to examine
3602 case ALTAR:
3603 case IDENTIFY_ALTAR:
3604 case TRIGGER_ALTAR:
3605 case CONVERTER:
3606 //case TRIGGER_PEDESTAL:
3607 pl->failmsg (format (
3608 "You see no obvious mechanism on the %s."
3609 "H<You have to drop one or more specific items here.>",
3610 query_short_name (top)
3611 ));
3612 break;
3613
3614 case BUTTON:
3615 case TRIGGER_BUTTON:
3616 pl->failmsg (format (
3617 "The %s looks as if you could activate it with somehting heavy. "
3618 "H<You must put enough items here to activate it.>",
3619 query_short_name (top)
3620 ));
3621 break;
3622
3623 default:
3624 examine (pl, top);
3625 break;
3626 }
3627}
3628
3629// saner interface, returns successful status
3630bool
3631object::apply (object *ob, int aflags)
3632{
3633 if (!ob) // simplifies a lot of callers
3634 return true;
3635
3636 if (contr)
3637 {
3638 if (!ob->env && (move_type & MOVE_FLYING))
3639 {
3640 /* player is flying and applying object not in inventory */
3641 if (!flag [FLAG_WIZ] && !(ob->move_type & MOVE_FLYING))
3642 {
3643 failmsg ("But you are floating high above the ground! "
3644 "H<You have to stop levitating first, if you can, either by using your levitation skill, "
3645 "or waiting till the levitation effect wears off.>");
3646 return 0;
3647 }
3648 }
3649
3650 contr->last_used = ob;
3651 }
3652
3653 bool want_apply =
3654 aflags & AP_APPLY ? true
3655 : aflags & AP_UNAPPLY ? false
3656 : !ob->flag [FLAG_APPLIED]; // AP_TOGGLE
3657
3658 object_ptr *slot = 0;
3659
3660 // detect the slot, if this is a player
3661 if (contr && !(aflags & AP_NO_SLOT))
3662 {
3663 object *oslot;
3664
3665 switch (ob->type)
3666 {
3667 case WEAPON:
3668 slot = &contr->combat_ob;
3669 oslot = contr->ranged_ob;
3670 break;
3671
3672 case BOW:
3673 case RANGED:
3674 case SPELL:
3675 case WAND:
3676 case ROD:
3677 case HORN:
3678 case BUILDER:
3679 slot = &contr->ranged_ob;
3680 oslot = contr->combat_ob;
3681 break;
3682
3683 // oh, the humanity
3684 case SKILL:
3685 if (aflags & AP_NO_SLOT)
3686 break;
3687
3688 if (skill_flags [ob->subtype] & SF_NEED_ITEM)
3689 break;
3690
3691 if (skill_flags [ob->subtype] & SF_COMBAT)
3692 {
3693 slot = &contr->combat_ob;
3694 oslot = contr->ranged_ob;
3695 }
3696 else if (skill_flags [ob->subtype] & SF_RANGED)
3697 {
3698 slot = &contr->ranged_ob;
3699 oslot = contr->combat_ob;
3700 }
3701
3702 break;
3703 }
3704
3705 // now handle slot exclusions
3706 if (slot)
3707 {
3708 // only one slot can be active
3709 if (want_apply)
3710 {
3711 // clear slot unless we are in it already
3712 if (*slot != ob)
3713 apply (*slot, AP_UNAPPLY);
3714
3715 // unapply other slot, because we want to become active
3716 apply (oslot, AP_UNAPPLY);
3717 }
3718
3719 // clear item from slot if applied
3720 if (!want_apply && current_weapon == ob)
3721 current_weapon = 0;
3722 }
3723 }
3724
3725 if (ob->flag [FLAG_APPLIED] != want_apply)
3726 manual_apply (this, ob, aflags);
3727
3728 if (ob->flag [FLAG_APPLIED] != want_apply)
3729 return false;
3730
3731 if (slot && want_apply)
3732 current_weapon = *slot = ob;
3733
3734 return true;
3672} 3735}
3673 3736
3674/** 3737/**
3675 * Map was just loaded, handle op's initialisation. 3738 * Map was just loaded, handle op's initialisation.
3676 * 3739 *
… …
3783 * treasure again for this object 3846 * treasure again for this object
3784 */ 3847 */
3785 invtmp->randomitems = NULL; 3848 invtmp->randomitems = NULL;
3786 } 3849 }
3787 } 3850 }
3851
3788 /* This is really temporary - the code at the bottom will 3852 /* This is really temporary - the code at the bottom will
3789 * also set randomitems to null. The problem is there are bunches 3853 * also set randomitems to null. The problem is there are bunches
3790 * of maps/players already out there with items that have spells 3854 * of maps/players already out there with items that have spells
3791 * which haven't had the randomitems set to null yet. 3855 * which haven't had the randomitems set to null yet.
3792 * MSW 2004-05-13 3856 * MSW 2004-05-13
… …
3796 * Ryo 2004-08-16 3860 * Ryo 2004-08-16
3797 */ 3861 */
3798 if (tmp->type == WAND || tmp->type == ROD || tmp->type == SCROLL 3862 if (tmp->type == WAND || tmp->type == ROD || tmp->type == SCROLL
3799 || tmp->type == HORN || tmp->type == FIREWALL || tmp->type == POTION || tmp->type == ALTAR || tmp->type == SPELLBOOK) 3863 || tmp->type == HORN || tmp->type == FIREWALL || tmp->type == POTION || tmp->type == ALTAR || tmp->type == SPELLBOOK)
3800 tmp->randomitems = NULL; 3864 tmp->randomitems = NULL;
3801
3802 } 3865 }
3803 3866
3804 if (QUERY_FLAG (tmp, FLAG_AUTO_APPLY)) 3867 if (QUERY_FLAG (tmp, FLAG_AUTO_APPLY))
3805 auto_apply (tmp); 3868 auto_apply (tmp);
3806 else if ((tmp->type == TREASURE || (tmp->type == CONTAINER)) && tmp->has_random_items ()) 3869 else if ((tmp->type == TREASURE || (tmp->type == CONTAINER)) && tmp->has_random_items ())
… …
3839 } 3902 }
3840 3903
3841 for (mapspace *ms = spaces + size (); ms-- > spaces; ) 3904 for (mapspace *ms = spaces + size (); ms-- > spaces; )
3842 for (object *tmp = ms->bot; tmp; tmp = tmp->above) 3905 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
3843 if (tmp->above && (tmp->type == TRIGGER_BUTTON || tmp->type == TRIGGER_PEDESTAL)) 3906 if (tmp->above && (tmp->type == TRIGGER_BUTTON || tmp->type == TRIGGER_PEDESTAL))
3844 check_trigger (tmp, tmp->above); 3907 check_trigger (tmp, tmp->above, tmp->above);
3845} 3908}
3846 3909
3847/** 3910/**
3848 * Handles player eating food that temporarily changes status (resistances, stats). 3911 * Handles player eating food that temporarily changes status (resistances, stats).
3849 * This used to call cast_change_attr(), but 3912 * This used to call cast_change_attr(), but
… …
3854eat_special_food (object *who, object *food) 3917eat_special_food (object *who, object *food)
3855{ 3918{
3856 object *force; 3919 object *force;
3857 int i, did_one = 0; 3920 int i, did_one = 0;
3858 3921
3859 force = get_archetype (FORCE_NAME); 3922 char buf[64];
3923 snprintf (buf, sizeof(buf), "sp_food_%s", &food->title);
3924 shstr key (buf);
3860 3925
3861 for (i = 0; i < NUM_STATS; i++)
3862 if (sint8 k = food->stats.stat (i))
3863 {
3864 force->stats.stat (i) = k;
3865 did_one = 1;
3866 }
3867
3868 /* check if we can protect the eater */
3869 for (i = 0; i < NROFATTACKS; i++)
3870 {
3871 if (food->resist[i] > 0)
3872 {
3873 force->resist[i] = food->resist[i] / 2;
3874 did_one = 1;
3875 }
3876 }
3877
3878 if (did_one)
3879 {
3880 force->set_speed (0.1);
3881 /* bigger morsel of food = longer effect time */ 3926 /* bigger morsel of food = longer effect time */
3882 force->duration = food->stats.food / 5; 3927 int duration = TIME2TICK (food->stats.food);
3883 SET_FLAG (force, FLAG_APPLIED); 3928
3884 change_abil (who, force); 3929 if (force = who->force_find (key))
3885 insert_ob_in_ob (force, who); 3930 {
3931 if (duration > fabs (force->speed_left / force->speed))
3932 {
3933 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));
3934 force->force_set_timer (duration);
3935 }
3936 else
3937 new_draw_info (NDI_UNIQUE, 0, who, "It had no additional effect.");
3938
3939 return;
3886 } 3940 }
3887 else 3941 else
3942 {
3943 force = who->force_add (key, duration);
3944 force->name = key;
3945
3946 /* check if the food affects a stat */
3947 for (i = 0; i < NUM_STATS; i++)
3948 if (sint8 k = food->stats.stat (i))
3949 {
3950 force->stats.stat (i) = k;
3951 did_one = 1;
3952 }
3953
3954 /* check if we can protect the eater */
3955 for (i = 0; i < NROFATTACKS; i++)
3956 {
3957 if (food->resist[i] > 0)
3958 {
3959 force->resist[i] = food->resist[i];
3960 did_one = 1;
3961 }
3962 }
3963
3964 if (did_one)
3965 {
3966 new_draw_info_format (NDI_UNIQUE, 0, who, "You are suffused with magical force. H<The effect will last for about %.10g seconds.>", TICK2TIME (duration));
3967
3968 /* make the force take effect and report effects to user */
3969 change_abil (who, force);
3970 }
3971 else
3888 force->destroy (); 3972 force->destroy ();
3973 }
3889 3974
3890 /* check for hp, sp change */ 3975 /* check for hp, sp change */
3891 if (food->stats.hp != 0) 3976 if (food->stats.hp != 0)
3892 { 3977 {
3893 if (QUERY_FLAG (food, FLAG_CURSED)) 3978 if (QUERY_FLAG (food, FLAG_CURSED))
… …
3923 /* place limit on max sp from food? */ 4008 /* place limit on max sp from food? */
3924 } 4009 }
3925 } 4010 }
3926 4011
3927 who->update_stats (); 4012 who->update_stats ();
3928}
3929
3930
3931/**
3932 * op made some mistake with a scroll, this takes care of punishment.
3933 * scroll_failure()- hacked directly from spell_failure
3934 */
3935void
3936scroll_failure (object *op, int failure, int power)
3937{
3938 if (abs (failure / 4) > power)
3939 power = abs (failure / 4); /* set minimum effect */
3940
3941 if (failure <= -1 && failure > -15)
3942 { /* wonder */
3943 object *tmp;
3944
3945 op->failmsg ("Your spell warps!");
3946 tmp = get_archetype (SPELL_WONDER);
3947 cast_wonder (op, op, 0, tmp);
3948 tmp->destroy ();
3949 }
3950 else if (failure <= -15 && failure > -35)
3951 { /* drain mana */
3952 op->failmsg ("Your mana is drained!");
3953 op->stats.sp -= random_roll (0, power - 1, op, PREFER_LOW);
3954 if (op->stats.sp < 0)
3955 op->stats.sp = 0;
3956 }
3957 else if (settings.spell_failure_effects == TRUE)
3958 {
3959 if (failure <= -35 && failure > -60)
3960 { /* confusion */
3961 op->failmsg ("The magic recoils on you!");
3962 confuse_player (op, op, power);
3963 }
3964 else if (failure <= -60 && failure > -70)
3965 { /* paralysis */
3966 op->failmsg ("The magic recoils and paralyzes you!");
3967 paralyze_player (op, op, power);
3968 }
3969 else if (failure <= -70 && failure > -80)
3970 { /* blind */
3971 op->failmsg ("The magic recoils on you!");
3972 blind_player (op, op, power);
3973 }
3974 else if (failure <= -80)
3975 { /* blast the immediate area */
3976 object *tmp = get_archetype (LOOSE_MANA);
3977 cast_magic_storm (op, tmp, power);
3978 op->failmsg ("You unleash uncontrolled mana!");
3979 tmp->destroy ();
3980 }
3981 }
3982} 4013}
3983 4014
3984void 4015void
3985apply_changes_to_player (object *pl, object *change) 4016apply_changes_to_player (object *pl, object *change)
3986{ 4017{
… …
4063 break; 4094 break;
4064 } 4095 }
4065 } 4096 }
4066} 4097}
4067 4098
4068/**
4069 * This handles items of type 'transformer'.
4070 * Basically those items, used with a marked item, transform both items into something
4071 * else.
4072 * "Transformer" item has food decreased by 1, removed if 0 (0 at start means illimited)..
4073 * Change information is contained in the 'slaying' field of the marked item.
4074 * The format is as follow: transformer:[number ]yield[;transformer:...].
4075 * This way an item can be transformed in many things, and/or many objects.
4076 * The 'slaying' field for transformer is used as verb for the action.
4077 */
4078void
4079apply_item_transformer (object *pl, object *transformer)
4080{
4081 object *marked;
4082 object *new_item;
4083 char *find;
4084 char *separator;
4085 int yield;
4086 char got[MAX_BUF];
4087 int len;
4088
4089 if (!pl || !transformer)
4090 return;
4091
4092 marked = find_marked_object (pl);
4093
4094 if (!marked)
4095 {
4096 pl->failmsg (format ("Use the %s with what item?", query_name (transformer)));
4097 return;
4098 }
4099
4100 if (!marked->slaying)
4101 {
4102 pl->failmsg (format ("You can't use the %s with your %s!", query_name (transformer), query_name (marked)));
4103 return;
4104 }
4105
4106 /* check whether they are compatible or not */
4107 find = strstr (&marked->slaying, transformer->arch->archname);
4108 if (!find || (*(find + strlen (transformer->arch->archname)) != ':'))
4109 {
4110 pl->failmsg (format ("You can't use the %s with your %s!", query_name (transformer), query_name (marked)));
4111 return;
4112 }
4113
4114 find += strlen (transformer->arch->archname) + 1;
4115 /* Item can be used, now find how many and what it yields */
4116 if (isdigit (*(find)))
4117 {
4118 yield = atoi (find);
4119 if (yield < 1)
4120 {
4121 LOG (llevDebug, "apply_item_transformer: item %s has slaying-yield %d.", query_base_name (marked, 0), yield);
4122 yield = 1;
4123 }
4124 }
4125 else
4126 yield = 1;
4127
4128 while (isdigit (*find))
4129 find++;
4130
4131 while (*find == ' ')
4132 find++;
4133
4134 memset (got, 0, MAX_BUF);
4135
4136 if ((separator = strchr (find, ';')) != NULL)
4137 len = separator - find;
4138 else
4139 len = strlen (find);
4140
4141 if (len > MAX_BUF - 1)
4142 len = MAX_BUF - 1;
4143
4144 strcpy (got, find);
4145 got[len] = '\0';
4146
4147 /* Now create new item, remove used ones when required. */
4148 new_item = get_archetype (got);
4149 if (!new_item)
4150 {
4151 pl->failmsg (format ("This %s is strange, better to not use it.", query_base_name (marked, 0)));
4152 return;
4153 }
4154
4155 new_item->nrof = yield;
4156
4157 pl->statusmsg (format ("You %s the %s.", &transformer->slaying, query_base_name (marked, 0)));
4158
4159 pl->insert (new_item);
4160 /* Eat up one item */
4161 marked->decrease ();
4162
4163 /* Eat one transformer if needed */
4164 if (transformer->stats.food)
4165 if (--transformer->stats.food == 0)
4166 transformer->decrease ();
4167}
4168

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