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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 1.250 by root, Tue Apr 6 23:36:49 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. */ 35// these must be in the inventory before they can be applied
35#include <sounds.h>
36 36
37/** 37static const struct apply_types_inv_only : typeset
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{ 38{
44 int arch_flag, name_flag, race_flag; 39 apply_types_inv_only ()
45
46 /* Get flags to determine what of arch, name, and race should be checked.
47 * This is stored in subtype, and is a bitmask, the LSB is the arch flag,
48 * the next is the name flag, and the last is the race flag. Also note,
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 { 40 {
58 arch_flag = op->subtype & 1; 41 set (WEAPON);
59 name_flag = op->subtype & 2; 42 set (ARMOUR);
60 race_flag = op->subtype & 4; 43 set (BOOTS);
44 set (GLOVES);
45 set (AMULET);
46 set (GIRDLE);
47 set (BRACERS);
48 set (SHIELD);
49 set (HELMET);
50 set (RING);
51 set (CLOAK);
52 set (WAND);
53 set (ROD);
54 set (HORN);
55 set (SKILL);
56 set (SPELL);
57 set (BOW);
58 set (RANGED);
59 set (BUILDER);
60 set (SKILL_TOOL);
61 } 61 }
62 else 62} apply_types_inv_only;
63
64// these only make sense for the player
65
66static const struct apply_types_player_only : typeset
67{
68 apply_types_player_only ()
63 { 69 {
64 arch_flag = 1; 70 set (EXIT);
65 name_flag = 1; 71 set (BOOK);
66 race_flag = 1; 72 set (SIGN);
73 set (BOOK);
74 set (SKILLSCROLL);
75 set (SPELLBOOK);
76 set (INSCRIBABLE);
77 set (TREASURE);
78 set (SAVEBED);
79 set (ARMOUR_IMPROVER);
80 set (WEAPON_IMPROVER);
81 set (CLOCK);
82 set (MENU);
83 set (LIGHTER); /* for lighting torches/lanterns/etc */
67 } 84 }
85} apply_types_player_only;
68 86
69 /* If the director has race set, only affect objects with a arch, 87// applying these _can_ be attempted, others cannot
70 * name or race that matches. 88// 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 89
78 /* If the director has slaying set, only affect objects where none 90static const struct apply_types : typeset
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{ 91{
97 dynbuf_text buf; 92 apply_types ()
98 93 : typeset ((typeset)apply_types_player_only | (typeset)apply_types_inv_only)
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 { 94 {
128 if (!QUERY_FLAG (id, FLAG_IDENTIFIED) && !id->invisible && need_identify (id)) 95 set (T_HANDLE);
129 { 96 set (TRIGGER);
130 if (operate_altar (altar, &money)) 97 set (SCROLL);
131 { 98 set (POTION);
132 identify (id); 99 set (CLOSE_CON);
133 100 set (CONTAINER);
134 buf.printf ("You have %s.\r", long_desc (id, pl)); 101 set (LAMP);
135 if (id->msg) 102 set (TORCH);
136 buf << "The item has a story:\r" << id->msg << "\n\n"; 103 set (DRINK);
137 104 set (FOOD);
138 /* If no more money, might as well quit now */ 105 set (FLESH);
139 if (!money || !check_altar_sacrifice (altar, money)) 106 set (POISON);
140 break; 107 set (POWER_CRYSTAL);
141 } 108 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 } 109 }
149 110} apply_types;
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}
395 111
396/**************************************************************************** 112/****************************************************************************
397 * Weapon improvement code follows 113 * Weapon improvement code follows
398 ****************************************************************************/ 114 ****************************************************************************/
115
116/**
117 * This function just checks whether who can handle equipping an item
118 * with item_power.
119 */
120static bool
121check_item_power (object *who, int item_power)
122{
123 if (who->type == PLAYER
124 && item_power
125 && item_power + who->contr->item_power > settings.item_power_factor * who->level)
126 return false;
127 else
128 return true;
129}
399 130
400/** 131/**
401 * This returns the sum of nrof of item (arch name). 132 * This returns the sum of nrof of item (arch name).
402 */ 133 */
403static int 134static int
… …
450 } 181 }
451 182
452 prev = op; 183 prev = op;
453 op = op->below; 184 op = op->below;
454 } 185 }
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} 186}
507 187
508/** 188/**
509 * Returns how many items of type improver->slaying there are under op. 189 * 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. 190 * Will display a message if none found, and 1 if improver->slaying is NULL.
… …
566 246
567/** 247/**
568 * This does the prepare weapon scroll. 248 * This does the prepare weapon scroll.
569 * Checks for sacrifice, and so on. 249 * Checks for sacrifice, and so on.
570 */ 250 */
571int 251static int
572prepare_weapon (object *op, object *improver, object *weapon) 252prepare_weapon (object *op, object *improver, object *weapon)
573{ 253{
574 int sacrifice_count, i; 254 int sacrifice_count, i;
575 char buf[MAX_BUF]; 255 char buf[MAX_BUF];
576 256
… …
629 * 309 *
630 * We are hiding extra information about the weapon in the level and 310 * 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 ?? 311 * last_eat numbers for an object. Hopefully this won't break anything ??
632 * level == max improve last_eat == current improve 312 * level == max improve last_eat == current improve
633 */ 313 */
634int 314static int
635improve_weapon (object *op, object *improver, object *weapon) 315improve_weapon (object *op, object *improver, object *weapon)
636{ 316{
637 int sacrifice_count, sacrifice_needed = 0; 317 int sacrifice_count, sacrifice_needed = 0;
638 318
639 if (improver->stats.sp == IMPROVE_PREPARE) 319 if (improver->stats.sp == IMPROVE_PREPARE)
640 return prepare_weapon (op, improver, weapon); 320 return prepare_weapon (op, improver, weapon);
641 321
642 if (weapon->level == 0) 322 if (weapon->level == 0)
643 { 323 {
644 op->failmsg ("This weapon has not been prepared. H<You first ahve to prepare a weapon with a prepare weapon scroll.>"); 324 op->failmsg (
325 "This weapon has not been prepared."
326 " H<You first have to prepare a weapon with a prepare weapon scroll.>");
645 return 0; 327 return 0;
646 } 328 }
647 329
648 if (weapon->level == weapon->last_eat && weapon->item_power >= 100) 330 if (weapon->last_eat >= weapon->level // improvements used up
331 || weapon->item_power >= 100) // or item_power >= arbitrary limit of 100
649 { 332 {
650 op->failmsg ("This weapon cannot be improved any more."); 333 op->failmsg ("This weapon cannot be improved any more.");
651 return 0; 334 return 0;
652 } 335 }
653 336
654 if (QUERY_FLAG (weapon, FLAG_APPLIED) && !check_weapon_power (op, weapon->last_eat + 1)) 337 if (QUERY_FLAG (weapon, FLAG_APPLIED)
338 && !check_item_power (op, weapon->item_power + 1))
655 { 339 {
656 op->failmsg ("Improving the weapon will make it too " 340 op->failmsg ("Improving the weapon will make it too "
657 "powerful for you to use. Unready it if you " 341 "powerful for you to use. Unready it if you "
658 "really want to improve it."); 342 "really want to improve it.");
659 return 0; 343 return 0;
… …
737/** 421/**
738 * Handles the applying of improve/prepare/enchant weapon scroll. 422 * Handles the applying of improve/prepare/enchant weapon scroll.
739 * Checks a few things (not on a non-magic square, marked weapon, ...), 423 * Checks a few things (not on a non-magic square, marked weapon, ...),
740 * then calls improve_weapon to do the dirty work. 424 * then calls improve_weapon to do the dirty work.
741 */ 425 */
742int 426static int
743check_improve_weapon (object *op, object *tmp) 427check_improve_weapon (object *op, object *tmp)
744{ 428{
745 object *otmp; 429 object *otmp;
746 430
747 if (op->type != PLAYER) 431 if (op->type != PLAYER)
… …
794 * the armour value of the piece of equipment exceed either 478 * the armour value of the piece of equipment exceed either
795 * the users level or 90) 479 * the users level or 90)
796 * Modified by MSW for partial resistance. Only support 480 * Modified by MSW for partial resistance. Only support
797 * changing of physical area right now. 481 * changing of physical area right now.
798 */ 482 */
799int 483static int
800improve_armour (object *op, object *improver, object *armour) 484improve_armour (object *op, object *improver, object *armour)
801{ 485{
802 object *tmp; 486 object *tmp;
803 487
804 if (armour->magic >= settings.armor_max_enchant) 488 if (armour->magic >= settings.armor_max_enchant)
… …
888 * Takes one type of items and makes another. 572 * Takes one type of items and makes another.
889 * converter is the object that is doing the conversion. 573 * converter is the object that is doing the conversion.
890 * item is the object that triggered the converter - if it is not 574 * item is the object that triggered the converter - if it is not
891 * what the converter wants, this will not do anything. 575 * what the converter wants, this will not do anything.
892 */ 576 */
893static int 577int
894convert_item (object *item, object *converter) 578convert_item (object *item, object *converter)
895{ 579{
896 sint64 nr, price_in; 580 sint64 nr = 0, price_in;
897 581
898 if (item->flag [FLAG_UNPAID]) 582 if (item->flag [FLAG_UNPAID])
899 return 0; 583 return 0;
900 584
901 shstr conv_from = converter->slaying; 585 shstr conv_from = converter->slaying;
902 archetype *conv_to = converter->other_arch; 586 archetype *conv_to = converter->other_arch;
903 sint64 need = converter->stats.food; 587 sint64 need = converter->stats.food;
904 sint64 give = converter->stats.sp; 588 sint64 give = converter->stats.sp;
905 589
… …
982 item->nrof *= nr; 666 item->nrof *= nr;
983 667
984 if (converter->flag [FLAG_PRECIOUS]) 668 if (converter->flag [FLAG_PRECIOUS])
985 SET_FLAG (item, FLAG_UNPAID); 669 SET_FLAG (item, FLAG_UNPAID);
986 670
987 if (is_in_shop (converter)) 671 if (converter->is_in_shop ())
988 { 672 {
989 // converters on shop floors don't work anymore, bug lets check for it 673 // converters on shop floors don't work anymore, bug lets check for it
990 // and report in case someone still does it. 674 // and report in case someone still does it.
991 LOG (llevDebug, "ITEMBUG: broken converter, converters on shop floor don't work: %s\n", 675 LOG (llevDebug, "ITEMBUG: broken converter, converters on shop floor don't work: %s\n",
992 converter->debug_desc ()); 676 converter->debug_desc ());
… …
1015 * Handle apply on containers. 699 * Handle apply on containers.
1016 * By Eneq(@csd.uu.se). 700 * By Eneq(@csd.uu.se).
1017 * Moved to own function and added many features [Tero.Haatanen@lut.fi] 701 * Moved to own function and added many features [Tero.Haatanen@lut.fi]
1018 * added the alchemical cauldron to the code -b.t. 702 * added the alchemical cauldron to the code -b.t.
1019 */ 703 */
1020int 704static int
1021apply_container (object *op, object *sack) 705apply_container (object *op, object *sack)
1022{ 706{
1023 if (op->type != PLAYER || !op->contr->ns) 707 if (op->type != PLAYER || !op->contr->ns)
1024 return 0; /* This might change */ 708 return 0; /* This might change */
1025 709
… …
1038 } 722 }
1039 723
1040 // already applied == open on ground, or open in inv, or active in inv 724 // already applied == open on ground, or open in inv, or active in inv
1041 if (sack->flag [FLAG_APPLIED]) 725 if (sack->flag [FLAG_APPLIED])
1042 { 726 {
1043 if (op->container == sack) 727 if (op->container_ () == sack)
1044 { 728 {
1045 // open on ground or inv, so close 729 // open on ground or inv, so close
1046 op->close_container (); 730 op->close_container ();
1047 return 1; 731 return 1;
1048 } 732 }
… …
1091{ 775{
1092 /* Only players can make sacrifices on spell casting altars. */ 776 /* Only players can make sacrifices on spell casting altars. */
1093 if (altar->inv && (!originator || originator->type != PLAYER)) 777 if (altar->inv && (!originator || originator->type != PLAYER))
1094 return 0; 778 return 0;
1095 779
1096 if (operate_altar (altar, &sacrifice)) 780 if (operate_altar (altar, &sacrifice, originator))
1097 { 781 {
1098 /* Simple check. Unfortunately, it means you can't cast magic bullet 782 /* Simple check. Unfortunately, it means you can't cast magic bullet
1099 * with an altar. We call it a Potion - altars are stationary - it 783 * with an altar. We call it a Potion - altars are stationary - it
1100 * is up to map designers to use them properly. 784 * is up to map designers to use them properly.
1101 */ 785 */
… …
1137 821
1138 SET_FLAG (op, FLAG_NO_APPLY); /* prevent loops */ 822 SET_FLAG (op, FLAG_NO_APPLY); /* prevent loops */
1139 823
1140 bool has_unpaid = false; 824 bool has_unpaid = false;
1141 825
1142 // quite inefficient to do this here twice, but the api doesn'T lend itself to 826 // quite inefficient to do this here twice, but the api doesn't lend itself to
1143 // a quick and small change :( 827 // a quick and small change :(
1144 for (object::depth_iterator item = op->begin (); item != op->end (); ++item) 828 for (object::depth_iterator item = op->begin (); item != op->end (); ++item)
1145 if (item->flag [FLAG_UNPAID]) 829 if (item->flag [FLAG_UNPAID])
1146 { 830 {
1147 has_unpaid = true; 831 has_unpaid = true;
… …
1195 /* this is only used for players */ 879 /* this is only used for players */
1196 rv = teleport (shop_mat, SHOP_MAT, op); 880 rv = teleport (shop_mat, SHOP_MAT, op);
1197 881
1198 if (has_unpaid) 882 if (has_unpaid)
1199 op->contr->play_sound (sound_find ("shop_buy")); 883 op->contr->play_sound (sound_find ("shop_buy"));
1200 else if (is_in_shop (op)) 884 else if (op->is_in_shop ())
1201 op->contr->play_sound (sound_find ("shop_enter")); 885 op->contr->play_sound (sound_find ("shop_enter"));
1202 else 886 else
1203 op->contr->play_sound (sound_find ("shop_leave")); 887 op->contr->play_sound (sound_find ("shop_leave"));
1204 888
1205 if (shop_mat->msg) 889 if (shop_mat->msg)
1206 op->statusmsg (shop_mat->msg); 890 op->statusmsg (shop_mat->msg);
1207 /* This check below is a bit simplistic - generally it should be correct, 891 /* 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 892 * but there is never a guarantee that the bottom space on the map is
1209 * actually the shop floor. 893 * actually the shop floor.
1210 */ 894 */
1211 else if (!rv && !is_in_shop (op)) 895 else if (!rv && !op->is_in_shop ())
1212 { 896 {
1213 opinion = shopkeeper_approval (op->map, op); 897 opinion = shopkeeper_approval (op->map, op);
1214 898
1215 op->statusmsg ( 899 op->statusmsg (
1216 opinion >= 0.90 ? "The shopkeeper gives you a friendly wave." 900 opinion >= 0.90 ? "The shopkeeper gives you a friendly wave."
… …
1335 EXIT_Y (trap) + freearr_y[dir], 1019 EXIT_Y (trap) + freearr_y[dir],
1336 0, victim); 1020 0, victim);
1337} 1021}
1338 1022
1339/** 1023/**
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. 1024 * Unapplies specified item.
2904 * No check done on cursed/damned. 1025 * No check done on cursed/damned.
2905 * Break this out of apply_special - this is just done 1026 * Break this out of apply_special - this is just done
2906 * to keep the size of apply_special to a more managable size. 1027 * to keep the size of apply_special to a more managable size.
2907 */ 1028 */
2908static int 1029static bool
2909unapply_special (object *who, object *op, int aflags) 1030unapply_special (object *who, object *op, int aflags)
2910{ 1031{
2911 if (INVOKE_OBJECT (BE_UNREADY, op, ARG_OBJECT (who), ARG_INT (aflags)) 1032 if (INVOKE_OBJECT (BE_UNREADY, op, ARG_OBJECT (who), ARG_INT (aflags))
2912 || INVOKE_OBJECT (UNREADY, who, ARG_OBJECT (op), ARG_INT (aflags))) 1033 || INVOKE_OBJECT (UNREADY, who, ARG_OBJECT (op), ARG_INT (aflags)))
2913 return RESULT_INT (0); 1034 return RESULT_INT (0);
2914 1035
2915 CLEAR_FLAG (op, FLAG_APPLIED); 1036 if (who->current_weapon == op)
1037 who->current_weapon = 0;
1038
1039 op->flag [FLAG_APPLIED] = false;
2916 1040
2917 switch (op->type) 1041 switch (op->type)
2918 { 1042 {
2919 case SKILL_TOOL: 1043 case SKILL:
1044 if (player *pl = who->contr)
1045 if (op->invisible)
1046 pl->statusmsg (format ("You can no longer use the %s skill.", &op->skill));
1047 else
1048 pl->statusmsg (format ("You stop using the %s.", query_name (op)));
1049
1050 change_abil (who, op);
1051 who->flag [FLAG_READY_SKILL] = false;
1052 break;
1053
1054 case WEAPON:
1055 who->statusmsg (format ("You unwield %s.", query_name (op)));
1056 change_abil (who, op);
1057 who->flag [FLAG_READY_WEAPON] = false;
1058
2920 // unapplying a skill tool should also unapply the skill it governs 1059 // 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 1060 // but this is hard, as it shouldn't do so when the skill can
2922 // be used for other reasons 1061 // be used for other reasons
2923 for (object *tmp = who->inv; tmp; tmp = tmp->below) 1062 if (who->chosen_skill)
2924 if (tmp->skill == op->skill 1063 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); 1064 unapply_special (who, op, 0);
2929 1065
2930 change_abil (who, op);
2931 break; 1066 break;
2932 1067
1068 case BOW:
2933 case WEAPON: 1069 case WAND:
1070 case ROD:
1071 case HORN:
1072 case RANGED:
2934 if (player *pl = who->contr) 1073 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 { 1074 {
2950 if (IS_COMBAT_SKILL (op->subtype)) 1075 who->statusmsg (format ("You unready %s.", query_name (op)));
2951 who->change_weapon (who->contr->combat_ob = 0); 1076 change_abil (who, op);
2952 else if (IS_RANGED_SKILL (op->subtype)) 1077 }
2953 who->change_weapon (who->contr->ranged_ob = 0); 1078 else
1079 {
1080 who->change_skill (0);
2954 1081
2955 if (op->invisible) 1082 if (op->type == BOW)
2956 who->statusmsg (format ("You can no longer use the skill: %s.", &op->skill)); 1083 op->flag [FLAG_READY_BOW ] = false;
2957 else 1084 else
2958 who->statusmsg (format ("You stop using the %s.", query_name (op))); 1085 op->flag [FLAG_READY_RANGE] = false;
2959 } 1086 }
2960 1087
2961 change_abil (who, op);
2962 CLEAR_FLAG (who, FLAG_READY_SKILL);
2963 break; 1088 break;
2964 1089
2965 case ARMOUR: 1090 case ARMOUR:
2966 case HELMET: 1091 case HELMET:
2967 case SHIELD: 1092 case SHIELD:
… …
2974 case CLOAK: 1099 case CLOAK:
2975 who->statusmsg (format ("You unwear %s.", query_name (op))); 1100 who->statusmsg (format ("You unwear %s.", query_name (op)));
2976 change_abil (who, op); 1101 change_abil (who, op);
2977 break; 1102 break;
2978 1103
1104 case SPELL:
2979 case BOW: 1105 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))); 1106 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; 1107 break;
3004 1108
3005 case BUILDER: 1109 //case SKILL_TOOL://TODO
3006 if (who->contr)
3007 who->statusmsg (format ("You unready %s.", query_name (op)));
3008 break;
3009
3010 default: 1110 default:
3011 who->statusmsg (format ("You unapply %s.", query_name (op))); 1111 who->statusmsg (format ("You unapply %s.", query_name (op)));
3012 break; 1112 break;
3013 } 1113 }
3014 1114
… …
3016 if (object *pl = op->visible_to ()) 1116 if (object *pl = op->visible_to ())
3017 esrv_send_item (pl, op); 1117 esrv_send_item (pl, op);
3018 1118
3019 who->update_stats (); 1119 who->update_stats ();
3020 1120
3021 return 0; 1121 return 1;
3022} 1122}
3023 1123
3024/** 1124/**
3025 * Returns the object that is using location 'loc'. 1125 * Returns the object that is using location 'loc'.
3026 * Note that 'start' is the first object to start examing - we 1126 * Note that 'start' is the first object to start examing - we
… …
3038static object * 1138static object *
3039get_next_item_from_body_location (int loc, object *start) 1139get_next_item_from_body_location (int loc, object *start)
3040{ 1140{
3041 for (object *tmp = start; tmp; tmp = tmp->below) 1141 for (object *tmp = start; tmp; tmp = tmp->below)
3042 if (tmp->flag [FLAG_APPLIED] 1142 if (tmp->flag [FLAG_APPLIED]
3043 && tmp->slot[loc].info 1143 && tmp->slot [loc].info
3044 && (!tmp->invisible || tmp->type == SKILL)) 1144 && (!tmp->invisible || tmp->type == SKILL || tmp->type == SPELL))
3045 return tmp; 1145 return tmp;
3046 1146
3047 return 0; 1147 return 0;
3048} 1148}
3049 1149
… …
3062#define CANNOT_REMOVE_CURSED \ 1162#define CANNOT_REMOVE_CURSED \
3063 "H<You cannot remove cursed or damned items, you first have to remove the curse. " \ 1163 "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, " \ 1164 "Praying over an altar, scrolls of remove curse/damnation, " \
3065 "priests or even other players might help.>" 1165 "priests or even other players might help.>"
3066 1166
3067int 1167static bool
3068unapply_for_ob (object *who, object *op, int aflags) 1168unapply_for_ob (object *who, object *op, int aflags)
3069{ 1169{
3070 if (op->is_range ()) 1170 if (op->is_range ())
3071 for (object *tmp = who->inv; tmp; tmp = tmp->below) 1171 for (object *tmp = who->inv; tmp; tmp = tmp->below)
3072 if (QUERY_FLAG (tmp, FLAG_APPLIED) && tmp->is_range ()) 1172 if (QUERY_FLAG (tmp, FLAG_APPLIED) && tmp->is_range ())
… …
3194 continue; 1294 continue;
3195 } 1295 }
3196 1296
3197 object *tmp1 = get_next_item_from_body_location (i, who->inv); 1297 object *tmp1 = get_next_item_from_body_location (i, who->inv);
3198 if (!tmp1) 1298 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; 1299 retval |= CAN_APPLY_NEVER;
3207 }
3208 else 1300 else
3209 { 1301 {
3210 /* need to unapply something. However, if this something 1302 /* need to unapply something. However, if this something
3211 * is different than we had found before, it means they need 1303 * is different than we had found before, it means they need
3212 * to apply multiple objects 1304 * to apply multiple objects
… …
3292 */ 1384 */
3293 1385
3294#define LACK_ITEM_POWER \ 1386#define LACK_ITEM_POWER \
3295 " H<You lack enough unused item power to use this weapon, see the skills command.>" 1387 " H<You lack enough unused item power to use this weapon, see the skills command.>"
3296 1388
3297int 1389static bool
3298apply_special (object *who, object *op, int aflags) 1390apply_special (object *who, object *op, int aflags)
3299{ 1391{
3300 int basic_flag = aflags & AP_BASIC_FLAGS; 1392 int basic_flag = aflags & AP_MODE;
3301 object *tmp, *tmp2, *skop = NULL; 1393 object *tmp, *tmp2, *skop = NULL;
3302 1394
3303 if (who == NULL) 1395 if (who == NULL)
3304 { 1396 {
3305 LOG (llevError, "apply_special() from object without environment.\n"); 1397 LOG (llevError, "apply_special() from object without environment.\n");
3306 return 1; 1398 return 1;
3307 } 1399 }
3308 1400
1401 //TODO: remove these when apply_special is no longer exposed
3309 if (op->env != who) 1402 if (op->env != who)
3310 return 1; /* op is not in inventory */ 1403 return 1; /* op is not in inventory */
3311 1404
3312 /* trying to unequip op */ 1405 /* trying to unequip op */
3313 if (QUERY_FLAG (op, FLAG_APPLIED)) 1406 if (QUERY_FLAG (op, FLAG_APPLIED))
… …
3324 1417
3325 return unapply_special (who, op, aflags); 1418 return unapply_special (who, op, aflags);
3326 } 1419 }
3327 else if (basic_flag == AP_UNAPPLY) 1420 else if (basic_flag == AP_UNAPPLY)
3328 return 0; 1421 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 1422
3339 splay (op); 1423 splay (op);
3340 1424
3341 /* Can't just apply this object. Lets see what not and what to do */ 1425 /* Can't just apply this object. Lets see what not and what to do */
3342 if (int i = can_apply_object (who, op)) 1426 if (int i = can_apply_object (who, op))
… …
3376 } 1460 }
3377 } 1461 }
3378 1462
3379 if (op->skill && op->type != SKILL && op->type != SKILL_TOOL) 1463 if (op->skill && op->type != SKILL && op->type != SKILL_TOOL)
3380 { 1464 {
1465 // try to ready attached skill first
3381 skop = find_skill_by_name (who, op->skill); 1466 skop = find_skill_by_name (who, op->skill);
3382 1467
3383 if (!skop) 1468 if (!skop)
3384 { 1469 {
3385 who->failmsg (format ("You need the %s skill to use this item!", &op->skill)); 1470 who->failmsg (format ("You need the %s skill to use this item!", &op->skill));
3386 return 1; 1471 return 1;
3387 } 1472 }
3388 else 1473 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 */ 1474 {
3392 who->change_skill (skop); 1475 who->failmsg (format ("You can't use the required %s skill!", &op->skill));
1476 return 1;
1477 }
3393 } 1478 }
3394 1479
3395 if (who->type == PLAYER 1480 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 { 1481 {
3399 who->failmsg ("Equipping that combined with other items would consume your soul!" LACK_ITEM_POWER); 1482 who->failmsg ("Equipping that combined with other items would consume your soul!" LACK_ITEM_POWER);
3400 return 1; 1483 return 1;
3401 } 1484 }
3402 1485
3403 /* Ok. We are now at the state where we can apply the new object. 1486 /* 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_... 1487 * Note that we don't have the checks for can_use_...
3405 * below - that is already taken care of by can_apply_object. 1488 * below - that is already taken care of by can_apply_object.
3406 */ 1489 */
1490
1491 // 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; 1492 tmp = op->nrof > 1 ? op->split (op->nrof - 1) : 0;
3408 1493
3409 if (INVOKE_OBJECT (BE_READY, op, ARG_OBJECT (who)) || INVOKE_OBJECT (READY, who, ARG_OBJECT (op))) 1494 if (INVOKE_OBJECT (BE_READY, op, ARG_OBJECT (who)) || INVOKE_OBJECT (READY, who, ARG_OBJECT (op)))
3410 return RESULT_INT (0); 1495 return RESULT_INT (0);
3411 1496
3412 switch (op->type) 1497 switch (op->type)
3413 { 1498 {
3414 case WEAPON: 1499 case WEAPON:
3415 if (!check_weapon_power (who, op->last_eat)) 1500 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 { 1501 {
3429 /* if the weapon does not have the name as the character, can't use it. */ 1502 /* 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) */ 1503 /* (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.>"); 1504 who->failmsg ("The weapon does not recognize you as its owner. "
3432 1505 "H<Its name indicates that it belongs to somebody else.>");
3433 if (tmp) 1506 if (tmp) who->insert (tmp);
3434 insert_ob_in_ob (tmp, who);
3435
3436 return 1; 1507 return 1;
3437 } 1508 }
3438 1509
3439 if (!skop) 1510 op->flag [FLAG_APPLIED] = true;
1511
1512 if (player *pl = who->contr)
3440 { 1513 {
3441 who->failmsg (format ("The %s is broken, please report this to the dungeon master!", query_name (op)));//TODO 1514 who->statusmsg (format ("You wield %s.", query_name (op)));
3442 return 1; 1515 change_abil (who, op);
3443 } 1516 }
3444 1517 else
3445 SET_FLAG (op, FLAG_APPLIED);
3446 who->change_skill (skop); 1518 who->change_skill (skop);
3447 1519
3448 if (who->contr) 1520 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; 1521 break;
3456 1522
3457 case ARMOUR: 1523 case ARMOUR:
3458 case HELMET: 1524 case HELMET:
3459 case SHIELD: 1525 case SHIELD:
… …
3468 who->statusmsg (format ("You wear %s.", query_name (op))); 1534 who->statusmsg (format ("You wear %s.", query_name (op)));
3469 change_abil (who, op); 1535 change_abil (who, op);
3470 break; 1536 break;
3471 1537
3472 case SKILL_TOOL: 1538 case SKILL_TOOL:
3473 // applying a skill tool also readies the skill 1539 // applying a skill tool does not ready the skill
1540 // if something needs the skill, it has to ready it itself
1541 //TODO: unapplying should unapply the skill, though
3474 SET_FLAG (op, FLAG_APPLIED); 1542 SET_FLAG (op, FLAG_APPLIED);
1543 break;
3475 1544
1545 case SKILL:
3476 if (!(aflags & AP_NO_READY)) 1546 if (!(aflags & AP_NO_SLOT))
3477 { 1547 {
3478 skop = find_skill_by_name (who, op->skill); 1548 // 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 1549
3484 case SKILL: 1550 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 { 1551 {
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 ( 1552 who->failmsg (format (
3502 "You need to apply a '%s' melee weapon before readying this skill. " 1553 "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.>", 1554 "H<The %s skill needs something else to function, for example a tool, weapon, rod, or spell. "
3504 &op->skill 1555 "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 1556 &op->skill
3544 )); 1557 ));
1558 if (tmp) who->insert (tmp);
1559 return 1;
3545 } 1560 }
1561
1562 if (skill_flags [op->subtype] & SF_AUTARK
1563 || !(skill_flags [op->subtype] & (SF_COMBAT | SF_RANGED)))
1564 {
1565 if (skill_flags [op->subtype] & SF_USE)
1566 who->failmsg (format (
1567 "You feel as if you wanted to do something funny, but you can't remember what. "
1568 "H<The %s skill cannot be readied, instead, try C<use_skill %s>.>",
1569 &op->skill, &op->skill
1570 ));
1571 else
1572 who->failmsg (format (
1573 "You feel as if you wanted to do something funny, but you can't remember what. "
1574 "H<The %s skill cannot be readied or used, it is always active.>",
1575 &op->skill
1576 ));
1577
1578 if (tmp) who->insert (tmp);
1579
1580 return 1;
1581 }
1582
1583 if (who->contr)
1584 if (op->invisible)
1585 who->statusmsg (format ("You can now use the %s skill.", &op->skill));
3546 else 1586 else
3547 who->statusmsg (format ("Readied skill: %s.", op->skill ? &op->skill : &op->name)); 1587 who->statusmsg (format ("You ready %s.", query_name (op)));
3548 } 1588 }
3549 else 1589
3550 {
3551 SET_FLAG (op, FLAG_APPLIED);
3552 change_abil (who, op);
3553 who->chosen_skill = op;
3554 SET_FLAG (who, FLAG_READY_SKILL); 1590 SET_FLAG (who, FLAG_READY_SKILL);
3555 } 1591 SET_FLAG (op, FLAG_APPLIED);
3556 1592 change_abil (who, op);
3557 break; 1593 break;
3558 1594
3559 case BOW: 1595 case BOW:
3560 if (!check_weapon_power (who, op->last_eat)) 1596 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 { 1597 {
3572 who->failmsg ("The weapon does not recognize you as its owner. " 1598 who->failmsg ("The weapon does not recognize you as its owner. "
3573 "H<Its name indicates that it belongs to somebody else.>"); 1599 "H<Its name indicates that it belongs to somebody else.>");
3574 if (tmp) 1600 if (tmp) who->insert (tmp);
3575 insert_ob_in_ob (tmp, who);
3576
3577 return 1; 1601 return 1;
3578 } 1602 }
1603
1604 if (player *pl = who->contr)
1605 {
1606 op->flag [FLAG_APPLIED] = true;
1607 who->statusmsg (format ("You wield the %s.", query_name (op)));
1608 change_abil (who, op);
1609 }
1610 break;
1611
1612 case RANGED:
1613 if (player *pl = who->contr)
1614 {
1615 op->flag [FLAG_APPLIED] = true;
1616 who->statusmsg (format ("You applied the %s.", query_name (op)));
1617 }
1618 break;
1619
1620 case SPELL:
1621 if (player *pl = who->contr)
1622 {
1623 op->flag [FLAG_APPLIED] = true;
1624 who->statusmsg (format ("You ready the spell %s.", query_name (op)));
1625 }
1626 break;
3579 1627
3580 /*FALLTHROUGH*/ 1628 /*FALLTHROUGH*/
3581 case WAND: 1629 case WAND:
3582 case ROD: 1630 case ROD:
3583 case HORN: 1631 case HORN:
3584 /* check for skill, alter player status */ 1632 /* check for skill, alter player status */
3585 1633
3586 if (!skop) 1634 if (!skop)
3587 { 1635 {
3588 who->failmsg (format ("The %s is broken, please report this to the dungeon master!", query_name (op)));//TODO 1636 who->failmsg (format ("The %s is broken, please report this to the dungeon master!", query_name (op)));//TODO
1637 if (tmp) who->insert (tmp);
3589 return 1; 1638 return 1;
3590 } 1639 }
3591 1640
3592 SET_FLAG (op, FLAG_APPLIED); 1641 op->flag [FLAG_APPLIED] = true;
3593 who->change_skill (skop);
3594 1642
3595 if (who->contr) 1643 if (player *pl = who->contr)
3596 { 1644 {
3597 who->contr->ranged_ob = op;
3598
3599 who->statusmsg (format ("You ready %s.", query_name (op))); 1645 who->statusmsg (format ("You ready %s.", query_name (op)));
3600 1646
3601 if (op->type == BOW) 1647 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))); 1648 who->statusmsg (format ("You will now fire %s with %s.", op->race ? &op->race : "nothing", query_name (op)));
3606 } 1649
1650 change_abil (who, op);
3607 } 1651 }
3608 else 1652 else
3609 { 1653 {
1654 who->change_skill (skop);
1655
3610 if (op->type == BOW) 1656 if (op->type == BOW)
3611 SET_FLAG (who, FLAG_READY_BOW); 1657 op->flag [FLAG_READY_BOW ] = true;
3612 else 1658 else
3613 SET_FLAG (who, FLAG_READY_RANGE); 1659 op->flag [FLAG_READY_RANGE] = true;
3614 } 1660 }
3615 1661
3616 break; 1662 break;
3617 1663
3618 case BUILDER: 1664 case BUILDER:
3619 if (who->type == PLAYER) 1665 if (player *pl = who->contr)
3620 { 1666 {
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))); 1667 who->statusmsg (format ("You ready your %s.", query_name (op)));
3626 1668 //TODO: change_abil?
3627 who->contr->ranged_ob = op;
3628 } 1669 }
3629 break; 1670 break;
3630 1671
3631 default: 1672 default:
3632 who->statusmsg (format ("You apply %s.", query_name (op))); 1673 who->statusmsg (format ("You apply %s.", query_name (op)));
3633 } 1674 }
3634 1675
3635 SET_FLAG (op, FLAG_APPLIED); 1676 SET_FLAG (op, FLAG_APPLIED);
3636 1677
3637 if (tmp)
3638 who->insert (tmp); 1678 if (tmp) who->insert (tmp);
3639 1679
3640 who->update_stats (); 1680 who->update_stats ();
3641 1681
3642 /* We exclude spell casting objects. The fire code will set the 1682 /* We exclude spell casting objects. The fire code will set the
3643 * been applied flag when they are used - until that point, 1683 * been applied flag when they are used - until that point,
… …
3660 esrv_send_item (pl, op); 1700 esrv_send_item (pl, op);
3661 1701
3662 return 0; 1702 return 0;
3663} 1703}
3664 1704
1705/**
1706 * Check if op should abort moving victim because of it's race or slaying.
1707 * Returns 1 if it should abort, returns 0 if it should continue.
1708 */
3665int 1709int
3666monster_apply_special (object *who, object *op, int aflags) 1710should_director_abort (object *op, object *victim)
3667{ 1711{
3668 if (QUERY_FLAG (op, FLAG_UNPAID) && !QUERY_FLAG (op, FLAG_APPLIED)) 1712 int arch_flag, name_flag, race_flag;
1713
1714 /* Get flags to determine what of arch, name, and race should be checked.
1715 * This is stored in subtype, and is a bitmask, the LSB is the arch flag,
1716 * the next is the name flag, and the last is the race flag. Also note,
1717 * if subtype is set to zero, that also goes to defaults of all affecting
1718 * it. Examples:
1719 * subtype 1: only arch
1720 * subtype 3: arch or name
1721 * subtype 5: arch or race
1722 * subtype 7: all three
1723 */
1724 if (op->subtype)
1725 {
1726 arch_flag = op->subtype & 1;
1727 name_flag = op->subtype & 2;
1728 race_flag = op->subtype & 4;
1729 }
1730 else
1731 {
1732 arch_flag = 1;
1733 name_flag = 1;
1734 race_flag = 1;
1735 }
1736
1737 /* If the director has race set, only affect objects with a arch,
1738 * name or race that matches.
1739 */
1740 if ((op->race) &&
1741 ((!(victim->arch && arch_flag && victim->arch->archname) || op->race != victim->arch->archname)) &&
1742 ((!(victim->name && name_flag) || op->race != victim->name)) &&
1743 ((!(victim->race && race_flag) || op->race != victim->race)))
3669 return 1; 1744 return 1;
3670 1745
1746 /* If the director has slaying set, only affect objects where none
1747 * of arch, name, or race match.
1748 */
1749 if ((op->slaying) && (((victim->arch && arch_flag && victim->arch->archname && op->slaying == victim->arch->archname))) ||
1750 ((victim->name && name_flag && op->slaying == victim->name)) ||
1751 ((victim->race && race_flag && op->slaying == victim->race)))
1752 return 1;
1753
1754 return 0;
1755}
1756
1757/**
1758 * This handles a player dropping money on an altar to identify stuff.
1759 * It'll identify marked item, if none all items up to dropped money.
1760 * Return value: 1 if money was destroyed, 0 if not.
1761 */
1762static int
1763apply_id_altar (object *money, object *altar, object *pl)
1764{
1765 dynbuf_text &buf = msg_dynbuf; buf.clear ();
1766
1767 if (!pl || pl->type != PLAYER)
1768 return 0;
1769
1770 /* Check for MONEY type is a special hack - it prevents 'nothing needs
1771 * identifying' from being printed out more than it needs to be.
1772 */
1773 if (!check_altar_sacrifice (altar, money, pl) || money->type != MONEY)
1774 return 0;
1775
1776 /* if the player has a marked item, identify that if it needs to be
1777 * identified. If it doesn't, then go through the player inventory.
1778 */
1779 if (object *marked = find_marked_object (pl))
1780 if (!QUERY_FLAG (marked, FLAG_IDENTIFIED) && need_identify (marked))
1781 {
1782 if (operate_altar (altar, &money, pl))
1783 {
1784 identify (marked);
1785
1786 buf.printf ("You have %s.\r", long_desc (marked, pl));
1787 if (marked->msg)
1788 buf << "The item has a story:\r" << marked->msg << "\n\n";
1789
1790 return !money;
1791 }
1792 }
1793
1794 for (object *id = pl->inv; id; id = id->below)
1795 {
1796 if (!QUERY_FLAG (id, FLAG_IDENTIFIED) && !id->invisible && need_identify (id))
1797 {
1798 if (operate_altar (altar, &money, pl))
1799 {
1800 identify (id);
1801
1802 buf.printf ("You have %s.\r", long_desc (id, pl));
1803 if (id->msg)
1804 buf << "The item has a story:\r" << id->msg << "\n\n";
1805
1806 /* If no more money, might as well quit now */
1807 if (!money || !check_altar_sacrifice (altar, money))
1808 break;
1809 }
1810 else
1811 {
1812 LOG (llevError, "check_id_altar: Couldn't do sacrifice when we should have been able to\n");
1813 break;
1814 }
1815 }
1816 }
1817
1818 if (buf.empty ())
1819 pl->failmsg ("You have nothing that needs identifying");
1820 else
1821 pl->contr->infobox (MSG_CHANNEL ("identify"), buf);
1822
1823 return !money;
1824}
1825
1826/**
1827 * This checks whether the object has a "on_use_yield" field, and if so generated and drops
1828 * matching item.
1829 **/
1830void
1831handle_apply_yield (object *tmp)
1832{
1833 if (shstr_tmp yield = tmp->kv (shstr_on_use_yield))
1834 archetype::get (yield)->insert_at (tmp, tmp, INS_BELOW_ORIGINATOR);
1835}
1836
1837/**
1838 * Handles applying a potion.
1839 */
1840int
1841apply_potion (object *op, object *tmp)
1842{
1843 int got_one = 0, i;
1844 object *force = 0;
1845
1846 object *floor = GET_MAP_OB (op->map, op->x, op->y);
1847
1848 if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_SAFE)
1849 {
1850 op->failmsg ("Gods prevent you from using this here, it's sacred ground!");
1851
1852 CLEAR_FLAG (tmp, FLAG_APPLIED);
1853 return 0;
1854 }
1855
1856 if (op->type == PLAYER)
1857 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
1858 identify (tmp);
1859
1860 handle_apply_yield (tmp);
1861
1862 /* Potion of restoration - only for players */
1863 if (op->type == PLAYER && (tmp->attacktype & AT_DEPLETE))
1864 {
1865 object *depl;
1866 archetype *at;
1867
1868 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
1869 {
1870 op->drain_stat ();
1871 op->update_stats ();
1872 tmp->decrease ();
1873 return 1;
1874 }
1875
1876 if (!(at = archetype::find (shstr_depletion)))
1877 {
1878 LOG (llevError, "Could not find archetype depletion\n");
1879 return 0;
1880 }
1881
1882 depl = present_arch_in_ob (at, op);
1883
1884 if (depl)
1885 {
1886 for (i = 0; i < NUM_STATS; i++)
1887 if (depl->stats.stat (i))
1888 op->statusmsg (restore_msg[i]);
1889
1890 depl->destroy ();
1891 op->update_stats ();
1892 }
1893 else
1894 op->statusmsg ("Your potion had no effect.");
1895
1896 tmp->decrease ();
1897 return 1;
1898 }
1899
1900 /* improvement potion - only for players */
1901 if (op->type == PLAYER && (tmp->attacktype & AT_GODPOWER))
1902 {
1903 for (i = 1; i < min (11, op->level); i++)
1904 {
1905 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
1906 {
1907 if (op->contr->levhp[i] != 1)
1908 {
1909 op->contr->levhp[i] = 1;
1910 break;
1911 }
1912
1913 if (op->contr->levsp[i] != 1)
1914 {
1915 op->contr->levsp[i] = 1;
1916 break;
1917 }
1918
1919 if (op->contr->levgrace[i] != 1)
1920 {
1921 op->contr->levgrace[i] = 1;
1922 break;
1923 }
1924 }
1925 else
1926 {
1927 if (op->contr->levhp[i] < 9)
1928 {
1929 op->contr->levhp[i] = 9;
1930 break;
1931 }
1932
1933 if (op->contr->levsp[i] < 6)
1934 {
1935 op->contr->levsp[i] = 6;
1936 break;
1937 }
1938
1939 if (op->contr->levgrace[i] < 3)
1940 {
1941 op->contr->levgrace[i] = 3;
1942 break;
1943 }
1944 }
1945 }
1946
1947 /* Just makes checking easier */
1948 if (i < min (11, op->level))
1949 got_one = 1;
1950
1951 if (!QUERY_FLAG (tmp, FLAG_CURSED) && !QUERY_FLAG (tmp, FLAG_DAMNED))
1952 {
1953 if (got_one)
1954 {
1955 op->update_stats ();
1956 op->statusmsg ("The Gods smile upon you and remake you "
1957 "a little more in their image. "
1958 "You feel a little more perfect.", NDI_GREEN);
1959 }
1960 else
1961 op->statusmsg ("The potion had no effect - you are already perfect.");
1962 }
1963 else
1964 { /* cursed potion */
1965 if (got_one)
1966 {
1967 op->update_stats ();
1968 op->failmsg ("The Gods are angry and punish you.");
1969 }
1970 else
1971 op->statusmsg ("You are fortunate that you are so pathetic.", NDI_DK_ORANGE);
1972 }
1973
1974 tmp->decrease ();
1975 return 1;
1976 }
1977
1978
1979 /* A potion that casts a spell. Healing, restore spellpoint (power potion)
1980 * and heroism all fit into this category. Given the spell object code,
1981 * there is no limit to the number of spells that potions can be cast,
1982 * but direction is problematic to try and imbue fireball potions for example.
1983 */
1984 if (tmp->inv)
1985 {
1986 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
1987 {
1988 op->failmsg ("Yech! Your lungs are on fire!");
1989 create_exploding_ball_at (op, op->level);
1990 }
1991 else
1992 cast_spell (op, tmp, op->facing, tmp->inv, NULL);
1993
1994 tmp->decrease ();
1995
1996 /* if youre dead, no point in doing this... */
1997 if (!QUERY_FLAG (op, FLAG_REMOVED))
1998 op->update_stats ();
1999
2000 return 1;
2001 }
2002
2003 /* Deal with protection potions */
2004 force = NULL;
2005 for (i = 0; i < NROFATTACKS; i++)
2006 {
2007 if (tmp->resist[i])
2008 {
2009 if (!force)
2010 force = get_archetype (FORCE_NAME);
2011
2012 memcpy (force->resist, tmp->resist, sizeof (tmp->resist));
2013 force->type = POTION_EFFECT;
2014 break; /* Only need to find one protection since we copy entire batch */
2015 }
2016 }
2017
2018 /* This is a protection potion */
2019 if (force)
2020 {
2021 /* cursed items last longer */
2022 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
2023 {
2024 force->stats.food *= 10;
2025 for (i = 0; i < NROFATTACKS; i++)
2026 if (force->resist[i] > 0)
2027 force->resist[i] = -force->resist[i]; /* prot => vuln */
2028 }
2029
2030 force->speed_left = -1;
2031 force = insert_ob_in_ob (force, op);
2032 CLEAR_FLAG (tmp, FLAG_APPLIED);
2033 SET_FLAG (force, FLAG_APPLIED);
2034 change_abil (op, force);
2035 tmp->decrease ();
2036 return 1;
2037 }
2038
2039 /* Only thing left are the stat potions */
2040 if (op->type == PLAYER)
2041 { /* only for players */
2042 if ((QUERY_FLAG (tmp, FLAG_CURSED)
2043 || QUERY_FLAG (tmp, FLAG_DAMNED))
2044 && tmp->value != 0)
2045 CLEAR_FLAG (tmp, FLAG_APPLIED);
2046 else
2047 SET_FLAG (tmp, FLAG_APPLIED);
2048
2049 if (!change_abil (op, tmp))
2050 op->statusmsg ("Nothing happened.");
2051 }
2052
2053 /* CLEAR_FLAG is so that if the character has other potions
2054 * that were grouped with the one consumed, his
2055 * stat will not be raised by them. fix_player just clears
2056 * up all the stats.
2057 */
2058 CLEAR_FLAG (tmp, FLAG_APPLIED);
2059 op->update_stats ();
2060 tmp->decrease ();
2061 return 1;
2062}
2063
2064/**
2065 * 'victim' moves onto 'trap'
2066 * 'victim' leaves 'trap'
2067 * effect is determined by move_on/move_off of trap and move_type of victime.
2068 *
2069 * originator: Player, monster or other object that caused 'victim' to move
2070 * onto 'trap'. Will receive messages caused by this action. May be NULL.
2071 * However, some types of traps require an originator to function.
2072 */
2073void
2074move_apply (object *trap, object *victim, object *originator)
2075{
2076 static int recursion_depth = 0;
2077
2078 /* Only exits affect DMs. */
2079 if (QUERY_FLAG (victim, FLAG_WIZPASS) && trap->type != EXIT && trap->type != SIGN)
2080 return;
2081
2082 /* move_apply() is the most likely candidate for causing unwanted and
2083 * possibly unlimited recursion.
2084 */
2085 /* The following was changed because it was causing perfectly correct
2086 * maps to fail. 1) it's not an error to recurse:
2087 * rune detonates, summoning monster. monster lands on nearby rune.
2088 * nearby rune detonates. This sort of recursion is expected and
2089 * proper. This code was causing needless crashes.
2090 */
2091 if (recursion_depth >= 500)
2092 {
2093 LOG (llevDebug, "WARNING: move_apply(): aborting recursion "
2094 "[trap arch %s, name %s; victim arch %s, name %s]\n", &trap->arch->archname, &trap->name, &victim->arch->archname, &victim->name);
2095 return;
2096 }
2097
2098 recursion_depth++;
2099 if (trap->head)
2100 trap = trap->head;
2101
2102 if (!INVOKE_OBJECT (MOVE_TRIGGER, trap, ARG_OBJECT (victim), ARG_OBJECT (originator)))
2103 switch (trap->type)
2104 {
2105 case PLAYERMOVER:
2106 if (trap->attacktype && (trap->level || victim->type != PLAYER) && !should_director_abort (trap, victim))
2107 {
2108 if (!trap->stats.maxsp)
2109 trap->stats.maxsp = 2;
2110
2111 /* Is this correct? From the docs, it doesn't look like it
2112 * should be divided by trap->speed
2113 */
2114 victim->speed_left = -trap->stats.maxsp * victim->speed / trap->speed;
2115
2116 /* Just put in some sanity check. I think there is a bug in the
2117 * above with some objects have zero speed, and thus the player
2118 * getting permanently paralyzed.
2119 */
2120 if (victim->speed_left < -50.f)
2121 victim->speed_left = -50.f;
2122 /* LOG(llevDebug, "apply, playermove, player speed_left=%f\n", victim->speed_left); */
2123 }
2124 break;
2125
2126 case SPINNER:
2127 if (victim->direction)
2128 {
2129 victim->direction = absdir (victim->direction - trap->stats.sp);
2130 update_turn_face (victim);
2131 }
2132 break;
2133
2134 case DIRECTOR:
2135 if (victim->direction && !should_director_abort (trap, victim))
2136 {
2137 victim->direction = trap->stats.sp;
2138 update_turn_face (victim);
2139 }
2140 break;
2141
2142 case BUTTON:
2143 case PEDESTAL:
2144 case T_MATCH:
2145 update_button (trap, originator);
2146 break;
2147
2148 case ALTAR:
2149 /* sacrifice victim on trap */
2150 apply_altar (trap, victim, originator);
2151 break;
2152
2153 case THROWN_OBJ:
2154 if (trap->inv == NULL)
2155 break;
2156 /* fallthrough */
2157
2158 case ARROW:
2159 /* bad bug: monster throw a object, make a step forwards, step on object ,
2160 * trigger this here and get hit by own missile - and will be own enemy.
2161 * Victim then is his own enemy and will start to kill herself (this is
2162 * removed) but we have not synced victim and his missile. To avoid senseless
2163 * action, we avoid hits here
2164 */
2165 if ((QUERY_FLAG (victim, FLAG_ALIVE) && trap->has_active_speed ())
2166 && trap->owner != victim)
2167 hit_with_arrow (trap, victim);
2168 break;
2169
2170 case SPELL_EFFECT:
2171 apply_spell_effect (trap, victim);
2172 break;
2173
2174 case TRAPDOOR:
2175 {
2176 int max, sound_was_played;
2177 object *ab, *ab_next;
2178
2179 if (!trap->value)
2180 {
2181 int tot;
2182
2183 for (ab = trap->above, tot = 0; ab; ab = ab->above)
2184 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
2185 tot += ab->head_ ()->total_weight ();
2186
2187 if (!(trap->value = (tot > trap->weight) ? 1 : 0))
2188 break;
2189
2190 SET_ANIMATION (trap, trap->value);
2191 update_object (trap, UP_OBJ_FACE);
2192 }
2193
2194 for (ab = trap->above, max = 100, sound_was_played = 0; --max && ab; ab = ab_next)
2195 {
2196 /* need to set this up, since if we do transfer the object,
2197 * ab->above would be bogus
2198 */
2199 ab_next = ab->above;
2200
2201 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
2202 {
2203 if (!sound_was_played)
2204 {
2205 trap->play_sound (trap->sound ? trap->sound : sound_find ("fall_hole"));
2206 sound_was_played = 1;
2207 }
2208
2209 ab->statusmsg ("You fall into a trapdoor!", NDI_RED);
2210 transfer_ob (ab, EXIT_X (trap), EXIT_Y (trap), 0, ab);
2211 }
2212 }
2213 break;
2214 }
2215
2216 case CONVERTER:
2217 if (convert_item (victim, trap) < 0)
2218 {
2219 originator->failmsg (format ("The %s seems to be broken!", query_name (trap)));
2220 archetype::get (shstr_burnout)->insert_at (trap, trap);
2221 }
2222
2223 break;
2224
2225 case TRIGGER_BUTTON:
2226 case TRIGGER_PEDESTAL:
2227 case TRIGGER_ALTAR:
2228 check_trigger (trap, victim, originator);
2229 break;
2230
2231 case DEEP_SWAMP:
2232 walk_on_deep_swamp (trap, victim);
2233 break;
2234
2235 case CHECK_INV:
2236 check_inv (victim, trap);
2237 break;
2238
2239 case HOLE:
2240 move_apply_hole (trap, victim);
2241 break;
2242
2243 case EXIT:
2244 if (victim->type == PLAYER && EXIT_PATH (trap))
2245 {
2246 /* Basically, don't show exits leading to random maps the
2247 * players output.
2248 */
2249 if (trap->msg && EXIT_PATH (trap) != shstr_random_map_exit)
2250 victim->statusmsg (trap->msg, NDI_NAVY);
2251
2252 trap->play_sound (trap->sound);
2253 victim->enter_exit (trap);
2254 }
2255 break;
2256
2257 case ENCOUNTER:
2258 /* may be some leftovers on this */
2259 break;
2260
2261 case SHOP_MAT:
2262 apply_shop_mat (trap, victim);
2263 break;
2264
2265 /* Drop a certain amount of gold, and have one item identified */
2266 case IDENTIFY_ALTAR:
2267 apply_id_altar (victim, trap, originator);
2268 break;
2269
2270 case SIGN:
2271 if (victim->type != PLAYER && trap->stats.food > 0)
2272 break; /* monsters musn't apply magic_mouths with counters */
2273
2274 apply_sign (victim, trap, 1);
2275 break;
2276
2277 case CONTAINER:
2278 apply_container (victim, trap);
2279 break;
2280
2281 case RUNE:
2282 case TRAP:
2283 if (trap->level && QUERY_FLAG (victim, FLAG_ALIVE))
2284 spring_trap (trap, victim);
2285 break;
2286
2287 default:
2288 LOG (llevDebug, "name %s, arch %s, type %d with fly/walk on/off not "
2289 "handled in move_apply()\n", &trap->name, &trap->arch->archname, trap->type);
2290 break;
2291 }
2292
2293 recursion_depth--;
2294}
2295
2296/**
2297 * Handles reading a regular (ie not containing a spell) book.
2298 */
2299static void
2300apply_book (object *op, object *tmp)
2301{
2302 int lev_diff;
2303 object *skill_ob;
2304
2305 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
2306 {
2307 op->failmsg ("You are unable to read while blind!");
2308 return;
2309 }
2310
2311 if (!tmp->msg)
2312 {
2313 op->failmsg (format ("The %s contains nothing but meaningless gibberish. H<There is nothing interesting to read here.>", &tmp->name));
2314 return;
2315 }
2316
2317 /* need a literacy skill to read stuff! */
2318 skill_ob = find_skill_by_name (op, tmp->skill);
2319 if (!skill_ob)
2320 {
2321 op->failmsg (format ("You are unable to decipher the strange symbols. H<You lack the %s skill to read this.>", &tmp->skill));
2322 return;
2323 }
2324
2325 lev_diff = tmp->level - (skill_ob->level + 5);
2326 if (!QUERY_FLAG (op, FLAG_WIZ) && lev_diff > 0)
2327 {
2328 op->failmsg (lev_diff < 2 ? "This book is just barely beyond your comprehension."
2329 : lev_diff < 3 ? "This book is slightly beyond your comprehension."
2330 : lev_diff < 5 ? "This book is beyond your comprehension."
2331 : lev_diff < 8 ? "This book is quite a bit beyond your comprehension."
2332 : lev_diff < 15 ? "This book is way beyond your comprehension."
2333 : "This book is totally beyond your comprehension.");
2334 return;
2335 }
2336
2337 // we currently don't use the message types for anything.
2338 // readable_message_type *msgType = get_readable_message_type (tmp);
2339
2340 tmp->play_sound (tmp->sound ? tmp->sound : sound_find ("apply_book"));
2341
2342 if (player *pl = op->contr)
2343 if (client *ns = pl->ns)
2344 pl->infobox (MSG_CHANNEL ("book"), format ("T<%s>\n\n%s", (char *)long_desc (tmp, op), &tmp->msg));
2345
2346 /* gain xp from reading */
2347 if (!QUERY_FLAG (tmp, FLAG_NO_SKILL_IDENT))
2348 { /* only if not read before */
2349 int exp_gain = calc_skill_exp (op, tmp, skill_ob);
2350
2351 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
2352 {
2353 /*exp_gain *= 2; because they just identified it too */
2354 SET_FLAG (tmp, FLAG_IDENTIFIED);
2355
2356 if (object *pl = tmp->visible_to ())
2357 esrv_update_item (UPD_FLAGS | UPD_NAME, pl, tmp);
2358 }
2359
2360 change_exp (op, exp_gain, skill_ob->skill, 0);
2361 SET_FLAG (tmp, FLAG_NO_SKILL_IDENT); /* so no more xp gained from this book */
2362 }
2363}
2364
2365/**
2366 * op made some mistake with a scroll, this takes care of punishment.
2367 * scroll_failure()- hacked directly from spell_failure
2368 */
2369static void
2370scroll_failure (object *op, int failure, int power)
2371{
2372 if (abs (failure / 4) > power)
2373 power = abs (failure / 4); /* set minimum effect */
2374
2375 if (failure <= -1 && failure > -15)
2376 { /* wonder */
2377 object *tmp;
2378
2379 op->failmsg ("Your spell warps!");
2380 tmp = get_archetype (SPELL_WONDER);
2381 cast_wonder (op, op, 0, tmp);
2382 tmp->destroy ();
2383 }
2384 else if (failure <= -15 && failure > -35)
2385 { /* drain mana */
2386 op->failmsg ("Your mana is drained!");
2387 op->stats.sp -= random_roll (0, power - 1, op, PREFER_LOW);
2388 if (op->stats.sp < 0)
2389 op->stats.sp = 0;
2390 }
2391 else if (settings.spell_failure_effects == TRUE)
2392 {
2393 if (failure <= -35 && failure > -60)
2394 { /* confusion */
2395 op->failmsg ("The magic recoils on you!");
2396 confuse_player (op, op, power);
2397 }
2398 else if (failure <= -60 && failure > -70)
2399 { /* paralysis */
2400 op->failmsg ("The magic recoils and paralyzes you!");
2401 paralyze_player (op, op, power);
2402 }
2403 else if (failure <= -70 && failure > -80)
2404 { /* blind */
2405 op->failmsg ("The magic recoils on you!");
2406 blind_player (op, op, power);
2407 }
2408 else if (failure <= -80)
2409 { /* blast the immediate area */
2410 object *tmp = get_archetype (LOOSE_MANA);
2411 cast_magic_storm (op, tmp, power);
2412 op->failmsg ("You unleash uncontrolled mana!");
2413 tmp->destroy ();
2414 }
2415 }
2416}
2417
2418/**
2419 * Handles the applying of a skill scroll, calling learn_skill straight.
2420 * op is the person learning the skill, tmp is the skill scroll object
2421 */
2422static void
2423apply_skillscroll (object *op, object *tmp)
2424{
2425 switch (learn_skill (op, tmp))
2426 {
2427 case 0:
2428 op->play_sound (sound_find ("generic_fail"));
2429 op->failmsg (format ("You already possess the knowledge held within the %s.", query_name (tmp)));
2430 break;
2431
2432 case 1:
2433 tmp->decrease ();
2434 op->play_sound (sound_find ("skill_learn"));
2435 op->statusmsg (format ("You succeed in learning %s", &tmp->skill));
2436 break;
2437
2438 default:
2439 tmp->decrease ();
2440 op->play_sound (sound_find ("generic_fail"));
2441 op->failmsg (format ("You fail to learn the knowledge of the %s.\n", query_name (tmp)));
2442 break;
2443 }
2444}
2445
2446/**
2447 * Actually makes op learn spell.
2448 * Informs player of what happens.
2449 */
2450void
2451do_learn_spell (object *op, object *spell, int special_prayer)
2452{
2453 object *tmp;
2454
2455 if (op->type != PLAYER)
2456 {
2457 LOG (llevError, "BUG: do_learn_spell(): not a player\n");
2458 return;
2459 }
2460
2461 /* Upgrade special prayers to normal prayers */
2462 if ((tmp = check_spell_known (op, spell->name)) != NULL)
2463 {
2464 if (special_prayer && !QUERY_FLAG (tmp, FLAG_STARTEQUIP))
2465 {
2466 LOG (llevError, "BUG: do_learn_spell(): spell already known, but not marked as startequip\n");
2467 return;
2468 }
2469 return;
2470 }
2471
2472 op->contr->play_sound (sound_find ("learn_spell"));
2473
2474 tmp = spell->clone ();
2475 insert_ob_in_ob (tmp, op);
2476
2477 if (special_prayer)
2478 SET_FLAG (tmp, FLAG_STARTEQUIP);
2479
2480 esrv_add_spells (op->contr, tmp);
2481}
2482
2483/**
2484 * Erases spell from player's inventory.
2485 */
2486void
2487do_forget_spell (object *op, const char *spell)
2488{
2489 object *spob;
2490
2491 if (op->type != PLAYER)
2492 {
2493 LOG (llevError, "BUG: do_forget_spell(): not a player\n");
2494 return;
2495 }
2496 if ((spob = check_spell_known (op, spell)) == NULL)
2497 {
2498 LOG (llevError, "BUG: do_forget_spell(): spell not known\n");
2499 return;
2500 }
2501
2502 op->failmsg (format ("You lose knowledge of %s.", spell));
2503 esrv_remove_spell (op->contr, spob);
2504 spob->destroy ();
2505}
2506
2507/**
2508 * Handles player applying a spellbook.
2509 * Checks whether player has knowledge of required skill, doesn't already know the spell,
2510 * stuff like that. Random learning failure too.
2511 */
2512static void
2513apply_spellbook (object *op, object *tmp)
2514{
2515 object *skop, *spell, *spell_skill;
2516
2517 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
2518 {
2519 op->failmsg ("You are unable to read while blind.");
2520 return;
2521 }
2522
2523 /* artifact_spellbooks have 'slaying' field point to a spell name,
2524 * instead of having their spell stored in stats.sp. These are
2525 * legacy spellbooks
2526 */
2527 if (tmp->slaying)
2528 {
2529 spell = find_archetype_by_object_name (tmp->slaying)->instance ();
2530
2531 if (!spell)
2532 {
2533 op->failmsg (format ("The book's formula for %s is incomplete.", &tmp->slaying));
2534 return;
2535 }
2536 else
2537 insert_ob_in_ob (spell, tmp);
2538
2539 tmp->slaying = 0;
2540 }
2541
2542 skop = find_skill_by_name (op, tmp->skill);
2543
2544 /* need a literacy skill to learn spells. Also, having a literacy level
2545 * lower than the spell will make learning the spell more difficult */
2546 if (!skop)
2547 {
2548 op->failmsg (format ("You can't read! Your attempt fails. H<You lack the %s skill.>", &tmp->skill));
2549 return;
2550 }
2551
2552 spell = tmp->inv;
2553
2554 if (!spell)
2555 {
2556 LOG (llevError, "apply_spellbook: Book %s has no spell in it!\n", &tmp->name);
2557 op->failmsg ("The spellbook symbols make no sense. This is a bug, please report!");
2558 return;
2559 }
2560
2561 int learn_level = sqrtf (spell->level) * 1.5f;
2562 if (skop->level < learn_level)
2563 {
2564 op->failmsg (format ("You are unable to decipher the strange symbols. H<Your %s level is too low, it must be at least %d.>",
2565 &tmp->skill, learn_level));
2566 return;
2567 }
2568
2569 op->statusmsg (format ("The spellbook contains the %s level spell %s.", ordinal (spell->level), &spell->name));
2570
2571 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
2572 identify (tmp);
2573
2574 /* I removed the check for special_prayer_mark here - it didn't make
2575 * a lot of sense - special prayers are not found in spellbooks, and
2576 * if the player doesn't know the spell, doesn't make a lot of sense that
2577 * they would have a special prayer mark.
2578 */
2579 if (check_spell_known (op, spell->name))
2580 {
2581 op->statusmsg ("You already know that spell. H<It makes no sense to learn spells twice, and would only waste the spellbook.>\n");
2582 return;
2583 }
2584
2585 if (spell->skill)
2586 {
2587 spell_skill = find_skill_by_name (op, spell->skill);
2588
2589 if (!spell_skill)
2590 {
2591 op->failmsg (format ("You lack the %s skill to use this spell.", &spell->skill));
2592 return;
2593 }
2594
2595 if (spell_skill->level < spell->level)
2596 {
2597 op->failmsg (format ("You need to be level %d in %s to learn this spell.", spell->level, &spell->skill));
2598 return;
2599 }
2600 }
2601
2602 /* Logic as follows
2603 *
2604 * 1- MU spells use Int to learn, Cleric spells use Wisdom
2605 *
2606 * 2- The learner's skill level in literacy adjusts the chance to learn
2607 * a spell.
2608 *
2609 * 3 -Automatically fail to learn if you read while confused
2610 *
2611 * Overall, chances are the same but a player will find having a high
2612 * literacy rate very useful! -b.t.
2613 */
2614 if (QUERY_FLAG (op, FLAG_CONFUSED))
2615 {
2616 op->failmsg ("In your confused state you flub the wording of the text!");
2617 scroll_failure (op, 0 - random_roll (0, spell->level, op, PREFER_LOW), max (spell->stats.sp, spell->stats.grace));
2618 }
2619 else if (QUERY_FLAG (tmp, FLAG_STARTEQUIP) ||
2620 (random_roll (0, 100, op, PREFER_LOW) - (5 * skop->level)) < learn_spell[spell->stats.grace ? op->stats.Wis : op->stats.Int])
2621 {
2622 op->statusmsg ("You succeed in learning the spell!", NDI_GREEN);
2623 do_learn_spell (op, spell, 0);
2624
2625 /* xp gain to literacy for spell learning */
2626 if (!QUERY_FLAG (tmp, FLAG_STARTEQUIP))
2627 change_exp (op, calc_skill_exp (op, tmp, skop), skop->skill, 0);
2628 }
2629 else
2630 {
2631 op->contr->play_sound (sound_find ("fumble_spell"));
2632 op->failmsg ("You fail to learn the spell. H<Wis (priests) or Int (wizards) governs the chance of learning a prayer or spell.>\n");
2633 }
2634
2635 tmp->decrease ();
2636}
2637
2638/**
2639 * Handles applying a spell scroll.
2640 */
2641void
2642apply_scroll (object *op, object *tmp, int dir)
2643{
2644 object *skop;
2645
2646 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
2647 {
2648 op->failmsg ("You are unable to read while blind.");
2649 return;
2650 }
2651
2652 if (!tmp->inv || tmp->inv->type != SPELL)
2653 {
2654 op->failmsg ("The scroll just doesn't make sense! H<...and never will make sense.>");
2655 return;
2656 }
2657
2658 if (op->type == PLAYER)
2659 {
2660 /* players need a literacy skill to read stuff! */
2661 int exp_gain = 0;
2662
2663 /* hard code literacy - tmp->skill points to where the exp
2664 * should go for anything killed by the spell.
2665 */
2666 skop = find_skill_by_name (op, skill_names[SK_LITERACY]);
2667
2668 if (!skop)
2669 {
2670 op->failmsg (format ("You are unable to decipher the strange symbols. H<You lack the %s skill.>", &skill_names[SK_LITERACY]));
2671 return;
2672 }
2673
2674 if ((exp_gain = calc_skill_exp (op, tmp, skop)))
2675 change_exp (op, exp_gain, skop->skill, 0);
2676 }
2677
2678 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
2679 identify (tmp);
2680
2681 op->statusmsg (format ("The scroll of %s turns to dust.", &tmp->inv->name));
2682
2683 cast_spell (op, tmp, dir, tmp->inv, NULL);
2684 tmp->decrease ();
2685}
2686
2687/**
2688 * Applies a treasure object - by default, chest. op
2689 * is the person doing the applying, tmp is the treasure
2690 * chest.
2691 */
2692static void
2693apply_treasure (object *op, object *tmp)
2694{
2695 /* Nice side effect of this treasure creation method is that the treasure
2696 * for the chest is done when the chest is created, and put into the chest
2697 * inventory. So that when the chest burns up, the items still exist. Also
2698 * prevents people from moving chests to more difficult maps to get better
2699 * treasure
2700 */
2701 object *treas = tmp->inv;
2702
2703 if (!treas)
2704 {
2705 op->statusmsg ("The chest was empty.");
2706 tmp->decrease ();
2707 return;
2708 }
2709
2710 while (tmp->inv)
2711 {
2712 treas = tmp->inv;
2713 treas->remove ();
2714
2715 treas->x = op->x;
2716 treas->y = op->y;
2717 treas = insert_ob_in_map (treas, op->map, op, INS_BELOW_ORIGINATOR);
2718
2719 if (treas && (treas->type == RUNE || treas->type == TRAP) && treas->level && QUERY_FLAG (op, FLAG_ALIVE))
2720 spring_trap (treas, op);
2721
2722 /* If either player or container was destroyed, no need to do
2723 * further processing. I think this should be enclused with
2724 * spring trap above, as I don't think there is otherwise
2725 * any way for the treasure chest or player to get killed.
2726 */
2727 if (op->destroyed () || tmp->destroyed ())
2728 break;
2729 }
2730
2731 if (!tmp->destroyed () && !tmp->inv)
2732 tmp->decrease (true);
2733}
2734
2735/**
2736 * A dragon is eating some flesh. If the flesh contains resistances,
2737 * there is a chance for the dragon's skin to get improved.
2738 *
2739 * attributes:
2740 * object *op the object (dragon player) eating the flesh
2741 * object *meal the flesh item, getting chewed in dragon's mouth
2742 * return:
2743 * int 1 if eating successful, 0 if it doesn't work
2744 */
2745static int
2746dragon_eat_flesh (object *op, object *meal)
2747{
2748 object *skin = NULL; /* pointer to dragon skin force */
2749 object *abil = NULL; /* pointer to dragon ability force */
2750 object *tmp = NULL; /* tmp. object */
2751
2752 double chance; /* improvement-chance of one resistance type */
2753 double totalchance = 1; /* total chance of gaining one resistance */
2754 double bonus = 0; /* level bonus (improvement is easier at lowlevel) */
2755 double mbonus = 0; /* monster bonus */
2756 int atnr_winner[NROFATTACKS]; /* winning candidates for resistance improvement */
2757 int winners = 0; /* number of winners */
2758 int i; /* index */
2759
2760 /* let's make sure and doublecheck the parameters */
2761 if (meal->type != FLESH || !op->is_dragon ())
2762 return 0;
2763
2764 /* now grab the 'dragon_skin'- and 'dragon_ability'-forces
2765 from the player's inventory */
2766 for (tmp = op->inv; tmp; tmp = tmp->below)
2767 if (tmp->type == FORCE)
2768 if (tmp->arch->archname == shstr_dragon_skin_force)
2769 skin = tmp;
2770 else if (tmp->arch->archname == shstr_dragon_ability_force)
2771 abil = tmp;
2772
2773 /* if either skin or ability are missing, this is an old player
2774 which is not to be considered a dragon -> bail out */
2775 if (skin == NULL || abil == NULL)
2776 return 0;
2777
2778 /* now start by filling stomache and health, according to food-value */
2779 if ((MAX_FOOD - op->stats.food) < meal->stats.food)
2780 op->stats.hp += (MAX_FOOD - op->stats.food) / 50;
2781 else
2782 op->stats.hp += meal->stats.food / 50;
2783
2784 min_it (op->stats.hp, op->stats.maxhp);
2785 op->stats.food = min (MAX_FOOD, op->stats.food + meal->stats.food);
2786
2787 /*LOG(llevDebug, "-> player: %d, flesh: %d\n", op->level, meal->level); */
2788
2789 /* on to the interesting part: chances for adding resistance */
2790 for (i = 0; i < NROFATTACKS; i++)
2791 {
2792 if (meal->resist[i] > 0 && atnr_is_dragon_enabled (i))
2793 {
2794 /* got positive resistance, now calculate improvement chance (0-100) */
2795
2796 /* this bonus makes resistance increase easier at lower levels */
2797 bonus = (settings.max_level - op->level) * 30. / ((double) settings.max_level);
2798 if (i == abil->stats.exp)
2799 bonus += 5; /* additional bonus for resistance of ability-focus */
2800
2801 /* monster bonus increases with level, because high-level
2802 flesh is too rare */
2803 mbonus = op->level * 20. / ((double) settings.max_level);
2804
2805 chance = (((double)min (op->level + bonus, meal->level + bonus + mbonus)) * 100. /
2806 ((double)settings.max_level)) - skin->resist[i];
2807
2808 if (chance >= 0.)
2809 chance += 1.;
2810 else
2811 chance = (chance < -12) ? 0. : 1. / pow (2., -chance);
2812
2813 /* chance is proportional to amount of resistance (max. 50) */
2814 chance *= ((double)(min (meal->resist[i], 50))) / 50.;
2815
2816 /* doubled chance for resistance of ability-focus */
2817 if (i == abil->stats.exp)
2818 chance = min (100., chance * 2.);
2819
2820 /* now make the throw and save all winners (Don't insert luck bonus here!) */
2821 if (rndm (10000) < (unsigned int)(chance * 100))
2822 {
2823 atnr_winner[winners] = i;
2824 winners++;
2825 }
2826
2827 if (chance >= 0.01)
2828 totalchance *= 1 - chance / 100;
2829
2830 /*LOG(llevDebug, " %s: bonus %.1f, chance %.1f\n", attacks[i], bonus, chance); */
2831 }
2832 }
2833
2834 /* inverse totalchance as until now we have the failure-chance */
2835 totalchance = 100 - totalchance * 100;
2836
2837 /* print message according to totalchance */
2838 const char *buf;
2839 if (totalchance > 50.)
2840 buf = format ("Hmm! The %s tasted delicious!", &meal->name);
2841 else if (totalchance > 10.)
2842 buf = format ("The %s tasted very good.", &meal->name);
2843 else if (totalchance > 1.)
2844 buf = format ("The %s tasted good.", &meal->name);
2845 else if (totalchance > 0.1)
2846 buf = format ("The %s tasted bland.", &meal->name);
2847 else if (totalchance >= 0.01)
2848 buf = format ("The %s had a boring taste.", &meal->name);
2849 else if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat))
2850 buf = format ("The %s tasted strange.", &meal->name);
2851 else
2852 buf = format ("The %s had no taste.", &meal->name);
2853
2854 op->statusmsg (buf);
2855
2856 /* now choose a winner if we have any */
2857 i = -1;
2858 if (winners > 0)
2859 i = atnr_winner [rndm (winners)];
2860
2861 if (i >= 0 && i < NROFATTACKS && skin->resist[i] < 95)
2862 {
2863 /* resistance increased! */
2864 skin->resist[i]++;
2865 op->update_stats ();
2866
2867 op->statusmsg (format ("Your skin is now more resistant to %s!", change_resist_msg[i]));
2868 }
2869
2870 /* if this flesh contains a new ability focus, we mark it
2871 into the ability_force and it will take effect on next level */
2872 if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat) && meal->last_eat != abil->last_eat)
2873 {
2874 abil->last_eat = meal->last_eat; /* write: last_eat <new attnr focus> */
2875
2876 if (meal->last_eat != abil->stats.exp)
2877 op->statusmsg (format (
2878 "Your metabolism prepares to focus on %s!\n"
2879 "The change will happen at level %d.",
2880 change_resist_msg[meal->last_eat],
2881 abil->level + 1
2882 ));
2883 else
2884 {
2885 op->statusmsg (format ("Your metabolism will continue to focus on %s.", change_resist_msg[meal->last_eat]));
2886 abil->last_eat = 0;
2887 }
2888 }
2889
2890 return 1;
2891}
2892
2893/**
2894 * op eats food.
2895 * If player, takes care of messages and dragon special food.
2896 */
2897static void
2898apply_food (object *op, object *tmp)
2899{
2900 int capacity_remaining;
2901
2902 if (op->type != PLAYER)
2903 op->stats.hp = op->stats.maxhp;
2904 else
2905 {
2906 /* check if this is a dragon (player), eating some flesh */
2907 if (tmp->type == FLESH && op->is_dragon () && dragon_eat_flesh (op, tmp))
2908 ;
2909 else
2910 {
2911 /* usual case - no dragon meal: */
2912 if (op->stats.food + tmp->stats.food > MAX_FOOD)
2913 {
2914 if (tmp->type == FOOD || tmp->type == FLESH)
2915 op->failmsg ("You feel full, but what a waste of food!");
2916 else
2917 op->statusmsg ("Most of the drink goes down your face not your throat!");
2918 }
2919
2920 tmp->play_sound (
2921 tmp->sound
2922 ? tmp->sound
2923 : tmp->type == DRINK
2924 ? sound_find ("eat_drink")
2925 : sound_find ("eat_food")
2926 );
2927
2928 if (!QUERY_FLAG (tmp, FLAG_CURSED))
2929 {
2930 const char *buf;
2931
2932 if (!op->is_dragon ())
2933 {
2934 /* eating message for normal players */
2935 if (tmp->type == DRINK)
2936 buf = format ("Ahhh...that %s tasted good.", &tmp->name);
2937 else
2938 buf = format ("The %s tasted %s", &tmp->name, tmp->type == FLESH ? "terrible!" : "good.");
2939 }
2940 else
2941 /* eating message for dragon players */
2942 buf = format ("The %s tasted terrible!", &tmp->name);
2943
2944 op->statusmsg (buf);
2945
2946 capacity_remaining = MAX_FOOD - op->stats.food;
2947 op->stats.food += tmp->stats.food;
2948 if (capacity_remaining < tmp->stats.food)
2949 op->stats.hp += capacity_remaining / 50;
2950 else
2951 op->stats.hp += tmp->stats.food / 50;
2952
2953 min_it (op->stats.hp, op->stats.maxhp);
2954 min_it (op->stats.food, MAX_FOOD);
2955 }
2956
2957 /* special food hack -b.t. */
2958 if (tmp->title || QUERY_FLAG (tmp, FLAG_CURSED))
2959 eat_special_food (op, tmp);
2960 }
2961 }
2962
2963 handle_apply_yield (tmp);
2964 tmp->decrease ();
2965}
2966
2967/**
2968 * Handles applying an improve armor scroll.
2969 * Does some sanity checks, then calls improve_armour.
2970 */
2971static void
2972apply_armour_improver (object *op, object *tmp)
2973{
2974 object *armor;
2975
2976 if (!QUERY_FLAG (op, FLAG_WIZCAST) && (get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_NO_MAGIC))
2977 {
2978 op->failmsg ("Something blocks the magic of the scroll. H<This area prevents magic effects.>");
2979 return;
2980 }
2981
2982 armor = find_marked_object (op);
2983
2984 if (!armor)
2985 {
2986 op->failmsg ("You need to mark an armor object. Use the right mouse button popup or the mark command to do this.");
2987 return;
2988 }
2989
2990 if (armor->type != ARMOUR
2991 && armor->type != CLOAK
2992 && armor->type != BOOTS && armor->type != GLOVES && armor->type != BRACERS && armor->type != SHIELD && armor->type != HELMET)
2993 {
2994 op->failmsg ("Your marked item is not armour!\n");
2995 return;
2996 }
2997
2998 op->statusmsg ("Applying armour enchantment.");
2999 improve_armour (op, tmp, armor);
3000}
3001
3002void
3003apply_poison (object *op, object *tmp)
3004{
3005 // need to do it now when it is still on the map
3006 handle_apply_yield (tmp);
3007
3008 object *poison = tmp->split (1);
3009
3010 if (op->type == PLAYER)
3011 {
3012 op->contr->play_sound (sound_find ("drink_poison"));
3013 op->failmsg ("Yech! That tasted poisonous!");
3014 op->contr->killer = poison;
3015 }
3016
3017 if (poison->stats.hp > 0)
3018 {
3019 LOG (llevDebug, "Trying to poison player/monster for %d hp\n", poison->stats.hp);
3020 hit_player (op, poison->stats.hp, tmp, AT_POISON, 1);
3021 }
3022
3023 op->stats.food -= op->stats.food / 4;
3024 poison->destroy ();
3025}
3026
3027/**
3028 * This function will try to apply a lighter and in case no lighter
3029 * is specified it will try to find a lighter in the players inventory,
3030 * and inform him about this requirement.
3031 *
3032 * who - the player
3033 * op - the item we want to light
3034 * lighter - the lighter or 0 if a lighter has yet to be found
3035 */
3036static object *
3037auto_apply_lighter (object *who, object *op, object *lighter)
3038{
3039 if (lighter == 0)
3040 {
3041 for (object *tmp = who->inv; tmp; tmp = tmp->below)
3042 {
3043 if (tmp->type == LIGHTER)
3044 {
3045 lighter = tmp;
3046 break;
3047 }
3048 }
3049
3050 if (!lighter)
3051 {
3052 who->failmsg (format (
3053 "You can't light up the %s with your bare hands! "
3054 "H<You need a lighter in your inventory, for example a flint and steel.>",
3055 &op->name));
3056 return 0;
3057 }
3058 }
3059
3060 // last_eat == 0 means the lighter is not being used up!
3061 if (lighter->last_eat && lighter->stats.food)
3062 {
3063 /* lighter gets used up */
3064 lighter = lighter->split ();
3065 lighter->stats.food--;
3066 who->insert (lighter);
3067 }
3068 else if (lighter->last_eat)
3069 {
3070 /* no charges left in lighter */
3071 who->failmsg (format (
3072 "You attempt to light the %s with a used up %s.",
3073 &op->name, &lighter->name));
3074 return 0;
3075 }
3076
3077 return lighter;
3078}
3079
3080/**
3081 * Designed primarily to light torches/lanterns/etc.
3082 * Also burns up burnable material too. First object in the inventory is
3083 * the selected object to "burn". -b.t.
3084 */
3085static void
3086apply_lighter (object *who, object *lighter)
3087{
3088 object *item;
3089 int is_player_env = 0;
3090
3091 item = find_marked_object (who);
3092 if (item)
3093 {
3094 if (!auto_apply_lighter (who, item, lighter))
3095 return;
3096
3097 /* Perhaps we should split what we are trying to light on fire?
3098 * I can't see many times when you would want to light multiple
3099 * objects at once.
3100 */
3101
3102 save_throw_object (item, AT_FIRE, who);
3103
3104 if (item->destroyed ()
3105 || ((item->type == LAMP || item->type == TORCH)
3106 && item->glow_radius > 0))
3107 who->statusmsg (format (
3108 "You light the %s with the %s.",
3109 &item->name, &lighter->name));
3110 else
3111 who->failmsg (format (
3112 "You attempt to light the %s with the %s and fail.",
3113 &item->name, &lighter->name));
3114 }
3115 else
3116 who->failmsg ("You need to mark a lightable object.");
3117}
3118
3119/**
3120 * This function generates a cursed effect for cursed lamps and torches.
3121 */
3122static void
3123player_apply_lamp_cursed_effect (object *who, object *op)
3124{
3125 if (op->level)
3126 {
3127 who->failmsg (format (
3128 "The %s was cursed, it explodes in a big fireball!",
3129 &op->name));
3130 create_exploding_ball_at (who, op->level);
3131 }
3132 else
3133 {
3134 who->failmsg (format (
3135 "The %s was cursed, it crumbles to dust, at least it didn't explode.!",
3136 &op->name));
3137 }
3138
3139 op->destroy ();
3140}
3141
3142/**
3143 * Apply for players and lamps
3144 *
3145 * who - the player
3146 * op - the lamp
3147 */
3148static void
3149player_apply_lamp (object *who, object *op)
3150{
3151 bool switch_on = op->glow_radius ? false : true;
3152
3153 if (switch_on)
3154 {
3155 object *lighter = 0;
3156
3157 if (op->flag [FLAG_IS_LIGHTABLE]
3158 && !(lighter = auto_apply_lighter (who, op, 0)))
3159 return;
3160
3161 if (op->stats.food < 1)
3162 {
3163 if (op->type == LAMP)
3164 who->failmsg (format (
3165 "The %s is out of fuel! "
3166 "H<Lamps and similar items need fuel. They cannot be refilled.>",
3167 &op->name));
3168 else
3169 who->failmsg (format (
3170 "The %s is burnt out! "
3171 "H<Torches and similar items burn out and become worthless.>",
3172 &op->name));
3173 return;
3174 }
3175
3176 if (op->flag [FLAG_CURSED])
3177 {
3178 player_apply_lamp_cursed_effect (who, op);
3179 return;
3180 }
3181
3182 if (lighter)
3183 who->statusmsg (format (
3184 "You light up the %s with the %s.", &op->name, &lighter->name));
3185 else
3186 who->statusmsg (format ("You light up the %s.", &op->name));
3187 }
3188 else
3189 {
3190 if (op->flag [FLAG_CURSED])
3191 {
3192 player_apply_lamp_cursed_effect (who, op);
3193 return;
3194 }
3195
3196 if (op->type == TORCH)
3197 {
3198 if (!op->flag [FLAG_IS_LIGHTABLE])
3199 {
3200 who->statusmsg (format (
3201 "You put out the %s. "
3202 "H<The %s can't be used anymore, as it can't be lighted up again.>",
3203 &op->name, &op->name));
3204 }
3205 else
3206 who->statusmsg (format (
3207 "You put out the %s."
3208 "H<Torches wear out if you put them out.>",
3209 &op->name));
3210 }
3211 else
3212 who->statusmsg (format ("You turn off the %s.", &op->name));
3213 }
3214
3215 apply_lamp (op, switch_on);
3216}
3217
3218void get_animation_from_arch (object *op, arch_ptr a)
3219{
3220 op->animation_id = a->animation_id;
3221 op->flag [FLAG_IS_TURNABLE] = a->flag [FLAG_IS_TURNABLE];
3222 op->flag [FLAG_ANIMATE] = a->flag [FLAG_ANIMATE];
3223 op->anim_speed = a->anim_speed;
3224 op->last_anim = 0;
3225 op->state = 0;
3226 op->face = a->face;
3227
3228 if (NUM_ANIMATIONS(op) > 1)
3229 {
3230 SET_ANIMATION(op, 0);
3231 animate_object (op, op->direction);
3232 }
3233 else
3234 update_object (op, UP_OBJ_FACE);
3235}
3236
3237/**
3238 * Apply for LAMPs and TORCHes.
3239 *
3240 * op - the lamp
3241 * switch_on - a flag which says whether the lamp should be switched on or off
3242 */
3243void apply_lamp (object *op, bool switch_on)
3244{
3245 op->set_glow_radius (switch_on ? op->range : 0);
3246 op->set_speed (switch_on ? op->arch->speed : 0);
3247
3248 // torches wear out if you put them out
3249 if (op->type == TORCH && !switch_on)
3250 {
3251 if (op->flag [FLAG_IS_LIGHTABLE])
3252 {
3253 op->stats.food -= (double) op->arch->stats.food / 15;
3254 if (op->stats.food < 0)
3255 op->stats.food = 0;
3256 }
3257 else
3258 op->stats.food = 0;
3259 }
3260
3261 // lamps and torched get worthless when used up
3262 if (op->stats.food <= 0)
3263 op->value = 0;
3264
3265 // FIXME: This is a hack to make the more sane torches and lamps
3266 // still animated ;-/
3267 if (op->other_arch)
3268 get_animation_from_arch (op, switch_on ? op->other_arch : op->arch);
3269
3270 if (object *pl = op->visible_to ())
3271 esrv_update_item (UPD_ANIM | UPD_FACE | UPD_NAME, pl, op);
3272}
3273
3274/**
3275 * This handles items of type 'transformer'.
3276 * Basically those items, used with a marked item, transform both items into something
3277 * else.
3278 * "Transformer" item has food decreased by 1, removed if 0 (0 at start means illimited)..
3279 * Change information is contained in the 'slaying' field of the marked item.
3280 * The format is as follow: transformer:[number ]yield[;transformer:...].
3281 * This way an item can be transformed in many things, and/or many objects.
3282 * The 'slaying' field for transformer is used as verb for the action.
3283 */
3284static void
3285apply_item_transformer (object *pl, object *transformer)
3286{
3287 object *marked;
3288 object *new_item;
3289 const char *find;
3290 char *separator;
3291 int yield;
3292 char got[MAX_BUF];
3293 int len;
3294
3295 if (!pl || !transformer)
3296 return;
3297
3298 marked = find_marked_object (pl);
3299
3300 if (!marked)
3301 {
3302 pl->failmsg (format ("Use the %s with what item?", query_name (transformer)));
3303 return;
3304 }
3305
3306 if (!marked->slaying)
3307 {
3308 pl->failmsg (format ("You can't use the %s with your %s!", query_name (transformer), query_name (marked)));
3309 return;
3310 }
3311
3312 /* check whether they are compatible or not */
3313 find = strstr (&marked->slaying, transformer->arch->archname);
3314 if (!find || (*(find + strlen (transformer->arch->archname)) != ':'))
3315 {
3316 pl->failmsg (format ("You can't use the %s with your %s!", query_name (transformer), query_name (marked)));
3317 return;
3318 }
3319
3320 find += strlen (transformer->arch->archname) + 1;
3321 /* Item can be used, now find how many and what it yields */
3322 if (isdigit (*(find)))
3323 {
3324 yield = atoi (find);
3325 if (yield < 1)
3326 {
3327 LOG (llevDebug, "apply_item_transformer: item %s has slaying-yield %d.", query_base_name (marked, 0), yield);
3328 yield = 1;
3329 }
3330 }
3331 else
3332 yield = 1;
3333
3334 while (isdigit (*find))
3335 find++;
3336
3337 while (*find == ' ')
3338 find++;
3339
3340 memset (got, 0, MAX_BUF);
3341
3342 if ((separator = (char *) strchr (find, ';')))
3343 len = separator - find;
3344 else
3345 len = strlen (find);
3346
3347 min_it (len, MAX_BUF - 1);
3348
3349 strcpy (got, find);
3350 got[len] = '\0';
3351
3352 /* Now create new item, remove used ones when required. */
3353 new_item = get_archetype (got);
3354 if (!new_item)
3355 {
3356 pl->failmsg (format ("This %s is strange, better to not use it.", query_base_name (marked, 0)));
3357 return;
3358 }
3359
3360 new_item->nrof = yield;
3361
3362 pl->statusmsg (format ("You %s the %s.", &transformer->slaying, query_base_name (marked, 0)));
3363
3364 pl->insert (new_item);
3365 /* Eat up one item */
3366 marked->decrease ();
3367
3368 /* Eat one transformer if needed */
3369 if (transformer->stats.food)
3370 if (--transformer->stats.food == 0)
3371 transformer->decrease ();
3372}
3373
3374/**
3375 * Main apply handler.
3376 *
3377 * Checks for unpaid items before applying.
3378 *
3379 * Return value is currently not used
3380 *
3381 * who is the object that is causing object to be applied, op is the object
3382 * being applied.
3383 *
3384 * aflag is special (always apply/unapply) flags. Nothing is done with
3385 * them in this function - they are passed to apply_special
3386 */
3387static bool
3388manual_apply (object *who, object *op, int aflag)
3389{
3390 op = op->head_ ();
3391
3392 if (op->flag [FLAG_UNPAID] && !op->flag [FLAG_APPLIED])
3393 {
3394 if (who->contr)
3395 {
3396 examine (who, op);
3397 //who->failmsg ("You should pay for it first! H<You cannot use items marked as unpaid.>");//TODO remove
3398 return 1;
3399 }
3400 else
3401 return 0; /* monsters just skip unpaid items */
3402 }
3403
3404 if (INVOKE_OBJECT (APPLY, op, ARG_OBJECT (who)))
3405 return RESULT_INT (0);
3406 else if (apply_types_inv_only [op->type])
3407 {
3408 // special item, using slot system, needs to be in inv
3409 if (op->env == who)
3671 return apply_special (who, op, aflags); 3410 return apply_special (who, op, aflag);
3411
3412 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)));
3413 }
3414 else if (!who->contr && apply_types_player_only [op->type])
3415 return 0; // monsters shouldn't try to apply player-only stuff
3416 else if (apply_types [op->type])
3417 {
3418 // ordinary stuff, may be on the floor
3419 switch (op->type)
3420 {
3421 case T_HANDLE:
3422 who->play_sound (sound_find ("turn_handle"));
3423 who->statusmsg ("You turn the handle.");
3424 op->value = op->value ? 0 : 1;
3425 SET_ANIMATION (op, op->value);
3426 update_object (op, UP_OBJ_FACE);
3427 push_button (op, who);
3428 break;
3429
3430 case TRIGGER:
3431 if (check_trigger (op, who, who))
3432 {
3433 who->statusmsg ("You turn the handle.");
3434 who->play_sound (sound_find ("turn_handle"));
3435 }
3436 else
3437 who->failmsg ("The handle doesn't move.");
3438
3439 break;
3440
3441 case EXIT:
3442 if (!EXIT_PATH (op))
3443 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)));
3444 else
3445 {
3446 /* Don't display messages for random maps. */
3447 if (op->msg && EXIT_PATH (op) != shstr_random_map_exit)
3448 who->statusmsg (op->msg, NDI_NAVY);
3449
3450 who->enter_exit (op);
3451 }
3452
3453 break;
3454
3455 case INSCRIBABLE:
3456 who->statusmsg (op->msg);
3457 // maybe show a spell menu to chose from or something like that
3458 break;
3459
3460 case SIGN:
3461 apply_sign (who, op, 0);
3462 break;
3463
3464 case BOOK:
3465 apply_book (who, op);
3466 break;
3467
3468 case SKILLSCROLL:
3469 apply_skillscroll (who, op);
3470 break;
3471
3472 case SPELLBOOK:
3473 apply_spellbook (who, op);
3474 break;
3475
3476 case SCROLL:
3477 apply_scroll (who, op, 0);
3478 break;
3479
3480 case POTION:
3481 apply_potion (who, op);
3482 break;
3483
3484 /* Eneq(@csd.uu.se): Handle apply on containers. */
3485 //TODO: remove, as it is unsed?
3486 case CLOSE_CON:
3487 apply_container (who, op->env);
3488 break;
3489
3490 case CONTAINER:
3491 apply_container (who, op);
3492 break;
3493
3494 case TREASURE:
3495 apply_treasure (who, op);
3496 break;
3497
3498 case LAMP:
3499 case TORCH:
3500 player_apply_lamp (who, op);
3501 break;
3502
3503 case DRINK:
3504 case FOOD:
3505 case FLESH:
3506 apply_food (who, op);
3507 break;
3508
3509 case POISON:
3510 apply_poison (who, op);
3511 break;
3512
3513 case SAVEBED:
3514 break;
3515
3516 case ARMOUR_IMPROVER:
3517 apply_armour_improver (who, op);
3518 break;
3519
3520 case WEAPON_IMPROVER:
3521 check_improve_weapon (who, op);
3522 break;
3523
3524 case CLOCK:
3525 {
3526 char buf[MAX_BUF];
3527 timeofday_t tod;
3528
3529 get_tod (&tod);
3530 who->play_sound (sound_find ("sound_clock"));
3531 who->statusmsg (format (
3532 "It is %d minute%s past %d o'clock %s",
3533 tod.minute + 1, ((tod.minute + 1 < 2) ? "" : "s"),
3534 ((tod.hour % 14 == 0) ? 14 : ((tod.hour) % 14)), ((tod.hour >= 14) ? "pm" : "am")
3535 ));
3536 }
3537 break;
3538
3539 case MENU:
3540 shop_listing (op, who);
3541 break;
3542
3543 case POWER_CRYSTAL:
3544 apply_power_crystal (who, op); /* see egoitem.c */
3545 break;
3546
3547 case LIGHTER: /* for lighting torches/lanterns/etc */
3548 apply_lighter (who, op);
3549 break;
3550
3551 case ITEM_TRANSFORMER:
3552 apply_item_transformer (who, op);
3553 break;
3554 }
3555
3556 return 1;
3557 }
3558 else
3559 {
3560 who->statusmsg (format ("I don't know how to apply the %s.", query_name (op)));
3561 return 0;
3562 }
3563}
3564
3565/**
3566 * player_apply_below attempts to apply the object 'below' the player.
3567 * If the player has an open container, we use that for below, otherwise
3568 * we use the ground.
3569 */
3570void
3571player_apply_below (object *pl)
3572{
3573 object *top = pl->container_ () ? pl->container_ ()->inv : pl->below;
3574
3575 /* If using a container, set the starting item to be the top
3576 * item in the container. Otherwise, use the map.
3577 */
3578
3579 // first try to apply "applyables"
3580 for (object *tmp = top; tmp; tmp = tmp->below)
3581 // the tmp->cb is a hack to allow user-extendable types...
3582 if (!tmp->invisible && (apply_types [tmp->type] || tmp->cb))
3583 {
3584 // If it is visible, player can apply it.
3585 pl->apply (tmp);
3586 return;
3587 }
3588
3589 while (top && top->invisible)
3590 top = top->below;
3591
3592 if (!top || top->flag [FLAG_IS_FLOOR])
3593 pl->failmsg ("You inspect this space, but find no way to apply anything. "
3594 "H<There is nothing here that you can apply.>");
3595 else
3596 // next, try to explain the topmost object
3597 switch (top->type)
3598 {
3599 // TODO: all this should move to examine
3600 case ALTAR:
3601 case IDENTIFY_ALTAR:
3602 case TRIGGER_ALTAR:
3603 case CONVERTER:
3604 //case TRIGGER_PEDESTAL:
3605 pl->failmsg (format (
3606 "You see no obvious mechanism on the %s."
3607 "H<You have to drop one or more specific items here.>",
3608 query_short_name (top)
3609 ));
3610 break;
3611
3612 case BUTTON:
3613 case TRIGGER_BUTTON:
3614 pl->failmsg (format (
3615 "The %s looks as if you could activate it with somehting heavy. "
3616 "H<You must put enough items here to activate it.>",
3617 query_short_name (top)
3618 ));
3619 break;
3620
3621 default:
3622 examine (pl, top);
3623 break;
3624 }
3625}
3626
3627// saner interface, returns successful status
3628bool
3629object::apply (object *ob, int aflags)
3630{
3631 if (!ob) // simplifies a lot of callers
3632 return true;
3633
3634 if (contr)
3635 {
3636 if (!ob->env && (move_type & MOVE_FLYING))
3637 {
3638 /* player is flying and applying object not in inventory */
3639 if (!flag [FLAG_WIZ] && !(ob->move_type & MOVE_FLYING))
3640 {
3641 failmsg ("But you are floating high above the ground! "
3642 "H<You have to stop levitating first, if you can, either by using your levitation skill, "
3643 "or waiting till the levitation effect wears off.>");
3644 return 0;
3645 }
3646 }
3647
3648 contr->last_used = ob;
3649 }
3650
3651 bool want_apply =
3652 aflags & AP_APPLY ? true
3653 : aflags & AP_UNAPPLY ? false
3654 : !ob->flag [FLAG_APPLIED]; // AP_TOGGLE
3655
3656 object_ptr *slot = 0;
3657
3658 // detect the slot, if this is a player
3659 if (contr && !(aflags & AP_NO_SLOT))
3660 {
3661 object *oslot;
3662
3663 switch (ob->type)
3664 {
3665 case WEAPON:
3666 slot = &contr->combat_ob;
3667 oslot = contr->ranged_ob;
3668 break;
3669
3670 case BOW:
3671 case RANGED:
3672 case SPELL:
3673 case WAND:
3674 case ROD:
3675 case HORN:
3676 case BUILDER:
3677 slot = &contr->ranged_ob;
3678 oslot = contr->combat_ob;
3679 break;
3680
3681 // oh, the humanity
3682 case SKILL:
3683 if (aflags & AP_NO_SLOT)
3684 break;
3685
3686 if (skill_flags [ob->subtype] & SF_NEED_ITEM)
3687 break;
3688
3689 if (skill_flags [ob->subtype] & SF_COMBAT)
3690 {
3691 slot = &contr->combat_ob;
3692 oslot = contr->ranged_ob;
3693 }
3694 else if (skill_flags [ob->subtype] & SF_RANGED)
3695 {
3696 slot = &contr->ranged_ob;
3697 oslot = contr->combat_ob;
3698 }
3699
3700 break;
3701 }
3702
3703 // now handle slot exclusions
3704 if (slot)
3705 {
3706 // only one slot can be active
3707 if (want_apply)
3708 {
3709 // clear slot unless we are in it already
3710 if (*slot != ob)
3711 apply (*slot, AP_UNAPPLY);
3712
3713 // unapply other slot, because we want to become active
3714 apply (oslot, AP_UNAPPLY);
3715 }
3716
3717 // clear item from slot if applied
3718 if (!want_apply && current_weapon == ob)
3719 current_weapon = 0;
3720 }
3721 }
3722
3723 if (ob->flag [FLAG_APPLIED] != want_apply)
3724 manual_apply (this, ob, aflags);
3725
3726 if (ob->flag [FLAG_APPLIED] != want_apply)
3727 return false;
3728
3729 if (slot && want_apply)
3730 current_weapon = *slot = ob;
3731
3732 return true;
3672} 3733}
3673 3734
3674/** 3735/**
3675 * Map was just loaded, handle op's initialisation. 3736 * Map was just loaded, handle op's initialisation.
3676 * 3737 *
… …
3783 * treasure again for this object 3844 * treasure again for this object
3784 */ 3845 */
3785 invtmp->randomitems = NULL; 3846 invtmp->randomitems = NULL;
3786 } 3847 }
3787 } 3848 }
3849
3788 /* This is really temporary - the code at the bottom will 3850 /* This is really temporary - the code at the bottom will
3789 * also set randomitems to null. The problem is there are bunches 3851 * also set randomitems to null. The problem is there are bunches
3790 * of maps/players already out there with items that have spells 3852 * of maps/players already out there with items that have spells
3791 * which haven't had the randomitems set to null yet. 3853 * which haven't had the randomitems set to null yet.
3792 * MSW 2004-05-13 3854 * MSW 2004-05-13
… …
3796 * Ryo 2004-08-16 3858 * Ryo 2004-08-16
3797 */ 3859 */
3798 if (tmp->type == WAND || tmp->type == ROD || tmp->type == SCROLL 3860 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) 3861 || tmp->type == HORN || tmp->type == FIREWALL || tmp->type == POTION || tmp->type == ALTAR || tmp->type == SPELLBOOK)
3800 tmp->randomitems = NULL; 3862 tmp->randomitems = NULL;
3801
3802 } 3863 }
3803 3864
3804 if (QUERY_FLAG (tmp, FLAG_AUTO_APPLY)) 3865 if (QUERY_FLAG (tmp, FLAG_AUTO_APPLY))
3805 auto_apply (tmp); 3866 auto_apply (tmp);
3806 else if ((tmp->type == TREASURE || (tmp->type == CONTAINER)) && tmp->has_random_items ()) 3867 else if ((tmp->type == TREASURE || (tmp->type == CONTAINER)) && tmp->has_random_items ())
… …
3839 } 3900 }
3840 3901
3841 for (mapspace *ms = spaces + size (); ms-- > spaces; ) 3902 for (mapspace *ms = spaces + size (); ms-- > spaces; )
3842 for (object *tmp = ms->bot; tmp; tmp = tmp->above) 3903 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
3843 if (tmp->above && (tmp->type == TRIGGER_BUTTON || tmp->type == TRIGGER_PEDESTAL)) 3904 if (tmp->above && (tmp->type == TRIGGER_BUTTON || tmp->type == TRIGGER_PEDESTAL))
3844 check_trigger (tmp, tmp->above); 3905 check_trigger (tmp, tmp->above, tmp->above);
3845} 3906}
3846 3907
3847/** 3908/**
3848 * Handles player eating food that temporarily changes status (resistances, stats). 3909 * Handles player eating food that temporarily changes status (resistances, stats).
3849 * This used to call cast_change_attr(), but 3910 * This used to call cast_change_attr(), but
… …
3854eat_special_food (object *who, object *food) 3915eat_special_food (object *who, object *food)
3855{ 3916{
3856 object *force; 3917 object *force;
3857 int i, did_one = 0; 3918 int i, did_one = 0;
3858 3919
3859 force = get_archetype (FORCE_NAME); 3920 char buf[64];
3921 snprintf (buf, sizeof(buf), "sp_food_%s", &food->title);
3922 shstr key (buf);
3860 3923
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 */ 3924 /* bigger morsel of food = longer effect time */
3882 force->duration = food->stats.food / 5; 3925 int duration = TIME2TICK (food->stats.food);
3883 SET_FLAG (force, FLAG_APPLIED); 3926
3884 change_abil (who, force); 3927 if (force = who->force_find (key))
3885 insert_ob_in_ob (force, who); 3928 {
3929 if (duration > fabs (force->speed_left / force->speed))
3930 {
3931 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));
3932 force->force_set_timer (duration);
3933 }
3934 else
3935 new_draw_info (NDI_UNIQUE, 0, who, "It had no additional effect.");
3936
3937 return;
3886 } 3938 }
3887 else 3939 else
3940 {
3941 force = who->force_add (key, duration);
3942 force->name = key;
3943
3944 /* check if the food affects a stat */
3945 for (i = 0; i < NUM_STATS; i++)
3946 if (sint8 k = food->stats.stat (i))
3947 {
3948 force->stats.stat (i) = k;
3949 did_one = 1;
3950 }
3951
3952 /* check if we can protect the eater */
3953 for (i = 0; i < NROFATTACKS; i++)
3954 {
3955 if (food->resist[i] > 0)
3956 {
3957 force->resist[i] = food->resist[i];
3958 did_one = 1;
3959 }
3960 }
3961
3962 if (did_one)
3963 {
3964 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));
3965
3966 /* make the force take effect and report effects to user */
3967 change_abil (who, force);
3968 }
3969 else
3888 force->destroy (); 3970 force->destroy ();
3971 }
3889 3972
3890 /* check for hp, sp change */ 3973 /* check for hp, sp change */
3891 if (food->stats.hp != 0) 3974 if (food->stats.hp != 0)
3892 { 3975 {
3893 if (QUERY_FLAG (food, FLAG_CURSED)) 3976 if (QUERY_FLAG (food, FLAG_CURSED))
… …
3923 /* place limit on max sp from food? */ 4006 /* place limit on max sp from food? */
3924 } 4007 }
3925 } 4008 }
3926 4009
3927 who->update_stats (); 4010 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} 4011}
3983 4012
3984void 4013void
3985apply_changes_to_player (object *pl, object *change) 4014apply_changes_to_player (object *pl, object *change)
3986{ 4015{
… …
4063 break; 4092 break;
4064 } 4093 }
4065 } 4094 }
4066} 4095}
4067 4096
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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