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Comparing deliantra/server/server/apply.C (file contents):
Revision 1.169 by root, Sun Sep 7 21:31:23 2008 UTC vs.
Revision 1.248 by root, Tue Apr 6 04:28:48 2010 UTC

1/* 1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992 Frank Tore Johansen
7 * 7 *
8 * Deliantra is free software: you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * it under the terms of the GNU General Public License as published by 9 * the terms of the Affero GNU General Public License as published by the
10 * the Free Software Foundation, either version 3 of the License, or 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * (at your option) any later version. 11 * option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 16 * GNU General Public License for more details.
17 * 17 *
18 * You should have received a copy of the GNU General Public License 18 * You should have received a copy of the Affero GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. 19 * and the GNU General Public License along with this program. If not, see
20 * <http://www.gnu.org/licenses/>.
20 * 21 *
21 * The authors can be reached via e-mail to <support@deliantra.net> 22 * The authors can be reached via e-mail to <support@deliantra.net>
22 */ 23 */
23 24
24#include <cmath> 25#include <cmath>
… …
29#include <skills.h> 30#include <skills.h>
30#include <tod.h> 31#include <tod.h>
31 32
32#include <sproto.h> 33#include <sproto.h>
33 34
34/* Want this regardless of rplay. */ 35typedef bitset<NUM_TYPES> types_t;
35#include <sounds.h>
36 36
37/** 37// these must be in the inventory before they can be applied
38 * Check if op should abort moving victim because of it's race or slaying.
39 * Returns 1 if it should abort, returns 0 if it should continue.
40 */
41int
42should_director_abort (object *op, object *victim)
43{
44 int arch_flag, name_flag, race_flag;
45 38
46 /* Get flags to determine what of arch, name, and race should be checked. 39static const struct may_attempt_inv : types_t
47 * This is stored in subtype, and is a bitmask, the LSB is the arch flag, 40{
48 * the next is the name flag, and the last is the race flag. Also note, 41 may_attempt_inv ()
49 * if subtype is set to zero, that also goes to defaults of all affecting
50 * it. Examples:
51 * subtype 1: only arch
52 * subtype 3: arch or name
53 * subtype 5: arch or race
54 * subtype 7: all three
55 */
56 if (op->subtype)
57 { 42 {
58 arch_flag = op->subtype & 1; 43 set (WEAPON);
59 name_flag = op->subtype & 2; 44 set (ARMOUR);
60 race_flag = op->subtype & 4; 45 set (BOOTS);
46 set (GLOVES);
47 set (AMULET);
48 set (GIRDLE);
49 set (BRACERS);
50 set (SHIELD);
51 set (HELMET);
52 set (RING);
53 set (CLOAK);
54 set (WAND);
55 set (ROD);
56 set (HORN);
57 set (SKILL);
58 set (SPELL);
59 set (BOW);
60 set (RANGED);
61 set (BUILDER);
62 set (SKILL_TOOL);
61 } 63 }
62 else 64} may_attempt_inv;
65
66// these only make sense for the player
67
68static const struct may_attempt_player : types_t
69{
70 may_attempt_player ()
63 { 71 {
64 arch_flag = 1; 72 set (EXIT);
65 name_flag = 1; 73 set (BOOK);
66 race_flag = 1; 74 set (SKILLSCROLL);
75 set (SPELLBOOK);
76 set (TREASURE);
77 set (SAVEBED);
78 set (ARMOUR_IMPROVER);
79 set (WEAPON_IMPROVER);
80 set (CLOCK);
81 set (MENU);
82 set (LIGHTER); /* for lighting torches/lanterns/etc */
83 set (INSCRIBABLE);
84 set (SIGN);
85 set (BOOK);
67 } 86 }
87} may_attempt_player;
68 88
69 /* If the director has race set, only affect objects with a arch, 89// applying these _can_ be attempted, others cannot
70 * name or race that matches. 90// be applied at all. used by e.g. apply below.
71 */
72 if ((op->race) &&
73 ((!(victim->arch && arch_flag && victim->arch->archname) || op->race != victim->arch->archname)) &&
74 ((!(victim->name && name_flag) || op->race != victim->name)) &&
75 ((!(victim->race && race_flag) || op->race != victim->race)))
76 return 1;
77 91
78 /* If the director has slaying set, only affect objects where none 92static const struct may_attempt : types_t
79 * of arch, name, or race match.
80 */
81 if ((op->slaying) && (((victim->arch && arch_flag && victim->arch->archname && op->slaying == victim->arch->archname))) ||
82 ((victim->name && name_flag && op->slaying == victim->name)) ||
83 ((victim->race && race_flag && op->slaying == victim->race)))
84 return 1;
85
86 return 0;
87}
88
89/**
90 * This handles a player dropping money on an altar to identify stuff.
91 * It'll identify marked item, if none all items up to dropped money.
92 * Return value: 1 if money was destroyed, 0 if not.
93 */
94static int
95apply_id_altar (object *money, object *altar, object *pl)
96{ 93{
97 dynbuf_text buf; 94 may_attempt ()
98 95 : types_t ((types_t)may_attempt_player | (types_t)may_attempt_inv)
99 if (!pl || pl->type != PLAYER)
100 return 0;
101
102 /* Check for MONEY type is a special hack - it prevents 'nothing needs
103 * identifying' from being printed out more than it needs to be.
104 */
105 if (!check_altar_sacrifice (altar, money) || money->type != MONEY)
106 return 0;
107
108 /* if the player has a marked item, identify that if it needs to be
109 * identified. If it doesn't, then go through the player inventory.
110 */
111 if (object *marked = find_marked_object (pl))
112 if (!QUERY_FLAG (marked, FLAG_IDENTIFIED) && need_identify (marked))
113 {
114 if (operate_altar (altar, &money))
115 {
116 identify (marked);
117
118 buf.printf ("You have %s.\r", long_desc (marked, pl));
119 if (marked->msg)
120 buf << "The item has a story:\r" << marked->msg << "\n\n";
121
122 return !money;
123 }
124 }
125
126 for (object *id = pl->inv; id; id = id->below)
127 { 96 {
128 if (!QUERY_FLAG (id, FLAG_IDENTIFIED) && !id->invisible && need_identify (id)) 97 set (T_HANDLE);
129 { 98 set (TRIGGER);
130 if (operate_altar (altar, &money)) 99 set (SCROLL);
131 { 100 set (POTION);
132 identify (id); 101 set (CLOSE_CON);
133 102 set (CONTAINER);
134 buf.printf ("You have %s.\r", long_desc (id, pl)); 103 set (LAMP);
135 if (id->msg) 104 set (TORCH);
136 buf << "The item has a story:\r" << id->msg << "\n\n"; 105 set (DRINK);
137 106 set (FOOD);
138 /* If no more money, might as well quit now */ 107 set (FLESH);
139 if (!money || !check_altar_sacrifice (altar, money)) 108 set (POISON);
140 break; 109 set (POWER_CRYSTAL);
141 } 110 set (ITEM_TRANSFORMER);
142 else
143 {
144 LOG (llevError, "check_id_altar: Couldn't do sacrifice when we should have been able to\n");
145 break;
146 }
147 }
148 } 111 }
149 112} may_attempt;
150 if (buf.empty ())
151 pl->failmsg ("You have nothing that needs identifying");
152 else
153 pl->contr->infobox (MSG_CHANNEL ("identify"), buf);
154
155 return !money;
156}
157
158/**
159 * This checks whether the object has a "on_use_yield" field, and if so generated and drops
160 * matching item.
161 **/
162void
163handle_apply_yield (object *tmp)
164{
165 if (shstr 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 object *fball;
321
322 op->failmsg ("Yech! Your lungs are on fire!");
323
324 /* Explodes a fireball centered at player */
325 fball = get_archetype (EXPLODING_FIREBALL);
326 fball->dam_modifier = random_roll (1, op->level, op, PREFER_LOW) / 5 + 1;
327 fball->stats.maxhp = random_roll (1, op->level, op, PREFER_LOW) / 10 + 2;
328 fball->x = op->x;
329 fball->y = op->y;
330 insert_ob_in_map (fball, op->map, NULL, 0);
331 }
332 else
333 cast_spell (op, tmp, op->facing, tmp->inv, NULL);
334
335 tmp->decrease ();
336
337 /* if youre dead, no point in doing this... */
338 if (!QUERY_FLAG (op, FLAG_REMOVED))
339 op->update_stats ();
340
341 return 1;
342 }
343
344 /* Deal with protection potions */
345 force = NULL;
346 for (i = 0; i < NROFATTACKS; i++)
347 {
348 if (tmp->resist[i])
349 {
350 if (!force)
351 force = get_archetype (FORCE_NAME);
352
353 memcpy (force->resist, tmp->resist, sizeof (tmp->resist));
354 force->type = POTION_EFFECT;
355 break; /* Only need to find one protection since we copy entire batch */
356 }
357 }
358
359 /* This is a protection potion */
360 if (force)
361 {
362 /* cursed items last longer */
363 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
364 {
365 force->stats.food *= 10;
366 for (i = 0; i < NROFATTACKS; i++)
367 if (force->resist[i] > 0)
368 force->resist[i] = -force->resist[i]; /* prot => vuln */
369 }
370
371 force->speed_left = -1;
372 force = insert_ob_in_ob (force, op);
373 CLEAR_FLAG (tmp, FLAG_APPLIED);
374 SET_FLAG (force, FLAG_APPLIED);
375 change_abil (op, force);
376 tmp->decrease ();
377 return 1;
378 }
379
380 /* Only thing left are the stat potions */
381 if (op->type == PLAYER)
382 { /* only for players */
383 if ((QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED)) && tmp->value != 0)
384 CLEAR_FLAG (tmp, FLAG_APPLIED);
385 else
386 SET_FLAG (tmp, FLAG_APPLIED);
387
388 if (!change_abil (op, tmp))
389 op->statusmsg ("Nothing happened.");
390 }
391
392 /* CLEAR_FLAG is so that if the character has other potions
393 * that were grouped with the one consumed, his
394 * stat will not be raised by them. fix_player just clears
395 * up all the stats.
396 */
397 CLEAR_FLAG (tmp, FLAG_APPLIED);
398 op->update_stats ();
399 tmp->decrease ();
400 return 1;
401}
402 113
403/**************************************************************************** 114/****************************************************************************
404 * Weapon improvement code follows 115 * Weapon improvement code follows
405 ****************************************************************************/ 116 ****************************************************************************/
406 117
407/** 118/**
119 * This function just checks whether who can handle equipping an item
120 * with item_power.
121 */
122static bool
123check_item_power (object *who, int item_power)
124{
125 if (who->type == PLAYER
126 && item_power
127 && item_power + who->contr->item_power > settings.item_power_factor * who->level)
128 return false;
129 else
130 return true;
131}
132
133/**
408 * This returns the sum of nrof of item (arch name). 134 * This returns the sum of nrof of item (arch name).
409 */ 135 */
410static int 136static int
411check_item (object *op, const char *item) 137check_item (object *op, shstr_cmp item)
412{ 138{
413 int count = 0; 139 int count = 0;
414 140
415 if (!item) 141 if (!item)
416 return 0; 142 return 0;
417 143
418 for (op = op->below; op; op = op->below) 144 for (op = op->below; op; op = op->below)
419 {
420 if (strcmp (op->arch->archname, item) == 0) 145 if (op->arch->archname == item)
421 {
422 if (!QUERY_FLAG (op, FLAG_CURSED) && !QUERY_FLAG (op, FLAG_DAMNED) 146 if (!QUERY_FLAG (op, FLAG_CURSED) && !QUERY_FLAG (op, FLAG_DAMNED)
423 /* Loophole bug? -FD- */ && !QUERY_FLAG (op, FLAG_UNPAID)) 147 && /* Loophole bug? -FD- */ !QUERY_FLAG (op, FLAG_UNPAID))
424 {
425 if (op->nrof == 0) /* this is necessary for artifact sacrifices --FD-- */
426 count++;
427 else
428 count += op->nrof; 148 count += op->number_of ();
429 }
430 }
431 }
432 149
433 return count; 150 return count;
434} 151}
435 152
436/** 153/**
… …
438 * op is typically the player, which is only 155 * op is typically the player, which is only
439 * really used to determine what space to look at. 156 * really used to determine what space to look at.
440 * Modified to only eat 'nrof' of objects. 157 * Modified to only eat 'nrof' of objects.
441 */ 158 */
442static void 159static void
443eat_item (object *op, const char *item, uint32 nrof) 160eat_item (object *op, shstr_cmp item, uint32 nrof)
444{ 161{
445 object *prev; 162 object *prev;
446 163
447 prev = op; 164 prev = op;
448 op = op->below; 165 op = op->below;
449 166
450 while (op) 167 while (op)
451 { 168 {
452 if (strcmp (op->arch->archname, item) == 0) 169 if (op->arch->archname == item)
453 { 170 {
454 if (op->nrof >= nrof) 171 if (op->nrof >= nrof)
455 { 172 {
456 op->decrease (nrof); 173 op->decrease (nrof);
457 return; 174 return;
… …
466 } 183 }
467 184
468 prev = op; 185 prev = op;
469 op = op->below; 186 op = op->below;
470 } 187 }
471}
472
473/**
474 * This checks to see of the player (who) is sufficient level to use a weapon
475 * with improvs improvements (typically last_eat). We take an int here
476 * instead of the object so that the improvement code can pass along the
477 * increased value to see if the object is usuable.
478 * we return 1 (true) if the player can use the weapon.
479 */
480static int
481check_weapon_power (const object *who, int improvs)
482{
483/* Old code is below (commented out). Basically, since weapons are the only
484 * object players really have any control to improve, it's a bit harsh to
485 * require high level in some combat skill, so we just use overall level.
486 */
487#if 1
488 if (((who->level / 5) + 5) >= improvs)
489 return 1;
490 else
491 return 0;
492
493#else
494 int level = 0;
495
496 /* The skill system hands out wc and dam bonuses to fighters
497 * more generously than the old system (see fix_player). Thus
498 * we need to curtail the power of player enchanted weapons.
499 * I changed this to 1 improvement per "fighter" level/5 -b.t.
500 * Note: Nothing should break by allowing this ratio to be different or
501 * using normal level - it is just a matter of play balance.
502 */
503 if (who->type == PLAYER)
504 {
505 object *wc_obj = NULL;
506
507 for (wc_obj = who->inv; wc_obj; wc_obj = wc_obj->below)
508 if (wc_obj->type == SKILL && IS_COMBAT_SKILL (wc_obj->subtype) && wc_obj->level > level)
509 level = wc_obj->level;
510
511 if (!level)
512 {
513 LOG (llevError, "Error: Player: %s lacks wc experience object\n", who->name);
514 level = who->level;
515 }
516 }
517 else
518 level = who->level;
519
520 return (improvs <= ((level / 5) + 5));
521#endif
522} 188}
523 189
524/** 190/**
525 * Returns how many items of type improver->slaying there are under op. 191 * Returns how many items of type improver->slaying there are under op.
526 * Will display a message if none found, and 1 if improver->slaying is NULL. 192 * Will display a message if none found, and 1 if improver->slaying is NULL.
… …
582 248
583/** 249/**
584 * This does the prepare weapon scroll. 250 * This does the prepare weapon scroll.
585 * Checks for sacrifice, and so on. 251 * Checks for sacrifice, and so on.
586 */ 252 */
587int 253static int
588prepare_weapon (object *op, object *improver, object *weapon) 254prepare_weapon (object *op, object *improver, object *weapon)
589{ 255{
590 int sacrifice_count, i; 256 int sacrifice_count, i;
591 char buf[MAX_BUF]; 257 char buf[MAX_BUF];
592 258
… …
645 * 311 *
646 * We are hiding extra information about the weapon in the level and 312 * We are hiding extra information about the weapon in the level and
647 * last_eat numbers for an object. Hopefully this won't break anything ?? 313 * last_eat numbers for an object. Hopefully this won't break anything ??
648 * level == max improve last_eat == current improve 314 * level == max improve last_eat == current improve
649 */ 315 */
650int 316static int
651improve_weapon (object *op, object *improver, object *weapon) 317improve_weapon (object *op, object *improver, object *weapon)
652{ 318{
653 int sacrifice_count, sacrifice_needed = 0; 319 int sacrifice_count, sacrifice_needed = 0;
654 320
655 if (improver->stats.sp == IMPROVE_PREPARE) 321 if (improver->stats.sp == IMPROVE_PREPARE)
656 return prepare_weapon (op, improver, weapon); 322 return prepare_weapon (op, improver, weapon);
657 323
658 if (weapon->level == 0) 324 if (weapon->level == 0)
659 { 325 {
660 op->failmsg ("This weapon has not been prepared. H<You first ahve to prepare a weapon with a prepare weapon scroll.>"); 326 op->failmsg (
327 "This weapon has not been prepared."
328 " H<You first have to prepare a weapon with a prepare weapon scroll.>");
661 return 0; 329 return 0;
662 } 330 }
663 331
664 if (weapon->level == weapon->last_eat && weapon->item_power >= 100) 332 if (weapon->last_eat >= weapon->level // improvements used up
333 || weapon->item_power >= 100) // or item_power >= arbitrary limit of 100
665 { 334 {
666 op->failmsg ("This weapon cannot be improved any more."); 335 op->failmsg ("This weapon cannot be improved any more.");
667 return 0; 336 return 0;
668 } 337 }
669 338
670 if (QUERY_FLAG (weapon, FLAG_APPLIED) && !check_weapon_power (op, weapon->last_eat + 1)) 339 if (QUERY_FLAG (weapon, FLAG_APPLIED)
340 && !check_item_power (op, weapon->item_power + 1))
671 { 341 {
672 op->failmsg ("Improving the weapon will make it too " 342 op->failmsg ("Improving the weapon will make it too "
673 "powerful for you to use. Unready it if you " 343 "powerful for you to use. Unready it if you "
674 "really want to improve it."); 344 "really want to improve it.");
675 return 0; 345 return 0;
… …
753/** 423/**
754 * Handles the applying of improve/prepare/enchant weapon scroll. 424 * Handles the applying of improve/prepare/enchant weapon scroll.
755 * Checks a few things (not on a non-magic square, marked weapon, ...), 425 * Checks a few things (not on a non-magic square, marked weapon, ...),
756 * then calls improve_weapon to do the dirty work. 426 * then calls improve_weapon to do the dirty work.
757 */ 427 */
758int 428static int
759check_improve_weapon (object *op, object *tmp) 429check_improve_weapon (object *op, object *tmp)
760{ 430{
761 object *otmp; 431 object *otmp;
762 432
763 if (op->type != PLAYER) 433 if (op->type != PLAYER)
… …
810 * the armour value of the piece of equipment exceed either 480 * the armour value of the piece of equipment exceed either
811 * the users level or 90) 481 * the users level or 90)
812 * Modified by MSW for partial resistance. Only support 482 * Modified by MSW for partial resistance. Only support
813 * changing of physical area right now. 483 * changing of physical area right now.
814 */ 484 */
815int 485static int
816improve_armour (object *op, object *improver, object *armour) 486improve_armour (object *op, object *improver, object *armour)
817{ 487{
818 object *tmp; 488 object *tmp;
819 489
820 if (armour->magic >= settings.armor_max_enchant) 490 if (armour->magic >= settings.armor_max_enchant)
… …
904 * Takes one type of items and makes another. 574 * Takes one type of items and makes another.
905 * converter is the object that is doing the conversion. 575 * converter is the object that is doing the conversion.
906 * item is the object that triggered the converter - if it is not 576 * item is the object that triggered the converter - if it is not
907 * what the converter wants, this will not do anything. 577 * what the converter wants, this will not do anything.
908 */ 578 */
909static int 579int
910convert_item (object *item, object *converter) 580convert_item (object *item, object *converter)
911{ 581{
912 sint64 nr, price_in; 582 sint64 nr = 0, price_in;
913 583
914 if (item->flag [FLAG_UNPAID]) 584 if (item->flag [FLAG_UNPAID])
915 return 0; 585 return 0;
916 586
917 shstr conv_from = converter->slaying; 587 shstr conv_from = converter->slaying;
918 archetype *conv_to = converter->other_arch; 588 archetype *conv_to = converter->other_arch;
919 sint64 need = converter->stats.food; 589 sint64 need = converter->stats.food;
920 sint64 give = converter->stats.sp; 590 sint64 give = converter->stats.sp;
921 591
… …
995 item->nrof = give; 665 item->nrof = give;
996 666
997 if (nr) 667 if (nr)
998 item->nrof *= nr; 668 item->nrof *= nr;
999 669
1000 if (is_in_shop (converter)) 670 if (converter->flag [FLAG_PRECIOUS])
1001 SET_FLAG (item, FLAG_UNPAID); 671 SET_FLAG (item, FLAG_UNPAID);
672
673 if (converter->is_in_shop ())
674 {
675 // converters on shop floors don't work anymore, bug lets check for it
676 // and report in case someone still does it.
677 LOG (llevDebug, "ITEMBUG: broken converter, converters on shop floor don't work: %s\n",
678 converter->debug_desc ());
679 SET_FLAG (item, FLAG_UNPAID);
680 }
1002 else if (price_in < sint64 (item->nrof) * item->value) 681 else if (price_in < sint64 (item->nrof) * item->value)
1003 { 682 {
1004 LOG (llevDebug, "converter output price higher than input: %s at %s (%d, %d) in value %d, out value %d for %s\n", 683 LOG (llevDebug, "converter output price higher than input: %s at %s (%d, %d) in value %d, out value %d for %s\n",
1005 &converter->name, &converter->map->path, converter->x, converter->y, price_in, item->nrof * item->value, &item->name); 684 &converter->name, &converter->map->path, converter->x, converter->y, price_in, item->nrof * item->value, &item->name);
1006 /** 685 /**
… …
1022 * Handle apply on containers. 701 * Handle apply on containers.
1023 * By Eneq(@csd.uu.se). 702 * By Eneq(@csd.uu.se).
1024 * Moved to own function and added many features [Tero.Haatanen@lut.fi] 703 * Moved to own function and added many features [Tero.Haatanen@lut.fi]
1025 * added the alchemical cauldron to the code -b.t. 704 * added the alchemical cauldron to the code -b.t.
1026 */ 705 */
1027int 706static int
1028apply_container (object *op, object *sack) 707apply_container (object *op, object *sack)
1029{ 708{
1030 if (op->type != PLAYER || !op->contr->ns) 709 if (op->type != PLAYER || !op->contr->ns)
1031 return 0; /* This might change */ 710 return 0; /* This might change */
1032 711
… …
1045 } 724 }
1046 725
1047 // already applied == open on ground, or open in inv, or active in inv 726 // already applied == open on ground, or open in inv, or active in inv
1048 if (sack->flag [FLAG_APPLIED]) 727 if (sack->flag [FLAG_APPLIED])
1049 { 728 {
1050 if (op->container == sack) 729 if (op->container_ () == sack)
1051 { 730 {
1052 // open on ground or inv, so close 731 // open on ground or inv, so close
1053 op->close_container (); 732 op->close_container ();
1054 return 1; 733 return 1;
1055 } 734 }
… …
1098{ 777{
1099 /* Only players can make sacrifices on spell casting altars. */ 778 /* Only players can make sacrifices on spell casting altars. */
1100 if (altar->inv && (!originator || originator->type != PLAYER)) 779 if (altar->inv && (!originator || originator->type != PLAYER))
1101 return 0; 780 return 0;
1102 781
1103 if (operate_altar (altar, &sacrifice)) 782 if (operate_altar (altar, &sacrifice, originator))
1104 { 783 {
1105 /* Simple check. Unfortunately, it means you can't cast magic bullet 784 /* Simple check. Unfortunately, it means you can't cast magic bullet
1106 * with an altar. We call it a Potion - altars are stationary - it 785 * with an altar. We call it a Potion - altars are stationary - it
1107 * is up to map designers to use them properly. 786 * is up to map designers to use them properly.
1108 */ 787 */
… …
1117/* push_button (altar);*/ 796/* push_button (altar);*/
1118 } 797 }
1119 else 798 else
1120 { 799 {
1121 altar->value = 1; /* works only once */ 800 altar->value = 1; /* works only once */
1122 push_button (altar); 801 push_button (altar, originator);
1123 } 802 }
1124 803
1125 return !sacrifice; 804 return !sacrifice;
1126 } 805 }
1127 else 806 else
… …
1144 823
1145 SET_FLAG (op, FLAG_NO_APPLY); /* prevent loops */ 824 SET_FLAG (op, FLAG_NO_APPLY); /* prevent loops */
1146 825
1147 bool has_unpaid = false; 826 bool has_unpaid = false;
1148 827
1149 // quite inefficient to do this here twice, but the api doesn'T lend itself to 828 // quite inefficient to do this here twice, but the api doesn't lend itself to
1150 // a quick and small change :( 829 // a quick and small change :(
1151 for (object::depth_iterator item = op->begin (); item != op->end (); ++item) 830 for (object::depth_iterator item = op->begin (); item != op->end (); ++item)
1152 if (item->flag [FLAG_UNPAID]) 831 if (item->flag [FLAG_UNPAID])
1153 { 832 {
1154 has_unpaid = true; 833 has_unpaid = true;
1155 break; 834 break;
1156 } 835 }
1157 836
1158 if (op->type != PLAYER) 837 if (!op->is_player ())
1159 { 838 {
1160 /* Remove all the unpaid objects that may be carried here. 839 /* Remove all the unpaid objects that may be carried here.
1161 * This could be pets or monsters that are somehow in 840 * This could be pets or monsters that are somehow in
1162 * the shop. 841 * the shop.
1163 */ 842 */
… …
1167 846
1168 if (QUERY_FLAG (tmp, FLAG_UNPAID)) 847 if (QUERY_FLAG (tmp, FLAG_UNPAID))
1169 { 848 {
1170 int i = find_free_spot (tmp, op->map, op->x, op->y, 1, 9); 849 int i = find_free_spot (tmp, op->map, op->x, op->y, 1, 9);
1171 850
851 if (i >= 0)
1172 tmp->remove (); 852 tmp->move (i);
1173
1174 if (i == -1)
1175 i = 0;
1176
1177 tmp->map = op->map;
1178 tmp->x = op->x + freearr_x[i];
1179 tmp->y = op->y + freearr_y[i];
1180 insert_ob_in_map (tmp, op->map, op, 0);
1181 } 853 }
1182 } 854 }
1183 855
1184 /* Don't teleport things like spell effects */ 856 /* Don't teleport things like spell effects */
1185 if (QUERY_FLAG (op, FLAG_NO_PICK)) 857 if (QUERY_FLAG (op, FLAG_NO_PICK))
… …
1196 if (i != -1) 868 if (i != -1)
1197 rv = transfer_ob (op, op->x + freearr_x[i], op->y + freearr_y[i], 0, shop_mat); 869 rv = transfer_ob (op, op->x + freearr_x[i], op->y + freearr_y[i], 0, shop_mat);
1198 870
1199 return 0; 871 return 0;
1200 } 872 }
873
1201 /* Removed code that checked for multipart objects - it appears that 874 /* Removed code that checked for multipart objects - it appears that
1202 * the teleport function should be able to handle this just fine. 875 * the teleport function should be able to handle this just fine.
1203 */ 876 */
1204 rv = teleport (shop_mat, SHOP_MAT, op); 877 rv = teleport (shop_mat, SHOP_MAT, op);
1205 } 878 }
… …
1208 /* this is only used for players */ 881 /* this is only used for players */
1209 rv = teleport (shop_mat, SHOP_MAT, op); 882 rv = teleport (shop_mat, SHOP_MAT, op);
1210 883
1211 if (has_unpaid) 884 if (has_unpaid)
1212 op->contr->play_sound (sound_find ("shop_buy")); 885 op->contr->play_sound (sound_find ("shop_buy"));
1213 else if (is_in_shop (op)) 886 else if (op->is_in_shop ())
1214 op->contr->play_sound (sound_find ("shop_enter")); 887 op->contr->play_sound (sound_find ("shop_enter"));
1215 else 888 else
1216 op->contr->play_sound (sound_find ("shop_leave")); 889 op->contr->play_sound (sound_find ("shop_leave"));
1217 890
1218 if (shop_mat->msg) 891 if (shop_mat->msg)
1219 op->statusmsg (shop_mat->msg); 892 op->statusmsg (shop_mat->msg);
1220 /* This check below is a bit simplistic - generally it should be correct, 893 /* This check below is a bit simplistic - generally it should be correct,
1221 * but there is never a guarantee that the bottom space on the map is 894 * but there is never a guarantee that the bottom space on the map is
1222 * actually the shop floor. 895 * actually the shop floor.
1223 */ 896 */
1224 else if (!rv && !is_in_shop (op)) 897 else if (!rv && !op->is_in_shop ())
1225 { 898 {
1226 opinion = shopkeeper_approval (op->map, op); 899 opinion = shopkeeper_approval (op->map, op);
1227 900
1228 op->statusmsg ( 901 op->statusmsg (
1229 opinion >= 0.90 ? "The shopkeeper gives you a friendly wave." 902 opinion >= 0.90 ? "The shopkeeper gives you a friendly wave."
… …
1260 * Handles applying a sign. 933 * Handles applying a sign.
1261 */ 934 */
1262static void 935static void
1263apply_sign (object *op, object *sign, int autoapply) 936apply_sign (object *op, object *sign, int autoapply)
1264{ 937{
938 if (!op->is_player())
939 return;
940
1265 if (sign->has_dialogue ()) 941 if (sign->has_dialogue ())
1266 { 942 {
1267 op->statusmsg (form ("Maybe you should I<talk> to the %s instead?", &sign->name)); 943 op->statusmsg (format ("Maybe you should I<talk> to the %s instead?", &sign->name));
1268 return; 944 return;
1269 } 945 }
1270 946
1271 if (!sign->msg) 947 if (!sign->msg)
1272 { 948 {
1273 op->statusmsg ("Nothing is written on it."); 949 op->contr->infobox (MSG_CHANNEL ("examine"),
950 format ("T<%s>\n\n Nothing %sis written on it.",
951 &sign->name,
952 sign->name == sign->arch->name ? "" : "else "));
1274 return; 953 return;
1275 } 954 }
1276 955
1277 if (sign->stats.food) 956 if (sign->stats.food)
1278 { 957 {
1279 if (sign->last_eat >= sign->stats.food) 958 if (sign->last_eat >= sign->stats.food)
1280 { 959 {
1281 if (!sign->move_on) 960 if (!sign->move_on)
1282 op->statusmsg ("You cannot read it anymore."); 961 op->failmsg ("You cannot read it anymore.");
1283 962
1284 return; 963 return;
1285 } 964 }
1286 965
1287 if (!QUERY_FLAG (op, FLAG_WIZPASS)) 966 if (!QUERY_FLAG (op, FLAG_WIZPASS))
… …
1305 if (sign->sound) 984 if (sign->sound)
1306 ns->play_sound (sign->sound); 985 ns->play_sound (sign->sound);
1307 else if (autoapply) 986 else if (autoapply)
1308 ns->play_sound (sound_find ("msg_voice")); 987 ns->play_sound (sound_find ("msg_voice"));
1309 988
1310 if (ns->can_msg)
1311 op->contr->infobox (MSG_CHANNEL ("examine"), format ("T<%s>\n\n\n\n%s", &sign->name, &sign->msg)); 989 op->contr->infobox (MSG_CHANNEL ("examine"), format ("T<%s>\n\n%s", &sign->name, &sign->msg));
1312 else
1313 {
1314 readable_message_type *msgType = get_readable_message_type (sign);
1315 const char *somemsg = format ("%u %s", autoapply ? 1 : 0, &sign->msg);
1316 draw_ext_info (NDI_UNIQUE | NDI_NAVY, 0, op, msgType->message_type, msgType->message_subtype, somemsg, &sign->msg);
1317 }
1318 } 990 }
1319} 991}
1320 992
1321static void 993static void
1322move_apply_hole (object *trap, object *victim) 994move_apply_hole (object *trap, object *victim)
… …
1349 EXIT_Y (trap) + freearr_y[dir], 1021 EXIT_Y (trap) + freearr_y[dir],
1350 0, victim); 1022 0, victim);
1351} 1023}
1352 1024
1353/** 1025/**
1354 * 'victim' moves onto 'trap'
1355 * 'victim' leaves 'trap'
1356 * effect is determined by move_on/move_off of trap and move_type of victime.
1357 *
1358 * originator: Player, monster or other object that caused 'victim' to move
1359 * onto 'trap'. Will receive messages caused by this action. May be NULL.
1360 * However, some types of traps require an originator to function.
1361 */
1362void
1363move_apply (object *trap, object *victim, object *originator)
1364{
1365 static int recursion_depth = 0;
1366
1367 /* Only exits affect DMs. */
1368 if (QUERY_FLAG (victim, FLAG_WIZPASS) && trap->type != EXIT && trap->type != SIGN)
1369 return;
1370
1371 /* move_apply() is the most likely candidate for causing unwanted and
1372 * possibly unlimited recursion.
1373 */
1374 /* The following was changed because it was causing perfeclty correct
1375 * maps to fail. 1) it's not an error to recurse:
1376 * rune detonates, summoning monster. monster lands on nearby rune.
1377 * nearby rune detonates. This sort of recursion is expected and
1378 * proper. This code was causing needless crashes.
1379 */
1380 if (recursion_depth >= 500)
1381 {
1382 LOG (llevDebug, "WARNING: move_apply(): aborting recursion "
1383 "[trap arch %s, name %s; victim arch %s, name %s]\n", &trap->arch->archname, &trap->name, &victim->arch->archname, &victim->name);
1384 return;
1385 }
1386
1387 recursion_depth++;
1388 if (trap->head)
1389 trap = trap->head;
1390
1391 if (INVOKE_OBJECT (MOVE_TRIGGER, trap, ARG_OBJECT (victim), ARG_OBJECT (originator)))
1392 goto leave;
1393
1394 switch (trap->type)
1395 {
1396 case PLAYERMOVER:
1397 if (trap->attacktype && (trap->level || victim->type != PLAYER) && !should_director_abort (trap, victim))
1398 {
1399 if (!trap->stats.maxsp)
1400 trap->stats.maxsp = 2;
1401
1402 /* Is this correct? From the docs, it doesn't look like it
1403 * should be divided by trap->speed
1404 */
1405 victim->speed_left = -FABS (trap->stats.maxsp * victim->speed / trap->speed);
1406
1407 /* Just put in some sanity check. I think there is a bug in the
1408 * above with some objects have zero speed, and thus the player
1409 * getting permanently paralyzed.
1410 */
1411 if (victim->speed_left < -50.f)
1412 victim->speed_left = -50.f;
1413 /* LOG(llevDebug, "apply, playermove, player speed_left=%f\n", victim->speed_left); */
1414 }
1415 goto leave;
1416
1417 case SPINNER:
1418 if (victim->direction)
1419 {
1420 victim->direction = absdir (victim->direction - trap->stats.sp);
1421 update_turn_face (victim);
1422 }
1423 goto leave;
1424
1425 case DIRECTOR:
1426 if (victim->direction && !should_director_abort (trap, victim))
1427 {
1428 victim->direction = trap->stats.sp;
1429 update_turn_face (victim);
1430 }
1431 goto leave;
1432
1433 case BUTTON:
1434 case PEDESTAL:
1435 update_button (trap);
1436 goto leave;
1437
1438 case ALTAR:
1439 /* sacrifice victim on trap */
1440 apply_altar (trap, victim, originator);
1441 goto leave;
1442
1443 case THROWN_OBJ:
1444 if (trap->inv == NULL)
1445 goto leave;
1446 /* fallthrough */
1447
1448 case ARROW:
1449 /* bad bug: monster throw a object, make a step forwards, step on object ,
1450 * trigger this here and get hit by own missile - and will be own enemy.
1451 * Victim then is his own enemy and will start to kill herself (this is
1452 * removed) but we have not synced victim and his missile. To avoid senseless
1453 * action, we avoid hits here
1454 */
1455 if ((QUERY_FLAG (victim, FLAG_ALIVE) && trap->speed) && trap->owner != victim)
1456 hit_with_arrow (trap, victim);
1457 goto leave;
1458
1459 case SPELL_EFFECT:
1460 apply_spell_effect (trap, victim);
1461 goto leave;
1462
1463 case TRAPDOOR:
1464 {
1465 int max, sound_was_played;
1466 object *ab, *ab_next;
1467
1468 if (!trap->value)
1469 {
1470 int tot;
1471
1472 for (ab = trap->above, tot = 0; ab; ab = ab->above)
1473 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
1474 tot += ab->head_ ()->total_weight ();
1475
1476 if (!(trap->value = (tot > trap->weight) ? 1 : 0))
1477 goto leave;
1478
1479 SET_ANIMATION (trap, trap->value);
1480 update_object (trap, UP_OBJ_FACE);
1481 }
1482
1483 for (ab = trap->above, max = 100, sound_was_played = 0; --max && ab; ab = ab_next)
1484 {
1485 /* need to set this up, since if we do transfer the object,
1486 * ab->above would be bogus
1487 */
1488 ab_next = ab->above;
1489
1490 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
1491 {
1492 if (!sound_was_played)
1493 {
1494 trap->play_sound (trap->sound ? trap->sound : sound_find ("fall_hole"));
1495 sound_was_played = 1;
1496 }
1497
1498 ab->statusmsg ("You fall into a trapdoor!", NDI_RED);
1499 transfer_ob (ab, EXIT_X (trap), EXIT_Y (trap), 0, ab);
1500 }
1501 }
1502 goto leave;
1503 }
1504
1505 case CONVERTER:
1506 if (convert_item (victim, trap) < 0)
1507 {
1508 originator->failmsg (format ("The %s seems to be broken!", query_name (trap)));
1509 archetype::get (shstr_burnout)->insert_at (trap, trap);
1510 }
1511
1512 goto leave;
1513
1514 case TRIGGER_BUTTON:
1515 case TRIGGER_PEDESTAL:
1516 case TRIGGER_ALTAR:
1517 check_trigger (trap, victim);
1518 goto leave;
1519
1520 case DEEP_SWAMP:
1521 walk_on_deep_swamp (trap, victim);
1522 goto leave;
1523
1524 case CHECK_INV:
1525 check_inv (victim, trap);
1526 goto leave;
1527
1528 case HOLE:
1529 move_apply_hole (trap, victim);
1530 goto leave;
1531
1532 case EXIT:
1533 if (victim->type == PLAYER && EXIT_PATH (trap))
1534 {
1535 /* Basically, don't show exits leading to random maps the
1536 * players output.
1537 */
1538 if (trap->msg && strncmp (EXIT_PATH (trap), "/!", 2))
1539 victim->statusmsg (trap->msg, NDI_NAVY);
1540
1541 trap->play_sound (trap->sound);
1542 victim->enter_exit (trap);
1543 }
1544 goto leave;
1545
1546 case ENCOUNTER:
1547 /* may be some leftovers on this */
1548 goto leave;
1549
1550 case SHOP_MAT:
1551 apply_shop_mat (trap, victim);
1552 goto leave;
1553
1554 /* Drop a certain amount of gold, and have one item identified */
1555 case IDENTIFY_ALTAR:
1556 apply_id_altar (victim, trap, originator);
1557 goto leave;
1558
1559 case SIGN:
1560 if (victim->type != PLAYER && trap->stats.food > 0)
1561 goto leave; /* monsters musn't apply magic_mouths with counters */
1562
1563 apply_sign (victim, trap, 1);
1564 goto leave;
1565
1566 case CONTAINER:
1567 apply_container (victim, trap);
1568 goto leave;
1569
1570 case RUNE:
1571 case TRAP:
1572 if (trap->level && QUERY_FLAG (victim, FLAG_ALIVE))
1573 spring_trap (trap, victim);
1574 goto leave;
1575
1576 default:
1577 LOG (llevDebug, "name %s, arch %s, type %d with fly/walk on/off not "
1578 "handled in move_apply()\n", &trap->name, &trap->arch->archname, trap->type);
1579 goto leave;
1580 }
1581
1582leave:
1583 recursion_depth--;
1584}
1585
1586/**
1587 * Handles reading a regular (ie not containing a spell) book.
1588 */
1589static void
1590apply_book (object *op, object *tmp)
1591{
1592 int lev_diff;
1593 object *skill_ob;
1594
1595 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
1596 {
1597 op->failmsg ("You are unable to read while blind!");
1598 return;
1599 }
1600
1601 if (!tmp->msg)
1602 {
1603 op->failmsg (format ("You open the %s and find it empty.", &tmp->name));
1604 return;
1605 }
1606
1607 /* need a literacy skill to read stuff! */
1608 skill_ob = find_skill_by_name (op, tmp->skill);
1609 if (!skill_ob)
1610 {
1611 op->failmsg (format ("You are unable to decipher the strange symbols. H<You lack the %s skill to read this.>", &tmp->skill));
1612 return;
1613 }
1614
1615 lev_diff = tmp->level - (skill_ob->level + 5);
1616 if (!QUERY_FLAG (op, FLAG_WIZ) && lev_diff > 0)
1617 {
1618 op->failmsg (lev_diff < 2 ? "This book is just barely beyond your comprehension."
1619 : lev_diff < 3 ? "This book is slightly beyond your comprehension."
1620 : lev_diff < 5 ? "This book is beyond your comprehension."
1621 : lev_diff < 8 ? "This book is quite a bit beyond your comprehension."
1622 : lev_diff < 15 ? "This book is way beyond your comprehension."
1623 : "This book is totally beyond your comprehension.");
1624 return;
1625 }
1626
1627 readable_message_type *msgType = get_readable_message_type (tmp);
1628
1629 if (player *pl = op->contr)
1630 if (client *ns = pl->ns)
1631 if (ns->can_msg)
1632 pl->infobox (MSG_CHANNEL ("book"), format ("T<%s>\n\n\n\n%s", (char *)long_desc (tmp, op), &tmp->msg));
1633 else
1634 draw_ext_info_format (NDI_UNIQUE | NDI_NAVY, 0, op,
1635 msgType->message_type, msgType->message_subtype,
1636 "You open the %s and start reading.\n%s", (char *)"%s\n%s",
1637 long_desc (tmp, op), &tmp->msg);
1638
1639 /* gain xp from reading */
1640 if (!QUERY_FLAG (tmp, FLAG_NO_SKILL_IDENT))
1641 { /* only if not read before */
1642 int exp_gain = calc_skill_exp (op, tmp, skill_ob);
1643
1644 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
1645 {
1646 /*exp_gain *= 2; because they just identified it too */
1647 SET_FLAG (tmp, FLAG_IDENTIFIED);
1648
1649 if (object *pl = tmp->visible_to ())
1650 esrv_update_item (UPD_FLAGS | UPD_NAME, pl, tmp);
1651 }
1652
1653 change_exp (op, exp_gain, skill_ob->skill, 0);
1654 SET_FLAG (tmp, FLAG_NO_SKILL_IDENT); /* so no more xp gained from this book */
1655 }
1656}
1657
1658/**
1659 * Handles the applying of a skill scroll, calling learn_skill straight.
1660 * op is the person learning the skill, tmp is the skill scroll object
1661 */
1662static void
1663apply_skillscroll (object *op, object *tmp)
1664{
1665 switch (learn_skill (op, tmp))
1666 {
1667 case 0:
1668 op->play_sound (sound_find ("generic_fail"));
1669 op->failmsg (format ("You already possess the knowledge held within the %s.", query_name (tmp)));
1670 break;
1671
1672 case 1:
1673 tmp->decrease ();
1674 op->play_sound (sound_find ("skill_learn"));
1675 op->statusmsg (format ("You succeed in learning %s", &tmp->skill));
1676 break;
1677
1678 default:
1679 tmp->decrease ();
1680 op->play_sound (sound_find ("generic_fail"));
1681 op->failmsg (format ("You fail to learn the knowledge of the %s.\n", query_name (tmp)));
1682 break;
1683 }
1684}
1685
1686/**
1687 * Actually makes op learn spell.
1688 * Informs player of what happens.
1689 */
1690void
1691do_learn_spell (object *op, object *spell, int special_prayer)
1692{
1693 object *tmp;
1694
1695 if (op->type != PLAYER)
1696 {
1697 LOG (llevError, "BUG: do_learn_spell(): not a player\n");
1698 return;
1699 }
1700
1701 /* Upgrade special prayers to normal prayers */
1702 if ((tmp = check_spell_known (op, spell->name)) != NULL)
1703 {
1704 if (special_prayer && !QUERY_FLAG (tmp, FLAG_STARTEQUIP))
1705 {
1706 LOG (llevError, "BUG: do_learn_spell(): spell already known, but not marked as startequip\n");
1707 return;
1708 }
1709 return;
1710 }
1711
1712 op->contr->play_sound (sound_find ("learn_spell"));
1713
1714 tmp = spell->clone ();
1715 insert_ob_in_ob (tmp, op);
1716
1717 if (special_prayer)
1718 SET_FLAG (tmp, FLAG_STARTEQUIP);
1719
1720 esrv_add_spells (op->contr, tmp);
1721}
1722
1723/**
1724 * Erases spell from player's inventory.
1725 */
1726void
1727do_forget_spell (object *op, const char *spell)
1728{
1729 object *spob;
1730
1731 if (op->type != PLAYER)
1732 {
1733 LOG (llevError, "BUG: do_forget_spell(): not a player\n");
1734 return;
1735 }
1736 if ((spob = check_spell_known (op, spell)) == NULL)
1737 {
1738 LOG (llevError, "BUG: do_forget_spell(): spell not known\n");
1739 return;
1740 }
1741
1742 op->failmsg (format ("You lose knowledge of %s.", spell));
1743 player_unready_range_ob (op->contr, spob);
1744 esrv_remove_spell (op->contr, spob);
1745 spob->destroy ();
1746}
1747
1748/**
1749 * Handles player applying a spellbook.
1750 * Checks whether player has knowledge of required skill, doesn't already know the spell,
1751 * stuff like that. Random learning failure too.
1752 */
1753static void
1754apply_spellbook (object *op, object *tmp)
1755{
1756 object *skop, *spell, *spell_skill;
1757
1758 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
1759 {
1760 op->failmsg ("You are unable to read while blind.");
1761 return;
1762 }
1763
1764 /* artifact_spellbooks have 'slaying' field point to a spell name,
1765 * instead of having their spell stored in stats.sp. These are
1766 * legacy spellbooks
1767 */
1768 if (tmp->slaying)
1769 {
1770 spell = arch_to_object (find_archetype_by_object_name (tmp->slaying));
1771 if (!spell)
1772 {
1773 op->failmsg (format ("The book's formula for %s is incomplete.", &tmp->slaying));
1774 return;
1775 }
1776 else
1777 insert_ob_in_ob (spell, tmp);
1778
1779 tmp->slaying = 0;
1780 }
1781
1782 skop = find_skill_by_name (op, tmp->skill);
1783
1784 /* need a literacy skill to learn spells. Also, having a literacy level
1785 * lower than the spell will make learning the spell more difficult */
1786 if (!skop)
1787 {
1788 op->failmsg (format ("You can't read! Your attempt fails. H<You lack the %s skill.>", &tmp->skill));
1789 return;
1790 }
1791
1792 spell = tmp->inv;
1793
1794 if (!spell)
1795 {
1796 LOG (llevError, "apply_spellbook: Book %s has no spell in it!\n", &tmp->name);
1797 op->failmsg ("The spellbook symbols make no sense. This is a bug, please report!");
1798 return;
1799 }
1800
1801 if (skop->level < int (sqrtf (spell->level) * 1.5f))
1802 {
1803 op->failmsg (format ("You are unable to decipher the strange symbols. H<Your %s level is too low.>", &tmp->skill));
1804 return;
1805 }
1806
1807 op->statusmsg (format ("The spellbook contains the %s level spell %s.", get_levelnumber (spell->level), &spell->name));
1808
1809 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
1810 identify (tmp);
1811
1812 /* I removed the check for special_prayer_mark here - it didn't make
1813 * a lot of sense - special prayers are not found in spellbooks, and
1814 * if the player doesn't know the spell, doesn't make a lot of sense that
1815 * they would have a special prayer mark.
1816 */
1817 if (check_spell_known (op, spell->name))
1818 {
1819 op->statusmsg ("You already know that spell. H<It makes no sense to learn spells twice, and would only waste the spellbook.>\n");
1820 return;
1821 }
1822
1823 if (spell->skill)
1824 {
1825 spell_skill = find_skill_by_name (op, spell->skill);
1826
1827 if (!spell_skill)
1828 {
1829 op->failmsg (format ("You lack the skill %s to use this spell.", &spell->skill));
1830 return;
1831 }
1832
1833 if (spell_skill->level < spell->level)
1834 {
1835 op->failmsg (format ("You need to be level %d in %s to learn this spell.", spell->level, &spell->skill));
1836 return;
1837 }
1838 }
1839
1840 /* Logic as follows
1841 *
1842 * 1- MU spells use Int to learn, Cleric spells use Wisdom
1843 *
1844 * 2- The learner's skill level in literacy adjusts the chance to learn
1845 * a spell.
1846 *
1847 * 3 -Automatically fail to learn if you read while confused
1848 *
1849 * Overall, chances are the same but a player will find having a high
1850 * literacy rate very useful! -b.t.
1851 */
1852 if (QUERY_FLAG (op, FLAG_CONFUSED))
1853 {
1854 op->failmsg ("In your confused state you flub the wording of the text!");
1855 scroll_failure (op, 0 - random_roll (0, spell->level, op, PREFER_LOW), MAX (spell->stats.sp, spell->stats.grace));
1856 }
1857 else if (QUERY_FLAG (tmp, FLAG_STARTEQUIP) ||
1858 (random_roll (0, 100, op, PREFER_LOW) - (5 * skop->level)) < learn_spell[spell->stats.grace ? op->stats.Wis : op->stats.Int])
1859 {
1860 op->statusmsg ("You succeed in learning the spell!", NDI_GREEN);
1861 do_learn_spell (op, spell, 0);
1862
1863 /* xp gain to literacy for spell learning */
1864 if (!QUERY_FLAG (tmp, FLAG_STARTEQUIP))
1865 change_exp (op, calc_skill_exp (op, tmp, skop), skop->skill, 0);
1866 }
1867 else
1868 {
1869 op->contr->play_sound (sound_find ("fumble_spell"));
1870 op->failmsg ("You fail to learn the spell. H<Wis (priests) or Int (wizards) governs the chance of learning a prayer or spell.>\n");
1871 }
1872
1873 tmp->decrease ();
1874}
1875
1876/**
1877 * Handles applying a spell scroll.
1878 */
1879void
1880apply_scroll (object *op, object *tmp, int dir)
1881{
1882 object *skop;
1883
1884 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
1885 {
1886 op->failmsg ("You are unable to read while blind.");
1887 return;
1888 }
1889
1890 if (!tmp->inv || tmp->inv->type != SPELL)
1891 {
1892 op->failmsg ("The scroll just doesn't make sense! H<...and never will make sense.>");
1893 return;
1894 }
1895
1896 if (op->type == PLAYER)
1897 {
1898 /* players need a literacy skill to read stuff! */
1899 int exp_gain = 0;
1900
1901 /* hard code literacy - tmp->skill points to where the exp
1902 * should go for anything killed by the spell.
1903 */
1904 skop = find_skill_by_name (op, skill_names[SK_LITERACY]);
1905
1906 if (!skop)
1907 {
1908 op->failmsg (format ("You are unable to decipher the strange symbols. H<You lack the %s skill.>", &skill_names[SK_LITERACY]));
1909 return;
1910 }
1911
1912 if ((exp_gain = calc_skill_exp (op, tmp, skop)))
1913 change_exp (op, exp_gain, skop->skill, 0);
1914 }
1915
1916 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
1917 identify (tmp);
1918
1919 op->statusmsg (format ("The scroll of %s turns to dust.", &tmp->inv->name));
1920
1921 cast_spell (op, tmp, dir, tmp->inv, NULL);
1922 tmp->decrease ();
1923}
1924
1925/**
1926 * Applies a treasure object - by default, chest. op
1927 * is the person doing the applying, tmp is the treasure
1928 * chest.
1929 */
1930static void
1931apply_treasure (object *op, object *tmp)
1932{
1933 /* Nice side effect of this treasure creation method is that the treasure
1934 * for the chest is done when the chest is created, and put into the chest
1935 * inventory. So that when the chest burns up, the items still exist. Also
1936 * prevents people from moving chests to more difficult maps to get better
1937 * treasure
1938 */
1939 object *treas = tmp->inv;
1940
1941 if (!treas)
1942 {
1943 op->statusmsg ("The chest was empty.");
1944 tmp->decrease ();
1945 return;
1946 }
1947
1948 while (tmp->inv)
1949 {
1950 treas = tmp->inv;
1951 treas->remove ();
1952
1953 treas->x = op->x;
1954 treas->y = op->y;
1955 treas = insert_ob_in_map (treas, op->map, op, INS_BELOW_ORIGINATOR);
1956
1957 if (treas && (treas->type == RUNE || treas->type == TRAP) && treas->level && QUERY_FLAG (op, FLAG_ALIVE))
1958 spring_trap (treas, op);
1959
1960 /* If either player or container was destroyed, no need to do
1961 * further processing. I think this should be enclused with
1962 * spring trap above, as I don't think there is otherwise
1963 * any way for the treasure chest or player to get killed.
1964 */
1965 if (op->destroyed () || tmp->destroyed ())
1966 break;
1967 }
1968
1969 if (!tmp->destroyed () && !tmp->inv)
1970 tmp->decrease ();
1971}
1972
1973/**
1974 * op eats food.
1975 * If player, takes care of messages and dragon special food.
1976 */
1977static void
1978apply_food (object *op, object *tmp)
1979{
1980 int capacity_remaining;
1981
1982 if (op->type != PLAYER)
1983 op->stats.hp = op->stats.maxhp;
1984 else
1985 {
1986 /* check if this is a dragon (player), eating some flesh */
1987 if (tmp->type == FLESH && is_dragon_pl (op) && dragon_eat_flesh (op, tmp))
1988 ;
1989 else
1990 {
1991 /* usual case - no dragon meal: */
1992 if (op->stats.food + tmp->stats.food > 999)
1993 {
1994 if (tmp->type == FOOD || tmp->type == FLESH)
1995 op->failmsg ("You feel full, but what a waste of food!");
1996 else
1997 op->statusmsg ("Most of the drink goes down your face not your throat!");
1998 }
1999
2000 tmp->play_sound (
2001 tmp->sound
2002 ? tmp->sound
2003 : tmp->type == DRINK
2004 ? sound_find ("eat_drink")
2005 : sound_find ("eat_food")
2006 );
2007
2008 if (!QUERY_FLAG (tmp, FLAG_CURSED))
2009 {
2010 const char *buf;
2011
2012 if (!is_dragon_pl (op))
2013 {
2014 /* eating message for normal players */
2015 if (tmp->type == DRINK)
2016 buf = format ("Ahhh...that %s tasted good.", &tmp->name);
2017 else
2018 buf = format ("The %s tasted %s", &tmp->name, tmp->type == FLESH ? "terrible!" : "good.");
2019 }
2020 else
2021 /* eating message for dragon players */
2022 buf = format ("The %s tasted terrible!", &tmp->name);
2023
2024 op->statusmsg (buf);
2025
2026 capacity_remaining = 999 - op->stats.food;
2027 op->stats.food += tmp->stats.food;
2028 if (capacity_remaining < tmp->stats.food)
2029 op->stats.hp += capacity_remaining / 50;
2030 else
2031 op->stats.hp += tmp->stats.food / 50;
2032
2033 if (op->stats.hp > op->stats.maxhp)
2034 op->stats.hp = op->stats.maxhp;
2035 if (op->stats.food > 999)
2036 op->stats.food = 999;
2037 }
2038
2039 /* special food hack -b.t. */
2040 if (tmp->title || QUERY_FLAG (tmp, FLAG_CURSED))
2041 eat_special_food (op, tmp);
2042 }
2043 }
2044
2045 handle_apply_yield (tmp);
2046 tmp->decrease ();
2047}
2048
2049/**
2050 * A dragon is eating some flesh. If the flesh contains resistances,
2051 * there is a chance for the dragon's skin to get improved.
2052 *
2053 * attributes:
2054 * object *op the object (dragon player) eating the flesh
2055 * object *meal the flesh item, getting chewed in dragon's mouth
2056 * return:
2057 * int 1 if eating successful, 0 if it doesn't work
2058 */
2059int
2060dragon_eat_flesh (object *op, object *meal)
2061{
2062 object *skin = NULL; /* pointer to dragon skin force */
2063 object *abil = NULL; /* pointer to dragon ability force */
2064 object *tmp = NULL; /* tmp. object */
2065
2066 double chance; /* improvement-chance of one resistance type */
2067 double totalchance = 1; /* total chance of gaining one resistance */
2068 double bonus = 0; /* level bonus (improvement is easier at lowlevel) */
2069 double mbonus = 0; /* monster bonus */
2070 int atnr_winner[NROFATTACKS]; /* winning candidates for resistance improvement */
2071 int winners = 0; /* number of winners */
2072 int i; /* index */
2073
2074 /* let's make sure and doublecheck the parameters */
2075 if (meal->type != FLESH || !is_dragon_pl (op))
2076 return 0;
2077
2078 /* now grab the 'dragon_skin'- and 'dragon_ability'-forces
2079 from the player's inventory */
2080 for (tmp = op->inv; tmp; tmp = tmp->below)
2081 if (tmp->type == FORCE)
2082 if (tmp->arch->archname == shstr_dragon_skin_force)
2083 skin = tmp;
2084 else if (tmp->arch->archname == shstr_dragon_ability_force)
2085 abil = tmp;
2086
2087 /* if either skin or ability are missing, this is an old player
2088 which is not to be considered a dragon -> bail out */
2089 if (skin == NULL || abil == NULL)
2090 return 0;
2091
2092 /* now start by filling stomache and health, according to food-value */
2093 if ((999 - op->stats.food) < meal->stats.food)
2094 op->stats.hp += (999 - op->stats.food) / 50;
2095 else
2096 op->stats.hp += meal->stats.food / 50;
2097
2098 if (op->stats.hp > op->stats.maxhp)
2099 op->stats.hp = op->stats.maxhp;
2100
2101 op->stats.food = MIN (999, op->stats.food + meal->stats.food);
2102
2103 /*LOG(llevDebug, "-> player: %d, flesh: %d\n", op->level, meal->level); */
2104
2105 /* on to the interesting part: chances for adding resistance */
2106 for (i = 0; i < NROFATTACKS; i++)
2107 {
2108 if (meal->resist[i] > 0 && atnr_is_dragon_enabled (i))
2109 {
2110 /* got positive resistance, now calculate improvement chance (0-100) */
2111
2112 /* this bonus makes resistance increase easier at lower levels */
2113 bonus = (settings.max_level - op->level) * 30. / ((double) settings.max_level);
2114 if (i == abil->stats.exp)
2115 bonus += 5; /* additional bonus for resistance of ability-focus */
2116
2117 /* monster bonus increases with level, because high-level
2118 flesh is too rare */
2119 mbonus = op->level * 20. / ((double) settings.max_level);
2120
2121 chance = (((double) MIN (op->level + bonus, meal->level + bonus + mbonus)) * 100. /
2122 ((double) settings.max_level)) - skin->resist[i];
2123
2124 if (chance >= 0.)
2125 chance += 1.;
2126 else
2127 chance = (chance < -12) ? 0. : 1. / pow (2., -chance);
2128
2129 /* chance is proportional to amount of resistance (max. 50) */
2130 chance *= ((double) (MIN (meal->resist[i], 50))) / 50.;
2131
2132 /* doubled chance for resistance of ability-focus */
2133 if (i == abil->stats.exp)
2134 chance = MIN (100., chance * 2.);
2135
2136 /* now make the throw and save all winners (Don't insert luck bonus here!) */
2137 if (rndm (10000) < (unsigned int) (chance * 100))
2138 {
2139 atnr_winner[winners] = i;
2140 winners++;
2141 }
2142
2143 if (chance >= 0.01)
2144 totalchance *= 1 - chance / 100;
2145
2146 /*LOG(llevDebug, " %s: bonus %.1f, chance %.1f\n", attacks[i], bonus, chance); */
2147 }
2148 }
2149
2150 /* inverse totalchance as until now we have the failure-chance */
2151 totalchance = 100 - totalchance * 100;
2152
2153 /* print message according to totalchance */
2154 const char *buf;
2155 if (totalchance > 50.)
2156 buf = format ("Hmm! The %s tasted delicious!", &meal->name);
2157 else if (totalchance > 10.)
2158 buf = format ("The %s tasted very good.", &meal->name);
2159 else if (totalchance > 1.)
2160 buf = format ("The %s tasted good.", &meal->name);
2161 else if (totalchance > 0.1)
2162 buf = format ("The %s tasted bland.", &meal->name);
2163 else if (totalchance >= 0.01)
2164 buf = format ("The %s had a boring taste.", &meal->name);
2165 else if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat))
2166 buf = format ("The %s tasted strange.", &meal->name);
2167 else
2168 buf = format ("The %s had no taste.", &meal->name);
2169
2170 op->statusmsg (buf);
2171
2172 /* now choose a winner if we have any */
2173 i = -1;
2174 if (winners > 0)
2175 i = atnr_winner[RANDOM () % winners];
2176
2177 if (i >= 0 && i < NROFATTACKS && skin->resist[i] < 95)
2178 {
2179 /* resistance increased! */
2180 skin->resist[i]++;
2181 op->update_stats ();
2182
2183 op->statusmsg (format ("Your skin is now more resistant to %s!", change_resist_msg[i]));
2184 }
2185
2186 /* if this flesh contains a new ability focus, we mark it
2187 into the ability_force and it will take effect on next level */
2188 if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat) && meal->last_eat != abil->last_eat)
2189 {
2190 abil->last_eat = meal->last_eat; /* write: last_eat <new attnr focus> */
2191
2192 if (meal->last_eat != abil->stats.exp)
2193 op->statusmsg (format (
2194 "Your metabolism prepares to focus on %s!\n"
2195 "The change will happen at level %d.",
2196 change_resist_msg[meal->last_eat],
2197 abil->level + 1
2198 ));
2199 else
2200 {
2201 op->statusmsg (format ("Your metabolism will continue to focus on %s.", change_resist_msg[meal->last_eat]));
2202 abil->last_eat = 0;
2203 }
2204 }
2205
2206 return 1;
2207}
2208
2209/**
2210 * Handles applying an improve armor scroll.
2211 * Does some sanity checks, then calls improve_armour.
2212 */
2213static void
2214apply_armour_improver (object *op, object *tmp)
2215{
2216 object *armor;
2217
2218 if (!QUERY_FLAG (op, FLAG_WIZCAST) && (get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_NO_MAGIC))
2219 {
2220 op->failmsg ("Something blocks the magic of the scroll. H<This area prevents magic effects.>");
2221 return;
2222 }
2223
2224 armor = find_marked_object (op);
2225
2226 if (!armor)
2227 {
2228 op->failmsg ("You need to mark an armor object. Use the right mouse button popup or the mark command to do this.");
2229 return;
2230 }
2231
2232 if (armor->type != ARMOUR
2233 && armor->type != CLOAK
2234 && armor->type != BOOTS && armor->type != GLOVES && armor->type != BRACERS && armor->type != SHIELD && armor->type != HELMET)
2235 {
2236 op->failmsg ("Your marked item is not armour!\n");
2237 return;
2238 }
2239
2240 op->statusmsg ("Applying armour enchantment.");
2241 improve_armour (op, tmp, armor);
2242}
2243
2244void
2245apply_poison (object *op, object *tmp)
2246{
2247 // need to do it now when it is still on the map
2248 handle_apply_yield (tmp);
2249
2250 object *poison = tmp->split (1);
2251
2252 if (op->type == PLAYER)
2253 {
2254 op->contr->play_sound (sound_find ("drink_poison"));
2255 op->failmsg ("Yech! That tasted poisonous!");
2256 op->contr->killer = poison;
2257 }
2258
2259 if (poison->stats.hp > 0)
2260 {
2261 LOG (llevDebug, "Trying to poison player/monster for %d hp\n", poison->stats.hp);
2262 hit_player (op, poison->stats.hp, tmp, AT_POISON, 1);
2263 }
2264
2265 op->stats.food -= op->stats.food / 4;
2266 poison->destroy ();
2267}
2268
2269/**
2270 * This function return true if the exit is not a 2 ways one or it is 2 ways, valid exit.
2271 * A valid 2 way exit means:
2272 * -You can come back (there is another exit at the other side)
2273 * -You are
2274 * ° the owner of the exit
2275 * ° or in the same party as the owner
2276 *
2277 * Note: a owner in a 2 way exit is saved as the owner's name
2278 * in the field exit->name cause the field exit->owner doesn't
2279 * survive in the swapping (in fact the whole exit doesn't survive).
2280 */
2281int
2282is_legal_2ways_exit (object *op, object *exit)
2283{
2284 if (exit->stats.exp != 1)
2285 return 1; /*This is not a 2 way, so it is legal */
2286
2287#if 0 //TODO
2288 if (!has_been_loaded (EXIT_PATH (exit)) && exit->race)
2289 return 0; /* This is a reset town portal */
2290#endif
2291
2292 LOG (llevError | logBacktrace, "sync map load due to %s\n", exit->debug_desc ());
2293
2294 maptile *exitmap = maptile::find_sync (EXIT_PATH (exit), exit->map);
2295
2296 if (exitmap)
2297 {
2298 exitmap->load_sync ();
2299
2300 object *tmp = exitmap->at (EXIT_X (exit), EXIT_Y (exit)).bot;
2301
2302 if (!tmp)
2303 return 0;
2304
2305 for (; tmp; tmp = tmp->above)
2306 {
2307 if (tmp->type != EXIT)
2308 continue; /*Not an exit */
2309
2310 if (!EXIT_PATH (tmp))
2311 continue; /*Not a valid exit */
2312
2313 if ((EXIT_X (tmp) != exit->x) || (EXIT_Y (tmp) != exit->y))
2314 continue; /*Not in the same place */
2315
2316 if (exit->map->path != EXIT_PATH (tmp))
2317 continue; /*Not in the same map */
2318
2319 /* From here we have found the exit is valid. However we do
2320 * here the check of the exit owner. It is important for the
2321 * town portals to prevent strangers from visiting your appartments
2322 */
2323 if (!exit->race)
2324 return 1; /*No owner, free for all! */
2325
2326 object *exit_owner = 0;
2327
2328 for_all_players (pp)
2329 {
2330 if (!pp->ob)
2331 continue;
2332
2333 if (pp->ob->name != exit->race)
2334 continue;
2335
2336 exit_owner = pp->ob; /*We found a player which correspond to the player name */
2337 break;
2338 }
2339
2340 if (!exit_owner)
2341 return 0; /* No more owner */
2342
2343 if (exit_owner->contr == op->contr)
2344 return 1; /*It is your exit */
2345
2346 if (exit_owner && /*There is a owner */
2347 (op->contr) && /*A player tries to pass */
2348 ((exit_owner->contr->party == NULL) || /*No pass if controller has no party */
2349 (exit_owner->contr->party != op->contr->party))) /* Or not the same as op */
2350 return 0;
2351
2352 return 1;
2353 }
2354 }
2355
2356 return 0;
2357}
2358
2359/**
2360 * Main apply handler.
2361 *
2362 * Checks for unpaid items before applying.
2363 *
2364 * Return value:
2365 * 0: player or monster can't apply objects of that type
2366 * 1: has been applied, or there was an error applying the object
2367 * 2: objects of that type can't be applied if not in inventory
2368 *
2369 * op is the object that is causing object to be applied, tmp is the object
2370 * being applied.
2371 *
2372 * aflag is special (always apply/unapply) flags. Nothing is done with
2373 * them in this function - they are passed to apply_special
2374 */
2375int
2376manual_apply (object *op, object *tmp, int aflag)
2377{
2378 tmp = tmp->head_ ();
2379
2380 if (QUERY_FLAG (tmp, FLAG_UNPAID) && !QUERY_FLAG (tmp, FLAG_APPLIED))
2381 {
2382 if (op->type == PLAYER)
2383 {
2384 op->failmsg ("You should pay for it first! H<You cannot use items marked as unpaid.>");
2385 return 1;
2386 }
2387 else
2388 return 0; /* monsters just skip unpaid items */
2389 }
2390
2391 if (INVOKE_OBJECT (APPLY, tmp, ARG_OBJECT (op)))
2392 return RESULT_INT (0);
2393
2394 switch (tmp->type)
2395 {
2396 case CF_HANDLE:
2397 op->play_sound (sound_find ("turn_handle"));
2398 op->statusmsg ("You turn the handle.");
2399 tmp->value = tmp->value ? 0 : 1;
2400 SET_ANIMATION (tmp, tmp->value);
2401 update_object (tmp, UP_OBJ_FACE);
2402 push_button (tmp);
2403 return 1;
2404
2405 case TRIGGER:
2406 if (check_trigger (tmp, op))
2407 {
2408 op->statusmsg ("You turn the handle.");
2409 op->play_sound (sound_find ("turn_handle"));
2410 }
2411 else
2412 op->failmsg ("The handle doesn't move.");
2413
2414 return 1;
2415
2416 case EXIT:
2417 if (op->type != PLAYER)
2418 return 0;
2419
2420 if (!EXIT_PATH (tmp) || !is_legal_2ways_exit (op, tmp))
2421 op->failmsg (format ("The %s is closed.", query_name (tmp)));
2422 else
2423 {
2424 /* Don't display messages for random maps. */
2425 if (tmp->msg && strncmp (EXIT_PATH (tmp), "/!", 2))
2426 op->statusmsg (tmp->msg, NDI_NAVY);
2427
2428 op->enter_exit (tmp);
2429 }
2430
2431 return 1;
2432
2433 case INSCRIBABLE:
2434 op->statusmsg (tmp->msg);
2435 // maybe show a spell menu to chose from or something like that
2436 return 1;
2437
2438 case SIGN:
2439 apply_sign (op, tmp, 0);
2440 return 1;
2441
2442 case BOOK:
2443 if (op->type == PLAYER)
2444 {
2445 apply_book (op, tmp);
2446 return 1;
2447 }
2448 else
2449 return 0;
2450
2451 case SKILLSCROLL:
2452 if (op->type == PLAYER)
2453 {
2454 apply_skillscroll (op, tmp);
2455 return 1;
2456 }
2457 else
2458 return 0;
2459
2460 case SPELLBOOK:
2461 if (op->type == PLAYER)
2462 {
2463 apply_spellbook (op, tmp);
2464 return 1;
2465 }
2466 else
2467 return 0;
2468
2469 case SCROLL:
2470 apply_scroll (op, tmp, 0);
2471 return 1;
2472
2473 case POTION:
2474 apply_potion (op, tmp);
2475 return 1;
2476
2477 /* Eneq(@csd.uu.se): Handle apply on containers. */
2478 //TODO: remove, as it is unsed?
2479 case CLOSE_CON:
2480 apply_container (op, tmp->env);
2481 return 1;
2482
2483 case CONTAINER:
2484 apply_container (op, tmp);
2485 return 1;
2486
2487 case TREASURE:
2488 if (op->type == PLAYER)
2489 {
2490 apply_treasure (op, tmp);
2491 return 1;
2492 }
2493 else
2494 return 0;
2495
2496 case WEAPON:
2497 case ARMOUR:
2498 case BOOTS:
2499 case GLOVES:
2500 case AMULET:
2501 case GIRDLE:
2502 case BRACERS:
2503 case SHIELD:
2504 case HELMET:
2505 case RING:
2506 case CLOAK:
2507 case WAND:
2508 case ROD:
2509 case HORN:
2510 case SKILL:
2511 case BOW:
2512 case LAMP:
2513 case BUILDER:
2514 case SKILL_TOOL:
2515 if (tmp->env != op)
2516 return 2; /* not in inventory */
2517
2518 apply_special (op, tmp, aflag);
2519 return 1;
2520
2521 case DRINK:
2522 case FOOD:
2523 case FLESH:
2524 apply_food (op, tmp);
2525 return 1;
2526
2527 case POISON:
2528 apply_poison (op, tmp);
2529 return 1;
2530
2531 case SAVEBED:
2532 return 1;
2533
2534 case ARMOUR_IMPROVER:
2535 if (op->type == PLAYER)
2536 {
2537 apply_armour_improver (op, tmp);
2538 return 1;
2539 }
2540 else
2541 return 0;
2542
2543 case WEAPON_IMPROVER:
2544 check_improve_weapon (op, tmp);
2545 return 1;
2546
2547 case CLOCK:
2548 if (op->type == PLAYER)
2549 {
2550 char buf[MAX_BUF];
2551 timeofday_t tod;
2552
2553 get_tod (&tod);
2554 op->play_sound (sound_find ("sound_clock"));
2555 op->statusmsg (format (
2556 "It is %d minute%s past %d o'clock %s",
2557 tod.minute + 1, ((tod.minute + 1 < 2) ? "" : "s"),
2558 ((tod.hour % 14 == 0) ? 14 : ((tod.hour) % 14)), ((tod.hour >= 14) ? "pm" : "am")
2559 ));
2560 return 1;
2561 }
2562 else
2563 return 0;
2564
2565 case MENU:
2566 if (op->type == PLAYER)
2567 {
2568 shop_listing (tmp, op);
2569 return 1;
2570 }
2571 else
2572 return 0;
2573
2574 case POWER_CRYSTAL:
2575 apply_power_crystal (op, tmp); /* see egoitem.c */
2576 return 1;
2577
2578 case LIGHTER: /* for lighting torches/lanterns/etc */
2579 if (op->type == PLAYER)
2580 {
2581 apply_lighter (op, tmp);
2582 return 1;
2583 }
2584 else
2585 return 0;
2586
2587 case ITEM_TRANSFORMER:
2588 apply_item_transformer (op, tmp);
2589 return 1;
2590
2591 default:
2592 return 0;
2593 }
2594}
2595
2596/* quiet suppresses the "don't know how to apply" and "you must get it first"
2597 * messages as needed by player_apply_below(). But there can still be
2598 * "but you are floating high above the ground" messages.
2599 *
2600 * Same return value as apply() function.
2601 */
2602int
2603player_apply (object *pl, object *op, int aflag, int quiet)
2604{
2605 if (!op->env && (pl->move_type & MOVE_FLYING))
2606 {
2607 /* player is flying and applying object not in inventory */
2608 if (!QUERY_FLAG (pl, FLAG_WIZ) && !(op->move_type & MOVE_FLYING))
2609 {
2610 pl->failmsg ("But you are floating high above the ground! "
2611 "H<You have to stop levitating first, if you can, either by using your levitation skill, "
2612 "or waiting till the levitation effect wears off.>");
2613 return 0;
2614 }
2615 }
2616
2617 pl->contr->last_used = op;
2618
2619 int tmp = manual_apply (pl, op, aflag);
2620
2621 if (!quiet)
2622 {
2623 if (tmp == 0)
2624 pl->statusmsg (format ("I don't know how to apply the %s.", query_name (op)));
2625 else if (tmp == 2)
2626 pl->failmsg ("You must get it first!\n");
2627 }
2628
2629 return tmp;
2630}
2631
2632/**
2633 * player_apply_below attempts to apply the object 'below' the player.
2634 * If the player has an open container, we use that for below, otherwise
2635 * we use the ground.
2636 */
2637void
2638player_apply_below (object *pl)
2639{
2640 int floors = 0;
2641
2642 /* If using a container, set the starting item to be the top
2643 * item in the container. Otherwise, use the map.
2644 * This is perhaps more complicated. However, I want to make sure that
2645 * we don't use a corrupt pointer for the next object, so we get the
2646 * next object in the stack before applying. This is can only be a
2647 * problem if player_apply() has a bug in that it uses the object but does
2648 * not return a proper value.
2649 */
2650 for (object *next, *tmp = pl->container ? pl->container->inv : pl->below; tmp; tmp = next)
2651 {
2652 next = tmp->below;
2653
2654 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
2655 floors++;
2656 else if (floors > 0)
2657 return; /* process only floor objects after first floor object */
2658
2659 /* If it is visible, player can apply it. If it is applied by
2660 * person moving on it, also activate. Added code to make it
2661 * so that at least one of players movement types be that which
2662 * the item needs.
2663 */
2664 if (!tmp->invisible || (tmp->move_on & pl->move_type))
2665 {
2666 if (player_apply (pl, tmp, 0, 1) == 1)
2667 return;
2668 }
2669 if (floors >= 2)
2670 return; /* process at most two floor objects */
2671 }
2672}
2673
2674/**
2675 * Unapplies specified item. 1026 * Unapplies specified item.
2676 * No check done on cursed/damned. 1027 * No check done on cursed/damned.
2677 * Break this out of apply_special - this is just done 1028 * Break this out of apply_special - this is just done
2678 * to keep the size of apply_special to a more managable size. 1029 * to keep the size of apply_special to a more managable size.
2679 */ 1030 */
2680static int 1031static bool
2681unapply_special (object *who, object *op, int aflags) 1032unapply_special (object *who, object *op, int aflags)
2682{ 1033{
2683 if (INVOKE_OBJECT (BE_UNREADY, op, ARG_OBJECT (who), ARG_INT (aflags)) 1034 if (INVOKE_OBJECT (BE_UNREADY, op, ARG_OBJECT (who), ARG_INT (aflags))
2684 || INVOKE_OBJECT (UNREADY, who, ARG_OBJECT (op), ARG_INT (aflags))) 1035 || INVOKE_OBJECT (UNREADY, who, ARG_OBJECT (op), ARG_INT (aflags)))
2685 return RESULT_INT (0); 1036 return RESULT_INT (0);
2686 1037
2687 CLEAR_FLAG (op, FLAG_APPLIED); 1038 if (who->current_weapon == op)
1039 who->current_weapon = 0;
1040
1041 op->flag [FLAG_APPLIED] = false;
2688 1042
2689 switch (op->type) 1043 switch (op->type)
2690 { 1044 {
2691 case SKILL_TOOL: 1045 case SKILL:
1046 if (player *pl = who->contr)
1047 if (op->invisible)
1048 pl->statusmsg (format ("You can no longer use the %s skill.", &op->skill));
1049 else
1050 pl->statusmsg (format ("You stop using the %s.", query_name (op)));
1051
1052 change_abil (who, op);
1053 who->flag [FLAG_READY_SKILL] = false;
1054 break;
1055
1056 case WEAPON:
1057 who->statusmsg (format ("You unwield %s.", query_name (op)));
1058 change_abil (who, op);
1059 who->flag [FLAG_READY_WEAPON] = false;
1060
2692 // unapplying a skill tool should also unapply the skill it governs 1061 // unapplying a weapon or skill tool should also unapply the skill it governs
2693 // but this is hard, as it shouldn't do so when the skill can 1062 // but this is hard, as it shouldn't do so when the skill can
2694 // be used for other reasons 1063 // be used for other reasons
2695 for (object *tmp = who->inv; tmp; tmp = tmp->below) 1064 if (who->chosen_skill)
2696 if (tmp->skill == op->skill 1065 if (!who->chosen_skill->flag [FLAG_CAN_USE_SKILL])
2697 && tmp->type == SKILL
2698 && tmp->flag [FLAG_APPLIED]
2699 && !tmp->flag [FLAG_CAN_USE_SKILL])
2700 unapply_special (who, tmp, 0); 1066 unapply_special (who, op, 0);
2701 1067
2702 change_abil (who, op);
2703 break; 1068 break;
2704 1069
1070 case BOW:
2705 case WEAPON: 1071 case WAND:
1072 case ROD:
1073 case HORN:
1074 case RANGED:
2706 if (player *pl = who->contr) 1075 if (player *pl = who->contr)
2707 if (op == pl->combat_ob)
2708 {
2709 pl->combat_ob = 0;
2710 who->change_weapon (pl->ranged_ob);
2711 }
2712
2713 who->statusmsg (format ("You unwield %s.", query_name (op)));
2714
2715 change_abil (who, op);
2716 CLEAR_FLAG (who, FLAG_READY_WEAPON);
2717 break;
2718
2719 case SKILL:
2720 if (who->contr)
2721 { 1076 {
2722 if (IS_COMBAT_SKILL (op->subtype)) 1077 who->statusmsg (format ("You unready %s.", query_name (op)));
2723 who->change_weapon (who->contr->combat_ob = 0); 1078 change_abil (who, op);
2724 else if (IS_RANGED_SKILL (op->subtype)) 1079 }
2725 who->change_weapon (who->contr->ranged_ob = 0); 1080 else
1081 {
1082 who->change_skill (0);
2726 1083
2727 if (op->invisible) 1084 if (op->type == BOW)
2728 who->statusmsg (format ("You can no longer use the skill: %s.", &op->skill)); 1085 op->flag [FLAG_READY_BOW ] = false;
2729 else 1086 else
2730 who->statusmsg (format ("You stop using the %s.", query_name (op))); 1087 op->flag [FLAG_READY_RANGE] = false;
2731 } 1088 }
2732 1089
2733 change_abil (who, op);
2734 CLEAR_FLAG (who, FLAG_READY_SKILL);
2735 break; 1090 break;
2736 1091
2737 case ARMOUR: 1092 case ARMOUR:
2738 case HELMET: 1093 case HELMET:
2739 case SHIELD: 1094 case SHIELD:
… …
2746 case CLOAK: 1101 case CLOAK:
2747 who->statusmsg (format ("You unwear %s.", query_name (op))); 1102 who->statusmsg (format ("You unwear %s.", query_name (op)));
2748 change_abil (who, op); 1103 change_abil (who, op);
2749 break; 1104 break;
2750 1105
2751 case LAMP: 1106 case SPELL:
2752 {
2753 who->statusmsg (format ("You turn off your %s.", &op->name));
2754
2755 object *tmp2 = arch_to_object (op->other_arch);
2756 tmp2->x = op->x;
2757 tmp2->y = op->y;
2758 tmp2->map = op->map;
2759 tmp2->below = op->below;
2760 tmp2->above = op->above;
2761 tmp2->stats.food = op->stats.food;
2762 CLEAR_FLAG (tmp2, FLAG_APPLIED);
2763
2764 if (QUERY_FLAG (op, FLAG_INV_LOCKED))
2765 SET_FLAG (tmp2, FLAG_INV_LOCKED);
2766
2767 op->destroy ();
2768 who->insert (tmp2);
2769 who->update_stats ();
2770
2771 if (who->contr)
2772 {
2773 if (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED))
2774 {
2775 who->failmsg ("Oops, it feels deadly cold!");
2776 SET_FLAG (tmp2, FLAG_KNOWN_CURSED);
2777 }
2778 }
2779 }
2780
2781 return 1; /* otherwise, an attempt to drop causes problems */
2782
2783 case BOW: 1107 case BUILDER:
2784 case WAND:
2785 case ROD:
2786 case HORN:
2787 if (player *pl = who->contr)
2788 {
2789 if (op == pl->ranged_ob)
2790 {
2791 pl->ranged_ob = 0;
2792 who->change_weapon (pl->combat_ob);
2793 }
2794
2795 who->statusmsg (format ("You unready %s.", query_name (op))); 1108 who->statusmsg (format ("You unready %s.", query_name (op)));
2796 }
2797 else
2798 {
2799 who->change_skill (0);
2800
2801 if (op->type == BOW)
2802 CLEAR_FLAG (who, FLAG_READY_BOW);
2803 else
2804 CLEAR_FLAG (who, FLAG_READY_RANGE);
2805 }
2806
2807 break; 1109 break;
2808 1110
2809 case BUILDER: 1111 //case SKILL_TOOL://TODO
2810 if (who->contr)
2811 who->statusmsg (format ("You unready %s.", query_name (op)));
2812 break;
2813
2814 default: 1112 default:
2815 who->statusmsg (format ("You unapply %s.", query_name (op))); 1113 who->statusmsg (format ("You unapply %s.", query_name (op)));
2816 break; 1114 break;
2817 } 1115 }
2818 1116
… …
2820 if (object *pl = op->visible_to ()) 1118 if (object *pl = op->visible_to ())
2821 esrv_send_item (pl, op); 1119 esrv_send_item (pl, op);
2822 1120
2823 who->update_stats (); 1121 who->update_stats ();
2824 1122
2825 return 0; 1123 return 1;
2826} 1124}
2827 1125
2828/** 1126/**
2829 * Returns the object that is using location 'loc'. 1127 * Returns the object that is using location 'loc'.
2830 * Note that 'start' is the first object to start examing - we 1128 * Note that 'start' is the first object to start examing - we
… …
2842static object * 1140static object *
2843get_next_item_from_body_location (int loc, object *start) 1141get_next_item_from_body_location (int loc, object *start)
2844{ 1142{
2845 for (object *tmp = start; tmp; tmp = tmp->below) 1143 for (object *tmp = start; tmp; tmp = tmp->below)
2846 if (tmp->flag [FLAG_APPLIED] 1144 if (tmp->flag [FLAG_APPLIED]
2847 && tmp->slot[loc].info 1145 && tmp->slot [loc].info
2848 && (!tmp->invisible || tmp->type == SKILL)) 1146 && (!tmp->invisible || tmp->type == SKILL || tmp->type == SPELL))
2849 return tmp; 1147 return tmp;
2850 1148
2851 return 0; 1149 return 0;
2852} 1150}
2853 1151
… …
2866#define CANNOT_REMOVE_CURSED \ 1164#define CANNOT_REMOVE_CURSED \
2867 "H<You cannot remove cursed or damned items, you first have to remove the curse. " \ 1165 "H<You cannot remove cursed or damned items, you first have to remove the curse. " \
2868 "Praying over an altar, scrolls of remove curse/damnation, " \ 1166 "Praying over an altar, scrolls of remove curse/damnation, " \
2869 "priests or even other players might help.>" 1167 "priests or even other players might help.>"
2870 1168
2871int 1169static bool
2872unapply_for_ob (object *who, object *op, int aflags) 1170unapply_for_ob (object *who, object *op, int aflags)
2873{ 1171{
2874 if (op->is_range ()) 1172 if (op->is_range ())
2875 for (object *tmp = who->inv; tmp; tmp = tmp->below) 1173 for (object *tmp = who->inv; tmp; tmp = tmp->below)
2876 if (QUERY_FLAG (tmp, FLAG_APPLIED) && tmp->is_range ()) 1174 if (QUERY_FLAG (tmp, FLAG_APPLIED) && tmp->is_range ())
… …
2998 continue; 1296 continue;
2999 } 1297 }
3000 1298
3001 object *tmp1 = get_next_item_from_body_location (i, who->inv); 1299 object *tmp1 = get_next_item_from_body_location (i, who->inv);
3002 if (!tmp1) 1300 if (!tmp1)
3003 {
3004#if 0
3005 /* This is sort of an error, but happens a lot when old players
3006 * join in with more stuff equipped than they are now allowed.
3007 */
3008 LOG (llevError, "Can't find object using location %d on %s\n", i, who->name);
3009#endif
3010 retval |= CAN_APPLY_NEVER; 1301 retval |= CAN_APPLY_NEVER;
3011 }
3012 else 1302 else
3013 { 1303 {
3014 /* need to unapply something. However, if this something 1304 /* need to unapply something. However, if this something
3015 * is different than we had found before, it means they need 1305 * is different than we had found before, it means they need
3016 * to apply multiple objects 1306 * to apply multiple objects
… …
3096 */ 1386 */
3097 1387
3098#define LACK_ITEM_POWER \ 1388#define LACK_ITEM_POWER \
3099 " H<You lack enough unused item power to use this weapon, see the skills command.>" 1389 " H<You lack enough unused item power to use this weapon, see the skills command.>"
3100 1390
3101int 1391static bool
3102apply_special (object *who, object *op, int aflags) 1392apply_special (object *who, object *op, int aflags)
3103{ 1393{
3104 int basic_flag = aflags & AP_BASIC_FLAGS; 1394 int basic_flag = aflags & AP_MODE;
3105 object *tmp, *tmp2, *skop = NULL; 1395 object *tmp, *tmp2, *skop = NULL;
3106 1396
3107 if (who == NULL) 1397 if (who == NULL)
3108 { 1398 {
3109 LOG (llevError, "apply_special() from object without environment.\n"); 1399 LOG (llevError, "apply_special() from object without environment.\n");
3110 return 1; 1400 return 1;
3111 } 1401 }
3112 1402
1403 //TODO: remove these when apply_special is no longer exposed
3113 if (op->env != who) 1404 if (op->env != who)
3114 return 1; /* op is not in inventory */ 1405 return 1; /* op is not in inventory */
3115 1406
3116 /* trying to unequip op */ 1407 /* trying to unequip op */
3117 if (QUERY_FLAG (op, FLAG_APPLIED)) 1408 if (QUERY_FLAG (op, FLAG_APPLIED))
… …
3128 1419
3129 return unapply_special (who, op, aflags); 1420 return unapply_special (who, op, aflags);
3130 } 1421 }
3131 else if (basic_flag == AP_UNAPPLY) 1422 else if (basic_flag == AP_UNAPPLY)
3132 return 0; 1423 return 0;
3133
3134 // if the item is combat/ranged, wield the relevant slot first
3135 // to resolve conflicts.
3136 if (player *pl = who->contr)
3137 switch (op->slottype ())
3138 {
3139 case slot_combat: who->change_weapon (pl->combat_ob); break;
3140 case slot_ranged: who->change_weapon (pl->ranged_ob); break;
3141 }
3142 1424
3143 splay (op); 1425 splay (op);
3144 1426
3145 /* Can't just apply this object. Lets see what not and what to do */ 1427 /* Can't just apply this object. Lets see what not and what to do */
3146 if (int i = can_apply_object (who, op)) 1428 if (int i = can_apply_object (who, op))
… …
3180 } 1462 }
3181 } 1463 }
3182 1464
3183 if (op->skill && op->type != SKILL && op->type != SKILL_TOOL) 1465 if (op->skill && op->type != SKILL && op->type != SKILL_TOOL)
3184 { 1466 {
1467 // try to ready attached skill first
3185 skop = find_skill_by_name (who, op->skill); 1468 skop = find_skill_by_name (who, op->skill);
3186 1469
3187 if (!skop) 1470 if (!skop)
3188 { 1471 {
3189 who->failmsg (format ("You need the %s skill to use this item!", &op->skill)); 1472 who->failmsg (format ("You need the %s skill to use this item!", &op->skill));
3190 return 1; 1473 return 1;
3191 } 1474 }
3192 else 1475 else if (!who->apply (skop, AP_APPLY | AP_NO_SLOT))
3193 /* While experience will be credited properly, we want to change the
3194 * skill so that the dam and wc get updated
3195 */ 1476 {
3196 who->change_skill (skop); 1477 who->failmsg (format ("You can't use the required %s skill!", &op->skill));
1478 return 1;
1479 }
3197 } 1480 }
3198 1481
3199 if (who->type == PLAYER 1482 if (!check_item_power (who, op->item_power))
3200 && op->item_power
3201 && op->item_power + who->contr->item_power > settings.item_power_factor * who->level)
3202 { 1483 {
3203 who->failmsg ("Equipping that combined with other items would consume your soul!" LACK_ITEM_POWER); 1484 who->failmsg ("Equipping that combined with other items would consume your soul!" LACK_ITEM_POWER);
3204 return 1; 1485 return 1;
3205 } 1486 }
3206 1487
3207 /* Ok. We are now at the state where we can apply the new object. 1488 /* Ok. We are now at the state where we can apply the new object.
3208 * Note that we don't have the checks for can_use_... 1489 * Note that we don't have the checks for can_use_...
3209 * below - that is already taken care of by can_apply_object. 1490 * below - that is already taken care of by can_apply_object.
3210 */ 1491 */
1492
1493 // split away all the other items from the stack, so only one item is left
3211 tmp = op->nrof > 1 ? op->split (op->nrof - 1) : 0; 1494 tmp = op->nrof > 1 ? op->split (op->nrof - 1) : 0;
3212 1495
3213 if (INVOKE_OBJECT (BE_READY, op, ARG_OBJECT (who)) || INVOKE_OBJECT (READY, who, ARG_OBJECT (op))) 1496 if (INVOKE_OBJECT (BE_READY, op, ARG_OBJECT (who)) || INVOKE_OBJECT (READY, who, ARG_OBJECT (op)))
3214 return RESULT_INT (0); 1497 return RESULT_INT (0);
3215 1498
3216 switch (op->type) 1499 switch (op->type)
3217 { 1500 {
3218 case WEAPON: 1501 case WEAPON:
3219 if (!check_weapon_power (who, op->last_eat)) 1502 if (op->level && (!op->name.starts_with (who->name) || op->name [who->name.length ()] != '\''))
3220 {
3221 op->failmsg ("This weapon is too powerful for you to use. It would consume your soul!" LACK_ITEM_POWER);
3222
3223 if (tmp)
3224 insert_ob_in_ob (tmp, who);
3225
3226 return 1;
3227 }
3228
3229 //TODO: this obviously fails for players using a shorter prefix
3230 // i.e. "R" can use Ragnarok's sword.
3231 if (op->level && (strncmp (op->name, who->name, strlen (who->name))))
3232 { 1503 {
3233 /* if the weapon does not have the name as the character, can't use it. */ 1504 /* if the weapon does not have the name as the character, can't use it. */
3234 /* (Ragnarok's sword attempted to be used by Foo: won't work) */ 1505 /* (Ragnarok's sword attempted to be used by Foo: won't work) */
3235 who->failmsg ("The weapon does not recognize you as its owner. H<Its name indicates that it belongs to somebody else.>"); 1506 who->failmsg ("The weapon does not recognize you as its owner. "
3236 1507 "H<Its name indicates that it belongs to somebody else.>");
3237 if (tmp) 1508 if (tmp) who->insert (tmp);
3238 insert_ob_in_ob (tmp, who);
3239
3240 return 1; 1509 return 1;
3241 } 1510 }
3242 1511
3243 if (!skop) 1512 op->flag [FLAG_APPLIED] = true;
1513
1514 if (player *pl = who->contr)
3244 { 1515 {
3245 who->failmsg (format ("The %s is broken, please report this to the dungeon master!", query_name (op)));//TODO 1516 who->statusmsg (format ("You wield %s.", query_name (op)));
3246 return 1; 1517 change_abil (who, op);
3247 } 1518 }
3248 1519 else
3249 SET_FLAG (op, FLAG_APPLIED);
3250 who->change_skill (skop); 1520 who->change_skill (skop);
3251 1521
3252 if (who->contr) 1522 op->flag [FLAG_READY_WEAPON] = true;
3253 who->change_weapon (who->contr->combat_ob = op);
3254
3255 who->statusmsg (format ("You wield %s.", query_name (op)));
3256
3257 SET_FLAG (who, FLAG_READY_WEAPON);
3258 change_abil (who, op);
3259 break; 1523 break;
3260 1524
3261 case ARMOUR: 1525 case ARMOUR:
3262 case HELMET: 1526 case HELMET:
3263 case SHIELD: 1527 case SHIELD:
… …
3271 SET_FLAG (op, FLAG_APPLIED); 1535 SET_FLAG (op, FLAG_APPLIED);
3272 who->statusmsg (format ("You wear %s.", query_name (op))); 1536 who->statusmsg (format ("You wear %s.", query_name (op)));
3273 change_abil (who, op); 1537 change_abil (who, op);
3274 break; 1538 break;
3275 1539
1540 case SKILL_TOOL:
1541 // applying a skill tool does not ready the skill
1542 // if something needs the skill, it has to ready it itself
1543 //TODO: unapplying should unapply the skill, though
1544 SET_FLAG (op, FLAG_APPLIED);
1545 break;
1546
3276 case LAMP: 1547 case SKILL:
3277 if (op->stats.food < 1) 1548 if (!(aflags & AP_NO_SLOT))
3278 { 1549 {
3279 who->failmsg (format ( 1550 // skill is used on it's own, as opposed to being a chosen_skill
3280 "Your %s is out of fuel! "
3281 "H<Lamps and similar items need fuel. They cannot be refilled.>",
3282 &op->name
3283 ));
3284 return 1;
3285 }
3286 1551
3287 who->statusmsg (format ("You turn on your %s.", &op->name)); 1552 if (skill_flags [op->subtype] & (SF_NEED_ITEM | SF_MANA))
3288
3289 tmp2 = arch_to_object (op->other_arch);
3290 tmp2->stats.food = op->stats.food;
3291 SET_FLAG (tmp2, FLAG_APPLIED);
3292
3293 if (QUERY_FLAG (op, FLAG_INV_LOCKED))
3294 SET_FLAG (tmp2, FLAG_INV_LOCKED);
3295
3296 who->insert (tmp2);
3297
3298 /* Remove the old lantern */
3299 op->destroy ();
3300
3301 /* insert the portion that was split off */
3302 if (tmp)
3303 who->insert (tmp);
3304
3305 who->update_stats ();
3306
3307 if (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED))
3308 if (who->type == PLAYER)
3309 {
3310 who->failmsg ("Oops, it feels deadly cold! H<Maybe it wasn't such a bright idea to apply this cursed/damned item.>");
3311 SET_FLAG (tmp2, FLAG_KNOWN_CURSED);
3312 }
3313
3314 return 0;
3315
3316 case SKILL_TOOL:
3317 // applying a skill tool also readies the skill
3318 SET_FLAG (op, FLAG_APPLIED);
3319
3320 if (!(aflags & AP_NO_READY))
3321 {
3322 skop = find_skill_by_name (who, op->skill);
3323 if (!skop->flag [FLAG_APPLIED])
3324 apply_special (who, skop, AP_APPLY);
3325 }
3326 break;
3327
3328 case SKILL:
3329 if (player *pl = who->contr)
3330 {
3331 if (IS_COMBAT_SKILL (op->subtype))
3332 { 1553 {
3333 if (skill_flags [op->subtype] & SF_NEED_WEAPON)
3334 {
3335 for (object *item = who->inv; item; item = item->below)
3336 if (item->type == WEAPON && item->flag [FLAG_APPLIED])
3337 {
3338 if (item->skill == op->skill)
3339 {
3340 who->change_weapon (pl->combat_ob = item);
3341 goto found_weapon;
3342 }
3343 }
3344
3345 who->failmsg (format ( 1554 who->failmsg (format (
3346 "You need to apply a '%s' melee weapon before readying this skill. " 1555 "You feel as if you wanted to do something funny, but you can't remember what. "
3347 "H<Some skills need an item, in this case a melee weapon, to function.>", 1556 "H<The %s skill needs something else to function, for example a tool, weapon, rod, or spell. "
3348 &op->skill 1557 "It cannot be used on its own.>",
3349 ));
3350 return 1;
3351
3352 found_weapon:;
3353 }
3354 else
3355 who->change_weapon (pl->combat_ob = op);
3356 }
3357 else if (IS_RANGED_SKILL (op->subtype))
3358 {
3359 if (skill_flags [op->subtype] & SF_NEED_BOW)
3360 {
3361 for (object *item = who->inv; item; item = item->below)
3362 if (item->type == BOW && item->flag [FLAG_APPLIED])
3363 {
3364 //TODO: bows should/must all have skill missile weapon right now
3365 who->change_weapon (pl->ranged_ob = item);
3366 goto found_bow;
3367 }
3368
3369 who->failmsg (
3370 "You need to apply a missile weapon before readying this skill. "
3371 "H<Some skills need an item, in this case a missile weapon, to function.>"
3372 );
3373 return 1;
3374
3375 found_bow:;
3376 }
3377 else
3378 who->change_weapon (pl->ranged_ob = op);
3379 }
3380
3381 if (!op->invisible)
3382 {
3383 who->statusmsg (format (
3384 "You ready %s."
3385 "You can now use the skill: %s.",
3386 query_name (op),
3387 &op->skill 1558 &op->skill
3388 )); 1559 ));
1560 if (tmp) who->insert (tmp);
1561 return 1;
3389 } 1562 }
1563
1564 if (skill_flags [op->subtype] & SF_AUTARK
1565 || !(skill_flags [op->subtype] & (SF_COMBAT | SF_RANGED)))
1566 {
1567 if (skill_flags [op->subtype] & SF_USE)
1568 who->failmsg (format (
1569 "You feel as if you wanted to do something funny, but you can't remember what. "
1570 "H<The %s skill cannot be readied, instead, try C<use_skill %s>.>",
1571 &op->skill, &op->skill
1572 ));
1573 else
1574 who->failmsg (format (
1575 "You feel as if you wanted to do something funny, but you can't remember what. "
1576 "H<The %s skill cannot be readied or used, it is always active.>",
1577 &op->skill
1578 ));
1579
1580 if (tmp) who->insert (tmp);
1581
1582 return 1;
1583 }
1584
1585 if (who->contr)
1586 if (op->invisible)
1587 who->statusmsg (format ("You can now use the %s skill.", &op->skill));
3390 else 1588 else
3391 who->statusmsg (format ("Readied skill: %s.", op->skill ? &op->skill : &op->name)); 1589 who->statusmsg (format ("You ready %s.", query_name (op)));
3392 } 1590 }
3393 else 1591
3394 {
3395 SET_FLAG (op, FLAG_APPLIED);
3396 change_abil (who, op);
3397 who->chosen_skill = op;
3398 SET_FLAG (who, FLAG_READY_SKILL); 1592 SET_FLAG (who, FLAG_READY_SKILL);
3399 } 1593 SET_FLAG (op, FLAG_APPLIED);
3400 1594 change_abil (who, op);
3401 break; 1595 break;
3402 1596
3403 case BOW: 1597 case BOW:
3404 if (!check_weapon_power (who, op->last_eat)) 1598 if (op->level && (!op->name.starts_with (who->name) || op->name [who->name.length ()] != '\''))
3405 {
3406 who->failmsg ("That weapon is too powerful for you to use. It would consume your soul!" LACK_ITEM_POWER);
3407
3408 if (tmp)
3409 insert_ob_in_ob (tmp, who);
3410
3411 return 1;
3412 }
3413
3414 if (op->level && (strncmp (op->name, who->name, strlen (who->name))))
3415 { 1599 {
3416 who->failmsg ("The weapon does not recognize you as its owner. " 1600 who->failmsg ("The weapon does not recognize you as its owner. "
3417 "H<Its name indicates that it belongs to somebody else.>"); 1601 "H<Its name indicates that it belongs to somebody else.>");
3418 if (tmp) 1602 if (tmp) who->insert (tmp);
3419 insert_ob_in_ob (tmp, who);
3420
3421 return 1; 1603 return 1;
3422 } 1604 }
1605
1606 if (player *pl = who->contr)
1607 {
1608 op->flag [FLAG_APPLIED] = true;
1609 who->statusmsg (format ("You wield the %s.", query_name (op)));
1610 change_abil (who, op);
1611 }
1612 break;
1613
1614 case RANGED:
1615 if (player *pl = who->contr)
1616 {
1617 op->flag [FLAG_APPLIED] = true;
1618 who->statusmsg (format ("You applied the %s.", query_name (op)));
1619 }
1620 break;
1621
1622 case SPELL:
1623 if (player *pl = who->contr)
1624 {
1625 op->flag [FLAG_APPLIED] = true;
1626 who->statusmsg (format ("You ready the spell %s.", query_name (op)));
1627 }
1628 break;
3423 1629
3424 /*FALLTHROUGH*/ 1630 /*FALLTHROUGH*/
3425 case WAND: 1631 case WAND:
3426 case ROD: 1632 case ROD:
3427 case HORN: 1633 case HORN:
3428 /* check for skill, alter player status */ 1634 /* check for skill, alter player status */
3429 1635
3430 if (!skop) 1636 if (!skop)
3431 { 1637 {
3432 who->failmsg (format ("The %s is broken, please report this to the dungeon master!", query_name (op)));//TODO 1638 who->failmsg (format ("The %s is broken, please report this to the dungeon master!", query_name (op)));//TODO
1639 if (tmp) who->insert (tmp);
3433 return 1; 1640 return 1;
3434 } 1641 }
3435 1642
3436 SET_FLAG (op, FLAG_APPLIED); 1643 op->flag [FLAG_APPLIED] = true;
3437 who->change_skill (skop);
3438 1644
3439 if (who->contr) 1645 if (player *pl = who->contr)
3440 { 1646 {
3441 who->contr->ranged_ob = op;
3442
3443 who->statusmsg (format ("You ready %s.", query_name (op))); 1647 who->statusmsg (format ("You ready %s.", query_name (op)));
3444 1648
3445 if (op->type == BOW) 1649 if (op->type == BOW)
3446 {
3447 who->current_weapon = op;
3448 change_abil (who, op);
3449 who->statusmsg (format ("You will now fire %s with %s.", op->race ? &op->race : "nothing", query_name (op))); 1650 who->statusmsg (format ("You will now fire %s with %s.", op->race ? &op->race : "nothing", query_name (op)));
3450 } 1651
1652 change_abil (who, op);
3451 } 1653 }
3452 else 1654 else
3453 { 1655 {
1656 who->change_skill (skop);
1657
3454 if (op->type == BOW) 1658 if (op->type == BOW)
3455 SET_FLAG (who, FLAG_READY_BOW); 1659 op->flag [FLAG_READY_BOW ] = true;
3456 else 1660 else
3457 SET_FLAG (who, FLAG_READY_RANGE); 1661 op->flag [FLAG_READY_RANGE] = true;
3458 } 1662 }
3459 1663
3460 break; 1664 break;
3461 1665
3462 case BUILDER: 1666 case BUILDER:
3463 if (who->type == PLAYER) 1667 if (player *pl = who->contr)
3464 { 1668 {
3465 //TODO: wtf does this do? shouldn't this be managed automatically (slots?)
3466 if (who->contr->ranged_ob && who->contr->ranged_ob->type == BUILDER)
3467 unapply_special (who, who->contr->ranged_ob, 0);
3468
3469 who->statusmsg (format ("You ready your %s.", query_name (op))); 1669 who->statusmsg (format ("You ready your %s.", query_name (op)));
3470 1670 //TODO: change_abil?
3471 who->contr->ranged_ob = op;
3472 } 1671 }
3473 break; 1672 break;
3474 1673
3475 default: 1674 default:
3476 who->statusmsg (format ("You apply %s.", query_name (op))); 1675 who->statusmsg (format ("You apply %s.", query_name (op)));
3477 } 1676 }
3478 1677
3479 SET_FLAG (op, FLAG_APPLIED); 1678 SET_FLAG (op, FLAG_APPLIED);
3480 1679
3481 if (tmp)
3482 who->insert (tmp); 1680 if (tmp) who->insert (tmp);
3483 1681
3484 who->update_stats (); 1682 who->update_stats ();
3485 1683
3486 /* We exclude spell casting objects. The fire code will set the 1684 /* We exclude spell casting objects. The fire code will set the
3487 * been applied flag when they are used - until that point, 1685 * been applied flag when they are used - until that point,
… …
3493 if (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED)) 1691 if (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED))
3494 if (who->type == PLAYER) 1692 if (who->type == PLAYER)
3495 { 1693 {
3496 who->failmsg ( 1694 who->failmsg (
3497 "Oops, it feels deadly cold! " 1695 "Oops, it feels deadly cold! "
3498 "H<Maybe it wasn't such a bright idea to apply this cursed/damned item.>" 1696 "H<Maybe it wasn't such a bright idea to apply this cursed or damned item.>"
3499 ); 1697 );
3500 SET_FLAG (op, FLAG_KNOWN_CURSED); 1698 SET_FLAG (op, FLAG_KNOWN_CURSED);
3501 } 1699 }
3502 1700
3503 if (object *pl = op->visible_to ()) 1701 if (object *pl = op->visible_to ())
3504 esrv_send_item (pl, op); 1702 esrv_send_item (pl, op);
3505 1703
3506 return 0; 1704 return 0;
3507} 1705}
3508 1706
1707/**
1708 * Check if op should abort moving victim because of it's race or slaying.
1709 * Returns 1 if it should abort, returns 0 if it should continue.
1710 */
3509int 1711int
3510monster_apply_special (object *who, object *op, int aflags) 1712should_director_abort (object *op, object *victim)
3511{ 1713{
3512 if (QUERY_FLAG (op, FLAG_UNPAID) && !QUERY_FLAG (op, FLAG_APPLIED)) 1714 int arch_flag, name_flag, race_flag;
1715
1716 /* Get flags to determine what of arch, name, and race should be checked.
1717 * This is stored in subtype, and is a bitmask, the LSB is the arch flag,
1718 * the next is the name flag, and the last is the race flag. Also note,
1719 * if subtype is set to zero, that also goes to defaults of all affecting
1720 * it. Examples:
1721 * subtype 1: only arch
1722 * subtype 3: arch or name
1723 * subtype 5: arch or race
1724 * subtype 7: all three
1725 */
1726 if (op->subtype)
1727 {
1728 arch_flag = op->subtype & 1;
1729 name_flag = op->subtype & 2;
1730 race_flag = op->subtype & 4;
1731 }
1732 else
1733 {
1734 arch_flag = 1;
1735 name_flag = 1;
1736 race_flag = 1;
1737 }
1738
1739 /* If the director has race set, only affect objects with a arch,
1740 * name or race that matches.
1741 */
1742 if ((op->race) &&
1743 ((!(victim->arch && arch_flag && victim->arch->archname) || op->race != victim->arch->archname)) &&
1744 ((!(victim->name && name_flag) || op->race != victim->name)) &&
1745 ((!(victim->race && race_flag) || op->race != victim->race)))
3513 return 1; 1746 return 1;
3514 1747
1748 /* If the director has slaying set, only affect objects where none
1749 * of arch, name, or race match.
1750 */
1751 if ((op->slaying) && (((victim->arch && arch_flag && victim->arch->archname && op->slaying == victim->arch->archname))) ||
1752 ((victim->name && name_flag && op->slaying == victim->name)) ||
1753 ((victim->race && race_flag && op->slaying == victim->race)))
1754 return 1;
1755
1756 return 0;
1757}
1758
1759/**
1760 * This handles a player dropping money on an altar to identify stuff.
1761 * It'll identify marked item, if none all items up to dropped money.
1762 * Return value: 1 if money was destroyed, 0 if not.
1763 */
1764static int
1765apply_id_altar (object *money, object *altar, object *pl)
1766{
1767 dynbuf_text &buf = msg_dynbuf; buf.clear ();
1768
1769 if (!pl || pl->type != PLAYER)
1770 return 0;
1771
1772 /* Check for MONEY type is a special hack - it prevents 'nothing needs
1773 * identifying' from being printed out more than it needs to be.
1774 */
1775 if (!check_altar_sacrifice (altar, money, pl) || money->type != MONEY)
1776 return 0;
1777
1778 /* if the player has a marked item, identify that if it needs to be
1779 * identified. If it doesn't, then go through the player inventory.
1780 */
1781 if (object *marked = find_marked_object (pl))
1782 if (!QUERY_FLAG (marked, FLAG_IDENTIFIED) && need_identify (marked))
1783 {
1784 if (operate_altar (altar, &money, pl))
1785 {
1786 identify (marked);
1787
1788 buf.printf ("You have %s.\r", long_desc (marked, pl));
1789 if (marked->msg)
1790 buf << "The item has a story:\r" << marked->msg << "\n\n";
1791
1792 return !money;
1793 }
1794 }
1795
1796 for (object *id = pl->inv; id; id = id->below)
1797 {
1798 if (!QUERY_FLAG (id, FLAG_IDENTIFIED) && !id->invisible && need_identify (id))
1799 {
1800 if (operate_altar (altar, &money, pl))
1801 {
1802 identify (id);
1803
1804 buf.printf ("You have %s.\r", long_desc (id, pl));
1805 if (id->msg)
1806 buf << "The item has a story:\r" << id->msg << "\n\n";
1807
1808 /* If no more money, might as well quit now */
1809 if (!money || !check_altar_sacrifice (altar, money))
1810 break;
1811 }
1812 else
1813 {
1814 LOG (llevError, "check_id_altar: Couldn't do sacrifice when we should have been able to\n");
1815 break;
1816 }
1817 }
1818 }
1819
1820 if (buf.empty ())
1821 pl->failmsg ("You have nothing that needs identifying");
1822 else
1823 pl->contr->infobox (MSG_CHANNEL ("identify"), buf);
1824
1825 return !money;
1826}
1827
1828/**
1829 * This checks whether the object has a "on_use_yield" field, and if so generated and drops
1830 * matching item.
1831 **/
1832void
1833handle_apply_yield (object *tmp)
1834{
1835 if (shstr_tmp yield = tmp->kv (shstr_on_use_yield))
1836 archetype::get (yield)->insert_at (tmp, tmp, INS_BELOW_ORIGINATOR);
1837}
1838
1839/**
1840 * Handles applying a potion.
1841 */
1842int
1843apply_potion (object *op, object *tmp)
1844{
1845 int got_one = 0, i;
1846 object *force = 0;
1847
1848 object *floor = GET_MAP_OB (op->map, op->x, op->y);
1849
1850 if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_SAFE)
1851 {
1852 op->failmsg ("Gods prevent you from using this here, it's sacred ground!");
1853
1854 CLEAR_FLAG (tmp, FLAG_APPLIED);
1855 return 0;
1856 }
1857
1858 if (op->type == PLAYER)
1859 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
1860 identify (tmp);
1861
1862 handle_apply_yield (tmp);
1863
1864 /* Potion of restoration - only for players */
1865 if (op->type == PLAYER && (tmp->attacktype & AT_DEPLETE))
1866 {
1867 object *depl;
1868 archetype *at;
1869
1870 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
1871 {
1872 op->drain_stat ();
1873 op->update_stats ();
1874 tmp->decrease ();
1875 return 1;
1876 }
1877
1878 if (!(at = archetype::find (shstr_depletion)))
1879 {
1880 LOG (llevError, "Could not find archetype depletion\n");
1881 return 0;
1882 }
1883
1884 depl = present_arch_in_ob (at, op);
1885
1886 if (depl)
1887 {
1888 for (i = 0; i < NUM_STATS; i++)
1889 if (depl->stats.stat (i))
1890 op->statusmsg (restore_msg[i]);
1891
1892 depl->destroy ();
1893 op->update_stats ();
1894 }
1895 else
1896 op->statusmsg ("Your potion had no effect.");
1897
1898 tmp->decrease ();
1899 return 1;
1900 }
1901
1902 /* improvement potion - only for players */
1903 if (op->type == PLAYER && (tmp->attacktype & AT_GODPOWER))
1904 {
1905 for (i = 1; i < min (11, op->level); i++)
1906 {
1907 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
1908 {
1909 if (op->contr->levhp[i] != 1)
1910 {
1911 op->contr->levhp[i] = 1;
1912 break;
1913 }
1914
1915 if (op->contr->levsp[i] != 1)
1916 {
1917 op->contr->levsp[i] = 1;
1918 break;
1919 }
1920
1921 if (op->contr->levgrace[i] != 1)
1922 {
1923 op->contr->levgrace[i] = 1;
1924 break;
1925 }
1926 }
1927 else
1928 {
1929 if (op->contr->levhp[i] < 9)
1930 {
1931 op->contr->levhp[i] = 9;
1932 break;
1933 }
1934
1935 if (op->contr->levsp[i] < 6)
1936 {
1937 op->contr->levsp[i] = 6;
1938 break;
1939 }
1940
1941 if (op->contr->levgrace[i] < 3)
1942 {
1943 op->contr->levgrace[i] = 3;
1944 break;
1945 }
1946 }
1947 }
1948
1949 /* Just makes checking easier */
1950 if (i < min (11, op->level))
1951 got_one = 1;
1952
1953 if (!QUERY_FLAG (tmp, FLAG_CURSED) && !QUERY_FLAG (tmp, FLAG_DAMNED))
1954 {
1955 if (got_one)
1956 {
1957 op->update_stats ();
1958 op->statusmsg ("The Gods smile upon you and remake you "
1959 "a little more in their image. "
1960 "You feel a little more perfect.", NDI_GREEN);
1961 }
1962 else
1963 op->statusmsg ("The potion had no effect - you are already perfect.");
1964 }
1965 else
1966 { /* cursed potion */
1967 if (got_one)
1968 {
1969 op->update_stats ();
1970 op->failmsg ("The Gods are angry and punish you.");
1971 }
1972 else
1973 op->statusmsg ("You are fortunate that you are so pathetic.", NDI_DK_ORANGE);
1974 }
1975
1976 tmp->decrease ();
1977 return 1;
1978 }
1979
1980
1981 /* A potion that casts a spell. Healing, restore spellpoint (power potion)
1982 * and heroism all fit into this category. Given the spell object code,
1983 * there is no limit to the number of spells that potions can be cast,
1984 * but direction is problematic to try and imbue fireball potions for example.
1985 */
1986 if (tmp->inv)
1987 {
1988 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
1989 {
1990 op->failmsg ("Yech! Your lungs are on fire!");
1991 create_exploding_ball_at (op, op->level);
1992 }
1993 else
1994 cast_spell (op, tmp, op->facing, tmp->inv, NULL);
1995
1996 tmp->decrease ();
1997
1998 /* if youre dead, no point in doing this... */
1999 if (!QUERY_FLAG (op, FLAG_REMOVED))
2000 op->update_stats ();
2001
2002 return 1;
2003 }
2004
2005 /* Deal with protection potions */
2006 force = NULL;
2007 for (i = 0; i < NROFATTACKS; i++)
2008 {
2009 if (tmp->resist[i])
2010 {
2011 if (!force)
2012 force = get_archetype (FORCE_NAME);
2013
2014 memcpy (force->resist, tmp->resist, sizeof (tmp->resist));
2015 force->type = POTION_EFFECT;
2016 break; /* Only need to find one protection since we copy entire batch */
2017 }
2018 }
2019
2020 /* This is a protection potion */
2021 if (force)
2022 {
2023 /* cursed items last longer */
2024 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
2025 {
2026 force->stats.food *= 10;
2027 for (i = 0; i < NROFATTACKS; i++)
2028 if (force->resist[i] > 0)
2029 force->resist[i] = -force->resist[i]; /* prot => vuln */
2030 }
2031
2032 force->speed_left = -1;
2033 force = insert_ob_in_ob (force, op);
2034 CLEAR_FLAG (tmp, FLAG_APPLIED);
2035 SET_FLAG (force, FLAG_APPLIED);
2036 change_abil (op, force);
2037 tmp->decrease ();
2038 return 1;
2039 }
2040
2041 /* Only thing left are the stat potions */
2042 if (op->type == PLAYER)
2043 { /* only for players */
2044 if ((QUERY_FLAG (tmp, FLAG_CURSED)
2045 || QUERY_FLAG (tmp, FLAG_DAMNED))
2046 && tmp->value != 0)
2047 CLEAR_FLAG (tmp, FLAG_APPLIED);
2048 else
2049 SET_FLAG (tmp, FLAG_APPLIED);
2050
2051 if (!change_abil (op, tmp))
2052 op->statusmsg ("Nothing happened.");
2053 }
2054
2055 /* CLEAR_FLAG is so that if the character has other potions
2056 * that were grouped with the one consumed, his
2057 * stat will not be raised by them. fix_player just clears
2058 * up all the stats.
2059 */
2060 CLEAR_FLAG (tmp, FLAG_APPLIED);
2061 op->update_stats ();
2062 tmp->decrease ();
2063 return 1;
2064}
2065
2066/**
2067 * 'victim' moves onto 'trap'
2068 * 'victim' leaves 'trap'
2069 * effect is determined by move_on/move_off of trap and move_type of victime.
2070 *
2071 * originator: Player, monster or other object that caused 'victim' to move
2072 * onto 'trap'. Will receive messages caused by this action. May be NULL.
2073 * However, some types of traps require an originator to function.
2074 */
2075void
2076move_apply (object *trap, object *victim, object *originator)
2077{
2078 static int recursion_depth = 0;
2079
2080 /* Only exits affect DMs. */
2081 if (QUERY_FLAG (victim, FLAG_WIZPASS) && trap->type != EXIT && trap->type != SIGN)
2082 return;
2083
2084 /* move_apply() is the most likely candidate for causing unwanted and
2085 * possibly unlimited recursion.
2086 */
2087 /* The following was changed because it was causing perfectly correct
2088 * maps to fail. 1) it's not an error to recurse:
2089 * rune detonates, summoning monster. monster lands on nearby rune.
2090 * nearby rune detonates. This sort of recursion is expected and
2091 * proper. This code was causing needless crashes.
2092 */
2093 if (recursion_depth >= 500)
2094 {
2095 LOG (llevDebug, "WARNING: move_apply(): aborting recursion "
2096 "[trap arch %s, name %s; victim arch %s, name %s]\n", &trap->arch->archname, &trap->name, &victim->arch->archname, &victim->name);
2097 return;
2098 }
2099
2100 recursion_depth++;
2101 if (trap->head)
2102 trap = trap->head;
2103
2104 if (!INVOKE_OBJECT (MOVE_TRIGGER, trap, ARG_OBJECT (victim), ARG_OBJECT (originator)))
2105 switch (trap->type)
2106 {
2107 case PLAYERMOVER:
2108 if (trap->attacktype && (trap->level || victim->type != PLAYER) && !should_director_abort (trap, victim))
2109 {
2110 if (!trap->stats.maxsp)
2111 trap->stats.maxsp = 2;
2112
2113 /* Is this correct? From the docs, it doesn't look like it
2114 * should be divided by trap->speed
2115 */
2116 victim->speed_left = -trap->stats.maxsp * victim->speed / trap->speed;
2117
2118 /* Just put in some sanity check. I think there is a bug in the
2119 * above with some objects have zero speed, and thus the player
2120 * getting permanently paralyzed.
2121 */
2122 if (victim->speed_left < -50.f)
2123 victim->speed_left = -50.f;
2124 /* LOG(llevDebug, "apply, playermove, player speed_left=%f\n", victim->speed_left); */
2125 }
2126 break;
2127
2128 case SPINNER:
2129 if (victim->direction)
2130 {
2131 victim->direction = absdir (victim->direction - trap->stats.sp);
2132 update_turn_face (victim);
2133 }
2134 break;
2135
2136 case DIRECTOR:
2137 if (victim->direction && !should_director_abort (trap, victim))
2138 {
2139 victim->direction = trap->stats.sp;
2140 update_turn_face (victim);
2141 }
2142 break;
2143
2144 case BUTTON:
2145 case PEDESTAL:
2146 case T_MATCH:
2147 update_button (trap, originator);
2148 break;
2149
2150 case ALTAR:
2151 /* sacrifice victim on trap */
2152 apply_altar (trap, victim, originator);
2153 break;
2154
2155 case THROWN_OBJ:
2156 if (trap->inv == NULL)
2157 break;
2158 /* fallthrough */
2159
2160 case ARROW:
2161 /* bad bug: monster throw a object, make a step forwards, step on object ,
2162 * trigger this here and get hit by own missile - and will be own enemy.
2163 * Victim then is his own enemy and will start to kill herself (this is
2164 * removed) but we have not synced victim and his missile. To avoid senseless
2165 * action, we avoid hits here
2166 */
2167 if ((QUERY_FLAG (victim, FLAG_ALIVE) && trap->has_active_speed ())
2168 && trap->owner != victim)
2169 hit_with_arrow (trap, victim);
2170 break;
2171
2172 case SPELL_EFFECT:
2173 apply_spell_effect (trap, victim);
2174 break;
2175
2176 case TRAPDOOR:
2177 {
2178 int max, sound_was_played;
2179 object *ab, *ab_next;
2180
2181 if (!trap->value)
2182 {
2183 int tot;
2184
2185 for (ab = trap->above, tot = 0; ab; ab = ab->above)
2186 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
2187 tot += ab->head_ ()->total_weight ();
2188
2189 if (!(trap->value = (tot > trap->weight) ? 1 : 0))
2190 break;
2191
2192 SET_ANIMATION (trap, trap->value);
2193 update_object (trap, UP_OBJ_FACE);
2194 }
2195
2196 for (ab = trap->above, max = 100, sound_was_played = 0; --max && ab; ab = ab_next)
2197 {
2198 /* need to set this up, since if we do transfer the object,
2199 * ab->above would be bogus
2200 */
2201 ab_next = ab->above;
2202
2203 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
2204 {
2205 if (!sound_was_played)
2206 {
2207 trap->play_sound (trap->sound ? trap->sound : sound_find ("fall_hole"));
2208 sound_was_played = 1;
2209 }
2210
2211 ab->statusmsg ("You fall into a trapdoor!", NDI_RED);
2212 transfer_ob (ab, EXIT_X (trap), EXIT_Y (trap), 0, ab);
2213 }
2214 }
2215 break;
2216 }
2217
2218 case CONVERTER:
2219 if (convert_item (victim, trap) < 0)
2220 {
2221 originator->failmsg (format ("The %s seems to be broken!", query_name (trap)));
2222 archetype::get (shstr_burnout)->insert_at (trap, trap);
2223 }
2224
2225 break;
2226
2227 case TRIGGER_BUTTON:
2228 case TRIGGER_PEDESTAL:
2229 case TRIGGER_ALTAR:
2230 check_trigger (trap, victim, originator);
2231 break;
2232
2233 case DEEP_SWAMP:
2234 walk_on_deep_swamp (trap, victim);
2235 break;
2236
2237 case CHECK_INV:
2238 check_inv (victim, trap);
2239 break;
2240
2241 case HOLE:
2242 move_apply_hole (trap, victim);
2243 break;
2244
2245 case EXIT:
2246 if (victim->type == PLAYER && EXIT_PATH (trap))
2247 {
2248 /* Basically, don't show exits leading to random maps the
2249 * players output.
2250 */
2251 if (trap->msg && EXIT_PATH (trap) != shstr_random_map_exit)
2252 victim->statusmsg (trap->msg, NDI_NAVY);
2253
2254 trap->play_sound (trap->sound);
2255 victim->enter_exit (trap);
2256 }
2257 break;
2258
2259 case ENCOUNTER:
2260 /* may be some leftovers on this */
2261 break;
2262
2263 case SHOP_MAT:
2264 apply_shop_mat (trap, victim);
2265 break;
2266
2267 /* Drop a certain amount of gold, and have one item identified */
2268 case IDENTIFY_ALTAR:
2269 apply_id_altar (victim, trap, originator);
2270 break;
2271
2272 case SIGN:
2273 if (victim->type != PLAYER && trap->stats.food > 0)
2274 break; /* monsters musn't apply magic_mouths with counters */
2275
2276 apply_sign (victim, trap, 1);
2277 break;
2278
2279 case CONTAINER:
2280 apply_container (victim, trap);
2281 break;
2282
2283 case RUNE:
2284 case TRAP:
2285 if (trap->level && QUERY_FLAG (victim, FLAG_ALIVE))
2286 spring_trap (trap, victim);
2287 break;
2288
2289 default:
2290 LOG (llevDebug, "name %s, arch %s, type %d with fly/walk on/off not "
2291 "handled in move_apply()\n", &trap->name, &trap->arch->archname, trap->type);
2292 break;
2293 }
2294
2295 recursion_depth--;
2296}
2297
2298/**
2299 * Handles reading a regular (ie not containing a spell) book.
2300 */
2301static void
2302apply_book (object *op, object *tmp)
2303{
2304 int lev_diff;
2305 object *skill_ob;
2306
2307 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
2308 {
2309 op->failmsg ("You are unable to read while blind!");
2310 return;
2311 }
2312
2313 if (!tmp->msg)
2314 {
2315 op->failmsg (format ("The %s contains nothing but meaningless gibberish. H<There is nothing interesting to read here.>", &tmp->name));
2316 return;
2317 }
2318
2319 /* need a literacy skill to read stuff! */
2320 skill_ob = find_skill_by_name (op, tmp->skill);
2321 if (!skill_ob)
2322 {
2323 op->failmsg (format ("You are unable to decipher the strange symbols. H<You lack the %s skill to read this.>", &tmp->skill));
2324 return;
2325 }
2326
2327 lev_diff = tmp->level - (skill_ob->level + 5);
2328 if (!QUERY_FLAG (op, FLAG_WIZ) && lev_diff > 0)
2329 {
2330 op->failmsg (lev_diff < 2 ? "This book is just barely beyond your comprehension."
2331 : lev_diff < 3 ? "This book is slightly beyond your comprehension."
2332 : lev_diff < 5 ? "This book is beyond your comprehension."
2333 : lev_diff < 8 ? "This book is quite a bit beyond your comprehension."
2334 : lev_diff < 15 ? "This book is way beyond your comprehension."
2335 : "This book is totally beyond your comprehension.");
2336 return;
2337 }
2338
2339 // we currently don't use the message types for anything.
2340 // readable_message_type *msgType = get_readable_message_type (tmp);
2341
2342 tmp->play_sound (tmp->sound ? tmp->sound : sound_find ("apply_book"));
2343
2344 if (player *pl = op->contr)
2345 if (client *ns = pl->ns)
2346 pl->infobox (MSG_CHANNEL ("book"), format ("T<%s>\n\n%s", (char *)long_desc (tmp, op), &tmp->msg));
2347
2348 /* gain xp from reading */
2349 if (!QUERY_FLAG (tmp, FLAG_NO_SKILL_IDENT))
2350 { /* only if not read before */
2351 int exp_gain = calc_skill_exp (op, tmp, skill_ob);
2352
2353 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
2354 {
2355 /*exp_gain *= 2; because they just identified it too */
2356 SET_FLAG (tmp, FLAG_IDENTIFIED);
2357
2358 if (object *pl = tmp->visible_to ())
2359 esrv_update_item (UPD_FLAGS | UPD_NAME, pl, tmp);
2360 }
2361
2362 change_exp (op, exp_gain, skill_ob->skill, 0);
2363 SET_FLAG (tmp, FLAG_NO_SKILL_IDENT); /* so no more xp gained from this book */
2364 }
2365}
2366
2367/**
2368 * op made some mistake with a scroll, this takes care of punishment.
2369 * scroll_failure()- hacked directly from spell_failure
2370 */
2371static void
2372scroll_failure (object *op, int failure, int power)
2373{
2374 if (abs (failure / 4) > power)
2375 power = abs (failure / 4); /* set minimum effect */
2376
2377 if (failure <= -1 && failure > -15)
2378 { /* wonder */
2379 object *tmp;
2380
2381 op->failmsg ("Your spell warps!");
2382 tmp = get_archetype (SPELL_WONDER);
2383 cast_wonder (op, op, 0, tmp);
2384 tmp->destroy ();
2385 }
2386 else if (failure <= -15 && failure > -35)
2387 { /* drain mana */
2388 op->failmsg ("Your mana is drained!");
2389 op->stats.sp -= random_roll (0, power - 1, op, PREFER_LOW);
2390 if (op->stats.sp < 0)
2391 op->stats.sp = 0;
2392 }
2393 else if (settings.spell_failure_effects == TRUE)
2394 {
2395 if (failure <= -35 && failure > -60)
2396 { /* confusion */
2397 op->failmsg ("The magic recoils on you!");
2398 confuse_player (op, op, power);
2399 }
2400 else if (failure <= -60 && failure > -70)
2401 { /* paralysis */
2402 op->failmsg ("The magic recoils and paralyzes you!");
2403 paralyze_player (op, op, power);
2404 }
2405 else if (failure <= -70 && failure > -80)
2406 { /* blind */
2407 op->failmsg ("The magic recoils on you!");
2408 blind_player (op, op, power);
2409 }
2410 else if (failure <= -80)
2411 { /* blast the immediate area */
2412 object *tmp = get_archetype (LOOSE_MANA);
2413 cast_magic_storm (op, tmp, power);
2414 op->failmsg ("You unleash uncontrolled mana!");
2415 tmp->destroy ();
2416 }
2417 }
2418}
2419
2420/**
2421 * Handles the applying of a skill scroll, calling learn_skill straight.
2422 * op is the person learning the skill, tmp is the skill scroll object
2423 */
2424static void
2425apply_skillscroll (object *op, object *tmp)
2426{
2427 switch (learn_skill (op, tmp))
2428 {
2429 case 0:
2430 op->play_sound (sound_find ("generic_fail"));
2431 op->failmsg (format ("You already possess the knowledge held within the %s.", query_name (tmp)));
2432 break;
2433
2434 case 1:
2435 tmp->decrease ();
2436 op->play_sound (sound_find ("skill_learn"));
2437 op->statusmsg (format ("You succeed in learning %s", &tmp->skill));
2438 break;
2439
2440 default:
2441 tmp->decrease ();
2442 op->play_sound (sound_find ("generic_fail"));
2443 op->failmsg (format ("You fail to learn the knowledge of the %s.\n", query_name (tmp)));
2444 break;
2445 }
2446}
2447
2448/**
2449 * Actually makes op learn spell.
2450 * Informs player of what happens.
2451 */
2452void
2453do_learn_spell (object *op, object *spell, int special_prayer)
2454{
2455 object *tmp;
2456
2457 if (op->type != PLAYER)
2458 {
2459 LOG (llevError, "BUG: do_learn_spell(): not a player\n");
2460 return;
2461 }
2462
2463 /* Upgrade special prayers to normal prayers */
2464 if ((tmp = check_spell_known (op, spell->name)) != NULL)
2465 {
2466 if (special_prayer && !QUERY_FLAG (tmp, FLAG_STARTEQUIP))
2467 {
2468 LOG (llevError, "BUG: do_learn_spell(): spell already known, but not marked as startequip\n");
2469 return;
2470 }
2471 return;
2472 }
2473
2474 op->contr->play_sound (sound_find ("learn_spell"));
2475
2476 tmp = spell->clone ();
2477 insert_ob_in_ob (tmp, op);
2478
2479 if (special_prayer)
2480 SET_FLAG (tmp, FLAG_STARTEQUIP);
2481
2482 esrv_add_spells (op->contr, tmp);
2483}
2484
2485/**
2486 * Erases spell from player's inventory.
2487 */
2488void
2489do_forget_spell (object *op, const char *spell)
2490{
2491 object *spob;
2492
2493 if (op->type != PLAYER)
2494 {
2495 LOG (llevError, "BUG: do_forget_spell(): not a player\n");
2496 return;
2497 }
2498 if ((spob = check_spell_known (op, spell)) == NULL)
2499 {
2500 LOG (llevError, "BUG: do_forget_spell(): spell not known\n");
2501 return;
2502 }
2503
2504 op->failmsg (format ("You lose knowledge of %s.", spell));
2505 esrv_remove_spell (op->contr, spob);
2506 spob->destroy ();
2507}
2508
2509/**
2510 * Handles player applying a spellbook.
2511 * Checks whether player has knowledge of required skill, doesn't already know the spell,
2512 * stuff like that. Random learning failure too.
2513 */
2514static void
2515apply_spellbook (object *op, object *tmp)
2516{
2517 object *skop, *spell, *spell_skill;
2518
2519 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
2520 {
2521 op->failmsg ("You are unable to read while blind.");
2522 return;
2523 }
2524
2525 /* artifact_spellbooks have 'slaying' field point to a spell name,
2526 * instead of having their spell stored in stats.sp. These are
2527 * legacy spellbooks
2528 */
2529 if (tmp->slaying)
2530 {
2531 spell = find_archetype_by_object_name (tmp->slaying)->instance ();
2532
2533 if (!spell)
2534 {
2535 op->failmsg (format ("The book's formula for %s is incomplete.", &tmp->slaying));
2536 return;
2537 }
2538 else
2539 insert_ob_in_ob (spell, tmp);
2540
2541 tmp->slaying = 0;
2542 }
2543
2544 skop = find_skill_by_name (op, tmp->skill);
2545
2546 /* need a literacy skill to learn spells. Also, having a literacy level
2547 * lower than the spell will make learning the spell more difficult */
2548 if (!skop)
2549 {
2550 op->failmsg (format ("You can't read! Your attempt fails. H<You lack the %s skill.>", &tmp->skill));
2551 return;
2552 }
2553
2554 spell = tmp->inv;
2555
2556 if (!spell)
2557 {
2558 LOG (llevError, "apply_spellbook: Book %s has no spell in it!\n", &tmp->name);
2559 op->failmsg ("The spellbook symbols make no sense. This is a bug, please report!");
2560 return;
2561 }
2562
2563 int learn_level = sqrtf (spell->level) * 1.5f;
2564 if (skop->level < learn_level)
2565 {
2566 op->failmsg (format ("You are unable to decipher the strange symbols. H<Your %s level is too low, it must be at least %d.>",
2567 &tmp->skill, learn_level));
2568 return;
2569 }
2570
2571 op->statusmsg (format ("The spellbook contains the %s level spell %s.", ordinal (spell->level), &spell->name));
2572
2573 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
2574 identify (tmp);
2575
2576 /* I removed the check for special_prayer_mark here - it didn't make
2577 * a lot of sense - special prayers are not found in spellbooks, and
2578 * if the player doesn't know the spell, doesn't make a lot of sense that
2579 * they would have a special prayer mark.
2580 */
2581 if (check_spell_known (op, spell->name))
2582 {
2583 op->statusmsg ("You already know that spell. H<It makes no sense to learn spells twice, and would only waste the spellbook.>\n");
2584 return;
2585 }
2586
2587 if (spell->skill)
2588 {
2589 spell_skill = find_skill_by_name (op, spell->skill);
2590
2591 if (!spell_skill)
2592 {
2593 op->failmsg (format ("You lack the %s skill to use this spell.", &spell->skill));
2594 return;
2595 }
2596
2597 if (spell_skill->level < spell->level)
2598 {
2599 op->failmsg (format ("You need to be level %d in %s to learn this spell.", spell->level, &spell->skill));
2600 return;
2601 }
2602 }
2603
2604 /* Logic as follows
2605 *
2606 * 1- MU spells use Int to learn, Cleric spells use Wisdom
2607 *
2608 * 2- The learner's skill level in literacy adjusts the chance to learn
2609 * a spell.
2610 *
2611 * 3 -Automatically fail to learn if you read while confused
2612 *
2613 * Overall, chances are the same but a player will find having a high
2614 * literacy rate very useful! -b.t.
2615 */
2616 if (QUERY_FLAG (op, FLAG_CONFUSED))
2617 {
2618 op->failmsg ("In your confused state you flub the wording of the text!");
2619 scroll_failure (op, 0 - random_roll (0, spell->level, op, PREFER_LOW), max (spell->stats.sp, spell->stats.grace));
2620 }
2621 else if (QUERY_FLAG (tmp, FLAG_STARTEQUIP) ||
2622 (random_roll (0, 100, op, PREFER_LOW) - (5 * skop->level)) < learn_spell[spell->stats.grace ? op->stats.Wis : op->stats.Int])
2623 {
2624 op->statusmsg ("You succeed in learning the spell!", NDI_GREEN);
2625 do_learn_spell (op, spell, 0);
2626
2627 /* xp gain to literacy for spell learning */
2628 if (!QUERY_FLAG (tmp, FLAG_STARTEQUIP))
2629 change_exp (op, calc_skill_exp (op, tmp, skop), skop->skill, 0);
2630 }
2631 else
2632 {
2633 op->contr->play_sound (sound_find ("fumble_spell"));
2634 op->failmsg ("You fail to learn the spell. H<Wis (priests) or Int (wizards) governs the chance of learning a prayer or spell.>\n");
2635 }
2636
2637 tmp->decrease ();
2638}
2639
2640/**
2641 * Handles applying a spell scroll.
2642 */
2643void
2644apply_scroll (object *op, object *tmp, int dir)
2645{
2646 object *skop;
2647
2648 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
2649 {
2650 op->failmsg ("You are unable to read while blind.");
2651 return;
2652 }
2653
2654 if (!tmp->inv || tmp->inv->type != SPELL)
2655 {
2656 op->failmsg ("The scroll just doesn't make sense! H<...and never will make sense.>");
2657 return;
2658 }
2659
2660 if (op->type == PLAYER)
2661 {
2662 /* players need a literacy skill to read stuff! */
2663 int exp_gain = 0;
2664
2665 /* hard code literacy - tmp->skill points to where the exp
2666 * should go for anything killed by the spell.
2667 */
2668 skop = find_skill_by_name (op, skill_names[SK_LITERACY]);
2669
2670 if (!skop)
2671 {
2672 op->failmsg (format ("You are unable to decipher the strange symbols. H<You lack the %s skill.>", &skill_names[SK_LITERACY]));
2673 return;
2674 }
2675
2676 if ((exp_gain = calc_skill_exp (op, tmp, skop)))
2677 change_exp (op, exp_gain, skop->skill, 0);
2678 }
2679
2680 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
2681 identify (tmp);
2682
2683 op->statusmsg (format ("The scroll of %s turns to dust.", &tmp->inv->name));
2684
2685 cast_spell (op, tmp, dir, tmp->inv, NULL);
2686 tmp->decrease ();
2687}
2688
2689/**
2690 * Applies a treasure object - by default, chest. op
2691 * is the person doing the applying, tmp is the treasure
2692 * chest.
2693 */
2694static void
2695apply_treasure (object *op, object *tmp)
2696{
2697 /* Nice side effect of this treasure creation method is that the treasure
2698 * for the chest is done when the chest is created, and put into the chest
2699 * inventory. So that when the chest burns up, the items still exist. Also
2700 * prevents people from moving chests to more difficult maps to get better
2701 * treasure
2702 */
2703 object *treas = tmp->inv;
2704
2705 if (!treas)
2706 {
2707 op->statusmsg ("The chest was empty.");
2708 tmp->decrease ();
2709 return;
2710 }
2711
2712 while (tmp->inv)
2713 {
2714 treas = tmp->inv;
2715 treas->remove ();
2716
2717 treas->x = op->x;
2718 treas->y = op->y;
2719 treas = insert_ob_in_map (treas, op->map, op, INS_BELOW_ORIGINATOR);
2720
2721 if (treas && (treas->type == RUNE || treas->type == TRAP) && treas->level && QUERY_FLAG (op, FLAG_ALIVE))
2722 spring_trap (treas, op);
2723
2724 /* If either player or container was destroyed, no need to do
2725 * further processing. I think this should be enclused with
2726 * spring trap above, as I don't think there is otherwise
2727 * any way for the treasure chest or player to get killed.
2728 */
2729 if (op->destroyed () || tmp->destroyed ())
2730 break;
2731 }
2732
2733 if (!tmp->destroyed () && !tmp->inv)
2734 tmp->decrease (true);
2735}
2736
2737/**
2738 * A dragon is eating some flesh. If the flesh contains resistances,
2739 * there is a chance for the dragon's skin to get improved.
2740 *
2741 * attributes:
2742 * object *op the object (dragon player) eating the flesh
2743 * object *meal the flesh item, getting chewed in dragon's mouth
2744 * return:
2745 * int 1 if eating successful, 0 if it doesn't work
2746 */
2747static int
2748dragon_eat_flesh (object *op, object *meal)
2749{
2750 object *skin = NULL; /* pointer to dragon skin force */
2751 object *abil = NULL; /* pointer to dragon ability force */
2752 object *tmp = NULL; /* tmp. object */
2753
2754 double chance; /* improvement-chance of one resistance type */
2755 double totalchance = 1; /* total chance of gaining one resistance */
2756 double bonus = 0; /* level bonus (improvement is easier at lowlevel) */
2757 double mbonus = 0; /* monster bonus */
2758 int atnr_winner[NROFATTACKS]; /* winning candidates for resistance improvement */
2759 int winners = 0; /* number of winners */
2760 int i; /* index */
2761
2762 /* let's make sure and doublecheck the parameters */
2763 if (meal->type != FLESH || !op->is_dragon ())
2764 return 0;
2765
2766 /* now grab the 'dragon_skin'- and 'dragon_ability'-forces
2767 from the player's inventory */
2768 for (tmp = op->inv; tmp; tmp = tmp->below)
2769 if (tmp->type == FORCE)
2770 if (tmp->arch->archname == shstr_dragon_skin_force)
2771 skin = tmp;
2772 else if (tmp->arch->archname == shstr_dragon_ability_force)
2773 abil = tmp;
2774
2775 /* if either skin or ability are missing, this is an old player
2776 which is not to be considered a dragon -> bail out */
2777 if (skin == NULL || abil == NULL)
2778 return 0;
2779
2780 /* now start by filling stomache and health, according to food-value */
2781 if ((MAX_FOOD - op->stats.food) < meal->stats.food)
2782 op->stats.hp += (MAX_FOOD - op->stats.food) / 50;
2783 else
2784 op->stats.hp += meal->stats.food / 50;
2785
2786 min_it (op->stats.hp, op->stats.maxhp);
2787 op->stats.food = min (MAX_FOOD, op->stats.food + meal->stats.food);
2788
2789 /*LOG(llevDebug, "-> player: %d, flesh: %d\n", op->level, meal->level); */
2790
2791 /* on to the interesting part: chances for adding resistance */
2792 for (i = 0; i < NROFATTACKS; i++)
2793 {
2794 if (meal->resist[i] > 0 && atnr_is_dragon_enabled (i))
2795 {
2796 /* got positive resistance, now calculate improvement chance (0-100) */
2797
2798 /* this bonus makes resistance increase easier at lower levels */
2799 bonus = (settings.max_level - op->level) * 30. / ((double) settings.max_level);
2800 if (i == abil->stats.exp)
2801 bonus += 5; /* additional bonus for resistance of ability-focus */
2802
2803 /* monster bonus increases with level, because high-level
2804 flesh is too rare */
2805 mbonus = op->level * 20. / ((double) settings.max_level);
2806
2807 chance = (((double)min (op->level + bonus, meal->level + bonus + mbonus)) * 100. /
2808 ((double)settings.max_level)) - skin->resist[i];
2809
2810 if (chance >= 0.)
2811 chance += 1.;
2812 else
2813 chance = (chance < -12) ? 0. : 1. / pow (2., -chance);
2814
2815 /* chance is proportional to amount of resistance (max. 50) */
2816 chance *= ((double)(min (meal->resist[i], 50))) / 50.;
2817
2818 /* doubled chance for resistance of ability-focus */
2819 if (i == abil->stats.exp)
2820 chance = min (100., chance * 2.);
2821
2822 /* now make the throw and save all winners (Don't insert luck bonus here!) */
2823 if (rndm (10000) < (unsigned int)(chance * 100))
2824 {
2825 atnr_winner[winners] = i;
2826 winners++;
2827 }
2828
2829 if (chance >= 0.01)
2830 totalchance *= 1 - chance / 100;
2831
2832 /*LOG(llevDebug, " %s: bonus %.1f, chance %.1f\n", attacks[i], bonus, chance); */
2833 }
2834 }
2835
2836 /* inverse totalchance as until now we have the failure-chance */
2837 totalchance = 100 - totalchance * 100;
2838
2839 /* print message according to totalchance */
2840 const char *buf;
2841 if (totalchance > 50.)
2842 buf = format ("Hmm! The %s tasted delicious!", &meal->name);
2843 else if (totalchance > 10.)
2844 buf = format ("The %s tasted very good.", &meal->name);
2845 else if (totalchance > 1.)
2846 buf = format ("The %s tasted good.", &meal->name);
2847 else if (totalchance > 0.1)
2848 buf = format ("The %s tasted bland.", &meal->name);
2849 else if (totalchance >= 0.01)
2850 buf = format ("The %s had a boring taste.", &meal->name);
2851 else if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat))
2852 buf = format ("The %s tasted strange.", &meal->name);
2853 else
2854 buf = format ("The %s had no taste.", &meal->name);
2855
2856 op->statusmsg (buf);
2857
2858 /* now choose a winner if we have any */
2859 i = -1;
2860 if (winners > 0)
2861 i = atnr_winner [rndm (winners)];
2862
2863 if (i >= 0 && i < NROFATTACKS && skin->resist[i] < 95)
2864 {
2865 /* resistance increased! */
2866 skin->resist[i]++;
2867 op->update_stats ();
2868
2869 op->statusmsg (format ("Your skin is now more resistant to %s!", change_resist_msg[i]));
2870 }
2871
2872 /* if this flesh contains a new ability focus, we mark it
2873 into the ability_force and it will take effect on next level */
2874 if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat) && meal->last_eat != abil->last_eat)
2875 {
2876 abil->last_eat = meal->last_eat; /* write: last_eat <new attnr focus> */
2877
2878 if (meal->last_eat != abil->stats.exp)
2879 op->statusmsg (format (
2880 "Your metabolism prepares to focus on %s!\n"
2881 "The change will happen at level %d.",
2882 change_resist_msg[meal->last_eat],
2883 abil->level + 1
2884 ));
2885 else
2886 {
2887 op->statusmsg (format ("Your metabolism will continue to focus on %s.", change_resist_msg[meal->last_eat]));
2888 abil->last_eat = 0;
2889 }
2890 }
2891
2892 return 1;
2893}
2894
2895/**
2896 * op eats food.
2897 * If player, takes care of messages and dragon special food.
2898 */
2899static void
2900apply_food (object *op, object *tmp)
2901{
2902 int capacity_remaining;
2903
2904 if (op->type != PLAYER)
2905 op->stats.hp = op->stats.maxhp;
2906 else
2907 {
2908 /* check if this is a dragon (player), eating some flesh */
2909 if (tmp->type == FLESH && op->is_dragon () && dragon_eat_flesh (op, tmp))
2910 ;
2911 else
2912 {
2913 /* usual case - no dragon meal: */
2914 if (op->stats.food + tmp->stats.food > MAX_FOOD)
2915 {
2916 if (tmp->type == FOOD || tmp->type == FLESH)
2917 op->failmsg ("You feel full, but what a waste of food!");
2918 else
2919 op->statusmsg ("Most of the drink goes down your face not your throat!");
2920 }
2921
2922 tmp->play_sound (
2923 tmp->sound
2924 ? tmp->sound
2925 : tmp->type == DRINK
2926 ? sound_find ("eat_drink")
2927 : sound_find ("eat_food")
2928 );
2929
2930 if (!QUERY_FLAG (tmp, FLAG_CURSED))
2931 {
2932 const char *buf;
2933
2934 if (!op->is_dragon ())
2935 {
2936 /* eating message for normal players */
2937 if (tmp->type == DRINK)
2938 buf = format ("Ahhh...that %s tasted good.", &tmp->name);
2939 else
2940 buf = format ("The %s tasted %s", &tmp->name, tmp->type == FLESH ? "terrible!" : "good.");
2941 }
2942 else
2943 /* eating message for dragon players */
2944 buf = format ("The %s tasted terrible!", &tmp->name);
2945
2946 op->statusmsg (buf);
2947
2948 capacity_remaining = MAX_FOOD - op->stats.food;
2949 op->stats.food += tmp->stats.food;
2950 if (capacity_remaining < tmp->stats.food)
2951 op->stats.hp += capacity_remaining / 50;
2952 else
2953 op->stats.hp += tmp->stats.food / 50;
2954
2955 min_it (op->stats.hp, op->stats.maxhp);
2956 min_it (op->stats.food, MAX_FOOD);
2957 }
2958
2959 /* special food hack -b.t. */
2960 if (tmp->title || QUERY_FLAG (tmp, FLAG_CURSED))
2961 eat_special_food (op, tmp);
2962 }
2963 }
2964
2965 handle_apply_yield (tmp);
2966 tmp->decrease ();
2967}
2968
2969/**
2970 * Handles applying an improve armor scroll.
2971 * Does some sanity checks, then calls improve_armour.
2972 */
2973static void
2974apply_armour_improver (object *op, object *tmp)
2975{
2976 object *armor;
2977
2978 if (!QUERY_FLAG (op, FLAG_WIZCAST) && (get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_NO_MAGIC))
2979 {
2980 op->failmsg ("Something blocks the magic of the scroll. H<This area prevents magic effects.>");
2981 return;
2982 }
2983
2984 armor = find_marked_object (op);
2985
2986 if (!armor)
2987 {
2988 op->failmsg ("You need to mark an armor object. Use the right mouse button popup or the mark command to do this.");
2989 return;
2990 }
2991
2992 if (armor->type != ARMOUR
2993 && armor->type != CLOAK
2994 && armor->type != BOOTS && armor->type != GLOVES && armor->type != BRACERS && armor->type != SHIELD && armor->type != HELMET)
2995 {
2996 op->failmsg ("Your marked item is not armour!\n");
2997 return;
2998 }
2999
3000 op->statusmsg ("Applying armour enchantment.");
3001 improve_armour (op, tmp, armor);
3002}
3003
3004void
3005apply_poison (object *op, object *tmp)
3006{
3007 // need to do it now when it is still on the map
3008 handle_apply_yield (tmp);
3009
3010 object *poison = tmp->split (1);
3011
3012 if (op->type == PLAYER)
3013 {
3014 op->contr->play_sound (sound_find ("drink_poison"));
3015 op->failmsg ("Yech! That tasted poisonous!");
3016 op->contr->killer = poison;
3017 }
3018
3019 if (poison->stats.hp > 0)
3020 {
3021 LOG (llevDebug, "Trying to poison player/monster for %d hp\n", poison->stats.hp);
3022 hit_player (op, poison->stats.hp, tmp, AT_POISON, 1);
3023 }
3024
3025 op->stats.food -= op->stats.food / 4;
3026 poison->destroy ();
3027}
3028
3029/**
3030 * This function will try to apply a lighter and in case no lighter
3031 * is specified it will try to find a lighter in the players inventory,
3032 * and inform him about this requirement.
3033 *
3034 * who - the player
3035 * op - the item we want to light
3036 * lighter - the lighter or 0 if a lighter has yet to be found
3037 */
3038static object *
3039auto_apply_lighter (object *who, object *op, object *lighter)
3040{
3041 if (lighter == 0)
3042 {
3043 for (object *tmp = who->inv; tmp; tmp = tmp->below)
3044 {
3045 if (tmp->type == LIGHTER)
3046 {
3047 lighter = tmp;
3048 break;
3049 }
3050 }
3051
3052 if (!lighter)
3053 {
3054 who->failmsg (format (
3055 "You can't light up the %s with your bare hands! "
3056 "H<You need a lighter in your inventory, for example a flint and steel.>",
3057 &op->name));
3058 return 0;
3059 }
3060 }
3061
3062 // last_eat == 0 means the lighter is not being used up!
3063 if (lighter->last_eat && lighter->stats.food)
3064 {
3065 /* lighter gets used up */
3066 lighter = lighter->split ();
3067 lighter->stats.food--;
3068 who->insert (lighter);
3069 }
3070 else if (lighter->last_eat)
3071 {
3072 /* no charges left in lighter */
3073 who->failmsg (format (
3074 "You attempt to light the %s with a used up %s.",
3075 &op->name, &lighter->name));
3076 return 0;
3077 }
3078
3079 return lighter;
3080}
3081
3082/**
3083 * Designed primarily to light torches/lanterns/etc.
3084 * Also burns up burnable material too. First object in the inventory is
3085 * the selected object to "burn". -b.t.
3086 */
3087static void
3088apply_lighter (object *who, object *lighter)
3089{
3090 object *item;
3091 int is_player_env = 0;
3092
3093 item = find_marked_object (who);
3094 if (item)
3095 {
3096 if (!auto_apply_lighter (who, item, lighter))
3097 return;
3098
3099 /* Perhaps we should split what we are trying to light on fire?
3100 * I can't see many times when you would want to light multiple
3101 * objects at once.
3102 */
3103
3104 save_throw_object (item, AT_FIRE, who);
3105
3106 if (item->destroyed ()
3107 || ((item->type == LAMP || item->type == TORCH)
3108 && item->glow_radius > 0))
3109 who->statusmsg (format (
3110 "You light the %s with the %s.",
3111 &item->name, &lighter->name));
3112 else
3113 who->failmsg (format (
3114 "You attempt to light the %s with the %s and fail.",
3115 &item->name, &lighter->name));
3116 }
3117 else
3118 who->failmsg ("You need to mark a lightable object.");
3119}
3120
3121/**
3122 * This function generates a cursed effect for cursed lamps and torches.
3123 */
3124static void
3125player_apply_lamp_cursed_effect (object *who, object *op)
3126{
3127 if (op->level)
3128 {
3129 who->failmsg (format (
3130 "The %s was cursed, it explodes in a big fireball!",
3131 &op->name));
3132 create_exploding_ball_at (who, op->level);
3133 }
3134 else
3135 {
3136 who->failmsg (format (
3137 "The %s was cursed, it crumbles to dust, at least it didn't explode.!",
3138 &op->name));
3139 }
3140
3141 op->destroy ();
3142}
3143
3144/**
3145 * Apply for players and lamps
3146 *
3147 * who - the player
3148 * op - the lamp
3149 */
3150static void
3151player_apply_lamp (object *who, object *op)
3152{
3153 bool switch_on = op->glow_radius ? false : true;
3154
3155 if (switch_on)
3156 {
3157 object *lighter = 0;
3158
3159 if (op->flag [FLAG_IS_LIGHTABLE]
3160 && !(lighter = auto_apply_lighter (who, op, 0)))
3161 return;
3162
3163 if (op->stats.food < 1)
3164 {
3165 if (op->type == LAMP)
3166 who->failmsg (format (
3167 "The %s is out of fuel! "
3168 "H<Lamps and similar items need fuel. They cannot be refilled.>",
3169 &op->name));
3170 else
3171 who->failmsg (format (
3172 "The %s is burnt out! "
3173 "H<Torches and similar items burn out and become worthless.>",
3174 &op->name));
3175 return;
3176 }
3177
3178 if (op->flag [FLAG_CURSED])
3179 {
3180 player_apply_lamp_cursed_effect (who, op);
3181 return;
3182 }
3183
3184 if (lighter)
3185 who->statusmsg (format (
3186 "You light up the %s with the %s.", &op->name, &lighter->name));
3187 else
3188 who->statusmsg (format ("You light up the %s.", &op->name));
3189 }
3190 else
3191 {
3192 if (op->flag [FLAG_CURSED])
3193 {
3194 player_apply_lamp_cursed_effect (who, op);
3195 return;
3196 }
3197
3198 if (op->type == TORCH)
3199 {
3200 if (!op->flag [FLAG_IS_LIGHTABLE])
3201 {
3202 who->statusmsg (format (
3203 "You put out the %s. "
3204 "H<The %s can't be used anymore, as it can't be lighted up again.>",
3205 &op->name, &op->name));
3206 }
3207 else
3208 who->statusmsg (format (
3209 "You put out the %s."
3210 "H<Torches wear out if you put them out.>",
3211 &op->name));
3212 }
3213 else
3214 who->statusmsg (format ("You turn off the %s.", &op->name));
3215 }
3216
3217 apply_lamp (op, switch_on);
3218}
3219
3220void get_animation_from_arch (object *op, arch_ptr a)
3221{
3222 op->animation_id = a->animation_id;
3223 op->flag [FLAG_IS_TURNABLE] = a->flag [FLAG_IS_TURNABLE];
3224 op->flag [FLAG_ANIMATE] = a->flag [FLAG_ANIMATE];
3225 op->anim_speed = a->anim_speed;
3226 op->last_anim = 0;
3227 op->state = 0;
3228 op->face = a->face;
3229
3230 if (NUM_ANIMATIONS(op) > 1)
3231 {
3232 SET_ANIMATION(op, 0);
3233 animate_object (op, op->direction);
3234 }
3235 else
3236 update_object (op, UP_OBJ_FACE);
3237}
3238
3239/**
3240 * Apply for LAMPs and TORCHes.
3241 *
3242 * op - the lamp
3243 * switch_on - a flag which says whether the lamp should be switched on or off
3244 */
3245void apply_lamp (object *op, bool switch_on)
3246{
3247 op->set_glow_radius (switch_on ? op->range : 0);
3248 op->set_speed (switch_on ? op->arch->speed : 0);
3249
3250 // torches wear out if you put them out
3251 if (op->type == TORCH && !switch_on)
3252 {
3253 if (op->flag [FLAG_IS_LIGHTABLE])
3254 {
3255 op->stats.food -= (double) op->arch->stats.food / 15;
3256 if (op->stats.food < 0)
3257 op->stats.food = 0;
3258 }
3259 else
3260 op->stats.food = 0;
3261 }
3262
3263 // lamps and torched get worthless when used up
3264 if (op->stats.food <= 0)
3265 op->value = 0;
3266
3267 // FIXME: This is a hack to make the more sane torches and lamps
3268 // still animated ;-/
3269 if (op->other_arch)
3270 get_animation_from_arch (op, switch_on ? op->other_arch : op->arch);
3271
3272 if (object *pl = op->visible_to ())
3273 esrv_update_item (UPD_ANIM | UPD_FACE | UPD_NAME, pl, op);
3274}
3275
3276/**
3277 * This handles items of type 'transformer'.
3278 * Basically those items, used with a marked item, transform both items into something
3279 * else.
3280 * "Transformer" item has food decreased by 1, removed if 0 (0 at start means illimited)..
3281 * Change information is contained in the 'slaying' field of the marked item.
3282 * The format is as follow: transformer:[number ]yield[;transformer:...].
3283 * This way an item can be transformed in many things, and/or many objects.
3284 * The 'slaying' field for transformer is used as verb for the action.
3285 */
3286static void
3287apply_item_transformer (object *pl, object *transformer)
3288{
3289 object *marked;
3290 object *new_item;
3291 const char *find;
3292 char *separator;
3293 int yield;
3294 char got[MAX_BUF];
3295 int len;
3296
3297 if (!pl || !transformer)
3298 return;
3299
3300 marked = find_marked_object (pl);
3301
3302 if (!marked)
3303 {
3304 pl->failmsg (format ("Use the %s with what item?", query_name (transformer)));
3305 return;
3306 }
3307
3308 if (!marked->slaying)
3309 {
3310 pl->failmsg (format ("You can't use the %s with your %s!", query_name (transformer), query_name (marked)));
3311 return;
3312 }
3313
3314 /* check whether they are compatible or not */
3315 find = strstr (&marked->slaying, transformer->arch->archname);
3316 if (!find || (*(find + strlen (transformer->arch->archname)) != ':'))
3317 {
3318 pl->failmsg (format ("You can't use the %s with your %s!", query_name (transformer), query_name (marked)));
3319 return;
3320 }
3321
3322 find += strlen (transformer->arch->archname) + 1;
3323 /* Item can be used, now find how many and what it yields */
3324 if (isdigit (*(find)))
3325 {
3326 yield = atoi (find);
3327 if (yield < 1)
3328 {
3329 LOG (llevDebug, "apply_item_transformer: item %s has slaying-yield %d.", query_base_name (marked, 0), yield);
3330 yield = 1;
3331 }
3332 }
3333 else
3334 yield = 1;
3335
3336 while (isdigit (*find))
3337 find++;
3338
3339 while (*find == ' ')
3340 find++;
3341
3342 memset (got, 0, MAX_BUF);
3343
3344 if ((separator = (char *) strchr (find, ';')))
3345 len = separator - find;
3346 else
3347 len = strlen (find);
3348
3349 min_it (len, MAX_BUF - 1);
3350
3351 strcpy (got, find);
3352 got[len] = '\0';
3353
3354 /* Now create new item, remove used ones when required. */
3355 new_item = get_archetype (got);
3356 if (!new_item)
3357 {
3358 pl->failmsg (format ("This %s is strange, better to not use it.", query_base_name (marked, 0)));
3359 return;
3360 }
3361
3362 new_item->nrof = yield;
3363
3364 pl->statusmsg (format ("You %s the %s.", &transformer->slaying, query_base_name (marked, 0)));
3365
3366 pl->insert (new_item);
3367 /* Eat up one item */
3368 marked->decrease ();
3369
3370 /* Eat one transformer if needed */
3371 if (transformer->stats.food)
3372 if (--transformer->stats.food == 0)
3373 transformer->decrease ();
3374}
3375
3376/**
3377 * Main apply handler.
3378 *
3379 * Checks for unpaid items before applying.
3380 *
3381 * Return value is currently not used
3382 *
3383 * who is the object that is causing object to be applied, op is the object
3384 * being applied.
3385 *
3386 * aflag is special (always apply/unapply) flags. Nothing is done with
3387 * them in this function - they are passed to apply_special
3388 */
3389static bool
3390manual_apply (object *who, object *op, int aflag)
3391{
3392 op = op->head_ ();
3393
3394 if (op->flag [FLAG_UNPAID] && !op->flag [FLAG_APPLIED])
3395 {
3396 if (who->contr)
3397 {
3398 examine (who, op);
3399 //who->failmsg ("You should pay for it first! H<You cannot use items marked as unpaid.>");//TODO remove
3400 return 1;
3401 }
3402 else
3403 return 0; /* monsters just skip unpaid items */
3404 }
3405
3406 if (INVOKE_OBJECT (APPLY, op, ARG_OBJECT (who)))
3407 return RESULT_INT (0);
3408 else if (may_attempt_inv [op->type])
3409 {
3410 // special item, using slot system, needs to be in inv
3411 if (op->env == who)
3515 return apply_special (who, op, aflags); 3412 return apply_special (who, op, aflag);
3413
3414 who->failmsg (format ("You must get it first! H<You can only apply the %s if it is in your inventory.>\n", query_name (op)));
3415 }
3416 else if (!who->contr && may_attempt_player [op->type])
3417 return 0; // monsters shouldn't try to apply player-only stuff
3418 else if (may_attempt [op->type])
3419 {
3420 // ordinary stuff, may be on the floor
3421 switch (op->type)
3422 {
3423 case T_HANDLE:
3424 who->play_sound (sound_find ("turn_handle"));
3425 who->statusmsg ("You turn the handle.");
3426 op->value = op->value ? 0 : 1;
3427 SET_ANIMATION (op, op->value);
3428 update_object (op, UP_OBJ_FACE);
3429 push_button (op, who);
3430 break;
3431
3432 case TRIGGER:
3433 if (check_trigger (op, who, who))
3434 {
3435 who->statusmsg ("You turn the handle.");
3436 who->play_sound (sound_find ("turn_handle"));
3437 }
3438 else
3439 who->failmsg ("The handle doesn't move.");
3440
3441 break;
3442
3443 case EXIT:
3444 if (!EXIT_PATH (op))
3445 who->failmsg (format ("The %s is closed. H<And will stay closed, until somebody fires up the map editor and adds it.>", query_name (op)));
3446 else
3447 {
3448 /* Don't display messages for random maps. */
3449 if (op->msg && EXIT_PATH (op) != shstr_random_map_exit)
3450 who->statusmsg (op->msg, NDI_NAVY);
3451
3452 who->enter_exit (op);
3453 }
3454
3455 break;
3456
3457 case INSCRIBABLE:
3458 who->statusmsg (op->msg);
3459 // maybe show a spell menu to chose from or something like that
3460 break;
3461
3462 case SIGN:
3463 apply_sign (who, op, 0);
3464 break;
3465
3466 case BOOK:
3467 apply_book (who, op);
3468 break;
3469
3470 case SKILLSCROLL:
3471 apply_skillscroll (who, op);
3472 break;
3473
3474 case SPELLBOOK:
3475 apply_spellbook (who, op);
3476 break;
3477
3478 case SCROLL:
3479 apply_scroll (who, op, 0);
3480 break;
3481
3482 case POTION:
3483 apply_potion (who, op);
3484 break;
3485
3486 /* Eneq(@csd.uu.se): Handle apply on containers. */
3487 //TODO: remove, as it is unsed?
3488 case CLOSE_CON:
3489 apply_container (who, op->env);
3490 break;
3491
3492 case CONTAINER:
3493 apply_container (who, op);
3494 break;
3495
3496 case TREASURE:
3497 apply_treasure (who, op);
3498 break;
3499
3500 case LAMP:
3501 case TORCH:
3502 player_apply_lamp (who, op);
3503 break;
3504
3505 case DRINK:
3506 case FOOD:
3507 case FLESH:
3508 apply_food (who, op);
3509 break;
3510
3511 case POISON:
3512 apply_poison (who, op);
3513 break;
3514
3515 case SAVEBED:
3516 break;
3517
3518 case ARMOUR_IMPROVER:
3519 apply_armour_improver (who, op);
3520 break;
3521
3522 case WEAPON_IMPROVER:
3523 check_improve_weapon (who, op);
3524 break;
3525
3526 case CLOCK:
3527 {
3528 char buf[MAX_BUF];
3529 timeofday_t tod;
3530
3531 get_tod (&tod);
3532 who->play_sound (sound_find ("sound_clock"));
3533 who->statusmsg (format (
3534 "It is %d minute%s past %d o'clock %s",
3535 tod.minute + 1, ((tod.minute + 1 < 2) ? "" : "s"),
3536 ((tod.hour % 14 == 0) ? 14 : ((tod.hour) % 14)), ((tod.hour >= 14) ? "pm" : "am")
3537 ));
3538 }
3539 break;
3540
3541 case MENU:
3542 shop_listing (op, who);
3543 break;
3544
3545 case POWER_CRYSTAL:
3546 apply_power_crystal (who, op); /* see egoitem.c */
3547 break;
3548
3549 case LIGHTER: /* for lighting torches/lanterns/etc */
3550 apply_lighter (who, op);
3551 break;
3552
3553 case ITEM_TRANSFORMER:
3554 apply_item_transformer (who, op);
3555 break;
3556 }
3557
3558 return 1;
3559 }
3560 else
3561 {
3562 who->statusmsg (format ("I don't know how to apply the %s.", query_name (op)));
3563 return 0;
3564 }
3565}
3566
3567/**
3568 * player_apply_below attempts to apply the object 'below' the player.
3569 * If the player has an open container, we use that for below, otherwise
3570 * we use the ground.
3571 */
3572void
3573player_apply_below (object *pl)
3574{
3575 object *top = pl->container_ () ? pl->container_ ()->inv : pl->below;
3576
3577 /* If using a container, set the starting item to be the top
3578 * item in the container. Otherwise, use the map.
3579 */
3580
3581 // first try to apply "applyables"
3582 for (object *tmp = top; tmp; tmp = tmp->below)
3583 // the tmp->cb is a hack to allow user-extendable types...
3584 if (!tmp->invisible && (may_attempt [tmp->type] || tmp->cb))
3585 {
3586 // If it is visible, player can apply it.
3587 pl->apply (tmp);
3588 return;
3589 }
3590
3591 while (top && top->invisible)
3592 top = top->below;
3593
3594 if (!top || top->flag [FLAG_IS_FLOOR])
3595 pl->failmsg ("You inspect this space, but find no way to apply anything. "
3596 "H<There is nothing here that you can apply.>");
3597 else
3598 // next, try to explain the topmost object
3599 switch (top->type)
3600 {
3601 // TODO: all this should move to examine
3602 case ALTAR:
3603 case IDENTIFY_ALTAR:
3604 case TRIGGER_ALTAR:
3605 case CONVERTER:
3606 //case TRIGGER_PEDESTAL:
3607 pl->failmsg (format (
3608 "You see no obvious mechanism on the %s."
3609 "H<You have to drop one or more specific items here.>",
3610 query_short_name (top)
3611 ));
3612 break;
3613
3614 case BUTTON:
3615 case TRIGGER_BUTTON:
3616 pl->failmsg (format (
3617 "The %s looks as if you could activate it with somehting heavy. "
3618 "H<You must put enough items here to activate it.>",
3619 query_short_name (top)
3620 ));
3621 break;
3622
3623 default:
3624 examine (pl, top);
3625 break;
3626 }
3627}
3628
3629// saner interface, returns successful status
3630bool
3631object::apply (object *ob, int aflags)
3632{
3633 if (!ob) // simplifies a lot of callers
3634 return true;
3635
3636 if (contr)
3637 {
3638 if (!ob->env && (move_type & MOVE_FLYING))
3639 {
3640 /* player is flying and applying object not in inventory */
3641 if (!flag [FLAG_WIZ] && !(ob->move_type & MOVE_FLYING))
3642 {
3643 failmsg ("But you are floating high above the ground! "
3644 "H<You have to stop levitating first, if you can, either by using your levitation skill, "
3645 "or waiting till the levitation effect wears off.>");
3646 return 0;
3647 }
3648 }
3649
3650 contr->last_used = ob;
3651 }
3652
3653 bool want_apply =
3654 aflags & AP_APPLY ? true
3655 : aflags & AP_UNAPPLY ? false
3656 : !ob->flag [FLAG_APPLIED]; // AP_TOGGLE
3657
3658 object_ptr *slot = 0;
3659
3660 // detect the slot, if this is a player
3661 if (contr && !(aflags & AP_NO_SLOT))
3662 {
3663 object *oslot;
3664
3665 switch (ob->type)
3666 {
3667 case WEAPON:
3668 slot = &contr->combat_ob;
3669 oslot = contr->ranged_ob;
3670 break;
3671
3672 case BOW:
3673 case RANGED:
3674 case SPELL:
3675 case WAND:
3676 case ROD:
3677 case HORN:
3678 case BUILDER:
3679 slot = &contr->ranged_ob;
3680 oslot = contr->combat_ob;
3681 break;
3682
3683 // oh, the humanity
3684 case SKILL:
3685 if (aflags & AP_NO_SLOT)
3686 break;
3687
3688 if (skill_flags [ob->subtype] & SF_NEED_ITEM)
3689 break;
3690
3691 if (skill_flags [ob->subtype] & SF_COMBAT)
3692 {
3693 slot = &contr->combat_ob;
3694 oslot = contr->ranged_ob;
3695 }
3696 else if (skill_flags [ob->subtype] & SF_RANGED)
3697 {
3698 slot = &contr->ranged_ob;
3699 oslot = contr->combat_ob;
3700 }
3701
3702 break;
3703 }
3704
3705 // now handle slot exclusions
3706 if (slot)
3707 {
3708 // only one slot can be active
3709 if (want_apply)
3710 {
3711 // clear slot unless we are in it already
3712 if (*slot != ob)
3713 apply (*slot, AP_UNAPPLY);
3714
3715 // unapply other slot, because we want to become active
3716 apply (oslot, AP_UNAPPLY);
3717 }
3718
3719 // clear item from slot if applied
3720 if (!want_apply && current_weapon == ob)
3721 current_weapon = 0;
3722 }
3723 }
3724
3725 if (ob->flag [FLAG_APPLIED] != want_apply)
3726 manual_apply (this, ob, aflags);
3727
3728 if (ob->flag [FLAG_APPLIED] != want_apply)
3729 return false;
3730
3731 if (slot && want_apply)
3732 current_weapon = *slot = ob;
3733
3734 return true;
3516} 3735}
3517 3736
3518/** 3737/**
3519 * Map was just loaded, handle op's initialisation. 3738 * Map was just loaded, handle op's initialisation.
3520 * 3739 *
… …
3572 /* If we generated an object and put it in this object inventory, 3791 /* If we generated an object and put it in this object inventory,
3573 * move it to the parent object as the current object is about 3792 * move it to the parent object as the current object is about
3574 * to disappear. An example of this item is the random_* stuff 3793 * to disappear. An example of this item is the random_* stuff
3575 * that is put inside other objects. 3794 * that is put inside other objects.
3576 */ 3795 */
3577 for (tmp = op->inv; tmp; tmp = tmp2)
3578 {
3579 tmp2 = tmp->below;
3580 tmp->remove ();
3581
3582 if (op->env) 3796 if (op->env)
3583 insert_ob_in_ob (tmp, op->env); 3797 while (op->inv)
3584 else 3798 op->env->insert (op->inv);
3585 tmp->destroy ();
3586 }
3587 3799
3588 op->destroy (); 3800 op->destroy ();
3589 break; 3801 break;
3590 } 3802 }
3591 3803
… …
3634 * treasure again for this object 3846 * treasure again for this object
3635 */ 3847 */
3636 invtmp->randomitems = NULL; 3848 invtmp->randomitems = NULL;
3637 } 3849 }
3638 } 3850 }
3851
3639 /* This is really temporary - the code at the bottom will 3852 /* This is really temporary - the code at the bottom will
3640 * also set randomitems to null. The problem is there are bunches 3853 * also set randomitems to null. The problem is there are bunches
3641 * of maps/players already out there with items that have spells 3854 * of maps/players already out there with items that have spells
3642 * which haven't had the randomitems set to null yet. 3855 * which haven't had the randomitems set to null yet.
3643 * MSW 2004-05-13 3856 * MSW 2004-05-13
… …
3647 * Ryo 2004-08-16 3860 * Ryo 2004-08-16
3648 */ 3861 */
3649 if (tmp->type == WAND || tmp->type == ROD || tmp->type == SCROLL 3862 if (tmp->type == WAND || tmp->type == ROD || tmp->type == SCROLL
3650 || tmp->type == HORN || tmp->type == FIREWALL || tmp->type == POTION || tmp->type == ALTAR || tmp->type == SPELLBOOK) 3863 || tmp->type == HORN || tmp->type == FIREWALL || tmp->type == POTION || tmp->type == ALTAR || tmp->type == SPELLBOOK)
3651 tmp->randomitems = NULL; 3864 tmp->randomitems = NULL;
3652
3653 } 3865 }
3654 3866
3655 if (QUERY_FLAG (tmp, FLAG_AUTO_APPLY)) 3867 if (QUERY_FLAG (tmp, FLAG_AUTO_APPLY))
3656 auto_apply (tmp); 3868 auto_apply (tmp);
3657 else if ((tmp->type == TREASURE || (tmp->type == CONTAINER)) && tmp->has_random_items ()) 3869 else if ((tmp->type == TREASURE || (tmp->type == CONTAINER)) && tmp->has_random_items ())
… …
3690 } 3902 }
3691 3903
3692 for (mapspace *ms = spaces + size (); ms-- > spaces; ) 3904 for (mapspace *ms = spaces + size (); ms-- > spaces; )
3693 for (object *tmp = ms->bot; tmp; tmp = tmp->above) 3905 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
3694 if (tmp->above && (tmp->type == TRIGGER_BUTTON || tmp->type == TRIGGER_PEDESTAL)) 3906 if (tmp->above && (tmp->type == TRIGGER_BUTTON || tmp->type == TRIGGER_PEDESTAL))
3695 check_trigger (tmp, tmp->above); 3907 check_trigger (tmp, tmp->above, tmp->above);
3696} 3908}
3697 3909
3698/** 3910/**
3699 * Handles player eating food that temporarily changes status (resistances, stats). 3911 * Handles player eating food that temporarily changes status (resistances, stats).
3700 * This used to call cast_change_attr(), but 3912 * This used to call cast_change_attr(), but
… …
3705eat_special_food (object *who, object *food) 3917eat_special_food (object *who, object *food)
3706{ 3918{
3707 object *force; 3919 object *force;
3708 int i, did_one = 0; 3920 int i, did_one = 0;
3709 3921
3710 force = get_archetype (FORCE_NAME); 3922 char buf[64];
3923 snprintf (buf, sizeof(buf), "sp_food_%s", &food->title);
3924 shstr key (buf);
3711 3925
3712 for (i = 0; i < NUM_STATS; i++)
3713 if (sint8 k = food->stats.stat (i))
3714 {
3715 force->stats.stat (i) = k;
3716 did_one = 1;
3717 }
3718
3719 /* check if we can protect the eater */
3720 for (i = 0; i < NROFATTACKS; i++)
3721 {
3722 if (food->resist[i] > 0)
3723 {
3724 force->resist[i] = food->resist[i] / 2;
3725 did_one = 1;
3726 }
3727 }
3728
3729 if (did_one)
3730 {
3731 force->set_speed (0.1);
3732 /* bigger morsel of food = longer effect time */ 3926 /* bigger morsel of food = longer effect time */
3733 force->duration = food->stats.food / 5; 3927 int duration = TIME2TICK (food->stats.food);
3734 SET_FLAG (force, FLAG_APPLIED); 3928
3735 change_abil (who, force); 3929 if (force = who->force_find (key))
3736 insert_ob_in_ob (force, who); 3930 {
3931 if (duration > fabs (force->speed_left / force->speed))
3932 {
3933 new_draw_info_format (NDI_UNIQUE, 0, who, "More magical force spreads through you. H<The effect will last for about %.10g more seconds.>", TICK2TIME (duration));
3934 force->force_set_timer (duration);
3935 }
3936 else
3937 new_draw_info (NDI_UNIQUE, 0, who, "It had no additional effect.");
3938
3939 return;
3737 } 3940 }
3738 else 3941 else
3942 {
3943 force = who->force_add (key, duration);
3944 force->name = key;
3945
3946 /* check if the food affects a stat */
3947 for (i = 0; i < NUM_STATS; i++)
3948 if (sint8 k = food->stats.stat (i))
3949 {
3950 force->stats.stat (i) = k;
3951 did_one = 1;
3952 }
3953
3954 /* check if we can protect the eater */
3955 for (i = 0; i < NROFATTACKS; i++)
3956 {
3957 if (food->resist[i] > 0)
3958 {
3959 force->resist[i] = food->resist[i];
3960 did_one = 1;
3961 }
3962 }
3963
3964 if (did_one)
3965 {
3966 new_draw_info_format (NDI_UNIQUE, 0, who, "You are suffused with magical force. H<The effect will last for about %.10g seconds.>", TICK2TIME (duration));
3967
3968 /* make the force take effect and report effects to user */
3969 change_abil (who, force);
3970 }
3971 else
3739 force->destroy (); 3972 force->destroy ();
3973 }
3740 3974
3741 /* check for hp, sp change */ 3975 /* check for hp, sp change */
3742 if (food->stats.hp != 0) 3976 if (food->stats.hp != 0)
3743 { 3977 {
3744 if (QUERY_FLAG (food, FLAG_CURSED)) 3978 if (QUERY_FLAG (food, FLAG_CURSED))
… …
3774 /* place limit on max sp from food? */ 4008 /* place limit on max sp from food? */
3775 } 4009 }
3776 } 4010 }
3777 4011
3778 who->update_stats (); 4012 who->update_stats ();
3779}
3780
3781/**
3782 * Designed primarily to light torches/lanterns/etc.
3783 * Also burns up burnable material too. First object in the inventory is
3784 * the selected object to "burn". -b.t.
3785 */
3786void
3787apply_lighter (object *who, object *lighter)
3788{
3789 object *item;
3790 int is_player_env = 0;
3791
3792 item = find_marked_object (who);
3793 if (item)
3794 {
3795 if (lighter->last_eat && lighter->stats.food)
3796 { /* lighter gets used up */
3797 object *oneLighter = lighter->split ();
3798 oneLighter->stats.food--;
3799 who->insert (oneLighter);
3800 }
3801 else if (lighter->last_eat)
3802 {
3803 /* no charges left in lighter */
3804 who->failmsg (format ("You attempt to light the %s with a used up %s.", &item->name, &lighter->name));
3805 return;
3806 }
3807
3808 /* Perhaps we should split what we are trying to light on fire?
3809 * I can't see many times when you would want to light multiple
3810 * objects at once.
3811 */
3812
3813 if (who == item->in_player ())
3814 is_player_env = 1;
3815
3816 save_throw_object (item, AT_FIRE, who);
3817
3818 if (item->destroyed ())
3819 {
3820 who->statusmsg (format ("You light the %s with the %s.", &item->name, &lighter->name));
3821 /* Need to update the player so that the players glow radius
3822 * gets changed.
3823 */
3824 if (is_player_env)
3825 who->update_stats ();
3826 }
3827 else
3828 who->failmsg (format ("You attempt to light the %s with the %s and fail.", &item->name, &lighter->name));
3829 }
3830 else
3831 who->failmsg ("You need to mark a lightable object.");
3832}
3833
3834/**
3835 * op made some mistake with a scroll, this takes care of punishment.
3836 * scroll_failure()- hacked directly from spell_failure
3837 */
3838void
3839scroll_failure (object *op, int failure, int power)
3840{
3841 if (abs (failure / 4) > power)
3842 power = abs (failure / 4); /* set minimum effect */
3843
3844 if (failure <= -1 && failure > -15)
3845 { /* wonder */
3846 object *tmp;
3847
3848 op->failmsg ("Your spell warps!");
3849 tmp = get_archetype (SPELL_WONDER);
3850 cast_wonder (op, op, 0, tmp);
3851 tmp->destroy ();
3852 }
3853 else if (failure <= -15 && failure > -35)
3854 { /* drain mana */
3855 op->failmsg ("Your mana is drained!");
3856 op->stats.sp -= random_roll (0, power - 1, op, PREFER_LOW);
3857 if (op->stats.sp < 0)
3858 op->stats.sp = 0;
3859 }
3860 else if (settings.spell_failure_effects == TRUE)
3861 {
3862 if (failure <= -35 && failure > -60)
3863 { /* confusion */
3864 op->failmsg ("The magic recoils on you!");
3865 confuse_player (op, op, power);
3866 }
3867 else if (failure <= -60 && failure > -70)
3868 { /* paralysis */
3869 op->failmsg ("The magic recoils and paralyzes you!");
3870 paralyze_player (op, op, power);
3871 }
3872 else if (failure <= -70 && failure > -80)
3873 { /* blind */
3874 op->failmsg ("The magic recoils on you!");
3875 blind_player (op, op, power);
3876 }
3877 else if (failure <= -80)
3878 { /* blast the immediate area */
3879 object *tmp = get_archetype (LOOSE_MANA);
3880 cast_magic_storm (op, tmp, power);
3881 op->failmsg ("You unleash uncontrolled mana!");
3882 tmp->destroy ();
3883 }
3884 }
3885} 4013}
3886 4014
3887void 4015void
3888apply_changes_to_player (object *pl, object *change) 4016apply_changes_to_player (object *pl, object *change)
3889{ 4017{
… …
3937 } 4065 }
3938 4066
3939 /* insert the randomitems from the change's treasurelist into 4067 /* insert the randomitems from the change's treasurelist into
3940 * the player ref: player.c 4068 * the player ref: player.c
3941 */ 4069 */
3942 if (change->randomitems != NULL) 4070 if (change->randomitems)
3943 give_initial_items (pl, change->randomitems); 4071 give_initial_items (pl, change->randomitems);
3944 4072
3945 /* set up the face, for some races. */ 4073 /* set up the face, for some races. */
3946 4074
3947 /* first, look for the force object banning 4075 /* first, look for the force object banning
3948 * changing the face. Certain races never change face with class. 4076 * changing the face. Certain races never change face with class.
3949 */ 4077 */
3950 for (walk = pl->inv; walk != NULL; walk = walk->below) 4078 for (walk = pl->inv; walk; walk = walk->below)
3951 if (!strcmp (walk->name, "NOCLASSFACECHANGE")) 4079 if (walk->name == shstr_NOCLASSFACECHANGE)
3952 flag_change_face = 0; 4080 flag_change_face = 0;
3953 4081
3954 if (flag_change_face) 4082 if (flag_change_face)
3955 { 4083 {
3956 pl->face = change->face; 4084 pl->face = change->face;
… …
3958 pl->flag [FLAG_ANIMATE] = change->flag [FLAG_ANIMATE]; 4086 pl->flag [FLAG_ANIMATE] = change->flag [FLAG_ANIMATE];
3959 } 4087 }
3960 4088
3961 /* check the special case of can't use weapons */ 4089 /* check the special case of can't use weapons */
3962 /*if(QUERY_FLAG(change,FLAG_USE_WEAPON)) CLEAR_FLAG(pl,FLAG_USE_WEAPON); */ 4090 /*if(QUERY_FLAG(change,FLAG_USE_WEAPON)) CLEAR_FLAG(pl,FLAG_USE_WEAPON); */
3963 if (!strcmp (change->name, "monk")) 4091 if (change->name == shstr_monk)
3964 CLEAR_FLAG (pl, FLAG_USE_WEAPON); 4092 CLEAR_FLAG (pl, FLAG_USE_WEAPON);
3965 4093
3966 break; 4094 break;
3967 } 4095 }
3968 } 4096 }
3969} 4097}
3970 4098
3971/**
3972 * This handles items of type 'transformer'.
3973 * Basically those items, used with a marked item, transform both items into something
3974 * else.
3975 * "Transformer" item has food decreased by 1, removed if 0 (0 at start means illimited)..
3976 * Change information is contained in the 'slaying' field of the marked item.
3977 * The format is as follow: transformer:[number ]yield[;transformer:...].
3978 * This way an item can be transformed in many things, and/or many objects.
3979 * The 'slaying' field for transformer is used as verb for the action.
3980 */
3981void
3982apply_item_transformer (object *pl, object *transformer)
3983{
3984 object *marked;
3985 object *new_item;
3986 char *find;
3987 char *separator;
3988 int yield;
3989 char got[MAX_BUF];
3990 int len;
3991
3992 if (!pl || !transformer)
3993 return;
3994
3995 marked = find_marked_object (pl);
3996
3997 if (!marked)
3998 {
3999 pl->failmsg (format ("Use the %s with what item?", query_name (transformer)));
4000 return;
4001 }
4002
4003 if (!marked->slaying)
4004 {
4005 pl->failmsg (format ("You can't use the %s with your %s!", query_name (transformer), query_name (marked)));
4006 return;
4007 }
4008
4009 /* check whether they are compatible or not */
4010 find = strstr (marked->slaying, transformer->arch->archname);
4011 if (!find || (*(find + strlen (transformer->arch->archname)) != ':'))
4012 {
4013 pl->failmsg (format ("You can't use the %s with your %s!", query_name (transformer), query_name (marked)));
4014 return;
4015 }
4016
4017 find += strlen (transformer->arch->archname) + 1;
4018 /* Item can be used, now find how many and what it yields */
4019 if (isdigit (*(find)))
4020 {
4021 yield = atoi (find);
4022 if (yield < 1)
4023 {
4024 LOG (llevDebug, "apply_item_transformer: item %s has slaying-yield %d.", query_base_name (marked, 0), yield);
4025 yield = 1;
4026 }
4027 }
4028 else
4029 yield = 1;
4030
4031 while (isdigit (*find))
4032 find++;
4033
4034 while (*find == ' ')
4035 find++;
4036
4037 memset (got, 0, MAX_BUF);
4038
4039 if ((separator = strchr (find, ';')) != NULL)
4040 len = separator - find;
4041 else
4042 len = strlen (find);
4043
4044 if (len > MAX_BUF - 1)
4045 len = MAX_BUF - 1;
4046
4047 strcpy (got, find);
4048 got[len] = '\0';
4049
4050 /* Now create new item, remove used ones when required. */
4051 new_item = get_archetype (got);
4052 if (!new_item)
4053 {
4054 pl->failmsg (format ("This %s is strange, better to not use it.", query_base_name (marked, 0)));
4055 return;
4056 }
4057
4058 new_item->nrof = yield;
4059
4060 pl->statusmsg (format ("You %s the %s.", &transformer->slaying, query_base_name (marked, 0)));
4061
4062 pl->insert (new_item);
4063 /* Eat up one item */
4064 marked->decrease ();
4065
4066 /* Eat one transformer if needed */
4067 if (transformer->stats.food)
4068 if (--transformer->stats.food == 0)
4069 transformer->decrease ();
4070}
4071

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