ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/server/apply.C
(Generate patch)

Comparing deliantra/server/server/apply.C (file contents):
Revision 1.178 by root, Sun Dec 28 15:28:47 2008 UTC vs.
Revision 1.245 by root, Tue Apr 6 03:53:29 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
… …
998 item->nrof *= nr; 668 item->nrof *= nr;
999 669
1000 if (converter->flag [FLAG_PRECIOUS]) 670 if (converter->flag [FLAG_PRECIOUS])
1001 SET_FLAG (item, FLAG_UNPAID); 671 SET_FLAG (item, FLAG_UNPAID);
1002 672
1003 if (is_in_shop (converter)) 673 if (converter->is_in_shop ())
1004 { 674 {
1005 // converters on shop floors don't work anymore, bug lets check for it 675 // converters on shop floors don't work anymore, bug lets check for it
1006 // and report in case someone still does it. 676 // and report in case someone still does it.
1007 LOG (llevDebug, "ITEMBUG: broken converter, converters on shop floor don't work: %s\n", 677 LOG (llevDebug, "ITEMBUG: broken converter, converters on shop floor don't work: %s\n",
1008 converter->debug_desc ()); 678 converter->debug_desc ());
… …
1031 * Handle apply on containers. 701 * Handle apply on containers.
1032 * By Eneq(@csd.uu.se). 702 * By Eneq(@csd.uu.se).
1033 * 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]
1034 * added the alchemical cauldron to the code -b.t. 704 * added the alchemical cauldron to the code -b.t.
1035 */ 705 */
1036int 706static int
1037apply_container (object *op, object *sack) 707apply_container (object *op, object *sack)
1038{ 708{
1039 if (op->type != PLAYER || !op->contr->ns) 709 if (op->type != PLAYER || !op->contr->ns)
1040 return 0; /* This might change */ 710 return 0; /* This might change */
1041 711
… …
1054 } 724 }
1055 725
1056 // 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
1057 if (sack->flag [FLAG_APPLIED]) 727 if (sack->flag [FLAG_APPLIED])
1058 { 728 {
1059 if (op->container == sack) 729 if (op->container_ () == sack)
1060 { 730 {
1061 // open on ground or inv, so close 731 // open on ground or inv, so close
1062 op->close_container (); 732 op->close_container ();
1063 return 1; 733 return 1;
1064 } 734 }
… …
1107{ 777{
1108 /* Only players can make sacrifices on spell casting altars. */ 778 /* Only players can make sacrifices on spell casting altars. */
1109 if (altar->inv && (!originator || originator->type != PLAYER)) 779 if (altar->inv && (!originator || originator->type != PLAYER))
1110 return 0; 780 return 0;
1111 781
1112 if (operate_altar (altar, &sacrifice)) 782 if (operate_altar (altar, &sacrifice, originator))
1113 { 783 {
1114 /* Simple check. Unfortunately, it means you can't cast magic bullet 784 /* Simple check. Unfortunately, it means you can't cast magic bullet
1115 * 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
1116 * is up to map designers to use them properly. 786 * is up to map designers to use them properly.
1117 */ 787 */
… …
1126/* push_button (altar);*/ 796/* push_button (altar);*/
1127 } 797 }
1128 else 798 else
1129 { 799 {
1130 altar->value = 1; /* works only once */ 800 altar->value = 1; /* works only once */
1131 push_button (altar); 801 push_button (altar, originator);
1132 } 802 }
1133 803
1134 return !sacrifice; 804 return !sacrifice;
1135 } 805 }
1136 else 806 else
… …
1153 823
1154 SET_FLAG (op, FLAG_NO_APPLY); /* prevent loops */ 824 SET_FLAG (op, FLAG_NO_APPLY); /* prevent loops */
1155 825
1156 bool has_unpaid = false; 826 bool has_unpaid = false;
1157 827
1158 // 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
1159 // a quick and small change :( 829 // a quick and small change :(
1160 for (object::depth_iterator item = op->begin (); item != op->end (); ++item) 830 for (object::depth_iterator item = op->begin (); item != op->end (); ++item)
1161 if (item->flag [FLAG_UNPAID]) 831 if (item->flag [FLAG_UNPAID])
1162 { 832 {
1163 has_unpaid = true; 833 has_unpaid = true;
… …
1211 /* this is only used for players */ 881 /* this is only used for players */
1212 rv = teleport (shop_mat, SHOP_MAT, op); 882 rv = teleport (shop_mat, SHOP_MAT, op);
1213 883
1214 if (has_unpaid) 884 if (has_unpaid)
1215 op->contr->play_sound (sound_find ("shop_buy")); 885 op->contr->play_sound (sound_find ("shop_buy"));
1216 else if (is_in_shop (op)) 886 else if (op->is_in_shop ())
1217 op->contr->play_sound (sound_find ("shop_enter")); 887 op->contr->play_sound (sound_find ("shop_enter"));
1218 else 888 else
1219 op->contr->play_sound (sound_find ("shop_leave")); 889 op->contr->play_sound (sound_find ("shop_leave"));
1220 890
1221 if (shop_mat->msg) 891 if (shop_mat->msg)
1222 op->statusmsg (shop_mat->msg); 892 op->statusmsg (shop_mat->msg);
1223 /* 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,
1224 * 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
1225 * actually the shop floor. 895 * actually the shop floor.
1226 */ 896 */
1227 else if (!rv && !is_in_shop (op)) 897 else if (!rv && !op->is_in_shop ())
1228 { 898 {
1229 opinion = shopkeeper_approval (op->map, op); 899 opinion = shopkeeper_approval (op->map, op);
1230 900
1231 op->statusmsg ( 901 op->statusmsg (
1232 opinion >= 0.90 ? "The shopkeeper gives you a friendly wave." 902 opinion >= 0.90 ? "The shopkeeper gives you a friendly wave."
… …
1263 * Handles applying a sign. 933 * Handles applying a sign.
1264 */ 934 */
1265static void 935static void
1266apply_sign (object *op, object *sign, int autoapply) 936apply_sign (object *op, object *sign, int autoapply)
1267{ 937{
938 if (!op->is_player())
939 return;
940
1268 if (sign->has_dialogue ()) 941 if (sign->has_dialogue ())
1269 { 942 {
1270 op->statusmsg (format ("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));
1271 return; 944 return;
1272 } 945 }
… …
1348 EXIT_Y (trap) + freearr_y[dir], 1021 EXIT_Y (trap) + freearr_y[dir],
1349 0, victim); 1022 0, victim);
1350} 1023}
1351 1024
1352/** 1025/**
1353 * 'victim' moves onto 'trap'
1354 * 'victim' leaves 'trap'
1355 * effect is determined by move_on/move_off of trap and move_type of victime.
1356 *
1357 * originator: Player, monster or other object that caused 'victim' to move
1358 * onto 'trap'. Will receive messages caused by this action. May be NULL.
1359 * However, some types of traps require an originator to function.
1360 */
1361void
1362move_apply (object *trap, object *victim, object *originator)
1363{
1364 static int recursion_depth = 0;
1365
1366 /* Only exits affect DMs. */
1367 if (QUERY_FLAG (victim, FLAG_WIZPASS) && trap->type != EXIT && trap->type != SIGN)
1368 return;
1369
1370 /* move_apply() is the most likely candidate for causing unwanted and
1371 * possibly unlimited recursion.
1372 */
1373 /* The following was changed because it was causing perfeclty correct
1374 * maps to fail. 1) it's not an error to recurse:
1375 * rune detonates, summoning monster. monster lands on nearby rune.
1376 * nearby rune detonates. This sort of recursion is expected and
1377 * proper. This code was causing needless crashes.
1378 */
1379 if (recursion_depth >= 500)
1380 {
1381 LOG (llevDebug, "WARNING: move_apply(): aborting recursion "
1382 "[trap arch %s, name %s; victim arch %s, name %s]\n", &trap->arch->archname, &trap->name, &victim->arch->archname, &victim->name);
1383 return;
1384 }
1385
1386 recursion_depth++;
1387 if (trap->head)
1388 trap = trap->head;
1389
1390 if (INVOKE_OBJECT (MOVE_TRIGGER, trap, ARG_OBJECT (victim), ARG_OBJECT (originator)))
1391 goto leave;
1392
1393 switch (trap->type)
1394 {
1395 case PLAYERMOVER:
1396 if (trap->attacktype && (trap->level || victim->type != PLAYER) && !should_director_abort (trap, victim))
1397 {
1398 if (!trap->stats.maxsp)
1399 trap->stats.maxsp = 2;
1400
1401 /* Is this correct? From the docs, it doesn't look like it
1402 * should be divided by trap->speed
1403 */
1404 victim->speed_left = -FABS (trap->stats.maxsp * victim->speed / trap->speed);
1405
1406 /* Just put in some sanity check. I think there is a bug in the
1407 * above with some objects have zero speed, and thus the player
1408 * getting permanently paralyzed.
1409 */
1410 if (victim->speed_left < -50.f)
1411 victim->speed_left = -50.f;
1412 /* LOG(llevDebug, "apply, playermove, player speed_left=%f\n", victim->speed_left); */
1413 }
1414 goto leave;
1415
1416 case SPINNER:
1417 if (victim->direction)
1418 {
1419 victim->direction = absdir (victim->direction - trap->stats.sp);
1420 update_turn_face (victim);
1421 }
1422 goto leave;
1423
1424 case DIRECTOR:
1425 if (victim->direction && !should_director_abort (trap, victim))
1426 {
1427 victim->direction = trap->stats.sp;
1428 update_turn_face (victim);
1429 }
1430 goto leave;
1431
1432 case BUTTON:
1433 case PEDESTAL:
1434 update_button (trap);
1435 goto leave;
1436
1437 case ALTAR:
1438 /* sacrifice victim on trap */
1439 apply_altar (trap, victim, originator);
1440 goto leave;
1441
1442 case THROWN_OBJ:
1443 if (trap->inv == NULL)
1444 goto leave;
1445 /* fallthrough */
1446
1447 case ARROW:
1448 /* bad bug: monster throw a object, make a step forwards, step on object ,
1449 * trigger this here and get hit by own missile - and will be own enemy.
1450 * Victim then is his own enemy and will start to kill herself (this is
1451 * removed) but we have not synced victim and his missile. To avoid senseless
1452 * action, we avoid hits here
1453 */
1454 if ((QUERY_FLAG (victim, FLAG_ALIVE) && trap->speed) && trap->owner != victim)
1455 hit_with_arrow (trap, victim);
1456 goto leave;
1457
1458 case SPELL_EFFECT:
1459 apply_spell_effect (trap, victim);
1460 goto leave;
1461
1462 case TRAPDOOR:
1463 {
1464 int max, sound_was_played;
1465 object *ab, *ab_next;
1466
1467 if (!trap->value)
1468 {
1469 int tot;
1470
1471 for (ab = trap->above, tot = 0; ab; ab = ab->above)
1472 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
1473 tot += ab->head_ ()->total_weight ();
1474
1475 if (!(trap->value = (tot > trap->weight) ? 1 : 0))
1476 goto leave;
1477
1478 SET_ANIMATION (trap, trap->value);
1479 update_object (trap, UP_OBJ_FACE);
1480 }
1481
1482 for (ab = trap->above, max = 100, sound_was_played = 0; --max && ab; ab = ab_next)
1483 {
1484 /* need to set this up, since if we do transfer the object,
1485 * ab->above would be bogus
1486 */
1487 ab_next = ab->above;
1488
1489 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
1490 {
1491 if (!sound_was_played)
1492 {
1493 trap->play_sound (trap->sound ? trap->sound : sound_find ("fall_hole"));
1494 sound_was_played = 1;
1495 }
1496
1497 ab->statusmsg ("You fall into a trapdoor!", NDI_RED);
1498 transfer_ob (ab, EXIT_X (trap), EXIT_Y (trap), 0, ab);
1499 }
1500 }
1501 goto leave;
1502 }
1503
1504 case CONVERTER:
1505 if (convert_item (victim, trap) < 0)
1506 {
1507 originator->failmsg (format ("The %s seems to be broken!", query_name (trap)));
1508 archetype::get (shstr_burnout)->insert_at (trap, trap);
1509 }
1510
1511 goto leave;
1512
1513 case TRIGGER_BUTTON:
1514 case TRIGGER_PEDESTAL:
1515 case TRIGGER_ALTAR:
1516 check_trigger (trap, victim);
1517 goto leave;
1518
1519 case DEEP_SWAMP:
1520 walk_on_deep_swamp (trap, victim);
1521 goto leave;
1522
1523 case CHECK_INV:
1524 check_inv (victim, trap);
1525 goto leave;
1526
1527 case HOLE:
1528 move_apply_hole (trap, victim);
1529 goto leave;
1530
1531 case EXIT:
1532 if (victim->type == PLAYER && EXIT_PATH (trap))
1533 {
1534 /* Basically, don't show exits leading to random maps the
1535 * players output.
1536 */
1537 if (trap->msg && strncmp (EXIT_PATH (trap), "/!", 2))
1538 victim->statusmsg (trap->msg, NDI_NAVY);
1539
1540 trap->play_sound (trap->sound);
1541 victim->enter_exit (trap);
1542 }
1543 goto leave;
1544
1545 case ENCOUNTER:
1546 /* may be some leftovers on this */
1547 goto leave;
1548
1549 case SHOP_MAT:
1550 apply_shop_mat (trap, victim);
1551 goto leave;
1552
1553 /* Drop a certain amount of gold, and have one item identified */
1554 case IDENTIFY_ALTAR:
1555 apply_id_altar (victim, trap, originator);
1556 goto leave;
1557
1558 case SIGN:
1559 if (victim->type != PLAYER && trap->stats.food > 0)
1560 goto leave; /* monsters musn't apply magic_mouths with counters */
1561
1562 apply_sign (victim, trap, 1);
1563 goto leave;
1564
1565 case CONTAINER:
1566 apply_container (victim, trap);
1567 goto leave;
1568
1569 case RUNE:
1570 case TRAP:
1571 if (trap->level && QUERY_FLAG (victim, FLAG_ALIVE))
1572 spring_trap (trap, victim);
1573 goto leave;
1574
1575 default:
1576 LOG (llevDebug, "name %s, arch %s, type %d with fly/walk on/off not "
1577 "handled in move_apply()\n", &trap->name, &trap->arch->archname, trap->type);
1578 goto leave;
1579 }
1580
1581leave:
1582 recursion_depth--;
1583}
1584
1585/**
1586 * Handles reading a regular (ie not containing a spell) book.
1587 */
1588static void
1589apply_book (object *op, object *tmp)
1590{
1591 int lev_diff;
1592 object *skill_ob;
1593
1594 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
1595 {
1596 op->failmsg ("You are unable to read while blind!");
1597 return;
1598 }
1599
1600 if (!tmp->msg)
1601 {
1602 op->failmsg (format ("You open the %s and find it empty.", &tmp->name));
1603 return;
1604 }
1605
1606 /* need a literacy skill to read stuff! */
1607 skill_ob = find_skill_by_name (op, tmp->skill);
1608 if (!skill_ob)
1609 {
1610 op->failmsg (format ("You are unable to decipher the strange symbols. H<You lack the %s skill to read this.>", &tmp->skill));
1611 return;
1612 }
1613
1614 lev_diff = tmp->level - (skill_ob->level + 5);
1615 if (!QUERY_FLAG (op, FLAG_WIZ) && lev_diff > 0)
1616 {
1617 op->failmsg (lev_diff < 2 ? "This book is just barely beyond your comprehension."
1618 : lev_diff < 3 ? "This book is slightly beyond your comprehension."
1619 : lev_diff < 5 ? "This book is beyond your comprehension."
1620 : lev_diff < 8 ? "This book is quite a bit beyond your comprehension."
1621 : lev_diff < 15 ? "This book is way beyond your comprehension."
1622 : "This book is totally beyond your comprehension.");
1623 return;
1624 }
1625
1626 readable_message_type *msgType = get_readable_message_type (tmp);
1627
1628 if (player *pl = op->contr)
1629 if (client *ns = pl->ns)
1630 pl->infobox (MSG_CHANNEL ("book"), format ("T<%s>\n\n%s", (char *)long_desc (tmp, op), &tmp->msg));
1631
1632 /* gain xp from reading */
1633 if (!QUERY_FLAG (tmp, FLAG_NO_SKILL_IDENT))
1634 { /* only if not read before */
1635 int exp_gain = calc_skill_exp (op, tmp, skill_ob);
1636
1637 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
1638 {
1639 /*exp_gain *= 2; because they just identified it too */
1640 SET_FLAG (tmp, FLAG_IDENTIFIED);
1641
1642 if (object *pl = tmp->visible_to ())
1643 esrv_update_item (UPD_FLAGS | UPD_NAME, pl, tmp);
1644 }
1645
1646 change_exp (op, exp_gain, skill_ob->skill, 0);
1647 SET_FLAG (tmp, FLAG_NO_SKILL_IDENT); /* so no more xp gained from this book */
1648 }
1649}
1650
1651/**
1652 * Handles the applying of a skill scroll, calling learn_skill straight.
1653 * op is the person learning the skill, tmp is the skill scroll object
1654 */
1655static void
1656apply_skillscroll (object *op, object *tmp)
1657{
1658 switch (learn_skill (op, tmp))
1659 {
1660 case 0:
1661 op->play_sound (sound_find ("generic_fail"));
1662 op->failmsg (format ("You already possess the knowledge held within the %s.", query_name (tmp)));
1663 break;
1664
1665 case 1:
1666 tmp->decrease ();
1667 op->play_sound (sound_find ("skill_learn"));
1668 op->statusmsg (format ("You succeed in learning %s", &tmp->skill));
1669 break;
1670
1671 default:
1672 tmp->decrease ();
1673 op->play_sound (sound_find ("generic_fail"));
1674 op->failmsg (format ("You fail to learn the knowledge of the %s.\n", query_name (tmp)));
1675 break;
1676 }
1677}
1678
1679/**
1680 * Actually makes op learn spell.
1681 * Informs player of what happens.
1682 */
1683void
1684do_learn_spell (object *op, object *spell, int special_prayer)
1685{
1686 object *tmp;
1687
1688 if (op->type != PLAYER)
1689 {
1690 LOG (llevError, "BUG: do_learn_spell(): not a player\n");
1691 return;
1692 }
1693
1694 /* Upgrade special prayers to normal prayers */
1695 if ((tmp = check_spell_known (op, spell->name)) != NULL)
1696 {
1697 if (special_prayer && !QUERY_FLAG (tmp, FLAG_STARTEQUIP))
1698 {
1699 LOG (llevError, "BUG: do_learn_spell(): spell already known, but not marked as startequip\n");
1700 return;
1701 }
1702 return;
1703 }
1704
1705 op->contr->play_sound (sound_find ("learn_spell"));
1706
1707 tmp = spell->clone ();
1708 insert_ob_in_ob (tmp, op);
1709
1710 if (special_prayer)
1711 SET_FLAG (tmp, FLAG_STARTEQUIP);
1712
1713 esrv_add_spells (op->contr, tmp);
1714}
1715
1716/**
1717 * Erases spell from player's inventory.
1718 */
1719void
1720do_forget_spell (object *op, const char *spell)
1721{
1722 object *spob;
1723
1724 if (op->type != PLAYER)
1725 {
1726 LOG (llevError, "BUG: do_forget_spell(): not a player\n");
1727 return;
1728 }
1729 if ((spob = check_spell_known (op, spell)) == NULL)
1730 {
1731 LOG (llevError, "BUG: do_forget_spell(): spell not known\n");
1732 return;
1733 }
1734
1735 op->failmsg (format ("You lose knowledge of %s.", spell));
1736 player_unready_range_ob (op->contr, spob);
1737 esrv_remove_spell (op->contr, spob);
1738 spob->destroy ();
1739}
1740
1741/**
1742 * Handles player applying a spellbook.
1743 * Checks whether player has knowledge of required skill, doesn't already know the spell,
1744 * stuff like that. Random learning failure too.
1745 */
1746static void
1747apply_spellbook (object *op, object *tmp)
1748{
1749 object *skop, *spell, *spell_skill;
1750
1751 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
1752 {
1753 op->failmsg ("You are unable to read while blind.");
1754 return;
1755 }
1756
1757 /* artifact_spellbooks have 'slaying' field point to a spell name,
1758 * instead of having their spell stored in stats.sp. These are
1759 * legacy spellbooks
1760 */
1761 if (tmp->slaying)
1762 {
1763 spell = arch_to_object (find_archetype_by_object_name (tmp->slaying));
1764 if (!spell)
1765 {
1766 op->failmsg (format ("The book's formula for %s is incomplete.", &tmp->slaying));
1767 return;
1768 }
1769 else
1770 insert_ob_in_ob (spell, tmp);
1771
1772 tmp->slaying = 0;
1773 }
1774
1775 skop = find_skill_by_name (op, tmp->skill);
1776
1777 /* need a literacy skill to learn spells. Also, having a literacy level
1778 * lower than the spell will make learning the spell more difficult */
1779 if (!skop)
1780 {
1781 op->failmsg (format ("You can't read! Your attempt fails. H<You lack the %s skill.>", &tmp->skill));
1782 return;
1783 }
1784
1785 spell = tmp->inv;
1786
1787 if (!spell)
1788 {
1789 LOG (llevError, "apply_spellbook: Book %s has no spell in it!\n", &tmp->name);
1790 op->failmsg ("The spellbook symbols make no sense. This is a bug, please report!");
1791 return;
1792 }
1793
1794 if (skop->level < int (sqrtf (spell->level) * 1.5f))
1795 {
1796 op->failmsg (format ("You are unable to decipher the strange symbols. H<Your %s level is too low.>", &tmp->skill));
1797 return;
1798 }
1799
1800 op->statusmsg (format ("The spellbook contains the %s level spell %s.", get_levelnumber (spell->level), &spell->name));
1801
1802 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
1803 identify (tmp);
1804
1805 /* I removed the check for special_prayer_mark here - it didn't make
1806 * a lot of sense - special prayers are not found in spellbooks, and
1807 * if the player doesn't know the spell, doesn't make a lot of sense that
1808 * they would have a special prayer mark.
1809 */
1810 if (check_spell_known (op, spell->name))
1811 {
1812 op->statusmsg ("You already know that spell. H<It makes no sense to learn spells twice, and would only waste the spellbook.>\n");
1813 return;
1814 }
1815
1816 if (spell->skill)
1817 {
1818 spell_skill = find_skill_by_name (op, spell->skill);
1819
1820 if (!spell_skill)
1821 {
1822 op->failmsg (format ("You lack the skill %s to use this spell.", &spell->skill));
1823 return;
1824 }
1825
1826 if (spell_skill->level < spell->level)
1827 {
1828 op->failmsg (format ("You need to be level %d in %s to learn this spell.", spell->level, &spell->skill));
1829 return;
1830 }
1831 }
1832
1833 /* Logic as follows
1834 *
1835 * 1- MU spells use Int to learn, Cleric spells use Wisdom
1836 *
1837 * 2- The learner's skill level in literacy adjusts the chance to learn
1838 * a spell.
1839 *
1840 * 3 -Automatically fail to learn if you read while confused
1841 *
1842 * Overall, chances are the same but a player will find having a high
1843 * literacy rate very useful! -b.t.
1844 */
1845 if (QUERY_FLAG (op, FLAG_CONFUSED))
1846 {
1847 op->failmsg ("In your confused state you flub the wording of the text!");
1848 scroll_failure (op, 0 - random_roll (0, spell->level, op, PREFER_LOW), MAX (spell->stats.sp, spell->stats.grace));
1849 }
1850 else if (QUERY_FLAG (tmp, FLAG_STARTEQUIP) ||
1851 (random_roll (0, 100, op, PREFER_LOW) - (5 * skop->level)) < learn_spell[spell->stats.grace ? op->stats.Wis : op->stats.Int])
1852 {
1853 op->statusmsg ("You succeed in learning the spell!", NDI_GREEN);
1854 do_learn_spell (op, spell, 0);
1855
1856 /* xp gain to literacy for spell learning */
1857 if (!QUERY_FLAG (tmp, FLAG_STARTEQUIP))
1858 change_exp (op, calc_skill_exp (op, tmp, skop), skop->skill, 0);
1859 }
1860 else
1861 {
1862 op->contr->play_sound (sound_find ("fumble_spell"));
1863 op->failmsg ("You fail to learn the spell. H<Wis (priests) or Int (wizards) governs the chance of learning a prayer or spell.>\n");
1864 }
1865
1866 tmp->decrease ();
1867}
1868
1869/**
1870 * Handles applying a spell scroll.
1871 */
1872void
1873apply_scroll (object *op, object *tmp, int dir)
1874{
1875 object *skop;
1876
1877 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
1878 {
1879 op->failmsg ("You are unable to read while blind.");
1880 return;
1881 }
1882
1883 if (!tmp->inv || tmp->inv->type != SPELL)
1884 {
1885 op->failmsg ("The scroll just doesn't make sense! H<...and never will make sense.>");
1886 return;
1887 }
1888
1889 if (op->type == PLAYER)
1890 {
1891 /* players need a literacy skill to read stuff! */
1892 int exp_gain = 0;
1893
1894 /* hard code literacy - tmp->skill points to where the exp
1895 * should go for anything killed by the spell.
1896 */
1897 skop = find_skill_by_name (op, skill_names[SK_LITERACY]);
1898
1899 if (!skop)
1900 {
1901 op->failmsg (format ("You are unable to decipher the strange symbols. H<You lack the %s skill.>", &skill_names[SK_LITERACY]));
1902 return;
1903 }
1904
1905 if ((exp_gain = calc_skill_exp (op, tmp, skop)))
1906 change_exp (op, exp_gain, skop->skill, 0);
1907 }
1908
1909 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
1910 identify (tmp);
1911
1912 op->statusmsg (format ("The scroll of %s turns to dust.", &tmp->inv->name));
1913
1914 cast_spell (op, tmp, dir, tmp->inv, NULL);
1915 tmp->decrease ();
1916}
1917
1918/**
1919 * Applies a treasure object - by default, chest. op
1920 * is the person doing the applying, tmp is the treasure
1921 * chest.
1922 */
1923static void
1924apply_treasure (object *op, object *tmp)
1925{
1926 /* Nice side effect of this treasure creation method is that the treasure
1927 * for the chest is done when the chest is created, and put into the chest
1928 * inventory. So that when the chest burns up, the items still exist. Also
1929 * prevents people from moving chests to more difficult maps to get better
1930 * treasure
1931 */
1932 object *treas = tmp->inv;
1933
1934 if (!treas)
1935 {
1936 op->statusmsg ("The chest was empty.");
1937 tmp->decrease ();
1938 return;
1939 }
1940
1941 while (tmp->inv)
1942 {
1943 treas = tmp->inv;
1944 treas->remove ();
1945
1946 treas->x = op->x;
1947 treas->y = op->y;
1948 treas = insert_ob_in_map (treas, op->map, op, INS_BELOW_ORIGINATOR);
1949
1950 if (treas && (treas->type == RUNE || treas->type == TRAP) && treas->level && QUERY_FLAG (op, FLAG_ALIVE))
1951 spring_trap (treas, op);
1952
1953 /* If either player or container was destroyed, no need to do
1954 * further processing. I think this should be enclused with
1955 * spring trap above, as I don't think there is otherwise
1956 * any way for the treasure chest or player to get killed.
1957 */
1958 if (op->destroyed () || tmp->destroyed ())
1959 break;
1960 }
1961
1962 if (!tmp->destroyed () && !tmp->inv)
1963 tmp->decrease (true);
1964}
1965
1966/**
1967 * op eats food.
1968 * If player, takes care of messages and dragon special food.
1969 */
1970static void
1971apply_food (object *op, object *tmp)
1972{
1973 int capacity_remaining;
1974
1975 if (op->type != PLAYER)
1976 op->stats.hp = op->stats.maxhp;
1977 else
1978 {
1979 /* check if this is a dragon (player), eating some flesh */
1980 if (tmp->type == FLESH && is_dragon_pl (op) && dragon_eat_flesh (op, tmp))
1981 ;
1982 else
1983 {
1984 /* usual case - no dragon meal: */
1985 if (op->stats.food + tmp->stats.food > 999)
1986 {
1987 if (tmp->type == FOOD || tmp->type == FLESH)
1988 op->failmsg ("You feel full, but what a waste of food!");
1989 else
1990 op->statusmsg ("Most of the drink goes down your face not your throat!");
1991 }
1992
1993 tmp->play_sound (
1994 tmp->sound
1995 ? tmp->sound
1996 : tmp->type == DRINK
1997 ? sound_find ("eat_drink")
1998 : sound_find ("eat_food")
1999 );
2000
2001 if (!QUERY_FLAG (tmp, FLAG_CURSED))
2002 {
2003 const char *buf;
2004
2005 if (!is_dragon_pl (op))
2006 {
2007 /* eating message for normal players */
2008 if (tmp->type == DRINK)
2009 buf = format ("Ahhh...that %s tasted good.", &tmp->name);
2010 else
2011 buf = format ("The %s tasted %s", &tmp->name, tmp->type == FLESH ? "terrible!" : "good.");
2012 }
2013 else
2014 /* eating message for dragon players */
2015 buf = format ("The %s tasted terrible!", &tmp->name);
2016
2017 op->statusmsg (buf);
2018
2019 capacity_remaining = 999 - op->stats.food;
2020 op->stats.food += tmp->stats.food;
2021 if (capacity_remaining < tmp->stats.food)
2022 op->stats.hp += capacity_remaining / 50;
2023 else
2024 op->stats.hp += tmp->stats.food / 50;
2025
2026 if (op->stats.hp > op->stats.maxhp)
2027 op->stats.hp = op->stats.maxhp;
2028 if (op->stats.food > 999)
2029 op->stats.food = 999;
2030 }
2031
2032 /* special food hack -b.t. */
2033 if (tmp->title || QUERY_FLAG (tmp, FLAG_CURSED))
2034 eat_special_food (op, tmp);
2035 }
2036 }
2037
2038 handle_apply_yield (tmp);
2039 tmp->decrease ();
2040}
2041
2042/**
2043 * A dragon is eating some flesh. If the flesh contains resistances,
2044 * there is a chance for the dragon's skin to get improved.
2045 *
2046 * attributes:
2047 * object *op the object (dragon player) eating the flesh
2048 * object *meal the flesh item, getting chewed in dragon's mouth
2049 * return:
2050 * int 1 if eating successful, 0 if it doesn't work
2051 */
2052int
2053dragon_eat_flesh (object *op, object *meal)
2054{
2055 object *skin = NULL; /* pointer to dragon skin force */
2056 object *abil = NULL; /* pointer to dragon ability force */
2057 object *tmp = NULL; /* tmp. object */
2058
2059 double chance; /* improvement-chance of one resistance type */
2060 double totalchance = 1; /* total chance of gaining one resistance */
2061 double bonus = 0; /* level bonus (improvement is easier at lowlevel) */
2062 double mbonus = 0; /* monster bonus */
2063 int atnr_winner[NROFATTACKS]; /* winning candidates for resistance improvement */
2064 int winners = 0; /* number of winners */
2065 int i; /* index */
2066
2067 /* let's make sure and doublecheck the parameters */
2068 if (meal->type != FLESH || !is_dragon_pl (op))
2069 return 0;
2070
2071 /* now grab the 'dragon_skin'- and 'dragon_ability'-forces
2072 from the player's inventory */
2073 for (tmp = op->inv; tmp; tmp = tmp->below)
2074 if (tmp->type == FORCE)
2075 if (tmp->arch->archname == shstr_dragon_skin_force)
2076 skin = tmp;
2077 else if (tmp->arch->archname == shstr_dragon_ability_force)
2078 abil = tmp;
2079
2080 /* if either skin or ability are missing, this is an old player
2081 which is not to be considered a dragon -> bail out */
2082 if (skin == NULL || abil == NULL)
2083 return 0;
2084
2085 /* now start by filling stomache and health, according to food-value */
2086 if ((999 - op->stats.food) < meal->stats.food)
2087 op->stats.hp += (999 - op->stats.food) / 50;
2088 else
2089 op->stats.hp += meal->stats.food / 50;
2090
2091 if (op->stats.hp > op->stats.maxhp)
2092 op->stats.hp = op->stats.maxhp;
2093
2094 op->stats.food = MIN (999, op->stats.food + meal->stats.food);
2095
2096 /*LOG(llevDebug, "-> player: %d, flesh: %d\n", op->level, meal->level); */
2097
2098 /* on to the interesting part: chances for adding resistance */
2099 for (i = 0; i < NROFATTACKS; i++)
2100 {
2101 if (meal->resist[i] > 0 && atnr_is_dragon_enabled (i))
2102 {
2103 /* got positive resistance, now calculate improvement chance (0-100) */
2104
2105 /* this bonus makes resistance increase easier at lower levels */
2106 bonus = (settings.max_level - op->level) * 30. / ((double) settings.max_level);
2107 if (i == abil->stats.exp)
2108 bonus += 5; /* additional bonus for resistance of ability-focus */
2109
2110 /* monster bonus increases with level, because high-level
2111 flesh is too rare */
2112 mbonus = op->level * 20. / ((double) settings.max_level);
2113
2114 chance = (((double) MIN (op->level + bonus, meal->level + bonus + mbonus)) * 100. /
2115 ((double) settings.max_level)) - skin->resist[i];
2116
2117 if (chance >= 0.)
2118 chance += 1.;
2119 else
2120 chance = (chance < -12) ? 0. : 1. / pow (2., -chance);
2121
2122 /* chance is proportional to amount of resistance (max. 50) */
2123 chance *= ((double) (MIN (meal->resist[i], 50))) / 50.;
2124
2125 /* doubled chance for resistance of ability-focus */
2126 if (i == abil->stats.exp)
2127 chance = MIN (100., chance * 2.);
2128
2129 /* now make the throw and save all winners (Don't insert luck bonus here!) */
2130 if (rndm (10000) < (unsigned int) (chance * 100))
2131 {
2132 atnr_winner[winners] = i;
2133 winners++;
2134 }
2135
2136 if (chance >= 0.01)
2137 totalchance *= 1 - chance / 100;
2138
2139 /*LOG(llevDebug, " %s: bonus %.1f, chance %.1f\n", attacks[i], bonus, chance); */
2140 }
2141 }
2142
2143 /* inverse totalchance as until now we have the failure-chance */
2144 totalchance = 100 - totalchance * 100;
2145
2146 /* print message according to totalchance */
2147 const char *buf;
2148 if (totalchance > 50.)
2149 buf = format ("Hmm! The %s tasted delicious!", &meal->name);
2150 else if (totalchance > 10.)
2151 buf = format ("The %s tasted very good.", &meal->name);
2152 else if (totalchance > 1.)
2153 buf = format ("The %s tasted good.", &meal->name);
2154 else if (totalchance > 0.1)
2155 buf = format ("The %s tasted bland.", &meal->name);
2156 else if (totalchance >= 0.01)
2157 buf = format ("The %s had a boring taste.", &meal->name);
2158 else if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat))
2159 buf = format ("The %s tasted strange.", &meal->name);
2160 else
2161 buf = format ("The %s had no taste.", &meal->name);
2162
2163 op->statusmsg (buf);
2164
2165 /* now choose a winner if we have any */
2166 i = -1;
2167 if (winners > 0)
2168 i = atnr_winner [rndm (winners)];
2169
2170 if (i >= 0 && i < NROFATTACKS && skin->resist[i] < 95)
2171 {
2172 /* resistance increased! */
2173 skin->resist[i]++;
2174 op->update_stats ();
2175
2176 op->statusmsg (format ("Your skin is now more resistant to %s!", change_resist_msg[i]));
2177 }
2178
2179 /* if this flesh contains a new ability focus, we mark it
2180 into the ability_force and it will take effect on next level */
2181 if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat) && meal->last_eat != abil->last_eat)
2182 {
2183 abil->last_eat = meal->last_eat; /* write: last_eat <new attnr focus> */
2184
2185 if (meal->last_eat != abil->stats.exp)
2186 op->statusmsg (format (
2187 "Your metabolism prepares to focus on %s!\n"
2188 "The change will happen at level %d.",
2189 change_resist_msg[meal->last_eat],
2190 abil->level + 1
2191 ));
2192 else
2193 {
2194 op->statusmsg (format ("Your metabolism will continue to focus on %s.", change_resist_msg[meal->last_eat]));
2195 abil->last_eat = 0;
2196 }
2197 }
2198
2199 return 1;
2200}
2201
2202/**
2203 * Handles applying an improve armor scroll.
2204 * Does some sanity checks, then calls improve_armour.
2205 */
2206static void
2207apply_armour_improver (object *op, object *tmp)
2208{
2209 object *armor;
2210
2211 if (!QUERY_FLAG (op, FLAG_WIZCAST) && (get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_NO_MAGIC))
2212 {
2213 op->failmsg ("Something blocks the magic of the scroll. H<This area prevents magic effects.>");
2214 return;
2215 }
2216
2217 armor = find_marked_object (op);
2218
2219 if (!armor)
2220 {
2221 op->failmsg ("You need to mark an armor object. Use the right mouse button popup or the mark command to do this.");
2222 return;
2223 }
2224
2225 if (armor->type != ARMOUR
2226 && armor->type != CLOAK
2227 && armor->type != BOOTS && armor->type != GLOVES && armor->type != BRACERS && armor->type != SHIELD && armor->type != HELMET)
2228 {
2229 op->failmsg ("Your marked item is not armour!\n");
2230 return;
2231 }
2232
2233 op->statusmsg ("Applying armour enchantment.");
2234 improve_armour (op, tmp, armor);
2235}
2236
2237void
2238apply_poison (object *op, object *tmp)
2239{
2240 // need to do it now when it is still on the map
2241 handle_apply_yield (tmp);
2242
2243 object *poison = tmp->split (1);
2244
2245 if (op->type == PLAYER)
2246 {
2247 op->contr->play_sound (sound_find ("drink_poison"));
2248 op->failmsg ("Yech! That tasted poisonous!");
2249 op->contr->killer = poison;
2250 }
2251
2252 if (poison->stats.hp > 0)
2253 {
2254 LOG (llevDebug, "Trying to poison player/monster for %d hp\n", poison->stats.hp);
2255 hit_player (op, poison->stats.hp, tmp, AT_POISON, 1);
2256 }
2257
2258 op->stats.food -= op->stats.food / 4;
2259 poison->destroy ();
2260}
2261
2262/**
2263 * This function return true if the exit is not a 2 ways one or it is 2 ways, valid exit.
2264 * A valid 2 way exit means:
2265 * -You can come back (there is another exit at the other side)
2266 * -You are
2267 * ° the owner of the exit
2268 * ° or in the same party as the owner
2269 *
2270 * Note: a owner in a 2 way exit is saved as the owner's name
2271 * in the field exit->name cause the field exit->owner doesn't
2272 * survive in the swapping (in fact the whole exit doesn't survive).
2273 */
2274int
2275is_legal_2ways_exit (object *op, object *exit)
2276{
2277 if (exit->stats.exp != 1)
2278 return 1; /*This is not a 2 way, so it is legal */
2279
2280#if 0 //TODO
2281 if (!has_been_loaded (EXIT_PATH (exit)) && exit->race)
2282 return 0; /* This is a reset town portal */
2283#endif
2284
2285 LOG (llevError | logBacktrace, "sync map load due to %s\n", exit->debug_desc ());
2286
2287 maptile *exitmap = maptile::find_sync (EXIT_PATH (exit), exit->map);
2288
2289 if (exitmap)
2290 {
2291 exitmap->load_sync ();
2292
2293 object *tmp = exitmap->at (EXIT_X (exit), EXIT_Y (exit)).bot;
2294
2295 if (!tmp)
2296 return 0;
2297
2298 for (; tmp; tmp = tmp->above)
2299 {
2300 if (tmp->type != EXIT)
2301 continue; /*Not an exit */
2302
2303 if (!EXIT_PATH (tmp))
2304 continue; /*Not a valid exit */
2305
2306 if ((EXIT_X (tmp) != exit->x) || (EXIT_Y (tmp) != exit->y))
2307 continue; /*Not in the same place */
2308
2309 if (exit->map->path != EXIT_PATH (tmp))
2310 continue; /*Not in the same map */
2311
2312 /* From here we have found the exit is valid. However we do
2313 * here the check of the exit owner. It is important for the
2314 * town portals to prevent strangers from visiting your appartments
2315 */
2316 if (!exit->race)
2317 return 1; /*No owner, free for all! */
2318
2319 object *exit_owner = 0;
2320
2321 for_all_players (pp)
2322 {
2323 if (!pp->ob)
2324 continue;
2325
2326 if (pp->ob->name != exit->race)
2327 continue;
2328
2329 exit_owner = pp->ob; /*We found a player which correspond to the player name */
2330 break;
2331 }
2332
2333 if (!exit_owner)
2334 return 0; /* No more owner */
2335
2336 if (exit_owner->contr == op->contr)
2337 return 1; /*It is your exit */
2338
2339 if (exit_owner && /*There is a owner */
2340 (op->contr) && /*A player tries to pass */
2341 ((exit_owner->contr->party == NULL) || /*No pass if controller has no party */
2342 (exit_owner->contr->party != op->contr->party))) /* Or not the same as op */
2343 return 0;
2344
2345 return 1;
2346 }
2347 }
2348
2349 return 0;
2350}
2351
2352/**
2353 * Main apply handler.
2354 *
2355 * Checks for unpaid items before applying.
2356 *
2357 * Return value:
2358 * 0: player or monster can't apply objects of that type
2359 * 1: has been applied, or there was an error applying the object
2360 * 2: objects of that type can't be applied if not in inventory
2361 *
2362 * op is the object that is causing object to be applied, tmp is the object
2363 * being applied.
2364 *
2365 * aflag is special (always apply/unapply) flags. Nothing is done with
2366 * them in this function - they are passed to apply_special
2367 */
2368int
2369manual_apply (object *op, object *tmp, int aflag)
2370{
2371 tmp = tmp->head_ ();
2372
2373 if (QUERY_FLAG (tmp, FLAG_UNPAID) && !QUERY_FLAG (tmp, FLAG_APPLIED))
2374 {
2375 if (op->type == PLAYER)
2376 {
2377 op->failmsg ("You should pay for it first! H<You cannot use items marked as unpaid.>");
2378 return 1;
2379 }
2380 else
2381 return 0; /* monsters just skip unpaid items */
2382 }
2383
2384 if (INVOKE_OBJECT (APPLY, tmp, ARG_OBJECT (op)))
2385 return RESULT_INT (0);
2386
2387 switch (tmp->type)
2388 {
2389 case CF_HANDLE:
2390 op->play_sound (sound_find ("turn_handle"));
2391 op->statusmsg ("You turn the handle.");
2392 tmp->value = tmp->value ? 0 : 1;
2393 SET_ANIMATION (tmp, tmp->value);
2394 update_object (tmp, UP_OBJ_FACE);
2395 push_button (tmp);
2396 return 1;
2397
2398 case TRIGGER:
2399 if (check_trigger (tmp, op))
2400 {
2401 op->statusmsg ("You turn the handle.");
2402 op->play_sound (sound_find ("turn_handle"));
2403 }
2404 else
2405 op->failmsg ("The handle doesn't move.");
2406
2407 return 1;
2408
2409 case EXIT:
2410 if (op->type != PLAYER)
2411 return 0;
2412
2413 if (!EXIT_PATH (tmp) || !is_legal_2ways_exit (op, tmp))
2414 op->failmsg (format ("The %s is closed.", query_name (tmp)));
2415 else
2416 {
2417 /* Don't display messages for random maps. */
2418 if (tmp->msg && strncmp (EXIT_PATH (tmp), "/!", 2))
2419 op->statusmsg (tmp->msg, NDI_NAVY);
2420
2421 op->enter_exit (tmp);
2422 }
2423
2424 return 1;
2425
2426 case INSCRIBABLE:
2427 op->statusmsg (tmp->msg);
2428 // maybe show a spell menu to chose from or something like that
2429 return 1;
2430
2431 case SIGN:
2432 apply_sign (op, tmp, 0);
2433 return 1;
2434
2435 case BOOK:
2436 if (op->type == PLAYER)
2437 {
2438 apply_book (op, tmp);
2439 return 1;
2440 }
2441 else
2442 return 0;
2443
2444 case SKILLSCROLL:
2445 if (op->type == PLAYER)
2446 {
2447 apply_skillscroll (op, tmp);
2448 return 1;
2449 }
2450 else
2451 return 0;
2452
2453 case SPELLBOOK:
2454 if (op->type == PLAYER)
2455 {
2456 apply_spellbook (op, tmp);
2457 return 1;
2458 }
2459 else
2460 return 0;
2461
2462 case SCROLL:
2463 apply_scroll (op, tmp, 0);
2464 return 1;
2465
2466 case POTION:
2467 apply_potion (op, tmp);
2468 return 1;
2469
2470 /* Eneq(@csd.uu.se): Handle apply on containers. */
2471 //TODO: remove, as it is unsed?
2472 case CLOSE_CON:
2473 apply_container (op, tmp->env);
2474 return 1;
2475
2476 case CONTAINER:
2477 apply_container (op, tmp);
2478 return 1;
2479
2480 case TREASURE:
2481 if (op->type == PLAYER)
2482 {
2483 apply_treasure (op, tmp);
2484 return 1;
2485 }
2486 else
2487 return 0;
2488
2489 case WEAPON:
2490 case ARMOUR:
2491 case BOOTS:
2492 case GLOVES:
2493 case AMULET:
2494 case GIRDLE:
2495 case BRACERS:
2496 case SHIELD:
2497 case HELMET:
2498 case RING:
2499 case CLOAK:
2500 case WAND:
2501 case ROD:
2502 case HORN:
2503 case SKILL:
2504 case BOW:
2505 case LAMP:
2506 case BUILDER:
2507 case SKILL_TOOL:
2508 if (tmp->env != op)
2509 return 2; /* not in inventory */
2510
2511 apply_special (op, tmp, aflag);
2512 return 1;
2513
2514 case DRINK:
2515 case FOOD:
2516 case FLESH:
2517 apply_food (op, tmp);
2518 return 1;
2519
2520 case POISON:
2521 apply_poison (op, tmp);
2522 return 1;
2523
2524 case SAVEBED:
2525 return 1;
2526
2527 case ARMOUR_IMPROVER:
2528 if (op->type == PLAYER)
2529 {
2530 apply_armour_improver (op, tmp);
2531 return 1;
2532 }
2533 else
2534 return 0;
2535
2536 case WEAPON_IMPROVER:
2537 check_improve_weapon (op, tmp);
2538 return 1;
2539
2540 case CLOCK:
2541 if (op->type == PLAYER)
2542 {
2543 char buf[MAX_BUF];
2544 timeofday_t tod;
2545
2546 get_tod (&tod);
2547 op->play_sound (sound_find ("sound_clock"));
2548 op->statusmsg (format (
2549 "It is %d minute%s past %d o'clock %s",
2550 tod.minute + 1, ((tod.minute + 1 < 2) ? "" : "s"),
2551 ((tod.hour % 14 == 0) ? 14 : ((tod.hour) % 14)), ((tod.hour >= 14) ? "pm" : "am")
2552 ));
2553 return 1;
2554 }
2555 else
2556 return 0;
2557
2558 case MENU:
2559 if (op->type == PLAYER)
2560 {
2561 shop_listing (tmp, op);
2562 return 1;
2563 }
2564 else
2565 return 0;
2566
2567 case POWER_CRYSTAL:
2568 apply_power_crystal (op, tmp); /* see egoitem.c */
2569 return 1;
2570
2571 case LIGHTER: /* for lighting torches/lanterns/etc */
2572 if (op->type == PLAYER)
2573 {
2574 apply_lighter (op, tmp);
2575 return 1;
2576 }
2577 else
2578 return 0;
2579
2580 case ITEM_TRANSFORMER:
2581 apply_item_transformer (op, tmp);
2582 return 1;
2583
2584 default:
2585 return 0;
2586 }
2587}
2588
2589/* quiet suppresses the "don't know how to apply" and "you must get it first"
2590 * messages as needed by player_apply_below(). But there can still be
2591 * "but you are floating high above the ground" messages.
2592 *
2593 * Same return value as apply() function.
2594 */
2595int
2596player_apply (object *pl, object *op, int aflag, int quiet)
2597{
2598 if (!op->env && (pl->move_type & MOVE_FLYING))
2599 {
2600 /* player is flying and applying object not in inventory */
2601 if (!QUERY_FLAG (pl, FLAG_WIZ) && !(op->move_type & MOVE_FLYING))
2602 {
2603 pl->failmsg ("But you are floating high above the ground! "
2604 "H<You have to stop levitating first, if you can, either by using your levitation skill, "
2605 "or waiting till the levitation effect wears off.>");
2606 return 0;
2607 }
2608 }
2609
2610 pl->contr->last_used = op;
2611
2612 int tmp = manual_apply (pl, op, aflag);
2613
2614 if (!quiet)
2615 {
2616 if (tmp == 0)
2617 pl->statusmsg (format ("I don't know how to apply the %s.", query_name (op)));
2618 else if (tmp == 2)
2619 pl->failmsg ("You must get it first!\n");
2620 }
2621
2622 return tmp;
2623}
2624
2625/**
2626 * player_apply_below attempts to apply the object 'below' the player.
2627 * If the player has an open container, we use that for below, otherwise
2628 * we use the ground.
2629 */
2630void
2631player_apply_below (object *pl)
2632{
2633 int floors = 0;
2634
2635 /* If using a container, set the starting item to be the top
2636 * item in the container. Otherwise, use the map.
2637 * This is perhaps more complicated. However, I want to make sure that
2638 * we don't use a corrupt pointer for the next object, so we get the
2639 * next object in the stack before applying. This is can only be a
2640 * problem if player_apply() has a bug in that it uses the object but does
2641 * not return a proper value.
2642 */
2643 for (object *next, *tmp = pl->container ? pl->container->inv : pl->below; tmp; tmp = next)
2644 {
2645 next = tmp->below;
2646
2647 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
2648 floors++;
2649 else if (floors > 0)
2650 return; /* process only floor objects after first floor object */
2651
2652 /* If it is visible, player can apply it. If it is applied by
2653 * person moving on it, also activate. Added code to make it
2654 * so that at least one of players movement types be that which
2655 * the item needs.
2656 */
2657 if (!tmp->invisible || (tmp->move_on & pl->move_type))
2658 if (player_apply (pl, tmp, 0, 1) == 1)
2659 return;
2660
2661 if (floors >= 2)
2662 return; /* process at most two floor objects */
2663 }
2664}
2665
2666/**
2667 * Unapplies specified item. 1026 * Unapplies specified item.
2668 * No check done on cursed/damned. 1027 * No check done on cursed/damned.
2669 * Break this out of apply_special - this is just done 1028 * Break this out of apply_special - this is just done
2670 * 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.
2671 */ 1030 */
2672static int 1031static bool
2673unapply_special (object *who, object *op, int aflags) 1032unapply_special (object *who, object *op, int aflags)
2674{ 1033{
2675 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))
2676 || INVOKE_OBJECT (UNREADY, who, ARG_OBJECT (op), ARG_INT (aflags))) 1035 || INVOKE_OBJECT (UNREADY, who, ARG_OBJECT (op), ARG_INT (aflags)))
2677 return RESULT_INT (0); 1036 return RESULT_INT (0);
2678 1037
2679 CLEAR_FLAG (op, FLAG_APPLIED); 1038 if (who->current_weapon == op)
1039 who->current_weapon = 0;
1040
1041 op->flag [FLAG_APPLIED] = false;
2680 1042
2681 switch (op->type) 1043 switch (op->type)
2682 { 1044 {
2683 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
2684 // 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
2685 // 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
2686 // be used for other reasons 1063 // be used for other reasons
2687 for (object *tmp = who->inv; tmp; tmp = tmp->below) 1064 if (who->chosen_skill)
2688 if (tmp->skill == op->skill 1065 if (!who->chosen_skill->flag [FLAG_CAN_USE_SKILL])
2689 && tmp->type == SKILL
2690 && tmp->flag [FLAG_APPLIED]
2691 && !tmp->flag [FLAG_CAN_USE_SKILL])
2692 unapply_special (who, tmp, 0); 1066 unapply_special (who, op, 0);
2693 1067
2694 change_abil (who, op);
2695 break; 1068 break;
2696 1069
1070 case BOW:
2697 case WEAPON: 1071 case WAND:
1072 case ROD:
1073 case HORN:
1074 case RANGED:
2698 if (player *pl = who->contr) 1075 if (player *pl = who->contr)
2699 if (op == pl->combat_ob)
2700 {
2701 pl->combat_ob = 0;
2702 who->change_weapon (pl->ranged_ob);
2703 }
2704
2705 who->statusmsg (format ("You unwield %s.", query_name (op)));
2706
2707 change_abil (who, op);
2708 CLEAR_FLAG (who, FLAG_READY_WEAPON);
2709 break;
2710
2711 case SKILL:
2712 if (who->contr)
2713 { 1076 {
2714 if (IS_COMBAT_SKILL (op->subtype)) 1077 who->statusmsg (format ("You unready %s.", query_name (op)));
2715 who->change_weapon (who->contr->combat_ob = 0); 1078 change_abil (who, op);
2716 else if (IS_RANGED_SKILL (op->subtype)) 1079 }
2717 who->change_weapon (who->contr->ranged_ob = 0); 1080 else
1081 {
1082 who->change_skill (0);
2718 1083
2719 if (op->invisible) 1084 if (op->type == BOW)
2720 who->statusmsg (format ("You can no longer use the skill: %s.", &op->skill)); 1085 op->flag [FLAG_READY_BOW ] = false;
2721 else 1086 else
2722 who->statusmsg (format ("You stop using the %s.", query_name (op))); 1087 op->flag [FLAG_READY_RANGE] = false;
2723 } 1088 }
2724 1089
2725 change_abil (who, op);
2726 CLEAR_FLAG (who, FLAG_READY_SKILL);
2727 break; 1090 break;
2728 1091
2729 case ARMOUR: 1092 case ARMOUR:
2730 case HELMET: 1093 case HELMET:
2731 case SHIELD: 1094 case SHIELD:
… …
2738 case CLOAK: 1101 case CLOAK:
2739 who->statusmsg (format ("You unwear %s.", query_name (op))); 1102 who->statusmsg (format ("You unwear %s.", query_name (op)));
2740 change_abil (who, op); 1103 change_abil (who, op);
2741 break; 1104 break;
2742 1105
2743 case LAMP: 1106 case SPELL:
2744 {
2745 who->statusmsg (format ("You turn off your %s.", &op->name));
2746
2747 object *tmp2 = arch_to_object (op->other_arch);
2748 tmp2->x = op->x;
2749 tmp2->y = op->y;
2750 tmp2->map = op->map;
2751 tmp2->below = op->below;
2752 tmp2->above = op->above;
2753 tmp2->stats.food = op->stats.food;
2754 CLEAR_FLAG (tmp2, FLAG_APPLIED);
2755
2756 if (QUERY_FLAG (op, FLAG_INV_LOCKED))
2757 SET_FLAG (tmp2, FLAG_INV_LOCKED);
2758
2759 op->destroy ();
2760 who->insert (tmp2);
2761 who->update_stats ();
2762
2763 if (who->contr)
2764 if (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED))
2765 {
2766 who->failmsg ("Oops, it feels deadly cold!");
2767 SET_FLAG (tmp2, FLAG_KNOWN_CURSED);
2768 }
2769 }
2770
2771 return 1; /* otherwise, an attempt to drop causes problems */
2772
2773 case BOW: 1107 case BUILDER:
2774 case WAND:
2775 case ROD:
2776 case HORN:
2777 if (player *pl = who->contr)
2778 {
2779 if (op == pl->ranged_ob)
2780 {
2781 pl->ranged_ob = 0;
2782 who->change_weapon (pl->combat_ob);
2783 }
2784
2785 who->statusmsg (format ("You unready %s.", query_name (op))); 1108 who->statusmsg (format ("You unready %s.", query_name (op)));
2786 }
2787 else
2788 {
2789 who->change_skill (0);
2790
2791 if (op->type == BOW)
2792 CLEAR_FLAG (who, FLAG_READY_BOW);
2793 else
2794 CLEAR_FLAG (who, FLAG_READY_RANGE);
2795 }
2796
2797 break; 1109 break;
2798 1110
2799 case BUILDER: 1111 //case SKILL_TOOL://TODO
2800 if (who->contr)
2801 who->statusmsg (format ("You unready %s.", query_name (op)));
2802 break;
2803
2804 default: 1112 default:
2805 who->statusmsg (format ("You unapply %s.", query_name (op))); 1113 who->statusmsg (format ("You unapply %s.", query_name (op)));
2806 break; 1114 break;
2807 } 1115 }
2808 1116
… …
2810 if (object *pl = op->visible_to ()) 1118 if (object *pl = op->visible_to ())
2811 esrv_send_item (pl, op); 1119 esrv_send_item (pl, op);
2812 1120
2813 who->update_stats (); 1121 who->update_stats ();
2814 1122
2815 return 0; 1123 return 1;
2816} 1124}
2817 1125
2818/** 1126/**
2819 * Returns the object that is using location 'loc'. 1127 * Returns the object that is using location 'loc'.
2820 * Note that 'start' is the first object to start examing - we 1128 * Note that 'start' is the first object to start examing - we
… …
2832static object * 1140static object *
2833get_next_item_from_body_location (int loc, object *start) 1141get_next_item_from_body_location (int loc, object *start)
2834{ 1142{
2835 for (object *tmp = start; tmp; tmp = tmp->below) 1143 for (object *tmp = start; tmp; tmp = tmp->below)
2836 if (tmp->flag [FLAG_APPLIED] 1144 if (tmp->flag [FLAG_APPLIED]
2837 && tmp->slot[loc].info 1145 && tmp->slot [loc].info
2838 && (!tmp->invisible || tmp->type == SKILL)) 1146 && (!tmp->invisible || tmp->type == SKILL || tmp->type == SPELL))
2839 return tmp; 1147 return tmp;
2840 1148
2841 return 0; 1149 return 0;
2842} 1150}
2843 1151
… …
2856#define CANNOT_REMOVE_CURSED \ 1164#define CANNOT_REMOVE_CURSED \
2857 "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. " \
2858 "Praying over an altar, scrolls of remove curse/damnation, " \ 1166 "Praying over an altar, scrolls of remove curse/damnation, " \
2859 "priests or even other players might help.>" 1167 "priests or even other players might help.>"
2860 1168
2861int 1169static bool
2862unapply_for_ob (object *who, object *op, int aflags) 1170unapply_for_ob (object *who, object *op, int aflags)
2863{ 1171{
2864 if (op->is_range ()) 1172 if (op->is_range ())
2865 for (object *tmp = who->inv; tmp; tmp = tmp->below) 1173 for (object *tmp = who->inv; tmp; tmp = tmp->below)
2866 if (QUERY_FLAG (tmp, FLAG_APPLIED) && tmp->is_range ()) 1174 if (QUERY_FLAG (tmp, FLAG_APPLIED) && tmp->is_range ())
… …
2988 continue; 1296 continue;
2989 } 1297 }
2990 1298
2991 object *tmp1 = get_next_item_from_body_location (i, who->inv); 1299 object *tmp1 = get_next_item_from_body_location (i, who->inv);
2992 if (!tmp1) 1300 if (!tmp1)
2993 {
2994#if 0
2995 /* This is sort of an error, but happens a lot when old players
2996 * join in with more stuff equipped than they are now allowed.
2997 */
2998 LOG (llevError, "Can't find object using location %d on %s\n", i, who->name);
2999#endif
3000 retval |= CAN_APPLY_NEVER; 1301 retval |= CAN_APPLY_NEVER;
3001 }
3002 else 1302 else
3003 { 1303 {
3004 /* need to unapply something. However, if this something 1304 /* need to unapply something. However, if this something
3005 * is different than we had found before, it means they need 1305 * is different than we had found before, it means they need
3006 * to apply multiple objects 1306 * to apply multiple objects
… …
3086 */ 1386 */
3087 1387
3088#define LACK_ITEM_POWER \ 1388#define LACK_ITEM_POWER \
3089 " 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.>"
3090 1390
3091int 1391static bool
3092apply_special (object *who, object *op, int aflags) 1392apply_special (object *who, object *op, int aflags)
3093{ 1393{
3094 int basic_flag = aflags & AP_BASIC_FLAGS; 1394 int basic_flag = aflags & AP_MODE;
3095 object *tmp, *tmp2, *skop = NULL; 1395 object *tmp, *tmp2, *skop = NULL;
3096 1396
3097 if (who == NULL) 1397 if (who == NULL)
3098 { 1398 {
3099 LOG (llevError, "apply_special() from object without environment.\n"); 1399 LOG (llevError, "apply_special() from object without environment.\n");
3100 return 1; 1400 return 1;
3101 } 1401 }
3102 1402
1403 //TODO: remove these when apply_special is no longer exposed
3103 if (op->env != who) 1404 if (op->env != who)
3104 return 1; /* op is not in inventory */ 1405 return 1; /* op is not in inventory */
3105 1406
3106 /* trying to unequip op */ 1407 /* trying to unequip op */
3107 if (QUERY_FLAG (op, FLAG_APPLIED)) 1408 if (QUERY_FLAG (op, FLAG_APPLIED))
… …
3118 1419
3119 return unapply_special (who, op, aflags); 1420 return unapply_special (who, op, aflags);
3120 } 1421 }
3121 else if (basic_flag == AP_UNAPPLY) 1422 else if (basic_flag == AP_UNAPPLY)
3122 return 0; 1423 return 0;
3123
3124 // if the item is combat/ranged, wield the relevant slot first
3125 // to resolve conflicts.
3126 if (player *pl = who->contr)
3127 switch (op->slottype ())
3128 {
3129 case slot_combat: who->change_weapon (pl->combat_ob); break;
3130 case slot_ranged: who->change_weapon (pl->ranged_ob); break;
3131 }
3132 1424
3133 splay (op); 1425 splay (op);
3134 1426
3135 /* 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 */
3136 if (int i = can_apply_object (who, op)) 1428 if (int i = can_apply_object (who, op))
… …
3170 } 1462 }
3171 } 1463 }
3172 1464
3173 if (op->skill && op->type != SKILL && op->type != SKILL_TOOL) 1465 if (op->skill && op->type != SKILL && op->type != SKILL_TOOL)
3174 { 1466 {
1467 // try to ready attached skill first
3175 skop = find_skill_by_name (who, op->skill); 1468 skop = find_skill_by_name (who, op->skill);
3176 1469
3177 if (!skop) 1470 if (!skop)
3178 { 1471 {
3179 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));
3180 return 1; 1473 return 1;
3181 } 1474 }
3182 else 1475 else if (!who->apply (skop, AP_APPLY | AP_NO_SLOT))
3183 /* While experience will be credited properly, we want to change the
3184 * skill so that the dam and wc get updated
3185 */ 1476 {
3186 who->change_skill (skop); 1477 who->failmsg (format ("You can't use the required %s skill!", &op->skill));
1478 return 1;
1479 }
3187 } 1480 }
3188 1481
3189 if (who->type == PLAYER 1482 if (!check_item_power (who, op->item_power))
3190 && op->item_power
3191 && op->item_power + who->contr->item_power > settings.item_power_factor * who->level)
3192 { 1483 {
3193 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);
3194 return 1; 1485 return 1;
3195 } 1486 }
3196 1487
3197 /* 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.
3198 * Note that we don't have the checks for can_use_... 1489 * Note that we don't have the checks for can_use_...
3199 * below - that is already taken care of by can_apply_object. 1490 * below - that is already taken care of by can_apply_object.
3200 */ 1491 */
1492
1493 // split away all the other items from the stack, so only one item is left
3201 tmp = op->nrof > 1 ? op->split (op->nrof - 1) : 0; 1494 tmp = op->nrof > 1 ? op->split (op->nrof - 1) : 0;
3202 1495
3203 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)))
3204 return RESULT_INT (0); 1497 return RESULT_INT (0);
3205 1498
3206 switch (op->type) 1499 switch (op->type)
3207 { 1500 {
3208 case WEAPON: 1501 case WEAPON:
3209 if (!check_weapon_power (who, op->last_eat)) 1502 if (op->level && (!op->name.starts_with (who->name) || op->name [who->name.length ()] != '\''))
3210 {
3211 op->failmsg ("This weapon is too powerful for you to use. It would consume your soul!" LACK_ITEM_POWER);
3212
3213 if (tmp)
3214 insert_ob_in_ob (tmp, who);
3215
3216 return 1;
3217 }
3218
3219 //TODO: this obviously fails for players using a shorter prefix
3220 // i.e. "R" can use Ragnarok's sword.
3221 if (op->level && (strncmp (op->name, who->name, strlen (who->name))))
3222 { 1503 {
3223 /* 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. */
3224 /* (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) */
3225 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. "
3226 1507 "H<Its name indicates that it belongs to somebody else.>");
3227 if (tmp) 1508 if (tmp) who->insert (tmp);
3228 insert_ob_in_ob (tmp, who);
3229
3230 return 1; 1509 return 1;
3231 } 1510 }
3232 1511
3233 if (!skop) 1512 op->flag [FLAG_APPLIED] = true;
1513
1514 if (player *pl = who->contr)
3234 { 1515 {
3235 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)));
3236 return 1; 1517 change_abil (who, op);
3237 } 1518 }
3238 1519 else
3239 SET_FLAG (op, FLAG_APPLIED);
3240 who->change_skill (skop); 1520 who->change_skill (skop);
3241 1521
3242 if (who->contr) 1522 op->flag [FLAG_READY_WEAPON] = true;
3243 who->change_weapon (who->contr->combat_ob = op);
3244
3245 who->statusmsg (format ("You wield %s.", query_name (op)));
3246
3247 SET_FLAG (who, FLAG_READY_WEAPON);
3248 change_abil (who, op);
3249 break; 1523 break;
3250 1524
3251 case ARMOUR: 1525 case ARMOUR:
3252 case HELMET: 1526 case HELMET:
3253 case SHIELD: 1527 case SHIELD:
… …
3261 SET_FLAG (op, FLAG_APPLIED); 1535 SET_FLAG (op, FLAG_APPLIED);
3262 who->statusmsg (format ("You wear %s.", query_name (op))); 1536 who->statusmsg (format ("You wear %s.", query_name (op)));
3263 change_abil (who, op); 1537 change_abil (who, op);
3264 break; 1538 break;
3265 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
3266 case LAMP: 1547 case SKILL:
3267 if (op->stats.food < 1) 1548 if (!(aflags & AP_NO_SLOT))
3268 { 1549 {
3269 who->failmsg (format ( 1550 // skill is used on it's own, as opposed to being a chosen_skill
3270 "Your %s is out of fuel! "
3271 "H<Lamps and similar items need fuel. They cannot be refilled.>",
3272 &op->name
3273 ));
3274 return 1;
3275 }
3276 1551
3277 who->statusmsg (format ("You turn on your %s.", &op->name)); 1552 if (skill_flags [op->subtype] & (SF_NEED_ITEM | SF_MANA))
3278
3279 tmp2 = arch_to_object (op->other_arch);
3280 tmp2->stats.food = op->stats.food;
3281 SET_FLAG (tmp2, FLAG_APPLIED);
3282
3283 if (QUERY_FLAG (op, FLAG_INV_LOCKED))
3284 SET_FLAG (tmp2, FLAG_INV_LOCKED);
3285
3286 who->insert (tmp2);
3287
3288 /* Remove the old lantern */
3289 op->destroy ();
3290
3291 /* insert the portion that was split off */
3292 if (tmp)
3293 who->insert (tmp);
3294
3295 who->update_stats ();
3296
3297 if (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED))
3298 if (who->type == PLAYER)
3299 {
3300 who->failmsg ("Oops, it feels deadly cold! H<Maybe it wasn't such a bright (hrhrhr) idea to apply this cursed or damned item.>");
3301 SET_FLAG (tmp2, FLAG_KNOWN_CURSED);
3302 }
3303
3304 return 0;
3305
3306 case SKILL_TOOL:
3307 // applying a skill tool also readies the skill
3308 SET_FLAG (op, FLAG_APPLIED);
3309
3310 if (!(aflags & AP_NO_READY))
3311 {
3312 skop = find_skill_by_name (who, op->skill);
3313 if (!skop->flag [FLAG_APPLIED])
3314 apply_special (who, skop, AP_APPLY);
3315 }
3316 break;
3317
3318 case SKILL:
3319 if (player *pl = who->contr)
3320 {
3321 if (IS_COMBAT_SKILL (op->subtype))
3322 { 1553 {
3323 if (skill_flags [op->subtype] & SF_NEED_WEAPON)
3324 {
3325 for (object *item = who->inv; item; item = item->below)
3326 if (item->type == WEAPON && item->flag [FLAG_APPLIED])
3327 {
3328 if (item->skill == op->skill)
3329 {
3330 who->change_weapon (pl->combat_ob = item);
3331 goto found_weapon;
3332 }
3333 }
3334
3335 who->failmsg (format ( 1554 who->failmsg (format (
3336 "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. "
3337 "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. "
3338 &op->skill 1557 "It cannot be used on its own.>",
3339 ));
3340 return 1;
3341
3342 found_weapon:;
3343 }
3344 else
3345 who->change_weapon (pl->combat_ob = op);
3346 }
3347 else if (IS_RANGED_SKILL (op->subtype))
3348 {
3349 if (skill_flags [op->subtype] & SF_NEED_BOW)
3350 {
3351 for (object *item = who->inv; item; item = item->below)
3352 if (item->type == BOW && item->flag [FLAG_APPLIED])
3353 {
3354 //TODO: bows should/must all have skill missile weapon right now
3355 who->change_weapon (pl->ranged_ob = item);
3356 goto found_bow;
3357 }
3358
3359 who->failmsg (
3360 "You need to apply a missile weapon before readying this skill. "
3361 "H<Some skills need an item, in this case a missile weapon, to function.>"
3362 );
3363 return 1;
3364
3365 found_bow:;
3366 }
3367 else
3368 who->change_weapon (pl->ranged_ob = op);
3369 }
3370
3371 if (!op->invisible)
3372 {
3373 who->statusmsg (format (
3374 "You ready %s."
3375 "You can now use the skill: %s.",
3376 query_name (op),
3377 &op->skill 1558 &op->skill
3378 )); 1559 ));
1560 if (tmp) who->insert (tmp);
1561 return 1;
3379 } 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));
3380 else 1588 else
3381 who->statusmsg (format ("Readied skill: %s.", op->skill ? &op->skill : &op->name)); 1589 who->statusmsg (format ("You ready %s.", query_name (op)));
3382 } 1590 }
3383 else 1591
3384 {
3385 SET_FLAG (op, FLAG_APPLIED);
3386 change_abil (who, op);
3387 who->chosen_skill = op;
3388 SET_FLAG (who, FLAG_READY_SKILL); 1592 SET_FLAG (who, FLAG_READY_SKILL);
3389 } 1593 SET_FLAG (op, FLAG_APPLIED);
3390 1594 change_abil (who, op);
3391 break; 1595 break;
3392 1596
3393 case BOW: 1597 case BOW:
3394 if (!check_weapon_power (who, op->last_eat)) 1598 if (op->level && (!op->name.starts_with (who->name) || op->name [who->name.length ()] != '\''))
3395 {
3396 who->failmsg ("That weapon is too powerful for you to use. It would consume your soul!" LACK_ITEM_POWER);
3397
3398 if (tmp)
3399 insert_ob_in_ob (tmp, who);
3400
3401 return 1;
3402 }
3403
3404 if (op->level && (strncmp (op->name, who->name, strlen (who->name))))
3405 { 1599 {
3406 who->failmsg ("The weapon does not recognize you as its owner. " 1600 who->failmsg ("The weapon does not recognize you as its owner. "
3407 "H<Its name indicates that it belongs to somebody else.>"); 1601 "H<Its name indicates that it belongs to somebody else.>");
3408 if (tmp) 1602 if (tmp) who->insert (tmp);
3409 insert_ob_in_ob (tmp, who);
3410
3411 return 1; 1603 return 1;
3412 } 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;
3413 1629
3414 /*FALLTHROUGH*/ 1630 /*FALLTHROUGH*/
3415 case WAND: 1631 case WAND:
3416 case ROD: 1632 case ROD:
3417 case HORN: 1633 case HORN:
3418 /* check for skill, alter player status */ 1634 /* check for skill, alter player status */
3419 1635
3420 if (!skop) 1636 if (!skop)
3421 { 1637 {
3422 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);
3423 return 1; 1640 return 1;
3424 } 1641 }
3425 1642
3426 SET_FLAG (op, FLAG_APPLIED); 1643 op->flag [FLAG_APPLIED] = true;
3427 who->change_skill (skop);
3428 1644
3429 if (who->contr) 1645 if (player *pl = who->contr)
3430 { 1646 {
3431 who->contr->ranged_ob = op;
3432
3433 who->statusmsg (format ("You ready %s.", query_name (op))); 1647 who->statusmsg (format ("You ready %s.", query_name (op)));
3434 1648
3435 if (op->type == BOW) 1649 if (op->type == BOW)
3436 {
3437 who->current_weapon = op;
3438 change_abil (who, op);
3439 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)));
3440 } 1651
1652 change_abil (who, op);
3441 } 1653 }
3442 else 1654 else
3443 { 1655 {
1656 who->change_skill (skop);
1657
3444 if (op->type == BOW) 1658 if (op->type == BOW)
3445 SET_FLAG (who, FLAG_READY_BOW); 1659 op->flag [FLAG_READY_BOW ] = true;
3446 else 1660 else
3447 SET_FLAG (who, FLAG_READY_RANGE); 1661 op->flag [FLAG_READY_RANGE] = true;
3448 } 1662 }
3449 1663
3450 break; 1664 break;
3451 1665
3452 case BUILDER: 1666 case BUILDER:
3453 if (who->type == PLAYER) 1667 if (player *pl = who->contr)
3454 { 1668 {
3455 //TODO: wtf does this do? shouldn't this be managed automatically (slots?)
3456 if (who->contr->ranged_ob && who->contr->ranged_ob->type == BUILDER)
3457 unapply_special (who, who->contr->ranged_ob, 0);
3458
3459 who->statusmsg (format ("You ready your %s.", query_name (op))); 1669 who->statusmsg (format ("You ready your %s.", query_name (op)));
3460 1670 //TODO: change_abil?
3461 who->contr->ranged_ob = op;
3462 } 1671 }
3463 break; 1672 break;
3464 1673
3465 default: 1674 default:
3466 who->statusmsg (format ("You apply %s.", query_name (op))); 1675 who->statusmsg (format ("You apply %s.", query_name (op)));
3467 } 1676 }
3468 1677
3469 SET_FLAG (op, FLAG_APPLIED); 1678 SET_FLAG (op, FLAG_APPLIED);
3470 1679
3471 if (tmp)
3472 who->insert (tmp); 1680 if (tmp) who->insert (tmp);
3473 1681
3474 who->update_stats (); 1682 who->update_stats ();
3475 1683
3476 /* We exclude spell casting objects. The fire code will set the 1684 /* We exclude spell casting objects. The fire code will set the
3477 * been applied flag when they are used - until that point, 1685 * been applied flag when they are used - until that point,
… …
3494 esrv_send_item (pl, op); 1702 esrv_send_item (pl, op);
3495 1703
3496 return 0; 1704 return 0;
3497} 1705}
3498 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 */
3499int 1711int
3500monster_apply_special (object *who, object *op, int aflags) 1712should_director_abort (object *op, object *victim)
3501{ 1713{
3502 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)))
3503 return 1; 1746 return 1;
3504 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)
3505 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 if (!tmp->invisible && may_attempt [tmp->type])
3584 {
3585 // If it is visible, player can apply it.
3586 pl->apply (tmp);
3587 return;
3588 }
3589
3590 while (top && top->invisible)
3591 top = top->below;
3592
3593 if (!top || top->flag [FLAG_IS_FLOOR])
3594 pl->failmsg ("You inspect this space, but find no way to apply anything. "
3595 "H<There is nothing here that you can apply.>");
3596 else
3597 // next, try to explain the topmost object
3598 switch (top->type)
3599 {
3600 // TODO: all this should move to examine
3601 case ALTAR:
3602 case IDENTIFY_ALTAR:
3603 case CONVERTER:
3604 pl->failmsg (format (
3605 "You see no obvious mechanism on the %s."
3606 "H<You have to drop one or more specific items here.>",
3607 query_short_name (top)
3608 ));
3609 break;
3610
3611 case BUTTON:
3612 pl->failmsg (format (
3613 "The %s looks as if you could activate it with somehting heavy. "
3614 "H<You must put enough items here to activate it.>",
3615 query_short_name (top)
3616 ));
3617 break;
3618
3619 default:
3620 examine (pl, top);
3621 printf ("z %d\n", top->type);//D
3622 break;
3623 }
3624}
3625
3626// saner interface, returns successful status
3627bool
3628object::apply (object *ob, int aflags)
3629{
3630 if (!ob) // simplifies a lot of callers
3631 return true;
3632
3633 if (contr)
3634 {
3635 if (!ob->env && (move_type & MOVE_FLYING))
3636 {
3637 /* player is flying and applying object not in inventory */
3638 if (!flag [FLAG_WIZ] && !(ob->move_type & MOVE_FLYING))
3639 {
3640 failmsg ("But you are floating high above the ground! "
3641 "H<You have to stop levitating first, if you can, either by using your levitation skill, "
3642 "or waiting till the levitation effect wears off.>");
3643 return 0;
3644 }
3645 }
3646
3647 contr->last_used = ob;
3648 }
3649
3650 bool want_apply =
3651 aflags & AP_APPLY ? true
3652 : aflags & AP_UNAPPLY ? false
3653 : !ob->flag [FLAG_APPLIED]; // AP_TOGGLE
3654
3655 object_ptr *slot = 0;
3656
3657 // detect the slot, if this is a player
3658 if (contr && !(aflags & AP_NO_SLOT))
3659 {
3660 object *oslot;
3661
3662 switch (ob->type)
3663 {
3664 case WEAPON:
3665 slot = &contr->combat_ob;
3666 oslot = contr->ranged_ob;
3667 break;
3668
3669 case BOW:
3670 case RANGED:
3671 case SPELL:
3672 case WAND:
3673 case ROD:
3674 case HORN:
3675 case BUILDER:
3676 slot = &contr->ranged_ob;
3677 oslot = contr->combat_ob;
3678 break;
3679
3680 // oh, the humanity
3681 case SKILL:
3682 if (aflags & AP_NO_SLOT)
3683 break;
3684
3685 if (skill_flags [ob->subtype] & SF_NEED_ITEM)
3686 break;
3687
3688 if (skill_flags [ob->subtype] & SF_COMBAT)
3689 {
3690 slot = &contr->combat_ob;
3691 oslot = contr->ranged_ob;
3692 }
3693 else if (skill_flags [ob->subtype] & SF_RANGED)
3694 {
3695 slot = &contr->ranged_ob;
3696 oslot = contr->combat_ob;
3697 }
3698
3699 break;
3700 }
3701
3702 // now handle slot exclusions
3703 if (slot)
3704 {
3705 // only one slot can be active
3706 if (want_apply)
3707 {
3708 // clear slot unless we are in it already
3709 if (*slot != ob)
3710 apply (*slot, AP_UNAPPLY);
3711
3712 // unapply other slot, because we want to become active
3713 apply (oslot, AP_UNAPPLY);
3714 }
3715
3716 // clear item from slot if applied
3717 if (!want_apply && current_weapon == ob)
3718 current_weapon = 0;
3719 }
3720 }
3721
3722 if (ob->flag [FLAG_APPLIED] != want_apply)
3723 manual_apply (this, ob, aflags);
3724
3725 if (ob->flag [FLAG_APPLIED] != want_apply)
3726 return false;
3727
3728 if (slot && want_apply)
3729 current_weapon = *slot = ob;
3730
3731 return true;
3506} 3732}
3507 3733
3508/** 3734/**
3509 * Map was just loaded, handle op's initialisation. 3735 * Map was just loaded, handle op's initialisation.
3510 * 3736 *
… …
3617 * treasure again for this object 3843 * treasure again for this object
3618 */ 3844 */
3619 invtmp->randomitems = NULL; 3845 invtmp->randomitems = NULL;
3620 } 3846 }
3621 } 3847 }
3848
3622 /* This is really temporary - the code at the bottom will 3849 /* This is really temporary - the code at the bottom will
3623 * also set randomitems to null. The problem is there are bunches 3850 * also set randomitems to null. The problem is there are bunches
3624 * of maps/players already out there with items that have spells 3851 * of maps/players already out there with items that have spells
3625 * which haven't had the randomitems set to null yet. 3852 * which haven't had the randomitems set to null yet.
3626 * MSW 2004-05-13 3853 * MSW 2004-05-13
… …
3630 * Ryo 2004-08-16 3857 * Ryo 2004-08-16
3631 */ 3858 */
3632 if (tmp->type == WAND || tmp->type == ROD || tmp->type == SCROLL 3859 if (tmp->type == WAND || tmp->type == ROD || tmp->type == SCROLL
3633 || tmp->type == HORN || tmp->type == FIREWALL || tmp->type == POTION || tmp->type == ALTAR || tmp->type == SPELLBOOK) 3860 || tmp->type == HORN || tmp->type == FIREWALL || tmp->type == POTION || tmp->type == ALTAR || tmp->type == SPELLBOOK)
3634 tmp->randomitems = NULL; 3861 tmp->randomitems = NULL;
3635
3636 } 3862 }
3637 3863
3638 if (QUERY_FLAG (tmp, FLAG_AUTO_APPLY)) 3864 if (QUERY_FLAG (tmp, FLAG_AUTO_APPLY))
3639 auto_apply (tmp); 3865 auto_apply (tmp);
3640 else if ((tmp->type == TREASURE || (tmp->type == CONTAINER)) && tmp->has_random_items ()) 3866 else if ((tmp->type == TREASURE || (tmp->type == CONTAINER)) && tmp->has_random_items ())
… …
3673 } 3899 }
3674 3900
3675 for (mapspace *ms = spaces + size (); ms-- > spaces; ) 3901 for (mapspace *ms = spaces + size (); ms-- > spaces; )
3676 for (object *tmp = ms->bot; tmp; tmp = tmp->above) 3902 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
3677 if (tmp->above && (tmp->type == TRIGGER_BUTTON || tmp->type == TRIGGER_PEDESTAL)) 3903 if (tmp->above && (tmp->type == TRIGGER_BUTTON || tmp->type == TRIGGER_PEDESTAL))
3678 check_trigger (tmp, tmp->above); 3904 check_trigger (tmp, tmp->above, tmp->above);
3679} 3905}
3680 3906
3681/** 3907/**
3682 * Handles player eating food that temporarily changes status (resistances, stats). 3908 * Handles player eating food that temporarily changes status (resistances, stats).
3683 * This used to call cast_change_attr(), but 3909 * This used to call cast_change_attr(), but
… …
3688eat_special_food (object *who, object *food) 3914eat_special_food (object *who, object *food)
3689{ 3915{
3690 object *force; 3916 object *force;
3691 int i, did_one = 0; 3917 int i, did_one = 0;
3692 3918
3693 force = get_archetype (FORCE_NAME); 3919 char buf[64];
3920 snprintf (buf, sizeof(buf), "sp_food_%s", &food->title);
3921 shstr key (buf);
3694 3922
3695 for (i = 0; i < NUM_STATS; i++)
3696 if (sint8 k = food->stats.stat (i))
3697 {
3698 force->stats.stat (i) = k;
3699 did_one = 1;
3700 }
3701
3702 /* check if we can protect the eater */
3703 for (i = 0; i < NROFATTACKS; i++)
3704 {
3705 if (food->resist[i] > 0)
3706 {
3707 force->resist[i] = food->resist[i] / 2;
3708 did_one = 1;
3709 }
3710 }
3711
3712 if (did_one)
3713 {
3714 force->set_speed (0.1);
3715 /* bigger morsel of food = longer effect time */ 3923 /* bigger morsel of food = longer effect time */
3716 force->duration = food->stats.food / 5; 3924 int duration = TIME2TICK (food->stats.food);
3717 SET_FLAG (force, FLAG_APPLIED); 3925
3718 change_abil (who, force); 3926 if (force = who->force_find (key))
3719 insert_ob_in_ob (force, who); 3927 {
3928 if (duration > fabs (force->speed_left / force->speed))
3929 {
3930 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));
3931 force->force_set_timer (duration);
3932 }
3933 else
3934 new_draw_info (NDI_UNIQUE, 0, who, "It had no additional effect.");
3935
3936 return;
3720 } 3937 }
3721 else 3938 else
3939 {
3940 force = who->force_add (key, duration);
3941 force->name = key;
3942
3943 /* check if the food affects a stat */
3944 for (i = 0; i < NUM_STATS; i++)
3945 if (sint8 k = food->stats.stat (i))
3946 {
3947 force->stats.stat (i) = k;
3948 did_one = 1;
3949 }
3950
3951 /* check if we can protect the eater */
3952 for (i = 0; i < NROFATTACKS; i++)
3953 {
3954 if (food->resist[i] > 0)
3955 {
3956 force->resist[i] = food->resist[i];
3957 did_one = 1;
3958 }
3959 }
3960
3961 if (did_one)
3962 {
3963 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));
3964
3965 /* make the force take effect and report effects to user */
3966 change_abil (who, force);
3967 }
3968 else
3722 force->destroy (); 3969 force->destroy ();
3970 }
3723 3971
3724 /* check for hp, sp change */ 3972 /* check for hp, sp change */
3725 if (food->stats.hp != 0) 3973 if (food->stats.hp != 0)
3726 { 3974 {
3727 if (QUERY_FLAG (food, FLAG_CURSED)) 3975 if (QUERY_FLAG (food, FLAG_CURSED))
… …
3757 /* place limit on max sp from food? */ 4005 /* place limit on max sp from food? */
3758 } 4006 }
3759 } 4007 }
3760 4008
3761 who->update_stats (); 4009 who->update_stats ();
3762}
3763
3764/**
3765 * Designed primarily to light torches/lanterns/etc.
3766 * Also burns up burnable material too. First object in the inventory is
3767 * the selected object to "burn". -b.t.
3768 */
3769void
3770apply_lighter (object *who, object *lighter)
3771{
3772 object *item;
3773 int is_player_env = 0;
3774
3775 item = find_marked_object (who);
3776 if (item)
3777 {
3778 if (lighter->last_eat && lighter->stats.food)
3779 { /* lighter gets used up */
3780 object *oneLighter = lighter->split ();
3781 oneLighter->stats.food--;
3782 who->insert (oneLighter);
3783 }
3784 else if (lighter->last_eat)
3785 {
3786 /* no charges left in lighter */
3787 who->failmsg (format ("You attempt to light the %s with a used up %s.", &item->name, &lighter->name));
3788 return;
3789 }
3790
3791 /* Perhaps we should split what we are trying to light on fire?
3792 * I can't see many times when you would want to light multiple
3793 * objects at once.
3794 */
3795
3796 if (who == item->in_player ())
3797 is_player_env = 1;
3798
3799 save_throw_object (item, AT_FIRE, who);
3800
3801 if (item->destroyed ())
3802 {
3803 who->statusmsg (format ("You light the %s with the %s.", &item->name, &lighter->name));
3804 /* Need to update the player so that the players glow radius
3805 * gets changed.
3806 */
3807 if (is_player_env)
3808 who->update_stats ();
3809 }
3810 else
3811 who->failmsg (format ("You attempt to light the %s with the %s and fail.", &item->name, &lighter->name));
3812 }
3813 else
3814 who->failmsg ("You need to mark a lightable object.");
3815}
3816
3817/**
3818 * op made some mistake with a scroll, this takes care of punishment.
3819 * scroll_failure()- hacked directly from spell_failure
3820 */
3821void
3822scroll_failure (object *op, int failure, int power)
3823{
3824 if (abs (failure / 4) > power)
3825 power = abs (failure / 4); /* set minimum effect */
3826
3827 if (failure <= -1 && failure > -15)
3828 { /* wonder */
3829 object *tmp;
3830
3831 op->failmsg ("Your spell warps!");
3832 tmp = get_archetype (SPELL_WONDER);
3833 cast_wonder (op, op, 0, tmp);
3834 tmp->destroy ();
3835 }
3836 else if (failure <= -15 && failure > -35)
3837 { /* drain mana */
3838 op->failmsg ("Your mana is drained!");
3839 op->stats.sp -= random_roll (0, power - 1, op, PREFER_LOW);
3840 if (op->stats.sp < 0)
3841 op->stats.sp = 0;
3842 }
3843 else if (settings.spell_failure_effects == TRUE)
3844 {
3845 if (failure <= -35 && failure > -60)
3846 { /* confusion */
3847 op->failmsg ("The magic recoils on you!");
3848 confuse_player (op, op, power);
3849 }
3850 else if (failure <= -60 && failure > -70)
3851 { /* paralysis */
3852 op->failmsg ("The magic recoils and paralyzes you!");
3853 paralyze_player (op, op, power);
3854 }
3855 else if (failure <= -70 && failure > -80)
3856 { /* blind */
3857 op->failmsg ("The magic recoils on you!");
3858 blind_player (op, op, power);
3859 }
3860 else if (failure <= -80)
3861 { /* blast the immediate area */
3862 object *tmp = get_archetype (LOOSE_MANA);
3863 cast_magic_storm (op, tmp, power);
3864 op->failmsg ("You unleash uncontrolled mana!");
3865 tmp->destroy ();
3866 }
3867 }
3868} 4010}
3869 4011
3870void 4012void
3871apply_changes_to_player (object *pl, object *change) 4013apply_changes_to_player (object *pl, object *change)
3872{ 4014{
… …
3920 } 4062 }
3921 4063
3922 /* insert the randomitems from the change's treasurelist into 4064 /* insert the randomitems from the change's treasurelist into
3923 * the player ref: player.c 4065 * the player ref: player.c
3924 */ 4066 */
3925 if (change->randomitems != NULL) 4067 if (change->randomitems)
3926 give_initial_items (pl, change->randomitems); 4068 give_initial_items (pl, change->randomitems);
3927 4069
3928 /* set up the face, for some races. */ 4070 /* set up the face, for some races. */
3929 4071
3930 /* first, look for the force object banning 4072 /* first, look for the force object banning
3931 * changing the face. Certain races never change face with class. 4073 * changing the face. Certain races never change face with class.
3932 */ 4074 */
3933 for (walk = pl->inv; walk != NULL; walk = walk->below) 4075 for (walk = pl->inv; walk; walk = walk->below)
3934 if (!strcmp (walk->name, "NOCLASSFACECHANGE")) 4076 if (walk->name == shstr_NOCLASSFACECHANGE)
3935 flag_change_face = 0; 4077 flag_change_face = 0;
3936 4078
3937 if (flag_change_face) 4079 if (flag_change_face)
3938 { 4080 {
3939 pl->face = change->face; 4081 pl->face = change->face;
… …
3941 pl->flag [FLAG_ANIMATE] = change->flag [FLAG_ANIMATE]; 4083 pl->flag [FLAG_ANIMATE] = change->flag [FLAG_ANIMATE];
3942 } 4084 }
3943 4085
3944 /* check the special case of can't use weapons */ 4086 /* check the special case of can't use weapons */
3945 /*if(QUERY_FLAG(change,FLAG_USE_WEAPON)) CLEAR_FLAG(pl,FLAG_USE_WEAPON); */ 4087 /*if(QUERY_FLAG(change,FLAG_USE_WEAPON)) CLEAR_FLAG(pl,FLAG_USE_WEAPON); */
3946 if (!strcmp (change->name, "monk")) 4088 if (change->name == shstr_monk)
3947 CLEAR_FLAG (pl, FLAG_USE_WEAPON); 4089 CLEAR_FLAG (pl, FLAG_USE_WEAPON);
3948 4090
3949 break; 4091 break;
3950 } 4092 }
3951 } 4093 }
3952} 4094}
3953 4095
3954/**
3955 * This handles items of type 'transformer'.
3956 * Basically those items, used with a marked item, transform both items into something
3957 * else.
3958 * "Transformer" item has food decreased by 1, removed if 0 (0 at start means illimited)..
3959 * Change information is contained in the 'slaying' field of the marked item.
3960 * The format is as follow: transformer:[number ]yield[;transformer:...].
3961 * This way an item can be transformed in many things, and/or many objects.
3962 * The 'slaying' field for transformer is used as verb for the action.
3963 */
3964void
3965apply_item_transformer (object *pl, object *transformer)
3966{
3967 object *marked;
3968 object *new_item;
3969 char *find;
3970 char *separator;
3971 int yield;
3972 char got[MAX_BUF];
3973 int len;
3974
3975 if (!pl || !transformer)
3976 return;
3977
3978 marked = find_marked_object (pl);
3979
3980 if (!marked)
3981 {
3982 pl->failmsg (format ("Use the %s with what item?", query_name (transformer)));
3983 return;
3984 }
3985
3986 if (!marked->slaying)
3987 {
3988 pl->failmsg (format ("You can't use the %s with your %s!", query_name (transformer), query_name (marked)));
3989 return;
3990 }
3991
3992 /* check whether they are compatible or not */
3993 find = strstr (marked->slaying, transformer->arch->archname);
3994 if (!find || (*(find + strlen (transformer->arch->archname)) != ':'))
3995 {
3996 pl->failmsg (format ("You can't use the %s with your %s!", query_name (transformer), query_name (marked)));
3997 return;
3998 }
3999
4000 find += strlen (transformer->arch->archname) + 1;
4001 /* Item can be used, now find how many and what it yields */
4002 if (isdigit (*(find)))
4003 {
4004 yield = atoi (find);
4005 if (yield < 1)
4006 {
4007 LOG (llevDebug, "apply_item_transformer: item %s has slaying-yield %d.", query_base_name (marked, 0), yield);
4008 yield = 1;
4009 }
4010 }
4011 else
4012 yield = 1;
4013
4014 while (isdigit (*find))
4015 find++;
4016
4017 while (*find == ' ')
4018 find++;
4019
4020 memset (got, 0, MAX_BUF);
4021
4022 if ((separator = strchr (find, ';')) != NULL)
4023 len = separator - find;
4024 else
4025 len = strlen (find);
4026
4027 if (len > MAX_BUF - 1)
4028 len = MAX_BUF - 1;
4029
4030 strcpy (got, find);
4031 got[len] = '\0';
4032
4033 /* Now create new item, remove used ones when required. */
4034 new_item = get_archetype (got);
4035 if (!new_item)
4036 {
4037 pl->failmsg (format ("This %s is strange, better to not use it.", query_base_name (marked, 0)));
4038 return;
4039 }
4040
4041 new_item->nrof = yield;
4042
4043 pl->statusmsg (format ("You %s the %s.", &transformer->slaying, query_base_name (marked, 0)));
4044
4045 pl->insert (new_item);
4046 /* Eat up one item */
4047 marked->decrease ();
4048
4049 /* Eat one transformer if needed */
4050 if (transformer->stats.food)
4051 if (--transformer->stats.food == 0)
4052 transformer->decrease ();
4053}
4054

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines