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Comparing deliantra/server/server/apply.C (file contents):
Revision 1.187 by elmex, Tue Jan 13 13:29:57 2009 UTC vs.
Revision 1.274 by root, Fri Jan 27 22:00:40 2012 UTC

1/* 1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992 Frank Tore Johansen
7 * 7 *
8 * Deliantra is free software: you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * it under the terms of the GNU General Public License as published by 9 * the terms of the Affero GNU General Public License as published by the
10 * the Free Software Foundation, either version 3 of the License, or 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * (at your option) any later version. 11 * option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 16 * GNU General Public License for more details.
17 * 17 *
18 * You should have received a copy of the GNU General Public License 18 * You should have received a copy of the Affero GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. 19 * and the GNU General Public License along with this program. If not, see
20 * <http://www.gnu.org/licenses/>.
20 * 21 *
21 * The authors can be reached via e-mail to <support@deliantra.net> 22 * The authors can be reached via e-mail to <support@deliantra.net>
22 */ 23 */
23 24
24#include <cmath> 25#include <cmath>
25 26
… …
29#include <skills.h> 30#include <skills.h>
30#include <tod.h> 31#include <tod.h>
31 32
32#include <sproto.h> 33#include <sproto.h>
33 34
34/* Want this regardless of rplay. */ 35// these must be in the inventory before they can be applied
35#include <sounds.h>
36 36
37/** 37static const struct apply_types_inv_only : typeset
38 * Check if op should abort moving victim because of it's race or slaying.
39 * Returns 1 if it should abort, returns 0 if it should continue.
40 */
41int
42should_director_abort (object *op, object *victim)
43{ 38{
44 int arch_flag, name_flag, race_flag; 39 apply_types_inv_only ()
45
46 /* Get flags to determine what of arch, name, and race should be checked.
47 * This is stored in subtype, and is a bitmask, the LSB is the arch flag,
48 * the next is the name flag, and the last is the race flag. Also note,
49 * if subtype is set to zero, that also goes to defaults of all affecting
50 * it. Examples:
51 * subtype 1: only arch
52 * subtype 3: arch or name
53 * subtype 5: arch or race
54 * subtype 7: all three
55 */
56 if (op->subtype)
57 { 40 {
58 arch_flag = op->subtype & 1; 41 set (WEAPON);
59 name_flag = op->subtype & 2; 42 set (ARMOUR);
60 race_flag = op->subtype & 4; 43 set (BOOTS);
44 set (GLOVES);
45 set (AMULET);
46 set (GIRDLE);
47 set (BRACERS);
48 set (SHIELD);
49 set (HELMET);
50 set (RING);
51 set (CLOAK);
52 set (WAND);
53 set (ROD);
54 set (HORN);
55 set (SKILL);
56 set (SPELL);
57 set (BOW);
58 set (RANGED);
59 set (BUILDER);
60 set (SKILL_TOOL);
61 } 61 }
62 else 62} apply_types_inv_only;
63
64// these only make sense for the player
65
66static const struct apply_types_player_only : typeset
67{
68 apply_types_player_only ()
63 { 69 {
64 arch_flag = 1; 70 set (TRANSPORT);
65 name_flag = 1; 71 set (EXIT);
66 race_flag = 1; 72 set (BOOK);
73 set (SIGN);
74 set (BOOK);
75 set (SKILLSCROLL);
76 set (SPELLBOOK);
77 set (INSCRIBABLE);
78 set (TREASURE);
79 set (SAVEBED);
80 set (ARMOUR_IMPROVER);
81 set (WEAPON_IMPROVER);
82 set (CLOCK);
83 set (MENU);
84 set (LIGHTER); /* for lighting torches/lanterns/etc */
67 } 85 }
86} apply_types_player_only;
68 87
69 /* If the director has race set, only affect objects with a arch, 88// applying these _can_ be attempted, others cannot
70 * name or race that matches. 89// 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 90
78 /* If the director has slaying set, only affect objects where none 91static const struct apply_types : typeset
79 * of arch, name, or race match.
80 */
81 if ((op->slaying) && (((victim->arch && arch_flag && victim->arch->archname && op->slaying == victim->arch->archname))) ||
82 ((victim->name && name_flag && op->slaying == victim->name)) ||
83 ((victim->race && race_flag && op->slaying == victim->race)))
84 return 1;
85
86 return 0;
87}
88
89/**
90 * This handles a player dropping money on an altar to identify stuff.
91 * It'll identify marked item, if none all items up to dropped money.
92 * Return value: 1 if money was destroyed, 0 if not.
93 */
94static int
95apply_id_altar (object *money, object *altar, object *pl)
96{ 92{
97 dynbuf_text buf; 93 apply_types ()
98 94 : typeset ((typeset)apply_types_player_only | (typeset)apply_types_inv_only)
99 if (!pl || pl->type != PLAYER)
100 return 0;
101
102 /* Check for MONEY type is a special hack - it prevents 'nothing needs
103 * identifying' from being printed out more than it needs to be.
104 */
105 if (!check_altar_sacrifice (altar, money) || money->type != MONEY)
106 return 0;
107
108 /* if the player has a marked item, identify that if it needs to be
109 * identified. If it doesn't, then go through the player inventory.
110 */
111 if (object *marked = find_marked_object (pl))
112 if (!QUERY_FLAG (marked, FLAG_IDENTIFIED) && need_identify (marked))
113 {
114 if (operate_altar (altar, &money))
115 {
116 identify (marked);
117
118 buf.printf ("You have %s.\r", long_desc (marked, pl));
119 if (marked->msg)
120 buf << "The item has a story:\r" << marked->msg << "\n\n";
121
122 return !money;
123 }
124 }
125
126 for (object *id = pl->inv; id; id = id->below)
127 { 95 {
128 if (!QUERY_FLAG (id, FLAG_IDENTIFIED) && !id->invisible && need_identify (id)) 96 set (T_HANDLE);
129 { 97 set (TRIGGER);
130 if (operate_altar (altar, &money)) 98 set (SCROLL);
131 { 99 set (POTION);
132 identify (id); 100 set (CLOSE_CON);
133 101 set (CONTAINER);
134 buf.printf ("You have %s.\r", long_desc (id, pl)); 102 set (LAMP);
135 if (id->msg) 103 set (TORCH);
136 buf << "The item has a story:\r" << id->msg << "\n\n"; 104 set (DRINK);
137 105 set (FOOD);
138 /* If no more money, might as well quit now */ 106 set (FLESH);
139 if (!money || !check_altar_sacrifice (altar, money)) 107 set (POISON);
140 break; 108 set (POWER_CRYSTAL);
141 } 109 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 } 110 }
149 111} apply_types;
150 if (buf.empty ())
151 pl->failmsg ("You have nothing that needs identifying");
152 else
153 pl->contr->infobox (MSG_CHANNEL ("identify"), buf);
154
155 return !money;
156}
157
158/**
159 * This checks whether the object has a "on_use_yield" field, and if so generated and drops
160 * matching item.
161 **/
162void
163handle_apply_yield (object *tmp)
164{
165 if (shstr_tmp yield = tmp->kv (shstr_on_use_yield))
166 archetype::get (yield)->insert_at (tmp, tmp, INS_BELOW_ORIGINATOR);
167}
168
169/**
170 * Handles applying a potion.
171 */
172int
173apply_potion (object *op, object *tmp)
174{
175 int got_one = 0, i;
176 object *force = 0, *floor = 0;
177
178 floor = GET_MAP_OB (op->map, op->x, op->y);
179
180 if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_SAFE)
181 {
182 op->failmsg ("Gods prevent you from using this here, it's sacred ground!");
183
184 CLEAR_FLAG (tmp, FLAG_APPLIED);
185 return 0;
186 }
187
188 if (op->type == PLAYER)
189 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
190 identify (tmp);
191
192 handle_apply_yield (tmp);
193
194 /* Potion of restoration - only for players */
195 if (op->type == PLAYER && (tmp->attacktype & AT_DEPLETE))
196 {
197 object *depl;
198 archetype *at;
199
200 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
201 {
202 op->drain_stat ();
203 op->update_stats ();
204 tmp->decrease ();
205 return 1;
206 }
207
208 if (!(at = archetype::find (ARCH_DEPLETION)))
209 {
210 LOG (llevError, "Could not find archetype depletion\n");
211 return 0;
212 }
213
214 depl = present_arch_in_ob (at, op);
215
216 if (depl)
217 {
218 for (i = 0; i < NUM_STATS; i++)
219 if (depl->stats.stat (i))
220 op->statusmsg (restore_msg[i]);
221
222 depl->destroy ();
223 op->update_stats ();
224 }
225 else
226 op->statusmsg ("Your potion had no effect.");
227
228 tmp->decrease ();
229 return 1;
230 }
231
232 /* improvement potion - only for players */
233 if (op->type == PLAYER && (tmp->attacktype & AT_GODPOWER))
234 {
235 for (i = 1; i < MIN (11, op->level); i++)
236 {
237 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
238 {
239 if (op->contr->levhp[i] != 1)
240 {
241 op->contr->levhp[i] = 1;
242 break;
243 }
244
245 if (op->contr->levsp[i] != 1)
246 {
247 op->contr->levsp[i] = 1;
248 break;
249 }
250
251 if (op->contr->levgrace[i] != 1)
252 {
253 op->contr->levgrace[i] = 1;
254 break;
255 }
256 }
257 else
258 {
259 if (op->contr->levhp[i] < 9)
260 {
261 op->contr->levhp[i] = 9;
262 break;
263 }
264
265 if (op->contr->levsp[i] < 6)
266 {
267 op->contr->levsp[i] = 6;
268 break;
269 }
270
271 if (op->contr->levgrace[i] < 3)
272 {
273 op->contr->levgrace[i] = 3;
274 break;
275 }
276 }
277 }
278
279 /* Just makes checking easier */
280 if (i < MIN (11, op->level))
281 got_one = 1;
282
283 if (!QUERY_FLAG (tmp, FLAG_CURSED) && !QUERY_FLAG (tmp, FLAG_DAMNED))
284 {
285 if (got_one)
286 {
287 op->update_stats ();
288 op->statusmsg ("The Gods smile upon you and remake you "
289 "a little more in their image. "
290 "You feel a little more perfect.", NDI_GREEN);
291 }
292 else
293 op->statusmsg ("The potion had no effect - you are already perfect.");
294 }
295 else
296 { /* cursed potion */
297 if (got_one)
298 {
299 op->update_stats ();
300 op->failmsg ("The Gods are angry and punish you.");
301 }
302 else
303 op->statusmsg ("You are fortunate that you are so pathetic.", NDI_DK_ORANGE);
304 }
305
306 tmp->decrease ();
307 return 1;
308 }
309
310
311 /* A potion that casts a spell. Healing, restore spellpoint (power potion)
312 * and heroism all fit into this category. Given the spell object code,
313 * there is no limit to the number of spells that potions can be cast,
314 * but direction is problematic to try and imbue fireball potions for example.
315 */
316 if (tmp->inv)
317 {
318 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
319 {
320 op->failmsg ("Yech! Your lungs are on fire!");
321 create_exploding_ball_at (op, op->level);
322 }
323 else
324 cast_spell (op, tmp, op->facing, tmp->inv, NULL);
325
326 tmp->decrease ();
327
328 /* if youre dead, no point in doing this... */
329 if (!QUERY_FLAG (op, FLAG_REMOVED))
330 op->update_stats ();
331
332 return 1;
333 }
334
335 /* Deal with protection potions */
336 force = NULL;
337 for (i = 0; i < NROFATTACKS; i++)
338 {
339 if (tmp->resist[i])
340 {
341 if (!force)
342 force = get_archetype (FORCE_NAME);
343
344 memcpy (force->resist, tmp->resist, sizeof (tmp->resist));
345 force->type = POTION_EFFECT;
346 break; /* Only need to find one protection since we copy entire batch */
347 }
348 }
349
350 /* This is a protection potion */
351 if (force)
352 {
353 /* cursed items last longer */
354 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
355 {
356 force->stats.food *= 10;
357 for (i = 0; i < NROFATTACKS; i++)
358 if (force->resist[i] > 0)
359 force->resist[i] = -force->resist[i]; /* prot => vuln */
360 }
361
362 force->speed_left = -1;
363 force = insert_ob_in_ob (force, op);
364 CLEAR_FLAG (tmp, FLAG_APPLIED);
365 SET_FLAG (force, FLAG_APPLIED);
366 change_abil (op, force);
367 tmp->decrease ();
368 return 1;
369 }
370
371 /* Only thing left are the stat potions */
372 if (op->type == PLAYER)
373 { /* only for players */
374 if ((QUERY_FLAG (tmp, FLAG_CURSED)
375 || QUERY_FLAG (tmp, FLAG_DAMNED))
376 && tmp->value != 0)
377 CLEAR_FLAG (tmp, FLAG_APPLIED);
378 else
379 SET_FLAG (tmp, FLAG_APPLIED);
380
381 if (!change_abil (op, tmp))
382 op->statusmsg ("Nothing happened.");
383 }
384
385 /* CLEAR_FLAG is so that if the character has other potions
386 * that were grouped with the one consumed, his
387 * stat will not be raised by them. fix_player just clears
388 * up all the stats.
389 */
390 CLEAR_FLAG (tmp, FLAG_APPLIED);
391 op->update_stats ();
392 tmp->decrease ();
393 return 1;
394}
395 112
396/**************************************************************************** 113/****************************************************************************
397 * Weapon improvement code follows 114 * Weapon improvement code follows
398 ****************************************************************************/ 115 ****************************************************************************/
399 116
400/** 117/**
118 * This function just checks whether who can handle equipping an item
119 * with item_power.
120 */
121static bool
122check_item_power (object *who, int item_power)
123{
124 if (who->type == PLAYER
125 && item_power
126 && item_power + who->contr->item_power > settings.item_power_factor * who->level)
127 return false;
128 else
129 return true;
130}
131
132/**
401 * This returns the sum of nrof of item (arch name). 133 * This returns the sum of nrof of item (arch name).
402 */ 134 */
403static int 135static int
404check_item (object *op, shstr_cmp item) 136check_item (object *op, shstr_cmp item)
405{ 137{
… …
408 if (!item) 140 if (!item)
409 return 0; 141 return 0;
410 142
411 for (op = op->below; op; op = op->below) 143 for (op = op->below; op; op = op->below)
412 if (op->arch->archname == item) 144 if (op->arch->archname == item)
413 if (!QUERY_FLAG (op, FLAG_CURSED) && !QUERY_FLAG (op, FLAG_DAMNED) 145 if (!op->flag [FLAG_CURSED] && !op->flag [FLAG_DAMNED]
414 && /* Loophole bug? -FD- */ !QUERY_FLAG (op, FLAG_UNPAID)) 146 && /* Loophole bug? -FD- */ !op->flag [FLAG_UNPAID])
415 count += op->number_of (); 147 count += op->number_of ();
416 148
417 return count; 149 return count;
418} 150}
419 151
… …
453 op = op->below; 185 op = op->below;
454 } 186 }
455} 187}
456 188
457/** 189/**
458 * This checks to see of the player (who) is sufficient level to use a weapon
459 * with improvs improvements (typically last_eat). We take an int here
460 * instead of the object so that the improvement code can pass along the
461 * increased value to see if the object is usuable.
462 * we return 1 (true) if the player can use the weapon.
463 */
464static int
465check_weapon_power (const object *who, int improvs)
466{
467/* Old code is below (commented out). Basically, since weapons are the only
468 * object players really have any control to improve, it's a bit harsh to
469 * require high level in some combat skill, so we just use overall level.
470 */
471#if 1
472 if (((who->level / 5) + 5) >= improvs)
473 return 1;
474 else
475 return 0;
476
477#else
478 int level = 0;
479
480 /* The skill system hands out wc and dam bonuses to fighters
481 * more generously than the old system (see fix_player). Thus
482 * we need to curtail the power of player enchanted weapons.
483 * I changed this to 1 improvement per "fighter" level/5 -b.t.
484 * Note: Nothing should break by allowing this ratio to be different or
485 * using normal level - it is just a matter of play balance.
486 */
487 if (who->type == PLAYER)
488 {
489 object *wc_obj = NULL;
490
491 for (wc_obj = who->inv; wc_obj; wc_obj = wc_obj->below)
492 if (wc_obj->type == SKILL && IS_COMBAT_SKILL (wc_obj->subtype) && wc_obj->level > level)
493 level = wc_obj->level;
494
495 if (!level)
496 {
497 LOG (llevError, "Error: Player: %s lacks wc experience object\n", who->name);
498 level = who->level;
499 }
500 }
501 else
502 level = who->level;
503
504 return (improvs <= ((level / 5) + 5));
505#endif
506}
507
508/**
509 * Returns how many items of type improver->slaying there are under op. 190 * Returns how many items of type improver->slaying there are under op.
510 * Will display a message if none found, and 1 if improver->slaying is NULL. 191 * Will display a message if none found, and 1 if improver->slaying is NULL.
511 */ 192 */
512static int 193static int
513check_sacrifice (object *op, const object *improver) 194check_sacrifice (object *op, const object *improver)
… …
517 if (improver->slaying) 198 if (improver->slaying)
518 { 199 {
519 count = check_item (op, improver->slaying); 200 count = check_item (op, improver->slaying);
520 if (count < 1) 201 if (count < 1)
521 { 202 {
522 op->failmsg (format ("The gods want more %ss", &improver->slaying)); 203 op->failmsgf ("The gods want more %ss", &improver->slaying);
523 return 0; 204 return 0;
524 } 205 }
525 } 206 }
526 else 207 else
527 count = 1; 208 count = 1;
… …
566 247
567/** 248/**
568 * This does the prepare weapon scroll. 249 * This does the prepare weapon scroll.
569 * Checks for sacrifice, and so on. 250 * Checks for sacrifice, and so on.
570 */ 251 */
571int 252static int
572prepare_weapon (object *op, object *improver, object *weapon) 253prepare_weapon (object *op, object *improver, object *weapon)
573{ 254{
574 int sacrifice_count, i; 255 int sacrifice_count, i;
575 char buf[MAX_BUF];
576 256
577 if (weapon->level != 0) 257 if (weapon->level != 0)
578 { 258 {
579 op->failmsg ("Weapon is already prepared!"); 259 op->failmsg ("Weapon is already prepared!");
580 return 0; 260 return 0;
… …
609 "Your sacrifice was accepted." 289 "Your sacrifice was accepted."
610 "Your *%s may be improved %d times.", 290 "Your *%s may be improved %d times.",
611 &weapon->name, weapon->level 291 &weapon->name, weapon->level
612 )); 292 ));
613 293
614 sprintf (buf, "%s's %s", &op->name, &weapon->name); 294 weapon->name = weapon->name_pl = format ("%s's %s", &op->name, &weapon->name);
615 weapon->name = weapon->name_pl = buf;
616 weapon->nrof = 0; /* prevents preparing n weapons in the same 295 weapon->nrof = 0; /* prevents preparing n weapons in the same
617 slot at once! */ 296 slot at once! */
618 improver->decrease (); 297 improver->decrease ();
619 weapon->last_eat = 0; 298 weapon->last_eat = 0;
620 return 1; 299 return 1;
… …
629 * 308 *
630 * We are hiding extra information about the weapon in the level and 309 * We are hiding extra information about the weapon in the level and
631 * last_eat numbers for an object. Hopefully this won't break anything ?? 310 * last_eat numbers for an object. Hopefully this won't break anything ??
632 * level == max improve last_eat == current improve 311 * level == max improve last_eat == current improve
633 */ 312 */
634int 313static int
635improve_weapon (object *op, object *improver, object *weapon) 314improve_weapon (object *op, object *improver, object *weapon)
636{ 315{
637 int sacrifice_count, sacrifice_needed = 0; 316 int sacrifice_count, sacrifice_needed = 0;
638 317
639 if (improver->stats.sp == IMPROVE_PREPARE) 318 if (improver->stats.sp == IMPROVE_PREPARE)
640 return prepare_weapon (op, improver, weapon); 319 return prepare_weapon (op, improver, weapon);
641 320
642 if (weapon->level == 0) 321 if (weapon->level == 0)
643 { 322 {
644 op->failmsg ("This weapon has not been prepared. H<You first ahve to prepare a weapon with a prepare weapon scroll.>"); 323 op->failmsg (
324 "This weapon has not been prepared."
325 " H<You first have to prepare a weapon with a prepare weapon scroll.>");
645 return 0; 326 return 0;
646 } 327 }
647 328
648 if (weapon->level == weapon->last_eat && weapon->item_power >= 100) 329 if (weapon->last_eat >= weapon->level // improvements used up
330 || weapon->item_power >= 100) // or item_power >= arbitrary limit of 100
649 { 331 {
650 op->failmsg ("This weapon cannot be improved any more."); 332 op->failmsg ("This weapon cannot be improved any more.");
651 return 0; 333 return 0;
652 } 334 }
653 335
654 if (QUERY_FLAG (weapon, FLAG_APPLIED) && !check_weapon_power (op, weapon->last_eat + 1)) 336 if (weapon->flag [FLAG_APPLIED]
337 && !check_item_power (op, weapon->item_power + 1))
655 { 338 {
656 op->failmsg ("Improving the weapon will make it too " 339 op->failmsg ("Improving the weapon will make it too "
657 "powerful for you to use. Unready it if you " 340 "powerful for you to use. Unready it if you "
658 "really want to improve it."); 341 "really want to improve it.");
659 return 0; 342 return 0;
… …
708 sacrifice_needed *= 2; 391 sacrifice_needed *= 2;
709 392
710 sacrifice_count = check_sacrifice (op, improver); 393 sacrifice_count = check_sacrifice (op, improver);
711 if (sacrifice_count < sacrifice_needed) 394 if (sacrifice_count < sacrifice_needed)
712 { 395 {
713 op->failmsg (format ("You need at least %d %s.", sacrifice_needed, &improver->slaying)); 396 op->failmsgf ("You need at least %d %s.", sacrifice_needed, &improver->slaying);
714 return 0; 397 return 0;
715 } 398 }
716 399
717 eat_item (op, improver->slaying, sacrifice_needed); 400 eat_item (op, improver->slaying, sacrifice_needed);
718 weapon->item_power++; 401 weapon->item_power++;
… …
737/** 420/**
738 * Handles the applying of improve/prepare/enchant weapon scroll. 421 * Handles the applying of improve/prepare/enchant weapon scroll.
739 * Checks a few things (not on a non-magic square, marked weapon, ...), 422 * Checks a few things (not on a non-magic square, marked weapon, ...),
740 * then calls improve_weapon to do the dirty work. 423 * then calls improve_weapon to do the dirty work.
741 */ 424 */
742int 425static int
743check_improve_weapon (object *op, object *tmp) 426check_improve_weapon (object *op, object *tmp)
744{ 427{
745 object *otmp;
746
747 if (op->type != PLAYER) 428 if (op->type != PLAYER)
748 return 0; 429 return 0;
749 430
750 if (!QUERY_FLAG (op, FLAG_WIZCAST) && (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_NO_MAGIC)) 431 if (!op->flag [FLAG_WIZCAST] && (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_NO_MAGIC))
751 { 432 {
752 op->failmsg ("Something blocks the magic of the scroll!"); 433 op->failmsg ("Something blocks the magic of the scroll!");
753 return 0; 434 return 0;
754 } 435 }
755 436
756 otmp = find_marked_object (op); 437 object *otmp = op->mark ();
757 438
758 if (!otmp) 439 if (!otmp)
759 { 440 {
760 op->failmsg ("You need to mark a weapon object. H<Use the mark command or the mark option from the item popup menu.>"); 441 op->failmsg ("You need to mark a weapon object. H<Use the mark command or the mark option from the item popup menu.>");
761 return 0; 442 return 0;
762 } 443 }
763 444
764 if (otmp->type != WEAPON && otmp->type != BOW) 445 if (otmp->type != WEAPON && otmp->type != BOW)
765 { 446 {
766 op->failmsg ("Marked item is not a weapon or bow!"); 447 op->failmsg ("Marked item is not a weapon or bow!");
448 return 0;
449 }
450
451 if (!op->apply (otmp, AP_UNAPPLY))
452 {
453 op->failmsg ("You are unable to take off your weapon to improve it!");
767 return 0; 454 return 0;
768 } 455 }
769 456
770 op->statusmsg ("Applied weapon builder."); 457 op->statusmsg ("Applied weapon builder.");
771 458
… …
794 * the armour value of the piece of equipment exceed either 481 * the armour value of the piece of equipment exceed either
795 * the users level or 90) 482 * the users level or 90)
796 * Modified by MSW for partial resistance. Only support 483 * Modified by MSW for partial resistance. Only support
797 * changing of physical area right now. 484 * changing of physical area right now.
798 */ 485 */
799int 486static int
800improve_armour (object *op, object *improver, object *armour) 487improve_armour (object *op, object *improver, object *armour)
801{ 488{
802 object *tmp;
803
804 if (armour->magic >= settings.armor_max_enchant) 489 if (armour->magic >= settings.armor_max_enchant)
805 { 490 {
806 op->failmsg ("This armour can not be enchanted any further!"); 491 op->failmsg ("This armour can not be enchanted any further!");
807 return 0; 492 return 0;
808 } 493 }
… …
819 } 504 }
820 505
821 /* Split objects if needed. Can't insert tmp until the 506 /* Split objects if needed. Can't insert tmp until the
822 * end of this function - otherwise it will just re-merge. 507 * end of this function - otherwise it will just re-merge.
823 */ 508 */
824 tmp = armour->nrof > 1 ? armour->split (armour->nrof - 1) : 0; 509 object *tmp = armour->nrof > 1 ? armour->split (armour->nrof - 1) : 0;
825 510
826 armour->magic++; 511 armour->magic++;
827 512
828 if (!settings.armor_speed_linear) 513 if (!settings.armor_speed_linear)
829 { 514 {
… …
867 552
868 if (op->type == PLAYER) 553 if (op->type == PLAYER)
869 { 554 {
870 esrv_send_item (op, armour); 555 esrv_send_item (op, armour);
871 556
872 if (QUERY_FLAG (armour, FLAG_APPLIED)) 557 if (armour->flag [FLAG_APPLIED])
873 op->update_stats (); 558 op->update_stats ();
874 } 559 }
875 560
876 improver->decrease (); 561 improver->decrease ();
877 562
… …
888 * Takes one type of items and makes another. 573 * Takes one type of items and makes another.
889 * converter is the object that is doing the conversion. 574 * converter is the object that is doing the conversion.
890 * item is the object that triggered the converter - if it is not 575 * item is the object that triggered the converter - if it is not
891 * what the converter wants, this will not do anything. 576 * what the converter wants, this will not do anything.
892 */ 577 */
893static int 578int
894convert_item (object *item, object *converter) 579convert_item (object *item, object *converter)
895{ 580{
896 sint64 nr, price_in; 581 sint64 nr = 0, price_in;
897 582
898 if (item->flag [FLAG_UNPAID]) 583 if (item->flag [FLAG_UNPAID])
899 return 0; 584 return 0;
900 585
901 shstr conv_from = converter->slaying; 586 shstr conv_from = converter->slaying;
902 archetype *conv_to = converter->other_arch; 587 archetype *conv_to = converter->other_arch;
903 sint64 need = converter->stats.food; 588 sint64 need = converter->stats.food;
904 sint64 give = converter->stats.sp; 589 sint64 give = converter->stats.sp;
905 590
… …
957 for (ob = converter->inv->below, i = 1; ob; ob = ob->below, i++) 642 for (ob = converter->inv->below, i = 1; ob; ob = ob->below, i++)
958 if (rndm (0, i) == 0) 643 if (rndm (0, i) == 0)
959 ob_to_copy = ob; 644 ob_to_copy = ob;
960 645
961 item = ob_to_copy->deep_clone (); 646 item = ob_to_copy->deep_clone ();
962 CLEAR_FLAG (item, FLAG_IS_A_TEMPLATE); 647 item->clr_flag (FLAG_IS_A_TEMPLATE);
963 unflag_inv (item, FLAG_IS_A_TEMPLATE); 648 unflag_inv (item, FLAG_IS_A_TEMPLATE);
964 } 649 }
965 else 650 else
966 { 651 {
967 if (!conv_to) 652 if (!conv_to)
… …
980 665
981 if (nr) 666 if (nr)
982 item->nrof *= nr; 667 item->nrof *= nr;
983 668
984 if (converter->flag [FLAG_PRECIOUS]) 669 if (converter->flag [FLAG_PRECIOUS])
985 SET_FLAG (item, FLAG_UNPAID); 670 item->set_flag (FLAG_UNPAID);
986 671
987 if (is_in_shop (converter)) 672 if (converter->is_in_shop ())
988 { 673 {
989 // converters on shop floors don't work anymore, bug lets check for it 674 // converters on shop floors don't work anymore, bug lets check for it
990 // and report in case someone still does it. 675 // and report in case someone still does it.
991 LOG (llevDebug, "ITEMBUG: broken converter, converters on shop floor don't work: %s\n", 676 LOG (llevDebug, "ITEMBUG: broken converter, converters on shop floor don't work: %s\n",
992 converter->debug_desc ()); 677 converter->debug_desc ());
993 SET_FLAG (item, FLAG_UNPAID); 678 item->set_flag (FLAG_UNPAID);
994 } 679 }
995 else if (price_in < sint64 (item->nrof) * item->value) 680 else if (price_in < sint64 (item->nrof) * item->value)
996 { 681 {
997 LOG (llevDebug, "converter output price higher than input: %s at %s (%d, %d) in value %d, out value %d for %s\n", 682 LOG (llevDebug, "converter output price higher than input: %s at %s (%d, %d) in value %d, out value %d for %s\n",
998 &converter->name, &converter->map->path, converter->x, converter->y, price_in, item->nrof * item->value, &item->name); 683 &converter->name, &converter->map->path, converter->x, converter->y, price_in, item->nrof * item->value, &item->name);
… …
1002 */ 687 */
1003 } 688 }
1004 689
1005 // elmex: only identify if we need to, for example so that generated money doesn't 690 // elmex: only identify if we need to, for example so that generated money doesn't
1006 // get an 'identified' flag so easily. 691 // get an 'identified' flag so easily.
1007 if (need_identify (item)) 692 if (item->need_identify ())
1008 identify (item); 693 identify (item);
1009 694
1010 insert_ob_in_map_at (item, converter->map, converter, 0, converter->x, converter->y); 695 item->insert_at (converter, 0, INS_NO_WALK_ON);
696
1011 return 1; 697 return 1;
1012} 698}
1013 699
1014/** 700/**
1015 * Handle apply on containers. 701 * Handle apply on containers.
1016 * By Eneq(@csd.uu.se). 702 * By Eneq(@csd.uu.se).
1017 * Moved to own function and added many features [Tero.Haatanen@lut.fi] 703 * Moved to own function and added many features [Tero.Haatanen@lut.fi]
1018 * added the alchemical cauldron to the code -b.t. 704 * added the alchemical cauldron to the code -b.t.
1019 */ 705 */
1020int 706static int
1021apply_container (object *op, object *sack) 707apply_container (object *op, object *sack)
1022{ 708{
1023 if (op->type != PLAYER || !op->contr->ns) 709 if (op->type != PLAYER || !op->contr->ns)
1024 return 0; /* This might change */ 710 return 0; /* This might change */
1025 711
… …
1038 } 724 }
1039 725
1040 // already applied == open on ground, or open in inv, or active in inv 726 // already applied == open on ground, or open in inv, or active in inv
1041 if (sack->flag [FLAG_APPLIED]) 727 if (sack->flag [FLAG_APPLIED])
1042 { 728 {
1043 if (op->container == sack) 729 if (op->container_ () == sack)
1044 { 730 {
1045 // open on ground or inv, so close 731 // open on ground or inv, so close
1046 op->close_container (); 732 op->close_container ();
1047 return 1; 733 return 1;
1048 } 734 }
1049 else if (!sack->env) 735 else if (!sack->env)
1050 { 736 {
1051 // active, but not ours: some other player has opened it 737 // active on floor, but not ours: some other player has opened it
738 // normally this only happens to dms standing on the same space.
739 // but it doesn't hurt to handle it.
1052 op->failmsg (format ("Somebody else is using the %s already.", query_name (sack))); 740 op->failmsgf ("Somebody else is using the %s already.", query_name (sack));
1053 return 1; 741 return 1;
1054 } 742 }
743 }
1055 744
1056 // fall through to opening it (active in inv) 745 // it's locked?
746 if (sack->slaying)
1057 } 747 {
1058 else if (sack->env) 748 if (object *tmp = find_key (op, op, sack))
749 {
750 op->statusmsg (format ("You unlock %s with %s.", query_name (sack), query_name (tmp)));
751 }
752 else
753 {
754 sack->flag [FLAG_APPLIED] = false; // might be applied in inv, let the user close it
755 esrv_update_item (UPD_FLAGS, op, sack);
756 op->statusmsg (format ("You don't have the key to unlock %s.", query_name (sack)));
757 return 1;
758 }
759 }
760
761 if (sack->env && !sack->flag [FLAG_APPLIED])
1059 { 762 {
1060 // it is in our env, so activate it, do not open yet 763 // it is in our env, so activate it, do not open yet
1061 op->close_container (); 764 op->close_container ();
1062 sack->flag [FLAG_APPLIED] = 1; 765 sack->flag [FLAG_APPLIED] = true;
1063 esrv_update_item (UPD_FLAGS, op, sack); 766 esrv_update_item (UPD_FLAGS, op, sack);
1064 op->statusmsg (format ("You ready %s.", query_name (sack))); 767 op->statusmsg (format ("You ready %s.", query_name (sack)));
1065 return 1;
1066 }
1067
1068 // it's locked?
1069 if (sack->slaying)
1070 { 768 }
1071 if (object *tmp = find_key (op, op, sack))
1072 op->statusmsg (format ("You unlock %s with %s.", query_name (sack), query_name (tmp)));
1073 else 769 else
1074 {
1075 op->statusmsg (format ("You don't have the key to unlock %s.", query_name (sack)));
1076 return 1;
1077 }
1078 }
1079
1080 op->open_container (sack); 770 op->open_container (sack);
1081 771
1082 return 1; 772 return 1;
1083} 773}
1084 774
1085/** 775/**
… …
1091{ 781{
1092 /* Only players can make sacrifices on spell casting altars. */ 782 /* Only players can make sacrifices on spell casting altars. */
1093 if (altar->inv && (!originator || originator->type != PLAYER)) 783 if (altar->inv && (!originator || originator->type != PLAYER))
1094 return 0; 784 return 0;
1095 785
1096 if (operate_altar (altar, &sacrifice)) 786 if (operate_altar (altar, &sacrifice, originator))
1097 { 787 {
1098 /* Simple check. Unfortunately, it means you can't cast magic bullet 788 /* Simple check. Unfortunately, it means you can't cast magic bullet
1099 * with an altar. We call it a Potion - altars are stationary - it 789 * with an altar. We call it a Potion - altars are stationary - it
1100 * is up to map designers to use them properly. 790 * is up to map designers to use them properly.
1101 */ 791 */
… …
1133{ 823{
1134 int rv = 0; 824 int rv = 0;
1135 double opinion; 825 double opinion;
1136 object *tmp, *next; 826 object *tmp, *next;
1137 827
1138 SET_FLAG (op, FLAG_NO_APPLY); /* prevent loops */ 828 op->set_flag (FLAG_NO_APPLY); /* prevent loops */
1139 829
1140 bool has_unpaid = false; 830 bool has_unpaid = false;
1141 831
1142 // quite inefficient to do this here twice, but the api doesn'T lend itself to 832 // quite inefficient to do this here twice, but the api doesn't lend itself to
1143 // a quick and small change :( 833 // a quick and small change :(
1144 for (object::depth_iterator item = op->begin (); item != op->end (); ++item) 834 for (object::depth_iterator item = op->begin (); item != op->end (); ++item)
1145 if (item->flag [FLAG_UNPAID]) 835 if (item->flag [FLAG_UNPAID])
1146 { 836 {
1147 has_unpaid = true; 837 has_unpaid = true;
… …
1156 */ 846 */
1157 for (tmp = op->inv; tmp; tmp = next) 847 for (tmp = op->inv; tmp; tmp = next)
1158 { 848 {
1159 next = tmp->below; 849 next = tmp->below;
1160 850
1161 if (QUERY_FLAG (tmp, FLAG_UNPAID)) 851 if (tmp->flag [FLAG_UNPAID])
1162 { 852 {
1163 int i = find_free_spot (tmp, op->map, op->x, op->y, 1, 9); 853 int i = find_free_spot (tmp, op->map, op->x, op->y, 1, 9);
1164 854
1165 if (i >= 0) 855 if (i >= 0)
1166 tmp->move (i); 856 tmp->move (i);
1167 } 857 }
1168 } 858 }
1169 859
1170 /* Don't teleport things like spell effects */ 860 /* Don't teleport things like spell effects */
1171 if (QUERY_FLAG (op, FLAG_NO_PICK)) 861 if (op->flag [FLAG_NO_PICK])
1172 return 0; 862 return 0;
1173 863
1174 /* unpaid objects, or non living objects, can't transfer by 864 /* unpaid objects, or non living objects, can't transfer by
1175 * shop mats. Instead, put it on a nearby space. 865 * shop mats. Instead, put it on a nearby space.
1176 */ 866 */
1177 if (QUERY_FLAG (op, FLAG_UNPAID) || !QUERY_FLAG (op, FLAG_ALIVE)) 867 if (op->flag [FLAG_UNPAID] || !op->flag [FLAG_ALIVE])
1178 { 868 {
1179 /* Somebody dropped an unpaid item, just move to an adjacent place. */ 869 /* Somebody dropped an unpaid item, just move to an adjacent place. */
1180 int i = find_free_spot (op, op->map, op->x, op->y, 1, 9); 870 int i = find_free_spot (op, op->map, op->x, op->y, 1, 9);
1181 871
1182 if (i != -1) 872 if (i != -1)
… …
1195 /* this is only used for players */ 885 /* this is only used for players */
1196 rv = teleport (shop_mat, SHOP_MAT, op); 886 rv = teleport (shop_mat, SHOP_MAT, op);
1197 887
1198 if (has_unpaid) 888 if (has_unpaid)
1199 op->contr->play_sound (sound_find ("shop_buy")); 889 op->contr->play_sound (sound_find ("shop_buy"));
1200 else if (is_in_shop (op)) 890 else if (op->is_in_shop ())
1201 op->contr->play_sound (sound_find ("shop_enter")); 891 op->contr->play_sound (sound_find ("shop_enter"));
1202 else 892 else
1203 op->contr->play_sound (sound_find ("shop_leave")); 893 op->contr->play_sound (sound_find ("shop_leave"));
1204 894
1205 if (shop_mat->msg) 895 if (shop_mat->msg)
1206 op->statusmsg (shop_mat->msg); 896 op->statusmsg (shop_mat->msg);
1207 /* This check below is a bit simplistic - generally it should be correct, 897 /* This check below is a bit simplistic - generally it should be correct,
1208 * but there is never a guarantee that the bottom space on the map is 898 * but there is never a guarantee that the bottom space on the map is
1209 * actually the shop floor. 899 * actually the shop floor.
1210 */ 900 */
1211 else if (!rv && !is_in_shop (op)) 901 else if (!rv && !op->is_in_shop ())
1212 { 902 {
1213 opinion = shopkeeper_approval (op->map, op); 903 opinion = shopkeeper_approval (op->map, op);
1214 904
1215 op->statusmsg ( 905 op->statusmsg (
1216 opinion >= 0.90 ? "The shopkeeper gives you a friendly wave." 906 opinion >= 0.90 ? "The shopkeeper gives you a friendly wave."
… …
1237 op->y += freearr_y[i]; 927 op->y += freearr_y[i];
1238 rv = insert_ob_in_map (op, op->map, shop_mat, 0) == NULL; 928 rv = insert_ob_in_map (op, op->map, shop_mat, 0) == NULL;
1239 } 929 }
1240 } 930 }
1241 931
1242 CLEAR_FLAG (op, FLAG_NO_APPLY); 932 op->clr_flag (FLAG_NO_APPLY);
1243 return rv; 933 return rv;
1244} 934}
1245 935
1246/** 936/**
1247 * Handles applying a sign. 937 * Handles applying a sign.
… …
1275 op->failmsg ("You cannot read it anymore."); 965 op->failmsg ("You cannot read it anymore.");
1276 966
1277 return; 967 return;
1278 } 968 }
1279 969
1280 if (!QUERY_FLAG (op, FLAG_WIZPASS)) 970 if (!op->flag [FLAG_WIZPASS])
1281 sign->last_eat++; 971 sign->last_eat++;
1282 } 972 }
1283 973
1284 /* Sign or magic mouth? Do we need to see it, or does it talk to us? 974 /* Sign or magic mouth? Do we need to see it, or does it talk to us?
1285 * No way to know for sure. The presumption is basically that if 975 * No way to know for sure. The presumption is basically that if
1286 * move_on is zero, it needs to be manually applied (doesn't talk 976 * move_on is zero, it needs to be manually applied (doesn't talk
1287 * to us). 977 * to us).
1288 */ 978 */
1289 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ) && !sign->move_on) 979 if (op->flag [FLAG_BLIND] && !op->flag [FLAG_WIZ] && !sign->move_on)
1290 { 980 {
1291 op->failmsg ("You are unable to read while blind!"); 981 op->failmsg ("You are unable to read while blind!");
1292 return; 982 return;
1293 } 983 }
1294 984
… …
1335 EXIT_Y (trap) + freearr_y[dir], 1025 EXIT_Y (trap) + freearr_y[dir],
1336 0, victim); 1026 0, victim);
1337} 1027}
1338 1028
1339/** 1029/**
1340 * 'victim' moves onto 'trap'
1341 * 'victim' leaves 'trap'
1342 * effect is determined by move_on/move_off of trap and move_type of victime.
1343 *
1344 * originator: Player, monster or other object that caused 'victim' to move
1345 * onto 'trap'. Will receive messages caused by this action. May be NULL.
1346 * However, some types of traps require an originator to function.
1347 */
1348void
1349move_apply (object *trap, object *victim, object *originator)
1350{
1351 static int recursion_depth = 0;
1352
1353 /* Only exits affect DMs. */
1354 if (QUERY_FLAG (victim, FLAG_WIZPASS) && trap->type != EXIT && trap->type != SIGN)
1355 return;
1356
1357 /* move_apply() is the most likely candidate for causing unwanted and
1358 * possibly unlimited recursion.
1359 */
1360 /* The following was changed because it was causing perfeclty correct
1361 * maps to fail. 1) it's not an error to recurse:
1362 * rune detonates, summoning monster. monster lands on nearby rune.
1363 * nearby rune detonates. This sort of recursion is expected and
1364 * proper. This code was causing needless crashes.
1365 */
1366 if (recursion_depth >= 500)
1367 {
1368 LOG (llevDebug, "WARNING: move_apply(): aborting recursion "
1369 "[trap arch %s, name %s; victim arch %s, name %s]\n", &trap->arch->archname, &trap->name, &victim->arch->archname, &victim->name);
1370 return;
1371 }
1372
1373 recursion_depth++;
1374 if (trap->head)
1375 trap = trap->head;
1376
1377 if (INVOKE_OBJECT (MOVE_TRIGGER, trap, ARG_OBJECT (victim), ARG_OBJECT (originator)))
1378 goto leave;
1379
1380 switch (trap->type)
1381 {
1382 case PLAYERMOVER:
1383 if (trap->attacktype && (trap->level || victim->type != PLAYER) && !should_director_abort (trap, victim))
1384 {
1385 if (!trap->stats.maxsp)
1386 trap->stats.maxsp = 2;
1387
1388 /* Is this correct? From the docs, it doesn't look like it
1389 * should be divided by trap->speed
1390 */
1391 victim->speed_left = -FABS (trap->stats.maxsp * victim->speed / trap->speed);
1392
1393 /* Just put in some sanity check. I think there is a bug in the
1394 * above with some objects have zero speed, and thus the player
1395 * getting permanently paralyzed.
1396 */
1397 if (victim->speed_left < -50.f)
1398 victim->speed_left = -50.f;
1399 /* LOG(llevDebug, "apply, playermove, player speed_left=%f\n", victim->speed_left); */
1400 }
1401 goto leave;
1402
1403 case SPINNER:
1404 if (victim->direction)
1405 {
1406 victim->direction = absdir (victim->direction - trap->stats.sp);
1407 update_turn_face (victim);
1408 }
1409 goto leave;
1410
1411 case DIRECTOR:
1412 if (victim->direction && !should_director_abort (trap, victim))
1413 {
1414 victim->direction = trap->stats.sp;
1415 update_turn_face (victim);
1416 }
1417 goto leave;
1418
1419 case BUTTON:
1420 case PEDESTAL:
1421 update_button (trap, originator);
1422 goto leave;
1423
1424 case ALTAR:
1425 /* sacrifice victim on trap */
1426 apply_altar (trap, victim, originator);
1427 goto leave;
1428
1429 case THROWN_OBJ:
1430 if (trap->inv == NULL)
1431 goto leave;
1432 /* fallthrough */
1433
1434 case ARROW:
1435 /* bad bug: monster throw a object, make a step forwards, step on object ,
1436 * trigger this here and get hit by own missile - and will be own enemy.
1437 * Victim then is his own enemy and will start to kill herself (this is
1438 * removed) but we have not synced victim and his missile. To avoid senseless
1439 * action, we avoid hits here
1440 */
1441 if ((QUERY_FLAG (victim, FLAG_ALIVE) && trap->speed) && trap->owner != victim)
1442 hit_with_arrow (trap, victim);
1443 goto leave;
1444
1445 case SPELL_EFFECT:
1446 apply_spell_effect (trap, victim);
1447 goto leave;
1448
1449 case TRAPDOOR:
1450 {
1451 int max, sound_was_played;
1452 object *ab, *ab_next;
1453
1454 if (!trap->value)
1455 {
1456 int tot;
1457
1458 for (ab = trap->above, tot = 0; ab; ab = ab->above)
1459 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
1460 tot += ab->head_ ()->total_weight ();
1461
1462 if (!(trap->value = (tot > trap->weight) ? 1 : 0))
1463 goto leave;
1464
1465 SET_ANIMATION (trap, trap->value);
1466 update_object (trap, UP_OBJ_FACE);
1467 }
1468
1469 for (ab = trap->above, max = 100, sound_was_played = 0; --max && ab; ab = ab_next)
1470 {
1471 /* need to set this up, since if we do transfer the object,
1472 * ab->above would be bogus
1473 */
1474 ab_next = ab->above;
1475
1476 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
1477 {
1478 if (!sound_was_played)
1479 {
1480 trap->play_sound (trap->sound ? trap->sound : sound_find ("fall_hole"));
1481 sound_was_played = 1;
1482 }
1483
1484 ab->statusmsg ("You fall into a trapdoor!", NDI_RED);
1485 transfer_ob (ab, EXIT_X (trap), EXIT_Y (trap), 0, ab);
1486 }
1487 }
1488 goto leave;
1489 }
1490
1491 case CONVERTER:
1492 if (convert_item (victim, trap) < 0)
1493 {
1494 originator->failmsg (format ("The %s seems to be broken!", query_name (trap)));
1495 archetype::get (shstr_burnout)->insert_at (trap, trap);
1496 }
1497
1498 goto leave;
1499
1500 case TRIGGER_BUTTON:
1501 case TRIGGER_PEDESTAL:
1502 case TRIGGER_ALTAR:
1503 check_trigger (trap, victim);
1504 goto leave;
1505
1506 case DEEP_SWAMP:
1507 walk_on_deep_swamp (trap, victim);
1508 goto leave;
1509
1510 case CHECK_INV:
1511 check_inv (victim, trap);
1512 goto leave;
1513
1514 case HOLE:
1515 move_apply_hole (trap, victim);
1516 goto leave;
1517
1518 case EXIT:
1519 if (victim->type == PLAYER && EXIT_PATH (trap))
1520 {
1521 /* Basically, don't show exits leading to random maps the
1522 * players output.
1523 */
1524 if (trap->msg && !EXIT_PATH (trap).starts_with ("/!"))
1525 victim->statusmsg (trap->msg, NDI_NAVY);
1526
1527 trap->play_sound (trap->sound);
1528 victim->enter_exit (trap);
1529 }
1530 goto leave;
1531
1532 case ENCOUNTER:
1533 /* may be some leftovers on this */
1534 goto leave;
1535
1536 case SHOP_MAT:
1537 apply_shop_mat (trap, victim);
1538 goto leave;
1539
1540 /* Drop a certain amount of gold, and have one item identified */
1541 case IDENTIFY_ALTAR:
1542 apply_id_altar (victim, trap, originator);
1543 goto leave;
1544
1545 case SIGN:
1546 if (victim->type != PLAYER && trap->stats.food > 0)
1547 goto leave; /* monsters musn't apply magic_mouths with counters */
1548
1549 apply_sign (victim, trap, 1);
1550 goto leave;
1551
1552 case CONTAINER:
1553 apply_container (victim, trap);
1554 goto leave;
1555
1556 case RUNE:
1557 case TRAP:
1558 if (trap->level && QUERY_FLAG (victim, FLAG_ALIVE))
1559 spring_trap (trap, victim);
1560 goto leave;
1561
1562 default:
1563 LOG (llevDebug, "name %s, arch %s, type %d with fly/walk on/off not "
1564 "handled in move_apply()\n", &trap->name, &trap->arch->archname, trap->type);
1565 goto leave;
1566 }
1567
1568leave:
1569 recursion_depth--;
1570}
1571
1572/**
1573 * Handles reading a regular (ie not containing a spell) book.
1574 */
1575static void
1576apply_book (object *op, object *tmp)
1577{
1578 int lev_diff;
1579 object *skill_ob;
1580
1581 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
1582 {
1583 op->failmsg ("You are unable to read while blind!");
1584 return;
1585 }
1586
1587 if (!tmp->msg)
1588 {
1589 op->failmsg (format ("You open the %s and find it empty.", &tmp->name));
1590 return;
1591 }
1592
1593 /* need a literacy skill to read stuff! */
1594 skill_ob = find_skill_by_name (op, tmp->skill);
1595 if (!skill_ob)
1596 {
1597 op->failmsg (format ("You are unable to decipher the strange symbols. H<You lack the %s skill to read this.>", &tmp->skill));
1598 return;
1599 }
1600
1601 lev_diff = tmp->level - (skill_ob->level + 5);
1602 if (!QUERY_FLAG (op, FLAG_WIZ) && lev_diff > 0)
1603 {
1604 op->failmsg (lev_diff < 2 ? "This book is just barely beyond your comprehension."
1605 : lev_diff < 3 ? "This book is slightly beyond your comprehension."
1606 : lev_diff < 5 ? "This book is beyond your comprehension."
1607 : lev_diff < 8 ? "This book is quite a bit beyond your comprehension."
1608 : lev_diff < 15 ? "This book is way beyond your comprehension."
1609 : "This book is totally beyond your comprehension.");
1610 return;
1611 }
1612
1613 readable_message_type *msgType = get_readable_message_type (tmp);
1614
1615 if (player *pl = op->contr)
1616 if (client *ns = pl->ns)
1617 pl->infobox (MSG_CHANNEL ("book"), format ("T<%s>\n\n%s", (char *)long_desc (tmp, op), &tmp->msg));
1618
1619 /* gain xp from reading */
1620 if (!QUERY_FLAG (tmp, FLAG_NO_SKILL_IDENT))
1621 { /* only if not read before */
1622 int exp_gain = calc_skill_exp (op, tmp, skill_ob);
1623
1624 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
1625 {
1626 /*exp_gain *= 2; because they just identified it too */
1627 SET_FLAG (tmp, FLAG_IDENTIFIED);
1628
1629 if (object *pl = tmp->visible_to ())
1630 esrv_update_item (UPD_FLAGS | UPD_NAME, pl, tmp);
1631 }
1632
1633 change_exp (op, exp_gain, skill_ob->skill, 0);
1634 SET_FLAG (tmp, FLAG_NO_SKILL_IDENT); /* so no more xp gained from this book */
1635 }
1636}
1637
1638/**
1639 * Handles the applying of a skill scroll, calling learn_skill straight.
1640 * op is the person learning the skill, tmp is the skill scroll object
1641 */
1642static void
1643apply_skillscroll (object *op, object *tmp)
1644{
1645 switch (learn_skill (op, tmp))
1646 {
1647 case 0:
1648 op->play_sound (sound_find ("generic_fail"));
1649 op->failmsg (format ("You already possess the knowledge held within the %s.", query_name (tmp)));
1650 break;
1651
1652 case 1:
1653 tmp->decrease ();
1654 op->play_sound (sound_find ("skill_learn"));
1655 op->statusmsg (format ("You succeed in learning %s", &tmp->skill));
1656 break;
1657
1658 default:
1659 tmp->decrease ();
1660 op->play_sound (sound_find ("generic_fail"));
1661 op->failmsg (format ("You fail to learn the knowledge of the %s.\n", query_name (tmp)));
1662 break;
1663 }
1664}
1665
1666/**
1667 * Actually makes op learn spell.
1668 * Informs player of what happens.
1669 */
1670void
1671do_learn_spell (object *op, object *spell, int special_prayer)
1672{
1673 object *tmp;
1674
1675 if (op->type != PLAYER)
1676 {
1677 LOG (llevError, "BUG: do_learn_spell(): not a player\n");
1678 return;
1679 }
1680
1681 /* Upgrade special prayers to normal prayers */
1682 if ((tmp = check_spell_known (op, spell->name)) != NULL)
1683 {
1684 if (special_prayer && !QUERY_FLAG (tmp, FLAG_STARTEQUIP))
1685 {
1686 LOG (llevError, "BUG: do_learn_spell(): spell already known, but not marked as startequip\n");
1687 return;
1688 }
1689 return;
1690 }
1691
1692 op->contr->play_sound (sound_find ("learn_spell"));
1693
1694 tmp = spell->clone ();
1695 insert_ob_in_ob (tmp, op);
1696
1697 if (special_prayer)
1698 SET_FLAG (tmp, FLAG_STARTEQUIP);
1699
1700 esrv_add_spells (op->contr, tmp);
1701}
1702
1703/**
1704 * Erases spell from player's inventory.
1705 */
1706void
1707do_forget_spell (object *op, const char *spell)
1708{
1709 object *spob;
1710
1711 if (op->type != PLAYER)
1712 {
1713 LOG (llevError, "BUG: do_forget_spell(): not a player\n");
1714 return;
1715 }
1716 if ((spob = check_spell_known (op, spell)) == NULL)
1717 {
1718 LOG (llevError, "BUG: do_forget_spell(): spell not known\n");
1719 return;
1720 }
1721
1722 op->failmsg (format ("You lose knowledge of %s.", spell));
1723 player_unready_range_ob (op->contr, spob);
1724 esrv_remove_spell (op->contr, spob);
1725 spob->destroy ();
1726}
1727
1728/**
1729 * Handles player applying a spellbook.
1730 * Checks whether player has knowledge of required skill, doesn't already know the spell,
1731 * stuff like that. Random learning failure too.
1732 */
1733static void
1734apply_spellbook (object *op, object *tmp)
1735{
1736 object *skop, *spell, *spell_skill;
1737
1738 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
1739 {
1740 op->failmsg ("You are unable to read while blind.");
1741 return;
1742 }
1743
1744 /* artifact_spellbooks have 'slaying' field point to a spell name,
1745 * instead of having their spell stored in stats.sp. These are
1746 * legacy spellbooks
1747 */
1748 if (tmp->slaying)
1749 {
1750 spell = arch_to_object (find_archetype_by_object_name (tmp->slaying));
1751 if (!spell)
1752 {
1753 op->failmsg (format ("The book's formula for %s is incomplete.", &tmp->slaying));
1754 return;
1755 }
1756 else
1757 insert_ob_in_ob (spell, tmp);
1758
1759 tmp->slaying = 0;
1760 }
1761
1762 skop = find_skill_by_name (op, tmp->skill);
1763
1764 /* need a literacy skill to learn spells. Also, having a literacy level
1765 * lower than the spell will make learning the spell more difficult */
1766 if (!skop)
1767 {
1768 op->failmsg (format ("You can't read! Your attempt fails. H<You lack the %s skill.>", &tmp->skill));
1769 return;
1770 }
1771
1772 spell = tmp->inv;
1773
1774 if (!spell)
1775 {
1776 LOG (llevError, "apply_spellbook: Book %s has no spell in it!\n", &tmp->name);
1777 op->failmsg ("The spellbook symbols make no sense. This is a bug, please report!");
1778 return;
1779 }
1780
1781 if (skop->level < int (sqrtf (spell->level) * 1.5f))
1782 {
1783 op->failmsg (format ("You are unable to decipher the strange symbols. H<Your %s level is too low.>", &tmp->skill));
1784 return;
1785 }
1786
1787 op->statusmsg (format ("The spellbook contains the %s level spell %s.", get_levelnumber (spell->level), &spell->name));
1788
1789 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
1790 identify (tmp);
1791
1792 /* I removed the check for special_prayer_mark here - it didn't make
1793 * a lot of sense - special prayers are not found in spellbooks, and
1794 * if the player doesn't know the spell, doesn't make a lot of sense that
1795 * they would have a special prayer mark.
1796 */
1797 if (check_spell_known (op, spell->name))
1798 {
1799 op->statusmsg ("You already know that spell. H<It makes no sense to learn spells twice, and would only waste the spellbook.>\n");
1800 return;
1801 }
1802
1803 if (spell->skill)
1804 {
1805 spell_skill = find_skill_by_name (op, spell->skill);
1806
1807 if (!spell_skill)
1808 {
1809 op->failmsg (format ("You lack the skill %s to use this spell.", &spell->skill));
1810 return;
1811 }
1812
1813 if (spell_skill->level < spell->level)
1814 {
1815 op->failmsg (format ("You need to be level %d in %s to learn this spell.", spell->level, &spell->skill));
1816 return;
1817 }
1818 }
1819
1820 /* Logic as follows
1821 *
1822 * 1- MU spells use Int to learn, Cleric spells use Wisdom
1823 *
1824 * 2- The learner's skill level in literacy adjusts the chance to learn
1825 * a spell.
1826 *
1827 * 3 -Automatically fail to learn if you read while confused
1828 *
1829 * Overall, chances are the same but a player will find having a high
1830 * literacy rate very useful! -b.t.
1831 */
1832 if (QUERY_FLAG (op, FLAG_CONFUSED))
1833 {
1834 op->failmsg ("In your confused state you flub the wording of the text!");
1835 scroll_failure (op, 0 - random_roll (0, spell->level, op, PREFER_LOW), MAX (spell->stats.sp, spell->stats.grace));
1836 }
1837 else if (QUERY_FLAG (tmp, FLAG_STARTEQUIP) ||
1838 (random_roll (0, 100, op, PREFER_LOW) - (5 * skop->level)) < learn_spell[spell->stats.grace ? op->stats.Wis : op->stats.Int])
1839 {
1840 op->statusmsg ("You succeed in learning the spell!", NDI_GREEN);
1841 do_learn_spell (op, spell, 0);
1842
1843 /* xp gain to literacy for spell learning */
1844 if (!QUERY_FLAG (tmp, FLAG_STARTEQUIP))
1845 change_exp (op, calc_skill_exp (op, tmp, skop), skop->skill, 0);
1846 }
1847 else
1848 {
1849 op->contr->play_sound (sound_find ("fumble_spell"));
1850 op->failmsg ("You fail to learn the spell. H<Wis (priests) or Int (wizards) governs the chance of learning a prayer or spell.>\n");
1851 }
1852
1853 tmp->decrease ();
1854}
1855
1856/**
1857 * Handles applying a spell scroll.
1858 */
1859void
1860apply_scroll (object *op, object *tmp, int dir)
1861{
1862 object *skop;
1863
1864 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
1865 {
1866 op->failmsg ("You are unable to read while blind.");
1867 return;
1868 }
1869
1870 if (!tmp->inv || tmp->inv->type != SPELL)
1871 {
1872 op->failmsg ("The scroll just doesn't make sense! H<...and never will make sense.>");
1873 return;
1874 }
1875
1876 if (op->type == PLAYER)
1877 {
1878 /* players need a literacy skill to read stuff! */
1879 int exp_gain = 0;
1880
1881 /* hard code literacy - tmp->skill points to where the exp
1882 * should go for anything killed by the spell.
1883 */
1884 skop = find_skill_by_name (op, skill_names[SK_LITERACY]);
1885
1886 if (!skop)
1887 {
1888 op->failmsg (format ("You are unable to decipher the strange symbols. H<You lack the %s skill.>", &skill_names[SK_LITERACY]));
1889 return;
1890 }
1891
1892 if ((exp_gain = calc_skill_exp (op, tmp, skop)))
1893 change_exp (op, exp_gain, skop->skill, 0);
1894 }
1895
1896 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
1897 identify (tmp);
1898
1899 op->statusmsg (format ("The scroll of %s turns to dust.", &tmp->inv->name));
1900
1901 cast_spell (op, tmp, dir, tmp->inv, NULL);
1902 tmp->decrease ();
1903}
1904
1905/**
1906 * Applies a treasure object - by default, chest. op
1907 * is the person doing the applying, tmp is the treasure
1908 * chest.
1909 */
1910static void
1911apply_treasure (object *op, object *tmp)
1912{
1913 /* Nice side effect of this treasure creation method is that the treasure
1914 * for the chest is done when the chest is created, and put into the chest
1915 * inventory. So that when the chest burns up, the items still exist. Also
1916 * prevents people from moving chests to more difficult maps to get better
1917 * treasure
1918 */
1919 object *treas = tmp->inv;
1920
1921 if (!treas)
1922 {
1923 op->statusmsg ("The chest was empty.");
1924 tmp->decrease ();
1925 return;
1926 }
1927
1928 while (tmp->inv)
1929 {
1930 treas = tmp->inv;
1931 treas->remove ();
1932
1933 treas->x = op->x;
1934 treas->y = op->y;
1935 treas = insert_ob_in_map (treas, op->map, op, INS_BELOW_ORIGINATOR);
1936
1937 if (treas && (treas->type == RUNE || treas->type == TRAP) && treas->level && QUERY_FLAG (op, FLAG_ALIVE))
1938 spring_trap (treas, op);
1939
1940 /* If either player or container was destroyed, no need to do
1941 * further processing. I think this should be enclused with
1942 * spring trap above, as I don't think there is otherwise
1943 * any way for the treasure chest or player to get killed.
1944 */
1945 if (op->destroyed () || tmp->destroyed ())
1946 break;
1947 }
1948
1949 if (!tmp->destroyed () && !tmp->inv)
1950 tmp->decrease (true);
1951}
1952
1953/**
1954 * op eats food.
1955 * If player, takes care of messages and dragon special food.
1956 */
1957static void
1958apply_food (object *op, object *tmp)
1959{
1960 int capacity_remaining;
1961
1962 if (op->type != PLAYER)
1963 op->stats.hp = op->stats.maxhp;
1964 else
1965 {
1966 /* check if this is a dragon (player), eating some flesh */
1967 if (tmp->type == FLESH && is_dragon_pl (op) && dragon_eat_flesh (op, tmp))
1968 ;
1969 else
1970 {
1971 /* usual case - no dragon meal: */
1972 if (op->stats.food + tmp->stats.food > 999)
1973 {
1974 if (tmp->type == FOOD || tmp->type == FLESH)
1975 op->failmsg ("You feel full, but what a waste of food!");
1976 else
1977 op->statusmsg ("Most of the drink goes down your face not your throat!");
1978 }
1979
1980 tmp->play_sound (
1981 tmp->sound
1982 ? tmp->sound
1983 : tmp->type == DRINK
1984 ? sound_find ("eat_drink")
1985 : sound_find ("eat_food")
1986 );
1987
1988 if (!QUERY_FLAG (tmp, FLAG_CURSED))
1989 {
1990 const char *buf;
1991
1992 if (!is_dragon_pl (op))
1993 {
1994 /* eating message for normal players */
1995 if (tmp->type == DRINK)
1996 buf = format ("Ahhh...that %s tasted good.", &tmp->name);
1997 else
1998 buf = format ("The %s tasted %s", &tmp->name, tmp->type == FLESH ? "terrible!" : "good.");
1999 }
2000 else
2001 /* eating message for dragon players */
2002 buf = format ("The %s tasted terrible!", &tmp->name);
2003
2004 op->statusmsg (buf);
2005
2006 capacity_remaining = 999 - op->stats.food;
2007 op->stats.food += tmp->stats.food;
2008 if (capacity_remaining < tmp->stats.food)
2009 op->stats.hp += capacity_remaining / 50;
2010 else
2011 op->stats.hp += tmp->stats.food / 50;
2012
2013 if (op->stats.hp > op->stats.maxhp)
2014 op->stats.hp = op->stats.maxhp;
2015 if (op->stats.food > 999)
2016 op->stats.food = 999;
2017 }
2018
2019 /* special food hack -b.t. */
2020 if (tmp->title || QUERY_FLAG (tmp, FLAG_CURSED))
2021 eat_special_food (op, tmp);
2022 }
2023 }
2024
2025 handle_apply_yield (tmp);
2026 tmp->decrease ();
2027}
2028
2029/**
2030 * A dragon is eating some flesh. If the flesh contains resistances,
2031 * there is a chance for the dragon's skin to get improved.
2032 *
2033 * attributes:
2034 * object *op the object (dragon player) eating the flesh
2035 * object *meal the flesh item, getting chewed in dragon's mouth
2036 * return:
2037 * int 1 if eating successful, 0 if it doesn't work
2038 */
2039int
2040dragon_eat_flesh (object *op, object *meal)
2041{
2042 object *skin = NULL; /* pointer to dragon skin force */
2043 object *abil = NULL; /* pointer to dragon ability force */
2044 object *tmp = NULL; /* tmp. object */
2045
2046 double chance; /* improvement-chance of one resistance type */
2047 double totalchance = 1; /* total chance of gaining one resistance */
2048 double bonus = 0; /* level bonus (improvement is easier at lowlevel) */
2049 double mbonus = 0; /* monster bonus */
2050 int atnr_winner[NROFATTACKS]; /* winning candidates for resistance improvement */
2051 int winners = 0; /* number of winners */
2052 int i; /* index */
2053
2054 /* let's make sure and doublecheck the parameters */
2055 if (meal->type != FLESH || !is_dragon_pl (op))
2056 return 0;
2057
2058 /* now grab the 'dragon_skin'- and 'dragon_ability'-forces
2059 from the player's inventory */
2060 for (tmp = op->inv; tmp; tmp = tmp->below)
2061 if (tmp->type == FORCE)
2062 if (tmp->arch->archname == shstr_dragon_skin_force)
2063 skin = tmp;
2064 else if (tmp->arch->archname == shstr_dragon_ability_force)
2065 abil = tmp;
2066
2067 /* if either skin or ability are missing, this is an old player
2068 which is not to be considered a dragon -> bail out */
2069 if (skin == NULL || abil == NULL)
2070 return 0;
2071
2072 /* now start by filling stomache and health, according to food-value */
2073 if ((999 - op->stats.food) < meal->stats.food)
2074 op->stats.hp += (999 - op->stats.food) / 50;
2075 else
2076 op->stats.hp += meal->stats.food / 50;
2077
2078 if (op->stats.hp > op->stats.maxhp)
2079 op->stats.hp = op->stats.maxhp;
2080
2081 op->stats.food = MIN (999, op->stats.food + meal->stats.food);
2082
2083 /*LOG(llevDebug, "-> player: %d, flesh: %d\n", op->level, meal->level); */
2084
2085 /* on to the interesting part: chances for adding resistance */
2086 for (i = 0; i < NROFATTACKS; i++)
2087 {
2088 if (meal->resist[i] > 0 && atnr_is_dragon_enabled (i))
2089 {
2090 /* got positive resistance, now calculate improvement chance (0-100) */
2091
2092 /* this bonus makes resistance increase easier at lower levels */
2093 bonus = (settings.max_level - op->level) * 30. / ((double) settings.max_level);
2094 if (i == abil->stats.exp)
2095 bonus += 5; /* additional bonus for resistance of ability-focus */
2096
2097 /* monster bonus increases with level, because high-level
2098 flesh is too rare */
2099 mbonus = op->level * 20. / ((double) settings.max_level);
2100
2101 chance = (((double) MIN (op->level + bonus, meal->level + bonus + mbonus)) * 100. /
2102 ((double) settings.max_level)) - skin->resist[i];
2103
2104 if (chance >= 0.)
2105 chance += 1.;
2106 else
2107 chance = (chance < -12) ? 0. : 1. / pow (2., -chance);
2108
2109 /* chance is proportional to amount of resistance (max. 50) */
2110 chance *= ((double) (MIN (meal->resist[i], 50))) / 50.;
2111
2112 /* doubled chance for resistance of ability-focus */
2113 if (i == abil->stats.exp)
2114 chance = MIN (100., chance * 2.);
2115
2116 /* now make the throw and save all winners (Don't insert luck bonus here!) */
2117 if (rndm (10000) < (unsigned int) (chance * 100))
2118 {
2119 atnr_winner[winners] = i;
2120 winners++;
2121 }
2122
2123 if (chance >= 0.01)
2124 totalchance *= 1 - chance / 100;
2125
2126 /*LOG(llevDebug, " %s: bonus %.1f, chance %.1f\n", attacks[i], bonus, chance); */
2127 }
2128 }
2129
2130 /* inverse totalchance as until now we have the failure-chance */
2131 totalchance = 100 - totalchance * 100;
2132
2133 /* print message according to totalchance */
2134 const char *buf;
2135 if (totalchance > 50.)
2136 buf = format ("Hmm! The %s tasted delicious!", &meal->name);
2137 else if (totalchance > 10.)
2138 buf = format ("The %s tasted very good.", &meal->name);
2139 else if (totalchance > 1.)
2140 buf = format ("The %s tasted good.", &meal->name);
2141 else if (totalchance > 0.1)
2142 buf = format ("The %s tasted bland.", &meal->name);
2143 else if (totalchance >= 0.01)
2144 buf = format ("The %s had a boring taste.", &meal->name);
2145 else if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat))
2146 buf = format ("The %s tasted strange.", &meal->name);
2147 else
2148 buf = format ("The %s had no taste.", &meal->name);
2149
2150 op->statusmsg (buf);
2151
2152 /* now choose a winner if we have any */
2153 i = -1;
2154 if (winners > 0)
2155 i = atnr_winner [rndm (winners)];
2156
2157 if (i >= 0 && i < NROFATTACKS && skin->resist[i] < 95)
2158 {
2159 /* resistance increased! */
2160 skin->resist[i]++;
2161 op->update_stats ();
2162
2163 op->statusmsg (format ("Your skin is now more resistant to %s!", change_resist_msg[i]));
2164 }
2165
2166 /* if this flesh contains a new ability focus, we mark it
2167 into the ability_force and it will take effect on next level */
2168 if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat) && meal->last_eat != abil->last_eat)
2169 {
2170 abil->last_eat = meal->last_eat; /* write: last_eat <new attnr focus> */
2171
2172 if (meal->last_eat != abil->stats.exp)
2173 op->statusmsg (format (
2174 "Your metabolism prepares to focus on %s!\n"
2175 "The change will happen at level %d.",
2176 change_resist_msg[meal->last_eat],
2177 abil->level + 1
2178 ));
2179 else
2180 {
2181 op->statusmsg (format ("Your metabolism will continue to focus on %s.", change_resist_msg[meal->last_eat]));
2182 abil->last_eat = 0;
2183 }
2184 }
2185
2186 return 1;
2187}
2188
2189/**
2190 * Handles applying an improve armor scroll.
2191 * Does some sanity checks, then calls improve_armour.
2192 */
2193static void
2194apply_armour_improver (object *op, object *tmp)
2195{
2196 object *armor;
2197
2198 if (!QUERY_FLAG (op, FLAG_WIZCAST) && (get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_NO_MAGIC))
2199 {
2200 op->failmsg ("Something blocks the magic of the scroll. H<This area prevents magic effects.>");
2201 return;
2202 }
2203
2204 armor = find_marked_object (op);
2205
2206 if (!armor)
2207 {
2208 op->failmsg ("You need to mark an armor object. Use the right mouse button popup or the mark command to do this.");
2209 return;
2210 }
2211
2212 if (armor->type != ARMOUR
2213 && armor->type != CLOAK
2214 && armor->type != BOOTS && armor->type != GLOVES && armor->type != BRACERS && armor->type != SHIELD && armor->type != HELMET)
2215 {
2216 op->failmsg ("Your marked item is not armour!\n");
2217 return;
2218 }
2219
2220 op->statusmsg ("Applying armour enchantment.");
2221 improve_armour (op, tmp, armor);
2222}
2223
2224void
2225apply_poison (object *op, object *tmp)
2226{
2227 // need to do it now when it is still on the map
2228 handle_apply_yield (tmp);
2229
2230 object *poison = tmp->split (1);
2231
2232 if (op->type == PLAYER)
2233 {
2234 op->contr->play_sound (sound_find ("drink_poison"));
2235 op->failmsg ("Yech! That tasted poisonous!");
2236 op->contr->killer = poison;
2237 }
2238
2239 if (poison->stats.hp > 0)
2240 {
2241 LOG (llevDebug, "Trying to poison player/monster for %d hp\n", poison->stats.hp);
2242 hit_player (op, poison->stats.hp, tmp, AT_POISON, 1);
2243 }
2244
2245 op->stats.food -= op->stats.food / 4;
2246 poison->destroy ();
2247}
2248
2249/**
2250 * This function return true if the exit is not a 2 ways one or it is 2 ways, valid exit.
2251 * A valid 2 way exit means:
2252 * -You can come back (there is another exit at the other side)
2253 * -You are
2254 * ° the owner of the exit
2255 * ° or in the same party as the owner
2256 *
2257 * Note: a owner in a 2 way exit is saved as the owner's name
2258 * in the field exit->name cause the field exit->owner doesn't
2259 * survive in the swapping (in fact the whole exit doesn't survive).
2260 */
2261int
2262is_legal_2ways_exit (object *op, object *exit)
2263{
2264 if (exit->stats.exp != 1)
2265 return 1; /*This is not a 2 way, so it is legal */
2266
2267#if 0 //TODO
2268 if (!has_been_loaded (EXIT_PATH (exit)) && exit->race)
2269 return 0; /* This is a reset town portal */
2270#endif
2271
2272 LOG (llevError | logBacktrace, "sync map load due to %s\n", exit->debug_desc ());
2273
2274 maptile *exitmap = maptile::find_sync (EXIT_PATH (exit), exit->map);
2275
2276 if (exitmap)
2277 {
2278 exitmap->load_sync ();
2279
2280 object *tmp = exitmap->at (EXIT_X (exit), EXIT_Y (exit)).bot;
2281
2282 if (!tmp)
2283 return 0;
2284
2285 for (; tmp; tmp = tmp->above)
2286 {
2287 if (tmp->type != EXIT)
2288 continue; /*Not an exit */
2289
2290 if (!EXIT_PATH (tmp))
2291 continue; /*Not a valid exit */
2292
2293 if ((EXIT_X (tmp) != exit->x) || (EXIT_Y (tmp) != exit->y))
2294 continue; /*Not in the same place */
2295
2296 if (exit->map->path != EXIT_PATH (tmp))
2297 continue; /*Not in the same map */
2298
2299 /* From here we have found the exit is valid. However we do
2300 * here the check of the exit owner. It is important for the
2301 * town portals to prevent strangers from visiting your appartments
2302 */
2303 if (!exit->race)
2304 return 1; /*No owner, free for all! */
2305
2306 object *exit_owner = 0;
2307
2308 for_all_players (pp)
2309 {
2310 if (!pp->ob)
2311 continue;
2312
2313 if (pp->ob->name != exit->race)
2314 continue;
2315
2316 exit_owner = pp->ob; /*We found a player which correspond to the player name */
2317 break;
2318 }
2319
2320 if (!exit_owner)
2321 return 0; /* No more owner */
2322
2323 if (exit_owner->contr == op->contr)
2324 return 1; /*It is your exit */
2325
2326 if (exit_owner && /*There is a owner */
2327 (op->contr) && /*A player tries to pass */
2328 ((exit_owner->contr->party == NULL) || /*No pass if controller has no party */
2329 (exit_owner->contr->party != op->contr->party))) /* Or not the same as op */
2330 return 0;
2331
2332 return 1;
2333 }
2334 }
2335
2336 return 0;
2337}
2338
2339/**
2340 * This function will try to apply a lighter and in case no lighter
2341 * is specified it will try to find a lighter in the players inventory,
2342 * and inform him about this requirement.
2343 *
2344 * who - the player
2345 * op - the item we want to light
2346 * ligher - the lighter or 0 if a lighter has yet to be found
2347 */
2348object *auto_apply_lighter (object *who, object *op, object *lighter)
2349{
2350 if (lighter == 0)
2351 {
2352 for (object *tmp = who->inv; tmp; tmp = tmp->below)
2353 {
2354 if (tmp->type == LIGHTER)
2355 {
2356 lighter = tmp;
2357 break;
2358 }
2359 }
2360
2361 if (!lighter)
2362 {
2363 who->failmsg (format (
2364 "You can't light up the %s with your bare hands! "
2365 "H<You need a lighter in your inventory, for example a flint and steel.>",
2366 &op->name));
2367 return 0;
2368 }
2369 }
2370
2371 // last_eat == 0 means the lighter is not being used up!
2372 if (lighter->last_eat && lighter->stats.food)
2373 {
2374 /* lighter gets used up */
2375 lighter = lighter->split ();
2376 lighter->stats.food--;
2377 who->insert (lighter);
2378 }
2379 else if (lighter->last_eat)
2380 {
2381 /* no charges left in lighter */
2382 who->failmsg (format (
2383 "You attempt to light the %s with a used up %s.",
2384 &op->name, &lighter->name));
2385 return 0;
2386 }
2387
2388 return lighter;
2389}
2390
2391/**
2392 * Designed primarily to light torches/lanterns/etc.
2393 * Also burns up burnable material too. First object in the inventory is
2394 * the selected object to "burn". -b.t.
2395 */
2396void
2397apply_lighter (object *who, object *lighter)
2398{
2399 object *item;
2400 int is_player_env = 0;
2401
2402 item = find_marked_object (who);
2403 if (item)
2404 {
2405 if (!auto_apply_lighter (who, 0, lighter))
2406 return;
2407
2408 /* Perhaps we should split what we are trying to light on fire?
2409 * I can't see many times when you would want to light multiple
2410 * objects at once.
2411 */
2412
2413 save_throw_object (item, AT_FIRE, who);
2414
2415 if (item->destroyed ()
2416 || ((item->type == LAMP || item->type == TORCH)
2417 && item->glow_radius > 0))
2418 who->statusmsg (format (
2419 "You light the %s with the %s.",
2420 &item->name, &lighter->name));
2421 else
2422 who->failmsg (format (
2423 "You attempt to light the %s with the %s and fail.",
2424 &item->name, &lighter->name));
2425 }
2426 else
2427 who->failmsg ("You need to mark a lightable object.");
2428}
2429
2430/**
2431 * This function generates a cursed effect for cursed lamps and torches.
2432 */
2433void player_apply_lamp_cursed_effect (object *who, object *op)
2434{
2435 if (op->level)
2436 {
2437 who->failmsg (format (
2438 "The %s was cursed, it explodes in a big fireball!",
2439 &op->name));
2440 create_exploding_ball_at (who, op->level);
2441 }
2442 else
2443 {
2444 who->failmsg (format (
2445 "The %s was cursed, it crumbles to dust, at least it didn't explode.!",
2446 &op->name));
2447 }
2448
2449 op->destroy ();
2450}
2451
2452/**
2453 * Apply for players and lamps
2454 *
2455 * who - the player
2456 * op - the lamp
2457 */
2458void player_apply_lamp (object *who, object *op)
2459{
2460 bool switch_on = op->glow_radius ? false : true;
2461
2462 if (switch_on)
2463 {
2464 object *lighter = 0;
2465
2466 if (op->flag [FLAG_IS_LIGHTABLE]
2467 && !(lighter = auto_apply_lighter (who, op, 0)))
2468 return;
2469
2470 if (op->stats.food < 1)
2471 {
2472 if (op->type == LAMP)
2473 who->failmsg (format (
2474 "The %s is out of fuel! "
2475 "H<Lamps and similar items need fuel. They cannot be refilled.>",
2476 &op->name));
2477 else
2478 who->failmsg (format (
2479 "The %s is burnt out! "
2480 "H<Torches and similar items burn out and become worthless.>",
2481 &op->name));
2482 return;
2483 }
2484
2485 if (op->flag [FLAG_CURSED])
2486 {
2487 player_apply_lamp_cursed_effect (who, op);
2488 return;
2489 }
2490
2491 if (lighter)
2492 who->statusmsg (format (
2493 "You light up the %s with the %s.", &op->name, &lighter->name));
2494 else
2495 who->statusmsg (format ("You light up the %s.", &op->name));
2496 }
2497 else
2498 {
2499 if (op->flag [FLAG_CURSED])
2500 {
2501 player_apply_lamp_cursed_effect (who, op);
2502 return;
2503 }
2504
2505 if (op->type == TORCH)
2506 {
2507 if (!op->flag [FLAG_IS_LIGHTABLE])
2508 {
2509 who->statusmsg (format (
2510 "You put out the %s. "
2511 "H<The %s can't be used anymore, as it can't be lighted up again.>",
2512 &op->name, &op->name));
2513 }
2514 else
2515 who->statusmsg (format (
2516 "You put out the %s."
2517 "H<Torches wear out if you put them out.>",
2518 &op->name));
2519 }
2520 else
2521 who->statusmsg (format ("You turn off the %s.", &op->name));
2522 }
2523
2524 apply_lamp (op, switch_on);
2525}
2526
2527void get_animation_from_arch (object *op, arch_ptr a)
2528{
2529 op->animation_id = a->animation_id;
2530 op->flag [FLAG_IS_TURNABLE] = a->flag [FLAG_IS_TURNABLE];
2531 op->flag [FLAG_ANIMATE] = a->flag [FLAG_ANIMATE];
2532 op->anim_speed = a->anim_speed;
2533 op->last_anim = 0;
2534 op->state = 0;
2535 op->face = a->face;
2536
2537 if (NUM_ANIMATIONS(op) > 1)
2538 {
2539 SET_ANIMATION(op, 0);
2540 animate_object (op, op->direction);
2541 }
2542 else
2543 update_object (op, UP_OBJ_FACE);
2544}
2545
2546/**
2547 * Apply for LAMPs and TORCHes.
2548 *
2549 * op - the lamp
2550 * switch_on - a flag which says whether the lamp should be switched on or off
2551 */
2552void apply_lamp (object *op, bool switch_on)
2553{
2554 op->set_glow_radius (switch_on ? op->range : 0);
2555 op->set_speed (switch_on ? op->arch->speed : 0);
2556
2557 // torches wear out if you put them out
2558 if (op->type == TORCH && !switch_on)
2559 {
2560 if (op->flag [FLAG_IS_LIGHTABLE])
2561 {
2562 op->stats.food -= (double) op->arch->stats.food / 15;
2563 if (op->stats.food < 0)
2564 op->stats.food = 0;
2565 }
2566 else
2567 op->stats.food = 0;
2568 }
2569
2570 // lamps and torched get worthless when used up
2571 if (op->stats.food <= 0)
2572 op->value = 0;
2573
2574 // FIXME: This is a hack to make the more sane torches and lamps
2575 // still animated ;-/
2576 if (op->other_arch)
2577 get_animation_from_arch (op, switch_on ? op->other_arch : op->arch);
2578
2579 if (object *pl = op->visible_to ())
2580 esrv_update_item (UPD_ANIM | UPD_FACE | UPD_NAME, pl, op);
2581}
2582
2583/**
2584 * Main apply handler.
2585 *
2586 * Checks for unpaid items before applying.
2587 *
2588 * Return value:
2589 * 0: player or monster can't apply objects of that type
2590 * 1: has been applied, or there was an error applying the object
2591 * 2: objects of that type can't be applied if not in inventory
2592 *
2593 * who is the object that is causing object to be applied, op is the object
2594 * being applied.
2595 *
2596 * aflag is special (always apply/unapply) flags. Nothing is done with
2597 * them in this function - they are passed to apply_special
2598 */
2599int
2600manual_apply (object *who, object *op, int aflag)
2601{
2602 op = op->head_ ();
2603
2604 if (QUERY_FLAG (op, FLAG_UNPAID) && !QUERY_FLAG (op, FLAG_APPLIED))
2605 {
2606 if (who->type == PLAYER)
2607 {
2608 examine (who, op);
2609 //who->failmsg ("You should pay for it first! H<You cannot use items marked as unpaid.>");//TODO remove
2610 return 1;
2611 }
2612 else
2613 return 0; /* monsters just skip unpaid items */
2614 }
2615
2616 if (INVOKE_OBJECT (APPLY, op, ARG_OBJECT (who)))
2617 return RESULT_INT (0);
2618
2619 switch (op->type)
2620 {
2621 case CF_HANDLE:
2622 who->play_sound (sound_find ("turn_handle"));
2623 who->statusmsg ("You turn the handle.");
2624 op->value = op->value ? 0 : 1;
2625 SET_ANIMATION (op, op->value);
2626 update_object (op, UP_OBJ_FACE);
2627 push_button (op, who);
2628 return 1;
2629
2630 case TRIGGER:
2631 if (check_trigger (op, who))
2632 {
2633 who->statusmsg ("You turn the handle.");
2634 who->play_sound (sound_find ("turn_handle"));
2635 }
2636 else
2637 who->failmsg ("The handle doesn't move.");
2638
2639 return 1;
2640
2641 case EXIT:
2642 if (who->type != PLAYER)
2643 return 0;
2644
2645 if (!EXIT_PATH (op) || !is_legal_2ways_exit (who, op))
2646 who->failmsg (format ("The %s is closed.", query_name (op)));
2647 else
2648 {
2649 /* Don't display messages for random maps. */
2650 if (op->msg && !EXIT_PATH (op).starts_with ("/!"))
2651 who->statusmsg (op->msg, NDI_NAVY);
2652
2653 who->enter_exit (op);
2654 }
2655
2656 return 1;
2657
2658 case INSCRIBABLE:
2659 who->statusmsg (op->msg);
2660 // maybe show a spell menu to chose from or something like that
2661 return 1;
2662
2663 case SIGN:
2664 apply_sign (who, op, 0);
2665 return 1;
2666
2667 case BOOK:
2668 if (who->type == PLAYER)
2669 {
2670 apply_book (who, op);
2671 return 1;
2672 }
2673 else
2674 return 0;
2675
2676 case SKILLSCROLL:
2677 if (who->type == PLAYER)
2678 {
2679 apply_skillscroll (who, op);
2680 return 1;
2681 }
2682 else
2683 return 0;
2684
2685 case SPELLBOOK:
2686 if (who->type == PLAYER)
2687 {
2688 apply_spellbook (who, op);
2689 return 1;
2690 }
2691 else
2692 return 0;
2693
2694 case SCROLL:
2695 apply_scroll (who, op, 0);
2696 return 1;
2697
2698 case POTION:
2699 apply_potion (who, op);
2700 return 1;
2701
2702 /* Eneq(@csd.uu.se): Handle apply on containers. */
2703 //TODO: remove, as it is unsed?
2704 case CLOSE_CON:
2705 apply_container (who, op->env);
2706 return 1;
2707
2708 case CONTAINER:
2709 apply_container (who, op);
2710 return 1;
2711
2712 case TREASURE:
2713 if (who->type == PLAYER)
2714 {
2715 apply_treasure (who, op);
2716 return 1;
2717 }
2718 else
2719 return 0;
2720
2721 case LAMP:
2722 case TORCH:
2723 player_apply_lamp (who, op);
2724 return 1;
2725
2726 case WEAPON:
2727 case ARMOUR:
2728 case BOOTS:
2729 case GLOVES:
2730 case AMULET:
2731 case GIRDLE:
2732 case BRACERS:
2733 case SHIELD:
2734 case HELMET:
2735 case RING:
2736 case CLOAK:
2737 case WAND:
2738 case ROD:
2739 case HORN:
2740 case SKILL:
2741 case BOW:
2742 case BUILDER:
2743 case SKILL_TOOL:
2744 if (op->env != who)
2745 return 2; /* not in inventory */
2746
2747 apply_special (who, op, aflag);
2748 return 1;
2749
2750 case DRINK:
2751 case FOOD:
2752 case FLESH:
2753 apply_food (who, op);
2754 return 1;
2755
2756 case POISON:
2757 apply_poison (who, op);
2758 return 1;
2759
2760 case SAVEBED:
2761 return 1;
2762
2763 case ARMOUR_IMPROVER:
2764 if (who->type == PLAYER)
2765 {
2766 apply_armour_improver (who, op);
2767 return 1;
2768 }
2769 else
2770 return 0;
2771
2772 case WEAPON_IMPROVER:
2773 check_improve_weapon (who, op);
2774 return 1;
2775
2776 case CLOCK:
2777 if (who->type == PLAYER)
2778 {
2779 char buf[MAX_BUF];
2780 timeofday_t tod;
2781
2782 get_tod (&tod);
2783 who->play_sound (sound_find ("sound_clock"));
2784 who->statusmsg (format (
2785 "It is %d minute%s past %d o'clock %s",
2786 tod.minute + 1, ((tod.minute + 1 < 2) ? "" : "s"),
2787 ((tod.hour % 14 == 0) ? 14 : ((tod.hour) % 14)), ((tod.hour >= 14) ? "pm" : "am")
2788 ));
2789 return 1;
2790 }
2791 else
2792 return 0;
2793
2794 case MENU:
2795 if (who->type == PLAYER)
2796 {
2797 shop_listing (op, who);
2798 return 1;
2799 }
2800 else
2801 return 0;
2802
2803 case POWER_CRYSTAL:
2804 apply_power_crystal (who, op); /* see egoitem.c */
2805 return 1;
2806
2807 case LIGHTER: /* for lighting torches/lanterns/etc */
2808 if (who->type == PLAYER)
2809 {
2810 apply_lighter (who, op);
2811 return 1;
2812 }
2813 else
2814 return 0;
2815
2816 case ITEM_TRANSFORMER:
2817 apply_item_transformer (who, op);
2818 return 1;
2819
2820 default:
2821 return 0;
2822 }
2823}
2824
2825/* quiet suppresses the "don't know how to apply" and "you must get it first"
2826 * messages as needed by player_apply_below(). But there can still be
2827 * "but you are floating high above the ground" messages.
2828 *
2829 * Same return value as apply() function.
2830 */
2831int
2832player_apply (object *pl, object *op, int aflag, int quiet)
2833{
2834 if (!op->env && (pl->move_type & MOVE_FLYING))
2835 {
2836 /* player is flying and applying object not in inventory */
2837 if (!QUERY_FLAG (pl, FLAG_WIZ) && !(op->move_type & MOVE_FLYING))
2838 {
2839 pl->failmsg ("But you are floating high above the ground! "
2840 "H<You have to stop levitating first, if you can, either by using your levitation skill, "
2841 "or waiting till the levitation effect wears off.>");
2842 return 0;
2843 }
2844 }
2845
2846 pl->contr->last_used = op;
2847
2848 int tmp = manual_apply (pl, op, aflag);
2849
2850 if (!quiet)
2851 {
2852 if (tmp == 0)
2853 pl->statusmsg (format ("I don't know how to apply the %s.", query_name (op)));
2854 else if (tmp == 2)
2855 pl->failmsg ("You must get it first!\n");
2856 }
2857
2858 return tmp;
2859}
2860
2861/**
2862 * player_apply_below attempts to apply the object 'below' the player.
2863 * If the player has an open container, we use that for below, otherwise
2864 * we use the ground.
2865 */
2866void
2867player_apply_below (object *pl)
2868{
2869 int floors = 0;
2870
2871 /* If using a container, set the starting item to be the top
2872 * item in the container. Otherwise, use the map.
2873 * This is perhaps more complicated. However, I want to make sure that
2874 * we don't use a corrupt pointer for the next object, so we get the
2875 * next object in the stack before applying. This is can only be a
2876 * problem if player_apply() has a bug in that it uses the object but does
2877 * not return a proper value.
2878 */
2879 for (object *next, *tmp = pl->container ? pl->container->inv : pl->below; tmp; tmp = next)
2880 {
2881 next = tmp->below;
2882
2883 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
2884 floors++;
2885 else if (floors > 0)
2886 return; /* process only floor objects after first floor object */
2887
2888 /* If it is visible, player can apply it. If it is applied by
2889 * person moving on it, also activate. Added code to make it
2890 * so that at least one of players movement types be that which
2891 * the item needs.
2892 */
2893 if (!tmp->invisible || (tmp->move_on & pl->move_type))
2894 if (player_apply (pl, tmp, 0, 1) == 1)
2895 return;
2896
2897 if (floors >= 2)
2898 return; /* process at most two floor objects */
2899 }
2900}
2901
2902/**
2903 * Unapplies specified item. 1030 * Unapplies specified item.
2904 * No check done on cursed/damned. 1031 * No check done on cursed/damned.
2905 * Break this out of apply_special - this is just done 1032 * Break this out of apply_special - this is just done
2906 * to keep the size of apply_special to a more managable size. 1033 * to keep the size of apply_special to a more managable size.
2907 */ 1034 */
2908static int 1035static bool
2909unapply_special (object *who, object *op, int aflags) 1036unapply_special (object *who, object *op, int aflags)
2910{ 1037{
2911 if (INVOKE_OBJECT (BE_UNREADY, op, ARG_OBJECT (who), ARG_INT (aflags)) 1038 if (INVOKE_OBJECT (BE_UNREADY, op, ARG_OBJECT (who), ARG_INT (aflags))
2912 || INVOKE_OBJECT (UNREADY, who, ARG_OBJECT (op), ARG_INT (aflags))) 1039 || INVOKE_OBJECT (UNREADY, who, ARG_OBJECT (op), ARG_INT (aflags)))
2913 return RESULT_INT (0); 1040 return RESULT_INT (0);
2914 1041
2915 CLEAR_FLAG (op, FLAG_APPLIED); 1042 if (who->current_weapon == op)
1043 who->current_weapon = 0;
1044
1045 op->flag [FLAG_APPLIED] = false;
2916 1046
2917 switch (op->type) 1047 switch (op->type)
2918 { 1048 {
2919 case SKILL_TOOL: 1049 case SKILL:
1050 if (player *pl = who->contr)
1051 if (op->invisible)
1052 pl->statusmsg (format ("You can no longer use the %s skill.", &op->skill));
1053 else
1054 pl->statusmsg (format ("You stop using the %s.", query_name (op)));
1055
1056 change_abil (who, op);
1057 who->flag [FLAG_READY_SKILL] = false;
1058 break;
1059
1060 case WEAPON:
1061 who->statusmsg (format ("You unwield %s.", query_name (op)));
1062 change_abil (who, op);
1063 who->flag [FLAG_READY_WEAPON] = false;
1064
2920 // unapplying a skill tool should also unapply the skill it governs 1065 // unapplying a weapon or skill tool should also unapply the skill it governs
2921 // but this is hard, as it shouldn't do so when the skill can 1066 // but this is hard, as it shouldn't do so when the skill can
2922 // be used for other reasons 1067 // be used for other reasons
2923 for (object *tmp = who->inv; tmp; tmp = tmp->below) 1068 //TODO: really?
2924 if (tmp->skill == op->skill 1069 if (who->chosen_skill)
2925 && tmp->type == SKILL 1070 if (!who->chosen_skill->flag [FLAG_CAN_USE_SKILL])
2926 && tmp->flag [FLAG_APPLIED]
2927 && !tmp->flag [FLAG_CAN_USE_SKILL])
2928 unapply_special (who, tmp, 0); 1071 unapply_special (who, who->chosen_skill, 0);
2929 1072
2930 change_abil (who, op);
2931 break; 1073 break;
2932 1074
1075 case RANGED:
1076 case BOW:
2933 case WEAPON: 1077 case WAND:
1078 case ROD:
1079 case HORN:
2934 if (player *pl = who->contr) 1080 if (player *pl = who->contr)
2935 if (op == pl->combat_ob)
2936 {
2937 pl->combat_ob = 0;
2938 who->change_weapon (pl->ranged_ob);
2939 }
2940
2941 who->statusmsg (format ("You unwield %s.", query_name (op)));
2942
2943 change_abil (who, op);
2944 CLEAR_FLAG (who, FLAG_READY_WEAPON);
2945 break;
2946
2947 case SKILL:
2948 if (who->contr)
2949 { 1081 {
2950 if (IS_COMBAT_SKILL (op->subtype)) 1082 who->statusmsg (format ("You unready %s.", query_name (op)));
2951 who->change_weapon (who->contr->combat_ob = 0); 1083 change_abil (who, op);
2952 else if (IS_RANGED_SKILL (op->subtype)) 1084 }
2953 who->change_weapon (who->contr->ranged_ob = 0); 1085 else
2954 1086 {
2955 if (op->invisible) 1087 if (op->type == BOW)
2956 who->statusmsg (format ("You can no longer use the skill: %s.", &op->skill)); 1088 op->flag [FLAG_READY_BOW ] = false;
2957 else 1089 else
2958 who->statusmsg (format ("You stop using the %s.", query_name (op))); 1090 op->flag [FLAG_READY_RANGE] = false;
2959 } 1091 }
2960 1092
2961 change_abil (who, op);
2962 CLEAR_FLAG (who, FLAG_READY_SKILL);
2963 break; 1093 break;
2964 1094
2965 case ARMOUR: 1095 case ARMOUR:
2966 case HELMET: 1096 case HELMET:
2967 case SHIELD: 1097 case SHIELD:
… …
2974 case CLOAK: 1104 case CLOAK:
2975 who->statusmsg (format ("You unwear %s.", query_name (op))); 1105 who->statusmsg (format ("You unwear %s.", query_name (op)));
2976 change_abil (who, op); 1106 change_abil (who, op);
2977 break; 1107 break;
2978 1108
1109 case SPELL:
2979 case BOW: 1110 case BUILDER:
2980 case WAND:
2981 case ROD:
2982 case HORN:
2983 if (player *pl = who->contr)
2984 {
2985 if (op == pl->ranged_ob)
2986 {
2987 pl->ranged_ob = 0;
2988 who->change_weapon (pl->combat_ob);
2989 }
2990
2991 who->statusmsg (format ("You unready %s.", query_name (op))); 1111 who->statusmsg (format ("You unready %s.", query_name (op)));
2992 }
2993 else
2994 {
2995 who->change_skill (0);
2996
2997 if (op->type == BOW)
2998 CLEAR_FLAG (who, FLAG_READY_BOW);
2999 else
3000 CLEAR_FLAG (who, FLAG_READY_RANGE);
3001 }
3002
3003 break; 1112 break;
3004 1113
3005 case BUILDER: 1114 //case SKILL_TOOL://TODO
3006 if (who->contr)
3007 who->statusmsg (format ("You unready %s.", query_name (op)));
3008 break;
3009
3010 default: 1115 default:
3011 who->statusmsg (format ("You unapply %s.", query_name (op))); 1116 who->statusmsg (format ("You unapply %s.", query_name (op)));
3012 break; 1117 break;
3013 } 1118 }
3014 1119
… …
3016 if (object *pl = op->visible_to ()) 1121 if (object *pl = op->visible_to ())
3017 esrv_send_item (pl, op); 1122 esrv_send_item (pl, op);
3018 1123
3019 who->update_stats (); 1124 who->update_stats ();
3020 1125
3021 return 0; 1126 return 1;
3022} 1127}
3023 1128
3024/** 1129/**
3025 * Returns the object that is using location 'loc'. 1130 * Returns the object that is using location 'loc'.
3026 * Note that 'start' is the first object to start examing - we 1131 * Note that 'start' is the first object to start examing - we
… …
3038static object * 1143static object *
3039get_next_item_from_body_location (int loc, object *start) 1144get_next_item_from_body_location (int loc, object *start)
3040{ 1145{
3041 for (object *tmp = start; tmp; tmp = tmp->below) 1146 for (object *tmp = start; tmp; tmp = tmp->below)
3042 if (tmp->flag [FLAG_APPLIED] 1147 if (tmp->flag [FLAG_APPLIED]
3043 && tmp->slot[loc].info 1148 && tmp->slot [loc].info
3044 && (!tmp->invisible || tmp->type == SKILL)) 1149 && (!tmp->invisible || tmp->type == SKILL || tmp->type == SPELL))
3045 return tmp; 1150 return tmp;
3046 1151
3047 return 0; 1152 return 0;
3048} 1153}
3049 1154
… …
3062#define CANNOT_REMOVE_CURSED \ 1167#define CANNOT_REMOVE_CURSED \
3063 "H<You cannot remove cursed or damned items, you first have to remove the curse. " \ 1168 "H<You cannot remove cursed or damned items, you first have to remove the curse. " \
3064 "Praying over an altar, scrolls of remove curse/damnation, " \ 1169 "Praying over an altar, scrolls of remove curse/damnation, " \
3065 "priests or even other players might help.>" 1170 "priests or even other players might help.>"
3066 1171
3067int 1172static bool
3068unapply_for_ob (object *who, object *op, int aflags) 1173unapply_for_ob (object *who, object *op, int aflags)
3069{ 1174{
3070 if (op->is_range ()) 1175 if (op->is_range ())
3071 for (object *tmp = who->inv; tmp; tmp = tmp->below) 1176 for (object *tmp = who->inv; tmp; tmp = tmp->below)
3072 if (QUERY_FLAG (tmp, FLAG_APPLIED) && tmp->is_range ()) 1177 if (tmp->flag [FLAG_APPLIED] && tmp->is_range ())
3073 if ((aflags & AP_IGNORE_CURSE) || (aflags & AP_PRINT) || (!QUERY_FLAG (tmp, FLAG_CURSED) && !QUERY_FLAG (tmp, FLAG_DAMNED))) 1178 if ((aflags & AP_IGNORE_CURSE) || (aflags & AP_PRINT) || (!tmp->flag [FLAG_CURSED] && !tmp->flag [FLAG_DAMNED]))
3074 { 1179 {
3075 if (aflags & AP_PRINT) 1180 if (aflags & AP_PRINT)
3076 who->failmsg (query_name (tmp)); 1181 who->failmsg (query_name (tmp));
3077 else 1182 else
3078 unapply_special (who, tmp, aflags); 1183 unapply_special (who, tmp, aflags);
… …
3081 { 1186 {
3082 /* In this case, we want to try and remove a cursed item. 1187 /* In this case, we want to try and remove a cursed item.
3083 * While we know it won't work, we want unapply_special to 1188 * While we know it won't work, we want unapply_special to
3084 * at least generate the message. 1189 * at least generate the message.
3085 */ 1190 */
3086 who->failmsg (format ("No matter how hard you try, you just can't remove the %s." CANNOT_REMOVE_CURSED, query_name (tmp))); 1191 who->failmsgf ("No matter how hard you try, you just can't remove the %s." CANNOT_REMOVE_CURSED, query_name (tmp));
3087 return 1; 1192 return 1;
3088 } 1193 }
3089 1194
3090 for (int i = 0; i < NUM_BODY_LOCATIONS; i++) 1195 for (int i = 0; i < NUM_BODY_LOCATIONS; i++)
3091 { 1196 {
… …
3111#endif 1216#endif
3112 return 1; 1217 return 1;
3113 } 1218 }
3114 1219
3115 /* If we are just printing, we don't care about cursed status */ 1220 /* If we are just printing, we don't care about cursed status */
3116 if ((aflags & AP_IGNORE_CURSE) || (aflags & AP_PRINT) || (!(QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED)))) 1221 if ((aflags & AP_IGNORE_CURSE) || (aflags & AP_PRINT) || (!(tmp->flag [FLAG_CURSED] || tmp->flag [FLAG_DAMNED])))
3117 { 1222 {
3118 if (aflags & AP_PRINT) 1223 if (aflags & AP_PRINT)
3119 who->failmsg (query_name (tmp)); 1224 who->failmsg (query_name (tmp));
3120 else 1225 else
3121 unapply_special (who, tmp, aflags); 1226 unapply_special (who, tmp, aflags);
… …
3125 /* Cursed item that we can't unequip - tell the player. 1230 /* Cursed item that we can't unequip - tell the player.
3126 * Note this could be annoying if this is just one of a few, 1231 * Note this could be annoying if this is just one of a few,
3127 * so it may not be critical (eg, putting on a ring and you have 1232 * so it may not be critical (eg, putting on a ring and you have
3128 * one cursed ring.) 1233 * one cursed ring.)
3129 */ 1234 */
3130 who->failmsg (format ("The %s just won't come off." CANNOT_REMOVE_CURSED, query_name (tmp))); 1235 who->failmsgf ("The %s just won't come off." CANNOT_REMOVE_CURSED, query_name (tmp));
3131 } 1236 }
3132 1237
3133 last = tmp->below; 1238 last = tmp->below;
3134 } 1239 }
3135 /* if we got here, this slot is freed up - otherwise, if it wasn't freed up, the 1240 /* if we got here, this slot is freed up - otherwise, if it wasn't freed up, the
… …
3194 continue; 1299 continue;
3195 } 1300 }
3196 1301
3197 object *tmp1 = get_next_item_from_body_location (i, who->inv); 1302 object *tmp1 = get_next_item_from_body_location (i, who->inv);
3198 if (!tmp1) 1303 if (!tmp1)
3199 {
3200#if 0
3201 /* This is sort of an error, but happens a lot when old players
3202 * join in with more stuff equipped than they are now allowed.
3203 */
3204 LOG (llevError, "Can't find object using location %d on %s\n", i, who->name);
3205#endif
3206 retval |= CAN_APPLY_NEVER; 1304 retval |= CAN_APPLY_NEVER;
3207 }
3208 else 1305 else
3209 { 1306 {
3210 /* need to unapply something. However, if this something 1307 /* need to unapply something. However, if this something
3211 * is different than we had found before, it means they need 1308 * is different than we had found before, it means they need
3212 * to apply multiple objects 1309 * to apply multiple objects
… …
3241 * the weapon/shield checks, and the range checks for monsters, 1338 * the weapon/shield checks, and the range checks for monsters,
3242 * because you can't control those just by body location - bows, shields, 1339 * because you can't control those just by body location - bows, shields,
3243 * and weapons all use the same slot. Similar for horn/rod/wand - they 1340 * and weapons all use the same slot. Similar for horn/rod/wand - they
3244 * all use the same location. 1341 * all use the same location.
3245 */ 1342 */
3246 if (op->type == WEAPON && !QUERY_FLAG (who, FLAG_USE_WEAPON)) 1343 if (op->type == WEAPON && !who->flag [FLAG_USE_WEAPON])
3247 retval |= CAN_APPLY_RESTRICTION; 1344 retval |= CAN_APPLY_RESTRICTION;
3248 1345
3249 if (op->type == SHIELD && !QUERY_FLAG (who, FLAG_USE_SHIELD)) 1346 if (op->type == SHIELD && !who->flag [FLAG_USE_SHIELD])
3250 retval |= CAN_APPLY_RESTRICTION; 1347 retval |= CAN_APPLY_RESTRICTION;
3251 1348
3252 if (who->type != PLAYER) 1349 if (who->type != PLAYER)
3253 { 1350 {
3254 if ((op->type == WAND || op->type == HORN || op->type == ROD) && !QUERY_FLAG (who, FLAG_USE_RANGE)) 1351 if ((op->type == WAND || op->type == HORN || op->type == ROD) && !who->flag [FLAG_USE_RANGE])
3255 retval |= CAN_APPLY_RESTRICTION; 1352 retval |= CAN_APPLY_RESTRICTION;
3256 1353
3257 if (op->type == BOW && !QUERY_FLAG (who, FLAG_USE_BOW)) 1354 if (op->type == BOW && !who->flag [FLAG_USE_BOW])
3258 retval |= CAN_APPLY_RESTRICTION; 1355 retval |= CAN_APPLY_RESTRICTION;
3259 1356
3260 if (op->type == RING && !QUERY_FLAG (who, FLAG_USE_RING)) 1357 if (op->type == RING && !who->flag [FLAG_USE_RING])
3261 retval |= CAN_APPLY_RESTRICTION; 1358 retval |= CAN_APPLY_RESTRICTION;
3262 1359
3263 if (op->type == BOW && !QUERY_FLAG (who, FLAG_USE_BOW)) 1360 if (op->type == BOW && !who->flag [FLAG_USE_BOW])
3264 retval |= CAN_APPLY_RESTRICTION; 1361 retval |= CAN_APPLY_RESTRICTION;
3265 } 1362 }
3266 1363
3267 return retval; 1364 return retval;
3268} 1365}
… …
3292 */ 1389 */
3293 1390
3294#define LACK_ITEM_POWER \ 1391#define LACK_ITEM_POWER \
3295 " H<You lack enough unused item power to use this weapon, see the skills command.>" 1392 " H<You lack enough unused item power to use this weapon, see the skills command.>"
3296 1393
3297int 1394static bool
3298apply_special (object *who, object *op, int aflags) 1395apply_special (object *who, object *op, int aflags)
3299{ 1396{
3300 int basic_flag = aflags & AP_BASIC_FLAGS; 1397 int basic_flag = aflags & AP_MODE;
3301 object *tmp, *tmp2, *skop = NULL; 1398 object *tmp, *skop = NULL;
3302
3303 if (who == NULL)
3304 {
3305 LOG (llevError, "apply_special() from object without environment.\n");
3306 return 1;
3307 }
3308
3309 if (op->env != who)
3310 return 1; /* op is not in inventory */
3311 1399
3312 /* trying to unequip op */ 1400 /* trying to unequip op */
3313 if (QUERY_FLAG (op, FLAG_APPLIED)) 1401 if (op->flag [FLAG_APPLIED])
3314 { 1402 {
3315 /* always apply, so no reason to unapply */ 1403 /* always apply, so no reason to unapply */
3316 if (basic_flag == AP_APPLY) 1404 if (basic_flag == AP_APPLY)
3317 return 0; 1405 return 0;
3318 1406
3319 if (!(aflags & AP_IGNORE_CURSE) && (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED)))
3320 {
3321 who->failmsg (format ("No matter how hard you try, you just can't remove %s." CANNOT_REMOVE_CURSED, query_name (op)));
3322 return 1;
3323 }
3324
3325 return unapply_special (who, op, aflags); 1407 return unapply_special (who, op, aflags);
3326 } 1408 }
3327 else if (basic_flag == AP_UNAPPLY) 1409 else if (basic_flag == AP_UNAPPLY)
3328 return 0; 1410 return 0;
3329 1411
3330 // if the item is combat/ranged, wield the relevant slot first
3331 // to resolve conflicts.
3332 if (player *pl = who->contr)
3333 switch (op->slottype ())
3334 {
3335 case slot_combat: who->change_weapon (pl->combat_ob); break;
3336 case slot_ranged: who->change_weapon (pl->ranged_ob); break;
3337 }
3338
3339 splay (op); 1412 splay (op);
3340 1413
3341 /* Can't just apply this object. Lets see what not and what to do */ 1414 /* Can't just apply this object. Lets see what not and what to do */
3342 if (int i = can_apply_object (who, op)) 1415 if (int i = can_apply_object (who, op))
3343 { 1416 {
3344 if (i & CAN_APPLY_NEVER) 1417 if (i & CAN_APPLY_NEVER)
3345 { 1418 {
3346 who->failmsg (format ("You don't have the body to use a %s. H<You can never apply this item.>", query_name (op))); 1419 who->failmsgf ("You don't have the body to use a %s. H<You can never apply this item.>", query_name (op));
3347 return 1; 1420 return 1;
3348 } 1421 }
3349 else if (i & CAN_APPLY_RESTRICTION) 1422 else if (i & CAN_APPLY_RESTRICTION)
3350 { 1423 {
3351 who->failmsg (format ( 1424 who->failmsgf (
3352 "You have a prohibition against using a %s. " 1425 "You have a prohibition against using a %s. "
3353 "H<Your belief, profession or class prevents you from applying this item.>", 1426 "H<Your belief, profession or class prevents you from applying this item.>",
3354 query_name (op) 1427 query_name (op)
3355 )); 1428 );
3356 return 1; 1429 return 1;
3357 } 1430 }
3358 1431
3359 if (who->type != PLAYER) 1432 if (who->type != PLAYER)
3360 { 1433 {
… …
3376 } 1449 }
3377 } 1450 }
3378 1451
3379 if (op->skill && op->type != SKILL && op->type != SKILL_TOOL) 1452 if (op->skill && op->type != SKILL && op->type != SKILL_TOOL)
3380 { 1453 {
1454 // try to ready attached skill first
3381 skop = find_skill_by_name (who, op->skill); 1455 skop = find_skill_by_name (who, op->skill);
3382 1456
3383 if (!skop) 1457 if (!skop)
3384 { 1458 {
3385 who->failmsg (format ("You need the %s skill to use this item!", &op->skill)); 1459 who->failmsgf ("You need the %s skill to use this item!", &op->skill);
3386 return 1; 1460 return 1;
3387 } 1461 }
3388 else 1462 else if (!who->apply (skop, AP_APPLY | AP_NO_SLOT))
3389 /* While experience will be credited properly, we want to change the
3390 * skill so that the dam and wc get updated
3391 */ 1463 {
3392 who->change_skill (skop); 1464 who->failmsgf ("You can't use the required %s skill!", &op->skill);
1465 return 1;
1466 }
3393 } 1467 }
3394 1468
3395 if (who->type == PLAYER 1469 if (!check_item_power (who, op->item_power))
3396 && op->item_power
3397 && op->item_power + who->contr->item_power > settings.item_power_factor * who->level)
3398 { 1470 {
3399 who->failmsg ("Equipping that combined with other items would consume your soul!" LACK_ITEM_POWER); 1471 who->failmsg ("Equipping that combined with other items would consume your soul!" LACK_ITEM_POWER);
3400 return 1; 1472 return 1;
3401 } 1473 }
3402 1474
3403 /* Ok. We are now at the state where we can apply the new object. 1475 /* Ok. We are now at the state where we can apply the new object.
3404 * Note that we don't have the checks for can_use_... 1476 * Note that we don't have the checks for can_use_...
3405 * below - that is already taken care of by can_apply_object. 1477 * below - that is already taken care of by can_apply_object.
3406 */ 1478 */
1479
1480 // split away all the other items from the stack, so only one item is left
3407 tmp = op->nrof > 1 ? op->split (op->nrof - 1) : 0; 1481 tmp = op->nrof > 1 ? op->split (op->nrof - 1) : 0;
3408 1482
3409 if (INVOKE_OBJECT (BE_READY, op, ARG_OBJECT (who)) || INVOKE_OBJECT (READY, who, ARG_OBJECT (op))) 1483 if (INVOKE_OBJECT (BE_READY, op, ARG_OBJECT (who)) || INVOKE_OBJECT (READY, who, ARG_OBJECT (op)))
3410 return RESULT_INT (0); 1484 return RESULT_INT (0);
3411 1485
3412 switch (op->type) 1486 switch (op->type)
3413 { 1487 {
3414 case WEAPON: 1488 case WEAPON:
3415 if (!check_weapon_power (who, op->last_eat)) 1489 if (op->level && (!op->name.starts_with (who->name) || op->name [who->name.length ()] != '\''))
3416 {
3417 op->failmsg ("This weapon is too powerful for you to use. It would consume your soul!" LACK_ITEM_POWER);
3418
3419 if (tmp)
3420 insert_ob_in_ob (tmp, who);
3421
3422 return 1;
3423 }
3424
3425 //TODO: this obviously fails for players using a shorter prefix
3426 // i.e. "R" can use Ragnarok's sword.
3427 if (op->level && !op->name.starts_with (who->name))
3428 { 1490 {
3429 /* if the weapon does not have the name as the character, can't use it. */ 1491 /* if the weapon does not have the name as the character, can't use it. */
3430 /* (Ragnarok's sword attempted to be used by Foo: won't work) */ 1492 /* (Ragnarok's sword attempted to be used by Foo: won't work) */
3431 who->failmsg ("The weapon does not recognize you as its owner. H<Its name indicates that it belongs to somebody else.>"); 1493 who->failmsg ("The weapon does not recognize you as its owner. "
3432 1494 "H<Its name indicates that it belongs to somebody else.>");
3433 if (tmp) 1495 if (tmp) who->insert (tmp);
3434 insert_ob_in_ob (tmp, who);
3435
3436 return 1; 1496 return 1;
3437 } 1497 }
3438 1498
3439 if (!skop) 1499 op->flag [FLAG_APPLIED] = true;
1500
1501 if (player *pl = who->contr)
3440 { 1502 {
3441 who->failmsg (format ("The %s is broken, please report this to the dungeon master!", query_name (op)));//TODO 1503 who->statusmsg (format ("You wield %s.", query_name (op)));
3442 return 1; 1504 change_abil (who, op);
3443 } 1505 }
3444 1506
3445 SET_FLAG (op, FLAG_APPLIED); 1507 op->flag [FLAG_READY_WEAPON] = true;
3446 who->change_skill (skop);
3447
3448 if (who->contr)
3449 who->change_weapon (who->contr->combat_ob = op);
3450
3451 who->statusmsg (format ("You wield %s.", query_name (op)));
3452
3453 SET_FLAG (who, FLAG_READY_WEAPON);
3454 change_abil (who, op);
3455 break; 1508 break;
3456 1509
3457 case ARMOUR: 1510 case ARMOUR:
3458 case HELMET: 1511 case HELMET:
3459 case SHIELD: 1512 case SHIELD:
… …
3462 case GIRDLE: 1515 case GIRDLE:
3463 case BRACERS: 1516 case BRACERS:
3464 case CLOAK: 1517 case CLOAK:
3465 case RING: 1518 case RING:
3466 case AMULET: 1519 case AMULET:
3467 SET_FLAG (op, FLAG_APPLIED); 1520 op->set_flag (FLAG_APPLIED);
3468 who->statusmsg (format ("You wear %s.", query_name (op))); 1521 who->statusmsg (format ("You wear %s.", query_name (op)));
3469 change_abil (who, op); 1522 change_abil (who, op);
3470 break; 1523 break;
3471 1524
3472 case SKILL_TOOL: 1525 case SKILL_TOOL:
3473 // applying a skill tool also readies the skill 1526 // applying a skill tool does not ready the skill
3474 SET_FLAG (op, FLAG_APPLIED); 1527 // if something needs the skill, it has to ready it itself
3475 1528 //TODO: unapplying should unapply the skill, though
3476 if (!(aflags & AP_NO_READY))
3477 {
3478 skop = find_skill_by_name (who, op->skill);
3479 if (!skop->flag [FLAG_APPLIED]) 1529 op->set_flag (FLAG_APPLIED);
3480 apply_special (who, skop, AP_APPLY);
3481 }
3482 break; 1530 break;
3483 1531
3484 case SKILL: 1532 case SKILL:
3485 if (player *pl = who->contr) 1533 if (who->contr)
3486 {
3487 if (IS_COMBAT_SKILL (op->subtype))
3488 {
3489 if (skill_flags [op->subtype] & SF_NEED_WEAPON)
3490 {
3491 for (object *item = who->inv; item; item = item->below)
3492 if (item->type == WEAPON && item->flag [FLAG_APPLIED])
3493 {
3494 if (item->skill == op->skill)
3495 {
3496 who->change_weapon (pl->combat_ob = item);
3497 goto found_weapon;
3498 }
3499 }
3500
3501 who->failmsg (format (
3502 "You need to apply a '%s' melee weapon before readying this skill. "
3503 "H<Some skills need an item, in this case a melee weapon, to function.>",
3504 &op->skill
3505 ));
3506 return 1;
3507
3508 found_weapon:;
3509 }
3510 else
3511 who->change_weapon (pl->combat_ob = op);
3512 }
3513 else if (IS_RANGED_SKILL (op->subtype))
3514 {
3515 if (skill_flags [op->subtype] & SF_NEED_BOW)
3516 {
3517 for (object *item = who->inv; item; item = item->below)
3518 if (item->type == BOW && item->flag [FLAG_APPLIED])
3519 {
3520 //TODO: bows should/must all have skill missile weapon right now
3521 who->change_weapon (pl->ranged_ob = item);
3522 goto found_bow;
3523 }
3524
3525 who->failmsg (
3526 "You need to apply a missile weapon before readying this skill. "
3527 "H<Some skills need an item, in this case a missile weapon, to function.>"
3528 );
3529 return 1;
3530
3531 found_bow:;
3532 }
3533 else
3534 who->change_weapon (pl->ranged_ob = op);
3535 }
3536
3537 if (!op->invisible) 1534 if (op->invisible)
3538 { 1535 who->statusmsg (format ("You can now use the %s skill.", &op->skill));
3539 who->statusmsg (format (
3540 "You ready %s."
3541 "You can now use the skill: %s.",
3542 query_name (op),
3543 &op->skill
3544 ));
3545 }
3546 else 1536 else
3547 who->statusmsg (format ("Readied skill: %s.", op->skill ? &op->skill : &op->name)); 1537 who->statusmsg (format ("You ready %s.", query_name (op)));
3548 } 1538
3549 else 1539 who->set_flag (FLAG_READY_SKILL);
3550 { 1540 op->set_flag (FLAG_APPLIED);
3551 SET_FLAG (op, FLAG_APPLIED);
3552 change_abil (who, op); 1541 change_abil (who, op);
3553 who->chosen_skill = op;
3554 SET_FLAG (who, FLAG_READY_SKILL);
3555 }
3556
3557 break; 1542 break;
3558 1543
3559 case BOW: 1544 case BOW:
3560 if (!check_weapon_power (who, op->last_eat)) 1545 if (op->level && (!op->name.starts_with (who->name) || op->name [who->name.length ()] != '\''))
3561 {
3562 who->failmsg ("That weapon is too powerful for you to use. It would consume your soul!" LACK_ITEM_POWER);
3563
3564 if (tmp)
3565 insert_ob_in_ob (tmp, who);
3566
3567 return 1;
3568 }
3569
3570 if (op->level && !op->name.starts_with (who->name))
3571 { 1546 {
3572 who->failmsg ("The weapon does not recognize you as its owner. " 1547 who->failmsg ("The weapon does not recognize you as its owner. "
3573 "H<Its name indicates that it belongs to somebody else.>"); 1548 "H<Its name indicates that it belongs to somebody else.>");
3574 if (tmp) 1549 if (tmp) who->insert (tmp);
3575 insert_ob_in_ob (tmp, who);
3576
3577 return 1; 1550 return 1;
3578 } 1551 }
1552
1553 if (player *pl = who->contr)
1554 {
1555 op->flag [FLAG_APPLIED] = true;
1556 who->statusmsg (format ("You wield the %s.", query_name (op)));
1557 change_abil (who, op);
1558 }
1559 break;
1560
1561 case RANGED:
1562 if (player *pl = who->contr)
1563 {
1564 op->flag [FLAG_APPLIED] = true;
1565 who->statusmsg (format ("You applied the %s.", query_name (op)));
1566 }
1567 break;
1568
1569 case SPELL:
1570 if (player *pl = who->contr)
1571 {
1572 op->flag [FLAG_APPLIED] = true;
1573 who->statusmsg (format ("You ready the spell %s.", query_name (op)));
1574 }
1575 break;
3579 1576
3580 /*FALLTHROUGH*/ 1577 /*FALLTHROUGH*/
3581 case WAND: 1578 case WAND:
3582 case ROD: 1579 case ROD:
3583 case HORN: 1580 case HORN:
3584 /* check for skill, alter player status */ 1581 op->flag [FLAG_APPLIED] = true;
3585 1582
3586 if (!skop) 1583 if (player *pl = who->contr)
3587 { 1584 {
3588 who->failmsg (format ("The %s is broken, please report this to the dungeon master!", query_name (op)));//TODO
3589 return 1;
3590 }
3591
3592 SET_FLAG (op, FLAG_APPLIED);
3593 who->change_skill (skop);
3594
3595 if (who->contr)
3596 {
3597 who->contr->ranged_ob = op;
3598
3599 who->statusmsg (format ("You ready %s.", query_name (op))); 1585 who->statusmsg (format ("You ready %s.", query_name (op)));
3600 1586
3601 if (op->type == BOW) 1587 if (op->type == BOW)
3602 {
3603 who->current_weapon = op;
3604 change_abil (who, op);
3605 who->statusmsg (format ("You will now fire %s with %s.", op->race ? &op->race : "nothing", query_name (op))); 1588 who->statusmsg (format ("You will now fire %s with %s.", op->race ? &op->race : "nothing", query_name (op)));
3606 } 1589
1590 change_abil (who, op);
3607 } 1591 }
3608 else 1592 else
3609 { 1593 {
3610 if (op->type == BOW) 1594 if (op->type == BOW)
3611 SET_FLAG (who, FLAG_READY_BOW); 1595 op->flag [FLAG_READY_BOW ] = true;
3612 else 1596 else
3613 SET_FLAG (who, FLAG_READY_RANGE); 1597 op->flag [FLAG_READY_RANGE] = true;
3614 } 1598 }
3615 1599
3616 break; 1600 break;
3617 1601
3618 case BUILDER: 1602 case BUILDER:
3619 if (who->type == PLAYER) 1603 if (player *pl = who->contr)
3620 { 1604 {
3621 //TODO: wtf does this do? shouldn't this be managed automatically (slots?)
3622 if (who->contr->ranged_ob && who->contr->ranged_ob->type == BUILDER)
3623 unapply_special (who, who->contr->ranged_ob, 0);
3624
3625 who->statusmsg (format ("You ready your %s.", query_name (op))); 1605 who->statusmsg (format ("You ready your %s.", query_name (op)));
3626 1606 //TODO: change_abil?
3627 who->contr->ranged_ob = op;
3628 } 1607 }
3629 break; 1608 break;
3630 1609
3631 default: 1610 default:
3632 who->statusmsg (format ("You apply %s.", query_name (op))); 1611 who->statusmsg (format ("You apply %s.", query_name (op)));
3633 } 1612 }
3634 1613
3635 SET_FLAG (op, FLAG_APPLIED); 1614 op->set_flag (FLAG_APPLIED);
3636 1615
3637 if (tmp)
3638 who->insert (tmp); 1616 if (tmp) who->insert (tmp);
3639 1617
3640 who->update_stats (); 1618 who->update_stats ();
3641 1619
3642 /* We exclude spell casting objects. The fire code will set the 1620 /* We exclude spell casting objects. The fire code will set the
3643 * been applied flag when they are used - until that point, 1621 * been applied flag when they are used - until that point,
3644 * you don't know anything about them. 1622 * you don't know anything about them.
3645 */ 1623 */
3646 if (who->type == PLAYER && op->type != WAND && op->type != HORN && op->type != ROD) 1624 if (who->type == PLAYER && op->type != WAND && op->type != HORN && op->type != ROD)
3647 SET_FLAG (op, FLAG_BEEN_APPLIED); 1625 op->set_flag (FLAG_BEEN_APPLIED);
3648 1626
3649 if (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED)) 1627 if (op->flag [FLAG_CURSED] || op->flag [FLAG_DAMNED])
3650 if (who->type == PLAYER) 1628 if (who->type == PLAYER)
3651 { 1629 {
3652 who->failmsg ( 1630 who->failmsg (
3653 "Oops, it feels deadly cold! " 1631 "Oops, it feels deadly cold! "
3654 "H<Maybe it wasn't such a bright idea to apply this cursed or damned item.>" 1632 "H<Maybe it wasn't such a bright idea to apply this cursed or damned item.>"
3655 ); 1633 );
3656 SET_FLAG (op, FLAG_KNOWN_CURSED); 1634 op->set_flag (FLAG_KNOWN_CURSED);
3657 } 1635 }
3658 1636
3659 if (object *pl = op->visible_to ()) 1637 if (object *pl = op->visible_to ())
3660 esrv_send_item (pl, op); 1638 esrv_send_item (pl, op);
3661 1639
3662 return 0; 1640 return 0;
3663} 1641}
3664 1642
1643/**
1644 * Check if op should abort moving victim because of it's race or slaying.
1645 * Returns 1 if it should abort, returns 0 if it should continue.
1646 */
3665int 1647int
3666monster_apply_special (object *who, object *op, int aflags) 1648should_director_abort (object *op, object *victim)
3667{ 1649{
3668 if (QUERY_FLAG (op, FLAG_UNPAID) && !QUERY_FLAG (op, FLAG_APPLIED)) 1650 int arch_flag, name_flag, race_flag;
1651
1652 /* Get flags to determine what of arch, name, and race should be checked.
1653 * This is stored in subtype, and is a bitmask, the LSB is the arch flag,
1654 * the next is the name flag, and the last is the race flag. Also note,
1655 * if subtype is set to zero, that also goes to defaults of all affecting
1656 * it. Examples:
1657 * subtype 1: only arch
1658 * subtype 3: arch or name
1659 * subtype 5: arch or race
1660 * subtype 7: all three
1661 */
1662 if (op->subtype)
1663 {
1664 arch_flag = op->subtype & 1;
1665 name_flag = op->subtype & 2;
1666 race_flag = op->subtype & 4;
1667 }
1668 else
1669 {
1670 arch_flag = 1;
1671 name_flag = 1;
1672 race_flag = 1;
1673 }
1674
1675 /* If the director has race set, only affect objects with a arch,
1676 * name or race that matches.
1677 */
1678 if ((op->race) &&
1679 ((!(victim->arch && arch_flag && victim->arch->archname) || op->race != victim->arch->archname)) &&
1680 ((!(victim->name && name_flag) || op->race != victim->name)) &&
1681 ((!(victim->race && race_flag) || op->race != victim->race)))
3669 return 1; 1682 return 1;
3670 1683
1684 /* If the director has slaying set, only affect objects where none
1685 * of arch, name, or race match.
1686 */
1687 if ((op->slaying) && (((victim->arch && arch_flag && victim->arch->archname && op->slaying == victim->arch->archname))) ||
1688 ((victim->name && name_flag && op->slaying == victim->name)) ||
1689 ((victim->race && race_flag && op->slaying == victim->race)))
1690 return 1;
1691
1692 return 0;
1693}
1694
1695/**
1696 * This handles a player dropping money on an altar to identify stuff.
1697 * It'll identify marked item, if none all items up to dropped money.
1698 * Return value: 1 if money was destroyed, 0 if not.
1699 */
1700static int
1701apply_id_altar (object *money, object *altar, object *pl)
1702{
1703 dynbuf_text &buf = msg_dynbuf; buf.clear ();
1704
1705 if (!pl || pl->type != PLAYER)
1706 return 0;
1707
1708 /* Check for MONEY type is a special hack - it prevents 'nothing needs
1709 * identifying' from being printed out more than it needs to be.
1710 */
1711 if (!check_altar_sacrifice (altar, money, pl) || money->type != MONEY)
1712 return 0;
1713
1714 /* if the player has a marked item, identify that if it needs to be
1715 * identified. If it doesn't, then go through the player inventory.
1716 */
1717 if (object *marked = pl->mark ())
1718 if (!marked->flag [FLAG_IDENTIFIED] && marked->need_identify ())
1719 {
1720 if (operate_altar (altar, &money, pl))
1721 {
1722 identify (marked);
1723
1724 buf.printf ("You have %s.\r", long_desc (marked, pl));
1725 if (marked->msg)
1726 buf << "The item has a story:\r" << marked->msg << "\n\n";
1727
1728 return !money;
1729 }
1730 }
1731
1732 for (object *id = pl->inv; id; id = id->below)
1733 {
1734 if (!id->flag [FLAG_IDENTIFIED] && !id->invisible && id->need_identify ())
1735 {
1736 if (operate_altar (altar, &money, pl))
1737 {
1738 identify (id);
1739
1740 buf.printf ("You have %s.\r", long_desc (id, pl));
1741 if (id->msg)
1742 buf << "The item has a story:\r" << id->msg << "\n\n";
1743
1744 /* If no more money, might as well quit now */
1745 if (!money || !check_altar_sacrifice (altar, money))
1746 break;
1747 }
1748 else
1749 {
1750 LOG (llevError, "check_id_altar: Couldn't do sacrifice when we should have been able to\n");
1751 break;
1752 }
1753 }
1754 }
1755
1756 if (buf.empty ())
1757 pl->failmsg ("You have nothing that needs identifying");
1758 else
1759 pl->contr->infobox (MSG_CHANNEL ("identify"), buf);
1760
1761 return !money;
1762}
1763
1764/**
1765 * This checks whether the object has a "on_use_yield" field, and if so generated and drops
1766 * matching item.
1767 **/
1768void
1769handle_apply_yield (object *tmp)
1770{
1771 if (shstr_tmp yield = tmp->kv [shstr_on_use_yield])
1772 archetype::get (yield)->insert_at (tmp, tmp, INS_BELOW_ORIGINATOR);
1773}
1774
1775/**
1776 * Handles applying a potion.
1777 */
1778int
1779apply_potion (object *op, object *tmp)
1780{
1781 int got_one = 0, i;
1782 object *force = 0;
1783
1784 if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_SAFE)
1785 {
1786 op->failmsg ("Gods prevent you from using this here, it's sacred ground!");
1787
1788 tmp->clr_flag (FLAG_APPLIED);
1789 return 0;
1790 }
1791
1792 if (op->type == PLAYER)
1793 if (!tmp->flag [FLAG_IDENTIFIED])
1794 identify (tmp);
1795
1796 handle_apply_yield (tmp);
1797
1798 /* Potion of restoration - only for players */
1799 if (op->type == PLAYER && (tmp->attacktype & AT_DEPLETE))
1800 {
1801 object *depl;
1802 archetype *at;
1803
1804 if (tmp->flag [FLAG_CURSED] || tmp->flag [FLAG_DAMNED])
1805 {
1806 op->drain_stat ();
1807 op->update_stats ();
1808 tmp->decrease ();
1809 return 1;
1810 }
1811
1812 if (!(at = archetype::find (shstr_depletion)))
1813 {
1814 LOG (llevError, "Could not find archetype depletion\n");
1815 return 0;
1816 }
1817
1818 depl = present_arch_in_ob (at, op);
1819
1820 if (depl)
1821 {
1822 for (i = 0; i < NUM_STATS; i++)
1823 if (depl->stats.stat (i))
1824 op->statusmsg (restore_msg[i]);
1825
1826 depl->destroy ();
1827 op->update_stats ();
1828 }
1829 else
1830 op->statusmsg ("Your potion had no effect.");
1831
1832 tmp->decrease ();
1833 return 1;
1834 }
1835
1836 /* improvement potion - only for players */
1837 if (op->type == PLAYER && (tmp->attacktype & AT_GODPOWER))
1838 {
1839 for (i = 1; i < min (11, op->level); i++)
1840 {
1841 if (tmp->flag [FLAG_CURSED] || tmp->flag [FLAG_DAMNED])
1842 {
1843 if (op->contr->levhp[i] != 1)
1844 {
1845 op->contr->levhp[i] = 1;
1846 break;
1847 }
1848
1849 if (op->contr->levsp[i] != 1)
1850 {
1851 op->contr->levsp[i] = 1;
1852 break;
1853 }
1854
1855 if (op->contr->levgrace[i] != 1)
1856 {
1857 op->contr->levgrace[i] = 1;
1858 break;
1859 }
1860 }
1861 else
1862 {
1863 if (op->contr->levhp[i] < 9)
1864 {
1865 op->contr->levhp[i] = 9;
1866 break;
1867 }
1868
1869 if (op->contr->levsp[i] < 6)
1870 {
1871 op->contr->levsp[i] = 6;
1872 break;
1873 }
1874
1875 if (op->contr->levgrace[i] < 3)
1876 {
1877 op->contr->levgrace[i] = 3;
1878 break;
1879 }
1880 }
1881 }
1882
1883 /* Just makes checking easier */
1884 if (i < min (11, op->level))
1885 got_one = 1;
1886
1887 if (!tmp->flag [FLAG_CURSED] && !tmp->flag [FLAG_DAMNED])
1888 {
1889 if (got_one)
1890 {
1891 op->update_stats ();
1892 op->statusmsg ("The Gods smile upon you and remake you "
1893 "a little more in their image. "
1894 "You feel a little more perfect.", NDI_GREEN);
1895 }
1896 else
1897 op->statusmsg ("The potion had no effect - you are already perfect.");
1898 }
1899 else
1900 { /* cursed potion */
1901 if (got_one)
1902 {
1903 op->update_stats ();
1904 op->failmsg ("The Gods are angry and punish you.");
1905 }
1906 else
1907 op->statusmsg ("You are fortunate that you are so pathetic.", NDI_DK_ORANGE);
1908 }
1909
1910 tmp->decrease ();
1911 return 1;
1912 }
1913
1914
1915 /* A potion that casts a spell. Healing, restore spellpoint (power potion)
1916 * and heroism all fit into this category. Given the spell object code,
1917 * there is no limit to the number of spells that potions can be cast,
1918 * but direction is problematic to try and imbue fireball potions for example.
1919 */
1920 if (tmp->inv)
1921 {
1922 if (tmp->flag [FLAG_CURSED] || tmp->flag [FLAG_DAMNED])
1923 {
1924 op->failmsg ("Yech! Your lungs are on fire!");
1925 create_exploding_ball_at (op, op->level);
1926 }
1927 else
1928 cast_spell (op, tmp, op->facing, tmp->inv, NULL);
1929
1930 tmp->decrease ();
1931
1932 /* if youre dead, no point in doing this... */
1933 if (!op->flag [FLAG_REMOVED])
1934 op->update_stats ();
1935
1936 return 1;
1937 }
1938
1939 /* Deal with protection potions */
1940 force = NULL;
1941 for (i = 0; i < NROFATTACKS; i++)
1942 {
1943 if (tmp->resist[i])
1944 {
1945 if (!force)
1946 force = archetype::get (FORCE_NAME);
1947
1948 memcpy (force->resist, tmp->resist, sizeof (tmp->resist));
1949 force->type = POTION_EFFECT;
1950 break; /* Only need to find one protection since we copy entire batch */
1951 }
1952 }
1953
1954 /* This is a protection potion */
1955 if (force)
1956 {
1957 /* cursed items last longer */
1958 if (tmp->flag [FLAG_CURSED] || tmp->flag [FLAG_DAMNED])
1959 {
1960 force->stats.food *= 10;
1961 for (i = 0; i < NROFATTACKS; i++)
1962 if (force->resist[i] > 0)
1963 force->resist[i] = -force->resist[i]; /* prot => vuln */
1964 }
1965
1966 force->speed_left = -1;
1967 force = insert_ob_in_ob (force, op);
1968 tmp->clr_flag (FLAG_APPLIED);
1969 force->set_flag (FLAG_APPLIED);
1970 change_abil (op, force);
1971 tmp->decrease ();
1972 return 1;
1973 }
1974
1975 /* Only thing left are the stat potions */
1976 if (op->type == PLAYER)
1977 { /* only for players */
1978 if ((tmp->flag [FLAG_CURSED]
1979 || tmp->flag [FLAG_DAMNED])
1980 && tmp->value != 0)
1981 tmp->clr_flag (FLAG_APPLIED);
1982 else
1983 tmp->set_flag (FLAG_APPLIED);
1984
1985 if (!change_abil (op, tmp))
1986 op->statusmsg ("Nothing happened.");
1987 }
1988
1989 /* CLEAR_FLAG is so that if the character has other potions
1990 * that were grouped with the one consumed, his
1991 * stat will not be raised by them. fix_player just clears
1992 * up all the stats.
1993 */
1994 tmp->clr_flag (FLAG_APPLIED);
1995 op->update_stats ();
1996 tmp->decrease ();
1997 return 1;
1998}
1999
2000/**
2001 * 'victim' moves onto 'trap'
2002 * 'victim' leaves 'trap'
2003 * effect is determined by move_on/move_off of trap and move_type of victime.
2004 *
2005 * originator: Player, monster or other object that caused 'victim' to move
2006 * onto 'trap'. Will receive messages caused by this action. May be NULL.
2007 * However, some types of traps require an originator to function.
2008 */
2009void
2010move_apply (object *trap, object *victim, object *originator)
2011{
2012 static int recursion_depth = 0;
2013
2014 trap = trap->head_ ();
2015
2016 /* Only exits affect DMs. */
2017 if (victim->flag [FLAG_WIZPASS] && trap->type != EXIT && trap->type != SIGN)
2018 return;
2019
2020 /* move_apply() is the most likely candidate for causing unwanted and
2021 * possibly unlimited recursion.
2022 */
2023
2024 /* The following was changed because it was causing perfectly correct
2025 * maps to fail. 1) it's not an error to recurse:
2026 * rune detonates, summoning monster. monster lands on nearby rune.
2027 * nearby rune detonates. This sort of recursion is expected and
2028 * proper. This code was causing needless crashes.
2029 */
2030 if (recursion_depth >= 500)
2031 {
2032 LOG (llevDebug, "WARNING: move_apply(): aborting recursion "
2033 "[trap arch %s, name %s; victim arch %s, name %s]\n", &trap->arch->archname, &trap->name, &victim->arch->archname, &victim->name);
2034 return;
2035 }
2036
2037 recursion_depth++;
2038
2039 if (!INVOKE_OBJECT (MOVE_TRIGGER, trap, ARG_OBJECT (victim), ARG_OBJECT (originator)))
2040 switch (trap->type)
2041 {
2042 case PLAYERMOVER:
2043 if (trap->attacktype && (trap->level || victim->type != PLAYER) && !should_director_abort (trap, victim))
2044 {
2045 if (!trap->stats.maxsp)
2046 trap->stats.maxsp = 2;
2047
2048 /* Is this correct? From the docs, it doesn't look like it
2049 * should be divided by trap->speed
2050 */
2051 victim->speed_left = -trap->stats.maxsp * victim->speed / trap->speed;
2052
2053 /* Just put in some sanity check. I think there is a bug in the
2054 * above with some objects have zero speed, and thus the player
2055 * getting permanently paralyzed.
2056 */
2057 victim->speed_left = max (-50.f, victim->speed_left);
2058 /* LOG(llevDebug, "apply, playermove, player speed_left=%f\n", victim->speed_left); */
2059 }
2060 break;
2061
2062 case SPINNER:
2063 if (victim->direction)
2064 {
2065 victim->direction = absdir (victim->direction - trap->stats.sp);
2066 update_turn_face (victim);
2067 }
2068 break;
2069
2070 case DIRECTOR:
2071 if (victim->direction && !should_director_abort (trap, victim))
2072 {
2073 victim->direction = trap->stats.sp;
2074 update_turn_face (victim);
2075 }
2076 break;
2077
2078 case BUTTON:
2079 case PEDESTAL:
2080 case T_MATCH:
2081 update_button (trap, originator);
2082 break;
2083
2084 case ALTAR:
2085 /* sacrifice victim on trap */
2086 apply_altar (trap, victim, originator);
2087 break;
2088
2089 case THROWN_OBJ:
2090 if (trap->inv == NULL)
2091 break;
2092 /* fallthrough */
2093
2094 case ARROW:
2095 /* bad bug: monster throw a object, make a step forwards, step on object ,
2096 * trigger this here and get hit by own missile - and will be own enemy.
2097 * Victim then is his own enemy and will start to kill herself (this is
2098 * removed) but we have not synced victim and his missile. To avoid senseless
2099 * action, we avoid hits here
2100 */
2101 if ((victim->flag [FLAG_ALIVE] && trap->has_active_speed ())
2102 && trap->owner != victim)
2103 hit_with_arrow (trap, victim);
2104 break;
2105
2106 case SPELL_EFFECT:
2107 apply_spell_effect (trap, victim);
2108 break;
2109
2110 case TRAPDOOR:
2111 {
2112 int max, sound_was_played;
2113 object *ab, *ab_next;
2114
2115 if (!trap->value)
2116 {
2117 int tot;
2118
2119 for (ab = trap->above, tot = 0; ab; ab = ab->above)
2120 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
2121 tot += ab->head_ ()->total_weight ();
2122
2123 if (!(trap->value = (tot > trap->weight) ? 1 : 0))
2124 break;
2125
2126 SET_ANIMATION (trap, trap->value);
2127 update_object (trap, UP_OBJ_FACE);
2128 }
2129
2130 for (ab = trap->above, max = 100, sound_was_played = 0; --max && ab; ab = ab_next)
2131 {
2132 /* need to set this up, since if we do transfer the object,
2133 * ab->above would be bogus
2134 */
2135 ab_next = ab->above;
2136
2137 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
2138 {
2139 if (!sound_was_played)
2140 {
2141 trap->play_sound (trap->sound ? trap->sound : sound_find ("fall_hole"));
2142 sound_was_played = 1;
2143 }
2144
2145 ab->statusmsg ("You fall into a trapdoor!", NDI_RED);
2146 transfer_ob (ab, EXIT_X (trap), EXIT_Y (trap), 0, ab);
2147 }
2148 }
2149 break;
2150 }
2151
2152 case CONVERTER:
2153 if (convert_item (victim, trap) < 0)
2154 {
2155 originator->failmsgf ("The %s seems to be broken!", query_name (trap));
2156 archetype::get (shstr_burnout)->insert_at (trap, trap);
2157 }
2158
2159 break;
2160
2161 case TRIGGER_BUTTON:
2162 case TRIGGER_PEDESTAL:
2163 case TRIGGER_ALTAR:
2164 check_trigger (trap, victim, originator);
2165 break;
2166
2167 case DEEP_SWAMP:
2168 walk_on_deep_swamp (trap, victim);
2169 break;
2170
2171 case CHECK_INV:
2172 check_inv (victim, trap);
2173 break;
2174
2175 case HOLE:
2176 move_apply_hole (trap, victim);
2177 break;
2178
2179 case EXIT:
2180 if (victim->type == PLAYER && EXIT_PATH (trap))
2181 {
2182 /* Basically, don't show exits leading to random maps the
2183 * players output.
2184 */
2185 if (trap->msg && EXIT_PATH (trap) != shstr_random_map_exit)
2186 victim->statusmsg (trap->msg, NDI_NAVY);
2187
2188 trap->play_sound (trap->sound);
2189 victim->enter_exit (trap);
2190 }
2191 break;
2192
2193 case ENCOUNTER:
2194 /* may be some leftovers on this */
2195 break;
2196
2197 case SHOP_MAT:
2198 apply_shop_mat (trap, victim);
2199 break;
2200
2201 /* Drop a certain amount of gold, and have one item identified */
2202 case IDENTIFY_ALTAR:
2203 apply_id_altar (victim, trap, originator);
2204 break;
2205
2206 case SIGN:
2207 if (victim->type != PLAYER && trap->stats.food > 0)
2208 break; /* monsters musn't apply magic_mouths with counters */
2209
2210 apply_sign (victim, trap, 1);
2211 break;
2212
2213 case CONTAINER:
2214 apply_container (victim, trap);
2215 break;
2216
2217 case RUNE:
2218 case TRAP:
2219 if (trap->level && victim->flag [FLAG_ALIVE])
2220 spring_trap (trap, victim);
2221 break;
2222
2223 default:
2224 LOG (llevDebug, "name %s, arch %s, type %d with fly/walk on/off not "
2225 "handled in move_apply()\n", &trap->name, &trap->arch->archname, trap->type);
2226 break;
2227 }
2228
2229 recursion_depth--;
2230}
2231
2232/**
2233 * Handles reading a regular (ie not containing a spell) book.
2234 */
2235static void
2236apply_book (object *op, object *tmp)
2237{
2238 int lev_diff;
2239 object *skill_ob;
2240
2241 if (op->flag [FLAG_BLIND] && !op->flag [FLAG_WIZ])
2242 {
2243 op->failmsg ("You are unable to read while blind!");
2244 return;
2245 }
2246
2247 if (!tmp->msg)
2248 {
2249 op->failmsgf ("The %s contains nothing but meaningless gibberish. H<There is nothing interesting to read here.>", &tmp->name);
2250 return;
2251 }
2252
2253 /* need a literacy skill to read stuff! */
2254 skill_ob = find_skill_by_name (op, tmp->skill);
2255 if (!skill_ob)
2256 {
2257 op->failmsgf ("You are unable to decipher the strange symbols. H<You lack the %s skill to read this.>", &tmp->skill);
2258 return;
2259 }
2260
2261 lev_diff = tmp->level - (skill_ob->level + 5);
2262 if (!op->flag [FLAG_WIZ] && lev_diff > 0)
2263 {
2264 op->failmsg (lev_diff < 2 ? "This book is just barely beyond your comprehension."
2265 : lev_diff < 3 ? "This book is slightly beyond your comprehension."
2266 : lev_diff < 5 ? "This book is beyond your comprehension."
2267 : lev_diff < 8 ? "This book is quite a bit beyond your comprehension."
2268 : lev_diff < 15 ? "This book is way beyond your comprehension."
2269 : "This book is totally beyond your comprehension.");
2270 return;
2271 }
2272
2273 // we currently don't use the message types for anything.
2274 // readable_message_type *msgType = get_readable_message_type (tmp);
2275
2276 tmp->play_sound (tmp->sound ? tmp->sound : sound_find ("apply_book"));
2277
2278 if (player *pl = op->contr)
2279 if (client *ns = pl->ns)
2280 pl->infobox (MSG_CHANNEL ("book"), format ("T<%s>\n\n%s", (char *)long_desc (tmp, op), &tmp->msg));
2281
2282 /* gain xp from reading */
2283 if (!tmp->flag [FLAG_NO_SKILL_IDENT])
2284 { /* only if not read before */
2285 int exp_gain = calc_skill_exp (op, tmp, skill_ob);
2286
2287 if (!tmp->flag [FLAG_IDENTIFIED])
2288 {
2289 /*exp_gain *= 2; because they just identified it too */
2290 tmp->set_flag (FLAG_IDENTIFIED);
2291
2292 if (object *pl = tmp->visible_to ())
2293 esrv_update_item (UPD_FLAGS | UPD_NAME, pl, tmp);
2294 }
2295
2296 change_exp (op, exp_gain, skill_ob->skill, 0);
2297 tmp->set_flag (FLAG_NO_SKILL_IDENT); /* so no more xp gained from this book */
2298 }
2299}
2300
2301/**
2302 * op made some mistake with a scroll, this takes care of punishment.
2303 * scroll_failure()- hacked directly from spell_failure
2304 */
2305static void
2306scroll_failure (object *op, int failure, int power)
2307{
2308 if (abs (failure / 4) > power)
2309 power = abs (failure / 4); /* set minimum effect */
2310
2311 if (failure <= -1 && failure > -15)
2312 { /* wonder */
2313 object *tmp;
2314
2315 op->failmsg ("Your spell warps!");
2316 tmp = archetype::get (SPELL_WONDER);
2317 cast_wonder (op, op, 0, tmp);
2318 tmp->destroy ();
2319 }
2320 else if (failure <= -15 && failure > -35)
2321 { /* drain mana */
2322 op->failmsg ("Your mana is drained!");
2323 op->stats.sp -= random_roll (0, power - 1, op, PREFER_LOW);
2324 if (op->stats.sp < 0)
2325 op->stats.sp = 0;
2326 }
2327 else if (settings.spell_failure_effects == TRUE)
2328 {
2329 if (failure <= -35 && failure > -60)
2330 { /* confusion */
2331 op->failmsg ("The magic recoils on you!");
2332 confuse_player (op, op, power);
2333 }
2334 else if (failure <= -60 && failure > -70)
2335 { /* paralysis */
2336 op->failmsg ("The magic recoils and paralyzes you!");
2337 paralyze_player (op, op, power);
2338 }
2339 else if (failure <= -70 && failure > -80)
2340 { /* blind */
2341 op->failmsg ("The magic recoils on you!");
2342 blind_player (op, op, power);
2343 }
2344 else if (failure <= -80)
2345 { /* blast the immediate area */
2346 object *tmp = archetype::get (LOOSE_MANA);
2347 cast_magic_storm (op, tmp, power);
2348 op->failmsg ("You unleash uncontrolled mana!");
2349 tmp->destroy ();
2350 }
2351 }
2352}
2353
2354/**
2355 * Handles the applying of a skill scroll, calling learn_skill straight.
2356 * op is the person learning the skill, tmp is the skill scroll object
2357 */
2358static void
2359apply_skillscroll (object *op, object *tmp)
2360{
2361 switch (learn_skill (op, tmp))
2362 {
2363 case 0:
2364 op->play_sound (sound_find ("generic_fail"));
2365 op->failmsgf ("You already possess the knowledge held within the %s.", query_name (tmp));
2366 break;
2367
2368 case 1:
2369 tmp->decrease ();
2370 op->play_sound (sound_find ("skill_learn"));
2371 op->statusmsg (format ("You succeed in learning %s", &tmp->skill));
2372 break;
2373
2374 default:
2375 tmp->decrease ();
2376 op->play_sound (sound_find ("generic_fail"));
2377 op->failmsgf ("You fail to learn the knowledge of the %s.\n", query_name (tmp));
2378 break;
2379 }
2380}
2381
2382/**
2383 * Actually makes op learn spell.
2384 * Informs player of what happens.
2385 */
2386void
2387do_learn_spell (object *op, object *spell, int special_prayer)
2388{
2389 object *tmp;
2390
2391 if (op->type != PLAYER)
2392 {
2393 LOG (llevError, "BUG: do_learn_spell(): not a player\n");
2394 return;
2395 }
2396
2397 /* Upgrade special prayers to normal prayers */
2398 if ((tmp = check_spell_known (op, spell->name)) != NULL)
2399 {
2400 if (special_prayer && !tmp->flag [FLAG_STARTEQUIP])
2401 {
2402 LOG (llevError, "BUG: do_learn_spell(): spell already known, but not marked as startequip\n");
2403 return;
2404 }
2405 return;
2406 }
2407
2408 op->contr->play_sound (sound_find ("learn_spell"));
2409
2410 tmp = spell->clone ();
2411 insert_ob_in_ob (tmp, op);
2412
2413 if (special_prayer)
2414 tmp->set_flag (FLAG_STARTEQUIP);
2415
2416 esrv_add_spells (op->contr, tmp);
2417}
2418
2419/**
2420 * Erases spell from player's inventory.
2421 */
2422void
2423do_forget_spell (object *op, const char *spell)
2424{
2425 object *spob;
2426
2427 if (op->type != PLAYER)
2428 {
2429 LOG (llevError, "BUG: do_forget_spell(): not a player\n");
2430 return;
2431 }
2432 if ((spob = check_spell_known (op, spell)) == NULL)
2433 {
2434 LOG (llevError, "BUG: do_forget_spell(): spell not known\n");
2435 return;
2436 }
2437
2438 op->failmsgf ("You lose knowledge of %s.", spell);
2439 esrv_remove_spell (op->contr, spob);
2440 spob->destroy ();
2441}
2442
2443/**
2444 * Handles player applying a spellbook.
2445 * Checks whether player has knowledge of required skill, doesn't already know the spell,
2446 * stuff like that. Random learning failure too.
2447 */
2448static void
2449apply_spellbook (object *op, object *tmp)
2450{
2451 object *skop, *spell, *spell_skill;
2452
2453 if (op->flag [FLAG_BLIND] && !op->flag [FLAG_WIZ])
2454 {
2455 op->failmsg ("You are unable to read while blind.");
2456 return;
2457 }
2458
2459 /* artifact_spellbooks have 'slaying' field point to a spell name,
2460 * instead of having their spell stored in stats.sp. These are
2461 * legacy spellbooks
2462 */
2463 if (tmp->slaying)
2464 {
2465 spell = find_archetype_by_object_name (tmp->slaying)->instance ();
2466
2467 if (!spell)
2468 {
2469 op->failmsgf ("The book's formula for %s is incomplete.", &tmp->slaying);
2470 return;
2471 }
2472 else
2473 insert_ob_in_ob (spell, tmp);
2474
2475 tmp->slaying = 0;
2476 }
2477
2478 skop = find_skill_by_name (op, tmp->skill);
2479
2480 /* need a literacy skill to learn spells. Also, having a literacy level
2481 * lower than the spell will make learning the spell more difficult */
2482 if (!skop)
2483 {
2484 op->failmsgf ("You can't read! Your attempt fails. H<You lack the %s skill.>", &tmp->skill);
2485 return;
2486 }
2487
2488 spell = tmp->inv;
2489
2490 if (!spell)
2491 {
2492 LOG (llevError, "apply_spellbook: Book %s has no spell in it!\n", &tmp->name);
2493 op->failmsg ("The spellbook symbols make no sense. This is a bug, please report!");
2494 return;
2495 }
2496
2497 int learn_level = sqrtf (spell->level) * 1.5f;
2498 if (skop->level < learn_level)
2499 {
2500 op->failmsgf ("You are unable to decipher the strange symbols. H<Your %s level is too low, it must be at least %d.>",
2501 &tmp->skill, learn_level);
2502 return;
2503 }
2504
2505 op->statusmsg (format ("The spellbook contains the %s level spell %s.", ordinal (spell->level), &spell->name));
2506
2507 if (!tmp->flag [FLAG_IDENTIFIED])
2508 identify (tmp);
2509
2510 /* I removed the check for special_prayer_mark here - it didn't make
2511 * a lot of sense - special prayers are not found in spellbooks, and
2512 * if the player doesn't know the spell, doesn't make a lot of sense that
2513 * they would have a special prayer mark.
2514 */
2515 if (check_spell_known (op, spell->name))
2516 {
2517 op->statusmsg ("You already know that spell. H<It makes no sense to learn spells twice, and would only waste the spellbook.>\n");
2518 return;
2519 }
2520
2521 if (spell->skill)
2522 {
2523 spell_skill = find_skill_by_name (op, spell->skill);
2524
2525 if (!spell_skill)
2526 {
2527 op->failmsgf ("You lack the %s skill to use this spell.", &spell->skill);
2528 return;
2529 }
2530
2531 if (spell_skill->level < spell->level)
2532 {
2533 op->failmsgf ("You need to be level %d in %s to learn this spell.", spell->level, &spell->skill);
2534 return;
2535 }
2536 }
2537
2538 /* Logic as follows
2539 *
2540 * 1- MU spells use Int to learn, Cleric spells use Wisdom
2541 *
2542 * 2- The learner's skill level in literacy adjusts the chance to learn
2543 * a spell.
2544 *
2545 * 3 -Automatically fail to learn if you read while confused
2546 *
2547 * Overall, chances are the same but a player will find having a high
2548 * literacy rate very useful! -b.t.
2549 */
2550 if (op->flag [FLAG_CONFUSED])
2551 {
2552 op->failmsg ("In your confused state you flub the wording of the text!");
2553 scroll_failure (op, 0 - random_roll (0, spell->level, op, PREFER_LOW), max (spell->stats.sp, spell->stats.grace));
2554 }
2555 else if (tmp->flag [FLAG_STARTEQUIP] ||
2556 (random_roll (0, 100, op, PREFER_LOW) - (5 * skop->level)) < learn_spell[spell->stats.grace ? op->stats.Wis : op->stats.Int])
2557 {
2558 op->statusmsg ("You succeed in learning the spell!", NDI_GREEN);
2559 do_learn_spell (op, spell, 0);
2560
2561 /* xp gain to literacy for spell learning */
2562 if (!tmp->flag [FLAG_STARTEQUIP])
2563 change_exp (op, calc_skill_exp (op, tmp, skop), skop->skill, 0);
2564 }
2565 else
2566 {
2567 op->contr->play_sound (sound_find ("fumble_spell"));
2568 op->failmsg ("You fail to learn the spell. H<Wis (priests) or Int (wizards) governs the chance of learning a prayer or spell.>\n");
2569 }
2570
2571 tmp->decrease ();
2572}
2573
2574/**
2575 * Handles applying a spell scroll.
2576 */
2577void
2578apply_scroll (object *op, object *tmp, int dir)
2579{
2580 object *skop;
2581
2582 if (op->flag [FLAG_BLIND] && !op->flag [FLAG_WIZ])
2583 {
2584 op->failmsg ("You are unable to read while blind.");
2585 return;
2586 }
2587
2588 if (!tmp->inv || tmp->inv->type != SPELL)
2589 {
2590 op->failmsg ("The scroll just doesn't make sense! H<...and never will make sense.>");
2591 return;
2592 }
2593
2594 if (op->type == PLAYER)
2595 {
2596 /* players need a literacy skill to read stuff! */
2597 int exp_gain = 0;
2598
2599 /* hard code literacy - tmp->skill points to where the exp
2600 * should go for anything killed by the spell.
2601 */
2602 skop = find_skill_by_name (op, shstr_literacy);
2603
2604 if (!skop)
2605 {
2606 op->failmsgf ("You are unable to decipher the strange symbols. H<You lack the literacy skill.>");
2607 return;
2608 }
2609
2610 if ((exp_gain = calc_skill_exp (op, tmp, skop)))
2611 change_exp (op, exp_gain, skop->skill, 0);
2612 }
2613
2614 if (!tmp->flag [FLAG_IDENTIFIED])
2615 identify (tmp);
2616
2617 op->statusmsg (format ("The scroll of %s turns to dust.", &tmp->inv->name));
2618
2619 cast_spell (op, tmp, dir, tmp->inv, NULL);
2620 tmp->decrease ();
2621}
2622
2623/**
2624 * Applies a treasure object - by default, chest. op
2625 * is the person doing the applying, tmp is the treasure
2626 * chest.
2627 */
2628static void
2629apply_treasure (object *op, object *tmp)
2630{
2631 /* Nice side effect of this treasure creation method is that the treasure
2632 * for the chest is done when the chest is created, and put into the chest
2633 * inventory. So that when the chest burns up, the items still exist. Also
2634 * prevents people from moving chests to more difficult maps to get better
2635 * treasure
2636 */
2637 object *treas = tmp->inv;
2638
2639 if (!treas)
2640 {
2641 op->statusmsg ("The chest was empty.");
2642 tmp->decrease ();
2643 return;
2644 }
2645
2646 while (tmp->inv)
2647 {
2648 treas = tmp->inv;
2649 treas->remove ();
2650
2651 treas->x = op->x;
2652 treas->y = op->y;
2653 treas = insert_ob_in_map (treas, op->map, op, INS_BELOW_ORIGINATOR);
2654
2655 if (treas && (treas->type == RUNE || treas->type == TRAP) && treas->level && op->flag [FLAG_ALIVE])
2656 spring_trap (treas, op);
2657
2658 /* If either player or container was destroyed, no need to do
2659 * further processing. I think this should be enclused with
2660 * spring trap above, as I don't think there is otherwise
2661 * any way for the treasure chest or player to get killed.
2662 */
2663 if (op->destroyed () || tmp->destroyed ())
2664 break;
2665 }
2666
2667 if (!tmp->destroyed () && !tmp->inv)
2668 tmp->decrease (true);
2669}
2670
2671/**
2672 * A dragon is eating some flesh. If the flesh contains resistances,
2673 * there is a chance for the dragon's skin to get improved.
2674 *
2675 * attributes:
2676 * object *op the object (dragon player) eating the flesh
2677 * object *meal the flesh item, getting chewed in dragon's mouth
2678 * return:
2679 * int 1 if eating successful, 0 if it doesn't work
2680 */
2681static int
2682dragon_eat_flesh (object *op, object *meal)
2683{
2684 object *skin = NULL; /* pointer to dragon skin force */
2685 object *abil = NULL; /* pointer to dragon ability force */
2686 object *tmp = NULL; /* tmp. object */
2687
2688 double chance; /* improvement-chance of one resistance type */
2689 double totalchance = 1; /* total chance of gaining one resistance */
2690 double bonus = 0; /* level bonus (improvement is easier at lowlevel) */
2691 double mbonus = 0; /* monster bonus */
2692 int atnr_winner[NROFATTACKS]; /* winning candidates for resistance improvement */
2693 int winners = 0; /* number of winners */
2694 int i; /* index */
2695
2696 /* let's make sure and doublecheck the parameters */
2697 if (meal->type != FLESH || !op->is_dragon ())
2698 return 0;
2699
2700 /* now grab the 'dragon_skin'- and 'dragon_ability'-forces
2701 from the player's inventory */
2702 for (tmp = op->inv; tmp; tmp = tmp->below)
2703 if (tmp->type == FORCE)
2704 if (tmp->arch->archname == shstr_dragon_skin_force)
2705 skin = tmp;
2706 else if (tmp->arch->archname == shstr_dragon_ability_force)
2707 abil = tmp;
2708
2709 /* if either skin or ability are missing, this is an old player
2710 which is not to be considered a dragon -> bail out */
2711 if (skin == NULL || abil == NULL)
2712 return 0;
2713
2714 /* now start by filling stomache and health, according to food-value */
2715 if ((MAX_FOOD - op->stats.food) < meal->stats.food)
2716 op->stats.hp += (MAX_FOOD - op->stats.food) / 50;
2717 else
2718 op->stats.hp += meal->stats.food / 50;
2719
2720 min_it (op->stats.hp, op->stats.maxhp);
2721 op->stats.food = min (MAX_FOOD, op->stats.food + meal->stats.food);
2722
2723 /*LOG(llevDebug, "-> player: %d, flesh: %d\n", op->level, meal->level); */
2724
2725 /* on to the interesting part: chances for adding resistance */
2726 for (i = 0; i < NROFATTACKS; i++)
2727 {
2728 if (meal->resist[i] > 0 && atnr_is_dragon_enabled (i))
2729 {
2730 /* got positive resistance, now calculate improvement chance (0-100) */
2731
2732 /* this bonus makes resistance increase easier at lower levels */
2733 bonus = (settings.max_level - op->level) * 30. / ((double) settings.max_level);
2734 if (i == abil->stats.exp)
2735 bonus += 5; /* additional bonus for resistance of ability-focus */
2736
2737 /* monster bonus increases with level, because high-level
2738 flesh is too rare */
2739 mbonus = op->level * 20. / ((double) settings.max_level);
2740
2741 chance = (((double)min (op->level + bonus, meal->level + bonus + mbonus)) * 100. /
2742 ((double)settings.max_level)) - skin->resist[i];
2743
2744 if (chance >= 0.)
2745 chance += 1.;
2746 else
2747 chance = (chance < -12) ? 0. : 1. / pow (2., -chance);
2748
2749 /* chance is proportional to amount of resistance (max. 50) */
2750 chance *= ((double)(min (meal->resist[i], 50))) / 50.;
2751
2752 /* doubled chance for resistance of ability-focus */
2753 if (i == abil->stats.exp)
2754 chance = min (100., chance * 2.);
2755
2756 /* now make the throw and save all winners (Don't insert luck bonus here!) */
2757 if (rndm (10000) < (unsigned int)(chance * 100))
2758 {
2759 atnr_winner[winners] = i;
2760 winners++;
2761 }
2762
2763 if (chance >= 0.01)
2764 totalchance *= 1 - chance / 100;
2765
2766 /*LOG(llevDebug, " %s: bonus %.1f, chance %.1f\n", attacks[i], bonus, chance); */
2767 }
2768 }
2769
2770 /* inverse totalchance as until now we have the failure-chance */
2771 totalchance = 100 - totalchance * 100;
2772
2773 /* print message according to totalchance */
2774 const char *buf;
2775 if (totalchance > 50.)
2776 buf = format ("Hmm! The %s tasted delicious!", &meal->name);
2777 else if (totalchance > 10.)
2778 buf = format ("The %s tasted very good.", &meal->name);
2779 else if (totalchance > 1.)
2780 buf = format ("The %s tasted good.", &meal->name);
2781 else if (totalchance > 0.1)
2782 buf = format ("The %s tasted bland.", &meal->name);
2783 else if (totalchance >= 0.01)
2784 buf = format ("The %s had a boring taste.", &meal->name);
2785 else if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat))
2786 buf = format ("The %s tasted strange.", &meal->name);
2787 else
2788 buf = format ("The %s had no taste.", &meal->name);
2789
2790 op->statusmsg (buf);
2791
2792 /* now choose a winner if we have any */
2793 i = -1;
2794 if (winners > 0)
2795 i = atnr_winner [rndm (winners)];
2796
2797 if (i >= 0 && i < NROFATTACKS && skin->resist[i] < 95)
2798 {
2799 /* resistance increased! */
2800 skin->resist[i]++;
2801 op->update_stats ();
2802
2803 op->statusmsg (format ("Your skin is now more resistant to %s!", change_resist_msg[i]));
2804 }
2805
2806 /* if this flesh contains a new ability focus, we mark it
2807 into the ability_force and it will take effect on next level */
2808 if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat) && meal->last_eat != abil->last_eat)
2809 {
2810 abil->last_eat = meal->last_eat; /* write: last_eat <new attnr focus> */
2811
2812 if (meal->last_eat != abil->stats.exp)
2813 op->statusmsg (format (
2814 "Your metabolism prepares to focus on %s!\n"
2815 "The change will happen at level %d.",
2816 change_resist_msg[meal->last_eat],
2817 abil->level + 1
2818 ));
2819 else
2820 {
2821 op->statusmsg (format ("Your metabolism will continue to focus on %s.", change_resist_msg[meal->last_eat]));
2822 abil->last_eat = 0;
2823 }
2824 }
2825
2826 return 1;
2827}
2828
2829/**
2830 * op eats food.
2831 * If player, takes care of messages and dragon special food.
2832 */
2833static void
2834apply_food (object *op, object *tmp)
2835{
2836 int capacity_remaining;
2837
2838 if (op->type != PLAYER)
2839 op->stats.hp = op->stats.maxhp;
2840 else
2841 {
2842 /* check if this is a dragon (player), eating some flesh */
2843 if (tmp->type == FLESH && op->is_dragon () && dragon_eat_flesh (op, tmp))
2844 ;
2845 else
2846 {
2847 /* usual case - no dragon meal: */
2848 if (op->stats.food + tmp->stats.food > MAX_FOOD)
2849 {
2850 if (tmp->type == FOOD || tmp->type == FLESH)
2851 op->failmsg ("You feel full, but what a waste of food!");
2852 else
2853 op->statusmsg ("Most of the drink goes down your face not your throat!");
2854 }
2855
2856 tmp->play_sound (
2857 tmp->sound
2858 ? tmp->sound
2859 : tmp->type == DRINK
2860 ? sound_find ("eat_drink")
2861 : sound_find ("eat_food")
2862 );
2863
2864 if (!tmp->flag [FLAG_CURSED])
2865 {
2866 const char *buf;
2867
2868 if (!op->is_dragon ())
2869 {
2870 /* eating message for normal players */
2871 if (tmp->type == DRINK)
2872 buf = format ("Ahhh...that %s tasted good.", &tmp->name);
2873 else
2874 buf = format ("The %s tasted %s", &tmp->name, tmp->type == FLESH ? "terrible!" : "good.");
2875 }
2876 else
2877 /* eating message for dragon players */
2878 buf = format ("The %s tasted terrible!", &tmp->name);
2879
2880 op->statusmsg (buf);
2881
2882 capacity_remaining = MAX_FOOD - op->stats.food;
2883 op->stats.food += tmp->stats.food;
2884 if (capacity_remaining < tmp->stats.food)
2885 op->stats.hp += capacity_remaining / 50;
2886 else
2887 op->stats.hp += tmp->stats.food / 50;
2888
2889 min_it (op->stats.hp, op->stats.maxhp);
2890 min_it (op->stats.food, MAX_FOOD);
2891 }
2892
2893 /* special food hack -b.t. */
2894 if (tmp->title || tmp->flag [FLAG_CURSED])
2895 eat_special_food (op, tmp);
2896 }
2897 }
2898
2899 handle_apply_yield (tmp);
2900 tmp->decrease ();
2901}
2902
2903/**
2904 * Handles applying an improve armor scroll.
2905 * Does some sanity checks, then calls improve_armour.
2906 */
2907static void
2908apply_armour_improver (object *op, object *tmp)
2909{
2910 if (!op->flag [FLAG_WIZCAST] && (get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_NO_MAGIC))
2911 {
2912 op->failmsg ("Something blocks the magic of the scroll. H<This area prevents magic effects.>");
2913 return;
2914 }
2915
2916 object *armor = op->mark ();
2917
2918 if (!armor)
2919 {
2920 op->failmsg ("You need to mark an armor object. Use the right mouse button popup or the mark command to do this.");
2921 return;
2922 }
2923
2924 if (armor->type != ARMOUR
2925 && armor->type != CLOAK
2926 && armor->type != BOOTS && armor->type != GLOVES && armor->type != BRACERS && armor->type != SHIELD && armor->type != HELMET)
2927 {
2928 op->failmsg ("Your marked item is not armour!\n");
2929 return;
2930 }
2931
2932 if (!op->apply (armor, AP_UNAPPLY))
2933 {
2934 op->failmsg ("You are unable to take off your armour to improve it!");
2935 return;
2936 }
2937
2938 op->statusmsg ("Applying armour enchantment.");
2939 improve_armour (op, tmp, armor);
2940}
2941
2942void
2943apply_poison (object *op, object *tmp)
2944{
2945 // need to do it now when it is still on the map
2946 handle_apply_yield (tmp);
2947
2948 object *poison = tmp->split (1);
2949
2950 if (op->type == PLAYER)
2951 {
2952 op->contr->play_sound (sound_find ("drink_poison"));
2953 op->failmsg ("Yech! That tasted poisonous!");
2954 op->contr->killer = poison;
2955 }
2956
2957 if (poison->stats.hp > 0)
2958 {
2959 LOG (llevDebug, "Trying to poison player/monster for %d hp\n", poison->stats.hp);
2960 hit_player (op, poison->stats.hp, tmp, AT_POISON, 1);
2961 }
2962
2963 op->stats.food -= op->stats.food / 4;
2964 poison->destroy ();
2965}
2966
2967/**
2968 * This function will try to apply a lighter and in case no lighter
2969 * is specified it will try to find a lighter in the players inventory,
2970 * and inform him about this requirement.
2971 *
2972 * who - the player
2973 * op - the item we want to light
2974 * lighter - the lighter or 0 if a lighter has yet to be found
2975 */
2976static object *
2977auto_apply_lighter (object *who, object *op, object *lighter)
2978{
2979 if (lighter == 0)
2980 {
2981 for (object *tmp = who->inv; tmp; tmp = tmp->below)
2982 {
2983 if (tmp->type == LIGHTER)
2984 {
2985 lighter = tmp;
2986 break;
2987 }
2988 }
2989
2990 if (!lighter)
2991 {
2992 who->failmsgf (
2993 "You can't light up the %s with your bare hands! "
2994 "H<You need a lighter in your inventory, for example a flint and steel.>",
2995 &op->name
2996 );
2997 return 0;
2998 }
2999 }
3000
3001 // last_eat == 0 means the lighter is not being used up!
3002 if (lighter->last_eat && lighter->stats.food)
3003 {
3004 /* lighter gets used up */
3005 lighter = lighter->split ();
3006 lighter->stats.food--;
3007 who->insert (lighter);
3008 }
3009 else if (lighter->last_eat)
3010 {
3011 /* no charges left in lighter */
3012 who->failmsgf (
3013 "You attempt to light the %s with a used up %s.",
3014 &op->name, &lighter->name
3015 );
3016 return 0;
3017 }
3018
3019 return lighter;
3020}
3021
3022/**
3023 * Designed primarily to light torches/lanterns/etc.
3024 * Also burns up burnable material too. First object in the inventory is
3025 * the selected object to "burn". -b.t.
3026 */
3027static void
3028apply_lighter (object *who, object *lighter)
3029{
3030 if (object *item = who->mark ())
3031 {
3032 if (!auto_apply_lighter (who, item, lighter))
3033 return;
3034
3035 /* Perhaps we should split what we are trying to light on fire?
3036 * I can't see many times when you would want to light multiple
3037 * objects at once.
3038 */
3039
3040 save_throw_object (item, AT_FIRE, who);
3041
3042 if (item->destroyed ()
3043 || ((item->type == LAMP || item->type == TORCH)
3044 && item->glow_radius > 0))
3045 who->statusmsg (format (
3046 "You light the %s with the %s.",
3047 &item->name, &lighter->name
3048 ));
3049 else
3050 who->failmsgf (
3051 "You attempt to light the %s with the %s and fail.",
3052 &item->name, &lighter->name
3053 );
3054 }
3055 else
3056 who->failmsg ("You need to mark a lightable object.");
3057}
3058
3059/**
3060 * This function generates a cursed effect for cursed lamps and torches.
3061 */
3062static void
3063player_apply_lamp_cursed_effect (object *who, object *op)
3064{
3065 if (op->level)
3066 {
3067 who->failmsgf (
3068 "The %s was cursed, it explodes in a big fireball!",
3069 &op->name
3070 );
3071 create_exploding_ball_at (who, op->level);
3072 }
3073 else
3074 {
3075 who->failmsgf (
3076 "The %s was cursed, it crumbles to dust, at least it didn't explode.!",
3077 &op->name
3078 );
3079 }
3080
3081 op->destroy ();
3082}
3083
3084/**
3085 * Apply for players and lamps
3086 *
3087 * who - the player
3088 * op - the lamp
3089 */
3090static void
3091player_apply_lamp (object *who, object *op)
3092{
3093 bool switch_on = op->glow_radius ? false : true;
3094
3095 if (switch_on)
3096 {
3097 object *lighter = 0;
3098
3099 if (op->flag [FLAG_IS_LIGHTABLE]
3100 && !(lighter = auto_apply_lighter (who, op, 0)))
3101 return;
3102
3103 if (op->stats.food < 1)
3104 {
3105 if (op->type == LAMP)
3106 who->failmsgf (
3107 "The %s is out of fuel! "
3108 "H<Lamps and similar items need fuel. They cannot be refilled.>",
3109 &op->name
3110 );
3111 else
3112 who->failmsgf (
3113 "The %s is burnt out! "
3114 "H<Torches and similar items burn out and become worthless.>",
3115 &op->name
3116 );
3117 return;
3118 }
3119
3120 if (op->flag [FLAG_CURSED])
3121 {
3122 player_apply_lamp_cursed_effect (who, op);
3123 return;
3124 }
3125
3126 if (lighter)
3127 who->statusmsg (format (
3128 "You light up the %s with the %s.", &op->name, &lighter->name));
3129 else
3130 who->statusmsg (format ("You light up the %s.", &op->name));
3131 }
3132 else
3133 {
3134 if (op->flag [FLAG_CURSED])
3135 {
3136 player_apply_lamp_cursed_effect (who, op);
3137 return;
3138 }
3139
3140 if (op->type == TORCH)
3141 {
3142 if (!op->flag [FLAG_IS_LIGHTABLE])
3143 {
3144 who->statusmsg (format (
3145 "You put out the %s. "
3146 "H<The %s can't be used anymore, as it can't be lighted up again.>",
3147 &op->name, &op->name));
3148 }
3149 else
3150 who->statusmsg (format (
3151 "You put out the %s."
3152 "H<Torches wear out if you put them out.>",
3153 &op->name));
3154 }
3155 else
3156 who->statusmsg (format ("You turn off the %s.", &op->name));
3157 }
3158
3159 apply_lamp (op, switch_on);
3160}
3161
3162void get_animation_from_arch (object *op, arch_ptr a)
3163{
3164 op->animation_id = a->animation_id;
3165 op->flag [FLAG_IS_TURNABLE] = a->flag [FLAG_IS_TURNABLE];
3166 op->flag [FLAG_ANIMATE] = a->flag [FLAG_ANIMATE];
3167 op->anim_speed = a->anim_speed;
3168 op->last_anim = 0;
3169 op->state = 0;
3170 op->face = a->face;
3171
3172 if (NUM_ANIMATIONS(op) > 1)
3173 {
3174 SET_ANIMATION(op, 0);
3175 animate_object (op, op->direction);
3176 }
3177 else
3178 update_object (op, UP_OBJ_FACE);
3179}
3180
3181/**
3182 * Apply for LAMPs and TORCHes.
3183 *
3184 * op - the lamp
3185 * switch_on - a flag which says whether the lamp should be switched on or off
3186 */
3187void apply_lamp (object *op, bool switch_on)
3188{
3189 op->set_glow_radius (switch_on ? op->range : 0);
3190 op->set_speed (switch_on ? op->arch->speed : 0);
3191
3192 // torches wear out if you put them out
3193 if (op->type == TORCH && !switch_on)
3194 {
3195 if (op->flag [FLAG_IS_LIGHTABLE])
3196 {
3197 op->stats.food -= (double) op->arch->stats.food / 15;
3198 if (op->stats.food < 0)
3199 op->stats.food = 0;
3200 }
3201 else
3202 op->stats.food = 0;
3203 }
3204
3205 // lamps and torched get worthless when used up
3206 if (op->stats.food <= 0)
3207 op->value = 0;
3208
3209 // FIXME: This is a hack to make the more sane torches and lamps
3210 // still animated ;-/
3211 if (op->other_arch)
3212 get_animation_from_arch (op, switch_on ? op->other_arch : op->arch);
3213
3214 if (object *pl = op->visible_to ())
3215 esrv_update_item (UPD_ANIM | UPD_FACE | UPD_NAME, pl, op);
3216}
3217
3218/**
3219 * This handles items of type 'transformer'.
3220 * Basically those items, used with a marked item, transform both items into something
3221 * else.
3222 * "Transformer" item has food decreased by 1, removed if 0 (0 at start means illimited)..
3223 * Change information is contained in the 'slaying' field of the marked item.
3224 * The format is as follow: transformer:[number ]yield[;transformer:...].
3225 * This way an item can be transformed in many things, and/or many objects.
3226 * The 'slaying' field for transformer is used as verb for the action.
3227 */
3228static void
3229apply_item_transformer (object *pl, object *transformer)
3230{
3231 object *new_item;
3232 const char *find;
3233 char *separator;
3234 int yield;
3235 char got[MAX_BUF];
3236 int len;
3237
3238 if (!pl || !transformer)
3239 return;
3240
3241 object *marked = pl->mark ();
3242
3243 if (!marked)
3244 {
3245 pl->failmsgf ("Use the %s with what item?", query_name (transformer));
3246 return;
3247 }
3248
3249 if (!marked->slaying)
3250 {
3251 pl->failmsgf ("You can't use the %s with your %s!", query_name (transformer), query_name (marked));
3252 return;
3253 }
3254
3255 /* check whether they are compatible or not */
3256 find = strstr (&marked->slaying, transformer->arch->archname);
3257 if (!find || (*(find + strlen (transformer->arch->archname)) != ':'))
3258 {
3259 pl->failmsgf ("You can't use the %s with your %s!", query_name (transformer), query_name (marked));
3260 return;
3261 }
3262
3263 find += strlen (transformer->arch->archname) + 1;
3264 /* Item can be used, now find how many and what it yields */
3265 if (isdigit (*(find)))
3266 {
3267 yield = atoi (find);
3268 if (yield < 1)
3269 {
3270 LOG (llevDebug, "apply_item_transformer: item %s has slaying-yield %d.", query_base_name (marked, 0), yield);
3271 yield = 1;
3272 }
3273 }
3274 else
3275 yield = 1;
3276
3277 while (isdigit (*find))
3278 find++;
3279
3280 while (*find == ' ')
3281 find++;
3282
3283 memset (got, 0, MAX_BUF);
3284
3285 if ((separator = (char *) strchr (find, ';')))
3286 len = separator - find;
3287 else
3288 len = strlen (find);
3289
3290 min_it (len, MAX_BUF - 1);
3291
3292 strcpy (got, find);
3293 got[len] = '\0';
3294
3295 /* Now create new item, remove used ones when required. */
3296 new_item = archetype::get (got);
3297 if (!new_item)
3298 {
3299 pl->failmsgf ("This %s is strange, better to not use it.", query_base_name (marked, 0));
3300 return;
3301 }
3302
3303 new_item->nrof = yield;
3304
3305 pl->statusmsg (format ("You %s the %s.", &transformer->slaying, query_base_name (marked, 0)));
3306
3307 pl->insert (new_item);
3308 /* Eat up one item */
3309 marked->decrease ();
3310
3311 /* Eat one transformer if needed */
3312 if (transformer->stats.food)
3313 if (--transformer->stats.food == 0)
3314 transformer->decrease ();
3315}
3316
3317/**
3318 * Main apply handler.
3319 *
3320 * Checks for unpaid items before applying.
3321 *
3322 * Return value is currently not used
3323 *
3324 * who is the object that is causing object to be applied, op is the object
3325 * being applied.
3326 *
3327 * aflag is special (always apply/unapply) flags. Nothing is done with
3328 * them in this function - they are passed to apply_special
3329 */
3330static bool
3331manual_apply (object *who, object *op, int aflag)
3332{
3333 if (INVOKE_OBJECT (APPLY, op, ARG_OBJECT (who)))
3334 return RESULT_INT (0);
3335 else if (apply_types_inv_only [op->type])
3336 {
3337 // special item, using slot system, needs to be in inv
3338 if (op->env == who)
3671 return apply_special (who, op, aflags); 3339 return apply_special (who, op, aflag);
3340
3341 who->failmsgf ("You must get it first! H<You can only apply the %s if it is in your inventory.>\n", query_name (op));
3342 }
3343 else if (!who->contr && apply_types_player_only [op->type])
3344 return 0; // monsters shouldn't try to apply player-only stuff
3345 else if (apply_types [op->type])
3346 {
3347 // ordinary stuff, may be on the floor
3348 switch (op->type)
3349 {
3350 case T_HANDLE:
3351 who->play_sound (sound_find ("turn_handle"));
3352 who->statusmsg ("You turn the handle.");
3353 op->value = op->value ? 0 : 1;
3354 SET_ANIMATION (op, op->value);
3355 update_object (op, UP_OBJ_FACE);
3356 push_button (op, who);
3357 break;
3358
3359 case TRIGGER:
3360 if (check_trigger (op, who, who))
3361 {
3362 who->statusmsg ("You turn the handle.");
3363 who->play_sound (sound_find ("turn_handle"));
3364 }
3365 else
3366 who->failmsg ("The handle doesn't move.");
3367
3368 break;
3369
3370 case EXIT:
3371 if (!EXIT_PATH (op))
3372 who->failmsgf ("The %s is closed. H<This exit doesn't lead anywhere at the moment, and this is unlikely to change.>", query_name (op));
3373 else
3374 {
3375 /* Don't display messages for random maps. */
3376 if (op->msg && EXIT_PATH (op) != shstr_random_map_exit)
3377 who->statusmsg (op->msg, NDI_NAVY);
3378
3379 who->enter_exit (op);
3380 }
3381
3382 break;
3383
3384 case INSCRIBABLE:
3385 who->statusmsg (op->msg);
3386 // maybe show a spell menu to chose from or something like that
3387 break;
3388
3389 case SIGN:
3390 apply_sign (who, op, 0);
3391 break;
3392
3393 case BOOK:
3394 apply_book (who, op);
3395 break;
3396
3397 case SKILLSCROLL:
3398 apply_skillscroll (who, op);
3399 break;
3400
3401 case SPELLBOOK:
3402 apply_spellbook (who, op);
3403 break;
3404
3405 case SCROLL:
3406 apply_scroll (who, op, 0);
3407 break;
3408
3409 case POTION:
3410 apply_potion (who, op);
3411 break;
3412
3413 /* Eneq(@csd.uu.se): Handle apply on containers. */
3414 //TODO: remove, as it is unsed?
3415 case CLOSE_CON:
3416 apply_container (who, op->env);
3417 break;
3418
3419 case CONTAINER:
3420 apply_container (who, op);
3421 break;
3422
3423 case TREASURE:
3424 apply_treasure (who, op);
3425 break;
3426
3427 case LAMP:
3428 case TORCH:
3429 player_apply_lamp (who, op);
3430 break;
3431
3432 case DRINK:
3433 case FOOD:
3434 case FLESH:
3435 apply_food (who, op);
3436 break;
3437
3438 case POISON:
3439 apply_poison (who, op);
3440 break;
3441
3442 case SAVEBED:
3443 break;
3444
3445 case ARMOUR_IMPROVER:
3446 apply_armour_improver (who, op);
3447 break;
3448
3449 case WEAPON_IMPROVER:
3450 check_improve_weapon (who, op);
3451 break;
3452
3453 case CLOCK:
3454 {
3455 timeofday_t tod;
3456
3457 get_tod (&tod);
3458 who->play_sound (sound_find ("sound_clock"));
3459 who->statusmsg (format (
3460 "It is %d minute%s past %d o'clock %s",
3461 tod.minute + 1, ((tod.minute + 1 < 2) ? "" : "s"),
3462 ((tod.hour % 14 == 0) ? 14 : ((tod.hour) % 14)), ((tod.hour >= 14) ? "pm" : "am")
3463 ));
3464 }
3465 break;
3466
3467 case MENU:
3468 shop_listing (op, who);
3469 break;
3470
3471 case POWER_CRYSTAL:
3472 apply_power_crystal (who, op); /* see egoitem.c */
3473 break;
3474
3475 case LIGHTER: /* for lighting torches/lanterns/etc */
3476 apply_lighter (who, op);
3477 break;
3478
3479 case ITEM_TRANSFORMER:
3480 apply_item_transformer (who, op);
3481 break;
3482 }
3483
3484 return 1;
3485 }
3486 else
3487 {
3488 who->statusmsg (format ("I don't know how to apply the %s. H<This object cannot be applied.>", query_name (op)));
3489 return 0;
3490 }
3491}
3492
3493/**
3494 * player_apply_below attempts to apply the object 'below' the player.
3495 * If the player has an open container, we use that for below, otherwise
3496 * we use the ground.
3497 */
3498void
3499player_apply_below (object *pl)
3500{
3501 object *top = pl->container_ () ? pl->container_ ()->inv : pl->below;
3502
3503 /* If using a container, set the starting item to be the top
3504 * item in the container. Otherwise, use the map.
3505 */
3506
3507 // first try to apply "applyables"
3508 for (object *tmp = top; tmp; tmp = tmp->below)
3509 if (!tmp->invisible && apply_types [tmp->type])
3510 {
3511 // If it is visible, player can apply it.
3512 pl->apply (tmp);
3513 return;
3514 }
3515
3516 while (top && top->invisible)
3517 top = top->below;
3518
3519 if (!top || top->flag [FLAG_IS_FLOOR])
3520 pl->failmsg ("You inspect this space, but find no way to apply anything. "
3521 "H<There is nothing here that you can apply.>");
3522 else
3523 // next, try to explain the topmost object
3524 switch (top->type)
3525 {
3526 // TODO: all this should move to examine
3527 case ALTAR:
3528 case IDENTIFY_ALTAR:
3529 case TRIGGER_ALTAR:
3530 case CONVERTER:
3531 //case TRIGGER_PEDESTAL:
3532 pl->failmsgf (
3533 "You see no obvious mechanism on the %s."
3534 "H<You have to drop one or more specific items here.>",
3535 query_short_name (top)
3536 );
3537 break;
3538
3539 case BUTTON:
3540 case TRIGGER_BUTTON:
3541 pl->failmsgf (
3542 "The %s looks as if you could activate it with somehting heavy. "
3543 "H<You must put enough items here to activate it.>",
3544 query_short_name (top)
3545 );
3546 break;
3547
3548 default:
3549 examine (pl, top);
3550 break;
3551 }
3552}
3553
3554// saner interface, returns successful status
3555bool
3556object::apply (object *ob, int aflags)
3557{
3558 if (!ob) // simplifies a lot of callers
3559 return true;
3560
3561 ob = ob->head_ ();
3562
3563 if (ob->flag [FLAG_UNPAID] && !ob->flag [FLAG_APPLIED])
3564 {
3565 if (contr)
3566 {
3567 examine (this, ob);
3568 //who->failmsg ("You should pay for it first! H<You cannot use items marked as unpaid.>");//TODO remove
3569 return 1;
3570 }
3571 else
3572 return 0; /* monsters just skip unpaid items */
3573 }
3574
3575 if (contr)
3576 {
3577 if (!ob->env && (move_type & MOVE_FLYING))
3578 {
3579 /* player is flying and applying object not in inventory */
3580 if (!flag [FLAG_WIZ] && !(ob->move_type & MOVE_FLYING))
3581 {
3582 failmsg ("But you are floating high above the ground! "
3583 "H<You have to stop levitating first, if you can, either by using your levitation skill, "
3584 "or waiting till the levitation effect wears off.>");
3585 return 0;
3586 }
3587 }
3588
3589 contr->last_used = ob;
3590 }
3591
3592 bool want_apply =
3593 aflags & AP_APPLY ? true
3594 : aflags & AP_UNAPPLY ? false
3595 : !ob->flag [FLAG_APPLIED]; // AP_TOGGLE
3596
3597 // cannot unapply cursed items
3598 if (!want_apply
3599 && (ob->flag [FLAG_CURSED] || ob->flag [FLAG_DAMNED])
3600 && ob->flag [FLAG_APPLIED]
3601 && !(aflags & AP_IGNORE_CURSE))
3602 {
3603 failmsgf ("No matter how hard you try, you just can't remove %s." CANNOT_REMOVE_CURSED, ob->query_name ());
3604 return 0;
3605 }
3606
3607 object_ptr *slot = 0;
3608
3609 // detect the slot, if this is a player
3610 if (contr && !(aflags & AP_NO_SLOT))
3611 {
3612 object *oslot;
3613
3614 switch (ob->type)
3615 {
3616 case WEAPON:
3617 slot = &contr->combat_ob;
3618 oslot = contr->ranged_ob;
3619 break;
3620
3621 case RANGED:
3622 case BOW:
3623 case SPELL:
3624 case WAND:
3625 case ROD:
3626 case HORN:
3627 case BUILDER:
3628 slot = &contr->ranged_ob;
3629 oslot = contr->combat_ob;
3630 break;
3631
3632 // oh, the humanity
3633 case SKILL:
3634 // skill is used on it's own, as opposed to being a chosen_skill
3635
3636 if (skill_flags [ob->subtype] & (SF_NEED_ITEM | SF_MANA))
3637 {
3638 failmsgf (
3639 "You feel as if you wanted to do something funny, but you can't remember what. "
3640 "H<The %s skill needs something else to function, for example a tool, weapon, rod, or spell. "
3641 "It cannot be used on its own.>",
3642 &ob->skill
3643 );
3644 return 1;
3645 }
3646
3647 if (skill_flags [ob->subtype] & SF_AUTARK
3648 || !(skill_flags [ob->subtype] & (SF_COMBAT | SF_RANGED)))
3649 {
3650 if (skill_flags [ob->subtype] & SF_USE)
3651 failmsgf (
3652 "You feel as if you wanted to do something funny, but you can't remember what. "
3653 "H<The %s skill cannot be readied, instead, try C<use_skill %s>.>",
3654 &ob->skill, &ob->skill
3655 );
3656 else
3657 failmsgf (
3658 "You feel as if you wanted to do something funny, but you can't remember what. "
3659 "H<The %s skill cannot be readied or used, it is always active.>",
3660 &ob->skill
3661 );
3662
3663 return 1;
3664 }
3665
3666 if (skill_flags [ob->subtype] & SF_NEED_ITEM)
3667 break;
3668
3669 if (skill_flags [ob->subtype] & SF_COMBAT)
3670 {
3671 slot = &contr->combat_ob;
3672 oslot = contr->ranged_ob;
3673 }
3674 else if (skill_flags [ob->subtype] & SF_RANGED)
3675 {
3676 slot = &contr->ranged_ob;
3677 oslot = contr->combat_ob;
3678 }
3679
3680 break;
3681 }
3682
3683 // now handle slot exclusions
3684 if (slot)
3685 {
3686 // only one slot can be active
3687 if (want_apply)
3688 {
3689 // clear slot unless we are in it already
3690 if (*slot != ob)
3691 if (!apply (*slot, AP_UNAPPLY))
3692 return false;
3693
3694 // unapply other slot, because we want to become active
3695 if (!apply (oslot, AP_UNAPPLY))
3696 return false;
3697 }
3698
3699 // clear item from slot if applied
3700 if (!want_apply && current_weapon == ob)
3701 current_weapon = 0;
3702 }
3703 }
3704
3705 if (ob->flag [FLAG_APPLIED] != want_apply)
3706 manual_apply (this, ob, aflags);
3707
3708 if (ob->flag [FLAG_APPLIED] != want_apply)
3709 return false;
3710
3711 if (slot && want_apply)
3712 current_weapon = *slot = ob;
3713
3714 return true;
3672} 3715}
3673 3716
3674/** 3717/**
3675 * Map was just loaded, handle op's initialisation. 3718 * Map was just loaded, handle op's initialisation.
3676 * 3719 *
3677 * Generates shop floor's item, and treasures. 3720 * Generates shop floor's item, and treasures.
3678 */ 3721 */
3679int 3722int
3680auto_apply (object *op) 3723auto_apply (object *op)
3681{ 3724{
3682 object *tmp = NULL, *tmp2; 3725 object *tmp = NULL;
3683 int i; 3726 int i;
3684 3727
3685 CLEAR_FLAG (op, FLAG_AUTO_APPLY); 3728 op->clr_flag (FLAG_AUTO_APPLY);
3686 3729
3687 switch (op->type) 3730 switch (op->type)
3688 { 3731 {
3689 case SHOP_FLOOR: 3732 case SHOP_FLOOR:
3690 if (!op->has_random_items ()) 3733 if (!op->has_random_items ())
… …
3700 == NULL && --i); 3743 == NULL && --i);
3701 3744
3702 if (tmp == NULL) 3745 if (tmp == NULL)
3703 return 0; 3746 return 0;
3704 3747
3705 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED)) 3748 if (tmp->flag [FLAG_CURSED] || tmp->flag [FLAG_DAMNED])
3706 { 3749 {
3707 tmp->destroy (); 3750 tmp->destroy ();
3708 tmp = NULL; 3751 tmp = NULL;
3709 } 3752 }
3710 } 3753 }
3711 while (!tmp); 3754 while (!tmp);
3712 3755
3713 tmp->x = op->x; 3756 tmp->x = op->x;
3714 tmp->y = op->y; 3757 tmp->y = op->y;
3715 SET_FLAG (tmp, FLAG_UNPAID); 3758 tmp->set_flag (FLAG_UNPAID);
3716 insert_ob_in_map (tmp, op->map, NULL, 0); 3759 insert_ob_in_map (tmp, op->map, NULL, 0);
3717 identify (tmp); 3760 identify (tmp);
3718 break; 3761 break;
3719 3762
3720 case TREASURE: 3763 case TREASURE:
3721 if (QUERY_FLAG (op, FLAG_IS_A_TEMPLATE)) 3764 if (op->flag [FLAG_IS_A_TEMPLATE])
3722 return 0; 3765 return 0;
3723 3766
3724 while (op->stats.hp-- > 0) 3767 while (op->stats.hp-- > 0)
3725 create_treasure (op->randomitems, op, op->map ? GT_ENVIRONMENT : 0, 3768 create_treasure (op->randomitems, op, op->map ? GT_ENVIRONMENT : 0,
3726 op->stats.exp ? (int) op->stats.exp : op->map == NULL ? 14 : op->map->difficulty, 0); 3769 op->stats.exp ? (int) op->stats.exp : op->map == NULL ? 14 : op->map->difficulty, 0);
… …
3764 3807
3765 for (invtmp = tmp->inv; invtmp; invtmp = invnext) 3808 for (invtmp = tmp->inv; invtmp; invtmp = invnext)
3766 { 3809 {
3767 invnext = invtmp->below; 3810 invnext = invtmp->below;
3768 3811
3769 if (QUERY_FLAG (invtmp, FLAG_AUTO_APPLY)) 3812 if (invtmp->flag [FLAG_AUTO_APPLY])
3770 auto_apply (invtmp); 3813 auto_apply (invtmp);
3771 else if (invtmp->type == TREASURE && invtmp->has_random_items ()) 3814 else if (invtmp->type == TREASURE && invtmp->has_random_items ())
3772 { 3815 {
3773 while (invtmp->stats.hp-- > 0) 3816 while (invtmp->stats.hp-- > 0)
3774 create_treasure (invtmp->randomitems, invtmp, 0, difficulty, 0); 3817 create_treasure (invtmp->randomitems, invtmp, 0, difficulty, 0);
… …
3783 * treasure again for this object 3826 * treasure again for this object
3784 */ 3827 */
3785 invtmp->randomitems = NULL; 3828 invtmp->randomitems = NULL;
3786 } 3829 }
3787 } 3830 }
3831
3788 /* This is really temporary - the code at the bottom will 3832 /* This is really temporary - the code at the bottom will
3789 * also set randomitems to null. The problem is there are bunches 3833 * also set randomitems to null. The problem is there are bunches
3790 * of maps/players already out there with items that have spells 3834 * of maps/players already out there with items that have spells
3791 * which haven't had the randomitems set to null yet. 3835 * which haven't had the randomitems set to null yet.
3792 * MSW 2004-05-13 3836 * MSW 2004-05-13
… …
3796 * Ryo 2004-08-16 3840 * Ryo 2004-08-16
3797 */ 3841 */
3798 if (tmp->type == WAND || tmp->type == ROD || tmp->type == SCROLL 3842 if (tmp->type == WAND || tmp->type == ROD || tmp->type == SCROLL
3799 || tmp->type == HORN || tmp->type == FIREWALL || tmp->type == POTION || tmp->type == ALTAR || tmp->type == SPELLBOOK) 3843 || tmp->type == HORN || tmp->type == FIREWALL || tmp->type == POTION || tmp->type == ALTAR || tmp->type == SPELLBOOK)
3800 tmp->randomitems = NULL; 3844 tmp->randomitems = NULL;
3801
3802 } 3845 }
3803 3846
3804 if (QUERY_FLAG (tmp, FLAG_AUTO_APPLY)) 3847 if (tmp->flag [FLAG_AUTO_APPLY])
3805 auto_apply (tmp); 3848 auto_apply (tmp);
3806 else if ((tmp->type == TREASURE || (tmp->type == CONTAINER)) && tmp->has_random_items ()) 3849 else if ((tmp->type == TREASURE || (tmp->type == CONTAINER)) && tmp->has_random_items ())
3807 { 3850 {
3808 while ((tmp->stats.hp--) > 0) 3851 while ((tmp->stats.hp--) > 0)
3809 create_treasure (tmp->randomitems, tmp, 0, difficulty, 0); 3852 create_treasure (tmp->randomitems, tmp, 0, difficulty, 0);
… …
3811 } 3854 }
3812 else if (tmp->type == TIMED_GATE) 3855 else if (tmp->type == TIMED_GATE)
3813 { 3856 {
3814 object *head = tmp->head != NULL ? tmp->head : tmp; 3857 object *head = tmp->head != NULL ? tmp->head : tmp;
3815 3858
3816 if (QUERY_FLAG (head, FLAG_IS_LINKED)) 3859 if (head->flag [FLAG_IS_LINKED])
3817 tmp->set_speed (0); 3860 tmp->set_speed (0);
3818 } 3861 }
3819 /* This function can be called everytime a map is loaded, even when 3862 /* This function can be called everytime a map is loaded, even when
3820 * swapping back in. As such, we don't want to create the treasure 3863 * swapping back in. As such, we don't want to create the treasure
3821 * over and ove again, so after we generate the treasure, blank out 3864 * over and ove again, so after we generate the treasure, blank out
… …
3839 } 3882 }
3840 3883
3841 for (mapspace *ms = spaces + size (); ms-- > spaces; ) 3884 for (mapspace *ms = spaces + size (); ms-- > spaces; )
3842 for (object *tmp = ms->bot; tmp; tmp = tmp->above) 3885 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
3843 if (tmp->above && (tmp->type == TRIGGER_BUTTON || tmp->type == TRIGGER_PEDESTAL)) 3886 if (tmp->above && (tmp->type == TRIGGER_BUTTON || tmp->type == TRIGGER_PEDESTAL))
3844 check_trigger (tmp, tmp->above); 3887 check_trigger (tmp, tmp->above, tmp->above);
3845} 3888}
3846 3889
3847/** 3890/**
3848 * Handles player eating food that temporarily changes status (resistances, stats). 3891 * Handles player eating food that temporarily changes status (resistances, stats).
3849 * This used to call cast_change_attr(), but 3892 * This used to call cast_change_attr(), but
… …
3854eat_special_food (object *who, object *food) 3897eat_special_food (object *who, object *food)
3855{ 3898{
3856 object *force; 3899 object *force;
3857 int i, did_one = 0; 3900 int i, did_one = 0;
3858 3901
3859 force = get_archetype (FORCE_NAME); 3902 char buf[64];
3903 snprintf (buf, sizeof(buf), "sp_food_%s", &food->title);
3904 shstr key (buf);
3860 3905
3861 for (i = 0; i < NUM_STATS; i++)
3862 if (sint8 k = food->stats.stat (i))
3863 {
3864 force->stats.stat (i) = k;
3865 did_one = 1;
3866 }
3867
3868 /* check if we can protect the eater */
3869 for (i = 0; i < NROFATTACKS; i++)
3870 {
3871 if (food->resist[i] > 0)
3872 {
3873 force->resist[i] = food->resist[i] / 2;
3874 did_one = 1;
3875 }
3876 }
3877
3878 if (did_one)
3879 {
3880 force->set_speed (0.1);
3881 /* bigger morsel of food = longer effect time */ 3906 /* bigger morsel of food = longer effect time */
3882 force->duration = food->stats.food / 5; 3907 int duration = TIME2TICK (food->stats.food);
3883 SET_FLAG (force, FLAG_APPLIED); 3908
3884 change_abil (who, force); 3909 if (force = who->force_find (key))
3885 insert_ob_in_ob (force, who); 3910 {
3911 if (duration > fabs (force->speed_left / force->speed))
3912 {
3913 new_draw_info_format (NDI_UNIQUE, 0, who, "More magical force spreads through you. H<The effect will last for about %.10g more seconds.>", TICK2TIME (duration));
3914 force->force_set_timer (duration);
3915 }
3916 else
3917 new_draw_info (NDI_UNIQUE, 0, who, "It had no additional effect.");
3918
3919 return;
3886 } 3920 }
3887 else 3921 else
3922 {
3923 force = who->force_add (key, duration);
3924 force->name = key;
3925
3926 /* check if the food affects a stat */
3927 for (i = 0; i < NUM_STATS; i++)
3928 if (sint8 k = food->stats.stat (i))
3929 {
3930 force->stats.stat (i) = k;
3931 did_one = 1;
3932 }
3933
3934 /* check if we can protect the eater */
3935 for (i = 0; i < NROFATTACKS; i++)
3936 {
3937 if (food->resist[i] > 0)
3938 {
3939 force->resist[i] = food->resist[i];
3940 did_one = 1;
3941 }
3942 }
3943
3944 if (did_one)
3945 {
3946 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));
3947
3948 /* make the force take effect and report effects to user */
3949 change_abil (who, force);
3950 }
3951 else
3888 force->destroy (); 3952 force->destroy ();
3953 }
3889 3954
3890 /* check for hp, sp change */ 3955 /* check for hp, sp change */
3891 if (food->stats.hp != 0) 3956 if (food->stats.hp != 0)
3892 { 3957 {
3893 if (QUERY_FLAG (food, FLAG_CURSED)) 3958 if (food->flag [FLAG_CURSED])
3894 { 3959 {
3895 who->contr->killer = food; 3960 who->contr->killer = food;
3896 hit_player (who, food->stats.hp, food, AT_POISON, 1); 3961 hit_player (who, food->stats.hp, food, AT_POISON, 1);
3897 who->failmsg ("Eck!...that was poisonous!"); 3962 who->failmsg ("Eck!...that was poisonous!");
3898 } 3963 }
… …
3907 } 3972 }
3908 } 3973 }
3909 3974
3910 if (food->stats.sp != 0) 3975 if (food->stats.sp != 0)
3911 { 3976 {
3912 if (QUERY_FLAG (food, FLAG_CURSED)) 3977 if (food->flag [FLAG_CURSED])
3913 { 3978 {
3914 who->failmsg ("You are drained of mana!"); 3979 who->failmsg ("You are drained of mana!");
3915 who->stats.sp -= food->stats.sp; 3980 who->stats.sp -= food->stats.sp;
3916 if (who->stats.sp < 0) 3981 if (who->stats.sp < 0)
3917 who->stats.sp = 0; 3982 who->stats.sp = 0;
… …
3923 /* place limit on max sp from food? */ 3988 /* place limit on max sp from food? */
3924 } 3989 }
3925 } 3990 }
3926 3991
3927 who->update_stats (); 3992 who->update_stats ();
3928}
3929
3930
3931/**
3932 * op made some mistake with a scroll, this takes care of punishment.
3933 * scroll_failure()- hacked directly from spell_failure
3934 */
3935void
3936scroll_failure (object *op, int failure, int power)
3937{
3938 if (abs (failure / 4) > power)
3939 power = abs (failure / 4); /* set minimum effect */
3940
3941 if (failure <= -1 && failure > -15)
3942 { /* wonder */
3943 object *tmp;
3944
3945 op->failmsg ("Your spell warps!");
3946 tmp = get_archetype (SPELL_WONDER);
3947 cast_wonder (op, op, 0, tmp);
3948 tmp->destroy ();
3949 }
3950 else if (failure <= -15 && failure > -35)
3951 { /* drain mana */
3952 op->failmsg ("Your mana is drained!");
3953 op->stats.sp -= random_roll (0, power - 1, op, PREFER_LOW);
3954 if (op->stats.sp < 0)
3955 op->stats.sp = 0;
3956 }
3957 else if (settings.spell_failure_effects == TRUE)
3958 {
3959 if (failure <= -35 && failure > -60)
3960 { /* confusion */
3961 op->failmsg ("The magic recoils on you!");
3962 confuse_player (op, op, power);
3963 }
3964 else if (failure <= -60 && failure > -70)
3965 { /* paralysis */
3966 op->failmsg ("The magic recoils and paralyzes you!");
3967 paralyze_player (op, op, power);
3968 }
3969 else if (failure <= -70 && failure > -80)
3970 { /* blind */
3971 op->failmsg ("The magic recoils on you!");
3972 blind_player (op, op, power);
3973 }
3974 else if (failure <= -80)
3975 { /* blast the immediate area */
3976 object *tmp = get_archetype (LOOSE_MANA);
3977 cast_magic_storm (op, tmp, power);
3978 op->failmsg ("You unleash uncontrolled mana!");
3979 tmp->destroy ();
3980 }
3981 }
3982} 3993}
3983 3994
3984void 3995void
3985apply_changes_to_player (object *pl, object *change) 3996apply_changes_to_player (object *pl, object *change)
3986{ 3997{
… …
4054 pl->animation_id = change->animation_id; 4065 pl->animation_id = change->animation_id;
4055 pl->flag [FLAG_ANIMATE] = change->flag [FLAG_ANIMATE]; 4066 pl->flag [FLAG_ANIMATE] = change->flag [FLAG_ANIMATE];
4056 } 4067 }
4057 4068
4058 /* check the special case of can't use weapons */ 4069 /* check the special case of can't use weapons */
4059 /*if(QUERY_FLAG(change,FLAG_USE_WEAPON)) CLEAR_FLAG(pl,FLAG_USE_WEAPON); */ 4070 /*if(change->flag [FLAG_USE_WEAPON]) pl->clr_flag (FLAG_USE_WEAPON); */
4060 if (change->name == shstr_monk) 4071 if (change->name == shstr_monk)
4061 CLEAR_FLAG (pl, FLAG_USE_WEAPON); 4072 pl->clr_flag (FLAG_USE_WEAPON);
4062 4073
4063 break; 4074 break;
4064 } 4075 }
4065 } 4076 }
4066} 4077}
4067 4078
4068/**
4069 * This handles items of type 'transformer'.
4070 * Basically those items, used with a marked item, transform both items into something
4071 * else.
4072 * "Transformer" item has food decreased by 1, removed if 0 (0 at start means illimited)..
4073 * Change information is contained in the 'slaying' field of the marked item.
4074 * The format is as follow: transformer:[number ]yield[;transformer:...].
4075 * This way an item can be transformed in many things, and/or many objects.
4076 * The 'slaying' field for transformer is used as verb for the action.
4077 */
4078void
4079apply_item_transformer (object *pl, object *transformer)
4080{
4081 object *marked;
4082 object *new_item;
4083 char *find;
4084 char *separator;
4085 int yield;
4086 char got[MAX_BUF];
4087 int len;
4088
4089 if (!pl || !transformer)
4090 return;
4091
4092 marked = find_marked_object (pl);
4093
4094 if (!marked)
4095 {
4096 pl->failmsg (format ("Use the %s with what item?", query_name (transformer)));
4097 return;
4098 }
4099
4100 if (!marked->slaying)
4101 {
4102 pl->failmsg (format ("You can't use the %s with your %s!", query_name (transformer), query_name (marked)));
4103 return;
4104 }
4105
4106 /* check whether they are compatible or not */
4107 find = strstr (&marked->slaying, transformer->arch->archname);
4108 if (!find || (*(find + strlen (transformer->arch->archname)) != ':'))
4109 {
4110 pl->failmsg (format ("You can't use the %s with your %s!", query_name (transformer), query_name (marked)));
4111 return;
4112 }
4113
4114 find += strlen (transformer->arch->archname) + 1;
4115 /* Item can be used, now find how many and what it yields */
4116 if (isdigit (*(find)))
4117 {
4118 yield = atoi (find);
4119 if (yield < 1)
4120 {
4121 LOG (llevDebug, "apply_item_transformer: item %s has slaying-yield %d.", query_base_name (marked, 0), yield);
4122 yield = 1;
4123 }
4124 }
4125 else
4126 yield = 1;
4127
4128 while (isdigit (*find))
4129 find++;
4130
4131 while (*find == ' ')
4132 find++;
4133
4134 memset (got, 0, MAX_BUF);
4135
4136 if ((separator = strchr (find, ';')) != NULL)
4137 len = separator - find;
4138 else
4139 len = strlen (find);
4140
4141 if (len > MAX_BUF - 1)
4142 len = MAX_BUF - 1;
4143
4144 strcpy (got, find);
4145 got[len] = '\0';
4146
4147 /* Now create new item, remove used ones when required. */
4148 new_item = get_archetype (got);
4149 if (!new_item)
4150 {
4151 pl->failmsg (format ("This %s is strange, better to not use it.", query_base_name (marked, 0)));
4152 return;
4153 }
4154
4155 new_item->nrof = yield;
4156
4157 pl->statusmsg (format ("You %s the %s.", &transformer->slaying, query_base_name (marked, 0)));
4158
4159 pl->insert (new_item);
4160 /* Eat up one item */
4161 marked->decrease ();
4162
4163 /* Eat one transformer if needed */
4164 if (transformer->stats.food)
4165 if (--transformer->stats.food == 0)
4166 transformer->decrease ();
4167}
4168

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