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Comparing deliantra/server/server/apply.C (file contents):
Revision 1.142 by root, Sun Apr 13 20:21:50 2008 UTC vs.
Revision 1.245 by root, Tue Apr 6 03:53:29 2010 UTC

1/* 1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992 Frank Tore Johansen
7 * 7 *
8 * Deliantra is free software: you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * it under the terms of the GNU General Public License as published by 9 * the terms of the Affero GNU General Public License as published by the
10 * the Free Software Foundation, either version 3 of the License, or 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * (at your option) any later version. 11 * option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 16 * GNU General Public License for more details.
17 * 17 *
18 * You should have received a copy of the GNU General Public License 18 * You should have received a copy of the Affero GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. 19 * and the GNU General Public License along with this program. If not, see
20 * <http://www.gnu.org/licenses/>.
20 * 21 *
21 * The authors can be reached via e-mail to <support@deliantra.net> 22 * The authors can be reached via e-mail to <support@deliantra.net>
22 */ 23 */
23 24
24#include <cmath> 25#include <cmath>
… …
29#include <skills.h> 30#include <skills.h>
30#include <tod.h> 31#include <tod.h>
31 32
32#include <sproto.h> 33#include <sproto.h>
33 34
34/* Want this regardless of rplay. */ 35typedef bitset<NUM_TYPES> types_t;
35#include <sounds.h>
36 36
37/** 37// these must be in the inventory before they can be applied
38 * Check if op should abort moving victim because of it's race or slaying.
39 * Returns 1 if it should abort, returns 0 if it should continue.
40 */
41int
42should_director_abort (object *op, object *victim)
43{
44 int arch_flag, name_flag, race_flag;
45 38
46 /* Get flags to determine what of arch, name, and race should be checked. 39static const struct may_attempt_inv : types_t
47 * This is stored in subtype, and is a bitmask, the LSB is the arch flag, 40{
48 * the next is the name flag, and the last is the race flag. Also note, 41 may_attempt_inv ()
49 * if subtype is set to zero, that also goes to defaults of all affecting
50 * it. Examples:
51 * subtype 1: only arch
52 * subtype 3: arch or name
53 * subtype 5: arch or race
54 * subtype 7: all three
55 */
56 if (op->subtype)
57 { 42 {
58 arch_flag = (op->subtype & 1); 43 set (WEAPON);
59 name_flag = (op->subtype & 2); 44 set (ARMOUR);
60 race_flag = (op->subtype & 4); 45 set (BOOTS);
46 set (GLOVES);
47 set (AMULET);
48 set (GIRDLE);
49 set (BRACERS);
50 set (SHIELD);
51 set (HELMET);
52 set (RING);
53 set (CLOAK);
54 set (WAND);
55 set (ROD);
56 set (HORN);
57 set (SKILL);
58 set (SPELL);
59 set (BOW);
60 set (RANGED);
61 set (BUILDER);
62 set (SKILL_TOOL);
61 } 63 }
62 else 64} may_attempt_inv;
65
66// these only make sense for the player
67
68static const struct may_attempt_player : types_t
69{
70 may_attempt_player ()
63 { 71 {
64 arch_flag = 1; 72 set (EXIT);
65 name_flag = 1; 73 set (BOOK);
66 race_flag = 1; 74 set (SKILLSCROLL);
75 set (SPELLBOOK);
76 set (TREASURE);
77 set (SAVEBED);
78 set (ARMOUR_IMPROVER);
79 set (WEAPON_IMPROVER);
80 set (CLOCK);
81 set (MENU);
82 set (LIGHTER); /* for lighting torches/lanterns/etc */
83 set (INSCRIBABLE);
84 set (SIGN);
85 set (BOOK);
67 } 86 }
87} may_attempt_player;
68 88
69 /* If the director has race set, only affect objects with a arch, 89// applying these _can_ be attempted, others cannot
70 * name or race that matches. 90// be applied at all. used by e.g. apply below.
71 */
72 if ((op->race) &&
73 ((!(victim->arch && arch_flag && victim->arch->archname) || op->race != victim->arch->archname)) &&
74 ((!(victim->name && name_flag) || op->race != victim->name)) &&
75 ((!(victim->race && race_flag) || op->race != victim->race)))
76 return 1;
77 91
78 /* If the director has slaying set, only affect objects where none 92static const struct may_attempt : types_t
79 * of arch, name, or race match.
80 */
81 if ((op->slaying) && (((victim->arch && arch_flag && victim->arch->archname && op->slaying == victim->arch->archname))) ||
82 ((victim->name && name_flag && op->slaying == victim->name)) ||
83 ((victim->race && race_flag && op->slaying == victim->race)))
84 return 1;
85
86 return 0;
87}
88
89/**
90 * This handles a player dropping money on an altar to identify stuff.
91 * It'll identify marked item, if none all items up to dropped money.
92 * Return value: 1 if money was destroyed, 0 if not.
93 */
94static int
95apply_id_altar (object *money, object *altar, object *pl)
96{ 93{
97 dynbuf_text buf; 94 may_attempt ()
98 95 : types_t ((types_t)may_attempt_player | (types_t)may_attempt_inv)
99 if (!pl || pl->type != PLAYER)
100 return 0;
101
102 /* Check for MONEY type is a special hack - it prevents 'nothing needs
103 * identifying' from being printed out more than it needs to be.
104 */
105 if (!check_altar_sacrifice (altar, money) || money->type != MONEY)
106 return 0;
107
108 /* if the player has a marked item, identify that if it needs to be
109 * identified. If it doesn't, then go through the player inventory.
110 */
111 if (object *marked = find_marked_object (pl))
112 if (!QUERY_FLAG (marked, FLAG_IDENTIFIED) && need_identify (marked))
113 {
114 if (operate_altar (altar, &money))
115 {
116 identify (marked);
117
118 buf.printf ("You have %s.\n\n", long_desc (marked, pl));
119 if (marked->msg)
120 buf << "The item has a story:\n\n" << marked->msg << "\n\n";
121
122 return !money;
123 }
124 }
125
126 for (object *id = pl->inv; id; id = id->below)
127 { 96 {
128 if (!QUERY_FLAG (id, FLAG_IDENTIFIED) && !id->invisible && need_identify (id)) 97 set (T_HANDLE);
129 { 98 set (TRIGGER);
130 if (operate_altar (altar, &money)) 99 set (SCROLL);
131 { 100 set (POTION);
132 identify (id); 101 set (CLOSE_CON);
133 102 set (CONTAINER);
134 buf.printf ("You have %s.\n\n", long_desc (id, pl)); 103 set (LAMP);
135 if (id->msg) 104 set (TORCH);
136 buf << "The item has a story:\n\n" << id->msg << "\n\n"; 105 set (DRINK);
137 106 set (FOOD);
138 /* If no more money, might as well quit now */ 107 set (FLESH);
139 if (!money || !check_altar_sacrifice (altar, money)) 108 set (POISON);
140 break; 109 set (POWER_CRYSTAL);
141 } 110 set (ITEM_TRANSFORMER);
142 else
143 {
144 LOG (llevError, "check_id_altar: Couldn't do sacrifice when we should have been able to\n");
145 break;
146 }
147 }
148 } 111 }
149 112} may_attempt;
150 if (buf.empty ())
151 pl->failmsg ("You have nothing that needs identifying");
152 else
153 pl->contr->infobox (MSG_CHANNEL ("identify"), buf);
154
155 return !money;
156}
157
158/**
159 * This checks whether the object has a "on_use_yield" field, and if so generated and drops
160 * matching item.
161 **/
162void
163handle_apply_yield (object *tmp)
164{
165 const char *yield;
166
167 yield = get_ob_key_value (tmp, "on_use_yield");
168 if (yield != NULL)
169 {
170 object *drop = get_archetype (yield);
171
172 if (tmp->env)
173 {
174 drop = insert_ob_in_ob (drop, tmp->env);
175 if (tmp->env->type == PLAYER)
176 esrv_send_item (tmp->env, drop);
177 }
178 else
179 {
180 drop->x = tmp->x;
181 drop->y = tmp->y;
182 insert_ob_in_map (drop, tmp->map, tmp, INS_BELOW_ORIGINATOR);
183 }
184 }
185}
186
187/**
188 * Handles applying a potion.
189 */
190int
191apply_potion (object *op, object *tmp)
192{
193 int got_one = 0, i;
194 object *force = 0, *floor = 0;
195
196 floor = GET_MAP_OB (op->map, op->x, op->y);
197
198 if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_SAFE)
199 {
200 op->failmsg ("Gods prevent you from using this here, it's sacred ground!");
201
202 CLEAR_FLAG (tmp, FLAG_APPLIED);
203 return 0;
204 }
205
206 if (op->type == PLAYER)
207 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
208 identify (tmp);
209
210 handle_apply_yield (tmp);
211
212 /* Potion of restoration - only for players */
213 if (op->type == PLAYER && (tmp->attacktype & AT_DEPLETE))
214 {
215 object *depl;
216 archetype *at;
217
218 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
219 {
220 op->drain_stat ();
221 op->update_stats ();
222 decrease_ob (tmp);
223 return 1;
224 }
225
226 if (!(at = archetype::find (ARCH_DEPLETION)))
227 {
228 LOG (llevError, "Could not find archetype depletion\n");
229 return 0;
230 }
231 depl = present_arch_in_ob (at, op);
232
233 if (depl)
234 {
235 for (i = 0; i < NUM_STATS; i++)
236 if (depl->stats.stat (i))
237 op->statusmsg (restore_msg[i]);
238
239 depl->destroy ();
240 op->update_stats ();
241 }
242 else
243 op->statusmsg ("Your potion had no effect.");
244
245 decrease_ob (tmp);
246 return 1;
247 }
248
249 /* improvement potion - only for players */
250 if (op->type == PLAYER && (tmp->attacktype & AT_GODPOWER))
251 {
252 for (i = 1; i < MIN (11, op->level); i++)
253 {
254 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
255 {
256 if (op->contr->levhp[i] != 1)
257 {
258 op->contr->levhp[i] = 1;
259 break;
260 }
261
262 if (op->contr->levsp[i] != 1)
263 {
264 op->contr->levsp[i] = 1;
265 break;
266 }
267
268 if (op->contr->levgrace[i] != 1)
269 {
270 op->contr->levgrace[i] = 1;
271 break;
272 }
273 }
274 else
275 {
276 if (op->contr->levhp[i] < 9)
277 {
278 op->contr->levhp[i] = 9;
279 break;
280 }
281
282 if (op->contr->levsp[i] < 6)
283 {
284 op->contr->levsp[i] = 6;
285 break;
286 }
287
288 if (op->contr->levgrace[i] < 3)
289 {
290 op->contr->levgrace[i] = 3;
291 break;
292 }
293 }
294 }
295
296 /* Just makes checking easier */
297 if (i < MIN (11, op->level))
298 got_one = 1;
299
300 if (!QUERY_FLAG (tmp, FLAG_CURSED) && !QUERY_FLAG (tmp, FLAG_DAMNED))
301 {
302 if (got_one)
303 {
304 op->update_stats ();
305 op->statusmsg ("The Gods smile upon you and remake you "
306 "a little more in their image. "
307 "You feel a little more perfect.", NDI_GREEN);
308 }
309 else
310 op->statusmsg ("The potion had no effect - you are already perfect.");
311 }
312 else
313 { /* cursed potion */
314 if (got_one)
315 {
316 op->update_stats ();
317 op->failmsg ("The Gods are angry and punish you.");
318 }
319 else
320 op->statusmsg ("You are fortunate that you are so pathetic.", NDI_DK_ORANGE);
321 }
322
323 decrease_ob (tmp);
324 return 1;
325 }
326
327
328 /* A potion that casts a spell. Healing, restore spellpoint (power potion)
329 * and heroism all fit into this category. Given the spell object code,
330 * there is no limit to the number of spells that potions can be cast,
331 * but direction is problematic to try and imbue fireball potions for example.
332 */
333 if (tmp->inv)
334 {
335 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
336 {
337 object *fball;
338
339 op->failmsg ("Yech! Your lungs are on fire!");
340
341 /* Explodes a fireball centered at player */
342 fball = get_archetype (EXPLODING_FIREBALL);
343 fball->dam_modifier = random_roll (1, op->level, op, PREFER_LOW) / 5 + 1;
344 fball->stats.maxhp = random_roll (1, op->level, op, PREFER_LOW) / 10 + 2;
345 fball->x = op->x;
346 fball->y = op->y;
347 insert_ob_in_map (fball, op->map, NULL, 0);
348 }
349 else
350 cast_spell (op, tmp, op->facing, tmp->inv, NULL);
351
352 decrease_ob (tmp);
353
354 /* if youre dead, no point in doing this... */
355 if (!QUERY_FLAG (op, FLAG_REMOVED))
356 op->update_stats ();
357
358 return 1;
359 }
360
361 /* Deal with protection potions */
362 force = NULL;
363 for (i = 0; i < NROFATTACKS; i++)
364 {
365 if (tmp->resist[i])
366 {
367 if (!force)
368 force = get_archetype (FORCE_NAME);
369
370 memcpy (force->resist, tmp->resist, sizeof (tmp->resist));
371 force->type = POTION_EFFECT;
372 break; /* Only need to find one protection since we copy entire batch */
373 }
374 }
375
376 /* This is a protection potion */
377 if (force)
378 {
379 /* cursed items last longer */
380 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
381 {
382 force->stats.food *= 10;
383 for (i = 0; i < NROFATTACKS; i++)
384 if (force->resist[i] > 0)
385 force->resist[i] = -force->resist[i]; /* prot => vuln */
386 }
387
388 force->speed_left = -1;
389 force = insert_ob_in_ob (force, op);
390 CLEAR_FLAG (tmp, FLAG_APPLIED);
391 SET_FLAG (force, FLAG_APPLIED);
392 change_abil (op, force);
393 decrease_ob (tmp);
394 return 1;
395 }
396
397 /* Only thing left are the stat potions */
398 if (op->type == PLAYER)
399 { /* only for players */
400 if ((QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED)) && tmp->value != 0)
401 CLEAR_FLAG (tmp, FLAG_APPLIED);
402 else
403 SET_FLAG (tmp, FLAG_APPLIED);
404
405 if (!change_abil (op, tmp))
406 op->statusmsg ("Nothing happened.");
407 }
408
409 /* CLEAR_FLAG is so that if the character has other potions
410 * that were grouped with the one consumed, his
411 * stat will not be raised by them. fix_player just clears
412 * up all the stats.
413 */
414 CLEAR_FLAG (tmp, FLAG_APPLIED);
415 op->update_stats ();
416 decrease_ob (tmp);
417 return 1;
418}
419 113
420/**************************************************************************** 114/****************************************************************************
421 * Weapon improvement code follows 115 * Weapon improvement code follows
422 ****************************************************************************/ 116 ****************************************************************************/
423 117
424/** 118/**
119 * This function just checks whether who can handle equipping an item
120 * with item_power.
121 */
122static bool
123check_item_power (object *who, int item_power)
124{
125 if (who->type == PLAYER
126 && item_power
127 && item_power + who->contr->item_power > settings.item_power_factor * who->level)
128 return false;
129 else
130 return true;
131}
132
133/**
425 * This returns the sum of nrof of item (arch name). 134 * This returns the sum of nrof of item (arch name).
426 */ 135 */
427static int 136static int
428check_item (object *op, const char *item) 137check_item (object *op, shstr_cmp item)
429{ 138{
430 int count = 0; 139 int count = 0;
431 140
432 if (!item) 141 if (!item)
433 return 0; 142 return 0;
434 143
435 for (op = op->below; op; op = op->below) 144 for (op = op->below; op; op = op->below)
436 {
437 if (strcmp (op->arch->archname, item) == 0) 145 if (op->arch->archname == item)
438 {
439 if (!QUERY_FLAG (op, FLAG_CURSED) && !QUERY_FLAG (op, FLAG_DAMNED) 146 if (!QUERY_FLAG (op, FLAG_CURSED) && !QUERY_FLAG (op, FLAG_DAMNED)
440 /* Loophole bug? -FD- */ && !QUERY_FLAG (op, FLAG_UNPAID)) 147 && /* Loophole bug? -FD- */ !QUERY_FLAG (op, FLAG_UNPAID))
441 {
442 if (op->nrof == 0) /* this is necessary for artifact sacrifices --FD-- */
443 count++;
444 else
445 count += op->nrof; 148 count += op->number_of ();
446 }
447 }
448 }
449 149
450 return count; 150 return count;
451} 151}
452 152
453/** 153/**
… …
455 * op is typically the player, which is only 155 * op is typically the player, which is only
456 * really used to determine what space to look at. 156 * really used to determine what space to look at.
457 * Modified to only eat 'nrof' of objects. 157 * Modified to only eat 'nrof' of objects.
458 */ 158 */
459static void 159static void
460eat_item (object *op, const char *item, uint32 nrof) 160eat_item (object *op, shstr_cmp item, uint32 nrof)
461{ 161{
462 object *prev; 162 object *prev;
463 163
464 prev = op; 164 prev = op;
465 op = op->below; 165 op = op->below;
466 166
467 while (op) 167 while (op)
468 { 168 {
469 if (strcmp (op->arch->archname, item) == 0) 169 if (op->arch->archname == item)
470 { 170 {
471 if (op->nrof >= nrof) 171 if (op->nrof >= nrof)
472 { 172 {
473 decrease_ob_nr (op, nrof); 173 op->decrease (nrof);
474 return; 174 return;
475 } 175 }
476 else 176 else
477 { 177 {
478 decrease_ob_nr (op, op->nrof); 178 op->decrease (nrof);
479 nrof -= op->nrof; 179 nrof -= op->nrof;
480 } 180 }
481 181
482 op = prev; 182 op = prev;
483 } 183 }
… …
486 op = op->below; 186 op = op->below;
487 } 187 }
488} 188}
489 189
490/** 190/**
491 * This checks to see of the player (who) is sufficient level to use a weapon
492 * with improvs improvements (typically last_eat). We take an int here
493 * instead of the object so that the improvement code can pass along the
494 * increased value to see if the object is usuable.
495 * we return 1 (true) if the player can use the weapon.
496 */
497static int
498check_weapon_power (const object *who, int improvs)
499{
500/* Old code is below (commented out). Basically, since weapons are the only
501 * object players really have any control to improve, it's a bit harsh to
502 * require high level in some combat skill, so we just use overall level.
503 */
504#if 1
505 if (((who->level / 5) + 5) >= improvs)
506 return 1;
507 else
508 return 0;
509
510#else
511 int level = 0;
512
513 /* The skill system hands out wc and dam bonuses to fighters
514 * more generously than the old system (see fix_player). Thus
515 * we need to curtail the power of player enchanted weapons.
516 * I changed this to 1 improvement per "fighter" level/5 -b.t.
517 * Note: Nothing should break by allowing this ratio to be different or
518 * using normal level - it is just a matter of play balance.
519 */
520 if (who->type == PLAYER)
521 {
522 object *wc_obj = NULL;
523
524 for (wc_obj = who->inv; wc_obj; wc_obj = wc_obj->below)
525 if (wc_obj->type == SKILL && IS_COMBAT_SKILL (wc_obj->subtype) && wc_obj->level > level)
526 level = wc_obj->level;
527
528 if (!level)
529 {
530 LOG (llevError, "Error: Player: %s lacks wc experience object\n", who->name);
531 level = who->level;
532 }
533 }
534 else
535 level = who->level;
536
537 return (improvs <= ((level / 5) + 5));
538#endif
539}
540
541/**
542 * Returns how many items of type improver->slaying there are under op. 191 * Returns how many items of type improver->slaying there are under op.
543 * Will display a message if none found, and 1 if improver->slaying is NULL. 192 * Will display a message if none found, and 1 if improver->slaying is NULL.
544 */ 193 */
545static int 194static int
546check_sacrifice (object *op, const object *improver) 195check_sacrifice (object *op, const object *improver)
… …
568static int 217static int
569improve_weapon_stat (object *op, object *improver, object *weapon, sint8 &stat, int sacrifice_count, const char *statname) 218improve_weapon_stat (object *op, object *improver, object *weapon, sint8 &stat, int sacrifice_count, const char *statname)
570{ 219{
571 stat += sacrifice_count; 220 stat += sacrifice_count;
572 weapon->last_eat++; 221 weapon->last_eat++;
573 decrease_ob (improver); 222 improver->decrease ();
574 223
575 /* So it updates the players stats and the window */ 224 /* So it updates the players stats and the window */
576 op->update_stats (); 225 op->update_stats ();
577 226
578 op->statusmsg (format ( 227 op->statusmsg (format (
… …
599 248
600/** 249/**
601 * This does the prepare weapon scroll. 250 * This does the prepare weapon scroll.
602 * Checks for sacrifice, and so on. 251 * Checks for sacrifice, and so on.
603 */ 252 */
604int 253static int
605prepare_weapon (object *op, object *improver, object *weapon) 254prepare_weapon (object *op, object *improver, object *weapon)
606{ 255{
607 int sacrifice_count, i; 256 int sacrifice_count, i;
608 char buf[MAX_BUF]; 257 char buf[MAX_BUF];
609 258
… …
625 weapon->stats.exp || /* speed */ 274 weapon->stats.exp || /* speed */
626 weapon->stats.ac) /* AC - only taifu's I think */ 275 weapon->stats.ac) /* AC - only taifu's I think */
627 { 276 {
628 op->failmsg ("You cannot prepare magic weapons. " 277 op->failmsg ("You cannot prepare magic weapons. "
629 "H<A weapon is considered magical if it changes regeneration, " 278 "H<A weapon is considered magical if it changes regeneration, "
630 "speed or ac.>"); 279 "speed or ac, or has other protections.>");
631 return 0; 280 return 0;
632 } 281 }
633 282
634 sacrifice_count = check_sacrifice (op, improver); 283 sacrifice_count = check_sacrifice (op, improver);
635 if (sacrifice_count <= 0) 284 if (sacrifice_count <= 0)
… …
646 295
647 sprintf (buf, "%s's %s", &op->name, &weapon->name); 296 sprintf (buf, "%s's %s", &op->name, &weapon->name);
648 weapon->name = weapon->name_pl = buf; 297 weapon->name = weapon->name_pl = buf;
649 weapon->nrof = 0; /* prevents preparing n weapons in the same 298 weapon->nrof = 0; /* prevents preparing n weapons in the same
650 slot at once! */ 299 slot at once! */
651 decrease_ob (improver); 300 improver->decrease ();
652 weapon->last_eat = 0; 301 weapon->last_eat = 0;
653 return 1; 302 return 1;
654} 303}
655
656 304
657/** 305/**
658 * Does the dirty job for 'improve weapon' scroll, prepare or add something. 306 * Does the dirty job for 'improve weapon' scroll, prepare or add something.
659 * This is the new improve weapon code. 307 * This is the new improve weapon code.
660 * Returns 0 if it was not able to work for some reason. 308 * Returns 0 if it was not able to work for some reason.
… …
663 * 311 *
664 * We are hiding extra information about the weapon in the level and 312 * We are hiding extra information about the weapon in the level and
665 * last_eat numbers for an object. Hopefully this won't break anything ?? 313 * last_eat numbers for an object. Hopefully this won't break anything ??
666 * level == max improve last_eat == current improve 314 * level == max improve last_eat == current improve
667 */ 315 */
668int 316static int
669improve_weapon (object *op, object *improver, object *weapon) 317improve_weapon (object *op, object *improver, object *weapon)
670{ 318{
671 int sacrifice_count, sacrifice_needed = 0; 319 int sacrifice_count, sacrifice_needed = 0;
672 320
673 if (improver->stats.sp == IMPROVE_PREPARE) 321 if (improver->stats.sp == IMPROVE_PREPARE)
674 return prepare_weapon (op, improver, weapon); 322 return prepare_weapon (op, improver, weapon);
675 323
676 if (weapon->level == 0) 324 if (weapon->level == 0)
677 { 325 {
678 op->failmsg ("This weapon has not been prepared. H<You first ahve to prepare a weapon with a prepare weapon scroll.>"); 326 op->failmsg (
327 "This weapon has not been prepared."
328 " H<You first have to prepare a weapon with a prepare weapon scroll.>");
679 return 0; 329 return 0;
680 } 330 }
681 331
682 if (weapon->level == weapon->last_eat && weapon->item_power >= 100) 332 if (weapon->last_eat >= weapon->level // improvements used up
333 || weapon->item_power >= 100) // or item_power >= arbitrary limit of 100
683 { 334 {
684 op->failmsg ("This weapon cannot be improved any more."); 335 op->failmsg ("This weapon cannot be improved any more.");
685 return 0; 336 return 0;
686 } 337 }
687 338
688 if (QUERY_FLAG (weapon, FLAG_APPLIED) && !check_weapon_power (op, weapon->last_eat + 1)) 339 if (QUERY_FLAG (weapon, FLAG_APPLIED)
340 && !check_item_power (op, weapon->item_power + 1))
689 { 341 {
690 op->failmsg ("Improving the weapon will make it too " 342 op->failmsg ("Improving the weapon will make it too "
691 "powerful for you to use. Unready it if you " 343 "powerful for you to use. Unready it if you "
692 "really want to improve it."); 344 "really want to improve it.");
693 return 0; 345 return 0;
… …
704 weapon->weight += 5000; /* 5 KG's */ 356 weapon->weight += 5000; /* 5 KG's */
705 op->statusmsg (format ("Damage has been increased by 5 to %d.", weapon->stats.dam)); 357 op->statusmsg (format ("Damage has been increased by 5 to %d.", weapon->stats.dam));
706 weapon->last_eat++; 358 weapon->last_eat++;
707 359
708 weapon->item_power++; 360 weapon->item_power++;
709 decrease_ob (improver); 361 improver->decrease ();
710 return 1; 362 return 1;
711 } 363 }
712 364
713 if (improver->stats.sp == IMPROVE_WEIGHT) 365 if (improver->stats.sp == IMPROVE_WEIGHT)
714 { 366 {
… …
718 weapon->weight = 1; 370 weapon->weight = 1;
719 371
720 op->statusmsg (format ("Weapon weight reduced to %6.1fkg.", (float) weapon->weight / 1000.0)); 372 op->statusmsg (format ("Weapon weight reduced to %6.1fkg.", (float) weapon->weight / 1000.0));
721 weapon->last_eat++; 373 weapon->last_eat++;
722 weapon->item_power++; 374 weapon->item_power++;
723 decrease_ob (improver); 375 improver->decrease ();
724 return 1; 376 return 1;
725 } 377 }
378
726 if (improver->stats.sp == IMPROVE_ENCHANT) 379 if (improver->stats.sp == IMPROVE_ENCHANT)
727 { 380 {
728 weapon->magic++; 381 weapon->magic++;
729 weapon->last_eat++; 382 weapon->last_eat++;
730 op->statusmsg (format ("Weapon magic increased to %d.", weapon->magic)); 383 op->statusmsg (format ("Weapon magic increased to %d.", weapon->magic));
731 decrease_ob (improver); 384 improver->decrease ();
732 weapon->item_power++; 385 weapon->item_power++;
733 return 1; 386 return 1;
734 } 387 }
735 388
736 sacrifice_needed = weapon->stats.Str + weapon->stats.Int + weapon->stats.Dex + 389 sacrifice_needed = weapon->stats.Str + weapon->stats.Int + weapon->stats.Dex +
… …
770/** 423/**
771 * Handles the applying of improve/prepare/enchant weapon scroll. 424 * Handles the applying of improve/prepare/enchant weapon scroll.
772 * Checks a few things (not on a non-magic square, marked weapon, ...), 425 * Checks a few things (not on a non-magic square, marked weapon, ...),
773 * then calls improve_weapon to do the dirty work. 426 * then calls improve_weapon to do the dirty work.
774 */ 427 */
775int 428static int
776check_improve_weapon (object *op, object *tmp) 429check_improve_weapon (object *op, object *tmp)
777{ 430{
778 object *otmp; 431 object *otmp;
779 432
780 if (op->type != PLAYER) 433 if (op->type != PLAYER)
… …
785 op->failmsg ("Something blocks the magic of the scroll!"); 438 op->failmsg ("Something blocks the magic of the scroll!");
786 return 0; 439 return 0;
787 } 440 }
788 441
789 otmp = find_marked_object (op); 442 otmp = find_marked_object (op);
443
790 if (!otmp) 444 if (!otmp)
791 { 445 {
792 op->failmsg ("You need to mark a weapon object. H<Use the mark command or the mark option from the item popup menu.>"); 446 op->failmsg ("You need to mark a weapon object. H<Use the mark command or the mark option from the item popup menu.>");
793 return 0; 447 return 0;
794 } 448 }
… …
826 * the armour value of the piece of equipment exceed either 480 * the armour value of the piece of equipment exceed either
827 * the users level or 90) 481 * the users level or 90)
828 * Modified by MSW for partial resistance. Only support 482 * Modified by MSW for partial resistance. Only support
829 * changing of physical area right now. 483 * changing of physical area right now.
830 */ 484 */
831int 485static int
832improve_armour (object *op, object *improver, object *armour) 486improve_armour (object *op, object *improver, object *armour)
833{ 487{
834 object *tmp; 488 object *tmp;
835 489
836 if (armour->magic >= settings.armor_max_enchant) 490 if (armour->magic >= settings.armor_max_enchant)
… …
851 } 505 }
852 506
853 /* Split objects if needed. Can't insert tmp until the 507 /* Split objects if needed. Can't insert tmp until the
854 * end of this function - otherwise it will just re-merge. 508 * end of this function - otherwise it will just re-merge.
855 */ 509 */
856 if (armour->nrof > 1) 510 tmp = armour->nrof > 1 ? armour->split (armour->nrof - 1) : 0;
857 tmp = get_split_ob (armour, armour->nrof - 1);
858 else
859 tmp = NULL;
860 511
861 armour->magic++; 512 armour->magic++;
862 513
863 if (!settings.armor_speed_linear) 514 if (!settings.armor_speed_linear)
864 { 515 {
… …
901 armour->item_power = get_power_from_ench (armour->arch->item_power + armour->magic); 552 armour->item_power = get_power_from_ench (armour->arch->item_power + armour->magic);
902 553
903 if (op->type == PLAYER) 554 if (op->type == PLAYER)
904 { 555 {
905 esrv_send_item (op, armour); 556 esrv_send_item (op, armour);
557
906 if (QUERY_FLAG (armour, FLAG_APPLIED)) 558 if (QUERY_FLAG (armour, FLAG_APPLIED))
907 op->update_stats (); 559 op->update_stats ();
908 } 560 }
909 561
910 decrease_ob (improver); 562 improver->decrease ();
911 563
912 if (tmp) 564 if (tmp)
913 { 565 op->insert (tmp);
914 insert_ob_in_ob (tmp, op);
915 esrv_send_item (op, tmp);
916 }
917 566
918 return 1; 567 return 1;
919} 568}
920 569
921/* 570/*
… …
925 * Takes one type of items and makes another. 574 * Takes one type of items and makes another.
926 * converter is the object that is doing the conversion. 575 * converter is the object that is doing the conversion.
927 * item is the object that triggered the converter - if it is not 576 * item is the object that triggered the converter - if it is not
928 * what the converter wants, this will not do anything. 577 * what the converter wants, this will not do anything.
929 */ 578 */
930static int 579int
931convert_item (object *item, object *converter) 580convert_item (object *item, object *converter)
932{ 581{
933 sint64 nr, price_in; 582 sint64 nr = 0, price_in;
934 583
935 if (item->flag [FLAG_UNPAID]) 584 if (item->flag [FLAG_UNPAID])
936 return 0; 585 return 0;
937 586
938 shstr conv_from = converter->slaying; 587 shstr conv_from = converter->slaying;
939 archetype *conv_to = converter->other_arch; 588 archetype *conv_to = converter->other_arch;
940 sint64 need = converter->stats.food; 589 sint64 need = converter->stats.food;
941 sint64 give = converter->stats.sp; 590 sint64 give = converter->stats.sp;
942 591
… …
955 604
956 converter->play_sound (sound_find ("shop_buy")); 605 converter->play_sound (sound_find ("shop_buy"));
957 606
958 sint64 cost = (nr * need + item->value - 1) / item->value; 607 sint64 cost = (nr * need + item->value - 1) / item->value;
959 608
960 decrease_ob_nr (item, cost); 609 item->decrease (cost);
961 610
962 price_in = cost * item->value; 611 price_in = cost * item->value;
963 } 612 }
964 else 613 else
965 { 614 {
… …
971 converter->play_sound (sound_find ("convert_item")); 620 converter->play_sound (sound_find ("convert_item"));
972 621
973 if (need) 622 if (need)
974 { 623 {
975 nr = sint64 (item->nrof) / need; 624 nr = sint64 (item->nrof) / need;
976 decrease_ob_nr (item, nr * need); 625 item->decrease (nr * need);
977 price_in = nr * need * item->value; 626 price_in = nr * need * item->value;
978 } 627 }
979 else 628 else
980 { 629 {
981 price_in = item->value; 630 price_in = item->value;
… …
993 ob_to_copy = converter->inv; 642 ob_to_copy = converter->inv;
994 for (ob = converter->inv->below, i = 1; ob; ob = ob->below, i++) 643 for (ob = converter->inv->below, i = 1; ob; ob = ob->below, i++)
995 if (rndm (0, i) == 0) 644 if (rndm (0, i) == 0)
996 ob_to_copy = ob; 645 ob_to_copy = ob;
997 646
998 item = object_create_clone (ob_to_copy); 647 item = ob_to_copy->deep_clone ();
999 CLEAR_FLAG (item, FLAG_IS_A_TEMPLATE); 648 CLEAR_FLAG (item, FLAG_IS_A_TEMPLATE);
1000 unflag_inv (item, FLAG_IS_A_TEMPLATE); 649 unflag_inv (item, FLAG_IS_A_TEMPLATE);
1001 } 650 }
1002 else 651 else
1003 { 652 {
… …
1016 item->nrof = give; 665 item->nrof = give;
1017 666
1018 if (nr) 667 if (nr)
1019 item->nrof *= nr; 668 item->nrof *= nr;
1020 669
1021 if (is_in_shop (converter)) 670 if (converter->flag [FLAG_PRECIOUS])
1022 SET_FLAG (item, FLAG_UNPAID); 671 SET_FLAG (item, FLAG_UNPAID);
672
673 if (converter->is_in_shop ())
674 {
675 // converters on shop floors don't work anymore, bug lets check for it
676 // and report in case someone still does it.
677 LOG (llevDebug, "ITEMBUG: broken converter, converters on shop floor don't work: %s\n",
678 converter->debug_desc ());
679 SET_FLAG (item, FLAG_UNPAID);
680 }
1023 else if (price_in < sint64 (item->nrof) * item->value) 681 else if (price_in < sint64 (item->nrof) * item->value)
1024 { 682 {
1025 LOG (llevDebug, "converter output price higher than input: %s at %s (%d, %d) in value %d, out value %d for %s\n", 683 LOG (llevDebug, "converter output price higher than input: %s at %s (%d, %d) in value %d, out value %d for %s\n",
1026 &converter->name, &converter->map->path, converter->x, converter->y, price_in, item->nrof * item->value, &item->name); 684 &converter->name, &converter->map->path, converter->x, converter->y, price_in, item->nrof * item->value, &item->name);
1027 /** 685 /**
1028 * elmex: we are going to let the game continue, as the mapcreator 686 * elmex: we are going to let the game continue, as the mapcreator
1029 * hopefully had something in mind when doing this. 687 * hopefully had something in mind when doing this.
1030 */ 688 */
1031 } 689 }
1032 690
1033 SET_FLAG (item, FLAG_IDENTIFIED); 691 // elmex: only identify if we need to, for example so that generated money doesn't
692 // get an 'identified' flag so easily.
693 if (need_identify (item))
694 identify (item);
695
1034 insert_ob_in_map_at (item, converter->map, converter, 0, converter->x, converter->y); 696 insert_ob_in_map_at (item, converter->map, converter, 0, converter->x, converter->y);
1035 return 1; 697 return 1;
1036} 698}
1037 699
1038/** 700/**
1039 * Handle apply on containers. 701 * Handle apply on containers.
1040 * By Eneq(@csd.uu.se). 702 * By Eneq(@csd.uu.se).
1041 * 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]
1042 * added the alchemical cauldron to the code -b.t. 704 * added the alchemical cauldron to the code -b.t.
1043 */ 705 */
1044int 706static int
1045apply_container (object *op, object *sack) 707apply_container (object *op, object *sack)
1046{ 708{
1047 if (op->type != PLAYER || !op->contr->ns) 709 if (op->type != PLAYER || !op->contr->ns)
1048 return 0; /* This might change */ 710 return 0; /* This might change */
1049 711
… …
1062 } 724 }
1063 725
1064 // 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
1065 if (sack->flag [FLAG_APPLIED]) 727 if (sack->flag [FLAG_APPLIED])
1066 { 728 {
1067 if (op->container == sack) 729 if (op->container_ () == sack)
1068 { 730 {
1069 // open on ground or inv, so close 731 // open on ground or inv, so close
1070 op->close_container (); 732 op->close_container ();
1071 return 1; 733 return 1;
1072 } 734 }
… …
1115{ 777{
1116 /* Only players can make sacrifices on spell casting altars. */ 778 /* Only players can make sacrifices on spell casting altars. */
1117 if (altar->inv && (!originator || originator->type != PLAYER)) 779 if (altar->inv && (!originator || originator->type != PLAYER))
1118 return 0; 780 return 0;
1119 781
1120 if (operate_altar (altar, &sacrifice)) 782 if (operate_altar (altar, &sacrifice, originator))
1121 { 783 {
1122 /* Simple check. Unfortunately, it means you can't cast magic bullet 784 /* Simple check. Unfortunately, it means you can't cast magic bullet
1123 * with an altar. We call it a Potion - altars are stationary - it 785 * with an altar. We call it a Potion - altars are stationary - it
1124 * is up to map designers to use them properly. 786 * is up to map designers to use them properly.
1125 */ 787 */
… …
1134/* push_button (altar);*/ 796/* push_button (altar);*/
1135 } 797 }
1136 else 798 else
1137 { 799 {
1138 altar->value = 1; /* works only once */ 800 altar->value = 1; /* works only once */
1139 push_button (altar); 801 push_button (altar, originator);
1140 } 802 }
1141 803
1142 return !sacrifice; 804 return !sacrifice;
1143 } 805 }
1144 else 806 else
… …
1161 823
1162 SET_FLAG (op, FLAG_NO_APPLY); /* prevent loops */ 824 SET_FLAG (op, FLAG_NO_APPLY); /* prevent loops */
1163 825
1164 bool has_unpaid = false; 826 bool has_unpaid = false;
1165 827
1166 // quite inefficient to do this here twice, but the api doesn'T lend itself to 828 // quite inefficient to do this here twice, but the api doesn't lend itself to
1167 // a quick and small change :( 829 // a quick and small change :(
1168 for (object::depth_iterator item = op->begin (); item != op->end (); ++item) 830 for (object::depth_iterator item = op->begin (); item != op->end (); ++item)
1169 if (item->flag [FLAG_UNPAID]) 831 if (item->flag [FLAG_UNPAID])
1170 { 832 {
1171 has_unpaid = true; 833 has_unpaid = true;
1172 break; 834 break;
1173 } 835 }
1174 836
1175 if (op->type != PLAYER) 837 if (!op->is_player ())
1176 { 838 {
1177 /* Remove all the unpaid objects that may be carried here. 839 /* Remove all the unpaid objects that may be carried here.
1178 * This could be pets or monsters that are somehow in 840 * This could be pets or monsters that are somehow in
1179 * the shop. 841 * the shop.
1180 */ 842 */
… …
1184 846
1185 if (QUERY_FLAG (tmp, FLAG_UNPAID)) 847 if (QUERY_FLAG (tmp, FLAG_UNPAID))
1186 { 848 {
1187 int i = find_free_spot (tmp, op->map, op->x, op->y, 1, 9); 849 int i = find_free_spot (tmp, op->map, op->x, op->y, 1, 9);
1188 850
851 if (i >= 0)
1189 tmp->remove (); 852 tmp->move (i);
1190
1191 if (i == -1)
1192 i = 0;
1193
1194 tmp->map = op->map;
1195 tmp->x = op->x + freearr_x[i];
1196 tmp->y = op->y + freearr_y[i];
1197 insert_ob_in_map (tmp, op->map, op, 0);
1198 } 853 }
1199 } 854 }
1200 855
1201 /* Don't teleport things like spell effects */ 856 /* Don't teleport things like spell effects */
1202 if (QUERY_FLAG (op, FLAG_NO_PICK)) 857 if (QUERY_FLAG (op, FLAG_NO_PICK))
… …
1213 if (i != -1) 868 if (i != -1)
1214 rv = transfer_ob (op, op->x + freearr_x[i], op->y + freearr_y[i], 0, shop_mat); 869 rv = transfer_ob (op, op->x + freearr_x[i], op->y + freearr_y[i], 0, shop_mat);
1215 870
1216 return 0; 871 return 0;
1217 } 872 }
873
1218 /* Removed code that checked for multipart objects - it appears that 874 /* Removed code that checked for multipart objects - it appears that
1219 * the teleport function should be able to handle this just fine. 875 * the teleport function should be able to handle this just fine.
1220 */ 876 */
1221 rv = teleport (shop_mat, SHOP_MAT, op); 877 rv = teleport (shop_mat, SHOP_MAT, op);
1222 } 878 }
… …
1225 /* this is only used for players */ 881 /* this is only used for players */
1226 rv = teleport (shop_mat, SHOP_MAT, op); 882 rv = teleport (shop_mat, SHOP_MAT, op);
1227 883
1228 if (has_unpaid) 884 if (has_unpaid)
1229 op->contr->play_sound (sound_find ("shop_buy")); 885 op->contr->play_sound (sound_find ("shop_buy"));
1230 else if (is_in_shop (op)) 886 else if (op->is_in_shop ())
1231 op->contr->play_sound (sound_find ("shop_enter")); 887 op->contr->play_sound (sound_find ("shop_enter"));
1232 else 888 else
1233 op->contr->play_sound (sound_find ("shop_leave")); 889 op->contr->play_sound (sound_find ("shop_leave"));
1234 890
1235 if (shop_mat->msg) 891 if (shop_mat->msg)
1236 op->statusmsg (shop_mat->msg); 892 op->statusmsg (shop_mat->msg);
1237 /* This check below is a bit simplistic - generally it should be correct, 893 /* This check below is a bit simplistic - generally it should be correct,
1238 * but there is never a guarantee that the bottom space on the map is 894 * but there is never a guarantee that the bottom space on the map is
1239 * actually the shop floor. 895 * actually the shop floor.
1240 */ 896 */
1241 else if (!rv && !is_in_shop (op)) 897 else if (!rv && !op->is_in_shop ())
1242 { 898 {
1243 opinion = shopkeeper_approval (op->map, op); 899 opinion = shopkeeper_approval (op->map, op);
1244 900
1245 op->statusmsg ( 901 op->statusmsg (
1246 opinion >= 0.90 ? "The shopkeeper gives you a friendly wave." 902 opinion >= 0.90 ? "The shopkeeper gives you a friendly wave."
… …
1277 * Handles applying a sign. 933 * Handles applying a sign.
1278 */ 934 */
1279static void 935static void
1280apply_sign (object *op, object *sign, int autoapply) 936apply_sign (object *op, object *sign, int autoapply)
1281{ 937{
1282 readable_message_type *msgType; 938 if (!op->is_player())
939 return;
940
941 if (sign->has_dialogue ())
942 {
943 op->statusmsg (format ("Maybe you should I<talk> to the %s instead?", &sign->name));
944 return;
945 }
1283 946
1284 if (!sign->msg) 947 if (!sign->msg)
1285 { 948 {
1286 op->statusmsg ("Nothing is written on it."); 949 op->contr->infobox (MSG_CHANNEL ("examine"),
950 format ("T<%s>\n\n Nothing %sis written on it.",
951 &sign->name,
952 sign->name == sign->arch->name ? "" : "else "));
1287 return; 953 return;
1288 } 954 }
1289 955
1290 if (sign->stats.food) 956 if (sign->stats.food)
1291 { 957 {
1292 if (sign->last_eat >= sign->stats.food) 958 if (sign->last_eat >= sign->stats.food)
1293 { 959 {
1294 if (!sign->move_on) 960 if (!sign->move_on)
1295 op->statusmsg ("You cannot read it anymore."); 961 op->failmsg ("You cannot read it anymore.");
1296 962
1297 return; 963 return;
1298 } 964 }
1299 965
1300 if (!QUERY_FLAG (op, FLAG_WIZPASS)) 966 if (!QUERY_FLAG (op, FLAG_WIZPASS))
… …
1318 if (sign->sound) 984 if (sign->sound)
1319 ns->play_sound (sign->sound); 985 ns->play_sound (sign->sound);
1320 else if (autoapply) 986 else if (autoapply)
1321 ns->play_sound (sound_find ("msg_voice")); 987 ns->play_sound (sound_find ("msg_voice"));
1322 988
1323 if (ns->can_msg)
1324 op->contr->infobox (MSG_CHANNEL ("examine"), format ("T<%s>\n\n\n\n%s", &sign->name, &sign->msg)); 989 op->contr->infobox (MSG_CHANNEL ("examine"), format ("T<%s>\n\n%s", &sign->name, &sign->msg));
1325 else
1326 {
1327 msgType = get_readable_message_type (sign);
1328 const char *somemsg = format ("%u %s", autoapply ? 1 : 0, &sign->msg);
1329 draw_ext_info (NDI_UNIQUE | NDI_NAVY, 0, op, msgType->message_type, msgType->message_subtype, somemsg, &sign->msg);
1330 }
1331 } 990 }
1332} 991}
1333 992
1334/** 993static void
1335 * 'victim' moves onto 'trap'
1336 * 'victim' leaves 'trap'
1337 * effect is determined by move_on/move_off of trap and move_type of victime.
1338 *
1339 * originator: Player, monster or other object that caused 'victim' to move
1340 * onto 'trap'. Will receive messages caused by this action. May be NULL.
1341 * However, some types of traps require an originator to function.
1342 */
1343void
1344move_apply (object *trap, object *victim, object *originator) 994move_apply_hole (object *trap, object *victim)
1345{ 995{
1346 static int recursion_depth = 0; 996 /* Hole not open? */
1347 997 if (trap->stats.wc > 0)
1348 /* Only exits affect DMs. */
1349 if (QUERY_FLAG (victim, FLAG_WIZPASS) && trap->type != EXIT && trap->type != SIGN)
1350 return; 998 return;
1351 999
1352 /* move_apply() is the most likely candidate for causing unwanted and 1000 /* Is this a multipart monster and not the head? If so, return.
1353 * possibly unlimited recursion. 1001 * Processing will happen if the head runs into the pit
1354 */ 1002 */
1355 /* The following was changed because it was causing perfeclty correct 1003 if (victim->head)
1356 * maps to fail. 1) it's not an error to recurse:
1357 * rune detonates, summoning monster. monster lands on nearby rune.
1358 * nearby rune detonates. This sort of recursion is expected and
1359 * proper. This code was causing needless crashes.
1360 */
1361 if (recursion_depth >= 500)
1362 {
1363 LOG (llevDebug, "WARNING: move_apply(): aborting recursion "
1364 "[trap arch %s, name %s; victim arch %s, name %s]\n", &trap->arch->archname, &trap->name, &victim->arch->archname, &victim->name);
1365 return; 1004 return;
1366 }
1367 1005
1368 recursion_depth++; 1006 // now find all possible locations and randomly pick one
1369 if (trap->head) 1007 int dir = find_free_spot (victim, trap->map, EXIT_X (trap), EXIT_Y (trap), 0,
1370 trap = trap->head; 1008 trap->range >= 3 ? SIZEOFFREE3 + 1
1009 : trap->range >= 2 ? SIZEOFFREE2 + 1
1010 : trap->range >= 1 ? SIZEOFFREE1 + 1
1011 : SIZEOFFREE0 + 1);
1371 1012
1372 if (INVOKE_OBJECT (MOVE_TRIGGER, trap, ARG_OBJECT (victim), ARG_OBJECT (originator))) 1013 if (dir < 0)
1373 goto leave; 1014 return;
1374 1015
1375 switch (trap->type)
1376 {
1377 case PLAYERMOVER:
1378 if (trap->attacktype && (trap->level || victim->type != PLAYER) && !should_director_abort (trap, victim))
1379 {
1380 if (!trap->stats.maxsp)
1381 trap->stats.maxsp = 2;
1382
1383 /* Is this correct? From the docs, it doesn't look like it
1384 * should be divided by trap->speed
1385 */
1386 victim->speed_left = -FABS (trap->stats.maxsp * victim->speed / trap->speed);
1387
1388 /* Just put in some sanity check. I think there is a bug in the
1389 * above with some objects have zero speed, and thus the player
1390 * getting permanently paralyzed.
1391 */
1392 if (victim->speed_left < -50.f)
1393 victim->speed_left = -50.f;
1394 /* LOG(llevDebug, "apply, playermove, player speed_left=%f\n", victim->speed_left); */
1395 }
1396 goto leave;
1397
1398 case SPINNER:
1399 if (victim->direction)
1400 {
1401 victim->direction = absdir (victim->direction - trap->stats.sp);
1402 update_turn_face (victim);
1403 }
1404 goto leave;
1405
1406 case DIRECTOR:
1407 if (victim->direction && !should_director_abort (trap, victim))
1408 {
1409 victim->direction = trap->stats.sp;
1410 update_turn_face (victim);
1411 }
1412 goto leave;
1413
1414 case BUTTON:
1415 case PEDESTAL:
1416 update_button (trap);
1417 goto leave;
1418
1419 case ALTAR:
1420 /* sacrifice victim on trap */
1421 apply_altar (trap, victim, originator);
1422 goto leave;
1423
1424 case THROWN_OBJ:
1425 if (trap->inv == NULL)
1426 goto leave;
1427 /* fallthrough */
1428
1429 case ARROW:
1430 /* bad bug: monster throw a object, make a step forwards, step on object ,
1431 * trigger this here and get hit by own missile - and will be own enemy.
1432 * Victim then is his own enemy and will start to kill herself (this is
1433 * removed) but we have not synced victim and his missile. To avoid senseless
1434 * action, we avoid hits here
1435 */
1436 if ((QUERY_FLAG (victim, FLAG_ALIVE) && trap->speed) && trap->owner != victim)
1437 hit_with_arrow (trap, victim);
1438 goto leave;
1439
1440 case SPELL_EFFECT:
1441 apply_spell_effect (trap, victim);
1442 goto leave;
1443
1444 case TRAPDOOR:
1445 {
1446 int max, sound_was_played;
1447 object *ab, *ab_next;
1448
1449 if (!trap->value)
1450 {
1451 int tot;
1452
1453 for (ab = trap->above, tot = 0; ab != NULL; ab = ab->above)
1454 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
1455 tot += (ab->nrof ? ab->nrof : 1) * ab->weight + ab->carrying;
1456
1457 if (!(trap->value = (tot > trap->weight) ? 1 : 0))
1458 goto leave;
1459
1460 SET_ANIMATION (trap, trap->value);
1461 update_object (trap, UP_OBJ_FACE);
1462 }
1463
1464 for (ab = trap->above, max = 100, sound_was_played = 0; --max && ab; ab = ab_next)
1465 {
1466 /* need to set this up, since if we do transfer the object,
1467 * ab->above would be bogus
1468 */
1469 ab_next = ab->above;
1470
1471 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
1472 {
1473 if (!sound_was_played)
1474 {
1475 trap->play_sound (trap->sound ? trap->sound : sound_find ("fall_hole"));
1476 sound_was_played = 1;
1477 }
1478
1479 ab->statusmsg ("You fall into a trapdoor!", NDI_RED);
1480 transfer_ob (ab, EXIT_X (trap), EXIT_Y (trap), 0, ab);
1481 }
1482 }
1483 goto leave;
1484 }
1485
1486 case CONVERTER:
1487 if (convert_item (victim, trap) < 0)
1488 {
1489 originator->failmsg (format ("The %s seems to be broken!", query_name (trap)));
1490 get_archetype ("burnout")->insert_at (trap, trap);
1491 }
1492
1493 goto leave;
1494
1495 case TRIGGER_BUTTON:
1496 case TRIGGER_PEDESTAL:
1497 case TRIGGER_ALTAR:
1498 check_trigger (trap, victim);
1499 goto leave;
1500
1501 case DEEP_SWAMP:
1502 walk_on_deep_swamp (trap, victim);
1503 goto leave;
1504
1505 case CHECK_INV:
1506 check_inv (victim, trap);
1507 goto leave;
1508
1509 case HOLE:
1510 /* Hole not open? */
1511 if (trap->stats.wc > 0)
1512 goto leave;
1513
1514 /* Is this a multipart monster and not the head? If so, return.
1515 * Processing will happen if the head runs into the pit
1516 */
1517 if (victim->head)
1518 goto leave;
1519
1520 victim->play_sound (trap->sound ? trap->sound : sound_find ("fall_hole")); 1016 victim->play_sound (trap->sound ? trap->sound : sound_find ("fall_hole"));
1521 victim->statusmsg ("You fall through the hole!", NDI_RED); 1017 victim->statusmsg ("You fall through the hole!", NDI_RED);
1522 transfer_ob (victim, EXIT_X (trap), EXIT_Y (trap), 1, victim);
1523 goto leave;
1524 1018
1525 case EXIT: 1019 transfer_ob (victim,
1526 if (victim->type == PLAYER && EXIT_PATH (trap)) 1020 EXIT_X (trap) + freearr_x[dir],
1527 { 1021 EXIT_Y (trap) + freearr_y[dir],
1528 /* Basically, don't show exits leading to random maps the 1022 0, victim);
1529 * players output.
1530 */
1531 if (trap->msg && strncmp (EXIT_PATH (trap), "/!", 2))
1532 victim->statusmsg (trap->msg, NDI_NAVY);
1533
1534 trap->play_sound (trap->sound);
1535 victim->enter_exit (trap);
1536 }
1537 goto leave;
1538
1539 case ENCOUNTER:
1540 /* may be some leftovers on this */
1541 goto leave;
1542
1543 case SHOP_MAT:
1544 apply_shop_mat (trap, victim);
1545 goto leave;
1546
1547 /* Drop a certain amount of gold, and have one item identified */
1548 case IDENTIFY_ALTAR:
1549 apply_id_altar (victim, trap, originator);
1550 goto leave;
1551
1552 case SIGN:
1553 if (victim->type != PLAYER && trap->stats.food > 0)
1554 goto leave; /* monsters musn't apply magic_mouths with counters */
1555
1556 apply_sign (victim, trap, 1);
1557 goto leave;
1558
1559 case CONTAINER:
1560 apply_container (victim, trap);
1561 goto leave;
1562
1563 case RUNE:
1564 case TRAP:
1565 if (trap->level && QUERY_FLAG (victim, FLAG_ALIVE))
1566 spring_trap (trap, victim);
1567 goto leave;
1568
1569 default:
1570 LOG (llevDebug, "name %s, arch %s, type %d with fly/walk on/off not "
1571 "handled in move_apply()\n", &trap->name, &trap->arch->archname, trap->type);
1572 goto leave;
1573 }
1574
1575leave:
1576 recursion_depth--;
1577}
1578
1579/**
1580 * Handles reading a regular (ie not containing a spell) book.
1581 */
1582static void
1583apply_book (object *op, object *tmp)
1584{
1585 int lev_diff;
1586 object *skill_ob;
1587
1588 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
1589 {
1590 op->failmsg ("You are unable to read while blind!");
1591 return;
1592 }
1593
1594 if (!tmp->msg)
1595 {
1596 op->failmsg (format ("You open the %s and find it empty.", &tmp->name));
1597 return;
1598 }
1599
1600 /* need a literacy skill to read stuff! */
1601 skill_ob = find_skill_by_name (op, tmp->skill);
1602 if (!skill_ob)
1603 {
1604 op->failmsg (format ("You are unable to decipher the strange symbols. H<You lack the %s skill to read this.>", &tmp->skill));
1605 return;
1606 }
1607
1608 lev_diff = tmp->level - (skill_ob->level + 5);
1609 if (!QUERY_FLAG (op, FLAG_WIZ) && lev_diff > 0)
1610 {
1611 op->failmsg (lev_diff < 2 ? "This book is just barely beyond your comprehension."
1612 : lev_diff < 3 ? "This book is slightly beyond your comprehension."
1613 : lev_diff < 5 ? "This book is beyond your comprehension."
1614 : lev_diff < 8 ? "This book is quite a bit beyond your comprehension."
1615 : lev_diff < 15 ? "This book is way beyond your comprehension."
1616 : "This book is totally beyond your comprehension.");
1617 return;
1618 }
1619
1620 readable_message_type *msgType = get_readable_message_type (tmp);
1621
1622 if (player *pl = op->contr)
1623 if (client *ns = pl->ns)
1624 if (ns->can_msg)
1625 pl->infobox (MSG_CHANNEL ("book"), format ("T<%s>\n\n\n\n%s", (char *)long_desc (tmp, op), &tmp->msg));
1626 else
1627 draw_ext_info_format (NDI_UNIQUE | NDI_NAVY, 0, op,
1628 msgType->message_type, msgType->message_subtype,
1629 "You open the %s and start reading.\n%s", (char *)"%s\n%s",
1630 long_desc (tmp, op), &tmp->msg);
1631
1632 /* gain xp from reading */
1633 if (!QUERY_FLAG (tmp, FLAG_NO_SKILL_IDENT))
1634 { /* only if not read before */
1635 int exp_gain = calc_skill_exp (op, tmp, skill_ob);
1636
1637 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
1638 {
1639 /*exp_gain *= 2; because they just identified it too */
1640 SET_FLAG (tmp, FLAG_IDENTIFIED);
1641
1642 /* If in a container, update how it looks */
1643 if (tmp->env)
1644 esrv_update_item (UPD_FLAGS | UPD_NAME, op, tmp);
1645 else
1646 op->contr->ns->floorbox_update ();
1647 }
1648
1649 change_exp (op, exp_gain, skill_ob->skill, 0);
1650 SET_FLAG (tmp, FLAG_NO_SKILL_IDENT); /* so no more xp gained from this book */
1651 }
1652}
1653
1654/**
1655 * Handles the applying of a skill scroll, calling learn_skill straight.
1656 * op is the person learning the skill, tmp is the skill scroll object
1657 */
1658static void
1659apply_skillscroll (object *op, object *tmp)
1660{
1661 switch (learn_skill (op, tmp))
1662 {
1663 case 0:
1664 op->play_sound (sound_find ("generic_fail"));
1665 op->failmsg (format ("You already possess the knowledge held within the %s.", query_name (tmp)));
1666 break;
1667
1668 case 1:
1669 decrease_ob (tmp);
1670 op->play_sound (sound_find ("skill_learn"));
1671 op->statusmsg (format ("You succeed in learning %s", &tmp->skill));
1672 break;
1673
1674 default:
1675 decrease_ob (tmp);
1676 op->play_sound (sound_find ("generic_fail"));
1677 op->failmsg (format ("You fail to learn the knowledge of the %s.\n", query_name (tmp)));
1678 break;
1679 }
1680}
1681
1682/**
1683 * Actually makes op learn spell.
1684 * Informs player of what happens.
1685 */
1686void
1687do_learn_spell (object *op, object *spell, int special_prayer)
1688{
1689 object *tmp;
1690
1691 if (op->type != PLAYER)
1692 {
1693 LOG (llevError, "BUG: do_learn_spell(): not a player\n");
1694 return;
1695 }
1696
1697 /* Upgrade special prayers to normal prayers */
1698 if ((tmp = check_spell_known (op, spell->name)) != NULL)
1699 {
1700 if (special_prayer && !QUERY_FLAG (tmp, FLAG_STARTEQUIP))
1701 {
1702 LOG (llevError, "BUG: do_learn_spell(): spell already known, but not marked as startequip\n");
1703 return;
1704 }
1705 return;
1706 }
1707
1708 op->contr->play_sound (sound_find ("learn_spell"));
1709
1710 tmp = spell->clone ();
1711 insert_ob_in_ob (tmp, op);
1712
1713 if (special_prayer)
1714 SET_FLAG (tmp, FLAG_STARTEQUIP);
1715
1716 esrv_add_spells (op->contr, tmp);
1717}
1718
1719/**
1720 * Erases spell from player's inventory.
1721 */
1722void
1723do_forget_spell (object *op, const char *spell)
1724{
1725 object *spob;
1726
1727 if (op->type != PLAYER)
1728 {
1729 LOG (llevError, "BUG: do_forget_spell(): not a player\n");
1730 return;
1731 }
1732 if ((spob = check_spell_known (op, spell)) == NULL)
1733 {
1734 LOG (llevError, "BUG: do_forget_spell(): spell not known\n");
1735 return;
1736 }
1737
1738 op->failmsg (format ("You lose knowledge of %s.", spell));
1739 player_unready_range_ob (op->contr, spob);
1740 esrv_remove_spell (op->contr, spob);
1741 spob->destroy ();
1742}
1743
1744/**
1745 * Handles player applying a spellbook.
1746 * Checks whether player has knowledge of required skill, doesn't already know the spell,
1747 * stuff like that. Random learning failure too.
1748 */
1749static void
1750apply_spellbook (object *op, object *tmp)
1751{
1752 object *skop, *spell, *spell_skill;
1753
1754 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
1755 {
1756 op->failmsg ("You are unable to read while blind.");
1757 return;
1758 }
1759
1760 /* artifact_spellbooks have 'slaying' field point to a spell name,
1761 * instead of having their spell stored in stats.sp. These are
1762 * legacy spellbooks
1763 */
1764 if (tmp->slaying)
1765 {
1766 spell = arch_to_object (find_archetype_by_object_name (tmp->slaying));
1767 if (!spell)
1768 {
1769 op->failmsg (format ("The book's formula for %s is incomplete.", &tmp->slaying));
1770 return;
1771 }
1772 else
1773 insert_ob_in_ob (spell, tmp);
1774
1775 tmp->slaying = 0;
1776 }
1777
1778 skop = find_skill_by_name (op, tmp->skill);
1779
1780 /* need a literacy skill to learn spells. Also, having a literacy level
1781 * lower than the spell will make learning the spell more difficult */
1782 if (!skop)
1783 {
1784 op->failmsg (format ("You can't read! Your attempt fails. H<You lack the %s skill.>", &tmp->skill));
1785 return;
1786 }
1787
1788 spell = tmp->inv;
1789
1790 if (!spell)
1791 {
1792 LOG (llevError, "apply_spellbook: Book %s has no spell in it!\n", &tmp->name);
1793 op->failmsg ("The spellbook symbols make no sense. This is a bug, please report!");
1794 return;
1795 }
1796
1797 if (skop->level < int (sqrtf (spell->level) * 1.5f))
1798 {
1799 op->failmsg (format ("You are unable to decipher the strange symbols. H<Your %s level is too low.>", &tmp->skill));
1800 return;
1801 }
1802
1803 op->statusmsg (format ("The spellbook contains the %s level spell %s.", get_levelnumber (spell->level), &spell->name));
1804
1805 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
1806 {
1807 identify (tmp);
1808
1809 if (tmp->env)
1810 esrv_update_item (UPD_FLAGS | UPD_NAME, op, tmp);
1811 else
1812 op->contr->ns->floorbox_update ();
1813 }
1814
1815 /* I removed the check for special_prayer_mark here - it didn't make
1816 * a lot of sense - special prayers are not found in spellbooks, and
1817 * if the player doesn't know the spell, doesn't make a lot of sense that
1818 * they would have a special prayer mark.
1819 */
1820 if (check_spell_known (op, spell->name))
1821 {
1822 op->statusmsg ("You already know that spell. H<It makes no sense to learn spells twice, and would only waste the spellbook.>\n");
1823 return;
1824 }
1825
1826 if (spell->skill)
1827 {
1828 spell_skill = find_skill_by_name (op, spell->skill);
1829
1830 if (!spell_skill)
1831 {
1832 op->failmsg (format ("You lack the skill %s to use this spell.", &spell->skill));
1833 return;
1834 }
1835
1836 if (spell_skill->level < spell->level)
1837 {
1838 op->failmsg (format ("You need to be level %d in %s to learn this spell.", spell->level, &spell->skill));
1839 return;
1840 }
1841 }
1842
1843 /* Logic as follows
1844 *
1845 * 1- MU spells use Int to learn, Cleric spells use Wisdom
1846 *
1847 * 2- The learner's skill level in literacy adjusts the chance to learn
1848 * a spell.
1849 *
1850 * 3 -Automatically fail to learn if you read while confused
1851 *
1852 * Overall, chances are the same but a player will find having a high
1853 * literacy rate very useful! -b.t.
1854 */
1855 if (QUERY_FLAG (op, FLAG_CONFUSED))
1856 {
1857 op->failmsg ("In your confused state you flub the wording of the text!");
1858 scroll_failure (op, 0 - random_roll (0, spell->level, op, PREFER_LOW), MAX (spell->stats.sp, spell->stats.grace));
1859 }
1860 else if (QUERY_FLAG (tmp, FLAG_STARTEQUIP) ||
1861 (random_roll (0, 100, op, PREFER_LOW) - (5 * skop->level)) < learn_spell[spell->stats.grace ? op->stats.Wis : op->stats.Int])
1862 {
1863 op->statusmsg ("You succeed in learning the spell!", NDI_GREEN);
1864 do_learn_spell (op, spell, 0);
1865
1866 /* xp gain to literacy for spell learning */
1867 if (!QUERY_FLAG (tmp, FLAG_STARTEQUIP))
1868 change_exp (op, calc_skill_exp (op, tmp, skop), skop->skill, 0);
1869 }
1870 else
1871 {
1872 op->contr->play_sound (sound_find ("fumble_spell"));
1873 op->failmsg ("You fail to learn the spell. H<Wis (priests) or Int (wizards) governs the chance of learning a prayer or spell.>\n");
1874 }
1875
1876 decrease_ob (tmp);
1877}
1878
1879/**
1880 * Handles applying a spell scroll.
1881 */
1882void
1883apply_scroll (object *op, object *tmp, int dir)
1884{
1885 object *skop;
1886
1887 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
1888 {
1889 op->failmsg ("You are unable to read while blind.");
1890 return;
1891 }
1892
1893 if (!tmp->inv || tmp->inv->type != SPELL)
1894 {
1895 op->failmsg ("The scroll just doesn't make sense! H<...and never will make sense.>");
1896 return;
1897 }
1898
1899 if (op->type == PLAYER)
1900 {
1901 /* players need a literacy skill to read stuff! */
1902 int exp_gain = 0;
1903
1904 /* hard code literacy - tmp->skill points to where the exp
1905 * should go for anything killed by the spell.
1906 */
1907 skop = find_skill_by_name (op, skill_names[SK_LITERACY]);
1908
1909 if (!skop)
1910 {
1911 op->failmsg (format ("You are unable to decipher the strange symbols. H<You lack the %s skill.>", &skill_names[SK_LITERACY]));
1912 return;
1913 }
1914
1915 if ((exp_gain = calc_skill_exp (op, tmp, skop)))
1916 change_exp (op, exp_gain, skop->skill, 0);
1917 }
1918
1919 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
1920 identify (tmp);
1921
1922 op->statusmsg (format ("The scroll of %s turns to dust.", &tmp->inv->name));
1923
1924 cast_spell (op, tmp, dir, tmp->inv, NULL);
1925 decrease_ob (tmp);
1926}
1927
1928/**
1929 * Applies a treasure object - by default, chest. op
1930 * is the person doing the applying, tmp is the treasure
1931 * chest.
1932 */
1933static void
1934apply_treasure (object *op, object *tmp)
1935{
1936 /* Nice side effect of this treasure creation method is that the treasure
1937 * for the chest is done when the chest is created, and put into the chest
1938 * inventory. So that when the chest burns up, the items still exist. Also
1939 * prevents people from moving chests to more difficult maps to get better
1940 * treasure
1941 */
1942 object *treas = tmp->inv;
1943
1944 if (!treas)
1945 {
1946 op->statusmsg ("The chest was empty.");
1947 decrease_ob (tmp);
1948 return;
1949 }
1950
1951 while (tmp->inv)
1952 {
1953 treas = tmp->inv;
1954 treas->remove ();
1955
1956 treas->x = op->x;
1957 treas->y = op->y;
1958 treas = insert_ob_in_map (treas, op->map, op, INS_BELOW_ORIGINATOR);
1959
1960 if (treas && (treas->type == RUNE || treas->type == TRAP) && treas->level && QUERY_FLAG (op, FLAG_ALIVE))
1961 spring_trap (treas, op);
1962
1963 /* If either player or container was destroyed, no need to do
1964 * further processing. I think this should be enclused with
1965 * spring trap above, as I don't think there is otherwise
1966 * any way for the treasure chest or player to get killed.
1967 */
1968 if (op->destroyed () || tmp->destroyed ())
1969 break;
1970 }
1971
1972 if (!tmp->destroyed () && !tmp->inv)
1973 decrease_ob (tmp);
1974}
1975
1976/**
1977 * op eats food.
1978 * If player, takes care of messages and dragon special food.
1979 */
1980static void
1981apply_food (object *op, object *tmp)
1982{
1983 int capacity_remaining;
1984
1985 if (op->type != PLAYER)
1986 op->stats.hp = op->stats.maxhp;
1987 else
1988 {
1989 /* check if this is a dragon (player), eating some flesh */
1990 if (tmp->type == FLESH && is_dragon_pl (op) && dragon_eat_flesh (op, tmp))
1991 ;
1992 else
1993 {
1994 /* usual case - no dragon meal: */
1995 if (op->stats.food + tmp->stats.food > 999)
1996 {
1997 if (tmp->type == FOOD || tmp->type == FLESH)
1998 op->failmsg ("You feel full, but what a waste of food!");
1999 else
2000 op->statusmsg ("Most of the drink goes down your face not your throat!");
2001 }
2002
2003 tmp->play_sound (
2004 tmp->sound
2005 ? tmp->sound
2006 : tmp->type == DRINK
2007 ? sound_find ("eat_drink")
2008 : sound_find ("eat_food")
2009 );
2010
2011 if (!QUERY_FLAG (tmp, FLAG_CURSED))
2012 {
2013 const char *buf;
2014
2015 if (!is_dragon_pl (op))
2016 {
2017 /* eating message for normal players */
2018 if (tmp->type == DRINK)
2019 buf = format ("Ahhh...that %s tasted good.", &tmp->name);
2020 else
2021 buf = format ("The %s tasted %s", &tmp->name, tmp->type == FLESH ? "terrible!" : "good.");
2022 }
2023 else
2024 /* eating message for dragon players */
2025 buf = format ("The %s tasted terrible!", &tmp->name);
2026
2027 op->statusmsg (buf);
2028
2029 capacity_remaining = 999 - op->stats.food;
2030 op->stats.food += tmp->stats.food;
2031 if (capacity_remaining < tmp->stats.food)
2032 op->stats.hp += capacity_remaining / 50;
2033 else
2034 op->stats.hp += tmp->stats.food / 50;
2035
2036 if (op->stats.hp > op->stats.maxhp)
2037 op->stats.hp = op->stats.maxhp;
2038 if (op->stats.food > 999)
2039 op->stats.food = 999;
2040 }
2041
2042 /* special food hack -b.t. */
2043 if (tmp->title || QUERY_FLAG (tmp, FLAG_CURSED))
2044 eat_special_food (op, tmp);
2045 }
2046 }
2047
2048 handle_apply_yield (tmp);
2049 decrease_ob (tmp);
2050}
2051
2052/**
2053 * A dragon is eating some flesh. If the flesh contains resistances,
2054 * there is a chance for the dragon's skin to get improved.
2055 *
2056 * attributes:
2057 * object *op the object (dragon player) eating the flesh
2058 * object *meal the flesh item, getting chewed in dragon's mouth
2059 * return:
2060 * int 1 if eating successful, 0 if it doesn't work
2061 */
2062int
2063dragon_eat_flesh (object *op, object *meal)
2064{
2065 object *skin = NULL; /* pointer to dragon skin force */
2066 object *abil = NULL; /* pointer to dragon ability force */
2067 object *tmp = NULL; /* tmp. object */
2068
2069 double chance; /* improvement-chance of one resistance type */
2070 double totalchance = 1; /* total chance of gaining one resistance */
2071 double bonus = 0; /* level bonus (improvement is easier at lowlevel) */
2072 double mbonus = 0; /* monster bonus */
2073 int atnr_winner[NROFATTACKS]; /* winning candidates for resistance improvement */
2074 int winners = 0; /* number of winners */
2075 int i; /* index */
2076
2077 /* let's make sure and doublecheck the parameters */
2078 if (meal->type != FLESH || !is_dragon_pl (op))
2079 return 0;
2080
2081 /* now grab the 'dragon_skin'- and 'dragon_ability'-forces
2082 from the player's inventory */
2083 for (tmp = op->inv; tmp; tmp = tmp->below)
2084 if (tmp->type == FORCE)
2085 if (tmp->arch->archname == shstr_dragon_skin_force)
2086 skin = tmp;
2087 else if (tmp->arch->archname == shstr_dragon_ability_force)
2088 abil = tmp;
2089
2090 /* if either skin or ability are missing, this is an old player
2091 which is not to be considered a dragon -> bail out */
2092 if (skin == NULL || abil == NULL)
2093 return 0;
2094
2095 /* now start by filling stomache and health, according to food-value */
2096 if ((999 - op->stats.food) < meal->stats.food)
2097 op->stats.hp += (999 - op->stats.food) / 50;
2098 else
2099 op->stats.hp += meal->stats.food / 50;
2100
2101 if (op->stats.hp > op->stats.maxhp)
2102 op->stats.hp = op->stats.maxhp;
2103
2104 op->stats.food = MIN (999, op->stats.food + meal->stats.food);
2105
2106 /*LOG(llevDebug, "-> player: %d, flesh: %d\n", op->level, meal->level); */
2107
2108 /* on to the interesting part: chances for adding resistance */
2109 for (i = 0; i < NROFATTACKS; i++)
2110 {
2111 if (meal->resist[i] > 0 && atnr_is_dragon_enabled (i))
2112 {
2113 /* got positive resistance, now calculate improvement chance (0-100) */
2114
2115 /* this bonus makes resistance increase easier at lower levels */
2116 bonus = (settings.max_level - op->level) * 30. / ((double) settings.max_level);
2117 if (i == abil->stats.exp)
2118 bonus += 5; /* additional bonus for resistance of ability-focus */
2119
2120 /* monster bonus increases with level, because high-level
2121 flesh is too rare */
2122 mbonus = op->level * 20. / ((double) settings.max_level);
2123
2124 chance = (((double) MIN (op->level + bonus, meal->level + bonus + mbonus)) * 100. /
2125 ((double) settings.max_level)) - skin->resist[i];
2126
2127 if (chance >= 0.)
2128 chance += 1.;
2129 else
2130 chance = (chance < -12) ? 0. : 1. / pow (2., -chance);
2131
2132 /* chance is proportional to amount of resistance (max. 50) */
2133 chance *= ((double) (MIN (meal->resist[i], 50))) / 50.;
2134
2135 /* doubled chance for resistance of ability-focus */
2136 if (i == abil->stats.exp)
2137 chance = MIN (100., chance * 2.);
2138
2139 /* now make the throw and save all winners (Don't insert luck bonus here!) */
2140 if (rndm (10000) < (unsigned int) (chance * 100))
2141 {
2142 atnr_winner[winners] = i;
2143 winners++;
2144 }
2145
2146 if (chance >= 0.01)
2147 totalchance *= 1 - chance / 100;
2148
2149 /*LOG(llevDebug, " %s: bonus %.1f, chance %.1f\n", attacks[i], bonus, chance); */
2150 }
2151 }
2152
2153 /* inverse totalchance as until now we have the failure-chance */
2154 totalchance = 100 - totalchance * 100;
2155
2156 /* print message according to totalchance */
2157 const char *buf;
2158 if (totalchance > 50.)
2159 buf = format ("Hmm! The %s tasted delicious!", &meal->name);
2160 else if (totalchance > 10.)
2161 buf = format ("The %s tasted very good.", &meal->name);
2162 else if (totalchance > 1.)
2163 buf = format ("The %s tasted good.", &meal->name);
2164 else if (totalchance > 0.1)
2165 buf = format ("The %s tasted bland.", &meal->name);
2166 else if (totalchance >= 0.01)
2167 buf = format ("The %s had a boring taste.", &meal->name);
2168 else if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat))
2169 buf = format ("The %s tasted strange.", &meal->name);
2170 else
2171 buf = format ("The %s had no taste.", &meal->name);
2172
2173 op->statusmsg (buf);
2174
2175 /* now choose a winner if we have any */
2176 i = -1;
2177 if (winners > 0)
2178 i = atnr_winner[RANDOM () % winners];
2179
2180 if (i >= 0 && i < NROFATTACKS && skin->resist[i] < 95)
2181 {
2182 /* resistance increased! */
2183 skin->resist[i]++;
2184 op->update_stats ();
2185
2186 op->statusmsg (format ("Your skin is now more resistant to %s!", change_resist_msg[i]));
2187 }
2188
2189 /* if this flesh contains a new ability focus, we mark it
2190 into the ability_force and it will take effect on next level */
2191 if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat) && meal->last_eat != abil->last_eat)
2192 {
2193 abil->last_eat = meal->last_eat; /* write: last_eat <new attnr focus> */
2194
2195 if (meal->last_eat != abil->stats.exp)
2196 op->statusmsg (format (
2197 "Your metabolism prepares to focus on %s!\n"
2198 "The change will happen at level %d.",
2199 change_resist_msg[meal->last_eat],
2200 abil->level + 1
2201 ));
2202 else
2203 {
2204 op->statusmsg (format ("Your metabolism will continue to focus on %s.", change_resist_msg[meal->last_eat]));
2205 abil->last_eat = 0;
2206 }
2207 }
2208
2209 return 1;
2210}
2211
2212/**
2213 * Handles applying an improve armor scroll.
2214 * Does some sanity checks, then calls improve_armour.
2215 */
2216static void
2217apply_armour_improver (object *op, object *tmp)
2218{
2219 object *armor;
2220
2221 if (!QUERY_FLAG (op, FLAG_WIZCAST) && (get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_NO_MAGIC))
2222 {
2223 op->failmsg ("Something blocks the magic of the scroll. H<This area prevents magic effects.>");
2224 return;
2225 }
2226
2227 armor = find_marked_object (op);
2228
2229 if (!armor)
2230 {
2231 op->failmsg ("You need to mark an armor object. Use the right mouse button popup or the mark command to do this.");
2232 return;
2233 }
2234
2235 if (armor->type != ARMOUR
2236 && armor->type != CLOAK
2237 && armor->type != BOOTS && armor->type != GLOVES && armor->type != BRACERS && armor->type != SHIELD && armor->type != HELMET)
2238 {
2239 op->failmsg ("Your marked item is not armour!\n");
2240 return;
2241 }
2242
2243 op->statusmsg ("Applying armour enchantment.");
2244 improve_armour (op, tmp, armor);
2245}
2246
2247extern void
2248apply_poison (object *op, object *tmp)
2249{
2250 if (op->type == PLAYER)
2251 {
2252 op->contr->play_sound (sound_find ("drink_poison"));
2253 op->failmsg ("Yech! That tasted poisonous!");
2254 strcpy (op->contr->killer, "poisonous booze");
2255 }
2256
2257 if (tmp->stats.hp > 0)
2258 {
2259 LOG (llevDebug, "Trying to poison player/monster for %d hp\n", tmp->stats.hp);
2260 hit_player (op, tmp->stats.hp, tmp, AT_POISON, 1);
2261 }
2262
2263 op->stats.food -= op->stats.food / 4;
2264 handle_apply_yield (tmp);
2265 decrease_ob (tmp);
2266}
2267
2268/**
2269 * This function return true if the exit is not a 2 ways one or it is 2 ways, valid exit.
2270 * A valid 2 way exit means:
2271 * -You can come back (there is another exit at the other side)
2272 * -You are
2273 * ° the owner of the exit
2274 * ° or in the same party as the owner
2275 *
2276 * Note: a owner in a 2 way exit is saved as the owner's name
2277 * in the field exit->name cause the field exit->owner doesn't
2278 * survive in the swapping (in fact the whole exit doesn't survive).
2279 */
2280int
2281is_legal_2ways_exit (object *op, object *exit)
2282{
2283 if (exit->stats.exp != 1)
2284 return 1; /*This is not a 2 way, so it is legal */
2285
2286#if 0 //TODO
2287 if (!has_been_loaded (EXIT_PATH (exit)) && exit->race)
2288 return 0; /* This is a reset town portal */
2289#endif
2290
2291 LOG (llevError | logBacktrace, "sync map load due to %s\n", exit->debug_desc ());
2292
2293 maptile *exitmap = maptile::find_sync (EXIT_PATH (exit), exit->map);
2294
2295 if (exitmap)
2296 {
2297 exitmap->load_sync ();
2298
2299 object *tmp = exitmap->at (EXIT_X (exit), EXIT_Y (exit)).bot;
2300
2301 if (!tmp)
2302 return 0;
2303
2304 for (; tmp; tmp = tmp->above)
2305 {
2306 if (tmp->type != EXIT)
2307 continue; /*Not an exit */
2308
2309 if (!EXIT_PATH (tmp))
2310 continue; /*Not a valid exit */
2311
2312 if ((EXIT_X (tmp) != exit->x) || (EXIT_Y (tmp) != exit->y))
2313 continue; /*Not in the same place */
2314
2315 if (exit->map->path != EXIT_PATH (tmp))
2316 continue; /*Not in the same map */
2317
2318 /* From here we have found the exit is valid. However we do
2319 * here the check of the exit owner. It is important for the
2320 * town portals to prevent strangers from visiting your appartments
2321 */
2322 if (!exit->race)
2323 return 1; /*No owner, free for all! */
2324
2325 object *exit_owner = 0;
2326
2327 for_all_players (pp)
2328 {
2329 if (!pp->ob)
2330 continue;
2331
2332 if (pp->ob->name != exit->race)
2333 continue;
2334
2335 exit_owner = pp->ob; /*We found a player which correspond to the player name */
2336 break;
2337 }
2338
2339 if (!exit_owner)
2340 return 0; /* No more owner */
2341
2342 if (exit_owner->contr == op->contr)
2343 return 1; /*It is your exit */
2344
2345 if (exit_owner && /*There is a owner */
2346 (op->contr) && /*A player tries to pass */
2347 ((exit_owner->contr->party == NULL) || /*No pass if controller has no party */
2348 (exit_owner->contr->party != op->contr->party))) /* Or not the same as op */
2349 return 0;
2350
2351 return 1;
2352 }
2353 }
2354
2355 return 0;
2356}
2357
2358/**
2359 * Main apply handler.
2360 *
2361 * Checks for unpaid items before applying.
2362 *
2363 * Return value:
2364 * 0: player or monster can't apply objects of that type
2365 * 1: has been applied, or there was an error applying the object
2366 * 2: objects of that type can't be applied if not in inventory
2367 *
2368 * op is the object that is causing object to be applied, tmp is the object
2369 * being applied.
2370 *
2371 * aflag is special (always apply/unapply) flags. Nothing is done with
2372 * them in this function - they are passed to apply_special
2373 */
2374int
2375manual_apply (object *op, object *tmp, int aflag)
2376{
2377 if (tmp->head)
2378 tmp = tmp->head;
2379
2380 if (QUERY_FLAG (tmp, FLAG_UNPAID) && !QUERY_FLAG (tmp, FLAG_APPLIED))
2381 {
2382 if (op->type == PLAYER)
2383 {
2384 op->failmsg ("You should pay for it first! H<You cannot use items marked as unpaid.>");
2385 return 1;
2386 }
2387 else
2388 return 0; /* monsters just skip unpaid items */
2389 }
2390
2391 if (INVOKE_OBJECT (APPLY, tmp, ARG_OBJECT (op)))
2392 return RESULT_INT (0);
2393
2394 switch (tmp->type)
2395 {
2396 case CF_HANDLE:
2397 op->play_sound (sound_find ("turn_handle"));
2398 op->statusmsg ("You turn the handle.");
2399 tmp->value = tmp->value ? 0 : 1;
2400 SET_ANIMATION (tmp, tmp->value);
2401 update_object (tmp, UP_OBJ_FACE);
2402 push_button (tmp);
2403 return 1;
2404
2405 case TRIGGER:
2406 if (check_trigger (tmp, op))
2407 {
2408 op->statusmsg ("You turn the handle.");
2409 op->play_sound (sound_find ("turn_handle"));
2410 }
2411 else
2412 op->failmsg ("The handle doesn't move.");
2413
2414 return 1;
2415
2416 case EXIT:
2417 if (op->type != PLAYER)
2418 return 0;
2419
2420 if (!EXIT_PATH (tmp) || !is_legal_2ways_exit (op, tmp))
2421 op->failmsg (format ("The %s is closed.", query_name (tmp)));
2422 else
2423 {
2424 /* Don't display messages for random maps. */
2425 if (tmp->msg && strncmp (EXIT_PATH (tmp), "/!", 2))
2426 op->statusmsg (tmp->msg, NDI_NAVY);
2427
2428 op->enter_exit (tmp);
2429 }
2430
2431 return 1;
2432
2433 case INSCRIBABLE:
2434 op->statusmsg (tmp->msg);
2435 // maybe show a spell menu to chose from or something like that
2436 return 1;
2437
2438 case SIGN:
2439 apply_sign (op, tmp, 0);
2440 return 1;
2441
2442 case BOOK:
2443 if (op->type == PLAYER)
2444 {
2445 apply_book (op, tmp);
2446 return 1;
2447 }
2448 else
2449 return 0;
2450
2451 case SKILLSCROLL:
2452 if (op->type == PLAYER)
2453 {
2454 apply_skillscroll (op, tmp);
2455 return 1;
2456 }
2457 else
2458 return 0;
2459
2460 case SPELLBOOK:
2461 if (op->type == PLAYER)
2462 {
2463 apply_spellbook (op, tmp);
2464 return 1;
2465 }
2466 else
2467 return 0;
2468
2469 case SCROLL:
2470 apply_scroll (op, tmp, 0);
2471 return 1;
2472
2473 case POTION:
2474 apply_potion (op, tmp);
2475 return 1;
2476
2477 /* Eneq(@csd.uu.se): Handle apply on containers. */
2478 //TODO: remove, as it is unsed?
2479 case CLOSE_CON:
2480 apply_container (op, tmp->env);
2481 return 1;
2482
2483 case CONTAINER:
2484 apply_container (op, tmp);
2485 return 1;
2486
2487 case TREASURE:
2488 if (op->type == PLAYER)
2489 {
2490 apply_treasure (op, tmp);
2491 return 1;
2492 }
2493 else
2494 return 0;
2495
2496 case WEAPON:
2497 case ARMOUR:
2498 case BOOTS:
2499 case GLOVES:
2500 case AMULET:
2501 case GIRDLE:
2502 case BRACERS:
2503 case SHIELD:
2504 case HELMET:
2505 case RING:
2506 case CLOAK:
2507 case WAND:
2508 case ROD:
2509 case HORN:
2510 case SKILL:
2511 case BOW:
2512 case LAMP:
2513 case BUILDER:
2514 case SKILL_TOOL:
2515 if (tmp->env != op)
2516 return 2; /* not in inventory */
2517
2518 apply_special (op, tmp, aflag);
2519 return 1;
2520
2521 case DRINK:
2522 case FOOD:
2523 case FLESH:
2524 apply_food (op, tmp);
2525 return 1;
2526
2527 case POISON:
2528 apply_poison (op, tmp);
2529 return 1;
2530
2531 case SAVEBED:
2532 return 1;
2533
2534 case ARMOUR_IMPROVER:
2535 if (op->type == PLAYER)
2536 {
2537 apply_armour_improver (op, tmp);
2538 return 1;
2539 }
2540 else
2541 return 0;
2542
2543 case WEAPON_IMPROVER:
2544 check_improve_weapon (op, tmp);
2545 return 1;
2546
2547 case CLOCK:
2548 if (op->type == PLAYER)
2549 {
2550 char buf[MAX_BUF];
2551 timeofday_t tod;
2552
2553 get_tod (&tod);
2554 op->play_sound (sound_find ("sound_clock"));
2555 op->statusmsg (format (
2556 "It is %d minute%s past %d o'clock %s",
2557 tod.minute + 1, ((tod.minute + 1 < 2) ? "" : "s"),
2558 ((tod.hour % 14 == 0) ? 14 : ((tod.hour) % 14)), ((tod.hour >= 14) ? "pm" : "am")
2559 ));
2560 return 1;
2561 }
2562 else
2563 return 0;
2564
2565 case MENU:
2566 if (op->type == PLAYER)
2567 {
2568 shop_listing (tmp, op);
2569 return 1;
2570 }
2571 else
2572 return 0;
2573
2574 case POWER_CRYSTAL:
2575 apply_power_crystal (op, tmp); /* see egoitem.c */
2576 return 1;
2577
2578 case LIGHTER: /* for lighting torches/lanterns/etc */
2579 if (op->type == PLAYER)
2580 {
2581 apply_lighter (op, tmp);
2582 return 1;
2583 }
2584 else
2585 return 0;
2586
2587 case ITEM_TRANSFORMER:
2588 apply_item_transformer (op, tmp);
2589 return 1;
2590
2591 default:
2592 return 0;
2593 }
2594}
2595
2596
2597/* quiet suppresses the "don't know how to apply" and "you must get it first"
2598 * messages as needed by player_apply_below(). But there can still be
2599 * "but you are floating high above the ground" messages.
2600 *
2601 * Same return value as apply() function.
2602 */
2603int
2604player_apply (object *pl, object *op, int aflag, int quiet)
2605{
2606 int tmp;
2607
2608 if (op->env && (pl->move_type & MOVE_FLYING))
2609 {
2610 /* player is flying and applying object not in inventory */
2611 if (!QUERY_FLAG (pl, FLAG_WIZ) && !(op->move_type & MOVE_FLYING))
2612 {
2613 pl->failmsg ("But you are floating high above the ground! H<You have to stop levitating first, if you can.>");
2614 return 0;
2615 }
2616 }
2617
2618 pl->contr->last_used = op;
2619
2620 tmp = manual_apply (pl, op, aflag);
2621 if (!quiet)
2622 {
2623 if (tmp == 0)
2624 pl->statusmsg (format ("I don't know how to apply the %s.", query_name (op)));
2625 else if (tmp == 2)
2626 pl->failmsg ("You must get it first!\n");
2627 }
2628
2629 return tmp;
2630}
2631
2632/**
2633 * player_apply_below attempts to apply the object 'below' the player.
2634 * If the player has an open container, we use that for below, otherwise
2635 * we use the ground.
2636 */
2637void
2638player_apply_below (object *pl)
2639{
2640 int floors = 0;
2641
2642 /* If using a container, set the starting item to be the top
2643 * item in the container. Otherwise, use the map.
2644 * This is perhaps more complicated. However, I want to make sure that
2645 * we don't use a corrupt pointer for the next object, so we get the
2646 * next object in the stack before applying. This is can only be a
2647 * problem if player_apply() has a bug in that it uses the object but does
2648 * not return a proper value.
2649 */
2650 for (object *next, *tmp = pl->container ? pl->container->inv : pl->below; tmp; tmp = next)
2651 {
2652 next = tmp->below;
2653
2654 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR))
2655 floors++;
2656 else if (floors > 0)
2657 return; /* process only floor objects after first floor object */
2658
2659 /* If it is visible, player can apply it. If it is applied by
2660 * person moving on it, also activate. Added code to make it
2661 * so that at least one of players movement types be that which
2662 * the item needs.
2663 */
2664 if (!tmp->invisible || (tmp->move_on & pl->move_type))
2665 {
2666 if (player_apply (pl, tmp, 0, 1) == 1)
2667 return;
2668 }
2669 if (floors >= 2)
2670 return; /* process at most two floor objects */
2671 }
2672} 1023}
2673 1024
2674/** 1025/**
2675 * Unapplies specified item. 1026 * Unapplies specified item.
2676 * No check done on cursed/damned. 1027 * No check done on cursed/damned.
2677 * Break this out of apply_special - this is just done 1028 * Break this out of apply_special - this is just done
2678 * to keep the size of apply_special to a more managable size. 1029 * to keep the size of apply_special to a more managable size.
2679 */ 1030 */
2680static int 1031static bool
2681unapply_special (object *who, object *op, int aflags) 1032unapply_special (object *who, object *op, int aflags)
2682{ 1033{
2683 if (INVOKE_OBJECT (BE_UNREADY, op, ARG_OBJECT (who), ARG_INT (aflags)) 1034 if (INVOKE_OBJECT (BE_UNREADY, op, ARG_OBJECT (who), ARG_INT (aflags))
2684 || INVOKE_OBJECT (UNREADY, who, ARG_OBJECT (op), ARG_INT (aflags))) 1035 || INVOKE_OBJECT (UNREADY, who, ARG_OBJECT (op), ARG_INT (aflags)))
2685 return RESULT_INT (0); 1036 return RESULT_INT (0);
2686 1037
2687 CLEAR_FLAG (op, FLAG_APPLIED); 1038 if (who->current_weapon == op)
1039 who->current_weapon = 0;
1040
1041 op->flag [FLAG_APPLIED] = false;
2688 1042
2689 switch (op->type) 1043 switch (op->type)
2690 { 1044 {
2691 case SKILL_TOOL: 1045 case SKILL:
1046 if (player *pl = who->contr)
1047 if (op->invisible)
1048 pl->statusmsg (format ("You can no longer use the %s skill.", &op->skill));
1049 else
1050 pl->statusmsg (format ("You stop using the %s.", query_name (op)));
1051
1052 change_abil (who, op);
1053 who->flag [FLAG_READY_SKILL] = false;
1054 break;
1055
1056 case WEAPON:
1057 who->statusmsg (format ("You unwield %s.", query_name (op)));
1058 change_abil (who, op);
1059 who->flag [FLAG_READY_WEAPON] = false;
1060
2692 // unapplying a skill tool should also unapply the skill it governs 1061 // unapplying a weapon or skill tool should also unapply the skill it governs
2693 // but this is hard, as it shouldn't do so when the skill can 1062 // but this is hard, as it shouldn't do so when the skill can
2694 // be used for other reasons 1063 // be used for other reasons
2695 for (object *tmp = who->inv; tmp; tmp = tmp->below) 1064 if (who->chosen_skill)
2696 if (tmp->skill == op->skill 1065 if (!who->chosen_skill->flag [FLAG_CAN_USE_SKILL])
2697 && tmp->type == SKILL
2698 && tmp->flag [FLAG_APPLIED]
2699 && !tmp->flag [FLAG_CAN_USE_SKILL])
2700 unapply_special (who, tmp, 0); 1066 unapply_special (who, op, 0);
2701 1067
2702 change_abil (who, op);
2703 break; 1068 break;
2704 1069
1070 case BOW:
2705 case WEAPON: 1071 case WAND:
1072 case ROD:
1073 case HORN:
1074 case RANGED:
2706 if (player *pl = who->contr) 1075 if (player *pl = who->contr)
2707 if (op == pl->combat_ob)
2708 {
2709 pl->combat_ob = 0;
2710 who->change_weapon (pl->ranged_ob);
2711 }
2712
2713 who->statusmsg (format ("You unwield %s.", query_name (op)));
2714
2715 change_abil (who, op);
2716 CLEAR_FLAG (who, FLAG_READY_WEAPON);
2717 break;
2718
2719 case SKILL:
2720 if (who->contr)
2721 { 1076 {
2722 if (!op->invisible)
2723 who->statusmsg (format ("You stop using the %s.", query_name (op))); 1077 who->statusmsg (format ("You unready %s.", query_name (op)));
1078 change_abil (who, op);
1079 }
1080 else
1081 {
1082 who->change_skill (0);
1083
1084 if (op->type == BOW)
1085 op->flag [FLAG_READY_BOW ] = false;
2724 else 1086 else
2725 who->statusmsg (format ("You can no longer use the skill: %s.", &op->skill)); 1087 op->flag [FLAG_READY_RANGE] = false;
2726 } 1088 }
2727 1089
2728 change_abil (who, op);
2729 CLEAR_FLAG (who, FLAG_READY_SKILL);
2730 break; 1090 break;
2731 1091
2732 case ARMOUR: 1092 case ARMOUR:
2733 case HELMET: 1093 case HELMET:
2734 case SHIELD: 1094 case SHIELD:
… …
2741 case CLOAK: 1101 case CLOAK:
2742 who->statusmsg (format ("You unwear %s.", query_name (op))); 1102 who->statusmsg (format ("You unwear %s.", query_name (op)));
2743 change_abil (who, op); 1103 change_abil (who, op);
2744 break; 1104 break;
2745 1105
2746 case LAMP: 1106 case SPELL:
2747 {
2748 who->statusmsg (format ("You turn off your %s.", &op->name));
2749
2750 object *tmp2 = arch_to_object (op->other_arch);
2751 tmp2->x = op->x;
2752 tmp2->y = op->y;
2753 tmp2->map = op->map;
2754 tmp2->below = op->below;
2755 tmp2->above = op->above;
2756 tmp2->stats.food = op->stats.food;
2757 CLEAR_FLAG (tmp2, FLAG_APPLIED);
2758
2759 if (QUERY_FLAG (op, FLAG_INV_LOCKED))
2760 SET_FLAG (tmp2, FLAG_INV_LOCKED);
2761
2762 if (who->contr)
2763 esrv_del_item (who->contr, op->count);
2764
2765 op->destroy ();
2766 insert_ob_in_ob (tmp2, who);
2767 who->update_stats ();
2768
2769 if (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED))
2770 {
2771 if (who->contr)
2772 {
2773 who->failmsg ("Oops, it feels deadly cold!");
2774 SET_FLAG (tmp2, FLAG_KNOWN_CURSED);
2775 }
2776 }
2777
2778 if (who->contr)
2779 esrv_send_item (who, tmp2);
2780 }
2781
2782 return 1; /* otherwise, an attempt to drop causes problems */
2783
2784 case BOW: 1107 case BUILDER:
2785 case WAND:
2786 case ROD:
2787 case HORN:
2788 if (player *pl = who->contr)
2789 {
2790 if (op == pl->ranged_ob)
2791 {
2792 pl->ranged_ob = 0;
2793 who->change_weapon (pl->combat_ob);
2794 }
2795
2796 who->statusmsg (format ("You unready %s.", query_name (op))); 1108 who->statusmsg (format ("You unready %s.", query_name (op)));
2797 }
2798 else
2799 {
2800 who->change_skill (0);
2801
2802 if (op->type == BOW)
2803 CLEAR_FLAG (who, FLAG_READY_BOW);
2804 else
2805 CLEAR_FLAG (who, FLAG_READY_RANGE);
2806 }
2807
2808 break; 1109 break;
2809 1110
2810 case BUILDER: 1111 //case SKILL_TOOL://TODO
2811 if (who->contr)
2812 who->statusmsg (format ("You unready %s.", query_name (op)));
2813 break;
2814
2815 default: 1112 default:
2816 who->statusmsg (format ("You unapply %s.", query_name (op))); 1113 who->statusmsg (format ("You unapply %s.", query_name (op)));
2817 break; 1114 break;
2818 } 1115 }
2819 1116
1117 if (aflags & AP_NO_MERGE || !merge_ob (op, 0))
1118 if (object *pl = op->visible_to ())
1119 esrv_send_item (pl, op);
1120
2820 who->update_stats (); 1121 who->update_stats ();
2821 1122
2822 if (!(aflags & AP_NO_MERGE))
2823 {
2824 object *tmp = merge_ob (op, 0);
2825
2826 if (who->contr)
2827 {
2828 if (tmp)
2829 { /* it was merged */
2830 esrv_del_item (who->contr, op->count);
2831 op = tmp;
2832 }
2833
2834 esrv_send_item (who, op);
2835 }
2836 }
2837
2838 return 0; 1123 return 1;
2839} 1124}
2840 1125
2841/** 1126/**
2842 * Returns the object that is using location 'loc'. 1127 * Returns the object that is using location 'loc'.
2843 * Note that 'start' is the first object to start examing - we 1128 * Note that 'start' is the first object to start examing - we
… …
2855static object * 1140static object *
2856get_next_item_from_body_location (int loc, object *start) 1141get_next_item_from_body_location (int loc, object *start)
2857{ 1142{
2858 for (object *tmp = start; tmp; tmp = tmp->below) 1143 for (object *tmp = start; tmp; tmp = tmp->below)
2859 if (tmp->flag [FLAG_APPLIED] 1144 if (tmp->flag [FLAG_APPLIED]
2860 && tmp->slot[loc].info 1145 && tmp->slot [loc].info
2861 && (!tmp->invisible || tmp->type == SKILL)) 1146 && (!tmp->invisible || tmp->type == SKILL || tmp->type == SPELL))
2862 return tmp; 1147 return tmp;
2863 1148
2864 return 0; 1149 return 0;
2865} 1150}
2866 1151
… …
2879#define CANNOT_REMOVE_CURSED \ 1164#define CANNOT_REMOVE_CURSED \
2880 "H<You cannot remove cursed or damned items, you first have to remove the curse. " \ 1165 "H<You cannot remove cursed or damned items, you first have to remove the curse. " \
2881 "Praying over an altar, scrolls of remove curse/damnation, " \ 1166 "Praying over an altar, scrolls of remove curse/damnation, " \
2882 "priests or even other players might help.>" 1167 "priests or even other players might help.>"
2883 1168
2884int 1169static bool
2885unapply_for_ob (object *who, object *op, int aflags) 1170unapply_for_ob (object *who, object *op, int aflags)
2886{ 1171{
2887 if (op->is_range ()) 1172 if (op->is_range ())
2888 for (object *tmp = who->inv; tmp; tmp = tmp->below) 1173 for (object *tmp = who->inv; tmp; tmp = tmp->below)
2889 if (QUERY_FLAG (tmp, FLAG_APPLIED) && tmp->is_range ()) 1174 if (QUERY_FLAG (tmp, FLAG_APPLIED) && tmp->is_range ())
… …
3011 continue; 1296 continue;
3012 } 1297 }
3013 1298
3014 object *tmp1 = get_next_item_from_body_location (i, who->inv); 1299 object *tmp1 = get_next_item_from_body_location (i, who->inv);
3015 if (!tmp1) 1300 if (!tmp1)
3016 {
3017#if 0
3018 /* This is sort of an error, but happens a lot when old players
3019 * join in with more stuff equipped than they are now allowed.
3020 */
3021 LOG (llevError, "Can't find object using location %d on %s\n", i, who->name);
3022#endif
3023 retval |= CAN_APPLY_NEVER; 1301 retval |= CAN_APPLY_NEVER;
3024 }
3025 else 1302 else
3026 { 1303 {
3027 /* need to unapply something. However, if this something 1304 /* need to unapply something. However, if this something
3028 * is different than we had found before, it means they need 1305 * is different than we had found before, it means they need
3029 * to apply multiple objects 1306 * to apply multiple objects
… …
3109 */ 1386 */
3110 1387
3111#define LACK_ITEM_POWER \ 1388#define LACK_ITEM_POWER \
3112 " H<You lack enough unused item power to use this weapon, see the skills command.>" 1389 " H<You lack enough unused item power to use this weapon, see the skills command.>"
3113 1390
3114int 1391static bool
3115apply_special (object *who, object *op, int aflags) 1392apply_special (object *who, object *op, int aflags)
3116{ 1393{
3117 int basic_flag = aflags & AP_BASIC_FLAGS; 1394 int basic_flag = aflags & AP_MODE;
3118 object *tmp, *tmp2, *skop = NULL; 1395 object *tmp, *tmp2, *skop = NULL;
3119 1396
3120 if (who == NULL) 1397 if (who == NULL)
3121 { 1398 {
3122 LOG (llevError, "apply_special() from object without environment.\n"); 1399 LOG (llevError, "apply_special() from object without environment.\n");
3123 return 1; 1400 return 1;
3124 } 1401 }
3125 1402
1403 //TODO: remove these when apply_special is no longer exposed
3126 if (op->env != who) 1404 if (op->env != who)
3127 return 1; /* op is not in inventory */ 1405 return 1; /* op is not in inventory */
3128 1406
3129 /* trying to unequip op */ 1407 /* trying to unequip op */
3130 if (QUERY_FLAG (op, FLAG_APPLIED)) 1408 if (QUERY_FLAG (op, FLAG_APPLIED))
… …
3139 return 1; 1417 return 1;
3140 } 1418 }
3141 1419
3142 return unapply_special (who, op, aflags); 1420 return unapply_special (who, op, aflags);
3143 } 1421 }
3144
3145 if (basic_flag == AP_UNAPPLY) 1422 else if (basic_flag == AP_UNAPPLY)
3146 return 0; 1423 return 0;
3147
3148 // if the item is combat/ranged, wield the relevant slot first
3149 // to resolve conflicts.
3150 if (player *pl = who->contr)
3151 switch (op->slottype ())
3152 {
3153 case slot_combat: who->change_weapon (pl->combat_ob); break;
3154 case slot_ranged: who->change_weapon (pl->ranged_ob); break;
3155 }
3156 1424
3157 splay (op); 1425 splay (op);
3158 1426
3159 /* Can't just apply this object. Lets see what not and what to do */ 1427 /* Can't just apply this object. Lets see what not and what to do */
3160 if (int i = can_apply_object (who, op)) 1428 if (int i = can_apply_object (who, op))
… …
3194 } 1462 }
3195 } 1463 }
3196 1464
3197 if (op->skill && op->type != SKILL && op->type != SKILL_TOOL) 1465 if (op->skill && op->type != SKILL && op->type != SKILL_TOOL)
3198 { 1466 {
1467 // try to ready attached skill first
3199 skop = find_skill_by_name (who, op->skill); 1468 skop = find_skill_by_name (who, op->skill);
3200 1469
3201 if (!skop) 1470 if (!skop)
3202 { 1471 {
3203 who->failmsg (format ("You need the %s skill to use this item!", &op->skill)); 1472 who->failmsg (format ("You need the %s skill to use this item!", &op->skill));
3204 return 1; 1473 return 1;
3205 } 1474 }
3206 else 1475 else if (!who->apply (skop, AP_APPLY | AP_NO_SLOT))
3207 /* While experience will be credited properly, we want to change the
3208 * skill so that the dam and wc get updated
3209 */ 1476 {
3210 who->change_skill (skop); 1477 who->failmsg (format ("You can't use the required %s skill!", &op->skill));
1478 return 1;
1479 }
3211 } 1480 }
3212 1481
3213 if (who->type == PLAYER 1482 if (!check_item_power (who, op->item_power))
3214 && op->item_power
3215 && op->item_power + who->contr->item_power > settings.item_power_factor * who->level)
3216 { 1483 {
3217 who->failmsg ("Equipping that combined with other items would consume your soul!" LACK_ITEM_POWER); 1484 who->failmsg ("Equipping that combined with other items would consume your soul!" LACK_ITEM_POWER);
3218 return 1; 1485 return 1;
3219 } 1486 }
3220 1487
3221 /* Ok. We are now at the state where we can apply the new object. 1488 /* Ok. We are now at the state where we can apply the new object.
3222 * Note that we don't have the checks for can_use_... 1489 * Note that we don't have the checks for can_use_...
3223 * below - that is already taken care of by can_apply_object. 1490 * below - that is already taken care of by can_apply_object.
3224 */ 1491 */
3225 if (op->nrof > 1) 1492
3226 tmp = get_split_ob (op, op->nrof - 1); 1493 // split away all the other items from the stack, so only one item is left
3227 else 1494 tmp = op->nrof > 1 ? op->split (op->nrof - 1) : 0;
3228 tmp = 0;
3229 1495
3230 if (INVOKE_OBJECT (BE_READY, op, ARG_OBJECT (who)) || INVOKE_OBJECT (READY, who, ARG_OBJECT (op))) 1496 if (INVOKE_OBJECT (BE_READY, op, ARG_OBJECT (who)) || INVOKE_OBJECT (READY, who, ARG_OBJECT (op)))
3231 return RESULT_INT (0); 1497 return RESULT_INT (0);
3232 1498
3233 switch (op->type) 1499 switch (op->type)
3234 { 1500 {
3235 case WEAPON: 1501 case WEAPON:
3236 if (!check_weapon_power (who, op->last_eat)) 1502 if (op->level && (!op->name.starts_with (who->name) || op->name [who->name.length ()] != '\''))
3237 {
3238 op->failmsg ("This weapon is too powerful for you to use. It would consume your soul!." LACK_ITEM_POWER);
3239
3240 if (tmp)
3241 insert_ob_in_ob (tmp, who);
3242
3243 return 1;
3244 }
3245
3246 //TODO: this obviously fails for players using a shorter prefix
3247 // i.e. "R" can use Ragnarok's sword.
3248 if (op->level && (strncmp (op->name, who->name, strlen (who->name))))
3249 { 1503 {
3250 /* if the weapon does not have the name as the character, can't use it. */ 1504 /* if the weapon does not have the name as the character, can't use it. */
3251 /* (Ragnarok's sword attempted to be used by Foo: won't work) */ 1505 /* (Ragnarok's sword attempted to be used by Foo: won't work) */
3252 who->failmsg ("The weapon does not recognize you as its owner. H<Its name indicates that it belongs to somebody else.>"); 1506 who->failmsg ("The weapon does not recognize you as its owner. "
3253 1507 "H<Its name indicates that it belongs to somebody else.>");
3254 if (tmp) 1508 if (tmp) who->insert (tmp);
3255 insert_ob_in_ob (tmp, who);
3256
3257 return 1; 1509 return 1;
3258 } 1510 }
3259 1511
3260 if (!skop) 1512 op->flag [FLAG_APPLIED] = true;
1513
1514 if (player *pl = who->contr)
3261 { 1515 {
3262 who->failmsg (format ("The %s is broken, please report this to the dungeon master!", query_name (op)));//TODO 1516 who->statusmsg (format ("You wield %s.", query_name (op)));
3263 return 1; 1517 change_abil (who, op);
3264 } 1518 }
3265 1519 else
3266 SET_FLAG (op, FLAG_APPLIED);
3267 who->change_skill (skop); 1520 who->change_skill (skop);
3268 1521
3269 if (who->contr) 1522 op->flag [FLAG_READY_WEAPON] = true;
3270 who->change_weapon (who->contr->combat_ob = op);
3271
3272 who->statusmsg (format ("You wield %s.", query_name (op)));
3273
3274 SET_FLAG (who, FLAG_READY_WEAPON);
3275 change_abil (who, op);
3276 break; 1523 break;
3277 1524
3278 case ARMOUR: 1525 case ARMOUR:
3279 case HELMET: 1526 case HELMET:
3280 case SHIELD: 1527 case SHIELD:
… …
3288 SET_FLAG (op, FLAG_APPLIED); 1535 SET_FLAG (op, FLAG_APPLIED);
3289 who->statusmsg (format ("You wear %s.", query_name (op))); 1536 who->statusmsg (format ("You wear %s.", query_name (op)));
3290 change_abil (who, op); 1537 change_abil (who, op);
3291 break; 1538 break;
3292 1539
1540 case SKILL_TOOL:
1541 // applying a skill tool does not ready the skill
1542 // if something needs the skill, it has to ready it itself
1543 //TODO: unapplying should unapply the skill, though
1544 SET_FLAG (op, FLAG_APPLIED);
1545 break;
1546
3293 case LAMP: 1547 case SKILL:
3294 if (op->stats.food < 1) 1548 if (!(aflags & AP_NO_SLOT))
3295 { 1549 {
3296 who->failmsg (format ( 1550 // skill is used on it's own, as opposed to being a chosen_skill
3297 "Your %s is out of fuel! "
3298 "H<Lamps and similar items need fuel. They cannot be refilled.>",
3299 &op->name
3300 ));
3301 return 1;
3302 }
3303 1551
3304 who->statusmsg (format ("You turn on your %s.", &op->name)); 1552 if (skill_flags [op->subtype] & (SF_NEED_ITEM | SF_MANA))
3305
3306 tmp2 = arch_to_object (op->other_arch);
3307 tmp2->stats.food = op->stats.food;
3308 SET_FLAG (tmp2, FLAG_APPLIED);
3309
3310 if (QUERY_FLAG (op, FLAG_INV_LOCKED))
3311 SET_FLAG (tmp2, FLAG_INV_LOCKED);
3312
3313 insert_ob_in_ob (tmp2, who);
3314
3315 /* Remove the old lantern */
3316 if (who->type == PLAYER)
3317 esrv_del_item (who->contr, op->count);
3318
3319 op->destroy ();
3320
3321 /* insert the portion that was split off */
3322 if (tmp)
3323 {
3324 insert_ob_in_ob (tmp, who);
3325 if (who->type == PLAYER)
3326 esrv_send_item (who, tmp);
3327 }
3328
3329 who->update_stats ();
3330
3331 if (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED))
3332 if (who->type == PLAYER)
3333 {
3334 who->failmsg ("Oops, it feels deadly cold! H<Maybe it wasn't such a bright idea to apply this cursed/damned item.>");
3335 SET_FLAG (tmp2, FLAG_KNOWN_CURSED);
3336 }
3337
3338 if (who->type == PLAYER)
3339 esrv_send_item (who, tmp2);
3340
3341 return 0;
3342
3343 case SKILL_TOOL:
3344 // applying a skill tool also readies the skill
3345 SET_FLAG (op, FLAG_APPLIED);
3346
3347 if (!(aflags & AP_NO_READY))
3348 {
3349 skop = find_skill_by_name (who, op->skill);
3350 if (!skop->flag [FLAG_APPLIED])
3351 apply_special (who, skop, AP_APPLY);
3352 }
3353 break;
3354
3355 case SKILL:
3356 if (player *pl = who->contr)
3357 {
3358 if (IS_COMBAT_SKILL (op->subtype))
3359 { 1553 {
3360 if (skill_flags [op->subtype] & SF_NEED_WEAPON)
3361 {
3362 for (object *item = who->inv; item; item = item->below)
3363 if (item->type == WEAPON && item->flag [FLAG_APPLIED])
3364 {
3365 if (item->skill == op->skill)
3366 {
3367 who->change_weapon (pl->combat_ob = item);
3368 goto found_weapon;
3369 }
3370 }
3371
3372 who->failmsg (format ( 1554 who->failmsg (format (
3373 "You need to apply a '%s' melee weapon before readying this skill. " 1555 "You feel as if you wanted to do something funny, but you can't remember what. "
3374 "H<Some skills need an item, in this case a melee weapon, to function.>", 1556 "H<The %s skill needs something else to function, for example a tool, weapon, rod, or spell. "
3375 &op->skill 1557 "It cannot be used on its own.>",
3376 ));
3377 return 1;
3378
3379 found_weapon:;
3380 }
3381 else
3382 who->change_weapon (pl->combat_ob = op);
3383 }
3384 else if (IS_RANGED_SKILL (op->subtype))
3385 {
3386 if (skill_flags [op->subtype] & SF_NEED_BOW)
3387 {
3388 for (object *item = who->inv; item; item = item->below)
3389 if (item->type == BOW && item->flag [FLAG_APPLIED])
3390 {
3391 //TODO: bows should/must all have skill missile weapon right now
3392 who->change_weapon (pl->ranged_ob = item);
3393 goto found_bow;
3394 }
3395
3396 who->failmsg (
3397 "You need to apply a missile weapon before readying this skill. "
3398 "H<Some skills need an item, in this case a missile weapon, to function.>"
3399 );
3400 return 1;
3401
3402 found_bow:;
3403 }
3404 else
3405 who->change_weapon (pl->ranged_ob = op);
3406 }
3407
3408 if (!op->invisible)
3409 {
3410 who->statusmsg (format (
3411 "You ready %s."
3412 "You can now use the skill: %s.",
3413 query_name (op),
3414 &op->skill 1558 &op->skill
3415 )); 1559 ));
1560 if (tmp) who->insert (tmp);
1561 return 1;
3416 } 1562 }
1563
1564 if (skill_flags [op->subtype] & SF_AUTARK
1565 || !(skill_flags [op->subtype] & (SF_COMBAT | SF_RANGED)))
1566 {
1567 if (skill_flags [op->subtype] & SF_USE)
1568 who->failmsg (format (
1569 "You feel as if you wanted to do something funny, but you can't remember what. "
1570 "H<The %s skill cannot be readied, instead, try C<use_skill %s>.>",
1571 &op->skill, &op->skill
1572 ));
1573 else
1574 who->failmsg (format (
1575 "You feel as if you wanted to do something funny, but you can't remember what. "
1576 "H<The %s skill cannot be readied or used, it is always active.>",
1577 &op->skill
1578 ));
1579
1580 if (tmp) who->insert (tmp);
1581
1582 return 1;
1583 }
1584
1585 if (who->contr)
1586 if (op->invisible)
1587 who->statusmsg (format ("You can now use the %s skill.", &op->skill));
3417 else 1588 else
3418 who->statusmsg (format ("Readied skill: %s.", op->skill ? &op->skill : &op->name)); 1589 who->statusmsg (format ("You ready %s.", query_name (op)));
3419 } 1590 }
3420 else 1591
3421 {
3422 SET_FLAG (op, FLAG_APPLIED);
3423 change_abil (who, op);
3424 who->chosen_skill = op;
3425 SET_FLAG (who, FLAG_READY_SKILL); 1592 SET_FLAG (who, FLAG_READY_SKILL);
3426 } 1593 SET_FLAG (op, FLAG_APPLIED);
3427 1594 change_abil (who, op);
3428 break; 1595 break;
3429 1596
3430 case BOW: 1597 case BOW:
3431 if (!check_weapon_power (who, op->last_eat)) 1598 if (op->level && (!op->name.starts_with (who->name) || op->name [who->name.length ()] != '\''))
3432 {
3433 who->failmsg ("That weapon is too powerful for you to use. It would consume your soul!" LACK_ITEM_POWER);
3434
3435 if (tmp)
3436 insert_ob_in_ob (tmp, who);
3437
3438 return 1;
3439 }
3440
3441 if (op->level && (strncmp (op->name, who->name, strlen (who->name))))
3442 { 1599 {
3443 who->failmsg ("The weapon does not recognize you as its owner. " 1600 who->failmsg ("The weapon does not recognize you as its owner. "
3444 "H<Its name indicates that it belongs to somebody else.>"); 1601 "H<Its name indicates that it belongs to somebody else.>");
3445 if (tmp) 1602 if (tmp) who->insert (tmp);
3446 insert_ob_in_ob (tmp, who);
3447
3448 return 1; 1603 return 1;
3449 } 1604 }
1605
1606 if (player *pl = who->contr)
1607 {
1608 op->flag [FLAG_APPLIED] = true;
1609 who->statusmsg (format ("You wield the %s.", query_name (op)));
1610 change_abil (who, op);
1611 }
1612 break;
1613
1614 case RANGED:
1615 if (player *pl = who->contr)
1616 {
1617 op->flag [FLAG_APPLIED] = true;
1618 who->statusmsg (format ("You applied the %s.", query_name (op)));
1619 }
1620 break;
1621
1622 case SPELL:
1623 if (player *pl = who->contr)
1624 {
1625 op->flag [FLAG_APPLIED] = true;
1626 who->statusmsg (format ("You ready the spell %s.", query_name (op)));
1627 }
1628 break;
3450 1629
3451 /*FALLTHROUGH*/ 1630 /*FALLTHROUGH*/
3452 case WAND: 1631 case WAND:
3453 case ROD: 1632 case ROD:
3454 case HORN: 1633 case HORN:
3455 /* check for skill, alter player status */ 1634 /* check for skill, alter player status */
3456 1635
3457 if (!skop) 1636 if (!skop)
3458 { 1637 {
3459 who->failmsg (format ("The %s is broken, please report this to the dungeon master!", query_name (op)));//TODO 1638 who->failmsg (format ("The %s is broken, please report this to the dungeon master!", query_name (op)));//TODO
1639 if (tmp) who->insert (tmp);
3460 return 1; 1640 return 1;
3461 } 1641 }
3462 1642
3463 SET_FLAG (op, FLAG_APPLIED); 1643 op->flag [FLAG_APPLIED] = true;
3464 who->change_skill (skop);
3465 1644
3466 if (who->contr) 1645 if (player *pl = who->contr)
3467 { 1646 {
3468 who->contr->ranged_ob = op;
3469
3470 who->statusmsg (format ("You ready %s.", query_name (op))); 1647 who->statusmsg (format ("You ready %s.", query_name (op)));
3471 1648
3472 if (op->type == BOW) 1649 if (op->type == BOW)
3473 {
3474 who->current_weapon = op;
3475 change_abil (who, op);
3476 who->statusmsg (format ("You will now fire %s with %s.", op->race ? &op->race : "nothing", query_name (op))); 1650 who->statusmsg (format ("You will now fire %s with %s.", op->race ? &op->race : "nothing", query_name (op)));
3477 } 1651
1652 change_abil (who, op);
3478 } 1653 }
3479 else 1654 else
3480 { 1655 {
1656 who->change_skill (skop);
1657
3481 if (op->type == BOW) 1658 if (op->type == BOW)
3482 SET_FLAG (who, FLAG_READY_BOW); 1659 op->flag [FLAG_READY_BOW ] = true;
3483 else 1660 else
3484 SET_FLAG (who, FLAG_READY_RANGE); 1661 op->flag [FLAG_READY_RANGE] = true;
3485 } 1662 }
3486 1663
3487 break; 1664 break;
3488 1665
3489 case BUILDER: 1666 case BUILDER:
3490 if (who->type == PLAYER) 1667 if (player *pl = who->contr)
3491 { 1668 {
3492 //TODO: wtf does this do? shouldn't this be managed automatically (slots?)
3493 if (who->contr->ranged_ob && who->contr->ranged_ob->type == BUILDER)
3494 unapply_special (who, who->contr->ranged_ob, 0);
3495
3496 who->statusmsg (format ("You ready your %s.", query_name (op))); 1669 who->statusmsg (format ("You ready your %s.", query_name (op)));
3497 1670 //TODO: change_abil?
3498 who->contr->ranged_ob = op;
3499 } 1671 }
3500 break; 1672 break;
3501 1673
3502 default: 1674 default:
3503 who->statusmsg (format ("You apply %s.", query_name (op))); 1675 who->statusmsg (format ("You apply %s.", query_name (op)));
3504 } 1676 }
3505 1677
3506 SET_FLAG (op, FLAG_APPLIED); 1678 SET_FLAG (op, FLAG_APPLIED);
3507 1679
3508 if (tmp) 1680 if (tmp) who->insert (tmp);
3509 tmp = insert_ob_in_ob (tmp, who);
3510 1681
3511 who->update_stats (); 1682 who->update_stats ();
3512 1683
3513 /* We exclude spell casting objects. The fire code will set the 1684 /* We exclude spell casting objects. The fire code will set the
3514 * been applied flag when they are used - until that point, 1685 * been applied flag when they are used - until that point,
… …
3520 if (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED)) 1691 if (QUERY_FLAG (op, FLAG_CURSED) || QUERY_FLAG (op, FLAG_DAMNED))
3521 if (who->type == PLAYER) 1692 if (who->type == PLAYER)
3522 { 1693 {
3523 who->failmsg ( 1694 who->failmsg (
3524 "Oops, it feels deadly cold! " 1695 "Oops, it feels deadly cold! "
3525 "H<Maybe it wasn't such a bright idea to apply this cursed/damned item.>" 1696 "H<Maybe it wasn't such a bright idea to apply this cursed or damned item.>"
3526 ); 1697 );
3527 SET_FLAG (op, FLAG_KNOWN_CURSED); 1698 SET_FLAG (op, FLAG_KNOWN_CURSED);
3528 } 1699 }
3529 1700
3530 if (who->type == PLAYER) 1701 if (object *pl = op->visible_to ())
3531 {
3532 /* if multiple objects were applied, update both slots */
3533 if (tmp)
3534 esrv_send_item (who, tmp);
3535
3536 esrv_send_item (who, op); 1702 esrv_send_item (pl, op);
3537 }
3538 1703
3539 return 0; 1704 return 0;
3540} 1705}
3541 1706
1707/**
1708 * Check if op should abort moving victim because of it's race or slaying.
1709 * Returns 1 if it should abort, returns 0 if it should continue.
1710 */
3542int 1711int
3543monster_apply_special (object *who, object *op, int aflags) 1712should_director_abort (object *op, object *victim)
3544{ 1713{
3545 if (QUERY_FLAG (op, FLAG_UNPAID) && !QUERY_FLAG (op, FLAG_APPLIED)) 1714 int arch_flag, name_flag, race_flag;
1715
1716 /* Get flags to determine what of arch, name, and race should be checked.
1717 * This is stored in subtype, and is a bitmask, the LSB is the arch flag,
1718 * the next is the name flag, and the last is the race flag. Also note,
1719 * if subtype is set to zero, that also goes to defaults of all affecting
1720 * it. Examples:
1721 * subtype 1: only arch
1722 * subtype 3: arch or name
1723 * subtype 5: arch or race
1724 * subtype 7: all three
1725 */
1726 if (op->subtype)
1727 {
1728 arch_flag = op->subtype & 1;
1729 name_flag = op->subtype & 2;
1730 race_flag = op->subtype & 4;
1731 }
1732 else
1733 {
1734 arch_flag = 1;
1735 name_flag = 1;
1736 race_flag = 1;
1737 }
1738
1739 /* If the director has race set, only affect objects with a arch,
1740 * name or race that matches.
1741 */
1742 if ((op->race) &&
1743 ((!(victim->arch && arch_flag && victim->arch->archname) || op->race != victim->arch->archname)) &&
1744 ((!(victim->name && name_flag) || op->race != victim->name)) &&
1745 ((!(victim->race && race_flag) || op->race != victim->race)))
3546 return 1; 1746 return 1;
3547 1747
1748 /* If the director has slaying set, only affect objects where none
1749 * of arch, name, or race match.
1750 */
1751 if ((op->slaying) && (((victim->arch && arch_flag && victim->arch->archname && op->slaying == victim->arch->archname))) ||
1752 ((victim->name && name_flag && op->slaying == victim->name)) ||
1753 ((victim->race && race_flag && op->slaying == victim->race)))
1754 return 1;
1755
1756 return 0;
1757}
1758
1759/**
1760 * This handles a player dropping money on an altar to identify stuff.
1761 * It'll identify marked item, if none all items up to dropped money.
1762 * Return value: 1 if money was destroyed, 0 if not.
1763 */
1764static int
1765apply_id_altar (object *money, object *altar, object *pl)
1766{
1767 dynbuf_text &buf = msg_dynbuf; buf.clear ();
1768
1769 if (!pl || pl->type != PLAYER)
1770 return 0;
1771
1772 /* Check for MONEY type is a special hack - it prevents 'nothing needs
1773 * identifying' from being printed out more than it needs to be.
1774 */
1775 if (!check_altar_sacrifice (altar, money, pl) || money->type != MONEY)
1776 return 0;
1777
1778 /* if the player has a marked item, identify that if it needs to be
1779 * identified. If it doesn't, then go through the player inventory.
1780 */
1781 if (object *marked = find_marked_object (pl))
1782 if (!QUERY_FLAG (marked, FLAG_IDENTIFIED) && need_identify (marked))
1783 {
1784 if (operate_altar (altar, &money, pl))
1785 {
1786 identify (marked);
1787
1788 buf.printf ("You have %s.\r", long_desc (marked, pl));
1789 if (marked->msg)
1790 buf << "The item has a story:\r" << marked->msg << "\n\n";
1791
1792 return !money;
1793 }
1794 }
1795
1796 for (object *id = pl->inv; id; id = id->below)
1797 {
1798 if (!QUERY_FLAG (id, FLAG_IDENTIFIED) && !id->invisible && need_identify (id))
1799 {
1800 if (operate_altar (altar, &money, pl))
1801 {
1802 identify (id);
1803
1804 buf.printf ("You have %s.\r", long_desc (id, pl));
1805 if (id->msg)
1806 buf << "The item has a story:\r" << id->msg << "\n\n";
1807
1808 /* If no more money, might as well quit now */
1809 if (!money || !check_altar_sacrifice (altar, money))
1810 break;
1811 }
1812 else
1813 {
1814 LOG (llevError, "check_id_altar: Couldn't do sacrifice when we should have been able to\n");
1815 break;
1816 }
1817 }
1818 }
1819
1820 if (buf.empty ())
1821 pl->failmsg ("You have nothing that needs identifying");
1822 else
1823 pl->contr->infobox (MSG_CHANNEL ("identify"), buf);
1824
1825 return !money;
1826}
1827
1828/**
1829 * This checks whether the object has a "on_use_yield" field, and if so generated and drops
1830 * matching item.
1831 **/
1832void
1833handle_apply_yield (object *tmp)
1834{
1835 if (shstr_tmp yield = tmp->kv (shstr_on_use_yield))
1836 archetype::get (yield)->insert_at (tmp, tmp, INS_BELOW_ORIGINATOR);
1837}
1838
1839/**
1840 * Handles applying a potion.
1841 */
1842int
1843apply_potion (object *op, object *tmp)
1844{
1845 int got_one = 0, i;
1846 object *force = 0;
1847
1848 object *floor = GET_MAP_OB (op->map, op->x, op->y);
1849
1850 if (get_map_flags (op->map, NULL, op->x, op->y, NULL, NULL) & P_SAFE)
1851 {
1852 op->failmsg ("Gods prevent you from using this here, it's sacred ground!");
1853
1854 CLEAR_FLAG (tmp, FLAG_APPLIED);
1855 return 0;
1856 }
1857
1858 if (op->type == PLAYER)
1859 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
1860 identify (tmp);
1861
1862 handle_apply_yield (tmp);
1863
1864 /* Potion of restoration - only for players */
1865 if (op->type == PLAYER && (tmp->attacktype & AT_DEPLETE))
1866 {
1867 object *depl;
1868 archetype *at;
1869
1870 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
1871 {
1872 op->drain_stat ();
1873 op->update_stats ();
1874 tmp->decrease ();
1875 return 1;
1876 }
1877
1878 if (!(at = archetype::find (shstr_depletion)))
1879 {
1880 LOG (llevError, "Could not find archetype depletion\n");
1881 return 0;
1882 }
1883
1884 depl = present_arch_in_ob (at, op);
1885
1886 if (depl)
1887 {
1888 for (i = 0; i < NUM_STATS; i++)
1889 if (depl->stats.stat (i))
1890 op->statusmsg (restore_msg[i]);
1891
1892 depl->destroy ();
1893 op->update_stats ();
1894 }
1895 else
1896 op->statusmsg ("Your potion had no effect.");
1897
1898 tmp->decrease ();
1899 return 1;
1900 }
1901
1902 /* improvement potion - only for players */
1903 if (op->type == PLAYER && (tmp->attacktype & AT_GODPOWER))
1904 {
1905 for (i = 1; i < min (11, op->level); i++)
1906 {
1907 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
1908 {
1909 if (op->contr->levhp[i] != 1)
1910 {
1911 op->contr->levhp[i] = 1;
1912 break;
1913 }
1914
1915 if (op->contr->levsp[i] != 1)
1916 {
1917 op->contr->levsp[i] = 1;
1918 break;
1919 }
1920
1921 if (op->contr->levgrace[i] != 1)
1922 {
1923 op->contr->levgrace[i] = 1;
1924 break;
1925 }
1926 }
1927 else
1928 {
1929 if (op->contr->levhp[i] < 9)
1930 {
1931 op->contr->levhp[i] = 9;
1932 break;
1933 }
1934
1935 if (op->contr->levsp[i] < 6)
1936 {
1937 op->contr->levsp[i] = 6;
1938 break;
1939 }
1940
1941 if (op->contr->levgrace[i] < 3)
1942 {
1943 op->contr->levgrace[i] = 3;
1944 break;
1945 }
1946 }
1947 }
1948
1949 /* Just makes checking easier */
1950 if (i < min (11, op->level))
1951 got_one = 1;
1952
1953 if (!QUERY_FLAG (tmp, FLAG_CURSED) && !QUERY_FLAG (tmp, FLAG_DAMNED))
1954 {
1955 if (got_one)
1956 {
1957 op->update_stats ();
1958 op->statusmsg ("The Gods smile upon you and remake you "
1959 "a little more in their image. "
1960 "You feel a little more perfect.", NDI_GREEN);
1961 }
1962 else
1963 op->statusmsg ("The potion had no effect - you are already perfect.");
1964 }
1965 else
1966 { /* cursed potion */
1967 if (got_one)
1968 {
1969 op->update_stats ();
1970 op->failmsg ("The Gods are angry and punish you.");
1971 }
1972 else
1973 op->statusmsg ("You are fortunate that you are so pathetic.", NDI_DK_ORANGE);
1974 }
1975
1976 tmp->decrease ();
1977 return 1;
1978 }
1979
1980
1981 /* A potion that casts a spell. Healing, restore spellpoint (power potion)
1982 * and heroism all fit into this category. Given the spell object code,
1983 * there is no limit to the number of spells that potions can be cast,
1984 * but direction is problematic to try and imbue fireball potions for example.
1985 */
1986 if (tmp->inv)
1987 {
1988 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
1989 {
1990 op->failmsg ("Yech! Your lungs are on fire!");
1991 create_exploding_ball_at (op, op->level);
1992 }
1993 else
1994 cast_spell (op, tmp, op->facing, tmp->inv, NULL);
1995
1996 tmp->decrease ();
1997
1998 /* if youre dead, no point in doing this... */
1999 if (!QUERY_FLAG (op, FLAG_REMOVED))
2000 op->update_stats ();
2001
2002 return 1;
2003 }
2004
2005 /* Deal with protection potions */
2006 force = NULL;
2007 for (i = 0; i < NROFATTACKS; i++)
2008 {
2009 if (tmp->resist[i])
2010 {
2011 if (!force)
2012 force = get_archetype (FORCE_NAME);
2013
2014 memcpy (force->resist, tmp->resist, sizeof (tmp->resist));
2015 force->type = POTION_EFFECT;
2016 break; /* Only need to find one protection since we copy entire batch */
2017 }
2018 }
2019
2020 /* This is a protection potion */
2021 if (force)
2022 {
2023 /* cursed items last longer */
2024 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
2025 {
2026 force->stats.food *= 10;
2027 for (i = 0; i < NROFATTACKS; i++)
2028 if (force->resist[i] > 0)
2029 force->resist[i] = -force->resist[i]; /* prot => vuln */
2030 }
2031
2032 force->speed_left = -1;
2033 force = insert_ob_in_ob (force, op);
2034 CLEAR_FLAG (tmp, FLAG_APPLIED);
2035 SET_FLAG (force, FLAG_APPLIED);
2036 change_abil (op, force);
2037 tmp->decrease ();
2038 return 1;
2039 }
2040
2041 /* Only thing left are the stat potions */
2042 if (op->type == PLAYER)
2043 { /* only for players */
2044 if ((QUERY_FLAG (tmp, FLAG_CURSED)
2045 || QUERY_FLAG (tmp, FLAG_DAMNED))
2046 && tmp->value != 0)
2047 CLEAR_FLAG (tmp, FLAG_APPLIED);
2048 else
2049 SET_FLAG (tmp, FLAG_APPLIED);
2050
2051 if (!change_abil (op, tmp))
2052 op->statusmsg ("Nothing happened.");
2053 }
2054
2055 /* CLEAR_FLAG is so that if the character has other potions
2056 * that were grouped with the one consumed, his
2057 * stat will not be raised by them. fix_player just clears
2058 * up all the stats.
2059 */
2060 CLEAR_FLAG (tmp, FLAG_APPLIED);
2061 op->update_stats ();
2062 tmp->decrease ();
2063 return 1;
2064}
2065
2066/**
2067 * 'victim' moves onto 'trap'
2068 * 'victim' leaves 'trap'
2069 * effect is determined by move_on/move_off of trap and move_type of victime.
2070 *
2071 * originator: Player, monster or other object that caused 'victim' to move
2072 * onto 'trap'. Will receive messages caused by this action. May be NULL.
2073 * However, some types of traps require an originator to function.
2074 */
2075void
2076move_apply (object *trap, object *victim, object *originator)
2077{
2078 static int recursion_depth = 0;
2079
2080 /* Only exits affect DMs. */
2081 if (QUERY_FLAG (victim, FLAG_WIZPASS) && trap->type != EXIT && trap->type != SIGN)
2082 return;
2083
2084 /* move_apply() is the most likely candidate for causing unwanted and
2085 * possibly unlimited recursion.
2086 */
2087 /* The following was changed because it was causing perfectly correct
2088 * maps to fail. 1) it's not an error to recurse:
2089 * rune detonates, summoning monster. monster lands on nearby rune.
2090 * nearby rune detonates. This sort of recursion is expected and
2091 * proper. This code was causing needless crashes.
2092 */
2093 if (recursion_depth >= 500)
2094 {
2095 LOG (llevDebug, "WARNING: move_apply(): aborting recursion "
2096 "[trap arch %s, name %s; victim arch %s, name %s]\n", &trap->arch->archname, &trap->name, &victim->arch->archname, &victim->name);
2097 return;
2098 }
2099
2100 recursion_depth++;
2101 if (trap->head)
2102 trap = trap->head;
2103
2104 if (!INVOKE_OBJECT (MOVE_TRIGGER, trap, ARG_OBJECT (victim), ARG_OBJECT (originator)))
2105 switch (trap->type)
2106 {
2107 case PLAYERMOVER:
2108 if (trap->attacktype && (trap->level || victim->type != PLAYER) && !should_director_abort (trap, victim))
2109 {
2110 if (!trap->stats.maxsp)
2111 trap->stats.maxsp = 2;
2112
2113 /* Is this correct? From the docs, it doesn't look like it
2114 * should be divided by trap->speed
2115 */
2116 victim->speed_left = -trap->stats.maxsp * victim->speed / trap->speed;
2117
2118 /* Just put in some sanity check. I think there is a bug in the
2119 * above with some objects have zero speed, and thus the player
2120 * getting permanently paralyzed.
2121 */
2122 if (victim->speed_left < -50.f)
2123 victim->speed_left = -50.f;
2124 /* LOG(llevDebug, "apply, playermove, player speed_left=%f\n", victim->speed_left); */
2125 }
2126 break;
2127
2128 case SPINNER:
2129 if (victim->direction)
2130 {
2131 victim->direction = absdir (victim->direction - trap->stats.sp);
2132 update_turn_face (victim);
2133 }
2134 break;
2135
2136 case DIRECTOR:
2137 if (victim->direction && !should_director_abort (trap, victim))
2138 {
2139 victim->direction = trap->stats.sp;
2140 update_turn_face (victim);
2141 }
2142 break;
2143
2144 case BUTTON:
2145 case PEDESTAL:
2146 case T_MATCH:
2147 update_button (trap, originator);
2148 break;
2149
2150 case ALTAR:
2151 /* sacrifice victim on trap */
2152 apply_altar (trap, victim, originator);
2153 break;
2154
2155 case THROWN_OBJ:
2156 if (trap->inv == NULL)
2157 break;
2158 /* fallthrough */
2159
2160 case ARROW:
2161 /* bad bug: monster throw a object, make a step forwards, step on object ,
2162 * trigger this here and get hit by own missile - and will be own enemy.
2163 * Victim then is his own enemy and will start to kill herself (this is
2164 * removed) but we have not synced victim and his missile. To avoid senseless
2165 * action, we avoid hits here
2166 */
2167 if ((QUERY_FLAG (victim, FLAG_ALIVE) && trap->has_active_speed ())
2168 && trap->owner != victim)
2169 hit_with_arrow (trap, victim);
2170 break;
2171
2172 case SPELL_EFFECT:
2173 apply_spell_effect (trap, victim);
2174 break;
2175
2176 case TRAPDOOR:
2177 {
2178 int max, sound_was_played;
2179 object *ab, *ab_next;
2180
2181 if (!trap->value)
2182 {
2183 int tot;
2184
2185 for (ab = trap->above, tot = 0; ab; ab = ab->above)
2186 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
2187 tot += ab->head_ ()->total_weight ();
2188
2189 if (!(trap->value = (tot > trap->weight) ? 1 : 0))
2190 break;
2191
2192 SET_ANIMATION (trap, trap->value);
2193 update_object (trap, UP_OBJ_FACE);
2194 }
2195
2196 for (ab = trap->above, max = 100, sound_was_played = 0; --max && ab; ab = ab_next)
2197 {
2198 /* need to set this up, since if we do transfer the object,
2199 * ab->above would be bogus
2200 */
2201 ab_next = ab->above;
2202
2203 if ((ab->move_type && trap->move_on) || ab->move_type == 0)
2204 {
2205 if (!sound_was_played)
2206 {
2207 trap->play_sound (trap->sound ? trap->sound : sound_find ("fall_hole"));
2208 sound_was_played = 1;
2209 }
2210
2211 ab->statusmsg ("You fall into a trapdoor!", NDI_RED);
2212 transfer_ob (ab, EXIT_X (trap), EXIT_Y (trap), 0, ab);
2213 }
2214 }
2215 break;
2216 }
2217
2218 case CONVERTER:
2219 if (convert_item (victim, trap) < 0)
2220 {
2221 originator->failmsg (format ("The %s seems to be broken!", query_name (trap)));
2222 archetype::get (shstr_burnout)->insert_at (trap, trap);
2223 }
2224
2225 break;
2226
2227 case TRIGGER_BUTTON:
2228 case TRIGGER_PEDESTAL:
2229 case TRIGGER_ALTAR:
2230 check_trigger (trap, victim, originator);
2231 break;
2232
2233 case DEEP_SWAMP:
2234 walk_on_deep_swamp (trap, victim);
2235 break;
2236
2237 case CHECK_INV:
2238 check_inv (victim, trap);
2239 break;
2240
2241 case HOLE:
2242 move_apply_hole (trap, victim);
2243 break;
2244
2245 case EXIT:
2246 if (victim->type == PLAYER && EXIT_PATH (trap))
2247 {
2248 /* Basically, don't show exits leading to random maps the
2249 * players output.
2250 */
2251 if (trap->msg && EXIT_PATH (trap) != shstr_random_map_exit)
2252 victim->statusmsg (trap->msg, NDI_NAVY);
2253
2254 trap->play_sound (trap->sound);
2255 victim->enter_exit (trap);
2256 }
2257 break;
2258
2259 case ENCOUNTER:
2260 /* may be some leftovers on this */
2261 break;
2262
2263 case SHOP_MAT:
2264 apply_shop_mat (trap, victim);
2265 break;
2266
2267 /* Drop a certain amount of gold, and have one item identified */
2268 case IDENTIFY_ALTAR:
2269 apply_id_altar (victim, trap, originator);
2270 break;
2271
2272 case SIGN:
2273 if (victim->type != PLAYER && trap->stats.food > 0)
2274 break; /* monsters musn't apply magic_mouths with counters */
2275
2276 apply_sign (victim, trap, 1);
2277 break;
2278
2279 case CONTAINER:
2280 apply_container (victim, trap);
2281 break;
2282
2283 case RUNE:
2284 case TRAP:
2285 if (trap->level && QUERY_FLAG (victim, FLAG_ALIVE))
2286 spring_trap (trap, victim);
2287 break;
2288
2289 default:
2290 LOG (llevDebug, "name %s, arch %s, type %d with fly/walk on/off not "
2291 "handled in move_apply()\n", &trap->name, &trap->arch->archname, trap->type);
2292 break;
2293 }
2294
2295 recursion_depth--;
2296}
2297
2298/**
2299 * Handles reading a regular (ie not containing a spell) book.
2300 */
2301static void
2302apply_book (object *op, object *tmp)
2303{
2304 int lev_diff;
2305 object *skill_ob;
2306
2307 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
2308 {
2309 op->failmsg ("You are unable to read while blind!");
2310 return;
2311 }
2312
2313 if (!tmp->msg)
2314 {
2315 op->failmsg (format ("The %s contains nothing but meaningless gibberish. H<There is nothing interesting to read here.>", &tmp->name));
2316 return;
2317 }
2318
2319 /* need a literacy skill to read stuff! */
2320 skill_ob = find_skill_by_name (op, tmp->skill);
2321 if (!skill_ob)
2322 {
2323 op->failmsg (format ("You are unable to decipher the strange symbols. H<You lack the %s skill to read this.>", &tmp->skill));
2324 return;
2325 }
2326
2327 lev_diff = tmp->level - (skill_ob->level + 5);
2328 if (!QUERY_FLAG (op, FLAG_WIZ) && lev_diff > 0)
2329 {
2330 op->failmsg (lev_diff < 2 ? "This book is just barely beyond your comprehension."
2331 : lev_diff < 3 ? "This book is slightly beyond your comprehension."
2332 : lev_diff < 5 ? "This book is beyond your comprehension."
2333 : lev_diff < 8 ? "This book is quite a bit beyond your comprehension."
2334 : lev_diff < 15 ? "This book is way beyond your comprehension."
2335 : "This book is totally beyond your comprehension.");
2336 return;
2337 }
2338
2339 // we currently don't use the message types for anything.
2340 // readable_message_type *msgType = get_readable_message_type (tmp);
2341
2342 tmp->play_sound (tmp->sound ? tmp->sound : sound_find ("apply_book"));
2343
2344 if (player *pl = op->contr)
2345 if (client *ns = pl->ns)
2346 pl->infobox (MSG_CHANNEL ("book"), format ("T<%s>\n\n%s", (char *)long_desc (tmp, op), &tmp->msg));
2347
2348 /* gain xp from reading */
2349 if (!QUERY_FLAG (tmp, FLAG_NO_SKILL_IDENT))
2350 { /* only if not read before */
2351 int exp_gain = calc_skill_exp (op, tmp, skill_ob);
2352
2353 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
2354 {
2355 /*exp_gain *= 2; because they just identified it too */
2356 SET_FLAG (tmp, FLAG_IDENTIFIED);
2357
2358 if (object *pl = tmp->visible_to ())
2359 esrv_update_item (UPD_FLAGS | UPD_NAME, pl, tmp);
2360 }
2361
2362 change_exp (op, exp_gain, skill_ob->skill, 0);
2363 SET_FLAG (tmp, FLAG_NO_SKILL_IDENT); /* so no more xp gained from this book */
2364 }
2365}
2366
2367/**
2368 * op made some mistake with a scroll, this takes care of punishment.
2369 * scroll_failure()- hacked directly from spell_failure
2370 */
2371static void
2372scroll_failure (object *op, int failure, int power)
2373{
2374 if (abs (failure / 4) > power)
2375 power = abs (failure / 4); /* set minimum effect */
2376
2377 if (failure <= -1 && failure > -15)
2378 { /* wonder */
2379 object *tmp;
2380
2381 op->failmsg ("Your spell warps!");
2382 tmp = get_archetype (SPELL_WONDER);
2383 cast_wonder (op, op, 0, tmp);
2384 tmp->destroy ();
2385 }
2386 else if (failure <= -15 && failure > -35)
2387 { /* drain mana */
2388 op->failmsg ("Your mana is drained!");
2389 op->stats.sp -= random_roll (0, power - 1, op, PREFER_LOW);
2390 if (op->stats.sp < 0)
2391 op->stats.sp = 0;
2392 }
2393 else if (settings.spell_failure_effects == TRUE)
2394 {
2395 if (failure <= -35 && failure > -60)
2396 { /* confusion */
2397 op->failmsg ("The magic recoils on you!");
2398 confuse_player (op, op, power);
2399 }
2400 else if (failure <= -60 && failure > -70)
2401 { /* paralysis */
2402 op->failmsg ("The magic recoils and paralyzes you!");
2403 paralyze_player (op, op, power);
2404 }
2405 else if (failure <= -70 && failure > -80)
2406 { /* blind */
2407 op->failmsg ("The magic recoils on you!");
2408 blind_player (op, op, power);
2409 }
2410 else if (failure <= -80)
2411 { /* blast the immediate area */
2412 object *tmp = get_archetype (LOOSE_MANA);
2413 cast_magic_storm (op, tmp, power);
2414 op->failmsg ("You unleash uncontrolled mana!");
2415 tmp->destroy ();
2416 }
2417 }
2418}
2419
2420/**
2421 * Handles the applying of a skill scroll, calling learn_skill straight.
2422 * op is the person learning the skill, tmp is the skill scroll object
2423 */
2424static void
2425apply_skillscroll (object *op, object *tmp)
2426{
2427 switch (learn_skill (op, tmp))
2428 {
2429 case 0:
2430 op->play_sound (sound_find ("generic_fail"));
2431 op->failmsg (format ("You already possess the knowledge held within the %s.", query_name (tmp)));
2432 break;
2433
2434 case 1:
2435 tmp->decrease ();
2436 op->play_sound (sound_find ("skill_learn"));
2437 op->statusmsg (format ("You succeed in learning %s", &tmp->skill));
2438 break;
2439
2440 default:
2441 tmp->decrease ();
2442 op->play_sound (sound_find ("generic_fail"));
2443 op->failmsg (format ("You fail to learn the knowledge of the %s.\n", query_name (tmp)));
2444 break;
2445 }
2446}
2447
2448/**
2449 * Actually makes op learn spell.
2450 * Informs player of what happens.
2451 */
2452void
2453do_learn_spell (object *op, object *spell, int special_prayer)
2454{
2455 object *tmp;
2456
2457 if (op->type != PLAYER)
2458 {
2459 LOG (llevError, "BUG: do_learn_spell(): not a player\n");
2460 return;
2461 }
2462
2463 /* Upgrade special prayers to normal prayers */
2464 if ((tmp = check_spell_known (op, spell->name)) != NULL)
2465 {
2466 if (special_prayer && !QUERY_FLAG (tmp, FLAG_STARTEQUIP))
2467 {
2468 LOG (llevError, "BUG: do_learn_spell(): spell already known, but not marked as startequip\n");
2469 return;
2470 }
2471 return;
2472 }
2473
2474 op->contr->play_sound (sound_find ("learn_spell"));
2475
2476 tmp = spell->clone ();
2477 insert_ob_in_ob (tmp, op);
2478
2479 if (special_prayer)
2480 SET_FLAG (tmp, FLAG_STARTEQUIP);
2481
2482 esrv_add_spells (op->contr, tmp);
2483}
2484
2485/**
2486 * Erases spell from player's inventory.
2487 */
2488void
2489do_forget_spell (object *op, const char *spell)
2490{
2491 object *spob;
2492
2493 if (op->type != PLAYER)
2494 {
2495 LOG (llevError, "BUG: do_forget_spell(): not a player\n");
2496 return;
2497 }
2498 if ((spob = check_spell_known (op, spell)) == NULL)
2499 {
2500 LOG (llevError, "BUG: do_forget_spell(): spell not known\n");
2501 return;
2502 }
2503
2504 op->failmsg (format ("You lose knowledge of %s.", spell));
2505 esrv_remove_spell (op->contr, spob);
2506 spob->destroy ();
2507}
2508
2509/**
2510 * Handles player applying a spellbook.
2511 * Checks whether player has knowledge of required skill, doesn't already know the spell,
2512 * stuff like that. Random learning failure too.
2513 */
2514static void
2515apply_spellbook (object *op, object *tmp)
2516{
2517 object *skop, *spell, *spell_skill;
2518
2519 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
2520 {
2521 op->failmsg ("You are unable to read while blind.");
2522 return;
2523 }
2524
2525 /* artifact_spellbooks have 'slaying' field point to a spell name,
2526 * instead of having their spell stored in stats.sp. These are
2527 * legacy spellbooks
2528 */
2529 if (tmp->slaying)
2530 {
2531 spell = find_archetype_by_object_name (tmp->slaying)->instance ();
2532
2533 if (!spell)
2534 {
2535 op->failmsg (format ("The book's formula for %s is incomplete.", &tmp->slaying));
2536 return;
2537 }
2538 else
2539 insert_ob_in_ob (spell, tmp);
2540
2541 tmp->slaying = 0;
2542 }
2543
2544 skop = find_skill_by_name (op, tmp->skill);
2545
2546 /* need a literacy skill to learn spells. Also, having a literacy level
2547 * lower than the spell will make learning the spell more difficult */
2548 if (!skop)
2549 {
2550 op->failmsg (format ("You can't read! Your attempt fails. H<You lack the %s skill.>", &tmp->skill));
2551 return;
2552 }
2553
2554 spell = tmp->inv;
2555
2556 if (!spell)
2557 {
2558 LOG (llevError, "apply_spellbook: Book %s has no spell in it!\n", &tmp->name);
2559 op->failmsg ("The spellbook symbols make no sense. This is a bug, please report!");
2560 return;
2561 }
2562
2563 int learn_level = sqrtf (spell->level) * 1.5f;
2564 if (skop->level < learn_level)
2565 {
2566 op->failmsg (format ("You are unable to decipher the strange symbols. H<Your %s level is too low, it must be at least %d.>",
2567 &tmp->skill, learn_level));
2568 return;
2569 }
2570
2571 op->statusmsg (format ("The spellbook contains the %s level spell %s.", ordinal (spell->level), &spell->name));
2572
2573 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
2574 identify (tmp);
2575
2576 /* I removed the check for special_prayer_mark here - it didn't make
2577 * a lot of sense - special prayers are not found in spellbooks, and
2578 * if the player doesn't know the spell, doesn't make a lot of sense that
2579 * they would have a special prayer mark.
2580 */
2581 if (check_spell_known (op, spell->name))
2582 {
2583 op->statusmsg ("You already know that spell. H<It makes no sense to learn spells twice, and would only waste the spellbook.>\n");
2584 return;
2585 }
2586
2587 if (spell->skill)
2588 {
2589 spell_skill = find_skill_by_name (op, spell->skill);
2590
2591 if (!spell_skill)
2592 {
2593 op->failmsg (format ("You lack the %s skill to use this spell.", &spell->skill));
2594 return;
2595 }
2596
2597 if (spell_skill->level < spell->level)
2598 {
2599 op->failmsg (format ("You need to be level %d in %s to learn this spell.", spell->level, &spell->skill));
2600 return;
2601 }
2602 }
2603
2604 /* Logic as follows
2605 *
2606 * 1- MU spells use Int to learn, Cleric spells use Wisdom
2607 *
2608 * 2- The learner's skill level in literacy adjusts the chance to learn
2609 * a spell.
2610 *
2611 * 3 -Automatically fail to learn if you read while confused
2612 *
2613 * Overall, chances are the same but a player will find having a high
2614 * literacy rate very useful! -b.t.
2615 */
2616 if (QUERY_FLAG (op, FLAG_CONFUSED))
2617 {
2618 op->failmsg ("In your confused state you flub the wording of the text!");
2619 scroll_failure (op, 0 - random_roll (0, spell->level, op, PREFER_LOW), max (spell->stats.sp, spell->stats.grace));
2620 }
2621 else if (QUERY_FLAG (tmp, FLAG_STARTEQUIP) ||
2622 (random_roll (0, 100, op, PREFER_LOW) - (5 * skop->level)) < learn_spell[spell->stats.grace ? op->stats.Wis : op->stats.Int])
2623 {
2624 op->statusmsg ("You succeed in learning the spell!", NDI_GREEN);
2625 do_learn_spell (op, spell, 0);
2626
2627 /* xp gain to literacy for spell learning */
2628 if (!QUERY_FLAG (tmp, FLAG_STARTEQUIP))
2629 change_exp (op, calc_skill_exp (op, tmp, skop), skop->skill, 0);
2630 }
2631 else
2632 {
2633 op->contr->play_sound (sound_find ("fumble_spell"));
2634 op->failmsg ("You fail to learn the spell. H<Wis (priests) or Int (wizards) governs the chance of learning a prayer or spell.>\n");
2635 }
2636
2637 tmp->decrease ();
2638}
2639
2640/**
2641 * Handles applying a spell scroll.
2642 */
2643void
2644apply_scroll (object *op, object *tmp, int dir)
2645{
2646 object *skop;
2647
2648 if (QUERY_FLAG (op, FLAG_BLIND) && !QUERY_FLAG (op, FLAG_WIZ))
2649 {
2650 op->failmsg ("You are unable to read while blind.");
2651 return;
2652 }
2653
2654 if (!tmp->inv || tmp->inv->type != SPELL)
2655 {
2656 op->failmsg ("The scroll just doesn't make sense! H<...and never will make sense.>");
2657 return;
2658 }
2659
2660 if (op->type == PLAYER)
2661 {
2662 /* players need a literacy skill to read stuff! */
2663 int exp_gain = 0;
2664
2665 /* hard code literacy - tmp->skill points to where the exp
2666 * should go for anything killed by the spell.
2667 */
2668 skop = find_skill_by_name (op, skill_names[SK_LITERACY]);
2669
2670 if (!skop)
2671 {
2672 op->failmsg (format ("You are unable to decipher the strange symbols. H<You lack the %s skill.>", &skill_names[SK_LITERACY]));
2673 return;
2674 }
2675
2676 if ((exp_gain = calc_skill_exp (op, tmp, skop)))
2677 change_exp (op, exp_gain, skop->skill, 0);
2678 }
2679
2680 if (!QUERY_FLAG (tmp, FLAG_IDENTIFIED))
2681 identify (tmp);
2682
2683 op->statusmsg (format ("The scroll of %s turns to dust.", &tmp->inv->name));
2684
2685 cast_spell (op, tmp, dir, tmp->inv, NULL);
2686 tmp->decrease ();
2687}
2688
2689/**
2690 * Applies a treasure object - by default, chest. op
2691 * is the person doing the applying, tmp is the treasure
2692 * chest.
2693 */
2694static void
2695apply_treasure (object *op, object *tmp)
2696{
2697 /* Nice side effect of this treasure creation method is that the treasure
2698 * for the chest is done when the chest is created, and put into the chest
2699 * inventory. So that when the chest burns up, the items still exist. Also
2700 * prevents people from moving chests to more difficult maps to get better
2701 * treasure
2702 */
2703 object *treas = tmp->inv;
2704
2705 if (!treas)
2706 {
2707 op->statusmsg ("The chest was empty.");
2708 tmp->decrease ();
2709 return;
2710 }
2711
2712 while (tmp->inv)
2713 {
2714 treas = tmp->inv;
2715 treas->remove ();
2716
2717 treas->x = op->x;
2718 treas->y = op->y;
2719 treas = insert_ob_in_map (treas, op->map, op, INS_BELOW_ORIGINATOR);
2720
2721 if (treas && (treas->type == RUNE || treas->type == TRAP) && treas->level && QUERY_FLAG (op, FLAG_ALIVE))
2722 spring_trap (treas, op);
2723
2724 /* If either player or container was destroyed, no need to do
2725 * further processing. I think this should be enclused with
2726 * spring trap above, as I don't think there is otherwise
2727 * any way for the treasure chest or player to get killed.
2728 */
2729 if (op->destroyed () || tmp->destroyed ())
2730 break;
2731 }
2732
2733 if (!tmp->destroyed () && !tmp->inv)
2734 tmp->decrease (true);
2735}
2736
2737/**
2738 * A dragon is eating some flesh. If the flesh contains resistances,
2739 * there is a chance for the dragon's skin to get improved.
2740 *
2741 * attributes:
2742 * object *op the object (dragon player) eating the flesh
2743 * object *meal the flesh item, getting chewed in dragon's mouth
2744 * return:
2745 * int 1 if eating successful, 0 if it doesn't work
2746 */
2747static int
2748dragon_eat_flesh (object *op, object *meal)
2749{
2750 object *skin = NULL; /* pointer to dragon skin force */
2751 object *abil = NULL; /* pointer to dragon ability force */
2752 object *tmp = NULL; /* tmp. object */
2753
2754 double chance; /* improvement-chance of one resistance type */
2755 double totalchance = 1; /* total chance of gaining one resistance */
2756 double bonus = 0; /* level bonus (improvement is easier at lowlevel) */
2757 double mbonus = 0; /* monster bonus */
2758 int atnr_winner[NROFATTACKS]; /* winning candidates for resistance improvement */
2759 int winners = 0; /* number of winners */
2760 int i; /* index */
2761
2762 /* let's make sure and doublecheck the parameters */
2763 if (meal->type != FLESH || !op->is_dragon ())
2764 return 0;
2765
2766 /* now grab the 'dragon_skin'- and 'dragon_ability'-forces
2767 from the player's inventory */
2768 for (tmp = op->inv; tmp; tmp = tmp->below)
2769 if (tmp->type == FORCE)
2770 if (tmp->arch->archname == shstr_dragon_skin_force)
2771 skin = tmp;
2772 else if (tmp->arch->archname == shstr_dragon_ability_force)
2773 abil = tmp;
2774
2775 /* if either skin or ability are missing, this is an old player
2776 which is not to be considered a dragon -> bail out */
2777 if (skin == NULL || abil == NULL)
2778 return 0;
2779
2780 /* now start by filling stomache and health, according to food-value */
2781 if ((MAX_FOOD - op->stats.food) < meal->stats.food)
2782 op->stats.hp += (MAX_FOOD - op->stats.food) / 50;
2783 else
2784 op->stats.hp += meal->stats.food / 50;
2785
2786 min_it (op->stats.hp, op->stats.maxhp);
2787 op->stats.food = min (MAX_FOOD, op->stats.food + meal->stats.food);
2788
2789 /*LOG(llevDebug, "-> player: %d, flesh: %d\n", op->level, meal->level); */
2790
2791 /* on to the interesting part: chances for adding resistance */
2792 for (i = 0; i < NROFATTACKS; i++)
2793 {
2794 if (meal->resist[i] > 0 && atnr_is_dragon_enabled (i))
2795 {
2796 /* got positive resistance, now calculate improvement chance (0-100) */
2797
2798 /* this bonus makes resistance increase easier at lower levels */
2799 bonus = (settings.max_level - op->level) * 30. / ((double) settings.max_level);
2800 if (i == abil->stats.exp)
2801 bonus += 5; /* additional bonus for resistance of ability-focus */
2802
2803 /* monster bonus increases with level, because high-level
2804 flesh is too rare */
2805 mbonus = op->level * 20. / ((double) settings.max_level);
2806
2807 chance = (((double)min (op->level + bonus, meal->level + bonus + mbonus)) * 100. /
2808 ((double)settings.max_level)) - skin->resist[i];
2809
2810 if (chance >= 0.)
2811 chance += 1.;
2812 else
2813 chance = (chance < -12) ? 0. : 1. / pow (2., -chance);
2814
2815 /* chance is proportional to amount of resistance (max. 50) */
2816 chance *= ((double)(min (meal->resist[i], 50))) / 50.;
2817
2818 /* doubled chance for resistance of ability-focus */
2819 if (i == abil->stats.exp)
2820 chance = min (100., chance * 2.);
2821
2822 /* now make the throw and save all winners (Don't insert luck bonus here!) */
2823 if (rndm (10000) < (unsigned int)(chance * 100))
2824 {
2825 atnr_winner[winners] = i;
2826 winners++;
2827 }
2828
2829 if (chance >= 0.01)
2830 totalchance *= 1 - chance / 100;
2831
2832 /*LOG(llevDebug, " %s: bonus %.1f, chance %.1f\n", attacks[i], bonus, chance); */
2833 }
2834 }
2835
2836 /* inverse totalchance as until now we have the failure-chance */
2837 totalchance = 100 - totalchance * 100;
2838
2839 /* print message according to totalchance */
2840 const char *buf;
2841 if (totalchance > 50.)
2842 buf = format ("Hmm! The %s tasted delicious!", &meal->name);
2843 else if (totalchance > 10.)
2844 buf = format ("The %s tasted very good.", &meal->name);
2845 else if (totalchance > 1.)
2846 buf = format ("The %s tasted good.", &meal->name);
2847 else if (totalchance > 0.1)
2848 buf = format ("The %s tasted bland.", &meal->name);
2849 else if (totalchance >= 0.01)
2850 buf = format ("The %s had a boring taste.", &meal->name);
2851 else if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat))
2852 buf = format ("The %s tasted strange.", &meal->name);
2853 else
2854 buf = format ("The %s had no taste.", &meal->name);
2855
2856 op->statusmsg (buf);
2857
2858 /* now choose a winner if we have any */
2859 i = -1;
2860 if (winners > 0)
2861 i = atnr_winner [rndm (winners)];
2862
2863 if (i >= 0 && i < NROFATTACKS && skin->resist[i] < 95)
2864 {
2865 /* resistance increased! */
2866 skin->resist[i]++;
2867 op->update_stats ();
2868
2869 op->statusmsg (format ("Your skin is now more resistant to %s!", change_resist_msg[i]));
2870 }
2871
2872 /* if this flesh contains a new ability focus, we mark it
2873 into the ability_force and it will take effect on next level */
2874 if (meal->last_eat > 0 && atnr_is_dragon_enabled (meal->last_eat) && meal->last_eat != abil->last_eat)
2875 {
2876 abil->last_eat = meal->last_eat; /* write: last_eat <new attnr focus> */
2877
2878 if (meal->last_eat != abil->stats.exp)
2879 op->statusmsg (format (
2880 "Your metabolism prepares to focus on %s!\n"
2881 "The change will happen at level %d.",
2882 change_resist_msg[meal->last_eat],
2883 abil->level + 1
2884 ));
2885 else
2886 {
2887 op->statusmsg (format ("Your metabolism will continue to focus on %s.", change_resist_msg[meal->last_eat]));
2888 abil->last_eat = 0;
2889 }
2890 }
2891
2892 return 1;
2893}
2894
2895/**
2896 * op eats food.
2897 * If player, takes care of messages and dragon special food.
2898 */
2899static void
2900apply_food (object *op, object *tmp)
2901{
2902 int capacity_remaining;
2903
2904 if (op->type != PLAYER)
2905 op->stats.hp = op->stats.maxhp;
2906 else
2907 {
2908 /* check if this is a dragon (player), eating some flesh */
2909 if (tmp->type == FLESH && op->is_dragon () && dragon_eat_flesh (op, tmp))
2910 ;
2911 else
2912 {
2913 /* usual case - no dragon meal: */
2914 if (op->stats.food + tmp->stats.food > MAX_FOOD)
2915 {
2916 if (tmp->type == FOOD || tmp->type == FLESH)
2917 op->failmsg ("You feel full, but what a waste of food!");
2918 else
2919 op->statusmsg ("Most of the drink goes down your face not your throat!");
2920 }
2921
2922 tmp->play_sound (
2923 tmp->sound
2924 ? tmp->sound
2925 : tmp->type == DRINK
2926 ? sound_find ("eat_drink")
2927 : sound_find ("eat_food")
2928 );
2929
2930 if (!QUERY_FLAG (tmp, FLAG_CURSED))
2931 {
2932 const char *buf;
2933
2934 if (!op->is_dragon ())
2935 {
2936 /* eating message for normal players */
2937 if (tmp->type == DRINK)
2938 buf = format ("Ahhh...that %s tasted good.", &tmp->name);
2939 else
2940 buf = format ("The %s tasted %s", &tmp->name, tmp->type == FLESH ? "terrible!" : "good.");
2941 }
2942 else
2943 /* eating message for dragon players */
2944 buf = format ("The %s tasted terrible!", &tmp->name);
2945
2946 op->statusmsg (buf);
2947
2948 capacity_remaining = MAX_FOOD - op->stats.food;
2949 op->stats.food += tmp->stats.food;
2950 if (capacity_remaining < tmp->stats.food)
2951 op->stats.hp += capacity_remaining / 50;
2952 else
2953 op->stats.hp += tmp->stats.food / 50;
2954
2955 min_it (op->stats.hp, op->stats.maxhp);
2956 min_it (op->stats.food, MAX_FOOD);
2957 }
2958
2959 /* special food hack -b.t. */
2960 if (tmp->title || QUERY_FLAG (tmp, FLAG_CURSED))
2961 eat_special_food (op, tmp);
2962 }
2963 }
2964
2965 handle_apply_yield (tmp);
2966 tmp->decrease ();
2967}
2968
2969/**
2970 * Handles applying an improve armor scroll.
2971 * Does some sanity checks, then calls improve_armour.
2972 */
2973static void
2974apply_armour_improver (object *op, object *tmp)
2975{
2976 object *armor;
2977
2978 if (!QUERY_FLAG (op, FLAG_WIZCAST) && (get_map_flags (op->map, 0, op->x, op->y, 0, 0) & P_NO_MAGIC))
2979 {
2980 op->failmsg ("Something blocks the magic of the scroll. H<This area prevents magic effects.>");
2981 return;
2982 }
2983
2984 armor = find_marked_object (op);
2985
2986 if (!armor)
2987 {
2988 op->failmsg ("You need to mark an armor object. Use the right mouse button popup or the mark command to do this.");
2989 return;
2990 }
2991
2992 if (armor->type != ARMOUR
2993 && armor->type != CLOAK
2994 && armor->type != BOOTS && armor->type != GLOVES && armor->type != BRACERS && armor->type != SHIELD && armor->type != HELMET)
2995 {
2996 op->failmsg ("Your marked item is not armour!\n");
2997 return;
2998 }
2999
3000 op->statusmsg ("Applying armour enchantment.");
3001 improve_armour (op, tmp, armor);
3002}
3003
3004void
3005apply_poison (object *op, object *tmp)
3006{
3007 // need to do it now when it is still on the map
3008 handle_apply_yield (tmp);
3009
3010 object *poison = tmp->split (1);
3011
3012 if (op->type == PLAYER)
3013 {
3014 op->contr->play_sound (sound_find ("drink_poison"));
3015 op->failmsg ("Yech! That tasted poisonous!");
3016 op->contr->killer = poison;
3017 }
3018
3019 if (poison->stats.hp > 0)
3020 {
3021 LOG (llevDebug, "Trying to poison player/monster for %d hp\n", poison->stats.hp);
3022 hit_player (op, poison->stats.hp, tmp, AT_POISON, 1);
3023 }
3024
3025 op->stats.food -= op->stats.food / 4;
3026 poison->destroy ();
3027}
3028
3029/**
3030 * This function will try to apply a lighter and in case no lighter
3031 * is specified it will try to find a lighter in the players inventory,
3032 * and inform him about this requirement.
3033 *
3034 * who - the player
3035 * op - the item we want to light
3036 * lighter - the lighter or 0 if a lighter has yet to be found
3037 */
3038static object *
3039auto_apply_lighter (object *who, object *op, object *lighter)
3040{
3041 if (lighter == 0)
3042 {
3043 for (object *tmp = who->inv; tmp; tmp = tmp->below)
3044 {
3045 if (tmp->type == LIGHTER)
3046 {
3047 lighter = tmp;
3048 break;
3049 }
3050 }
3051
3052 if (!lighter)
3053 {
3054 who->failmsg (format (
3055 "You can't light up the %s with your bare hands! "
3056 "H<You need a lighter in your inventory, for example a flint and steel.>",
3057 &op->name));
3058 return 0;
3059 }
3060 }
3061
3062 // last_eat == 0 means the lighter is not being used up!
3063 if (lighter->last_eat && lighter->stats.food)
3064 {
3065 /* lighter gets used up */
3066 lighter = lighter->split ();
3067 lighter->stats.food--;
3068 who->insert (lighter);
3069 }
3070 else if (lighter->last_eat)
3071 {
3072 /* no charges left in lighter */
3073 who->failmsg (format (
3074 "You attempt to light the %s with a used up %s.",
3075 &op->name, &lighter->name));
3076 return 0;
3077 }
3078
3079 return lighter;
3080}
3081
3082/**
3083 * Designed primarily to light torches/lanterns/etc.
3084 * Also burns up burnable material too. First object in the inventory is
3085 * the selected object to "burn". -b.t.
3086 */
3087static void
3088apply_lighter (object *who, object *lighter)
3089{
3090 object *item;
3091 int is_player_env = 0;
3092
3093 item = find_marked_object (who);
3094 if (item)
3095 {
3096 if (!auto_apply_lighter (who, item, lighter))
3097 return;
3098
3099 /* Perhaps we should split what we are trying to light on fire?
3100 * I can't see many times when you would want to light multiple
3101 * objects at once.
3102 */
3103
3104 save_throw_object (item, AT_FIRE, who);
3105
3106 if (item->destroyed ()
3107 || ((item->type == LAMP || item->type == TORCH)
3108 && item->glow_radius > 0))
3109 who->statusmsg (format (
3110 "You light the %s with the %s.",
3111 &item->name, &lighter->name));
3112 else
3113 who->failmsg (format (
3114 "You attempt to light the %s with the %s and fail.",
3115 &item->name, &lighter->name));
3116 }
3117 else
3118 who->failmsg ("You need to mark a lightable object.");
3119}
3120
3121/**
3122 * This function generates a cursed effect for cursed lamps and torches.
3123 */
3124static void
3125player_apply_lamp_cursed_effect (object *who, object *op)
3126{
3127 if (op->level)
3128 {
3129 who->failmsg (format (
3130 "The %s was cursed, it explodes in a big fireball!",
3131 &op->name));
3132 create_exploding_ball_at (who, op->level);
3133 }
3134 else
3135 {
3136 who->failmsg (format (
3137 "The %s was cursed, it crumbles to dust, at least it didn't explode.!",
3138 &op->name));
3139 }
3140
3141 op->destroy ();
3142}
3143
3144/**
3145 * Apply for players and lamps
3146 *
3147 * who - the player
3148 * op - the lamp
3149 */
3150static void
3151player_apply_lamp (object *who, object *op)
3152{
3153 bool switch_on = op->glow_radius ? false : true;
3154
3155 if (switch_on)
3156 {
3157 object *lighter = 0;
3158
3159 if (op->flag [FLAG_IS_LIGHTABLE]
3160 && !(lighter = auto_apply_lighter (who, op, 0)))
3161 return;
3162
3163 if (op->stats.food < 1)
3164 {
3165 if (op->type == LAMP)
3166 who->failmsg (format (
3167 "The %s is out of fuel! "
3168 "H<Lamps and similar items need fuel. They cannot be refilled.>",
3169 &op->name));
3170 else
3171 who->failmsg (format (
3172 "The %s is burnt out! "
3173 "H<Torches and similar items burn out and become worthless.>",
3174 &op->name));
3175 return;
3176 }
3177
3178 if (op->flag [FLAG_CURSED])
3179 {
3180 player_apply_lamp_cursed_effect (who, op);
3181 return;
3182 }
3183
3184 if (lighter)
3185 who->statusmsg (format (
3186 "You light up the %s with the %s.", &op->name, &lighter->name));
3187 else
3188 who->statusmsg (format ("You light up the %s.", &op->name));
3189 }
3190 else
3191 {
3192 if (op->flag [FLAG_CURSED])
3193 {
3194 player_apply_lamp_cursed_effect (who, op);
3195 return;
3196 }
3197
3198 if (op->type == TORCH)
3199 {
3200 if (!op->flag [FLAG_IS_LIGHTABLE])
3201 {
3202 who->statusmsg (format (
3203 "You put out the %s. "
3204 "H<The %s can't be used anymore, as it can't be lighted up again.>",
3205 &op->name, &op->name));
3206 }
3207 else
3208 who->statusmsg (format (
3209 "You put out the %s."
3210 "H<Torches wear out if you put them out.>",
3211 &op->name));
3212 }
3213 else
3214 who->statusmsg (format ("You turn off the %s.", &op->name));
3215 }
3216
3217 apply_lamp (op, switch_on);
3218}
3219
3220void get_animation_from_arch (object *op, arch_ptr a)
3221{
3222 op->animation_id = a->animation_id;
3223 op->flag [FLAG_IS_TURNABLE] = a->flag [FLAG_IS_TURNABLE];
3224 op->flag [FLAG_ANIMATE] = a->flag [FLAG_ANIMATE];
3225 op->anim_speed = a->anim_speed;
3226 op->last_anim = 0;
3227 op->state = 0;
3228 op->face = a->face;
3229
3230 if (NUM_ANIMATIONS(op) > 1)
3231 {
3232 SET_ANIMATION(op, 0);
3233 animate_object (op, op->direction);
3234 }
3235 else
3236 update_object (op, UP_OBJ_FACE);
3237}
3238
3239/**
3240 * Apply for LAMPs and TORCHes.
3241 *
3242 * op - the lamp
3243 * switch_on - a flag which says whether the lamp should be switched on or off
3244 */
3245void apply_lamp (object *op, bool switch_on)
3246{
3247 op->set_glow_radius (switch_on ? op->range : 0);
3248 op->set_speed (switch_on ? op->arch->speed : 0);
3249
3250 // torches wear out if you put them out
3251 if (op->type == TORCH && !switch_on)
3252 {
3253 if (op->flag [FLAG_IS_LIGHTABLE])
3254 {
3255 op->stats.food -= (double) op->arch->stats.food / 15;
3256 if (op->stats.food < 0)
3257 op->stats.food = 0;
3258 }
3259 else
3260 op->stats.food = 0;
3261 }
3262
3263 // lamps and torched get worthless when used up
3264 if (op->stats.food <= 0)
3265 op->value = 0;
3266
3267 // FIXME: This is a hack to make the more sane torches and lamps
3268 // still animated ;-/
3269 if (op->other_arch)
3270 get_animation_from_arch (op, switch_on ? op->other_arch : op->arch);
3271
3272 if (object *pl = op->visible_to ())
3273 esrv_update_item (UPD_ANIM | UPD_FACE | UPD_NAME, pl, op);
3274}
3275
3276/**
3277 * This handles items of type 'transformer'.
3278 * Basically those items, used with a marked item, transform both items into something
3279 * else.
3280 * "Transformer" item has food decreased by 1, removed if 0 (0 at start means illimited)..
3281 * Change information is contained in the 'slaying' field of the marked item.
3282 * The format is as follow: transformer:[number ]yield[;transformer:...].
3283 * This way an item can be transformed in many things, and/or many objects.
3284 * The 'slaying' field for transformer is used as verb for the action.
3285 */
3286static void
3287apply_item_transformer (object *pl, object *transformer)
3288{
3289 object *marked;
3290 object *new_item;
3291 const char *find;
3292 char *separator;
3293 int yield;
3294 char got[MAX_BUF];
3295 int len;
3296
3297 if (!pl || !transformer)
3298 return;
3299
3300 marked = find_marked_object (pl);
3301
3302 if (!marked)
3303 {
3304 pl->failmsg (format ("Use the %s with what item?", query_name (transformer)));
3305 return;
3306 }
3307
3308 if (!marked->slaying)
3309 {
3310 pl->failmsg (format ("You can't use the %s with your %s!", query_name (transformer), query_name (marked)));
3311 return;
3312 }
3313
3314 /* check whether they are compatible or not */
3315 find = strstr (&marked->slaying, transformer->arch->archname);
3316 if (!find || (*(find + strlen (transformer->arch->archname)) != ':'))
3317 {
3318 pl->failmsg (format ("You can't use the %s with your %s!", query_name (transformer), query_name (marked)));
3319 return;
3320 }
3321
3322 find += strlen (transformer->arch->archname) + 1;
3323 /* Item can be used, now find how many and what it yields */
3324 if (isdigit (*(find)))
3325 {
3326 yield = atoi (find);
3327 if (yield < 1)
3328 {
3329 LOG (llevDebug, "apply_item_transformer: item %s has slaying-yield %d.", query_base_name (marked, 0), yield);
3330 yield = 1;
3331 }
3332 }
3333 else
3334 yield = 1;
3335
3336 while (isdigit (*find))
3337 find++;
3338
3339 while (*find == ' ')
3340 find++;
3341
3342 memset (got, 0, MAX_BUF);
3343
3344 if ((separator = (char *) strchr (find, ';')))
3345 len = separator - find;
3346 else
3347 len = strlen (find);
3348
3349 min_it (len, MAX_BUF - 1);
3350
3351 strcpy (got, find);
3352 got[len] = '\0';
3353
3354 /* Now create new item, remove used ones when required. */
3355 new_item = get_archetype (got);
3356 if (!new_item)
3357 {
3358 pl->failmsg (format ("This %s is strange, better to not use it.", query_base_name (marked, 0)));
3359 return;
3360 }
3361
3362 new_item->nrof = yield;
3363
3364 pl->statusmsg (format ("You %s the %s.", &transformer->slaying, query_base_name (marked, 0)));
3365
3366 pl->insert (new_item);
3367 /* Eat up one item */
3368 marked->decrease ();
3369
3370 /* Eat one transformer if needed */
3371 if (transformer->stats.food)
3372 if (--transformer->stats.food == 0)
3373 transformer->decrease ();
3374}
3375
3376/**
3377 * Main apply handler.
3378 *
3379 * Checks for unpaid items before applying.
3380 *
3381 * Return value is currently not used
3382 *
3383 * who is the object that is causing object to be applied, op is the object
3384 * being applied.
3385 *
3386 * aflag is special (always apply/unapply) flags. Nothing is done with
3387 * them in this function - they are passed to apply_special
3388 */
3389static bool
3390manual_apply (object *who, object *op, int aflag)
3391{
3392 op = op->head_ ();
3393
3394 if (op->flag [FLAG_UNPAID] && !op->flag [FLAG_APPLIED])
3395 {
3396 if (who->contr)
3397 {
3398 examine (who, op);
3399 //who->failmsg ("You should pay for it first! H<You cannot use items marked as unpaid.>");//TODO remove
3400 return 1;
3401 }
3402 else
3403 return 0; /* monsters just skip unpaid items */
3404 }
3405
3406 if (INVOKE_OBJECT (APPLY, op, ARG_OBJECT (who)))
3407 return RESULT_INT (0);
3408 else if (may_attempt_inv [op->type])
3409 {
3410 // special item, using slot system, needs to be in inv
3411 if (op->env == who)
3548 return apply_special (who, op, aflags); 3412 return apply_special (who, op, aflag);
3413
3414 who->failmsg (format ("You must get it first! H<You can only apply the %s if it is in your inventory.>\n", query_name (op)));
3415 }
3416 else if (!who->contr && may_attempt_player [op->type])
3417 return 0; // monsters shouldn't try to apply player-only stuff
3418 else if (may_attempt [op->type])
3419 {
3420 // ordinary stuff, may be on the floor
3421 switch (op->type)
3422 {
3423 case T_HANDLE:
3424 who->play_sound (sound_find ("turn_handle"));
3425 who->statusmsg ("You turn the handle.");
3426 op->value = op->value ? 0 : 1;
3427 SET_ANIMATION (op, op->value);
3428 update_object (op, UP_OBJ_FACE);
3429 push_button (op, who);
3430 break;
3431
3432 case TRIGGER:
3433 if (check_trigger (op, who, who))
3434 {
3435 who->statusmsg ("You turn the handle.");
3436 who->play_sound (sound_find ("turn_handle"));
3437 }
3438 else
3439 who->failmsg ("The handle doesn't move.");
3440
3441 break;
3442
3443 case EXIT:
3444 if (!EXIT_PATH (op))
3445 who->failmsg (format ("The %s is closed. H<And will stay closed, until somebody fires up the map editor and adds it.>", query_name (op)));
3446 else
3447 {
3448 /* Don't display messages for random maps. */
3449 if (op->msg && EXIT_PATH (op) != shstr_random_map_exit)
3450 who->statusmsg (op->msg, NDI_NAVY);
3451
3452 who->enter_exit (op);
3453 }
3454
3455 break;
3456
3457 case INSCRIBABLE:
3458 who->statusmsg (op->msg);
3459 // maybe show a spell menu to chose from or something like that
3460 break;
3461
3462 case SIGN:
3463 apply_sign (who, op, 0);
3464 break;
3465
3466 case BOOK:
3467 apply_book (who, op);
3468 break;
3469
3470 case SKILLSCROLL:
3471 apply_skillscroll (who, op);
3472 break;
3473
3474 case SPELLBOOK:
3475 apply_spellbook (who, op);
3476 break;
3477
3478 case SCROLL:
3479 apply_scroll (who, op, 0);
3480 break;
3481
3482 case POTION:
3483 apply_potion (who, op);
3484 break;
3485
3486 /* Eneq(@csd.uu.se): Handle apply on containers. */
3487 //TODO: remove, as it is unsed?
3488 case CLOSE_CON:
3489 apply_container (who, op->env);
3490 break;
3491
3492 case CONTAINER:
3493 apply_container (who, op);
3494 break;
3495
3496 case TREASURE:
3497 apply_treasure (who, op);
3498 break;
3499
3500 case LAMP:
3501 case TORCH:
3502 player_apply_lamp (who, op);
3503 break;
3504
3505 case DRINK:
3506 case FOOD:
3507 case FLESH:
3508 apply_food (who, op);
3509 break;
3510
3511 case POISON:
3512 apply_poison (who, op);
3513 break;
3514
3515 case SAVEBED:
3516 break;
3517
3518 case ARMOUR_IMPROVER:
3519 apply_armour_improver (who, op);
3520 break;
3521
3522 case WEAPON_IMPROVER:
3523 check_improve_weapon (who, op);
3524 break;
3525
3526 case CLOCK:
3527 {
3528 char buf[MAX_BUF];
3529 timeofday_t tod;
3530
3531 get_tod (&tod);
3532 who->play_sound (sound_find ("sound_clock"));
3533 who->statusmsg (format (
3534 "It is %d minute%s past %d o'clock %s",
3535 tod.minute + 1, ((tod.minute + 1 < 2) ? "" : "s"),
3536 ((tod.hour % 14 == 0) ? 14 : ((tod.hour) % 14)), ((tod.hour >= 14) ? "pm" : "am")
3537 ));
3538 }
3539 break;
3540
3541 case MENU:
3542 shop_listing (op, who);
3543 break;
3544
3545 case POWER_CRYSTAL:
3546 apply_power_crystal (who, op); /* see egoitem.c */
3547 break;
3548
3549 case LIGHTER: /* for lighting torches/lanterns/etc */
3550 apply_lighter (who, op);
3551 break;
3552
3553 case ITEM_TRANSFORMER:
3554 apply_item_transformer (who, op);
3555 break;
3556 }
3557
3558 return 1;
3559 }
3560 else
3561 {
3562 who->statusmsg (format ("I don't know how to apply the %s.", query_name (op)));
3563 return 0;
3564 }
3565}
3566
3567/**
3568 * player_apply_below attempts to apply the object 'below' the player.
3569 * If the player has an open container, we use that for below, otherwise
3570 * we use the ground.
3571 */
3572void
3573player_apply_below (object *pl)
3574{
3575 object *top = pl->container_ () ? pl->container_ ()->inv : pl->below;
3576
3577 /* If using a container, set the starting item to be the top
3578 * item in the container. Otherwise, use the map.
3579 */
3580
3581 // first try to apply "applyables"
3582 for (object *tmp = top; tmp; tmp = tmp->below)
3583 if (!tmp->invisible && may_attempt [tmp->type])
3584 {
3585 // If it is visible, player can apply it.
3586 pl->apply (tmp);
3587 return;
3588 }
3589
3590 while (top && top->invisible)
3591 top = top->below;
3592
3593 if (!top || top->flag [FLAG_IS_FLOOR])
3594 pl->failmsg ("You inspect this space, but find no way to apply anything. "
3595 "H<There is nothing here that you can apply.>");
3596 else
3597 // next, try to explain the topmost object
3598 switch (top->type)
3599 {
3600 // TODO: all this should move to examine
3601 case ALTAR:
3602 case IDENTIFY_ALTAR:
3603 case CONVERTER:
3604 pl->failmsg (format (
3605 "You see no obvious mechanism on the %s."
3606 "H<You have to drop one or more specific items here.>",
3607 query_short_name (top)
3608 ));
3609 break;
3610
3611 case BUTTON:
3612 pl->failmsg (format (
3613 "The %s looks as if you could activate it with somehting heavy. "
3614 "H<You must put enough items here to activate it.>",
3615 query_short_name (top)
3616 ));
3617 break;
3618
3619 default:
3620 examine (pl, top);
3621 printf ("z %d\n", top->type);//D
3622 break;
3623 }
3624}
3625
3626// saner interface, returns successful status
3627bool
3628object::apply (object *ob, int aflags)
3629{
3630 if (!ob) // simplifies a lot of callers
3631 return true;
3632
3633 if (contr)
3634 {
3635 if (!ob->env && (move_type & MOVE_FLYING))
3636 {
3637 /* player is flying and applying object not in inventory */
3638 if (!flag [FLAG_WIZ] && !(ob->move_type & MOVE_FLYING))
3639 {
3640 failmsg ("But you are floating high above the ground! "
3641 "H<You have to stop levitating first, if you can, either by using your levitation skill, "
3642 "or waiting till the levitation effect wears off.>");
3643 return 0;
3644 }
3645 }
3646
3647 contr->last_used = ob;
3648 }
3649
3650 bool want_apply =
3651 aflags & AP_APPLY ? true
3652 : aflags & AP_UNAPPLY ? false
3653 : !ob->flag [FLAG_APPLIED]; // AP_TOGGLE
3654
3655 object_ptr *slot = 0;
3656
3657 // detect the slot, if this is a player
3658 if (contr && !(aflags & AP_NO_SLOT))
3659 {
3660 object *oslot;
3661
3662 switch (ob->type)
3663 {
3664 case WEAPON:
3665 slot = &contr->combat_ob;
3666 oslot = contr->ranged_ob;
3667 break;
3668
3669 case BOW:
3670 case RANGED:
3671 case SPELL:
3672 case WAND:
3673 case ROD:
3674 case HORN:
3675 case BUILDER:
3676 slot = &contr->ranged_ob;
3677 oslot = contr->combat_ob;
3678 break;
3679
3680 // oh, the humanity
3681 case SKILL:
3682 if (aflags & AP_NO_SLOT)
3683 break;
3684
3685 if (skill_flags [ob->subtype] & SF_NEED_ITEM)
3686 break;
3687
3688 if (skill_flags [ob->subtype] & SF_COMBAT)
3689 {
3690 slot = &contr->combat_ob;
3691 oslot = contr->ranged_ob;
3692 }
3693 else if (skill_flags [ob->subtype] & SF_RANGED)
3694 {
3695 slot = &contr->ranged_ob;
3696 oslot = contr->combat_ob;
3697 }
3698
3699 break;
3700 }
3701
3702 // now handle slot exclusions
3703 if (slot)
3704 {
3705 // only one slot can be active
3706 if (want_apply)
3707 {
3708 // clear slot unless we are in it already
3709 if (*slot != ob)
3710 apply (*slot, AP_UNAPPLY);
3711
3712 // unapply other slot, because we want to become active
3713 apply (oslot, AP_UNAPPLY);
3714 }
3715
3716 // clear item from slot if applied
3717 if (!want_apply && current_weapon == ob)
3718 current_weapon = 0;
3719 }
3720 }
3721
3722 if (ob->flag [FLAG_APPLIED] != want_apply)
3723 manual_apply (this, ob, aflags);
3724
3725 if (ob->flag [FLAG_APPLIED] != want_apply)
3726 return false;
3727
3728 if (slot && want_apply)
3729 current_weapon = *slot = ob;
3730
3731 return true;
3549} 3732}
3550 3733
3551/** 3734/**
3552 * Map was just loaded, handle op's initialisation. 3735 * Map was just loaded, handle op's initialisation.
3553 * 3736 *
… …
3556int 3739int
3557auto_apply (object *op) 3740auto_apply (object *op)
3558{ 3741{
3559 object *tmp = NULL, *tmp2; 3742 object *tmp = NULL, *tmp2;
3560 int i; 3743 int i;
3744
3745 CLEAR_FLAG (op, FLAG_AUTO_APPLY);
3561 3746
3562 switch (op->type) 3747 switch (op->type)
3563 { 3748 {
3564 case SHOP_FLOOR: 3749 case SHOP_FLOOR:
3565 if (!op->has_random_items ()) 3750 if (!op->has_random_items ())
… …
3567 3752
3568 do 3753 do
3569 { 3754 {
3570 i = 10; /* let's give it 10 tries */ 3755 i = 10; /* let's give it 10 tries */
3571 while ((tmp = generate_treasure (op->randomitems, 3756 while ((tmp = generate_treasure (op->randomitems,
3572 op->stats.exp ? (int) op->stats.exp : MAX (op->map->difficulty, 5))) == NULL && --i); 3757 op->stats.exp
3758 ? (int) op->stats.exp
3759 : max (op->map->difficulty, 5)))
3760 == NULL && --i);
3761
3573 if (tmp == NULL) 3762 if (tmp == NULL)
3574 return 0; 3763 return 0;
3764
3575 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED)) 3765 if (QUERY_FLAG (tmp, FLAG_CURSED) || QUERY_FLAG (tmp, FLAG_DAMNED))
3576 { 3766 {
3577 tmp->destroy (); 3767 tmp->destroy ();
3578 tmp = NULL; 3768 tmp = NULL;
3579 } 3769 }
… …
3582 3772
3583 tmp->x = op->x; 3773 tmp->x = op->x;
3584 tmp->y = op->y; 3774 tmp->y = op->y;
3585 SET_FLAG (tmp, FLAG_UNPAID); 3775 SET_FLAG (tmp, FLAG_UNPAID);
3586 insert_ob_in_map (tmp, op->map, NULL, 0); 3776 insert_ob_in_map (tmp, op->map, NULL, 0);
3587 CLEAR_FLAG (op, FLAG_AUTO_APPLY);
3588 identify (tmp); 3777 identify (tmp);
3589 break; 3778 break;
3590 3779
3591 case TREASURE: 3780 case TREASURE:
3592 if (QUERY_FLAG (op, FLAG_IS_A_TEMPLATE)) 3781 if (QUERY_FLAG (op, FLAG_IS_A_TEMPLATE))
… …
3599 /* If we generated an object and put it in this object inventory, 3788 /* If we generated an object and put it in this object inventory,
3600 * move it to the parent object as the current object is about 3789 * move it to the parent object as the current object is about
3601 * to disappear. An example of this item is the random_* stuff 3790 * to disappear. An example of this item is the random_* stuff
3602 * that is put inside other objects. 3791 * that is put inside other objects.
3603 */ 3792 */
3604 for (tmp = op->inv; tmp; tmp = tmp2)
3605 {
3606 tmp2 = tmp->below;
3607 tmp->remove ();
3608
3609 if (op->env) 3793 if (op->env)
3610 insert_ob_in_ob (tmp, op->env); 3794 while (op->inv)
3611 else 3795 op->env->insert (op->inv);
3612 tmp->destroy ();
3613 }
3614 3796
3615 op->destroy (); 3797 op->destroy ();
3616 break; 3798 break;
3617 } 3799 }
3618 return tmp ? 1 : 0; 3800
3801 return !!tmp;
3619} 3802}
3620 3803
3621/** 3804/**
3622 * fix_auto_apply goes through the entire map every time a map 3805 * fix_auto_apply goes through the entire map every time a map
3623 * is loaded or swapped in and performs special actions for 3806 * is loaded or swapped in and performs special actions for
… …
3637 3820
3638 if (tmp->inv) 3821 if (tmp->inv)
3639 { 3822 {
3640 object *invtmp, *invnext; 3823 object *invtmp, *invnext;
3641 3824
3642 for (invtmp = tmp->inv; invtmp != NULL; invtmp = invnext) 3825 for (invtmp = tmp->inv; invtmp; invtmp = invnext)
3643 { 3826 {
3644 invnext = invtmp->below; 3827 invnext = invtmp->below;
3645 3828
3646 if (QUERY_FLAG (invtmp, FLAG_AUTO_APPLY)) 3829 if (QUERY_FLAG (invtmp, FLAG_AUTO_APPLY))
3647 auto_apply (invtmp); 3830 auto_apply (invtmp);
3648 else if (invtmp->type == TREASURE && invtmp->has_random_items ()) 3831 else if (invtmp->type == TREASURE && invtmp->has_random_items ())
3649 { 3832 {
3650 while ((invtmp->stats.hp--) > 0) 3833 while (invtmp->stats.hp-- > 0)
3651 create_treasure (invtmp->randomitems, invtmp, 0, difficulty, 0); 3834 create_treasure (invtmp->randomitems, invtmp, 0, difficulty, 0);
3652 3835
3653 invtmp->randomitems = NULL; 3836 invtmp->randomitems = NULL;
3654 } 3837 }
3655 else if (invtmp && invtmp->arch 3838 else if (invtmp && invtmp->arch
… …
3660 * treasure again for this object 3843 * treasure again for this object
3661 */ 3844 */
3662 invtmp->randomitems = NULL; 3845 invtmp->randomitems = NULL;
3663 } 3846 }
3664 } 3847 }
3848
3665 /* This is really temporary - the code at the bottom will 3849 /* This is really temporary - the code at the bottom will
3666 * also set randomitems to null. The problem is there are bunches 3850 * also set randomitems to null. The problem is there are bunches
3667 * of maps/players already out there with items that have spells 3851 * of maps/players already out there with items that have spells
3668 * which haven't had the randomitems set to null yet. 3852 * which haven't had the randomitems set to null yet.
3669 * MSW 2004-05-13 3853 * MSW 2004-05-13
… …
3673 * Ryo 2004-08-16 3857 * Ryo 2004-08-16
3674 */ 3858 */
3675 if (tmp->type == WAND || tmp->type == ROD || tmp->type == SCROLL 3859 if (tmp->type == WAND || tmp->type == ROD || tmp->type == SCROLL
3676 || tmp->type == HORN || tmp->type == FIREWALL || tmp->type == POTION || tmp->type == ALTAR || tmp->type == SPELLBOOK) 3860 || tmp->type == HORN || tmp->type == FIREWALL || tmp->type == POTION || tmp->type == ALTAR || tmp->type == SPELLBOOK)
3677 tmp->randomitems = NULL; 3861 tmp->randomitems = NULL;
3678
3679 } 3862 }
3680 3863
3681 if (QUERY_FLAG (tmp, FLAG_AUTO_APPLY)) 3864 if (QUERY_FLAG (tmp, FLAG_AUTO_APPLY))
3682 auto_apply (tmp); 3865 auto_apply (tmp);
3683 else if ((tmp->type == TREASURE || (tmp->type == CONTAINER)) && tmp->has_random_items ()) 3866 else if ((tmp->type == TREASURE || (tmp->type == CONTAINER)) && tmp->has_random_items ())
… …
3716 } 3899 }
3717 3900
3718 for (mapspace *ms = spaces + size (); ms-- > spaces; ) 3901 for (mapspace *ms = spaces + size (); ms-- > spaces; )
3719 for (object *tmp = ms->bot; tmp; tmp = tmp->above) 3902 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
3720 if (tmp->above && (tmp->type == TRIGGER_BUTTON || tmp->type == TRIGGER_PEDESTAL)) 3903 if (tmp->above && (tmp->type == TRIGGER_BUTTON || tmp->type == TRIGGER_PEDESTAL))
3721 check_trigger (tmp, tmp->above); 3904 check_trigger (tmp, tmp->above, tmp->above);
3722} 3905}
3723 3906
3724/** 3907/**
3725 * Handles player eating food that temporarily changes status (resistances, stats). 3908 * Handles player eating food that temporarily changes status (resistances, stats).
3726 * This used to call cast_change_attr(), but 3909 * This used to call cast_change_attr(), but
… …
3731eat_special_food (object *who, object *food) 3914eat_special_food (object *who, object *food)
3732{ 3915{
3733 object *force; 3916 object *force;
3734 int i, did_one = 0; 3917 int i, did_one = 0;
3735 3918
3736 force = get_archetype (FORCE_NAME); 3919 char buf[64];
3920 snprintf (buf, sizeof(buf), "sp_food_%s", &food->title);
3921 shstr key (buf);
3737 3922
3738 for (i = 0; i < NUM_STATS; i++)
3739 if (sint8 k = food->stats.stat (i))
3740 {
3741 force->stats.stat (i) = k;
3742 did_one = 1;
3743 }
3744
3745 /* check if we can protect the eater */
3746 for (i = 0; i < NROFATTACKS; i++)
3747 {
3748 if (food->resist[i] > 0)
3749 {
3750 force->resist[i] = food->resist[i] / 2;
3751 did_one = 1;
3752 }
3753 }
3754
3755 if (did_one)
3756 {
3757 force->set_speed (0.1);
3758 /* bigger morsel of food = longer effect time */ 3923 /* bigger morsel of food = longer effect time */
3759 force->duration = food->stats.food / 5; 3924 int duration = TIME2TICK (food->stats.food);
3760 SET_FLAG (force, FLAG_APPLIED); 3925
3761 change_abil (who, force); 3926 if (force = who->force_find (key))
3762 insert_ob_in_ob (force, who); 3927 {
3928 if (duration > fabs (force->speed_left / force->speed))
3929 {
3930 new_draw_info_format (NDI_UNIQUE, 0, who, "More magical force spreads through you. H<The effect will last for about %.10g more seconds.>", TICK2TIME (duration));
3931 force->force_set_timer (duration);
3932 }
3933 else
3934 new_draw_info (NDI_UNIQUE, 0, who, "It had no additional effect.");
3935
3936 return;
3763 } 3937 }
3764 else 3938 else
3939 {
3940 force = who->force_add (key, duration);
3941 force->name = key;
3942
3943 /* check if the food affects a stat */
3944 for (i = 0; i < NUM_STATS; i++)
3945 if (sint8 k = food->stats.stat (i))
3946 {
3947 force->stats.stat (i) = k;
3948 did_one = 1;
3949 }
3950
3951 /* check if we can protect the eater */
3952 for (i = 0; i < NROFATTACKS; i++)
3953 {
3954 if (food->resist[i] > 0)
3955 {
3956 force->resist[i] = food->resist[i];
3957 did_one = 1;
3958 }
3959 }
3960
3961 if (did_one)
3962 {
3963 new_draw_info_format (NDI_UNIQUE, 0, who, "You are suffused with magical force. H<The effect will last for about %.10g seconds.>", TICK2TIME (duration));
3964
3965 /* make the force take effect and report effects to user */
3966 change_abil (who, force);
3967 }
3968 else
3765 force->destroy (); 3969 force->destroy ();
3970 }
3766 3971
3767 /* check for hp, sp change */ 3972 /* check for hp, sp change */
3768 if (food->stats.hp != 0) 3973 if (food->stats.hp != 0)
3769 { 3974 {
3770 if (QUERY_FLAG (food, FLAG_CURSED)) 3975 if (QUERY_FLAG (food, FLAG_CURSED))
3771 { 3976 {
3772 assign (who->contr->killer, food->name); 3977 who->contr->killer = food;
3773 hit_player (who, food->stats.hp, food, AT_POISON, 1); 3978 hit_player (who, food->stats.hp, food, AT_POISON, 1);
3774 who->failmsg ("Eck!...that was poisonous!"); 3979 who->failmsg ("Eck!...that was poisonous!");
3775 } 3980 }
3776 else 3981 else
3777 { 3982 {
… …
3781 who->failmsg ("Eck!...that was poisonous!"); 3986 who->failmsg ("Eck!...that was poisonous!");
3782 3987
3783 who->stats.hp += food->stats.hp; 3988 who->stats.hp += food->stats.hp;
3784 } 3989 }
3785 } 3990 }
3991
3786 if (food->stats.sp != 0) 3992 if (food->stats.sp != 0)
3787 { 3993 {
3788 if (QUERY_FLAG (food, FLAG_CURSED)) 3994 if (QUERY_FLAG (food, FLAG_CURSED))
3789 { 3995 {
3790 who->failmsg ("You are drained of mana!"); 3996 who->failmsg ("You are drained of mana!");
… …
3799 /* place limit on max sp from food? */ 4005 /* place limit on max sp from food? */
3800 } 4006 }
3801 } 4007 }
3802 4008
3803 who->update_stats (); 4009 who->update_stats ();
3804}
3805
3806/**
3807 * Designed primarily to light torches/lanterns/etc.
3808 * Also burns up burnable material too. First object in the inventory is
3809 * the selected object to "burn". -b.t.
3810 */
3811void
3812apply_lighter (object *who, object *lighter)
3813{
3814 object *item;
3815 int is_player_env = 0;
3816
3817 item = find_marked_object (who);
3818 if (item)
3819 {
3820 if (lighter->last_eat && lighter->stats.food)
3821 { /* lighter gets used up */
3822 /* Split multiple lighters if they're being used up. Otherwise *
3823 * one charge from each would be used up. --DAMN */
3824 if (lighter->nrof > 1)
3825 {
3826 object *oneLighter = lighter->clone ();
3827
3828 lighter->nrof -= 1;
3829 oneLighter->nrof = 1;
3830 oneLighter->stats.food--;
3831 esrv_send_item (who, lighter);
3832 oneLighter = insert_ob_in_ob (oneLighter, who);
3833 esrv_send_item (who, oneLighter);
3834 }
3835 else
3836 lighter->stats.food--;
3837 }
3838 else if (lighter->last_eat)
3839 {
3840 /* no charges left in lighter */
3841 who->failmsg (format ("You attempt to light the %s with a used up %s.", &item->name, &lighter->name));
3842 return;
3843 }
3844
3845 /* Perhaps we should split what we are trying to light on fire?
3846 * I can't see many times when you would want to light multiple
3847 * objects at once.
3848 */
3849
3850 if (who == item->in_player ())
3851 is_player_env = 1;
3852
3853 save_throw_object (item, AT_FIRE, who);
3854
3855 if (item->destroyed ())
3856 {
3857 who->statusmsg (format ("You light the %s with the %s.", &item->name, &lighter->name));
3858 /* Need to update the player so that the players glow radius
3859 * gets changed.
3860 */
3861 if (is_player_env)
3862 who->update_stats ();
3863 }
3864 else
3865 who->failmsg (format ("You attempt to light the %s with the %s and fail.", &item->name, &lighter->name));
3866 }
3867 else
3868 who->failmsg ("You need to mark a lightable object.");
3869}
3870
3871/**
3872 * op made some mistake with a scroll, this takes care of punishment.
3873 * scroll_failure()- hacked directly from spell_failure
3874 */
3875void
3876scroll_failure (object *op, int failure, int power)
3877{
3878 if (abs (failure / 4) > power)
3879 power = abs (failure / 4); /* set minimum effect */
3880
3881 if (failure <= -1 && failure > -15)
3882 { /* wonder */
3883 object *tmp;
3884
3885 op->failmsg ("Your spell warps!");
3886 tmp = get_archetype (SPELL_WONDER);
3887 cast_wonder (op, op, 0, tmp);
3888 tmp->destroy ();
3889 }
3890 else if (failure <= -15 && failure > -35)
3891 { /* drain mana */
3892 op->failmsg ("Your mana is drained!");
3893 op->stats.sp -= random_roll (0, power - 1, op, PREFER_LOW);
3894 if (op->stats.sp < 0)
3895 op->stats.sp = 0;
3896 }
3897 else if (settings.spell_failure_effects == TRUE)
3898 {
3899 if (failure <= -35 && failure > -60)
3900 { /* confusion */
3901 op->failmsg ("The magic recoils on you!");
3902 confuse_player (op, op, power);
3903 }
3904 else if (failure <= -60 && failure > -70)
3905 { /* paralysis */
3906 op->failmsg ("The magic recoils and paralyzes you!");
3907 paralyze_player (op, op, power);
3908 }
3909 else if (failure <= -70 && failure > -80)
3910 { /* blind */
3911 op->failmsg ("The magic recoils on you!");
3912 blind_player (op, op, power);
3913 }
3914 else if (failure <= -80)
3915 { /* blast the immediate area */
3916 object *tmp = get_archetype (LOOSE_MANA);
3917 cast_magic_storm (op, tmp, power);
3918 op->failmsg ("You unleash uncontrolled mana!");
3919 tmp->destroy ();
3920 }
3921 }
3922} 4010}
3923 4011
3924void 4012void
3925apply_changes_to_player (object *pl, object *change) 4013apply_changes_to_player (object *pl, object *change)
3926{ 4014{
… …
3974 } 4062 }
3975 4063
3976 /* insert the randomitems from the change's treasurelist into 4064 /* insert the randomitems from the change's treasurelist into
3977 * the player ref: player.c 4065 * the player ref: player.c
3978 */ 4066 */
3979 if (change->randomitems != NULL) 4067 if (change->randomitems)
3980 give_initial_items (pl, change->randomitems); 4068 give_initial_items (pl, change->randomitems);
3981 4069
3982 /* set up the face, for some races. */ 4070 /* set up the face, for some races. */
3983 4071
3984 /* first, look for the force object banning 4072 /* first, look for the force object banning
3985 * changing the face. Certain races never change face with class. 4073 * changing the face. Certain races never change face with class.
3986 */ 4074 */
3987 for (walk = pl->inv; walk != NULL; walk = walk->below) 4075 for (walk = pl->inv; walk; walk = walk->below)
3988 if (!strcmp (walk->name, "NOCLASSFACECHANGE")) 4076 if (walk->name == shstr_NOCLASSFACECHANGE)
3989 flag_change_face = 0; 4077 flag_change_face = 0;
3990 4078
3991 if (flag_change_face) 4079 if (flag_change_face)
3992 { 4080 {
3993 pl->animation_id = GET_ANIM_ID (change);
3994 pl->face = change->face; 4081 pl->face = change->face;
3995 4082 pl->animation_id = change->animation_id;
3996 if (QUERY_FLAG (change, FLAG_ANIMATE)) 4083 pl->flag [FLAG_ANIMATE] = change->flag [FLAG_ANIMATE];
3997 SET_FLAG (pl, FLAG_ANIMATE);
3998 else
3999 CLEAR_FLAG (pl, FLAG_ANIMATE);
4000 } 4084 }
4001 4085
4002 /* check the special case of can't use weapons */ 4086 /* check the special case of can't use weapons */
4003 /*if(QUERY_FLAG(change,FLAG_USE_WEAPON)) CLEAR_FLAG(pl,FLAG_USE_WEAPON); */ 4087 /*if(QUERY_FLAG(change,FLAG_USE_WEAPON)) CLEAR_FLAG(pl,FLAG_USE_WEAPON); */
4004 if (!strcmp (change->name, "monk")) 4088 if (change->name == shstr_monk)
4005 CLEAR_FLAG (pl, FLAG_USE_WEAPON); 4089 CLEAR_FLAG (pl, FLAG_USE_WEAPON);
4006 4090
4007 break; 4091 break;
4008 } 4092 }
4009 } 4093 }
4010} 4094}
4011 4095
4012/**
4013 * This handles items of type 'transformer'.
4014 * Basically those items, used with a marked item, transform both items into something
4015 * else.
4016 * "Transformer" item has food decreased by 1, removed if 0 (0 at start means illimited)..
4017 * Change information is contained in the 'slaying' field of the marked item.
4018 * The format is as follow: transformer:[number ]yield[;transformer:...].
4019 * This way an item can be transformed in many things, and/or many objects.
4020 * The 'slaying' field for transformer is used as verb for the action.
4021 */
4022void
4023apply_item_transformer (object *pl, object *transformer)
4024{
4025 object *marked;
4026 object *new_item;
4027 char *find;
4028 char *separator;
4029 int yield;
4030 char got[MAX_BUF];
4031 int len;
4032
4033 if (!pl || !transformer)
4034 return;
4035
4036 marked = find_marked_object (pl);
4037
4038 if (!marked)
4039 {
4040 pl->failmsg (format ("Use the %s with what item?", query_name (transformer)));
4041 return;
4042 }
4043
4044 if (!marked->slaying)
4045 {
4046 pl->failmsg (format ("You can't use the %s with your %s!", query_name (transformer), query_name (marked)));
4047 return;
4048 }
4049
4050 /* check whether they are compatible or not */
4051 find = strstr (marked->slaying, transformer->arch->archname);
4052 if (!find || (*(find + strlen (transformer->arch->archname)) != ':'))
4053 {
4054 pl->failmsg (format ("You can't use the %s with your %s!", query_name (transformer), query_name (marked)));
4055 return;
4056 }
4057
4058 find += strlen (transformer->arch->archname) + 1;
4059 /* Item can be used, now find how many and what it yields */
4060 if (isdigit (*(find)))
4061 {
4062 yield = atoi (find);
4063 if (yield < 1)
4064 {
4065 LOG (llevDebug, "apply_item_transformer: item %s has slaying-yield %d.", query_base_name (marked, 0), yield);
4066 yield = 1;
4067 }
4068 }
4069 else
4070 yield = 1;
4071
4072 while (isdigit (*find))
4073 find++;
4074
4075 while (*find == ' ')
4076 find++;
4077
4078 memset (got, 0, MAX_BUF);
4079
4080 if ((separator = strchr (find, ';')) != NULL)
4081 len = separator - find;
4082 else
4083 len = strlen (find);
4084
4085 if (len > MAX_BUF - 1)
4086 len = MAX_BUF - 1;
4087
4088 strcpy (got, find);
4089 got[len] = '\0';
4090
4091 /* Now create new item, remove used ones when required. */
4092 new_item = get_archetype (got);
4093 if (!new_item)
4094 {
4095 pl->failmsg (format ("This %s is strange, better to not use it.", query_base_name (marked, 0)));
4096 return;
4097 }
4098
4099 new_item->nrof = yield;
4100
4101 pl->statusmsg (format ("You %s the %s.", &transformer->slaying, query_base_name (marked, 0)));
4102
4103 insert_ob_in_ob (new_item, pl);
4104 esrv_send_inventory (pl, pl);
4105 /* Eat up one item */
4106 decrease_ob_nr (marked, 1);
4107
4108 /* Eat one transformer if needed */
4109 if (transformer->stats.food)
4110 if (--transformer->stats.food == 0)
4111 decrease_ob_nr (transformer, 1);
4112}
4113

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