src/cmd-usestaff.c

   1 #include "angband.h"
   2 #include "util.h"
   3
   4 #include "spells-summon.h"
   5 #include "avatar.h"
   6 #include "player-status.h"
   7 #include "player-effects.h"
   8 #include "spells-status.h"
   9 #include "spells-floor.h"
  10 #include "object-hook.h"
  11 #include "cmd-basic.h"
  12
  13
  14
  15 /*!
  16 * @brief 杖の効果を発動する
  17 * @param sval オブジェクトのsval
  18 * @param use_charge 使用回数を消費したかどうかを返す参照ポインタ
  19 * @param powerful 強力発動上の処理ならばTRUE
  20 * @param magic 魔道具術上の処理ならばTRUE
  21 * @param known 判明済ならばTRUE
  22 * @return 発動により効果内容が確定したならばTRUEを返す
  23 */
  24 int staff_effect(OBJECT_SUBTYPE_VALUE sval, bool *use_charge, bool powerful, bool magic, bool known)
  25 {
  26         int k;
  27         int ident = FALSE;
  28         PLAYER_LEVEL lev = powerful ? p_ptr->lev * 2 : p_ptr->lev;
  29         POSITION detect_rad = powerful ? DETECT_RAD_DEFAULT * 3 / 2 : DETECT_RAD_DEFAULT;
  30
  31         /* Analyze the staff */
  32         switch (sval)
  33         {
  34                 case SV_STAFF_DARKNESS:
  35                 {
  36                         if (!(p_ptr->resist_blind) && !(p_ptr->resist_dark))
  37                         {
  38                                 if (set_blind(p_ptr->blind + 3 + randint1(5))) ident = TRUE;
  39                         }
  40                         if (unlite_area(10, (powerful ? 6 : 3))) ident = TRUE;
  41                         break;
  42                 }
  43
  44                 case SV_STAFF_SLOWNESS:
  45                 {
  46                         if (set_slow(p_ptr->slow + randint1(30) + 15, FALSE)) ident = TRUE;
  47                         break;
  48                 }
  49
  50                 case SV_STAFF_HASTE_MONSTERS:
  51                 {
  52                         if (speed_monsters()) ident = TRUE;
  53                         break;
  54                 }
  55
  56                 case SV_STAFF_SUMMONING:
  57                 {
  58                         const int times = randint1(powerful ? 8 : 4);
  59                         for (k = 0; k < times; k++)
  60                         {
  61                                 if (summon_specific(0, p_ptr->y, p_ptr->x, current_floor_ptr->dun_level, 0, (PM_ALLOW_GROUP | PM_ALLOW_UNIQUE | PM_NO_PET), '\0'))
  62                                 {
  63                                         ident = TRUE;
  64                                 }
  65                         }
  66                         break;
  67                 }
  68
  69                 case SV_STAFF_TELEPORTATION:
  70                 {
  71                         teleport_player((powerful ? 150 : 100), 0L);
  72                         ident = TRUE;
  73                         break;
  74                 }
  75
  76                 case SV_STAFF_IDENTIFY:
  77                 {
  78                         if (powerful) {
  79                                 if (!identify_fully(FALSE)) *use_charge = FALSE;
  80                         }
  81                         else {
  82                                 if (!ident_spell(FALSE)) *use_charge = FALSE;
  83                         }
  84                         ident = TRUE;
  85                         break;
  86                 }
  87
  88                 case SV_STAFF_REMOVE_CURSE:
  89                 {
  90                         bool result = powerful ? remove_all_curse() : remove_curse();
  91                         if (result)
  92                         {
  93                                 ident = TRUE;
  94                         }
  95                         break;
  96                 }
  97
  98                 case SV_STAFF_STARLITE:
  99                         ident = starlight(magic);
 100                         break;
 101
 102                 case SV_STAFF_LITE:
 103                 {
 104                         if (lite_area(damroll(2, 8), (powerful ? 4 : 2))) ident = TRUE;
 105                         break;
 106                 }
 107
 108                 case SV_STAFF_MAPPING:
 109                 {
 110                         map_area(powerful ? DETECT_RAD_MAP * 3 / 2 : DETECT_RAD_MAP);
 111                         ident = TRUE;
 112                         break;
 113                 }
 114
 115                 case SV_STAFF_DETECT_GOLD:
 116                 {
 117                         if (detect_treasure(detect_rad)) ident = TRUE;
 118                         if (detect_objects_gold(detect_rad)) ident = TRUE;
 119                         break;
 120                 }
 121
 122                 case SV_STAFF_DETECT_ITEM:
 123                 {
 124                         if (detect_objects_normal(detect_rad)) ident = TRUE;
 125                         break;
 126                 }
 127
 128                 case SV_STAFF_DETECT_TRAP:
 129                 {
 130                         if (detect_traps(detect_rad, known)) ident = TRUE;
 131                         break;
 132                 }
 133
 134                 case SV_STAFF_DETECT_DOOR:
 135                 {
 136                         if (detect_doors(detect_rad)) ident = TRUE;
 137                         if (detect_stairs(detect_rad)) ident = TRUE;
 138                         break;
 139                 }
 140
 141                 case SV_STAFF_DETECT_INVIS:
 142                 {
 143                         if (detect_monsters_invis(detect_rad)) ident = TRUE;
 144                         break;
 145                 }
 146
 147                 case SV_STAFF_DETECT_EVIL:
 148                 {
 149                         if (detect_monsters_evil(detect_rad)) ident = TRUE;
 150                         break;
 151                 }
 152
 153                 case SV_STAFF_CURE_LIGHT:
 154                 {
 155                         ident = cure_light_wounds((powerful ? 4 : 2), 8);
 156                         break;
 157                 }
 158
 159                 case SV_STAFF_CURING:
 160                 {
 161                         ident = true_healing(0);
 162                         if (set_shero(0, TRUE)) ident = TRUE;
 163                         break;
 164                 }
 165
 166                 case SV_STAFF_HEALING:
 167                 {
 168                         if (cure_critical_wounds(powerful ? 500 : 300)) ident = TRUE;
 169                         break;
 170                 }
 171
 172                 case SV_STAFF_THE_MAGI:
 173                 {
 174                         if (do_res_stat(A_INT)) ident = TRUE;
 175                         ident |= restore_mana(FALSE);
 176                         if (set_shero(0, TRUE)) ident = TRUE;
 177                         break;
 178                 }
 179
 180                 case SV_STAFF_SLEEP_MONSTERS:
 181                 {
 182                         if (sleep_monsters(lev)) ident = TRUE;
 183                         break;
 184                 }
 185
 186                 case SV_STAFF_SLOW_MONSTERS:
 187                 {
 188                         if (slow_monsters(lev)) ident = TRUE;
 189                         break;
 190                 }
 191
 192                 case SV_STAFF_SPEED:
 193                 {
 194                         if (set_fast(randint1(30) + (powerful ? 30 : 15), FALSE)) ident = TRUE;
 195                         break;
 196                 }
 197
 198                 case SV_STAFF_PROBING:
 199                 {
 200                         ident = probing();
 201                         break;
 202                 }
 203
 204                 case SV_STAFF_DISPEL_EVIL:
 205                 {
 206                         ident = dispel_evil(powerful ? 120 : 80);
 207                         break;
 208                 }
 209
 210                 case SV_STAFF_POWER:
 211                 {
 212                         ident = dispel_monsters(powerful ? 225 : 150) ;
 213                         break;
 214                 }
 215
 216                 case SV_STAFF_HOLINESS:
 217                 {
 218                         ident = cleansing_nova(p_ptr, magic, powerful);
 219                         break;
 220                 }
 221
 222                 case SV_STAFF_GENOCIDE:
 223                 {
 224                         ident = symbol_genocide((magic ? lev + 50 : 200), TRUE);
 225                         break;
 226                 }
 227
 228                 case SV_STAFF_EARTHQUAKES:
 229                 {
 230                         if (earthquake(p_ptr->y, p_ptr->x, (powerful ? 15 : 10)))
 231                                 ident = TRUE;
 232                         else
 233                                 msg_print(_("ダンジョンが揺れた。", "The dungeon trembles."));
 234
 235                         break;
 236                 }
 237
 238                 case SV_STAFF_DESTRUCTION:
 239                 {
 240                         ident = destroy_area(p_ptr->y, p_ptr->x, (powerful ? 18 : 13) + randint0(5), FALSE);
 241                         break;
 242                 }
 243
 244                 case SV_STAFF_ANIMATE_DEAD:
 245                 {
 246                         ident = animate_dead(0, p_ptr->y, p_ptr->x);
 247                         break;
 248                 }
 249
 250                 case SV_STAFF_MSTORM:
 251                 {
 252                         ident = unleash_mana_storm(p_ptr, powerful);
 253                         break;
 254                 }
 255
 256                 case SV_STAFF_NOTHING:
 257                 {
 258                         msg_print(_("何も起らなかった。", "Nothing happen."));
 259                         if (prace_is_(RACE_SKELETON) || prace_is_(RACE_GOLEM) ||
 260                                 prace_is_(RACE_ZOMBIE) || prace_is_(RACE_SPECTRE))
 261                                 msg_print(_("もったいない事をしたような気がする。食べ物は大切にしなくては。", "What a waste.  It's your food!"));
 262                         break;
 263                 }
 264         }
 265         return ident;
 266 }
 267
 268 /*!
 269  * @brief 杖を使うコマンドのサブルーチン /
 270  * Use a staff.                 -RAK-
 271  * @param item 使うオブジェクトの所持品ID
 272  * @return なし
 273  * @details
 274  * One charge of one staff disappears.
 275  * Hack -- staffs of identify can be "cancelled".
 276  */
 277 void do_cmd_use_staff_aux(INVENTORY_IDX item)
 278 {
 279         int         ident, chance, lev;
 280         object_type *o_ptr;
 281
 282
 283         /* Hack -- let staffs of identify get aborted */
 284         bool use_charge = TRUE;
 285
 286
 287         /* Get the item (in the pack) */
 288         if (item >= 0)
 289         {
 290                 o_ptr = &inventory[item];
 291         }
 292
 293         /* Get the item (on the floor) */
 294         else
 295         {
 296                 o_ptr = &current_floor_ptr->o_list[0 - item];
 297         }
 298
 299
 300         /* Mega-Hack -- refuse to use a pile from the ground */
 301         if ((item < 0) && (o_ptr->number > 1))
 302         {
 303                 msg_print(_("まずは杖を拾わなければ。", "You must first pick up the staffs."));
 304                 return;
 305         }
 306
 307
 308         take_turn(p_ptr, 100);
 309
 310         /* Extract the item level */
 311         lev = k_info[o_ptr->k_idx].level;
 312         if (lev > 50) lev = 50 + (lev - 50) / 2;
 313
 314         /* Base chance of success */
 315         chance = p_ptr->skill_dev;
 316
 317         /* Confusion hurts skill */
 318         if (p_ptr->confused) chance = chance / 2;
 319
 320         /* Hight level objects are harder */
 321         chance = chance - lev;
 322
 323         /* Give everyone a (slight) chance */
 324         if ((chance < USE_DEVICE) && one_in_(USE_DEVICE - chance + 1))
 325         {
 326                 chance = USE_DEVICE;
 327         }
 328
 329         if (cmd_limit_time_walk(p_ptr)) return;
 330
 331         /* Roll for usage */
 332         if ((chance < USE_DEVICE) || (randint1(chance) < USE_DEVICE) || (p_ptr->pclass == CLASS_BERSERKER))
 333         {
 334                 if (flush_failure) flush();
 335                 msg_print(_("杖をうまく使えなかった。", "You failed to use the staff properly."));
 336                 sound(SOUND_FAIL);
 337                 return;
 338         }
 339
 340         /* Notice empty staffs */
 341         if (o_ptr->pval <= 0)
 342         {
 343                 if (flush_failure) flush();
 344                 msg_print(_("この杖にはもう魔力が残っていない。", "The staff has no charges left."));
 345                 o_ptr->ident |= (IDENT_EMPTY);
 346                 p_ptr->update |= (PU_COMBINE | PU_REORDER);
 347                 p_ptr->window |= (PW_INVEN);
 348
 349                 return;
 350         }
 351
 352
 353         sound(SOUND_ZAP);
 354
 355         ident = staff_effect(o_ptr->sval, &use_charge, FALSE, FALSE, object_is_aware(o_ptr));
 356
 357         if (!(object_is_aware(o_ptr)))
 358         {
 359                 chg_virtue(V_PATIENCE, -1);
 360                 chg_virtue(V_CHANCE, 1);
 361                 chg_virtue(V_KNOWLEDGE, -1);
 362         }
 363         p_ptr->update |= (PU_COMBINE | PU_REORDER);
 364
 365         /* Tried the item */
 366         object_tried(o_ptr);
 367
 368         /* An identification was made */
 369         if (ident && !object_is_aware(o_ptr))
 370         {
 371                 object_aware(o_ptr);
 372                 gain_exp((lev + (p_ptr->lev >> 1)) / p_ptr->lev);
 373         }
 374
 375         p_ptr->window |= (PW_INVEN | PW_EQUIP | PW_PLAYER);
 376
 377
 378         /* Hack -- some uses are "free" */
 379         if (!use_charge) return;
 380
 381
 382         /* Use a single charge */
 383         o_ptr->pval--;
 384
 385         /* XXX Hack -- unstack if necessary */
 386         if ((item >= 0) && (o_ptr->number > 1))
 387         {
 388                 object_type forge;
 389                 object_type *q_ptr;
 390                 q_ptr = &forge;
 391
 392                 /* Obtain a local object */
 393                 object_copy(q_ptr, o_ptr);
 394
 395                 /* Modify quantity */
 396                 q_ptr->number = 1;
 397
 398                 /* Restore the charges */
 399                 o_ptr->pval++;
 400
 401                 /* Unstack the used item */
 402                 o_ptr->number--;
 403                 p_ptr->total_weight -= q_ptr->weight;
 404                 item = inven_carry(q_ptr);
 405
 406                 msg_print(_("杖をまとめなおした。", "You unstack your staff."));
 407         }
 408
 409         /* Describe charges in the pack */
 410         if (item >= 0)
 411         {
 412                 inven_item_charges(item);
 413         }
 414
 415         /* Describe charges on the floor */
 416         else
 417         {
 418                 floor_item_charges(0 - item);
 419         }
 420 }
 421
 422 /*!
 423 * @brief 杖を使うコマンドのメインルーチン /
 424 * @return なし
 425 */
 426 void do_cmd_use_staff(void)
 427 {
 428         OBJECT_IDX item;
 429         concptr q, s;
 430
 431         if (p_ptr->wild_mode)
 432         {
 433                 return;
 434         }
 435
 436         if (cmd_limit_arena(p_ptr)) return;
 437
 438         if (p_ptr->special_defense & (KATA_MUSOU | KATA_KOUKIJIN))
 439         {
 440                 set_action(ACTION_NONE);
 441         }
 442
 443         /* Restrict choices to wands */
 444         item_tester_tval = TV_STAFF;
 445
 446         q = _("どの杖を使いますか? ", "Use which staff? ");
 447         s = _("使える杖がない。", "You have no staff to use.");
 448
 449         if (!choose_object(&item, q, s, (USE_INVEN | USE_FLOOR))) return;
 450
 451         do_cmd_use_staff_aux(item);
 452 }