src/cmd-usestaff.c

   1 #include "angband.h"
   2 #include "projection.h"
   3 #include "spells-summon.h"
   4 #include "avatar.h"
   5 #include "player-status.h"
   6 #include "spells-status.h"
   7
   8
   9
  10 /*!
  11 * @brief 杖の効果を発動する
  12 * @param sval オブジェクトのsval
  13 * @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
  14 * @param powerful 強力発動上の処理ならばTRUE
  15 * @param magic 魔道具術上の処理ならばTRUE
  16 * @param known 判明済ならばTRUE
  17 * @return 発動により効果内容が確定したならばTRUEを返す
  18 */
  19 int staff_effect(OBJECT_SUBTYPE_VALUE sval, bool *use_charge, bool powerful, bool magic, bool known)
  20 {
  21         int k;
  22         int ident = FALSE;
  23         PLAYER_LEVEL lev = powerful ? p_ptr->lev * 2 : p_ptr->lev;
  24         POSITION detect_rad = powerful ? DETECT_RAD_DEFAULT * 3 / 2 : DETECT_RAD_DEFAULT;
  25
  26         /* Analyze the staff */
  27         switch (sval)
  28         {
  29                 case SV_STAFF_DARKNESS:
  30                 {
  31                         if (!(p_ptr->resist_blind) && !(p_ptr->resist_dark))
  32                         {
  33                                 if (set_blind(p_ptr->blind + 3 + randint1(5))) ident = TRUE;
  34                         }
  35                         if (unlite_area(10, (powerful ? 6 : 3))) ident = TRUE;
  36                         break;
  37                 }
  38
  39                 case SV_STAFF_SLOWNESS:
  40                 {
  41                         if (set_slow(p_ptr->slow + randint1(30) + 15, FALSE)) ident = TRUE;
  42                         break;
  43                 }
  44
  45                 case SV_STAFF_HASTE_MONSTERS:
  46                 {
  47                         if (speed_monsters()) ident = TRUE;
  48                         break;
  49                 }
  50
  51                 case SV_STAFF_SUMMONING:
  52                 {
  53                         const int times = randint1(powerful ? 8 : 4);
  54                         for (k = 0; k < times; k++)
  55                         {
  56                                 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'))
  57                                 {
  58                                         ident = TRUE;
  59                                 }
  60                         }
  61                         break;
  62                 }
  63
  64                 case SV_STAFF_TELEPORTATION:
  65                 {
  66                         teleport_player((powerful ? 150 : 100), 0L);
  67                         ident = TRUE;
  68                         break;
  69                 }
  70
  71                 case SV_STAFF_IDENTIFY:
  72                 {
  73                         if (powerful) {
  74                                 if (!identify_fully(FALSE)) *use_charge = FALSE;
  75                         }
  76                         else {
  77                                 if (!ident_spell(FALSE)) *use_charge = FALSE;
  78                         }
  79                         ident = TRUE;
  80                         break;
  81                 }
  82
  83                 case SV_STAFF_REMOVE_CURSE:
  84                 {
  85                         bool result = powerful ? remove_all_curse() : remove_curse();
  86                         if (result)
  87                         {
  88                                 ident = TRUE;
  89                         }
  90                         break;
  91                 }
  92
  93                 case SV_STAFF_STARLITE:
  94                         ident = starlight(magic);
  95                         break;
  96
  97                 case SV_STAFF_LITE:
  98                 {
  99                         if (lite_area(damroll(2, 8), (powerful ? 4 : 2))) ident = TRUE;
 100                         break;
 101                 }
 102
 103                 case SV_STAFF_MAPPING:
 104                 {
 105                         map_area(powerful ? DETECT_RAD_MAP * 3 / 2 : DETECT_RAD_MAP);
 106                         ident = TRUE;
 107                         break;
 108                 }
 109
 110                 case SV_STAFF_DETECT_GOLD:
 111                 {
 112                         if (detect_treasure(detect_rad)) ident = TRUE;
 113                         if (detect_objects_gold(detect_rad)) ident = TRUE;
 114                         break;
 115                 }
 116
 117                 case SV_STAFF_DETECT_ITEM:
 118                 {
 119                         if (detect_objects_normal(detect_rad)) ident = TRUE;
 120                         break;
 121                 }
 122
 123                 case SV_STAFF_DETECT_TRAP:
 124                 {
 125                         if (detect_traps(detect_rad, known)) ident = TRUE;
 126                         break;
 127                 }
 128
 129                 case SV_STAFF_DETECT_DOOR:
 130                 {
 131                         if (detect_doors(detect_rad)) ident = TRUE;
 132                         if (detect_stairs(detect_rad)) ident = TRUE;
 133                         break;
 134                 }
 135
 136                 case SV_STAFF_DETECT_INVIS:
 137                 {
 138                         if (detect_monsters_invis(detect_rad)) ident = TRUE;
 139                         break;
 140                 }
 141
 142                 case SV_STAFF_DETECT_EVIL:
 143                 {
 144                         if (detect_monsters_evil(detect_rad)) ident = TRUE;
 145                         break;
 146                 }
 147
 148                 case SV_STAFF_CURE_LIGHT:
 149                 {
 150                         ident = cure_light_wounds((powerful ? 4 : 2), 8);
 151                         break;
 152                 }
 153
 154                 case SV_STAFF_CURING:
 155                 {
 156                         ident = true_healing(0);
 157                         if (set_shero(0, TRUE)) ident = TRUE;
 158                         break;
 159                 }
 160
 161                 case SV_STAFF_HEALING:
 162                 {
 163                         if (cure_critical_wounds(powerful ? 500 : 300)) ident = TRUE;
 164                         break;
 165                 }
 166
 167                 case SV_STAFF_THE_MAGI:
 168                 {
 169                         if (do_res_stat(A_INT)) ident = TRUE;
 170                         ident |= restore_mana(FALSE);
 171                         if (set_shero(0, TRUE)) ident = TRUE;
 172                         break;
 173                 }
 174
 175                 case SV_STAFF_SLEEP_MONSTERS:
 176                 {
 177                         if (sleep_monsters(lev)) ident = TRUE;
 178                         break;
 179                 }
 180
 181                 case SV_STAFF_SLOW_MONSTERS:
 182                 {
 183                         if (slow_monsters(lev)) ident = TRUE;
 184                         break;
 185                 }
 186
 187                 case SV_STAFF_SPEED:
 188                 {
 189                         if (set_fast(randint1(30) + (powerful ? 30 : 15), FALSE)) ident = TRUE;
 190                         break;
 191                 }
 192
 193                 case SV_STAFF_PROBING:
 194                 {
 195                         ident = probing();
 196                         break;
 197                 }
 198
 199                 case SV_STAFF_DISPEL_EVIL:
 200                 {
 201                         ident = dispel_evil(powerful ? 120 : 80);
 202                         break;
 203                 }
 204
 205                 case SV_STAFF_POWER:
 206                 {
 207                         ident = dispel_monsters(powerful ? 225 : 150) ;
 208                         break;
 209                 }
 210
 211                 case SV_STAFF_HOLINESS:
 212                 {
 213                         ident = cleansing_nova(p_ptr, magic, powerful);
 214                         break;
 215                 }
 216
 217                 case SV_STAFF_GENOCIDE:
 218                 {
 219                         ident = symbol_genocide((magic ? lev + 50 : 200), TRUE);
 220                         break;
 221                 }
 222
 223                 case SV_STAFF_EARTHQUAKES:
 224                 {
 225                         if (earthquake(p_ptr->y, p_ptr->x, (powerful ? 15 : 10)))
 226                                 ident = TRUE;
 227                         else
 228                                 msg_print(_("ダンジョンが揺れた。", "The dungeon trembles."));
 229
 230                         break;
 231                 }
 232
 233                 case SV_STAFF_DESTRUCTION:
 234                 {
 235                         ident = destroy_area(p_ptr->y, p_ptr->x, (powerful ? 18 : 13) + randint0(5), FALSE);
 236                         break;
 237                 }
 238
 239                 case SV_STAFF_ANIMATE_DEAD:
 240                 {
 241                         ident = animate_dead(0, p_ptr->y, p_ptr->x);
 242                         break;
 243                 }
 244
 245                 case SV_STAFF_MSTORM:
 246                 {
 247                         ident = unleash_mana_storm(p_ptr, powerful);
 248                         break;
 249                 }
 250
 251                 case SV_STAFF_NOTHING:
 252                 {
 253                         msg_print(_("何も起らなかった。", "Nothing happen."));
 254                         if (prace_is_(RACE_SKELETON) || prace_is_(RACE_GOLEM) ||
 255                                 prace_is_(RACE_ZOMBIE) || prace_is_(RACE_SPECTRE))
 256                                 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!"));
 257                         break;
 258                 }
 259         }
 260         return ident;
 261 }
 262
 263 /*!
 264  * @brief 杖を使うコマンドのサブルーチン /
 265  * Use a staff.                 -RAK-
 266  * @param item 使うオブジェクトの所持品ID
 267  * @return なし
 268  * @details
 269  * One charge of one staff disappears.
 270  * Hack -- staffs of identify can be "cancelled".
 271  */
 272 void do_cmd_use_staff_aux(INVENTORY_IDX item)
 273 {
 274         int         ident, chance, lev;
 275         BIT_FLAGS   inventory_flags;
 276         object_type *o_ptr;
 277
 278
 279         /* Hack -- let staffs of identify get aborted */
 280         bool use_charge = TRUE;
 281
 282
 283         /* Get the item (in the pack) */
 284         if (item >= 0)
 285         {
 286                 o_ptr = &inventory[item];
 287         }
 288
 289         /* Get the item (on the floor) */
 290         else
 291         {
 292                 o_ptr = &current_floor_ptr->o_list[0 - item];
 293         }
 294
 295
 296         /* Mega-Hack -- refuse to use a pile from the ground */
 297         if ((item < 0) && (o_ptr->number > 1))
 298         {
 299                 msg_print(_("まずは杖を拾わなければ。", "You must first pick up the staffs."));
 300                 return;
 301         }
 302
 303
 304         take_turn(p_ptr, 100);
 305
 306         /* Extract the item level */
 307         lev = k_info[o_ptr->k_idx].level;
 308         if (lev > 50) lev = 50 + (lev - 50) / 2;
 309
 310         /* Base chance of success */
 311         chance = p_ptr->skill_dev;
 312
 313         /* Confusion hurts skill */
 314         if (p_ptr->confused) chance = chance / 2;
 315
 316         /* Hight level objects are harder */
 317         chance = chance - lev;
 318
 319         /* Give everyone a (slight) chance */
 320         if ((chance < USE_DEVICE) && one_in_(USE_DEVICE - chance + 1))
 321         {
 322                 chance = USE_DEVICE;
 323         }
 324
 325         if (cmd_limit_time_walk(p_ptr)) return;
 326
 327         /* Roll for usage */
 328         if ((chance < USE_DEVICE) || (randint1(chance) < USE_DEVICE) || (p_ptr->pclass == CLASS_BERSERKER))
 329         {
 330                 if (flush_failure) flush();
 331                 msg_print(_("杖をうまく使えなかった。", "You failed to use the staff properly."));
 332                 sound(SOUND_FAIL);
 333                 return;
 334         }
 335
 336         /* Notice empty staffs */
 337         if (o_ptr->pval <= 0)
 338         {
 339                 if (flush_failure) flush();
 340                 msg_print(_("この杖にはもう魔力が残っていない。", "The staff has no charges left."));
 341                 o_ptr->ident |= (IDENT_EMPTY);
 342                 p_ptr->update |= (PU_COMBINE | PU_REORDER);
 343                 p_ptr->window |= (PW_INVEN);
 344
 345                 return;
 346         }
 347
 348
 349         sound(SOUND_ZAP);
 350
 351         ident = staff_effect(o_ptr->sval, &use_charge, FALSE, FALSE, object_is_aware(o_ptr));
 352
 353         if (!(object_is_aware(o_ptr)))
 354         {
 355                 chg_virtue(V_PATIENCE, -1);
 356                 chg_virtue(V_CHANCE, 1);
 357                 chg_virtue(V_KNOWLEDGE, -1);
 358         }
 359         /*
 360          * Temporarily remove the flags for updating the inventory so
 361          * gain_exp() does not reorder the inventory before the charge
 362          * is deducted from the staff.
 363          */
 364         inventory_flags = (PU_COMBINE | PU_REORDER |
 365                            (p_ptr->update & PU_AUTODESTROY));
 366         p_ptr->update &= ~(PU_COMBINE | PU_REORDER | PU_AUTODESTROY);
 367
 368         /* Tried the item */
 369         object_tried(o_ptr);
 370
 371         /* An identification was made */
 372         if (ident && !object_is_aware(o_ptr))
 373         {
 374                 object_aware(o_ptr);
 375                 gain_exp((lev + (p_ptr->lev >> 1)) / p_ptr->lev);
 376         }
 377
 378         p_ptr->window |= (PW_INVEN | PW_EQUIP | PW_PLAYER);
 379         p_ptr->update |= inventory_flags;
 380
 381         /* Hack -- some uses are "free" */
 382         if (!use_charge) return;
 383
 384
 385         /* Use a single charge */
 386         o_ptr->pval--;
 387
 388         /* XXX Hack -- unstack if necessary */
 389         if ((item >= 0) && (o_ptr->number > 1))
 390         {
 391                 object_type forge;
 392                 object_type *q_ptr;
 393                 q_ptr = &forge;
 394
 395                 /* Obtain a local object */
 396                 object_copy(q_ptr, o_ptr);
 397
 398                 /* Modify quantity */
 399                 q_ptr->number = 1;
 400
 401                 /* Restore the charges */
 402                 o_ptr->pval++;
 403
 404                 /* Unstack the used item */
 405                 o_ptr->number--;
 406                 p_ptr->total_weight -= q_ptr->weight;
 407                 item = inven_carry(q_ptr);
 408
 409                 msg_print(_("杖をまとめなおした。", "You unstack your staff."));
 410         }
 411
 412         /* Describe charges in the pack */
 413         if (item >= 0)
 414         {
 415                 inven_item_charges(item);
 416         }
 417
 418         /* Describe charges on the floor */
 419         else
 420         {
 421                 floor_item_charges(0 - item);
 422         }
 423 }
 424
 425 /*!
 426 * @brief 杖を使うコマンドのメインルーチン /
 427 * @return なし
 428 */
 429 void do_cmd_use_staff(void)
 430 {
 431         OBJECT_IDX item;
 432         concptr q, s;
 433
 434         if (p_ptr->wild_mode)
 435         {
 436                 return;
 437         }
 438
 439         if (cmd_limit_arena(p_ptr)) return;
 440
 441         if (p_ptr->special_defense & (KATA_MUSOU | KATA_KOUKIJIN))
 442         {
 443                 set_action(ACTION_NONE);
 444         }
 445
 446         /* Restrict choices to wands */
 447         item_tester_tval = TV_STAFF;
 448
 449         q = _("どの杖を使いますか? ", "Use which staff? ");
 450         s = _("使える杖がない。", "You have no staff to use.");
 451
 452         if (!choose_object(&item, q, s, (USE_INVEN | USE_FLOOR))) return;
 453
 454         do_cmd_use_staff_aux(item);
 455 }