src/cmd-item/cmd-throw.c

   1 #include "cmd-item/cmd-throw.h"
   2 #include "action/throw-util.h"
   3 #include "action/weapon-shield.h"
   4 #include "art-definition/art-weapon-types.h"
   5 #include "combat/attack-power-table.h"
   6 #include "combat/shoot.h"
   7 #include "combat/slaying.h"
   8 #include "core/player-redraw-types.h"
   9 #include "core/player-update-types.h"
  10 #include "core/stuff-handler.h"
  11 #include "core/window-redrawer.h"
  12 #include "effect/spells-effect-util.h"
  13 #include "flavor/flavor-describer.h"
  14 #include "flavor/object-flavor-types.h"
  15 #include "floor/cave.h"
  16 #include "floor/floor-object.h"
  17 #include "floor/geometry.h"
  18 #include "game-option/cheat-types.h"
  19 #include "game-option/special-options.h"
  20 #include "grid/feature-flag-types.h"
  21 #include "grid/grid.h"
  22 #include "inventory/inventory-object.h"
  23 #include "inventory/inventory-slot-types.h"
  24 #include "io/cursor.h"
  25 #include "io/screen-util.h"
  26 #include "main/sound-definitions-table.h"
  27 #include "main/sound-of-music.h"
  28 #include "monster-floor/monster-death.h"
  29 #include "monster-floor/monster-summon.h"
  30 #include "monster-floor/place-monster-types.h"
  31 #include "monster/monster-describer.h"
  32 #include "monster/monster-info.h"
  33 #include "monster/monster-status.h"
  34 #include "object-enchant/tr-types.h"
  35 #include "object-hook/hook-checker.h"
  36 #include "object-hook/hook-expendable.h"
  37 #include "object-hook/hook-weapon.h"
  38 #include "object/item-tester-hooker.h"
  39 #include "object/item-use-flags.h"
  40 #include "object/object-broken.h"
  41 #include "object/object-flags.h"
  42 #include "object/object-generator.h"
  43 #include "object/object-info.h"
  44 #include "object/object-kind.h"
  45 #include "object/object-stack.h"
  46 #include "player/attack-defense-types.h"
  47 #include "player/special-defense-types.h"
  48 #include "racial/racial-android.h"
  49 #include "specific-object/torch.h"
  50 #include "status/action-setter.h"
  51 #include "system/floor-type-definition.h"
  52 #include "system/object-type-definition.h"
  53 #include "target/target-checker.h"
  54 #include "target/target-getter.h"
  55 #include "term/screen-processor.h"
  56 #include "util/bit-flags-calculator.h"
  57 #include "view/display-messages.h"
  58 #include "view/object-describer.h"
  59 #include "wizard/wizard-messages.h"
  60
  61 static bool check_throw_boomerang(player_type *creature_ptr, it_type *it_ptr, concptr *q, concptr *s)
  62 {
  63     if (!it_ptr->boomerang)
  64         return TRUE;
  65
  66     if (has_melee_weapon(creature_ptr, INVEN_RARM) && has_melee_weapon(creature_ptr, INVEN_LARM)) {
  67         item_tester_hook = item_tester_hook_boomerang;
  68         *q = _("どの武器を投げますか? ", "Throw which it_ptr->item? ");
  69         *s = _("投げる武器がない。", "You have nothing to throw.");
  70         it_ptr->o_ptr = choose_object(creature_ptr, &it_ptr->item, q, s, USE_EQUIP, 0);
  71         if (!it_ptr->o_ptr) {
  72             flush();
  73             return FALSE;
  74         }
  75
  76         return TRUE;
  77     }
  78
  79     if (has_melee_weapon(creature_ptr, INVEN_LARM)) {
  80         it_ptr->item = INVEN_LARM;
  81         it_ptr->o_ptr = &creature_ptr->inventory_list[it_ptr->item];
  82         return TRUE;
  83     }
  84
  85     it_ptr->item = INVEN_RARM;
  86     it_ptr->o_ptr = &creature_ptr->inventory_list[it_ptr->item];
  87     return TRUE;
  88 }
  89
  90 static bool check_what_throw(player_type *creature_ptr, it_type *it_ptr)
  91 {
  92     if (it_ptr->shuriken >= 0) {
  93         it_ptr->item = it_ptr->shuriken;
  94         it_ptr->o_ptr = &creature_ptr->inventory_list[it_ptr->item];
  95         return TRUE;
  96     }
  97
  98     concptr q, s;
  99     if (!check_throw_boomerang(creature_ptr, it_ptr, &q, &s))
 100         return FALSE;
 101
 102     q = _("どのアイテムを投げますか? ", "Throw which it_ptr->item? ");
 103     s = _("投げるアイテムがない。", "You have nothing to throw.");
 104     it_ptr->o_ptr = choose_object(creature_ptr, &it_ptr->item, q, s, USE_INVEN | USE_FLOOR | USE_EQUIP, 0);
 105     if (!it_ptr->o_ptr) {
 106         flush();
 107         return FALSE;
 108     }
 109
 110     return TRUE;
 111 }
 112
 113 static bool check_can_throw(player_type *creature_ptr, it_type *it_ptr)
 114 {
 115     if (!check_what_throw(creature_ptr, it_ptr))
 116         return FALSE;
 117
 118     if (object_is_cursed(it_ptr->o_ptr) && (it_ptr->item >= INVEN_RARM)) {
 119         msg_print(_("ふーむ、どうやら呪われているようだ。", "Hmmm, it seems to be cursed."));
 120         return FALSE;
 121     }
 122
 123     if (creature_ptr->current_floor_ptr->inside_arena && !it_ptr->boomerang && (it_ptr->o_ptr->tval != TV_SPIKE)) {
 124         msg_print(_("アリーナではアイテムを使えない！", "You're in the arena now. This is hand-to-hand!"));
 125         msg_print(NULL);
 126         return FALSE;
 127     }
 128
 129     return TRUE;
 130 }
 131
 132 static void calc_throw_range(player_type *creature_ptr, it_type *it_ptr)
 133 {
 134     object_copy(it_ptr->q_ptr, it_ptr->o_ptr);
 135     object_flags(creature_ptr, it_ptr->q_ptr, it_ptr->obj_flags);
 136     torch_flags(it_ptr->q_ptr, it_ptr->obj_flags);
 137     distribute_charges(it_ptr->o_ptr, it_ptr->q_ptr, 1);
 138     it_ptr->q_ptr->number = 1;
 139     describe_flavor(creature_ptr, it_ptr->o_name, it_ptr->q_ptr, OD_OMIT_PREFIX);
 140     if (creature_ptr->mighty_throw)
 141         it_ptr->mult += 3;
 142
 143     int mul = 10 + 2 * (it_ptr->mult - 1);
 144     int div = ((it_ptr->q_ptr->weight > 10) ? it_ptr->q_ptr->weight : 10);
 145     if ((have_flag(it_ptr->obj_flags, TR_THROW)) || it_ptr->boomerang)
 146         div /= 2;
 147
 148     it_ptr->tdis = (adj_str_blow[creature_ptr->stat_ind[A_STR]] + 20) * mul / div;
 149     if (it_ptr->tdis > mul)
 150         it_ptr->tdis = mul;
 151 }
 152
 153 /*!
 154  * @brief 投射処理メインルーチン /
 155  * Throw an object from the pack or floor.
 156  * @param mult 威力の倍率
 157  * @param creature_ptr プレーヤーへの参照ポインタ
 158  * @param boomerang ブーメラン処理ならばTRUE
 159  * @param shuriken 忍者の手裏剣処理ならばTRUE
 160  * @return ターンを消費した場合TRUEを返す
 161  * @details
 162  * <pre>
 163  * Note: "unseen" monsters are very hard to hit.
 164  *
 165  * Should throwing a weapon do full damage?  Should it allow the magic
 166  * to hit bonus of the weapon to have an effect?  Should it ever cause
 167  * the item to be destroyed?  Should it do any damage at all?
 168  * </pre>
 169  */
 170 bool do_cmd_throw(player_type *creature_ptr, int mult, bool boomerang, OBJECT_IDX shuriken)
 171 {
 172     if (creature_ptr->wild_mode)
 173         return FALSE;
 174
 175     if (creature_ptr->special_defense & KATA_MUSOU)
 176         set_action(creature_ptr, ACTION_NONE);
 177
 178     it_type tmp_it;
 179     object_type tmp_object;
 180     it_type *it_ptr = initialize_it_type(&tmp_it, &tmp_object, delay_factor, mult, boomerang, shuriken);
 181     if (!check_can_throw(creature_ptr, it_ptr))
 182         return FALSE;
 183
 184     calc_throw_range(creature_ptr, it_ptr);
 185     if (it_ptr->shuriken >= 0) {
 186         it_ptr->ty = randint0(101) - 50 + creature_ptr->y;
 187         it_ptr->tx = randint0(101) - 50 + creature_ptr->x;
 188     } else {
 189         project_length = it_ptr->tdis + 1;
 190         DIRECTION dir;
 191         if (!get_aim_dir(creature_ptr, &dir))
 192             return FALSE;
 193
 194         it_ptr->tx = creature_ptr->x + 99 * ddx[dir];
 195         it_ptr->ty = creature_ptr->y + 99 * ddy[dir];
 196         if ((dir == 5) && target_okay(creature_ptr)) {
 197             it_ptr->tx = target_col;
 198             it_ptr->ty = target_row;
 199         }
 200
 201         project_length = 0; /* reset to default */
 202     }
 203
 204     if ((it_ptr->q_ptr->name1 == ART_MJOLLNIR) || (it_ptr->q_ptr->name1 == ART_AEGISFANG) || it_ptr->boomerang)
 205         it_ptr->return_when_thrown = TRUE;
 206
 207     if (it_ptr->item >= 0) {
 208         inven_item_increase(creature_ptr, it_ptr->item, -1);
 209         if (!it_ptr->return_when_thrown)
 210             inven_item_describe(creature_ptr, it_ptr->item);
 211
 212         inven_item_optimize(creature_ptr, it_ptr->item);
 213     } else {
 214         floor_item_increase(creature_ptr->current_floor_ptr, 0 - it_ptr->item, -1);
 215         floor_item_optimize(creature_ptr, 0 - it_ptr->item);
 216     }
 217
 218     if (it_ptr->item >= INVEN_RARM) {
 219         it_ptr->equiped_item = TRUE;
 220         creature_ptr->redraw |= PR_EQUIPPY;
 221     }
 222
 223     take_turn(creature_ptr, 100);
 224     if ((creature_ptr->pclass == CLASS_ROGUE) || (creature_ptr->pclass == CLASS_NINJA))
 225         creature_ptr->energy_use -= creature_ptr->lev;
 226
 227     it_ptr->y = creature_ptr->y;
 228     it_ptr->x = creature_ptr->x;
 229     handle_stuff(creature_ptr);
 230     if ((creature_ptr->pclass == CLASS_NINJA)
 231         && ((it_ptr->q_ptr->tval == TV_SPIKE) || ((have_flag(it_ptr->obj_flags, TR_THROW)) && (it_ptr->q_ptr->tval == TV_SWORD))))
 232         it_ptr->shuriken = TRUE;
 233     else
 234         it_ptr->shuriken = FALSE;
 235
 236     if (have_flag(it_ptr->obj_flags, TR_THROW))
 237         it_ptr->chance = ((creature_ptr->skill_tht) + ((creature_ptr->to_h_b + it_ptr->q_ptr->to_h) * BTH_PLUS_ADJ));
 238     else
 239         it_ptr->chance = (creature_ptr->skill_tht + (creature_ptr->to_h_b * BTH_PLUS_ADJ));
 240
 241     if (it_ptr->shuriken != 0)
 242         it_ptr->chance *= 2;
 243
 244     it_ptr->prev_y = it_ptr->y;
 245     it_ptr->prev_x = it_ptr->x;
 246     for (it_ptr->cur_dis = 0; it_ptr->cur_dis <= it_ptr->tdis;) {
 247         if ((it_ptr->y == it_ptr->ty) && (it_ptr->x == it_ptr->tx))
 248             break;
 249
 250         it_ptr->ny[it_ptr->cur_dis] = it_ptr->y;
 251         it_ptr->nx[it_ptr->cur_dis] = it_ptr->x;
 252         mmove2(&it_ptr->ny[it_ptr->cur_dis], &it_ptr->nx[it_ptr->cur_dis], creature_ptr->y, creature_ptr->x, it_ptr->ty, it_ptr->tx);
 253         if (!cave_have_flag_bold(creature_ptr->current_floor_ptr, it_ptr->ny[it_ptr->cur_dis], it_ptr->nx[it_ptr->cur_dis], FF_PROJECT)) {
 254             it_ptr->hit_wall = TRUE;
 255             if ((it_ptr->q_ptr->tval == TV_FIGURINE) || object_is_potion(it_ptr->q_ptr)
 256                 || !creature_ptr->current_floor_ptr->grid_array[it_ptr->ny[it_ptr->cur_dis]][it_ptr->nx[it_ptr->cur_dis]].m_idx)
 257                 break;
 258         }
 259
 260         if (panel_contains(it_ptr->ny[it_ptr->cur_dis], it_ptr->nx[it_ptr->cur_dis])
 261             && player_can_see_bold(creature_ptr, it_ptr->ny[it_ptr->cur_dis], it_ptr->nx[it_ptr->cur_dis])) {
 262             SYMBOL_CODE c = object_char(it_ptr->q_ptr);
 263             TERM_COLOR a = object_attr(it_ptr->q_ptr);
 264             print_rel(creature_ptr, c, a, it_ptr->ny[it_ptr->cur_dis], it_ptr->nx[it_ptr->cur_dis]);
 265             move_cursor_relative(it_ptr->ny[it_ptr->cur_dis], it_ptr->nx[it_ptr->cur_dis]);
 266             term_fresh();
 267             term_xtra(TERM_XTRA_DELAY, it_ptr->msec);
 268             lite_spot(creature_ptr, it_ptr->ny[it_ptr->cur_dis], it_ptr->nx[it_ptr->cur_dis]);
 269             term_fresh();
 270         } else {
 271             term_xtra(TERM_XTRA_DELAY, it_ptr->msec);
 272         }
 273
 274         it_ptr->prev_y = it_ptr->y;
 275         it_ptr->prev_x = it_ptr->x;
 276         it_ptr->x = it_ptr->nx[it_ptr->cur_dis];
 277         it_ptr->y = it_ptr->ny[it_ptr->cur_dis];
 278         it_ptr->cur_dis++;
 279         if (creature_ptr->current_floor_ptr->grid_array[it_ptr->y][it_ptr->x].m_idx) {
 280             grid_type *g_ptr = &creature_ptr->current_floor_ptr->grid_array[it_ptr->y][it_ptr->x];
 281             monster_type *m_ptr = &creature_ptr->current_floor_ptr->m_list[g_ptr->m_idx];
 282             GAME_TEXT m_name[MAX_NLEN];
 283             monster_name(creature_ptr, g_ptr->m_idx, m_name);
 284             it_ptr->visible = m_ptr->ml;
 285             it_ptr->hit_body = TRUE;
 286             if (test_hit_fire(creature_ptr, it_ptr->chance - it_ptr->cur_dis, m_ptr, m_ptr->ml, it_ptr->o_name)) {
 287                 bool fear = FALSE;
 288                 if (!it_ptr->visible) {
 289                     msg_format(_("%sが敵を捕捉した。", "The %s finds a mark."), it_ptr->o_name);
 290                 } else {
 291                     msg_format(_("%sが%sに命中した。", "The %s hits %s."), it_ptr->o_name, m_name);
 292                     if (m_ptr->ml) {
 293                         if (!creature_ptr->image)
 294                             monster_race_track(creature_ptr, m_ptr->ap_r_idx);
 295                         health_track(creature_ptr, g_ptr->m_idx);
 296                     }
 297                 }
 298
 299                 int dd = it_ptr->q_ptr->dd;
 300                 int ds = it_ptr->q_ptr->ds;
 301                 torch_dice(it_ptr->q_ptr, &dd, &ds);
 302                 it_ptr->tdam = damroll(dd, ds);
 303                 it_ptr->tdam = calc_attack_damage_with_slay(creature_ptr, it_ptr->q_ptr, it_ptr->tdam, m_ptr, 0, TRUE);
 304                 it_ptr->tdam = critical_shot(creature_ptr, it_ptr->q_ptr->weight, it_ptr->q_ptr->to_h, 0, it_ptr->tdam);
 305                 if (it_ptr->q_ptr->to_d > 0)
 306                     it_ptr->tdam += it_ptr->q_ptr->to_d;
 307                 else
 308                     it_ptr->tdam += -it_ptr->q_ptr->to_d;
 309
 310                 if (it_ptr->boomerang) {
 311                     it_ptr->tdam *= (it_ptr->mult + creature_ptr->num_blow[it_ptr->item - INVEN_RARM]);
 312                     it_ptr->tdam += creature_ptr->to_d_m;
 313                 } else if (have_flag(it_ptr->obj_flags, TR_THROW)) {
 314                     it_ptr->tdam *= (3 + it_ptr->mult);
 315                     it_ptr->tdam += creature_ptr->to_d_m;
 316                 } else {
 317                     it_ptr->tdam *= it_ptr->mult;
 318                 }
 319
 320                 if (it_ptr->shuriken != 0)
 321                     it_ptr->tdam += ((creature_ptr->lev + 30) * (creature_ptr->lev + 30) - 900) / 55;
 322
 323                 if (it_ptr->tdam < 0)
 324                     it_ptr->tdam = 0;
 325
 326                 it_ptr->tdam = mon_damage_mod(creature_ptr, m_ptr, it_ptr->tdam, FALSE);
 327                 msg_format_wizard(creature_ptr, CHEAT_MONSTER, _("%dのダメージを与えた。(残りHP %d/%d(%d))", "You do %d damage. (left HP %d/%d(%d))"),
 328                     it_ptr->tdam, m_ptr->hp - it_ptr->tdam, m_ptr->maxhp, m_ptr->max_maxhp);
 329
 330                 if (mon_take_hit(creature_ptr, g_ptr->m_idx, it_ptr->tdam, &fear, extract_note_dies(real_r_idx(m_ptr)))) {
 331                     /* Dead monster */
 332                 } else {
 333                     message_pain(creature_ptr, g_ptr->m_idx, it_ptr->tdam);
 334                     if ((it_ptr->tdam > 0) && !object_is_potion(it_ptr->q_ptr))
 335                         anger_monster(creature_ptr, m_ptr);
 336
 337                     if (fear && m_ptr->ml) {
 338                         sound(SOUND_FLEE);
 339                         msg_format(_("%^sは恐怖して逃げ出した！", "%^s flees in terror!"), m_name);
 340                     }
 341                 }
 342             }
 343
 344             break;
 345         }
 346     }
 347
 348     if (it_ptr->hit_body)
 349         torch_lost_fuel(it_ptr->q_ptr);
 350
 351     it_ptr->corruption_possibility = (it_ptr->hit_body ? breakage_chance(creature_ptr, it_ptr->q_ptr, creature_ptr->pclass == CLASS_ARCHER, 0) : 0);
 352
 353     if ((it_ptr->q_ptr->tval == TV_FIGURINE) && !(creature_ptr->current_floor_ptr->inside_arena)) {
 354         it_ptr->corruption_possibility = 100;
 355         if (!(summon_named_creature(creature_ptr, 0, it_ptr->y, it_ptr->x, it_ptr->q_ptr->pval, !(object_is_cursed(it_ptr->q_ptr)) ? PM_FORCE_PET : 0L)))
 356             msg_print(_("人形は捻じ曲がり砕け散ってしまった！", "The Figurine writhes and then shatters."));
 357         else if (object_is_cursed(it_ptr->q_ptr))
 358             msg_print(_("これはあまり良くない気がする。", "You have a bad feeling about this."));
 359     }
 360
 361     if (object_is_potion(it_ptr->q_ptr)) {
 362         if (it_ptr->hit_body || it_ptr->hit_wall || (randint1(100) < it_ptr->corruption_possibility)) {
 363             msg_format(_("%sは砕け散った！", "The %s shatters!"), it_ptr->o_name);
 364             if (potion_smash_effect(creature_ptr, 0, it_ptr->y, it_ptr->x, it_ptr->q_ptr->k_idx)) {
 365                 monster_type *m_ptr = &creature_ptr->current_floor_ptr->m_list[creature_ptr->current_floor_ptr->grid_array[it_ptr->y][it_ptr->x].m_idx];
 366                 if (creature_ptr->current_floor_ptr->grid_array[it_ptr->y][it_ptr->x].m_idx && is_friendly(m_ptr) && !monster_invulner_remaining(m_ptr)) {
 367                     GAME_TEXT m_name[MAX_NLEN];
 368                     monster_desc(creature_ptr, m_name, m_ptr, 0);
 369                     msg_format(_("%sは怒った！", "%^s gets angry!"), m_name);
 370                     set_hostile(
 371                         creature_ptr, &creature_ptr->current_floor_ptr->m_list[creature_ptr->current_floor_ptr->grid_array[it_ptr->y][it_ptr->x].m_idx]);
 372                 }
 373             }
 374
 375             it_ptr->do_drop = FALSE;
 376         } else {
 377             it_ptr->corruption_possibility = 0;
 378         }
 379     }
 380
 381     if (it_ptr->return_when_thrown) {
 382         int back_chance = randint1(30) + 20 + ((int)(adj_dex_th[creature_ptr->stat_ind[A_DEX]]) - 128);
 383         char o2_name[MAX_NLEN];
 384         bool super_boomerang = (((it_ptr->q_ptr->name1 == ART_MJOLLNIR) || (it_ptr->q_ptr->name1 == ART_AEGISFANG)) && boomerang);
 385         it_ptr->corruption_possibility = -1;
 386         if (boomerang)
 387             back_chance += 4 + randint1(5);
 388         if (super_boomerang)
 389             back_chance += 100;
 390         describe_flavor(creature_ptr, o2_name, it_ptr->q_ptr, OD_OMIT_PREFIX | OD_NAME_ONLY);
 391         if ((back_chance > 30) && (!one_in_(100) || super_boomerang)) {
 392             for (int i = it_ptr->cur_dis - 1; i > 0; i--) {
 393                 if (panel_contains(it_ptr->ny[i], it_ptr->nx[i]) && player_can_see_bold(creature_ptr, it_ptr->ny[i], it_ptr->nx[i])) {
 394                     SYMBOL_CODE c = object_char(it_ptr->q_ptr);
 395                     byte a = object_attr(it_ptr->q_ptr);
 396                     print_rel(creature_ptr, c, a, it_ptr->ny[i], it_ptr->nx[i]);
 397                     move_cursor_relative(it_ptr->ny[i], it_ptr->nx[i]);
 398                     term_fresh();
 399                     term_xtra(TERM_XTRA_DELAY, it_ptr->msec);
 400                     lite_spot(creature_ptr, it_ptr->ny[i], it_ptr->nx[i]);
 401                     term_fresh();
 402                 } else {
 403                     term_xtra(TERM_XTRA_DELAY, it_ptr->msec);
 404                 }
 405             }
 406
 407             if ((back_chance > 37) && !creature_ptr->blind && (it_ptr->item >= 0)) {
 408                 msg_format(_("%sが手元に返ってきた。", "%s comes back to you."), o2_name);
 409                 it_ptr->come_back = TRUE;
 410             } else {
 411                 if (it_ptr->item >= 0)
 412                     msg_format(_("%sを受け損ねた！", "%s comes back, but you can't catch!"), o2_name);
 413                 else
 414                     msg_format(_("%sが返ってきた。", "%s comes back."), o2_name);
 415
 416                 it_ptr->y = creature_ptr->y;
 417                 it_ptr->x = creature_ptr->x;
 418             }
 419         } else {
 420             msg_format(_("%sが返ってこなかった！", "%s doesn't come back!"), o2_name);
 421         }
 422     }
 423
 424     if (it_ptr->come_back) {
 425         if (it_ptr->item == INVEN_RARM || it_ptr->item == INVEN_LARM) {
 426             it_ptr->o_ptr = &creature_ptr->inventory_list[it_ptr->item];
 427             object_copy(it_ptr->o_ptr, it_ptr->q_ptr);
 428             creature_ptr->total_weight += it_ptr->q_ptr->weight;
 429             creature_ptr->equip_cnt++;
 430             creature_ptr->update |= PU_BONUS | PU_TORCH | PU_MANA;
 431             creature_ptr->window |= PW_EQUIP;
 432         } else {
 433             store_item_to_inventory(creature_ptr, it_ptr->q_ptr);
 434         }
 435
 436         it_ptr->do_drop = FALSE;
 437     } else if (it_ptr->equiped_item) {
 438         verify_equip_slot(creature_ptr, it_ptr->item);
 439         calc_android_exp(creature_ptr);
 440     }
 441
 442     if (it_ptr->do_drop) {
 443         if (cave_have_flag_bold(creature_ptr->current_floor_ptr, it_ptr->y, it_ptr->x, FF_PROJECT)) {
 444             (void)drop_near(creature_ptr, it_ptr->q_ptr, it_ptr->corruption_possibility, it_ptr->y, it_ptr->x);
 445         } else {
 446             (void)drop_near(creature_ptr, it_ptr->q_ptr, it_ptr->corruption_possibility, it_ptr->prev_y, it_ptr->prev_x);
 447         }
 448     }
 449
 450     return TRUE;
 451 }