src/object-use/throw-execution.cpp

   1 /*!
   2  * @file throw-util.cpp
   3  * @brief 投擲処理関連クラス
   4  * @date 2021/08/20
   5  * @author Hourier
   6  */
   7
   8 #include "object-use/throw-execution.h"
   9 #include "action/weapon-shield.h"
  10 #include "artifact/fixed-art-types.h"
  11 #include "combat/attack-power-table.h"
  12 #include "combat/shoot.h"
  13 #include "combat/slaying.h"
  14 #include "core/stuff-handler.h"
  15 #include "core/window-redrawer.h"
  16 #include "effect/attribute-types.h"
  17 #include "effect/spells-effect-util.h"
  18 #include "flavor/flavor-describer.h"
  19 #include "flavor/object-flavor-types.h"
  20 #include "floor/cave.h"
  21 #include "floor/floor-object.h"
  22 #include "floor/geometry.h"
  23 #include "game-option/cheat-types.h"
  24 #include "grid/feature-flag-types.h"
  25 #include "grid/grid.h"
  26 #include "inventory/inventory-object.h"
  27 #include "inventory/inventory-slot-types.h"
  28 #include "io/cursor.h"
  29 #include "io/screen-util.h"
  30 #include "main/sound-definitions-table.h"
  31 #include "main/sound-of-music.h"
  32 #include "monster-floor/monster-death.h"
  33 #include "monster-floor/monster-summon.h"
  34 #include "monster-floor/place-monster-types.h"
  35 #include "monster/monster-damage.h"
  36 #include "monster/monster-describer.h"
  37 #include "monster/monster-info.h"
  38 #include "monster/monster-pain-describer.h"
  39 #include "monster/monster-status-setter.h"
  40 #include "monster/monster-status.h"
  41 #include "object-enchant/tr-types.h"
  42 #include "object-hook/hook-expendable.h"
  43 #include "object-hook/hook-weapon.h"
  44 #include "object/item-tester-hooker.h"
  45 #include "object/item-use-flags.h"
  46 #include "object/object-broken.h"
  47 #include "object/object-info.h"
  48 #include "object/object-stack.h"
  49 #include "player-base/player-class.h"
  50 #include "player-info/equipment-info.h"
  51 #include "player-status/player-energy.h"
  52 #include "player/player-status-table.h"
  53 #include "racial/racial-android.h"
  54 #include "specific-object/torch.h"
  55 #include "system/baseitem-info.h"
  56 #include "system/floor-type-definition.h"
  57 #include "system/grid-type-definition.h"
  58 #include "system/item-entity.h"
  59 #include "system/monster-entity.h"
  60 #include "system/player-type-definition.h"
  61 #include "system/redrawing-flags-updater.h"
  62 #include "target/target-checker.h"
  63 #include "target/target-getter.h"
  64 #include "term/screen-processor.h"
  65 #include "timed-effect/player-blindness.h"
  66 #include "timed-effect/player-hallucination.h"
  67 #include "timed-effect/timed-effects.h"
  68 #include "util/bit-flags-calculator.h"
  69 #include "util/string-processor.h"
  70 #include "view/display-messages.h"
  71 #include "view/object-describer.h"
  72 #include "wizard/wizard-messages.h"
  73
  74 ObjectThrowEntity::ObjectThrowEntity(PlayerType *player_ptr, ItemEntity *q_ptr, const int delay_factor_val, const int mult, const bool boomerang, const OBJECT_IDX shuriken)
  75     : q_ptr(q_ptr)
  76     , player_ptr(player_ptr)
  77     , shuriken(shuriken)
  78     , mult(mult)
  79     , msec(delay_factor_val)
  80     , boomerang(boomerang)
  81 {
  82 }
  83
  84 bool ObjectThrowEntity::check_can_throw()
  85 {
  86     if (!this->check_what_throw()) {
  87         return false;
  88     }
  89
  90     if (this->o_ptr->is_cursed() && (this->i_idx >= INVEN_MAIN_HAND)) {
  91         msg_print(_("ふーむ、どうやら呪われているようだ。", "Hmmm, it seems to be cursed."));
  92         return false;
  93     }
  94
  95     const auto is_spike = this->o_ptr->bi_key.tval() == ItemKindType::SPIKE;
  96     if (this->player_ptr->current_floor_ptr->inside_arena && !this->boomerang && !is_spike) {
  97         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!"));
  98         msg_print(nullptr);
  99         return false;
 100     }
 101
 102     return true;
 103 }
 104
 105 void ObjectThrowEntity::calc_throw_range()
 106 {
 107     this->q_ptr->copy_from(this->o_ptr);
 108     this->obj_flags = this->q_ptr->get_flags();
 109     torch_flags(this->q_ptr, this->obj_flags);
 110     distribute_charges(this->o_ptr, this->q_ptr, 1);
 111     this->q_ptr->number = 1;
 112     this->o_name = describe_flavor(this->player_ptr, this->q_ptr, OD_OMIT_PREFIX);
 113     if (this->player_ptr->mighty_throw) {
 114         this->mult += 3;
 115     }
 116
 117     auto mul = 10 + 2 * (this->mult - 1);
 118     auto div = ((this->q_ptr->weight > 10) ? this->q_ptr->weight : 10);
 119     if ((this->obj_flags.has(TR_THROW)) || this->boomerang) {
 120         div /= 2;
 121     }
 122
 123     this->tdis = (adj_str_blow[this->player_ptr->stat_index[A_STR]] + 20) * mul / div;
 124     if (this->tdis > mul) {
 125         this->tdis = mul;
 126     }
 127 }
 128
 129 bool ObjectThrowEntity::calc_throw_grid()
 130 {
 131     if (this->shuriken >= 0) {
 132         this->ty = randint0(101) - 50 + this->player_ptr->y;
 133         this->tx = randint0(101) - 50 + this->player_ptr->x;
 134         return true;
 135     }
 136
 137     project_length = this->tdis + 1;
 138     DIRECTION dir;
 139     if (!get_aim_dir(this->player_ptr, &dir)) {
 140         return false;
 141     }
 142
 143     this->tx = this->player_ptr->x + 99 * ddx[dir];
 144     this->ty = this->player_ptr->y + 99 * ddy[dir];
 145     if ((dir == 5) && target_okay(this->player_ptr)) {
 146         this->tx = target_col;
 147         this->ty = target_row;
 148     }
 149
 150     project_length = 0;
 151     return true;
 152 }
 153
 154 void ObjectThrowEntity::reflect_inventory_by_throw()
 155 {
 156     if (this->q_ptr->is_specific_artifact(FixedArtifactId::MJOLLNIR) || this->q_ptr->is_specific_artifact(FixedArtifactId::AEGISFANG) || this->boomerang) {
 157         this->return_when_thrown = true;
 158     }
 159
 160     if (this->i_idx < 0) {
 161         floor_item_increase(this->player_ptr, 0 - this->i_idx, -1);
 162         floor_item_optimize(this->player_ptr, 0 - this->i_idx);
 163         return;
 164     }
 165
 166     inven_item_increase(this->player_ptr, this->i_idx, -1);
 167     if (!this->return_when_thrown) {
 168         inven_item_describe(this->player_ptr, this->i_idx);
 169     }
 170
 171     inven_item_optimize(this->player_ptr, this->i_idx);
 172 }
 173
 174 void ObjectThrowEntity::set_class_specific_throw_params()
 175 {
 176     PlayerEnergy energy(this->player_ptr);
 177     energy.set_player_turn_energy(100);
 178     PlayerClass pc(this->player_ptr);
 179     if (pc.equals(PlayerClassType::ROGUE) || pc.equals(PlayerClassType::NINJA)) {
 180         energy.sub_player_turn_energy(this->player_ptr->lev);
 181     }
 182
 183     this->y = this->player_ptr->y;
 184     this->x = this->player_ptr->x;
 185     handle_stuff(this->player_ptr);
 186     const auto tval = this->q_ptr->bi_key.tval();
 187     const auto is_spike = tval == ItemKindType::SPIKE;
 188     const auto is_sword = tval == ItemKindType::SWORD;
 189     this->shuriken = pc.equals(PlayerClassType::NINJA) && (is_spike || ((this->obj_flags.has(TR_THROW)) && is_sword));
 190 }
 191
 192 void ObjectThrowEntity::set_racial_chance()
 193 {
 194     auto compensation = this->obj_flags.has(TR_THROW) ? this->q_ptr->to_h : 0;
 195     this->chance = this->player_ptr->skill_tht + (this->player_ptr->to_h_b + compensation) * BTH_PLUS_ADJ;
 196     if (this->shuriken != 0) {
 197         this->chance *= 2;
 198     }
 199 }
 200
 201 void ObjectThrowEntity::exe_throw()
 202 {
 203     this->cur_dis = 0;
 204     while (this->cur_dis <= this->tdis) {
 205         if ((this->y == this->ty) && (this->x == this->tx)) {
 206             break;
 207         }
 208
 209         if (this->check_racial_target_bold()) {
 210             break;
 211         }
 212
 213         this->check_racial_target_seen();
 214         if (this->check_racial_target_monster()) {
 215             continue;
 216         }
 217
 218         auto *floor_ptr = this->player_ptr->current_floor_ptr;
 219         this->g_ptr = &floor_ptr->grid_array[this->y][this->x];
 220         this->m_ptr = &floor_ptr->m_list[this->g_ptr->m_idx];
 221         this->m_name = monster_name(this->player_ptr, this->g_ptr->m_idx);
 222         this->visible = this->m_ptr->ml;
 223         this->hit_body = true;
 224         this->attack_racial_power();
 225         break;
 226     }
 227 }
 228
 229 void ObjectThrowEntity::display_figurine_throw()
 230 {
 231     if ((this->q_ptr->bi_key.tval() != ItemKindType::FIGURINE) || this->player_ptr->current_floor_ptr->inside_arena) {
 232         return;
 233     }
 234
 235     this->corruption_possibility = 100;
 236     auto figure_r_idx = i2enum<MonsterRaceId>(this->q_ptr->pval);
 237     if (!(summon_named_creature(this->player_ptr, 0, this->y, this->x, figure_r_idx, !(this->q_ptr->is_cursed()) ? PM_FORCE_PET : PM_NONE))) {
 238         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."));
 239         return;
 240     }
 241
 242     if (this->q_ptr->is_cursed()) {
 243         msg_print(_("これはあまり良くない気がする。", "You have a bad feeling about this."));
 244     }
 245 }
 246
 247 void ObjectThrowEntity::display_potion_throw()
 248 {
 249     if (!this->q_ptr->is_potion()) {
 250         return;
 251     }
 252
 253     if (!this->hit_body && !this->hit_wall && (randint1(100) >= this->corruption_possibility)) {
 254         this->corruption_possibility = 0;
 255         return;
 256     }
 257
 258     msg_format(_("%sは砕け散った！", "The %s shatters!"), this->o_name.data());
 259     if (!potion_smash_effect(this->player_ptr, 0, this->y, this->x, this->q_ptr->bi_id)) {
 260         this->do_drop = false;
 261         return;
 262     }
 263
 264     auto *floor_ptr = this->player_ptr->current_floor_ptr;
 265     auto *angry_m_ptr = &floor_ptr->m_list[floor_ptr->grid_array[this->y][this->x].m_idx];
 266     if (!floor_ptr->grid_array[this->y][this->x].has_monster() || !angry_m_ptr->is_friendly() || angry_m_ptr->is_invulnerable()) {
 267         this->do_drop = false;
 268         return;
 269     }
 270
 271     const auto angry_m_name = monster_desc(this->player_ptr, angry_m_ptr, 0);
 272     msg_format(_("%sは怒った！", "%s^ gets angry!"), angry_m_name.data());
 273     const auto &grid = floor_ptr->get_grid({ this->y, this->x });
 274     floor_ptr->m_list[grid.m_idx].set_hostile();
 275     this->do_drop = false;
 276 }
 277
 278 void ObjectThrowEntity::check_boomerang_throw()
 279 {
 280     if (!this->return_when_thrown) {
 281         return;
 282     }
 283
 284     this->back_chance = randint1(30) + 20 + ((int)(adj_dex_th[this->player_ptr->stat_index[A_DEX]]) - 128);
 285     this->super_boomerang = ((this->q_ptr->is_specific_artifact(FixedArtifactId::MJOLLNIR) || this->q_ptr->is_specific_artifact(FixedArtifactId::AEGISFANG)) && this->boomerang);
 286     this->corruption_possibility = -1;
 287     if (this->boomerang) {
 288         this->back_chance += 4 + randint1(5);
 289     }
 290
 291     if (this->super_boomerang) {
 292         this->back_chance += 100;
 293     }
 294
 295     this->o2_name = describe_flavor(this->player_ptr, this->q_ptr, OD_OMIT_PREFIX | OD_NAME_ONLY);
 296     this->process_boomerang_throw();
 297 }
 298
 299 void ObjectThrowEntity::process_boomerang_back()
 300 {
 301     if (this->come_back) {
 302         if ((this->i_idx != INVEN_MAIN_HAND) && (this->i_idx != INVEN_SUB_HAND)) {
 303             store_item_to_inventory(this->player_ptr, this->q_ptr);
 304             this->do_drop = false;
 305             return;
 306         }
 307
 308         this->o_ptr = &player_ptr->inventory_list[this->i_idx];
 309         this->o_ptr->copy_from(this->q_ptr);
 310         this->player_ptr->equip_cnt++;
 311         auto &rfu = RedrawingFlagsUpdater::get_instance();
 312         static constexpr auto flags = {
 313             StatusRecalculatingFlag::BONUS,
 314             StatusRecalculatingFlag::TORCH,
 315             StatusRecalculatingFlag::MP,
 316         };
 317         rfu.set_flags(flags);
 318         rfu.set_flag(SubWindowRedrawingFlag::EQUIPMENT);
 319         this->do_drop = false;
 320         return;
 321     }
 322
 323     if (this->equiped_item) {
 324         verify_equip_slot(this->player_ptr, this->i_idx);
 325         calc_android_exp(this->player_ptr);
 326     }
 327 }
 328
 329 void ObjectThrowEntity::drop_thrown_item()
 330 {
 331     if (!this->do_drop) {
 332         return;
 333     }
 334
 335     auto is_bold = cave_has_flag_bold(this->player_ptr->current_floor_ptr, this->y, this->x, TerrainCharacteristics::PROJECT);
 336     auto drop_y = is_bold ? this->y : this->prev_y;
 337     auto drop_x = is_bold ? this->x : this->prev_x;
 338     (void)drop_near(this->player_ptr, this->q_ptr, this->corruption_possibility, drop_y, drop_x);
 339 }
 340
 341 bool ObjectThrowEntity::check_what_throw()
 342 {
 343     if (this->shuriken >= 0) {
 344         this->i_idx = this->shuriken;
 345         this->o_ptr = &this->player_ptr->inventory_list[this->i_idx];
 346         return true;
 347     }
 348
 349     if (this->boomerang) {
 350         return this->check_throw_boomerang();
 351     }
 352
 353     constexpr auto q = _("どのアイテムを投げますか? ", "Throw which item? ");
 354     constexpr auto s = _("投げるアイテムがない。", "You have nothing to throw.");
 355     this->o_ptr = choose_object(this->player_ptr, &this->i_idx, q, s, USE_INVEN | USE_FLOOR | USE_EQUIP);
 356     if (!this->o_ptr) {
 357         flush();
 358         return false;
 359     }
 360
 361     return true;
 362 }
 363
 364 bool ObjectThrowEntity::check_throw_boomerang()
 365 {
 366     if (has_melee_weapon(this->player_ptr, INVEN_MAIN_HAND) && has_melee_weapon(this->player_ptr, INVEN_SUB_HAND)) {
 367         concptr q, s;
 368         q = _("どの武器を投げますか? ", "Throw which item? ");
 369         s = _("投げる武器がない。", "You have nothing to throw.");
 370         this->o_ptr = choose_object(this->player_ptr, &this->i_idx, q, s, USE_EQUIP, FuncItemTester(&ItemEntity::is_throwable));
 371         if (!this->o_ptr) {
 372             flush();
 373             return false;
 374         }
 375
 376         return true;
 377     }
 378
 379     if (has_melee_weapon(this->player_ptr, INVEN_SUB_HAND)) {
 380         this->i_idx = INVEN_SUB_HAND;
 381         this->o_ptr = &this->player_ptr->inventory_list[this->i_idx];
 382         return true;
 383     }
 384
 385     this->i_idx = INVEN_MAIN_HAND;
 386     this->o_ptr = &this->player_ptr->inventory_list[this->i_idx];
 387     return true;
 388 }
 389
 390 bool ObjectThrowEntity::check_racial_target_bold()
 391 {
 392     const auto pos = mmove2({ this->y, this->x }, this->player_ptr->get_position(), { this->ty, this->tx });
 393     this->ny[this->cur_dis] = pos.y;
 394     this->nx[this->cur_dis] = pos.x;
 395     auto *floor_ptr = this->player_ptr->current_floor_ptr;
 396     if (cave_has_flag_bold(floor_ptr, this->ny[this->cur_dis], this->nx[this->cur_dis], TerrainCharacteristics::PROJECT)) {
 397         return false;
 398     }
 399
 400     this->hit_wall = true;
 401     const auto is_figurine = this->q_ptr->bi_key.tval() == ItemKindType::FIGURINE;
 402     return is_figurine || this->q_ptr->is_potion() || (floor_ptr->grid_array[this->ny[this->cur_dis]][this->nx[this->cur_dis]].m_idx == 0);
 403 }
 404
 405 void ObjectThrowEntity::check_racial_target_seen()
 406 {
 407     if (!panel_contains(this->ny[this->cur_dis], this->nx[this->cur_dis]) || !player_can_see_bold(this->player_ptr, this->ny[this->cur_dis], this->nx[this->cur_dis])) {
 408         term_xtra(TERM_XTRA_DELAY, this->msec);
 409         return;
 410     }
 411
 412     if (this->msec <= 0) {
 413         return;
 414     }
 415
 416     const auto c = this->q_ptr->get_symbol();
 417     const auto a = this->q_ptr->get_color();
 418     print_rel(this->player_ptr, c, a, this->ny[this->cur_dis], this->nx[this->cur_dis]);
 419     move_cursor_relative(this->ny[this->cur_dis], this->nx[this->cur_dis]);
 420     term_fresh();
 421     term_xtra(TERM_XTRA_DELAY, this->msec);
 422     lite_spot(this->player_ptr, this->ny[this->cur_dis], this->nx[this->cur_dis]);
 423     term_fresh();
 424 }
 425
 426 bool ObjectThrowEntity::check_racial_target_monster()
 427 {
 428     this->prev_y = this->y;
 429     this->prev_x = this->x;
 430     this->x = this->nx[this->cur_dis];
 431     this->y = this->ny[this->cur_dis];
 432     this->cur_dis++;
 433     return this->player_ptr->current_floor_ptr->grid_array[this->y][this->x].m_idx == 0;
 434 }
 435
 436 void ObjectThrowEntity::attack_racial_power()
 437 {
 438     if (!test_hit_fire(this->player_ptr, this->chance - this->cur_dis, this->m_ptr, this->m_ptr->ml, this->o_name)) {
 439         return;
 440     }
 441
 442     this->display_attack_racial_power();
 443     this->calc_racial_power_damage();
 444     msg_format_wizard(this->player_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))"), this->tdam,
 445         this->m_ptr->hp - this->tdam, this->m_ptr->maxhp, this->m_ptr->max_maxhp);
 446
 447     auto fear = false;
 448     AttributeFlags attribute_flags{};
 449     attribute_flags.set(AttributeType::PLAYER_SHOOT);
 450     if (is_active_torch(this->o_ptr)) {
 451         attribute_flags.set(AttributeType::FIRE);
 452     }
 453
 454     MonsterDamageProcessor mdp(this->player_ptr, this->g_ptr->m_idx, this->tdam, &fear, attribute_flags);
 455     if (mdp.mon_take_hit(this->m_ptr->get_died_message())) {
 456         return;
 457     }
 458
 459     if (const auto pain_message = MonsterPainDescriber(player_ptr, this->g_ptr->m_idx).describe(this->tdam);
 460         !pain_message.empty()) {
 461         msg_print(pain_message);
 462     }
 463
 464     if ((this->tdam > 0) && !this->q_ptr->is_potion()) {
 465         anger_monster(this->player_ptr, this->m_ptr);
 466     }
 467
 468     if (fear && this->m_ptr->ml) {
 469         sound(SOUND_FLEE);
 470         msg_format(_("%s^は恐怖して逃げ出した！", "%s^ flees in terror!"), this->m_name.data());
 471     }
 472 }
 473
 474 void ObjectThrowEntity::display_attack_racial_power()
 475 {
 476     if (!this->visible) {
 477         msg_format(_("%sが敵を捕捉した。", "The %s finds a mark."), this->o_name.data());
 478         return;
 479     }
 480
 481     msg_format(_("%sが%sに命中した。", "The %s hits %s."), this->o_name.data(), this->m_name.data());
 482     if (!this->m_ptr->ml) {
 483         return;
 484     }
 485
 486     if (!this->player_ptr->effects()->hallucination()->is_hallucinated()) {
 487         monster_race_track(this->player_ptr, this->m_ptr->ap_r_idx);
 488     }
 489
 490     health_track(this->player_ptr, this->g_ptr->m_idx);
 491 }
 492
 493 void ObjectThrowEntity::calc_racial_power_damage()
 494 {
 495     auto dd = this->q_ptr->dd;
 496     auto ds = this->q_ptr->ds;
 497     torch_dice(this->q_ptr, &dd, &ds);
 498     this->tdam = damroll(dd, ds);
 499     this->tdam = calc_attack_damage_with_slay(this->player_ptr, this->q_ptr, this->tdam, this->m_ptr, HISSATSU_NONE, true);
 500     this->tdam = critical_shot(this->player_ptr, this->q_ptr->weight, this->q_ptr->to_h, 0, this->tdam);
 501     this->tdam += (this->q_ptr->to_d > 0 ? 1 : -1) * this->q_ptr->to_d;
 502     if (this->boomerang) {
 503         this->tdam *= (this->mult + this->player_ptr->num_blow[this->i_idx - INVEN_MAIN_HAND]);
 504         this->tdam += this->player_ptr->to_d_m;
 505     } else if (this->obj_flags.has(TR_THROW)) {
 506         this->tdam *= (3 + this->mult);
 507         this->tdam += this->player_ptr->to_d_m;
 508     } else {
 509         this->tdam *= this->mult;
 510     }
 511
 512     if (this->shuriken != 0) {
 513         this->tdam += ((this->player_ptr->lev + 30) * (this->player_ptr->lev + 30) - 900) / 55;
 514     }
 515
 516     if (this->tdam < 0) {
 517         this->tdam = 0;
 518     }
 519
 520     this->tdam = mon_damage_mod(this->player_ptr, this->m_ptr, this->tdam, false);
 521 }
 522
 523 void ObjectThrowEntity::process_boomerang_throw()
 524 {
 525     if ((this->back_chance <= 30) || (one_in_(100) && !this->super_boomerang)) {
 526         msg_format(_("%sが返ってこなかった！", "%s doesn't come back!"), this->o2_name.data());
 527         return;
 528     }
 529
 530     for (auto i = this->cur_dis - 1; i > 0; i--) {
 531         if (!panel_contains(this->ny[i], this->nx[i]) || !player_can_see_bold(this->player_ptr, this->ny[i], this->nx[i])) {
 532             term_xtra(TERM_XTRA_DELAY, this->msec);
 533             continue;
 534         }
 535
 536         const auto c = this->q_ptr->get_symbol();
 537         const auto a = this->q_ptr->get_color();
 538         if (this->msec <= 0) {
 539             continue;
 540         }
 541
 542         print_rel(this->player_ptr, c, a, this->ny[i], this->nx[i]);
 543         move_cursor_relative(this->ny[i], this->nx[i]);
 544         term_fresh();
 545         term_xtra(TERM_XTRA_DELAY, this->msec);
 546         lite_spot(this->player_ptr, this->ny[i], this->nx[i]);
 547         term_fresh();
 548     }
 549
 550     this->display_boomerang_throw();
 551 }
 552
 553 void ObjectThrowEntity::display_boomerang_throw()
 554 {
 555     const auto is_blind = this->player_ptr->effects()->blindness()->is_blind();
 556     if ((this->back_chance > 37) && !is_blind && (this->i_idx >= 0)) {
 557         msg_format(_("%sが手元に返ってきた。", "%s comes back to you."), this->o2_name.data());
 558         this->come_back = true;
 559         return;
 560     }
 561
 562     auto back_message = this->i_idx >= 0 ? _("%sを受け損ねた！", "%s comes back, but you can't catch!") : _("%sが返ってきた。", "%s comes back.");
 563     msg_format(back_message, this->o2_name.data());
 564     this->y = this->player_ptr->y;
 565     this->x = this->player_ptr->x;
 566 }