src/spells-floor.c

   1 #include "angband.h"
   2 #include "util.h"
   3
   4 #include "dungeon.h"
   5 #include "floor.h"
   6 #include "grid.h"
   7 #include "quest.h"
   8 #include "artifact.h"
   9 #include "objectkind.h"
  10 #include "object-flavor.h"
  11 #include "object-hook.h"
  12
  13 #include "cmd-basic.h"
  14 #include "cmd-dump.h"
  15
  16 #include "floor-events.h"
  17 #include "floor-save.h"
  18 #include "player-damage.h"
  19 #include "player-effects.h"
  20 #include "player-move.h"
  21 #include "feature.h"
  22 #include "view-mainwindow.h"
  23
  24 #include "monster-status.h"
  25
  26 #include "spells.h"
  27 #include "spells-floor.h"
  28
  29 /*
  30  * Light up the dungeon using "clairvoyance"
  31  *
  32  * This function "illuminates" every grid in the dungeon, memorizes all
  33  * "objects", memorizes all grids as with magic mapping, and, under the
  34  * standard option settings (view_perma_grids but not view_torch_grids)
  35  * memorizes all floor grids too.
  36  *
  37  * Note that if "view_perma_grids" is not set, we do not memorize floor
  38  * grids, since this would defeat the purpose of "view_perma_grids", not
  39  * that anyone seems to play without this option.
  40  *
  41  * Note that if "view_torch_grids" is set, we do not memorize floor grids,
  42  * since this would prevent the use of "view_torch_grids" as a method to
  43  * keep track of what grids have been observed directly.
  44  */
  45 void wiz_lite(player_type *caster_ptr, bool ninja)
  46 {
  47         /* Memorize objects */
  48         for (OBJECT_IDX i = 1; i < caster_ptr->current_floor_ptr->o_max; i++)
  49         {
  50                 object_type *o_ptr = &caster_ptr->current_floor_ptr->o_list[i];
  51                 if (!OBJECT_IS_VALID(o_ptr)) continue;
  52                 if (OBJECT_IS_HELD_MONSTER(o_ptr)) continue;
  53                 o_ptr->marked |= OM_FOUND;
  54         }
  55
  56         /* Scan all normal grids */
  57         for (POSITION y = 1; y < caster_ptr->current_floor_ptr->height - 1; y++)
  58         {
  59                 /* Scan all normal grids */
  60                 for (POSITION x = 1; x < caster_ptr->current_floor_ptr->width - 1; x++)
  61                 {
  62                         grid_type *g_ptr = &caster_ptr->current_floor_ptr->grid_array[y][x];
  63
  64                         /* Memorize terrain of the grid */
  65                         g_ptr->info |= (CAVE_KNOWN);
  66
  67                         /* Feature code (applying "mimic" field) */
  68                         FEAT_IDX feat = get_feat_mimic(g_ptr);
  69                         feature_type *f_ptr;
  70                         f_ptr = &f_info[feat];
  71
  72                         /* Process all non-walls */
  73                         if (have_flag(f_ptr->flags, FF_WALL)) continue;
  74
  75                         /* Scan all neighbors */
  76                         for (OBJECT_IDX i = 0; i < 9; i++)
  77                         {
  78                                 POSITION yy = y + ddy_ddd[i];
  79                                 POSITION xx = x + ddx_ddd[i];
  80                                 g_ptr = &caster_ptr->current_floor_ptr->grid_array[yy][xx];
  81
  82                                 /* Feature code (applying "mimic" field) */
  83                                 f_ptr = &f_info[get_feat_mimic(g_ptr)];
  84
  85                                 /* Perma-lite the grid */
  86                                 if (!(d_info[caster_ptr->dungeon_idx].flags1 & DF1_DARKNESS) && !ninja)
  87                                 {
  88                                         g_ptr->info |= (CAVE_GLOW);
  89                                 }
  90
  91                                 /* Memorize normal features */
  92                                 if (have_flag(f_ptr->flags, FF_REMEMBER))
  93                                 {
  94                                         /* Memorize the grid */
  95                                         g_ptr->info |= (CAVE_MARK);
  96                                 }
  97
  98                                 /* Perma-lit grids (newly and previously) */
  99                                 else if (g_ptr->info & CAVE_GLOW)
 100                                 {
 101                                         /* Normally, memorize floors (see above) */
 102                                         if (view_perma_grids && !view_torch_grids)
 103                                         {
 104                                                 /* Memorize the grid */
 105                                                 g_ptr->info |= (CAVE_MARK);
 106                                         }
 107                                 }
 108                         }
 109                 }
 110         }
 111
 112         caster_ptr->update |= (PU_MONSTERS);
 113         caster_ptr->redraw |= (PR_MAP);
 114         caster_ptr->window |= (PW_OVERHEAD | PW_DUNGEON);
 115
 116         if (caster_ptr->special_defense & NINJA_S_STEALTH)
 117         {
 118                 if (caster_ptr->current_floor_ptr->grid_array[caster_ptr->y][caster_ptr->x].info & CAVE_GLOW) set_superstealth(caster_ptr, FALSE);
 119         }
 120 }
 121
 122
 123 /*
 124  * Forget the dungeon map (ala "Thinking of Maud...").
 125  */
 126 void wiz_dark(player_type *caster_ptr)
 127 {
 128         /* Forget every grid */
 129         for (POSITION y = 1; y < caster_ptr->current_floor_ptr->height - 1; y++)
 130         {
 131                 for (POSITION x = 1; x < caster_ptr->current_floor_ptr->width - 1; x++)
 132                 {
 133                         grid_type *g_ptr = &caster_ptr->current_floor_ptr->grid_array[y][x];
 134
 135                         /* Process the grid */
 136                         g_ptr->info &= ~(CAVE_MARK | CAVE_IN_DETECT | CAVE_KNOWN);
 137                         g_ptr->info |= (CAVE_UNSAFE);
 138                 }
 139         }
 140
 141         /* Forget every grid on horizontal edge */
 142         for (POSITION x = 0; x < caster_ptr->current_floor_ptr->width; x++)
 143         {
 144                 caster_ptr->current_floor_ptr->grid_array[0][x].info &= ~(CAVE_MARK);
 145                 caster_ptr->current_floor_ptr->grid_array[caster_ptr->current_floor_ptr->height - 1][x].info &= ~(CAVE_MARK);
 146         }
 147
 148         /* Forget every grid on vertical edge */
 149         for (POSITION y = 1; y < (caster_ptr->current_floor_ptr->height - 1); y++)
 150         {
 151                 caster_ptr->current_floor_ptr->grid_array[y][0].info &= ~(CAVE_MARK);
 152                 caster_ptr->current_floor_ptr->grid_array[y][caster_ptr->current_floor_ptr->width - 1].info &= ~(CAVE_MARK);
 153         }
 154
 155         /* Forget all objects */
 156         for (OBJECT_IDX i = 1; i < caster_ptr->current_floor_ptr->o_max; i++)
 157         {
 158                 object_type *o_ptr = &caster_ptr->current_floor_ptr->o_list[i];
 159
 160                 if (!OBJECT_IS_VALID(o_ptr)) continue;
 161                 if (OBJECT_IS_HELD_MONSTER(o_ptr)) continue;
 162
 163                 /* Forget the object */
 164                 o_ptr->marked &= OM_TOUCHED;
 165         }
 166
 167         /* Forget travel route when we have forgotten map */
 168         forget_travel_flow(caster_ptr->current_floor_ptr);
 169
 170         caster_ptr->update |= (PU_UN_VIEW | PU_UN_LITE);
 171         caster_ptr->update |= (PU_VIEW | PU_LITE | PU_MON_LITE);
 172         caster_ptr->update |= (PU_MONSTERS);
 173         caster_ptr->redraw |= (PR_MAP);
 174         caster_ptr->window |= (PW_OVERHEAD | PW_DUNGEON);
 175 }
 176
 177
 178 /*!
 179  * @brief 守りのルーン設置処理 /
 180  * Leave a "glyph of warding" which prevents monster movement
 181  * @return 実際に設置が行われた場合TRUEを返す
 182  */
 183 bool warding_glyph(player_type *caster_ptr)
 184 {
 185         if (!cave_clean_bold(caster_ptr->current_floor_ptr, caster_ptr->y, caster_ptr->x))
 186         {
 187                 msg_print(_("床上のアイテムが呪文を跳ね返した。", "The object resists the spell."));
 188                 return FALSE;
 189         }
 190
 191         /* Create a glyph */
 192         caster_ptr->current_floor_ptr->grid_array[caster_ptr->y][caster_ptr->x].info |= CAVE_OBJECT;
 193         caster_ptr->current_floor_ptr->grid_array[caster_ptr->y][caster_ptr->x].mimic = feat_glyph;
 194
 195         note_spot(caster_ptr->y, caster_ptr->x);
 196         lite_spot(caster_ptr->y, caster_ptr->x);
 197
 198         return TRUE;
 199 }
 200
 201
 202 /*!
 203  * @brief 爆発のルーン設置処理 /
 204  * Leave an "explosive rune" which prevents monster movement
 205  * @return 実際に設置が行われた場合TRUEを返す
 206  */
 207 bool explosive_rune(floor_type *floor_ptr, POSITION y, POSITION x)
 208 {
 209         if (!cave_clean_bold(floor_ptr, y, x))
 210         {
 211                 msg_print(_("床上のアイテムが呪文を跳ね返した。", "The object resists the spell."));
 212                 return FALSE;
 213         }
 214
 215         /* Create a glyph */
 216         floor_ptr->grid_array[y][x].info |= CAVE_OBJECT;
 217         floor_ptr->grid_array[y][x].mimic = feat_explosive_rune;
 218
 219         note_spot(y, x);
 220         lite_spot(y, x);
 221
 222         return TRUE;
 223 }
 224
 225
 226 /*!
 227  * @brief 鏡設置処理
 228  * @return 実際に設置が行われた場合TRUEを返す
 229  */
 230 bool place_mirror(player_type *caster_ptr)
 231 {
 232         if (!cave_clean_bold(caster_ptr->current_floor_ptr, caster_ptr->y, caster_ptr->x))
 233         {
 234                 msg_print(_("床上のアイテムが呪文を跳ね返した。", "The object resists the spell."));
 235                 return FALSE;
 236         }
 237
 238         /* Create a mirror */
 239         caster_ptr->current_floor_ptr->grid_array[caster_ptr->y][caster_ptr->x].info |= CAVE_OBJECT;
 240         caster_ptr->current_floor_ptr->grid_array[caster_ptr->y][caster_ptr->x].mimic = feat_mirror;
 241
 242         /* Turn on the light */
 243         caster_ptr->current_floor_ptr->grid_array[caster_ptr->y][caster_ptr->x].info |= CAVE_GLOW;
 244
 245         note_spot(caster_ptr->y, caster_ptr->x);
 246         lite_spot(caster_ptr->y, caster_ptr->x);
 247         update_local_illumination(caster_ptr, caster_ptr->y, caster_ptr->x);
 248
 249         return TRUE;
 250 }
 251
 252
 253 /*!
 254  * @brief プレイヤーの手による能動的な階段生成処理 /
 255  * Create stairs at or move previously created stairs into the player location.
 256  * @return なし
 257  */
 258 void stair_creation(player_type *caster_ptr)
 259 {
 260         /* Forbid up staircases on Ironman mode */
 261         bool up = TRUE;
 262         if (ironman_downward) up = FALSE;
 263
 264         /* Forbid down staircases on quest level */
 265         bool down = TRUE;
 266         floor_type *floor_ptr = caster_ptr->current_floor_ptr;
 267         if (quest_number(caster_ptr, floor_ptr->dun_level) || (floor_ptr->dun_level >= d_info[caster_ptr->dungeon_idx].maxdepth)) down = FALSE;
 268
 269         /* No effect out of standard dungeon floor */
 270         if (!floor_ptr->dun_level || (!up && !down) ||
 271                 (floor_ptr->inside_quest && is_fixed_quest_idx(floor_ptr->inside_quest)) ||
 272                 floor_ptr->inside_arena || caster_ptr->phase_out)
 273         {
 274                 /* arena or quest */
 275                 msg_print(_("効果がありません！", "There is no effect!"));
 276                 return;
 277         }
 278
 279         /* Artifacts resists */
 280         if (!cave_valid_bold(floor_ptr, caster_ptr->y, caster_ptr->x))
 281         {
 282                 msg_print(_("床上のアイテムが呪文を跳ね返した。", "The object resists the spell."));
 283                 return;
 284         }
 285
 286         /* Destroy all objects in the grid */
 287         delete_object(floor_ptr, caster_ptr->y, caster_ptr->x);
 288
 289         /* Extract current floor data */
 290         saved_floor_type *sf_ptr;
 291         sf_ptr = get_sf_ptr(caster_ptr->floor_id);
 292         if (!sf_ptr)
 293         {
 294                 /* No floor id? -- Create now! */
 295                 caster_ptr->floor_id = get_new_floor_id(caster_ptr);
 296                 sf_ptr = get_sf_ptr(caster_ptr->floor_id);
 297         }
 298
 299         /* Choose randomly */
 300         if (up && down)
 301         {
 302                 if (randint0(100) < 50) up = FALSE;
 303                 else down = FALSE;
 304         }
 305
 306         /* Destination is already fixed */
 307         FLOOR_IDX dest_floor_id = 0;
 308         if (up)
 309         {
 310                 if (sf_ptr->upper_floor_id) dest_floor_id = sf_ptr->upper_floor_id;
 311         }
 312         else
 313         {
 314                 if (sf_ptr->lower_floor_id) dest_floor_id = sf_ptr->lower_floor_id;
 315         }
 316
 317         /* Search old stairs leading to the destination */
 318         if (dest_floor_id)
 319         {
 320                 POSITION x, y;
 321
 322                 for (y = 0; y < floor_ptr->height; y++)
 323                 {
 324                         for (x = 0; x < floor_ptr->width; x++)
 325                         {
 326                                 grid_type *g_ptr = &floor_ptr->grid_array[y][x];
 327
 328                                 if (!g_ptr->special) continue;
 329                                 if (feat_uses_special(g_ptr->feat)) continue;
 330                                 if (g_ptr->special != dest_floor_id) continue;
 331
 332                                 /* Remove old stairs */
 333                                 g_ptr->special = 0;
 334                                 cave_set_feat(caster_ptr, y, x, feat_ground_type[randint0(100)]);
 335                         }
 336                 }
 337         }
 338
 339         /* No old destination -- Get new one now */
 340         else
 341         {
 342                 dest_floor_id = get_new_floor_id(caster_ptr);
 343
 344                 /* Fix it */
 345                 if (up)
 346                         sf_ptr->upper_floor_id = dest_floor_id;
 347                 else
 348                         sf_ptr->lower_floor_id = dest_floor_id;
 349         }
 350
 351         /* Extract destination floor data */
 352         saved_floor_type *dest_sf_ptr;
 353         dest_sf_ptr = get_sf_ptr(dest_floor_id);
 354
 355         /* Create a staircase */
 356         if (up)
 357         {
 358                 cave_set_feat(caster_ptr, caster_ptr->y, caster_ptr->x,
 359                         (dest_sf_ptr->last_visit && (dest_sf_ptr->dun_level <= floor_ptr->dun_level - 2)) ?
 360                         feat_state(feat_up_stair, FF_SHAFT) : feat_up_stair);
 361         }
 362         else
 363         {
 364                 cave_set_feat(caster_ptr, caster_ptr->y, caster_ptr->x,
 365                         (dest_sf_ptr->last_visit && (dest_sf_ptr->dun_level >= floor_ptr->dun_level + 2)) ?
 366                         feat_state(feat_down_stair, FF_SHAFT) : feat_down_stair);
 367         }
 368
 369         /* Connect this stairs to the destination */
 370         floor_ptr->grid_array[caster_ptr->y][caster_ptr->x].special = dest_floor_id;
 371 }
 372
 373 /*
 374  * Hack -- map the current panel (plus some) ala "magic mapping"
 375  */
 376 void map_area(player_type *caster_ptr, POSITION range)
 377 {
 378         if (d_info[caster_ptr->dungeon_idx].flags1 & DF1_DARKNESS) range /= 3;
 379
 380         /* Scan that area */
 381         for (POSITION y = 1; y < caster_ptr->current_floor_ptr->height - 1; y++)
 382         {
 383                 for (POSITION x = 1; x < caster_ptr->current_floor_ptr->width - 1; x++)
 384                 {
 385                         if (distance(caster_ptr->y, caster_ptr->x, y, x) > range) continue;
 386
 387                         grid_type *g_ptr;
 388                         g_ptr = &caster_ptr->current_floor_ptr->grid_array[y][x];
 389
 390                         /* Memorize terrain of the grid */
 391                         g_ptr->info |= (CAVE_KNOWN);
 392
 393                         /* Feature code (applying "mimic" field) */
 394                         FEAT_IDX feat = get_feat_mimic(g_ptr);
 395                         feature_type *f_ptr;
 396                         f_ptr = &f_info[feat];
 397
 398                         /* All non-walls are "checked" */
 399                         if (have_flag(f_ptr->flags, FF_WALL)) continue;
 400
 401                         /* Memorize normal features */
 402                         if (have_flag(f_ptr->flags, FF_REMEMBER))
 403                         {
 404                                 /* Memorize the object */
 405                                 g_ptr->info |= (CAVE_MARK);
 406                         }
 407
 408                         /* Memorize known walls */
 409                         for (int i = 0; i < 8; i++)
 410                         {
 411                                 g_ptr = &caster_ptr->current_floor_ptr->grid_array[y + ddy_ddd[i]][x + ddx_ddd[i]];
 412
 413                                 /* Feature code (applying "mimic" field) */
 414                                 feat = get_feat_mimic(g_ptr);
 415                                 f_ptr = &f_info[feat];
 416
 417                                 /* Memorize walls (etc) */
 418                                 if (have_flag(f_ptr->flags, FF_REMEMBER))
 419                                 {
 420                                         /* Memorize the walls */
 421                                         g_ptr->info |= (CAVE_MARK);
 422                                 }
 423                         }
 424                 }
 425         }
 426
 427         caster_ptr->redraw |= (PR_MAP);
 428         caster_ptr->window |= (PW_OVERHEAD | PW_DUNGEON);
 429 }
 430
 431
 432
 433 /*!
 434  * @brief *破壊*処理を行う / The spell of destruction
 435  * @param y1 破壊の中心Y座標
 436  * @param x1 破壊の中心X座標
 437  * @param r 破壊の半径
 438  * @param in_generate ダンジョンフロア生成中の処理ならばTRUE
 439  * @return 効力があった場合TRUEを返す
 440  * @details
 441  * <pre>
 442  * This spell "deletes" monsters (instead of "killing" them).
 443  *
 444  * Later we may use one function for both "destruction" and
 445  * "earthquake" by using the "full" to select "destruction".
 446  * </pre>
 447  */
 448 bool destroy_area(player_type *caster_ptr, POSITION y1, POSITION x1, POSITION r, bool in_generate)
 449 {
 450         /* Prevent destruction of quest levels and town */
 451         floor_type *floor_ptr = caster_ptr->current_floor_ptr;
 452         if ((floor_ptr->inside_quest && is_fixed_quest_idx(floor_ptr->inside_quest)) || !floor_ptr->dun_level)
 453         {
 454                 return FALSE;
 455         }
 456
 457         /* Lose monster light */
 458         if (!in_generate) clear_mon_lite(floor_ptr);
 459
 460         /* Big area of affect */
 461         bool flag = FALSE;
 462         for (POSITION y = (y1 - r); y <= (y1 + r); y++)
 463         {
 464                 for (POSITION x = (x1 - r); x <= (x1 + r); x++)
 465                 {
 466                         if (!in_bounds(floor_ptr, y, x)) continue;
 467
 468                         /* Extract the distance */
 469                         int k = distance(y1, x1, y, x);
 470
 471                         /* Stay in the circle of death */
 472                         if (k > r) continue;
 473                         grid_type *g_ptr;
 474                         g_ptr = &floor_ptr->grid_array[y][x];
 475
 476                         /* Lose room and vault */
 477                         g_ptr->info &= ~(CAVE_ROOM | CAVE_ICKY);
 478
 479                         /* Lose light and knowledge */
 480                         g_ptr->info &= ~(CAVE_MARK | CAVE_GLOW | CAVE_KNOWN);
 481
 482                         if (!in_generate) /* Normal */
 483                         {
 484                                 /* Lose unsafety */
 485                                 g_ptr->info &= ~(CAVE_UNSAFE);
 486
 487                                 /* Hack -- Notice player affect */
 488                                 if (player_bold(caster_ptr, y, x))
 489                                 {
 490                                         /* Hurt the player later */
 491                                         flag = TRUE;
 492
 493                                         /* Do not hurt this grid */
 494                                         continue;
 495                                 }
 496                         }
 497
 498                         /* Hack -- Skip the epicenter */
 499                         if ((y == y1) && (x == x1)) continue;
 500
 501                         if (g_ptr->m_idx)
 502                         {
 503                                 monster_type *m_ptr = &floor_ptr->m_list[g_ptr->m_idx];
 504                                 monster_race *r_ptr = &r_info[m_ptr->r_idx];
 505
 506                                 if (in_generate) /* In generation */
 507                                 {
 508                                         /* Delete the monster (if any) */
 509                                         delete_monster(floor_ptr, y, x);
 510                                 }
 511                                 else if (r_ptr->flags1 & RF1_QUESTOR)
 512                                 {
 513                                         /* Heal the monster */
 514                                         m_ptr->hp = m_ptr->maxhp;
 515
 516                                         /* Try to teleport away quest monsters */
 517                                         if (!teleport_away(caster_ptr, g_ptr->m_idx, (r * 2) + 1, TELEPORT_DEC_VALOUR)) continue;
 518                                 }
 519                                 else
 520                                 {
 521                                         if (record_named_pet && is_pet(m_ptr) && m_ptr->nickname)
 522                                         {
 523                                                 GAME_TEXT m_name[MAX_NLEN];
 524
 525                                                 monster_desc(caster_ptr, m_name, m_ptr, MD_INDEF_VISIBLE);
 526                                                 exe_write_diary(caster_ptr, DIARY_NAMED_PET, RECORD_NAMED_PET_DESTROY, m_name);
 527                                         }
 528
 529                                         /* Delete the monster (if any) */
 530                                         delete_monster(floor_ptr, y, x);
 531                                 }
 532                         }
 533
 534                         /* During generation, destroyed artifacts are "preserved" */
 535                         if (preserve_mode || in_generate)
 536                         {
 537                                 OBJECT_IDX this_o_idx, next_o_idx = 0;
 538
 539                                 /* Scan all objects in the grid */
 540                                 for (this_o_idx = g_ptr->o_idx; this_o_idx; this_o_idx = next_o_idx)
 541                                 {
 542                                         object_type *o_ptr;
 543                                         o_ptr = &floor_ptr->o_list[this_o_idx];
 544                                         next_o_idx = o_ptr->next_o_idx;
 545
 546                                         /* Hack -- Preserve unknown artifacts */
 547                                         if (object_is_fixed_artifact(o_ptr) && (!object_is_known(o_ptr) || in_generate))
 548                                         {
 549                                                 /* Mega-Hack -- Preserve the artifact */
 550                                                 a_info[o_ptr->name1].cur_num = 0;
 551
 552                                                 if (in_generate && cheat_peek)
 553                                                 {
 554                                                         GAME_TEXT o_name[MAX_NLEN];
 555                                                         object_desc(o_name, o_ptr, (OD_NAME_ONLY | OD_STORE));
 556                                                         msg_format(_("伝説のアイテム (%s) は生成中に*破壊*された。", "Artifact (%s) was *destroyed* during generation."), o_name);
 557                                                 }
 558                                         }
 559                                         else if (in_generate && cheat_peek && o_ptr->art_name)
 560                                         {
 561                                                 msg_print(_("ランダム・アーティファクトの1つは生成中に*破壊*された。",
 562                                                         "One of the random artifacts was *destroyed* during generation."));
 563                                         }
 564                                 }
 565                         }
 566
 567                         delete_object(floor_ptr, y, x);
 568
 569                         /* Destroy "non-permanent" grids */
 570                         if (cave_perma_grid(g_ptr)) continue;
 571
 572                         /* Wall (or floor) type */
 573                         int t = randint0(200);
 574
 575                         if (!in_generate) /* Normal */
 576                         {
 577                                 if (t < 20)
 578                                 {
 579                                         /* Create granite wall */
 580                                         cave_set_feat(caster_ptr, y, x, feat_granite);
 581                                 }
 582                                 else if (t < 70)
 583                                 {
 584                                         /* Create quartz vein */
 585                                         cave_set_feat(caster_ptr, y, x, feat_quartz_vein);
 586                                 }
 587                                 else if (t < 100)
 588                                 {
 589                                         /* Create magma vein */
 590                                         cave_set_feat(caster_ptr, y, x, feat_magma_vein);
 591                                 }
 592                                 else
 593                                 {
 594                                         /* Create floor */
 595                                         cave_set_feat(caster_ptr, y, x, feat_ground_type[randint0(100)]);
 596                                 }
 597
 598                                 continue;
 599                         }
 600
 601                         if (t < 20)
 602                         {
 603                                 /* Create granite wall */
 604                                 place_grid(g_ptr, extra);
 605                         }
 606                         else if (t < 70)
 607                         {
 608                                 /* Create quartz vein */
 609                                 g_ptr->feat = feat_quartz_vein;
 610                         }
 611                         else if (t < 100)
 612                         {
 613                                 /* Create magma vein */
 614                                 g_ptr->feat = feat_magma_vein;
 615                         }
 616                         else
 617                         {
 618                                 /* Create floor */
 619                                 place_grid(g_ptr, floor);
 620                         }
 621
 622                         /* Clear garbage of hidden trap or door */
 623                         g_ptr->mimic = 0;
 624                 }
 625         }
 626
 627         if (in_generate) return TRUE;
 628
 629         /* Process "re-glowing" */
 630         for (POSITION y = (y1 - r); y <= (y1 + r); y++)
 631         {
 632                 for (POSITION x = (x1 - r); x <= (x1 + r); x++)
 633                 {
 634                         if (!in_bounds(floor_ptr, y, x)) continue;
 635
 636                         /* Extract the distance */
 637                         int k = distance(y1, x1, y, x);
 638
 639                         /* Stay in the circle of death */
 640                         if (k > r) continue;
 641                         grid_type *g_ptr;
 642                         g_ptr = &floor_ptr->grid_array[y][x];
 643
 644                         if (is_mirror_grid(g_ptr))
 645                         {
 646                                 g_ptr->info |= CAVE_GLOW;
 647                                 continue;
 648                         }
 649
 650                         if ((d_info[floor_ptr->dungeon_idx].flags1 & DF1_DARKNESS)) continue;
 651
 652                         DIRECTION i;
 653                         POSITION yy, xx;
 654                         grid_type *cc_ptr;
 655
 656                         for (i = 0; i < 9; i++)
 657                         {
 658                                 yy = y + ddy_ddd[i];
 659                                 xx = x + ddx_ddd[i];
 660                                 if (!in_bounds2(floor_ptr, yy, xx)) continue;
 661                                 cc_ptr = &floor_ptr->grid_array[yy][xx];
 662                                 if (have_flag(f_info[get_feat_mimic(cc_ptr)].flags, FF_GLOW))
 663                                 {
 664                                         g_ptr->info |= CAVE_GLOW;
 665                                         break;
 666                                 }
 667                         }
 668                 }
 669         }
 670
 671         /* Hack -- Affect player */
 672         if (flag)
 673         {
 674                 msg_print(_("燃えるような閃光が発生した！", "There is a searing blast of light!"));
 675
 676                 /* Blind the player */
 677                 if (!caster_ptr->resist_blind && !caster_ptr->resist_lite)
 678                 {
 679                         /* Become blind */
 680                         (void)set_blind(caster_ptr, caster_ptr->blind + 10 + randint1(10));
 681                 }
 682         }
 683
 684         forget_flow(floor_ptr);
 685
 686         /* Mega-Hack -- Forget the view and lite */
 687         caster_ptr->update |= (PU_UN_VIEW | PU_UN_LITE | PU_VIEW | PU_LITE | PU_FLOW | PU_MON_LITE | PU_MONSTERS);
 688         caster_ptr->redraw |= (PR_MAP);
 689         caster_ptr->window |= (PW_OVERHEAD | PW_DUNGEON);
 690
 691         if (caster_ptr->special_defense & NINJA_S_STEALTH)
 692         {
 693                 if (floor_ptr->grid_array[caster_ptr->y][caster_ptr->x].info & CAVE_GLOW) set_superstealth(caster_ptr, FALSE);
 694         }
 695
 696         return TRUE;
 697 }
 698
 699
 700 /*!
 701  * @brief 地震処理(サブルーチン) /
 702  * Induce an "earthquake" of the given radius at the given location.
 703  * @param caster_ptrプレーヤーへの参照ポインタ
 704  * @param cy 中心Y座標
 705  * @param cx 中心X座標
 706  * @param r 効果半径
 707  * @param m_idx 地震を起こしたモンスターID(0ならばプレイヤー)
 708  * @return 効力があった場合TRUEを返す
 709  * @details
 710  * <pre>
 711  *
 712  * This will turn some walls into floors and some floors into walls.
 713  *
 714  * The player will take damage and "jump" into a safe grid if possible,
 715  * otherwise, he will "tunnel" through the rubble instantaneously.
 716  *
 717  * Monsters will take damage, and "jump" into a safe grid if possible,
 718  * otherwise they will be "buried" in the rubble, disappearing from
 719  * the level in the same way that they do when genocided.
 720  *
 721  * Note that thus the player and monsters (except eaters of walls and
 722  * passers through walls) will never occupy the same grid as a wall.
 723  * Note that as of now (2.7.8) no monster may occupy a "wall" grid, even
 724  * for a single turn, unless that monster can pass_walls or kill_walls.
 725  * This has allowed massive simplification of the "monster" code.
 726  * </pre>
 727  */
 728 bool earthquake(player_type *caster_ptr, POSITION cy, POSITION cx, POSITION r, MONSTER_IDX m_idx)
 729 {
 730         /* Prevent destruction of quest levels and town */
 731         floor_type *floor_ptr = caster_ptr->current_floor_ptr;
 732         if ((floor_ptr->inside_quest && is_fixed_quest_idx(floor_ptr->inside_quest)) || !floor_ptr->dun_level)
 733         {
 734                 return FALSE;
 735         }
 736
 737         /* Paranoia -- Enforce maximum range */
 738         if (r > 12) r = 12;
 739
 740         /* Clear the "maximal blast" area */
 741         POSITION y, x;
 742         bool map[32][32];
 743         for (y = 0; y < 32; y++)
 744         {
 745                 for (x = 0; x < 32; x++)
 746                 {
 747                         map[y][x] = FALSE;
 748                 }
 749         }
 750
 751         /* Check around the epicenter */
 752         POSITION yy, xx, dy, dx;
 753         int damage = 0;
 754         bool hurt = FALSE;
 755         for (dy = -r; dy <= r; dy++)
 756         {
 757                 for (dx = -r; dx <= r; dx++)
 758                 {
 759                         yy = cy + dy;
 760                         xx = cx + dx;
 761
 762                         if (!in_bounds(floor_ptr, yy, xx)) continue;
 763
 764                         /* Skip distant grids */
 765                         if (distance(cy, cx, yy, xx) > r) continue;
 766                         grid_type *g_ptr;
 767                         g_ptr = &floor_ptr->grid_array[yy][xx];
 768
 769                         /* Lose room and vault / Lose light and knowledge */
 770                         g_ptr->info &= ~(CAVE_ROOM | CAVE_ICKY | CAVE_UNSAFE);
 771                         g_ptr->info &= ~(CAVE_GLOW | CAVE_MARK | CAVE_KNOWN);
 772
 773                         /* Skip the epicenter */
 774                         if (!dx && !dy) continue;
 775
 776                         /* Skip most grids */
 777                         if (randint0(100) < 85) continue;
 778
 779                         /* Damage this grid */
 780                         map[16 + yy - cy][16 + xx - cx] = TRUE;
 781
 782                         /* Hack -- Take note of player damage */
 783                         if (player_bold(caster_ptr, yy, xx)) hurt = TRUE;
 784                 }
 785         }
 786
 787         /* First, affect the player (if necessary) */
 788         int sn = 0;
 789         POSITION sy = 0, sx = 0;
 790         if (hurt && !caster_ptr->pass_wall && !caster_ptr->kill_wall)
 791         {
 792                 /* Check around the player */
 793                 for (DIRECTION i = 0; i < 8; i++)
 794                 {
 795                         y = caster_ptr->y + ddy_ddd[i];
 796                         x = caster_ptr->x + ddx_ddd[i];
 797
 798                         /* Skip non-empty grids */
 799                         if (!cave_empty_bold(floor_ptr, y, x)) continue;
 800
 801                         /* Important -- Skip "quake" grids */
 802                         if (map[16 + y - cy][16 + x - cx]) continue;
 803
 804                         if (floor_ptr->grid_array[y][x].m_idx) continue;
 805
 806                         /* Count "safe" grids */
 807                         sn++;
 808
 809                         /* Randomize choice */
 810                         if (randint0(sn) > 0) continue;
 811
 812                         /* Save the safe location */
 813                         sy = y; sx = x;
 814                 }
 815
 816                 /* Random message */
 817                 switch (randint1(3))
 818                 {
 819                 case 1:
 820                 {
 821                         msg_print(_("ダンジョンの壁が崩れた！", "The dungeon's ceiling collapses!"));
 822                         break;
 823                 }
 824                 case 2:
 825                 {
 826                         msg_print(_("ダンジョンの床が不自然にねじ曲がった！", "The dungeon's floor twists in an unnatural way!"));
 827                         break;
 828                 }
 829                 default:
 830                 {
 831                         msg_print(_("ダンジョンが揺れた！崩れた岩が頭に降ってきた！", "The dungeon quakes!  You are pummeled with debris!"));
 832                         break;
 833                 }
 834                 }
 835
 836                 /* Hurt the player a lot */
 837                 if (!sn)
 838                 {
 839                         /* Message and damage */
 840                         msg_print(_("あなたはひどい怪我を負った！", "You are severely crushed!"));
 841                         damage = 200;
 842                 }
 843
 844                 /* Destroy the grid, and push the player to safety */
 845                 else
 846                 {
 847                         /* Calculate results */
 848                         switch (randint1(3))
 849                         {
 850                         case 1:
 851                         {
 852                                 msg_print(_("降り注ぐ岩をうまく避けた！", "You nimbly dodge the blast!"));
 853                                 damage = 0;
 854                                 break;
 855                         }
 856                         case 2:
 857                         {
 858                                 msg_print(_("岩石があなたに直撃した!", "You are bashed by rubble!"));
 859                                 damage = damroll(10, 4);
 860                                 (void)set_stun(caster_ptr, caster_ptr->stun + randint1(50));
 861                                 break;
 862                         }
 863                         case 3:
 864                         {
 865                                 msg_print(_("あなたは床と壁との間に挟まれてしまった！", "You are crushed between the floor and ceiling!"));
 866                                 damage = damroll(10, 4);
 867                                 (void)set_stun(caster_ptr, caster_ptr->stun + randint1(50));
 868                                 break;
 869                         }
 870                         }
 871
 872                         /* Move the player to the safe location */
 873                         (void)move_player_effect(caster_ptr, sy, sx, MPE_DONT_PICKUP);
 874                 }
 875
 876                 /* Important -- no wall on player */
 877                 map[16 + caster_ptr->y - cy][16 + caster_ptr->x - cx] = FALSE;
 878
 879                 if (damage)
 880                 {
 881                         concptr killer;
 882
 883                         if (m_idx)
 884                         {
 885                                 GAME_TEXT m_name[MAX_NLEN];
 886                                 monster_type *m_ptr = &floor_ptr->m_list[m_idx];
 887                                 monster_desc(caster_ptr, m_name, m_ptr, MD_WRONGDOER_NAME);
 888                                 killer = format(_("%sの起こした地震", "an earthquake caused by %s"), m_name);
 889                         }
 890                         else
 891                         {
 892                                 killer = _("地震", "an earthquake");
 893                         }
 894
 895                         take_hit(caster_ptr, DAMAGE_ATTACK, damage, killer, -1);
 896                 }
 897         }
 898
 899         /* Examine the quaked region */
 900         for (dy = -r; dy <= r; dy++)
 901         {
 902                 for (dx = -r; dx <= r; dx++)
 903                 {
 904                         yy = cy + dy;
 905                         xx = cx + dx;
 906
 907                         /* Skip unaffected grids */
 908                         if (!map[16 + yy - cy][16 + xx - cx]) continue;
 909
 910                         grid_type *g_ptr;
 911                         g_ptr = &floor_ptr->grid_array[yy][xx];
 912
 913                         if (g_ptr->m_idx == caster_ptr->riding) continue;
 914
 915                         /* Process monsters */
 916                         if (!g_ptr->m_idx) continue;
 917
 918                         monster_type *m_ptr = &floor_ptr->m_list[g_ptr->m_idx];
 919                         monster_race *r_ptr = &r_info[m_ptr->r_idx];
 920
 921                         /* Quest monsters */
 922                         if (r_ptr->flags1 & RF1_QUESTOR)
 923                         {
 924                                 /* No wall on quest monsters */
 925                                 map[16 + yy - cy][16 + xx - cx] = FALSE;
 926
 927                                 continue;
 928                         }
 929
 930                         /* Most monsters cannot co-exist with rock */
 931                         if ((r_ptr->flags2 & RF2_KILL_WALL) || (r_ptr->flags2 & RF2_PASS_WALL)) continue;
 932
 933                         GAME_TEXT m_name[MAX_NLEN];
 934
 935                         /* Assume not safe */
 936                         sn = 0;
 937
 938                         /* Monster can move to escape the wall */
 939                         if (!(r_ptr->flags1 & RF1_NEVER_MOVE))
 940                         {
 941                                 /* Look for safety */
 942                                 for (DIRECTION i = 0; i < 8; i++)
 943                                 {
 944                                         y = yy + ddy_ddd[i];
 945                                         x = xx + ddx_ddd[i];
 946
 947                                         /* Skip non-empty grids */
 948                                         if (!cave_empty_bold(floor_ptr, y, x)) continue;
 949
 950                                         /* Hack -- no safety on glyph of warding */
 951                                         if (is_glyph_grid(&floor_ptr->grid_array[y][x])) continue;
 952                                         if (is_explosive_rune_grid(&floor_ptr->grid_array[y][x])) continue;
 953
 954                                         /* ... nor on the Pattern */
 955                                         if (pattern_tile(y, x)) continue;
 956
 957                                         /* Important -- Skip "quake" grids */
 958                                         if (map[16 + y - cy][16 + x - cx]) continue;
 959
 960                                         if (floor_ptr->grid_array[y][x].m_idx) continue;
 961                                         if (player_bold(caster_ptr, y, x)) continue;
 962
 963                                         /* Count "safe" grids */
 964                                         sn++;
 965
 966                                         /* Randomize choice */
 967                                         if (randint0(sn) > 0) continue;
 968
 969                                         /* Save the safe grid */
 970                                         sy = y; sx = x;
 971                                 }
 972                         }
 973
 974                         monster_desc(caster_ptr, m_name, m_ptr, 0);
 975
 976                         /* Scream in pain */
 977                         if (!ignore_unview || is_seen(m_ptr)) msg_format(_("%^sは苦痛で泣きわめいた！", "%^s wails out in pain!"), m_name);
 978
 979                         /* Take damage from the quake */
 980                         damage = (sn ? damroll(4, 8) : (m_ptr->hp + 1));
 981
 982                         /* Monster is certainly awake */
 983                         (void)set_monster_csleep(caster_ptr, g_ptr->m_idx, 0);
 984
 985                         /* Apply damage directly */
 986                         m_ptr->hp -= damage;
 987
 988                         /* Delete (not kill) "dead" monsters */
 989                         if (m_ptr->hp < 0)
 990                         {
 991                                 if (!ignore_unview || is_seen(m_ptr))
 992                                         msg_format(_("%^sは岩石に埋もれてしまった！", "%^s is embedded in the rock!"), m_name);
 993
 994                                 if (g_ptr->m_idx)
 995                                 {
 996                                         if (record_named_pet && is_pet(&floor_ptr->m_list[g_ptr->m_idx]) && floor_ptr->m_list[g_ptr->m_idx].nickname)
 997                                         {
 998                                                 char m2_name[MAX_NLEN];
 999
1000                                                 monster_desc(caster_ptr, m2_name, m_ptr, MD_INDEF_VISIBLE);
1001                                                 exe_write_diary(caster_ptr, DIARY_NAMED_PET, RECORD_NAMED_PET_EARTHQUAKE, m2_name);
1002                                         }
1003                                 }
1004
1005                                 delete_monster(floor_ptr, yy, xx);
1006
1007                                 sn = 0;
1008                         }
1009
1010                         /* Hack -- Escape from the rock */
1011                         if (sn == 0) continue;
1012
1013                         IDX m_idx_aux = floor_ptr->grid_array[yy][xx].m_idx;
1014
1015                         /* Update the old location */
1016                         floor_ptr->grid_array[yy][xx].m_idx = 0;
1017
1018                         /* Update the new location */
1019                         floor_ptr->grid_array[sy][sx].m_idx = m_idx_aux;
1020
1021                         /* Move the monster */
1022                         m_ptr->fy = sy;
1023                         m_ptr->fx = sx;
1024
1025                         update_monster(caster_ptr, m_idx, TRUE);
1026                         lite_spot(yy, xx);
1027                         lite_spot(sy, sx);
1028                 }
1029         }
1030
1031         /* Lose monster light */
1032         clear_mon_lite(floor_ptr);
1033
1034         /* Examine the quaked region */
1035         for (dy = -r; dy <= r; dy++)
1036         {
1037                 for (dx = -r; dx <= r; dx++)
1038                 {
1039                         yy = cy + dy;
1040                         xx = cx + dx;
1041
1042                         /* Skip unaffected grids */
1043                         if (!map[16 + yy - cy][16 + xx - cx]) continue;
1044
1045                         grid_type *g_ptr;
1046                         g_ptr = &floor_ptr->grid_array[yy][xx];
1047
1048                         /* Destroy location (if valid) */
1049                         if (!cave_valid_bold(floor_ptr, yy, xx)) continue;
1050
1051                         delete_object(floor_ptr, yy, xx);
1052
1053                         /* Wall (or floor) type */
1054                         int t = cave_have_flag_bold(floor_ptr, yy, xx, FF_PROJECT) ? randint0(100) : 200;
1055
1056                         /* Create granite wall */
1057                         if (t < 20)
1058                         {
1059                                 cave_set_feat(caster_ptr, yy, xx, feat_granite);
1060                                 continue;
1061                         }
1062
1063                         /* Create quartz vein */
1064                         if (t < 70)
1065                         {
1066                                 cave_set_feat(caster_ptr, yy, xx, feat_quartz_vein);
1067                                 continue;
1068                         }
1069
1070                         /* Create magma vein */
1071                         if (t < 100)
1072                         {
1073                                 cave_set_feat(caster_ptr, yy, xx, feat_magma_vein);
1074                                 continue;
1075                         }
1076
1077                         /* Create floor */
1078                         cave_set_feat(caster_ptr, yy, xx, feat_ground_type[randint0(100)]);
1079                 }
1080         }
1081
1082         /* Process "re-glowing" */
1083         for (dy = -r; dy <= r; dy++)
1084         {
1085                 for (dx = -r; dx <= r; dx++)
1086                 {
1087                         yy = cy + dy;
1088                         xx = cx + dx;
1089
1090                         if (!in_bounds(floor_ptr, yy, xx)) continue;
1091
1092                         /* Skip distant grids */
1093                         if (distance(cy, cx, yy, xx) > r) continue;
1094                         grid_type *g_ptr;
1095                         g_ptr = &floor_ptr->grid_array[yy][xx];
1096
1097                         if (is_mirror_grid(g_ptr))
1098                         {
1099                                 g_ptr->info |= CAVE_GLOW;
1100                                 continue;
1101                         }
1102
1103                         if ((d_info[caster_ptr->dungeon_idx].flags1 & DF1_DARKNESS)) continue;
1104
1105                         DIRECTION ii;
1106                         POSITION yyy, xxx;
1107                         grid_type *cc_ptr;
1108
1109                         for (ii = 0; ii < 9; ii++)
1110                         {
1111                                 yyy = yy + ddy_ddd[ii];
1112                                 xxx = xx + ddx_ddd[ii];
1113                                 if (!in_bounds2(floor_ptr, yyy, xxx)) continue;
1114                                 cc_ptr = &floor_ptr->grid_array[yyy][xxx];
1115                                 if (have_flag(f_info[get_feat_mimic(cc_ptr)].flags, FF_GLOW))
1116                                 {
1117                                         g_ptr->info |= CAVE_GLOW;
1118                                         break;
1119                                 }
1120                         }
1121                 }
1122         }
1123
1124         /* Mega-Hack -- Forget the view and lite */
1125         caster_ptr->update |= (PU_UN_VIEW | PU_UN_LITE | PU_VIEW | PU_LITE | PU_FLOW | PU_MON_LITE | PU_MONSTERS);
1126         caster_ptr->redraw |= (PR_HEALTH | PR_UHEALTH | PR_MAP);
1127         caster_ptr->window |= (PW_OVERHEAD | PW_DUNGEON);
1128
1129         if (caster_ptr->special_defense & NINJA_S_STEALTH)
1130         {
1131                 if (floor_ptr->grid_array[caster_ptr->y][caster_ptr->x].info & CAVE_GLOW) set_superstealth(caster_ptr, FALSE);
1132         }
1133
1134         /* Success */
1135         return TRUE;
1136 }