src/floor/wild.c

   1 /*!
   2  * @file wild.c
   3  * @brief 荒野マップの生成とルール管理 / Wilderness generation
   4  * @date 2014/02/13
   5  * @author
   6  * Copyright (c) 1989 James E. Wilson, Robert A. Koeneke\n
   7  * This software may be copied and distributed for educational, research, and\n
   8  * not for profit purposes provided that this copyright and statement are\n
   9  * included in all such copies.\n
  10  * 2013 Deskull rearranged comment for Doxygen.
  11  */
  12
  13 #include "floor/wild.h"
  14 #include "dungeon/dungeon-file.h"
  15 #include "dungeon/dungeon.h"
  16 #include "dungeon/quest.h"
  17 #include "floor/floor-town.h"
  18 #include "grid/feature.h"
  19 #include "grid/grid.h"
  20 #include "info-reader/parse-error-types.h"
  21 #include "io/files-util.h"
  22 #include "io/tokenizer.h"
  23 #include "main/init.h"
  24 #include "monster/monster-status.h"
  25 #include "monster/monster.h"
  26 #include "player/player-effects.h"
  27 #include "player/player-status.h"
  28 #include "realm/realm-names-table.h"
  29 #include "spell-realm/spells-hex.h"
  30 #include "system/system-variables.h"
  31 #include "util/util.h"
  32 #include "view/display-main-window.h"
  33 #include "world/world.h"
  34
  35 #define MAX_FEAT_IN_TERRAIN 18
  36
  37  /*
  38   * Wilderness
  39   */
  40 wilderness_type **wilderness;
  41
  42 bool generate_encounter;
  43
  44 /*!
  45  * @brief 地形生成確率を決める要素100の配列を確率テーブルから作成する
  46  * @param feat_type 非一様確率を再現するための要素数100の配列
  47  * @param prob 元の確率テーブル
  48  * @return なし
  49  */
  50 static void set_floor_and_wall_aux(s16b feat_type[100], feat_prob prob[DUNGEON_FEAT_PROB_NUM])
  51 {
  52         int lim[DUNGEON_FEAT_PROB_NUM], cur = 0, i;
  53
  54         lim[0] = prob[0].percent;
  55         for (i = 1; i < DUNGEON_FEAT_PROB_NUM; i++) lim[i] = lim[i - 1] + prob[i].percent;
  56         if (lim[DUNGEON_FEAT_PROB_NUM - 1] < 100) lim[DUNGEON_FEAT_PROB_NUM - 1] = 100;
  57
  58         for (i = 0; i < 100; i++)
  59         {
  60                 while (i == lim[cur]) cur++;
  61                 feat_type[i] = prob[cur].feat;
  62         }
  63 }
  64
  65
  66 /*!
  67  * @brief ダンジョンの地形を指定確率に応じて各マスへランダムに敷き詰める
  68  * / Fill the arrays of floors and walls in the good proportions
  69  * @param type ダンジョンID
  70  * @return なし
  71  */
  72 void set_floor_and_wall(DUNGEON_IDX type)
  73 {
  74         DUNGEON_IDX cur_type = 255;
  75         dungeon_type *d_ptr;
  76
  77         /* Already filled */
  78         if (cur_type == type) return;
  79
  80         cur_type = type;
  81         d_ptr = &d_info[type];
  82
  83         set_floor_and_wall_aux(feat_ground_type, d_ptr->floor);
  84         set_floor_and_wall_aux(feat_wall_type, d_ptr->fill);
  85
  86         feat_wall_outer = d_ptr->outer_wall;
  87         feat_wall_inner = d_ptr->inner_wall;
  88         feat_wall_solid = d_ptr->outer_wall;
  89 }
  90
  91
  92 /*!
  93  * @brief プラズマフラクタル的地形生成の再帰中間処理
  94  * / Helper for plasma generation.
  95  * @param x1 左上端の深み
  96  * @param x2 右上端の深み
  97  * @param x3 左下端の深み
  98  * @param x4 右下端の深み
  99  * @param xmid 中央座標X
 100  * @param ymid 中央座標Y
 101  * @param rough ランダム幅
 102  * @param depth_max 深みの最大値
 103  * @return なし
 104  */
 105 static void perturb_point_mid(floor_type *floor_ptr, FEAT_IDX x1, FEAT_IDX x2, FEAT_IDX x3, FEAT_IDX x4, POSITION xmid, POSITION ymid, FEAT_IDX rough, FEAT_IDX depth_max)
 106 {
 107         /*
 108          * Average the four corners & perturb it a bit.
 109          * tmp is a random int +/- rough
 110          */
 111         FEAT_IDX tmp2 = rough*2 + 1;
 112         FEAT_IDX tmp = randint1(tmp2) - (rough + 1);
 113
 114         FEAT_IDX avg = ((x1 + x2 + x3 + x4) / 4) + tmp;
 115
 116         /* Division always rounds down, so we round up again */
 117         if (((x1 + x2 + x3 + x4) % 4) > 1)
 118                 avg++;
 119
 120         /* Normalize */
 121         if (avg < 0) avg = 0;
 122         if (avg > depth_max) avg = depth_max;
 123
 124         /* Set the new value. */
 125         floor_ptr->grid_array[ymid][xmid].feat = (FEAT_IDX)avg;
 126 }
 127
 128
 129 /*!
 130  * @brief プラズマフラクタル的地形生成の再帰末端処理
 131  * / Helper for plasma generation.
 132  * @param x1 中間末端部1の重み
 133  * @param x2 中間末端部2の重み
 134  * @param x3 中間末端部3の重み
 135  * @param xmid 最終末端部座標X
 136  * @param ymid 最終末端部座標Y
 137  * @param rough ランダム幅
 138  * @param depth_max 深みの最大値
 139  * @return なし
 140  */
 141 static void perturb_point_end(floor_type *floor_ptr, FEAT_IDX x1, FEAT_IDX x2, FEAT_IDX x3, POSITION xmid, POSITION ymid, FEAT_IDX rough, FEAT_IDX depth_max)
 142 {
 143         /*
 144          * Average the three corners & perturb it a bit.
 145          * tmp is a random int +/- rough
 146          */
 147         FEAT_IDX tmp2 = rough * 2 + 1;
 148         FEAT_IDX tmp = randint0(tmp2) - rough;
 149
 150         FEAT_IDX avg = ((x1 + x2 + x3) / 3) + tmp;
 151
 152         /* Division always rounds down, so we round up again */
 153         if ((x1 + x2 + x3) % 3) avg++;
 154
 155         /* Normalize */
 156         if (avg < 0) avg = 0;
 157         if (avg > depth_max) avg = depth_max;
 158
 159         /* Set the new value. */
 160         floor_ptr->grid_array[ymid][xmid].feat = (FEAT_IDX)avg;
 161 }
 162
 163
 164 /*!
 165  * @brief プラズマフラクタル的地形生成の開始処理
 166  * / Helper for plasma generation.
 167  * @param x1 処理範囲の左上X座標
 168  * @param y1 処理範囲の左上Y座標
 169  * @param x2 処理範囲の右下X座標
 170  * @param y2 処理範囲の右下Y座標
 171  * @param depth_max 深みの最大値
 172  * @param rough ランダム幅
 173  * @return なし
 174  * @details
 175  * <pre>
 176  * A generic function to generate the plasma fractal.
 177  * Note that it uses ``cave_feat'' as temporary storage.
 178  * The values in ``cave_feat'' after this function
 179  * are NOT actual features; They are raw heights which
 180  * need to be converted to features.
 181  * </pre>
 182  */
 183 static void plasma_recursive(floor_type *floor_ptr, POSITION x1, POSITION y1, POSITION x2, POSITION y2, FEAT_IDX depth_max, FEAT_IDX rough)
 184 {
 185         /* Find middle */
 186         POSITION xmid = (x2 - x1) / 2 + x1;
 187         POSITION ymid = (y2 - y1) / 2 + y1;
 188
 189         /* Are we done? */
 190         if (x1 + 1 == x2) return;
 191
 192         perturb_point_mid(floor_ptr, floor_ptr->grid_array[y1][x1].feat, floor_ptr->grid_array[y2][x1].feat, floor_ptr->grid_array[y1][x2].feat,
 193                 floor_ptr->grid_array[y2][x2].feat, xmid, ymid, rough, depth_max);
 194
 195         perturb_point_end(floor_ptr, floor_ptr->grid_array[y1][x1].feat, floor_ptr->grid_array[y1][x2].feat, floor_ptr->grid_array[ymid][xmid].feat,
 196                 xmid, y1, rough, depth_max);
 197
 198         perturb_point_end(floor_ptr, floor_ptr->grid_array[y1][x2].feat, floor_ptr->grid_array[y2][x2].feat, floor_ptr->grid_array[ymid][xmid].feat,
 199                 x2, ymid, rough, depth_max);
 200
 201         perturb_point_end(floor_ptr, floor_ptr->grid_array[y2][x2].feat, floor_ptr->grid_array[y2][x1].feat, floor_ptr->grid_array[ymid][xmid].feat,
 202                 xmid, y2, rough, depth_max);
 203
 204         perturb_point_end(floor_ptr, floor_ptr->grid_array[y2][x1].feat, floor_ptr->grid_array[y1][x1].feat, floor_ptr->grid_array[ymid][xmid].feat,
 205                 x1, ymid, rough, depth_max);
 206
 207
 208         /* Recurse the four quadrants */
 209         plasma_recursive(floor_ptr, x1, y1, xmid, ymid, depth_max, rough);
 210         plasma_recursive(floor_ptr, xmid, y1, x2, ymid, depth_max, rough);
 211         plasma_recursive(floor_ptr, x1, ymid, xmid, y2, depth_max, rough);
 212         plasma_recursive(floor_ptr, xmid, ymid, x2, y2, depth_max, rough);
 213 }
 214
 215
 216 /*
 217  * The default table in terrain level generation.
 218  */
 219 static s16b terrain_table[MAX_WILDERNESS][MAX_FEAT_IN_TERRAIN];
 220
 221 /*!
 222  * @brief 荒野フロア生成のサブルーチン
 223  * @param terrain 荒野地形ID
 224  * @param seed 乱数の固定シード
 225  * @param border 未使用
 226  * @param corner 広域マップの角部分としての生成ならばTRUE
 227  * @return なし
 228  */
 229 static void generate_wilderness_area(floor_type *floor_ptr, int terrain, u32b seed, bool corner)
 230 {
 231         /* The outer wall is easy */
 232         if (terrain == TERRAIN_EDGE)
 233         {
 234                 /* Create level background */
 235                 for (POSITION y1 = 0; y1 < MAX_HGT; y1++)
 236                 {
 237                         for (POSITION x1 = 0; x1 < MAX_WID; x1++)
 238                         {
 239                                 floor_ptr->grid_array[y1][x1].feat = feat_permanent;
 240                         }
 241                 }
 242
 243                 return;
 244         }
 245
 246         /* Hack -- Backup the RNG state */
 247         u32b state_backup[4];
 248         Rand_state_backup(state_backup);
 249
 250         /* Hack -- Induce consistant flavors */
 251         Rand_state_set(seed);
 252
 253         int table_size = sizeof(terrain_table[0]) / sizeof(s16b);
 254         if (!corner)
 255         {
 256                 /* Create level background */
 257                 for (POSITION y1 = 0; y1 < MAX_HGT; y1++)
 258                 {
 259                         for (POSITION x1 = 0; x1 < MAX_WID; x1++)
 260                         {
 261                                 floor_ptr->grid_array[y1][x1].feat = table_size / 2;
 262                         }
 263                 }
 264         }
 265
 266         /*
 267          * Initialize the four corners
 268          * ToDo: calculate the medium height of the adjacent
 269          * terrains for every corner.
 270          */
 271         floor_ptr->grid_array[1][1].feat = (s16b)randint0(table_size);
 272         floor_ptr->grid_array[MAX_HGT-2][1].feat = (s16b)randint0(table_size);
 273         floor_ptr->grid_array[1][MAX_WID-2].feat = (s16b)randint0(table_size);
 274         floor_ptr->grid_array[MAX_HGT-2][MAX_WID-2].feat = (s16b)randint0(table_size);
 275
 276         /* Hack -- only four corners */
 277         if (corner)
 278         {
 279                 floor_ptr->grid_array[1][1].feat = terrain_table[terrain][floor_ptr->grid_array[1][1].feat];
 280                 floor_ptr->grid_array[MAX_HGT - 2][1].feat = terrain_table[terrain][floor_ptr->grid_array[MAX_HGT - 2][1].feat];
 281                 floor_ptr->grid_array[1][MAX_WID - 2].feat = terrain_table[terrain][floor_ptr->grid_array[1][MAX_WID - 2].feat];
 282                 floor_ptr->grid_array[MAX_HGT - 2][MAX_WID - 2].feat = terrain_table[terrain][floor_ptr->grid_array[MAX_HGT - 2][MAX_WID - 2].feat];
 283                 Rand_state_restore(state_backup);
 284                 return;
 285         }
 286
 287         /* Hack -- preserve four corners */
 288         s16b north_west = floor_ptr->grid_array[1][1].feat;
 289         s16b south_west = floor_ptr->grid_array[MAX_HGT - 2][1].feat;
 290         s16b north_east = floor_ptr->grid_array[1][MAX_WID - 2].feat;
 291         s16b south_east = floor_ptr->grid_array[MAX_HGT - 2][MAX_WID - 2].feat;
 292
 293         /* x1, y1, x2, y2, num_depths, roughness */
 294         FEAT_IDX roughness = 1; /* The roughness of the level. */
 295         plasma_recursive(floor_ptr, 1, 1, MAX_WID - 2, MAX_HGT - 2, table_size - 1, roughness);
 296
 297         /* Hack -- copyback four corners */
 298         floor_ptr->grid_array[1][1].feat = north_west;
 299         floor_ptr->grid_array[MAX_HGT - 2][1].feat = south_west;
 300         floor_ptr->grid_array[1][MAX_WID - 2].feat = north_east;
 301         floor_ptr->grid_array[MAX_HGT - 2][MAX_WID - 2].feat = south_east;
 302
 303         for (POSITION y1 = 1; y1 < MAX_HGT - 1; y1++)
 304         {
 305                 for (POSITION x1 = 1; x1 < MAX_WID - 1; x1++)
 306                 {
 307                         floor_ptr->grid_array[y1][x1].feat = terrain_table[terrain][floor_ptr->grid_array[y1][x1].feat];
 308                 }
 309         }
 310
 311         Rand_state_restore(state_backup);
 312 }
 313
 314
 315 /*!
 316  * @brief 荒野フロア生成のメインルーチン /
 317  * Load a town or generate a terrain level using "plasma" fractals.
 318  * @param player_ptr プレーヤーへの参照ポインタ
 319  * @param y 広域Y座標
 320  * @param x 広域X座標
 321  * @param border 広域マップの辺部分としての生成ならばTRUE
 322  * @param corner 広域マップの角部分としての生成ならばTRUE
 323  * @return なし
 324  * @details
 325  * <pre>
 326  * x and y are the coordinates of the area in the wilderness.
 327  * Border and corner are optimization flags to speed up the
 328  * generation of the fractal terrain.
 329  * If border is set then only the border of the terrain should
 330  * be generated (for initializing the border structure).
 331  * If corner is set then only the corners of the area are needed.
 332  * </pre>
 333  */
 334 static void generate_area(player_type *player_ptr, POSITION y, POSITION x, bool border, bool corner)
 335 {
 336         /* Number of the town (if any) */
 337         player_ptr->town_num = wilderness[y][x].town;
 338
 339         /* Set the base level */
 340         floor_type *floor_ptr = player_ptr->current_floor_ptr;
 341         floor_ptr->base_level = wilderness[y][x].level;
 342
 343         /* Set the dungeon level */
 344         floor_ptr->dun_level = 0;
 345
 346         /* Set the monster generation level */
 347         floor_ptr->monster_level = floor_ptr->base_level;
 348
 349         /* Set the object generation level */
 350         floor_ptr->object_level = floor_ptr->base_level;
 351
 352
 353         /* Create the town */
 354         if (player_ptr->town_num)
 355         {
 356                 /* Reset the buildings */
 357                 init_buildings();
 358
 359                 /* Initialize the town */
 360                 if (border | corner)
 361                         init_flags = INIT_CREATE_DUNGEON | INIT_ONLY_FEATURES;
 362                 else
 363                         init_flags = INIT_CREATE_DUNGEON;
 364
 365                 parse_fixed_map(player_ptr, "t_info.txt", 0, 0, MAX_HGT, MAX_WID);
 366
 367                 if (!corner && !border) player_ptr->visit |= (1L << (player_ptr->town_num - 1));
 368         }
 369         else
 370         {
 371                 int terrain = wilderness[y][x].terrain;
 372                 u32b seed = wilderness[y][x].seed;
 373
 374                 generate_wilderness_area(floor_ptr, terrain, seed, corner);
 375         }
 376
 377         if (!corner && !wilderness[y][x].town)
 378         {
 379                 /*
 380                  * Place roads in the wilderness
 381                  * ToDo: make the road a bit more interresting
 382                  */
 383                 if (wilderness[y][x].road)
 384                 {
 385                         floor_ptr->grid_array[MAX_HGT/2][MAX_WID/2].feat = feat_floor;
 386
 387                         POSITION x1, y1;
 388                         if (wilderness[y-1][x].road)
 389                         {
 390                                 /* North road */
 391                                 for (y1 = 1; y1 < MAX_HGT/2; y1++)
 392                                 {
 393                                         x1 = MAX_WID/2;
 394                                         floor_ptr->grid_array[y1][x1].feat = feat_floor;
 395                                 }
 396                         }
 397
 398                         if (wilderness[y+1][x].road)
 399                         {
 400                                 /* North road */
 401                                 for (y1 = MAX_HGT/2; y1 < MAX_HGT - 1; y1++)
 402                                 {
 403                                         x1 = MAX_WID/2;
 404                                         floor_ptr->grid_array[y1][x1].feat = feat_floor;
 405                                 }
 406                         }
 407
 408                         if (wilderness[y][x+1].road)
 409                         {
 410                                 /* East road */
 411                                 for (x1 = MAX_WID/2; x1 < MAX_WID - 1; x1++)
 412                                 {
 413                                         y1 = MAX_HGT/2;
 414                                         floor_ptr->grid_array[y1][x1].feat = feat_floor;
 415                                 }
 416                         }
 417
 418                         if (wilderness[y][x-1].road)
 419                         {
 420                                 /* West road */
 421                                 for (x1 = 1; x1 < MAX_WID/2; x1++)
 422                                 {
 423                                         y1 = MAX_HGT/2;
 424                                         floor_ptr->grid_array[y1][x1].feat = feat_floor;
 425                                 }
 426                         }
 427                 }
 428         }
 429
 430         /*
 431          * 本来は '> 0'で良いと思われるがエンバグするのも怖いので'!= 0'と記載する
 432          * 問題なければ'> 0'へ置き換えること
 433          */
 434         bool is_winner = wilderness[y][x].entrance != 0;
 435         is_winner &= !wilderness[y][x].town != 0;
 436         bool is_wild_winner = (d_info[wilderness[y][x].entrance].flags1 & DF1_WINNER) == 0;
 437         is_winner &= ((current_world_ptr->total_winner != 0) || is_wild_winner);
 438         if (!is_winner) return;
 439
 440         /* Hack -- Backup the RNG state */
 441         u32b state_backup[4];
 442         Rand_state_backup(state_backup);
 443
 444         /* Hack -- Induce consistant flavors */
 445         Rand_state_set(wilderness[y][x].seed);
 446
 447         int dy = rand_range(6, floor_ptr->height - 6);
 448         int dx = rand_range(6, floor_ptr->width - 6);
 449
 450         floor_ptr->grid_array[dy][dx].feat = feat_entrance;
 451         floor_ptr->grid_array[dy][dx].special = wilderness[y][x].entrance;
 452
 453         /* Hack -- Restore the RNG state */
 454         Rand_state_restore(state_backup);
 455 }
 456
 457
 458 /*
 459  * Border of the wilderness area
 460  */
 461 static border_type border;
 462
 463 /*!
 464  * @brief 広域マップの生成 /
 465  * Build the wilderness area outside of the town.
 466  * @todo 広域マップは恒常生成にする予定、player_typeによる処理分岐は最終的に排除する。
 467  * @param creature_ptr プレーヤーへの参照ポインタ
 468  * @return なし
 469  */
 470 void wilderness_gen(player_type *creature_ptr)
 471 {
 472         /* Big town */
 473         floor_type *floor_ptr = creature_ptr->current_floor_ptr;
 474         floor_ptr->height = MAX_HGT;
 475         floor_ptr->width = MAX_WID;
 476
 477         /* Assume illegal panel */
 478         panel_row_min = floor_ptr->height;
 479         panel_col_min = floor_ptr->width;
 480
 481         parse_fixed_map(creature_ptr, "w_info.txt", 0, 0, current_world_ptr->max_wild_y, current_world_ptr->max_wild_x);
 482         POSITION x = creature_ptr->wilderness_x;
 483         POSITION y = creature_ptr->wilderness_y;
 484         get_mon_num_prep(creature_ptr, get_monster_hook(creature_ptr), NULL);
 485
 486         /* North border */
 487         generate_area(creature_ptr, y - 1, x, TRUE, FALSE);
 488
 489         for (int i = 1; i < MAX_WID - 1; i++)
 490         {
 491                 border.north[i] = floor_ptr->grid_array[MAX_HGT - 2][i].feat;
 492         }
 493
 494         /* South border */
 495         generate_area(creature_ptr, y + 1, x, TRUE, FALSE);
 496
 497         for (int i = 1; i < MAX_WID - 1; i++)
 498         {
 499                 border.south[i] = floor_ptr->grid_array[1][i].feat;
 500         }
 501
 502         /* West border */
 503         generate_area(creature_ptr, y, x - 1, TRUE, FALSE);
 504
 505         for (int i = 1; i < MAX_HGT - 1; i++)
 506         {
 507                 border.west[i] = floor_ptr->grid_array[i][MAX_WID - 2].feat;
 508         }
 509
 510         /* East border */
 511         generate_area(creature_ptr, y, x + 1, TRUE, FALSE);
 512
 513         for (int i = 1; i < MAX_HGT - 1; i++)
 514         {
 515                 border.east[i] = floor_ptr->grid_array[i][1].feat;
 516         }
 517
 518         /* North west corner */
 519         generate_area(creature_ptr, y - 1, x - 1, FALSE, TRUE);
 520         border.north_west = floor_ptr->grid_array[MAX_HGT - 2][MAX_WID - 2].feat;
 521
 522         /* North east corner */
 523         generate_area(creature_ptr, y - 1, x + 1, FALSE, TRUE);
 524         border.north_east = floor_ptr->grid_array[MAX_HGT - 2][1].feat;
 525
 526         /* South west corner */
 527         generate_area(creature_ptr, y + 1, x - 1, FALSE, TRUE);
 528         border.south_west = floor_ptr->grid_array[1][MAX_WID - 2].feat;
 529
 530         /* South east corner */
 531         generate_area(creature_ptr, y + 1, x + 1, FALSE, TRUE);
 532         border.south_east = floor_ptr->grid_array[1][1].feat;
 533
 534         /* Create terrain of the current area */
 535         generate_area(creature_ptr, y, x, FALSE, FALSE);
 536
 537         /* Special boundary walls -- North */
 538         for (int i = 0; i < MAX_WID; i++)
 539         {
 540                 floor_ptr->grid_array[0][i].feat = feat_permanent;
 541                 floor_ptr->grid_array[0][i].mimic = border.north[i];
 542         }
 543
 544         /* Special boundary walls -- South */
 545         for (int i = 0; i < MAX_WID; i++)
 546         {
 547                 floor_ptr->grid_array[MAX_HGT - 1][i].feat = feat_permanent;
 548                 floor_ptr->grid_array[MAX_HGT - 1][i].mimic = border.south[i];
 549         }
 550
 551         /* Special boundary walls -- West */
 552         for (int i = 0; i < MAX_HGT; i++)
 553         {
 554                 floor_ptr->grid_array[i][0].feat = feat_permanent;
 555                 floor_ptr->grid_array[i][0].mimic = border.west[i];
 556         }
 557
 558         /* Special boundary walls -- East */
 559         for (int i = 0; i < MAX_HGT; i++)
 560         {
 561                 floor_ptr->grid_array[i][MAX_WID - 1].feat = feat_permanent;
 562                 floor_ptr->grid_array[i][MAX_WID - 1].mimic = border.east[i];
 563         }
 564
 565         floor_ptr->grid_array[0][0].mimic = border.north_west;
 566         floor_ptr->grid_array[0][MAX_WID - 1].mimic = border.north_east;
 567         floor_ptr->grid_array[MAX_HGT - 1][0].mimic = border.south_west;
 568         floor_ptr->grid_array[MAX_HGT - 1][MAX_WID - 1].mimic = border.south_east;
 569
 570         /* Light up or darken the area */
 571         for (y = 0; y < floor_ptr->height; y++)
 572         {
 573                 for (x = 0; x < floor_ptr->width; x++)
 574                 {
 575                         grid_type *g_ptr;
 576                         g_ptr = &floor_ptr->grid_array[y][x];
 577
 578                         if (is_daytime())
 579                         {
 580                                 /* Assume lit */
 581                                 g_ptr->info |= CAVE_GLOW;
 582
 583                                 /* Hack -- Memorize lit grids if allowed */
 584                                 if (view_perma_grids) g_ptr->info |= CAVE_MARK;
 585                                 continue;
 586                         }
 587
 588                         /* Feature code (applying "mimic" field) */
 589                         feature_type *f_ptr;
 590                         f_ptr = &f_info[get_feat_mimic(g_ptr)];
 591
 592                         if (!is_mirror_grid(g_ptr) && !have_flag(f_ptr->flags, FF_QUEST_ENTER) &&
 593                                 !have_flag(f_ptr->flags, FF_ENTRANCE))
 594                         {
 595                                 /* Assume dark */
 596                                 g_ptr->info &= ~(CAVE_GLOW);
 597
 598                                 /* Darken "boring" features */
 599                                 if (!have_flag(f_ptr->flags, FF_REMEMBER))
 600                                 {
 601                                         /* Forget the grid */
 602                                         g_ptr->info &= ~(CAVE_MARK);
 603                                 }
 604
 605                                 continue;
 606                         }
 607
 608                         if (!have_flag(f_ptr->flags, FF_ENTRANCE)) continue;
 609
 610                         g_ptr->info |= CAVE_GLOW;
 611
 612                         /* Hack -- Memorize lit grids if allowed */
 613                         if (view_perma_grids) g_ptr->info |= CAVE_MARK;
 614                 }
 615         }
 616
 617         if (creature_ptr->teleport_town)
 618         {
 619                 for (y = 0; y < floor_ptr->height; y++)
 620                 {
 621                         for (x = 0; x < floor_ptr->width; x++)
 622                         {
 623                                 grid_type *g_ptr;
 624                                 g_ptr = &floor_ptr->grid_array[y][x];
 625
 626                                 /* Seeing true feature code (ignore mimic) */
 627                                 feature_type *f_ptr;
 628                                 f_ptr = &f_info[g_ptr->feat];
 629
 630                                 if (!have_flag(f_ptr->flags, FF_BLDG)) continue;
 631
 632                                 if ((f_ptr->subtype != 4) && !((creature_ptr->town_num == 1) && (f_ptr->subtype == 0)))
 633                                         continue;
 634
 635                                 if (g_ptr->m_idx)
 636                                 {
 637                                         delete_monster_idx(creature_ptr, g_ptr->m_idx);
 638                                 }
 639
 640                                 creature_ptr->oldpy = y;
 641                                 creature_ptr->oldpx = x;
 642                         }
 643                 }
 644
 645                 creature_ptr->teleport_town = FALSE;
 646         }
 647         else if (creature_ptr->leaving_dungeon)
 648         {
 649                 for (y = 0; y < floor_ptr->height; y++)
 650                 {
 651                         for (x = 0; x < floor_ptr->width; x++)
 652                         {
 653                                 grid_type *g_ptr;
 654                                 g_ptr = &floor_ptr->grid_array[y][x];
 655
 656                                 if (!cave_have_flag_grid(g_ptr, FF_ENTRANCE)) continue;
 657
 658                                 if (g_ptr->m_idx)
 659                                 {
 660                                         delete_monster_idx(creature_ptr, g_ptr->m_idx);
 661                                 }
 662
 663                                 creature_ptr->oldpy = y;
 664                                 creature_ptr->oldpx = x;
 665                         }
 666                 }
 667
 668                 creature_ptr->teleport_town = FALSE;
 669         }
 670
 671         player_place(creature_ptr, creature_ptr->oldpy, creature_ptr->oldpx);
 672         int lim = (generate_encounter == TRUE) ? 40 : MIN_M_ALLOC_TN;
 673
 674         /* Make some residents */
 675         for (int i = 0; i < lim; i++)
 676         {
 677                 BIT_FLAGS mode = 0;
 678
 679                 if (!(generate_encounter || (one_in_(2) && (!creature_ptr->town_num))))
 680                         mode |= PM_ALLOW_SLEEP;
 681
 682                 /* Make a resident */
 683                 (void)alloc_monster(creature_ptr, generate_encounter ? 0 : 3, mode);
 684         }
 685
 686         if(generate_encounter) creature_ptr->ambush_flag = TRUE;
 687         generate_encounter = FALSE;
 688
 689         /* Fill the arrays of floors and walls in the good proportions */
 690         set_floor_and_wall(0);
 691
 692         /* Set rewarded quests to finished */
 693         for (int i = 0; i < max_q_idx; i++)
 694         {
 695                 if (quest[i].status == QUEST_STATUS_REWARDED)
 696                         quest[i].status = QUEST_STATUS_FINISHED;
 697         }
 698 }
 699
 700 static s16b conv_terrain2feat[MAX_WILDERNESS];
 701
 702 /*!
 703  * @brief 広域マップの生成(簡易処理版) /
 704  * Build the wilderness area. -DG-
 705  * @return なし
 706  */
 707 void wilderness_gen_small(player_type *creature_ptr)
 708 {
 709         /* To prevent stupid things */
 710         floor_type *floor_ptr = creature_ptr->current_floor_ptr;
 711         for (int i = 0; i < MAX_WID; i++)
 712         {
 713                 for (int j = 0; j < MAX_HGT; j++)
 714                 {
 715                         floor_ptr->grid_array[j][i].feat = feat_permanent;
 716                 }
 717         }
 718
 719         parse_fixed_map(creature_ptr, "w_info.txt", 0, 0, current_world_ptr->max_wild_y, current_world_ptr->max_wild_x);
 720
 721         /* Fill the map */
 722         for (int i = 0; i < current_world_ptr->max_wild_x; i++)
 723         {
 724                 for (int j = 0; j < current_world_ptr->max_wild_y; j++)
 725                 {
 726                         if (wilderness[j][i].town && (wilderness[j][i].town != NO_TOWN))
 727                         {
 728                                 floor_ptr->grid_array[j][i].feat = (s16b)feat_town;
 729                                 floor_ptr->grid_array[j][i].special = (s16b)wilderness[j][i].town;
 730                                 floor_ptr->grid_array[j][i].info |= (CAVE_GLOW | CAVE_MARK);
 731                                 continue;
 732                         }
 733
 734                         if (wilderness[j][i].road)
 735                         {
 736                                 floor_ptr->grid_array[j][i].feat = feat_floor;
 737                                 floor_ptr->grid_array[j][i].info |= (CAVE_GLOW | CAVE_MARK);
 738                                 continue;
 739                         }
 740
 741                         if (wilderness[j][i].entrance && (current_world_ptr->total_winner || !(d_info[wilderness[j][i].entrance].flags1 & DF1_WINNER)))
 742                         {
 743                                 floor_ptr->grid_array[j][i].feat = feat_entrance;
 744                                 floor_ptr->grid_array[j][i].special = (byte)wilderness[j][i].entrance;
 745                                 floor_ptr->grid_array[j][i].info |= (CAVE_GLOW | CAVE_MARK);
 746                                 continue;
 747                         }
 748
 749                         floor_ptr->grid_array[j][i].feat = conv_terrain2feat[wilderness[j][i].terrain];
 750                         floor_ptr->grid_array[j][i].info |= (CAVE_GLOW | CAVE_MARK);
 751                 }
 752         }
 753
 754         floor_ptr->height = (s16b) current_world_ptr->max_wild_y;
 755         floor_ptr->width = (s16b) current_world_ptr->max_wild_x;
 756
 757         if (floor_ptr->height > MAX_HGT) floor_ptr->height = MAX_HGT;
 758         if (floor_ptr->width > MAX_WID) floor_ptr->width = MAX_WID;
 759
 760         /* Assume illegal panel */
 761         panel_row_min = floor_ptr->height;
 762         panel_col_min = floor_ptr->width;
 763
 764         creature_ptr->x = creature_ptr->wilderness_x;
 765         creature_ptr->y = creature_ptr->wilderness_y;
 766         creature_ptr->town_num = 0;
 767 }
 768
 769
 770 typedef struct wilderness_grid wilderness_grid;
 771
 772 struct wilderness_grid
 773 {
 774         int             terrain;    /* Terrain type */
 775         TOWN_IDX town;   /* Town number */
 776         DEPTH level;     /* Level of the wilderness */
 777         byte    road;       /* Road */
 778         char    name[32];       /* Name of the town/wilderness */
 779 };
 780
 781
 782 static wilderness_grid w_letter[255];
 783
 784 /*!
 785  * @brief w_info.txtのデータ解析 /
 786  * Parse a sub-file of the "extra info"
 787  * @param buf 読み取ったデータ行のバッファ
 788  * @param ymin 未使用
 789  * @param xmin 広域地形マップを読み込みたいx座標の開始位置
 790  * @param ymax 未使用
 791  * @param xmax 広域地形マップを読み込みたいx座標の終了位置
 792  * @param y 広域マップの高さを返す参照ポインタ
 793  * @param x 広域マップの幅を返す参照ポインタ
 794  * @return なし
 795  */
 796 errr parse_line_wilderness(player_type *creature_ptr, char *buf, int xmin, int xmax, int *y, int *x)
 797 {
 798         if (!(buf[0] == 'W')) return (PARSE_ERROR_GENERIC);
 799
 800         int num;
 801         char *zz[33];
 802         switch (buf[2])
 803         {
 804                 /* Process "W:F:<letter>:<terrain>:<town>:<road>:<name> */
 805 #ifdef JP
 806         case 'E':
 807                 return 0;
 808         case 'F':
 809         case 'J':
 810 #else
 811         case 'J':
 812                 return 0;
 813         case 'F':
 814         case 'E':
 815 #endif
 816         {
 817                 if ((num = tokenize(buf+4, 6, zz, 0)) > 1)
 818                 {
 819                         int index = zz[0][0];
 820
 821                         if (num > 1)
 822                                 w_letter[index].terrain = atoi(zz[1]);
 823                         else
 824                                 w_letter[index].terrain = 0;
 825
 826                         if (num > 2)
 827                                 w_letter[index].level = (s16b)atoi(zz[2]);
 828                         else
 829                                 w_letter[index].level = 0;
 830
 831                         if (num > 3)
 832                                 w_letter[index].town = (TOWN_IDX)atoi(zz[3]);
 833                         else
 834                                 w_letter[index].town = 0;
 835
 836                         if (num > 4)
 837                                 w_letter[index].road = (byte)atoi(zz[4]);
 838                         else
 839                                 w_letter[index].road = 0;
 840
 841                         if (num > 5)
 842                                 strcpy(w_letter[index].name, zz[5]);
 843                         else
 844                                 w_letter[index].name[0] = 0;
 845                 }
 846                 else
 847                 {
 848                                 /* Failure */
 849                         return (PARSE_ERROR_TOO_FEW_ARGUMENTS);
 850                 }
 851
 852                 break;
 853         }
 854
 855         /* Process "W:D:<layout> */
 856         /* Layout of the wilderness */
 857         case 'D':
 858         {
 859                 char *s = buf+4;
 860                 int len = strlen(s);
 861                 int i;
 862                 for (*x = xmin, i = 0; ((*x < xmax) && (i < len)); (*x)++, s++, i++)
 863                 {
 864                         int id = s[0];
 865                         wilderness[*y][*x].terrain = w_letter[id].terrain;
 866                         wilderness[*y][*x].level = w_letter[id].level;
 867                         wilderness[*y][*x].town = w_letter[id].town;
 868                         wilderness[*y][*x].road = w_letter[id].road;
 869                         strcpy(town_info[w_letter[id].town].name, w_letter[id].name);
 870                 }
 871
 872                 (*y)++;
 873                 break;
 874         }
 875
 876         /* Process "W:P:<x>:<y> - starting position in the wilderness */
 877         case 'P':
 878         {
 879                 bool is_corner = creature_ptr->wilderness_x == 0;
 880                 is_corner = creature_ptr->wilderness_y == 0;
 881                 if (!is_corner) break;
 882
 883                 if (tokenize(buf + 4, 2, zz, 0) != 2)
 884                 {
 885                         return PARSE_ERROR_TOO_FEW_ARGUMENTS;
 886                 }
 887
 888                 creature_ptr->wilderness_y = atoi(zz[0]);
 889                 creature_ptr->wilderness_x = atoi(zz[1]);
 890
 891                 if ((creature_ptr->wilderness_x < 1) ||
 892                         (creature_ptr->wilderness_x > current_world_ptr->max_wild_x) ||
 893                         (creature_ptr->wilderness_y < 1) ||
 894                         (creature_ptr->wilderness_y > current_world_ptr->max_wild_y))
 895                 {
 896                         return PARSE_ERROR_OUT_OF_BOUNDS;
 897                 }
 898
 899                 break;
 900         }
 901
 902         default:
 903                 return PARSE_ERROR_UNDEFINED_DIRECTIVE;
 904         }
 905
 906         for (int i = 1; i < current_world_ptr->max_d_idx; i++)
 907         {
 908                 if (!d_info[i].maxdepth) continue;
 909                 wilderness[d_info[i].dy][d_info[i].dx].entrance = (byte)i;
 910                 if (!wilderness[d_info[i].dy][d_info[i].dx].town)
 911                 {
 912                         wilderness[d_info[i].dy][d_info[i].dx].level = d_info[i].mindepth;
 913                 }
 914         }
 915
 916         return 0;
 917 }
 918
 919
 920 /*!
 921  * @brief ゲーム開始時に各荒野フロアの乱数シードを指定する /
 922  * Generate the random seeds for the wilderness
 923  * @return なし
 924  */
 925 void seed_wilderness(void)
 926 {
 927         for (POSITION x = 0; x < current_world_ptr->max_wild_x; x++)
 928         {
 929                 for (POSITION y = 0; y < current_world_ptr->max_wild_y; y++)
 930                 {
 931                         wilderness[y][x].seed = randint0(0x10000000);
 932                         wilderness[y][x].entrance = 0;
 933                 }
 934         }
 935 }
 936
 937
 938 /*
 939  * Pointer to wilderness_type
 940  */
 941 typedef wilderness_type *wilderness_type_ptr;
 942
 943 /*!
 944  * @brief ゲーム開始時の荒野初期化メインルーチン /
 945  * Initialize wilderness array
 946  * @return エラーコード
 947  */
 948 errr init_wilderness(void)
 949 {
 950         /* Allocate the wilderness (two-dimension array) */
 951         C_MAKE(wilderness, current_world_ptr->max_wild_y, wilderness_type_ptr);
 952         C_MAKE(wilderness[0], current_world_ptr->max_wild_x * current_world_ptr->max_wild_y, wilderness_type);
 953
 954         /* Init the other pointers */
 955         for (int i = 1; i < current_world_ptr->max_wild_y; i++)
 956         {
 957                 wilderness[i] = wilderness[0] + i * current_world_ptr->max_wild_x;
 958         }
 959
 960         generate_encounter = FALSE;
 961         return 0;
 962 }
 963
 964
 965 /*!
 966  * @brief 荒野の地勢設定を初期化する /
 967  * Initialize wilderness array
 968  * @param terrain 初期化したい地勢ID
 969  * @param feat_global 基本的な地形ID
 970  * @param fmt 地勢内の地形数を参照するための独自フォーマット
 971  * @return なし
 972  */
 973 static void init_terrain_table(int terrain, s16b feat_global, concptr fmt, ...)
 974 {
 975         /* Begin the varargs stuff */
 976         va_list vp;
 977         va_start(vp, fmt);
 978
 979         /* Wilderness terrains on global map */
 980         conv_terrain2feat[terrain] = feat_global;
 981
 982         /* Wilderness terrains on local map */
 983         int cur = 0;
 984         char check = 'a';
 985         for (concptr p = fmt; *p; p++)
 986         {
 987                 if (*p != check)
 988                 {
 989                         plog_fmt("Format error");
 990                         continue;
 991                 }
 992
 993                 FEAT_IDX feat = (s16b)va_arg(vp, int);
 994                 int num = va_arg(vp, int);
 995                 int lim = cur + num;
 996
 997                 for (; (cur < lim) && (cur < MAX_FEAT_IN_TERRAIN); cur++)
 998                 {
 999                         terrain_table[terrain][cur] = feat;
1000                 }
1001
1002                 if (cur >= MAX_FEAT_IN_TERRAIN) break;
1003
1004                 check++;
1005         }
1006
1007         if (cur < MAX_FEAT_IN_TERRAIN)
1008         {
1009                 plog_fmt("Too few parameters");
1010         }
1011
1012         va_end(vp);
1013 }
1014
1015
1016 /*!
1017  * @brief 荒野の地勢設定全体を初期化するメインルーチン /
1018  * Initialize arrays for wilderness terrains
1019  * @return なし
1020  */
1021 void init_wilderness_terrains(void)
1022 {
1023         init_terrain_table(TERRAIN_EDGE, feat_permanent, "a",
1024                 feat_permanent, MAX_FEAT_IN_TERRAIN);
1025
1026         init_terrain_table(TERRAIN_TOWN, feat_town, "a",
1027                 feat_floor, MAX_FEAT_IN_TERRAIN);
1028
1029         init_terrain_table(TERRAIN_DEEP_WATER, feat_deep_water, "ab",
1030                 feat_deep_water, 12,
1031                 feat_shallow_water, MAX_FEAT_IN_TERRAIN - 12);
1032
1033         init_terrain_table(TERRAIN_SHALLOW_WATER, feat_shallow_water, "abcde",
1034                 feat_deep_water, 3,
1035                 feat_shallow_water, 12,
1036                 feat_floor, 1,
1037                 feat_dirt, 1,
1038                 feat_grass, MAX_FEAT_IN_TERRAIN - 17);
1039
1040         init_terrain_table(TERRAIN_SWAMP, feat_swamp, "abcdef",
1041                 feat_dirt, 2,
1042                 feat_grass, 3,
1043                 feat_tree, 1,
1044                 feat_brake, 1,
1045                 feat_shallow_water, 4,
1046                 feat_swamp, MAX_FEAT_IN_TERRAIN - 11);
1047
1048         init_terrain_table(TERRAIN_DIRT, feat_dirt, "abcdef",
1049                 feat_floor, 3,
1050                 feat_dirt, 10,
1051                 feat_flower, 1,
1052                 feat_brake, 1,
1053                 feat_grass, 1,
1054                 feat_tree, MAX_FEAT_IN_TERRAIN - 16);
1055
1056         init_terrain_table(TERRAIN_GRASS, feat_grass, "abcdef",
1057                 feat_floor, 2,
1058                 feat_dirt, 2,
1059                 feat_grass, 9,
1060                 feat_flower, 1,
1061                 feat_brake, 2,
1062                 feat_tree, MAX_FEAT_IN_TERRAIN - 16);
1063
1064         init_terrain_table(TERRAIN_TREES, feat_tree, "abcde",
1065                 feat_floor, 2,
1066                 feat_dirt, 1,
1067                 feat_tree, 11,
1068                 feat_brake, 2,
1069                 feat_grass, MAX_FEAT_IN_TERRAIN - 16);
1070
1071         init_terrain_table(TERRAIN_DESERT, feat_dirt, "abc",
1072                 feat_floor, 2,
1073                 feat_dirt, 13,
1074                 feat_grass, MAX_FEAT_IN_TERRAIN - 15);
1075
1076         init_terrain_table(TERRAIN_SHALLOW_LAVA, feat_shallow_lava, "abc",
1077                 feat_shallow_lava, 14,
1078                 feat_deep_lava, 3,
1079                 feat_mountain, MAX_FEAT_IN_TERRAIN - 17);
1080
1081         init_terrain_table(TERRAIN_DEEP_LAVA, feat_deep_lava, "abcd",
1082                 feat_dirt, 3,
1083                 feat_shallow_lava, 3,
1084                 feat_deep_lava, 10,
1085                 feat_mountain, MAX_FEAT_IN_TERRAIN - 16);
1086
1087         init_terrain_table(TERRAIN_MOUNTAIN, feat_mountain, "abcdef",
1088                 feat_floor, 1,
1089                 feat_brake, 1,
1090                 feat_grass, 2,
1091                 feat_dirt, 2,
1092                 feat_tree, 2,
1093                 feat_mountain, MAX_FEAT_IN_TERRAIN - 8);
1094 }
1095
1096
1097 /*!
1098  * @brief 荒野から広域マップへの切り替え処理 /
1099  * Initialize arrays for wilderness terrains
1100  * @param encount 襲撃時TRUE
1101  * @return 切り替えが行われた場合はTRUEを返す。
1102  */
1103 bool change_wild_mode(player_type *creature_ptr, bool encount)
1104 {
1105         generate_encounter = encount;
1106
1107         /* It is in the middle of changing map */
1108         if (creature_ptr->leaving) return FALSE;
1109
1110         if (lite_town || vanilla_town)
1111         {
1112                 msg_print(_("荒野なんてない。", "No global map."));
1113                 return FALSE;
1114         }
1115
1116         if (creature_ptr->wild_mode)
1117         {
1118                 /* Save the location in the global map */
1119                 creature_ptr->wilderness_x = creature_ptr->x;
1120                 creature_ptr->wilderness_y = creature_ptr->y;
1121
1122                 /* Give first move to the player */
1123                 creature_ptr->energy_need = 0;
1124
1125                 /* Go back to the ordinary map */
1126                 creature_ptr->wild_mode = FALSE;
1127                 creature_ptr->leaving = TRUE;
1128                 return TRUE;
1129         }
1130
1131         bool have_pet = FALSE;
1132         for (int i = 1; i < creature_ptr->current_floor_ptr->m_max; i++)
1133         {
1134                 monster_type *m_ptr = &creature_ptr->current_floor_ptr->m_list[i];
1135
1136                 if (!monster_is_valid(m_ptr)) continue;
1137                 if (is_pet(m_ptr) && i != creature_ptr->riding) have_pet = TRUE;
1138                 if (MON_CSLEEP(m_ptr)) continue;
1139                 if (m_ptr->cdis > MAX_SIGHT) continue;
1140                 if (!is_hostile(m_ptr)) continue;
1141                 msg_print(_("敵がすぐ近くにいるときは広域マップに入れない！",
1142                         "You cannot enter global map, since there is some monsters nearby!"));
1143                 free_turn(creature_ptr);
1144                 return FALSE;
1145         }
1146
1147         if (have_pet)
1148         {
1149                 concptr msg = _("ペットを置いて広域マップに入りますか？",
1150                         "Do you leave your pets behind? ");
1151
1152                 if (!get_check_strict(msg, CHECK_OKAY_CANCEL))
1153                 {
1154                         free_turn(creature_ptr);
1155                         return FALSE;
1156                 }
1157         }
1158
1159         take_turn(creature_ptr, 1000);
1160
1161         /* Remember the position */
1162         creature_ptr->oldpx = creature_ptr->x;
1163         creature_ptr->oldpy = creature_ptr->y;
1164
1165         /* Cancel hex spelling */
1166         if (hex_spelling_any(creature_ptr)) stop_hex_spell_all(creature_ptr);
1167
1168         /* Cancel any special action */
1169         set_action(creature_ptr, ACTION_NONE);
1170
1171         /* Go into the global map */
1172         creature_ptr->wild_mode = TRUE;
1173         creature_ptr->leaving = TRUE;
1174         return TRUE;
1175 }