src/rooms-city.c

   1 #include "angband.h"
   2 #include "util.h"
   3
   4 #include "grid.h"
   5 #include "floor/floor.h"
   6 #include "floor/floor-generate.h"
   7 #include "rooms.h"
   8 #include "rooms-city.h"
   9 #include "market/store.h"
  10 #include "wild.h"
  11 #include "market/store-util.h"
  12
  13 /*
  14 * Precalculate buildings' location of underground arcade
  15 */
  16 static bool precalc_ugarcade(int town_hgt, int town_wid, int n)
  17 {
  18         POSITION i, y, x, center_y, center_x;
  19         int tmp, attempt = 10000;
  20         POSITION max_bldg_hgt = 3 * town_hgt / MAX_TOWN_HGT;
  21         POSITION max_bldg_wid = 5 * town_wid / MAX_TOWN_WID;
  22         ugbldg_type *cur_ugbldg;
  23         bool **ugarcade_used, abort;
  24
  25         /* Allocate "ugarcade_used" array (2-dimension) */
  26         C_MAKE(ugarcade_used, town_hgt, bool *);
  27         C_MAKE(*ugarcade_used, town_hgt * town_wid, bool);
  28         for (y = 1; y < town_hgt; y++) ugarcade_used[y] = *ugarcade_used + y * town_wid;
  29
  30         /* Calculate building locations */
  31         for (i = 0; i < n; i++)
  32         {
  33                 cur_ugbldg = &ugbldg[i];
  34                 (void)WIPE(cur_ugbldg, ugbldg_type);
  35
  36                 do
  37                 {
  38                         /* Find the "center" of the store */
  39                         center_y = rand_range(2, town_hgt - 3);
  40                         center_x = rand_range(2, town_wid - 3);
  41
  42                         /* Determine the store boundaries */
  43                         tmp = center_y - randint1(max_bldg_hgt);
  44                         cur_ugbldg->y0 = MAX(tmp, 1);
  45                         tmp = center_x - randint1(max_bldg_wid);
  46                         cur_ugbldg->x0 = MAX(tmp, 1);
  47                         tmp = center_y + randint1(max_bldg_hgt);
  48                         cur_ugbldg->y1 = MIN(tmp, town_hgt - 2);
  49                         tmp = center_x + randint1(max_bldg_wid);
  50                         cur_ugbldg->x1 = MIN(tmp, town_wid - 2);
  51
  52                         /* Scan this building's area */
  53                         for (abort = FALSE, y = cur_ugbldg->y0; (y <= cur_ugbldg->y1) && !abort; y++)
  54                         {
  55                                 for (x = cur_ugbldg->x0; x <= cur_ugbldg->x1; x++)
  56                                 {
  57                                         if (ugarcade_used[y][x])
  58                                         {
  59                                                 abort = TRUE;
  60                                                 break;
  61                                         }
  62                                 }
  63                         }
  64
  65                         attempt--;
  66                 } while (abort && attempt); /* Accept this building if no overlapping */
  67
  68                                                                         /* Failed to generate underground arcade */
  69                 if (!attempt) break;
  70
  71                 /*
  72                 * Mark to ugarcade_used[][] as "used"
  73                 * Note: Building-adjacent grids are included for preventing
  74                 * connected bulidings.
  75                 */
  76                 for (y = cur_ugbldg->y0 - 1; y <= cur_ugbldg->y1 + 1; y++)
  77                 {
  78                         for (x = cur_ugbldg->x0 - 1; x <= cur_ugbldg->x1 + 1; x++)
  79                         {
  80                                 ugarcade_used[y][x] = TRUE;
  81                         }
  82                 }
  83         }
  84
  85         /* Free "ugarcade_used" array (2-dimension) */
  86         C_KILL(*ugarcade_used, town_hgt * town_wid, bool);
  87         C_KILL(ugarcade_used, town_hgt, bool *);
  88
  89         /* If i < n, generation is not allowed */
  90         return i == n;
  91 }
  92
  93
  94 /*!
  95 * @brief タイプ16の部屋…地下都市生成のサブルーチン / Actually create buildings
  96 * @param player_ptr プレーヤーへの参照ポインタ
  97 * @return なし
  98 * @param ltcy 生成基準Y座標
  99 * @param ltcx 生成基準X座標
 100 * @param stotes[] 生成する店舗のリスト
 101 * @param n 生成する店舗の数
 102 * @note
 103 * Note: ltcy and ltcx indicate "left top corner".
 104 */
 105 static void build_stores(player_type *player_ptr, POSITION ltcy, POSITION ltcx, int stores[], int n)
 106 {
 107         int i;
 108         POSITION y, x;
 109         FEAT_IDX j;
 110         ugbldg_type *cur_ugbldg;
 111
 112         for (i = 0; i < n; i++)
 113         {
 114                 cur_ugbldg = &ugbldg[i];
 115
 116                 /* Generate new room */
 117                 generate_room_floor(player_ptr,
 118                         ltcy + cur_ugbldg->y0 - 2, ltcx + cur_ugbldg->x0 - 2,
 119                         ltcy + cur_ugbldg->y1 + 2, ltcx + cur_ugbldg->x1 + 2,
 120                         FALSE);
 121         }
 122
 123         for (i = 0; i < n; i++)
 124         {
 125                 cur_ugbldg = &ugbldg[i];
 126
 127                 /* Build an invulnerable rectangular building */
 128                 generate_fill_perm_bold(player_ptr,
 129                         ltcy + cur_ugbldg->y0, ltcx + cur_ugbldg->x0,
 130                         ltcy + cur_ugbldg->y1, ltcx + cur_ugbldg->x1);
 131
 132                 /* Pick a door direction (S,N,E,W) */
 133                 switch (randint0(4))
 134                 {
 135                         /* Bottom side */
 136                 case 0:
 137                         y = cur_ugbldg->y1;
 138                         x = rand_range(cur_ugbldg->x0, cur_ugbldg->x1);
 139                         break;
 140
 141                         /* Top side */
 142                 case 1:
 143                         y = cur_ugbldg->y0;
 144                         x = rand_range(cur_ugbldg->x0, cur_ugbldg->x1);
 145                         break;
 146
 147                         /* Right side */
 148                 case 2:
 149                         y = rand_range(cur_ugbldg->y0, cur_ugbldg->y1);
 150                         x = cur_ugbldg->x1;
 151                         break;
 152
 153                         /* Left side */
 154                 default:
 155                         y = rand_range(cur_ugbldg->y0, cur_ugbldg->y1);
 156                         x = cur_ugbldg->x0;
 157                         break;
 158                 }
 159
 160                 for (j = 0; j < max_f_idx; j++)
 161                 {
 162                         if (have_flag(f_info[j].flags, FF_STORE))
 163                         {
 164                                 if (f_info[j].subtype == stores[i]) break;
 165                         }
 166                 }
 167
 168                 /* Clear previous contents, add a store door */
 169                 if (j < max_f_idx)
 170                 {
 171                         cave_set_feat(player_ptr, ltcy + y, ltcx + x, j);
 172
 173                         /* Init store */
 174                         store_init(NO_TOWN, stores[i]);
 175                 }
 176         }
 177 }
 178
 179
 180 /*!
 181 * @brief タイプ16の部屋…地下都市の生成 / Type 16 -- Underground Arcade
 182 * @return なし
 183 * @details
 184 * Town logic flow for generation of new town\n
 185 * Originally from Vanilla 3.0.3\n
 186 *\n
 187 * We start with a fully wiped grids of normal floors.\n
 188 *\n
 189 * Note that town_gen_hack() plays games with the R.N.G.\n
 190 *\n
 191 * This function does NOT do anything about the owners of the stores,\n
 192 * nor the contents thereof.  It only handles the physical layout.\n
 193 */
 194 bool build_type16(player_type *player_ptr)
 195 {
 196         int stores[] =
 197         {
 198                 STORE_GENERAL, STORE_ARMOURY, STORE_WEAPON, STORE_TEMPLE,
 199                 STORE_ALCHEMIST, STORE_MAGIC, STORE_BLACK, STORE_BOOK,
 200         };
 201         int n = sizeof stores / sizeof(int);
 202         POSITION i, y, x, y1, x1, yval, xval;
 203         int town_hgt = rand_range(MIN_TOWN_HGT, MAX_TOWN_HGT);
 204         int town_wid = rand_range(MIN_TOWN_WID, MAX_TOWN_WID);
 205         bool prevent_bm = FALSE;
 206
 207         /* Hack -- If already exist black market, prevent building */
 208         floor_type *floor_ptr = player_ptr->current_floor_ptr;
 209         for (y = 0; (y < floor_ptr->height) && !prevent_bm; y++)
 210         {
 211                 for (x = 0; x < floor_ptr->width; x++)
 212                 {
 213                         if (floor_ptr->grid_array[y][x].feat == FF_STORE)
 214                         {
 215                                 prevent_bm = (f_info[floor_ptr->grid_array[y][x].feat].subtype == STORE_BLACK);
 216                                 break;
 217                         }
 218                 }
 219         }
 220         for (i = 0; i < n; i++)
 221         {
 222                 if ((stores[i] == STORE_BLACK) && prevent_bm) stores[i] = stores[--n];
 223         }
 224         if (!n) return FALSE;
 225
 226         /* Allocate buildings array */
 227         C_MAKE(ugbldg, n, ugbldg_type);
 228
 229         /* If cannot build stores, abort */
 230         if (!precalc_ugarcade(town_hgt, town_wid, n))
 231         {
 232                 /* Free buildings array */
 233                 C_KILL(ugbldg, n, ugbldg_type);
 234                 return FALSE;
 235         }
 236
 237         /* Find and reserve some space in the dungeon.  Get center of room. */
 238         if (!find_space(player_ptr, &yval, &xval, town_hgt + 4, town_wid + 4))
 239         {
 240                 /* Free buildings array */
 241                 C_KILL(ugbldg, n, ugbldg_type);
 242                 return FALSE;
 243         }
 244
 245         /* Get top left corner */
 246         y1 = yval - (town_hgt / 2);
 247         x1 = xval - (town_wid / 2);
 248
 249         /* Generate new room */
 250         generate_room_floor(player_ptr,
 251                 y1 + town_hgt / 3, x1 + town_wid / 3,
 252                 y1 + town_hgt * 2 / 3, x1 + town_wid * 2 / 3, FALSE);
 253
 254         /* Build stores */
 255         build_stores(player_ptr, y1, x1, stores, n);
 256
 257         msg_print_wizard(CHEAT_DUNGEON, _("地下街を生成しました", "Underground arcade was generated."));
 258
 259         /* Free buildings array */
 260         C_KILL(ugbldg, n, ugbldg_type);
 261
 262         return TRUE;
 263 }