src/floor/floor-leaver.c

   1 #include "floor/floor-leaver.h"
   2 #include "cmd-building/cmd-building.h"
   3 #include "dungeon/dungeon.h"
   4 #include "dungeon/quest.h"
   5 #include "floor/cave.h"
   6 #include "floor/floor-events.h"
   7 #include "floor/floor-mode-changer.h"
   8 #include "floor/floor-save-util.h"
   9 #include "floor/floor-save.h"
  10 #include "floor/line-of-sight.h"
  11 #include "game-option/birth-options.h"
  12 #include "game-option/play-record-options.h"
  13 #include "grid/feature.h"
  14 #include "inventory/inventory-slot-types.h"
  15 #include "io/write-diary.h"
  16 #include "mind/mind-mirror-master.h"
  17 #include "mind/mind-ninja.h"
  18 #include "monster-floor/monster-lite.h"
  19 #include "monster-floor/monster-remover.h"
  20 #include "monster-race/monster-race.h"
  21 #include "monster-race/race-flags1.h"
  22 #include "monster-race/race-flags7.h"
  23 #include "monster/monster-describer.h"
  24 #include "monster/monster-description-types.h"
  25 #include "monster/monster-info.h"
  26 #include "monster/monster-status.h"
  27 #include "object-hook/hook-checker.h"
  28 #include "object-hook/hook-enchant.h"
  29 #include "pet/pet-util.h"
  30 #include "player/special-defense-types.h"
  31 #include "save/floor-writer.h"
  32 #include "system/artifact-type-definition.h"
  33 #include "system/floor-type-definition.h"
  34 #include "system/monster-type-definition.h"
  35 #include "target/projection-path-calculator.h"
  36 #include "util/bit-flags-calculator.h"
  37 #include "view/display-messages.h"
  38 #include "world/world.h"
  39
  40 static void check_riding_preservation(player_type *master_ptr)
  41 {
  42     if (!master_ptr->riding)
  43         return;
  44
  45     monster_type *m_ptr = &master_ptr->current_floor_ptr->m_list[master_ptr->riding];
  46     if (m_ptr->parent_m_idx) {
  47         master_ptr->riding = 0;
  48         master_ptr->pet_extra_flags &= ~(PF_TWO_HANDS);
  49         master_ptr->riding_ryoute = master_ptr->old_riding_ryoute = FALSE;
  50     } else {
  51         (void)COPY(&party_mon[0], m_ptr, monster_type);
  52         delete_monster_idx(master_ptr, master_ptr->riding);
  53     }
  54 }
  55
  56 static bool check_pet_preservation_conditions(player_type *master_ptr, monster_type *m_ptr)
  57 {
  58     if (reinit_wilderness)
  59         return FALSE;
  60
  61     POSITION dis = distance(master_ptr->y, master_ptr->x, m_ptr->fy, m_ptr->fx);
  62     if (monster_confused_remaining(m_ptr) || monster_stunned_remaining(m_ptr) || monster_csleep_remaining(m_ptr) || (m_ptr->parent_m_idx != 0))
  63         return TRUE;
  64
  65     if (m_ptr->nickname
  66         && ((player_has_los_bold(master_ptr, m_ptr->fy, m_ptr->fx) && projectable(master_ptr, master_ptr->y, master_ptr->x, m_ptr->fy, m_ptr->fx))
  67             || (los(master_ptr, m_ptr->fy, m_ptr->fx, master_ptr->y, master_ptr->x)
  68                 && projectable(master_ptr, m_ptr->fy, m_ptr->fx, master_ptr->y, master_ptr->x)))) {
  69         if (dis > 3)
  70             return TRUE;
  71     } else if (dis > 1)
  72         return TRUE;
  73
  74     return FALSE;
  75 }
  76
  77 static void sweep_preserving_pet(player_type *master_ptr)
  78 {
  79     if (master_ptr->wild_mode || master_ptr->current_floor_ptr->inside_arena || master_ptr->phase_out)
  80         return;
  81
  82     for (MONSTER_IDX i = master_ptr->current_floor_ptr->m_max - 1, party_monster_num = 1; (i >= 1) && (party_monster_num < MAX_PARTY_MON); i--) {
  83         monster_type *m_ptr = &master_ptr->current_floor_ptr->m_list[i];
  84         if (!monster_is_valid(m_ptr) || !is_pet(m_ptr) || (i == master_ptr->riding) || check_pet_preservation_conditions(master_ptr, m_ptr))
  85             continue;
  86
  87         (void)COPY(&party_mon[party_monster_num], &master_ptr->current_floor_ptr->m_list[i], monster_type);
  88         party_monster_num++;
  89         delete_monster_idx(master_ptr, i);
  90     }
  91 }
  92
  93 static void record_pet_diary(player_type *master_ptr)
  94 {
  95     if (!record_named_pet)
  96         return;
  97
  98     for (MONSTER_IDX i = master_ptr->current_floor_ptr->m_max - 1; i >= 1; i--) {
  99         monster_type *m_ptr = &master_ptr->current_floor_ptr->m_list[i];
 100         GAME_TEXT m_name[MAX_NLEN];
 101         if (!monster_is_valid(m_ptr) || !is_pet(m_ptr) || !m_ptr->nickname || (master_ptr->riding == i))
 102             continue;
 103
 104         monster_desc(master_ptr, m_name, m_ptr, MD_ASSUME_VISIBLE | MD_INDEF_VISIBLE);
 105         exe_write_diary(master_ptr, DIARY_NAMED_PET, RECORD_NAMED_PET_MOVED, m_name);
 106     }
 107 }
 108
 109 /*!
 110  * @brief フロア移動時のペット保存処理 / Preserve_pets
 111  * @param master_ptr プレーヤーへの参照ポインタ
 112  * @return なし
 113  */
 114 static void preserve_pet(player_type *master_ptr)
 115 {
 116     for (MONSTER_IDX party_monster_num = 0; party_monster_num < MAX_PARTY_MON; party_monster_num++)
 117         party_mon[party_monster_num].r_idx = 0;
 118
 119     check_riding_preservation(master_ptr);
 120     sweep_preserving_pet(master_ptr);
 121     record_pet_diary(master_ptr);
 122     for (MONSTER_IDX i = master_ptr->current_floor_ptr->m_max - 1; i >= 1; i--) {
 123         monster_type *m_ptr = &master_ptr->current_floor_ptr->m_list[i];
 124         if ((m_ptr->parent_m_idx == 0) || (master_ptr->current_floor_ptr->m_list[m_ptr->parent_m_idx].r_idx != 0))
 125             continue;
 126
 127         if (is_seen(master_ptr, m_ptr)) {
 128             GAME_TEXT m_name[MAX_NLEN];
 129             monster_desc(master_ptr, m_name, m_ptr, 0);
 130             msg_format(_("%sは消え去った！", "%^s disappears!"), m_name);
 131         }
 132
 133         delete_monster_idx(master_ptr, i);
 134     }
 135 }
 136
 137 /*!
 138  * @brief 新フロアに移動元フロアに繋がる階段を配置する / Virtually teleport onto the stairs that is connecting between two floors.
 139  * @param sf_ptr 移動元の保存フロア構造体参照ポインタ
 140  * @return なし
 141  */
 142 static void locate_connected_stairs(player_type *creature_ptr, floor_type *floor_ptr, saved_floor_type *sf_ptr, BIT_FLAGS floor_mode)
 143 {
 144     POSITION sx = 0;
 145     POSITION sy = 0;
 146     POSITION x_table[20];
 147     POSITION y_table[20];
 148     int num = 0;
 149     for (POSITION y = 0; y < floor_ptr->height; y++) {
 150         for (POSITION x = 0; x < floor_ptr->width; x++) {
 151             grid_type *g_ptr = &floor_ptr->grid_array[y][x];
 152             feature_type *f_ptr = &f_info[g_ptr->feat];
 153             bool ok = FALSE;
 154             if (floor_mode & CFM_UP) {
 155                 if (has_flag(f_ptr->flags, FF_LESS) && has_flag(f_ptr->flags, FF_STAIRS) && !has_flag(f_ptr->flags, FF_SPECIAL)) {
 156                     ok = TRUE;
 157                     if (g_ptr->special && g_ptr->special == sf_ptr->upper_floor_id) {
 158                         sx = x;
 159                         sy = y;
 160                     }
 161                 }
 162             } else if (floor_mode & CFM_DOWN) {
 163                 if (has_flag(f_ptr->flags, FF_MORE) && has_flag(f_ptr->flags, FF_STAIRS) && !has_flag(f_ptr->flags, FF_SPECIAL)) {
 164                     ok = TRUE;
 165                     if (g_ptr->special && g_ptr->special == sf_ptr->lower_floor_id) {
 166                         sx = x;
 167                         sy = y;
 168                     }
 169                 }
 170             } else {
 171                 if (has_flag(f_ptr->flags, FF_BLDG)) {
 172                     ok = TRUE;
 173                 }
 174             }
 175
 176             if (ok && (num < 20)) {
 177                 x_table[num] = x;
 178                 y_table[num] = y;
 179                 num++;
 180             }
 181         }
 182     }
 183
 184     if (sx) {
 185         creature_ptr->y = sy;
 186         creature_ptr->x = sx;
 187         return;
 188     }
 189
 190     if (num == 0) {
 191         prepare_change_floor_mode(creature_ptr, CFM_RAND_PLACE | CFM_NO_RETURN);
 192         if (!feat_uses_special(floor_ptr->grid_array[creature_ptr->y][creature_ptr->x].feat))
 193             floor_ptr->grid_array[creature_ptr->y][creature_ptr->x].special = 0;
 194
 195         return;
 196     }
 197
 198     int i = randint0(num);
 199     creature_ptr->y = y_table[i];
 200     creature_ptr->x = x_table[i];
 201 }
 202
 203 /*!
 204  * @brief フロア移動時、プレイヤーの移動先モンスターが既にいた場合ランダムな近隣に移動させる / When a monster is at a place where player will return,
 205  * @return なし
 206  */
 207 static void get_out_monster(player_type *protected_ptr)
 208 {
 209     int tries = 0;
 210     POSITION dis = 1;
 211     POSITION oy = protected_ptr->y;
 212     POSITION ox = protected_ptr->x;
 213     floor_type *floor_ptr = protected_ptr->current_floor_ptr;
 214     MONSTER_IDX m_idx = floor_ptr->grid_array[oy][ox].m_idx;
 215     if (m_idx == 0)
 216         return;
 217
 218     while (TRUE) {
 219         monster_type *m_ptr;
 220         POSITION ny = rand_spread(oy, dis);
 221         POSITION nx = rand_spread(ox, dis);
 222         tries++;
 223         if (tries > 10000)
 224             return;
 225
 226         if (tries > 20 * dis * dis)
 227             dis++;
 228
 229         if (!in_bounds(floor_ptr, ny, nx) || !is_cave_empty_bold(protected_ptr, ny, nx) || is_glyph_grid(&floor_ptr->grid_array[ny][nx])
 230             || is_explosive_rune_grid(&floor_ptr->grid_array[ny][nx]) || pattern_tile(floor_ptr, ny, nx))
 231             continue;
 232
 233         m_ptr = &floor_ptr->m_list[m_idx];
 234         floor_ptr->grid_array[oy][ox].m_idx = 0;
 235         floor_ptr->grid_array[ny][nx].m_idx = m_idx;
 236         m_ptr->fy = ny;
 237         m_ptr->fx = nx;
 238         return;
 239     }
 240 }
 241
 242 /*!
 243  * @brief クエスト・フロア内のモンスター・インベントリ情報を保存する
 244  * @param creature_ptr プレーヤーへの参照ポインタ
 245  * @return なし
 246  */
 247 static void preserve_info(player_type *creature_ptr)
 248 {
 249     MONRACE_IDX quest_r_idx = 0;
 250     for (DUNGEON_IDX i = 0; i < max_q_idx; i++) {
 251         if ((quest[i].status == QUEST_STATUS_TAKEN) && ((quest[i].type == QUEST_TYPE_KILL_LEVEL) || (quest[i].type == QUEST_TYPE_RANDOM))
 252             && (quest[i].level == creature_ptr->current_floor_ptr->dun_level) && (creature_ptr->dungeon_idx == quest[i].dungeon)
 253             && !(quest[i].flags & QUEST_FLAG_PRESET)) {
 254             quest_r_idx = quest[i].r_idx;
 255         }
 256     }
 257
 258     for (DUNGEON_IDX i = 1; i < creature_ptr->current_floor_ptr->m_max; i++) {
 259         monster_race *r_ptr;
 260         monster_type *m_ptr = &creature_ptr->current_floor_ptr->m_list[i];
 261         if (!monster_is_valid(m_ptr) || (quest_r_idx != m_ptr->r_idx))
 262             continue;
 263
 264         r_ptr = real_r_ptr(m_ptr);
 265         if ((r_ptr->flags1 & RF1_UNIQUE) || (r_ptr->flags7 & RF7_NAZGUL))
 266             continue;
 267
 268         delete_monster_idx(creature_ptr, i);
 269     }
 270
 271     for (DUNGEON_IDX i = 0; i < INVEN_PACK; i++) {
 272         object_type *o_ptr = &creature_ptr->inventory_list[i];
 273         if (!object_is_valid(o_ptr))
 274             continue;
 275
 276         if (object_is_fixed_artifact(o_ptr))
 277             a_info[o_ptr->name1].floor_id = 0;
 278     }
 279 }
 280
 281 static void set_grid_by_leaving_floor(player_type *creature_ptr, grid_type **g_ptr)
 282 {
 283     if ((creature_ptr->change_floor_mode & CFM_SAVE_FLOORS) == 0)
 284         return;
 285
 286     *g_ptr = &creature_ptr->current_floor_ptr->grid_array[creature_ptr->y][creature_ptr->x];
 287     feature_type *f_ptr =  &f_info[(*g_ptr)->feat];
 288     if ((*g_ptr)->special && !has_flag(f_ptr->flags, FF_SPECIAL) && get_sf_ptr((*g_ptr)->special))
 289         new_floor_id = (*g_ptr)->special;
 290
 291     if (has_flag(f_ptr->flags, FF_STAIRS) && has_flag(f_ptr->flags, FF_SHAFT))
 292         prepare_change_floor_mode(creature_ptr, CFM_SHAFT);
 293 }
 294
 295 static void jump_floors(player_type *creature_ptr)
 296 {
 297     if ((creature_ptr->change_floor_mode & (CFM_DOWN | CFM_UP)) == 0)
 298         return;
 299
 300     int move_num = 0;
 301     if (creature_ptr->change_floor_mode & CFM_DOWN)
 302         move_num = 1;
 303     else if (creature_ptr->change_floor_mode & CFM_UP)
 304         move_num = -1;
 305
 306     if (creature_ptr->change_floor_mode & CFM_SHAFT)
 307         move_num += SGN(move_num);
 308
 309     if (creature_ptr->change_floor_mode & CFM_DOWN) {
 310         if (!creature_ptr->current_floor_ptr->dun_level)
 311             move_num = d_info[creature_ptr->dungeon_idx].mindepth;
 312     } else if (creature_ptr->change_floor_mode & CFM_UP) {
 313         if (creature_ptr->current_floor_ptr->dun_level + move_num < d_info[creature_ptr->dungeon_idx].mindepth)
 314             move_num = -creature_ptr->current_floor_ptr->dun_level;
 315     }
 316
 317     creature_ptr->current_floor_ptr->dun_level += move_num;
 318 }
 319
 320 static void exit_to_wilderness(player_type *creature_ptr)
 321 {
 322     if ((creature_ptr->current_floor_ptr->dun_level != 0) || (creature_ptr->dungeon_idx == 0))
 323         return;
 324
 325     creature_ptr->leaving_dungeon = TRUE;
 326     if (!vanilla_town && !lite_town) {
 327         creature_ptr->wilderness_y = d_info[creature_ptr->dungeon_idx].dy;
 328         creature_ptr->wilderness_x = d_info[creature_ptr->dungeon_idx].dx;
 329     }
 330
 331     creature_ptr->recall_dungeon = creature_ptr->dungeon_idx;
 332     creature_ptr->dungeon_idx = 0;
 333     creature_ptr->change_floor_mode &= ~CFM_SAVE_FLOORS; // TODO
 334 }
 335
 336 static void kill_saved_floors(player_type *creature_ptr, saved_floor_type *sf_ptr)
 337 {
 338     if (!(creature_ptr->change_floor_mode & CFM_SAVE_FLOORS)) {
 339         for (DUNGEON_IDX i = 0; i < MAX_SAVED_FLOORS; i++)
 340             kill_saved_floor(creature_ptr, &saved_floors[i]);
 341
 342         latest_visit_mark = 1;
 343         return;
 344     }
 345
 346     if (creature_ptr->change_floor_mode & CFM_NO_RETURN)
 347         kill_saved_floor(creature_ptr, sf_ptr);
 348 }
 349
 350 static void refresh_new_floor_id(player_type *creature_ptr, grid_type *g_ptr)
 351 {
 352     if (new_floor_id != 0)
 353         return;
 354
 355     new_floor_id = get_new_floor_id(creature_ptr);
 356     if ((g_ptr != NULL) && !feat_uses_special(g_ptr->feat))
 357         g_ptr->special = new_floor_id;
 358 }
 359
 360 static void update_upper_lower_or_floor_id(player_type *creature_ptr, saved_floor_type *sf_ptr)
 361 {
 362     if ((creature_ptr->change_floor_mode & CFM_RAND_CONNECT) == 0)
 363         return;
 364
 365     if (creature_ptr->change_floor_mode & CFM_UP)
 366         sf_ptr->upper_floor_id = new_floor_id;
 367     else if (creature_ptr->change_floor_mode & CFM_DOWN)
 368         sf_ptr->lower_floor_id = new_floor_id;
 369 }
 370
 371 static void exe_leave_floor(player_type *creature_ptr, saved_floor_type *sf_ptr)
 372 {
 373     grid_type *g_ptr = NULL;
 374     set_grid_by_leaving_floor(creature_ptr, &g_ptr);
 375     jump_floors(creature_ptr);
 376     exit_to_wilderness(creature_ptr);
 377     kill_saved_floors(creature_ptr, sf_ptr);
 378     if (creature_ptr->floor_id == 0)
 379         return;
 380
 381     refresh_new_floor_id(creature_ptr, g_ptr);
 382     update_upper_lower_or_floor_id(creature_ptr, sf_ptr);
 383     if (((creature_ptr->change_floor_mode & CFM_SAVE_FLOORS) == 0) || ((creature_ptr->change_floor_mode & CFM_NO_RETURN) != 0))
 384         return;
 385
 386     get_out_monster(creature_ptr);
 387     sf_ptr->last_visit = current_world_ptr->game_turn;
 388     forget_lite(creature_ptr->current_floor_ptr);
 389     forget_view(creature_ptr->current_floor_ptr);
 390     clear_mon_lite(creature_ptr->current_floor_ptr);
 391     if (save_floor(creature_ptr, sf_ptr, 0))
 392         return;
 393
 394     prepare_change_floor_mode(creature_ptr, CFM_NO_RETURN);
 395     kill_saved_floor(creature_ptr, get_sf_ptr(creature_ptr->floor_id));
 396 }
 397
 398 /*!
 399  * @brief 現在のフロアを離れるに伴って行なわれる保存処理
 400  * / Maintain quest monsters, mark next floor_id at stairs, save current floor, and prepare to enter next floor.
 401  * @param creature_ptr プレーヤーへの参照ポインタ
 402  * @return なし
 403  */
 404 void leave_floor(player_type *creature_ptr)
 405 {
 406     preserve_pet(creature_ptr);
 407     remove_all_mirrors(creature_ptr, FALSE);
 408     if (creature_ptr->special_defense & NINJA_S_STEALTH)
 409         set_superstealth(creature_ptr, FALSE);
 410
 411     new_floor_id = 0;
 412     FLOOR_IDX tmp_floor_idx = 0;
 413     if (!creature_ptr->floor_id && (creature_ptr->change_floor_mode & CFM_SAVE_FLOORS) && !(creature_ptr->change_floor_mode & CFM_NO_RETURN))
 414         tmp_floor_idx = get_new_floor_id(creature_ptr);
 415
 416     preserve_info(creature_ptr);
 417     saved_floor_type *sf_ptr = get_sf_ptr(creature_ptr->floor_id);
 418     if ((creature_ptr->change_floor_mode & CFM_RAND_CONNECT) && tmp_floor_idx)
 419         locate_connected_stairs(creature_ptr, creature_ptr->current_floor_ptr, sf_ptr, creature_ptr->change_floor_mode);
 420
 421     exe_leave_floor(creature_ptr, sf_ptr);
 422 }