src/dungeon/quest-monster-placer.cpp

   1 #include "dungeon/quest-monster-placer.h"
   2 #include "dungeon/quest.h"
   3 #include "floor/floor-generator-util.h"
   4 #include "floor/geometry.h"
   5 #include "monster-floor/monster-generator.h"
   6 #include "monster-floor/place-monster-types.h"
   7 #include "monster-race/monster-race.h"
   8 #include "monster-race/race-flags1.h"
   9 #include "monster/monster-info.h"
  10 #include "system/floor-type-definition.h"
  11 #include "system/grid-type-definition.h"
  12 #include "system/monster-race-info.h"
  13 #include "system/player-type-definition.h"
  14 #include "system/terrain-type-definition.h"
  15 #include "util/bit-flags-calculator.h"
  16
  17 /*!
  18  * @brief クエストに関わるモンスターの配置を行う / Place quest monsters
  19  * @param player_ptr プレイヤーへの参照ポインタ
  20  * @return 成功したならばTRUEを返す
  21  */
  22 bool place_quest_monsters(PlayerType *player_ptr)
  23 {
  24     auto *floor_ptr = player_ptr->current_floor_ptr;
  25     const auto &quest_list = QuestList::get_instance();
  26     for (const auto &[q_idx, quest] : quest_list) {
  27         MonsterRaceInfo *r_ptr;
  28         BIT_FLAGS mode;
  29
  30         auto no_quest_monsters = quest.status != QuestStatusType::TAKEN;
  31         no_quest_monsters |= (quest.type != QuestKindType::KILL_LEVEL && quest.type != QuestKindType::RANDOM);
  32         no_quest_monsters |= quest.level != floor_ptr->dun_level;
  33         no_quest_monsters |= floor_ptr->dungeon_idx != quest.dungeon;
  34         no_quest_monsters |= any_bits(quest.flags, QUEST_FLAG_PRESET);
  35
  36         if (no_quest_monsters) {
  37             continue;
  38         }
  39
  40         r_ptr = &monraces_info[quest.r_idx];
  41         if (r_ptr->kind_flags.has(MonsterKindType::UNIQUE) && (r_ptr->cur_num >= r_ptr->max_num)) {
  42             continue;
  43         }
  44
  45         mode = PM_NO_KAGE | PM_NO_PET;
  46         if (!(r_ptr->flags1 & RF1_FRIENDS)) {
  47             mode |= PM_ALLOW_GROUP;
  48         }
  49
  50         for (int j = 0; j < (quest.max_num - quest.cur_num); j++) {
  51             int k;
  52             for (k = 0; k < SAFE_MAX_ATTEMPTS; k++) {
  53                 POSITION x = 0;
  54                 POSITION y = 0;
  55                 int l;
  56                 for (l = SAFE_MAX_ATTEMPTS; l > 0; l--) {
  57                     y = randint0(floor_ptr->height);
  58                     x = randint0(floor_ptr->width);
  59                     const auto &grid = floor_ptr->get_grid({ y, x });
  60                     const auto &terrain = grid.get_terrain();
  61                     if (terrain.flags.has_none_of({ TerrainCharacteristics::MOVE, TerrainCharacteristics::CAN_FLY })) {
  62                         continue;
  63                     }
  64
  65                     if (!monster_can_enter(player_ptr, y, x, r_ptr, 0)) {
  66                         continue;
  67                     }
  68
  69                     if (distance(y, x, player_ptr->y, player_ptr->x) < 10) {
  70                         continue;
  71                     }
  72
  73                     if (grid.is_icky()) {
  74                         continue;
  75                     } else {
  76                         break;
  77                     }
  78                 }
  79
  80                 if (l == 0) {
  81                     return false;
  82                 }
  83
  84                 if (place_specific_monster(player_ptr, 0, y, x, quest.r_idx, mode)) {
  85                     break;
  86                 } else {
  87                     continue;
  88                 }
  89             }
  90
  91             if (k == SAFE_MAX_ATTEMPTS) {
  92                 return false;
  93             }
  94         }
  95     }
  96
  97     return true;
  98 }