src/room/treasure-deployment.cpp

   1 /*!
   2  * @brief 部屋にアイテム・モンスター・罠を配置する処理
   3  * @date 2020/07/24
   4  * @author Hourier
   5  */
   6
   7 #include "room/treasure-deployment.h"
   8 #include "floor/cave.h"
   9 #include "floor/geometry.h"
  10 #include "grid/feature-flag-types.h"
  11 #include "grid/object-placer.h"
  12 #include "grid/trap.h"
  13 #include "monster-floor/monster-generator.h"
  14 #include "monster-floor/place-monster-types.h"
  15 #include "object-enchant/item-apply-magic.h"
  16 #include "system/floor-type-definition.h"
  17 #include "system/grid-type-definition.h"
  18 #include "system/player-type-definition.h"
  19
  20 /*
  21  * Routine that fills the empty areas of a room with treasure and monsters.
  22  */
  23 void fill_treasure(PlayerType *player_ptr, POSITION x1, POSITION x2, POSITION y1, POSITION y2, int difficulty)
  24 {
  25     POSITION cx = (x1 + x2) / 2;
  26     POSITION cy = (y1 + y2) / 2;
  27     POSITION size = abs(x2 - x1) + abs(y2 - y1);
  28     auto *floor_ptr = player_ptr->current_floor_ptr;
  29     for (POSITION x = x1; x <= x2; x++) {
  30         for (POSITION y = y1; y <= y2; y++) {
  31             int32_t value = ((((int32_t)(distance(cx, cy, x, y))) * 100) / size) + randint1(10) - difficulty;
  32             if ((randint1(100) - difficulty * 3) > 50) {
  33                 value = 20;
  34             }
  35
  36             if (!floor_ptr->grid_array[y][x].is_floor() && (!cave_has_flag_bold(floor_ptr, y, x, FloorFeatureType::PLACE) || !cave_has_flag_bold(floor_ptr, y, x, FloorFeatureType::DROP))) {
  37                 continue;
  38             }
  39
  40             if (value < 0) {
  41                 floor_ptr->monster_level = floor_ptr->base_level + 40;
  42                 place_monster(player_ptr, y, x, PM_ALLOW_SLEEP | PM_ALLOW_GROUP);
  43                 floor_ptr->monster_level = floor_ptr->base_level;
  44                 floor_ptr->object_level = floor_ptr->base_level + 20;
  45                 place_object(player_ptr, y, x, AM_GOOD);
  46                 floor_ptr->object_level = floor_ptr->base_level;
  47             } else if (value < 5) {
  48                 floor_ptr->monster_level = floor_ptr->base_level + 20;
  49                 place_monster(player_ptr, y, x, PM_ALLOW_SLEEP | PM_ALLOW_GROUP);
  50                 floor_ptr->monster_level = floor_ptr->base_level;
  51                 floor_ptr->object_level = floor_ptr->base_level + 10;
  52                 place_object(player_ptr, y, x, AM_GOOD);
  53                 floor_ptr->object_level = floor_ptr->base_level;
  54             } else if (value < 10) {
  55                 floor_ptr->monster_level = floor_ptr->base_level + 9;
  56                 place_monster(player_ptr, y, x, PM_ALLOW_SLEEP | PM_ALLOW_GROUP);
  57                 floor_ptr->monster_level = floor_ptr->base_level;
  58             } else if (value < 17) {
  59             } else if (value < 23) {
  60                 if (randint0(100) < 25) {
  61                     place_object(player_ptr, y, x, 0L);
  62                 } else {
  63                     place_trap(player_ptr, y, x);
  64                 }
  65             } else if (value < 30) {
  66                 floor_ptr->monster_level = floor_ptr->base_level + 5;
  67                 place_monster(player_ptr, y, x, PM_ALLOW_SLEEP | PM_ALLOW_GROUP);
  68                 floor_ptr->monster_level = floor_ptr->base_level;
  69                 place_trap(player_ptr, y, x);
  70             } else if (value < 40) {
  71                 if (randint0(100) < 50) {
  72                     floor_ptr->monster_level = floor_ptr->base_level + 3;
  73                     place_monster(player_ptr, y, x, PM_ALLOW_SLEEP | PM_ALLOW_GROUP);
  74                     floor_ptr->monster_level = floor_ptr->base_level;
  75                 }
  76
  77                 if (randint0(100) < 50) {
  78                     floor_ptr->object_level = floor_ptr->base_level + 7;
  79                     place_object(player_ptr, y, x, 0L);
  80                     floor_ptr->object_level = floor_ptr->base_level;
  81                 }
  82             } else if (value < 50) {
  83                 place_trap(player_ptr, y, x);
  84             } else {
  85                 if (randint0(100) < 20) {
  86                     place_monster(player_ptr, y, x, PM_ALLOW_SLEEP | PM_ALLOW_GROUP);
  87                 } else if (randint0(100) < 50) {
  88                     place_trap(player_ptr, y, x);
  89                 } else if (randint0(100) < 50) {
  90                     place_object(player_ptr, y, x, 0L);
  91                 }
  92             }
  93         }
  94     }
  95 }