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/grid.h"
  12 #include "grid/object-placer.h"
  13 #include "grid/trap.h"
  14 #include "monster-floor/monster-generator.h"
  15 #include "monster-floor/place-monster-types.h"
  16 #include "object-enchant/item-apply-magic.h"
  17 #include "system/floor-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(player_type *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     floor_type *floor_ptr = player_ptr->current_floor_ptr;
  29     for (POSITION x = x1; x <= x2; x++) {
  30         for (POSITION y = y1; y <= y2; y++) {
  31             s32b value = ((((s32b)(distance(cx, cy, x, y))) * 100) / size) + randint1(10) - difficulty;
  32             if ((randint1(100) - difficulty * 3) > 50)
  33                 value = 20;
  34
  35             if (!is_floor_bold(floor_ptr, y, x) && (!cave_has_flag_bold(floor_ptr, y, x, FF_PLACE) || !cave_has_flag_bold(floor_ptr, y, x, FF_DROP)))
  36                 continue;
  37
  38             if (value < 0) {
  39                 floor_ptr->monster_level = floor_ptr->base_level + 40;
  40                 place_monster(player_ptr, y, x, PM_ALLOW_SLEEP | PM_ALLOW_GROUP);
  41                 floor_ptr->monster_level = floor_ptr->base_level;
  42                 floor_ptr->object_level = floor_ptr->base_level + 20;
  43                 place_object(player_ptr, y, x, AM_GOOD);
  44                 floor_ptr->object_level = floor_ptr->base_level;
  45             } else if (value < 5) {
  46                 floor_ptr->monster_level = floor_ptr->base_level + 20;
  47                 place_monster(player_ptr, y, x, PM_ALLOW_SLEEP | PM_ALLOW_GROUP);
  48                 floor_ptr->monster_level = floor_ptr->base_level;
  49                 floor_ptr->object_level = floor_ptr->base_level + 10;
  50                 place_object(player_ptr, y, x, AM_GOOD);
  51                 floor_ptr->object_level = floor_ptr->base_level;
  52             } else if (value < 10) {
  53                 floor_ptr->monster_level = floor_ptr->base_level + 9;
  54                 place_monster(player_ptr, y, x, PM_ALLOW_SLEEP | PM_ALLOW_GROUP);
  55                 floor_ptr->monster_level = floor_ptr->base_level;
  56             } else if (value < 17) {
  57             } else if (value < 23) {
  58                 if (randint0(100) < 25) {
  59                     place_object(player_ptr, y, x, 0L);
  60                 } else {
  61                     place_trap(player_ptr, y, x);
  62                 }
  63             } else if (value < 30) {
  64                 floor_ptr->monster_level = floor_ptr->base_level + 5;
  65                 place_monster(player_ptr, y, x, PM_ALLOW_SLEEP | PM_ALLOW_GROUP);
  66                 floor_ptr->monster_level = floor_ptr->base_level;
  67                 place_trap(player_ptr, y, x);
  68             } else if (value < 40) {
  69                 if (randint0(100) < 50) {
  70                     floor_ptr->monster_level = floor_ptr->base_level + 3;
  71                     place_monster(player_ptr, y, x, PM_ALLOW_SLEEP | PM_ALLOW_GROUP);
  72                     floor_ptr->monster_level = floor_ptr->base_level;
  73                 }
  74
  75                 if (randint0(100) < 50) {
  76                     floor_ptr->object_level = floor_ptr->base_level + 7;
  77                     place_object(player_ptr, y, x, 0L);
  78                     floor_ptr->object_level = floor_ptr->base_level;
  79                 }
  80             } else if (value < 50) {
  81                 place_trap(player_ptr, y, x);
  82             } else {
  83                 if (randint0(100) < 20) {
  84                     place_monster(player_ptr, y, x, PM_ALLOW_SLEEP | PM_ALLOW_GROUP);
  85                 } else if (randint0(100) < 50) {
  86                     place_trap(player_ptr, y, x);
  87                 } else if (randint0(100) < 50) {
  88                     place_object(player_ptr, y, x, 0L);
  89                 }
  90             }
  91         }
  92     }
  93 }