src/spell-kind/spells-fetcher.cpp

   1 #include "spell-kind/spells-fetcher.h"
   2 #include "core/player-redraw-types.h"
   3 #include "core/player-update-types.h"
   4 #include "core/stuff-handler.h"
   5 #include "flavor/flavor-describer.h"
   6 #include "flavor/object-flavor-types.h"
   7 #include "floor/cave.h"
   8 #include "floor/geometry.h"
   9 #include "grid/feature-flag-types.h"
  10 #include "grid/grid.h"
  11 #include "monster-race/monster-race.h"
  12 #include "monster-race/race-flags7.h"
  13 #include "monster/monster-describer.h"
  14 #include "monster/monster-status-setter.h"
  15 #include "monster/monster-update.h"
  16 #include "system/floor-type-definition.h"
  17 #include "system/grid-type-definition.h"
  18 #include "system/item-entity.h"
  19 #include "system/monster-race-info.h"
  20 #include "system/monster-type-definition.h"
  21 #include "system/player-type-definition.h"
  22 #include "target/projection-path-calculator.h"
  23 #include "target/target-checker.h"
  24 #include "target/target-setter.h"
  25 #include "target/target-types.h"
  26 #include "timed-effect/player-hallucination.h"
  27 #include "timed-effect/timed-effects.h"
  28 #include "util/bit-flags-calculator.h"
  29 #include "view/display-messages.h"
  30
  31 /*!
  32  * @brief アイテム引き寄せ処理 /
  33  * Fetch an item (teleport it right underneath the caster)
  34  * @param player_ptr プレイヤーへの参照ポインタ
  35  * @param dir 魔法の発動方向
  36  * @param wgt 許容重量
  37  * @param require_los 射線の通りを要求するならばTRUE
  38  */
  39 void fetch_item(PlayerType *player_ptr, DIRECTION dir, WEIGHT wgt, bool require_los)
  40 {
  41     grid_type *g_ptr;
  42     ItemEntity *o_ptr;
  43     GAME_TEXT o_name[MAX_NLEN];
  44
  45     if (!player_ptr->current_floor_ptr->grid_array[player_ptr->y][player_ptr->x].o_idx_list.empty()) {
  46         msg_print(_("自分の足の下にある物は取れません。", "You can't fetch when you're already standing on something."));
  47         return;
  48     }
  49
  50     POSITION ty, tx;
  51     if (dir == 5 && target_okay(player_ptr)) {
  52         tx = target_col;
  53         ty = target_row;
  54
  55         if (distance(player_ptr->y, player_ptr->x, ty, tx) > get_max_range(player_ptr)) {
  56             msg_print(_("そんなに遠くにある物は取れません！", "You can't fetch something that far away!"));
  57             return;
  58         }
  59
  60         g_ptr = &player_ptr->current_floor_ptr->grid_array[ty][tx];
  61         if (g_ptr->o_idx_list.empty()) {
  62             msg_print(_("そこには何もありません。", "There is no object there."));
  63             return;
  64         }
  65
  66         if (g_ptr->is_icky()) {
  67             msg_print(_("アイテムがコントロールを外れて落ちた。", "The item slips from your control."));
  68             return;
  69         }
  70
  71         if (require_los) {
  72             if (!player_has_los_bold(player_ptr, ty, tx)) {
  73                 msg_print(_("そこはあなたの視界に入っていません。", "You have no direct line of sight to that location."));
  74                 return;
  75             } else if (!projectable(player_ptr, player_ptr->y, player_ptr->x, ty, tx)) {
  76                 msg_print(_("そこは壁の向こうです。", "You have no direct line of sight to that location."));
  77                 return;
  78             }
  79         }
  80     } else {
  81         ty = player_ptr->y;
  82         tx = player_ptr->x;
  83         bool is_first_loop = true;
  84         g_ptr = &player_ptr->current_floor_ptr->grid_array[ty][tx];
  85         while (is_first_loop || g_ptr->o_idx_list.empty()) {
  86             is_first_loop = false;
  87             ty += ddy[dir];
  88             tx += ddx[dir];
  89             g_ptr = &player_ptr->current_floor_ptr->grid_array[ty][tx];
  90
  91             if ((distance(player_ptr->y, player_ptr->x, ty, tx) > get_max_range(player_ptr)) || !cave_has_flag_bold(player_ptr->current_floor_ptr, ty, tx, TerrainCharacteristics::PROJECT)) {
  92                 return;
  93             }
  94         }
  95     }
  96
  97     o_ptr = &player_ptr->current_floor_ptr->o_list[g_ptr->o_idx_list.front()];
  98     if (o_ptr->weight > wgt) {
  99         msg_print(_("そのアイテムは重過ぎます。", "The object is too heavy."));
 100         return;
 101     }
 102
 103     OBJECT_IDX i = g_ptr->o_idx_list.front();
 104     g_ptr->o_idx_list.pop_front();
 105     player_ptr->current_floor_ptr->grid_array[player_ptr->y][player_ptr->x].o_idx_list.add(player_ptr->current_floor_ptr, i); /* 'move' it */
 106
 107     o_ptr->iy = player_ptr->y;
 108     o_ptr->ix = player_ptr->x;
 109
 110     describe_flavor(player_ptr, o_name, o_ptr, OD_NAME_ONLY);
 111     msg_format(_("%^sがあなたの足元に飛んできた。", "%^s flies through the air to your feet."), o_name);
 112
 113     note_spot(player_ptr, player_ptr->y, player_ptr->x);
 114     player_ptr->redraw |= PR_MAP;
 115 }
 116
 117 bool fetch_monster(PlayerType *player_ptr)
 118 {
 119     MonsterEntity *m_ptr;
 120     MONSTER_IDX m_idx;
 121     GAME_TEXT m_name[MAX_NLEN];
 122     POSITION ty, tx;
 123
 124     if (!target_set(player_ptr, TARGET_KILL)) {
 125         return false;
 126     }
 127
 128     m_idx = player_ptr->current_floor_ptr->grid_array[target_row][target_col].m_idx;
 129     if (!m_idx) {
 130         return false;
 131     }
 132     if (m_idx == player_ptr->riding) {
 133         return false;
 134     }
 135     if (!player_has_los_bold(player_ptr, target_row, target_col)) {
 136         return false;
 137     }
 138     if (!projectable(player_ptr, player_ptr->y, player_ptr->x, target_row, target_col)) {
 139         return false;
 140     }
 141
 142     m_ptr = &player_ptr->current_floor_ptr->m_list[m_idx];
 143     monster_desc(player_ptr, m_name, m_ptr, 0);
 144     msg_format(_("%sを引き戻した。", "You pull back %s."), m_name);
 145     projection_path path_g(player_ptr, get_max_range(player_ptr), target_row, target_col, player_ptr->y, player_ptr->x, 0);
 146     ty = target_row, tx = target_col;
 147     for (const auto &[ny, nx] : path_g) {
 148         auto *g_ptr = &player_ptr->current_floor_ptr->grid_array[ny][nx];
 149
 150         if (in_bounds(player_ptr->current_floor_ptr, ny, nx) && is_cave_empty_bold(player_ptr, ny, nx) && !g_ptr->is_object() && !pattern_tile(player_ptr->current_floor_ptr, ny, nx)) {
 151             ty = ny;
 152             tx = nx;
 153         }
 154     }
 155
 156     player_ptr->current_floor_ptr->grid_array[target_row][target_col].m_idx = 0;
 157     player_ptr->current_floor_ptr->grid_array[ty][tx].m_idx = m_idx;
 158     m_ptr->fy = ty;
 159     m_ptr->fx = tx;
 160     (void)set_monster_csleep(player_ptr, m_idx, 0);
 161     update_monster(player_ptr, m_idx, true);
 162     lite_spot(player_ptr, target_row, target_col);
 163     lite_spot(player_ptr, ty, tx);
 164     if (monraces_info[m_ptr->r_idx].flags7 & (RF7_LITE_MASK | RF7_DARK_MASK)) {
 165         player_ptr->update |= (PU_MON_LITE);
 166     }
 167
 168     if (m_ptr->ml) {
 169         if (!player_ptr->effects()->hallucination()->is_hallucinated()) {
 170             monster_race_track(player_ptr, m_ptr->ap_r_idx);
 171         }
 172
 173         health_track(player_ptr, m_idx);
 174     }
 175
 176     return true;
 177 }