src/spell-kind/spells-fetcher.cpp

   1 #include "spell-kind/spells-fetcher.h"
   2 #include "core/player-redraw-types.h"
   3 #include "core/stuff-handler.h"
   4 #include "flavor/flavor-describer.h"
   5 #include "flavor/object-flavor-types.h"
   6 #include "floor/cave.h"
   7 #include "floor/geometry.h"
   8 #include "grid/feature-flag-types.h"
   9 #include "grid/grid.h"
  10 #include "monster-race/monster-race.h"
  11 #include "monster-race/race-brightness-mask.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-entity.h"
  20 #include "system/monster-race-info.h"
  21 #include "system/player-type-definition.h"
  22 #include "system/redrawing-flags-updater.h"
  23 #include "target/projection-path-calculator.h"
  24 #include "target/target-checker.h"
  25 #include "target/target-setter.h"
  26 #include "target/target-types.h"
  27 #include "timed-effect/player-hallucination.h"
  28 #include "timed-effect/timed-effects.h"
  29 #include "util/bit-flags-calculator.h"
  30 #include "view/display-messages.h"
  31
  32 /*!
  33  * @brief アイテム引き寄せ処理 /
  34  * Fetch an item (teleport it right underneath the caster)
  35  * @param player_ptr プレイヤーへの参照ポインタ
  36  * @param dir 魔法の発動方向
  37  * @param wgt 許容重量
  38  * @param require_los 射線の通りを要求するならばTRUE
  39  */
  40 void fetch_item(PlayerType *player_ptr, DIRECTION dir, WEIGHT wgt, bool require_los)
  41 {
  42     auto *floor_ptr = player_ptr->current_floor_ptr;
  43     if (!floor_ptr->grid_array[player_ptr->y][player_ptr->x].o_idx_list.empty()) {
  44         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."));
  45         return;
  46     }
  47
  48     POSITION ty, tx;
  49     grid_type *g_ptr;
  50     if (dir == 5 && target_okay(player_ptr)) {
  51         tx = target_col;
  52         ty = target_row;
  53
  54         if (distance(player_ptr->y, player_ptr->x, ty, tx) > get_max_range(player_ptr)) {
  55             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!"));
  56             return;
  57         }
  58
  59         g_ptr = &floor_ptr->grid_array[ty][tx];
  60         if (g_ptr->o_idx_list.empty()) {
  61             msg_print(_("そこには何もありません。", "There is no object there."));
  62             return;
  63         }
  64
  65         if (g_ptr->is_icky()) {
  66             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."));
  67             return;
  68         }
  69
  70         if (require_los) {
  71             if (!player_has_los_bold(player_ptr, ty, tx)) {
  72                 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."));
  73                 return;
  74             } else if (!projectable(player_ptr, player_ptr->y, player_ptr->x, ty, tx)) {
  75                 msg_print(_("そこは壁の向こうです。", "You have no direct line of sight to that location."));
  76                 return;
  77             }
  78         }
  79     } else {
  80         ty = player_ptr->y;
  81         tx = player_ptr->x;
  82         bool is_first_loop = true;
  83         g_ptr = &floor_ptr->grid_array[ty][tx];
  84         while (is_first_loop || g_ptr->o_idx_list.empty()) {
  85             is_first_loop = false;
  86             ty += ddy[dir];
  87             tx += ddx[dir];
  88             g_ptr = &floor_ptr->grid_array[ty][tx];
  89             if ((distance(player_ptr->y, player_ptr->x, ty, tx) > get_max_range(player_ptr))) {
  90                 return;
  91             }
  92
  93             if (!cave_has_flag_bold(floor_ptr, ty, tx, TerrainCharacteristics::PROJECT)) {
  94                 return;
  95             }
  96         }
  97     }
  98
  99     auto *o_ptr = &floor_ptr->o_list[g_ptr->o_idx_list.front()];
 100     if (o_ptr->weight > wgt) {
 101         msg_print(_("そのアイテムは重過ぎます。", "The object is too heavy."));
 102         return;
 103     }
 104
 105     OBJECT_IDX i = g_ptr->o_idx_list.front();
 106     g_ptr->o_idx_list.pop_front();
 107     floor_ptr->grid_array[player_ptr->y][player_ptr->x].o_idx_list.add(floor_ptr, i); /* 'move' it */
 108     o_ptr->iy = player_ptr->y;
 109     o_ptr->ix = player_ptr->x;
 110
 111     const auto item_name = describe_flavor(player_ptr, o_ptr, OD_NAME_ONLY);
 112     msg_format(_("%s^があなたの足元に飛んできた。", "%s^ flies through the air to your feet."), item_name.data());
 113     note_spot(player_ptr, player_ptr->y, player_ptr->x);
 114     RedrawingFlagsUpdater::get_instance().set_flag(MainWindowRedrawingFlag::MAP);
 115 }
 116
 117 bool fetch_monster(PlayerType *player_ptr)
 118 {
 119     if (!target_set(player_ptr, TARGET_KILL)) {
 120         return false;
 121     }
 122
 123     auto *floor_ptr = player_ptr->current_floor_ptr;
 124     auto m_idx = floor_ptr->grid_array[target_row][target_col].m_idx;
 125     if (!m_idx) {
 126         return false;
 127     }
 128     if (m_idx == player_ptr->riding) {
 129         return false;
 130     }
 131     if (!player_has_los_bold(player_ptr, target_row, target_col)) {
 132         return false;
 133     }
 134     if (!projectable(player_ptr, player_ptr->y, player_ptr->x, target_row, target_col)) {
 135         return false;
 136     }
 137
 138     auto *m_ptr = &floor_ptr->m_list[m_idx];
 139     const auto m_name = monster_desc(player_ptr, m_ptr, 0);
 140     msg_format(_("%sを引き戻した。", "You pull back %s."), m_name.data());
 141     projection_path path_g(player_ptr, get_max_range(player_ptr), target_row, target_col, player_ptr->y, player_ptr->x, 0);
 142     auto ty = target_row, tx = target_col;
 143     for (const auto &[ny, nx] : path_g) {
 144         auto *g_ptr = &floor_ptr->grid_array[ny][nx];
 145
 146         if (in_bounds(floor_ptr, ny, nx) && is_cave_empty_bold(player_ptr, ny, nx) && !g_ptr->is_object() && !pattern_tile(floor_ptr, ny, nx)) {
 147             ty = ny;
 148             tx = nx;
 149         }
 150     }
 151
 152     floor_ptr->grid_array[target_row][target_col].m_idx = 0;
 153     floor_ptr->grid_array[ty][tx].m_idx = m_idx;
 154     m_ptr->fy = ty;
 155     m_ptr->fx = tx;
 156     (void)set_monster_csleep(player_ptr, m_idx, 0);
 157     update_monster(player_ptr, m_idx, true);
 158     lite_spot(player_ptr, target_row, target_col);
 159     lite_spot(player_ptr, ty, tx);
 160     if (monraces_info[m_ptr->r_idx].brightness_flags.has_any_of(ld_mask)) {
 161         RedrawingFlagsUpdater::get_instance().set_flag(StatusRedrawingFlag::MONSTER_LITE);
 162     }
 163
 164     if (m_ptr->ml) {
 165         if (!player_ptr->effects()->hallucination()->is_hallucinated()) {
 166             monster_race_track(player_ptr, m_ptr->ap_r_idx);
 167         }
 168
 169         health_track(player_ptr, m_idx);
 170     }
 171
 172     return true;
 173 }