src/action/travel-execution.cpp

   1 /*!
   2  * @file travel-execution.cpp
   3  * @brief トラベル移動処理実装
   4  */
   5
   6 #include "action/travel-execution.h"
   7 #include "action/movement-execution.h"
   8 #include "action/run-execution.h"
   9 #include "core/disturbance.h"
  10 #include "floor/geometry.h"
  11 #include "game-option/disturbance-options.h"
  12 #include "game-option/input-options.h"
  13 #include "game-option/special-options.h"
  14 #include "grid/feature.h"
  15 #include "grid/grid.h"
  16 #include "player-status/player-energy.h"
  17 #include "player/player-move.h"
  18 #include "system/floor-type-definition.h"
  19 #include "system/grid-type-definition.h"
  20 #include "system/monster-entity.h"
  21 #include "system/player-type-definition.h"
  22 #include "timed-effect/player-blindness.h"
  23 #include "timed-effect/timed-effects.h"
  24 #include "view/display-messages.h"
  25
  26 travel_type travel;
  27
  28 /*!
  29  * @brief トラベル機能の判定処理 /
  30  * Test for traveling
  31  * @param player_ptr    プレイヤーへの参照ポインタ
  32  * @param prev_dir 前回移動を行った元の方角ID
  33  * @return 次の方向
  34  */
  35 static DIRECTION travel_test(PlayerType *player_ptr, DIRECTION prev_dir)
  36 {
  37     const auto blindness = player_ptr->effects()->blindness();
  38     if (blindness->is_blind() || no_lite(player_ptr)) {
  39         msg_print(_("目が見えない！", "You cannot see!"));
  40         return 0;
  41     }
  42
  43     auto *floor_ptr = player_ptr->current_floor_ptr;
  44     if ((disturb_trap_detect || alert_trap_detect) && player_ptr->dtrap && !(floor_ptr->grid_array[player_ptr->y][player_ptr->x].info & CAVE_IN_DETECT)) {
  45         player_ptr->dtrap = false;
  46         if (!(floor_ptr->grid_array[player_ptr->y][player_ptr->x].info & CAVE_UNSAFE)) {
  47             if (alert_trap_detect) {
  48                 msg_print(_("* 注意:この先はトラップの感知範囲外です！ *", "*Leaving trap detect region!*"));
  49             }
  50
  51             if (disturb_trap_detect) {
  52                 return 0;
  53             }
  54         }
  55     }
  56
  57     int max = (prev_dir & 0x01) + 1;
  58     const Grid *g_ptr;
  59     for (int i = -max; i <= max; i++) {
  60         DIRECTION dir = cycle[chome[prev_dir] + i];
  61         POSITION row = player_ptr->y + ddy[dir];
  62         POSITION col = player_ptr->x + ddx[dir];
  63         g_ptr = &floor_ptr->grid_array[row][col];
  64         if (g_ptr->has_monster()) {
  65             auto *m_ptr = &floor_ptr->m_list[g_ptr->m_idx];
  66             if (m_ptr->ml) {
  67                 return 0;
  68             }
  69         }
  70     }
  71
  72     int cost = travel.cost[player_ptr->y][player_ptr->x];
  73     DIRECTION new_dir = 0;
  74     for (int i = 0; i < 8; ++i) {
  75         int dir_cost = travel.cost[player_ptr->y + ddy_ddd[i]][player_ptr->x + ddx_ddd[i]];
  76         if (dir_cost < cost) {
  77             new_dir = ddd[i];
  78             cost = dir_cost;
  79         }
  80     }
  81
  82     if (!new_dir) {
  83         return 0;
  84     }
  85
  86     g_ptr = &floor_ptr->grid_array[player_ptr->y + ddy[new_dir]][player_ptr->x + ddx[new_dir]];
  87     if (!easy_open && is_closed_door(player_ptr, g_ptr->feat)) {
  88         return 0;
  89     }
  90
  91     if (!g_ptr->mimic && !trap_can_be_ignored(player_ptr, g_ptr->feat)) {
  92         return 0;
  93     }
  94
  95     return new_dir;
  96 }
  97
  98 /*!
  99  * @brief トラベル機能の実装 /
 100  * Travel command
 101  * @param player_ptr    プレイヤーへの参照ポインタ
 102  */
 103 void travel_step(PlayerType *player_ptr)
 104 {
 105     travel.dir = travel_test(player_ptr, travel.dir);
 106     if (!travel.dir) {
 107         if (travel.run == 255) {
 108             msg_print(_("道筋が見つかりません！", "No route is found!"));
 109             travel.y = travel.x = 0;
 110         }
 111
 112         disturb(player_ptr, false, true);
 113         return;
 114     }
 115
 116     PlayerEnergy(player_ptr).set_player_turn_energy(100);
 117     exe_movement(player_ptr, travel.dir, always_pickup, false);
 118     if ((player_ptr->y == travel.y) && (player_ptr->x == travel.x)) {
 119         travel.run = 0;
 120         travel.y = travel.x = 0;
 121     } else if (travel.run > 0) {
 122         travel.run--;
 123     }
 124
 125     term_xtra(TERM_XTRA_DELAY, delay_factor);
 126 }
 127
 128 /*!
 129  * @brief トラベル処理の記憶配列を初期化する Hack: forget the "flow" information
 130  * @param player_ptr    プレイヤーへの参照ポインタ
 131  */
 132 void forget_travel_flow(FloorType *floor_ptr)
 133 {
 134     for (POSITION y = 0; y < floor_ptr->height; y++) {
 135         for (POSITION x = 0; x < floor_ptr->width; x++) {
 136             travel.cost[y][x] = MAX_SHORT;
 137         }
 138     }
 139
 140     travel.y = travel.x = 0;
 141 }