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