src/action/racial-execution.cpp

   1 /*!
   2  * @file racial-execution.cpp
   3  * @brief レイシャルパワー実行処理実装
   4  */
   5
   6 #include "action/racial-execution.h"
   7 #include "action/action-limited.h"
   8 #include "artifact/fixed-art-types.h"
   9 #include "core/asking-player.h"
  10 #include "game-option/disturbance-options.h"
  11 #include "inventory/inventory-slot-types.h"
  12 #include "player-status/player-energy.h"
  13 #include "racial/racial-switcher.h"
  14 #include "racial/racial-util.h"
  15 #include "system/object-type-definition.h"
  16 #include "system/player-type-definition.h"
  17 #include "term/screen-processor.h"
  18 #include "timed-effect/player-stun.h"
  19 #include "timed-effect/timed-effects.h"
  20 #include "view/display-messages.h"
  21
  22 /*!
  23  * @brief レイシャル・パワー発動処理
  24  * @param player_ptr プレイヤーへの参照ポインタ
  25  * @param command 発動するレイシャルのID
  26  * @return 処理を実際に実行した場合はTRUE、キャンセルした場合FALSEを返す。
  27  */
  28 bool exe_racial_power(player_type *player_ptr, const int32_t command)
  29 {
  30     if (command <= -3)
  31         return switch_class_racial_execution(player_ptr, command);
  32
  33     if (player_ptr->mimic_form)
  34         return switch_mimic_racial_execution(player_ptr);
  35
  36     return switch_race_racial_execution(player_ptr, command);
  37 }
  38
  39 /*!
  40  * @brief レイシャル・パワーの発動成功率を計算する / Returns the chance to activate a racial power/mutation
  41  * @param rpi_ptr 発動したいレイシャル・パワー情報の構造体参照ポインタ
  42  * @return 成功率(%)を返す
  43  */
  44 PERCENTAGE racial_chance(player_type *player_ptr, rpi_type *rpi_ptr)
  45 {
  46     if ((player_ptr->lev < rpi_ptr->min_level) || player_ptr->confused)
  47         return 0;
  48
  49     PERCENTAGE difficulty = rpi_ptr->fail;
  50     if (difficulty == 0)
  51         return 100;
  52
  53     auto player_stun = player_ptr->effects()->stun();
  54     if (player_stun->is_stunned()) {
  55         difficulty += player_stun->current();
  56     } else if (player_ptr->lev > rpi_ptr->min_level) {
  57         PERCENTAGE lev_adj = (PERCENTAGE)((player_ptr->lev - rpi_ptr->min_level) / 3);
  58         if (lev_adj > 10)
  59             lev_adj = 10;
  60
  61         difficulty -= lev_adj;
  62     }
  63
  64     auto special_easy = player_ptr->pclass == CLASS_IMITATOR;
  65     special_easy &= player_ptr->inventory_list[INVEN_NECK].name1 == ART_GOGO_PENDANT;
  66     special_easy &= rpi_ptr->racial_name.compare("倍返し") == 0;
  67     if (special_easy) {
  68         difficulty -= 12;
  69     }
  70
  71     if (difficulty < 5)
  72         difficulty = 5;
  73
  74     difficulty = difficulty / 2;
  75     const BASE_STATUS stat = player_ptr->stat_cur[rpi_ptr->stat];
  76     int sum = 0;
  77     for (int i = 1; i <= stat; i++) {
  78         int val = i - difficulty;
  79         if (val > 0)
  80             sum += (val <= difficulty) ? val : difficulty;
  81     }
  82
  83     if (difficulty == 0)
  84         return 100;
  85     else
  86         return ((sum * 100) / difficulty) / stat;
  87 }
  88
  89 static void adjust_racial_power_difficulty(player_type *player_ptr, rpi_type *rpi_ptr, int *difficulty)
  90 {
  91     if (*difficulty == 0)
  92         return;
  93
  94     auto player_stun = player_ptr->effects()->stun();
  95     if (player_stun->is_stunned()) {
  96         *difficulty += player_stun->current();
  97     } else if (player_ptr->lev > rpi_ptr->min_level) {
  98         int lev_adj = ((player_ptr->lev - rpi_ptr->min_level) / 3);
  99         if (lev_adj > 10)
 100             lev_adj = 10;
 101         *difficulty -= lev_adj;
 102     }
 103
 104     if (*difficulty < 5)
 105         *difficulty = 5;
 106 }
 107
 108 /*!
 109  * @brief レイシャル・パワーの発動の判定処理
 110  * @param rpi_ptr 発動したいレイシャル・パワー情報の構造体参照ポインタ
 111  * @return racial_level_check_result
 112  */
 113 racial_level_check_result check_racial_level(player_type *player_ptr, rpi_type *rpi_ptr)
 114 {
 115     PLAYER_LEVEL min_level = rpi_ptr->min_level;
 116     int use_stat = rpi_ptr->stat;
 117     int difficulty = rpi_ptr->fail;
 118     int use_hp = 0;
 119     rpi_ptr->racial_cost = rpi_ptr->cost;
 120     if (player_ptr->csp < rpi_ptr->racial_cost) {
 121         use_hp = rpi_ptr->racial_cost - player_ptr->csp;
 122     }
 123
 124     PlayerEnergy energy(player_ptr);
 125     if (player_ptr->lev < min_level) {
 126         msg_format(_("この能力を使用するにはレベル %d に達していなければなりません。", "You need to attain level %d to use this power."), min_level);
 127         energy.reset_player_turn();
 128         return RACIAL_CANCEL;
 129     }
 130
 131     if (cmd_limit_confused(player_ptr)) {
 132         energy.reset_player_turn();
 133         return RACIAL_CANCEL;
 134     } else if (player_ptr->chp < use_hp) {
 135         if (!get_check(_("本当に今の衰弱した状態でこの能力を使いますか？", "Really use the power in your weakened state? "))) {
 136             energy.reset_player_turn();
 137             return RACIAL_CANCEL;
 138         }
 139     }
 140
 141     adjust_racial_power_difficulty(player_ptr, rpi_ptr, &difficulty);
 142     energy.set_player_turn_energy(100);
 143     if (randint1(player_ptr->stat_cur[use_stat]) >= ((difficulty / 2) + randint1(difficulty / 2)))
 144         return RACIAL_SUCCESS;
 145
 146     if (flush_failure)
 147         flush();
 148
 149     msg_print(_("充分に集中できなかった。", "You've failed to concentrate hard enough."));
 150     return RACIAL_FAILURE;
 151 }