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 "view/display-messages.h"
  19
  20 /*!
  21  * @brief レイシャル・パワー発動処理
  22  * @param player_ptr プレーヤーへの参照ポインタ
  23  * @param command 発動するレイシャルのID
  24  * @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。
  25  */
  26 bool exe_racial_power(player_type *player_ptr, const int32_t command)
  27 {
  28     if (command <= -3)
  29         return switch_class_racial_execution(player_ptr, command);
  30
  31     if (player_ptr->mimic_form)
  32         return switch_mimic_racial_execution(player_ptr);
  33
  34     return switch_race_racial_execution(player_ptr, command);
  35 }
  36
  37 /*!
  38  * @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
  39  * @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
  40  * @return 成功率(%)を返す
  41  */
  42 PERCENTAGE racial_chance(player_type *player_ptr, rpi_type *rpi_ptr)
  43 {
  44     if ((player_ptr->lev < rpi_ptr->min_level) || player_ptr->confused)
  45         return 0;
  46
  47     PERCENTAGE difficulty = rpi_ptr->fail;
  48     if (difficulty == 0)
  49         return 100;
  50
  51     if (player_ptr->stun) {
  52         difficulty += (PERCENTAGE)player_ptr->stun;
  53     } else if (player_ptr->lev > rpi_ptr->min_level) {
  54         PERCENTAGE lev_adj = (PERCENTAGE)((player_ptr->lev - rpi_ptr->min_level) / 3);
  55         if (lev_adj > 10)
  56             lev_adj = 10;
  57
  58         difficulty -= lev_adj;
  59     }
  60
  61     auto special_easy = player_ptr->pclass == CLASS_IMITATOR;
  62     special_easy &= player_ptr->inventory_list[INVEN_NECK].name1 == ART_GOGO_PENDANT;
  63     special_easy &= rpi_ptr->racial_name.compare("倍返し") == 0;
  64     if (special_easy) {
  65         difficulty -= 12;
  66     }
  67
  68     if (difficulty < 5)
  69         difficulty = 5;
  70
  71     difficulty = difficulty / 2;
  72     const BASE_STATUS stat = player_ptr->stat_cur[rpi_ptr->stat];
  73     int sum = 0;
  74     for (int i = 1; i <= stat; i++) {
  75         int val = i - difficulty;
  76         if (val > 0)
  77             sum += (val <= difficulty) ? val : difficulty;
  78     }
  79
  80     if (difficulty == 0)
  81         return 100;
  82     else
  83         return ((sum * 100) / difficulty) / stat;
  84 }
  85
  86 static void adjust_racial_power_difficulty(player_type *player_ptr, rpi_type *rpi_ptr, int *difficulty)
  87 {
  88     if (*difficulty == 0)
  89         return;
  90
  91     if (player_ptr->stun) {
  92         *difficulty += player_ptr->stun;
  93     } else if (player_ptr->lev > rpi_ptr->min_level) {
  94         int lev_adj = ((player_ptr->lev - rpi_ptr->min_level) / 3);
  95         if (lev_adj > 10)
  96             lev_adj = 10;
  97         *difficulty -= lev_adj;
  98     }
  99
 100     if (*difficulty < 5)
 101         *difficulty = 5;
 102 }
 103
 104 /*!
 105  * @brief レイシャル・パワーの発動の判定処理
 106  * @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
 107  * @return racial_level_check_result
 108  */
 109 racial_level_check_result check_racial_level(player_type *player_ptr, rpi_type *rpi_ptr)
 110 {
 111     PLAYER_LEVEL min_level = rpi_ptr->min_level;
 112     int use_stat = rpi_ptr->stat;
 113     int difficulty = rpi_ptr->fail;
 114     int use_hp = 0;
 115     rpi_ptr->racial_cost = rpi_ptr->cost;
 116     if (player_ptr->csp < rpi_ptr->racial_cost) {
 117         use_hp = rpi_ptr->racial_cost - player_ptr->csp;
 118     }
 119
 120     PlayerEnergy energy(player_ptr);
 121     if (player_ptr->lev < min_level) {
 122         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);
 123         energy.reset_player_turn();
 124         return RACIAL_CANCEL;
 125     }
 126
 127     if (cmd_limit_confused(player_ptr)) {
 128         energy.reset_player_turn();
 129         return RACIAL_CANCEL;
 130     } else if (player_ptr->chp < use_hp) {
 131         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? "))) {
 132             energy.reset_player_turn();
 133             return RACIAL_CANCEL;
 134         }
 135     }
 136
 137     adjust_racial_power_difficulty(player_ptr, rpi_ptr, &difficulty);
 138     energy.set_player_turn_energy(100);
 139     if (randint1(player_ptr->stat_cur[use_stat]) >= ((difficulty / 2) + randint1(difficulty / 2)))
 140         return RACIAL_SUCCESS;
 141
 142     if (flush_failure)
 143         flush();
 144
 145     msg_print(_("充分に集中できなかった。", "You've failed to concentrate hard enough."));
 146     return RACIAL_FAILURE;
 147 }