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-base/player-class.h"
  13 #include "player-info/race-info.h"
  14 #include "player-status/player-energy.h"
  15 #include "racial/racial-switcher.h"
  16 #include "racial/racial-util.h"
  17 #include "system/item-entity.h"
  18 #include "system/player-type-definition.h"
  19 #include "term/screen-processor.h"
  20 #include "timed-effect/player-confusion.h"
  21 #include "timed-effect/player-stun.h"
  22 #include "timed-effect/timed-effects.h"
  23 #include "view/display-messages.h"
  24
  25 /*!
  26  * @brief レイシャル・パワー発動処理
  27  * @param player_ptr プレイヤーへの参照ポインタ
  28  * @param command 発動するレイシャルのID
  29  * @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。
  30  */
  31 bool exe_racial_power(PlayerType *player_ptr, const int32_t command)
  32 {
  33     if (command <= -3) {
  34         return switch_class_racial_execution(player_ptr, command);
  35     }
  36
  37     if (player_ptr->mimic_form != MimicKindType::NONE) {
  38         return switch_mimic_racial_execution(player_ptr);
  39     }
  40
  41     return switch_race_racial_execution(player_ptr, command);
  42 }
  43
  44 /*!
  45  * @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
  46  * @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
  47  * @return 成功率(%)を返す
  48  */
  49 PERCENTAGE racial_chance(PlayerType *player_ptr, rpi_type *rpi_ptr)
  50 {
  51     if ((player_ptr->lev < rpi_ptr->min_level) || player_ptr->effects()->confusion()->is_confused()) {
  52         return 0;
  53     }
  54
  55     PERCENTAGE difficulty = rpi_ptr->fail;
  56     if (difficulty == 0) {
  57         return 100;
  58     }
  59
  60     auto player_stun = player_ptr->effects()->stun();
  61     if (player_stun->is_stunned()) {
  62         difficulty += player_stun->current();
  63     } else if (player_ptr->lev > rpi_ptr->min_level) {
  64         PERCENTAGE lev_adj = (PERCENTAGE)((player_ptr->lev - rpi_ptr->min_level) / 3);
  65         if (lev_adj > 10) {
  66             lev_adj = 10;
  67         }
  68
  69         difficulty -= lev_adj;
  70     }
  71
  72     auto special_easy = PlayerClass(player_ptr).equals(PlayerClassType::IMITATOR);
  73     special_easy &= player_ptr->inventory_list[INVEN_NECK].is_specific_artifact(FixedArtifactId::GOGO_PENDANT);
  74     special_easy &= rpi_ptr->racial_name.compare("倍返し") == 0;
  75     if (special_easy) {
  76         difficulty -= 12;
  77     }
  78
  79     if (difficulty < 5) {
  80         difficulty = 5;
  81     }
  82
  83     difficulty = difficulty / 2;
  84     const auto stat = player_ptr->stat_cur[rpi_ptr->stat];
  85     auto sum = 0;
  86     for (auto i = 1; i <= stat; i++) {
  87         int val = i - difficulty;
  88         if (val > 0) {
  89             sum += (val <= difficulty) ? val : difficulty;
  90         }
  91     }
  92
  93     if (difficulty == 0) {
  94         return 100;
  95     } else {
  96         return ((sum * 100) / difficulty) / stat;
  97     }
  98 }
  99
 100 static void adjust_racial_power_difficulty(PlayerType *player_ptr, rpi_type *rpi_ptr, int *difficulty)
 101 {
 102     if (*difficulty == 0) {
 103         return;
 104     }
 105
 106     auto player_stun = player_ptr->effects()->stun();
 107     if (player_stun->is_stunned()) {
 108         *difficulty += player_stun->current();
 109     } else if (player_ptr->lev > rpi_ptr->min_level) {
 110         int lev_adj = ((player_ptr->lev - rpi_ptr->min_level) / 3);
 111         if (lev_adj > 10) {
 112             lev_adj = 10;
 113         }
 114         *difficulty -= lev_adj;
 115     }
 116
 117     if (*difficulty < 5) {
 118         *difficulty = 5;
 119     }
 120 }
 121
 122 /*!
 123  * @brief レイシャル・パワーの発動の判定処理
 124  * @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
 125  * @return racial_level_check_result
 126  */
 127 racial_level_check_result check_racial_level(PlayerType *player_ptr, rpi_type *rpi_ptr)
 128 {
 129     PLAYER_LEVEL min_level = rpi_ptr->min_level;
 130     int use_stat = rpi_ptr->stat;
 131     int difficulty = rpi_ptr->fail;
 132     int use_hp = 0;
 133     rpi_ptr->racial_cost = rpi_ptr->cost;
 134     if (player_ptr->csp < rpi_ptr->racial_cost) {
 135         use_hp = rpi_ptr->racial_cost - player_ptr->csp;
 136     }
 137
 138     PlayerEnergy energy(player_ptr);
 139     if (player_ptr->lev < min_level) {
 140         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);
 141         energy.reset_player_turn();
 142         return RACIAL_CANCEL;
 143     }
 144
 145     if (cmd_limit_confused(player_ptr)) {
 146         energy.reset_player_turn();
 147         return RACIAL_CANCEL;
 148     } else if (player_ptr->chp < use_hp) {
 149         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? "))) {
 150             energy.reset_player_turn();
 151             return RACIAL_CANCEL;
 152         }
 153     }
 154
 155     adjust_racial_power_difficulty(player_ptr, rpi_ptr, &difficulty);
 156     energy.set_player_turn_energy(100);
 157     if (randint1(player_ptr->stat_cur[use_stat]) >= ((difficulty / 2) + randint1(difficulty / 2))) {
 158         return RACIAL_SUCCESS;
 159     }
 160
 161     if (flush_failure) {
 162         flush();
 163     }
 164
 165     msg_print(_("充分に集中できなかった。", "You've failed to concentrate hard enough."));
 166     return RACIAL_FAILURE;
 167 }