src/object-use/use-execution.cpp

   1 /*!
   2  * @brief 杖を振る処理
   3  * @date 2021/09/25
   4  * @author Hourier
   5  */
   6 #include "object-use/use-execution.h"
   7 #include "action/action-limited.h"
   8 #include "avatar/avatar.h"
   9 #include "cmd-item/cmd-usestaff.h"
  10 #include "core/window-redrawer.h"
  11 #include "floor/floor-object.h"
  12 #include "game-option/disturbance-options.h"
  13 #include "inventory/inventory-object.h"
  14 #include "main/sound-definitions-table.h"
  15 #include "main/sound-of-music.h"
  16 #include "object-enchant/special-object-flags.h"
  17 #include "object-use/item-use-checker.h"
  18 #include "object/object-info.h"
  19 #include "perception/object-perception.h"
  20 #include "player-base/player-class.h"
  21 #include "player-status/player-energy.h"
  22 #include "status/experience.h"
  23 #include "system/baseitem-info.h"
  24 #include "system/item-entity.h"
  25 #include "system/player-type-definition.h"
  26 #include "system/redrawing-flags-updater.h"
  27 #include "term/screen-processor.h"
  28 #include "timed-effect/player-confusion.h"
  29 #include "timed-effect/timed-effects.h"
  30 #include "util/bit-flags-calculator.h"
  31 #include "view/display-messages.h"
  32 #include "view/object-describer.h"
  33
  34 /*!
  35  * @brief コンストラクタ
  36  * @param player_ptr プレイヤーへの参照ポインタ
  37  * @param i_idx 使うオブジェクトの所持品ID
  38  */
  39 ObjectUseEntity::ObjectUseEntity(PlayerType *player_ptr, INVENTORY_IDX i_idx)
  40     : player_ptr(player_ptr)
  41     , i_idx(i_idx)
  42 {
  43 }
  44
  45 /*!
  46  * @brief 杖を使う
  47  */
  48 void ObjectUseEntity::execute()
  49 {
  50     auto use_charge = true;
  51     auto *o_ptr = ref_item(this->player_ptr, this->i_idx);
  52     if ((this->i_idx < 0) && (o_ptr->number > 1)) {
  53         msg_print(_("まずは杖を拾わなければ。", "You must first pick up the staffs."));
  54         return;
  55     }
  56
  57     PlayerEnergy(this->player_ptr).set_player_turn_energy(100);
  58     if (!this->check_can_use()) {
  59         return;
  60     }
  61
  62     auto lev = o_ptr->get_baseitem().level;
  63     if (lev > 50) {
  64         lev = 50 + (lev - 50) / 2;
  65     }
  66
  67     auto chance = this->player_ptr->skill_dev;
  68     if (this->player_ptr->effects()->confusion()->is_confused()) {
  69         chance = chance / 2;
  70     }
  71
  72     chance = chance - lev;
  73     if ((chance < USE_DEVICE) && one_in_(USE_DEVICE - chance + 1)) {
  74         chance = USE_DEVICE;
  75     }
  76
  77     if ((chance < USE_DEVICE) || (randint1(chance) < USE_DEVICE) || PlayerClass(this->player_ptr).equals(PlayerClassType::BERSERKER)) {
  78         if (flush_failure) {
  79             flush();
  80         }
  81
  82         msg_print(_("杖をうまく使えなかった。", "You failed to use the staff properly."));
  83         sound(SOUND_FAIL);
  84         return;
  85     }
  86
  87     if (o_ptr->pval <= 0) {
  88         if (flush_failure) {
  89             flush();
  90         }
  91
  92         msg_print(_("この杖にはもう魔力が残っていない。", "The staff has no charges left."));
  93         o_ptr->ident |= IDENT_EMPTY;
  94         auto &rfu = RedrawingFlagsUpdater::get_instance();
  95         static constexpr auto flags = {
  96             StatusRecalculatingFlag::COMBINATION,
  97             StatusRecalculatingFlag::REORDER,
  98         };
  99         rfu.set_flags(flags);
 100         rfu.set_flag(SubWindowRedrawingFlag::INVENTORY);
 101         return;
 102     }
 103
 104     sound(SOUND_ZAP);
 105     auto ident = staff_effect(this->player_ptr, *o_ptr->bi_key.sval(), &use_charge, false, false, o_ptr->is_aware());
 106     if (!(o_ptr->is_aware())) {
 107         chg_virtue(this->player_ptr, Virtue::PATIENCE, -1);
 108         chg_virtue(this->player_ptr, Virtue::CHANCE, 1);
 109         chg_virtue(this->player_ptr, Virtue::KNOWLEDGE, -1);
 110     }
 111
 112     auto &rfu = RedrawingFlagsUpdater::get_instance();
 113     using Srf = StatusRecalculatingFlag;
 114     EnumClassFlagGroup<Srf> flags_srf = { Srf::COMBINATION, Srf::REORDER };
 115     if (rfu.has(Srf::AUTO_DESTRUCTION)) {
 116         flags_srf.set(Srf::AUTO_DESTRUCTION);
 117     }
 118
 119     rfu.reset_flags(flags_srf);
 120     o_ptr->mark_as_tried();
 121     if (ident && !o_ptr->is_aware()) {
 122         object_aware(this->player_ptr, o_ptr);
 123         gain_exp(this->player_ptr, (lev + (this->player_ptr->lev >> 1)) / this->player_ptr->lev);
 124     }
 125
 126     static constexpr auto flags_swrf = {
 127         SubWindowRedrawingFlag::INVENTORY,
 128         SubWindowRedrawingFlag::EQUIPMENT,
 129         SubWindowRedrawingFlag::PLAYER,
 130         SubWindowRedrawingFlag::FLOOR_ITEMS,
 131         SubWindowRedrawingFlag::FOUND_ITEMS,
 132     };
 133     rfu.set_flags(flags_swrf);
 134     rfu.set_flags(flags_srf);
 135     if (!use_charge) {
 136         return;
 137     }
 138
 139     o_ptr->pval--;
 140     if ((this->i_idx >= 0) && (o_ptr->number > 1)) {
 141         ItemEntity forge;
 142         auto *q_ptr = &forge;
 143         q_ptr->copy_from(o_ptr);
 144         q_ptr->number = 1;
 145         o_ptr->pval++;
 146         o_ptr->number--;
 147         this->i_idx = store_item_to_inventory(this->player_ptr, q_ptr);
 148         msg_print(_("杖をまとめなおした。", "You unstack your staff."));
 149     }
 150
 151     if (this->i_idx >= 0) {
 152         inven_item_charges(this->player_ptr->inventory_list[this->i_idx]);
 153     } else {
 154         floor_item_charges(this->player_ptr->current_floor_ptr, 0 - this->i_idx);
 155     }
 156 }
 157
 158 bool ObjectUseEntity::check_can_use()
 159 {
 160     if (cmd_limit_time_walk(this->player_ptr)) {
 161         return false;
 162     }
 163
 164     return ItemUseChecker(this->player_ptr).check_stun(_("朦朧としていて杖を振れなかった！", "You are too stunned to use it!"));
 165 }