src/object-enchant/weapon/apply-magic-weapon.cpp

   1 /*!
   2  * @brief 武器系のアイテムを強化する処理
   3  * @date 2022/01/30
   4  * @author Hourier
   5  */
   6
   7 #include "object-enchant/weapon/apply-magic-weapon.h"
   8 #include "artifact/random-art-generator.h"
   9 #include "inventory/inventory-slot-types.h"
  10 #include "object-enchant/object-boost.h"
  11 #include "object-enchant/object-ego.h"
  12 #include "object-enchant/tr-types.h"
  13 #include "object-enchant/trc-types.h"
  14 #include "sv-definition/sv-weapon-types.h"
  15 #include "system/floor-type-definition.h"
  16 #include "system/object-type-definition.h"
  17 #include "util/bit-flags-calculator.h"
  18 #include "view/display-messages.h"
  19
  20 /*!
  21  * @brief 武器強化クラスのコンストラクタ
  22  * @param player_ptr プレイヤーへの参照ポインタ
  23  * @param o_ptr 強化を与えたいオブジェクトの構造体参照ポインタ
  24  * @param level 生成基準階
  25  * @param power 生成ランク
  26  */
  27 WeaponEnchanter::WeaponEnchanter(PlayerType *player_ptr, object_type *o_ptr, DEPTH level, int power)
  28     : AbstractWeaponEnchanter(o_ptr, level, power)
  29     , player_ptr(player_ptr)
  30 {
  31 }
  32
  33 /*!
  34  * @brief 武器系オブジェクトに生成ランクごとの強化を与えるサブルーチン
  35  * Apply magic to an item known to be a "weapon"
  36  */
  37 void WeaponEnchanter::apply_magic()
  38 {
  39     if ((this->o_ptr->tval == ItemKindType::SWORD) && (this->o_ptr->sval == SV_DIAMOND_EDGE))
  40         return;
  41
  42     switch (this->o_ptr->tval) {
  43     case ItemKindType::DIGGING: {
  44         if (this->power > 1) {
  45             /* this->power > 2はデバッグ専用. */
  46             if (one_in_(30) || (this->power > 2))
  47                 become_random_artifact(this->player_ptr, this->o_ptr, false);
  48             else
  49                 this->o_ptr->name2 = EGO_DIGGING;
  50         } else if (this->power < -1) {
  51             this->o_ptr->pval = 0 - (5 + randint1(5));
  52         } else if (this->power < 0) {
  53             this->o_ptr->pval = 0 - (this->o_ptr->pval);
  54         }
  55
  56         break;
  57     }
  58     case ItemKindType::HAFTED:
  59     case ItemKindType::POLEARM:
  60     case ItemKindType::SWORD: {
  61         if (this->power > 1) {
  62             /* power > 2はデバッグ専用. */
  63             if (one_in_(40) || (this->power > 2)) {
  64                 become_random_artifact(this->player_ptr, this->o_ptr, false);
  65                 break;
  66             }
  67             while (true) {
  68                 this->o_ptr->name2 = get_random_ego(INVEN_MAIN_HAND, true);
  69                 if (this->o_ptr->name2 == EGO_SHARPNESS && this->o_ptr->tval != ItemKindType::SWORD)
  70                     continue;
  71                 if (this->o_ptr->name2 == EGO_EARTHQUAKES && this->o_ptr->tval != ItemKindType::HAFTED)
  72                     continue;
  73                 break;
  74             }
  75
  76             switch (this->o_ptr->name2) {
  77             case EGO_SHARPNESS:
  78                 this->o_ptr->pval = (PARAMETER_VALUE)m_bonus(5, this->level) + 1;
  79                 break;
  80             case EGO_EARTHQUAKES:
  81                 if (one_in_(3) && (this->level > 60))
  82                     this->o_ptr->art_flags.set(TR_BLOWS);
  83                 else
  84                     this->o_ptr->pval = (PARAMETER_VALUE)m_bonus(3, this->level);
  85                 break;
  86             default:
  87                 break;
  88             }
  89
  90             if (!this->o_ptr->art_name) {
  91                 while (one_in_(10L * this->o_ptr->dd * this->o_ptr->ds))
  92                     this->o_ptr->dd++;
  93
  94                 if (this->o_ptr->dd > 9)
  95                     this->o_ptr->dd = 9;
  96             }
  97         } else if (this->power < -1) {
  98             if (randint0(MAX_DEPTH) < this->level) {
  99                 int n = 0;
 100                 while (true) {
 101                     this->o_ptr->name2 = get_random_ego(INVEN_MAIN_HAND, false);
 102                     if (this->o_ptr->name2 == EGO_WEIRD && this->o_ptr->tval != ItemKindType::SWORD) {
 103                         continue;
 104                     }
 105
 106                     ego_item_type *e_ptr = &e_info[this->o_ptr->name2];
 107                     if (this->o_ptr->tval == ItemKindType::SWORD && this->o_ptr->sval == SV_HAYABUSA && e_ptr->max_pval < 0) {
 108                         if (++n > 1000) {
 109                             msg_print(_("エラー:隼の剣に割り当てるエゴ無し", "Error: Cannot find for Hayabusa."));
 110                             return;
 111                         }
 112                         continue;
 113                     }
 114                     break;
 115                 }
 116             }
 117         }
 118
 119         break;
 120     }
 121     case ItemKindType::BOW: {
 122         if (this->power > 1) {
 123             /* this->power > 2はデバッグ専用. */
 124             if (one_in_(20) || (this->power > 2)) {
 125                 become_random_artifact(this->player_ptr, this->o_ptr, false);
 126                 break;
 127             }
 128
 129             this->o_ptr->name2 = get_random_ego(INVEN_BOW, true);
 130         }
 131
 132         break;
 133     }
 134     case ItemKindType::BOLT:
 135     case ItemKindType::ARROW:
 136     case ItemKindType::SHOT: {
 137         if (this->power > 1) {
 138             /* this->power > 2はデバッグ専用. */
 139             if (this->power > 2) {
 140                 become_random_artifact(this->player_ptr, this->o_ptr, false);
 141                 break;
 142             }
 143
 144             this->o_ptr->name2 = get_random_ego(INVEN_AMMO, true);
 145
 146             while (one_in_(10L * this->o_ptr->dd * this->o_ptr->ds))
 147                 this->o_ptr->dd++;
 148
 149             if (this->o_ptr->dd > 9)
 150                 this->o_ptr->dd = 9;
 151         } else if (this->power < -1) {
 152             if (randint0(MAX_DEPTH) < this->level) {
 153                 this->o_ptr->name2 = get_random_ego(INVEN_AMMO, false);
 154             }
 155         }
 156
 157         break;
 158     }
 159
 160     default:
 161         break;
 162     }
 163 }