src/hissatsu.c

   1 /*!
   2  * @file hissatsu.c
   3  * @brief 剣術の実装 / Blade arts
   4  * @date 2014/01/17
   5  * @author
   6  * Copyright (c) 1997 Ben Harrison, James E. Wilson, Robert A. Koeneke\n
   7  * This software may be copied and distributed for educational, research,\n
   8  * and not for profit purposes provided that this copyright and statement\n
   9  * are included in all such copies.  Other copyrights may also apply.\n
  10  * 2014 Deskull rearranged comment for Doxygen.\n
  11  */
  12
  13 #include "angband.h"
  14 #include "monsterrace-hook.h"
  15 #include "player-status.h"
  16
  17 #define TECHNIC_HISSATSU (REALM_HISSATSU - MIN_TECHNIC)
  18
  19
  20 /*!
  21  * @brief 使用可能な剣術を選択する /
  22  * Allow user to choose a blade arts.
  23  * @param sn 選択した特殊技能ID、キャンセルの場合-1、不正な選択の場合-2を返す
  24  * @return 発動可能な魔法を選択した場合TRUE、キャンセル処理か不正な選択が行われた場合FALSEを返す。
  25  * @details
  26  * If a valid spell is chosen, saves it in '*sn' and returns TRUE\n
  27  * If the user hits escape, returns FALSE, and set '*sn' to -1\n
  28  * If there are no legal choices, returns FALSE, and sets '*sn' to -2\n
  29  *\n
  30  * The "prompt" should be "cast", "recite", or "study"\n
  31  * The "known" should be TRUE for cast/pray, FALSE for study\n
  32  *\n
  33  * nb: This function has a (trivial) display bug which will be obvious\n
  34  * when you run it. It's probably easy to fix but I haven't tried,\n
  35  * sorry.\n
  36  */
  37 static int get_hissatsu_power(SPELL_IDX *sn)
  38 {
  39         SPELL_IDX i;
  40         int j = 0;
  41         int num = 0;
  42         POSITION y = 1;
  43         POSITION x = 15;
  44         PLAYER_LEVEL plev = p_ptr->lev;
  45         int ask = TRUE;
  46         char choice;
  47         char out_val[160];
  48         SPELL_IDX sentaku[32];
  49         concptr p = _("必殺剣", "special attack");
  50         COMMAND_CODE code;
  51         magic_type spell;
  52         bool flag, redraw;
  53         int menu_line = (use_menu ? 1 : 0);
  54
  55         /* Assume cancelled */
  56         *sn = (-1);
  57
  58         /* Get the spell, if available */
  59         if (repeat_pull(&code))
  60         {
  61                 *sn = (SPELL_IDX)code;
  62                 /* Verify the spell */
  63                 if (technic_info[TECHNIC_HISSATSU][*sn].slevel <= plev)
  64                 {
  65                         /* Success */
  66                         return (TRUE);
  67                 }
  68         }
  69
  70         /* Nothing chosen yet */
  71         flag = FALSE;
  72
  73         /* No redraw yet */
  74         redraw = FALSE;
  75
  76         for (i = 0; i < 32; i++)
  77         {
  78                 if (technic_info[TECHNIC_HISSATSU][i].slevel <= PY_MAX_LEVEL)
  79                 {
  80                         sentaku[num] = i;
  81                         num++;
  82                 }
  83         }
  84
  85         /* Build a prompt (accept all spells) */
  86         (void) strnfmt(out_val, 78,
  87                        _("(%^s %c-%c, '*'で一覧, ESC) どの%sを使いますか？", "(%^ss %c-%c, *=List, ESC=exit) Use which %s? "),
  88                        p, I2A(0), "abcdefghijklmnopqrstuvwxyz012345"[num-1], p);
  89
  90         if (use_menu) screen_save();
  91
  92         /* Get a spell from the user */
  93
  94         choice= always_show_list ? ESCAPE:1 ;
  95         while (!flag)
  96         {
  97                 if(choice==ESCAPE) choice = ' ';
  98                 else if( !get_com(out_val, &choice, FALSE) )break;
  99
 100                 if (use_menu && choice != ' ')
 101                 {
 102                         switch(choice)
 103                         {
 104                                 case '0':
 105                                 {
 106                                         screen_load();
 107                                         return (FALSE);
 108                                 }
 109
 110                                 case '8':
 111                                 case 'k':
 112                                 case 'K':
 113                                 {
 114                                         do
 115                                         {
 116                                                 menu_line += 31;
 117                                                 if (menu_line > 32) menu_line -= 32;
 118                                         } while(!(p_ptr->spell_learned1 & (1L << (menu_line-1))));
 119                                         break;
 120                                 }
 121
 122                                 case '2':
 123                                 case 'j':
 124                                 case 'J':
 125                                 {
 126                                         do
 127                                         {
 128                                                 menu_line++;
 129                                                 if (menu_line > 32) menu_line -= 32;
 130                                         } while(!(p_ptr->spell_learned1 & (1L << (menu_line-1))));
 131                                         break;
 132                                 }
 133
 134                                 case '4':
 135                                 case 'h':
 136                                 case 'H':
 137                                 case '6':
 138                                 case 'l':
 139                                 case 'L':
 140                                 {
 141                                         bool reverse = FALSE;
 142                                         if ((choice == '4') || (choice == 'h') || (choice == 'H')) reverse = TRUE;
 143                                         if (menu_line > 16)
 144                                         {
 145                                                 menu_line -= 16;
 146                                                 reverse = TRUE;
 147                                         }
 148                                         else menu_line+=16;
 149                                         while(!(p_ptr->spell_learned1 & (1L << (menu_line-1))))
 150                                         {
 151                                                 if (reverse)
 152                                                 {
 153                                                         menu_line--;
 154                                                         if (menu_line < 2) reverse = FALSE;
 155                                                 }
 156                                                 else
 157                                                 {
 158                                                         menu_line++;
 159                                                         if (menu_line > 31) reverse = TRUE;
 160                                                 }
 161                                         }
 162                                         break;
 163                                 }
 164
 165                                 case 'x':
 166                                 case 'X':
 167                                 case '\r':
 168                                 case '\n':
 169                                 {
 170                                         i = menu_line - 1;
 171                                         ask = FALSE;
 172                                         break;
 173                                 }
 174                         }
 175                 }
 176                 /* Request redraw */
 177                 if ((choice == ' ') || (choice == '*') || (choice == '?') || (use_menu && ask))
 178                 {
 179                         /* Show the list */
 180                         if (!redraw || use_menu)
 181                         {
 182                                 char psi_desc[80];
 183                                 int line;
 184
 185                                 /* Show list */
 186                                 redraw = TRUE;
 187                                 if (!use_menu) screen_save();
 188
 189                                 /* Display a list of spells */
 190                                 prt("", y, x);
 191                                 put_str(_("名前              Lv  MP      名前              Lv  MP ",
 192                                                   "name              Lv  SP      name              Lv  SP "), y, x + 5);
 193                                 prt("", y+1, x);
 194                                 /* Dump the spells */
 195                                 for (i = 0, line = 0; i < 32; i++)
 196                                 {
 197                                         spell = technic_info[TECHNIC_HISSATSU][i];
 198
 199                                         if (spell.slevel > PY_MAX_LEVEL) continue;
 200                                         line++;
 201                                         if (!(p_ptr->spell_learned1 >> i)) break;
 202
 203                                         /* Access the spell */
 204                                         if (spell.slevel > plev)   continue;
 205                                         if (!(p_ptr->spell_learned1 & (1L << i))) continue;
 206                                         if (use_menu)
 207                                         {
 208                                                 if (i == (menu_line-1))
 209                                                         strcpy(psi_desc, _("  》", "  > "));
 210                                                 else strcpy(psi_desc, "    ");
 211
 212                                         }
 213                                         else
 214                                         {
 215                                                 char letter;
 216                                                 if (line <= 26)
 217                                                         letter = I2A(line-1);
 218                                                 else
 219                                                         letter = '0' + line - 27;
 220                                                 sprintf(psi_desc, "  %c)",letter);
 221                                         }
 222
 223                                         /* Dump the spell --(-- */
 224                                         strcat(psi_desc, format(" %-18s%2d %3d",
 225                                                 do_spell(REALM_HISSATSU, i, SPELL_NAME),
 226                                                 spell.slevel, spell.smana));
 227                                         prt(psi_desc, y + (line%17) + (line >= 17), x+(line/17)*30);
 228                                         prt("", y + (line%17) + (line >= 17) + 1, x+(line/17)*30);
 229                                 }
 230                         }
 231
 232                         /* Hide the list */
 233                         else
 234                         {
 235                                 /* Hide list */
 236                                 redraw = FALSE;
 237                                 screen_load();
 238                         }
 239
 240                         /* Redo asking */
 241                         continue;
 242                 }
 243
 244                 if (!use_menu)
 245                 {
 246                         if (isalpha(choice))
 247                         {
 248                                 /* Note verify */
 249                                 ask = (isupper(choice));
 250
 251                                 /* Lowercase */
 252                                 if (ask) choice = (char)tolower(choice);
 253
 254                                 /* Extract request */
 255                                 i = (islower(choice) ? A2I(choice) : -1);
 256                         }
 257                         else
 258                         {
 259                                 ask = FALSE; /* Can't uppercase digits */
 260
 261                                 i = choice - '0' + 26;
 262                         }
 263                 }
 264
 265                 /* Totally Illegal */
 266                 if ((i < 0) || (i >= 32) || !(p_ptr->spell_learned1 & (1 << sentaku[i])))
 267                 {
 268                         bell();
 269                         continue;
 270                 }
 271
 272                 j = sentaku[i];
 273
 274                 /* Verify it */
 275                 if (ask)
 276                 {
 277                         char tmp_val[160];
 278
 279                         /* Prompt */
 280                         (void) strnfmt(tmp_val, 78, _("%sを使いますか？", "Use %s? "), do_spell(REALM_HISSATSU, j, SPELL_NAME));
 281
 282                         /* Belay that order */
 283                         if (!get_check(tmp_val)) continue;
 284                 }
 285
 286                 /* Stop the loop */
 287                 flag = TRUE;
 288         }
 289         if (redraw) screen_load();
 290
 291         p_ptr->window |= (PW_SPELL);
 292         handle_stuff();
 293
 294         /* Abort if needed */
 295         if (!flag) return (FALSE);
 296
 297         /* Save the choice */
 298         (*sn) = j;
 299
 300         repeat_push((COMMAND_CODE)j);
 301
 302         /* Success */
 303         return (TRUE);
 304 }
 305
 306
 307 /*!
 308  * @brief 剣術コマンドのメインルーチン
 309  * @return なし
 310  */
 311 void do_cmd_hissatsu(void)
 312 {
 313         SPELL_IDX       n = 0;
 314         magic_type      spell;
 315
 316         if (cmd_limit_confused(p_ptr)) return;
 317         if (!has_melee_weapon(INVEN_RARM) && !has_melee_weapon(INVEN_LARM))
 318         {
 319                 if (flush_failure) flush();
 320                 msg_print(_("武器を持たないと必殺技は使えない！", "You need to wield a weapon!"));
 321                 return;
 322         }
 323         if (!p_ptr->spell_learned1)
 324         {
 325                 msg_print(_("何も技を知らない。", "You don't know any special attacks."));
 326                 return;
 327         }
 328
 329         if (p_ptr->special_defense & KATA_MASK)
 330         {
 331                 set_action(ACTION_NONE);
 332         }
 333
 334         /* get power */
 335         if (!get_hissatsu_power(&n)) return;
 336
 337         spell = technic_info[TECHNIC_HISSATSU][n];
 338
 339         /* Verify "dangerous" spells */
 340         if (spell.smana > p_ptr->csp)
 341         {
 342                 if (flush_failure) flush();
 343                 /* Warning */
 344                 msg_print(_("ＭＰが足りません。", "You do not have enough mana to use this power."));
 345                 msg_print(NULL);
 346                 return;
 347         }
 348
 349         sound(SOUND_ZAP);
 350
 351         /* Cast the spell */
 352         if (!do_spell(REALM_HISSATSU, n, SPELL_CAST)) return;
 353
 354         p_ptr->energy_use = 100;
 355
 356         /* Use some mana */
 357         p_ptr->csp -= spell.smana;
 358
 359         /* Limit */
 360         if (p_ptr->csp < 0) p_ptr->csp = 0;
 361         p_ptr->redraw |= (PR_MANA);
 362
 363         p_ptr->window |= (PW_PLAYER);
 364         p_ptr->window |= (PW_SPELL);
 365 }
 366
 367
 368 /*!
 369  * @brief 剣術コマンドの学習
 370  * @return なし
 371  */
 372 void do_cmd_gain_hissatsu(void)
 373 {
 374         OBJECT_IDX item;
 375         int i, j;
 376
 377         object_type *o_ptr;
 378         concptr q, s;
 379
 380         bool gain = FALSE;
 381
 382         if (p_ptr->special_defense & (KATA_MUSOU | KATA_KOUKIJIN))
 383         {
 384                 set_action(ACTION_NONE);
 385         }
 386
 387         if (p_ptr->blind || no_lite())
 388         {
 389                 msg_print(_("目が見えない！", "You cannot see!"));
 390                 return;
 391         }
 392
 393         if (cmd_limit_confused(p_ptr)) return;
 394
 395         if (!(p_ptr->new_spells))
 396         {
 397                 msg_print(_("新しい必殺技を覚えることはできない！", "You cannot learn any new special attacks!"));
 398                 return;
 399         }
 400
 401 #ifdef JP
 402         if( p_ptr->new_spells < 10 ){
 403                 msg_format("あと %d つの必殺技を学べる。", p_ptr->new_spells);
 404         }else{
 405                 msg_format("あと %d 個の必殺技を学べる。", p_ptr->new_spells);
 406         }
 407 #else
 408         msg_format("You can learn %d new special attack%s.", p_ptr->new_spells,
 409                 (p_ptr->new_spells == 1?"":"s"));
 410 #endif
 411
 412         item_tester_tval = TV_HISSATSU_BOOK;
 413
 414         q = _("どの書から学びますか? ", "Study which book? ");
 415         s = _("読める書がない。", "You have no books that you can read.");
 416
 417         o_ptr = choose_object(&item, q, s, (USE_INVEN | USE_FLOOR));
 418         if (!o_ptr) return;
 419
 420         for (i = o_ptr->sval * 8; i < o_ptr->sval * 8 + 8; i++)
 421         {
 422                 if (p_ptr->spell_learned1 & (1L << i)) continue;
 423                 if (technic_info[TECHNIC_HISSATSU][i].slevel > p_ptr->lev) continue;
 424
 425                 p_ptr->spell_learned1 |= (1L << i);
 426                 p_ptr->spell_worked1 |= (1L << i);
 427                 msg_format(_("%sの技を覚えた。", "You have learned the special attack of %s."), do_spell(REALM_HISSATSU, i, SPELL_NAME));
 428                 for (j = 0; j < 64; j++)
 429                 {
 430                         /* Stop at the first empty space */
 431                         if (p_ptr->spell_order[j] == 99) break;
 432                 }
 433                 p_ptr->spell_order[j] = i;
 434                 gain = TRUE;
 435         }
 436
 437         /* No gain ... */
 438         if (!gain)
 439                 msg_print(_("何も覚えられなかった。", "You were not able to learn any special attacks."));
 440
 441         else
 442                 p_ptr->energy_use = 100;
 443
 444         p_ptr->update |= (PU_SPELLS);
 445 }
 446
 447
 448 /*!
 449  * @brief 剣術のスレイ倍率計算を行う /
 450  * Calcurate magnification of hissatsu technics
 451  * @param mult 剣術のスレイ効果以前に算出している多要素の倍率(/10倍)
 452  * @param flgs 剣術に使用する武器のスレイフラグ配列
 453  * @param m_ptr 目標となるモンスターの構造体参照ポインタ
 454  * @param mode 剣術のスレイ型ID
 455  * @return スレイの倍率(/10倍)
 456  */
 457 MULTIPLY mult_hissatsu(MULTIPLY mult, BIT_FLAGS *flgs, monster_type *m_ptr, BIT_FLAGS mode)
 458 {
 459         monster_race *r_ptr = &r_info[m_ptr->r_idx];
 460
 461         /* Burning Strike (Fire) */
 462         if (mode == HISSATSU_FIRE)
 463         {
 464                 /* Notice immunity */
 465                 if (r_ptr->flagsr & RFR_EFF_IM_FIRE_MASK)
 466                 {
 467                         if (is_original_ap_and_seen(m_ptr))
 468                         {
 469                                 r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_FIRE_MASK);
 470                         }
 471                 }
 472
 473                 /* Otherwise, take the damage */
 474                 else if (have_flag(flgs, TR_BRAND_FIRE))
 475                 {
 476                         if (r_ptr->flags3 & RF3_HURT_FIRE)
 477                         {
 478                                 if (mult < 70) mult = 70;
 479                                 if (is_original_ap_and_seen(m_ptr))
 480                                 {
 481                                         r_ptr->r_flags3 |= RF3_HURT_FIRE;
 482                                 }
 483                         }
 484                         else if (mult < 35) mult = 35;
 485                 }
 486                 else
 487                 {
 488                         if (r_ptr->flags3 & RF3_HURT_FIRE)
 489                         {
 490                                 if (mult < 50) mult = 50;
 491                                 if (is_original_ap_and_seen(m_ptr))
 492                                 {
 493                                         r_ptr->r_flags3 |= RF3_HURT_FIRE;
 494                                 }
 495                         }
 496                         else if (mult < 25) mult = 25;
 497                 }
 498         }
 499
 500         /* Serpent's Tongue (Poison) */
 501         if (mode == HISSATSU_POISON)
 502         {
 503                 /* Notice immunity */
 504                 if (r_ptr->flagsr & RFR_EFF_IM_POIS_MASK)
 505                 {
 506                         if (is_original_ap_and_seen(m_ptr))
 507                         {
 508                                 r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_POIS_MASK);
 509                         }
 510                 }
 511
 512                 /* Otherwise, take the damage */
 513                 else if (have_flag(flgs, TR_BRAND_POIS))
 514                 {
 515                         if (mult < 35) mult = 35;
 516                 }
 517                 else
 518                 {
 519                         if (mult < 25) mult = 25;
 520                 }
 521         }
 522
 523         /* Zammaken (Nonliving Evil) */
 524         if (mode == HISSATSU_ZANMA)
 525         {
 526                 if (!monster_living(m_ptr->r_idx) && (r_ptr->flags3 & RF3_EVIL))
 527                 {
 528                         if (mult < 15) mult = 25;
 529                         else if (mult < 50) mult = MIN(50, mult+20);
 530                 }
 531         }
 532
 533         /* Rock Smash (Hurt Rock) */
 534         if (mode == HISSATSU_HAGAN)
 535         {
 536                 if (r_ptr->flags3 & RF3_HURT_ROCK)
 537                 {
 538                         if (is_original_ap_and_seen(m_ptr))
 539                         {
 540                                 r_ptr->r_flags3 |= RF3_HURT_ROCK;
 541                         }
 542                         if (mult == 10) mult = 40;
 543                         else if (mult < 60) mult = 60;
 544                 }
 545         }
 546
 547         /* Midare-Setsugekka (Cold) */
 548         if (mode == HISSATSU_COLD)
 549         {
 550                 /* Notice immunity */
 551                 if (r_ptr->flagsr & RFR_EFF_IM_COLD_MASK)
 552                 {
 553                         if (is_original_ap_and_seen(m_ptr))
 554                         {
 555                                 r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_COLD_MASK);
 556                         }
 557                 }
 558                 /* Otherwise, take the damage */
 559                 else if (have_flag(flgs, TR_BRAND_COLD))
 560                 {
 561                         if (r_ptr->flags3 & RF3_HURT_COLD)
 562                         {
 563                                 if (mult < 70) mult = 70;
 564                                 if (is_original_ap_and_seen(m_ptr))
 565                                 {
 566                                         r_ptr->r_flags3 |= RF3_HURT_COLD;
 567                                 }
 568                         }
 569                         else if (mult < 35) mult = 35;
 570                 }
 571                 else
 572                 {
 573                         if (r_ptr->flags3 & RF3_HURT_COLD)
 574                         {
 575                                 if (mult < 50) mult = 50;
 576                                 if (is_original_ap_and_seen(m_ptr))
 577                                 {
 578                                         r_ptr->r_flags3 |= RF3_HURT_COLD;
 579                                 }
 580                         }
 581                         else if (mult < 25) mult = 25;
 582                 }
 583         }
 584
 585         /* Lightning Eagle (Elec) */
 586         if (mode == HISSATSU_ELEC)
 587         {
 588                 /* Notice immunity */
 589                 if (r_ptr->flagsr & RFR_EFF_IM_ELEC_MASK)
 590                 {
 591                         if (is_original_ap_and_seen(m_ptr))
 592                         {
 593                                 r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_ELEC_MASK);
 594                         }
 595                 }
 596
 597                 /* Otherwise, take the damage */
 598                 else if (have_flag(flgs, TR_BRAND_ELEC))
 599                 {
 600                         if (mult < 70) mult = 70;
 601                 }
 602                 else
 603                 {
 604                         if (mult < 50) mult = 50;
 605                 }
 606         }
 607
 608         /* Bloody Maelstrom */
 609         if ((mode == HISSATSU_SEKIRYUKA) && p_ptr->cut && monster_living(m_ptr->r_idx))
 610         {
 611                 MULTIPLY tmp = MIN(100, MAX(10, p_ptr->cut / 10));
 612                 if (mult < tmp) mult = tmp;
 613         }
 614
 615         /* Keiun-Kininken */
 616         if (mode == HISSATSU_UNDEAD)
 617         {
 618                 if (r_ptr->flags3 & RF3_UNDEAD)
 619                 {
 620                         if (is_original_ap_and_seen(m_ptr))
 621                         {
 622                                 r_ptr->r_flags3 |= RF3_UNDEAD;
 623                         }
 624                         if (mult == 10) mult = 70;
 625                         else if (mult < 140) mult = MIN(140, mult+60);
 626                 }
 627                 if (mult == 10) mult = 40;
 628                 else if (mult < 60) mult = MIN(60, mult+30);
 629         }
 630
 631         if (mult > 150) mult = 150;
 632
 633         return mult;
 634 }