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
  16 #define TECHNIC_HISSATSU (REALM_HISSATSU - MIN_TECHNIC)
  17
  18
  19 /*!
  20  * @brief 使用可能な剣術を選択する /
  21  * Allow user to choose a blade arts.
  22  * @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
  23  * @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。
  24  * @details
  25  * If a valid spell is chosen, saves it in '*sn' and returns TRUE\n
  26  * If the user hits escape, returns FALSE, and set '*sn' to -1\n
  27  * If there are no legal choices, returns FALSE, and sets '*sn' to -2\n
  28  *\n
  29  * The "prompt" should be "cast", "recite", or "study"\n
  30  * The "known" should be TRUE for cast/pray, FALSE for study\n
  31  *\n
  32  * nb: This function has a (trivial) display bug which will be obvious\n
  33  * when you run it. It's probably easy to fix but I haven't tried,\n
  34  * sorry.\n
  35  */
  36 static int get_hissatsu_power(SPELL_IDX *sn)
  37 {
  38         SPELL_IDX i;
  39         int j = 0;
  40         int num = 0;
  41         POSITION y = 1;
  42         POSITION x = 15;
  43         PLAYER_LEVEL plev = p_ptr->lev;
  44         int ask = TRUE;
  45         char choice;
  46         char out_val[160];
  47         SPELL_IDX sentaku[32];
  48         cptr p = _("必殺剣", "special attack");
  49         COMMAND_CODE code;
  50         magic_type spell;
  51         bool flag, redraw;
  52         int menu_line = (use_menu ? 1 : 0);
  53
  54         /* Assume cancelled */
  55         *sn = (-1);
  56
  57         /* Get the spell, if available */
  58         if (repeat_pull(&code))
  59         {
  60                 *sn = (SPELL_IDX)code;
  61                 /* Verify the spell */
  62                 if (technic_info[TECHNIC_HISSATSU][*sn].slevel <= plev)
  63                 {
  64                         /* Success */
  65                         return (TRUE);
  66                 }
  67         }
  68
  69         /* Nothing chosen yet */
  70         flag = FALSE;
  71
  72         /* No redraw yet */
  73         redraw = FALSE;
  74
  75         for (i = 0; i < 32; i++)
  76         {
  77                 if (technic_info[TECHNIC_HISSATSU][i].slevel <= PY_MAX_LEVEL)
  78                 {
  79                         sentaku[num] = i;
  80                         num++;
  81                 }
  82         }
  83
  84         /* Build a prompt (accept all spells) */
  85         (void) strnfmt(out_val, 78,
  86                        _("(%^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? "),
  87                        p, I2A(0), "abcdefghijklmnopqrstuvwxyz012345"[num-1], p);
  88
  89         if (use_menu) screen_save();
  90
  91         /* Get a spell from the user */
  92
  93         choice= always_show_list ? ESCAPE:1 ;
  94         while (!flag)
  95         {
  96                 if(choice==ESCAPE) choice = ' ';
  97                 else if( !get_com(out_val, &choice, FALSE) )break;
  98
  99                 if (use_menu && choice != ' ')
 100                 {
 101                         switch(choice)
 102                         {
 103                                 case '0':
 104                                 {
 105                                         screen_load();
 106                                         return (FALSE);
 107                                 }
 108
 109                                 case '8':
 110                                 case 'k':
 111                                 case 'K':
 112                                 {
 113                                         do
 114                                         {
 115                                                 menu_line += 31;
 116                                                 if (menu_line > 32) menu_line -= 32;
 117                                         } while(!(p_ptr->spell_learned1 & (1L << (menu_line-1))));
 118                                         break;
 119                                 }
 120
 121                                 case '2':
 122                                 case 'j':
 123                                 case 'J':
 124                                 {
 125                                         do
 126                                         {
 127                                                 menu_line++;
 128                                                 if (menu_line > 32) menu_line -= 32;
 129                                         } while(!(p_ptr->spell_learned1 & (1L << (menu_line-1))));
 130                                         break;
 131                                 }
 132
 133                                 case '4':
 134                                 case 'h':
 135                                 case 'H':
 136                                 case '6':
 137                                 case 'l':
 138                                 case 'L':
 139                                 {
 140                                         bool reverse = FALSE;
 141                                         if ((choice == '4') || (choice == 'h') || (choice == 'H')) reverse = TRUE;
 142                                         if (menu_line > 16)
 143                                         {
 144                                                 menu_line -= 16;
 145                                                 reverse = TRUE;
 146                                         }
 147                                         else menu_line+=16;
 148                                         while(!(p_ptr->spell_learned1 & (1L << (menu_line-1))))
 149                                         {
 150                                                 if (reverse)
 151                                                 {
 152                                                         menu_line--;
 153                                                         if (menu_line < 2) reverse = FALSE;
 154                                                 }
 155                                                 else
 156                                                 {
 157                                                         menu_line++;
 158                                                         if (menu_line > 31) reverse = TRUE;
 159                                                 }
 160                                         }
 161                                         break;
 162                                 }
 163
 164                                 case 'x':
 165                                 case 'X':
 166                                 case '\r':
 167                                 case '\n':
 168                                 {
 169                                         i = menu_line - 1;
 170                                         ask = FALSE;
 171                                         break;
 172                                 }
 173                         }
 174                 }
 175                 /* Request redraw */
 176                 if ((choice == ' ') || (choice == '*') || (choice == '?') || (use_menu && ask))
 177                 {
 178                         /* Show the list */
 179                         if (!redraw || use_menu)
 180                         {
 181                                 char psi_desc[80];
 182                                 int line;
 183
 184                                 /* Show list */
 185                                 redraw = TRUE;
 186                                 if (!use_menu) screen_save();
 187
 188                                 /* Display a list of spells */
 189                                 prt("", y, x);
 190                                 put_str(_("名前              Lv  MP      名前              Lv  MP ",
 191                                                   "name              Lv  SP      name              Lv  SP "), y, x + 5);
 192                                 prt("", y+1, x);
 193                                 /* Dump the spells */
 194                                 for (i = 0, line = 0; i < 32; i++)
 195                                 {
 196                                         spell = technic_info[TECHNIC_HISSATSU][i];
 197
 198                                         if (spell.slevel > PY_MAX_LEVEL) continue;
 199                                         line++;
 200                                         if (!(p_ptr->spell_learned1 >> i)) break;
 201
 202                                         /* Access the spell */
 203                                         if (spell.slevel > plev)   continue;
 204                                         if (!(p_ptr->spell_learned1 & (1L << i))) continue;
 205                                         if (use_menu)
 206                                         {
 207                                                 if (i == (menu_line-1))
 208                                                         strcpy(psi_desc, _("  》", "  > "));
 209                                                 else strcpy(psi_desc, "    ");
 210
 211                                         }
 212                                         else
 213                                         {
 214                                                 char letter;
 215                                                 if (line <= 26)
 216                                                         letter = I2A(line-1);
 217                                                 else
 218                                                         letter = '0' + line - 27;
 219                                                 sprintf(psi_desc, "  %c)",letter);
 220                                         }
 221
 222                                         /* Dump the spell --(-- */
 223                                         strcat(psi_desc, format(" %-18s%2d %3d",
 224                                                 do_spell(REALM_HISSATSU, i, SPELL_NAME),
 225                                                 spell.slevel, spell.smana));
 226                                         prt(psi_desc, y + (line%17) + (line >= 17), x+(line/17)*30);
 227                                         prt("", y + (line%17) + (line >= 17) + 1, x+(line/17)*30);
 228                                 }
 229                         }
 230
 231                         /* Hide the list */
 232                         else
 233                         {
 234                                 /* Hide list */
 235                                 redraw = FALSE;
 236
 237                                 /* Restore the screen */
 238                                 screen_load();
 239                         }
 240
 241                         /* Redo asking */
 242                         continue;
 243                 }
 244
 245                 if (!use_menu)
 246                 {
 247                         if (isalpha(choice))
 248                         {
 249                                 /* Note verify */
 250                                 ask = (isupper(choice));
 251
 252                                 /* Lowercase */
 253                                 if (ask) choice = (char)tolower(choice);
 254
 255                                 /* Extract request */
 256                                 i = (islower(choice) ? A2I(choice) : -1);
 257                         }
 258                         else
 259                         {
 260                                 ask = FALSE; /* Can't uppercase digits */
 261
 262                                 i = choice - '0' + 26;
 263                         }
 264                 }
 265
 266                 /* Totally Illegal */
 267                 if ((i < 0) || (i >= 32) || !(p_ptr->spell_learned1 & (1 << sentaku[i])))
 268                 {
 269                         bell();
 270                         continue;
 271                 }
 272
 273                 j = sentaku[i];
 274
 275                 /* Verify it */
 276                 if (ask)
 277                 {
 278                         char tmp_val[160];
 279
 280                         /* Prompt */
 281                         (void) strnfmt(tmp_val, 78, _("%sを使いますか？", "Use %s? "), do_spell(REALM_HISSATSU, j, SPELL_NAME));
 282
 283                         /* Belay that order */
 284                         if (!get_check(tmp_val)) continue;
 285                 }
 286
 287                 /* Stop the loop */
 288                 flag = TRUE;
 289         }
 290
 291         /* Restore the screen */
 292         if (redraw) screen_load();
 293
 294         p_ptr->window |= (PW_SPELL);
 295         handle_stuff();
 296
 297         /* Abort if needed */
 298         if (!flag) return (FALSE);
 299
 300         /* Save the choice */
 301         (*sn) = j;
 302
 303         repeat_push((COMMAND_CODE)j);
 304
 305         /* Success */
 306         return (TRUE);
 307 }
 308
 309
 310 /*!
 311  * @brief 剣術コマンドのメインルーチン
 312  * @return なし
 313  */
 314 void do_cmd_hissatsu(void)
 315 {
 316         SPELL_IDX       n = 0;
 317         magic_type      spell;
 318
 319         /* not if confused */
 320         if (p_ptr->confused)
 321         {
 322                 msg_print(_("混乱していて集中できない！", "You are too confused!"));
 323                 return;
 324         }
 325         if (!buki_motteruka(INVEN_RARM) && !buki_motteruka(INVEN_LARM))
 326         {
 327                 if (flush_failure) flush();
 328                 msg_print(_("武器を持たないと必殺技は使えない！", "You need to wield a weapon!"));
 329                 return;
 330         }
 331         if (!p_ptr->spell_learned1)
 332         {
 333                 msg_print(_("何も技を知らない。", "You don't know any special attacks."));
 334                 return;
 335         }
 336
 337         if (p_ptr->special_defense & KATA_MASK)
 338         {
 339                 set_action(ACTION_NONE);
 340         }
 341
 342         /* get power */
 343         if (!get_hissatsu_power(&n)) return;
 344
 345         spell = technic_info[TECHNIC_HISSATSU][n];
 346
 347         /* Verify "dangerous" spells */
 348         if (spell.smana > p_ptr->csp)
 349         {
 350                 if (flush_failure) flush();
 351                 /* Warning */
 352                 msg_print(_("ＭＰが足りません。", "You do not have enough mana to use this power."));
 353                 msg_print(NULL);
 354                 return;
 355         }
 356
 357         sound(SOUND_ZAP);
 358
 359         /* Cast the spell */
 360         if (!do_spell(REALM_HISSATSU, n, SPELL_CAST)) return;
 361
 362         p_ptr->energy_use = 100;
 363
 364         /* Use some mana */
 365         p_ptr->csp -= spell.smana;
 366
 367         /* Limit */
 368         if (p_ptr->csp < 0) p_ptr->csp = 0;
 369         p_ptr->redraw |= (PR_MANA);
 370
 371         p_ptr->window |= (PW_PLAYER);
 372         p_ptr->window |= (PW_SPELL);
 373 }
 374
 375
 376 /*!
 377  * @brief 剣術コマンドの学習
 378  * @return なし
 379  */
 380 void do_cmd_gain_hissatsu(void)
 381 {
 382         OBJECT_IDX item;
 383         int i, j;
 384
 385         object_type *o_ptr;
 386         cptr q, s;
 387
 388         bool gain = FALSE;
 389
 390         if (p_ptr->special_defense & (KATA_MUSOU | KATA_KOUKIJIN))
 391         {
 392                 set_action(ACTION_NONE);
 393         }
 394
 395         if (p_ptr->blind || no_lite())
 396         {
 397                 msg_print(_("目が見えない！", "You cannot see!"));
 398                 return;
 399         }
 400
 401         if (p_ptr->confused)
 402         {
 403                 msg_print(_("混乱していて読めない！", "You are too confused!"));
 404                 return;
 405         }
 406
 407         if (!(p_ptr->new_spells))
 408         {
 409                 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!"));
 410                 return;
 411         }
 412
 413 #ifdef JP
 414         if( p_ptr->new_spells < 10 ){
 415                 msg_format("あと %d つの必殺技を学べる。", p_ptr->new_spells);
 416         }else{
 417                 msg_format("あと %d 個の必殺技を学べる。", p_ptr->new_spells);
 418         }
 419 #else
 420         msg_format("You can learn %d new special attack%s.", p_ptr->new_spells,
 421                 (p_ptr->new_spells == 1?"":"s"));
 422 #endif
 423
 424         item_tester_tval = TV_HISSATSU_BOOK;
 425
 426         q = _("どの書から学びますか? ", "Study which book? ");
 427         s = _("読める書がない。", "You have no books that you can read.");
 428
 429         if (!get_item(&item, q, s, (USE_INVEN | USE_FLOOR))) return;
 430
 431         /* Get the item (in the pack) */
 432         if (item >= 0)
 433         {
 434                 o_ptr = &inventory[item];
 435         }
 436
 437         /* Get the item (on the floor) */
 438         else
 439         {
 440                 o_ptr = &o_list[0 - item];
 441         }
 442
 443         for (i = o_ptr->sval * 8; i < o_ptr->sval * 8 + 8; i++)
 444         {
 445                 if (p_ptr->spell_learned1 & (1L << i)) continue;
 446                 if (technic_info[TECHNIC_HISSATSU][i].slevel > p_ptr->lev) continue;
 447
 448                 p_ptr->spell_learned1 |= (1L << i);
 449                 p_ptr->spell_worked1 |= (1L << i);
 450                 msg_format(_("%sの技を覚えた。", "You have learned the special attack of %s."), do_spell(REALM_HISSATSU, i, SPELL_NAME));
 451                 for (j = 0; j < 64; j++)
 452                 {
 453                         /* Stop at the first empty space */
 454                         if (p_ptr->spell_order[j] == 99) break;
 455                 }
 456                 p_ptr->spell_order[j] = i;
 457                 gain = TRUE;
 458         }
 459
 460         /* No gain ... */
 461         if (!gain)
 462                 msg_print(_("何も覚えられなかった。", "You were not able to learn any special attacks."));
 463
 464         else
 465                 p_ptr->energy_use = 100;
 466
 467         p_ptr->update |= (PU_SPELLS);
 468 }
 469
 470
 471 /*!
 472  * @brief 剣術のスレイ倍率計算を行う /
 473  * Calcurate magnification of hissatsu technics
 474  * @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)
 475  * @param flgs 剣術に使用する武器のスレイフラグ配列
 476  * @param m_ptr 目標となるモンスターの構造体参照ポインタ
 477  * @param mode 剣術のスレイ型ID
 478  * @return スレイの倍率(/10倍)
 479  */
 480 MULTIPLY mult_hissatsu(MULTIPLY mult, BIT_FLAGS *flgs, monster_type *m_ptr, BIT_FLAGS mode)
 481 {
 482         monster_race *r_ptr = &r_info[m_ptr->r_idx];
 483
 484         /* Burning Strike (Fire) */
 485         if (mode == HISSATSU_FIRE)
 486         {
 487                 /* Notice immunity */
 488                 if (r_ptr->flagsr & RFR_EFF_IM_FIRE_MASK)
 489                 {
 490                         if (is_original_ap_and_seen(m_ptr))
 491                         {
 492                                 r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_FIRE_MASK);
 493                         }
 494                 }
 495
 496                 /* Otherwise, take the damage */
 497                 else if (have_flag(flgs, TR_BRAND_FIRE))
 498                 {
 499                         if (r_ptr->flags3 & RF3_HURT_FIRE)
 500                         {
 501                                 if (mult < 70) mult = 70;
 502                                 if (is_original_ap_and_seen(m_ptr))
 503                                 {
 504                                         r_ptr->r_flags3 |= RF3_HURT_FIRE;
 505                                 }
 506                         }
 507                         else if (mult < 35) mult = 35;
 508                 }
 509                 else
 510                 {
 511                         if (r_ptr->flags3 & RF3_HURT_FIRE)
 512                         {
 513                                 if (mult < 50) mult = 50;
 514                                 if (is_original_ap_and_seen(m_ptr))
 515                                 {
 516                                         r_ptr->r_flags3 |= RF3_HURT_FIRE;
 517                                 }
 518                         }
 519                         else if (mult < 25) mult = 25;
 520                 }
 521         }
 522
 523         /* Serpent's Tongue (Poison) */
 524         if (mode == HISSATSU_POISON)
 525         {
 526                 /* Notice immunity */
 527                 if (r_ptr->flagsr & RFR_EFF_IM_POIS_MASK)
 528                 {
 529                         if (is_original_ap_and_seen(m_ptr))
 530                         {
 531                                 r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_POIS_MASK);
 532                         }
 533                 }
 534
 535                 /* Otherwise, take the damage */
 536                 else if (have_flag(flgs, TR_BRAND_POIS))
 537                 {
 538                         if (mult < 35) mult = 35;
 539                 }
 540                 else
 541                 {
 542                         if (mult < 25) mult = 25;
 543                 }
 544         }
 545
 546         /* Zammaken (Nonliving Evil) */
 547         if (mode == HISSATSU_ZANMA)
 548         {
 549                 if (!monster_living(m_ptr->r_idx) && (r_ptr->flags3 & RF3_EVIL))
 550                 {
 551                         if (mult < 15) mult = 25;
 552                         else if (mult < 50) mult = MIN(50, mult+20);
 553                 }
 554         }
 555
 556         /* Rock Smash (Hurt Rock) */
 557         if (mode == HISSATSU_HAGAN)
 558         {
 559                 if (r_ptr->flags3 & RF3_HURT_ROCK)
 560                 {
 561                         if (is_original_ap_and_seen(m_ptr))
 562                         {
 563                                 r_ptr->r_flags3 |= RF3_HURT_ROCK;
 564                         }
 565                         if (mult == 10) mult = 40;
 566                         else if (mult < 60) mult = 60;
 567                 }
 568         }
 569
 570         /* Midare-Setsugekka (Cold) */
 571         if (mode == HISSATSU_COLD)
 572         {
 573                 /* Notice immunity */
 574                 if (r_ptr->flagsr & RFR_EFF_IM_COLD_MASK)
 575                 {
 576                         if (is_original_ap_and_seen(m_ptr))
 577                         {
 578                                 r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_COLD_MASK);
 579                         }
 580                 }
 581                 /* Otherwise, take the damage */
 582                 else if (have_flag(flgs, TR_BRAND_COLD))
 583                 {
 584                         if (r_ptr->flags3 & RF3_HURT_COLD)
 585                         {
 586                                 if (mult < 70) mult = 70;
 587                                 if (is_original_ap_and_seen(m_ptr))
 588                                 {
 589                                         r_ptr->r_flags3 |= RF3_HURT_COLD;
 590                                 }
 591                         }
 592                         else if (mult < 35) mult = 35;
 593                 }
 594                 else
 595                 {
 596                         if (r_ptr->flags3 & RF3_HURT_COLD)
 597                         {
 598                                 if (mult < 50) mult = 50;
 599                                 if (is_original_ap_and_seen(m_ptr))
 600                                 {
 601                                         r_ptr->r_flags3 |= RF3_HURT_COLD;
 602                                 }
 603                         }
 604                         else if (mult < 25) mult = 25;
 605                 }
 606         }
 607
 608         /* Lightning Eagle (Elec) */
 609         if (mode == HISSATSU_ELEC)
 610         {
 611                 /* Notice immunity */
 612                 if (r_ptr->flagsr & RFR_EFF_IM_ELEC_MASK)
 613                 {
 614                         if (is_original_ap_and_seen(m_ptr))
 615                         {
 616                                 r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_ELEC_MASK);
 617                         }
 618                 }
 619
 620                 /* Otherwise, take the damage */
 621                 else if (have_flag(flgs, TR_BRAND_ELEC))
 622                 {
 623                         if (mult < 70) mult = 70;
 624                 }
 625                 else
 626                 {
 627                         if (mult < 50) mult = 50;
 628                 }
 629         }
 630
 631         /* Bloody Maelstrom */
 632         if ((mode == HISSATSU_SEKIRYUKA) && p_ptr->cut && monster_living(m_ptr->r_idx))
 633         {
 634                 MULTIPLY tmp = MIN(100, MAX(10, p_ptr->cut / 10));
 635                 if (mult < tmp) mult = tmp;
 636         }
 637
 638         /* Keiun-Kininken */
 639         if (mode == HISSATSU_UNDEAD)
 640         {
 641                 if (r_ptr->flags3 & RF3_UNDEAD)
 642                 {
 643                         if (is_original_ap_and_seen(m_ptr))
 644                         {
 645                                 r_ptr->r_flags3 |= RF3_UNDEAD;
 646                         }
 647                         if (mult == 10) mult = 70;
 648                         else if (mult < 140) mult = MIN(140, mult+60);
 649                 }
 650                 if (mult == 10) mult = 40;
 651                 else if (mult < 60) mult = MIN(60, mult+30);
 652         }
 653
 654         if (mult > 150) mult = 150;
 655
 656         return mult;
 657 }