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 "monster-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
 187                                 /* Save the screen */
 188                                 if (!use_menu) screen_save();
 189
 190                                 /* Display a list of spells */
 191                                 prt("", y, x);
 192                                 put_str(_("名前              Lv  MP      名前              Lv  MP ",
 193                                                   "name              Lv  SP      name              Lv  SP "), y, x + 5);
 194                                 prt("", y+1, x);
 195                                 /* Dump the spells */
 196                                 for (i = 0, line = 0; i < 32; i++)
 197                                 {
 198                                         spell = technic_info[TECHNIC_HISSATSU][i];
 199
 200                                         if (spell.slevel > PY_MAX_LEVEL) continue;
 201                                         line++;
 202                                         if (!(p_ptr->spell_learned1 >> i)) break;
 203
 204                                         /* Access the spell */
 205                                         if (spell.slevel > plev)   continue;
 206                                         if (!(p_ptr->spell_learned1 & (1L << i))) continue;
 207                                         if (use_menu)
 208                                         {
 209                                                 if (i == (menu_line-1))
 210                                                         strcpy(psi_desc, _("  》", "  > "));
 211                                                 else strcpy(psi_desc, "    ");
 212
 213                                         }
 214                                         else
 215                                         {
 216                                                 char letter;
 217                                                 if (line <= 26)
 218                                                         letter = I2A(line-1);
 219                                                 else
 220                                                         letter = '0' + line - 27;
 221                                                 sprintf(psi_desc, "  %c)",letter);
 222                                         }
 223
 224                                         /* Dump the spell --(-- */
 225                                         strcat(psi_desc, format(" %-18s%2d %3d",
 226                                                 do_spell(REALM_HISSATSU, i, SPELL_NAME),
 227                                                 spell.slevel, spell.smana));
 228                                         prt(psi_desc, y + (line%17) + (line >= 17), x+(line/17)*30);
 229                                         prt("", y + (line%17) + (line >= 17) + 1, x+(line/17)*30);
 230                                 }
 231                         }
 232
 233                         /* Hide the list */
 234                         else
 235                         {
 236                                 /* Hide list */
 237                                 redraw = FALSE;
 238
 239                                 /* Restore the screen */
 240                                 screen_load();
 241                         }
 242
 243                         /* Redo asking */
 244                         continue;
 245                 }
 246
 247                 if (!use_menu)
 248                 {
 249                         if (isalpha(choice))
 250                         {
 251                                 /* Note verify */
 252                                 ask = (isupper(choice));
 253
 254                                 /* Lowercase */
 255                                 if (ask) choice = (char)tolower(choice);
 256
 257                                 /* Extract request */
 258                                 i = (islower(choice) ? A2I(choice) : -1);
 259                         }
 260                         else
 261                         {
 262                                 ask = FALSE; /* Can't uppercase digits */
 263
 264                                 i = choice - '0' + 26;
 265                         }
 266                 }
 267
 268                 /* Totally Illegal */
 269                 if ((i < 0) || (i >= 32) || !(p_ptr->spell_learned1 & (1 << sentaku[i])))
 270                 {
 271                         bell();
 272                         continue;
 273                 }
 274
 275                 j = sentaku[i];
 276
 277                 /* Verify it */
 278                 if (ask)
 279                 {
 280                         char tmp_val[160];
 281
 282                         /* Prompt */
 283                         (void) strnfmt(tmp_val, 78, _("%sを使いますか？", "Use %s? "), do_spell(REALM_HISSATSU, j, SPELL_NAME));
 284
 285                         /* Belay that order */
 286                         if (!get_check(tmp_val)) continue;
 287                 }
 288
 289                 /* Stop the loop */
 290                 flag = TRUE;
 291         }
 292
 293         /* Restore the screen */
 294         if (redraw) screen_load();
 295
 296         /* Show choices */
 297         p_ptr->window |= (PW_SPELL);
 298
 299         window_stuff();
 300
 301
 302         /* Abort if needed */
 303         if (!flag) return (FALSE);
 304
 305         /* Save the choice */
 306         (*sn) = j;
 307
 308         repeat_push((COMMAND_CODE)j);
 309
 310         /* Success */
 311         return (TRUE);
 312 }
 313
 314
 315 /*!
 316  * @brief 剣術コマンドのメインルーチン
 317  * @return なし
 318  */
 319 void do_cmd_hissatsu(void)
 320 {
 321         SPELL_IDX       n = 0;
 322         magic_type      spell;
 323
 324         /* not if confused */
 325         if (p_ptr->confused)
 326         {
 327                 msg_print(_("混乱していて集中できない！", "You are too confused!"));
 328                 return;
 329         }
 330         if (!buki_motteruka(INVEN_RARM) && !buki_motteruka(INVEN_LARM))
 331         {
 332                 if (flush_failure) flush();
 333                 msg_print(_("武器を持たないと必殺技は使えない！", "You need to wield a weapon!"));
 334                 return;
 335         }
 336         if (!p_ptr->spell_learned1)
 337         {
 338                 msg_print(_("何も技を知らない。", "You don't know any special attacks."));
 339                 return;
 340         }
 341
 342         if (p_ptr->special_defense & KATA_MASK)
 343         {
 344                 set_action(ACTION_NONE);
 345         }
 346
 347         /* get power */
 348         if (!get_hissatsu_power(&n)) return;
 349
 350         spell = technic_info[TECHNIC_HISSATSU][n];
 351
 352         /* Verify "dangerous" spells */
 353         if (spell.smana > p_ptr->csp)
 354         {
 355                 if (flush_failure) flush();
 356                 /* Warning */
 357                 msg_print(_("ＭＰが足りません。", "You do not have enough mana to use this power."));
 358                 msg_print(NULL);
 359                 return;
 360         }
 361
 362         sound(SOUND_ZAP);
 363
 364         /* Cast the spell */
 365         if (!do_spell(REALM_HISSATSU, n, SPELL_CAST)) return;
 366
 367         p_ptr->energy_use = 100;
 368
 369         /* Use some mana */
 370         p_ptr->csp -= spell.smana;
 371
 372         /* Limit */
 373         if (p_ptr->csp < 0) p_ptr->csp = 0;
 374
 375         /* Redraw mana */
 376         p_ptr->redraw |= (PR_MANA);
 377
 378         p_ptr->window |= (PW_PLAYER);
 379         p_ptr->window |= (PW_SPELL);
 380 }
 381
 382
 383 /*!
 384  * @brief 剣術コマンドの学習
 385  * @return なし
 386  */
 387 void do_cmd_gain_hissatsu(void)
 388 {
 389         OBJECT_IDX item;
 390         int i, j;
 391
 392         object_type *o_ptr;
 393         cptr q, s;
 394
 395         bool gain = FALSE;
 396
 397         if (p_ptr->special_defense & (KATA_MUSOU | KATA_KOUKIJIN))
 398         {
 399                 set_action(ACTION_NONE);
 400         }
 401
 402         if (p_ptr->blind || no_lite())
 403         {
 404                 msg_print(_("目が見えない！", "You cannot see!"));
 405                 return;
 406         }
 407
 408         if (p_ptr->confused)
 409         {
 410                 msg_print(_("混乱していて読めない！", "You are too confused!"));
 411                 return;
 412         }
 413
 414         if (!(p_ptr->new_spells))
 415         {
 416                 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!"));
 417                 return;
 418         }
 419
 420 #ifdef JP
 421         if( p_ptr->new_spells < 10 ){
 422                 msg_format("あと %d つの必殺技を学べる。", p_ptr->new_spells);
 423         }else{
 424                 msg_format("あと %d 個の必殺技を学べる。", p_ptr->new_spells);
 425         }
 426 #else
 427         msg_format("You can learn %d new special attack%s.", p_ptr->new_spells,
 428                 (p_ptr->new_spells == 1?"":"s"));
 429 #endif
 430
 431         item_tester_tval = TV_HISSATSU_BOOK;
 432
 433         q = _("どの書から学びますか? ", "Study which book? ");
 434         s = _("読める書がない。", "You have no books that you can read.");
 435
 436         if (!get_item(&item, q, s, (USE_INVEN | USE_FLOOR))) return;
 437
 438         /* Get the item (in the pack) */
 439         if (item >= 0)
 440         {
 441                 o_ptr = &inventory[item];
 442         }
 443
 444         /* Get the item (on the floor) */
 445         else
 446         {
 447                 o_ptr = &o_list[0 - item];
 448         }
 449
 450         for (i = o_ptr->sval * 8; i < o_ptr->sval * 8 + 8; i++)
 451         {
 452                 if (p_ptr->spell_learned1 & (1L << i)) continue;
 453                 if (technic_info[TECHNIC_HISSATSU][i].slevel > p_ptr->lev) continue;
 454
 455                 p_ptr->spell_learned1 |= (1L << i);
 456                 p_ptr->spell_worked1 |= (1L << i);
 457                 msg_format(_("%sの技を覚えた。", "You have learned the special attack of %s."), do_spell(REALM_HISSATSU, i, SPELL_NAME));
 458                 for (j = 0; j < 64; j++)
 459                 {
 460                         /* Stop at the first empty space */
 461                         if (p_ptr->spell_order[j] == 99) break;
 462                 }
 463                 p_ptr->spell_order[j] = i;
 464                 gain = TRUE;
 465         }
 466
 467         /* No gain ... */
 468         if (!gain)
 469                 msg_print(_("何も覚えられなかった。", "You were not able to learn any special attacks."));
 470
 471         else
 472                 p_ptr->energy_use = 100;
 473
 474         p_ptr->update |= (PU_SPELLS);
 475 }
 476
 477
 478 /*!
 479  * @brief 剣術のスレイ倍率計算を行う /
 480  * Calcurate magnification of hissatsu technics
 481  * @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)
 482  * @param flgs 剣術に使用する武器のスレイフラグ配列
 483  * @param m_ptr 目標となるモンスターの構造体参照ポインタ
 484  * @param mode 剣術のスレイ型ID
 485  * @return スレイの倍率(/10倍)
 486  */
 487 MULTIPLY mult_hissatsu(MULTIPLY mult, BIT_FLAGS *flgs, monster_type *m_ptr, BIT_FLAGS mode)
 488 {
 489         monster_race *r_ptr = &r_info[m_ptr->r_idx];
 490
 491         /* Burning Strike (Fire) */
 492         if (mode == HISSATSU_FIRE)
 493         {
 494                 /* Notice immunity */
 495                 if (r_ptr->flagsr & RFR_EFF_IM_FIRE_MASK)
 496                 {
 497                         if (is_original_ap_and_seen(m_ptr))
 498                         {
 499                                 r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_FIRE_MASK);
 500                         }
 501                 }
 502
 503                 /* Otherwise, take the damage */
 504                 else if (have_flag(flgs, TR_BRAND_FIRE))
 505                 {
 506                         if (r_ptr->flags3 & RF3_HURT_FIRE)
 507                         {
 508                                 if (mult < 70) mult = 70;
 509                                 if (is_original_ap_and_seen(m_ptr))
 510                                 {
 511                                         r_ptr->r_flags3 |= RF3_HURT_FIRE;
 512                                 }
 513                         }
 514                         else if (mult < 35) mult = 35;
 515                 }
 516                 else
 517                 {
 518                         if (r_ptr->flags3 & RF3_HURT_FIRE)
 519                         {
 520                                 if (mult < 50) mult = 50;
 521                                 if (is_original_ap_and_seen(m_ptr))
 522                                 {
 523                                         r_ptr->r_flags3 |= RF3_HURT_FIRE;
 524                                 }
 525                         }
 526                         else if (mult < 25) mult = 25;
 527                 }
 528         }
 529
 530         /* Serpent's Tongue (Poison) */
 531         if (mode == HISSATSU_POISON)
 532         {
 533                 /* Notice immunity */
 534                 if (r_ptr->flagsr & RFR_EFF_IM_POIS_MASK)
 535                 {
 536                         if (is_original_ap_and_seen(m_ptr))
 537                         {
 538                                 r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_POIS_MASK);
 539                         }
 540                 }
 541
 542                 /* Otherwise, take the damage */
 543                 else if (have_flag(flgs, TR_BRAND_POIS))
 544                 {
 545                         if (mult < 35) mult = 35;
 546                 }
 547                 else
 548                 {
 549                         if (mult < 25) mult = 25;
 550                 }
 551         }
 552
 553         /* Zammaken (Nonliving Evil) */
 554         if (mode == HISSATSU_ZANMA)
 555         {
 556                 if (!monster_living(r_ptr) && (r_ptr->flags3 & RF3_EVIL))
 557                 {
 558                         if (mult < 15) mult = 25;
 559                         else if (mult < 50) mult = MIN(50, mult+20);
 560                 }
 561         }
 562
 563         /* Rock Smash (Hurt Rock) */
 564         if (mode == HISSATSU_HAGAN)
 565         {
 566                 if (r_ptr->flags3 & RF3_HURT_ROCK)
 567                 {
 568                         if (is_original_ap_and_seen(m_ptr))
 569                         {
 570                                 r_ptr->r_flags3 |= RF3_HURT_ROCK;
 571                         }
 572                         if (mult == 10) mult = 40;
 573                         else if (mult < 60) mult = 60;
 574                 }
 575         }
 576
 577         /* Midare-Setsugekka (Cold) */
 578         if (mode == HISSATSU_COLD)
 579         {
 580                 /* Notice immunity */
 581                 if (r_ptr->flagsr & RFR_EFF_IM_COLD_MASK)
 582                 {
 583                         if (is_original_ap_and_seen(m_ptr))
 584                         {
 585                                 r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_COLD_MASK);
 586                         }
 587                 }
 588                 /* Otherwise, take the damage */
 589                 else if (have_flag(flgs, TR_BRAND_COLD))
 590                 {
 591                         if (r_ptr->flags3 & RF3_HURT_COLD)
 592                         {
 593                                 if (mult < 70) mult = 70;
 594                                 if (is_original_ap_and_seen(m_ptr))
 595                                 {
 596                                         r_ptr->r_flags3 |= RF3_HURT_COLD;
 597                                 }
 598                         }
 599                         else if (mult < 35) mult = 35;
 600                 }
 601                 else
 602                 {
 603                         if (r_ptr->flags3 & RF3_HURT_COLD)
 604                         {
 605                                 if (mult < 50) mult = 50;
 606                                 if (is_original_ap_and_seen(m_ptr))
 607                                 {
 608                                         r_ptr->r_flags3 |= RF3_HURT_COLD;
 609                                 }
 610                         }
 611                         else if (mult < 25) mult = 25;
 612                 }
 613         }
 614
 615         /* Lightning Eagle (Elec) */
 616         if (mode == HISSATSU_ELEC)
 617         {
 618                 /* Notice immunity */
 619                 if (r_ptr->flagsr & RFR_EFF_IM_ELEC_MASK)
 620                 {
 621                         if (is_original_ap_and_seen(m_ptr))
 622                         {
 623                                 r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_ELEC_MASK);
 624                         }
 625                 }
 626
 627                 /* Otherwise, take the damage */
 628                 else if (have_flag(flgs, TR_BRAND_ELEC))
 629                 {
 630                         if (mult < 70) mult = 70;
 631                 }
 632                 else
 633                 {
 634                         if (mult < 50) mult = 50;
 635                 }
 636         }
 637
 638         /* Bloody Maelstrom */
 639         if ((mode == HISSATSU_SEKIRYUKA) && p_ptr->cut && monster_living(r_ptr))
 640         {
 641                 MULTIPLY tmp = MIN(100, MAX(10, p_ptr->cut / 10));
 642                 if (mult < tmp) mult = tmp;
 643         }
 644
 645         /* Keiun-Kininken */
 646         if (mode == HISSATSU_UNDEAD)
 647         {
 648                 if (r_ptr->flags3 & RF3_UNDEAD)
 649                 {
 650                         if (is_original_ap_and_seen(m_ptr))
 651                         {
 652                                 r_ptr->r_flags3 |= RF3_UNDEAD;
 653                         }
 654                         if (mult == 10) mult = 70;
 655                         else if (mult < 140) mult = MIN(140, mult+60);
 656                 }
 657                 if (mult == 10) mult = 40;
 658                 else if (mult < 60) mult = MIN(60, mult+30);
 659         }
 660
 661         if (mult > 150) mult = 150;
 662
 663         return mult;
 664 }