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