src/shoot.c

   1 #include "angband.h"
   2 #include "projection.h"
   3 #include "monster-status.h"
   4 #include "artifact.h"
   5 #include "avatar.h"
   6 #include "player-status.h"
   7
   8 #include "shoot.h"
   9 /*!
  10  * @brief 矢弾を射撃した際のスレイ倍率をかけた結果を返す /
  11  * Determines the odds of an object breaking when thrown at a monster
  12  * @param o_ptr 矢弾のオブジェクト構造体参照ポインタ
  13  * @param tdam 計算途中のダメージ量
  14  * @param m_ptr 目標モンスターの構造体参照ポインタ
  15  * @return スレイ倍率をかけたダメージ量
  16  */
  17 static s16b tot_dam_aux_shot(object_type *o_ptr, int tdam, monster_type *m_ptr)
  18 {
  19         int mult = 10;
  20
  21         monster_race *r_ptr = &r_info[m_ptr->r_idx];
  22
  23         BIT_FLAGS flgs[TR_FLAG_SIZE];
  24         object_flags(o_ptr, flgs);
  25
  26         /* Some "weapons" and "ammo" do extra damage */
  27         switch (o_ptr->tval)
  28         {
  29         case TV_SHOT:
  30         case TV_ARROW:
  31         case TV_BOLT:
  32         {
  33                 if ((have_flag(flgs, TR_SLAY_ANIMAL)) && (r_ptr->flags3 & RF3_ANIMAL))
  34                 {
  35                         if (is_original_ap_and_seen(m_ptr))
  36                         {
  37                                 r_ptr->r_flags3 |= RF3_ANIMAL;
  38                         }
  39                         if (mult < 17) mult = 17;
  40                 }
  41
  42                 if ((have_flag(flgs, TR_KILL_ANIMAL)) && (r_ptr->flags3 & RF3_ANIMAL))
  43                 {
  44                         if (is_original_ap_and_seen(m_ptr))
  45                         {
  46                                 r_ptr->r_flags3 |= RF3_ANIMAL;
  47                         }
  48                         if (mult < 27) mult = 27;
  49                 }
  50
  51                 if ((have_flag(flgs, TR_SLAY_EVIL)) && (r_ptr->flags3 & RF3_EVIL))
  52                 {
  53                         if (is_original_ap_and_seen(m_ptr))
  54                         {
  55                                 r_ptr->r_flags3 |= RF3_EVIL;
  56                         }
  57                         if (mult < 15) mult = 15;
  58                 }
  59
  60                 if ((have_flag(flgs, TR_KILL_EVIL)) && (r_ptr->flags3 & RF3_EVIL))
  61                 {
  62                         if (is_original_ap_and_seen(m_ptr))
  63                         {
  64                                 r_ptr->r_flags3 |= RF3_EVIL;
  65                         }
  66                         if (mult < 25) mult = 25;
  67                 }
  68
  69                 if ((have_flag(flgs, TR_SLAY_HUMAN)) && (r_ptr->flags2 & RF2_HUMAN))
  70                 {
  71                         if (is_original_ap_and_seen(m_ptr))
  72                         {
  73                                 r_ptr->r_flags2 |= RF2_HUMAN;
  74                         }
  75                         if (mult < 17) mult = 17;
  76                 }
  77
  78                 if ((have_flag(flgs, TR_KILL_HUMAN)) && (r_ptr->flags2 & RF2_HUMAN))
  79                 {
  80                         if (is_original_ap_and_seen(m_ptr))
  81                         {
  82                                 r_ptr->r_flags2 |= RF2_HUMAN;
  83                         }
  84                         if (mult < 27) mult = 27;
  85                 }
  86
  87                 if ((have_flag(flgs, TR_SLAY_UNDEAD)) && (r_ptr->flags3 & RF3_UNDEAD))
  88                 {
  89                         if (is_original_ap_and_seen(m_ptr))
  90                         {
  91                                 r_ptr->r_flags3 |= RF3_UNDEAD;
  92                         }
  93                         if (mult < 20) mult = 20;
  94                 }
  95
  96                 if ((have_flag(flgs, TR_KILL_UNDEAD)) && (r_ptr->flags3 & RF3_UNDEAD))
  97                 {
  98                         if (is_original_ap_and_seen(m_ptr))
  99                         {
 100                                 r_ptr->r_flags3 |= RF3_UNDEAD;
 101                         }
 102                         if (mult < 30) mult = 30;
 103                 }
 104
 105                 if ((have_flag(flgs, TR_SLAY_DEMON)) && (r_ptr->flags3 & RF3_DEMON))
 106                 {
 107                         if (is_original_ap_and_seen(m_ptr))
 108                         {
 109                                 r_ptr->r_flags3 |= RF3_DEMON;
 110                         }
 111                         if (mult < 20) mult = 20;
 112                 }
 113
 114                 if ((have_flag(flgs, TR_KILL_DEMON)) && (r_ptr->flags3 & RF3_DEMON))
 115                 {
 116                         if (is_original_ap_and_seen(m_ptr))
 117                         {
 118                                 r_ptr->r_flags3 |= RF3_DEMON;
 119                         }
 120                         if (mult < 30) mult = 30;
 121                 }
 122
 123                 if ((have_flag(flgs, TR_SLAY_ORC)) && (r_ptr->flags3 & RF3_ORC))
 124                 {
 125                         if (is_original_ap_and_seen(m_ptr))
 126                         {
 127                                 r_ptr->r_flags3 |= RF3_ORC;
 128                         }
 129                         if (mult < 20) mult = 20;
 130                 }
 131
 132                 if ((have_flag(flgs, TR_KILL_ORC)) && (r_ptr->flags3 & RF3_ORC))
 133                 {
 134                         if (is_original_ap_and_seen(m_ptr))
 135                         {
 136                                 r_ptr->r_flags3 |= RF3_ORC;
 137                         }
 138                         if (mult < 30) mult = 30;
 139                 }
 140
 141                 if ((have_flag(flgs, TR_SLAY_TROLL)) && (r_ptr->flags3 & RF3_TROLL))
 142                 {
 143                         if (is_original_ap_and_seen(m_ptr))
 144                         {
 145                                 r_ptr->r_flags3 |= RF3_TROLL;
 146                         }
 147
 148                         if (mult < 20) mult = 20;
 149                 }
 150
 151                 if ((have_flag(flgs, TR_KILL_TROLL)) && (r_ptr->flags3 & RF3_TROLL))
 152                 {
 153                         if (is_original_ap_and_seen(m_ptr))
 154                         {
 155                                 r_ptr->r_flags3 |= RF3_TROLL;
 156                         }
 157                         if (mult < 30) mult = 30;
 158                 }
 159
 160                 if ((have_flag(flgs, TR_SLAY_GIANT)) && (r_ptr->flags3 & RF3_GIANT))
 161                 {
 162                         if (is_original_ap_and_seen(m_ptr))
 163                         {
 164                                 r_ptr->r_flags3 |= RF3_GIANT;
 165                         }
 166                         if (mult < 20) mult = 20;
 167                 }
 168
 169                 if ((have_flag(flgs, TR_KILL_GIANT)) && (r_ptr->flags3 & RF3_GIANT))
 170                 {
 171                         if (is_original_ap_and_seen(m_ptr))
 172                         {
 173                                 r_ptr->r_flags3 |= RF3_GIANT;
 174                         }
 175                         if (mult < 30) mult = 30;
 176                 }
 177
 178                 if ((have_flag(flgs, TR_SLAY_DRAGON)) && (r_ptr->flags3 & RF3_DRAGON))
 179                 {
 180                         if (is_original_ap_and_seen(m_ptr))
 181                         {
 182                                 r_ptr->r_flags3 |= RF3_DRAGON;
 183                         }
 184                         if (mult < 20) mult = 20;
 185                 }
 186
 187                 if ((have_flag(flgs, TR_KILL_DRAGON)) && (r_ptr->flags3 & RF3_DRAGON))
 188                 {
 189                         if (is_original_ap_and_seen(m_ptr))
 190                         {
 191                                 r_ptr->r_flags3 |= RF3_DRAGON;
 192                         }
 193                         if (mult < 30) mult = 30;
 194                         if ((o_ptr->name1 == ART_BARD_ARROW) && (m_ptr->r_idx == MON_SMAUG) &&
 195                                 (inventory[INVEN_BOW].name1 == ART_BARD))
 196                                 mult *= 5;
 197                 }
 198
 199                 if (have_flag(flgs, TR_BRAND_ACID))
 200                 {
 201                         /* Notice immunity */
 202                         if (r_ptr->flagsr & RFR_EFF_IM_ACID_MASK)
 203                         {
 204                                 if (is_original_ap_and_seen(m_ptr))
 205                                 {
 206                                         r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_ACID_MASK);
 207                                 }
 208                         }
 209                         else
 210                         {
 211                                 if (mult < 17) mult = 17;
 212                         }
 213                 }
 214
 215                 if (have_flag(flgs, TR_BRAND_ELEC))
 216                 {
 217                         /* Notice immunity */
 218                         if (r_ptr->flagsr & RFR_EFF_IM_ELEC_MASK)
 219                         {
 220                                 if (is_original_ap_and_seen(m_ptr))
 221                                 {
 222                                         r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_ELEC_MASK);
 223                                 }
 224                         }
 225                         else
 226                         {
 227                                 if (mult < 17) mult = 17;
 228                         }
 229                 }
 230
 231                 if (have_flag(flgs, TR_BRAND_FIRE))
 232                 {
 233                         /* Notice immunity */
 234                         if (r_ptr->flagsr & RFR_EFF_IM_FIRE_MASK)
 235                         {
 236                                 if (is_original_ap_and_seen(m_ptr))
 237                                 {
 238                                         r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_FIRE_MASK);
 239                                 }
 240                         }
 241                         /* Otherwise, take the damage */
 242                         else
 243                         {
 244                                 if (r_ptr->flags3 & RF3_HURT_FIRE)
 245                                 {
 246                                         if (mult < 25) mult = 25;
 247                                         if (is_original_ap_and_seen(m_ptr))
 248                                         {
 249                                                 r_ptr->r_flags3 |= RF3_HURT_FIRE;
 250                                         }
 251                                 }
 252                                 else if (mult < 17) mult = 17;
 253                         }
 254                 }
 255
 256                 if (have_flag(flgs, TR_BRAND_COLD))
 257                 {
 258                         /* Notice immunity */
 259                         if (r_ptr->flagsr & RFR_EFF_IM_COLD_MASK)
 260                         {
 261                                 if (is_original_ap_and_seen(m_ptr))
 262                                 {
 263                                         r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_COLD_MASK);
 264                                 }
 265                         }
 266                         /* Otherwise, take the damage */
 267                         else
 268                         {
 269                                 if (r_ptr->flags3 & RF3_HURT_COLD)
 270                                 {
 271                                         if (mult < 25) mult = 25;
 272                                         if (is_original_ap_and_seen(m_ptr))
 273                                         {
 274                                                 r_ptr->r_flags3 |= RF3_HURT_COLD;
 275                                         }
 276                                 }
 277                                 else if (mult < 17) mult = 17;
 278                         }
 279                 }
 280
 281                 if (have_flag(flgs, TR_BRAND_POIS))
 282                 {
 283                         /* Notice immunity */
 284                         if (r_ptr->flagsr & RFR_EFF_IM_POIS_MASK)
 285                         {
 286                                 if (is_original_ap_and_seen(m_ptr))
 287                                 {
 288                                         r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_POIS_MASK);
 289                                 }
 290                         }
 291                         /* Otherwise, take the damage */
 292                         else
 293                         {
 294                                 if (mult < 17) mult = 17;
 295                         }
 296                 }
 297
 298                 if ((have_flag(flgs, TR_FORCE_WEAPON)) && (p_ptr->csp > (p_ptr->msp / 30)))
 299                 {
 300                         p_ptr->csp -= (1 + (p_ptr->msp / 30));
 301                         p_ptr->redraw |= (PR_MANA);
 302                         mult = mult * 5 / 2;
 303                 }
 304                 break;
 305         }
 306         }
 307
 308         /* Sniper */
 309         if (snipe_type) mult = tot_dam_aux_snipe(mult, m_ptr);
 310
 311         /* Return the total damage */
 312         return (tdam * mult / 10);
 313 }
 314
 315
 316 /*!
 317  * @brief 射撃処理実行 /
 318  * Fire an object from the pack or floor.
 319  * @param item 射撃するオブジェクトの所持ID
 320  * @param j_ptr 射撃武器のオブジェクト参照ポインタ
 321  * @return なし
 322  * @details
 323  * <pre>
 324  * You may only fire items that "match" your missile launcher.
 325  * You must use slings + pebbles/shots, bows + arrows, xbows + bolts.
 326  * See "calc_bonuses()" for more calculations and such.
 327  * Note that "firing" a missile is MUCH better than "throwing" it.
 328  * Note: "unseen" monsters are very hard to hit.
 329  * Objects are more likely to break if they "attempt" to hit a monster.
 330  * Rangers (with Bows) and Anyone (with "Extra Shots") get extra shots.
 331  * The "extra shot" code works by decreasing the amount of energy
 332  * required to make each shot, spreading the shots out over time.
 333  * Note that when firing missiles, the launcher multiplier is applied
 334  * after all the bonuses are added in, making multipliers very useful.
 335  * Note that Bows of "Extra Might" get extra range and an extra bonus
 336  * for the damage multiplier.
 337  * Note that Bows of "Extra Shots" give an extra shot.
 338  * </pre>
 339  */
 340 void exe_fire(INVENTORY_IDX item, object_type *j_ptr)
 341 {
 342         DIRECTION dir;
 343         int i;
 344         POSITION y, x, ny, nx, ty, tx, prev_y, prev_x;
 345         int tdam_base, tdis, thits, tmul;
 346         int bonus, chance;
 347         int cur_dis, visible;
 348         PERCENTAGE j;
 349
 350         object_type forge;
 351         object_type *q_ptr;
 352
 353         object_type *o_ptr;
 354
 355         bool hit_body = FALSE;
 356
 357         GAME_TEXT o_name[MAX_NLEN];
 358
 359         u16b path_g[512];       /* For calcuration of path length */
 360
 361         int msec = delay_factor * delay_factor * delay_factor;
 362
 363         /* STICK TO */
 364         bool stick_to = FALSE;
 365
 366         /* Access the item (if in the pack) */
 367         if (item >= 0)
 368         {
 369                 o_ptr = &inventory[item];
 370         }
 371         else
 372         {
 373                 o_ptr = &o_list[0 - item];
 374         }
 375
 376         /* Sniper - Cannot shot a single arrow twice */
 377         if ((snipe_type == SP_DOUBLE) && (o_ptr->number < 2)) snipe_type = SP_NONE;
 378
 379         object_desc(o_name, o_ptr, OD_OMIT_PREFIX);
 380
 381         /* Use the proper number of shots */
 382         thits = p_ptr->num_fire;
 383
 384         /* Use a base distance */
 385         tdis = 10;
 386
 387         /* Base damage from thrown object plus launcher bonus */
 388         tdam_base = damroll(o_ptr->dd, o_ptr->ds) + o_ptr->to_d + j_ptr->to_d;
 389
 390         /* Actually "fire" the object */
 391         bonus = (p_ptr->to_h_b + o_ptr->to_h + j_ptr->to_h);
 392         if ((j_ptr->sval == SV_LIGHT_XBOW) || (j_ptr->sval == SV_HEAVY_XBOW))
 393                 chance = (p_ptr->skill_thb + (p_ptr->weapon_exp[0][j_ptr->sval] / 400 + bonus) * BTH_PLUS_ADJ);
 394         else
 395                 chance = (p_ptr->skill_thb + ((p_ptr->weapon_exp[0][j_ptr->sval] - (WEAPON_EXP_MASTER / 2)) / 200 + bonus) * BTH_PLUS_ADJ);
 396
 397         p_ptr->energy_use = bow_energy(j_ptr->sval);
 398         tmul = bow_tmul(j_ptr->sval);
 399
 400         /* Get extra "power" from "extra might" */
 401         if (p_ptr->xtra_might) tmul++;
 402
 403         tmul = tmul * (100 + (int)(adj_str_td[p_ptr->stat_ind[A_STR]]) - 128);
 404
 405         /* Boost the damage */
 406         tdam_base *= tmul;
 407         tdam_base /= 100;
 408
 409         /* Base range */
 410         tdis = 13 + tmul / 80;
 411         if ((j_ptr->sval == SV_LIGHT_XBOW) || (j_ptr->sval == SV_HEAVY_XBOW))
 412         {
 413                 if (p_ptr->concent)
 414                         tdis -= (5 - (p_ptr->concent + 1) / 2);
 415                 else
 416                         tdis -= 5;
 417         }
 418
 419         project_length = tdis + 1;
 420
 421         /* Get a direction (or cancel) */
 422         if (!get_aim_dir(&dir))
 423         {
 424                 free_turn(p_ptr);
 425
 426                 if (snipe_type == SP_AWAY) snipe_type = SP_NONE;
 427
 428                 /* need not to reset project_length (already did)*/
 429
 430                 return;
 431         }
 432
 433         /* Predict the "target" location */
 434         tx = p_ptr->x + 99 * ddx[dir];
 435         ty = p_ptr->y + 99 * ddy[dir];
 436
 437         /* Check for "target request" */
 438         if ((dir == 5) && target_okay())
 439         {
 440                 tx = target_col;
 441                 ty = target_row;
 442         }
 443
 444         /* Get projection path length */
 445         tdis = project_path(path_g, project_length, p_ptr->y, p_ptr->x, ty, tx, PROJECT_PATH | PROJECT_THRU) - 1;
 446
 447         project_length = 0; /* reset to default */
 448
 449         /* Don't shoot at my feet */
 450         if (tx == p_ptr->x && ty == p_ptr->y)
 451         {
 452                 free_turn(p_ptr);
 453
 454                 /* project_length is already reset to 0 */
 455
 456                 return;
 457         }
 458
 459
 460         /* Take a (partial) turn */
 461         p_ptr->energy_use = (p_ptr->energy_use / thits);
 462         is_fired = TRUE;
 463
 464         /* Sniper - Difficult to shot twice at 1 turn */
 465         if (snipe_type == SP_DOUBLE)  p_ptr->concent = (p_ptr->concent + 1) / 2;
 466
 467         /* Sniper - Repeat shooting when double shots */
 468         for (i = 0; i < ((snipe_type == SP_DOUBLE) ? 2 : 1); i++)
 469         {
 470
 471                 /* Start at the player */
 472                 y = p_ptr->y;
 473                 x = p_ptr->x;
 474                 q_ptr = &forge;
 475
 476                 /* Obtain a local object */
 477                 object_copy(q_ptr, o_ptr);
 478
 479                 /* Single object */
 480                 q_ptr->number = 1;
 481
 482                 /* Reduce and describe inventory */
 483                 if (item >= 0)
 484                 {
 485                         inven_item_increase(item, -1);
 486                         inven_item_describe(item);
 487                         inven_item_optimize(item);
 488                 }
 489
 490                 /* Reduce and describe floor item */
 491                 else
 492                 {
 493                         floor_item_increase(0 - item, -1);
 494                         floor_item_optimize(0 - item);
 495                 }
 496
 497                 sound(SOUND_SHOOT);
 498                 handle_stuff();
 499
 500                 prev_y = y;
 501                 prev_x = x;
 502
 503                 /* The shot does not hit yet */
 504                 hit_body = FALSE;
 505
 506                 /* Travel until stopped */
 507                 for (cur_dis = 0; cur_dis <= tdis; )
 508                 {
 509                         cave_type *c_ptr;
 510
 511                         /* Hack -- Stop at the target */
 512                         if ((y == ty) && (x == tx)) break;
 513
 514                         /* Calculate the new location (see "project()") */
 515                         ny = y;
 516                         nx = x;
 517                         mmove2(&ny, &nx, p_ptr->y, p_ptr->x, ty, tx);
 518
 519                         /* Shatter Arrow */
 520                         if (snipe_type == SP_KILL_WALL)
 521                         {
 522                                 c_ptr = &cave[ny][nx];
 523
 524                                 if (cave_have_flag_grid(c_ptr, FF_HURT_ROCK) && !c_ptr->m_idx)
 525                                 {
 526                                         if (c_ptr->info & (CAVE_MARK)) msg_print(_("岩が砕け散った。", "Wall rocks were shattered."));
 527                                         /* Forget the wall */
 528                                         c_ptr->info &= ~(CAVE_MARK);
 529                                         p_ptr->update |= (PU_VIEW | PU_LITE | PU_FLOW | PU_MON_LITE);
 530
 531                                         /* Destroy the wall */
 532                                         cave_alter_feat(ny, nx, FF_HURT_ROCK);
 533
 534                                         hit_body = TRUE;
 535                                         break;
 536                                 }
 537                         }
 538
 539                         /* Stopped by walls/doors */
 540                         if (!cave_have_flag_bold(ny, nx, FF_PROJECT) && !cave[ny][nx].m_idx) break;
 541
 542                         /* Advance the distance */
 543                         cur_dis++;
 544
 545                         /* Sniper */
 546                         if (snipe_type == SP_LITE)
 547                         {
 548                                 cave[ny][nx].info |= (CAVE_GLOW);
 549                                 note_spot(ny, nx);
 550                                 lite_spot(ny, nx);
 551                         }
 552
 553                         /* The player can see the (on screen) missile */
 554                         if (panel_contains(ny, nx) && player_can_see_bold(ny, nx))
 555                         {
 556                                 char c = object_char(q_ptr);
 557                                 byte a = object_attr(q_ptr);
 558
 559                                 /* Draw, Hilite, Fresh, Pause, Erase */
 560                                 print_rel(c, a, ny, nx);
 561                                 move_cursor_relative(ny, nx);
 562                                 Term_fresh();
 563                                 Term_xtra(TERM_XTRA_DELAY, msec);
 564                                 lite_spot(ny, nx);
 565                                 Term_fresh();
 566                         }
 567
 568                         /* The player cannot see the missile */
 569                         else
 570                         {
 571                                 /* Pause anyway, for consistancy */
 572                                 Term_xtra(TERM_XTRA_DELAY, msec);
 573                         }
 574
 575                         /* Sniper */
 576                         if (snipe_type == SP_KILL_TRAP)
 577                         {
 578                                 project(0, 0, ny, nx, 0, GF_KILL_TRAP,
 579                                         (PROJECT_JUMP | PROJECT_HIDE | PROJECT_GRID | PROJECT_ITEM), -1);
 580                         }
 581
 582                         /* Sniper */
 583                         if (snipe_type == SP_EVILNESS)
 584                         {
 585                                 cave[ny][nx].info &= ~(CAVE_GLOW | CAVE_MARK);
 586                                 note_spot(ny, nx);
 587                                 lite_spot(ny, nx);
 588                         }
 589
 590                         prev_y = y;
 591                         prev_x = x;
 592
 593                         /* Save the new location */
 594                         x = nx;
 595                         y = ny;
 596
 597                         /* Monster here, Try to hit it */
 598                         if (cave[y][x].m_idx)
 599                         {
 600                                 cave_type *c_mon_ptr = &cave[y][x];
 601
 602                                 monster_type *m_ptr = &m_list[c_mon_ptr->m_idx];
 603                                 monster_race *r_ptr = &r_info[m_ptr->r_idx];
 604
 605                                 /* Check the visibility */
 606                                 visible = m_ptr->ml;
 607
 608                                 /* Note the collision */
 609                                 hit_body = TRUE;
 610
 611                                 if (MON_CSLEEP(m_ptr))
 612                                 {
 613                                         if (!(r_ptr->flags3 & RF3_EVIL) || one_in_(5)) chg_virtue(V_COMPASSION, -1);
 614                                         if (!(r_ptr->flags3 & RF3_EVIL) || one_in_(5)) chg_virtue(V_HONOUR, -1);
 615                                 }
 616
 617                                 if ((r_ptr->level + 10) > p_ptr->lev)
 618                                 {
 619                                         int now_exp = p_ptr->weapon_exp[0][j_ptr->sval];
 620                                         if (now_exp < s_info[p_ptr->pclass].w_max[0][j_ptr->sval])
 621                                         {
 622                                                 SUB_EXP amount = 0;
 623                                                 if (now_exp < WEAPON_EXP_BEGINNER) amount = 80;
 624                                                 else if (now_exp < WEAPON_EXP_SKILLED) amount = 25;
 625                                                 else if ((now_exp < WEAPON_EXP_EXPERT) && (p_ptr->lev > 19)) amount = 10;
 626                                                 else if (p_ptr->lev > 34) amount = 2;
 627                                                 p_ptr->weapon_exp[0][j_ptr->sval] += amount;
 628                                                 p_ptr->update |= (PU_BONUS);
 629                                         }
 630                                 }
 631
 632                                 if (p_ptr->riding)
 633                                 {
 634                                         if ((p_ptr->skill_exp[GINOU_RIDING] < s_info[p_ptr->pclass].s_max[GINOU_RIDING])
 635                                                 && ((p_ptr->skill_exp[GINOU_RIDING] - (RIDING_EXP_BEGINNER * 2)) / 200 < r_info[m_list[p_ptr->riding].r_idx].level)
 636                                                 && one_in_(2))
 637                                         {
 638                                                 p_ptr->skill_exp[GINOU_RIDING] += 1;
 639                                                 p_ptr->update |= (PU_BONUS);
 640                                         }
 641                                 }
 642
 643                                 /* Did we hit it (penalize range) */
 644                                 if (test_hit_fire(chance - cur_dis, m_ptr, m_ptr->ml, o_name))
 645                                 {
 646                                         bool fear = FALSE;
 647                                         int tdam = tdam_base;
 648
 649                                         /* Get extra damage from concentration */
 650                                         if (p_ptr->concent) tdam = boost_concentration_damage(tdam);
 651
 652                                         /* Handle unseen monster */
 653                                         if (!visible)
 654                                         {
 655                                                 /* Invisible monster */
 656                                                 msg_format(_("%sが敵を捕捉した。", "The %s finds a mark."), o_name);
 657                                         }
 658
 659                                         /* Handle visible monster */
 660                                         else
 661                                         {
 662                                                 GAME_TEXT m_name[MAX_NLEN];
 663
 664                                                 /* Get "the monster" or "it" */
 665                                                 monster_desc(m_name, m_ptr, 0);
 666
 667                                                 msg_format(_("%sが%sに命中した。", "The %s hits %s."), o_name, m_name);
 668
 669                                                 if (m_ptr->ml)
 670                                                 {
 671                                                         if (!p_ptr->image) monster_race_track(m_ptr->ap_r_idx);
 672                                                         health_track(c_mon_ptr->m_idx);
 673                                                 }
 674                                         }
 675
 676                                         if (snipe_type == SP_NEEDLE)
 677                                         {
 678                                                 if ((randint1(randint1(r_ptr->level / (3 + p_ptr->concent)) + (8 - p_ptr->concent)) == 1)
 679                                                         && !(r_ptr->flags1 & RF1_UNIQUE) && !(r_ptr->flags7 & RF7_UNIQUE2))
 680                                                 {
 681                                                         GAME_TEXT m_name[MAX_NLEN];
 682
 683                                                         /* Get "the monster" or "it" */
 684                                                         monster_desc(m_name, m_ptr, 0);
 685
 686                                                         tdam = m_ptr->hp + 1;
 687                                                         msg_format(_("%sの急所に突き刺さった！", "Your shot sticked on a fatal spot of %s!"), m_name);
 688                                                 }
 689                                                 else tdam = 1;
 690                                         }
 691                                         else
 692                                         {
 693                                                 /* Apply special damage */
 694                                                 tdam = tot_dam_aux_shot(q_ptr, tdam, m_ptr);
 695                                                 tdam = critical_shot(q_ptr->weight, q_ptr->to_h, j_ptr->to_h, tdam);
 696
 697                                                 /* No negative damage */
 698                                                 if (tdam < 0) tdam = 0;
 699
 700                                                 /* Modify the damage */
 701                                                 tdam = mon_damage_mod(m_ptr, tdam, FALSE);
 702                                         }
 703
 704                                         msg_format_wizard(CHEAT_MONSTER,
 705                                                 _("%dのダメージを与えた。(残りHP %d/%d(%d))", "You do %d damage. (left HP %d/%d(%d))"),
 706                                                 tdam, m_ptr->hp - tdam, m_ptr->maxhp, m_ptr->max_maxhp);
 707
 708                                         /* Sniper */
 709                                         if (snipe_type == SP_EXPLODE)
 710                                         {
 711                                                 u16b flg = (PROJECT_STOP | PROJECT_JUMP | PROJECT_KILL | PROJECT_GRID);
 712
 713                                                 sound(SOUND_EXPLODE); /* No explode sound - use breath fire instead */
 714                                                 project(0, ((p_ptr->concent + 1) / 2 + 1), ny, nx, tdam, GF_MISSILE, flg, -1);
 715                                                 break;
 716                                         }
 717
 718                                         /* Sniper */
 719                                         if (snipe_type == SP_HOLYNESS)
 720                                         {
 721                                                 cave[ny][nx].info |= (CAVE_GLOW);
 722                                                 note_spot(ny, nx);
 723                                                 lite_spot(ny, nx);
 724                                         }
 725
 726                                         /* Hit the monster, check for death */
 727                                         if (mon_take_hit(c_mon_ptr->m_idx, tdam, &fear, extract_note_dies(real_r_idx(m_ptr))))
 728                                         {
 729                                                 /* Dead monster */
 730                                         }
 731
 732                                         /* No death */
 733                                         else
 734                                         {
 735                                                 /* STICK TO */
 736                                                 if (object_is_fixed_artifact(q_ptr) &&
 737                                                         (p_ptr->pclass != CLASS_SNIPER || p_ptr->concent == 0))
 738                                                 {
 739                                                         GAME_TEXT m_name[MAX_NLEN];
 740
 741                                                         monster_desc(m_name, m_ptr, 0);
 742
 743                                                         stick_to = TRUE;
 744                                                         msg_format(_("%sは%sに突き刺さった！", "%^s have stuck into %s!"), o_name, m_name);
 745                                                 }
 746
 747                                                 message_pain(c_mon_ptr->m_idx, tdam);
 748
 749                                                 /* Anger the monster */
 750                                                 if (tdam > 0) anger_monster(m_ptr);
 751
 752                                                 if (fear && m_ptr->ml)
 753                                                 {
 754                                                         GAME_TEXT m_name[MAX_NLEN];
 755                                                         sound(SOUND_FLEE);
 756                                                         monster_desc(m_name, m_ptr, 0);
 757                                                         msg_format(_("%^sは恐怖して逃げ出した！", "%^s flees in terror!"), m_name);
 758                                                 }
 759
 760                                                 set_target(m_ptr, p_ptr->y, p_ptr->x);
 761
 762                                                 /* Sniper */
 763                                                 if (snipe_type == SP_RUSH)
 764                                                 {
 765                                                         int n = randint1(5) + 3;
 766                                                         MONSTER_IDX m_idx = c_mon_ptr->m_idx;
 767
 768                                                         for (; cur_dis <= tdis; )
 769                                                         {
 770                                                                 POSITION ox = nx;
 771                                                                 POSITION oy = ny;
 772
 773                                                                 if (!n) break;
 774
 775                                                                 /* Calculate the new location (see "project()") */
 776                                                                 mmove2(&ny, &nx, p_ptr->y, p_ptr->x, ty, tx);
 777
 778                                                                 /* Stopped by wilderness boundary */
 779                                                                 if (!in_bounds2(ny, nx)) break;
 780
 781                                                                 /* Stopped by walls/doors */
 782                                                                 if (!player_can_enter(cave[ny][nx].feat, 0)) break;
 783
 784                                                                 /* Stopped by monsters */
 785                                                                 if (!cave_empty_bold(ny, nx)) break;
 786
 787                                                                 cave[ny][nx].m_idx = m_idx;
 788                                                                 cave[oy][ox].m_idx = 0;
 789
 790                                                                 m_ptr->fx = nx;
 791                                                                 m_ptr->fy = ny;
 792
 793                                                                 update_monster(c_mon_ptr->m_idx, TRUE);
 794
 795                                                                 lite_spot(ny, nx);
 796                                                                 lite_spot(oy, ox);
 797
 798                                                                 Term_fresh();
 799                                                                 Term_xtra(TERM_XTRA_DELAY, msec);
 800
 801                                                                 x = nx;
 802                                                                 y = ny;
 803                                                                 cur_dis++;
 804                                                                 n--;
 805                                                         }
 806                                                 }
 807                                         }
 808                                 }
 809
 810                                 /* Sniper */
 811                                 if (snipe_type == SP_PIERCE)
 812                                 {
 813                                         if (p_ptr->concent < 1) break;
 814                                         p_ptr->concent--;
 815                                         continue;
 816                                 }
 817
 818                                 /* Stop looking */
 819                                 break;
 820                         }
 821                 }
 822
 823                 /* Chance of breakage (during attacks) */
 824                 j = (hit_body ? breakage_chance(q_ptr) : 0);
 825
 826                 if (stick_to)
 827                 {
 828                         MONSTER_IDX m_idx = cave[y][x].m_idx;
 829                         monster_type *m_ptr = &m_list[m_idx];
 830                         OBJECT_IDX o_idx = o_pop();
 831
 832                         if (!o_idx)
 833                         {
 834                                 msg_format(_("%sはどこかへ行った。", "The %s have gone to somewhere."), o_name);
 835                                 if (object_is_fixed_artifact(q_ptr))
 836                                 {
 837                                         a_info[j_ptr->name1].cur_num = 0;
 838                                 }
 839                                 return;
 840                         }
 841
 842                         o_ptr = &o_list[o_idx];
 843                         object_copy(o_ptr, q_ptr);
 844
 845                         /* Forget mark */
 846                         o_ptr->marked &= OM_TOUCHED;
 847
 848                         /* Forget location */
 849                         o_ptr->iy = o_ptr->ix = 0;
 850
 851                         /* Memorize monster */
 852                         o_ptr->held_m_idx = m_idx;
 853
 854                         /* Build a stack */
 855                         o_ptr->next_o_idx = m_ptr->hold_o_idx;
 856
 857                         /* Carry object */
 858                         m_ptr->hold_o_idx = o_idx;
 859                 }
 860                 else if (cave_have_flag_bold(y, x, FF_PROJECT))
 861                 {
 862                         /* Drop (or break) near that location */
 863                         (void)drop_near(q_ptr, j, y, x);
 864                 }
 865                 else
 866                 {
 867                         /* Drop (or break) near that location */
 868                         (void)drop_near(q_ptr, j, prev_y, prev_x);
 869                 }
 870
 871                 /* Sniper - Repeat shooting when double shots */
 872         }
 873
 874         /* Sniper - Loose his/her concentration after any shot */
 875         if (p_ptr->concent) reset_concentration(FALSE);
 876 }
 877
 878
 879 /*!
 880 * @brief プレイヤーからモンスターへの射撃命中判定 /
 881 * Determine if the player "hits" a monster (normal combat).
 882 * @param chance 基本命中値
 883 * @param m_ptr モンスターの構造体参照ポインタ
 884 * @param vis 目標を視界に捕らえているならばTRUEを指定
 885 * @param o_name メッセージ表示時のモンスター名
 886 * @return 命中と判定された場合TRUEを返す
 887 * @note Always miss 5%, always hit 5%, otherwise random.
 888 */
 889 bool test_hit_fire(int chance, monster_type *m_ptr, int vis, char* o_name)
 890 {
 891         int k;
 892         ARMOUR_CLASS ac;
 893         monster_race *r_ptr = &r_info[m_ptr->r_idx];
 894
 895         /* Percentile dice */
 896         k = randint1(100);
 897
 898         /* Snipers with high-concentration reduce instant miss percentage.*/
 899         k += p_ptr->concent;
 900
 901         /* Hack -- Instant miss or hit */
 902         if (k <= 5) return (FALSE);
 903         if (k > 95) return (TRUE);
 904
 905         if (p_ptr->pseikaku == SEIKAKU_NAMAKE)
 906                 if (one_in_(20)) return (FALSE);
 907
 908         /* Never hit */
 909         if (chance <= 0) return (FALSE);
 910
 911         ac = r_ptr->ac;
 912         if (p_ptr->concent)
 913         {
 914                 ac *= (8 - p_ptr->concent);
 915                 ac /= 8;
 916         }
 917
 918         if (m_ptr->r_idx == MON_GOEMON && !MON_CSLEEP(m_ptr)) ac *= 3;
 919
 920         /* Invisible monsters are harder to hit */
 921         if (!vis) chance = (chance + 1) / 2;
 922
 923         /* Power competes against armor */
 924         if (randint0(chance) < (ac * 3 / 4))
 925         {
 926                 if (m_ptr->r_idx == MON_GOEMON && !MON_CSLEEP(m_ptr))
 927                 {
 928                         GAME_TEXT m_name[MAX_NLEN];
 929
 930                         /* Extract monster name */
 931                         monster_desc(m_name, m_ptr, 0);
 932                         msg_format(_("%sは%sを斬り捨てた！", "%s cuts down %s!"), m_name, o_name);
 933                 }
 934                 return (FALSE);
 935         }
 936
 937         /* Assume hit */
 938         return (TRUE);
 939 }
 940
 941
 942
 943
 944 /*!
 945 * @brief プレイヤーからモンスターへの射撃クリティカル判定 /
 946 * Critical hits (from objects thrown by player) Factor in item weight, total plusses, and player level.
 947 * @param weight 矢弾の重量
 948 * @param plus_ammo 矢弾の命中修正
 949 * @param plus_bow 弓の命中修正
 950 * @param dam 現在算出中のダメージ値
 951 * @return クリティカル修正が入ったダメージ値
 952 */
 953 HIT_POINT critical_shot(WEIGHT weight, int plus_ammo, int plus_bow, HIT_POINT dam)
 954 {
 955         int i, k;
 956         object_type *j_ptr = &inventory[INVEN_BOW];
 957
 958         /* Extract "shot" power */
 959         i = p_ptr->to_h_b + plus_ammo;
 960
 961         if (p_ptr->tval_ammo == TV_BOLT)
 962                 i = (p_ptr->skill_thb + (p_ptr->weapon_exp[0][j_ptr->sval] / 400 + i) * BTH_PLUS_ADJ);
 963         else
 964                 i = (p_ptr->skill_thb + ((p_ptr->weapon_exp[0][j_ptr->sval] - (WEAPON_EXP_MASTER / 2)) / 200 + i) * BTH_PLUS_ADJ);
 965
 966
 967         /* Snipers can shot more critically with crossbows */
 968         if (p_ptr->concent) i += ((i * p_ptr->concent) / 5);
 969         if ((p_ptr->pclass == CLASS_SNIPER) && (p_ptr->tval_ammo == TV_BOLT)) i *= 2;
 970
 971         /* Good bow makes more critical */
 972         i += plus_bow * 8 * (p_ptr->concent ? p_ptr->concent + 5 : 5);
 973
 974         /* Critical hit */
 975         if (randint1(10000) <= i)
 976         {
 977                 k = weight * randint1(500);
 978
 979                 if (k < 900)
 980                 {
 981                         msg_print(_("手ごたえがあった！", "It was a good hit!"));
 982                         dam += (dam / 2);
 983                 }
 984                 else if (k < 1350)
 985                 {
 986                         msg_print(_("かなりの手ごたえがあった！", "It was a great hit!"));
 987                         dam *= 2;
 988                 }
 989                 else
 990                 {
 991                         msg_print(_("会心の一撃だ！", "It was a superb hit!"));
 992                         dam *= 3;
 993                 }
 994         }
 995
 996         return (dam);
 997 }
 998
 999
1000
1001
1002 /*!
1003  * @brief 射撃武器の攻撃に必要な基本消費エネルギーを返す/Return bow energy
1004  * @param sval 射撃武器のアイテム副分類ID
1005  * @return 消費する基本エネルギー
1006  */
1007 ENERGY bow_energy(OBJECT_SUBTYPE_VALUE sval)
1008 {
1009         ENERGY energy = 10000;
1010
1011         /* Analyze the launcher */
1012         switch (sval)
1013         {
1014                 /* Sling and ammo */
1015         case SV_SLING:
1016         {
1017                 energy = 8000;
1018                 break;
1019         }
1020
1021         /* Short Bow and Arrow */
1022         case SV_SHORT_BOW:
1023         {
1024                 energy = 10000;
1025                 break;
1026         }
1027
1028         /* Long Bow and Arrow */
1029         case SV_LONG_BOW:
1030         {
1031                 energy = 10000;
1032                 break;
1033         }
1034
1035         /* Bow of irresponsiblity and Arrow */
1036         case SV_NAMAKE_BOW:
1037         {
1038                 energy = 7777;
1039                 break;
1040         }
1041
1042         /* Light Crossbow and Bolt */
1043         case SV_LIGHT_XBOW:
1044         {
1045                 energy = 12000;
1046                 break;
1047         }
1048
1049         /* Heavy Crossbow and Bolt */
1050         case SV_HEAVY_XBOW:
1051         {
1052                 energy = 13333;
1053                 break;
1054         }
1055         }
1056
1057         return (energy);
1058 }
1059
1060
1061 /*
1062  * Return bow tmul
1063  */
1064 int bow_tmul(OBJECT_SUBTYPE_VALUE sval)
1065 {
1066         int tmul = 0;
1067
1068         /* Analyze the launcher */
1069         switch (sval)
1070         {
1071                 /* Sling and ammo */
1072         case SV_SLING:
1073         {
1074                 tmul = 2;
1075                 break;
1076         }
1077
1078         /* Short Bow and Arrow */
1079         case SV_SHORT_BOW:
1080         {
1081                 tmul = 2;
1082                 break;
1083         }
1084
1085         /* Long Bow and Arrow */
1086         case SV_LONG_BOW:
1087         {
1088                 tmul = 3;
1089                 break;
1090         }
1091
1092         /* Bow of irresponsiblity and Arrow */
1093         case SV_NAMAKE_BOW:
1094         {
1095                 tmul = 3;
1096                 break;
1097         }
1098
1099         /* Light Crossbow and Bolt */
1100         case SV_LIGHT_XBOW:
1101         {
1102                 tmul = 3;
1103                 break;
1104         }
1105
1106         /* Heavy Crossbow and Bolt */
1107         case SV_HEAVY_XBOW:
1108         {
1109                 tmul = 4;
1110                 break;
1111         }
1112         }
1113
1114         return (tmul);
1115 }
1116
1117