src/shoot.c

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