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