src/shoot.c

   1 #include "angband.h"
   2 #include "projection.h"
   3 #include "monster.h"
   4 #include "monster-status.h"
   5 #include "monster-spell.h"
   6 #include "artifact.h"
   7 #include "avatar.h"
   8 #include "player-status.h"
   9
  10 #include "shoot.h"
  11
  12 /*!
  13  * @brief 矢弾を射撃した際のスレイ倍率をかけた結果を返す /
  14  * Determines the odds of an object breaking when thrown at a monster
  15  * @param o_ptr 矢弾のオブジェクト構造体参照ポインタ
  16  * @param tdam 計算途中のダメージ量
  17  * @param m_ptr 目標モンスターの構造体参照ポインタ
  18  * @return スレイ倍率をかけたダメージ量
  19  */
  20 static MULTIPLY tot_dam_aux_shot(object_type *o_ptr, HIT_POINT tdam, monster_type *m_ptr, SPELL_IDX snipe_type)
  21 {
  22         MULTIPLY mult = 10;
  23
  24         monster_race *r_ptr = &r_info[m_ptr->r_idx];
  25
  26         BIT_FLAGS flgs[TR_FLAG_SIZE];
  27         object_flags(o_ptr, flgs);
  28
  29         /* Some "weapons" and "ammo" do extra damage */
  30         switch (o_ptr->tval)
  31         {
  32         case TV_SHOT:
  33         case TV_ARROW:
  34         case TV_BOLT:
  35         {
  36                 if ((have_flag(flgs, TR_SLAY_ANIMAL)) && (r_ptr->flags3 & RF3_ANIMAL))
  37                 {
  38                         if (is_original_ap_and_seen(m_ptr))
  39                         {
  40                                 r_ptr->r_flags3 |= RF3_ANIMAL;
  41                         }
  42                         if (mult < 17) mult = 17;
  43                 }
  44
  45                 if ((have_flag(flgs, TR_KILL_ANIMAL)) && (r_ptr->flags3 & RF3_ANIMAL))
  46                 {
  47                         if (is_original_ap_and_seen(m_ptr))
  48                         {
  49                                 r_ptr->r_flags3 |= RF3_ANIMAL;
  50                         }
  51                         if (mult < 27) mult = 27;
  52                 }
  53
  54                 if ((have_flag(flgs, TR_SLAY_EVIL)) && (r_ptr->flags3 & RF3_EVIL))
  55                 {
  56                         if (is_original_ap_and_seen(m_ptr))
  57                         {
  58                                 r_ptr->r_flags3 |= RF3_EVIL;
  59                         }
  60                         if (mult < 15) mult = 15;
  61                 }
  62
  63                 if ((have_flag(flgs, TR_KILL_EVIL)) && (r_ptr->flags3 & RF3_EVIL))
  64                 {
  65                         if (is_original_ap_and_seen(m_ptr))
  66                         {
  67                                 r_ptr->r_flags3 |= RF3_EVIL;
  68                         }
  69                         if (mult < 25) mult = 25;
  70                 }
  71
  72                 if ((have_flag(flgs, TR_SLAY_HUMAN)) && (r_ptr->flags2 & RF2_HUMAN))
  73                 {
  74                         if (is_original_ap_and_seen(m_ptr))
  75                         {
  76                                 r_ptr->r_flags2 |= RF2_HUMAN;
  77                         }
  78                         if (mult < 17) mult = 17;
  79                 }
  80
  81                 if ((have_flag(flgs, TR_KILL_HUMAN)) && (r_ptr->flags2 & RF2_HUMAN))
  82                 {
  83                         if (is_original_ap_and_seen(m_ptr))
  84                         {
  85                                 r_ptr->r_flags2 |= RF2_HUMAN;
  86                         }
  87                         if (mult < 27) mult = 27;
  88                 }
  89
  90                 if ((have_flag(flgs, TR_SLAY_UNDEAD)) && (r_ptr->flags3 & RF3_UNDEAD))
  91                 {
  92                         if (is_original_ap_and_seen(m_ptr))
  93                         {
  94                                 r_ptr->r_flags3 |= RF3_UNDEAD;
  95                         }
  96                         if (mult < 20) mult = 20;
  97                 }
  98
  99                 if ((have_flag(flgs, TR_KILL_UNDEAD)) && (r_ptr->flags3 & RF3_UNDEAD))
 100                 {
 101                         if (is_original_ap_and_seen(m_ptr))
 102                         {
 103                                 r_ptr->r_flags3 |= RF3_UNDEAD;
 104                         }
 105                         if (mult < 30) mult = 30;
 106                 }
 107
 108                 if ((have_flag(flgs, TR_SLAY_DEMON)) && (r_ptr->flags3 & RF3_DEMON))
 109                 {
 110                         if (is_original_ap_and_seen(m_ptr))
 111                         {
 112                                 r_ptr->r_flags3 |= RF3_DEMON;
 113                         }
 114                         if (mult < 20) mult = 20;
 115                 }
 116
 117                 if ((have_flag(flgs, TR_KILL_DEMON)) && (r_ptr->flags3 & RF3_DEMON))
 118                 {
 119                         if (is_original_ap_and_seen(m_ptr))
 120                         {
 121                                 r_ptr->r_flags3 |= RF3_DEMON;
 122                         }
 123                         if (mult < 30) mult = 30;
 124                 }
 125
 126                 if ((have_flag(flgs, TR_SLAY_ORC)) && (r_ptr->flags3 & RF3_ORC))
 127                 {
 128                         if (is_original_ap_and_seen(m_ptr))
 129                         {
 130                                 r_ptr->r_flags3 |= RF3_ORC;
 131                         }
 132                         if (mult < 20) mult = 20;
 133                 }
 134
 135                 if ((have_flag(flgs, TR_KILL_ORC)) && (r_ptr->flags3 & RF3_ORC))
 136                 {
 137                         if (is_original_ap_and_seen(m_ptr))
 138                         {
 139                                 r_ptr->r_flags3 |= RF3_ORC;
 140                         }
 141                         if (mult < 30) mult = 30;
 142                 }
 143
 144                 if ((have_flag(flgs, TR_SLAY_TROLL)) && (r_ptr->flags3 & RF3_TROLL))
 145                 {
 146                         if (is_original_ap_and_seen(m_ptr))
 147                         {
 148                                 r_ptr->r_flags3 |= RF3_TROLL;
 149                         }
 150
 151                         if (mult < 20) mult = 20;
 152                 }
 153
 154                 if ((have_flag(flgs, TR_KILL_TROLL)) && (r_ptr->flags3 & RF3_TROLL))
 155                 {
 156                         if (is_original_ap_and_seen(m_ptr))
 157                         {
 158                                 r_ptr->r_flags3 |= RF3_TROLL;
 159                         }
 160                         if (mult < 30) mult = 30;
 161                 }
 162
 163                 if ((have_flag(flgs, TR_SLAY_GIANT)) && (r_ptr->flags3 & RF3_GIANT))
 164                 {
 165                         if (is_original_ap_and_seen(m_ptr))
 166                         {
 167                                 r_ptr->r_flags3 |= RF3_GIANT;
 168                         }
 169                         if (mult < 20) mult = 20;
 170                 }
 171
 172                 if ((have_flag(flgs, TR_KILL_GIANT)) && (r_ptr->flags3 & RF3_GIANT))
 173                 {
 174                         if (is_original_ap_and_seen(m_ptr))
 175                         {
 176                                 r_ptr->r_flags3 |= RF3_GIANT;
 177                         }
 178                         if (mult < 30) mult = 30;
 179                 }
 180
 181                 if ((have_flag(flgs, TR_SLAY_DRAGON)) && (r_ptr->flags3 & RF3_DRAGON))
 182                 {
 183                         if (is_original_ap_and_seen(m_ptr))
 184                         {
 185                                 r_ptr->r_flags3 |= RF3_DRAGON;
 186                         }
 187                         if (mult < 20) mult = 20;
 188                 }
 189
 190                 if ((have_flag(flgs, TR_KILL_DRAGON)) && (r_ptr->flags3 & RF3_DRAGON))
 191                 {
 192                         if (is_original_ap_and_seen(m_ptr))
 193                         {
 194                                 r_ptr->r_flags3 |= RF3_DRAGON;
 195                         }
 196                         if (mult < 30) mult = 30;
 197                         if ((o_ptr->name1 == ART_BARD_ARROW) && (m_ptr->r_idx == MON_SMAUG) &&
 198                                 (inventory[INVEN_BOW].name1 == ART_BARD))
 199                                 mult *= 5;
 200                 }
 201
 202                 if (have_flag(flgs, TR_BRAND_ACID))
 203                 {
 204                         /* Notice immunity */
 205                         if (r_ptr->flagsr & RFR_EFF_IM_ACID_MASK)
 206                         {
 207                                 if (is_original_ap_and_seen(m_ptr))
 208                                 {
 209                                         r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_ACID_MASK);
 210                                 }
 211                         }
 212                         else
 213                         {
 214                                 if (mult < 17) mult = 17;
 215                         }
 216                 }
 217
 218                 if (have_flag(flgs, TR_BRAND_ELEC))
 219                 {
 220                         /* Notice immunity */
 221                         if (r_ptr->flagsr & RFR_EFF_IM_ELEC_MASK)
 222                         {
 223                                 if (is_original_ap_and_seen(m_ptr))
 224                                 {
 225                                         r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_ELEC_MASK);
 226                                 }
 227                         }
 228                         else
 229                         {
 230                                 if (mult < 17) mult = 17;
 231                         }
 232                 }
 233
 234                 if (have_flag(flgs, TR_BRAND_FIRE))
 235                 {
 236                         /* Notice immunity */
 237                         if (r_ptr->flagsr & RFR_EFF_IM_FIRE_MASK)
 238                         {
 239                                 if (is_original_ap_and_seen(m_ptr))
 240                                 {
 241                                         r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_FIRE_MASK);
 242                                 }
 243                         }
 244                         /* Otherwise, take the damage */
 245                         else
 246                         {
 247                                 if (r_ptr->flags3 & RF3_HURT_FIRE)
 248                                 {
 249                                         if (mult < 25) mult = 25;
 250                                         if (is_original_ap_and_seen(m_ptr))
 251                                         {
 252                                                 r_ptr->r_flags3 |= RF3_HURT_FIRE;
 253                                         }
 254                                 }
 255                                 else if (mult < 17) mult = 17;
 256                         }
 257                 }
 258
 259                 if (have_flag(flgs, TR_BRAND_COLD))
 260                 {
 261                         /* Notice immunity */
 262                         if (r_ptr->flagsr & RFR_EFF_IM_COLD_MASK)
 263                         {
 264                                 if (is_original_ap_and_seen(m_ptr))
 265                                 {
 266                                         r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_COLD_MASK);
 267                                 }
 268                         }
 269                         /* Otherwise, take the damage */
 270                         else
 271                         {
 272                                 if (r_ptr->flags3 & RF3_HURT_COLD)
 273                                 {
 274                                         if (mult < 25) mult = 25;
 275                                         if (is_original_ap_and_seen(m_ptr))
 276                                         {
 277                                                 r_ptr->r_flags3 |= RF3_HURT_COLD;
 278                                         }
 279                                 }
 280                                 else if (mult < 17) mult = 17;
 281                         }
 282                 }
 283
 284                 if (have_flag(flgs, TR_BRAND_POIS))
 285                 {
 286                         /* Notice immunity */
 287                         if (r_ptr->flagsr & RFR_EFF_IM_POIS_MASK)
 288                         {
 289                                 if (is_original_ap_and_seen(m_ptr))
 290                                 {
 291                                         r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_POIS_MASK);
 292                                 }
 293                         }
 294                         /* Otherwise, take the damage */
 295                         else
 296                         {
 297                                 if (mult < 17) mult = 17;
 298                         }
 299                 }
 300
 301                 if ((have_flag(flgs, TR_FORCE_WEAPON)) && (p_ptr->csp > (p_ptr->msp / 30)))
 302                 {
 303                         p_ptr->csp -= (1 + (p_ptr->msp / 30));
 304                         p_ptr->redraw |= (PR_MANA);
 305                         mult = mult * 5 / 2;
 306                 }
 307                 break;
 308         }
 309         }
 310
 311         /* Sniper */
 312         if (snipe_type) mult = tot_dam_aux_snipe(mult, m_ptr, snipe_type);
 313
 314         /* Return the total damage */
 315         return (tdam * mult / 10);
 316 }
 317
 318
 319 /*!
 320  * @brief 射撃処理実行 /
 321  * Fire an object from the pack or floor.
 322  * @param item 射撃するオブジェクトの所持ID
 323  * @param j_ptr 射撃武器のオブジェクト参照ポインタ
 324  * @return なし
 325  * @details
 326  * <pre>
 327  * You may only fire items that "match" your missile launcher.
 328  * You must use slings + pebbles/shots, bows + arrows, xbows + bolts.
 329  * See "calc_bonuses()" for more calculations and such.
 330  * Note that "firing" a missile is MUCH better than "throwing" it.
 331  * Note: "unseen" monsters are very hard to hit.
 332  * Objects are more likely to break if they "attempt" to hit a monster.
 333  * Rangers (with Bows) and Anyone (with "Extra Shots") get extra shots.
 334  * The "extra shot" code works by decreasing the amount of energy
 335  * required to make each shot, spreading the shots out over time.
 336  * Note that when firing missiles, the launcher multiplier is applied
 337  * after all the bonuses are added in, making multipliers very useful.
 338  * Note that Bows of "Extra Might" get extra range and an extra bonus
 339  * for the damage multiplier.
 340  * Note that Bows of "Extra Shots" give an extra shot.
 341  * </pre>
 342  */
 343 void exe_fire(INVENTORY_IDX item, object_type *j_ptr, SPELL_IDX snipe_type)
 344 {
 345         DIRECTION dir;
 346         int i;
 347         POSITION y, x, ny, nx, ty, tx, prev_y, prev_x;
 348         int tdam_base, tdis, thits, tmul;
 349         int bonus, chance;
 350         int cur_dis, visible;
 351         PERCENTAGE j;
 352
 353         object_type forge;
 354         object_type *q_ptr;
 355
 356         object_type *o_ptr;
 357
 358         bool hit_body = FALSE;
 359
 360         GAME_TEXT o_name[MAX_NLEN];
 361
 362         u16b path_g[512];       /* For calcuration of path length */
 363
 364         int msec = delay_factor * delay_factor * delay_factor;
 365
 366         /* STICK TO */
 367         bool stick_to = FALSE;
 368
 369         /* Access the item (if in the pack) */
 370         if (item >= 0)
 371         {
 372                 o_ptr = &inventory[item];
 373         }
 374         else
 375         {
 376                 o_ptr = &current_floor_ptr->o_list[0 - item];
 377         }
 378
 379         /* Sniper - Cannot shot a single arrow twice */
 380         if ((snipe_type == SP_DOUBLE) && (o_ptr->number < 2)) snipe_type = SP_NONE;
 381
 382         object_desc(o_name, o_ptr, OD_OMIT_PREFIX);
 383
 384         /* Use the proper number of shots */
 385         thits = p_ptr->num_fire;
 386
 387         /* Use a base distance */
 388         tdis = 10;
 389
 390         /* Base damage from thrown object plus launcher bonus */
 391         tdam_base = damroll(o_ptr->dd, o_ptr->ds) + o_ptr->to_d + j_ptr->to_d;
 392
 393         /* Actually "fire" the object */
 394         bonus = (p_ptr->to_h_b + o_ptr->to_h + j_ptr->to_h);
 395         if ((j_ptr->sval == SV_LIGHT_XBOW) || (j_ptr->sval == SV_HEAVY_XBOW))
 396                 chance = (p_ptr->skill_thb + (p_ptr->weapon_exp[0][j_ptr->sval] / 400 + bonus) * BTH_PLUS_ADJ);
 397         else
 398                 chance = (p_ptr->skill_thb + ((p_ptr->weapon_exp[0][j_ptr->sval] - (WEAPON_EXP_MASTER / 2)) / 200 + bonus) * BTH_PLUS_ADJ);
 399
 400         p_ptr->energy_use = bow_energy(j_ptr->sval);
 401         tmul = bow_tmul(j_ptr->sval);
 402
 403         /* Get extra "power" from "extra might" */
 404         if (p_ptr->xtra_might) tmul++;
 405
 406         tmul = tmul * (100 + (int)(adj_str_td[p_ptr->stat_ind[A_STR]]) - 128);
 407
 408         /* Boost the damage */
 409         tdam_base *= tmul;
 410         tdam_base /= 100;
 411
 412         /* Base range */
 413         tdis = 13 + tmul / 80;
 414         if ((j_ptr->sval == SV_LIGHT_XBOW) || (j_ptr->sval == SV_HEAVY_XBOW))
 415         {
 416                 if (p_ptr->concent)
 417                         tdis -= (5 - (p_ptr->concent + 1) / 2);
 418                 else
 419                         tdis -= 5;
 420         }
 421
 422         project_length = tdis + 1;
 423
 424         /* Get a direction (or cancel) */
 425         if (!get_aim_dir(&dir))
 426         {
 427                 free_turn(p_ptr);
 428
 429                 if (snipe_type == SP_AWAY) snipe_type = SP_NONE;
 430
 431                 /* need not to reset project_length (already did)*/
 432
 433                 return;
 434         }
 435
 436         /* Predict the "target" location */
 437         tx = p_ptr->x + 99 * ddx[dir];
 438         ty = p_ptr->y + 99 * ddy[dir];
 439
 440         /* Check for "target request" */
 441         if ((dir == 5) && target_okay())
 442         {
 443                 tx = target_col;
 444                 ty = target_row;
 445         }
 446
 447         /* Get projection path length */
 448         tdis = project_path(path_g, project_length, p_ptr->y, p_ptr->x, ty, tx, PROJECT_PATH | PROJECT_THRU) - 1;
 449
 450         project_length = 0; /* reset to default */
 451
 452         /* Don't shoot at my feet */
 453         if (tx == p_ptr->x && ty == p_ptr->y)
 454         {
 455                 free_turn(p_ptr);
 456
 457                 /* project_length is already reset to 0 */
 458
 459                 return;
 460         }
 461
 462
 463         /* Take a (partial) current_world_ptr->game_turn */
 464         p_ptr->energy_use = (p_ptr->energy_use / thits);
 465         is_fired = TRUE;
 466
 467         /* Sniper - Difficult to shot twice at 1 current_world_ptr->game_turn */
 468         if (snipe_type == SP_DOUBLE)  p_ptr->concent = (p_ptr->concent + 1) / 2;
 469
 470         /* Sniper - Repeat shooting when double shots */
 471         for (i = 0; i < ((snipe_type == SP_DOUBLE) ? 2 : 1); i++)
 472         {
 473
 474                 /* Start at the player */
 475                 y = p_ptr->y;
 476                 x = p_ptr->x;
 477                 q_ptr = &forge;
 478
 479                 /* Obtain a local object */
 480                 object_copy(q_ptr, o_ptr);
 481
 482                 /* Single object */
 483                 q_ptr->number = 1;
 484
 485                 /* Reduce and describe inventory */
 486                 if (item >= 0)
 487                 {
 488                         inven_item_increase(item, -1);
 489                         inven_item_describe(item);
 490                         inven_item_optimize(item);
 491                 }
 492
 493                 /* Reduce and describe floor item */
 494                 else
 495                 {
 496                         floor_item_increase(0 - item, -1);
 497                         floor_item_optimize(0 - item);
 498                 }
 499
 500                 sound(SOUND_SHOOT);
 501                 handle_stuff();
 502
 503                 prev_y = y;
 504                 prev_x = x;
 505
 506                 /* The shot does not hit yet */
 507                 hit_body = FALSE;
 508
 509                 /* Travel until stopped */
 510                 for (cur_dis = 0; cur_dis <= tdis; )
 511                 {
 512                         grid_type *g_ptr;
 513
 514                         /* Hack -- Stop at the target */
 515                         if ((y == ty) && (x == tx)) break;
 516
 517                         /* Calculate the new location (see "project()") */
 518                         ny = y;
 519                         nx = x;
 520                         mmove2(&ny, &nx, p_ptr->y, p_ptr->x, ty, tx);
 521
 522                         /* Shatter Arrow */
 523                         if (snipe_type == SP_KILL_WALL)
 524                         {
 525                                 g_ptr = &current_floor_ptr->grid_array[ny][nx];
 526
 527                                 if (cave_have_flag_grid(g_ptr, FF_HURT_ROCK) && !g_ptr->m_idx)
 528                                 {
 529                                         if (g_ptr->info & (CAVE_MARK)) msg_print(_("岩が砕け散った。", "Wall rocks were shattered."));
 530                                         /* Forget the wall */
 531                                         g_ptr->info &= ~(CAVE_MARK);
 532                                         p_ptr->update |= (PU_VIEW | PU_LITE | PU_FLOW | PU_MON_LITE);
 533
 534                                         /* Destroy the wall */
 535                                         cave_alter_feat(ny, nx, FF_HURT_ROCK);
 536
 537                                         hit_body = TRUE;
 538                                         break;
 539                                 }
 540                         }
 541
 542                         /* Stopped by walls/doors */
 543                         if (!cave_have_flag_bold(ny, nx, FF_PROJECT) && !current_floor_ptr->grid_array[ny][nx].m_idx) break;
 544
 545                         /* Advance the distance */
 546                         cur_dis++;
 547
 548                         /* Sniper */
 549                         if (snipe_type == SP_LITE)
 550                         {
 551                                 current_floor_ptr->grid_array[ny][nx].info |= (CAVE_GLOW);
 552                                 note_spot(ny, nx);
 553                                 lite_spot(ny, nx);
 554                         }
 555
 556                         /* The player can see the (on screen) missile */
 557                         if (panel_contains(ny, nx) && player_can_see_bold(ny, nx))
 558                         {
 559                                 char c = object_char(q_ptr);
 560                                 byte a = object_attr(q_ptr);
 561
 562                                 /* Draw, Hilite, Fresh, Pause, Erase */
 563                                 print_rel(c, a, ny, nx);
 564                                 move_cursor_relative(ny, nx);
 565                                 Term_fresh();
 566                                 Term_xtra(TERM_XTRA_DELAY, msec);
 567                                 lite_spot(ny, nx);
 568                                 Term_fresh();
 569                         }
 570
 571                         /* The player cannot see the missile */
 572                         else
 573                         {
 574                                 /* Pause anyway, for consistancy */
 575                                 Term_xtra(TERM_XTRA_DELAY, msec);
 576                         }
 577
 578                         /* Sniper */
 579                         if (snipe_type == SP_KILL_TRAP)
 580                         {
 581                                 project(0, 0, ny, nx, 0, GF_KILL_TRAP,
 582                                         (PROJECT_JUMP | PROJECT_HIDE | PROJECT_GRID | PROJECT_ITEM), -1);
 583                         }
 584
 585                         /* Sniper */
 586                         if (snipe_type == SP_EVILNESS)
 587                         {
 588                                 current_floor_ptr->grid_array[ny][nx].info &= ~(CAVE_GLOW | CAVE_MARK);
 589                                 note_spot(ny, nx);
 590                                 lite_spot(ny, nx);
 591                         }
 592
 593                         prev_y = y;
 594                         prev_x = x;
 595
 596                         /* Save the new location */
 597                         x = nx;
 598                         y = ny;
 599
 600                         /* Monster here, Try to hit it */
 601                         if (current_floor_ptr->grid_array[y][x].m_idx)
 602                         {
 603                                 grid_type *c_mon_ptr = &current_floor_ptr->grid_array[y][x];
 604
 605                                 monster_type *m_ptr = &current_floor_ptr->m_list[c_mon_ptr->m_idx];
 606                                 monster_race *r_ptr = &r_info[m_ptr->r_idx];
 607
 608                                 /* Check the visibility */
 609                                 visible = m_ptr->ml;
 610
 611                                 /* Note the collision */
 612                                 hit_body = TRUE;
 613
 614                                 if (MON_CSLEEP(m_ptr))
 615                                 {
 616                                         if (!(r_ptr->flags3 & RF3_EVIL) || one_in_(5)) chg_virtue(V_COMPASSION, -1);
 617                                         if (!(r_ptr->flags3 & RF3_EVIL) || one_in_(5)) chg_virtue(V_HONOUR, -1);
 618                                 }
 619
 620                                 if ((r_ptr->level + 10) > p_ptr->lev)
 621                                 {
 622                                         int now_exp = p_ptr->weapon_exp[0][j_ptr->sval];
 623                                         if (now_exp < s_info[p_ptr->pclass].w_max[0][j_ptr->sval])
 624                                         {
 625                                                 SUB_EXP amount = 0;
 626                                                 if (now_exp < WEAPON_EXP_BEGINNER) amount = 80;
 627                                                 else if (now_exp < WEAPON_EXP_SKILLED) amount = 25;
 628                                                 else if ((now_exp < WEAPON_EXP_EXPERT) && (p_ptr->lev > 19)) amount = 10;
 629                                                 else if (p_ptr->lev > 34) amount = 2;
 630                                                 p_ptr->weapon_exp[0][j_ptr->sval] += amount;
 631                                                 p_ptr->update |= (PU_BONUS);
 632                                         }
 633                                 }
 634
 635                                 if (p_ptr->riding)
 636                                 {
 637                                         if ((p_ptr->skill_exp[GINOU_RIDING] < s_info[p_ptr->pclass].s_max[GINOU_RIDING])
 638                                                 && ((p_ptr->skill_exp[GINOU_RIDING] - (RIDING_EXP_BEGINNER * 2)) / 200 < r_info[current_floor_ptr->m_list[p_ptr->riding].r_idx].level)
 639                                                 && one_in_(2))
 640                                         {
 641                                                 p_ptr->skill_exp[GINOU_RIDING] += 1;
 642                                                 p_ptr->update |= (PU_BONUS);
 643                                         }
 644                                 }
 645
 646                                 /* Did we hit it (penalize range) */
 647                                 if (test_hit_fire(chance - cur_dis, m_ptr, m_ptr->ml, o_name))
 648                                 {
 649                                         bool fear = FALSE;
 650                                         int tdam = tdam_base;
 651
 652                                         /* Get extra damage from concentration */
 653                                         if (p_ptr->concent) tdam = boost_concentration_damage(tdam);
 654
 655                                         /* Handle unseen monster */
 656                                         if (!visible)
 657                                         {
 658                                                 /* Invisible monster */
 659                                                 msg_format(_("%sが敵を捕捉した。", "The %s finds a mark."), o_name);
 660                                         }
 661
 662                                         /* Handle visible monster */
 663                                         else
 664                                         {
 665                                                 GAME_TEXT m_name[MAX_NLEN];
 666
 667                                                 /* Get "the monster" or "it" */
 668                                                 monster_desc(m_name, m_ptr, 0);
 669
 670                                                 msg_format(_("%sが%sに命中した。", "The %s hits %s."), o_name, m_name);
 671
 672                                                 if (m_ptr->ml)
 673                                                 {
 674                                                         if (!p_ptr->image) monster_race_track(m_ptr->ap_r_idx);
 675                                                         health_track(c_mon_ptr->m_idx);
 676                                                 }
 677                                         }
 678
 679                                         if (snipe_type == SP_NEEDLE)
 680                                         {
 681                                                 if ((randint1(randint1(r_ptr->level / (3 + p_ptr->concent)) + (8 - p_ptr->concent)) == 1)
 682                                                         && !(r_ptr->flags1 & RF1_UNIQUE) && !(r_ptr->flags7 & RF7_UNIQUE2))
 683                                                 {
 684                                                         GAME_TEXT m_name[MAX_NLEN];
 685
 686                                                         /* Get "the monster" or "it" */
 687                                                         monster_desc(m_name, m_ptr, 0);
 688
 689                                                         tdam = m_ptr->hp + 1;
 690                                                         msg_format(_("%sの急所に突き刺さった！", "Your shot sticked on a fatal spot of %s!"), m_name);
 691                                                 }
 692                                                 else tdam = 1;
 693                                         }
 694                                         else
 695                                         {
 696                                                 /* Apply special damage */
 697                                                 tdam = tot_dam_aux_shot(q_ptr, tdam, m_ptr, snipe_type);
 698                                                 tdam = critical_shot(q_ptr->weight, q_ptr->to_h, j_ptr->to_h, tdam);
 699
 700                                                 /* No negative damage */
 701                                                 if (tdam < 0) tdam = 0;
 702
 703                                                 /* Modify the damage */
 704                                                 tdam = mon_damage_mod(m_ptr, tdam, FALSE);
 705                                         }
 706
 707                                         msg_format_wizard(CHEAT_MONSTER,
 708                                                 _("%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))"),
 709                                                 tdam, m_ptr->hp - tdam, m_ptr->maxhp, m_ptr->max_maxhp);
 710
 711                                         /* Sniper */
 712                                         if (snipe_type == SP_EXPLODE)
 713                                         {
 714                                                 u16b flg = (PROJECT_STOP | PROJECT_JUMP | PROJECT_KILL | PROJECT_GRID);
 715
 716                                                 sound(SOUND_EXPLODE); /* No explode sound - use breath fire instead */
 717                                                 project(0, ((p_ptr->concent + 1) / 2 + 1), ny, nx, tdam, GF_MISSILE, flg, -1);
 718                                                 break;
 719                                         }
 720
 721                                         /* Sniper */
 722                                         if (snipe_type == SP_HOLYNESS)
 723                                         {
 724                                                 current_floor_ptr->grid_array[ny][nx].info |= (CAVE_GLOW);
 725                                                 note_spot(ny, nx);
 726                                                 lite_spot(ny, nx);
 727                                         }
 728
 729                                         /* Hit the monster, check for death */
 730                                         if (mon_take_hit(c_mon_ptr->m_idx, tdam, &fear, extract_note_dies(real_r_idx(m_ptr))))
 731                                         {
 732                                                 /* Dead monster */
 733                                         }
 734
 735                                         /* No death */
 736                                         else
 737                                         {
 738                                                 /* STICK TO */
 739                                                 if (object_is_fixed_artifact(q_ptr) &&
 740                                                         (p_ptr->pclass != CLASS_SNIPER || p_ptr->concent == 0))
 741                                                 {
 742                                                         GAME_TEXT m_name[MAX_NLEN];
 743
 744                                                         monster_desc(m_name, m_ptr, 0);
 745
 746                                                         stick_to = TRUE;
 747                                                         msg_format(_("%sは%sに突き刺さった！", "%^s have stuck into %s!"), o_name, m_name);
 748                                                 }
 749
 750                                                 message_pain(c_mon_ptr->m_idx, tdam);
 751
 752                                                 /* Anger the monster */
 753                                                 if (tdam > 0) anger_monster(m_ptr);
 754
 755                                                 if (fear && m_ptr->ml)
 756                                                 {
 757                                                         GAME_TEXT m_name[MAX_NLEN];
 758                                                         sound(SOUND_FLEE);
 759                                                         monster_desc(m_name, m_ptr, 0);
 760                                                         msg_format(_("%^sは恐怖して逃げ出した！", "%^s flees in terror!"), m_name);
 761                                                 }
 762
 763                                                 set_target(m_ptr, p_ptr->y, p_ptr->x);
 764
 765                                                 /* Sniper */
 766                                                 if (snipe_type == SP_RUSH)
 767                                                 {
 768                                                         int n = randint1(5) + 3;
 769                                                         MONSTER_IDX m_idx = c_mon_ptr->m_idx;
 770
 771                                                         for (; cur_dis <= tdis; )
 772                                                         {
 773                                                                 POSITION ox = nx;
 774                                                                 POSITION oy = ny;
 775
 776                                                                 if (!n) break;
 777
 778                                                                 /* Calculate the new location (see "project()") */
 779                                                                 mmove2(&ny, &nx, p_ptr->y, p_ptr->x, ty, tx);
 780
 781                                                                 /* Stopped by wilderness boundary */
 782                                                                 if (!in_bounds2(ny, nx)) break;
 783
 784                                                                 /* Stopped by walls/doors */
 785                                                                 if (!player_can_enter(current_floor_ptr->grid_array[ny][nx].feat, 0)) break;
 786
 787                                                                 /* Stopped by monsters */
 788                                                                 if (!cave_empty_bold(ny, nx)) break;
 789
 790                                                                 current_floor_ptr->grid_array[ny][nx].m_idx = m_idx;
 791                                                                 current_floor_ptr->grid_array[oy][ox].m_idx = 0;
 792
 793                                                                 m_ptr->fx = nx;
 794                                                                 m_ptr->fy = ny;
 795
 796                                                                 update_monster(c_mon_ptr->m_idx, TRUE);
 797
 798                                                                 lite_spot(ny, nx);
 799                                                                 lite_spot(oy, ox);
 800
 801                                                                 Term_fresh();
 802                                                                 Term_xtra(TERM_XTRA_DELAY, msec);
 803
 804                                                                 x = nx;
 805                                                                 y = ny;
 806                                                                 cur_dis++;
 807                                                                 n--;
 808                                                         }
 809                                                 }
 810                                         }
 811                                 }
 812
 813                                 /* Sniper */
 814                                 if (snipe_type == SP_PIERCE)
 815                                 {
 816                                         if (p_ptr->concent < 1) break;
 817                                         p_ptr->concent--;
 818                                         continue;
 819                                 }
 820
 821                                 /* Stop looking */
 822                                 break;
 823                         }
 824                 }
 825
 826                 /* Chance of breakage (during attacks) */
 827                 j = (hit_body ? breakage_chance(q_ptr, snipe_type) : 0);
 828
 829                 if (stick_to)
 830                 {
 831                         MONSTER_IDX m_idx = current_floor_ptr->grid_array[y][x].m_idx;
 832                         monster_type *m_ptr = &current_floor_ptr->m_list[m_idx];
 833                         OBJECT_IDX o_idx = o_pop();
 834
 835                         if (!o_idx)
 836                         {
 837                                 msg_format(_("%sはどこかへ行った。", "The %s have gone to somewhere."), o_name);
 838                                 if (object_is_fixed_artifact(q_ptr))
 839                                 {
 840                                         a_info[j_ptr->name1].cur_num = 0;
 841                                 }
 842                                 return;
 843                         }
 844
 845                         o_ptr = &current_floor_ptr->o_list[o_idx];
 846                         object_copy(o_ptr, q_ptr);
 847
 848                         /* Forget mark */
 849                         o_ptr->marked &= OM_TOUCHED;
 850
 851                         /* Forget location */
 852                         o_ptr->iy = o_ptr->ix = 0;
 853
 854                         /* Memorize monster */
 855                         o_ptr->held_m_idx = m_idx;
 856
 857                         /* Build a stack */
 858                         o_ptr->next_o_idx = m_ptr->hold_o_idx;
 859
 860                         /* Carry object */
 861                         m_ptr->hold_o_idx = o_idx;
 862                 }
 863                 else if (cave_have_flag_bold(y, x, FF_PROJECT))
 864                 {
 865                         /* Drop (or break) near that location */
 866                         (void)drop_near(q_ptr, j, y, x);
 867                 }
 868                 else
 869                 {
 870                         /* Drop (or break) near that location */
 871                         (void)drop_near(q_ptr, j, prev_y, prev_x);
 872                 }
 873
 874                 /* Sniper - Repeat shooting when double shots */
 875         }
 876
 877         /* Sniper - Loose his/her concentration after any shot */
 878         if (p_ptr->concent) reset_concentration(FALSE);
 879 }
 880
 881
 882 /*!
 883 * @brief プレイヤーからモンスターへの射撃命中判定 /
 884 * Determine if the player "hits" a monster (normal combat).
 885 * @param chance 基本命中値
 886 * @param m_ptr モンスターの構造体参照ポインタ
 887 * @param vis 目標を視界に捕らえているならばTRUEを指定
 888 * @param o_name メッセージ表示時のモンスター名
 889 * @return 命中と判定された場合TRUEを返す
 890 * @note Always miss 5%, always hit 5%, otherwise random.
 891 */
 892 bool test_hit_fire(int chance, monster_type *m_ptr, int vis, char* o_name)
 893 {
 894         int k;
 895         ARMOUR_CLASS ac;
 896         monster_race *r_ptr = &r_info[m_ptr->r_idx];
 897
 898         /* Percentile dice */
 899         k = randint1(100);
 900
 901         /* Snipers with high-concentration reduce instant miss percentage.*/
 902         k += p_ptr->concent;
 903
 904         /* Hack -- Instant miss or hit */
 905         if (k <= 5) return (FALSE);
 906         if (k > 95) return (TRUE);
 907
 908         if (p_ptr->pseikaku == SEIKAKU_NAMAKE)
 909                 if (one_in_(20)) return (FALSE);
 910
 911         /* Never hit */
 912         if (chance <= 0) return (FALSE);
 913
 914         ac = r_ptr->ac;
 915         if (p_ptr->concent)
 916         {
 917                 ac *= (8 - p_ptr->concent);
 918                 ac /= 8;
 919         }
 920
 921         if (m_ptr->r_idx == MON_GOEMON && !MON_CSLEEP(m_ptr)) ac *= 3;
 922
 923         /* Invisible monsters are harder to hit */
 924         if (!vis) chance = (chance + 1) / 2;
 925
 926         /* Power competes against armor */
 927         if (randint0(chance) < (ac * 3 / 4))
 928         {
 929                 if (m_ptr->r_idx == MON_GOEMON && !MON_CSLEEP(m_ptr))
 930                 {
 931                         GAME_TEXT m_name[MAX_NLEN];
 932
 933                         /* Extract monster name */
 934                         monster_desc(m_name, m_ptr, 0);
 935                         msg_format(_("%sは%sを斬り捨てた！", "%s cuts down %s!"), m_name, o_name);
 936                 }
 937                 return (FALSE);
 938         }
 939
 940         /* Assume hit */
 941         return (TRUE);
 942 }
 943
 944
 945
 946
 947 /*!
 948 * @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 /
 949 * Critical hits (from objects thrown by player) Factor in item weight, total plusses, and player level.
 950 * @param weight 矢弾の重量
 951 * @param plus_ammo 矢弾の命中修正
 952 * @param plus_bow 弓の命中修正
 953 * @param dam 現在算出中のダメージ値
 954 * @return クリティカル修正が入ったダメージ値
 955 */
 956 HIT_POINT critical_shot(WEIGHT weight, int plus_ammo, int plus_bow, HIT_POINT dam)
 957 {
 958         int i, k;
 959         object_type *j_ptr = &inventory[INVEN_BOW];
 960
 961         /* Extract "shot" power */
 962         i = p_ptr->to_h_b + plus_ammo;
 963
 964         if (p_ptr->tval_ammo == TV_BOLT)
 965                 i = (p_ptr->skill_thb + (p_ptr->weapon_exp[0][j_ptr->sval] / 400 + i) * BTH_PLUS_ADJ);
 966         else
 967                 i = (p_ptr->skill_thb + ((p_ptr->weapon_exp[0][j_ptr->sval] - (WEAPON_EXP_MASTER / 2)) / 200 + i) * BTH_PLUS_ADJ);
 968
 969
 970         /* Snipers can shot more critically with crossbows */
 971         if (p_ptr->concent) i += ((i * p_ptr->concent) / 5);
 972         if ((p_ptr->pclass == CLASS_SNIPER) && (p_ptr->tval_ammo == TV_BOLT)) i *= 2;
 973
 974         /* Good bow makes more critical */
 975         i += plus_bow * 8 * (p_ptr->concent ? p_ptr->concent + 5 : 5);
 976
 977         /* Critical hit */
 978         if (randint1(10000) <= i)
 979         {
 980                 k = weight * randint1(500);
 981
 982                 if (k < 900)
 983                 {
 984                         msg_print(_("手ごたえがあった！", "It was a good hit!"));
 985                         dam += (dam / 2);
 986                 }
 987                 else if (k < 1350)
 988                 {
 989                         msg_print(_("かなりの手ごたえがあった！", "It was a great hit!"));
 990                         dam *= 2;
 991                 }
 992                 else
 993                 {
 994                         msg_print(_("会心の一撃だ！", "It was a superb hit!"));
 995                         dam *= 3;
 996                 }
 997         }
 998
 999         return (dam);
1000 }
1001
1002
1003
1004
1005 /*!
1006  * @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
1007  * @param sval 射撃武器のアイテム副分類ID
1008  * @return 消費する基本エネルギー
1009  */
1010 ENERGY bow_energy(OBJECT_SUBTYPE_VALUE sval)
1011 {
1012         ENERGY energy = 10000;
1013
1014         /* Analyze the launcher */
1015         switch (sval)
1016         {
1017                 /* Sling and ammo */
1018         case SV_SLING:
1019         {
1020                 energy = 8000;
1021                 break;
1022         }
1023
1024         /* Short Bow and Arrow */
1025         case SV_SHORT_BOW:
1026         {
1027                 energy = 10000;
1028                 break;
1029         }
1030
1031         /* Long Bow and Arrow */
1032         case SV_LONG_BOW:
1033         {
1034                 energy = 10000;
1035                 break;
1036         }
1037
1038         /* Bow of irresponsiblity and Arrow */
1039         case SV_NAMAKE_BOW:
1040         {
1041                 energy = 7777;
1042                 break;
1043         }
1044
1045         /* Light Crossbow and Bolt */
1046         case SV_LIGHT_XBOW:
1047         {
1048                 energy = 12000;
1049                 break;
1050         }
1051
1052         /* Heavy Crossbow and Bolt */
1053         case SV_HEAVY_XBOW:
1054         {
1055                 energy = 13333;
1056                 break;
1057         }
1058         }
1059
1060         return (energy);
1061 }
1062
1063
1064 /*
1065  * Return bow tmul
1066  */
1067 int bow_tmul(OBJECT_SUBTYPE_VALUE sval)
1068 {
1069         int tmul = 0;
1070
1071         /* Analyze the launcher */
1072         switch (sval)
1073         {
1074                 /* Sling and ammo */
1075         case SV_SLING:
1076         {
1077                 tmul = 2;
1078                 break;
1079         }
1080
1081         /* Short Bow and Arrow */
1082         case SV_SHORT_BOW:
1083         {
1084                 tmul = 2;
1085                 break;
1086         }
1087
1088         /* Long Bow and Arrow */
1089         case SV_LONG_BOW:
1090         {
1091                 tmul = 3;
1092                 break;
1093         }
1094
1095         /* Bow of irresponsiblity and Arrow */
1096         case SV_NAMAKE_BOW:
1097         {
1098                 tmul = 3;
1099                 break;
1100         }
1101
1102         /* Light Crossbow and Bolt */
1103         case SV_LIGHT_XBOW:
1104         {
1105                 tmul = 3;
1106                 break;
1107         }
1108
1109         /* Heavy Crossbow and Bolt */
1110         case SV_HEAVY_XBOW:
1111         {
1112                 tmul = 4;
1113                 break;
1114         }
1115         }
1116
1117         return (tmul);
1118 }
1119
1120