src/shoot.c

   1 #include "angband.h"
   2 #include "monster.h"
   3 #include "monster-status.h"
   4 #include "monster-spell.h"
   5 #include "artifact.h"
   6 #include "avatar.h"
   7 #include "player-status.h"
   8 #include "object-hook.h"
   9 #include "floor.h"
  10 #include "grid.h"
  11 #include "spells.h"
  12 #include "object-flavor.h"
  13
  14 #include "shoot.h"
  15 #include "snipe.h"
  16 #include "view-mainwindow.h"
  17
  18 /*!
  19  * @brief 矢弾を射撃した際のスレイ倍率をかけた結果を返す /
  20  * Determines the odds of an object breaking when thrown at a monster
  21  * @param o_ptr 矢弾のオブジェクト構造体参照ポインタ
  22  * @param tdam 計算途中のダメージ量
  23  * @param m_ptr 目標モンスターの構造体参照ポインタ
  24  * @return スレイ倍率をかけたダメージ量
  25  */
  26 static MULTIPLY tot_dam_aux_shot(object_type *o_ptr, HIT_POINT tdam, monster_type *m_ptr, SPELL_IDX snipe_type)
  27 {
  28         MULTIPLY mult = 10;
  29
  30         monster_race *r_ptr = &r_info[m_ptr->r_idx];
  31
  32         BIT_FLAGS flgs[TR_FLAG_SIZE];
  33         object_flags(o_ptr, flgs);
  34
  35         /* Some "weapons" and "ammo" do extra damage */
  36         switch (o_ptr->tval)
  37         {
  38         case TV_SHOT:
  39         case TV_ARROW:
  40         case TV_BOLT:
  41         {
  42                 if ((have_flag(flgs, TR_SLAY_ANIMAL)) && (r_ptr->flags3 & RF3_ANIMAL))
  43                 {
  44                         if (is_original_ap_and_seen(m_ptr))
  45                         {
  46                                 r_ptr->r_flags3 |= RF3_ANIMAL;
  47                         }
  48                         if (mult < 17) mult = 17;
  49                 }
  50
  51                 if ((have_flag(flgs, TR_KILL_ANIMAL)) && (r_ptr->flags3 & RF3_ANIMAL))
  52                 {
  53                         if (is_original_ap_and_seen(m_ptr))
  54                         {
  55                                 r_ptr->r_flags3 |= RF3_ANIMAL;
  56                         }
  57                         if (mult < 27) mult = 27;
  58                 }
  59
  60                 if ((have_flag(flgs, TR_SLAY_EVIL)) && (r_ptr->flags3 & RF3_EVIL))
  61                 {
  62                         if (is_original_ap_and_seen(m_ptr))
  63                         {
  64                                 r_ptr->r_flags3 |= RF3_EVIL;
  65                         }
  66                         if (mult < 15) mult = 15;
  67                 }
  68
  69                 if ((have_flag(flgs, TR_KILL_EVIL)) && (r_ptr->flags3 & RF3_EVIL))
  70                 {
  71                         if (is_original_ap_and_seen(m_ptr))
  72                         {
  73                                 r_ptr->r_flags3 |= RF3_EVIL;
  74                         }
  75                         if (mult < 25) mult = 25;
  76                 }
  77
  78                 if ((have_flag(flgs, TR_SLAY_HUMAN)) && (r_ptr->flags2 & RF2_HUMAN))
  79                 {
  80                         if (is_original_ap_and_seen(m_ptr))
  81                         {
  82                                 r_ptr->r_flags2 |= RF2_HUMAN;
  83                         }
  84                         if (mult < 17) mult = 17;
  85                 }
  86
  87                 if ((have_flag(flgs, TR_KILL_HUMAN)) && (r_ptr->flags2 & RF2_HUMAN))
  88                 {
  89                         if (is_original_ap_and_seen(m_ptr))
  90                         {
  91                                 r_ptr->r_flags2 |= RF2_HUMAN;
  92                         }
  93                         if (mult < 27) mult = 27;
  94                 }
  95
  96                 if ((have_flag(flgs, TR_SLAY_UNDEAD)) && (r_ptr->flags3 & RF3_UNDEAD))
  97                 {
  98                         if (is_original_ap_and_seen(m_ptr))
  99                         {
 100                                 r_ptr->r_flags3 |= RF3_UNDEAD;
 101                         }
 102                         if (mult < 20) mult = 20;
 103                 }
 104
 105                 if ((have_flag(flgs, TR_KILL_UNDEAD)) && (r_ptr->flags3 & RF3_UNDEAD))
 106                 {
 107                         if (is_original_ap_and_seen(m_ptr))
 108                         {
 109                                 r_ptr->r_flags3 |= RF3_UNDEAD;
 110                         }
 111                         if (mult < 30) mult = 30;
 112                 }
 113
 114                 if ((have_flag(flgs, TR_SLAY_DEMON)) && (r_ptr->flags3 & RF3_DEMON))
 115                 {
 116                         if (is_original_ap_and_seen(m_ptr))
 117                         {
 118                                 r_ptr->r_flags3 |= RF3_DEMON;
 119                         }
 120                         if (mult < 20) mult = 20;
 121                 }
 122
 123                 if ((have_flag(flgs, TR_KILL_DEMON)) && (r_ptr->flags3 & RF3_DEMON))
 124                 {
 125                         if (is_original_ap_and_seen(m_ptr))
 126                         {
 127                                 r_ptr->r_flags3 |= RF3_DEMON;
 128                         }
 129                         if (mult < 30) mult = 30;
 130                 }
 131
 132                 if ((have_flag(flgs, TR_SLAY_ORC)) && (r_ptr->flags3 & RF3_ORC))
 133                 {
 134                         if (is_original_ap_and_seen(m_ptr))
 135                         {
 136                                 r_ptr->r_flags3 |= RF3_ORC;
 137                         }
 138                         if (mult < 20) mult = 20;
 139                 }
 140
 141                 if ((have_flag(flgs, TR_KILL_ORC)) && (r_ptr->flags3 & RF3_ORC))
 142                 {
 143                         if (is_original_ap_and_seen(m_ptr))
 144                         {
 145                                 r_ptr->r_flags3 |= RF3_ORC;
 146                         }
 147                         if (mult < 30) mult = 30;
 148                 }
 149
 150                 if ((have_flag(flgs, TR_SLAY_TROLL)) && (r_ptr->flags3 & RF3_TROLL))
 151                 {
 152                         if (is_original_ap_and_seen(m_ptr))
 153                         {
 154                                 r_ptr->r_flags3 |= RF3_TROLL;
 155                         }
 156
 157                         if (mult < 20) mult = 20;
 158                 }
 159
 160                 if ((have_flag(flgs, TR_KILL_TROLL)) && (r_ptr->flags3 & RF3_TROLL))
 161                 {
 162                         if (is_original_ap_and_seen(m_ptr))
 163                         {
 164                                 r_ptr->r_flags3 |= RF3_TROLL;
 165                         }
 166                         if (mult < 30) mult = 30;
 167                 }
 168
 169                 if ((have_flag(flgs, TR_SLAY_GIANT)) && (r_ptr->flags3 & RF3_GIANT))
 170                 {
 171                         if (is_original_ap_and_seen(m_ptr))
 172                         {
 173                                 r_ptr->r_flags3 |= RF3_GIANT;
 174                         }
 175                         if (mult < 20) mult = 20;
 176                 }
 177
 178                 if ((have_flag(flgs, TR_KILL_GIANT)) && (r_ptr->flags3 & RF3_GIANT))
 179                 {
 180                         if (is_original_ap_and_seen(m_ptr))
 181                         {
 182                                 r_ptr->r_flags3 |= RF3_GIANT;
 183                         }
 184                         if (mult < 30) mult = 30;
 185                 }
 186
 187                 if ((have_flag(flgs, TR_SLAY_DRAGON)) && (r_ptr->flags3 & RF3_DRAGON))
 188                 {
 189                         if (is_original_ap_and_seen(m_ptr))
 190                         {
 191                                 r_ptr->r_flags3 |= RF3_DRAGON;
 192                         }
 193                         if (mult < 20) mult = 20;
 194                 }
 195
 196                 if ((have_flag(flgs, TR_KILL_DRAGON)) && (r_ptr->flags3 & RF3_DRAGON))
 197                 {
 198                         if (is_original_ap_and_seen(m_ptr))
 199                         {
 200                                 r_ptr->r_flags3 |= RF3_DRAGON;
 201                         }
 202                         if (mult < 30) mult = 30;
 203                         if ((o_ptr->name1 == ART_BARD_ARROW) && (m_ptr->r_idx == MON_SMAUG) &&
 204                                 (inventory[INVEN_BOW].name1 == ART_BARD))
 205                                 mult *= 5;
 206                 }
 207
 208                 if (have_flag(flgs, TR_BRAND_ACID))
 209                 {
 210                         /* Notice immunity */
 211                         if (r_ptr->flagsr & RFR_EFF_IM_ACID_MASK)
 212                         {
 213                                 if (is_original_ap_and_seen(m_ptr))
 214                                 {
 215                                         r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_ACID_MASK);
 216                                 }
 217                         }
 218                         else
 219                         {
 220                                 if (mult < 17) mult = 17;
 221                         }
 222                 }
 223
 224                 if (have_flag(flgs, TR_BRAND_ELEC))
 225                 {
 226                         /* Notice immunity */
 227                         if (r_ptr->flagsr & RFR_EFF_IM_ELEC_MASK)
 228                         {
 229                                 if (is_original_ap_and_seen(m_ptr))
 230                                 {
 231                                         r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_ELEC_MASK);
 232                                 }
 233                         }
 234                         else
 235                         {
 236                                 if (mult < 17) mult = 17;
 237                         }
 238                 }
 239
 240                 if (have_flag(flgs, TR_BRAND_FIRE))
 241                 {
 242                         /* Notice immunity */
 243                         if (r_ptr->flagsr & RFR_EFF_IM_FIRE_MASK)
 244                         {
 245                                 if (is_original_ap_and_seen(m_ptr))
 246                                 {
 247                                         r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_FIRE_MASK);
 248                                 }
 249                         }
 250                         /* Otherwise, take the damage */
 251                         else
 252                         {
 253                                 if (r_ptr->flags3 & RF3_HURT_FIRE)
 254                                 {
 255                                         if (mult < 25) mult = 25;
 256                                         if (is_original_ap_and_seen(m_ptr))
 257                                         {
 258                                                 r_ptr->r_flags3 |= RF3_HURT_FIRE;
 259                                         }
 260                                 }
 261                                 else if (mult < 17) mult = 17;
 262                         }
 263                 }
 264
 265                 if (have_flag(flgs, TR_BRAND_COLD))
 266                 {
 267                         /* Notice immunity */
 268                         if (r_ptr->flagsr & RFR_EFF_IM_COLD_MASK)
 269                         {
 270                                 if (is_original_ap_and_seen(m_ptr))
 271                                 {
 272                                         r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_COLD_MASK);
 273                                 }
 274                         }
 275                         /* Otherwise, take the damage */
 276                         else
 277                         {
 278                                 if (r_ptr->flags3 & RF3_HURT_COLD)
 279                                 {
 280                                         if (mult < 25) mult = 25;
 281                                         if (is_original_ap_and_seen(m_ptr))
 282                                         {
 283                                                 r_ptr->r_flags3 |= RF3_HURT_COLD;
 284                                         }
 285                                 }
 286                                 else if (mult < 17) mult = 17;
 287                         }
 288                 }
 289
 290                 if (have_flag(flgs, TR_BRAND_POIS))
 291                 {
 292                         /* Notice immunity */
 293                         if (r_ptr->flagsr & RFR_EFF_IM_POIS_MASK)
 294                         {
 295                                 if (is_original_ap_and_seen(m_ptr))
 296                                 {
 297                                         r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_POIS_MASK);
 298                                 }
 299                         }
 300                         /* Otherwise, take the damage */
 301                         else
 302                         {
 303                                 if (mult < 17) mult = 17;
 304                         }
 305                 }
 306
 307                 if ((have_flag(flgs, TR_FORCE_WEAPON)) && (p_ptr->csp > (p_ptr->msp / 30)))
 308                 {
 309                         p_ptr->csp -= (1 + (p_ptr->msp / 30));
 310                         p_ptr->redraw |= (PR_MANA);
 311                         mult = mult * 5 / 2;
 312                 }
 313                 break;
 314         }
 315         }
 316
 317         /* Sniper */
 318         if (snipe_type) mult = tot_dam_aux_snipe(mult, m_ptr, snipe_type);
 319
 320         /* Return the total damage */
 321         return (tdam * mult / 10);
 322 }
 323
 324
 325 /*!
 326  * @brief 射撃処理実行 /
 327  * Fire an object from the pack or floor.
 328  * @param item 射撃するオブジェクトの所持ID
 329  * @param j_ptr 射撃武器のオブジェクト参照ポインタ
 330  * @return なし
 331  * @details
 332  * <pre>
 333  * You may only fire items that "match" your missile launcher.
 334  * You must use slings + pebbles/shots, bows + arrows, xbows + bolts.
 335  * See "calc_bonuses()" for more calculations and such.
 336  * Note that "firing" a missile is MUCH better than "throwing" it.
 337  * Note: "unseen" monsters are very hard to hit.
 338  * Objects are more likely to break if they "attempt" to hit a monster.
 339  * Rangers (with Bows) and Anyone (with "Extra Shots") get extra shots.
 340  * The "extra shot" code works by decreasing the amount of energy
 341  * required to make each shot, spreading the shots out over time.
 342  * Note that when firing missiles, the launcher multiplier is applied
 343  * after all the bonuses are added in, making multipliers very useful.
 344  * Note that Bows of "Extra Might" get extra range and an extra bonus
 345  * for the damage multiplier.
 346  * Note that Bows of "Extra Shots" give an extra shot.
 347  * </pre>
 348  */
 349 void exe_fire(INVENTORY_IDX item, object_type *j_ptr, SPELL_IDX snipe_type)
 350 {
 351         DIRECTION dir;
 352         int i;
 353         POSITION y, x, ny, nx, ty, tx, prev_y, prev_x;
 354         int tdam_base, tdis, thits, tmul;
 355         int bonus, chance;
 356         int cur_dis, visible;
 357         PERCENTAGE j;
 358
 359         object_type forge;
 360         object_type *q_ptr;
 361
 362         object_type *o_ptr;
 363
 364         bool hit_body = FALSE;
 365
 366         GAME_TEXT o_name[MAX_NLEN];
 367
 368         u16b path_g[512];       /* For calcuration of path length */
 369
 370         int msec = delay_factor * delay_factor * delay_factor;
 371
 372         /* STICK TO */
 373         bool stick_to = FALSE;
 374
 375         /* Access the item (if in the pack) */
 376         if (item >= 0)
 377         {
 378                 o_ptr = &inventory[item];
 379         }
 380         else
 381         {
 382                 o_ptr = &current_floor_ptr->o_list[0 - item];
 383         }
 384
 385         /* Sniper - Cannot shot a single arrow twice */
 386         if ((snipe_type == SP_DOUBLE) && (o_ptr->number < 2)) snipe_type = SP_NONE;
 387
 388         object_desc(o_name, o_ptr, OD_OMIT_PREFIX);
 389
 390         /* Use the proper number of shots */
 391         thits = p_ptr->num_fire;
 392
 393         /* Use a base distance */
 394         tdis = 10;
 395
 396         /* Base damage from thrown object plus launcher bonus */
 397         tdam_base = damroll(o_ptr->dd, o_ptr->ds) + o_ptr->to_d + j_ptr->to_d;
 398
 399         /* Actually "fire" the object */
 400         bonus = (p_ptr->to_h_b + o_ptr->to_h + j_ptr->to_h);
 401         if ((j_ptr->sval == SV_LIGHT_XBOW) || (j_ptr->sval == SV_HEAVY_XBOW))
 402                 chance = (p_ptr->skill_thb + (p_ptr->weapon_exp[0][j_ptr->sval] / 400 + bonus) * BTH_PLUS_ADJ);
 403         else
 404                 chance = (p_ptr->skill_thb + ((p_ptr->weapon_exp[0][j_ptr->sval] - (WEAPON_EXP_MASTER / 2)) / 200 + bonus) * BTH_PLUS_ADJ);
 405
 406         p_ptr->energy_use = bow_energy(j_ptr->sval);
 407         tmul = bow_tmul(j_ptr->sval);
 408
 409         /* Get extra "power" from "extra might" */
 410         if (p_ptr->xtra_might) tmul++;
 411
 412         tmul = tmul * (100 + (int)(adj_str_td[p_ptr->stat_ind[A_STR]]) - 128);
 413
 414         /* Boost the damage */
 415         tdam_base *= tmul;
 416         tdam_base /= 100;
 417
 418         /* Base range */
 419         tdis = 13 + tmul / 80;
 420         if ((j_ptr->sval == SV_LIGHT_XBOW) || (j_ptr->sval == SV_HEAVY_XBOW))
 421         {
 422                 if (p_ptr->concent)
 423                         tdis -= (5 - (p_ptr->concent + 1) / 2);
 424                 else
 425                         tdis -= 5;
 426         }
 427
 428         project_length = tdis + 1;
 429
 430         /* Get a direction (or cancel) */
 431         if (!get_aim_dir(&dir))
 432         {
 433                 free_turn(p_ptr);
 434
 435                 if (snipe_type == SP_AWAY) snipe_type = SP_NONE;
 436
 437                 /* need not to reset project_length (already did)*/
 438
 439                 return;
 440         }
 441
 442         /* Predict the "target" location */
 443         tx = p_ptr->x + 99 * ddx[dir];
 444         ty = p_ptr->y + 99 * ddy[dir];
 445
 446         /* Check for "target request" */
 447         if ((dir == 5) && target_okay())
 448         {
 449                 tx = target_col;
 450                 ty = target_row;
 451         }
 452
 453         /* Get projection path length */
 454         tdis = project_path(path_g, project_length, p_ptr->y, p_ptr->x, ty, tx, PROJECT_PATH | PROJECT_THRU) - 1;
 455
 456         project_length = 0; /* reset to default */
 457
 458         /* Don't shoot at my feet */
 459         if (tx == p_ptr->x && ty == p_ptr->y)
 460         {
 461                 free_turn(p_ptr);
 462
 463                 /* project_length is already reset to 0 */
 464
 465                 return;
 466         }
 467
 468
 469         /* Take a (partial) current_world_ptr->game_turn */
 470         p_ptr->energy_use = (p_ptr->energy_use / thits);
 471         is_fired = TRUE;
 472
 473         /* Sniper - Difficult to shot twice at 1 current_world_ptr->game_turn */
 474         if (snipe_type == SP_DOUBLE)  p_ptr->concent = (p_ptr->concent + 1) / 2;
 475
 476         /* Sniper - Repeat shooting when double shots */
 477         for (i = 0; i < ((snipe_type == SP_DOUBLE) ? 2 : 1); i++)
 478         {
 479
 480                 /* Start at the player */
 481                 y = p_ptr->y;
 482                 x = p_ptr->x;
 483                 q_ptr = &forge;
 484
 485                 /* Obtain a local object */
 486                 object_copy(q_ptr, o_ptr);
 487
 488                 /* Single object */
 489                 q_ptr->number = 1;
 490
 491                 /* Reduce and describe inventory */
 492                 if (item >= 0)
 493                 {
 494                         inven_item_increase(item, -1);
 495                         inven_item_describe(item);
 496                         inven_item_optimize(item);
 497                 }
 498
 499                 /* Reduce and describe floor item */
 500                 else
 501                 {
 502                         floor_item_increase(0 - item, -1);
 503                         floor_item_optimize(0 - item);
 504                 }
 505
 506                 sound(SOUND_SHOOT);
 507                 handle_stuff();
 508
 509                 prev_y = y;
 510                 prev_x = x;
 511
 512                 /* The shot does not hit yet */
 513                 hit_body = FALSE;
 514
 515                 /* Travel until stopped */
 516                 for (cur_dis = 0; cur_dis <= tdis; )
 517                 {
 518                         grid_type *g_ptr;
 519
 520                         /* Hack -- Stop at the target */
 521                         if ((y == ty) && (x == tx)) break;
 522
 523                         /* Calculate the new location (see "project()") */
 524                         ny = y;
 525                         nx = x;
 526                         mmove2(&ny, &nx, p_ptr->y, p_ptr->x, ty, tx);
 527
 528                         /* Shatter Arrow */
 529                         if (snipe_type == SP_KILL_WALL)
 530                         {
 531                                 g_ptr = &current_floor_ptr->grid_array[ny][nx];
 532
 533                                 if (cave_have_flag_grid(g_ptr, FF_HURT_ROCK) && !g_ptr->m_idx)
 534                                 {
 535                                         if (g_ptr->info & (CAVE_MARK)) msg_print(_("岩が砕け散った。", "Wall rocks were shattered."));
 536                                         /* Forget the wall */
 537                                         g_ptr->info &= ~(CAVE_MARK);
 538                                         p_ptr->update |= (PU_VIEW | PU_LITE | PU_FLOW | PU_MON_LITE);
 539
 540                                         /* Destroy the wall */
 541                                         cave_alter_feat(ny, nx, FF_HURT_ROCK);
 542
 543                                         hit_body = TRUE;
 544                                         break;
 545                                 }
 546                         }
 547
 548                         /* Stopped by walls/doors */
 549                         if (!cave_have_flag_bold(ny, nx, FF_PROJECT) && !current_floor_ptr->grid_array[ny][nx].m_idx) break;
 550
 551                         /* Advance the distance */
 552                         cur_dis++;
 553
 554                         /* Sniper */
 555                         if (snipe_type == SP_LITE)
 556                         {
 557                                 current_floor_ptr->grid_array[ny][nx].info |= (CAVE_GLOW);
 558                                 note_spot(ny, nx);
 559                                 lite_spot(ny, nx);
 560                         }
 561
 562                         /* The player can see the (on screen) missile */
 563                         if (panel_contains(ny, nx) && player_can_see_bold(ny, nx))
 564                         {
 565                                 char c = object_char(q_ptr);
 566                                 byte a = object_attr(q_ptr);
 567
 568                                 /* Draw, Hilite, Fresh, Pause, Erase */
 569                                 print_rel(c, a, ny, nx);
 570                                 move_cursor_relative(ny, nx);
 571                                 Term_fresh();
 572                                 Term_xtra(TERM_XTRA_DELAY, msec);
 573                                 lite_spot(ny, nx);
 574                                 Term_fresh();
 575                         }
 576
 577                         /* The player cannot see the missile */
 578                         else
 579                         {
 580                                 /* Pause anyway, for consistancy */
 581                                 Term_xtra(TERM_XTRA_DELAY, msec);
 582                         }
 583
 584                         /* Sniper */
 585                         if (snipe_type == SP_KILL_TRAP)
 586                         {
 587                                 project(0, 0, ny, nx, 0, GF_KILL_TRAP,
 588                                         (PROJECT_JUMP | PROJECT_HIDE | PROJECT_GRID | PROJECT_ITEM), -1);
 589                         }
 590
 591                         /* Sniper */
 592                         if (snipe_type == SP_EVILNESS)
 593                         {
 594                                 current_floor_ptr->grid_array[ny][nx].info &= ~(CAVE_GLOW | CAVE_MARK);
 595                                 note_spot(ny, nx);
 596                                 lite_spot(ny, nx);
 597                         }
 598
 599                         prev_y = y;
 600                         prev_x = x;
 601
 602                         /* Save the new location */
 603                         x = nx;
 604                         y = ny;
 605
 606                         /* Monster here, Try to hit it */
 607                         if (current_floor_ptr->grid_array[y][x].m_idx)
 608                         {
 609                                 grid_type *c_mon_ptr = &current_floor_ptr->grid_array[y][x];
 610
 611                                 monster_type *m_ptr = &current_floor_ptr->m_list[c_mon_ptr->m_idx];
 612                                 monster_race *r_ptr = &r_info[m_ptr->r_idx];
 613
 614                                 /* Check the visibility */
 615                                 visible = m_ptr->ml;
 616
 617                                 /* Note the collision */
 618                                 hit_body = TRUE;
 619
 620                                 if (MON_CSLEEP(m_ptr))
 621                                 {
 622                                         if (!(r_ptr->flags3 & RF3_EVIL) || one_in_(5)) chg_virtue(V_COMPASSION, -1);
 623                                         if (!(r_ptr->flags3 & RF3_EVIL) || one_in_(5)) chg_virtue(V_HONOUR, -1);
 624                                 }
 625
 626                                 if ((r_ptr->level + 10) > p_ptr->lev)
 627                                 {
 628                                         int now_exp = p_ptr->weapon_exp[0][j_ptr->sval];
 629                                         if (now_exp < s_info[p_ptr->pclass].w_max[0][j_ptr->sval])
 630                                         {
 631                                                 SUB_EXP amount = 0;
 632                                                 if (now_exp < WEAPON_EXP_BEGINNER) amount = 80;
 633                                                 else if (now_exp < WEAPON_EXP_SKILLED) amount = 25;
 634                                                 else if ((now_exp < WEAPON_EXP_EXPERT) && (p_ptr->lev > 19)) amount = 10;
 635                                                 else if (p_ptr->lev > 34) amount = 2;
 636                                                 p_ptr->weapon_exp[0][j_ptr->sval] += amount;
 637                                                 p_ptr->update |= (PU_BONUS);
 638                                         }
 639                                 }
 640
 641                                 if (p_ptr->riding)
 642                                 {
 643                                         if ((p_ptr->skill_exp[GINOU_RIDING] < s_info[p_ptr->pclass].s_max[GINOU_RIDING])
 644                                                 && ((p_ptr->skill_exp[GINOU_RIDING] - (RIDING_EXP_BEGINNER * 2)) / 200 < r_info[current_floor_ptr->m_list[p_ptr->riding].r_idx].level)
 645                                                 && one_in_(2))
 646                                         {
 647                                                 p_ptr->skill_exp[GINOU_RIDING] += 1;
 648                                                 p_ptr->update |= (PU_BONUS);
 649                                         }
 650                                 }
 651
 652                                 /* Did we hit it (penalize range) */
 653                                 if (test_hit_fire(chance - cur_dis, m_ptr, m_ptr->ml, o_name))
 654                                 {
 655                                         bool fear = FALSE;
 656                                         int tdam = tdam_base;
 657
 658                                         /* Get extra damage from concentration */
 659                                         if (p_ptr->concent) tdam = boost_concentration_damage(tdam);
 660
 661                                         /* Handle unseen monster */
 662                                         if (!visible)
 663                                         {
 664                                                 /* Invisible monster */
 665                                                 msg_format(_("%sが敵を捕捉した。", "The %s finds a mark."), o_name);
 666                                         }
 667
 668                                         /* Handle visible monster */
 669                                         else
 670                                         {
 671                                                 GAME_TEXT m_name[MAX_NLEN];
 672
 673                                                 /* Get "the monster" or "it" */
 674                                                 monster_desc(m_name, m_ptr, 0);
 675
 676                                                 msg_format(_("%sが%sに命中した。", "The %s hits %s."), o_name, m_name);
 677
 678                                                 if (m_ptr->ml)
 679                                                 {
 680                                                         if (!p_ptr->image) monster_race_track(m_ptr->ap_r_idx);
 681                                                         health_track(c_mon_ptr->m_idx);
 682                                                 }
 683                                         }
 684
 685                                         if (snipe_type == SP_NEEDLE)
 686                                         {
 687                                                 if ((randint1(randint1(r_ptr->level / (3 + p_ptr->concent)) + (8 - p_ptr->concent)) == 1)
 688                                                         && !(r_ptr->flags1 & RF1_UNIQUE) && !(r_ptr->flags7 & RF7_UNIQUE2))
 689                                                 {
 690                                                         GAME_TEXT m_name[MAX_NLEN];
 691
 692                                                         /* Get "the monster" or "it" */
 693                                                         monster_desc(m_name, m_ptr, 0);
 694
 695                                                         tdam = m_ptr->hp + 1;
 696                                                         msg_format(_("%sの急所に突き刺さった！", "Your shot sticked on a fatal spot of %s!"), m_name);
 697                                                 }
 698                                                 else tdam = 1;
 699                                         }
 700                                         else
 701                                         {
 702                                                 /* Apply special damage */
 703                                                 tdam = tot_dam_aux_shot(q_ptr, tdam, m_ptr, snipe_type);
 704                                                 tdam = critical_shot(q_ptr->weight, q_ptr->to_h, j_ptr->to_h, tdam);
 705
 706                                                 /* No negative damage */
 707                                                 if (tdam < 0) tdam = 0;
 708
 709                                                 /* Modify the damage */
 710                                                 tdam = mon_damage_mod(m_ptr, tdam, FALSE);
 711                                         }
 712
 713                                         msg_format_wizard(CHEAT_MONSTER,
 714                                                 _("%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))"),
 715                                                 tdam, m_ptr->hp - tdam, m_ptr->maxhp, m_ptr->max_maxhp);
 716
 717                                         /* Sniper */
 718                                         if (snipe_type == SP_EXPLODE)
 719                                         {
 720                                                 u16b flg = (PROJECT_STOP | PROJECT_JUMP | PROJECT_KILL | PROJECT_GRID);
 721
 722                                                 sound(SOUND_EXPLODE); /* No explode sound - use breath fire instead */
 723                                                 project(0, ((p_ptr->concent + 1) / 2 + 1), ny, nx, tdam, GF_MISSILE, flg, -1);
 724                                                 break;
 725                                         }
 726
 727                                         /* Sniper */
 728                                         if (snipe_type == SP_HOLYNESS)
 729                                         {
 730                                                 current_floor_ptr->grid_array[ny][nx].info |= (CAVE_GLOW);
 731                                                 note_spot(ny, nx);
 732                                                 lite_spot(ny, nx);
 733                                         }
 734
 735                                         /* Hit the monster, check for death */
 736                                         if (mon_take_hit(c_mon_ptr->m_idx, tdam, &fear, extract_note_dies(real_r_idx(m_ptr))))
 737                                         {
 738                                                 /* Dead monster */
 739                                         }
 740
 741                                         /* No death */
 742                                         else
 743                                         {
 744                                                 /* STICK TO */
 745                                                 if (object_is_fixed_artifact(q_ptr) &&
 746                                                         (p_ptr->pclass != CLASS_SNIPER || p_ptr->concent == 0))
 747                                                 {
 748                                                         GAME_TEXT m_name[MAX_NLEN];
 749
 750                                                         monster_desc(m_name, m_ptr, 0);
 751
 752                                                         stick_to = TRUE;
 753                                                         msg_format(_("%sは%sに突き刺さった！", "%^s have stuck into %s!"), o_name, m_name);
 754                                                 }
 755
 756                                                 message_pain(c_mon_ptr->m_idx, tdam);
 757
 758                                                 /* Anger the monster */
 759                                                 if (tdam > 0) anger_monster(m_ptr);
 760
 761                                                 if (fear && m_ptr->ml)
 762                                                 {
 763                                                         GAME_TEXT m_name[MAX_NLEN];
 764                                                         sound(SOUND_FLEE);
 765                                                         monster_desc(m_name, m_ptr, 0);
 766                                                         msg_format(_("%^sは恐怖して逃げ出した！", "%^s flees in terror!"), m_name);
 767                                                 }
 768
 769                                                 set_target(m_ptr, p_ptr->y, p_ptr->x);
 770
 771                                                 /* Sniper */
 772                                                 if (snipe_type == SP_RUSH)
 773                                                 {
 774                                                         int n = randint1(5) + 3;
 775                                                         MONSTER_IDX m_idx = c_mon_ptr->m_idx;
 776
 777                                                         for (; cur_dis <= tdis; )
 778                                                         {
 779                                                                 POSITION ox = nx;
 780                                                                 POSITION oy = ny;
 781
 782                                                                 if (!n) break;
 783
 784                                                                 /* Calculate the new location (see "project()") */
 785                                                                 mmove2(&ny, &nx, p_ptr->y, p_ptr->x, ty, tx);
 786
 787                                                                 /* Stopped by wilderness boundary */
 788                                                                 if (!in_bounds2(ny, nx)) break;
 789
 790                                                                 /* Stopped by walls/doors */
 791                                                                 if (!player_can_enter(current_floor_ptr->grid_array[ny][nx].feat, 0)) break;
 792
 793                                                                 /* Stopped by monsters */
 794                                                                 if (!cave_empty_bold(ny, nx)) break;
 795
 796                                                                 current_floor_ptr->grid_array[ny][nx].m_idx = m_idx;
 797                                                                 current_floor_ptr->grid_array[oy][ox].m_idx = 0;
 798
 799                                                                 m_ptr->fx = nx;
 800                                                                 m_ptr->fy = ny;
 801
 802                                                                 update_monster(c_mon_ptr->m_idx, TRUE);
 803
 804                                                                 lite_spot(ny, nx);
 805                                                                 lite_spot(oy, ox);
 806
 807                                                                 Term_fresh();
 808                                                                 Term_xtra(TERM_XTRA_DELAY, msec);
 809
 810                                                                 x = nx;
 811                                                                 y = ny;
 812                                                                 cur_dis++;
 813                                                                 n--;
 814                                                         }
 815                                                 }
 816                                         }
 817                                 }
 818
 819                                 /* Sniper */
 820                                 if (snipe_type == SP_PIERCE)
 821                                 {
 822                                         if (p_ptr->concent < 1) break;
 823                                         p_ptr->concent--;
 824                                         continue;
 825                                 }
 826
 827                                 /* Stop looking */
 828                                 break;
 829                         }
 830                 }
 831
 832                 /* Chance of breakage (during attacks) */
 833                 j = (hit_body ? breakage_chance(q_ptr, snipe_type) : 0);
 834
 835                 if (stick_to)
 836                 {
 837                         MONSTER_IDX m_idx = current_floor_ptr->grid_array[y][x].m_idx;
 838                         monster_type *m_ptr = &current_floor_ptr->m_list[m_idx];
 839                         OBJECT_IDX o_idx = o_pop();
 840
 841                         if (!o_idx)
 842                         {
 843                                 msg_format(_("%sはどこかへ行った。", "The %s have gone to somewhere."), o_name);
 844                                 if (object_is_fixed_artifact(q_ptr))
 845                                 {
 846                                         a_info[j_ptr->name1].cur_num = 0;
 847                                 }
 848                                 return;
 849                         }
 850
 851                         o_ptr = &current_floor_ptr->o_list[o_idx];
 852                         object_copy(o_ptr, q_ptr);
 853
 854                         /* Forget mark */
 855                         o_ptr->marked &= OM_TOUCHED;
 856
 857                         /* Forget location */
 858                         o_ptr->iy = o_ptr->ix = 0;
 859
 860                         /* Memorize monster */
 861                         o_ptr->held_m_idx = m_idx;
 862
 863                         /* Build a stack */
 864                         o_ptr->next_o_idx = m_ptr->hold_o_idx;
 865
 866                         /* Carry object */
 867                         m_ptr->hold_o_idx = o_idx;
 868                 }
 869                 else if (cave_have_flag_bold(y, x, FF_PROJECT))
 870                 {
 871                         /* Drop (or break) near that location */
 872                         (void)drop_near(q_ptr, j, y, x);
 873                 }
 874                 else
 875                 {
 876                         /* Drop (or break) near that location */
 877                         (void)drop_near(q_ptr, j, prev_y, prev_x);
 878                 }
 879
 880                 /* Sniper - Repeat shooting when double shots */
 881         }
 882
 883         /* Sniper - Loose his/her concentration after any shot */
 884         if (p_ptr->concent) reset_concentration(FALSE);
 885 }
 886
 887
 888 /*!
 889 * @brief プレイヤーからモンスターへの射撃命中判定 /
 890 * Determine if the player "hits" a monster (normal combat).
 891 * @param chance 基本命中値
 892 * @param m_ptr モンスターの構造体参照ポインタ
 893 * @param vis 目標を視界に捕らえているならばTRUEを指定
 894 * @param o_name メッセージ表示時のモンスター名
 895 * @return 命中と判定された場合TRUEを返す
 896 * @note Always miss 5%, always hit 5%, otherwise random.
 897 */
 898 bool test_hit_fire(int chance, monster_type *m_ptr, int vis, char* o_name)
 899 {
 900         int k;
 901         ARMOUR_CLASS ac;
 902         monster_race *r_ptr = &r_info[m_ptr->r_idx];
 903
 904         /* Percentile dice */
 905         k = randint1(100);
 906
 907         /* Snipers with high-concentration reduce instant miss percentage.*/
 908         k += p_ptr->concent;
 909
 910         /* Hack -- Instant miss or hit */
 911         if (k <= 5) return (FALSE);
 912         if (k > 95) return (TRUE);
 913
 914         if (p_ptr->pseikaku == SEIKAKU_NAMAKE)
 915                 if (one_in_(20)) return (FALSE);
 916
 917         /* Never hit */
 918         if (chance <= 0) return (FALSE);
 919
 920         ac = r_ptr->ac;
 921         if (p_ptr->concent)
 922         {
 923                 ac *= (8 - p_ptr->concent);
 924                 ac /= 8;
 925         }
 926
 927         if (m_ptr->r_idx == MON_GOEMON && !MON_CSLEEP(m_ptr)) ac *= 3;
 928
 929         /* Invisible monsters are harder to hit */
 930         if (!vis) chance = (chance + 1) / 2;
 931
 932         /* Power competes against armor */
 933         if (randint0(chance) < (ac * 3 / 4))
 934         {
 935                 if (m_ptr->r_idx == MON_GOEMON && !MON_CSLEEP(m_ptr))
 936                 {
 937                         GAME_TEXT m_name[MAX_NLEN];
 938
 939                         /* Extract monster name */
 940                         monster_desc(m_name, m_ptr, 0);
 941                         msg_format(_("%sは%sを斬り捨てた！", "%s cuts down %s!"), m_name, o_name);
 942                 }
 943                 return (FALSE);
 944         }
 945
 946         /* Assume hit */
 947         return (TRUE);
 948 }
 949
 950
 951
 952
 953 /*!
 954 * @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 /
 955 * Critical hits (from objects thrown by player) Factor in item weight, total plusses, and player level.
 956 * @param weight 矢弾の重量
 957 * @param plus_ammo 矢弾の命中修正
 958 * @param plus_bow 弓の命中修正
 959 * @param dam 現在算出中のダメージ値
 960 * @return クリティカル修正が入ったダメージ値
 961 */
 962 HIT_POINT critical_shot(WEIGHT weight, int plus_ammo, int plus_bow, HIT_POINT dam)
 963 {
 964         int i, k;
 965         object_type *j_ptr = &inventory[INVEN_BOW];
 966
 967         /* Extract "shot" power */
 968         i = p_ptr->to_h_b + plus_ammo;
 969
 970         if (p_ptr->tval_ammo == TV_BOLT)
 971                 i = (p_ptr->skill_thb + (p_ptr->weapon_exp[0][j_ptr->sval] / 400 + i) * BTH_PLUS_ADJ);
 972         else
 973                 i = (p_ptr->skill_thb + ((p_ptr->weapon_exp[0][j_ptr->sval] - (WEAPON_EXP_MASTER / 2)) / 200 + i) * BTH_PLUS_ADJ);
 974
 975
 976         /* Snipers can shot more critically with crossbows */
 977         if (p_ptr->concent) i += ((i * p_ptr->concent) / 5);
 978         if ((p_ptr->pclass == CLASS_SNIPER) && (p_ptr->tval_ammo == TV_BOLT)) i *= 2;
 979
 980         /* Good bow makes more critical */
 981         i += plus_bow * 8 * (p_ptr->concent ? p_ptr->concent + 5 : 5);
 982
 983         /* Critical hit */
 984         if (randint1(10000) <= i)
 985         {
 986                 k = weight * randint1(500);
 987
 988                 if (k < 900)
 989                 {
 990                         msg_print(_("手ごたえがあった！", "It was a good hit!"));
 991                         dam += (dam / 2);
 992                 }
 993                 else if (k < 1350)
 994                 {
 995                         msg_print(_("かなりの手ごたえがあった！", "It was a great hit!"));
 996                         dam *= 2;
 997                 }
 998                 else
 999                 {
1000                         msg_print(_("会心の一撃だ！", "It was a superb hit!"));
1001                         dam *= 3;
1002                 }
1003         }
1004
1005         return (dam);
1006 }
1007
1008
1009
1010
1011 /*!
1012  * @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
1013  * @param sval 射撃武器のアイテム副分類ID
1014  * @return 消費する基本エネルギー
1015  */
1016 ENERGY bow_energy(OBJECT_SUBTYPE_VALUE sval)
1017 {
1018         ENERGY energy = 10000;
1019
1020         /* Analyze the launcher */
1021         switch (sval)
1022         {
1023                 /* Sling and ammo */
1024         case SV_SLING:
1025         {
1026                 energy = 8000;
1027                 break;
1028         }
1029
1030         /* Short Bow and Arrow */
1031         case SV_SHORT_BOW:
1032         {
1033                 energy = 10000;
1034                 break;
1035         }
1036
1037         /* Long Bow and Arrow */
1038         case SV_LONG_BOW:
1039         {
1040                 energy = 10000;
1041                 break;
1042         }
1043
1044         /* Bow of irresponsiblity and Arrow */
1045         case SV_NAMAKE_BOW:
1046         {
1047                 energy = 7777;
1048                 break;
1049         }
1050
1051         /* Light Crossbow and Bolt */
1052         case SV_LIGHT_XBOW:
1053         {
1054                 energy = 12000;
1055                 break;
1056         }
1057
1058         /* Heavy Crossbow and Bolt */
1059         case SV_HEAVY_XBOW:
1060         {
1061                 energy = 13333;
1062                 break;
1063         }
1064         }
1065
1066         return (energy);
1067 }
1068
1069
1070 /*
1071  * Return bow tmul
1072  */
1073 int bow_tmul(OBJECT_SUBTYPE_VALUE sval)
1074 {
1075         int tmul = 0;
1076
1077         /* Analyze the launcher */
1078         switch (sval)
1079         {
1080                 /* Sling and ammo */
1081         case SV_SLING:
1082         {
1083                 tmul = 2;
1084                 break;
1085         }
1086
1087         /* Short Bow and Arrow */
1088         case SV_SHORT_BOW:
1089         {
1090                 tmul = 2;
1091                 break;
1092         }
1093
1094         /* Long Bow and Arrow */
1095         case SV_LONG_BOW:
1096         {
1097                 tmul = 3;
1098                 break;
1099         }
1100
1101         /* Bow of irresponsiblity and Arrow */
1102         case SV_NAMAKE_BOW:
1103         {
1104                 tmul = 3;
1105                 break;
1106         }
1107
1108         /* Light Crossbow and Bolt */
1109         case SV_LIGHT_XBOW:
1110         {
1111                 tmul = 3;
1112                 break;
1113         }
1114
1115         /* Heavy Crossbow and Bolt */
1116         case SV_HEAVY_XBOW:
1117         {
1118                 tmul = 4;
1119                 break;
1120         }
1121         }
1122
1123         return (tmul);
1124 }
1125
1126