git.pond.sub.org Git - empserver/blob - src/lib/commands/bomb.c

   1 /*
   2  *  Empire - A multi-player, client/server Internet based war game.
   3  *  Copyright (C) 1986-2008, Dave Pare, Jeff Bailey, Thomas Ruschak,
   4  *                           Ken Stevens, Steve McClure
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  *  ---
  21  *
  22  *  See files README, COPYING and CREDITS in the root of the source
  23  *  tree for related information and legal notices.  It is expected
  24  *  that future projects/authors will amend these files as needed.
  25  *
  26  *  ---
  27  *
  28  *  bomb.c: Fly bombing missions
  29  *
  30  *  Known contributors to this file:
  31  *     Dave Pare, 1986
  32  *     Ken Stevens, 1995
  33  *     Steve McClure, 1998-2000
  34  *     Markus Armbruster, 2004-2008
  35  */
  36
  37 #include <config.h>
  38
  39 #include <ctype.h>
  40 #include "commands.h"
  41 #include "damage.h"
  42 #include "item.h"
  43 #include "land.h"
  44 #include "news.h"
  45 #include "nuke.h"
  46 #include "optlist.h"
  47 #include "path.h"
  48 #include "plane.h"
  49 #include "retreat.h"
  50 #include "ship.h"
  51
  52 static void pin_bomb(struct emp_qelem *list, struct sctstr *target);
  53 static void strat_bomb(struct emp_qelem *list, struct sctstr *target);
  54 static void comm_bomb(struct emp_qelem *list, struct sctstr *target);
  55 static void eff_bomb(struct emp_qelem *list, struct sctstr *target);
  56 static int pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp,
  57                                natid from, int flak);
  58 static void plane_bomb(struct emp_qelem *list, struct sctstr *target);
  59 static void land_bomb(struct emp_qelem *list, struct sctstr *target);
  60 static void ship_bomb(struct emp_qelem *list, struct sctstr *target);
  61
  62 static i_type bombcomm[] = {
  63     I_CIVIL,
  64     I_MILIT,
  65     I_SHELL,
  66     I_GUN,
  67     I_PETROL,
  68     I_IRON,
  69     I_DUST,
  70     I_BAR,
  71     I_FOOD,
  72     I_OIL,
  73     I_LCM,
  74     I_HCM,
  75     I_UW,
  76     I_RAD
  77 };
  78 static int nbomb = sizeof(bombcomm) / sizeof(*bombcomm);
  79
  80 int
  81 bomb(void)
  82 {
  83     char *p;
  84     coord tx, ty;
  85     coord ax, ay;
  86     int ap_to_target;
  87     struct ichrstr *ip;
  88     char flightpath[MAX_PATH_LEN];
  89     struct nstr_item ni_bomb;
  90     struct nstr_item ni_esc;
  91     struct sctstr target;
  92     struct emp_qelem bomb_list;
  93     struct emp_qelem esc_list;
  94     int wantflags;
  95     struct sctstr ap_sect;
  96     char mission;
  97     int rel;
  98     struct natstr *natp;
  99     char buf[1024];
 100
 101     wantflags = 0;
 102     if (get_planes(&ni_bomb, &ni_esc, player->argp[1], player->argp[2]) < 0)
 103         return RET_SYN;
 104     p = getstarg(player->argp[3], "pinpoint, or strategic? ", buf);
 105     if (!p || !*p)
 106         return RET_SYN;
 107     mission = *p;
 108     if (strchr("ps", mission) == 0)
 109         return RET_SYN;
 110     if (!get_assembly_point(player->argp[4], &ap_sect, buf))
 111         return RET_SYN;
 112     ax = ap_sect.sct_x;
 113     ay = ap_sect.sct_y;
 114     if (getpath(flightpath, player->argp[5], ax, ay, 0, 0, P_FLYING) == 0
 115         || *flightpath == 0)
 116         return RET_SYN;
 117     tx = ax;
 118     ty = ay;
 119     (void)pathtoxy(flightpath, &tx, &ty, fcost);
 120     pr("target sector is %s\n", xyas(tx, ty, player->cnum));
 121     getsect(tx, ty, &target);
 122     ip = 0;
 123     ap_to_target = strlen(flightpath);
 124     if (flightpath[ap_to_target - 1] == 'h')
 125         ap_to_target--;
 126     pr("range to target is %d\n", ap_to_target);
 127     /*
 128      * select planes within range
 129      */
 130     pln_sel(&ni_bomb, &bomb_list, &ap_sect, ap_to_target,
 131             2, wantflags, P_M | P_O);
 132     pln_sel(&ni_esc, &esc_list, &ap_sect, ap_to_target,
 133             2, wantflags | P_F | P_ESC, P_M | P_O);
 134     /*
 135      * now arm and equip the bombers, transports, whatever.
 136      */
 137     pln_arm(&bomb_list, 2 * ap_to_target, mission, ip, 0);
 138     if (QEMPTY(&bomb_list)) {
 139         pr("No planes could be equipped for the mission.\n");
 140         return RET_FAIL;
 141     }
 142     pln_arm(&esc_list, 2 * ap_to_target, mission, ip, P_F | P_ESC);
 143     ac_encounter(&bomb_list, &esc_list, ax, ay, flightpath, 0);
 144     if (QEMPTY(&bomb_list)) {
 145         pr("No planes got through fighter defenses\n");
 146     } else if (target.sct_type == SCT_SANCT) {
 147         pr("You can't bomb that sector!\n");
 148     } else {
 149         switch (mission) {
 150         case 'p':
 151             pin_bomb(&bomb_list, &target);
 152             break;
 153         case 's':
 154             if (opt_SLOW_WAR) {
 155                 natp = getnatp(player->cnum);
 156                 if (target.sct_own) {
 157                     rel = getrel(natp, target.sct_own);
 158                     if ((rel != AT_WAR) && (player->cnum != target.sct_own)
 159                         && (target.sct_own) &&
 160                         (target.sct_oldown != player->cnum)) {
 161                         pr("You're not at war with them!\n");
 162                         pln_put(&bomb_list);
 163                         pln_put(&esc_list);
 164                         return RET_FAIL;
 165                     }
 166                 }
 167             }
 168             nreport(player->cnum, N_SCT_BOMB, target.sct_own, 1);
 169             strat_bomb(&bomb_list, &target);
 170             break;
 171         default:
 172             CANT_REACH();
 173         }
 174     }
 175     pln_put(&bomb_list);
 176     pln_put(&esc_list);
 177     return RET_OK;
 178 }
 179
 180 static void
 181 pin_bomb(struct emp_qelem *list, struct sctstr *target)
 182 {
 183     struct dchrstr *dcp;
 184     int nplanes;
 185     int nships;
 186     int type;
 187     int bad;
 188     char *p;
 189     struct plist *plp;
 190     int nsubs;
 191     int nunits;
 192     struct natstr *natp;
 193     int rel;
 194     char buf[1024];
 195     int i;
 196
 197     bad = 0;
 198     type = target->sct_type;
 199     dcp = &dchr[type];
 200     pr("Target sector is a %s constructed %s\n",
 201        effadv((int)target->sct_effic), dcp->d_name);
 202     nsubs = 0;
 203     plp = (struct plist *)list->q_forw;
 204     nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 205     if (plp->pcp->pl_flags & P_A) {
 206         nsubs = shipsatxy(target->sct_x, target->sct_y, M_SUB, 0, 1);
 207         if (nsubs > 0)
 208             pr("Some subs are present in the sector.\n");
 209     }
 210     nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
 211     nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 212   retry:
 213     p = getstring("Bomb what? (ship, plane, land unit, efficiency, commodities) ",
 214                   buf);
 215     if (!p)
 216        return;
 217     if (!*p) {
 218         bad++;
 219         if (bad > 2)
 220             return;
 221         goto retry;
 222     }
 223     switch (*p) {
 224     case 'l':
 225         if (opt_SLOW_WAR) {
 226             natp = getnatp(player->cnum);
 227             if (target->sct_own) {
 228                 rel = getrel(natp, target->sct_own);
 229                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 230                     && (target->sct_own) &&
 231                     (target->sct_oldown != player->cnum)) {
 232                     pr("You're not at war with them!\n");
 233                     goto retry;
 234                 }
 235             }
 236         }
 237         if (nunits == 0) {
 238             pr("no units there\n");
 239             goto retry;
 240         }
 241         land_bomb(list, target);
 242         break;
 243     case 'p':
 244         if (opt_SLOW_WAR) {
 245             natp = getnatp(player->cnum);
 246             if (target->sct_own) {
 247                 rel = getrel(natp, target->sct_own);
 248                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 249                     && (target->sct_own) &&
 250                     (target->sct_oldown != player->cnum)) {
 251                     pr("You're not at war with them!\n");
 252                     goto retry;
 253                 }
 254             }
 255         }
 256         if (nplanes == 0) {
 257             pr("no planes there\n");
 258             goto retry;
 259         }
 260         plane_bomb(list, target);
 261         break;
 262     case 's':
 263         if (nships == 0) {
 264             if (((struct plist *)list->q_forw)->pcp->pl_flags & P_A) {
 265                 if (nsubs == 0) {
 266                     pr("no ships there\n");
 267                     goto retry;
 268                 }
 269             } else {
 270                 pr("no ships there\n");
 271                 goto retry;
 272             }
 273         }
 274         ship_bomb(list, target);
 275         break;
 276     case 'c':
 277         if (opt_SLOW_WAR) {
 278             natp = getnatp(player->cnum);
 279             if (target->sct_own) {
 280                 rel = getrel(natp, target->sct_own);
 281                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 282                     && (target->sct_own) &&
 283                     (target->sct_oldown != player->cnum)) {
 284                     pr("You're not at war with them!\n");
 285                     goto retry;
 286                 }
 287             }
 288         }
 289
 290         for (i = 0; i < nbomb; i++) {
 291             if (!target->sct_item[bombcomm[i]])
 292                 continue;
 293             break;
 294         }
 295         if (i >= nbomb) {
 296             pr("No bombable commodities in %s\n",
 297                xyas(target->sct_x, target->sct_y, player->cnum));
 298             goto retry;
 299         }
 300         comm_bomb(list, target);
 301         break;
 302     case 'e':
 303         if (opt_SLOW_WAR) {
 304             natp = getnatp(player->cnum);
 305             if (target->sct_own) {
 306                 rel = getrel(natp, target->sct_own);
 307                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 308                     && (target->sct_own) &&
 309                     (target->sct_oldown != player->cnum)) {
 310                     pr("You're not at war with them!\n");
 311                     goto retry;
 312                 }
 313             }
 314         }
 315         eff_bomb(list, target);
 316         break;
 317     case 'q':
 318         pr("Aborting mission.\n");
 319         return;
 320     default:
 321         pr("Bad target type.\n");
 322         goto retry;
 323     }
 324 }
 325
 326 static void
 327 eff_bomb(struct emp_qelem *list, struct sctstr *target)
 328 {
 329     struct plist *plp;
 330     struct emp_qelem *qp;
 331     struct sctstr sect;
 332     int oldeff, dam = 0;
 333     int nukedam;
 334
 335     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 336         plp = (struct plist *)qp;
 337         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 338             continue;
 339         if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
 340             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 341                               'p', &nukedam, 1);
 342     }
 343     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 344         return;
 345     getsect(target->sct_x, target->sct_y, &sect);
 346     target = &sect;
 347     oldeff = target->sct_effic;
 348     target->sct_effic = effdamage(target->sct_effic, dam);
 349     target->sct_avail = effdamage(target->sct_avail, dam);
 350     target->sct_road = effdamage(target->sct_road, dam);
 351     target->sct_rail = effdamage(target->sct_rail, dam);
 352     target->sct_defense = effdamage(target->sct_defense, dam);
 353     pr("did %d%% damage to efficiency in %s\n",
 354        oldeff - target->sct_effic,
 355        xyas(target->sct_x, target->sct_y, player->cnum));
 356     if (target->sct_own)
 357         wu(0, target->sct_own,
 358            "%s bombing raid did %d%% damage in %s\n",
 359            cname(player->cnum), oldeff - target->sct_effic,
 360            xyas(target->sct_x, target->sct_y, target->sct_own));
 361     bridge_damaged(target);
 362     putsect(&sect);
 363     collateral_damage(target->sct_x, target->sct_y, dam);
 364 }
 365
 366 static void
 367 comm_bomb(struct emp_qelem *list, struct sctstr *target)
 368 {
 369     struct plist *plp;
 370     double b;
 371     int i;
 372     int amt, before;
 373     struct ichrstr *ip;
 374     struct emp_qelem *qp;
 375     struct sctstr sect;
 376     int dam = 0;
 377     int nukedam;
 378
 379     for (i = 0; i < nbomb; i++) {
 380         if (target->sct_item[bombcomm[i]] == 0)
 381             continue;
 382         if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 383             continue;
 384         ip = &ichr[bombcomm[i]];
 385         pr("some %s\n", ip->i_name);
 386     }
 387     for (;;) {
 388         ip = whatitem(NULL, "commodity to bomb? ");
 389         if (player->aborted)
 390             return;
 391         if (!ip)
 392             continue;
 393
 394         for (i = 0; i < nbomb; i++) {
 395             if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 396                 continue;
 397             if (&ichr[bombcomm[i]] == ip)
 398                 break;
 399         }
 400         if (i == nbomb) {
 401             pr("You can't bomb %s!\n", ip->i_name);
 402             for (i = 0; i < nbomb; i++) {
 403                 if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 404                     continue;
 405                 pr("%s%s", i == 0 ? "Bombable: " : ", ",
 406                    ichr[bombcomm[i]].i_name);
 407             }
 408             pr("\n");
 409         } else
 410             break;
 411     }
 412     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 413         plp = (struct plist *)qp;
 414         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 415             continue;
 416         if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
 417             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 418                               'p', &nukedam, 1);
 419     }
 420     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 421         return;
 422     getsect(target->sct_x, target->sct_y, &sect);
 423     target = &sect;
 424     before = target->sct_item[ip->i_uid];
 425     target->sct_item[ip->i_uid] = amt = commdamage(before, dam, ip->i_uid);
 426     if (before > 0.0)
 427         b = 100.0 * (1.0 - (double)amt / (double)before);
 428     else
 429         b = 0.0;
 430     pr("did %.2f%% damage to %s in %s\n",
 431        b, ip->i_name, xyas(target->sct_x, target->sct_y, player->cnum));
 432     nreport(player->cnum, N_SCT_BOMB, target->sct_own, 1);
 433     if (target->sct_own != 0)
 434         wu(0, target->sct_own,
 435            "%s precision bombing raid did %.2f%% damage to %s in %s\n",
 436            cname(player->cnum), b, ip->i_name,
 437            xyas(target->sct_x, target->sct_y, target->sct_own));
 438     putsect(&sect);
 439     collateral_damage(target->sct_x, target->sct_y, dam);
 440 }
 441
 442 static void
 443 ship_bomb(struct emp_qelem *list, struct sctstr *target)
 444 {
 445     struct plist *plp;
 446     struct mchrstr *mcp;
 447     int dam;
 448     char *q;
 449     int n;
 450     struct emp_qelem *qp;
 451     int shipno;
 452     struct shpstr ship;
 453     int nships = 0;
 454     struct shiplist *head = NULL;
 455     char buf[1024];
 456     char prompt[128];
 457     int hitchance;
 458     int nukedam;
 459     int flak;
 460     int gun;
 461     int shell;
 462
 463     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 464         free_shiplist(&head);
 465         plp = (struct plist *)qp;
 466         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 467             continue;
 468         if (plp->pcp->pl_flags & P_A)
 469             nships = asw_shipsatxy(target->sct_x, target->sct_y, 0, 0,
 470                                    &plp->plane, &head);
 471         else
 472             nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 473         if (nships == 0) {
 474             pr("%s could not find any ships!\n", prplane(&plp->plane));
 475             continue;
 476         }
 477         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 478                       prplane(&plp->plane), plp->bombs);
 479         shipno = -1;
 480         while (shipno < 0) {
 481             if ((q = getstring(prompt, buf)) == 0)
 482                 goto out;
 483             if (*q == 0)
 484                 continue;
 485             if (*q == '~')
 486                 break;
 487             if (*q == '?') {
 488                 if (plp->pcp->pl_flags & P_A)
 489                     print_shiplist(head);
 490                 else
 491                     shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 492                 continue;
 493             }
 494             n = atoi(q);
 495             if (n < 0)
 496                 continue;
 497             if ((!(plp->pcp->pl_flags & P_A) || on_shiplist(n, head)) &&
 498                 getship(n, &ship) && ship.shp_own &&
 499                 ship.shp_x == target->sct_x && ship.shp_y == target->sct_y)
 500                 shipno = n;
 501             else
 502                 pr("Ship #%d not spotted\n", n);
 503         }
 504         if (shipno < 0)
 505             continue;
 506         if ((plp->pcp->pl_flags & P_A) && !on_shiplist(shipno, head))
 507             continue;
 508
 509         shell = 0;
 510         gun = shp_usable_guns(&ship);
 511         if (gun > 0) {
 512             shell = ship.shp_item[I_SHELL];
 513             if (shell <= 0)
 514                 shell = supply_commod(ship.shp_own,
 515                                       ship.shp_x, ship.shp_y, I_SHELL, 1);
 516         }
 517         mcp = &mchr[(int)ship.shp_type];
 518         if (gun > 0 && shell > 0 && !(mcp->m_flags & M_SUB)) {
 519             flak = (int)(techfact(ship.shp_tech, gun) * 2.0);
 520             ship.shp_item[I_SHELL] = shell;
 521             putship(ship.shp_uid, &ship);
 522             PR(ship.shp_own, "Flak! Firing %d guns from ship %s\n",
 523                flak, prship(&ship));
 524             if (pinflak_planedamage(&plp->plane, plp->pcp, ship.shp_own, flak))
 525                 continue;
 526         }
 527
 528         dam = 0;
 529         if (nuk_on_plane(&plp->plane) >= 0)
 530             hitchance = 100;
 531         else {
 532             hitchance = pln_hitchance(&plp->plane,
 533                                       shp_hardtarget(&ship), EF_SHIP);
 534             pr("%d%% hitchance...", hitchance);
 535         }
 536         if (roll(100) <= hitchance) {
 537             /* pinbombing is more accurate than normal bombing */
 538             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 539                                  'p', &nukedam, 1);
 540         } else {
 541             pr("splash\n");
 542             /* Bombs that miss have to land somewhere! */
 543             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 544                              'p', &nukedam, 0);
 545             collateral_damage(target->sct_x, target->sct_y, dam);
 546             dam = 0;
 547         }
 548         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 549             continue;
 550         if (mcp->m_flags & M_SUB)
 551             nreport(player->cnum, N_SUB_BOMB, ship.shp_own, 1);
 552         else
 553             nreport(player->cnum, N_SHP_BOMB, ship.shp_own, 1);
 554         if (ship.shp_own) {
 555             wu(0, ship.shp_own, "%s bombs did %d damage to %s at %s\n",
 556                cname(player->cnum), dam,
 557                prship(&ship),
 558                xyas(target->sct_x, target->sct_y, ship.shp_own));
 559         }
 560         pr("\n");
 561         check_retreat_and_do_shipdamage(&ship, dam);
 562         if (ship.shp_rflags & RET_BOMBED)
 563             if (((ship.shp_rflags & RET_INJURED) == 0) || !dam)
 564                 retreat_ship(&ship, 'b');
 565         putship(ship.shp_uid, &ship);
 566         getship(ship.shp_uid, &ship);
 567         if (!ship.shp_own) {
 568             pr("%s at %s sunk!\n",
 569                prship(&ship),
 570                xyas(target->sct_x, target->sct_y, player->cnum));
 571         }
 572         collateral_damage(target->sct_x, target->sct_y, dam / 2);
 573     }
 574 out:
 575     free_shiplist(&head);
 576 }
 577
 578 static void
 579 plane_bomb(struct emp_qelem *list, struct sctstr *target)
 580 {
 581     int dam;
 582     char *q;
 583     int n;
 584     natid own;
 585     struct plnstr plane;
 586     struct emp_qelem *qp;
 587     int planeno;
 588     struct plist *plp;
 589     char prompt[128];
 590     char buf[1024];
 591     int hitchance;
 592     int nukedam;
 593     int nplanes;
 594
 595     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 596         plp = (struct plist *)qp;
 597         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 598             continue;
 599         nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
 600         if (nplanes == 0) {
 601             pr("%s could not find any planes!\n", prplane(&plp->plane));
 602             continue;
 603         }
 604         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 605                       prplane(&plp->plane), plp->bombs);
 606         planeno = -1;
 607         while (planeno < 0) {
 608             if ((q = getstring(prompt, buf)) == 0)
 609                 return;
 610             if (*q == 0)
 611                 continue;
 612             if (*q == '~')
 613                 break;
 614             if (*q == '?') {
 615                 planesatxy(target->sct_x, target->sct_y, 0, 0);
 616                 continue;
 617             }
 618             n = atoi(q);
 619             if (n < 0)
 620                 continue;
 621             if (getplane(n, &plane) &&
 622                 plane.pln_x == target->sct_x &&
 623                 plane.pln_y == target->sct_y &&
 624                 plane.pln_ship < 0 && plane.pln_land < 0 &&
 625                 !(plane.pln_flags & PLN_LAUNCHED))
 626                 planeno = n;
 627             else
 628                 pr("Plane #%d not spotted\n", n);
 629         }
 630         if (planeno < 0)
 631             continue;
 632         dam = 0;
 633         if (nuk_on_plane(&plp->plane) >= 0)
 634             hitchance = 100;
 635         else {
 636             hitchance = pln_hitchance(&plp->plane, 0, EF_PLANE);
 637             pr("%d%% hitchance...", hitchance);
 638         }
 639         if (roll(100) <= hitchance) {
 640             /* pinbombing is more accurate than normal bombing */
 641             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 642                                  'p', &nukedam, 1);
 643         } else {
 644             pr("thud\n");
 645             /* Bombs that miss have to land somewhere! */
 646             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 647                              'p', &nukedam, 0);
 648             collateral_damage(target->sct_x, target->sct_y, dam);
 649             dam = 0;
 650         }
 651         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 652             continue;
 653         if (dam > 100)
 654             dam = 100;
 655         own = plane.pln_own;
 656         if (dam > plane.pln_effic)
 657             plane.pln_effic = 0;
 658         else
 659             plane.pln_effic -= dam;
 660         plane.pln_mobil = (dam * plane.pln_mobil / 100.0);
 661         if (own == player->cnum) {
 662             pr("%s reports %d%% damage\n", prplane(&plane), dam);
 663         } else {
 664             if (own != 0)
 665                 wu(0, own,
 666                    "%s pinpoint bombing raid did %d%% damage to %s\n",
 667                    cname(player->cnum), dam, prplane(&plane));
 668         }
 669         nreport(player->cnum, N_DOWN_PLANE, own, 1);
 670         if (own != 0)
 671             wu(0, own, "%s bombs did %d%% damage to %s at %s\n",
 672                cname(player->cnum), dam, prplane(&plane),
 673                xyas(target->sct_x, target->sct_y, own));
 674         putplane(plane.pln_uid, &plane);
 675         collateral_damage(target->sct_x, target->sct_y, dam);
 676     }
 677 }
 678
 679 static void
 680 land_bomb(struct emp_qelem *list, struct sctstr *target)
 681 {
 682     int dam;
 683     char *q;
 684     int n;
 685     natid own;
 686     char prompt[128];
 687     char buf[1024];
 688     struct lndstr land;
 689     struct emp_qelem *qp;
 690     int unitno;
 691     int aaf, flak, hitchance;
 692     struct plist *plp;
 693     int nukedam;
 694     int nunits;
 695
 696     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 697         plp = (struct plist *)qp;
 698         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 699             continue;
 700         nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 701         if (nunits == 0) {
 702             pr("%s could not find any units!\n", prplane(&plp->plane));
 703             continue;
 704         }
 705         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 706                       prplane(&plp->plane), plp->bombs);
 707         unitno = -1;
 708         while (unitno < 0) {
 709             if ((q = getstring(prompt, buf)) == 0)
 710                 return;
 711             if (*q == 0)
 712                 continue;
 713             if (*q == '~')
 714                 break;
 715             if (*q == '?') {
 716                 unitsatxy(target->sct_x, target->sct_y, 0, 0);
 717                 continue;
 718             }
 719             n = atoi(q);
 720             if (n < 0)
 721                 continue;
 722             if (getland(n, &land) && land.lnd_own &&
 723                 land.lnd_ship < 0 && land.lnd_land < 0 &&
 724                 land.lnd_x == target->sct_x && land.lnd_y == target->sct_y)
 725                 unitno = n;
 726             else
 727                 pr("Unit #%d not spotted\n", n);
 728         }
 729         if (unitno < 0)
 730             continue;
 731
 732         aaf = lnd_aaf(&land);
 733         if (aaf) {
 734             flak = roundavg(techfact(land.lnd_tech,
 735                                      aaf * 3.0 * land.lnd_effic / 100.0));
 736             PR(land.lnd_own,
 737                "Flak! Firing flak guns from unit %s (aa rating %d)\n",
 738                prland(&land), aaf);
 739             if (pinflak_planedamage(&plp->plane, plp->pcp, land.lnd_own, flak))
 740                 continue;
 741         }
 742
 743         dam = 0;
 744         if (nuk_on_plane(&plp->plane) >= 0)
 745             hitchance = 100;
 746         else {
 747             hitchance = pln_hitchance(&plp->plane,
 748                                       lnd_hardtarget(&land), EF_LAND);
 749             pr("%d%% hitchance...", hitchance);
 750         }
 751         if (roll(100) <= hitchance) {
 752             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 753                                  'p', &nukedam, 1);
 754         } else {
 755             pr("thud\n");
 756             /* Bombs that miss have to land somewhere! */
 757             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 758                              'p', &nukedam, 0);
 759             collateral_damage(target->sct_x, target->sct_y, dam);
 760             dam = 0;
 761         }
 762         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 763             continue;
 764         if (dam > 100)
 765             dam = 100;
 766         own = land.lnd_own;
 767         mpr(own, "%s pinpoint bombing raid did %d damage to %s\n",
 768             cname(player->cnum), dam, prland(&land));
 769         check_retreat_and_do_landdamage(&land, dam);
 770
 771         if (land.lnd_rflags & RET_BOMBED)
 772             if (((land.lnd_rflags & RET_INJURED) == 0) || !dam)
 773                 retreat_land(&land, 'b');
 774         nreport(player->cnum, N_UNIT_BOMB, own, 1);
 775         putland(land.lnd_uid, &land);
 776         collateral_damage(target->sct_x, target->sct_y, dam);
 777     }
 778 }
 779
 780 static void
 781 strat_bomb(struct emp_qelem *list, struct sctstr *target)
 782 {
 783     struct plist *plp;
 784     int dam = 0;
 785     struct emp_qelem *qp;
 786     struct sctstr sect;
 787     int nukedam;
 788
 789     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 790         plp = (struct plist *)qp;
 791         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 792             continue;
 793         if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
 794             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 795                               's', &nukedam, 1);
 796     }
 797     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 798         return;
 799     getsect(target->sct_x, target->sct_y, &sect);
 800     target = &sect;
 801     if (target->sct_own)
 802         wu(0, target->sct_own, "%s bombing raid did %d damage in %s\n",
 803            cname(player->cnum), PERCENT_DAMAGE(dam),
 804            xyas(target->sct_x, target->sct_y, target->sct_own));
 805
 806     sectdamage(target, dam);
 807
 808     pr("did %d damage in %s\n", PERCENT_DAMAGE(dam),
 809        xyas(target->sct_x, target->sct_y, player->cnum));
 810     putsect(&sect);
 811 }
 812
 813 static int
 814 pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp, natid from,
 815                     int flak)
 816 {
 817     int disp;
 818     char dmess[255];
 819     int eff;
 820     natid plane_owner;
 821     int dam;
 822
 823     dam = ac_flak_dam(flak, pln_def(pp), pcp->pl_flags);
 824     disp = 0;
 825     plane_owner = pp->pln_own;
 826     eff = pp->pln_effic;
 827     if (dam <= 0)
 828         return 0;
 829     memset(dmess, 0, sizeof(dmess));
 830     eff -= dam;
 831     if (eff < 0)
 832         eff = 0;
 833     if (eff < PLANE_MINEFF) {
 834         sprintf(dmess, " -- shot down");
 835         disp = 1;
 836     } else if (chance((100 - eff) / 100.0)) {
 837         sprintf(dmess, " -- aborted with %d%% damage", 100 - eff);
 838         disp = 2;
 839     }
 840     PR(plane_owner, "    Flak! %s %s takes %d%s.\n",
 841        cname(pp->pln_own), prplane(pp), dam, dmess);
 842
 843     pp->pln_effic = eff;
 844     if (disp == 1) {
 845         if (from != 0)
 846             nreport(from, N_DOWN_PLANE, pp->pln_own, 1);
 847     }
 848     putplane(pp->pln_uid, pp);
 849
 850     if (disp > 0)
 851         return 1;
 852     return 0;
 853 }