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) 1986-2009, 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, 2004-2009
  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 *, struct sctstr *);
  53 static void eff_bomb(struct emp_qelem *, struct sctstr *);
  54 static void comm_bomb(struct emp_qelem *, struct sctstr *);
  55 static void ship_bomb(struct emp_qelem *, struct sctstr *);
  56 static void plane_bomb(struct emp_qelem *, struct sctstr *);
  57 static void land_bomb(struct emp_qelem *, struct sctstr *);
  58 static void strat_bomb(struct emp_qelem *, struct sctstr *);
  59 static int changed_plane_aborts(struct plist *);
  60 static int pinflak_planedamage(struct plnstr *, struct plchrstr *,
  61                                natid, int);
  62
  63 static i_type bombcomm[] = {
  64     I_CIVIL,
  65     I_MILIT,
  66     I_SHELL,
  67     I_GUN,
  68     I_PETROL,
  69     I_IRON,
  70     I_DUST,
  71     I_BAR,
  72     I_FOOD,
  73     I_OIL,
  74     I_LCM,
  75     I_HCM,
  76     I_UW,
  77     I_RAD
  78 };
  79 static int nbomb = sizeof(bombcomm) / sizeof(*bombcomm);
  80
  81 int
  82 bomb(void)
  83 {
  84     char *p;
  85     coord tx, ty;
  86     coord ax, ay;
  87     int ap_to_target;
  88     struct ichrstr *ip;
  89     char flightpath[MAX_PATH_LEN];
  90     struct nstr_item ni_bomb;
  91     struct nstr_item ni_esc;
  92     struct sctstr target;
  93     struct emp_qelem bomb_list;
  94     struct emp_qelem esc_list;
  95     int wantflags;
  96     struct sctstr ap_sect;
  97     char mission;
  98     struct plist *plp;
  99     struct emp_qelem *qp, *next;
 100     int rel;
 101     struct natstr *natp;
 102     char buf[1024];
 103
 104     wantflags = 0;
 105     if (get_planes(&ni_bomb, &ni_esc, player->argp[1], player->argp[2]) < 0)
 106         return RET_SYN;
 107     p = getstarg(player->argp[3], "pinpoint, or strategic? ", buf);
 108     if (!p || !*p)
 109         return RET_SYN;
 110     mission = *p;
 111     if (strchr("ps", mission) == 0)
 112         return RET_SYN;
 113     if (!get_assembly_point(player->argp[4], &ap_sect, buf))
 114         return RET_SYN;
 115     ax = ap_sect.sct_x;
 116     ay = ap_sect.sct_y;
 117     if (getpath(flightpath, player->argp[5], ax, ay, 0, 0, P_FLYING) == 0
 118         || *flightpath == 0)
 119         return RET_SYN;
 120     tx = ax;
 121     ty = ay;
 122     (void)pathtoxy(flightpath, &tx, &ty, fcost);
 123     pr("target sector is %s\n", xyas(tx, ty, player->cnum));
 124     getsect(tx, ty, &target);
 125     ip = 0;
 126     ap_to_target = strlen(flightpath);
 127     if (flightpath[ap_to_target - 1] == 'h')
 128         ap_to_target--;
 129     pr("range to target is %d\n", ap_to_target);
 130     /*
 131      * select planes within range
 132      */
 133     pln_sel(&ni_bomb, &bomb_list, &ap_sect, ap_to_target,
 134             2, wantflags, P_M | P_O);
 135     pln_sel(&ni_esc, &esc_list, &ap_sect, ap_to_target,
 136             2, wantflags | P_F | P_ESC, P_M | P_O);
 137     /*
 138      * now arm and equip the bombers, transports, whatever.
 139      */
 140     pln_arm(&bomb_list, 2 * ap_to_target, mission, ip, 0);
 141     if (QEMPTY(&bomb_list)) {
 142         pr("No planes could be equipped for the mission.\n");
 143         return RET_FAIL;
 144     }
 145     pln_arm(&esc_list, 2 * ap_to_target, mission, ip, P_F | P_ESC);
 146     ac_encounter(&bomb_list, &esc_list, ax, ay, flightpath, 0);
 147     if (QEMPTY(&bomb_list)) {
 148         pr("No planes got through fighter defenses\n");
 149     } else if (target.sct_type == SCT_SANCT) {
 150         pr("You can't bomb that sector!\n");
 151     } else {
 152         switch (mission) {
 153         case 'p':
 154             pin_bomb(&bomb_list, &target);
 155             for (qp = bomb_list.q_forw; qp != &bomb_list; qp = next) {
 156                 next = qp->q_forw;
 157                 plp = (struct plist *)qp;
 158                 changed_plane_aborts(plp);
 159             }
 160             break;
 161         case 's':
 162             if (opt_SLOW_WAR) {
 163                 natp = getnatp(player->cnum);
 164                 if (target.sct_own) {
 165                     rel = getrel(natp, target.sct_own);
 166                     if ((rel != AT_WAR) && (player->cnum != target.sct_own)
 167                         && (target.sct_own) &&
 168                         (target.sct_oldown != player->cnum)) {
 169                         pr("You're not at war with them!\n");
 170                         pln_put(&bomb_list);
 171                         pln_put(&esc_list);
 172                         return RET_FAIL;
 173                     }
 174                 }
 175             }
 176             nreport(player->cnum, N_SCT_BOMB, target.sct_own, 1);
 177             strat_bomb(&bomb_list, &target);
 178             break;
 179         default:
 180             CANT_REACH();
 181         }
 182     }
 183     pln_put(&bomb_list);
 184     pln_put(&esc_list);
 185     return RET_OK;
 186 }
 187
 188 static void
 189 pin_bomb(struct emp_qelem *list, struct sctstr *target)
 190 {
 191     struct dchrstr *dcp;
 192     int nplanes;
 193     int nships;
 194     int type;
 195     int bad;
 196     char *p;
 197     int nsubs;
 198     int nunits;
 199     struct natstr *natp;
 200     int rel;
 201     char buf[1024];
 202     int i;
 203
 204     bad = 0;
 205     type = target->sct_type;
 206     dcp = &dchr[type];
 207     pr("Target sector is a %s constructed %s\n",
 208        effadv((int)target->sct_effic), dcp->d_name);
 209     nsubs = 0;
 210     nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 211     if (pln_caps(list) & P_A) {
 212         nsubs = shipsatxy(target->sct_x, target->sct_y, M_SUB, 0, 1);
 213         if (nsubs > 0)
 214             pr("Some subs are present in the sector.\n");
 215     }
 216     nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
 217     nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 218   retry:
 219     p = getstring("Bomb what? (ship, plane, land unit, efficiency, commodities) ",
 220                   buf);
 221     if (!p)
 222        return;
 223     if (!*p) {
 224         bad++;
 225         if (bad > 2)
 226             return;
 227         goto retry;
 228     }
 229     switch (*p) {
 230     case 'l':
 231         if (opt_SLOW_WAR) {
 232             natp = getnatp(player->cnum);
 233             if (target->sct_own) {
 234                 rel = getrel(natp, target->sct_own);
 235                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 236                     && (target->sct_own) &&
 237                     (target->sct_oldown != player->cnum)) {
 238                     pr("You're not at war with them!\n");
 239                     goto retry;
 240                 }
 241             }
 242         }
 243         if (nunits == 0) {
 244             pr("no units there\n");
 245             goto retry;
 246         }
 247         land_bomb(list, target);
 248         break;
 249     case 'p':
 250         if (opt_SLOW_WAR) {
 251             natp = getnatp(player->cnum);
 252             if (target->sct_own) {
 253                 rel = getrel(natp, target->sct_own);
 254                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 255                     && (target->sct_own) &&
 256                     (target->sct_oldown != player->cnum)) {
 257                     pr("You're not at war with them!\n");
 258                     goto retry;
 259                 }
 260             }
 261         }
 262         if (nplanes == 0) {
 263             pr("no planes there\n");
 264             goto retry;
 265         }
 266         plane_bomb(list, target);
 267         break;
 268     case 's':
 269         if (nships == 0) {
 270             if (pln_caps(list) & P_A) {
 271                 if (nsubs == 0) {
 272                     pr("no ships there\n");
 273                     goto retry;
 274                 }
 275             } else {
 276                 pr("no ships there\n");
 277                 goto retry;
 278             }
 279         }
 280         ship_bomb(list, target);
 281         break;
 282     case 'c':
 283         if (opt_SLOW_WAR) {
 284             natp = getnatp(player->cnum);
 285             if (target->sct_own) {
 286                 rel = getrel(natp, target->sct_own);
 287                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 288                     && (target->sct_own) &&
 289                     (target->sct_oldown != player->cnum)) {
 290                     pr("You're not at war with them!\n");
 291                     goto retry;
 292                 }
 293             }
 294         }
 295
 296         for (i = 0; i < nbomb; i++) {
 297             if (!target->sct_item[bombcomm[i]])
 298                 continue;
 299             break;
 300         }
 301         if (i >= nbomb) {
 302             pr("No bombable commodities in %s\n",
 303                xyas(target->sct_x, target->sct_y, player->cnum));
 304             goto retry;
 305         }
 306         comm_bomb(list, target);
 307         break;
 308     case 'e':
 309         if (opt_SLOW_WAR) {
 310             natp = getnatp(player->cnum);
 311             if (target->sct_own) {
 312                 rel = getrel(natp, target->sct_own);
 313                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 314                     && (target->sct_own) &&
 315                     (target->sct_oldown != player->cnum)) {
 316                     pr("You're not at war with them!\n");
 317                     goto retry;
 318                 }
 319             }
 320         }
 321         eff_bomb(list, target);
 322         break;
 323     case 'q':
 324         pr("Aborting mission.\n");
 325         return;
 326     default:
 327         pr("Bad target type.\n");
 328         goto retry;
 329     }
 330 }
 331
 332 static void
 333 eff_bomb(struct emp_qelem *list, struct sctstr *target)
 334 {
 335     struct plist *plp;
 336     struct emp_qelem *qp, *next;
 337     struct sctstr sect;
 338     int oldeff, dam = 0;
 339     int nukedam;
 340
 341     for (qp = list->q_forw; qp != list; qp = next) {
 342         next = qp->q_forw;
 343         plp = (struct plist *)qp;
 344         if (changed_plane_aborts(plp))
 345             continue;
 346         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 347             continue;
 348         if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
 349             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 350                               'p', &nukedam, 1);
 351     }
 352     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 353         return;
 354     getsect(target->sct_x, target->sct_y, &sect);
 355     target = &sect;
 356     oldeff = target->sct_effic;
 357     target->sct_effic = effdamage(target->sct_effic, dam);
 358     target->sct_avail = effdamage(target->sct_avail, dam);
 359     target->sct_road = effdamage(target->sct_road, dam);
 360     target->sct_rail = effdamage(target->sct_rail, dam);
 361     target->sct_defense = effdamage(target->sct_defense, dam);
 362     pr("did %d%% damage to efficiency in %s\n",
 363        oldeff - target->sct_effic,
 364        xyas(target->sct_x, target->sct_y, player->cnum));
 365     if (target->sct_own)
 366         wu(0, target->sct_own,
 367            "%s bombing raid did %d%% damage in %s\n",
 368            cname(player->cnum), oldeff - target->sct_effic,
 369            xyas(target->sct_x, target->sct_y, target->sct_own));
 370     bridge_damaged(target);
 371     putsect(&sect);
 372     collateral_damage(target->sct_x, target->sct_y, dam);
 373 }
 374
 375 static void
 376 comm_bomb(struct emp_qelem *list, struct sctstr *target)
 377 {
 378     struct plist *plp;
 379     double b;
 380     int i;
 381     int amt, before;
 382     struct ichrstr *ip;
 383     struct emp_qelem *qp, *next;
 384     struct sctstr sect;
 385     int dam = 0;
 386     int nukedam;
 387
 388     for (i = 0; i < nbomb; i++) {
 389         if (target->sct_item[bombcomm[i]] == 0)
 390             continue;
 391         if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 392             continue;
 393         ip = &ichr[bombcomm[i]];
 394         pr("some %s\n", ip->i_name);
 395     }
 396     for (;;) {
 397         ip = whatitem(NULL, "commodity to bomb? ");
 398         if (player->aborted)
 399             return;
 400         if (!ip)
 401             continue;
 402
 403         for (i = 0; i < nbomb; i++) {
 404             if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 405                 continue;
 406             if (&ichr[bombcomm[i]] == ip)
 407                 break;
 408         }
 409         if (i == nbomb) {
 410             pr("You can't bomb %s!\n", ip->i_name);
 411             for (i = 0; i < nbomb; i++) {
 412                 if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 413                     continue;
 414                 pr("%s%s", i == 0 ? "Bombable: " : ", ",
 415                    ichr[bombcomm[i]].i_name);
 416             }
 417             pr("\n");
 418         } else
 419             break;
 420     }
 421     for (qp = list->q_forw; qp != list; qp = next) {
 422         next = qp->q_forw;
 423         plp = (struct plist *)qp;
 424         if (changed_plane_aborts(plp))
 425             continue;
 426         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 427             continue;
 428         if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
 429             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 430                               'p', &nukedam, 1);
 431     }
 432     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 433         return;
 434     getsect(target->sct_x, target->sct_y, &sect);
 435     target = &sect;
 436     before = target->sct_item[ip->i_uid];
 437     target->sct_item[ip->i_uid] = amt = commdamage(before, dam, ip->i_uid);
 438     if (before > 0.0)
 439         b = 100.0 * (1.0 - (double)amt / (double)before);
 440     else
 441         b = 0.0;
 442     pr("did %.2f%% damage to %s in %s\n",
 443        b, ip->i_name, xyas(target->sct_x, target->sct_y, player->cnum));
 444     nreport(player->cnum, N_SCT_BOMB, target->sct_own, 1);
 445     if (target->sct_own != 0)
 446         wu(0, target->sct_own,
 447            "%s precision bombing raid did %.2f%% damage to %s in %s\n",
 448            cname(player->cnum), b, ip->i_name,
 449            xyas(target->sct_x, target->sct_y, target->sct_own));
 450     putsect(&sect);
 451     collateral_damage(target->sct_x, target->sct_y, dam);
 452 }
 453
 454 static void
 455 ship_bomb(struct emp_qelem *list, struct sctstr *target)
 456 {
 457     struct plist *plp;
 458     struct mchrstr *mcp;
 459     int dam;
 460     char *q;
 461     int n;
 462     struct emp_qelem *qp, *next;
 463     int shipno;
 464     struct shpstr ship;
 465     int nships = 0;
 466     struct shiplist *head = NULL;
 467     char buf[1024];
 468     char prompt[128];
 469     int hitchance;
 470     int nukedam;
 471     int flak;
 472     int gun;
 473
 474     for (qp = list->q_forw; qp != list; qp = next) {
 475         next = qp->q_forw;
 476         free_shiplist(&head);
 477         plp = (struct plist *)qp;
 478         if (changed_plane_aborts(plp))
 479             continue;
 480         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 481             continue;
 482         if (plp->pcp->pl_flags & P_A)
 483             nships = asw_shipsatxy(target->sct_x, target->sct_y, 0, 0,
 484                                    &plp->plane, &head);
 485         else
 486             nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 487         if (nships == 0) {
 488             pr("%s could not find any ships!\n", prplane(&plp->plane));
 489             continue;
 490         }
 491         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 492                       prplane(&plp->plane), plp->bombs);
 493         shipno = -1;
 494         while (shipno < 0) {
 495             if ((q = getstring(prompt, buf)) == 0)
 496                 goto out;
 497             if (*q == 0)
 498                 continue;
 499             if (*q == '~')
 500                 break;
 501             if (*q == '?') {
 502                 if (plp->pcp->pl_flags & P_A)
 503                     print_shiplist(head);
 504                 else
 505                     shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 506                 continue;
 507             }
 508             n = atoi(q);
 509             if (n < 0)
 510                 continue;
 511             if ((!(plp->pcp->pl_flags & P_A) || on_shiplist(n, head)) &&
 512                 getship(n, &ship) && ship.shp_own &&
 513                 ship.shp_x == target->sct_x && ship.shp_y == target->sct_y)
 514                 shipno = n;
 515             else
 516                 pr("Ship #%d not spotted\n", n);
 517         }
 518         if (shipno < 0)
 519             continue;
 520         if ((plp->pcp->pl_flags & P_A) && !on_shiplist(shipno, head))
 521             continue;
 522         if (changed_plane_aborts(plp))
 523             continue;
 524
 525         gun = shp_usable_guns(&ship);
 526         mcp = &mchr[(int)ship.shp_type];
 527         if (gun > 0 && !(mcp->m_flags & M_SUB)) {
 528             flak = (int)(techfact(ship.shp_tech, gun) * 2.0);
 529             PR(ship.shp_own, "Flak! Firing %d guns from ship %s\n",
 530                flak, prship(&ship));
 531             if (pinflak_planedamage(&plp->plane, plp->pcp, ship.shp_own, flak))
 532                 continue;
 533         }
 534
 535         dam = 0;
 536         if (nuk_on_plane(&plp->plane) >= 0)
 537             hitchance = 100;
 538         else {
 539             hitchance = pln_hitchance(&plp->plane,
 540                                       shp_hardtarget(&ship), EF_SHIP);
 541             pr("%d%% hitchance...", hitchance);
 542         }
 543         if (roll(100) <= hitchance) {
 544             /* pinbombing is more accurate than normal bombing */
 545             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 546                                  'p', &nukedam, 1);
 547         } else {
 548             pr("splash\n");
 549             /* Bombs that miss have to land somewhere! */
 550             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 551                              'p', &nukedam, 0);
 552             collateral_damage(target->sct_x, target->sct_y, dam);
 553             dam = 0;
 554         }
 555         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 556             continue;
 557         if (mcp->m_flags & M_SUB)
 558             nreport(player->cnum, N_SUB_BOMB, ship.shp_own, 1);
 559         else
 560             nreport(player->cnum, N_SHP_BOMB, ship.shp_own, 1);
 561         if (ship.shp_own) {
 562             wu(0, ship.shp_own, "%s bombs did %d damage to %s at %s\n",
 563                cname(player->cnum), dam,
 564                prship(&ship),
 565                xyas(target->sct_x, target->sct_y, ship.shp_own));
 566         }
 567         pr("\n");
 568         check_retreat_and_do_shipdamage(&ship, dam);
 569         if (ship.shp_rflags & RET_BOMBED)
 570             if (((ship.shp_rflags & RET_INJURED) == 0) || !dam)
 571                 retreat_ship(&ship, 'b');
 572         putship(ship.shp_uid, &ship);
 573         getship(ship.shp_uid, &ship);
 574         if (!ship.shp_own) {
 575             pr("%s at %s sunk!\n",
 576                prship(&ship),
 577                xyas(target->sct_x, target->sct_y, player->cnum));
 578         }
 579         collateral_damage(target->sct_x, target->sct_y, dam / 2);
 580     }
 581 out:
 582     free_shiplist(&head);
 583 }
 584
 585 static void
 586 plane_bomb(struct emp_qelem *list, struct sctstr *target)
 587 {
 588     int dam;
 589     char *q;
 590     int n;
 591     natid own;
 592     struct plnstr plane;
 593     struct emp_qelem *qp, *next;
 594     int planeno;
 595     struct plist *plp;
 596     char prompt[128];
 597     char buf[1024];
 598     int hitchance;
 599     int nukedam;
 600     int nplanes;
 601
 602     for (qp = list->q_forw; qp != list; qp = next) {
 603         next = qp->q_forw;
 604         plp = (struct plist *)qp;
 605         if (changed_plane_aborts(plp))
 606             continue;
 607         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 608             continue;
 609         nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
 610         if (nplanes == 0) {
 611             pr("%s could not find any planes!\n", prplane(&plp->plane));
 612             continue;
 613         }
 614         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 615                       prplane(&plp->plane), plp->bombs);
 616         planeno = -1;
 617         while (planeno < 0) {
 618             if ((q = getstring(prompt, buf)) == 0)
 619                 return;
 620             if (*q == 0)
 621                 continue;
 622             if (*q == '~')
 623                 break;
 624             if (*q == '?') {
 625                 planesatxy(target->sct_x, target->sct_y, 0, 0);
 626                 continue;
 627             }
 628             n = atoi(q);
 629             if (n < 0)
 630                 continue;
 631             if (getplane(n, &plane) &&
 632                 plane.pln_x == target->sct_x &&
 633                 plane.pln_y == target->sct_y &&
 634                 plane.pln_ship < 0 && plane.pln_land < 0 &&
 635                 !(plane.pln_flags & PLN_LAUNCHED))
 636                 planeno = n;
 637             else
 638                 pr("Plane #%d not spotted\n", n);
 639         }
 640         if (planeno < 0)
 641             continue;
 642         if (changed_plane_aborts(plp))
 643             continue;
 644         dam = 0;
 645         if (nuk_on_plane(&plp->plane) >= 0)
 646             hitchance = 100;
 647         else {
 648             hitchance = pln_hitchance(&plp->plane, 0, EF_PLANE);
 649             pr("%d%% hitchance...", hitchance);
 650         }
 651         if (roll(100) <= hitchance) {
 652             /* pinbombing is more accurate than normal bombing */
 653             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 654                                  'p', &nukedam, 1);
 655         } else {
 656             pr("thud\n");
 657             /* Bombs that miss have to land somewhere! */
 658             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 659                              'p', &nukedam, 0);
 660             collateral_damage(target->sct_x, target->sct_y, dam);
 661             dam = 0;
 662         }
 663         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 664             continue;
 665         if (dam > 100)
 666             dam = 100;
 667         own = plane.pln_own;
 668         if (dam > plane.pln_effic)
 669             plane.pln_effic = 0;
 670         else
 671             plane.pln_effic -= dam;
 672         plane.pln_mobil = (dam * plane.pln_mobil / 100.0);
 673         if (own == player->cnum) {
 674             pr("%s reports %d%% damage\n", prplane(&plane), dam);
 675         } else {
 676             if (own != 0)
 677                 wu(0, own,
 678                    "%s pinpoint bombing raid did %d%% damage to %s\n",
 679                    cname(player->cnum), dam, prplane(&plane));
 680         }
 681         nreport(player->cnum, N_DOWN_PLANE, own, 1);
 682         if (own != 0)
 683             wu(0, own, "%s bombs did %d%% damage to %s at %s\n",
 684                cname(player->cnum), dam, prplane(&plane),
 685                xyas(target->sct_x, target->sct_y, own));
 686         putplane(plane.pln_uid, &plane);
 687         collateral_damage(target->sct_x, target->sct_y, dam);
 688     }
 689 }
 690
 691 static void
 692 land_bomb(struct emp_qelem *list, struct sctstr *target)
 693 {
 694     int dam;
 695     char *q;
 696     int n;
 697     natid own;
 698     char prompt[128];
 699     char buf[1024];
 700     struct lndstr land;
 701     struct emp_qelem *qp, *next;
 702     int unitno;
 703     int aaf, flak, hitchance;
 704     struct plist *plp;
 705     int nukedam;
 706     int nunits;
 707
 708     for (qp = list->q_forw; qp != list; qp = next) {
 709         next = qp->q_forw;
 710         plp = (struct plist *)qp;
 711         if (changed_plane_aborts(plp))
 712             continue;
 713         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 714             continue;
 715         nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 716         if (nunits == 0) {
 717             pr("%s could not find any units!\n", prplane(&plp->plane));
 718             continue;
 719         }
 720         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 721                       prplane(&plp->plane), plp->bombs);
 722         unitno = -1;
 723         while (unitno < 0) {
 724             if ((q = getstring(prompt, buf)) == 0)
 725                 return;
 726             if (*q == 0)
 727                 continue;
 728             if (*q == '~')
 729                 break;
 730             if (*q == '?') {
 731                 unitsatxy(target->sct_x, target->sct_y, 0, 0);
 732                 continue;
 733             }
 734             n = atoi(q);
 735             if (n < 0)
 736                 continue;
 737             if (getland(n, &land) && land.lnd_own &&
 738                 land.lnd_ship < 0 && land.lnd_land < 0 &&
 739                 land.lnd_x == target->sct_x && land.lnd_y == target->sct_y)
 740                 unitno = n;
 741             else
 742                 pr("Unit #%d not spotted\n", n);
 743         }
 744         if (unitno < 0)
 745             continue;
 746         if (changed_plane_aborts(plp))
 747             continue;
 748
 749         aaf = lnd_aaf(&land);
 750         if (aaf) {
 751             flak = roundavg(techfact(land.lnd_tech,
 752                                      aaf * 3.0 * land.lnd_effic / 100.0));
 753             PR(land.lnd_own,
 754                "Flak! Firing flak guns from unit %s (aa rating %d)\n",
 755                prland(&land), aaf);
 756             if (pinflak_planedamage(&plp->plane, plp->pcp, land.lnd_own, flak))
 757                 continue;
 758         }
 759
 760         dam = 0;
 761         if (nuk_on_plane(&plp->plane) >= 0)
 762             hitchance = 100;
 763         else {
 764             hitchance = pln_hitchance(&plp->plane,
 765                                       lnd_hardtarget(&land), EF_LAND);
 766             pr("%d%% hitchance...", hitchance);
 767         }
 768         if (roll(100) <= hitchance) {
 769             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 770                                  'p', &nukedam, 1);
 771         } else {
 772             pr("thud\n");
 773             /* Bombs that miss have to land somewhere! */
 774             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 775                              'p', &nukedam, 0);
 776             collateral_damage(target->sct_x, target->sct_y, dam);
 777             dam = 0;
 778         }
 779         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 780             continue;
 781         if (dam > 100)
 782             dam = 100;
 783         own = land.lnd_own;
 784         mpr(own, "%s pinpoint bombing raid did %d damage to %s\n",
 785             cname(player->cnum), dam, prland(&land));
 786         check_retreat_and_do_landdamage(&land, dam);
 787
 788         if (land.lnd_rflags & RET_BOMBED)
 789             if (((land.lnd_rflags & RET_INJURED) == 0) || !dam)
 790                 retreat_land(&land, 'b');
 791         nreport(player->cnum, N_UNIT_BOMB, own, 1);
 792         putland(land.lnd_uid, &land);
 793         collateral_damage(target->sct_x, target->sct_y, dam);
 794     }
 795 }
 796
 797 static void
 798 strat_bomb(struct emp_qelem *list, struct sctstr *target)
 799 {
 800     struct plist *plp;
 801     int dam = 0;
 802     struct emp_qelem *qp;
 803     struct sctstr sect;
 804     int nukedam;
 805
 806     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 807         plp = (struct plist *)qp;
 808         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 809             continue;
 810         if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
 811             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 812                               's', &nukedam, 1);
 813     }
 814     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 815         return;
 816     getsect(target->sct_x, target->sct_y, &sect);
 817     target = &sect;
 818     if (target->sct_own)
 819         wu(0, target->sct_own, "%s bombing raid did %d damage in %s\n",
 820            cname(player->cnum), PERCENT_DAMAGE(dam),
 821            xyas(target->sct_x, target->sct_y, target->sct_own));
 822
 823     sectdamage(target, dam);
 824
 825     pr("did %d damage in %s\n", PERCENT_DAMAGE(dam),
 826        xyas(target->sct_x, target->sct_y, player->cnum));
 827     putsect(&sect);
 828 }
 829
 830 static int
 831 changed_plane_aborts(struct plist *plp)
 832 {
 833     if (check_plane_ok(&plp->plane))
 834         return 0;
 835     getplane(plp->plane.pln_uid, &plp->plane);
 836     pln_put1(plp);
 837     return 1;
 838 }
 839
 840 static int
 841 pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp, natid from,
 842                     int flak)
 843 {
 844     int disp;
 845     char dmess[255];
 846     int eff;
 847     natid plane_owner;
 848     int dam;
 849
 850     dam = ac_flak_dam(flak, pln_def(pp), pcp->pl_flags);
 851     disp = 0;
 852     plane_owner = pp->pln_own;
 853     eff = pp->pln_effic;
 854     if (dam <= 0)
 855         return 0;
 856     memset(dmess, 0, sizeof(dmess));
 857     eff -= dam;
 858     if (eff < 0)
 859         eff = 0;
 860     if (eff < PLANE_MINEFF) {
 861         sprintf(dmess, " -- shot down");
 862         disp = 1;
 863     } else if (chance((100 - eff) / 100.0)) {
 864         sprintf(dmess, " -- aborted with %d%% damage", 100 - eff);
 865         disp = 2;
 866     }
 867     PR(plane_owner, "    Flak! %s %s takes %d%s.\n",
 868        cname(pp->pln_own), prplane(pp), dam, dmess);
 869
 870     pp->pln_effic = eff;
 871     if (disp == 1) {
 872         if (from != 0)
 873             nreport(from, N_DOWN_PLANE, pp->pln_own, 1);
 874     }
 875     putplane(pp->pln_uid, pp);
 876
 877     if (disp > 0)
 878         return 1;
 879     return 0;
 880 }