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 "optlist.h"
  46 #include "path.h"
  47 #include "plane.h"
  48 #include "retreat.h"
  49 #include "ship.h"
  50
  51 static void pin_bomb(struct emp_qelem *list, struct sctstr *target);
  52 static void strat_bomb(struct emp_qelem *list, struct sctstr *target);
  53 static void comm_bomb(struct emp_qelem *list, struct sctstr *target);
  54 static void eff_bomb(struct emp_qelem *list, struct sctstr *target);
  55 static int pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp,
  56                                natid from, int flak);
  57 static void plane_bomb(struct emp_qelem *list, struct sctstr *target);
  58 static void land_bomb(struct emp_qelem *list, struct sctstr *target);
  59 static void ship_bomb(struct emp_qelem *list, struct sctstr *target);
  60
  61 static i_type bombcomm[] = {
  62     I_CIVIL,
  63     I_MILIT,
  64     I_SHELL,
  65     I_GUN,
  66     I_PETROL,
  67     I_IRON,
  68     I_DUST,
  69     I_BAR,
  70     I_FOOD,
  71     I_OIL,
  72     I_LCM,
  73     I_HCM,
  74     I_UW,
  75     I_RAD
  76 };
  77 static int nbomb = sizeof(bombcomm) / sizeof(*bombcomm);
  78
  79 int
  80 bomb(void)
  81 {
  82     char *p;
  83     int mission_flags;
  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     mission_flags = 0;
 131     pln_sel(&ni_bomb, &bomb_list, &ap_sect, ap_to_target,
 132             2, wantflags, P_M | P_O);
 133     pln_sel(&ni_esc, &esc_list, &ap_sect, ap_to_target,
 134             2, wantflags | P_F | P_ESC, P_M | P_O);
 135     /*
 136      * now arm and equip the bombers, transports, whatever.
 137      */
 138     mission_flags |= P_X;       /* stealth (shhh) */
 139     mission_flags |= P_H;       /* gets turned off if not all choppers */
 140     mission_flags = pln_arm(&bomb_list, 2 * ap_to_target, mission,
 141                             ip, 0, mission_flags);
 142     if (QEMPTY(&bomb_list)) {
 143         pr("No planes could be equipped for the mission.\n");
 144         return RET_FAIL;
 145     }
 146     mission_flags = pln_arm(&esc_list, 2 * ap_to_target, mission,
 147                             ip, P_F | P_ESC, mission_flags);
 148     ac_encounter(&bomb_list, &esc_list, ax, ay,
 149                  flightpath, mission_flags, 0);
 150     if (QEMPTY(&bomb_list)) {
 151         pr("No planes got through fighter defenses\n");
 152     } else if (target.sct_type == SCT_SANCT) {
 153         pr("You can't bomb that sector!\n");
 154     } else {
 155         switch (mission) {
 156         case 'p':
 157             pin_bomb(&bomb_list, &target);
 158             break;
 159         case 's':
 160             if (opt_SLOW_WAR) {
 161                 natp = getnatp(player->cnum);
 162                 if (target.sct_own) {
 163                     rel = getrel(natp, target.sct_own);
 164                     if ((rel != AT_WAR) && (player->cnum != target.sct_own)
 165                         && (target.sct_own) &&
 166                         (target.sct_oldown != player->cnum)) {
 167                         pr("You're not at war with them!\n");
 168                         pln_put(&bomb_list);
 169                         pln_put(&esc_list);
 170                         return RET_FAIL;
 171                     }
 172                 }
 173             }
 174             nreport(player->cnum, N_SCT_BOMB, target.sct_own, 1);
 175             strat_bomb(&bomb_list, &target);
 176             break;
 177         default:
 178             CANT_REACH();
 179         }
 180     }
 181     pln_put(&bomb_list);
 182     pln_put(&esc_list);
 183     return RET_OK;
 184 }
 185
 186 static void
 187 pin_bomb(struct emp_qelem *list, struct sctstr *target)
 188 {
 189     struct dchrstr *dcp;
 190     int nplanes;
 191     int nships;
 192     int type;
 193     int bad;
 194     char *p;
 195     struct plist *plp;
 196     int nsubs;
 197     int nunits;
 198     struct natstr *natp;
 199     int rel;
 200     char buf[1024];
 201     int i;
 202
 203     bad = 0;
 204     type = target->sct_type;
 205     dcp = &dchr[type];
 206     pr("Target sector is a %s constructed %s\n",
 207        effadv((int)target->sct_effic), dcp->d_name);
 208     nsubs = 0;
 209     plp = (struct plist *)list->q_forw;
 210     nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 211     if (plp->pcp->pl_flags & 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 (((struct plist *)list->q_forw)->pcp->pl_flags & 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;
 337     struct sctstr sect;
 338     int oldeff, dam = 0;
 339     int nukedam;
 340
 341     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 342         plp = (struct plist *)qp;
 343         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 344             continue;
 345         if (plp->bombs || plp->plane.pln_nuketype != -1)
 346             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 347                               'p', &nukedam, 1);
 348     }
 349     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 350         return;
 351     getsect(target->sct_x, target->sct_y, &sect);
 352     target = &sect;
 353     oldeff = target->sct_effic;
 354     target->sct_effic = effdamage(target->sct_effic, dam);
 355     target->sct_avail = effdamage(target->sct_avail, dam);
 356     target->sct_road = effdamage(target->sct_road, dam);
 357     target->sct_rail = effdamage(target->sct_rail, dam);
 358     target->sct_defense = effdamage(target->sct_defense, dam);
 359     pr("did %d%% damage to efficiency in %s\n",
 360        oldeff - target->sct_effic,
 361        xyas(target->sct_x, target->sct_y, player->cnum));
 362     if (target->sct_own)
 363         wu(0, target->sct_own,
 364            "%s bombing raid did %d%% damage in %s\n",
 365            cname(player->cnum), oldeff - target->sct_effic,
 366            xyas(target->sct_x, target->sct_y, target->sct_own));
 367     bridge_damaged(target);
 368     putsect(&sect);
 369     collateral_damage(target->sct_x, target->sct_y, dam);
 370 }
 371
 372 static void
 373 comm_bomb(struct emp_qelem *list, struct sctstr *target)
 374 {
 375     struct plist *plp;
 376     double b;
 377     int i;
 378     int amt, before;
 379     struct ichrstr *ip;
 380     struct emp_qelem *qp;
 381     struct sctstr sect;
 382     int dam = 0;
 383     int nukedam;
 384
 385     for (i = 0; i < nbomb; i++) {
 386         if (target->sct_item[bombcomm[i]] == 0)
 387             continue;
 388         if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 389             continue;
 390         ip = &ichr[bombcomm[i]];
 391         pr("some %s\n", ip->i_name);
 392     }
 393     for (;;) {
 394         ip = whatitem(NULL, "commodity to bomb? ");
 395         if (player->aborted)
 396             return;
 397         if (!ip)
 398             continue;
 399
 400         for (i = 0; i < nbomb; i++) {
 401             if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 402                 continue;
 403             if (&ichr[bombcomm[i]] == ip)
 404                 break;
 405         }
 406         if (i == nbomb) {
 407             pr("You can't bomb %s!\n", ip->i_name);
 408             for (i = 0; i < nbomb; i++) {
 409                 if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 410                     continue;
 411                 pr("%s%s", i == 0 ? "Bombable: " : ", ",
 412                    ichr[bombcomm[i]].i_name);
 413             }
 414             pr("\n");
 415         } else
 416             break;
 417     }
 418     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 419         plp = (struct plist *)qp;
 420         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 421             continue;
 422         if (plp->bombs || plp->plane.pln_nuketype != -1)
 423             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 424                               'p', &nukedam, 1);
 425     }
 426     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 427         return;
 428     getsect(target->sct_x, target->sct_y, &sect);
 429     target = &sect;
 430     before = target->sct_item[ip->i_uid];
 431     target->sct_item[ip->i_uid] = amt = commdamage(before, dam, ip->i_uid);
 432     if (before > 0.0)
 433         b = 100.0 * (1.0 - (double)amt / (double)before);
 434     else
 435         b = 0.0;
 436     pr("did %.2f%% damage to %s in %s\n",
 437        b, ip->i_name, xyas(target->sct_x, target->sct_y, player->cnum));
 438     nreport(player->cnum, N_SCT_BOMB, target->sct_own, 1);
 439     if (target->sct_own != 0)
 440         wu(0, target->sct_own,
 441            "%s precision bombing raid did %.2f%% damage to %s in %s\n",
 442            cname(player->cnum), b, ip->i_name,
 443            xyas(target->sct_x, target->sct_y, target->sct_own));
 444     putsect(&sect);
 445     collateral_damage(target->sct_x, target->sct_y, dam);
 446 }
 447
 448 static void
 449 ship_bomb(struct emp_qelem *list, struct sctstr *target)
 450 {
 451     struct plist *plp;
 452     struct mchrstr *mcp;
 453     int dam;
 454     char *q;
 455     int n;
 456     struct emp_qelem *qp;
 457     int shipno;
 458     struct shpstr ship;
 459     int nships = 0;
 460     struct shiplist *head = NULL;
 461     char buf[1024];
 462     char prompt[128];
 463     int hitchance;
 464     int nukedam;
 465     int flak;
 466     int gun;
 467     int shell;
 468
 469     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 470         free_shiplist(&head);
 471         plp = (struct plist *)qp;
 472         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 473             continue;
 474         if (plp->pcp->pl_flags & P_A)
 475             nships = asw_shipsatxy(target->sct_x, target->sct_y, 0, 0,
 476                                    &plp->plane, &head);
 477         else
 478             nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 479         if (nships == 0) {
 480             pr("%s could not find any ships!\n", prplane(&plp->plane));
 481             continue;
 482         }
 483         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 484                       prplane(&plp->plane), plp->bombs);
 485         shipno = -1;
 486         while (shipno < 0) {
 487             if ((q = getstring(prompt, buf)) == 0)
 488                 goto out;
 489             if (*q == 0)
 490                 continue;
 491             if (*q == '~')
 492                 break;
 493             if (*q == '?') {
 494                 if (plp->pcp->pl_flags & P_A)
 495                     print_shiplist(head);
 496                 else
 497                     shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 498                 continue;
 499             }
 500             if (!isdigit(*q))
 501                 continue;
 502             n = atoi(q);
 503             if (n < 0)
 504                 continue;
 505             if ((plp->pcp->pl_flags & P_A) && !on_shiplist(n, head))
 506                 continue;
 507             if (getship(n, &ship) && ship.shp_own &&
 508                 ship.shp_x == target->sct_x && ship.shp_y == target->sct_y)
 509                 shipno = n;
 510         }
 511         if (shipno < 0)
 512             continue;
 513         if ((plp->pcp->pl_flags & P_A) && !on_shiplist(shipno, head))
 514             continue;
 515
 516         shell = 0;
 517         gun = shp_usable_guns(&ship);
 518         if (gun > 0) {
 519             shell = ship.shp_item[I_SHELL];
 520             if (shell <= 0)
 521                 shell = supply_commod(ship.shp_own,
 522                                       ship.shp_x, ship.shp_y, I_SHELL, 1);
 523         }
 524         mcp = &mchr[(int)ship.shp_type];
 525         if (gun > 0 && shell > 0 && !(mcp->m_flags & M_SUB)) {
 526             flak = (int)(techfact(ship.shp_tech, gun) * 2.0);
 527             ship.shp_item[I_SHELL] = shell;
 528             putship(ship.shp_uid, &ship);
 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 (plp->plane.pln_nuketype != -1)
 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;
 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 = qp->q_forw) {
 603         plp = (struct plist *)qp;
 604         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 605             continue;
 606         nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
 607         if (nplanes == 0) {
 608             pr("%s could not find any planes!\n", prplane(&plp->plane));
 609             continue;
 610         }
 611         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 612                       prplane(&plp->plane), plp->bombs);
 613         planeno = -1;
 614         while (planeno < 0) {
 615             if ((q = getstring(prompt, buf)) == 0)
 616                 return;
 617             if (*q == 0)
 618                 continue;
 619             if (*q == '~')
 620                 break;
 621             if (*q == '?') {
 622                 planesatxy(target->sct_x, target->sct_y, 0, 0);
 623                 continue;
 624             }
 625             n = atoi(q);
 626             if (n < 0)
 627                 continue;
 628             if (getplane(n, &plane) &&
 629                 plane.pln_x == target->sct_x &&
 630                 plane.pln_y == target->sct_y &&
 631                 plane.pln_ship < 0 && plane.pln_land < 0 &&
 632                 !(plane.pln_flags & PLN_LAUNCHED))
 633                 planeno = n;
 634             else
 635                 pr("Plane #%d not spotted\n", n);
 636         }
 637         if (planeno < 0)
 638             continue;
 639         dam = 0;
 640         if (plp->plane.pln_nuketype != -1)
 641             hitchance = 100;
 642         else {
 643             hitchance = pln_hitchance(&plp->plane, 0, EF_PLANE);
 644             pr("%d%% hitchance...", hitchance);
 645         }
 646         if (roll(100) <= hitchance) {
 647             /* pinbombing is more accurate than normal bombing */
 648             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 649                                  'p', &nukedam, 1);
 650         } else {
 651             pr("thud\n");
 652             /* Bombs that miss have to land somewhere! */
 653             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 654                              'p', &nukedam, 0);
 655             collateral_damage(target->sct_x, target->sct_y, dam);
 656             dam = 0;
 657         }
 658         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 659             continue;
 660         if (dam > 100)
 661             dam = 100;
 662         own = plane.pln_own;
 663         if (dam > plane.pln_effic)
 664             plane.pln_effic = 0;
 665         else
 666             plane.pln_effic -= dam;
 667         plane.pln_mobil = (dam * plane.pln_mobil / 100.0);
 668         if (own == player->cnum) {
 669             pr("%s reports %d%% damage\n", prplane(&plane), dam);
 670         } else {
 671             if (own != 0)
 672                 wu(0, own,
 673                    "%s pinpoint bombing raid did %d%% damage to %s\n",
 674                    cname(player->cnum), dam, prplane(&plane));
 675         }
 676         nreport(player->cnum, N_DOWN_PLANE, own, 1);
 677         if (own != 0)
 678             wu(0, own, "%s bombs did %d%% damage to %s at %s\n",
 679                cname(player->cnum), dam, prplane(&plane),
 680                xyas(target->sct_x, target->sct_y, own));
 681         putplane(plane.pln_uid, &plane);
 682         collateral_damage(target->sct_x, target->sct_y, dam);
 683     }
 684 }
 685
 686 static void
 687 land_bomb(struct emp_qelem *list, struct sctstr *target)
 688 {
 689     int dam;
 690     char *q;
 691     int n;
 692     natid own;
 693     char prompt[128];
 694     char buf[1024];
 695     struct lndstr land;
 696     struct emp_qelem *qp;
 697     int unitno;
 698     int aaf, flak, hitchance;
 699     struct plist *plp;
 700     int nukedam;
 701     int nunits;
 702
 703     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 704         plp = (struct plist *)qp;
 705         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 706             continue;
 707         nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 708         if (nunits == 0) {
 709             pr("%s could not find any units!\n", prplane(&plp->plane));
 710             continue;
 711         }
 712         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 713                       prplane(&plp->plane), plp->bombs);
 714         unitno = -1;
 715         while (unitno < 0) {
 716             if ((q = getstring(prompt, buf)) == 0)
 717                 return;
 718             if (*q == 0)
 719                 continue;
 720             if (*q == '~')
 721                 break;
 722             if (*q == '?') {
 723                 unitsatxy(target->sct_x, target->sct_y, 0, 0);
 724                 continue;
 725             }
 726             n = atoi(q);
 727             if (n < 0)
 728                 continue;
 729             if (getland(n, &land) && land.lnd_own &&
 730                 land.lnd_ship < 0 && land.lnd_land < 0 &&
 731                 land.lnd_x == target->sct_x && land.lnd_y == target->sct_y)
 732                 unitno = n;
 733             else
 734                 pr("Unit #%d not spotted\n", n);
 735         }
 736         if (unitno < 0)
 737             continue;
 738
 739         aaf = lnd_aaf(&land);
 740         if (aaf) {
 741             flak = roundavg(techfact(land.lnd_tech,
 742                                      aaf * 3.0 * land.lnd_effic / 100.0));
 743             PR(land.lnd_own,
 744                "Flak! Firing flak guns from unit %s (aa rating %d)\n",
 745                prland(&land), aaf);
 746             if (pinflak_planedamage(&plp->plane, plp->pcp, land.lnd_own, flak))
 747                 continue;
 748         }
 749
 750         dam = 0;
 751         if (plp->plane.pln_nuketype != -1)
 752             hitchance = 100;
 753         else {
 754             hitchance = pln_hitchance(&plp->plane,
 755                                       lnd_hardtarget(&land), EF_LAND);
 756             pr("%d%% hitchance...", hitchance);
 757         }
 758         if (roll(100) <= hitchance) {
 759             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 760                                  'p', &nukedam, 1);
 761         } else {
 762             pr("thud\n");
 763             /* Bombs that miss have to land somewhere! */
 764             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 765                              'p', &nukedam, 0);
 766             collateral_damage(target->sct_x, target->sct_y, dam);
 767             dam = 0;
 768         }
 769         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 770             continue;
 771         if (dam > 100)
 772             dam = 100;
 773         own = land.lnd_own;
 774         mpr(own, "%s pinpoint bombing raid did %d damage to %s\n",
 775             cname(player->cnum), dam, prland(&land));
 776         check_retreat_and_do_landdamage(&land, dam);
 777
 778         if (land.lnd_rflags & RET_BOMBED)
 779             if (((land.lnd_rflags & RET_INJURED) == 0) || !dam)
 780                 retreat_land(&land, 'b');
 781         nreport(player->cnum, N_UNIT_BOMB, own, 1);
 782         putland(land.lnd_uid, &land);
 783         collateral_damage(target->sct_x, target->sct_y, dam);
 784     }
 785 }
 786
 787 static void
 788 strat_bomb(struct emp_qelem *list, struct sctstr *target)
 789 {
 790     struct plist *plp;
 791     int dam = 0;
 792     struct emp_qelem *qp;
 793     struct sctstr sect;
 794     int nukedam;
 795
 796     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 797         plp = (struct plist *)qp;
 798         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 799             continue;
 800         if (plp->bombs || plp->plane.pln_nuketype != -1)
 801             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 802                               's', &nukedam, 1);
 803     }
 804     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 805         return;
 806     getsect(target->sct_x, target->sct_y, &sect);
 807     target = &sect;
 808     if (target->sct_own)
 809         wu(0, target->sct_own, "%s bombing raid did %d damage in %s\n",
 810            cname(player->cnum), PERCENT_DAMAGE(dam),
 811            xyas(target->sct_x, target->sct_y, target->sct_own));
 812
 813     sectdamage(target, dam);
 814
 815     pr("did %d damage in %s\n", PERCENT_DAMAGE(dam),
 816        xyas(target->sct_x, target->sct_y, player->cnum));
 817     putsect(&sect);
 818 }
 819
 820 static int
 821 pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp, natid from,
 822                     int flak)
 823 {
 824     int disp;
 825     char dmess[255];
 826     int eff;
 827     natid plane_owner;
 828     int dam;
 829
 830     dam = ac_flak_dam(flak, pln_def(pp), pcp->pl_flags);
 831     disp = 0;
 832     plane_owner = pp->pln_own;
 833     eff = pp->pln_effic;
 834     if (dam <= 0)
 835         return 0;
 836     memset(dmess, 0, sizeof(dmess));
 837     eff -= dam;
 838     if (eff < 0)
 839         eff = 0;
 840     if (eff < PLANE_MINEFF) {
 841         sprintf(dmess, " -- shot down");
 842         disp = 1;
 843     } else if (chance((100 - eff) / 100.0)) {
 844         sprintf(dmess, " -- aborted with %d%% damage", 100 - eff);
 845         disp = 2;
 846     }
 847     PR(plane_owner, "    Flak! %s %s takes %d%s.\n",
 848        cname(pp->pln_own), prplane(pp), dam, dmess);
 849
 850     pp->pln_effic = eff;
 851     if (disp == 1) {
 852         if (from != 0)
 853             nreport(from, N_DOWN_PLANE, pp->pln_own, 1);
 854     }
 855     putplane(pp->pln_uid, pp);
 856
 857     if (disp > 0)
 858         return 1;
 859     return 0;
 860 }