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     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     struct plist *plp;
  98     struct emp_qelem *qp, *next;
  99     int rel;
 100     struct natstr *natp;
 101     char buf[1024];
 102
 103     wantflags = 0;
 104     if (get_planes(&ni_bomb, &ni_esc, player->argp[1], player->argp[2]) < 0)
 105         return RET_SYN;
 106     p = getstarg(player->argp[3], "pinpoint, or strategic? ", buf);
 107     if (!p || !*p)
 108         return RET_SYN;
 109     mission = *p;
 110     if (!strchr("ps", mission))
 111         return RET_SYN;
 112     if (!get_assembly_point(player->argp[4], &ap_sect, buf))
 113         return RET_SYN;
 114     ax = ap_sect.sct_x;
 115     ay = ap_sect.sct_y;
 116     if (!getpath(flightpath, player->argp[5], ax, ay, 0, 0, P_FLYING)
 117         || *flightpath == 0)
 118         return RET_SYN;
 119     tx = ax;
 120     ty = ay;
 121     (void)pathtoxy(flightpath, &tx, &ty, fcost);
 122     pr("target sector is %s\n", xyas(tx, ty, player->cnum));
 123     getsect(tx, ty, &target);
 124     ap_to_target = strlen(flightpath);
 125     if (flightpath[ap_to_target - 1] == 'h')
 126         ap_to_target--;
 127     pr("range to target is %d\n", ap_to_target);
 128     /*
 129      * select planes within range
 130      */
 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     pln_arm(&bomb_list, 2 * ap_to_target, mission, NULL);
 139     if (QEMPTY(&bomb_list)) {
 140         pr("No planes could be equipped for the mission.\n");
 141         return RET_FAIL;
 142     }
 143     pln_arm(&esc_list, 2 * ap_to_target, 'e', NULL);
 144     ac_encounter(&bomb_list, &esc_list, ax, ay, flightpath, 0);
 145     if (QEMPTY(&bomb_list)) {
 146         pr("No planes got through fighter defenses\n");
 147     } else if (target.sct_type == SCT_SANCT) {
 148         pr("You can't bomb that sector!\n");
 149     } else {
 150         switch (mission) {
 151         case 'p':
 152             pin_bomb(&bomb_list, &target);
 153             for (qp = bomb_list.q_forw; qp != &bomb_list; qp = next) {
 154                 next = qp->q_forw;
 155                 plp = (struct plist *)qp;
 156                 changed_plane_aborts(plp);
 157             }
 158             for (qp = esc_list.q_forw; qp != &esc_list; qp = next) {
 159                 next = qp->q_forw;
 160                 plp = (struct plist *)qp;
 161                 changed_plane_aborts(plp);
 162             }
 163             break;
 164         case 's':
 165             if (opt_SLOW_WAR) {
 166                 natp = getnatp(player->cnum);
 167                 if (target.sct_own) {
 168                     rel = getrel(natp, target.sct_own);
 169                     if ((rel != AT_WAR) && (player->cnum != target.sct_own)
 170                         && (target.sct_own) &&
 171                         (target.sct_oldown != player->cnum)) {
 172                         pr("You're not at war with them!\n");
 173                         pln_put(&bomb_list);
 174                         pln_put(&esc_list);
 175                         return RET_FAIL;
 176                     }
 177                 }
 178             }
 179             nreport(player->cnum, N_SCT_BOMB, target.sct_own, 1);
 180             strat_bomb(&bomb_list, &target);
 181             break;
 182         default:
 183             CANT_REACH();
 184         }
 185     }
 186     pln_put(&bomb_list);
 187     pln_put(&esc_list);
 188     return RET_OK;
 189 }
 190
 191 static void
 192 pin_bomb(struct emp_qelem *list, struct sctstr *target)
 193 {
 194     struct dchrstr *dcp;
 195     int nplanes;
 196     int nships;
 197     int type;
 198     int bad;
 199     char *p;
 200     int nsubs;
 201     int nunits;
 202     struct natstr *natp;
 203     int rel;
 204     char buf[1024];
 205     int i;
 206
 207     bad = 0;
 208     type = target->sct_type;
 209     dcp = &dchr[type];
 210     pr("Target sector is a %s constructed %s\n",
 211        effadv((int)target->sct_effic), dcp->d_name);
 212     nsubs = 0;
 213     nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 214     if (pln_caps(list) & P_A) {
 215         nsubs = shipsatxy(target->sct_x, target->sct_y, M_SUB, 0, 1);
 216         if (nsubs > 0)
 217             pr("Some subs are present in the sector.\n");
 218     }
 219     nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
 220     nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 221   retry:
 222     p = getstring("Bomb what? (ship, plane, land unit, efficiency, commodities) ",
 223                   buf);
 224     if (!p)
 225        return;
 226     if (!*p) {
 227         bad++;
 228         if (bad > 2)
 229             return;
 230         goto retry;
 231     }
 232     switch (*p) {
 233     case 'l':
 234         if (opt_SLOW_WAR) {
 235             natp = getnatp(player->cnum);
 236             if (target->sct_own) {
 237                 rel = getrel(natp, target->sct_own);
 238                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 239                     && (target->sct_own) &&
 240                     (target->sct_oldown != player->cnum)) {
 241                     pr("You're not at war with them!\n");
 242                     goto retry;
 243                 }
 244             }
 245         }
 246         if (nunits == 0) {
 247             pr("no units there\n");
 248             goto retry;
 249         }
 250         land_bomb(list, target);
 251         break;
 252     case 'p':
 253         if (opt_SLOW_WAR) {
 254             natp = getnatp(player->cnum);
 255             if (target->sct_own) {
 256                 rel = getrel(natp, target->sct_own);
 257                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 258                     && (target->sct_own) &&
 259                     (target->sct_oldown != player->cnum)) {
 260                     pr("You're not at war with them!\n");
 261                     goto retry;
 262                 }
 263             }
 264         }
 265         if (nplanes == 0) {
 266             pr("no planes there\n");
 267             goto retry;
 268         }
 269         plane_bomb(list, target);
 270         break;
 271     case 's':
 272         if (nships == 0) {
 273             if (pln_caps(list) & P_A) {
 274                 if (nsubs == 0) {
 275                     pr("no ships there\n");
 276                     goto retry;
 277                 }
 278             } else {
 279                 pr("no ships there\n");
 280                 goto retry;
 281             }
 282         }
 283         ship_bomb(list, target);
 284         break;
 285     case 'c':
 286         if (opt_SLOW_WAR) {
 287             natp = getnatp(player->cnum);
 288             if (target->sct_own) {
 289                 rel = getrel(natp, target->sct_own);
 290                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 291                     && (target->sct_own) &&
 292                     (target->sct_oldown != player->cnum)) {
 293                     pr("You're not at war with them!\n");
 294                     goto retry;
 295                 }
 296             }
 297         }
 298
 299         for (i = 0; i < nbomb; i++) {
 300             if (!target->sct_item[bombcomm[i]])
 301                 continue;
 302             break;
 303         }
 304         if (i >= nbomb) {
 305             pr("No bombable commodities in %s\n",
 306                xyas(target->sct_x, target->sct_y, player->cnum));
 307             goto retry;
 308         }
 309         comm_bomb(list, target);
 310         break;
 311     case 'e':
 312         if (opt_SLOW_WAR) {
 313             natp = getnatp(player->cnum);
 314             if (target->sct_own) {
 315                 rel = getrel(natp, target->sct_own);
 316                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 317                     && (target->sct_own) &&
 318                     (target->sct_oldown != player->cnum)) {
 319                     pr("You're not at war with them!\n");
 320                     goto retry;
 321                 }
 322             }
 323         }
 324         eff_bomb(list, target);
 325         break;
 326     case 'q':
 327         pr("Aborting mission.\n");
 328         return;
 329     default:
 330         pr("Bad target type.\n");
 331         goto retry;
 332     }
 333 }
 334
 335 static void
 336 eff_bomb(struct emp_qelem *list, struct sctstr *target)
 337 {
 338     struct plist *plp;
 339     struct emp_qelem *qp, *next;
 340     struct sctstr sect;
 341     int oldeff, dam = 0;
 342     int nukedam;
 343
 344     for (qp = list->q_forw; qp != list; qp = next) {
 345         next = qp->q_forw;
 346         plp = (struct plist *)qp;
 347         if (changed_plane_aborts(plp))
 348             continue;
 349         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 350             continue;
 351         if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
 352             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 353                               'p', &nukedam, 1);
 354     }
 355     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 356         return;
 357     getsect(target->sct_x, target->sct_y, &sect);
 358     target = &sect;
 359     oldeff = target->sct_effic;
 360     target->sct_effic = effdamage(target->sct_effic, dam);
 361     target->sct_avail = effdamage(target->sct_avail, dam);
 362     target->sct_road = effdamage(target->sct_road, dam);
 363     target->sct_rail = effdamage(target->sct_rail, dam);
 364     target->sct_defense = effdamage(target->sct_defense, dam);
 365     pr("did %d%% damage to efficiency in %s\n",
 366        oldeff - target->sct_effic,
 367        xyas(target->sct_x, target->sct_y, player->cnum));
 368     if (target->sct_own)
 369         wu(0, target->sct_own,
 370            "%s bombing raid did %d%% damage in %s\n",
 371            cname(player->cnum), oldeff - target->sct_effic,
 372            xyas(target->sct_x, target->sct_y, target->sct_own));
 373     bridge_damaged(target);
 374     putsect(&sect);
 375     collateral_damage(target->sct_x, target->sct_y, dam);
 376 }
 377
 378 static void
 379 comm_bomb(struct emp_qelem *list, struct sctstr *target)
 380 {
 381     struct plist *plp;
 382     double b;
 383     int i;
 384     int amt, before;
 385     struct ichrstr *ip;
 386     struct emp_qelem *qp, *next;
 387     struct sctstr sect;
 388     int dam = 0;
 389     int nukedam;
 390
 391     for (i = 0; i < nbomb; i++) {
 392         if (target->sct_item[bombcomm[i]] == 0)
 393             continue;
 394         if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 395             continue;
 396         ip = &ichr[bombcomm[i]];
 397         pr("some %s\n", ip->i_name);
 398     }
 399     for (;;) {
 400         ip = whatitem(NULL, "commodity to bomb? ");
 401         if (player->aborted)
 402             return;
 403         if (!ip)
 404             continue;
 405
 406         for (i = 0; i < nbomb; i++) {
 407             if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 408                 continue;
 409             if (&ichr[bombcomm[i]] == ip)
 410                 break;
 411         }
 412         if (i == nbomb) {
 413             pr("You can't bomb %s!\n", ip->i_name);
 414             for (i = 0; i < nbomb; i++) {
 415                 if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 416                     continue;
 417                 pr("%s%s", i == 0 ? "Bombable: " : ", ",
 418                    ichr[bombcomm[i]].i_name);
 419             }
 420             pr("\n");
 421         } else
 422             break;
 423     }
 424     for (qp = list->q_forw; qp != list; qp = next) {
 425         next = qp->q_forw;
 426         plp = (struct plist *)qp;
 427         if (changed_plane_aborts(plp))
 428             continue;
 429         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 430             continue;
 431         if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
 432             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 433                               'p', &nukedam, 1);
 434     }
 435     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 436         return;
 437     getsect(target->sct_x, target->sct_y, &sect);
 438     target = &sect;
 439     before = target->sct_item[ip->i_uid];
 440     target->sct_item[ip->i_uid] = amt = commdamage(before, dam, ip->i_uid);
 441     if (before > 0.0)
 442         b = 100.0 * (1.0 - (double)amt / (double)before);
 443     else
 444         b = 0.0;
 445     pr("did %.2f%% damage to %s in %s\n",
 446        b, ip->i_name, xyas(target->sct_x, target->sct_y, player->cnum));
 447     nreport(player->cnum, N_SCT_BOMB, target->sct_own, 1);
 448     if (target->sct_own != 0)
 449         wu(0, target->sct_own,
 450            "%s precision bombing raid did %.2f%% damage to %s in %s\n",
 451            cname(player->cnum), b, ip->i_name,
 452            xyas(target->sct_x, target->sct_y, target->sct_own));
 453     putsect(&sect);
 454     collateral_damage(target->sct_x, target->sct_y, dam);
 455 }
 456
 457 static void
 458 ship_bomb(struct emp_qelem *list, struct sctstr *target)
 459 {
 460     struct plist *plp;
 461     struct mchrstr *mcp;
 462     int dam;
 463     char *q;
 464     int n;
 465     struct emp_qelem *qp, *next;
 466     int shipno;
 467     struct shpstr ship;
 468     int nships = 0;
 469     struct shiplist *head = NULL;
 470     char buf[1024];
 471     char prompt[128];
 472     int hitchance;
 473     int nukedam;
 474     int flak;
 475     int gun;
 476
 477     for (qp = list->q_forw; qp != list; qp = next) {
 478         next = qp->q_forw;
 479         free_shiplist(&head);
 480         plp = (struct plist *)qp;
 481         if (changed_plane_aborts(plp))
 482             continue;
 483         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 484             continue;
 485         if (plp->pcp->pl_flags & P_A)
 486             nships = asw_shipsatxy(target->sct_x, target->sct_y, 0, 0,
 487                                    &plp->plane, &head);
 488         else
 489             nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 490         if (nships == 0) {
 491             pr("%s could not find any ships!\n", prplane(&plp->plane));
 492             continue;
 493         }
 494         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 495                       prplane(&plp->plane), plp->bombs);
 496         shipno = -1;
 497         while (shipno < 0) {
 498             if (!(q = getstring(prompt, buf)))
 499                 goto out;
 500             if (*q == 0)
 501                 continue;
 502             if (*q == '~')
 503                 break;
 504             if (*q == '?') {
 505                 if (plp->pcp->pl_flags & P_A)
 506                     print_shiplist(head);
 507                 else
 508                     shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 509                 continue;
 510             }
 511             n = atoi(q);
 512             if (n < 0)
 513                 continue;
 514             if ((!(plp->pcp->pl_flags & P_A) || on_shiplist(n, head)) &&
 515                 getship(n, &ship) && ship.shp_own &&
 516                 ship.shp_x == target->sct_x && ship.shp_y == target->sct_y)
 517                 shipno = n;
 518             else
 519                 pr("Ship #%d not spotted\n", n);
 520         }
 521         if (shipno < 0)
 522             continue;
 523         if ((plp->pcp->pl_flags & P_A) && !on_shiplist(shipno, head))
 524             continue;
 525         if (changed_plane_aborts(plp))
 526             continue;
 527
 528         gun = shp_usable_guns(&ship);
 529         mcp = &mchr[(int)ship.shp_type];
 530         if (gun > 0 && !(mcp->m_flags & M_SUB)) {
 531             flak = (int)(techfact(ship.shp_tech, gun) * 2.0);
 532             PR(ship.shp_own, "Flak! Firing %d guns from ship %s\n",
 533                flak, prship(&ship));
 534             if (pinflak_planedamage(&plp->plane, plp->pcp, ship.shp_own, flak))
 535                 continue;
 536         }
 537
 538         dam = 0;
 539         if (nuk_on_plane(&plp->plane) >= 0)
 540             hitchance = 100;
 541         else {
 542             hitchance = pln_hitchance(&plp->plane,
 543                                       shp_hardtarget(&ship), EF_SHIP);
 544             pr("%d%% hitchance...", hitchance);
 545         }
 546         if (roll(100) <= hitchance) {
 547             /* pinbombing is more accurate than normal bombing */
 548             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 549                                  'p', &nukedam, 1);
 550         } else {
 551             pr("splash\n");
 552             /* Bombs that miss have to land somewhere! */
 553             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 554                              'p', &nukedam, 0);
 555             collateral_damage(target->sct_x, target->sct_y, dam);
 556             dam = 0;
 557         }
 558         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 559             continue;
 560         if (mcp->m_flags & M_SUB)
 561             nreport(player->cnum, N_SUB_BOMB, ship.shp_own, 1);
 562         else
 563             nreport(player->cnum, N_SHP_BOMB, ship.shp_own, 1);
 564         if (ship.shp_own) {
 565             wu(0, ship.shp_own, "%s bombs did %d damage to %s at %s\n",
 566                cname(player->cnum), dam,
 567                prship(&ship),
 568                xyas(target->sct_x, target->sct_y, ship.shp_own));
 569         }
 570         pr("\n");
 571         check_retreat_and_do_shipdamage(&ship, dam);
 572         if (ship.shp_rflags & RET_BOMBED)
 573             if (((ship.shp_rflags & RET_INJURED) == 0) || !dam)
 574                 retreat_ship(&ship, 'b');
 575         putship(ship.shp_uid, &ship);
 576         getship(ship.shp_uid, &ship);
 577         if (!ship.shp_own) {
 578             pr("%s at %s sunk!\n",
 579                prship(&ship),
 580                xyas(target->sct_x, target->sct_y, player->cnum));
 581         }
 582         collateral_damage(target->sct_x, target->sct_y, dam / 2);
 583     }
 584 out:
 585     free_shiplist(&head);
 586 }
 587
 588 static void
 589 plane_bomb(struct emp_qelem *list, struct sctstr *target)
 590 {
 591     int dam;
 592     char *q;
 593     int n;
 594     natid own;
 595     struct plnstr plane;
 596     struct emp_qelem *qp, *next;
 597     int planeno;
 598     struct plist *plp;
 599     char prompt[128];
 600     char buf[1024];
 601     int hitchance;
 602     int nukedam;
 603     int nplanes;
 604
 605     for (qp = list->q_forw; qp != list; qp = next) {
 606         next = qp->q_forw;
 607         plp = (struct plist *)qp;
 608         if (changed_plane_aborts(plp))
 609             continue;
 610         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 611             continue;
 612         nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
 613         if (nplanes == 0) {
 614             pr("%s could not find any planes!\n", prplane(&plp->plane));
 615             continue;
 616         }
 617         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 618                       prplane(&plp->plane), plp->bombs);
 619         planeno = -1;
 620         while (planeno < 0) {
 621             if (!(q = getstring(prompt, buf)))
 622                 return;
 623             if (*q == 0)
 624                 continue;
 625             if (*q == '~')
 626                 break;
 627             if (*q == '?') {
 628                 planesatxy(target->sct_x, target->sct_y, 0, 0);
 629                 continue;
 630             }
 631             n = atoi(q);
 632             if (n < 0)
 633                 continue;
 634             if (getplane(n, &plane) &&
 635                 plane.pln_x == target->sct_x &&
 636                 plane.pln_y == target->sct_y &&
 637                 plane.pln_ship < 0 && plane.pln_land < 0 &&
 638                 !(plane.pln_flags & PLN_LAUNCHED))
 639                 planeno = n;
 640             else
 641                 pr("Plane #%d not spotted\n", n);
 642         }
 643         if (planeno < 0)
 644             continue;
 645         if (changed_plane_aborts(plp))
 646             continue;
 647         dam = 0;
 648         if (nuk_on_plane(&plp->plane) >= 0)
 649             hitchance = 100;
 650         else {
 651             hitchance = pln_hitchance(&plp->plane, 0, EF_PLANE);
 652             pr("%d%% hitchance...", hitchance);
 653         }
 654         if (roll(100) <= hitchance) {
 655             /* pinbombing is more accurate than normal bombing */
 656             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 657                                  'p', &nukedam, 1);
 658         } else {
 659             pr("thud\n");
 660             /* Bombs that miss have to land somewhere! */
 661             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 662                              'p', &nukedam, 0);
 663             collateral_damage(target->sct_x, target->sct_y, dam);
 664             dam = 0;
 665         }
 666         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 667             continue;
 668         if (dam > 100)
 669             dam = 100;
 670         own = plane.pln_own;
 671         if (dam > plane.pln_effic)
 672             plane.pln_effic = 0;
 673         else
 674             plane.pln_effic -= dam;
 675         plane.pln_mobil = (dam * plane.pln_mobil / 100.0);
 676         if (own == player->cnum) {
 677             pr("%s reports %d%% damage\n", prplane(&plane), dam);
 678         } else {
 679             if (own != 0)
 680                 wu(0, own,
 681                    "%s pinpoint bombing raid did %d%% damage to %s\n",
 682                    cname(player->cnum), dam, prplane(&plane));
 683         }
 684         nreport(player->cnum, N_DOWN_PLANE, own, 1);
 685         if (own != 0)
 686             wu(0, own, "%s bombs did %d%% damage to %s at %s\n",
 687                cname(player->cnum), dam, prplane(&plane),
 688                xyas(target->sct_x, target->sct_y, own));
 689         putplane(plane.pln_uid, &plane);
 690         collateral_damage(target->sct_x, target->sct_y, dam);
 691     }
 692 }
 693
 694 static void
 695 land_bomb(struct emp_qelem *list, struct sctstr *target)
 696 {
 697     int dam;
 698     char *q;
 699     int n;
 700     natid own;
 701     char prompt[128];
 702     char buf[1024];
 703     struct lndstr land;
 704     struct emp_qelem *qp, *next;
 705     int unitno;
 706     int aaf, flak, hitchance;
 707     struct plist *plp;
 708     int nukedam;
 709     int nunits;
 710
 711     for (qp = list->q_forw; qp != list; qp = next) {
 712         next = qp->q_forw;
 713         plp = (struct plist *)qp;
 714         if (changed_plane_aborts(plp))
 715             continue;
 716         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 717             continue;
 718         nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 719         if (nunits == 0) {
 720             pr("%s could not find any units!\n", prplane(&plp->plane));
 721             continue;
 722         }
 723         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 724                       prplane(&plp->plane), plp->bombs);
 725         unitno = -1;
 726         while (unitno < 0) {
 727             if (!(q = getstring(prompt, buf)))
 728                 return;
 729             if (*q == 0)
 730                 continue;
 731             if (*q == '~')
 732                 break;
 733             if (*q == '?') {
 734                 unitsatxy(target->sct_x, target->sct_y, 0, 0);
 735                 continue;
 736             }
 737             n = atoi(q);
 738             if (n < 0)
 739                 continue;
 740             if (getland(n, &land) && land.lnd_own &&
 741                 land.lnd_ship < 0 && land.lnd_land < 0 &&
 742                 land.lnd_x == target->sct_x && land.lnd_y == target->sct_y)
 743                 unitno = n;
 744             else
 745                 pr("Unit #%d not spotted\n", n);
 746         }
 747         if (unitno < 0)
 748             continue;
 749         if (changed_plane_aborts(plp))
 750             continue;
 751
 752         aaf = lnd_aaf(&land);
 753         if (aaf) {
 754             flak = roundavg(techfact(land.lnd_tech,
 755                                      aaf * 3.0 * land.lnd_effic / 100.0));
 756             PR(land.lnd_own,
 757                "Flak! Firing flak guns from unit %s (aa rating %d)\n",
 758                prland(&land), aaf);
 759             if (pinflak_planedamage(&plp->plane, plp->pcp, land.lnd_own, flak))
 760                 continue;
 761         }
 762
 763         dam = 0;
 764         if (nuk_on_plane(&plp->plane) >= 0)
 765             hitchance = 100;
 766         else {
 767             hitchance = pln_hitchance(&plp->plane,
 768                                       lnd_hardtarget(&land), EF_LAND);
 769             pr("%d%% hitchance...", hitchance);
 770         }
 771         if (roll(100) <= hitchance) {
 772             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 773                                  'p', &nukedam, 1);
 774         } else {
 775             pr("thud\n");
 776             /* Bombs that miss have to land somewhere! */
 777             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 778                              'p', &nukedam, 0);
 779             collateral_damage(target->sct_x, target->sct_y, dam);
 780             dam = 0;
 781         }
 782         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 783             continue;
 784         if (dam > 100)
 785             dam = 100;
 786         own = land.lnd_own;
 787         mpr(own, "%s pinpoint bombing raid did %d damage to %s\n",
 788             cname(player->cnum), dam, prland(&land));
 789         check_retreat_and_do_landdamage(&land, dam);
 790
 791         if (land.lnd_rflags & RET_BOMBED)
 792             if (((land.lnd_rflags & RET_INJURED) == 0) || !dam)
 793                 retreat_land(&land, 'b');
 794         nreport(player->cnum, N_UNIT_BOMB, own, 1);
 795         putland(land.lnd_uid, &land);
 796         collateral_damage(target->sct_x, target->sct_y, dam);
 797     }
 798 }
 799
 800 static void
 801 strat_bomb(struct emp_qelem *list, struct sctstr *target)
 802 {
 803     struct plist *plp;
 804     int dam = 0;
 805     struct emp_qelem *qp;
 806     struct sctstr sect;
 807     int nukedam;
 808
 809     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 810         plp = (struct plist *)qp;
 811         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 812             continue;
 813         if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
 814             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 815                               's', &nukedam, 1);
 816     }
 817     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 818         return;
 819     getsect(target->sct_x, target->sct_y, &sect);
 820     target = &sect;
 821     if (target->sct_own)
 822         wu(0, target->sct_own, "%s bombing raid did %d damage in %s\n",
 823            cname(player->cnum), PERCENT_DAMAGE(dam),
 824            xyas(target->sct_x, target->sct_y, target->sct_own));
 825
 826     sectdamage(target, dam);
 827
 828     pr("did %d damage in %s\n", PERCENT_DAMAGE(dam),
 829        xyas(target->sct_x, target->sct_y, player->cnum));
 830     putsect(&sect);
 831 }
 832
 833 static int
 834 changed_plane_aborts(struct plist *plp)
 835 {
 836     if (check_plane_ok(&plp->plane))
 837         return 0;
 838     getplane(plp->plane.pln_uid, &plp->plane);
 839     pln_put1(plp);
 840     return 1;
 841 }
 842
 843 static int
 844 pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp, natid from,
 845                     int flak)
 846 {
 847     int disp;
 848     char dmess[255];
 849     int eff;
 850     natid plane_owner;
 851     int dam;
 852
 853     dam = ac_flak_dam(flak, pln_def(pp), pcp->pl_flags);
 854     disp = 0;
 855     plane_owner = pp->pln_own;
 856     eff = pp->pln_effic;
 857     if (dam <= 0)
 858         return 0;
 859     memset(dmess, 0, sizeof(dmess));
 860     eff -= dam;
 861     if (eff < 0)
 862         eff = 0;
 863     if (eff < PLANE_MINEFF) {
 864         sprintf(dmess, " -- shot down");
 865         disp = 1;
 866     } else if (chance((100 - eff) / 100.0)) {
 867         sprintf(dmess, " -- aborted with %d%% damage", 100 - eff);
 868         disp = 2;
 869     }
 870     PR(plane_owner, "    Flak! %s %s takes %d%s.\n",
 871        cname(pp->pln_own), prplane(pp), dam, dmess);
 872
 873     pp->pln_effic = eff;
 874     if (disp == 1) {
 875         if (from != 0)
 876             nreport(from, N_DOWN_PLANE, pp->pln_own, 1);
 877     }
 878     putplane(pp->pln_uid, pp);
 879
 880     if (disp > 0)
 881         return 1;
 882     return 0;
 883 }