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) 1986-2010, 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     struct sctstr ap_sect;
  95     char mission;
  96     struct plist *plp;
  97     struct emp_qelem *qp, *next;
  98     int rel;
  99     struct natstr *natp;
 100     char buf[1024];
 101
 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))
 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)
 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     ap_to_target = strlen(flightpath);
 123     if (flightpath[ap_to_target - 1] == 'h')
 124         ap_to_target--;
 125     pr("range to target is %d\n", ap_to_target);
 126     /*
 127      * select planes within range
 128      */
 129     pln_sel(&ni_bomb, &bomb_list, &ap_sect, ap_to_target, 2,
 130             P_B | P_T, P_M | P_O);
 131     pln_sel(&ni_esc, &esc_list, &ap_sect, ap_to_target, 2,
 132             P_ESC | P_F, P_M | P_O);
 133     /*
 134      * now arm and equip the bombers, transports, whatever.
 135      */
 136     pln_arm(&bomb_list, 2 * ap_to_target, mission, NULL);
 137     if (QEMPTY(&bomb_list)) {
 138         pr("No planes could be equipped for the mission.\n");
 139         return RET_FAIL;
 140     }
 141     pln_arm(&esc_list, 2 * ap_to_target, 'e', NULL);
 142     ac_encounter(&bomb_list, &esc_list, ax, ay, flightpath, 0);
 143     if (QEMPTY(&bomb_list)) {
 144         pr("No planes got through fighter defenses\n");
 145     } else if (target.sct_type == SCT_SANCT) {
 146         pr("You can't bomb that sector!\n");
 147     } else {
 148         switch (mission) {
 149         case 'p':
 150             pin_bomb(&bomb_list, &target);
 151             for (qp = bomb_list.q_forw; qp != &bomb_list; qp = next) {
 152                 next = qp->q_forw;
 153                 plp = (struct plist *)qp;
 154                 changed_plane_aborts(plp);
 155             }
 156             for (qp = esc_list.q_forw; qp != &esc_list; qp = next) {
 157                 next = qp->q_forw;
 158                 plp = (struct plist *)qp;
 159                 changed_plane_aborts(plp);
 160             }
 161             break;
 162         case 's':
 163             if (opt_SLOW_WAR) {
 164                 natp = getnatp(player->cnum);
 165                 if (target.sct_own) {
 166                     rel = getrel(natp, target.sct_own);
 167                     if ((rel != AT_WAR) && (player->cnum != target.sct_own)
 168                         && (target.sct_own) &&
 169                         (target.sct_oldown != player->cnum)) {
 170                         pr("You're not at war with them!\n");
 171                         pln_put(&bomb_list);
 172                         pln_put(&esc_list);
 173                         return RET_FAIL;
 174                     }
 175                 }
 176             }
 177             nreport(player->cnum, N_SCT_BOMB, target.sct_own, 1);
 178             strat_bomb(&bomb_list, &target);
 179             break;
 180         default:
 181             CANT_REACH();
 182         }
 183     }
 184     pln_put(&bomb_list);
 185     pln_put(&esc_list);
 186     return RET_OK;
 187 }
 188
 189 static void
 190 pin_bomb(struct emp_qelem *list, struct sctstr *target)
 191 {
 192     struct dchrstr *dcp;
 193     int nplanes;
 194     int nships;
 195     int type;
 196     int bad;
 197     char *p;
 198     int nsubs;
 199     int nunits;
 200     struct natstr *natp;
 201     int rel;
 202     char buf[1024];
 203     int i;
 204
 205     bad = 0;
 206     type = target->sct_type;
 207     dcp = &dchr[type];
 208     pr("Target sector is a %s constructed %s\n",
 209        effadv((int)target->sct_effic), dcp->d_name);
 210     nsubs = 0;
 211     nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 212     if (pln_caps(list) & P_A) {
 213         nsubs = shipsatxy(target->sct_x, target->sct_y, M_SUB, 0, 1);
 214         if (nsubs > 0)
 215             pr("Some subs are present in the sector.\n");
 216     }
 217     nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
 218     nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 219   retry:
 220     p = getstring("Bomb what? (ship, plane, land unit, efficiency, commodities) ",
 221                   buf);
 222     if (!p)
 223        return;
 224     if (!*p) {
 225         bad++;
 226         if (bad > 2)
 227             return;
 228         goto retry;
 229     }
 230     switch (*p) {
 231     case 'l':
 232         if (opt_SLOW_WAR) {
 233             natp = getnatp(player->cnum);
 234             if (target->sct_own) {
 235                 rel = getrel(natp, target->sct_own);
 236                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 237                     && (target->sct_own) &&
 238                     (target->sct_oldown != player->cnum)) {
 239                     pr("You're not at war with them!\n");
 240                     goto retry;
 241                 }
 242             }
 243         }
 244         if (nunits == 0) {
 245             pr("no units there\n");
 246             goto retry;
 247         }
 248         land_bomb(list, target);
 249         break;
 250     case 'p':
 251         if (opt_SLOW_WAR) {
 252             natp = getnatp(player->cnum);
 253             if (target->sct_own) {
 254                 rel = getrel(natp, target->sct_own);
 255                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 256                     && (target->sct_own) &&
 257                     (target->sct_oldown != player->cnum)) {
 258                     pr("You're not at war with them!\n");
 259                     goto retry;
 260                 }
 261             }
 262         }
 263         if (nplanes == 0) {
 264             pr("no planes there\n");
 265             goto retry;
 266         }
 267         plane_bomb(list, target);
 268         break;
 269     case 's':
 270         if (nships == 0) {
 271             if (pln_caps(list) & P_A) {
 272                 if (nsubs == 0) {
 273                     pr("no ships there\n");
 274                     goto retry;
 275                 }
 276             } else {
 277                 pr("no ships there\n");
 278                 goto retry;
 279             }
 280         }
 281         ship_bomb(list, target);
 282         break;
 283     case 'c':
 284         if (opt_SLOW_WAR) {
 285             natp = getnatp(player->cnum);
 286             if (target->sct_own) {
 287                 rel = getrel(natp, target->sct_own);
 288                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 289                     && (target->sct_own) &&
 290                     (target->sct_oldown != player->cnum)) {
 291                     pr("You're not at war with them!\n");
 292                     goto retry;
 293                 }
 294             }
 295         }
 296
 297         for (i = 0; i < nbomb; i++) {
 298             if (!target->sct_item[bombcomm[i]])
 299                 continue;
 300             break;
 301         }
 302         if (i >= nbomb) {
 303             pr("No bombable commodities in %s\n",
 304                xyas(target->sct_x, target->sct_y, player->cnum));
 305             goto retry;
 306         }
 307         comm_bomb(list, target);
 308         break;
 309     case 'e':
 310         if (opt_SLOW_WAR) {
 311             natp = getnatp(player->cnum);
 312             if (target->sct_own) {
 313                 rel = getrel(natp, target->sct_own);
 314                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 315                     && (target->sct_own) &&
 316                     (target->sct_oldown != player->cnum)) {
 317                     pr("You're not at war with them!\n");
 318                     goto retry;
 319                 }
 320             }
 321         }
 322         eff_bomb(list, target);
 323         break;
 324     case 'q':
 325         pr("Aborting mission.\n");
 326         return;
 327     default:
 328         pr("Bad target type.\n");
 329         goto retry;
 330     }
 331 }
 332
 333 static void
 334 eff_bomb(struct emp_qelem *list, struct sctstr *target)
 335 {
 336     struct plist *plp;
 337     struct emp_qelem *qp, *next;
 338     struct sctstr sect;
 339     int oldeff, dam = 0;
 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         dam += pln_damage(&plp->plane, 'p', 1);
 347     }
 348     getsect(target->sct_x, target->sct_y, &sect);
 349     target = &sect;
 350     oldeff = target->sct_effic;
 351     target->sct_effic = effdamage(target->sct_effic, dam);
 352     target->sct_avail = effdamage(target->sct_avail, dam);
 353     target->sct_road = effdamage(target->sct_road, dam);
 354     target->sct_rail = effdamage(target->sct_rail, dam);
 355     target->sct_defense = effdamage(target->sct_defense, dam);
 356     pr("did %d%% damage to efficiency in %s\n",
 357        oldeff - target->sct_effic,
 358        xyas(target->sct_x, target->sct_y, player->cnum));
 359     if (target->sct_own)
 360         wu(0, target->sct_own,
 361            "%s bombing raid did %d%% damage in %s\n",
 362            cname(player->cnum), oldeff - target->sct_effic,
 363            xyas(target->sct_x, target->sct_y, target->sct_own));
 364     bridge_damaged(target);
 365     putsect(&sect);
 366     collateral_damage(target->sct_x, target->sct_y, dam);
 367 }
 368
 369 static void
 370 comm_bomb(struct emp_qelem *list, struct sctstr *target)
 371 {
 372     struct plist *plp;
 373     double b;
 374     int i;
 375     int amt, before;
 376     struct ichrstr *ip;
 377     struct emp_qelem *qp, *next;
 378     struct sctstr sect;
 379     int dam = 0;
 380
 381     for (i = 0; i < nbomb; i++) {
 382         if (target->sct_item[bombcomm[i]] == 0)
 383             continue;
 384         if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 385             continue;
 386         ip = &ichr[bombcomm[i]];
 387         pr("some %s\n", ip->i_name);
 388     }
 389     for (;;) {
 390         ip = whatitem(NULL, "commodity to bomb? ");
 391         if (player->aborted)
 392             return;
 393         if (!ip)
 394             continue;
 395
 396         for (i = 0; i < nbomb; i++) {
 397             if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 398                 continue;
 399             if (&ichr[bombcomm[i]] == ip)
 400                 break;
 401         }
 402         if (i == nbomb) {
 403             pr("You can't bomb %s!\n", ip->i_name);
 404             for (i = 0; i < nbomb; i++) {
 405                 if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 406                     continue;
 407                 pr("%s%s", i == 0 ? "Bombable: " : ", ",
 408                    ichr[bombcomm[i]].i_name);
 409             }
 410             pr("\n");
 411         } else
 412             break;
 413     }
 414     for (qp = list->q_forw; qp != list; qp = next) {
 415         next = qp->q_forw;
 416         plp = (struct plist *)qp;
 417         if (changed_plane_aborts(plp))
 418             continue;
 419         dam += pln_damage(&plp->plane, 'p', 1);
 420     }
 421     getsect(target->sct_x, target->sct_y, &sect);
 422     target = &sect;
 423     before = target->sct_item[ip->i_uid];
 424     target->sct_item[ip->i_uid] = amt = commdamage(before, dam, ip->i_uid);
 425     if (before > 0.0)
 426         b = 100.0 * (1.0 - (double)amt / (double)before);
 427     else
 428         b = 0.0;
 429     pr("did %.2f%% damage to %s in %s\n",
 430        b, ip->i_name, xyas(target->sct_x, target->sct_y, player->cnum));
 431     nreport(player->cnum, N_SCT_BOMB, target->sct_own, 1);
 432     if (target->sct_own != 0)
 433         wu(0, target->sct_own,
 434            "%s precision bombing raid did %.2f%% damage to %s in %s\n",
 435            cname(player->cnum), b, ip->i_name,
 436            xyas(target->sct_x, target->sct_y, target->sct_own));
 437     putsect(&sect);
 438     collateral_damage(target->sct_x, target->sct_y, dam);
 439 }
 440
 441 static void
 442 ship_bomb(struct emp_qelem *list, struct sctstr *target)
 443 {
 444     struct plist *plp;
 445     struct mchrstr *mcp;
 446     int dam;
 447     char *q;
 448     int n;
 449     struct emp_qelem *qp, *next;
 450     int shipno;
 451     struct shpstr ship;
 452     int nships = 0;
 453     struct shiplist *head = NULL;
 454     char buf[1024];
 455     char prompt[128];
 456     int hitchance;
 457     int flak;
 458     int gun;
 459
 460     for (qp = list->q_forw; qp != list; qp = next) {
 461         next = qp->q_forw;
 462         free_shiplist(&head);
 463         plp = (struct plist *)qp;
 464         if (changed_plane_aborts(plp))
 465             continue;
 466         if (plp->pcp->pl_flags & P_A)
 467             nships = asw_shipsatxy(target->sct_x, target->sct_y, 0, 0,
 468                                    &plp->plane, &head);
 469         else
 470             nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 471         if (nships == 0) {
 472             pr("%s could not find any ships!\n", prplane(&plp->plane));
 473             continue;
 474         }
 475         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 476                       prplane(&plp->plane), plp->load);
 477         shipno = -1;
 478         while (shipno < 0) {
 479             if (!(q = getstring(prompt, buf)))
 480                 goto out;
 481             if (*q == 0)
 482                 continue;
 483             if (*q == '~')
 484                 break;
 485             if (*q == '?') {
 486                 if (plp->pcp->pl_flags & P_A)
 487                     print_shiplist(head);
 488                 else
 489                     shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 490                 continue;
 491             }
 492             n = atoi(q);
 493             if (n < 0)
 494                 continue;
 495             if ((!(plp->pcp->pl_flags & P_A) || on_shiplist(n, head)) &&
 496                 getship(n, &ship) && ship.shp_own &&
 497                 ship.shp_x == target->sct_x && ship.shp_y == target->sct_y)
 498                 shipno = n;
 499             else
 500                 pr("Ship #%d not spotted\n", n);
 501         }
 502         if (shipno < 0)
 503             continue;
 504         if ((plp->pcp->pl_flags & P_A) && !on_shiplist(shipno, head))
 505             continue;
 506         if (changed_plane_aborts(plp))
 507             continue;
 508
 509         gun = shp_usable_guns(&ship);
 510         mcp = &mchr[(int)ship.shp_type];
 511         if (gun > 0 && !(mcp->m_flags & M_SUB)) {
 512             flak = (int)(techfact(ship.shp_tech, gun) * 2.0);
 513             mpr(ship.shp_own, "Flak! Firing %d guns from ship %s\n",
 514                 flak, prship(&ship));
 515             if (pinflak_planedamage(&plp->plane, plp->pcp, ship.shp_own, flak))
 516                 continue;
 517         }
 518
 519         if (nuk_on_plane(&plp->plane) >= 0)
 520             hitchance = 100;
 521         else {
 522             hitchance = pln_hitchance(&plp->plane,
 523                                       shp_hardtarget(&ship), EF_SHIP);
 524             pr("%d%% hitchance...", hitchance);
 525         }
 526         if (roll(100) <= hitchance) {
 527             /* pinbombing is more accurate than normal bombing */
 528             dam = 2 * pln_damage(&plp->plane, 'p', 1);
 529         } else {
 530             pr("splash\n");
 531             /* Bombs that miss have to land somewhere! */
 532             dam = pln_damage(&plp->plane, 'p', 0);
 533             collateral_damage(target->sct_x, target->sct_y, dam);
 534             continue;
 535         }
 536         if (mcp->m_flags & M_SUB)
 537             nreport(player->cnum, N_SUB_BOMB, ship.shp_own, 1);
 538         else
 539             nreport(player->cnum, N_SHP_BOMB, ship.shp_own, 1);
 540         if (ship.shp_own) {
 541             wu(0, ship.shp_own, "%s bombs did %d damage to %s at %s\n",
 542                cname(player->cnum), dam,
 543                prship(&ship),
 544                xyas(target->sct_x, target->sct_y, ship.shp_own));
 545         }
 546         pr("\n");
 547         check_retreat_and_do_shipdamage(&ship, dam);
 548         if (ship.shp_rflags & RET_BOMBED)
 549             if (((ship.shp_rflags & RET_INJURED) == 0) || !dam)
 550                 retreat_ship(&ship, 'b');
 551         putship(ship.shp_uid, &ship);
 552         getship(ship.shp_uid, &ship);
 553         if (!ship.shp_own) {
 554             pr("%s at %s sunk!\n",
 555                prship(&ship),
 556                xyas(target->sct_x, target->sct_y, player->cnum));
 557         }
 558         collateral_damage(target->sct_x, target->sct_y, dam / 2);
 559     }
 560 out:
 561     free_shiplist(&head);
 562 }
 563
 564 static void
 565 plane_bomb(struct emp_qelem *list, struct sctstr *target)
 566 {
 567     int dam;
 568     char *q;
 569     int n;
 570     natid own;
 571     struct plnstr plane;
 572     struct emp_qelem *qp, *next;
 573     int planeno;
 574     struct plist *plp;
 575     char prompt[128];
 576     char buf[1024];
 577     int hitchance;
 578     int nplanes;
 579
 580     for (qp = list->q_forw; qp != list; qp = next) {
 581         next = qp->q_forw;
 582         plp = (struct plist *)qp;
 583         if (changed_plane_aborts(plp))
 584             continue;
 585         nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
 586         if (nplanes == 0) {
 587             pr("%s could not find any planes!\n", prplane(&plp->plane));
 588             continue;
 589         }
 590         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 591                       prplane(&plp->plane), plp->load);
 592         planeno = -1;
 593         while (planeno < 0) {
 594             if (!(q = getstring(prompt, buf)))
 595                 return;
 596             if (*q == 0)
 597                 continue;
 598             if (*q == '~')
 599                 break;
 600             if (*q == '?') {
 601                 planesatxy(target->sct_x, target->sct_y, 0, 0);
 602                 continue;
 603             }
 604             n = atoi(q);
 605             if (n < 0)
 606                 continue;
 607             if (getplane(n, &plane) &&
 608                 plane.pln_x == target->sct_x &&
 609                 plane.pln_y == target->sct_y &&
 610                 plane.pln_ship < 0 && plane.pln_land < 0 &&
 611                 !(plane.pln_flags & PLN_LAUNCHED))
 612                 planeno = n;
 613             else
 614                 pr("Plane #%d not spotted\n", n);
 615         }
 616         if (planeno < 0)
 617             continue;
 618         if (changed_plane_aborts(plp))
 619             continue;
 620         if (nuk_on_plane(&plp->plane) >= 0)
 621             hitchance = 100;
 622         else {
 623             hitchance = pln_hitchance(&plp->plane, 0, EF_PLANE);
 624             pr("%d%% hitchance...", hitchance);
 625         }
 626         if (roll(100) <= hitchance) {
 627             /* pinbombing is more accurate than normal bombing */
 628             dam = 2 * pln_damage(&plp->plane, 'p', 1);
 629         } else {
 630             pr("thud\n");
 631             /* Bombs that miss have to land somewhere! */
 632             dam = pln_damage(&plp->plane, 'p', 0);
 633             collateral_damage(target->sct_x, target->sct_y, dam);
 634             continue;
 635         }
 636         if (dam > 100)
 637             dam = 100;
 638         own = plane.pln_own;
 639         if (dam > plane.pln_effic)
 640             plane.pln_effic = 0;
 641         else
 642             plane.pln_effic -= dam;
 643         plane.pln_mobil = (dam * plane.pln_mobil / 100.0);
 644         if (own == player->cnum) {
 645             pr("%s reports %d%% damage\n", prplane(&plane), dam);
 646         } else {
 647             if (own != 0)
 648                 wu(0, own,
 649                    "%s pinpoint bombing raid did %d%% damage to %s\n",
 650                    cname(player->cnum), dam, prplane(&plane));
 651         }
 652         nreport(player->cnum, N_DOWN_PLANE, own, 1);
 653         if (own != 0)
 654             wu(0, own, "%s bombs did %d%% damage to %s at %s\n",
 655                cname(player->cnum), dam, prplane(&plane),
 656                xyas(target->sct_x, target->sct_y, own));
 657         putplane(plane.pln_uid, &plane);
 658         collateral_damage(target->sct_x, target->sct_y, dam);
 659     }
 660 }
 661
 662 static void
 663 land_bomb(struct emp_qelem *list, struct sctstr *target)
 664 {
 665     int dam;
 666     char *q;
 667     int n;
 668     natid own;
 669     char prompt[128];
 670     char buf[1024];
 671     struct lndstr land;
 672     struct emp_qelem *qp, *next;
 673     int unitno;
 674     int aaf, flak, hitchance;
 675     struct plist *plp;
 676     int nunits;
 677
 678     for (qp = list->q_forw; qp != list; qp = next) {
 679         next = qp->q_forw;
 680         plp = (struct plist *)qp;
 681         if (changed_plane_aborts(plp))
 682             continue;
 683         nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 684         if (nunits == 0) {
 685             pr("%s could not find any units!\n", prplane(&plp->plane));
 686             continue;
 687         }
 688         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 689                       prplane(&plp->plane), plp->load);
 690         unitno = -1;
 691         while (unitno < 0) {
 692             if (!(q = getstring(prompt, buf)))
 693                 return;
 694             if (*q == 0)
 695                 continue;
 696             if (*q == '~')
 697                 break;
 698             if (*q == '?') {
 699                 unitsatxy(target->sct_x, target->sct_y, 0, 0);
 700                 continue;
 701             }
 702             n = atoi(q);
 703             if (n < 0)
 704                 continue;
 705             if (getland(n, &land) && land.lnd_own &&
 706                 land.lnd_ship < 0 && land.lnd_land < 0 &&
 707                 land.lnd_x == target->sct_x && land.lnd_y == target->sct_y)
 708                 unitno = n;
 709             else
 710                 pr("Unit #%d not spotted\n", n);
 711         }
 712         if (unitno < 0)
 713             continue;
 714         if (changed_plane_aborts(plp))
 715             continue;
 716
 717         aaf = lnd_aaf(&land);
 718         if (aaf) {
 719             flak = roundavg(techfact(land.lnd_tech,
 720                                      aaf * 3.0 * land.lnd_effic / 100.0));
 721             mpr(land.lnd_own,
 722                 "Flak! Firing flak guns from unit %s (aa rating %d)\n",
 723                 prland(&land), aaf);
 724             if (pinflak_planedamage(&plp->plane, plp->pcp, land.lnd_own, flak))
 725                 continue;
 726         }
 727
 728         if (nuk_on_plane(&plp->plane) >= 0)
 729             hitchance = 100;
 730         else {
 731             hitchance = pln_hitchance(&plp->plane,
 732                                       lnd_hardtarget(&land), EF_LAND);
 733             pr("%d%% hitchance...", hitchance);
 734         }
 735         if (roll(100) <= hitchance) {
 736             dam = 2 * pln_damage(&plp->plane, 'p', 1);
 737         } else {
 738             pr("thud\n");
 739             /* Bombs that miss have to land somewhere! */
 740             dam = pln_damage(&plp->plane, 'p', 0);
 741             collateral_damage(target->sct_x, target->sct_y, dam);
 742             continue;
 743         }
 744         if (dam > 100)
 745             dam = 100;
 746         own = land.lnd_own;
 747         mpr(own, "%s pinpoint bombing raid did %d damage to %s\n",
 748             cname(player->cnum), dam, prland(&land));
 749         check_retreat_and_do_landdamage(&land, dam);
 750
 751         if (land.lnd_rflags & RET_BOMBED)
 752             if (((land.lnd_rflags & RET_INJURED) == 0) || !dam)
 753                 retreat_land(&land, 'b');
 754         nreport(player->cnum, N_UNIT_BOMB, own, 1);
 755         putland(land.lnd_uid, &land);
 756         collateral_damage(target->sct_x, target->sct_y, dam);
 757     }
 758 }
 759
 760 static void
 761 strat_bomb(struct emp_qelem *list, struct sctstr *target)
 762 {
 763     struct plist *plp;
 764     int dam = 0;
 765     struct emp_qelem *qp;
 766     struct sctstr sect;
 767     struct nukstr nuke;
 768
 769     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 770         plp = (struct plist *)qp;
 771         if (getnuke(nuk_on_plane(&plp->plane), &nuke))
 772             detonate(&nuke, target->sct_x, target->sct_y,
 773                      plp->plane.pln_flags & PLN_AIRBURST);
 774         else
 775             dam += pln_damage(&plp->plane, 's', 1);
 776     }
 777     if (dam <= 0)
 778         return;
 779     getsect(target->sct_x, target->sct_y, &sect);
 780     target = &sect;
 781     if (target->sct_own)
 782         wu(0, target->sct_own, "%s bombing raid did %d damage in %s\n",
 783            cname(player->cnum), PERCENT_DAMAGE(dam),
 784            xyas(target->sct_x, target->sct_y, target->sct_own));
 785
 786     sectdamage(target, dam);
 787
 788     pr("did %d damage in %s\n", PERCENT_DAMAGE(dam),
 789        xyas(target->sct_x, target->sct_y, player->cnum));
 790     putsect(&sect);
 791 }
 792
 793 static int
 794 changed_plane_aborts(struct plist *plp)
 795 {
 796     if (check_plane_ok(&plp->plane))
 797         return 0;
 798     getplane(plp->plane.pln_uid, &plp->plane);
 799     pln_put1(plp);
 800     return 1;
 801 }
 802
 803 static int
 804 pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp, natid from,
 805                     int flak)
 806 {
 807     int disp;
 808     char dmess[14];
 809     int dam;
 810
 811     dam = ac_flak_dam(flak, pln_def(pp), pcp->pl_flags);
 812     if (dam <= 0)
 813         return 0;
 814     disp = ac_damage_plane(pp, from, dam, 1, dmess);
 815     mpr(pp->pln_own, "    Flak! %s takes %d%s%s.\n",
 816         prplane(pp), dam, *dmess ? " --" : "", dmess);
 817
 818     putplane(pp->pln_uid, pp);
 819     return disp > 0;
 820 }