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     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     int nukedam;
 341
 342     for (qp = list->q_forw; qp != list; qp = next) {
 343         next = qp->q_forw;
 344         plp = (struct plist *)qp;
 345         if (changed_plane_aborts(plp))
 346             continue;
 347         if (plp->load || nuk_on_plane(&plp->plane) >= 0)
 348             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 349                               'p', &nukedam, 1);
 350     }
 351     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 352         return;
 353     getsect(target->sct_x, target->sct_y, &sect);
 354     target = &sect;
 355     oldeff = target->sct_effic;
 356     target->sct_effic = effdamage(target->sct_effic, dam);
 357     target->sct_avail = effdamage(target->sct_avail, dam);
 358     target->sct_road = effdamage(target->sct_road, dam);
 359     target->sct_rail = effdamage(target->sct_rail, dam);
 360     target->sct_defense = effdamage(target->sct_defense, dam);
 361     pr("did %d%% damage to efficiency in %s\n",
 362        oldeff - target->sct_effic,
 363        xyas(target->sct_x, target->sct_y, player->cnum));
 364     if (target->sct_own)
 365         wu(0, target->sct_own,
 366            "%s bombing raid did %d%% damage in %s\n",
 367            cname(player->cnum), oldeff - target->sct_effic,
 368            xyas(target->sct_x, target->sct_y, target->sct_own));
 369     bridge_damaged(target);
 370     putsect(&sect);
 371     collateral_damage(target->sct_x, target->sct_y, dam);
 372 }
 373
 374 static void
 375 comm_bomb(struct emp_qelem *list, struct sctstr *target)
 376 {
 377     struct plist *plp;
 378     double b;
 379     int i;
 380     int amt, before;
 381     struct ichrstr *ip;
 382     struct emp_qelem *qp, *next;
 383     struct sctstr sect;
 384     int dam = 0;
 385     int nukedam;
 386
 387     for (i = 0; i < nbomb; i++) {
 388         if (target->sct_item[bombcomm[i]] == 0)
 389             continue;
 390         if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 391             continue;
 392         ip = &ichr[bombcomm[i]];
 393         pr("some %s\n", ip->i_name);
 394     }
 395     for (;;) {
 396         ip = whatitem(NULL, "commodity to bomb? ");
 397         if (player->aborted)
 398             return;
 399         if (!ip)
 400             continue;
 401
 402         for (i = 0; i < nbomb; i++) {
 403             if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 404                 continue;
 405             if (&ichr[bombcomm[i]] == ip)
 406                 break;
 407         }
 408         if (i == nbomb) {
 409             pr("You can't bomb %s!\n", ip->i_name);
 410             for (i = 0; i < nbomb; i++) {
 411                 if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 412                     continue;
 413                 pr("%s%s", i == 0 ? "Bombable: " : ", ",
 414                    ichr[bombcomm[i]].i_name);
 415             }
 416             pr("\n");
 417         } else
 418             break;
 419     }
 420     for (qp = list->q_forw; qp != list; qp = next) {
 421         next = qp->q_forw;
 422         plp = (struct plist *)qp;
 423         if (changed_plane_aborts(plp))
 424             continue;
 425         if (plp->load || nuk_on_plane(&plp->plane) >= 0)
 426             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 427                               'p', &nukedam, 1);
 428     }
 429     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 430         return;
 431     getsect(target->sct_x, target->sct_y, &sect);
 432     target = &sect;
 433     before = target->sct_item[ip->i_uid];
 434     target->sct_item[ip->i_uid] = amt = commdamage(before, dam, ip->i_uid);
 435     if (before > 0.0)
 436         b = 100.0 * (1.0 - (double)amt / (double)before);
 437     else
 438         b = 0.0;
 439     pr("did %.2f%% damage to %s in %s\n",
 440        b, ip->i_name, xyas(target->sct_x, target->sct_y, player->cnum));
 441     nreport(player->cnum, N_SCT_BOMB, target->sct_own, 1);
 442     if (target->sct_own != 0)
 443         wu(0, target->sct_own,
 444            "%s precision bombing raid did %.2f%% damage to %s in %s\n",
 445            cname(player->cnum), b, ip->i_name,
 446            xyas(target->sct_x, target->sct_y, target->sct_own));
 447     putsect(&sect);
 448     collateral_damage(target->sct_x, target->sct_y, dam);
 449 }
 450
 451 static void
 452 ship_bomb(struct emp_qelem *list, struct sctstr *target)
 453 {
 454     struct plist *plp;
 455     struct mchrstr *mcp;
 456     int dam;
 457     char *q;
 458     int n;
 459     struct emp_qelem *qp, *next;
 460     int shipno;
 461     struct shpstr ship;
 462     int nships = 0;
 463     struct shiplist *head = NULL;
 464     char buf[1024];
 465     char prompt[128];
 466     int hitchance;
 467     int nukedam;
 468     int flak;
 469     int gun;
 470
 471     for (qp = list->q_forw; qp != list; qp = next) {
 472         next = qp->q_forw;
 473         free_shiplist(&head);
 474         plp = (struct plist *)qp;
 475         if (changed_plane_aborts(plp))
 476             continue;
 477         if (plp->pcp->pl_flags & P_A)
 478             nships = asw_shipsatxy(target->sct_x, target->sct_y, 0, 0,
 479                                    &plp->plane, &head);
 480         else
 481             nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 482         if (nships == 0) {
 483             pr("%s could not find any ships!\n", prplane(&plp->plane));
 484             continue;
 485         }
 486         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 487                       prplane(&plp->plane), plp->load);
 488         shipno = -1;
 489         while (shipno < 0) {
 490             if (!(q = getstring(prompt, buf)))
 491                 goto out;
 492             if (*q == 0)
 493                 continue;
 494             if (*q == '~')
 495                 break;
 496             if (*q == '?') {
 497                 if (plp->pcp->pl_flags & P_A)
 498                     print_shiplist(head);
 499                 else
 500                     shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 501                 continue;
 502             }
 503             n = atoi(q);
 504             if (n < 0)
 505                 continue;
 506             if ((!(plp->pcp->pl_flags & P_A) || on_shiplist(n, head)) &&
 507                 getship(n, &ship) && ship.shp_own &&
 508                 ship.shp_x == target->sct_x && ship.shp_y == target->sct_y)
 509                 shipno = n;
 510             else
 511                 pr("Ship #%d not spotted\n", n);
 512         }
 513         if (shipno < 0)
 514             continue;
 515         if ((plp->pcp->pl_flags & P_A) && !on_shiplist(shipno, head))
 516             continue;
 517         if (changed_plane_aborts(plp))
 518             continue;
 519
 520         gun = shp_usable_guns(&ship);
 521         mcp = &mchr[(int)ship.shp_type];
 522         if (gun > 0 && !(mcp->m_flags & M_SUB)) {
 523             flak = (int)(techfact(ship.shp_tech, gun) * 2.0);
 524             PR(ship.shp_own, "Flak! Firing %d guns from ship %s\n",
 525                flak, prship(&ship));
 526             if (pinflak_planedamage(&plp->plane, plp->pcp, ship.shp_own, flak))
 527                 continue;
 528         }
 529
 530         dam = 0;
 531         if (nuk_on_plane(&plp->plane) >= 0)
 532             hitchance = 100;
 533         else {
 534             hitchance = pln_hitchance(&plp->plane,
 535                                       shp_hardtarget(&ship), EF_SHIP);
 536             pr("%d%% hitchance...", hitchance);
 537         }
 538         if (roll(100) <= hitchance) {
 539             /* pinbombing is more accurate than normal bombing */
 540             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 541                                  'p', &nukedam, 1);
 542         } else {
 543             pr("splash\n");
 544             /* Bombs that miss have to land somewhere! */
 545             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 546                              'p', &nukedam, 0);
 547             collateral_damage(target->sct_x, target->sct_y, dam);
 548             dam = 0;
 549         }
 550         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 551             continue;
 552         if (mcp->m_flags & M_SUB)
 553             nreport(player->cnum, N_SUB_BOMB, ship.shp_own, 1);
 554         else
 555             nreport(player->cnum, N_SHP_BOMB, ship.shp_own, 1);
 556         if (ship.shp_own) {
 557             wu(0, ship.shp_own, "%s bombs did %d damage to %s at %s\n",
 558                cname(player->cnum), dam,
 559                prship(&ship),
 560                xyas(target->sct_x, target->sct_y, ship.shp_own));
 561         }
 562         pr("\n");
 563         check_retreat_and_do_shipdamage(&ship, dam);
 564         if (ship.shp_rflags & RET_BOMBED)
 565             if (((ship.shp_rflags & RET_INJURED) == 0) || !dam)
 566                 retreat_ship(&ship, 'b');
 567         putship(ship.shp_uid, &ship);
 568         getship(ship.shp_uid, &ship);
 569         if (!ship.shp_own) {
 570             pr("%s at %s sunk!\n",
 571                prship(&ship),
 572                xyas(target->sct_x, target->sct_y, player->cnum));
 573         }
 574         collateral_damage(target->sct_x, target->sct_y, dam / 2);
 575     }
 576 out:
 577     free_shiplist(&head);
 578 }
 579
 580 static void
 581 plane_bomb(struct emp_qelem *list, struct sctstr *target)
 582 {
 583     int dam;
 584     char *q;
 585     int n;
 586     natid own;
 587     struct plnstr plane;
 588     struct emp_qelem *qp, *next;
 589     int planeno;
 590     struct plist *plp;
 591     char prompt[128];
 592     char buf[1024];
 593     int hitchance;
 594     int nukedam;
 595     int nplanes;
 596
 597     for (qp = list->q_forw; qp != list; qp = next) {
 598         next = qp->q_forw;
 599         plp = (struct plist *)qp;
 600         if (changed_plane_aborts(plp))
 601             continue;
 602         nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
 603         if (nplanes == 0) {
 604             pr("%s could not find any planes!\n", prplane(&plp->plane));
 605             continue;
 606         }
 607         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 608                       prplane(&plp->plane), plp->load);
 609         planeno = -1;
 610         while (planeno < 0) {
 611             if (!(q = getstring(prompt, buf)))
 612                 return;
 613             if (*q == 0)
 614                 continue;
 615             if (*q == '~')
 616                 break;
 617             if (*q == '?') {
 618                 planesatxy(target->sct_x, target->sct_y, 0, 0);
 619                 continue;
 620             }
 621             n = atoi(q);
 622             if (n < 0)
 623                 continue;
 624             if (getplane(n, &plane) &&
 625                 plane.pln_x == target->sct_x &&
 626                 plane.pln_y == target->sct_y &&
 627                 plane.pln_ship < 0 && plane.pln_land < 0 &&
 628                 !(plane.pln_flags & PLN_LAUNCHED))
 629                 planeno = n;
 630             else
 631                 pr("Plane #%d not spotted\n", n);
 632         }
 633         if (planeno < 0)
 634             continue;
 635         if (changed_plane_aborts(plp))
 636             continue;
 637         dam = 0;
 638         if (nuk_on_plane(&plp->plane) >= 0)
 639             hitchance = 100;
 640         else {
 641             hitchance = pln_hitchance(&plp->plane, 0, EF_PLANE);
 642             pr("%d%% hitchance...", hitchance);
 643         }
 644         if (roll(100) <= hitchance) {
 645             /* pinbombing is more accurate than normal bombing */
 646             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 647                                  'p', &nukedam, 1);
 648         } else {
 649             pr("thud\n");
 650             /* Bombs that miss have to land somewhere! */
 651             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 652                              'p', &nukedam, 0);
 653             collateral_damage(target->sct_x, target->sct_y, dam);
 654             dam = 0;
 655         }
 656         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 657             continue;
 658         if (dam > 100)
 659             dam = 100;
 660         own = plane.pln_own;
 661         if (dam > plane.pln_effic)
 662             plane.pln_effic = 0;
 663         else
 664             plane.pln_effic -= dam;
 665         plane.pln_mobil = (dam * plane.pln_mobil / 100.0);
 666         if (own == player->cnum) {
 667             pr("%s reports %d%% damage\n", prplane(&plane), dam);
 668         } else {
 669             if (own != 0)
 670                 wu(0, own,
 671                    "%s pinpoint bombing raid did %d%% damage to %s\n",
 672                    cname(player->cnum), dam, prplane(&plane));
 673         }
 674         nreport(player->cnum, N_DOWN_PLANE, own, 1);
 675         if (own != 0)
 676             wu(0, own, "%s bombs did %d%% damage to %s at %s\n",
 677                cname(player->cnum), dam, prplane(&plane),
 678                xyas(target->sct_x, target->sct_y, own));
 679         putplane(plane.pln_uid, &plane);
 680         collateral_damage(target->sct_x, target->sct_y, dam);
 681     }
 682 }
 683
 684 static void
 685 land_bomb(struct emp_qelem *list, struct sctstr *target)
 686 {
 687     int dam;
 688     char *q;
 689     int n;
 690     natid own;
 691     char prompt[128];
 692     char buf[1024];
 693     struct lndstr land;
 694     struct emp_qelem *qp, *next;
 695     int unitno;
 696     int aaf, flak, hitchance;
 697     struct plist *plp;
 698     int nukedam;
 699     int nunits;
 700
 701     for (qp = list->q_forw; qp != list; qp = next) {
 702         next = qp->q_forw;
 703         plp = (struct plist *)qp;
 704         if (changed_plane_aborts(plp))
 705             continue;
 706         nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 707         if (nunits == 0) {
 708             pr("%s could not find any units!\n", prplane(&plp->plane));
 709             continue;
 710         }
 711         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 712                       prplane(&plp->plane), plp->load);
 713         unitno = -1;
 714         while (unitno < 0) {
 715             if (!(q = getstring(prompt, buf)))
 716                 return;
 717             if (*q == 0)
 718                 continue;
 719             if (*q == '~')
 720                 break;
 721             if (*q == '?') {
 722                 unitsatxy(target->sct_x, target->sct_y, 0, 0);
 723                 continue;
 724             }
 725             n = atoi(q);
 726             if (n < 0)
 727                 continue;
 728             if (getland(n, &land) && land.lnd_own &&
 729                 land.lnd_ship < 0 && land.lnd_land < 0 &&
 730                 land.lnd_x == target->sct_x && land.lnd_y == target->sct_y)
 731                 unitno = n;
 732             else
 733                 pr("Unit #%d not spotted\n", n);
 734         }
 735         if (unitno < 0)
 736             continue;
 737         if (changed_plane_aborts(plp))
 738             continue;
 739
 740         aaf = lnd_aaf(&land);
 741         if (aaf) {
 742             flak = roundavg(techfact(land.lnd_tech,
 743                                      aaf * 3.0 * land.lnd_effic / 100.0));
 744             PR(land.lnd_own,
 745                "Flak! Firing flak guns from unit %s (aa rating %d)\n",
 746                prland(&land), aaf);
 747             if (pinflak_planedamage(&plp->plane, plp->pcp, land.lnd_own, flak))
 748                 continue;
 749         }
 750
 751         dam = 0;
 752         if (nuk_on_plane(&plp->plane) >= 0)
 753             hitchance = 100;
 754         else {
 755             hitchance = pln_hitchance(&plp->plane,
 756                                       lnd_hardtarget(&land), EF_LAND);
 757             pr("%d%% hitchance...", hitchance);
 758         }
 759         if (roll(100) <= hitchance) {
 760             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 761                                  'p', &nukedam, 1);
 762         } else {
 763             pr("thud\n");
 764             /* Bombs that miss have to land somewhere! */
 765             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 766                              'p', &nukedam, 0);
 767             collateral_damage(target->sct_x, target->sct_y, dam);
 768             dam = 0;
 769         }
 770         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 771             continue;
 772         if (dam > 100)
 773             dam = 100;
 774         own = land.lnd_own;
 775         mpr(own, "%s pinpoint bombing raid did %d damage to %s\n",
 776             cname(player->cnum), dam, prland(&land));
 777         check_retreat_and_do_landdamage(&land, dam);
 778
 779         if (land.lnd_rflags & RET_BOMBED)
 780             if (((land.lnd_rflags & RET_INJURED) == 0) || !dam)
 781                 retreat_land(&land, 'b');
 782         nreport(player->cnum, N_UNIT_BOMB, own, 1);
 783         putland(land.lnd_uid, &land);
 784         collateral_damage(target->sct_x, target->sct_y, dam);
 785     }
 786 }
 787
 788 static void
 789 strat_bomb(struct emp_qelem *list, struct sctstr *target)
 790 {
 791     struct plist *plp;
 792     int dam = 0;
 793     struct emp_qelem *qp;
 794     struct sctstr sect;
 795     int nukedam;
 796
 797     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 798         plp = (struct plist *)qp;
 799         if (plp->load || nuk_on_plane(&plp->plane) >= 0)
 800             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 801                               's', &nukedam, 1);
 802     }
 803     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 804         return;
 805     getsect(target->sct_x, target->sct_y, &sect);
 806     target = &sect;
 807     if (target->sct_own)
 808         wu(0, target->sct_own, "%s bombing raid did %d damage in %s\n",
 809            cname(player->cnum), PERCENT_DAMAGE(dam),
 810            xyas(target->sct_x, target->sct_y, target->sct_own));
 811
 812     sectdamage(target, dam);
 813
 814     pr("did %d damage in %s\n", PERCENT_DAMAGE(dam),
 815        xyas(target->sct_x, target->sct_y, player->cnum));
 816     putsect(&sect);
 817 }
 818
 819 static int
 820 changed_plane_aborts(struct plist *plp)
 821 {
 822     if (check_plane_ok(&plp->plane))
 823         return 0;
 824     getplane(plp->plane.pln_uid, &plp->plane);
 825     pln_put1(plp);
 826     return 1;
 827 }
 828
 829 static int
 830 pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp, natid from,
 831                     int flak)
 832 {
 833     int disp;
 834     char dmess[255];
 835     int eff;
 836     natid plane_owner;
 837     int dam;
 838
 839     dam = ac_flak_dam(flak, pln_def(pp), pcp->pl_flags);
 840     disp = 0;
 841     plane_owner = pp->pln_own;
 842     eff = pp->pln_effic;
 843     if (dam <= 0)
 844         return 0;
 845     memset(dmess, 0, sizeof(dmess));
 846     eff -= dam;
 847     if (eff < 0)
 848         eff = 0;
 849     if (eff < PLANE_MINEFF) {
 850         sprintf(dmess, " -- shot down");
 851         disp = 1;
 852     } else if (chance((100 - eff) / 100.0)) {
 853         sprintf(dmess, " -- aborted with %d%% damage", 100 - eff);
 854         disp = 2;
 855     }
 856     PR(plane_owner, "    Flak! %s %s takes %d%s.\n",
 857        cname(pp->pln_own), prplane(pp), dam, dmess);
 858
 859     pp->pln_effic = eff;
 860     if (disp == 1) {
 861         if (from != 0)
 862             nreport(from, N_DOWN_PLANE, pp->pln_own, 1);
 863     }
 864     putplane(pp->pln_uid, pp);
 865
 866     if (disp > 0)
 867         return 1;
 868     return 0;
 869 }