git.pond.sub.org Git - empserver/blob - src/lib/commands/bomb.c

   1 /*
   2  *  Empire - A multi-player, client/server Internet based war game.
   3  *  Copyright (C) 1986-2008, Dave Pare, Jeff Bailey, Thomas Ruschak,
   4  *                           Ken Stevens, Steve McClure
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  *  ---
  21  *
  22  *  See files README, COPYING and CREDITS in the root of the source
  23  *  tree for related information and legal notices.  It is expected
  24  *  that future projects/authors will amend these files as needed.
  25  *
  26  *  ---
  27  *
  28  *  bomb.c: Fly bombing missions
  29  *
  30  *  Known contributors to this file:
  31  *     Dave Pare, 1986
  32  *     Ken Stevens, 1995
  33  *     Steve McClure, 1998-2000
  34  */
  35
  36 #include <config.h>
  37
  38 #include <ctype.h>
  39 #include "commands.h"
  40 #include "damage.h"
  41 #include "item.h"
  42 #include "land.h"
  43 #include "news.h"
  44 #include "optlist.h"
  45 #include "path.h"
  46 #include "plane.h"
  47 #include "retreat.h"
  48 #include "ship.h"
  49
  50 static void pin_bomb(struct emp_qelem *list, struct sctstr *target);
  51 static void strat_bomb(struct emp_qelem *list, struct sctstr *target);
  52 static void comm_bomb(struct emp_qelem *list, struct sctstr *target);
  53 static void eff_bomb(struct emp_qelem *list, struct sctstr *target);
  54 static int pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp,
  55                                natid from, int flak);
  56 static void plane_bomb(struct emp_qelem *list, struct sctstr *target);
  57 static void land_bomb(struct emp_qelem *list, struct sctstr *target);
  58 static void ship_bomb(struct emp_qelem *list, struct sctstr *target);
  59
  60 static i_type bombcomm[] = {
  61     I_CIVIL,
  62     I_MILIT,
  63     I_SHELL,
  64     I_GUN,
  65     I_PETROL,
  66     I_IRON,
  67     I_DUST,
  68     I_BAR,
  69     I_FOOD,
  70     I_OIL,
  71     I_LCM,
  72     I_HCM,
  73     I_UW,
  74     I_RAD
  75 };
  76 static int nbomb = sizeof(bombcomm) / sizeof(*bombcomm);
  77
  78 int
  79 bomb(void)
  80 {
  81     char *p;
  82     int mission_flags;
  83     coord tx, ty;
  84     coord ax, ay;
  85     int ap_to_target;
  86     struct ichrstr *ip;
  87     char flightpath[MAX_PATH_LEN];
  88     struct nstr_item ni_bomb;
  89     struct nstr_item ni_esc;
  90     struct sctstr target;
  91     struct emp_qelem bomb_list;
  92     struct emp_qelem esc_list;
  93     int wantflags;
  94     struct sctstr ap_sect;
  95     char mission;
  96     int rel;
  97     struct natstr *natp;
  98     char buf[1024];
  99
 100     wantflags = 0;
 101     if (!snxtitem(&ni_bomb, EF_PLANE, player->argp[1]))
 102         return RET_SYN;
 103     if (!snxtitem(&ni_esc, EF_PLANE,
 104                   getstarg(player->argp[2], "escort(s)? ", buf)))
 105         pr("No escorts...\n");
 106     p = getstarg(player->argp[3], "pinpoint, or strategic? ", buf);
 107     if (!p)
 108         return RET_SYN;
 109     mission = *p;
 110     if (strchr("ps", mission) == 0)
 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) == 0
 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     ip = 0;
 125     ap_to_target = strlen(flightpath);
 126     if (flightpath[ap_to_target - 1] == 'h')
 127         ap_to_target--;
 128     pr("range to target is %d\n", ap_to_target);
 129     /*
 130      * select planes within range
 131      */
 132     mission_flags = 0;
 133     pln_sel(&ni_bomb, &bomb_list, &ap_sect, ap_to_target,
 134             2, wantflags, P_M | P_O);
 135     pln_sel(&ni_esc, &esc_list, &ap_sect, ap_to_target,
 136             2, wantflags | P_F | P_ESC, P_M | P_O);
 137     /*
 138      * now arm and equip the bombers, transports, whatever.
 139      */
 140     mission_flags |= P_X;       /* stealth (shhh) */
 141     mission_flags |= P_H;       /* gets turned off if not all choppers */
 142     mission_flags = pln_arm(&bomb_list, 2 * ap_to_target, mission,
 143                             ip, 0, mission_flags);
 144     if (QEMPTY(&bomb_list)) {
 145         pr("No planes could be equipped for the mission.\n");
 146         return RET_FAIL;
 147     }
 148     mission_flags = pln_arm(&esc_list, 2 * ap_to_target, mission,
 149                             ip, P_F | P_ESC, mission_flags);
 150     ac_encounter(&bomb_list, &esc_list, ax, ay,
 151                  flightpath, mission_flags, 0);
 152     if (QEMPTY(&bomb_list)) {
 153         pr("No planes got through fighter defenses\n");
 154     } else if (target.sct_type == SCT_SANCT) {
 155         pr("You can't bomb that sector!\n");
 156     } else {
 157         switch (mission) {
 158         case 'p':
 159             pin_bomb(&bomb_list, &target);
 160             break;
 161         case 's':
 162             if (opt_SLOW_WAR) {
 163                 natp = getnatp(player->cnum);
 164                 if (target.sct_own) {
 165                     rel = getrel(natp, target.sct_own);
 166                     if ((rel != AT_WAR) && (player->cnum != target.sct_own)
 167                         && (target.sct_own) &&
 168                         (target.sct_oldown != player->cnum)) {
 169                         pr("You're not at war with them!\n");
 170                         pln_put(&bomb_list);
 171                         pln_put(&esc_list);
 172                         return RET_FAIL;
 173                     }
 174                 }
 175             }
 176             nreport(player->cnum, N_SCT_BOMB, target.sct_own, 1);
 177             strat_bomb(&bomb_list, &target);
 178             break;
 179         default:
 180             CANT_REACH();
 181         }
 182     }
 183     pln_put(&bomb_list);
 184     pln_put(&esc_list);
 185     return RET_OK;
 186 }
 187
 188 static void
 189 pin_bomb(struct emp_qelem *list, struct sctstr *target)
 190 {
 191     struct dchrstr *dcp;
 192     int nplanes;
 193     int nships;
 194     int type;
 195     int bad;
 196     char *p;
 197     struct plist *plp;
 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     plp = (struct plist *)list->q_forw;
 212     nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 213     if (plp->pcp->pl_flags & P_A) {
 214         nsubs = shipsatxy(target->sct_x, target->sct_y, M_SUB, 0, 1);
 215         if (nsubs > 0)
 216             pr("Some subs are present in the sector.\n");
 217     }
 218     nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
 219     nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 220   retry:
 221     p = getstring("Bomb what? (ship, plane, land unit, efficiency, commodities) ",
 222                   buf);
 223     if (p == 0 || *p == 0) {
 224         if (player->aborted)
 225             return;
 226         bad++;
 227         if (bad > 2)
 228             return;
 229         goto retry;
 230     }
 231     switch (*p) {
 232     case 'l':
 233         if (opt_SLOW_WAR) {
 234             natp = getnatp(player->cnum);
 235             if (target->sct_own) {
 236                 rel = getrel(natp, target->sct_own);
 237                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 238                     && (target->sct_own) &&
 239                     (target->sct_oldown != player->cnum)) {
 240                     pr("You're not at war with them!\n");
 241                     goto retry;
 242                 }
 243             }
 244         }
 245         if (nunits == 0) {
 246             pr("no units there\n");
 247             goto retry;
 248         }
 249         land_bomb(list, target);
 250         break;
 251     case 'p':
 252         if (opt_SLOW_WAR) {
 253             natp = getnatp(player->cnum);
 254             if (target->sct_own) {
 255                 rel = getrel(natp, target->sct_own);
 256                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 257                     && (target->sct_own) &&
 258                     (target->sct_oldown != player->cnum)) {
 259                     pr("You're not at war with them!\n");
 260                     goto retry;
 261                 }
 262             }
 263         }
 264         if (nplanes == 0) {
 265             pr("no planes there\n");
 266             goto retry;
 267         }
 268         plane_bomb(list, target);
 269         break;
 270     case 's':
 271         if (nships == 0) {
 272             if (((struct plist *)list->q_forw)->pcp->pl_flags & P_A) {
 273                 if (nsubs == 0) {
 274                     pr("no ships there\n");
 275                     goto retry;
 276                 }
 277             } else {
 278                 pr("no ships there\n");
 279                 goto retry;
 280             }
 281         }
 282         ship_bomb(list, target);
 283         break;
 284     case 'c':
 285         if (opt_SLOW_WAR) {
 286             natp = getnatp(player->cnum);
 287             if (target->sct_own) {
 288                 rel = getrel(natp, target->sct_own);
 289                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 290                     && (target->sct_own) &&
 291                     (target->sct_oldown != player->cnum)) {
 292                     pr("You're not at war with them!\n");
 293                     goto retry;
 294                 }
 295             }
 296         }
 297
 298         for (i = 0; i < nbomb; i++) {
 299             if (!target->sct_item[bombcomm[i]])
 300                 continue;
 301             break;
 302         }
 303         if (i >= nbomb) {
 304             pr("No bombable commodities in %s\n",
 305                xyas(target->sct_x, target->sct_y, player->cnum));
 306             goto retry;
 307         }
 308         comm_bomb(list, target);
 309         break;
 310     case 'e':
 311         if (opt_SLOW_WAR) {
 312             natp = getnatp(player->cnum);
 313             if (target->sct_own) {
 314                 rel = getrel(natp, target->sct_own);
 315                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 316                     && (target->sct_own) &&
 317                     (target->sct_oldown != player->cnum)) {
 318                     pr("You're not at war with them!\n");
 319                     goto retry;
 320                 }
 321             }
 322         }
 323         eff_bomb(list, target);
 324         break;
 325     case 'q':
 326         pr("Aborting mission.\n");
 327         return;
 328     default:
 329         pr("Bad target type.\n");
 330         goto retry;
 331     }
 332 }
 333
 334 static void
 335 eff_bomb(struct emp_qelem *list, struct sctstr *target)
 336 {
 337     struct plist *plp;
 338     struct emp_qelem *qp;
 339     struct sctstr sect;
 340     int oldeff, dam = 0;
 341     int nukedam;
 342
 343     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 344         plp = (struct plist *)qp;
 345         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 346             continue;
 347         if (plp->bombs || plp->plane.pln_nuketype != -1)
 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;
 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 = qp->q_forw) {
 421         plp = (struct plist *)qp;
 422         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 423             continue;
 424         if (plp->bombs || plp->plane.pln_nuketype != -1)
 425             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 426                               'p', &nukedam, 1);
 427     }
 428     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 429         return;
 430     getsect(target->sct_x, target->sct_y, &sect);
 431     target = &sect;
 432     before = target->sct_item[ip->i_uid];
 433     target->sct_item[ip->i_uid] = amt = commdamage(before, dam, ip->i_uid);
 434     if (before > 0.0)
 435         b = 100.0 * (1.0 - (double)amt / (double)before);
 436     else
 437         b = 0.0;
 438     pr("did %.2f%% damage to %s in %s\n",
 439        b, ip->i_name, xyas(target->sct_x, target->sct_y, player->cnum));
 440     nreport(player->cnum, N_SCT_BOMB, target->sct_own, 1);
 441     if (target->sct_own != 0)
 442         wu(0, target->sct_own,
 443            "%s precision bombing raid did %.2f%% damage to %s in %s\n",
 444            cname(player->cnum), b, ip->i_name,
 445            xyas(target->sct_x, target->sct_y, target->sct_own));
 446     putsect(&sect);
 447     collateral_damage(target->sct_x, target->sct_y, dam);
 448 }
 449
 450 static void
 451 ship_bomb(struct emp_qelem *list, struct sctstr *target)
 452 {
 453     struct plist *plp;
 454     struct mchrstr *mcp;
 455     int dam;
 456     char *q;
 457     int n;
 458     struct emp_qelem *qp;
 459     int shipno;
 460     int ignore;
 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     int shell;
 471
 472     for (qp = list->q_forw; qp != list && !player->aborted;
 473          qp = qp->q_forw) {
 474         free_shiplist(&head);
 475         plp = (struct plist *)qp;
 476         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 477             continue;
 478         if (plp->pcp->pl_flags & P_A)
 479             nships = asw_shipsatxy(target->sct_x, target->sct_y, 0, 0,
 480                                    &plp->plane, &head);
 481         else
 482             nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 483         if (nships == 0) {
 484             pr("%s could not find any ships!\n", prplane(&plp->plane));
 485             continue;
 486         }
 487         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 488                       prplane(&plp->plane), plp->bombs);
 489         ignore = 0;
 490         shipno = -1;
 491         while (shipno < 0 && !player->aborted && !ignore) {
 492             if ((q = getstring(prompt, buf)) == 0 || *q == 0)
 493                 continue;
 494             if (*q == '~') {
 495                 ignore = 1;
 496                 continue;
 497             }
 498             if (*q == '?') {
 499                 if (plp->pcp->pl_flags & P_A)
 500                     print_shiplist(head);
 501                 else
 502                     shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 503                 continue;
 504             }
 505             if (*q == 'd')
 506                 goto next;
 507             if (!isdigit(*q))
 508                 continue;
 509             n = atoi(q);
 510             if (n < 0)
 511                 continue;
 512             if ((plp->pcp->pl_flags & P_A) && !on_shiplist(n, head))
 513                 continue;
 514             if (getship(n, &ship) && ship.shp_x == target->sct_x &&
 515                 ship.shp_y == target->sct_y)
 516                 shipno = n;
 517         }
 518         if (shipno < 0)
 519             continue;
 520         if ((plp->pcp->pl_flags & P_A) && !on_shiplist(shipno, head))
 521             continue;
 522
 523         shell = 0;
 524         gun = shp_usable_guns(&ship);
 525         if (gun > 0) {
 526             shell = ship.shp_item[I_SHELL];
 527             if (shell <= 0)
 528                 shell = supply_commod(ship.shp_own,
 529                                       ship.shp_x, ship.shp_y, I_SHELL, 1);
 530         }
 531         mcp = &mchr[(int)ship.shp_type];
 532         if (gun > 0 && shell > 0 && !(mcp->m_flags & M_SUB)) {
 533             flak = (int)(techfact(ship.shp_tech, gun) * 2.0);
 534             ship.shp_item[I_SHELL] = shell;
 535             putship(ship.shp_uid, &ship);
 536             PR(ship.shp_own, "Flak! Firing %d guns from ship %s\n",
 537                flak, prship(&ship));
 538             if (pinflak_planedamage(&plp->plane, plp->pcp, ship.shp_own, flak))
 539                 continue;
 540         }
 541
 542         dam = 0;
 543         if (plp->plane.pln_nuketype != -1)
 544             hitchance = 100;
 545         else {
 546             hitchance = pln_hitchance(&plp->plane,
 547                                       shp_hardtarget(&ship), EF_SHIP);
 548             pr("%d%% hitchance...", hitchance);
 549         }
 550         if (roll(100) <= hitchance) {
 551             /* pinbombing is more accurate than normal bombing */
 552             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 553                                  'p', &nukedam, 1);
 554         } else {
 555             pr("splash\n");
 556             /* Bombs that miss have to land somewhere! */
 557             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 558                              'p', &nukedam, 0);
 559             collateral_damage(target->sct_x, target->sct_y, dam);
 560             dam = 0;
 561         }
 562         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 563             continue;
 564         if (mcp->m_flags & M_SUB)
 565             nreport(player->cnum, N_SUB_BOMB, ship.shp_own, 1);
 566         else
 567             nreport(player->cnum, N_SHP_BOMB, ship.shp_own, 1);
 568         if (ship.shp_own) {
 569             wu(0, ship.shp_own, "%s bombs did %d damage to %s at %s\n",
 570                cname(player->cnum), dam,
 571                prship(&ship),
 572                xyas(target->sct_x, target->sct_y, ship.shp_own));
 573         }
 574         pr("\n");
 575         check_retreat_and_do_shipdamage(&ship, dam);
 576         if (ship.shp_rflags & RET_BOMBED)
 577             if (((ship.shp_rflags & RET_INJURED) == 0) || !dam)
 578                 retreat_ship(&ship, 'b');
 579         putship(ship.shp_uid, &ship);
 580         getship(ship.shp_uid, &ship);
 581         if (!ship.shp_own) {
 582             pr("%s at %s sunk!\n",
 583                prship(&ship),
 584                xyas(target->sct_x, target->sct_y, player->cnum));
 585         }
 586         collateral_damage(target->sct_x, target->sct_y, dam / 2);
 587       next:
 588         ;
 589     }
 590     free_shiplist(&head);
 591 }
 592
 593 static void
 594 plane_bomb(struct emp_qelem *list, struct sctstr *target)
 595 {
 596     int dam;
 597     char *q;
 598     int n;
 599     natid own;
 600     struct plnstr plane;
 601     struct emp_qelem *qp;
 602     int planeno;
 603     int ignore;
 604     struct plist *plp;
 605     char prompt[128];
 606     char buf[1024];
 607     int hitchance;
 608     int nukedam;
 609     int nplanes;
 610
 611     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 612         plp = (struct plist *)qp;
 613         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 614             continue;
 615         nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
 616         if (nplanes == 0) {
 617             pr("%s could not find any planes!\n", prplane(&plp->plane));
 618             continue;
 619         }
 620         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 621                       prplane(&plp->plane), plp->bombs);
 622         planeno = -1;
 623         ignore = 0;
 624         while (planeno < 0 && !player->aborted && !ignore) {
 625             if ((q = getstring(prompt, buf)) == 0 || *q == 0)
 626                 continue;
 627             if (*q == '~') {
 628                 ignore = 1;
 629                 continue;
 630             }
 631             if (*q == '?') {
 632                 planesatxy(target->sct_x, target->sct_y, 0, 0);
 633                 continue;
 634             }
 635             if (*q == 'd')
 636                 goto next;
 637             n = atoi(q);
 638             if (n < 0)
 639                 continue;
 640             if (getplane(n, &plane) &&
 641                 plane.pln_x == target->sct_x &&
 642                 plane.pln_y == target->sct_y &&
 643                 !(plane.pln_flags & PLN_LAUNCHED))
 644                 planeno = n;
 645             else
 646                 pr("Plane #%d not spotted\n", n);
 647         }
 648         if (planeno < 0)
 649             continue;
 650         dam = 0;
 651         if (plp->plane.pln_nuketype != -1)
 652             hitchance = 100;
 653         else {
 654             hitchance = pln_hitchance(&plp->plane, 0, EF_PLANE);
 655             pr("%d%% hitchance...", hitchance);
 656         }
 657         if (roll(100) <= hitchance) {
 658             /* pinbombing is more accurate than normal bombing */
 659             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 660                                  'p', &nukedam, 1);
 661         } else {
 662             pr("thud\n");
 663             /* Bombs that miss have to land somewhere! */
 664             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 665                              'p', &nukedam, 0);
 666             collateral_damage(target->sct_x, target->sct_y, dam);
 667             dam = 0;
 668         }
 669         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 670             continue;
 671         if (dam > 100)
 672             dam = 100;
 673         own = plane.pln_own;
 674         if (dam > plane.pln_effic)
 675             plane.pln_effic = 0;
 676         else
 677             plane.pln_effic -= dam;
 678         plane.pln_mobil = (dam * plane.pln_mobil / 100.0);
 679         if (own == player->cnum) {
 680             pr("%s reports %d%% damage\n", prplane(&plane), dam);
 681         } else {
 682             if (own != 0)
 683                 wu(0, own,
 684                    "%s pinpoint bombing raid did %d%% damage to %s\n",
 685                    cname(player->cnum), dam, prplane(&plane));
 686         }
 687         nreport(player->cnum, N_DOWN_PLANE, own, 1);
 688         if (own != 0)
 689             wu(0, own, "%s bombs did %d%% damage to %s at %s\n",
 690                cname(player->cnum), dam, prplane(&plane),
 691                xyas(target->sct_x, target->sct_y, own));
 692         putplane(plane.pln_uid, &plane);
 693         collateral_damage(target->sct_x, target->sct_y, dam);
 694       next:
 695         ;
 696     }
 697 }
 698
 699 static void
 700 land_bomb(struct emp_qelem *list, struct sctstr *target)
 701 {
 702     int dam;
 703     char *q;
 704     int n;
 705     natid own;
 706     char prompt[128];
 707     char buf[1024];
 708     struct lndstr land;
 709     struct emp_qelem *qp;
 710     int unitno;
 711     int ignore, aaf, flak, hitchance;
 712     struct plist *plp;
 713     int nukedam;
 714     int nunits;
 715
 716     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 717         plp = (struct plist *)qp;
 718         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 719             continue;
 720         nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 721         if (nunits == 0) {
 722             pr("%s could not find any units!\n", prplane(&plp->plane));
 723             continue;
 724         }
 725         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 726                       prplane(&plp->plane), plp->bombs);
 727         unitno = -1;
 728         ignore = 0;
 729         while (unitno < 0 && !player->aborted && !ignore) {
 730             if ((q = getstring(prompt, buf)) == 0 || *q == 0)
 731                 continue;
 732             if (*q == '~') {
 733                 ignore = 1;
 734                 continue;
 735             }
 736             if (*q == '?') {
 737                 unitsatxy(target->sct_x, target->sct_y, 0, 0);
 738                 continue;
 739             }
 740             if (*q == 'd')
 741                 goto next;
 742             n = atoi(q);
 743             if (n < 0)
 744                 continue;
 745             if (getland(n, &land) &&
 746                 land.lnd_x == target->sct_x && land.lnd_y == target->sct_y)
 747                 unitno = n;
 748             else
 749                 pr("Unit #%d not spotted\n", n);
 750         }
 751         if (unitno < 0)
 752             continue;
 753
 754         aaf = lnd_aaf(&land);
 755         flak = (int)(techfact(land.lnd_tech, aaf) * 3.0);
 756         if (flak) {
 757             PR(land.lnd_own,
 758                "Flak! Firing flak guns from unit %s (aa rating %d)\n",
 759                prland(&land), aaf);
 760             if (pinflak_planedamage(&plp->plane, plp->pcp, land.lnd_own, flak))
 761                 continue;
 762         }
 763
 764         dam = 0;
 765         if (plp->plane.pln_nuketype != -1)
 766             hitchance = 100;
 767         else {
 768             hitchance = pln_hitchance(&plp->plane,
 769                                       lnd_hardtarget(&land), EF_LAND);
 770             pr("%d%% hitchance...", hitchance);
 771         }
 772         if (roll(100) <= hitchance) {
 773             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 774                                  'p', &nukedam, 1);
 775         } else {
 776             pr("thud\n");
 777             /* Bombs that miss have to land somewhere! */
 778             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 779                              'p', &nukedam, 0);
 780             collateral_damage(target->sct_x, target->sct_y, dam);
 781             dam = 0;
 782         }
 783         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 784             continue;
 785         if (dam > 100)
 786             dam = 100;
 787         own = land.lnd_own;
 788         mpr(own, "%s pinpoint bombing raid did %d damage to %s\n",
 789             cname(player->cnum), dam, prland(&land));
 790         check_retreat_and_do_landdamage(&land, dam);
 791
 792         if (land.lnd_rflags & RET_BOMBED)
 793             if (((land.lnd_rflags & RET_INJURED) == 0) || !dam)
 794                 retreat_land(&land, 'b');
 795         nreport(player->cnum, N_UNIT_BOMB, own, 1);
 796         putland(land.lnd_uid, &land);
 797         collateral_damage(target->sct_x, target->sct_y, dam);
 798       next:
 799         ;
 800     }
 801 }
 802
 803 static void
 804 strat_bomb(struct emp_qelem *list, struct sctstr *target)
 805 {
 806     struct plist *plp;
 807     int dam = 0;
 808     struct emp_qelem *qp;
 809     struct sctstr sect;
 810     int nukedam;
 811
 812     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 813         plp = (struct plist *)qp;
 814         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 815             continue;
 816         if (plp->bombs || plp->plane.pln_nuketype != -1)
 817             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 818                               's', &nukedam, 1);
 819     }
 820     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 821         return;
 822     getsect(target->sct_x, target->sct_y, &sect);
 823     target = &sect;
 824     if (target->sct_own)
 825         wu(0, target->sct_own, "%s bombing raid did %d damage in %s\n",
 826            cname(player->cnum), PERCENT_DAMAGE(dam),
 827            xyas(target->sct_x, target->sct_y, target->sct_own));
 828
 829     sectdamage(target, dam);
 830
 831     pr("did %d damage in %s\n", PERCENT_DAMAGE(dam),
 832        xyas(target->sct_x, target->sct_y, player->cnum));
 833     putsect(&sect);
 834 }
 835
 836 static int
 837 pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp, natid from,
 838                     int flak)
 839 {
 840     int disp;
 841     char dmess[255];
 842     int eff;
 843     natid plane_owner;
 844     int dam;
 845
 846     dam = ac_flak_dam(flak, pln_def(pp), pcp->pl_flags);
 847     disp = 0;
 848     plane_owner = pp->pln_own;
 849     eff = pp->pln_effic;
 850     if (dam <= 0)
 851         return 0;
 852     memset(dmess, 0, sizeof(dmess));
 853     eff -= dam;
 854     if (eff < 0)
 855         eff = 0;
 856     if (eff < PLANE_MINEFF) {
 857         sprintf(dmess, " -- shot down");
 858         disp = 1;
 859     } else if (chance((100 - eff) / 100.0)) {
 860         sprintf(dmess, " -- aborted with %d%% damage", 100 - eff);
 861         disp = 2;
 862     }
 863     PR(plane_owner, "    Flak! %s %s takes %d%s.\n",
 864        cname(pp->pln_own), prplane(pp), dam, dmess);
 865
 866     pp->pln_effic = eff;
 867     if (disp == 1) {
 868         if (from != 0)
 869             nreport(from, N_DOWN_PLANE, pp->pln_own, 1);
 870     }
 871     putplane(pp->pln_uid, pp);
 872
 873     if (disp > 0)
 874         return 1;
 875     return 0;
 876 }