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

   1 /*
   2  *  Empire - A multi-player, client/server Internet based war game.
   3  *  Copyright (C) 1986-2008, Dave Pare, Jeff Bailey, Thomas Ruschak,
   4  *                           Ken Stevens, Steve McClure
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  *  ---
  21  *
  22  *  See files README, COPYING and CREDITS in the root of the source
  23  *  tree for related information and legal notices.  It is expected
  24  *  that future projects/authors will amend these files as needed.
  25  *
  26  *  ---
  27  *
  28  *  bomb.c: Fly bombing missions
  29  *
  30  *  Known contributors to this file:
  31  *     Dave Pare, 1986
  32  *     Ken Stevens, 1995
  33  *     Steve McClure, 1998-2000
  34  *     Markus Armbruster, 2004-2008
  35  */
  36
  37 #include <config.h>
  38
  39 #include <ctype.h>
  40 #include "commands.h"
  41 #include "damage.h"
  42 #include "item.h"
  43 #include "land.h"
  44 #include "news.h"
  45 #include "optlist.h"
  46 #include "path.h"
  47 #include "plane.h"
  48 #include "retreat.h"
  49 #include "ship.h"
  50
  51 static void pin_bomb(struct emp_qelem *list, struct sctstr *target);
  52 static void strat_bomb(struct emp_qelem *list, struct sctstr *target);
  53 static void comm_bomb(struct emp_qelem *list, struct sctstr *target);
  54 static void eff_bomb(struct emp_qelem *list, struct sctstr *target);
  55 static int pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp,
  56                                natid from, int flak);
  57 static void plane_bomb(struct emp_qelem *list, struct sctstr *target);
  58 static void land_bomb(struct emp_qelem *list, struct sctstr *target);
  59 static void ship_bomb(struct emp_qelem *list, struct sctstr *target);
  60
  61 static i_type bombcomm[] = {
  62     I_CIVIL,
  63     I_MILIT,
  64     I_SHELL,
  65     I_GUN,
  66     I_PETROL,
  67     I_IRON,
  68     I_DUST,
  69     I_BAR,
  70     I_FOOD,
  71     I_OIL,
  72     I_LCM,
  73     I_HCM,
  74     I_UW,
  75     I_RAD
  76 };
  77 static int nbomb = sizeof(bombcomm) / sizeof(*bombcomm);
  78
  79 int
  80 bomb(void)
  81 {
  82     char *p;
  83     int mission_flags;
  84     coord tx, ty;
  85     coord ax, ay;
  86     int ap_to_target;
  87     struct ichrstr *ip;
  88     char flightpath[MAX_PATH_LEN];
  89     struct nstr_item ni_bomb;
  90     struct nstr_item ni_esc;
  91     struct sctstr target;
  92     struct emp_qelem bomb_list;
  93     struct emp_qelem esc_list;
  94     int wantflags;
  95     struct sctstr ap_sect;
  96     char mission;
  97     int rel;
  98     struct natstr *natp;
  99     char buf[1024];
 100
 101     wantflags = 0;
 102     if (!snxtitem(&ni_bomb, EF_PLANE, player->argp[1]))
 103         return RET_SYN;
 104     if (!snxtitem(&ni_esc, EF_PLANE,
 105                   getstarg(player->argp[2], "escort(s)? ", buf)))
 106         pr("No escorts...\n");
 107     p = getstarg(player->argp[3], "pinpoint, or strategic? ", buf);
 108     if (!p || !*p)
 109         return RET_SYN;
 110     mission = *p;
 111     if (strchr("ps", mission) == 0)
 112         return RET_SYN;
 113     if (!get_assembly_point(player->argp[4], &ap_sect, buf))
 114         return RET_SYN;
 115     ax = ap_sect.sct_x;
 116     ay = ap_sect.sct_y;
 117     if (getpath(flightpath, player->argp[5], ax, ay, 0, 0, P_FLYING) == 0
 118         || *flightpath == 0)
 119         return RET_SYN;
 120     tx = ax;
 121     ty = ay;
 122     (void)pathtoxy(flightpath, &tx, &ty, fcost);
 123     pr("target sector is %s\n", xyas(tx, ty, player->cnum));
 124     getsect(tx, ty, &target);
 125     ip = 0;
 126     ap_to_target = strlen(flightpath);
 127     if (flightpath[ap_to_target - 1] == 'h')
 128         ap_to_target--;
 129     pr("range to target is %d\n", ap_to_target);
 130     /*
 131      * select planes within range
 132      */
 133     mission_flags = 0;
 134     pln_sel(&ni_bomb, &bomb_list, &ap_sect, ap_to_target,
 135             2, wantflags, P_M | P_O);
 136     pln_sel(&ni_esc, &esc_list, &ap_sect, ap_to_target,
 137             2, wantflags | P_F | P_ESC, P_M | P_O);
 138     /*
 139      * now arm and equip the bombers, transports, whatever.
 140      */
 141     mission_flags |= P_X;       /* stealth (shhh) */
 142     mission_flags |= P_H;       /* gets turned off if not all choppers */
 143     mission_flags = pln_arm(&bomb_list, 2 * ap_to_target, mission,
 144                             ip, 0, mission_flags);
 145     if (QEMPTY(&bomb_list)) {
 146         pr("No planes could be equipped for the mission.\n");
 147         return RET_FAIL;
 148     }
 149     mission_flags = pln_arm(&esc_list, 2 * ap_to_target, mission,
 150                             ip, P_F | P_ESC, mission_flags);
 151     ac_encounter(&bomb_list, &esc_list, ax, ay,
 152                  flightpath, mission_flags, 0);
 153     if (QEMPTY(&bomb_list)) {
 154         pr("No planes got through fighter defenses\n");
 155     } else if (target.sct_type == SCT_SANCT) {
 156         pr("You can't bomb that sector!\n");
 157     } else {
 158         switch (mission) {
 159         case 'p':
 160             pin_bomb(&bomb_list, &target);
 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     struct plist *plp;
 199     int nsubs;
 200     int nunits;
 201     struct natstr *natp;
 202     int rel;
 203     char buf[1024];
 204     int i;
 205
 206     bad = 0;
 207     type = target->sct_type;
 208     dcp = &dchr[type];
 209     pr("Target sector is a %s constructed %s\n",
 210        effadv((int)target->sct_effic), dcp->d_name);
 211     nsubs = 0;
 212     plp = (struct plist *)list->q_forw;
 213     nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 214     if (plp->pcp->pl_flags & P_A) {
 215         nsubs = shipsatxy(target->sct_x, target->sct_y, M_SUB, 0, 1);
 216         if (nsubs > 0)
 217             pr("Some subs are present in the sector.\n");
 218     }
 219     nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
 220     nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 221   retry:
 222     p = getstring("Bomb what? (ship, plane, land unit, efficiency, commodities) ",
 223                   buf);
 224     if (!p)
 225        return;
 226     if (!*p) {
 227         bad++;
 228         if (bad > 2)
 229             return;
 230         goto retry;
 231     }
 232     switch (*p) {
 233     case 'l':
 234         if (opt_SLOW_WAR) {
 235             natp = getnatp(player->cnum);
 236             if (target->sct_own) {
 237                 rel = getrel(natp, target->sct_own);
 238                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 239                     && (target->sct_own) &&
 240                     (target->sct_oldown != player->cnum)) {
 241                     pr("You're not at war with them!\n");
 242                     goto retry;
 243                 }
 244             }
 245         }
 246         if (nunits == 0) {
 247             pr("no units there\n");
 248             goto retry;
 249         }
 250         land_bomb(list, target);
 251         break;
 252     case 'p':
 253         if (opt_SLOW_WAR) {
 254             natp = getnatp(player->cnum);
 255             if (target->sct_own) {
 256                 rel = getrel(natp, target->sct_own);
 257                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 258                     && (target->sct_own) &&
 259                     (target->sct_oldown != player->cnum)) {
 260                     pr("You're not at war with them!\n");
 261                     goto retry;
 262                 }
 263             }
 264         }
 265         if (nplanes == 0) {
 266             pr("no planes there\n");
 267             goto retry;
 268         }
 269         plane_bomb(list, target);
 270         break;
 271     case 's':
 272         if (nships == 0) {
 273             if (((struct plist *)list->q_forw)->pcp->pl_flags & P_A) {
 274                 if (nsubs == 0) {
 275                     pr("no ships there\n");
 276                     goto retry;
 277                 }
 278             } else {
 279                 pr("no ships there\n");
 280                 goto retry;
 281             }
 282         }
 283         ship_bomb(list, target);
 284         break;
 285     case 'c':
 286         if (opt_SLOW_WAR) {
 287             natp = getnatp(player->cnum);
 288             if (target->sct_own) {
 289                 rel = getrel(natp, target->sct_own);
 290                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 291                     && (target->sct_own) &&
 292                     (target->sct_oldown != player->cnum)) {
 293                     pr("You're not at war with them!\n");
 294                     goto retry;
 295                 }
 296             }
 297         }
 298
 299         for (i = 0; i < nbomb; i++) {
 300             if (!target->sct_item[bombcomm[i]])
 301                 continue;
 302             break;
 303         }
 304         if (i >= nbomb) {
 305             pr("No bombable commodities in %s\n",
 306                xyas(target->sct_x, target->sct_y, player->cnum));
 307             goto retry;
 308         }
 309         comm_bomb(list, target);
 310         break;
 311     case 'e':
 312         if (opt_SLOW_WAR) {
 313             natp = getnatp(player->cnum);
 314             if (target->sct_own) {
 315                 rel = getrel(natp, target->sct_own);
 316                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 317                     && (target->sct_own) &&
 318                     (target->sct_oldown != player->cnum)) {
 319                     pr("You're not at war with them!\n");
 320                     goto retry;
 321                 }
 322             }
 323         }
 324         eff_bomb(list, target);
 325         break;
 326     case 'q':
 327         pr("Aborting mission.\n");
 328         return;
 329     default:
 330         pr("Bad target type.\n");
 331         goto retry;
 332     }
 333 }
 334
 335 static void
 336 eff_bomb(struct emp_qelem *list, struct sctstr *target)
 337 {
 338     struct plist *plp;
 339     struct emp_qelem *qp;
 340     struct sctstr sect;
 341     int oldeff, dam = 0;
 342     int nukedam;
 343
 344     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 345         plp = (struct plist *)qp;
 346         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 347             continue;
 348         if (plp->bombs || plp->plane.pln_nuketype != -1)
 349             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 350                               'p', &nukedam, 1);
 351     }
 352     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 353         return;
 354     getsect(target->sct_x, target->sct_y, &sect);
 355     target = &sect;
 356     oldeff = target->sct_effic;
 357     target->sct_effic = effdamage(target->sct_effic, dam);
 358     target->sct_avail = effdamage(target->sct_avail, dam);
 359     target->sct_road = effdamage(target->sct_road, dam);
 360     target->sct_rail = effdamage(target->sct_rail, dam);
 361     target->sct_defense = effdamage(target->sct_defense, dam);
 362     pr("did %d%% damage to efficiency in %s\n",
 363        oldeff - target->sct_effic,
 364        xyas(target->sct_x, target->sct_y, player->cnum));
 365     if (target->sct_own)
 366         wu(0, target->sct_own,
 367            "%s bombing raid did %d%% damage in %s\n",
 368            cname(player->cnum), oldeff - target->sct_effic,
 369            xyas(target->sct_x, target->sct_y, target->sct_own));
 370     bridge_damaged(target);
 371     putsect(&sect);
 372     collateral_damage(target->sct_x, target->sct_y, dam);
 373 }
 374
 375 static void
 376 comm_bomb(struct emp_qelem *list, struct sctstr *target)
 377 {
 378     struct plist *plp;
 379     double b;
 380     int i;
 381     int amt, before;
 382     struct ichrstr *ip;
 383     struct emp_qelem *qp;
 384     struct sctstr sect;
 385     int dam = 0;
 386     int nukedam;
 387
 388     for (i = 0; i < nbomb; i++) {
 389         if (target->sct_item[bombcomm[i]] == 0)
 390             continue;
 391         if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 392             continue;
 393         ip = &ichr[bombcomm[i]];
 394         pr("some %s\n", ip->i_name);
 395     }
 396     for (;;) {
 397         ip = whatitem(NULL, "commodity to bomb? ");
 398         if (player->aborted)
 399             return;
 400         if (!ip)
 401             continue;
 402
 403         for (i = 0; i < nbomb; i++) {
 404             if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 405                 continue;
 406             if (&ichr[bombcomm[i]] == ip)
 407                 break;
 408         }
 409         if (i == nbomb) {
 410             pr("You can't bomb %s!\n", ip->i_name);
 411             for (i = 0; i < nbomb; i++) {
 412                 if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 413                     continue;
 414                 pr("%s%s", i == 0 ? "Bombable: " : ", ",
 415                    ichr[bombcomm[i]].i_name);
 416             }
 417             pr("\n");
 418         } else
 419             break;
 420     }
 421     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 422         plp = (struct plist *)qp;
 423         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 424             continue;
 425         if (plp->bombs || plp->plane.pln_nuketype != -1)
 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;
 460     int shipno;
 461     int ignore;
 462     struct shpstr ship;
 463     int nships = 0;
 464     struct shiplist *head = NULL;
 465     char buf[1024];
 466     char prompt[128];
 467     int hitchance;
 468     int nukedam;
 469     int flak;
 470     int gun;
 471     int shell;
 472
 473     for (qp = list->q_forw; qp != list && !player->aborted;
 474          qp = qp->q_forw) {
 475         free_shiplist(&head);
 476         plp = (struct plist *)qp;
 477         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 478             continue;
 479         if (plp->pcp->pl_flags & P_A)
 480             nships = asw_shipsatxy(target->sct_x, target->sct_y, 0, 0,
 481                                    &plp->plane, &head);
 482         else
 483             nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 484         if (nships == 0) {
 485             pr("%s could not find any ships!\n", prplane(&plp->plane));
 486             continue;
 487         }
 488         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 489                       prplane(&plp->plane), plp->bombs);
 490         ignore = 0;
 491         shipno = -1;
 492         while (shipno < 0 && !player->aborted && !ignore) {
 493             if ((q = getstring(prompt, buf)) == 0 || *q == 0)
 494                 continue;
 495             if (*q == '~') {
 496                 ignore = 1;
 497                 continue;
 498             }
 499             if (*q == '?') {
 500                 if (plp->pcp->pl_flags & P_A)
 501                     print_shiplist(head);
 502                 else
 503                     shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 504                 continue;
 505             }
 506             if (*q == 'd')
 507                 goto next;
 508             if (!isdigit(*q))
 509                 continue;
 510             n = atoi(q);
 511             if (n < 0)
 512                 continue;
 513             if ((plp->pcp->pl_flags & P_A) && !on_shiplist(n, head))
 514                 continue;
 515             if (getship(n, &ship) && ship.shp_own &&
 516                 ship.shp_x == target->sct_x && ship.shp_y == target->sct_y)
 517                 shipno = n;
 518         }
 519         if (shipno < 0)
 520             continue;
 521         if ((plp->pcp->pl_flags & P_A) && !on_shiplist(shipno, head))
 522             continue;
 523
 524         shell = 0;
 525         gun = shp_usable_guns(&ship);
 526         if (gun > 0) {
 527             shell = ship.shp_item[I_SHELL];
 528             if (shell <= 0)
 529                 shell = supply_commod(ship.shp_own,
 530                                       ship.shp_x, ship.shp_y, I_SHELL, 1);
 531         }
 532         mcp = &mchr[(int)ship.shp_type];
 533         if (gun > 0 && shell > 0 && !(mcp->m_flags & M_SUB)) {
 534             flak = (int)(techfact(ship.shp_tech, gun) * 2.0);
 535             ship.shp_item[I_SHELL] = shell;
 536             putship(ship.shp_uid, &ship);
 537             PR(ship.shp_own, "Flak! Firing %d guns from ship %s\n",
 538                flak, prship(&ship));
 539             if (pinflak_planedamage(&plp->plane, plp->pcp, ship.shp_own, flak))
 540                 continue;
 541         }
 542
 543         dam = 0;
 544         if (plp->plane.pln_nuketype != -1)
 545             hitchance = 100;
 546         else {
 547             hitchance = pln_hitchance(&plp->plane,
 548                                       shp_hardtarget(&ship), EF_SHIP);
 549             pr("%d%% hitchance...", hitchance);
 550         }
 551         if (roll(100) <= hitchance) {
 552             /* pinbombing is more accurate than normal bombing */
 553             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 554                                  'p', &nukedam, 1);
 555         } else {
 556             pr("splash\n");
 557             /* Bombs that miss have to land somewhere! */
 558             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 559                              'p', &nukedam, 0);
 560             collateral_damage(target->sct_x, target->sct_y, dam);
 561             dam = 0;
 562         }
 563         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 564             continue;
 565         if (mcp->m_flags & M_SUB)
 566             nreport(player->cnum, N_SUB_BOMB, ship.shp_own, 1);
 567         else
 568             nreport(player->cnum, N_SHP_BOMB, ship.shp_own, 1);
 569         if (ship.shp_own) {
 570             wu(0, ship.shp_own, "%s bombs did %d damage to %s at %s\n",
 571                cname(player->cnum), dam,
 572                prship(&ship),
 573                xyas(target->sct_x, target->sct_y, ship.shp_own));
 574         }
 575         pr("\n");
 576         check_retreat_and_do_shipdamage(&ship, dam);
 577         if (ship.shp_rflags & RET_BOMBED)
 578             if (((ship.shp_rflags & RET_INJURED) == 0) || !dam)
 579                 retreat_ship(&ship, 'b');
 580         putship(ship.shp_uid, &ship);
 581         getship(ship.shp_uid, &ship);
 582         if (!ship.shp_own) {
 583             pr("%s at %s sunk!\n",
 584                prship(&ship),
 585                xyas(target->sct_x, target->sct_y, player->cnum));
 586         }
 587         collateral_damage(target->sct_x, target->sct_y, dam / 2);
 588       next:
 589         ;
 590     }
 591     free_shiplist(&head);
 592 }
 593
 594 static void
 595 plane_bomb(struct emp_qelem *list, struct sctstr *target)
 596 {
 597     int dam;
 598     char *q;
 599     int n;
 600     natid own;
 601     struct plnstr plane;
 602     struct emp_qelem *qp;
 603     int planeno;
 604     int ignore;
 605     struct plist *plp;
 606     char prompt[128];
 607     char buf[1024];
 608     int hitchance;
 609     int nukedam;
 610     int nplanes;
 611
 612     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 613         plp = (struct plist *)qp;
 614         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 615             continue;
 616         nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
 617         if (nplanes == 0) {
 618             pr("%s could not find any planes!\n", prplane(&plp->plane));
 619             continue;
 620         }
 621         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 622                       prplane(&plp->plane), plp->bombs);
 623         planeno = -1;
 624         ignore = 0;
 625         while (planeno < 0 && !player->aborted && !ignore) {
 626             if ((q = getstring(prompt, buf)) == 0 || *q == 0)
 627                 continue;
 628             if (*q == '~') {
 629                 ignore = 1;
 630                 continue;
 631             }
 632             if (*q == '?') {
 633                 planesatxy(target->sct_x, target->sct_y, 0, 0);
 634                 continue;
 635             }
 636             if (*q == 'd')
 637                 goto next;
 638             n = atoi(q);
 639             if (n < 0)
 640                 continue;
 641             if (getplane(n, &plane) &&
 642                 plane.pln_x == target->sct_x &&
 643                 plane.pln_y == target->sct_y &&
 644                 !(plane.pln_flags & PLN_LAUNCHED))
 645                 planeno = n;
 646             else
 647                 pr("Plane #%d not spotted\n", n);
 648         }
 649         if (planeno < 0)
 650             continue;
 651         dam = 0;
 652         if (plp->plane.pln_nuketype != -1)
 653             hitchance = 100;
 654         else {
 655             hitchance = pln_hitchance(&plp->plane, 0, EF_PLANE);
 656             pr("%d%% hitchance...", hitchance);
 657         }
 658         if (roll(100) <= hitchance) {
 659             /* pinbombing is more accurate than normal bombing */
 660             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 661                                  'p', &nukedam, 1);
 662         } else {
 663             pr("thud\n");
 664             /* Bombs that miss have to land somewhere! */
 665             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 666                              'p', &nukedam, 0);
 667             collateral_damage(target->sct_x, target->sct_y, dam);
 668             dam = 0;
 669         }
 670         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 671             continue;
 672         if (dam > 100)
 673             dam = 100;
 674         own = plane.pln_own;
 675         if (dam > plane.pln_effic)
 676             plane.pln_effic = 0;
 677         else
 678             plane.pln_effic -= dam;
 679         plane.pln_mobil = (dam * plane.pln_mobil / 100.0);
 680         if (own == player->cnum) {
 681             pr("%s reports %d%% damage\n", prplane(&plane), dam);
 682         } else {
 683             if (own != 0)
 684                 wu(0, own,
 685                    "%s pinpoint bombing raid did %d%% damage to %s\n",
 686                    cname(player->cnum), dam, prplane(&plane));
 687         }
 688         nreport(player->cnum, N_DOWN_PLANE, own, 1);
 689         if (own != 0)
 690             wu(0, own, "%s bombs did %d%% damage to %s at %s\n",
 691                cname(player->cnum), dam, prplane(&plane),
 692                xyas(target->sct_x, target->sct_y, own));
 693         putplane(plane.pln_uid, &plane);
 694         collateral_damage(target->sct_x, target->sct_y, dam);
 695       next:
 696         ;
 697     }
 698 }
 699
 700 static void
 701 land_bomb(struct emp_qelem *list, struct sctstr *target)
 702 {
 703     int dam;
 704     char *q;
 705     int n;
 706     natid own;
 707     char prompt[128];
 708     char buf[1024];
 709     struct lndstr land;
 710     struct emp_qelem *qp;
 711     int unitno;
 712     int ignore, aaf, flak, hitchance;
 713     struct plist *plp;
 714     int nukedam;
 715     int nunits;
 716
 717     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 718         plp = (struct plist *)qp;
 719         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 720             continue;
 721         nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 722         if (nunits == 0) {
 723             pr("%s could not find any units!\n", prplane(&plp->plane));
 724             continue;
 725         }
 726         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 727                       prplane(&plp->plane), plp->bombs);
 728         unitno = -1;
 729         ignore = 0;
 730         while (unitno < 0 && !player->aborted && !ignore) {
 731             if ((q = getstring(prompt, buf)) == 0 || *q == 0)
 732                 continue;
 733             if (*q == '~') {
 734                 ignore = 1;
 735                 continue;
 736             }
 737             if (*q == '?') {
 738                 unitsatxy(target->sct_x, target->sct_y, 0, 0);
 739                 continue;
 740             }
 741             if (*q == 'd')
 742                 goto next;
 743             n = atoi(q);
 744             if (n < 0)
 745                 continue;
 746             if (getland(n, &land) && land.lnd_own &&
 747                 land.lnd_x == target->sct_x && land.lnd_y == target->sct_y)
 748                 unitno = n;
 749             else
 750                 pr("Unit #%d not spotted\n", n);
 751         }
 752         if (unitno < 0)
 753             continue;
 754
 755         aaf = lnd_aaf(&land);
 756         flak = (int)(techfact(land.lnd_tech, aaf) * 3.0);
 757         if (flak) {
 758             PR(land.lnd_own,
 759                "Flak! Firing flak guns from unit %s (aa rating %d)\n",
 760                prland(&land), aaf);
 761             if (pinflak_planedamage(&plp->plane, plp->pcp, land.lnd_own, flak))
 762                 continue;
 763         }
 764
 765         dam = 0;
 766         if (plp->plane.pln_nuketype != -1)
 767             hitchance = 100;
 768         else {
 769             hitchance = pln_hitchance(&plp->plane,
 770                                       lnd_hardtarget(&land), EF_LAND);
 771             pr("%d%% hitchance...", hitchance);
 772         }
 773         if (roll(100) <= hitchance) {
 774             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 775                                  'p', &nukedam, 1);
 776         } else {
 777             pr("thud\n");
 778             /* Bombs that miss have to land somewhere! */
 779             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 780                              'p', &nukedam, 0);
 781             collateral_damage(target->sct_x, target->sct_y, dam);
 782             dam = 0;
 783         }
 784         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 785             continue;
 786         if (dam > 100)
 787             dam = 100;
 788         own = land.lnd_own;
 789         mpr(own, "%s pinpoint bombing raid did %d damage to %s\n",
 790             cname(player->cnum), dam, prland(&land));
 791         check_retreat_and_do_landdamage(&land, dam);
 792
 793         if (land.lnd_rflags & RET_BOMBED)
 794             if (((land.lnd_rflags & RET_INJURED) == 0) || !dam)
 795                 retreat_land(&land, 'b');
 796         nreport(player->cnum, N_UNIT_BOMB, own, 1);
 797         putland(land.lnd_uid, &land);
 798         collateral_damage(target->sct_x, target->sct_y, dam);
 799       next:
 800         ;
 801     }
 802 }
 803
 804 static void
 805 strat_bomb(struct emp_qelem *list, struct sctstr *target)
 806 {
 807     struct plist *plp;
 808     int dam = 0;
 809     struct emp_qelem *qp;
 810     struct sctstr sect;
 811     int nukedam;
 812
 813     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 814         plp = (struct plist *)qp;
 815         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 816             continue;
 817         if (plp->bombs || plp->plane.pln_nuketype != -1)
 818             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 819                               's', &nukedam, 1);
 820     }
 821     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 822         return;
 823     getsect(target->sct_x, target->sct_y, &sect);
 824     target = &sect;
 825     if (target->sct_own)
 826         wu(0, target->sct_own, "%s bombing raid did %d damage in %s\n",
 827            cname(player->cnum), PERCENT_DAMAGE(dam),
 828            xyas(target->sct_x, target->sct_y, target->sct_own));
 829
 830     sectdamage(target, dam);
 831
 832     pr("did %d damage in %s\n", PERCENT_DAMAGE(dam),
 833        xyas(target->sct_x, target->sct_y, player->cnum));
 834     putsect(&sect);
 835 }
 836
 837 static int
 838 pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp, natid from,
 839                     int flak)
 840 {
 841     int disp;
 842     char dmess[255];
 843     int eff;
 844     natid plane_owner;
 845     int dam;
 846
 847     dam = ac_flak_dam(flak, pln_def(pp), pcp->pl_flags);
 848     disp = 0;
 849     plane_owner = pp->pln_own;
 850     eff = pp->pln_effic;
 851     if (dam <= 0)
 852         return 0;
 853     memset(dmess, 0, sizeof(dmess));
 854     eff -= dam;
 855     if (eff < 0)
 856         eff = 0;
 857     if (eff < PLANE_MINEFF) {
 858         sprintf(dmess, " -- shot down");
 859         disp = 1;
 860     } else if (chance((100 - eff) / 100.0)) {
 861         sprintf(dmess, " -- aborted with %d%% damage", 100 - eff);
 862         disp = 2;
 863     }
 864     PR(plane_owner, "    Flak! %s %s takes %d%s.\n",
 865        cname(pp->pln_own), prplane(pp), dam, dmess);
 866
 867     pp->pln_effic = eff;
 868     if (disp == 1) {
 869         if (from != 0)
 870             nreport(from, N_DOWN_PLANE, pp->pln_own, 1);
 871     }
 872     putplane(pp->pln_uid, pp);
 873
 874     if (disp > 0)
 875         return 1;
 876     return 0;
 877 }