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, 2004-2008
  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 "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 *list, struct sctstr *target);
  53 static void strat_bomb(struct emp_qelem *list, struct sctstr *target);
  54 static void comm_bomb(struct emp_qelem *list, struct sctstr *target);
  55 static void eff_bomb(struct emp_qelem *list, struct sctstr *target);
  56 static int pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp,
  57                                natid from, int flak);
  58 static void plane_bomb(struct emp_qelem *list, struct sctstr *target);
  59 static void land_bomb(struct emp_qelem *list, struct sctstr *target);
  60 static void ship_bomb(struct emp_qelem *list, struct sctstr *target);
  61
  62 static i_type bombcomm[] = {
  63     I_CIVIL,
  64     I_MILIT,
  65     I_SHELL,
  66     I_GUN,
  67     I_PETROL,
  68     I_IRON,
  69     I_DUST,
  70     I_BAR,
  71     I_FOOD,
  72     I_OIL,
  73     I_LCM,
  74     I_HCM,
  75     I_UW,
  76     I_RAD
  77 };
  78 static int nbomb = sizeof(bombcomm) / sizeof(*bombcomm);
  79
  80 int
  81 bomb(void)
  82 {
  83     char *p;
  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 (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) == 0)
 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) == 0
 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     ip = 0;
 123     ap_to_target = strlen(flightpath);
 124     if (flightpath[ap_to_target - 1] == 'h')
 125         ap_to_target--;
 126     pr("range to target is %d\n", ap_to_target);
 127     /*
 128      * select planes within range
 129      */
 130     pln_sel(&ni_bomb, &bomb_list, &ap_sect, ap_to_target,
 131             2, wantflags, P_M | P_O);
 132     pln_sel(&ni_esc, &esc_list, &ap_sect, ap_to_target,
 133             2, wantflags | P_F | P_ESC, P_M | P_O);
 134     /*
 135      * now arm and equip the bombers, transports, whatever.
 136      */
 137     pln_arm(&bomb_list, 2 * ap_to_target, mission, ip, 0);
 138     if (QEMPTY(&bomb_list)) {
 139         pr("No planes could be equipped for the mission.\n");
 140         return RET_FAIL;
 141     }
 142     pln_arm(&esc_list, 2 * ap_to_target, mission, ip, P_F | P_ESC);
 143     ac_encounter(&bomb_list, &esc_list, ax, ay, flightpath, 0);
 144     if (QEMPTY(&bomb_list)) {
 145         pr("No planes got through fighter defenses\n");
 146     } else if (target.sct_type == SCT_SANCT) {
 147         pr("You can't bomb that sector!\n");
 148     } else {
 149         switch (mission) {
 150         case 'p':
 151             pin_bomb(&bomb_list, &target);
 152             break;
 153         case 's':
 154             if (opt_SLOW_WAR) {
 155                 natp = getnatp(player->cnum);
 156                 if (target.sct_own) {
 157                     rel = getrel(natp, target.sct_own);
 158                     if ((rel != AT_WAR) && (player->cnum != target.sct_own)
 159                         && (target.sct_own) &&
 160                         (target.sct_oldown != player->cnum)) {
 161                         pr("You're not at war with them!\n");
 162                         pln_put(&bomb_list);
 163                         pln_put(&esc_list);
 164                         return RET_FAIL;
 165                     }
 166                 }
 167             }
 168             nreport(player->cnum, N_SCT_BOMB, target.sct_own, 1);
 169             strat_bomb(&bomb_list, &target);
 170             break;
 171         default:
 172             CANT_REACH();
 173         }
 174     }
 175     pln_put(&bomb_list);
 176     pln_put(&esc_list);
 177     return RET_OK;
 178 }
 179
 180 static void
 181 pin_bomb(struct emp_qelem *list, struct sctstr *target)
 182 {
 183     struct dchrstr *dcp;
 184     int nplanes;
 185     int nships;
 186     int type;
 187     int bad;
 188     char *p;
 189     struct plist *plp;
 190     int nsubs;
 191     int nunits;
 192     struct natstr *natp;
 193     int rel;
 194     char buf[1024];
 195     int i;
 196
 197     bad = 0;
 198     type = target->sct_type;
 199     dcp = &dchr[type];
 200     pr("Target sector is a %s constructed %s\n",
 201        effadv((int)target->sct_effic), dcp->d_name);
 202     nsubs = 0;
 203     plp = (struct plist *)list->q_forw;
 204     nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 205     if (plp->pcp->pl_flags & P_A) {
 206         nsubs = shipsatxy(target->sct_x, target->sct_y, M_SUB, 0, 1);
 207         if (nsubs > 0)
 208             pr("Some subs are present in the sector.\n");
 209     }
 210     nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
 211     nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 212   retry:
 213     p = getstring("Bomb what? (ship, plane, land unit, efficiency, commodities) ",
 214                   buf);
 215     if (!p)
 216        return;
 217     if (!*p) {
 218         bad++;
 219         if (bad > 2)
 220             return;
 221         goto retry;
 222     }
 223     switch (*p) {
 224     case 'l':
 225         if (opt_SLOW_WAR) {
 226             natp = getnatp(player->cnum);
 227             if (target->sct_own) {
 228                 rel = getrel(natp, target->sct_own);
 229                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 230                     && (target->sct_own) &&
 231                     (target->sct_oldown != player->cnum)) {
 232                     pr("You're not at war with them!\n");
 233                     goto retry;
 234                 }
 235             }
 236         }
 237         if (nunits == 0) {
 238             pr("no units there\n");
 239             goto retry;
 240         }
 241         land_bomb(list, target);
 242         break;
 243     case 'p':
 244         if (opt_SLOW_WAR) {
 245             natp = getnatp(player->cnum);
 246             if (target->sct_own) {
 247                 rel = getrel(natp, target->sct_own);
 248                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 249                     && (target->sct_own) &&
 250                     (target->sct_oldown != player->cnum)) {
 251                     pr("You're not at war with them!\n");
 252                     goto retry;
 253                 }
 254             }
 255         }
 256         if (nplanes == 0) {
 257             pr("no planes there\n");
 258             goto retry;
 259         }
 260         plane_bomb(list, target);
 261         break;
 262     case 's':
 263         if (nships == 0) {
 264             if (((struct plist *)list->q_forw)->pcp->pl_flags & P_A) {
 265                 if (nsubs == 0) {
 266                     pr("no ships there\n");
 267                     goto retry;
 268                 }
 269             } else {
 270                 pr("no ships there\n");
 271                 goto retry;
 272             }
 273         }
 274         ship_bomb(list, target);
 275         break;
 276     case 'c':
 277         if (opt_SLOW_WAR) {
 278             natp = getnatp(player->cnum);
 279             if (target->sct_own) {
 280                 rel = getrel(natp, target->sct_own);
 281                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 282                     && (target->sct_own) &&
 283                     (target->sct_oldown != player->cnum)) {
 284                     pr("You're not at war with them!\n");
 285                     goto retry;
 286                 }
 287             }
 288         }
 289
 290         for (i = 0; i < nbomb; i++) {
 291             if (!target->sct_item[bombcomm[i]])
 292                 continue;
 293             break;
 294         }
 295         if (i >= nbomb) {
 296             pr("No bombable commodities in %s\n",
 297                xyas(target->sct_x, target->sct_y, player->cnum));
 298             goto retry;
 299         }
 300         comm_bomb(list, target);
 301         break;
 302     case 'e':
 303         if (opt_SLOW_WAR) {
 304             natp = getnatp(player->cnum);
 305             if (target->sct_own) {
 306                 rel = getrel(natp, target->sct_own);
 307                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 308                     && (target->sct_own) &&
 309                     (target->sct_oldown != player->cnum)) {
 310                     pr("You're not at war with them!\n");
 311                     goto retry;
 312                 }
 313             }
 314         }
 315         eff_bomb(list, target);
 316         break;
 317     case 'q':
 318         pr("Aborting mission.\n");
 319         return;
 320     default:
 321         pr("Bad target type.\n");
 322         goto retry;
 323     }
 324 }
 325
 326 static void
 327 eff_bomb(struct emp_qelem *list, struct sctstr *target)
 328 {
 329     struct plist *plp;
 330     struct emp_qelem *qp;
 331     struct sctstr sect;
 332     int oldeff, dam = 0;
 333     int nukedam;
 334
 335     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 336         plp = (struct plist *)qp;
 337         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 338             continue;
 339         if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
 340             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 341                               'p', &nukedam, 1);
 342     }
 343     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 344         return;
 345     getsect(target->sct_x, target->sct_y, &sect);
 346     target = &sect;
 347     oldeff = target->sct_effic;
 348     target->sct_effic = effdamage(target->sct_effic, dam);
 349     target->sct_avail = effdamage(target->sct_avail, dam);
 350     target->sct_road = effdamage(target->sct_road, dam);
 351     target->sct_rail = effdamage(target->sct_rail, dam);
 352     target->sct_defense = effdamage(target->sct_defense, dam);
 353     pr("did %d%% damage to efficiency in %s\n",
 354        oldeff - target->sct_effic,
 355        xyas(target->sct_x, target->sct_y, player->cnum));
 356     if (target->sct_own)
 357         wu(0, target->sct_own,
 358            "%s bombing raid did %d%% damage in %s\n",
 359            cname(player->cnum), oldeff - target->sct_effic,
 360            xyas(target->sct_x, target->sct_y, target->sct_own));
 361     bridge_damaged(target);
 362     putsect(&sect);
 363     collateral_damage(target->sct_x, target->sct_y, dam);
 364 }
 365
 366 static void
 367 comm_bomb(struct emp_qelem *list, struct sctstr *target)
 368 {
 369     struct plist *plp;
 370     double b;
 371     int i;
 372     int amt, before;
 373     struct ichrstr *ip;
 374     struct emp_qelem *qp;
 375     struct sctstr sect;
 376     int dam = 0;
 377     int nukedam;
 378
 379     for (i = 0; i < nbomb; i++) {
 380         if (target->sct_item[bombcomm[i]] == 0)
 381             continue;
 382         if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 383             continue;
 384         ip = &ichr[bombcomm[i]];
 385         pr("some %s\n", ip->i_name);
 386     }
 387     for (;;) {
 388         ip = whatitem(NULL, "commodity to bomb? ");
 389         if (player->aborted)
 390             return;
 391         if (!ip)
 392             continue;
 393
 394         for (i = 0; i < nbomb; i++) {
 395             if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 396                 continue;
 397             if (&ichr[bombcomm[i]] == ip)
 398                 break;
 399         }
 400         if (i == nbomb) {
 401             pr("You can't bomb %s!\n", ip->i_name);
 402             for (i = 0; i < nbomb; i++) {
 403                 if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 404                     continue;
 405                 pr("%s%s", i == 0 ? "Bombable: " : ", ",
 406                    ichr[bombcomm[i]].i_name);
 407             }
 408             pr("\n");
 409         } else
 410             break;
 411     }
 412     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 413         plp = (struct plist *)qp;
 414         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 415             continue;
 416         if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
 417             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 418                               'p', &nukedam, 1);
 419     }
 420     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 421         return;
 422     getsect(target->sct_x, target->sct_y, &sect);
 423     target = &sect;
 424     before = target->sct_item[ip->i_uid];
 425     target->sct_item[ip->i_uid] = amt = commdamage(before, dam, ip->i_uid);
 426     if (before > 0.0)
 427         b = 100.0 * (1.0 - (double)amt / (double)before);
 428     else
 429         b = 0.0;
 430     pr("did %.2f%% damage to %s in %s\n",
 431        b, ip->i_name, xyas(target->sct_x, target->sct_y, player->cnum));
 432     nreport(player->cnum, N_SCT_BOMB, target->sct_own, 1);
 433     if (target->sct_own != 0)
 434         wu(0, target->sct_own,
 435            "%s precision bombing raid did %.2f%% damage to %s in %s\n",
 436            cname(player->cnum), b, ip->i_name,
 437            xyas(target->sct_x, target->sct_y, target->sct_own));
 438     putsect(&sect);
 439     collateral_damage(target->sct_x, target->sct_y, dam);
 440 }
 441
 442 static void
 443 ship_bomb(struct emp_qelem *list, struct sctstr *target)
 444 {
 445     struct plist *plp;
 446     struct mchrstr *mcp;
 447     int dam;
 448     char *q;
 449     int n;
 450     struct emp_qelem *qp;
 451     int shipno;
 452     struct shpstr ship;
 453     int nships = 0;
 454     struct shiplist *head = NULL;
 455     char buf[1024];
 456     char prompt[128];
 457     int hitchance;
 458     int nukedam;
 459     int flak;
 460     int gun;
 461
 462     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 463         free_shiplist(&head);
 464         plp = (struct plist *)qp;
 465         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 466             continue;
 467         if (plp->pcp->pl_flags & P_A)
 468             nships = asw_shipsatxy(target->sct_x, target->sct_y, 0, 0,
 469                                    &plp->plane, &head);
 470         else
 471             nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 472         if (nships == 0) {
 473             pr("%s could not find any ships!\n", prplane(&plp->plane));
 474             continue;
 475         }
 476         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 477                       prplane(&plp->plane), plp->bombs);
 478         shipno = -1;
 479         while (shipno < 0) {
 480             if ((q = getstring(prompt, buf)) == 0)
 481                 goto out;
 482             if (*q == 0)
 483                 continue;
 484             if (*q == '~')
 485                 break;
 486             if (*q == '?') {
 487                 if (plp->pcp->pl_flags & P_A)
 488                     print_shiplist(head);
 489                 else
 490                     shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 491                 continue;
 492             }
 493             n = atoi(q);
 494             if (n < 0)
 495                 continue;
 496             if ((!(plp->pcp->pl_flags & P_A) || on_shiplist(n, head)) &&
 497                 getship(n, &ship) && ship.shp_own &&
 498                 ship.shp_x == target->sct_x && ship.shp_y == target->sct_y)
 499                 shipno = n;
 500             else
 501                 pr("Ship #%d not spotted\n", n);
 502         }
 503         if (shipno < 0)
 504             continue;
 505         if ((plp->pcp->pl_flags & P_A) && !on_shiplist(shipno, head))
 506             continue;
 507
 508         gun = shp_usable_guns(&ship);
 509         mcp = &mchr[(int)ship.shp_type];
 510         if (gun > 0 && !(mcp->m_flags & M_SUB)) {
 511             flak = (int)(techfact(ship.shp_tech, gun) * 2.0);
 512             PR(ship.shp_own, "Flak! Firing %d guns from ship %s\n",
 513                flak, prship(&ship));
 514             if (pinflak_planedamage(&plp->plane, plp->pcp, ship.shp_own, flak))
 515                 continue;
 516         }
 517
 518         dam = 0;
 519         if (nuk_on_plane(&plp->plane) >= 0)
 520             hitchance = 100;
 521         else {
 522             hitchance = pln_hitchance(&plp->plane,
 523                                       shp_hardtarget(&ship), EF_SHIP);
 524             pr("%d%% hitchance...", hitchance);
 525         }
 526         if (roll(100) <= hitchance) {
 527             /* pinbombing is more accurate than normal bombing */
 528             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 529                                  'p', &nukedam, 1);
 530         } else {
 531             pr("splash\n");
 532             /* Bombs that miss have to land somewhere! */
 533             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 534                              'p', &nukedam, 0);
 535             collateral_damage(target->sct_x, target->sct_y, dam);
 536             dam = 0;
 537         }
 538         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 539             continue;
 540         if (mcp->m_flags & M_SUB)
 541             nreport(player->cnum, N_SUB_BOMB, ship.shp_own, 1);
 542         else
 543             nreport(player->cnum, N_SHP_BOMB, ship.shp_own, 1);
 544         if (ship.shp_own) {
 545             wu(0, ship.shp_own, "%s bombs did %d damage to %s at %s\n",
 546                cname(player->cnum), dam,
 547                prship(&ship),
 548                xyas(target->sct_x, target->sct_y, ship.shp_own));
 549         }
 550         pr("\n");
 551         check_retreat_and_do_shipdamage(&ship, dam);
 552         if (ship.shp_rflags & RET_BOMBED)
 553             if (((ship.shp_rflags & RET_INJURED) == 0) || !dam)
 554                 retreat_ship(&ship, 'b');
 555         putship(ship.shp_uid, &ship);
 556         getship(ship.shp_uid, &ship);
 557         if (!ship.shp_own) {
 558             pr("%s at %s sunk!\n",
 559                prship(&ship),
 560                xyas(target->sct_x, target->sct_y, player->cnum));
 561         }
 562         collateral_damage(target->sct_x, target->sct_y, dam / 2);
 563     }
 564 out:
 565     free_shiplist(&head);
 566 }
 567
 568 static void
 569 plane_bomb(struct emp_qelem *list, struct sctstr *target)
 570 {
 571     int dam;
 572     char *q;
 573     int n;
 574     natid own;
 575     struct plnstr plane;
 576     struct emp_qelem *qp;
 577     int planeno;
 578     struct plist *plp;
 579     char prompt[128];
 580     char buf[1024];
 581     int hitchance;
 582     int nukedam;
 583     int nplanes;
 584
 585     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 586         plp = (struct plist *)qp;
 587         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 588             continue;
 589         nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
 590         if (nplanes == 0) {
 591             pr("%s could not find any planes!\n", prplane(&plp->plane));
 592             continue;
 593         }
 594         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 595                       prplane(&plp->plane), plp->bombs);
 596         planeno = -1;
 597         while (planeno < 0) {
 598             if ((q = getstring(prompt, buf)) == 0)
 599                 return;
 600             if (*q == 0)
 601                 continue;
 602             if (*q == '~')
 603                 break;
 604             if (*q == '?') {
 605                 planesatxy(target->sct_x, target->sct_y, 0, 0);
 606                 continue;
 607             }
 608             n = atoi(q);
 609             if (n < 0)
 610                 continue;
 611             if (getplane(n, &plane) &&
 612                 plane.pln_x == target->sct_x &&
 613                 plane.pln_y == target->sct_y &&
 614                 plane.pln_ship < 0 && plane.pln_land < 0 &&
 615                 !(plane.pln_flags & PLN_LAUNCHED))
 616                 planeno = n;
 617             else
 618                 pr("Plane #%d not spotted\n", n);
 619         }
 620         if (planeno < 0)
 621             continue;
 622         dam = 0;
 623         if (nuk_on_plane(&plp->plane) >= 0)
 624             hitchance = 100;
 625         else {
 626             hitchance = pln_hitchance(&plp->plane, 0, EF_PLANE);
 627             pr("%d%% hitchance...", hitchance);
 628         }
 629         if (roll(100) <= hitchance) {
 630             /* pinbombing is more accurate than normal bombing */
 631             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 632                                  'p', &nukedam, 1);
 633         } else {
 634             pr("thud\n");
 635             /* Bombs that miss have to land somewhere! */
 636             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 637                              'p', &nukedam, 0);
 638             collateral_damage(target->sct_x, target->sct_y, dam);
 639             dam = 0;
 640         }
 641         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 642             continue;
 643         if (dam > 100)
 644             dam = 100;
 645         own = plane.pln_own;
 646         if (dam > plane.pln_effic)
 647             plane.pln_effic = 0;
 648         else
 649             plane.pln_effic -= dam;
 650         plane.pln_mobil = (dam * plane.pln_mobil / 100.0);
 651         if (own == player->cnum) {
 652             pr("%s reports %d%% damage\n", prplane(&plane), dam);
 653         } else {
 654             if (own != 0)
 655                 wu(0, own,
 656                    "%s pinpoint bombing raid did %d%% damage to %s\n",
 657                    cname(player->cnum), dam, prplane(&plane));
 658         }
 659         nreport(player->cnum, N_DOWN_PLANE, own, 1);
 660         if (own != 0)
 661             wu(0, own, "%s bombs did %d%% damage to %s at %s\n",
 662                cname(player->cnum), dam, prplane(&plane),
 663                xyas(target->sct_x, target->sct_y, own));
 664         putplane(plane.pln_uid, &plane);
 665         collateral_damage(target->sct_x, target->sct_y, dam);
 666     }
 667 }
 668
 669 static void
 670 land_bomb(struct emp_qelem *list, struct sctstr *target)
 671 {
 672     int dam;
 673     char *q;
 674     int n;
 675     natid own;
 676     char prompt[128];
 677     char buf[1024];
 678     struct lndstr land;
 679     struct emp_qelem *qp;
 680     int unitno;
 681     int aaf, flak, hitchance;
 682     struct plist *plp;
 683     int nukedam;
 684     int nunits;
 685
 686     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 687         plp = (struct plist *)qp;
 688         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 689             continue;
 690         nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 691         if (nunits == 0) {
 692             pr("%s could not find any units!\n", prplane(&plp->plane));
 693             continue;
 694         }
 695         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 696                       prplane(&plp->plane), plp->bombs);
 697         unitno = -1;
 698         while (unitno < 0) {
 699             if ((q = getstring(prompt, buf)) == 0)
 700                 return;
 701             if (*q == 0)
 702                 continue;
 703             if (*q == '~')
 704                 break;
 705             if (*q == '?') {
 706                 unitsatxy(target->sct_x, target->sct_y, 0, 0);
 707                 continue;
 708             }
 709             n = atoi(q);
 710             if (n < 0)
 711                 continue;
 712             if (getland(n, &land) && land.lnd_own &&
 713                 land.lnd_ship < 0 && land.lnd_land < 0 &&
 714                 land.lnd_x == target->sct_x && land.lnd_y == target->sct_y)
 715                 unitno = n;
 716             else
 717                 pr("Unit #%d not spotted\n", n);
 718         }
 719         if (unitno < 0)
 720             continue;
 721
 722         aaf = lnd_aaf(&land);
 723         if (aaf) {
 724             flak = roundavg(techfact(land.lnd_tech,
 725                                      aaf * 3.0 * land.lnd_effic / 100.0));
 726             PR(land.lnd_own,
 727                "Flak! Firing flak guns from unit %s (aa rating %d)\n",
 728                prland(&land), aaf);
 729             if (pinflak_planedamage(&plp->plane, plp->pcp, land.lnd_own, flak))
 730                 continue;
 731         }
 732
 733         dam = 0;
 734         if (nuk_on_plane(&plp->plane) >= 0)
 735             hitchance = 100;
 736         else {
 737             hitchance = pln_hitchance(&plp->plane,
 738                                       lnd_hardtarget(&land), EF_LAND);
 739             pr("%d%% hitchance...", hitchance);
 740         }
 741         if (roll(100) <= hitchance) {
 742             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 743                                  'p', &nukedam, 1);
 744         } else {
 745             pr("thud\n");
 746             /* Bombs that miss have to land somewhere! */
 747             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 748                              'p', &nukedam, 0);
 749             collateral_damage(target->sct_x, target->sct_y, dam);
 750             dam = 0;
 751         }
 752         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 753             continue;
 754         if (dam > 100)
 755             dam = 100;
 756         own = land.lnd_own;
 757         mpr(own, "%s pinpoint bombing raid did %d damage to %s\n",
 758             cname(player->cnum), dam, prland(&land));
 759         check_retreat_and_do_landdamage(&land, dam);
 760
 761         if (land.lnd_rflags & RET_BOMBED)
 762             if (((land.lnd_rflags & RET_INJURED) == 0) || !dam)
 763                 retreat_land(&land, 'b');
 764         nreport(player->cnum, N_UNIT_BOMB, own, 1);
 765         putland(land.lnd_uid, &land);
 766         collateral_damage(target->sct_x, target->sct_y, dam);
 767     }
 768 }
 769
 770 static void
 771 strat_bomb(struct emp_qelem *list, struct sctstr *target)
 772 {
 773     struct plist *plp;
 774     int dam = 0;
 775     struct emp_qelem *qp;
 776     struct sctstr sect;
 777     int nukedam;
 778
 779     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 780         plp = (struct plist *)qp;
 781         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 782             continue;
 783         if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
 784             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 785                               's', &nukedam, 1);
 786     }
 787     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 788         return;
 789     getsect(target->sct_x, target->sct_y, &sect);
 790     target = &sect;
 791     if (target->sct_own)
 792         wu(0, target->sct_own, "%s bombing raid did %d damage in %s\n",
 793            cname(player->cnum), PERCENT_DAMAGE(dam),
 794            xyas(target->sct_x, target->sct_y, target->sct_own));
 795
 796     sectdamage(target, dam);
 797
 798     pr("did %d damage in %s\n", PERCENT_DAMAGE(dam),
 799        xyas(target->sct_x, target->sct_y, player->cnum));
 800     putsect(&sect);
 801 }
 802
 803 static int
 804 pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp, natid from,
 805                     int flak)
 806 {
 807     int disp;
 808     char dmess[255];
 809     int eff;
 810     natid plane_owner;
 811     int dam;
 812
 813     dam = ac_flak_dam(flak, pln_def(pp), pcp->pl_flags);
 814     disp = 0;
 815     plane_owner = pp->pln_own;
 816     eff = pp->pln_effic;
 817     if (dam <= 0)
 818         return 0;
 819     memset(dmess, 0, sizeof(dmess));
 820     eff -= dam;
 821     if (eff < 0)
 822         eff = 0;
 823     if (eff < PLANE_MINEFF) {
 824         sprintf(dmess, " -- shot down");
 825         disp = 1;
 826     } else if (chance((100 - eff) / 100.0)) {
 827         sprintf(dmess, " -- aborted with %d%% damage", 100 - eff);
 828         disp = 2;
 829     }
 830     PR(plane_owner, "    Flak! %s %s takes %d%s.\n",
 831        cname(pp->pln_own), prplane(pp), dam, dmess);
 832
 833     pp->pln_effic = eff;
 834     if (disp == 1) {
 835         if (from != 0)
 836             nreport(from, N_DOWN_PLANE, pp->pln_own, 1);
 837     }
 838     putplane(pp->pln_uid, pp);
 839
 840     if (disp > 0)
 841         return 1;
 842     return 0;
 843 }