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

   1 /*
   2  *  Empire - A multi-player, client/server Internet based war game.
   3  *  Copyright (C) 1986-2009, Dave Pare, Jeff Bailey, Thomas Ruschak,
   4  *                           Ken Stevens, Steve McClure
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  *  ---
  21  *
  22  *  See files README, COPYING and CREDITS in the root of the source
  23  *  tree for related information and legal notices.  It is expected
  24  *  that future projects/authors will amend these files as needed.
  25  *
  26  *  ---
  27  *
  28  *  bomb.c: Fly bombing missions
  29  *
  30  *  Known contributors to this file:
  31  *     Dave Pare, 1986
  32  *     Ken Stevens, 1995
  33  *     Steve McClure, 1998-2000
  34  *     Markus Armbruster, 2004-2009
  35  */
  36
  37 #include <config.h>
  38
  39 #include <ctype.h>
  40 #include "commands.h"
  41 #include "damage.h"
  42 #include "item.h"
  43 #include "land.h"
  44 #include "news.h"
  45 #include "nuke.h"
  46 #include "optlist.h"
  47 #include "path.h"
  48 #include "plane.h"
  49 #include "retreat.h"
  50 #include "ship.h"
  51
  52 static void pin_bomb(struct emp_qelem *, struct sctstr *);
  53 static void eff_bomb(struct emp_qelem *, struct sctstr *);
  54 static void comm_bomb(struct emp_qelem *, struct sctstr *);
  55 static void ship_bomb(struct emp_qelem *, struct sctstr *);
  56 static void plane_bomb(struct emp_qelem *, struct sctstr *);
  57 static void land_bomb(struct emp_qelem *, struct sctstr *);
  58 static void strat_bomb(struct emp_qelem *, struct sctstr *);
  59 static int changed_plane_aborts(struct plist *);
  60 static int pinflak_planedamage(struct plnstr *, struct plchrstr *,
  61                                natid, int);
  62
  63 static i_type bombcomm[] = {
  64     I_CIVIL,
  65     I_MILIT,
  66     I_SHELL,
  67     I_GUN,
  68     I_PETROL,
  69     I_IRON,
  70     I_DUST,
  71     I_BAR,
  72     I_FOOD,
  73     I_OIL,
  74     I_LCM,
  75     I_HCM,
  76     I_UW,
  77     I_RAD
  78 };
  79 static int nbomb = sizeof(bombcomm) / sizeof(*bombcomm);
  80
  81 int
  82 bomb(void)
  83 {
  84     char *p;
  85     coord tx, ty;
  86     coord ax, ay;
  87     int ap_to_target;
  88     struct ichrstr *ip;
  89     char flightpath[MAX_PATH_LEN];
  90     struct nstr_item ni_bomb;
  91     struct nstr_item ni_esc;
  92     struct sctstr target;
  93     struct emp_qelem bomb_list;
  94     struct emp_qelem esc_list;
  95     int wantflags;
  96     struct sctstr ap_sect;
  97     char mission;
  98     int rel;
  99     struct natstr *natp;
 100     char buf[1024];
 101
 102     wantflags = 0;
 103     if (get_planes(&ni_bomb, &ni_esc, player->argp[1], player->argp[2]) < 0)
 104         return RET_SYN;
 105     p = getstarg(player->argp[3], "pinpoint, or strategic? ", buf);
 106     if (!p || !*p)
 107         return RET_SYN;
 108     mission = *p;
 109     if (strchr("ps", mission) == 0)
 110         return RET_SYN;
 111     if (!get_assembly_point(player->argp[4], &ap_sect, buf))
 112         return RET_SYN;
 113     ax = ap_sect.sct_x;
 114     ay = ap_sect.sct_y;
 115     if (getpath(flightpath, player->argp[5], ax, ay, 0, 0, P_FLYING) == 0
 116         || *flightpath == 0)
 117         return RET_SYN;
 118     tx = ax;
 119     ty = ay;
 120     (void)pathtoxy(flightpath, &tx, &ty, fcost);
 121     pr("target sector is %s\n", xyas(tx, ty, player->cnum));
 122     getsect(tx, ty, &target);
 123     ip = 0;
 124     ap_to_target = strlen(flightpath);
 125     if (flightpath[ap_to_target - 1] == 'h')
 126         ap_to_target--;
 127     pr("range to target is %d\n", ap_to_target);
 128     /*
 129      * select planes within range
 130      */
 131     pln_sel(&ni_bomb, &bomb_list, &ap_sect, ap_to_target,
 132             2, wantflags, P_M | P_O);
 133     pln_sel(&ni_esc, &esc_list, &ap_sect, ap_to_target,
 134             2, wantflags | P_F | P_ESC, P_M | P_O);
 135     /*
 136      * now arm and equip the bombers, transports, whatever.
 137      */
 138     pln_arm(&bomb_list, 2 * ap_to_target, mission, ip, 0);
 139     if (QEMPTY(&bomb_list)) {
 140         pr("No planes could be equipped for the mission.\n");
 141         return RET_FAIL;
 142     }
 143     pln_arm(&esc_list, 2 * ap_to_target, mission, ip, P_F | P_ESC);
 144     ac_encounter(&bomb_list, &esc_list, ax, ay, flightpath, 0);
 145     if (QEMPTY(&bomb_list)) {
 146         pr("No planes got through fighter defenses\n");
 147     } else if (target.sct_type == SCT_SANCT) {
 148         pr("You can't bomb that sector!\n");
 149     } else {
 150         switch (mission) {
 151         case 'p':
 152             pin_bomb(&bomb_list, &target);
 153             break;
 154         case 's':
 155             if (opt_SLOW_WAR) {
 156                 natp = getnatp(player->cnum);
 157                 if (target.sct_own) {
 158                     rel = getrel(natp, target.sct_own);
 159                     if ((rel != AT_WAR) && (player->cnum != target.sct_own)
 160                         && (target.sct_own) &&
 161                         (target.sct_oldown != player->cnum)) {
 162                         pr("You're not at war with them!\n");
 163                         pln_put(&bomb_list);
 164                         pln_put(&esc_list);
 165                         return RET_FAIL;
 166                     }
 167                 }
 168             }
 169             nreport(player->cnum, N_SCT_BOMB, target.sct_own, 1);
 170             strat_bomb(&bomb_list, &target);
 171             break;
 172         default:
 173             CANT_REACH();
 174         }
 175     }
 176     pln_put(&bomb_list);
 177     pln_put(&esc_list);
 178     return RET_OK;
 179 }
 180
 181 static void
 182 pin_bomb(struct emp_qelem *list, struct sctstr *target)
 183 {
 184     struct dchrstr *dcp;
 185     int nplanes;
 186     int nships;
 187     int type;
 188     int bad;
 189     char *p;
 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     nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 204     if (pln_caps(list) & P_A) {
 205         nsubs = shipsatxy(target->sct_x, target->sct_y, M_SUB, 0, 1);
 206         if (nsubs > 0)
 207             pr("Some subs are present in the sector.\n");
 208     }
 209     nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
 210     nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 211   retry:
 212     p = getstring("Bomb what? (ship, plane, land unit, efficiency, commodities) ",
 213                   buf);
 214     if (!p)
 215        return;
 216     if (!*p) {
 217         bad++;
 218         if (bad > 2)
 219             return;
 220         goto retry;
 221     }
 222     switch (*p) {
 223     case 'l':
 224         if (opt_SLOW_WAR) {
 225             natp = getnatp(player->cnum);
 226             if (target->sct_own) {
 227                 rel = getrel(natp, target->sct_own);
 228                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 229                     && (target->sct_own) &&
 230                     (target->sct_oldown != player->cnum)) {
 231                     pr("You're not at war with them!\n");
 232                     goto retry;
 233                 }
 234             }
 235         }
 236         if (nunits == 0) {
 237             pr("no units there\n");
 238             goto retry;
 239         }
 240         land_bomb(list, target);
 241         break;
 242     case 'p':
 243         if (opt_SLOW_WAR) {
 244             natp = getnatp(player->cnum);
 245             if (target->sct_own) {
 246                 rel = getrel(natp, target->sct_own);
 247                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 248                     && (target->sct_own) &&
 249                     (target->sct_oldown != player->cnum)) {
 250                     pr("You're not at war with them!\n");
 251                     goto retry;
 252                 }
 253             }
 254         }
 255         if (nplanes == 0) {
 256             pr("no planes there\n");
 257             goto retry;
 258         }
 259         plane_bomb(list, target);
 260         break;
 261     case 's':
 262         if (nships == 0) {
 263             if (pln_caps(list) & P_A) {
 264                 if (nsubs == 0) {
 265                     pr("no ships there\n");
 266                     goto retry;
 267                 }
 268             } else {
 269                 pr("no ships there\n");
 270                 goto retry;
 271             }
 272         }
 273         ship_bomb(list, target);
 274         break;
 275     case 'c':
 276         if (opt_SLOW_WAR) {
 277             natp = getnatp(player->cnum);
 278             if (target->sct_own) {
 279                 rel = getrel(natp, target->sct_own);
 280                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 281                     && (target->sct_own) &&
 282                     (target->sct_oldown != player->cnum)) {
 283                     pr("You're not at war with them!\n");
 284                     goto retry;
 285                 }
 286             }
 287         }
 288
 289         for (i = 0; i < nbomb; i++) {
 290             if (!target->sct_item[bombcomm[i]])
 291                 continue;
 292             break;
 293         }
 294         if (i >= nbomb) {
 295             pr("No bombable commodities in %s\n",
 296                xyas(target->sct_x, target->sct_y, player->cnum));
 297             goto retry;
 298         }
 299         comm_bomb(list, target);
 300         break;
 301     case 'e':
 302         if (opt_SLOW_WAR) {
 303             natp = getnatp(player->cnum);
 304             if (target->sct_own) {
 305                 rel = getrel(natp, target->sct_own);
 306                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 307                     && (target->sct_own) &&
 308                     (target->sct_oldown != player->cnum)) {
 309                     pr("You're not at war with them!\n");
 310                     goto retry;
 311                 }
 312             }
 313         }
 314         eff_bomb(list, target);
 315         break;
 316     case 'q':
 317         pr("Aborting mission.\n");
 318         return;
 319     default:
 320         pr("Bad target type.\n");
 321         goto retry;
 322     }
 323 }
 324
 325 static void
 326 eff_bomb(struct emp_qelem *list, struct sctstr *target)
 327 {
 328     struct plist *plp;
 329     struct emp_qelem *qp, *next;
 330     struct sctstr sect;
 331     int oldeff, dam = 0;
 332     int nukedam;
 333
 334     for (qp = list->q_forw; qp != list; qp = next) {
 335         next = qp->q_forw;
 336         plp = (struct plist *)qp;
 337         if (changed_plane_aborts(plp))
 338             continue;
 339         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 340             continue;
 341         if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
 342             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 343                               'p', &nukedam, 1);
 344     }
 345     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 346         return;
 347     getsect(target->sct_x, target->sct_y, &sect);
 348     target = &sect;
 349     oldeff = target->sct_effic;
 350     target->sct_effic = effdamage(target->sct_effic, dam);
 351     target->sct_avail = effdamage(target->sct_avail, dam);
 352     target->sct_road = effdamage(target->sct_road, dam);
 353     target->sct_rail = effdamage(target->sct_rail, dam);
 354     target->sct_defense = effdamage(target->sct_defense, dam);
 355     pr("did %d%% damage to efficiency in %s\n",
 356        oldeff - target->sct_effic,
 357        xyas(target->sct_x, target->sct_y, player->cnum));
 358     if (target->sct_own)
 359         wu(0, target->sct_own,
 360            "%s bombing raid did %d%% damage in %s\n",
 361            cname(player->cnum), oldeff - target->sct_effic,
 362            xyas(target->sct_x, target->sct_y, target->sct_own));
 363     bridge_damaged(target);
 364     putsect(&sect);
 365     collateral_damage(target->sct_x, target->sct_y, dam);
 366 }
 367
 368 static void
 369 comm_bomb(struct emp_qelem *list, struct sctstr *target)
 370 {
 371     struct plist *plp;
 372     double b;
 373     int i;
 374     int amt, before;
 375     struct ichrstr *ip;
 376     struct emp_qelem *qp, *next;
 377     struct sctstr sect;
 378     int dam = 0;
 379     int nukedam;
 380
 381     for (i = 0; i < nbomb; i++) {
 382         if (target->sct_item[bombcomm[i]] == 0)
 383             continue;
 384         if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 385             continue;
 386         ip = &ichr[bombcomm[i]];
 387         pr("some %s\n", ip->i_name);
 388     }
 389     for (;;) {
 390         ip = whatitem(NULL, "commodity to bomb? ");
 391         if (player->aborted)
 392             return;
 393         if (!ip)
 394             continue;
 395
 396         for (i = 0; i < nbomb; i++) {
 397             if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 398                 continue;
 399             if (&ichr[bombcomm[i]] == ip)
 400                 break;
 401         }
 402         if (i == nbomb) {
 403             pr("You can't bomb %s!\n", ip->i_name);
 404             for (i = 0; i < nbomb; i++) {
 405                 if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 406                     continue;
 407                 pr("%s%s", i == 0 ? "Bombable: " : ", ",
 408                    ichr[bombcomm[i]].i_name);
 409             }
 410             pr("\n");
 411         } else
 412             break;
 413     }
 414     for (qp = list->q_forw; qp != list; qp = next) {
 415         next = qp->q_forw;
 416         plp = (struct plist *)qp;
 417         if (changed_plane_aborts(plp))
 418             continue;
 419         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 420             continue;
 421         if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
 422             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 423                               'p', &nukedam, 1);
 424     }
 425     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 426         return;
 427     getsect(target->sct_x, target->sct_y, &sect);
 428     target = &sect;
 429     before = target->sct_item[ip->i_uid];
 430     target->sct_item[ip->i_uid] = amt = commdamage(before, dam, ip->i_uid);
 431     if (before > 0.0)
 432         b = 100.0 * (1.0 - (double)amt / (double)before);
 433     else
 434         b = 0.0;
 435     pr("did %.2f%% damage to %s in %s\n",
 436        b, ip->i_name, xyas(target->sct_x, target->sct_y, player->cnum));
 437     nreport(player->cnum, N_SCT_BOMB, target->sct_own, 1);
 438     if (target->sct_own != 0)
 439         wu(0, target->sct_own,
 440            "%s precision bombing raid did %.2f%% damage to %s in %s\n",
 441            cname(player->cnum), b, ip->i_name,
 442            xyas(target->sct_x, target->sct_y, target->sct_own));
 443     putsect(&sect);
 444     collateral_damage(target->sct_x, target->sct_y, dam);
 445 }
 446
 447 static void
 448 ship_bomb(struct emp_qelem *list, struct sctstr *target)
 449 {
 450     struct plist *plp;
 451     struct mchrstr *mcp;
 452     int dam;
 453     char *q;
 454     int n;
 455     struct emp_qelem *qp, *next;
 456     int shipno;
 457     struct shpstr ship;
 458     int nships = 0;
 459     struct shiplist *head = NULL;
 460     char buf[1024];
 461     char prompt[128];
 462     int hitchance;
 463     int nukedam;
 464     int flak;
 465     int gun;
 466
 467     for (qp = list->q_forw; qp != list; qp = next) {
 468         next = qp->q_forw;
 469         free_shiplist(&head);
 470         plp = (struct plist *)qp;
 471         if (changed_plane_aborts(plp))
 472             continue;
 473         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 474             continue;
 475         if (plp->pcp->pl_flags & P_A)
 476             nships = asw_shipsatxy(target->sct_x, target->sct_y, 0, 0,
 477                                    &plp->plane, &head);
 478         else
 479             nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 480         if (nships == 0) {
 481             pr("%s could not find any ships!\n", prplane(&plp->plane));
 482             continue;
 483         }
 484         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 485                       prplane(&plp->plane), plp->bombs);
 486         shipno = -1;
 487         while (shipno < 0) {
 488             if ((q = getstring(prompt, buf)) == 0)
 489                 goto out;
 490             if (*q == 0)
 491                 continue;
 492             if (*q == '~')
 493                 break;
 494             if (*q == '?') {
 495                 if (plp->pcp->pl_flags & P_A)
 496                     print_shiplist(head);
 497                 else
 498                     shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 499                 continue;
 500             }
 501             n = atoi(q);
 502             if (n < 0)
 503                 continue;
 504             if ((!(plp->pcp->pl_flags & P_A) || on_shiplist(n, head)) &&
 505                 getship(n, &ship) && ship.shp_own &&
 506                 ship.shp_x == target->sct_x && ship.shp_y == target->sct_y)
 507                 shipno = n;
 508             else
 509                 pr("Ship #%d not spotted\n", n);
 510         }
 511         if (shipno < 0)
 512             continue;
 513         if ((plp->pcp->pl_flags & P_A) && !on_shiplist(shipno, head))
 514             continue;
 515         if (changed_plane_aborts(plp))
 516             continue;
 517
 518         gun = shp_usable_guns(&ship);
 519         mcp = &mchr[(int)ship.shp_type];
 520         if (gun > 0 && !(mcp->m_flags & M_SUB)) {
 521             flak = (int)(techfact(ship.shp_tech, gun) * 2.0);
 522             PR(ship.shp_own, "Flak! Firing %d guns from ship %s\n",
 523                flak, prship(&ship));
 524             if (pinflak_planedamage(&plp->plane, plp->pcp, ship.shp_own, flak))
 525                 continue;
 526         }
 527
 528         dam = 0;
 529         if (nuk_on_plane(&plp->plane) >= 0)
 530             hitchance = 100;
 531         else {
 532             hitchance = pln_hitchance(&plp->plane,
 533                                       shp_hardtarget(&ship), EF_SHIP);
 534             pr("%d%% hitchance...", hitchance);
 535         }
 536         if (roll(100) <= hitchance) {
 537             /* pinbombing is more accurate than normal bombing */
 538             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 539                                  'p', &nukedam, 1);
 540         } else {
 541             pr("splash\n");
 542             /* Bombs that miss have to land somewhere! */
 543             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 544                              'p', &nukedam, 0);
 545             collateral_damage(target->sct_x, target->sct_y, dam);
 546             dam = 0;
 547         }
 548         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 549             continue;
 550         if (mcp->m_flags & M_SUB)
 551             nreport(player->cnum, N_SUB_BOMB, ship.shp_own, 1);
 552         else
 553             nreport(player->cnum, N_SHP_BOMB, ship.shp_own, 1);
 554         if (ship.shp_own) {
 555             wu(0, ship.shp_own, "%s bombs did %d damage to %s at %s\n",
 556                cname(player->cnum), dam,
 557                prship(&ship),
 558                xyas(target->sct_x, target->sct_y, ship.shp_own));
 559         }
 560         pr("\n");
 561         check_retreat_and_do_shipdamage(&ship, dam);
 562         if (ship.shp_rflags & RET_BOMBED)
 563             if (((ship.shp_rflags & RET_INJURED) == 0) || !dam)
 564                 retreat_ship(&ship, 'b');
 565         putship(ship.shp_uid, &ship);
 566         getship(ship.shp_uid, &ship);
 567         if (!ship.shp_own) {
 568             pr("%s at %s sunk!\n",
 569                prship(&ship),
 570                xyas(target->sct_x, target->sct_y, player->cnum));
 571         }
 572         collateral_damage(target->sct_x, target->sct_y, dam / 2);
 573     }
 574 out:
 575     free_shiplist(&head);
 576 }
 577
 578 static void
 579 plane_bomb(struct emp_qelem *list, struct sctstr *target)
 580 {
 581     int dam;
 582     char *q;
 583     int n;
 584     natid own;
 585     struct plnstr plane;
 586     struct emp_qelem *qp, *next;
 587     int planeno;
 588     struct plist *plp;
 589     char prompt[128];
 590     char buf[1024];
 591     int hitchance;
 592     int nukedam;
 593     int nplanes;
 594
 595     for (qp = list->q_forw; qp != list; qp = next) {
 596         next = qp->q_forw;
 597         plp = (struct plist *)qp;
 598         if (changed_plane_aborts(plp))
 599             continue;
 600         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 601             continue;
 602         nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
 603         if (nplanes == 0) {
 604             pr("%s could not find any planes!\n", prplane(&plp->plane));
 605             continue;
 606         }
 607         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 608                       prplane(&plp->plane), plp->bombs);
 609         planeno = -1;
 610         while (planeno < 0) {
 611             if ((q = getstring(prompt, buf)) == 0)
 612                 return;
 613             if (*q == 0)
 614                 continue;
 615             if (*q == '~')
 616                 break;
 617             if (*q == '?') {
 618                 planesatxy(target->sct_x, target->sct_y, 0, 0);
 619                 continue;
 620             }
 621             n = atoi(q);
 622             if (n < 0)
 623                 continue;
 624             if (getplane(n, &plane) &&
 625                 plane.pln_x == target->sct_x &&
 626                 plane.pln_y == target->sct_y &&
 627                 plane.pln_ship < 0 && plane.pln_land < 0 &&
 628                 !(plane.pln_flags & PLN_LAUNCHED))
 629                 planeno = n;
 630             else
 631                 pr("Plane #%d not spotted\n", n);
 632         }
 633         if (planeno < 0)
 634             continue;
 635         if (changed_plane_aborts(plp))
 636             continue;
 637         dam = 0;
 638         if (nuk_on_plane(&plp->plane) >= 0)
 639             hitchance = 100;
 640         else {
 641             hitchance = pln_hitchance(&plp->plane, 0, EF_PLANE);
 642             pr("%d%% hitchance...", hitchance);
 643         }
 644         if (roll(100) <= hitchance) {
 645             /* pinbombing is more accurate than normal bombing */
 646             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 647                                  'p', &nukedam, 1);
 648         } else {
 649             pr("thud\n");
 650             /* Bombs that miss have to land somewhere! */
 651             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 652                              'p', &nukedam, 0);
 653             collateral_damage(target->sct_x, target->sct_y, dam);
 654             dam = 0;
 655         }
 656         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 657             continue;
 658         if (dam > 100)
 659             dam = 100;
 660         own = plane.pln_own;
 661         if (dam > plane.pln_effic)
 662             plane.pln_effic = 0;
 663         else
 664             plane.pln_effic -= dam;
 665         plane.pln_mobil = (dam * plane.pln_mobil / 100.0);
 666         if (own == player->cnum) {
 667             pr("%s reports %d%% damage\n", prplane(&plane), dam);
 668         } else {
 669             if (own != 0)
 670                 wu(0, own,
 671                    "%s pinpoint bombing raid did %d%% damage to %s\n",
 672                    cname(player->cnum), dam, prplane(&plane));
 673         }
 674         nreport(player->cnum, N_DOWN_PLANE, own, 1);
 675         if (own != 0)
 676             wu(0, own, "%s bombs did %d%% damage to %s at %s\n",
 677                cname(player->cnum), dam, prplane(&plane),
 678                xyas(target->sct_x, target->sct_y, own));
 679         putplane(plane.pln_uid, &plane);
 680         collateral_damage(target->sct_x, target->sct_y, dam);
 681     }
 682 }
 683
 684 static void
 685 land_bomb(struct emp_qelem *list, struct sctstr *target)
 686 {
 687     int dam;
 688     char *q;
 689     int n;
 690     natid own;
 691     char prompt[128];
 692     char buf[1024];
 693     struct lndstr land;
 694     struct emp_qelem *qp, *next;
 695     int unitno;
 696     int aaf, flak, hitchance;
 697     struct plist *plp;
 698     int nukedam;
 699     int nunits;
 700
 701     for (qp = list->q_forw; qp != list; qp = next) {
 702         next = qp->q_forw;
 703         plp = (struct plist *)qp;
 704         if (changed_plane_aborts(plp))
 705             continue;
 706         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 707             continue;
 708         nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 709         if (nunits == 0) {
 710             pr("%s could not find any units!\n", prplane(&plp->plane));
 711             continue;
 712         }
 713         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 714                       prplane(&plp->plane), plp->bombs);
 715         unitno = -1;
 716         while (unitno < 0) {
 717             if ((q = getstring(prompt, buf)) == 0)
 718                 return;
 719             if (*q == 0)
 720                 continue;
 721             if (*q == '~')
 722                 break;
 723             if (*q == '?') {
 724                 unitsatxy(target->sct_x, target->sct_y, 0, 0);
 725                 continue;
 726             }
 727             n = atoi(q);
 728             if (n < 0)
 729                 continue;
 730             if (getland(n, &land) && land.lnd_own &&
 731                 land.lnd_ship < 0 && land.lnd_land < 0 &&
 732                 land.lnd_x == target->sct_x && land.lnd_y == target->sct_y)
 733                 unitno = n;
 734             else
 735                 pr("Unit #%d not spotted\n", n);
 736         }
 737         if (unitno < 0)
 738             continue;
 739         if (changed_plane_aborts(plp))
 740             continue;
 741
 742         aaf = lnd_aaf(&land);
 743         if (aaf) {
 744             flak = roundavg(techfact(land.lnd_tech,
 745                                      aaf * 3.0 * land.lnd_effic / 100.0));
 746             PR(land.lnd_own,
 747                "Flak! Firing flak guns from unit %s (aa rating %d)\n",
 748                prland(&land), aaf);
 749             if (pinflak_planedamage(&plp->plane, plp->pcp, land.lnd_own, flak))
 750                 continue;
 751         }
 752
 753         dam = 0;
 754         if (nuk_on_plane(&plp->plane) >= 0)
 755             hitchance = 100;
 756         else {
 757             hitchance = pln_hitchance(&plp->plane,
 758                                       lnd_hardtarget(&land), EF_LAND);
 759             pr("%d%% hitchance...", hitchance);
 760         }
 761         if (roll(100) <= hitchance) {
 762             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 763                                  'p', &nukedam, 1);
 764         } else {
 765             pr("thud\n");
 766             /* Bombs that miss have to land somewhere! */
 767             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 768                              'p', &nukedam, 0);
 769             collateral_damage(target->sct_x, target->sct_y, dam);
 770             dam = 0;
 771         }
 772         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 773             continue;
 774         if (dam > 100)
 775             dam = 100;
 776         own = land.lnd_own;
 777         mpr(own, "%s pinpoint bombing raid did %d damage to %s\n",
 778             cname(player->cnum), dam, prland(&land));
 779         check_retreat_and_do_landdamage(&land, dam);
 780
 781         if (land.lnd_rflags & RET_BOMBED)
 782             if (((land.lnd_rflags & RET_INJURED) == 0) || !dam)
 783                 retreat_land(&land, 'b');
 784         nreport(player->cnum, N_UNIT_BOMB, own, 1);
 785         putland(land.lnd_uid, &land);
 786         collateral_damage(target->sct_x, target->sct_y, dam);
 787     }
 788 }
 789
 790 static void
 791 strat_bomb(struct emp_qelem *list, struct sctstr *target)
 792 {
 793     struct plist *plp;
 794     int dam = 0;
 795     struct emp_qelem *qp;
 796     struct sctstr sect;
 797     int nukedam;
 798
 799     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 800         plp = (struct plist *)qp;
 801         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 802             continue;
 803         if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
 804             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 805                               's', &nukedam, 1);
 806     }
 807     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 808         return;
 809     getsect(target->sct_x, target->sct_y, &sect);
 810     target = &sect;
 811     if (target->sct_own)
 812         wu(0, target->sct_own, "%s bombing raid did %d damage in %s\n",
 813            cname(player->cnum), PERCENT_DAMAGE(dam),
 814            xyas(target->sct_x, target->sct_y, target->sct_own));
 815
 816     sectdamage(target, dam);
 817
 818     pr("did %d damage in %s\n", PERCENT_DAMAGE(dam),
 819        xyas(target->sct_x, target->sct_y, player->cnum));
 820     putsect(&sect);
 821 }
 822
 823 static int
 824 changed_plane_aborts(struct plist *plp)
 825 {
 826     if (check_plane_ok(&plp->plane))
 827         return 0;
 828     getplane(plp->plane.pln_uid, &plp->plane);
 829     pln_put1(plp);
 830     return 1;
 831 }
 832
 833 static int
 834 pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp, natid from,
 835                     int flak)
 836 {
 837     int disp;
 838     char dmess[255];
 839     int eff;
 840     natid plane_owner;
 841     int dam;
 842
 843     dam = ac_flak_dam(flak, pln_def(pp), pcp->pl_flags);
 844     disp = 0;
 845     plane_owner = pp->pln_own;
 846     eff = pp->pln_effic;
 847     if (dam <= 0)
 848         return 0;
 849     memset(dmess, 0, sizeof(dmess));
 850     eff -= dam;
 851     if (eff < 0)
 852         eff = 0;
 853     if (eff < PLANE_MINEFF) {
 854         sprintf(dmess, " -- shot down");
 855         disp = 1;
 856     } else if (chance((100 - eff) / 100.0)) {
 857         sprintf(dmess, " -- aborted with %d%% damage", 100 - eff);
 858         disp = 2;
 859     }
 860     PR(plane_owner, "    Flak! %s %s takes %d%s.\n",
 861        cname(pp->pln_own), prplane(pp), dam, dmess);
 862
 863     pp->pln_effic = eff;
 864     if (disp == 1) {
 865         if (from != 0)
 866             nreport(from, N_DOWN_PLANE, pp->pln_own, 1);
 867     }
 868     putplane(pp->pln_uid, pp);
 869
 870     if (disp > 0)
 871         return 1;
 872     return 0;
 873 }