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) 1986-2010, Dave Pare, Jeff Bailey, Thomas Ruschak,
   4  *                           Ken Stevens, Steve McClure
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  *  ---
  21  *
  22  *  See files README, COPYING and CREDITS in the root of the source
  23  *  tree for related information and legal notices.  It is expected
  24  *  that future projects/authors will amend these files as needed.
  25  *
  26  *  ---
  27  *
  28  *  bomb.c: Fly bombing missions
  29  *
  30  *  Known contributors to this file:
  31  *     Dave Pare, 1986
  32  *     Ken Stevens, 1995
  33  *     Steve McClure, 1998-2000
  34  *     Markus Armbruster, 2004-2009
  35  */
  36
  37 #include <config.h>
  38
  39 #include <ctype.h>
  40 #include "commands.h"
  41 #include "damage.h"
  42 #include "item.h"
  43 #include "land.h"
  44 #include "news.h"
  45 #include "nuke.h"
  46 #include "optlist.h"
  47 #include "path.h"
  48 #include "plane.h"
  49 #include "retreat.h"
  50 #include "ship.h"
  51
  52 static void pin_bomb(struct emp_qelem *, struct sctstr *);
  53 static void eff_bomb(struct emp_qelem *, struct sctstr *);
  54 static void comm_bomb(struct emp_qelem *, struct sctstr *);
  55 static void ship_bomb(struct emp_qelem *, struct sctstr *);
  56 static void plane_bomb(struct emp_qelem *, struct sctstr *);
  57 static void land_bomb(struct emp_qelem *, struct sctstr *);
  58 static void strat_bomb(struct emp_qelem *, struct sctstr *);
  59 static int changed_plane_aborts(struct plist *);
  60 static int pinflak_planedamage(struct plnstr *, struct plchrstr *,
  61                                natid, int);
  62
  63 static i_type bombcomm[] = {
  64     I_CIVIL,
  65     I_MILIT,
  66     I_SHELL,
  67     I_GUN,
  68     I_PETROL,
  69     I_IRON,
  70     I_DUST,
  71     I_BAR,
  72     I_FOOD,
  73     I_OIL,
  74     I_LCM,
  75     I_HCM,
  76     I_UW,
  77     I_RAD
  78 };
  79 static int nbomb = sizeof(bombcomm) / sizeof(*bombcomm);
  80
  81 int
  82 bomb(void)
  83 {
  84     char *p;
  85     coord tx, ty;
  86     coord ax, ay;
  87     int ap_to_target;
  88     char flightpath[MAX_PATH_LEN];
  89     struct nstr_item ni_bomb;
  90     struct nstr_item ni_esc;
  91     struct sctstr target;
  92     struct emp_qelem bomb_list;
  93     struct emp_qelem esc_list;
  94     struct sctstr ap_sect;
  95     char mission;
  96     struct plist *plp;
  97     struct emp_qelem *qp, *next;
  98     int rel;
  99     struct natstr *natp;
 100     char buf[1024];
 101
 102     if (get_planes(&ni_bomb, &ni_esc, player->argp[1], player->argp[2]) < 0)
 103         return RET_SYN;
 104     p = getstarg(player->argp[3], "pinpoint, or strategic? ", buf);
 105     if (!p || !*p)
 106         return RET_SYN;
 107     mission = *p;
 108     if (!strchr("ps", mission))
 109         return RET_SYN;
 110     if (!get_assembly_point(player->argp[4], &ap_sect, buf))
 111         return RET_SYN;
 112     ax = ap_sect.sct_x;
 113     ay = ap_sect.sct_y;
 114     if (!getpath(flightpath, player->argp[5], ax, ay, 0, 0, P_FLYING)
 115         || *flightpath == 0)
 116         return RET_SYN;
 117     tx = ax;
 118     ty = ay;
 119     (void)pathtoxy(flightpath, &tx, &ty, fcost);
 120     pr("target sector is %s\n", xyas(tx, ty, player->cnum));
 121     getsect(tx, ty, &target);
 122     ap_to_target = strlen(flightpath);
 123     if (flightpath[ap_to_target - 1] == 'h')
 124         ap_to_target--;
 125     pr("range to target is %d\n", ap_to_target);
 126     /*
 127      * select planes within range
 128      */
 129     pln_sel(&ni_bomb, &bomb_list, &ap_sect, ap_to_target, 2,
 130             P_B | P_T, P_M | P_O);
 131     pln_sel(&ni_esc, &esc_list, &ap_sect, ap_to_target, 2,
 132             P_ESC | P_F, P_M | P_O);
 133     /*
 134      * now arm and equip the bombers, transports, whatever.
 135      */
 136     pln_arm(&bomb_list, 2 * ap_to_target, mission, NULL);
 137     if (QEMPTY(&bomb_list)) {
 138         pr("No planes could be equipped for the mission.\n");
 139         return RET_FAIL;
 140     }
 141     pln_arm(&esc_list, 2 * ap_to_target, 'e', NULL);
 142     ac_encounter(&bomb_list, &esc_list, ax, ay, flightpath, 0);
 143     if (QEMPTY(&bomb_list)) {
 144         pr("No planes got through fighter defenses\n");
 145     } else if (target.sct_type == SCT_SANCT) {
 146         pr("You can't bomb that sector!\n");
 147     } else {
 148         switch (mission) {
 149         case 'p':
 150             pin_bomb(&bomb_list, &target);
 151             for (qp = bomb_list.q_forw; qp != &bomb_list; qp = next) {
 152                 next = qp->q_forw;
 153                 plp = (struct plist *)qp;
 154                 changed_plane_aborts(plp);
 155             }
 156             for (qp = esc_list.q_forw; qp != &esc_list; qp = next) {
 157                 next = qp->q_forw;
 158                 plp = (struct plist *)qp;
 159                 changed_plane_aborts(plp);
 160             }
 161             break;
 162         case 's':
 163             if (opt_SLOW_WAR) {
 164                 natp = getnatp(player->cnum);
 165                 if (target.sct_own) {
 166                     rel = getrel(natp, target.sct_own);
 167                     if ((rel != AT_WAR) && (player->cnum != target.sct_own)
 168                         && (target.sct_own) &&
 169                         (target.sct_oldown != player->cnum)) {
 170                         pr("You're not at war with them!\n");
 171                         pln_put(&bomb_list);
 172                         pln_put(&esc_list);
 173                         return RET_FAIL;
 174                     }
 175                 }
 176             }
 177             nreport(player->cnum, N_SCT_BOMB, target.sct_own, 1);
 178             strat_bomb(&bomb_list, &target);
 179             break;
 180         default:
 181             CANT_REACH();
 182         }
 183     }
 184     pln_put(&bomb_list);
 185     pln_put(&esc_list);
 186     return RET_OK;
 187 }
 188
 189 static void
 190 pin_bomb(struct emp_qelem *list, struct sctstr *target)
 191 {
 192     struct dchrstr *dcp;
 193     int nplanes;
 194     int nships;
 195     int type;
 196     int bad;
 197     char *p;
 198     int nsubs;
 199     int nunits;
 200     struct natstr *natp;
 201     int rel;
 202     char buf[1024];
 203     int i;
 204
 205     bad = 0;
 206     type = target->sct_type;
 207     dcp = &dchr[type];
 208     pr("Target sector is a %s constructed %s\n",
 209        effadv((int)target->sct_effic), dcp->d_name);
 210     nsubs = 0;
 211     nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 212     if (pln_caps(list) & P_A) {
 213         nsubs = shipsatxy(target->sct_x, target->sct_y, M_SUB, 0, 1);
 214         if (nsubs > 0)
 215             pr("Some subs are present in the sector.\n");
 216     }
 217     nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
 218     nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 219   retry:
 220     p = getstring("Bomb what? (ship, plane, land unit, efficiency, commodities) ",
 221                   buf);
 222     if (!p)
 223        return;
 224     if (!*p) {
 225         bad++;
 226         if (bad > 2)
 227             return;
 228         goto retry;
 229     }
 230     switch (*p) {
 231     case 'l':
 232         if (opt_SLOW_WAR) {
 233             natp = getnatp(player->cnum);
 234             if (target->sct_own) {
 235                 rel = getrel(natp, target->sct_own);
 236                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 237                     && (target->sct_own) &&
 238                     (target->sct_oldown != player->cnum)) {
 239                     pr("You're not at war with them!\n");
 240                     goto retry;
 241                 }
 242             }
 243         }
 244         if (nunits == 0) {
 245             pr("no units there\n");
 246             goto retry;
 247         }
 248         land_bomb(list, target);
 249         break;
 250     case 'p':
 251         if (opt_SLOW_WAR) {
 252             natp = getnatp(player->cnum);
 253             if (target->sct_own) {
 254                 rel = getrel(natp, target->sct_own);
 255                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 256                     && (target->sct_own) &&
 257                     (target->sct_oldown != player->cnum)) {
 258                     pr("You're not at war with them!\n");
 259                     goto retry;
 260                 }
 261             }
 262         }
 263         if (nplanes == 0) {
 264             pr("no planes there\n");
 265             goto retry;
 266         }
 267         plane_bomb(list, target);
 268         break;
 269     case 's':
 270         if (nships == 0) {
 271             if (pln_caps(list) & P_A) {
 272                 if (nsubs == 0) {
 273                     pr("no ships there\n");
 274                     goto retry;
 275                 }
 276             } else {
 277                 pr("no ships there\n");
 278                 goto retry;
 279             }
 280         }
 281         ship_bomb(list, target);
 282         break;
 283     case 'c':
 284         if (opt_SLOW_WAR) {
 285             natp = getnatp(player->cnum);
 286             if (target->sct_own) {
 287                 rel = getrel(natp, target->sct_own);
 288                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 289                     && (target->sct_own) &&
 290                     (target->sct_oldown != player->cnum)) {
 291                     pr("You're not at war with them!\n");
 292                     goto retry;
 293                 }
 294             }
 295         }
 296
 297         for (i = 0; i < nbomb; i++) {
 298             if (!target->sct_item[bombcomm[i]])
 299                 continue;
 300             break;
 301         }
 302         if (i >= nbomb) {
 303             pr("No bombable commodities in %s\n",
 304                xyas(target->sct_x, target->sct_y, player->cnum));
 305             goto retry;
 306         }
 307         comm_bomb(list, target);
 308         break;
 309     case 'e':
 310         if (opt_SLOW_WAR) {
 311             natp = getnatp(player->cnum);
 312             if (target->sct_own) {
 313                 rel = getrel(natp, target->sct_own);
 314                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 315                     && (target->sct_own) &&
 316                     (target->sct_oldown != player->cnum)) {
 317                     pr("You're not at war with them!\n");
 318                     goto retry;
 319                 }
 320             }
 321         }
 322         eff_bomb(list, target);
 323         break;
 324     case 'q':
 325         pr("Aborting mission.\n");
 326         return;
 327     default:
 328         pr("Bad target type.\n");
 329         goto retry;
 330     }
 331 }
 332
 333 static void
 334 eff_bomb(struct emp_qelem *list, struct sctstr *target)
 335 {
 336     struct plist *plp;
 337     struct emp_qelem *qp, *next;
 338     struct sctstr sect;
 339     int oldeff, dam = 0;
 340
 341     for (qp = list->q_forw; qp != list; qp = next) {
 342         next = qp->q_forw;
 343         plp = (struct plist *)qp;
 344         if (changed_plane_aborts(plp))
 345             continue;
 346         dam += pln_damage(&plp->plane, 'p', 1);
 347     }
 348     if (dam <= 0)
 349         return;
 350     getsect(target->sct_x, target->sct_y, &sect);
 351     target = &sect;
 352     oldeff = target->sct_effic;
 353     target->sct_effic = effdamage(target->sct_effic, dam);
 354     target->sct_avail = effdamage(target->sct_avail, dam);
 355     target->sct_road = effdamage(target->sct_road, dam);
 356     target->sct_rail = effdamage(target->sct_rail, dam);
 357     target->sct_defense = effdamage(target->sct_defense, dam);
 358     pr("did %d%% damage to efficiency in %s\n",
 359        oldeff - target->sct_effic,
 360        xyas(target->sct_x, target->sct_y, player->cnum));
 361     if (target->sct_own)
 362         wu(0, target->sct_own,
 363            "%s bombing raid did %d%% damage in %s\n",
 364            cname(player->cnum), oldeff - target->sct_effic,
 365            xyas(target->sct_x, target->sct_y, target->sct_own));
 366     bridge_damaged(target);
 367     putsect(&sect);
 368     collateral_damage(target->sct_x, target->sct_y, dam);
 369 }
 370
 371 static void
 372 comm_bomb(struct emp_qelem *list, struct sctstr *target)
 373 {
 374     struct plist *plp;
 375     double b;
 376     int i;
 377     int amt, before;
 378     struct ichrstr *ip;
 379     struct emp_qelem *qp, *next;
 380     struct sctstr sect;
 381     int dam = 0;
 382
 383     for (i = 0; i < nbomb; i++) {
 384         if (target->sct_item[bombcomm[i]] == 0)
 385             continue;
 386         if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 387             continue;
 388         ip = &ichr[bombcomm[i]];
 389         pr("some %s\n", ip->i_name);
 390     }
 391     for (;;) {
 392         ip = whatitem(NULL, "commodity to bomb? ");
 393         if (player->aborted)
 394             return;
 395         if (!ip)
 396             continue;
 397
 398         for (i = 0; i < nbomb; i++) {
 399             if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 400                 continue;
 401             if (&ichr[bombcomm[i]] == ip)
 402                 break;
 403         }
 404         if (i == nbomb) {
 405             pr("You can't bomb %s!\n", ip->i_name);
 406             for (i = 0; i < nbomb; i++) {
 407                 if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 408                     continue;
 409                 pr("%s%s", i == 0 ? "Bombable: " : ", ",
 410                    ichr[bombcomm[i]].i_name);
 411             }
 412             pr("\n");
 413         } else
 414             break;
 415     }
 416     for (qp = list->q_forw; qp != list; qp = next) {
 417         next = qp->q_forw;
 418         plp = (struct plist *)qp;
 419         if (changed_plane_aborts(plp))
 420             continue;
 421         dam += pln_damage(&plp->plane, 'p', 1);
 422     }
 423     if (dam <= 0)
 424         return;
 425     getsect(target->sct_x, target->sct_y, &sect);
 426     target = &sect;
 427     before = target->sct_item[ip->i_uid];
 428     target->sct_item[ip->i_uid] = amt = commdamage(before, dam, ip->i_uid);
 429     if (before > 0.0)
 430         b = 100.0 * (1.0 - (double)amt / (double)before);
 431     else
 432         b = 0.0;
 433     pr("did %.2f%% damage to %s in %s\n",
 434        b, ip->i_name, xyas(target->sct_x, target->sct_y, player->cnum));
 435     nreport(player->cnum, N_SCT_BOMB, target->sct_own, 1);
 436     if (target->sct_own != 0)
 437         wu(0, target->sct_own,
 438            "%s precision bombing raid did %.2f%% damage to %s in %s\n",
 439            cname(player->cnum), b, ip->i_name,
 440            xyas(target->sct_x, target->sct_y, target->sct_own));
 441     putsect(&sect);
 442     collateral_damage(target->sct_x, target->sct_y, dam);
 443 }
 444
 445 static void
 446 ship_bomb(struct emp_qelem *list, struct sctstr *target)
 447 {
 448     struct plist *plp;
 449     struct mchrstr *mcp;
 450     int dam;
 451     char *q;
 452     int n;
 453     struct emp_qelem *qp, *next;
 454     int shipno;
 455     struct shpstr ship;
 456     int nships = 0;
 457     struct shiplist *head = NULL;
 458     char buf[1024];
 459     char prompt[128];
 460     int hitchance;
 461     int flak;
 462     int gun;
 463
 464     for (qp = list->q_forw; qp != list; qp = next) {
 465         next = qp->q_forw;
 466         free_shiplist(&head);
 467         plp = (struct plist *)qp;
 468         if (changed_plane_aborts(plp))
 469             continue;
 470         if (plp->pcp->pl_flags & P_A)
 471             nships = asw_shipsatxy(target->sct_x, target->sct_y, 0, 0,
 472                                    &plp->plane, &head);
 473         else
 474             nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 475         if (nships == 0) {
 476             pr("%s could not find any ships!\n", prplane(&plp->plane));
 477             continue;
 478         }
 479         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 480                       prplane(&plp->plane), plp->load);
 481         shipno = -1;
 482         while (shipno < 0) {
 483             if (!(q = getstring(prompt, buf)))
 484                 goto out;
 485             if (*q == 0)
 486                 continue;
 487             if (*q == '~')
 488                 break;
 489             if (*q == '?') {
 490                 if (plp->pcp->pl_flags & P_A)
 491                     print_shiplist(head);
 492                 else
 493                     shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 494                 continue;
 495             }
 496             n = atoi(q);
 497             if (n < 0)
 498                 continue;
 499             if ((!(plp->pcp->pl_flags & P_A) || on_shiplist(n, head)) &&
 500                 getship(n, &ship) && ship.shp_own &&
 501                 ship.shp_x == target->sct_x && ship.shp_y == target->sct_y)
 502                 shipno = n;
 503             else
 504                 pr("Ship #%d not spotted\n", n);
 505         }
 506         if (shipno < 0)
 507             continue;
 508         if ((plp->pcp->pl_flags & P_A) && !on_shiplist(shipno, head))
 509             continue;
 510         if (changed_plane_aborts(plp))
 511             continue;
 512
 513         gun = shp_usable_guns(&ship);
 514         mcp = &mchr[(int)ship.shp_type];
 515         if (gun > 0 && !(mcp->m_flags & M_SUB)) {
 516             flak = (int)(techfact(ship.shp_tech, gun) * 2.0);
 517             PR(ship.shp_own, "Flak! Firing %d guns from ship %s\n",
 518                flak, prship(&ship));
 519             if (pinflak_planedamage(&plp->plane, plp->pcp, ship.shp_own, flak))
 520                 continue;
 521         }
 522
 523         dam = 0;
 524         if (nuk_on_plane(&plp->plane) >= 0)
 525             hitchance = 100;
 526         else {
 527             hitchance = pln_hitchance(&plp->plane,
 528                                       shp_hardtarget(&ship), EF_SHIP);
 529             pr("%d%% hitchance...", hitchance);
 530         }
 531         if (roll(100) <= hitchance) {
 532             /* pinbombing is more accurate than normal bombing */
 533             dam = 2 * pln_damage(&plp->plane, 'p', 1);
 534         } else {
 535             pr("splash\n");
 536             /* Bombs that miss have to land somewhere! */
 537             dam = pln_damage(&plp->plane, 'p', 0);
 538             collateral_damage(target->sct_x, target->sct_y, dam);
 539             dam = 0;
 540         }
 541         if (dam <= 0)
 542             continue;
 543         if (mcp->m_flags & M_SUB)
 544             nreport(player->cnum, N_SUB_BOMB, ship.shp_own, 1);
 545         else
 546             nreport(player->cnum, N_SHP_BOMB, ship.shp_own, 1);
 547         if (ship.shp_own) {
 548             wu(0, ship.shp_own, "%s bombs did %d damage to %s at %s\n",
 549                cname(player->cnum), dam,
 550                prship(&ship),
 551                xyas(target->sct_x, target->sct_y, ship.shp_own));
 552         }
 553         pr("\n");
 554         check_retreat_and_do_shipdamage(&ship, dam);
 555         if (ship.shp_rflags & RET_BOMBED)
 556             if (((ship.shp_rflags & RET_INJURED) == 0) || !dam)
 557                 retreat_ship(&ship, 'b');
 558         putship(ship.shp_uid, &ship);
 559         getship(ship.shp_uid, &ship);
 560         if (!ship.shp_own) {
 561             pr("%s at %s sunk!\n",
 562                prship(&ship),
 563                xyas(target->sct_x, target->sct_y, player->cnum));
 564         }
 565         collateral_damage(target->sct_x, target->sct_y, dam / 2);
 566     }
 567 out:
 568     free_shiplist(&head);
 569 }
 570
 571 static void
 572 plane_bomb(struct emp_qelem *list, struct sctstr *target)
 573 {
 574     int dam;
 575     char *q;
 576     int n;
 577     natid own;
 578     struct plnstr plane;
 579     struct emp_qelem *qp, *next;
 580     int planeno;
 581     struct plist *plp;
 582     char prompt[128];
 583     char buf[1024];
 584     int hitchance;
 585     int nplanes;
 586
 587     for (qp = list->q_forw; qp != list; qp = next) {
 588         next = qp->q_forw;
 589         plp = (struct plist *)qp;
 590         if (changed_plane_aborts(plp))
 591             continue;
 592         nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
 593         if (nplanes == 0) {
 594             pr("%s could not find any planes!\n", prplane(&plp->plane));
 595             continue;
 596         }
 597         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 598                       prplane(&plp->plane), plp->load);
 599         planeno = -1;
 600         while (planeno < 0) {
 601             if (!(q = getstring(prompt, buf)))
 602                 return;
 603             if (*q == 0)
 604                 continue;
 605             if (*q == '~')
 606                 break;
 607             if (*q == '?') {
 608                 planesatxy(target->sct_x, target->sct_y, 0, 0);
 609                 continue;
 610             }
 611             n = atoi(q);
 612             if (n < 0)
 613                 continue;
 614             if (getplane(n, &plane) &&
 615                 plane.pln_x == target->sct_x &&
 616                 plane.pln_y == target->sct_y &&
 617                 plane.pln_ship < 0 && plane.pln_land < 0 &&
 618                 !(plane.pln_flags & PLN_LAUNCHED))
 619                 planeno = n;
 620             else
 621                 pr("Plane #%d not spotted\n", n);
 622         }
 623         if (planeno < 0)
 624             continue;
 625         if (changed_plane_aborts(plp))
 626             continue;
 627         dam = 0;
 628         if (nuk_on_plane(&plp->plane) >= 0)
 629             hitchance = 100;
 630         else {
 631             hitchance = pln_hitchance(&plp->plane, 0, EF_PLANE);
 632             pr("%d%% hitchance...", hitchance);
 633         }
 634         if (roll(100) <= hitchance) {
 635             /* pinbombing is more accurate than normal bombing */
 636             dam = 2 * pln_damage(&plp->plane, 'p', 1);
 637         } else {
 638             pr("thud\n");
 639             /* Bombs that miss have to land somewhere! */
 640             dam = pln_damage(&plp->plane, 'p', 0);
 641             collateral_damage(target->sct_x, target->sct_y, dam);
 642             dam = 0;
 643         }
 644         if (dam <= 0)
 645             continue;
 646         if (dam > 100)
 647             dam = 100;
 648         own = plane.pln_own;
 649         if (dam > plane.pln_effic)
 650             plane.pln_effic = 0;
 651         else
 652             plane.pln_effic -= dam;
 653         plane.pln_mobil = (dam * plane.pln_mobil / 100.0);
 654         if (own == player->cnum) {
 655             pr("%s reports %d%% damage\n", prplane(&plane), dam);
 656         } else {
 657             if (own != 0)
 658                 wu(0, own,
 659                    "%s pinpoint bombing raid did %d%% damage to %s\n",
 660                    cname(player->cnum), dam, prplane(&plane));
 661         }
 662         nreport(player->cnum, N_DOWN_PLANE, own, 1);
 663         if (own != 0)
 664             wu(0, own, "%s bombs did %d%% damage to %s at %s\n",
 665                cname(player->cnum), dam, prplane(&plane),
 666                xyas(target->sct_x, target->sct_y, own));
 667         putplane(plane.pln_uid, &plane);
 668         collateral_damage(target->sct_x, target->sct_y, dam);
 669     }
 670 }
 671
 672 static void
 673 land_bomb(struct emp_qelem *list, struct sctstr *target)
 674 {
 675     int dam;
 676     char *q;
 677     int n;
 678     natid own;
 679     char prompt[128];
 680     char buf[1024];
 681     struct lndstr land;
 682     struct emp_qelem *qp, *next;
 683     int unitno;
 684     int aaf, flak, hitchance;
 685     struct plist *plp;
 686     int nunits;
 687
 688     for (qp = list->q_forw; qp != list; qp = next) {
 689         next = qp->q_forw;
 690         plp = (struct plist *)qp;
 691         if (changed_plane_aborts(plp))
 692             continue;
 693         nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 694         if (nunits == 0) {
 695             pr("%s could not find any units!\n", prplane(&plp->plane));
 696             continue;
 697         }
 698         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 699                       prplane(&plp->plane), plp->load);
 700         unitno = -1;
 701         while (unitno < 0) {
 702             if (!(q = getstring(prompt, buf)))
 703                 return;
 704             if (*q == 0)
 705                 continue;
 706             if (*q == '~')
 707                 break;
 708             if (*q == '?') {
 709                 unitsatxy(target->sct_x, target->sct_y, 0, 0);
 710                 continue;
 711             }
 712             n = atoi(q);
 713             if (n < 0)
 714                 continue;
 715             if (getland(n, &land) && land.lnd_own &&
 716                 land.lnd_ship < 0 && land.lnd_land < 0 &&
 717                 land.lnd_x == target->sct_x && land.lnd_y == target->sct_y)
 718                 unitno = n;
 719             else
 720                 pr("Unit #%d not spotted\n", n);
 721         }
 722         if (unitno < 0)
 723             continue;
 724         if (changed_plane_aborts(plp))
 725             continue;
 726
 727         aaf = lnd_aaf(&land);
 728         if (aaf) {
 729             flak = roundavg(techfact(land.lnd_tech,
 730                                      aaf * 3.0 * land.lnd_effic / 100.0));
 731             PR(land.lnd_own,
 732                "Flak! Firing flak guns from unit %s (aa rating %d)\n",
 733                prland(&land), aaf);
 734             if (pinflak_planedamage(&plp->plane, plp->pcp, land.lnd_own, flak))
 735                 continue;
 736         }
 737
 738         dam = 0;
 739         if (nuk_on_plane(&plp->plane) >= 0)
 740             hitchance = 100;
 741         else {
 742             hitchance = pln_hitchance(&plp->plane,
 743                                       lnd_hardtarget(&land), EF_LAND);
 744             pr("%d%% hitchance...", hitchance);
 745         }
 746         if (roll(100) <= hitchance) {
 747             dam = 2 * pln_damage(&plp->plane, 'p', 1);
 748         } else {
 749             pr("thud\n");
 750             /* Bombs that miss have to land somewhere! */
 751             dam = pln_damage(&plp->plane, 'p', 0);
 752             collateral_damage(target->sct_x, target->sct_y, dam);
 753             dam = 0;
 754         }
 755         if (dam <= 0)
 756             continue;
 757         if (dam > 100)
 758             dam = 100;
 759         own = land.lnd_own;
 760         mpr(own, "%s pinpoint bombing raid did %d damage to %s\n",
 761             cname(player->cnum), dam, prland(&land));
 762         check_retreat_and_do_landdamage(&land, dam);
 763
 764         if (land.lnd_rflags & RET_BOMBED)
 765             if (((land.lnd_rflags & RET_INJURED) == 0) || !dam)
 766                 retreat_land(&land, 'b');
 767         nreport(player->cnum, N_UNIT_BOMB, own, 1);
 768         putland(land.lnd_uid, &land);
 769         collateral_damage(target->sct_x, target->sct_y, dam);
 770     }
 771 }
 772
 773 static void
 774 strat_bomb(struct emp_qelem *list, struct sctstr *target)
 775 {
 776     struct plist *plp;
 777     int dam = 0;
 778     struct emp_qelem *qp;
 779     struct sctstr sect;
 780     struct nukstr nuke;
 781
 782     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 783         plp = (struct plist *)qp;
 784         if (getnuke(nuk_on_plane(&plp->plane), &nuke))
 785             detonate(&nuke, target->sct_x, target->sct_y,
 786                      plp->plane.pln_flags & PLN_AIRBURST);
 787         else
 788             dam += pln_damage(&plp->plane, 's', 1);
 789     }
 790     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 791         return;
 792     getsect(target->sct_x, target->sct_y, &sect);
 793     target = &sect;
 794     if (target->sct_own)
 795         wu(0, target->sct_own, "%s bombing raid did %d damage in %s\n",
 796            cname(player->cnum), PERCENT_DAMAGE(dam),
 797            xyas(target->sct_x, target->sct_y, target->sct_own));
 798
 799     sectdamage(target, dam);
 800
 801     pr("did %d damage in %s\n", PERCENT_DAMAGE(dam),
 802        xyas(target->sct_x, target->sct_y, player->cnum));
 803     putsect(&sect);
 804 }
 805
 806 static int
 807 changed_plane_aborts(struct plist *plp)
 808 {
 809     if (check_plane_ok(&plp->plane))
 810         return 0;
 811     getplane(plp->plane.pln_uid, &plp->plane);
 812     pln_put1(plp);
 813     return 1;
 814 }
 815
 816 static int
 817 pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp, natid from,
 818                     int flak)
 819 {
 820     int disp;
 821     char dmess[255];
 822     int eff;
 823     natid plane_owner;
 824     int dam;
 825
 826     dam = ac_flak_dam(flak, pln_def(pp), pcp->pl_flags);
 827     disp = 0;
 828     plane_owner = pp->pln_own;
 829     eff = pp->pln_effic;
 830     if (dam <= 0)
 831         return 0;
 832     memset(dmess, 0, sizeof(dmess));
 833     eff -= dam;
 834     if (eff < 0)
 835         eff = 0;
 836     if (eff < PLANE_MINEFF) {
 837         sprintf(dmess, " -- shot down");
 838         disp = 1;
 839     } else if (chance((100 - eff) / 100.0)) {
 840         sprintf(dmess, " -- aborted with %d%% damage", 100 - eff);
 841         disp = 2;
 842     }
 843     PR(plane_owner, "    Flak! %s %s takes %d%s.\n",
 844        cname(pp->pln_own), prplane(pp), dam, dmess);
 845
 846     pp->pln_effic = eff;
 847     if (disp == 1) {
 848         if (from != 0)
 849             nreport(from, N_DOWN_PLANE, pp->pln_own, 1);
 850     }
 851     putplane(pp->pln_uid, pp);
 852
 853     if (disp > 0)
 854         return 1;
 855     return 0;
 856 }