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     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,
 130             2, P_B | P_T, P_M | P_O);
 131     pln_sel(&ni_esc, &esc_list, &ap_sect, ap_to_target,
 132             2, 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     int nukedam;
 341
 342     for (qp = list->q_forw; qp != list; qp = next) {
 343         next = qp->q_forw;
 344         plp = (struct plist *)qp;
 345         if (changed_plane_aborts(plp))
 346             continue;
 347         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 348             continue;
 349         if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
 350             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 351                               'p', &nukedam, 1);
 352     }
 353     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 354         return;
 355     getsect(target->sct_x, target->sct_y, &sect);
 356     target = &sect;
 357     oldeff = target->sct_effic;
 358     target->sct_effic = effdamage(target->sct_effic, dam);
 359     target->sct_avail = effdamage(target->sct_avail, dam);
 360     target->sct_road = effdamage(target->sct_road, dam);
 361     target->sct_rail = effdamage(target->sct_rail, dam);
 362     target->sct_defense = effdamage(target->sct_defense, dam);
 363     pr("did %d%% damage to efficiency in %s\n",
 364        oldeff - target->sct_effic,
 365        xyas(target->sct_x, target->sct_y, player->cnum));
 366     if (target->sct_own)
 367         wu(0, target->sct_own,
 368            "%s bombing raid did %d%% damage in %s\n",
 369            cname(player->cnum), oldeff - target->sct_effic,
 370            xyas(target->sct_x, target->sct_y, target->sct_own));
 371     bridge_damaged(target);
 372     putsect(&sect);
 373     collateral_damage(target->sct_x, target->sct_y, dam);
 374 }
 375
 376 static void
 377 comm_bomb(struct emp_qelem *list, struct sctstr *target)
 378 {
 379     struct plist *plp;
 380     double b;
 381     int i;
 382     int amt, before;
 383     struct ichrstr *ip;
 384     struct emp_qelem *qp, *next;
 385     struct sctstr sect;
 386     int dam = 0;
 387     int nukedam;
 388
 389     for (i = 0; i < nbomb; i++) {
 390         if (target->sct_item[bombcomm[i]] == 0)
 391             continue;
 392         if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 393             continue;
 394         ip = &ichr[bombcomm[i]];
 395         pr("some %s\n", ip->i_name);
 396     }
 397     for (;;) {
 398         ip = whatitem(NULL, "commodity to bomb? ");
 399         if (player->aborted)
 400             return;
 401         if (!ip)
 402             continue;
 403
 404         for (i = 0; i < nbomb; i++) {
 405             if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 406                 continue;
 407             if (&ichr[bombcomm[i]] == ip)
 408                 break;
 409         }
 410         if (i == nbomb) {
 411             pr("You can't bomb %s!\n", ip->i_name);
 412             for (i = 0; i < nbomb; i++) {
 413                 if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 414                     continue;
 415                 pr("%s%s", i == 0 ? "Bombable: " : ", ",
 416                    ichr[bombcomm[i]].i_name);
 417             }
 418             pr("\n");
 419         } else
 420             break;
 421     }
 422     for (qp = list->q_forw; qp != list; qp = next) {
 423         next = qp->q_forw;
 424         plp = (struct plist *)qp;
 425         if (changed_plane_aborts(plp))
 426             continue;
 427         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 428             continue;
 429         if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
 430             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 431                               'p', &nukedam, 1);
 432     }
 433     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 434         return;
 435     getsect(target->sct_x, target->sct_y, &sect);
 436     target = &sect;
 437     before = target->sct_item[ip->i_uid];
 438     target->sct_item[ip->i_uid] = amt = commdamage(before, dam, ip->i_uid);
 439     if (before > 0.0)
 440         b = 100.0 * (1.0 - (double)amt / (double)before);
 441     else
 442         b = 0.0;
 443     pr("did %.2f%% damage to %s in %s\n",
 444        b, ip->i_name, xyas(target->sct_x, target->sct_y, player->cnum));
 445     nreport(player->cnum, N_SCT_BOMB, target->sct_own, 1);
 446     if (target->sct_own != 0)
 447         wu(0, target->sct_own,
 448            "%s precision bombing raid did %.2f%% damage to %s in %s\n",
 449            cname(player->cnum), b, ip->i_name,
 450            xyas(target->sct_x, target->sct_y, target->sct_own));
 451     putsect(&sect);
 452     collateral_damage(target->sct_x, target->sct_y, dam);
 453 }
 454
 455 static void
 456 ship_bomb(struct emp_qelem *list, struct sctstr *target)
 457 {
 458     struct plist *plp;
 459     struct mchrstr *mcp;
 460     int dam;
 461     char *q;
 462     int n;
 463     struct emp_qelem *qp, *next;
 464     int shipno;
 465     struct shpstr ship;
 466     int nships = 0;
 467     struct shiplist *head = NULL;
 468     char buf[1024];
 469     char prompt[128];
 470     int hitchance;
 471     int nukedam;
 472     int flak;
 473     int gun;
 474
 475     for (qp = list->q_forw; qp != list; qp = next) {
 476         next = qp->q_forw;
 477         free_shiplist(&head);
 478         plp = (struct plist *)qp;
 479         if (changed_plane_aborts(plp))
 480             continue;
 481         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 482             continue;
 483         if (plp->pcp->pl_flags & P_A)
 484             nships = asw_shipsatxy(target->sct_x, target->sct_y, 0, 0,
 485                                    &plp->plane, &head);
 486         else
 487             nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 488         if (nships == 0) {
 489             pr("%s could not find any ships!\n", prplane(&plp->plane));
 490             continue;
 491         }
 492         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 493                       prplane(&plp->plane), plp->bombs);
 494         shipno = -1;
 495         while (shipno < 0) {
 496             if (!(q = getstring(prompt, buf)))
 497                 goto out;
 498             if (*q == 0)
 499                 continue;
 500             if (*q == '~')
 501                 break;
 502             if (*q == '?') {
 503                 if (plp->pcp->pl_flags & P_A)
 504                     print_shiplist(head);
 505                 else
 506                     shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 507                 continue;
 508             }
 509             n = atoi(q);
 510             if (n < 0)
 511                 continue;
 512             if ((!(plp->pcp->pl_flags & P_A) || on_shiplist(n, head)) &&
 513                 getship(n, &ship) && ship.shp_own &&
 514                 ship.shp_x == target->sct_x && ship.shp_y == target->sct_y)
 515                 shipno = n;
 516             else
 517                 pr("Ship #%d not spotted\n", n);
 518         }
 519         if (shipno < 0)
 520             continue;
 521         if ((plp->pcp->pl_flags & P_A) && !on_shiplist(shipno, head))
 522             continue;
 523         if (changed_plane_aborts(plp))
 524             continue;
 525
 526         gun = shp_usable_guns(&ship);
 527         mcp = &mchr[(int)ship.shp_type];
 528         if (gun > 0 && !(mcp->m_flags & M_SUB)) {
 529             flak = (int)(techfact(ship.shp_tech, gun) * 2.0);
 530             PR(ship.shp_own, "Flak! Firing %d guns from ship %s\n",
 531                flak, prship(&ship));
 532             if (pinflak_planedamage(&plp->plane, plp->pcp, ship.shp_own, flak))
 533                 continue;
 534         }
 535
 536         dam = 0;
 537         if (nuk_on_plane(&plp->plane) >= 0)
 538             hitchance = 100;
 539         else {
 540             hitchance = pln_hitchance(&plp->plane,
 541                                       shp_hardtarget(&ship), EF_SHIP);
 542             pr("%d%% hitchance...", hitchance);
 543         }
 544         if (roll(100) <= hitchance) {
 545             /* pinbombing is more accurate than normal bombing */
 546             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 547                                  'p', &nukedam, 1);
 548         } else {
 549             pr("splash\n");
 550             /* Bombs that miss have to land somewhere! */
 551             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 552                              'p', &nukedam, 0);
 553             collateral_damage(target->sct_x, target->sct_y, dam);
 554             dam = 0;
 555         }
 556         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 557             continue;
 558         if (mcp->m_flags & M_SUB)
 559             nreport(player->cnum, N_SUB_BOMB, ship.shp_own, 1);
 560         else
 561             nreport(player->cnum, N_SHP_BOMB, ship.shp_own, 1);
 562         if (ship.shp_own) {
 563             wu(0, ship.shp_own, "%s bombs did %d damage to %s at %s\n",
 564                cname(player->cnum), dam,
 565                prship(&ship),
 566                xyas(target->sct_x, target->sct_y, ship.shp_own));
 567         }
 568         pr("\n");
 569         check_retreat_and_do_shipdamage(&ship, dam);
 570         if (ship.shp_rflags & RET_BOMBED)
 571             if (((ship.shp_rflags & RET_INJURED) == 0) || !dam)
 572                 retreat_ship(&ship, 'b');
 573         putship(ship.shp_uid, &ship);
 574         getship(ship.shp_uid, &ship);
 575         if (!ship.shp_own) {
 576             pr("%s at %s sunk!\n",
 577                prship(&ship),
 578                xyas(target->sct_x, target->sct_y, player->cnum));
 579         }
 580         collateral_damage(target->sct_x, target->sct_y, dam / 2);
 581     }
 582 out:
 583     free_shiplist(&head);
 584 }
 585
 586 static void
 587 plane_bomb(struct emp_qelem *list, struct sctstr *target)
 588 {
 589     int dam;
 590     char *q;
 591     int n;
 592     natid own;
 593     struct plnstr plane;
 594     struct emp_qelem *qp, *next;
 595     int planeno;
 596     struct plist *plp;
 597     char prompt[128];
 598     char buf[1024];
 599     int hitchance;
 600     int nukedam;
 601     int nplanes;
 602
 603     for (qp = list->q_forw; qp != list; qp = next) {
 604         next = qp->q_forw;
 605         plp = (struct plist *)qp;
 606         if (changed_plane_aborts(plp))
 607             continue;
 608         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 609             continue;
 610         nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
 611         if (nplanes == 0) {
 612             pr("%s could not find any planes!\n", prplane(&plp->plane));
 613             continue;
 614         }
 615         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 616                       prplane(&plp->plane), plp->bombs);
 617         planeno = -1;
 618         while (planeno < 0) {
 619             if (!(q = getstring(prompt, buf)))
 620                 return;
 621             if (*q == 0)
 622                 continue;
 623             if (*q == '~')
 624                 break;
 625             if (*q == '?') {
 626                 planesatxy(target->sct_x, target->sct_y, 0, 0);
 627                 continue;
 628             }
 629             n = atoi(q);
 630             if (n < 0)
 631                 continue;
 632             if (getplane(n, &plane) &&
 633                 plane.pln_x == target->sct_x &&
 634                 plane.pln_y == target->sct_y &&
 635                 plane.pln_ship < 0 && plane.pln_land < 0 &&
 636                 !(plane.pln_flags & PLN_LAUNCHED))
 637                 planeno = n;
 638             else
 639                 pr("Plane #%d not spotted\n", n);
 640         }
 641         if (planeno < 0)
 642             continue;
 643         if (changed_plane_aborts(plp))
 644             continue;
 645         dam = 0;
 646         if (nuk_on_plane(&plp->plane) >= 0)
 647             hitchance = 100;
 648         else {
 649             hitchance = pln_hitchance(&plp->plane, 0, EF_PLANE);
 650             pr("%d%% hitchance...", hitchance);
 651         }
 652         if (roll(100) <= hitchance) {
 653             /* pinbombing is more accurate than normal bombing */
 654             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 655                                  'p', &nukedam, 1);
 656         } else {
 657             pr("thud\n");
 658             /* Bombs that miss have to land somewhere! */
 659             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 660                              'p', &nukedam, 0);
 661             collateral_damage(target->sct_x, target->sct_y, dam);
 662             dam = 0;
 663         }
 664         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 665             continue;
 666         if (dam > 100)
 667             dam = 100;
 668         own = plane.pln_own;
 669         if (dam > plane.pln_effic)
 670             plane.pln_effic = 0;
 671         else
 672             plane.pln_effic -= dam;
 673         plane.pln_mobil = (dam * plane.pln_mobil / 100.0);
 674         if (own == player->cnum) {
 675             pr("%s reports %d%% damage\n", prplane(&plane), dam);
 676         } else {
 677             if (own != 0)
 678                 wu(0, own,
 679                    "%s pinpoint bombing raid did %d%% damage to %s\n",
 680                    cname(player->cnum), dam, prplane(&plane));
 681         }
 682         nreport(player->cnum, N_DOWN_PLANE, own, 1);
 683         if (own != 0)
 684             wu(0, own, "%s bombs did %d%% damage to %s at %s\n",
 685                cname(player->cnum), dam, prplane(&plane),
 686                xyas(target->sct_x, target->sct_y, own));
 687         putplane(plane.pln_uid, &plane);
 688         collateral_damage(target->sct_x, target->sct_y, dam);
 689     }
 690 }
 691
 692 static void
 693 land_bomb(struct emp_qelem *list, struct sctstr *target)
 694 {
 695     int dam;
 696     char *q;
 697     int n;
 698     natid own;
 699     char prompt[128];
 700     char buf[1024];
 701     struct lndstr land;
 702     struct emp_qelem *qp, *next;
 703     int unitno;
 704     int aaf, flak, hitchance;
 705     struct plist *plp;
 706     int nukedam;
 707     int nunits;
 708
 709     for (qp = list->q_forw; qp != list; qp = next) {
 710         next = qp->q_forw;
 711         plp = (struct plist *)qp;
 712         if (changed_plane_aborts(plp))
 713             continue;
 714         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 715             continue;
 716         nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 717         if (nunits == 0) {
 718             pr("%s could not find any units!\n", prplane(&plp->plane));
 719             continue;
 720         }
 721         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 722                       prplane(&plp->plane), plp->bombs);
 723         unitno = -1;
 724         while (unitno < 0) {
 725             if (!(q = getstring(prompt, buf)))
 726                 return;
 727             if (*q == 0)
 728                 continue;
 729             if (*q == '~')
 730                 break;
 731             if (*q == '?') {
 732                 unitsatxy(target->sct_x, target->sct_y, 0, 0);
 733                 continue;
 734             }
 735             n = atoi(q);
 736             if (n < 0)
 737                 continue;
 738             if (getland(n, &land) && land.lnd_own &&
 739                 land.lnd_ship < 0 && land.lnd_land < 0 &&
 740                 land.lnd_x == target->sct_x && land.lnd_y == target->sct_y)
 741                 unitno = n;
 742             else
 743                 pr("Unit #%d not spotted\n", n);
 744         }
 745         if (unitno < 0)
 746             continue;
 747         if (changed_plane_aborts(plp))
 748             continue;
 749
 750         aaf = lnd_aaf(&land);
 751         if (aaf) {
 752             flak = roundavg(techfact(land.lnd_tech,
 753                                      aaf * 3.0 * land.lnd_effic / 100.0));
 754             PR(land.lnd_own,
 755                "Flak! Firing flak guns from unit %s (aa rating %d)\n",
 756                prland(&land), aaf);
 757             if (pinflak_planedamage(&plp->plane, plp->pcp, land.lnd_own, flak))
 758                 continue;
 759         }
 760
 761         dam = 0;
 762         if (nuk_on_plane(&plp->plane) >= 0)
 763             hitchance = 100;
 764         else {
 765             hitchance = pln_hitchance(&plp->plane,
 766                                       lnd_hardtarget(&land), EF_LAND);
 767             pr("%d%% hitchance...", hitchance);
 768         }
 769         if (roll(100) <= hitchance) {
 770             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 771                                  'p', &nukedam, 1);
 772         } else {
 773             pr("thud\n");
 774             /* Bombs that miss have to land somewhere! */
 775             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 776                              'p', &nukedam, 0);
 777             collateral_damage(target->sct_x, target->sct_y, dam);
 778             dam = 0;
 779         }
 780         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 781             continue;
 782         if (dam > 100)
 783             dam = 100;
 784         own = land.lnd_own;
 785         mpr(own, "%s pinpoint bombing raid did %d damage to %s\n",
 786             cname(player->cnum), dam, prland(&land));
 787         check_retreat_and_do_landdamage(&land, dam);
 788
 789         if (land.lnd_rflags & RET_BOMBED)
 790             if (((land.lnd_rflags & RET_INJURED) == 0) || !dam)
 791                 retreat_land(&land, 'b');
 792         nreport(player->cnum, N_UNIT_BOMB, own, 1);
 793         putland(land.lnd_uid, &land);
 794         collateral_damage(target->sct_x, target->sct_y, dam);
 795     }
 796 }
 797
 798 static void
 799 strat_bomb(struct emp_qelem *list, struct sctstr *target)
 800 {
 801     struct plist *plp;
 802     int dam = 0;
 803     struct emp_qelem *qp;
 804     struct sctstr sect;
 805     int nukedam;
 806
 807     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 808         plp = (struct plist *)qp;
 809         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 810             continue;
 811         if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
 812             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 813                               's', &nukedam, 1);
 814     }
 815     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 816         return;
 817     getsect(target->sct_x, target->sct_y, &sect);
 818     target = &sect;
 819     if (target->sct_own)
 820         wu(0, target->sct_own, "%s bombing raid did %d damage in %s\n",
 821            cname(player->cnum), PERCENT_DAMAGE(dam),
 822            xyas(target->sct_x, target->sct_y, target->sct_own));
 823
 824     sectdamage(target, dam);
 825
 826     pr("did %d damage in %s\n", PERCENT_DAMAGE(dam),
 827        xyas(target->sct_x, target->sct_y, player->cnum));
 828     putsect(&sect);
 829 }
 830
 831 static int
 832 changed_plane_aborts(struct plist *plp)
 833 {
 834     if (check_plane_ok(&plp->plane))
 835         return 0;
 836     getplane(plp->plane.pln_uid, &plp->plane);
 837     pln_put1(plp);
 838     return 1;
 839 }
 840
 841 static int
 842 pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp, natid from,
 843                     int flak)
 844 {
 845     int disp;
 846     char dmess[255];
 847     int eff;
 848     natid plane_owner;
 849     int dam;
 850
 851     dam = ac_flak_dam(flak, pln_def(pp), pcp->pl_flags);
 852     disp = 0;
 853     plane_owner = pp->pln_own;
 854     eff = pp->pln_effic;
 855     if (dam <= 0)
 856         return 0;
 857     memset(dmess, 0, sizeof(dmess));
 858     eff -= dam;
 859     if (eff < 0)
 860         eff = 0;
 861     if (eff < PLANE_MINEFF) {
 862         sprintf(dmess, " -- shot down");
 863         disp = 1;
 864     } else if (chance((100 - eff) / 100.0)) {
 865         sprintf(dmess, " -- aborted with %d%% damage", 100 - eff);
 866         disp = 2;
 867     }
 868     PR(plane_owner, "    Flak! %s %s takes %d%s.\n",
 869        cname(pp->pln_own), prplane(pp), dam, dmess);
 870
 871     pp->pln_effic = eff;
 872     if (disp == 1) {
 873         if (from != 0)
 874             nreport(from, N_DOWN_PLANE, pp->pln_own, 1);
 875     }
 876     putplane(pp->pln_uid, pp);
 877
 878     if (disp > 0)
 879         return 1;
 880     return 0;
 881 }