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, 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     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         dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 348                           'p', &nukedam, 1);
 349     }
 350     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 351         return;
 352     getsect(target->sct_x, target->sct_y, &sect);
 353     target = &sect;
 354     oldeff = target->sct_effic;
 355     target->sct_effic = effdamage(target->sct_effic, dam);
 356     target->sct_avail = effdamage(target->sct_avail, dam);
 357     target->sct_road = effdamage(target->sct_road, dam);
 358     target->sct_rail = effdamage(target->sct_rail, dam);
 359     target->sct_defense = effdamage(target->sct_defense, dam);
 360     pr("did %d%% damage to efficiency in %s\n",
 361        oldeff - target->sct_effic,
 362        xyas(target->sct_x, target->sct_y, player->cnum));
 363     if (target->sct_own)
 364         wu(0, target->sct_own,
 365            "%s bombing raid did %d%% damage in %s\n",
 366            cname(player->cnum), oldeff - target->sct_effic,
 367            xyas(target->sct_x, target->sct_y, target->sct_own));
 368     bridge_damaged(target);
 369     putsect(&sect);
 370     collateral_damage(target->sct_x, target->sct_y, dam);
 371 }
 372
 373 static void
 374 comm_bomb(struct emp_qelem *list, struct sctstr *target)
 375 {
 376     struct plist *plp;
 377     double b;
 378     int i;
 379     int amt, before;
 380     struct ichrstr *ip;
 381     struct emp_qelem *qp, *next;
 382     struct sctstr sect;
 383     int dam = 0;
 384     int nukedam;
 385
 386     for (i = 0; i < nbomb; i++) {
 387         if (target->sct_item[bombcomm[i]] == 0)
 388             continue;
 389         if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 390             continue;
 391         ip = &ichr[bombcomm[i]];
 392         pr("some %s\n", ip->i_name);
 393     }
 394     for (;;) {
 395         ip = whatitem(NULL, "commodity to bomb? ");
 396         if (player->aborted)
 397             return;
 398         if (!ip)
 399             continue;
 400
 401         for (i = 0; i < nbomb; i++) {
 402             if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 403                 continue;
 404             if (&ichr[bombcomm[i]] == ip)
 405                 break;
 406         }
 407         if (i == nbomb) {
 408             pr("You can't bomb %s!\n", ip->i_name);
 409             for (i = 0; i < nbomb; i++) {
 410                 if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 411                     continue;
 412                 pr("%s%s", i == 0 ? "Bombable: " : ", ",
 413                    ichr[bombcomm[i]].i_name);
 414             }
 415             pr("\n");
 416         } else
 417             break;
 418     }
 419     for (qp = list->q_forw; qp != list; qp = next) {
 420         next = qp->q_forw;
 421         plp = (struct plist *)qp;
 422         if (changed_plane_aborts(plp))
 423             continue;
 424         dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 425                           'p', &nukedam, 1);
 426     }
 427     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 428         return;
 429     getsect(target->sct_x, target->sct_y, &sect);
 430     target = &sect;
 431     before = target->sct_item[ip->i_uid];
 432     target->sct_item[ip->i_uid] = amt = commdamage(before, dam, ip->i_uid);
 433     if (before > 0.0)
 434         b = 100.0 * (1.0 - (double)amt / (double)before);
 435     else
 436         b = 0.0;
 437     pr("did %.2f%% damage to %s in %s\n",
 438        b, ip->i_name, xyas(target->sct_x, target->sct_y, player->cnum));
 439     nreport(player->cnum, N_SCT_BOMB, target->sct_own, 1);
 440     if (target->sct_own != 0)
 441         wu(0, target->sct_own,
 442            "%s precision bombing raid did %.2f%% damage to %s in %s\n",
 443            cname(player->cnum), b, ip->i_name,
 444            xyas(target->sct_x, target->sct_y, target->sct_own));
 445     putsect(&sect);
 446     collateral_damage(target->sct_x, target->sct_y, dam);
 447 }
 448
 449 static void
 450 ship_bomb(struct emp_qelem *list, struct sctstr *target)
 451 {
 452     struct plist *plp;
 453     struct mchrstr *mcp;
 454     int dam;
 455     char *q;
 456     int n;
 457     struct emp_qelem *qp, *next;
 458     int shipno;
 459     struct shpstr ship;
 460     int nships = 0;
 461     struct shiplist *head = NULL;
 462     char buf[1024];
 463     char prompt[128];
 464     int hitchance;
 465     int nukedam;
 466     int flak;
 467     int gun;
 468
 469     for (qp = list->q_forw; qp != list; qp = next) {
 470         next = qp->q_forw;
 471         free_shiplist(&head);
 472         plp = (struct plist *)qp;
 473         if (changed_plane_aborts(plp))
 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->load);
 486         shipno = -1;
 487         while (shipno < 0) {
 488             if (!(q = getstring(prompt, buf)))
 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         nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
 601         if (nplanes == 0) {
 602             pr("%s could not find any planes!\n", prplane(&plp->plane));
 603             continue;
 604         }
 605         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 606                       prplane(&plp->plane), plp->load);
 607         planeno = -1;
 608         while (planeno < 0) {
 609             if (!(q = getstring(prompt, buf)))
 610                 return;
 611             if (*q == 0)
 612                 continue;
 613             if (*q == '~')
 614                 break;
 615             if (*q == '?') {
 616                 planesatxy(target->sct_x, target->sct_y, 0, 0);
 617                 continue;
 618             }
 619             n = atoi(q);
 620             if (n < 0)
 621                 continue;
 622             if (getplane(n, &plane) &&
 623                 plane.pln_x == target->sct_x &&
 624                 plane.pln_y == target->sct_y &&
 625                 plane.pln_ship < 0 && plane.pln_land < 0 &&
 626                 !(plane.pln_flags & PLN_LAUNCHED))
 627                 planeno = n;
 628             else
 629                 pr("Plane #%d not spotted\n", n);
 630         }
 631         if (planeno < 0)
 632             continue;
 633         if (changed_plane_aborts(plp))
 634             continue;
 635         dam = 0;
 636         if (nuk_on_plane(&plp->plane) >= 0)
 637             hitchance = 100;
 638         else {
 639             hitchance = pln_hitchance(&plp->plane, 0, EF_PLANE);
 640             pr("%d%% hitchance...", hitchance);
 641         }
 642         if (roll(100) <= hitchance) {
 643             /* pinbombing is more accurate than normal bombing */
 644             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 645                                  'p', &nukedam, 1);
 646         } else {
 647             pr("thud\n");
 648             /* Bombs that miss have to land somewhere! */
 649             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 650                              'p', &nukedam, 0);
 651             collateral_damage(target->sct_x, target->sct_y, dam);
 652             dam = 0;
 653         }
 654         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 655             continue;
 656         if (dam > 100)
 657             dam = 100;
 658         own = plane.pln_own;
 659         if (dam > plane.pln_effic)
 660             plane.pln_effic = 0;
 661         else
 662             plane.pln_effic -= dam;
 663         plane.pln_mobil = (dam * plane.pln_mobil / 100.0);
 664         if (own == player->cnum) {
 665             pr("%s reports %d%% damage\n", prplane(&plane), dam);
 666         } else {
 667             if (own != 0)
 668                 wu(0, own,
 669                    "%s pinpoint bombing raid did %d%% damage to %s\n",
 670                    cname(player->cnum), dam, prplane(&plane));
 671         }
 672         nreport(player->cnum, N_DOWN_PLANE, own, 1);
 673         if (own != 0)
 674             wu(0, own, "%s bombs did %d%% damage to %s at %s\n",
 675                cname(player->cnum), dam, prplane(&plane),
 676                xyas(target->sct_x, target->sct_y, own));
 677         putplane(plane.pln_uid, &plane);
 678         collateral_damage(target->sct_x, target->sct_y, dam);
 679     }
 680 }
 681
 682 static void
 683 land_bomb(struct emp_qelem *list, struct sctstr *target)
 684 {
 685     int dam;
 686     char *q;
 687     int n;
 688     natid own;
 689     char prompt[128];
 690     char buf[1024];
 691     struct lndstr land;
 692     struct emp_qelem *qp, *next;
 693     int unitno;
 694     int aaf, flak, hitchance;
 695     struct plist *plp;
 696     int nukedam;
 697     int nunits;
 698
 699     for (qp = list->q_forw; qp != list; qp = next) {
 700         next = qp->q_forw;
 701         plp = (struct plist *)qp;
 702         if (changed_plane_aborts(plp))
 703             continue;
 704         nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 705         if (nunits == 0) {
 706             pr("%s could not find any units!\n", prplane(&plp->plane));
 707             continue;
 708         }
 709         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 710                       prplane(&plp->plane), plp->load);
 711         unitno = -1;
 712         while (unitno < 0) {
 713             if (!(q = getstring(prompt, buf)))
 714                 return;
 715             if (*q == 0)
 716                 continue;
 717             if (*q == '~')
 718                 break;
 719             if (*q == '?') {
 720                 unitsatxy(target->sct_x, target->sct_y, 0, 0);
 721                 continue;
 722             }
 723             n = atoi(q);
 724             if (n < 0)
 725                 continue;
 726             if (getland(n, &land) && land.lnd_own &&
 727                 land.lnd_ship < 0 && land.lnd_land < 0 &&
 728                 land.lnd_x == target->sct_x && land.lnd_y == target->sct_y)
 729                 unitno = n;
 730             else
 731                 pr("Unit #%d not spotted\n", n);
 732         }
 733         if (unitno < 0)
 734             continue;
 735         if (changed_plane_aborts(plp))
 736             continue;
 737
 738         aaf = lnd_aaf(&land);
 739         if (aaf) {
 740             flak = roundavg(techfact(land.lnd_tech,
 741                                      aaf * 3.0 * land.lnd_effic / 100.0));
 742             PR(land.lnd_own,
 743                "Flak! Firing flak guns from unit %s (aa rating %d)\n",
 744                prland(&land), aaf);
 745             if (pinflak_planedamage(&plp->plane, plp->pcp, land.lnd_own, flak))
 746                 continue;
 747         }
 748
 749         dam = 0;
 750         if (nuk_on_plane(&plp->plane) >= 0)
 751             hitchance = 100;
 752         else {
 753             hitchance = pln_hitchance(&plp->plane,
 754                                       lnd_hardtarget(&land), EF_LAND);
 755             pr("%d%% hitchance...", hitchance);
 756         }
 757         if (roll(100) <= hitchance) {
 758             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 759                                  'p', &nukedam, 1);
 760         } else {
 761             pr("thud\n");
 762             /* Bombs that miss have to land somewhere! */
 763             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 764                              'p', &nukedam, 0);
 765             collateral_damage(target->sct_x, target->sct_y, dam);
 766             dam = 0;
 767         }
 768         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 769             continue;
 770         if (dam > 100)
 771             dam = 100;
 772         own = land.lnd_own;
 773         mpr(own, "%s pinpoint bombing raid did %d damage to %s\n",
 774             cname(player->cnum), dam, prland(&land));
 775         check_retreat_and_do_landdamage(&land, dam);
 776
 777         if (land.lnd_rflags & RET_BOMBED)
 778             if (((land.lnd_rflags & RET_INJURED) == 0) || !dam)
 779                 retreat_land(&land, 'b');
 780         nreport(player->cnum, N_UNIT_BOMB, own, 1);
 781         putland(land.lnd_uid, &land);
 782         collateral_damage(target->sct_x, target->sct_y, dam);
 783     }
 784 }
 785
 786 static void
 787 strat_bomb(struct emp_qelem *list, struct sctstr *target)
 788 {
 789     struct plist *plp;
 790     int dam = 0;
 791     struct emp_qelem *qp;
 792     struct sctstr sect;
 793     int nukedam;
 794
 795     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 796         plp = (struct plist *)qp;
 797         dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 798                           's', &nukedam, 1);
 799     }
 800     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 801         return;
 802     getsect(target->sct_x, target->sct_y, &sect);
 803     target = &sect;
 804     if (target->sct_own)
 805         wu(0, target->sct_own, "%s bombing raid did %d damage in %s\n",
 806            cname(player->cnum), PERCENT_DAMAGE(dam),
 807            xyas(target->sct_x, target->sct_y, target->sct_own));
 808
 809     sectdamage(target, dam);
 810
 811     pr("did %d damage in %s\n", PERCENT_DAMAGE(dam),
 812        xyas(target->sct_x, target->sct_y, player->cnum));
 813     putsect(&sect);
 814 }
 815
 816 static int
 817 changed_plane_aborts(struct plist *plp)
 818 {
 819     if (check_plane_ok(&plp->plane))
 820         return 0;
 821     getplane(plp->plane.pln_uid, &plp->plane);
 822     pln_put1(plp);
 823     return 1;
 824 }
 825
 826 static int
 827 pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp, natid from,
 828                     int flak)
 829 {
 830     int disp;
 831     char dmess[255];
 832     int eff;
 833     natid plane_owner;
 834     int dam;
 835
 836     dam = ac_flak_dam(flak, pln_def(pp), pcp->pl_flags);
 837     disp = 0;
 838     plane_owner = pp->pln_own;
 839     eff = pp->pln_effic;
 840     if (dam <= 0)
 841         return 0;
 842     memset(dmess, 0, sizeof(dmess));
 843     eff -= dam;
 844     if (eff < 0)
 845         eff = 0;
 846     if (eff < PLANE_MINEFF) {
 847         sprintf(dmess, " -- shot down");
 848         disp = 1;
 849     } else if (chance((100 - eff) / 100.0)) {
 850         sprintf(dmess, " -- aborted with %d%% damage", 100 - eff);
 851         disp = 2;
 852     }
 853     PR(plane_owner, "    Flak! %s %s takes %d%s.\n",
 854        cname(pp->pln_own), prplane(pp), dam, dmess);
 855
 856     pp->pln_effic = eff;
 857     if (disp == 1) {
 858         if (from != 0)
 859             nreport(from, N_DOWN_PLANE, pp->pln_own, 1);
 860     }
 861     putplane(pp->pln_uid, pp);
 862
 863     if (disp > 0)
 864         return 1;
 865     return 0;
 866 }