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

   1 /*
   2  *  Empire - A multi-player, client/server Internet based war game.
   3  *  Copyright (C) 1986-2009, Dave Pare, Jeff Bailey, Thomas Ruschak,
   4  *                           Ken Stevens, Steve McClure
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  *  ---
  21  *
  22  *  See files README, COPYING and CREDITS in the root of the source
  23  *  tree for related information and legal notices.  It is expected
  24  *  that future projects/authors will amend these files as needed.
  25  *
  26  *  ---
  27  *
  28  *  bomb.c: Fly bombing missions
  29  *
  30  *  Known contributors to this file:
  31  *     Dave Pare, 1986
  32  *     Ken Stevens, 1995
  33  *     Steve McClure, 1998-2000
  34  *     Markus Armbruster, 2004-2009
  35  */
  36
  37 #include <config.h>
  38
  39 #include <ctype.h>
  40 #include "commands.h"
  41 #include "damage.h"
  42 #include "item.h"
  43 #include "land.h"
  44 #include "news.h"
  45 #include "nuke.h"
  46 #include "optlist.h"
  47 #include "path.h"
  48 #include "plane.h"
  49 #include "retreat.h"
  50 #include "ship.h"
  51
  52 static void pin_bomb(struct emp_qelem *, struct sctstr *);
  53 static void eff_bomb(struct emp_qelem *, struct sctstr *);
  54 static void comm_bomb(struct emp_qelem *, struct sctstr *);
  55 static void ship_bomb(struct emp_qelem *, struct sctstr *);
  56 static void plane_bomb(struct emp_qelem *, struct sctstr *);
  57 static void land_bomb(struct emp_qelem *, struct sctstr *);
  58 static void strat_bomb(struct emp_qelem *, struct sctstr *);
  59 static int changed_plane_aborts(struct plist *);
  60 static int pinflak_planedamage(struct plnstr *, struct plchrstr *,
  61                                natid, int);
  62
  63 static i_type bombcomm[] = {
  64     I_CIVIL,
  65     I_MILIT,
  66     I_SHELL,
  67     I_GUN,
  68     I_PETROL,
  69     I_IRON,
  70     I_DUST,
  71     I_BAR,
  72     I_FOOD,
  73     I_OIL,
  74     I_LCM,
  75     I_HCM,
  76     I_UW,
  77     I_RAD
  78 };
  79 static int nbomb = sizeof(bombcomm) / sizeof(*bombcomm);
  80
  81 int
  82 bomb(void)
  83 {
  84     char *p;
  85     coord tx, ty;
  86     coord ax, ay;
  87     int ap_to_target;
  88     struct ichrstr *ip;
  89     char flightpath[MAX_PATH_LEN];
  90     struct nstr_item ni_bomb;
  91     struct nstr_item ni_esc;
  92     struct sctstr target;
  93     struct emp_qelem bomb_list;
  94     struct emp_qelem esc_list;
  95     int wantflags;
  96     struct sctstr ap_sect;
  97     char mission;
  98     struct plist *plp;
  99     struct emp_qelem *qp, *next;
 100     int rel;
 101     struct natstr *natp;
 102     char buf[1024];
 103
 104     wantflags = 0;
 105     if (get_planes(&ni_bomb, &ni_esc, player->argp[1], player->argp[2]) < 0)
 106         return RET_SYN;
 107     p = getstarg(player->argp[3], "pinpoint, or strategic? ", buf);
 108     if (!p || !*p)
 109         return RET_SYN;
 110     mission = *p;
 111     if (!strchr("ps", mission))
 112         return RET_SYN;
 113     if (!get_assembly_point(player->argp[4], &ap_sect, buf))
 114         return RET_SYN;
 115     ax = ap_sect.sct_x;
 116     ay = ap_sect.sct_y;
 117     if (!getpath(flightpath, player->argp[5], ax, ay, 0, 0, P_FLYING)
 118         || *flightpath == 0)
 119         return RET_SYN;
 120     tx = ax;
 121     ty = ay;
 122     (void)pathtoxy(flightpath, &tx, &ty, fcost);
 123     pr("target sector is %s\n", xyas(tx, ty, player->cnum));
 124     getsect(tx, ty, &target);
 125     ip = NULL;
 126     ap_to_target = strlen(flightpath);
 127     if (flightpath[ap_to_target - 1] == 'h')
 128         ap_to_target--;
 129     pr("range to target is %d\n", ap_to_target);
 130     /*
 131      * select planes within range
 132      */
 133     pln_sel(&ni_bomb, &bomb_list, &ap_sect, ap_to_target,
 134             2, wantflags, P_M | P_O);
 135     pln_sel(&ni_esc, &esc_list, &ap_sect, ap_to_target,
 136             2, wantflags | P_F | P_ESC, P_M | P_O);
 137     /*
 138      * now arm and equip the bombers, transports, whatever.
 139      */
 140     pln_arm(&bomb_list, 2 * ap_to_target, mission, ip, 0);
 141     if (QEMPTY(&bomb_list)) {
 142         pr("No planes could be equipped for the mission.\n");
 143         return RET_FAIL;
 144     }
 145     pln_arm(&esc_list, 2 * ap_to_target, mission, ip, P_F | P_ESC);
 146     ac_encounter(&bomb_list, &esc_list, ax, ay, flightpath, 0);
 147     if (QEMPTY(&bomb_list)) {
 148         pr("No planes got through fighter defenses\n");
 149     } else if (target.sct_type == SCT_SANCT) {
 150         pr("You can't bomb that sector!\n");
 151     } else {
 152         switch (mission) {
 153         case 'p':
 154             pin_bomb(&bomb_list, &target);
 155             for (qp = bomb_list.q_forw; qp != &bomb_list; qp = next) {
 156                 next = qp->q_forw;
 157                 plp = (struct plist *)qp;
 158                 changed_plane_aborts(plp);
 159             }
 160             for (qp = esc_list.q_forw; qp != &esc_list; qp = next) {
 161                 next = qp->q_forw;
 162                 plp = (struct plist *)qp;
 163                 changed_plane_aborts(plp);
 164             }
 165             break;
 166         case 's':
 167             if (opt_SLOW_WAR) {
 168                 natp = getnatp(player->cnum);
 169                 if (target.sct_own) {
 170                     rel = getrel(natp, target.sct_own);
 171                     if ((rel != AT_WAR) && (player->cnum != target.sct_own)
 172                         && (target.sct_own) &&
 173                         (target.sct_oldown != player->cnum)) {
 174                         pr("You're not at war with them!\n");
 175                         pln_put(&bomb_list);
 176                         pln_put(&esc_list);
 177                         return RET_FAIL;
 178                     }
 179                 }
 180             }
 181             nreport(player->cnum, N_SCT_BOMB, target.sct_own, 1);
 182             strat_bomb(&bomb_list, &target);
 183             break;
 184         default:
 185             CANT_REACH();
 186         }
 187     }
 188     pln_put(&bomb_list);
 189     pln_put(&esc_list);
 190     return RET_OK;
 191 }
 192
 193 static void
 194 pin_bomb(struct emp_qelem *list, struct sctstr *target)
 195 {
 196     struct dchrstr *dcp;
 197     int nplanes;
 198     int nships;
 199     int type;
 200     int bad;
 201     char *p;
 202     int nsubs;
 203     int nunits;
 204     struct natstr *natp;
 205     int rel;
 206     char buf[1024];
 207     int i;
 208
 209     bad = 0;
 210     type = target->sct_type;
 211     dcp = &dchr[type];
 212     pr("Target sector is a %s constructed %s\n",
 213        effadv((int)target->sct_effic), dcp->d_name);
 214     nsubs = 0;
 215     nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 216     if (pln_caps(list) & P_A) {
 217         nsubs = shipsatxy(target->sct_x, target->sct_y, M_SUB, 0, 1);
 218         if (nsubs > 0)
 219             pr("Some subs are present in the sector.\n");
 220     }
 221     nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
 222     nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 223   retry:
 224     p = getstring("Bomb what? (ship, plane, land unit, efficiency, commodities) ",
 225                   buf);
 226     if (!p)
 227        return;
 228     if (!*p) {
 229         bad++;
 230         if (bad > 2)
 231             return;
 232         goto retry;
 233     }
 234     switch (*p) {
 235     case 'l':
 236         if (opt_SLOW_WAR) {
 237             natp = getnatp(player->cnum);
 238             if (target->sct_own) {
 239                 rel = getrel(natp, target->sct_own);
 240                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 241                     && (target->sct_own) &&
 242                     (target->sct_oldown != player->cnum)) {
 243                     pr("You're not at war with them!\n");
 244                     goto retry;
 245                 }
 246             }
 247         }
 248         if (nunits == 0) {
 249             pr("no units there\n");
 250             goto retry;
 251         }
 252         land_bomb(list, target);
 253         break;
 254     case 'p':
 255         if (opt_SLOW_WAR) {
 256             natp = getnatp(player->cnum);
 257             if (target->sct_own) {
 258                 rel = getrel(natp, target->sct_own);
 259                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 260                     && (target->sct_own) &&
 261                     (target->sct_oldown != player->cnum)) {
 262                     pr("You're not at war with them!\n");
 263                     goto retry;
 264                 }
 265             }
 266         }
 267         if (nplanes == 0) {
 268             pr("no planes there\n");
 269             goto retry;
 270         }
 271         plane_bomb(list, target);
 272         break;
 273     case 's':
 274         if (nships == 0) {
 275             if (pln_caps(list) & P_A) {
 276                 if (nsubs == 0) {
 277                     pr("no ships there\n");
 278                     goto retry;
 279                 }
 280             } else {
 281                 pr("no ships there\n");
 282                 goto retry;
 283             }
 284         }
 285         ship_bomb(list, target);
 286         break;
 287     case 'c':
 288         if (opt_SLOW_WAR) {
 289             natp = getnatp(player->cnum);
 290             if (target->sct_own) {
 291                 rel = getrel(natp, target->sct_own);
 292                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 293                     && (target->sct_own) &&
 294                     (target->sct_oldown != player->cnum)) {
 295                     pr("You're not at war with them!\n");
 296                     goto retry;
 297                 }
 298             }
 299         }
 300
 301         for (i = 0; i < nbomb; i++) {
 302             if (!target->sct_item[bombcomm[i]])
 303                 continue;
 304             break;
 305         }
 306         if (i >= nbomb) {
 307             pr("No bombable commodities in %s\n",
 308                xyas(target->sct_x, target->sct_y, player->cnum));
 309             goto retry;
 310         }
 311         comm_bomb(list, target);
 312         break;
 313     case 'e':
 314         if (opt_SLOW_WAR) {
 315             natp = getnatp(player->cnum);
 316             if (target->sct_own) {
 317                 rel = getrel(natp, target->sct_own);
 318                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 319                     && (target->sct_own) &&
 320                     (target->sct_oldown != player->cnum)) {
 321                     pr("You're not at war with them!\n");
 322                     goto retry;
 323                 }
 324             }
 325         }
 326         eff_bomb(list, target);
 327         break;
 328     case 'q':
 329         pr("Aborting mission.\n");
 330         return;
 331     default:
 332         pr("Bad target type.\n");
 333         goto retry;
 334     }
 335 }
 336
 337 static void
 338 eff_bomb(struct emp_qelem *list, struct sctstr *target)
 339 {
 340     struct plist *plp;
 341     struct emp_qelem *qp, *next;
 342     struct sctstr sect;
 343     int oldeff, dam = 0;
 344     int nukedam;
 345
 346     for (qp = list->q_forw; qp != list; qp = next) {
 347         next = qp->q_forw;
 348         plp = (struct plist *)qp;
 349         if (changed_plane_aborts(plp))
 350             continue;
 351         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 352             continue;
 353         if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
 354             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 355                               'p', &nukedam, 1);
 356     }
 357     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 358         return;
 359     getsect(target->sct_x, target->sct_y, &sect);
 360     target = &sect;
 361     oldeff = target->sct_effic;
 362     target->sct_effic = effdamage(target->sct_effic, dam);
 363     target->sct_avail = effdamage(target->sct_avail, dam);
 364     target->sct_road = effdamage(target->sct_road, dam);
 365     target->sct_rail = effdamage(target->sct_rail, dam);
 366     target->sct_defense = effdamage(target->sct_defense, dam);
 367     pr("did %d%% damage to efficiency in %s\n",
 368        oldeff - target->sct_effic,
 369        xyas(target->sct_x, target->sct_y, player->cnum));
 370     if (target->sct_own)
 371         wu(0, target->sct_own,
 372            "%s bombing raid did %d%% damage in %s\n",
 373            cname(player->cnum), oldeff - target->sct_effic,
 374            xyas(target->sct_x, target->sct_y, target->sct_own));
 375     bridge_damaged(target);
 376     putsect(&sect);
 377     collateral_damage(target->sct_x, target->sct_y, dam);
 378 }
 379
 380 static void
 381 comm_bomb(struct emp_qelem *list, struct sctstr *target)
 382 {
 383     struct plist *plp;
 384     double b;
 385     int i;
 386     int amt, before;
 387     struct ichrstr *ip;
 388     struct emp_qelem *qp, *next;
 389     struct sctstr sect;
 390     int dam = 0;
 391     int nukedam;
 392
 393     for (i = 0; i < nbomb; i++) {
 394         if (target->sct_item[bombcomm[i]] == 0)
 395             continue;
 396         if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 397             continue;
 398         ip = &ichr[bombcomm[i]];
 399         pr("some %s\n", ip->i_name);
 400     }
 401     for (;;) {
 402         ip = whatitem(NULL, "commodity to bomb? ");
 403         if (player->aborted)
 404             return;
 405         if (!ip)
 406             continue;
 407
 408         for (i = 0; i < nbomb; i++) {
 409             if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 410                 continue;
 411             if (&ichr[bombcomm[i]] == ip)
 412                 break;
 413         }
 414         if (i == nbomb) {
 415             pr("You can't bomb %s!\n", ip->i_name);
 416             for (i = 0; i < nbomb; i++) {
 417                 if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 418                     continue;
 419                 pr("%s%s", i == 0 ? "Bombable: " : ", ",
 420                    ichr[bombcomm[i]].i_name);
 421             }
 422             pr("\n");
 423         } else
 424             break;
 425     }
 426     for (qp = list->q_forw; qp != list; qp = next) {
 427         next = qp->q_forw;
 428         plp = (struct plist *)qp;
 429         if (changed_plane_aborts(plp))
 430             continue;
 431         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 432             continue;
 433         if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
 434             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 435                               'p', &nukedam, 1);
 436     }
 437     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 438         return;
 439     getsect(target->sct_x, target->sct_y, &sect);
 440     target = &sect;
 441     before = target->sct_item[ip->i_uid];
 442     target->sct_item[ip->i_uid] = amt = commdamage(before, dam, ip->i_uid);
 443     if (before > 0.0)
 444         b = 100.0 * (1.0 - (double)amt / (double)before);
 445     else
 446         b = 0.0;
 447     pr("did %.2f%% damage to %s in %s\n",
 448        b, ip->i_name, xyas(target->sct_x, target->sct_y, player->cnum));
 449     nreport(player->cnum, N_SCT_BOMB, target->sct_own, 1);
 450     if (target->sct_own != 0)
 451         wu(0, target->sct_own,
 452            "%s precision bombing raid did %.2f%% damage to %s in %s\n",
 453            cname(player->cnum), b, ip->i_name,
 454            xyas(target->sct_x, target->sct_y, target->sct_own));
 455     putsect(&sect);
 456     collateral_damage(target->sct_x, target->sct_y, dam);
 457 }
 458
 459 static void
 460 ship_bomb(struct emp_qelem *list, struct sctstr *target)
 461 {
 462     struct plist *plp;
 463     struct mchrstr *mcp;
 464     int dam;
 465     char *q;
 466     int n;
 467     struct emp_qelem *qp, *next;
 468     int shipno;
 469     struct shpstr ship;
 470     int nships = 0;
 471     struct shiplist *head = NULL;
 472     char buf[1024];
 473     char prompt[128];
 474     int hitchance;
 475     int nukedam;
 476     int flak;
 477     int gun;
 478
 479     for (qp = list->q_forw; qp != list; qp = next) {
 480         next = qp->q_forw;
 481         free_shiplist(&head);
 482         plp = (struct plist *)qp;
 483         if (changed_plane_aborts(plp))
 484             continue;
 485         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 486             continue;
 487         if (plp->pcp->pl_flags & P_A)
 488             nships = asw_shipsatxy(target->sct_x, target->sct_y, 0, 0,
 489                                    &plp->plane, &head);
 490         else
 491             nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 492         if (nships == 0) {
 493             pr("%s could not find any ships!\n", prplane(&plp->plane));
 494             continue;
 495         }
 496         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 497                       prplane(&plp->plane), plp->bombs);
 498         shipno = -1;
 499         while (shipno < 0) {
 500             if (!(q = getstring(prompt, buf)))
 501                 goto out;
 502             if (*q == 0)
 503                 continue;
 504             if (*q == '~')
 505                 break;
 506             if (*q == '?') {
 507                 if (plp->pcp->pl_flags & P_A)
 508                     print_shiplist(head);
 509                 else
 510                     shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 511                 continue;
 512             }
 513             n = atoi(q);
 514             if (n < 0)
 515                 continue;
 516             if ((!(plp->pcp->pl_flags & P_A) || on_shiplist(n, head)) &&
 517                 getship(n, &ship) && ship.shp_own &&
 518                 ship.shp_x == target->sct_x && ship.shp_y == target->sct_y)
 519                 shipno = n;
 520             else
 521                 pr("Ship #%d not spotted\n", n);
 522         }
 523         if (shipno < 0)
 524             continue;
 525         if ((plp->pcp->pl_flags & P_A) && !on_shiplist(shipno, head))
 526             continue;
 527         if (changed_plane_aborts(plp))
 528             continue;
 529
 530         gun = shp_usable_guns(&ship);
 531         mcp = &mchr[(int)ship.shp_type];
 532         if (gun > 0 && !(mcp->m_flags & M_SUB)) {
 533             flak = (int)(techfact(ship.shp_tech, gun) * 2.0);
 534             PR(ship.shp_own, "Flak! Firing %d guns from ship %s\n",
 535                flak, prship(&ship));
 536             if (pinflak_planedamage(&plp->plane, plp->pcp, ship.shp_own, flak))
 537                 continue;
 538         }
 539
 540         dam = 0;
 541         if (nuk_on_plane(&plp->plane) >= 0)
 542             hitchance = 100;
 543         else {
 544             hitchance = pln_hitchance(&plp->plane,
 545                                       shp_hardtarget(&ship), EF_SHIP);
 546             pr("%d%% hitchance...", hitchance);
 547         }
 548         if (roll(100) <= hitchance) {
 549             /* pinbombing is more accurate than normal bombing */
 550             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 551                                  'p', &nukedam, 1);
 552         } else {
 553             pr("splash\n");
 554             /* Bombs that miss have to land somewhere! */
 555             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 556                              'p', &nukedam, 0);
 557             collateral_damage(target->sct_x, target->sct_y, dam);
 558             dam = 0;
 559         }
 560         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 561             continue;
 562         if (mcp->m_flags & M_SUB)
 563             nreport(player->cnum, N_SUB_BOMB, ship.shp_own, 1);
 564         else
 565             nreport(player->cnum, N_SHP_BOMB, ship.shp_own, 1);
 566         if (ship.shp_own) {
 567             wu(0, ship.shp_own, "%s bombs did %d damage to %s at %s\n",
 568                cname(player->cnum), dam,
 569                prship(&ship),
 570                xyas(target->sct_x, target->sct_y, ship.shp_own));
 571         }
 572         pr("\n");
 573         check_retreat_and_do_shipdamage(&ship, dam);
 574         if (ship.shp_rflags & RET_BOMBED)
 575             if (((ship.shp_rflags & RET_INJURED) == 0) || !dam)
 576                 retreat_ship(&ship, 'b');
 577         putship(ship.shp_uid, &ship);
 578         getship(ship.shp_uid, &ship);
 579         if (!ship.shp_own) {
 580             pr("%s at %s sunk!\n",
 581                prship(&ship),
 582                xyas(target->sct_x, target->sct_y, player->cnum));
 583         }
 584         collateral_damage(target->sct_x, target->sct_y, dam / 2);
 585     }
 586 out:
 587     free_shiplist(&head);
 588 }
 589
 590 static void
 591 plane_bomb(struct emp_qelem *list, struct sctstr *target)
 592 {
 593     int dam;
 594     char *q;
 595     int n;
 596     natid own;
 597     struct plnstr plane;
 598     struct emp_qelem *qp, *next;
 599     int planeno;
 600     struct plist *plp;
 601     char prompt[128];
 602     char buf[1024];
 603     int hitchance;
 604     int nukedam;
 605     int nplanes;
 606
 607     for (qp = list->q_forw; qp != list; qp = next) {
 608         next = qp->q_forw;
 609         plp = (struct plist *)qp;
 610         if (changed_plane_aborts(plp))
 611             continue;
 612         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 613             continue;
 614         nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
 615         if (nplanes == 0) {
 616             pr("%s could not find any planes!\n", prplane(&plp->plane));
 617             continue;
 618         }
 619         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 620                       prplane(&plp->plane), plp->bombs);
 621         planeno = -1;
 622         while (planeno < 0) {
 623             if (!(q = getstring(prompt, buf)))
 624                 return;
 625             if (*q == 0)
 626                 continue;
 627             if (*q == '~')
 628                 break;
 629             if (*q == '?') {
 630                 planesatxy(target->sct_x, target->sct_y, 0, 0);
 631                 continue;
 632             }
 633             n = atoi(q);
 634             if (n < 0)
 635                 continue;
 636             if (getplane(n, &plane) &&
 637                 plane.pln_x == target->sct_x &&
 638                 plane.pln_y == target->sct_y &&
 639                 plane.pln_ship < 0 && plane.pln_land < 0 &&
 640                 !(plane.pln_flags & PLN_LAUNCHED))
 641                 planeno = n;
 642             else
 643                 pr("Plane #%d not spotted\n", n);
 644         }
 645         if (planeno < 0)
 646             continue;
 647         if (changed_plane_aborts(plp))
 648             continue;
 649         dam = 0;
 650         if (nuk_on_plane(&plp->plane) >= 0)
 651             hitchance = 100;
 652         else {
 653             hitchance = pln_hitchance(&plp->plane, 0, EF_PLANE);
 654             pr("%d%% hitchance...", hitchance);
 655         }
 656         if (roll(100) <= hitchance) {
 657             /* pinbombing is more accurate than normal bombing */
 658             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 659                                  'p', &nukedam, 1);
 660         } else {
 661             pr("thud\n");
 662             /* Bombs that miss have to land somewhere! */
 663             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 664                              'p', &nukedam, 0);
 665             collateral_damage(target->sct_x, target->sct_y, dam);
 666             dam = 0;
 667         }
 668         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 669             continue;
 670         if (dam > 100)
 671             dam = 100;
 672         own = plane.pln_own;
 673         if (dam > plane.pln_effic)
 674             plane.pln_effic = 0;
 675         else
 676             plane.pln_effic -= dam;
 677         plane.pln_mobil = (dam * plane.pln_mobil / 100.0);
 678         if (own == player->cnum) {
 679             pr("%s reports %d%% damage\n", prplane(&plane), dam);
 680         } else {
 681             if (own != 0)
 682                 wu(0, own,
 683                    "%s pinpoint bombing raid did %d%% damage to %s\n",
 684                    cname(player->cnum), dam, prplane(&plane));
 685         }
 686         nreport(player->cnum, N_DOWN_PLANE, own, 1);
 687         if (own != 0)
 688             wu(0, own, "%s bombs did %d%% damage to %s at %s\n",
 689                cname(player->cnum), dam, prplane(&plane),
 690                xyas(target->sct_x, target->sct_y, own));
 691         putplane(plane.pln_uid, &plane);
 692         collateral_damage(target->sct_x, target->sct_y, dam);
 693     }
 694 }
 695
 696 static void
 697 land_bomb(struct emp_qelem *list, struct sctstr *target)
 698 {
 699     int dam;
 700     char *q;
 701     int n;
 702     natid own;
 703     char prompt[128];
 704     char buf[1024];
 705     struct lndstr land;
 706     struct emp_qelem *qp, *next;
 707     int unitno;
 708     int aaf, flak, hitchance;
 709     struct plist *plp;
 710     int nukedam;
 711     int nunits;
 712
 713     for (qp = list->q_forw; qp != list; qp = next) {
 714         next = qp->q_forw;
 715         plp = (struct plist *)qp;
 716         if (changed_plane_aborts(plp))
 717             continue;
 718         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 719             continue;
 720         nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 721         if (nunits == 0) {
 722             pr("%s could not find any units!\n", prplane(&plp->plane));
 723             continue;
 724         }
 725         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 726                       prplane(&plp->plane), plp->bombs);
 727         unitno = -1;
 728         while (unitno < 0) {
 729             if (!(q = getstring(prompt, buf)))
 730                 return;
 731             if (*q == 0)
 732                 continue;
 733             if (*q == '~')
 734                 break;
 735             if (*q == '?') {
 736                 unitsatxy(target->sct_x, target->sct_y, 0, 0);
 737                 continue;
 738             }
 739             n = atoi(q);
 740             if (n < 0)
 741                 continue;
 742             if (getland(n, &land) && land.lnd_own &&
 743                 land.lnd_ship < 0 && land.lnd_land < 0 &&
 744                 land.lnd_x == target->sct_x && land.lnd_y == target->sct_y)
 745                 unitno = n;
 746             else
 747                 pr("Unit #%d not spotted\n", n);
 748         }
 749         if (unitno < 0)
 750             continue;
 751         if (changed_plane_aborts(plp))
 752             continue;
 753
 754         aaf = lnd_aaf(&land);
 755         if (aaf) {
 756             flak = roundavg(techfact(land.lnd_tech,
 757                                      aaf * 3.0 * land.lnd_effic / 100.0));
 758             PR(land.lnd_own,
 759                "Flak! Firing flak guns from unit %s (aa rating %d)\n",
 760                prland(&land), aaf);
 761             if (pinflak_planedamage(&plp->plane, plp->pcp, land.lnd_own, flak))
 762                 continue;
 763         }
 764
 765         dam = 0;
 766         if (nuk_on_plane(&plp->plane) >= 0)
 767             hitchance = 100;
 768         else {
 769             hitchance = pln_hitchance(&plp->plane,
 770                                       lnd_hardtarget(&land), EF_LAND);
 771             pr("%d%% hitchance...", hitchance);
 772         }
 773         if (roll(100) <= hitchance) {
 774             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 775                                  'p', &nukedam, 1);
 776         } else {
 777             pr("thud\n");
 778             /* Bombs that miss have to land somewhere! */
 779             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 780                              'p', &nukedam, 0);
 781             collateral_damage(target->sct_x, target->sct_y, dam);
 782             dam = 0;
 783         }
 784         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 785             continue;
 786         if (dam > 100)
 787             dam = 100;
 788         own = land.lnd_own;
 789         mpr(own, "%s pinpoint bombing raid did %d damage to %s\n",
 790             cname(player->cnum), dam, prland(&land));
 791         check_retreat_and_do_landdamage(&land, dam);
 792
 793         if (land.lnd_rflags & RET_BOMBED)
 794             if (((land.lnd_rflags & RET_INJURED) == 0) || !dam)
 795                 retreat_land(&land, 'b');
 796         nreport(player->cnum, N_UNIT_BOMB, own, 1);
 797         putland(land.lnd_uid, &land);
 798         collateral_damage(target->sct_x, target->sct_y, dam);
 799     }
 800 }
 801
 802 static void
 803 strat_bomb(struct emp_qelem *list, struct sctstr *target)
 804 {
 805     struct plist *plp;
 806     int dam = 0;
 807     struct emp_qelem *qp;
 808     struct sctstr sect;
 809     int nukedam;
 810
 811     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 812         plp = (struct plist *)qp;
 813         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 814             continue;
 815         if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
 816             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 817                               's', &nukedam, 1);
 818     }
 819     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 820         return;
 821     getsect(target->sct_x, target->sct_y, &sect);
 822     target = &sect;
 823     if (target->sct_own)
 824         wu(0, target->sct_own, "%s bombing raid did %d damage in %s\n",
 825            cname(player->cnum), PERCENT_DAMAGE(dam),
 826            xyas(target->sct_x, target->sct_y, target->sct_own));
 827
 828     sectdamage(target, dam);
 829
 830     pr("did %d damage in %s\n", PERCENT_DAMAGE(dam),
 831        xyas(target->sct_x, target->sct_y, player->cnum));
 832     putsect(&sect);
 833 }
 834
 835 static int
 836 changed_plane_aborts(struct plist *plp)
 837 {
 838     if (check_plane_ok(&plp->plane))
 839         return 0;
 840     getplane(plp->plane.pln_uid, &plp->plane);
 841     pln_put1(plp);
 842     return 1;
 843 }
 844
 845 static int
 846 pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp, natid from,
 847                     int flak)
 848 {
 849     int disp;
 850     char dmess[255];
 851     int eff;
 852     natid plane_owner;
 853     int dam;
 854
 855     dam = ac_flak_dam(flak, pln_def(pp), pcp->pl_flags);
 856     disp = 0;
 857     plane_owner = pp->pln_own;
 858     eff = pp->pln_effic;
 859     if (dam <= 0)
 860         return 0;
 861     memset(dmess, 0, sizeof(dmess));
 862     eff -= dam;
 863     if (eff < 0)
 864         eff = 0;
 865     if (eff < PLANE_MINEFF) {
 866         sprintf(dmess, " -- shot down");
 867         disp = 1;
 868     } else if (chance((100 - eff) / 100.0)) {
 869         sprintf(dmess, " -- aborted with %d%% damage", 100 - eff);
 870         disp = 2;
 871     }
 872     PR(plane_owner, "    Flak! %s %s takes %d%s.\n",
 873        cname(pp->pln_own), prplane(pp), dam, dmess);
 874
 875     pp->pln_effic = eff;
 876     if (disp == 1) {
 877         if (from != 0)
 878             nreport(from, N_DOWN_PLANE, pp->pln_own, 1);
 879     }
 880     putplane(pp->pln_uid, pp);
 881
 882     if (disp > 0)
 883         return 1;
 884     return 0;
 885 }