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) 1986-2008, 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, 2004-2008
  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 *list, struct sctstr *target);
  53 static void strat_bomb(struct emp_qelem *list, struct sctstr *target);
  54 static void comm_bomb(struct emp_qelem *list, struct sctstr *target);
  55 static void eff_bomb(struct emp_qelem *list, struct sctstr *target);
  56 static int pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp,
  57                                natid from, int flak);
  58 static void plane_bomb(struct emp_qelem *list, struct sctstr *target);
  59 static void land_bomb(struct emp_qelem *list, struct sctstr *target);
  60 static void ship_bomb(struct emp_qelem *list, struct sctstr *target);
  61
  62 static i_type bombcomm[] = {
  63     I_CIVIL,
  64     I_MILIT,
  65     I_SHELL,
  66     I_GUN,
  67     I_PETROL,
  68     I_IRON,
  69     I_DUST,
  70     I_BAR,
  71     I_FOOD,
  72     I_OIL,
  73     I_LCM,
  74     I_HCM,
  75     I_UW,
  76     I_RAD
  77 };
  78 static int nbomb = sizeof(bombcomm) / sizeof(*bombcomm);
  79
  80 int
  81 bomb(void)
  82 {
  83     char *p;
  84     int mission_flags;
  85     coord tx, ty;
  86     coord ax, ay;
  87     int ap_to_target;
  88     struct ichrstr *ip;
  89     char flightpath[MAX_PATH_LEN];
  90     struct nstr_item ni_bomb;
  91     struct nstr_item ni_esc;
  92     struct sctstr target;
  93     struct emp_qelem bomb_list;
  94     struct emp_qelem esc_list;
  95     int wantflags;
  96     struct sctstr ap_sect;
  97     char mission;
  98     int rel;
  99     struct natstr *natp;
 100     char buf[1024];
 101
 102     wantflags = 0;
 103     if (get_planes(&ni_bomb, &ni_esc, player->argp[1], player->argp[2]) < 0)
 104         return RET_SYN;
 105     p = getstarg(player->argp[3], "pinpoint, or strategic? ", buf);
 106     if (!p || !*p)
 107         return RET_SYN;
 108     mission = *p;
 109     if (strchr("ps", mission) == 0)
 110         return RET_SYN;
 111     if (!get_assembly_point(player->argp[4], &ap_sect, buf))
 112         return RET_SYN;
 113     ax = ap_sect.sct_x;
 114     ay = ap_sect.sct_y;
 115     if (getpath(flightpath, player->argp[5], ax, ay, 0, 0, P_FLYING) == 0
 116         || *flightpath == 0)
 117         return RET_SYN;
 118     tx = ax;
 119     ty = ay;
 120     (void)pathtoxy(flightpath, &tx, &ty, fcost);
 121     pr("target sector is %s\n", xyas(tx, ty, player->cnum));
 122     getsect(tx, ty, &target);
 123     ip = 0;
 124     ap_to_target = strlen(flightpath);
 125     if (flightpath[ap_to_target - 1] == 'h')
 126         ap_to_target--;
 127     pr("range to target is %d\n", ap_to_target);
 128     /*
 129      * select planes within range
 130      */
 131     mission_flags = 0;
 132     pln_sel(&ni_bomb, &bomb_list, &ap_sect, ap_to_target,
 133             2, wantflags, P_M | P_O);
 134     pln_sel(&ni_esc, &esc_list, &ap_sect, ap_to_target,
 135             2, wantflags | P_F | P_ESC, P_M | P_O);
 136     /*
 137      * now arm and equip the bombers, transports, whatever.
 138      */
 139     mission_flags |= P_X;       /* stealth (shhh) */
 140     mission_flags |= P_H;       /* gets turned off if not all choppers */
 141     mission_flags = pln_arm(&bomb_list, 2 * ap_to_target, mission,
 142                             ip, 0, mission_flags);
 143     if (QEMPTY(&bomb_list)) {
 144         pr("No planes could be equipped for the mission.\n");
 145         return RET_FAIL;
 146     }
 147     mission_flags = pln_arm(&esc_list, 2 * ap_to_target, mission,
 148                             ip, P_F | P_ESC, mission_flags);
 149     ac_encounter(&bomb_list, &esc_list, ax, ay,
 150                  flightpath, mission_flags, 0);
 151     if (QEMPTY(&bomb_list)) {
 152         pr("No planes got through fighter defenses\n");
 153     } else if (target.sct_type == SCT_SANCT) {
 154         pr("You can't bomb that sector!\n");
 155     } else {
 156         switch (mission) {
 157         case 'p':
 158             pin_bomb(&bomb_list, &target);
 159             break;
 160         case 's':
 161             if (opt_SLOW_WAR) {
 162                 natp = getnatp(player->cnum);
 163                 if (target.sct_own) {
 164                     rel = getrel(natp, target.sct_own);
 165                     if ((rel != AT_WAR) && (player->cnum != target.sct_own)
 166                         && (target.sct_own) &&
 167                         (target.sct_oldown != player->cnum)) {
 168                         pr("You're not at war with them!\n");
 169                         pln_put(&bomb_list);
 170                         pln_put(&esc_list);
 171                         return RET_FAIL;
 172                     }
 173                 }
 174             }
 175             nreport(player->cnum, N_SCT_BOMB, target.sct_own, 1);
 176             strat_bomb(&bomb_list, &target);
 177             break;
 178         default:
 179             CANT_REACH();
 180         }
 181     }
 182     pln_put(&bomb_list);
 183     pln_put(&esc_list);
 184     return RET_OK;
 185 }
 186
 187 static void
 188 pin_bomb(struct emp_qelem *list, struct sctstr *target)
 189 {
 190     struct dchrstr *dcp;
 191     int nplanes;
 192     int nships;
 193     int type;
 194     int bad;
 195     char *p;
 196     struct plist *plp;
 197     int nsubs;
 198     int nunits;
 199     struct natstr *natp;
 200     int rel;
 201     char buf[1024];
 202     int i;
 203
 204     bad = 0;
 205     type = target->sct_type;
 206     dcp = &dchr[type];
 207     pr("Target sector is a %s constructed %s\n",
 208        effadv((int)target->sct_effic), dcp->d_name);
 209     nsubs = 0;
 210     plp = (struct plist *)list->q_forw;
 211     nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 212     if (plp->pcp->pl_flags & 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 (((struct plist *)list->q_forw)->pcp->pl_flags & 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;
 338     struct sctstr sect;
 339     int oldeff, dam = 0;
 340     int nukedam;
 341
 342     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 343         plp = (struct plist *)qp;
 344         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 345             continue;
 346         if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
 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;
 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 = qp->q_forw) {
 420         plp = (struct plist *)qp;
 421         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 422             continue;
 423         if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
 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;
 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     int shell;
 469
 470     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 471         free_shiplist(&head);
 472         plp = (struct plist *)qp;
 473         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 474             continue;
 475         if (plp->pcp->pl_flags & P_A)
 476             nships = asw_shipsatxy(target->sct_x, target->sct_y, 0, 0,
 477                                    &plp->plane, &head);
 478         else
 479             nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 480         if (nships == 0) {
 481             pr("%s could not find any ships!\n", prplane(&plp->plane));
 482             continue;
 483         }
 484         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 485                       prplane(&plp->plane), plp->bombs);
 486         shipno = -1;
 487         while (shipno < 0) {
 488             if ((q = getstring(prompt, buf)) == 0)
 489                 goto out;
 490             if (*q == 0)
 491                 continue;
 492             if (*q == '~')
 493                 break;
 494             if (*q == '?') {
 495                 if (plp->pcp->pl_flags & P_A)
 496                     print_shiplist(head);
 497                 else
 498                     shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
 499                 continue;
 500             }
 501             n = atoi(q);
 502             if (n < 0)
 503                 continue;
 504             if ((!(plp->pcp->pl_flags & P_A) || on_shiplist(n, head)) &&
 505                 getship(n, &ship) && ship.shp_own &&
 506                 ship.shp_x == target->sct_x && ship.shp_y == target->sct_y)
 507                 shipno = n;
 508             else
 509                 pr("Ship #%d not spotted\n", n);
 510         }
 511         if (shipno < 0)
 512             continue;
 513         if ((plp->pcp->pl_flags & P_A) && !on_shiplist(shipno, head))
 514             continue;
 515
 516         shell = 0;
 517         gun = shp_usable_guns(&ship);
 518         if (gun > 0) {
 519             shell = ship.shp_item[I_SHELL];
 520             if (shell <= 0)
 521                 shell = supply_commod(ship.shp_own,
 522                                       ship.shp_x, ship.shp_y, I_SHELL, 1);
 523         }
 524         mcp = &mchr[(int)ship.shp_type];
 525         if (gun > 0 && shell > 0 && !(mcp->m_flags & M_SUB)) {
 526             flak = (int)(techfact(ship.shp_tech, gun) * 2.0);
 527             ship.shp_item[I_SHELL] = shell;
 528             putship(ship.shp_uid, &ship);
 529             PR(ship.shp_own, "Flak! Firing %d guns from ship %s\n",
 530                flak, prship(&ship));
 531             if (pinflak_planedamage(&plp->plane, plp->pcp, ship.shp_own, flak))
 532                 continue;
 533         }
 534
 535         dam = 0;
 536         if (nuk_on_plane(&plp->plane) >= 0)
 537             hitchance = 100;
 538         else {
 539             hitchance = pln_hitchance(&plp->plane,
 540                                       shp_hardtarget(&ship), EF_SHIP);
 541             pr("%d%% hitchance...", hitchance);
 542         }
 543         if (roll(100) <= hitchance) {
 544             /* pinbombing is more accurate than normal bombing */
 545             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 546                                  'p', &nukedam, 1);
 547         } else {
 548             pr("splash\n");
 549             /* Bombs that miss have to land somewhere! */
 550             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 551                              'p', &nukedam, 0);
 552             collateral_damage(target->sct_x, target->sct_y, dam);
 553             dam = 0;
 554         }
 555         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 556             continue;
 557         if (mcp->m_flags & M_SUB)
 558             nreport(player->cnum, N_SUB_BOMB, ship.shp_own, 1);
 559         else
 560             nreport(player->cnum, N_SHP_BOMB, ship.shp_own, 1);
 561         if (ship.shp_own) {
 562             wu(0, ship.shp_own, "%s bombs did %d damage to %s at %s\n",
 563                cname(player->cnum), dam,
 564                prship(&ship),
 565                xyas(target->sct_x, target->sct_y, ship.shp_own));
 566         }
 567         pr("\n");
 568         check_retreat_and_do_shipdamage(&ship, dam);
 569         if (ship.shp_rflags & RET_BOMBED)
 570             if (((ship.shp_rflags & RET_INJURED) == 0) || !dam)
 571                 retreat_ship(&ship, 'b');
 572         putship(ship.shp_uid, &ship);
 573         getship(ship.shp_uid, &ship);
 574         if (!ship.shp_own) {
 575             pr("%s at %s sunk!\n",
 576                prship(&ship),
 577                xyas(target->sct_x, target->sct_y, player->cnum));
 578         }
 579         collateral_damage(target->sct_x, target->sct_y, dam / 2);
 580     }
 581 out:
 582     free_shiplist(&head);
 583 }
 584
 585 static void
 586 plane_bomb(struct emp_qelem *list, struct sctstr *target)
 587 {
 588     int dam;
 589     char *q;
 590     int n;
 591     natid own;
 592     struct plnstr plane;
 593     struct emp_qelem *qp;
 594     int planeno;
 595     struct plist *plp;
 596     char prompt[128];
 597     char buf[1024];
 598     int hitchance;
 599     int nukedam;
 600     int nplanes;
 601
 602     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 603         plp = (struct plist *)qp;
 604         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 605             continue;
 606         nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
 607         if (nplanes == 0) {
 608             pr("%s could not find any planes!\n", prplane(&plp->plane));
 609             continue;
 610         }
 611         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 612                       prplane(&plp->plane), plp->bombs);
 613         planeno = -1;
 614         while (planeno < 0) {
 615             if ((q = getstring(prompt, buf)) == 0)
 616                 return;
 617             if (*q == 0)
 618                 continue;
 619             if (*q == '~')
 620                 break;
 621             if (*q == '?') {
 622                 planesatxy(target->sct_x, target->sct_y, 0, 0);
 623                 continue;
 624             }
 625             n = atoi(q);
 626             if (n < 0)
 627                 continue;
 628             if (getplane(n, &plane) &&
 629                 plane.pln_x == target->sct_x &&
 630                 plane.pln_y == target->sct_y &&
 631                 plane.pln_ship < 0 && plane.pln_land < 0 &&
 632                 !(plane.pln_flags & PLN_LAUNCHED))
 633                 planeno = n;
 634             else
 635                 pr("Plane #%d not spotted\n", n);
 636         }
 637         if (planeno < 0)
 638             continue;
 639         dam = 0;
 640         if (nuk_on_plane(&plp->plane) >= 0)
 641             hitchance = 100;
 642         else {
 643             hitchance = pln_hitchance(&plp->plane, 0, EF_PLANE);
 644             pr("%d%% hitchance...", hitchance);
 645         }
 646         if (roll(100) <= hitchance) {
 647             /* pinbombing is more accurate than normal bombing */
 648             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 649                                  'p', &nukedam, 1);
 650         } else {
 651             pr("thud\n");
 652             /* Bombs that miss have to land somewhere! */
 653             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 654                              'p', &nukedam, 0);
 655             collateral_damage(target->sct_x, target->sct_y, dam);
 656             dam = 0;
 657         }
 658         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 659             continue;
 660         if (dam > 100)
 661             dam = 100;
 662         own = plane.pln_own;
 663         if (dam > plane.pln_effic)
 664             plane.pln_effic = 0;
 665         else
 666             plane.pln_effic -= dam;
 667         plane.pln_mobil = (dam * plane.pln_mobil / 100.0);
 668         if (own == player->cnum) {
 669             pr("%s reports %d%% damage\n", prplane(&plane), dam);
 670         } else {
 671             if (own != 0)
 672                 wu(0, own,
 673                    "%s pinpoint bombing raid did %d%% damage to %s\n",
 674                    cname(player->cnum), dam, prplane(&plane));
 675         }
 676         nreport(player->cnum, N_DOWN_PLANE, own, 1);
 677         if (own != 0)
 678             wu(0, own, "%s bombs did %d%% damage to %s at %s\n",
 679                cname(player->cnum), dam, prplane(&plane),
 680                xyas(target->sct_x, target->sct_y, own));
 681         putplane(plane.pln_uid, &plane);
 682         collateral_damage(target->sct_x, target->sct_y, dam);
 683     }
 684 }
 685
 686 static void
 687 land_bomb(struct emp_qelem *list, struct sctstr *target)
 688 {
 689     int dam;
 690     char *q;
 691     int n;
 692     natid own;
 693     char prompt[128];
 694     char buf[1024];
 695     struct lndstr land;
 696     struct emp_qelem *qp;
 697     int unitno;
 698     int aaf, flak, hitchance;
 699     struct plist *plp;
 700     int nukedam;
 701     int nunits;
 702
 703     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 704         plp = (struct plist *)qp;
 705         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 706             continue;
 707         nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 708         if (nunits == 0) {
 709             pr("%s could not find any units!\n", prplane(&plp->plane));
 710             continue;
 711         }
 712         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 713                       prplane(&plp->plane), plp->bombs);
 714         unitno = -1;
 715         while (unitno < 0) {
 716             if ((q = getstring(prompt, buf)) == 0)
 717                 return;
 718             if (*q == 0)
 719                 continue;
 720             if (*q == '~')
 721                 break;
 722             if (*q == '?') {
 723                 unitsatxy(target->sct_x, target->sct_y, 0, 0);
 724                 continue;
 725             }
 726             n = atoi(q);
 727             if (n < 0)
 728                 continue;
 729             if (getland(n, &land) && land.lnd_own &&
 730                 land.lnd_ship < 0 && land.lnd_land < 0 &&
 731                 land.lnd_x == target->sct_x && land.lnd_y == target->sct_y)
 732                 unitno = n;
 733             else
 734                 pr("Unit #%d not spotted\n", n);
 735         }
 736         if (unitno < 0)
 737             continue;
 738
 739         aaf = lnd_aaf(&land);
 740         if (aaf) {
 741             flak = roundavg(techfact(land.lnd_tech,
 742                                      aaf * 3.0 * land.lnd_effic / 100.0));
 743             PR(land.lnd_own,
 744                "Flak! Firing flak guns from unit %s (aa rating %d)\n",
 745                prland(&land), aaf);
 746             if (pinflak_planedamage(&plp->plane, plp->pcp, land.lnd_own, flak))
 747                 continue;
 748         }
 749
 750         dam = 0;
 751         if (nuk_on_plane(&plp->plane) >= 0)
 752             hitchance = 100;
 753         else {
 754             hitchance = pln_hitchance(&plp->plane,
 755                                       lnd_hardtarget(&land), EF_LAND);
 756             pr("%d%% hitchance...", hitchance);
 757         }
 758         if (roll(100) <= hitchance) {
 759             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 760                                  'p', &nukedam, 1);
 761         } else {
 762             pr("thud\n");
 763             /* Bombs that miss have to land somewhere! */
 764             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 765                              'p', &nukedam, 0);
 766             collateral_damage(target->sct_x, target->sct_y, dam);
 767             dam = 0;
 768         }
 769         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 770             continue;
 771         if (dam > 100)
 772             dam = 100;
 773         own = land.lnd_own;
 774         mpr(own, "%s pinpoint bombing raid did %d damage to %s\n",
 775             cname(player->cnum), dam, prland(&land));
 776         check_retreat_and_do_landdamage(&land, dam);
 777
 778         if (land.lnd_rflags & RET_BOMBED)
 779             if (((land.lnd_rflags & RET_INJURED) == 0) || !dam)
 780                 retreat_land(&land, 'b');
 781         nreport(player->cnum, N_UNIT_BOMB, own, 1);
 782         putland(land.lnd_uid, &land);
 783         collateral_damage(target->sct_x, target->sct_y, dam);
 784     }
 785 }
 786
 787 static void
 788 strat_bomb(struct emp_qelem *list, struct sctstr *target)
 789 {
 790     struct plist *plp;
 791     int dam = 0;
 792     struct emp_qelem *qp;
 793     struct sctstr sect;
 794     int nukedam;
 795
 796     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 797         plp = (struct plist *)qp;
 798         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 799             continue;
 800         if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
 801             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 802                               's', &nukedam, 1);
 803     }
 804     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 805         return;
 806     getsect(target->sct_x, target->sct_y, &sect);
 807     target = &sect;
 808     if (target->sct_own)
 809         wu(0, target->sct_own, "%s bombing raid did %d damage in %s\n",
 810            cname(player->cnum), PERCENT_DAMAGE(dam),
 811            xyas(target->sct_x, target->sct_y, target->sct_own));
 812
 813     sectdamage(target, dam);
 814
 815     pr("did %d damage in %s\n", PERCENT_DAMAGE(dam),
 816        xyas(target->sct_x, target->sct_y, player->cnum));
 817     putsect(&sect);
 818 }
 819
 820 static int
 821 pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp, natid from,
 822                     int flak)
 823 {
 824     int disp;
 825     char dmess[255];
 826     int eff;
 827     natid plane_owner;
 828     int dam;
 829
 830     dam = ac_flak_dam(flak, pln_def(pp), pcp->pl_flags);
 831     disp = 0;
 832     plane_owner = pp->pln_own;
 833     eff = pp->pln_effic;
 834     if (dam <= 0)
 835         return 0;
 836     memset(dmess, 0, sizeof(dmess));
 837     eff -= dam;
 838     if (eff < 0)
 839         eff = 0;
 840     if (eff < PLANE_MINEFF) {
 841         sprintf(dmess, " -- shot down");
 842         disp = 1;
 843     } else if (chance((100 - eff) / 100.0)) {
 844         sprintf(dmess, " -- aborted with %d%% damage", 100 - eff);
 845         disp = 2;
 846     }
 847     PR(plane_owner, "    Flak! %s %s takes %d%s.\n",
 848        cname(pp->pln_own), prplane(pp), dam, dmess);
 849
 850     pp->pln_effic = eff;
 851     if (disp == 1) {
 852         if (from != 0)
 853             nreport(from, N_DOWN_PLANE, pp->pln_own, 1);
 854     }
 855     putplane(pp->pln_uid, pp);
 856
 857     if (disp > 0)
 858         return 1;
 859     return 0;
 860 }