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  */
  35
  36 #include <config.h>
  37
  38 #include <ctype.h>
  39 #include "commands.h"
  40 #include "damage.h"
  41 #include "item.h"
  42 #include "land.h"
  43 #include "news.h"
  44 #include "optlist.h"
  45 #include "path.h"
  46 #include "plane.h"
  47 #include "retreat.h"
  48 #include "ship.h"
  49
  50 static void pin_bomb(struct emp_qelem *list, struct sctstr *target);
  51 static void strat_bomb(struct emp_qelem *list, struct sctstr *target);
  52 static void comm_bomb(struct emp_qelem *list, struct sctstr *target);
  53 static void eff_bomb(struct emp_qelem *list, struct sctstr *target);
  54 static int pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp,
  55                                natid from, int flak);
  56 static void plane_bomb(struct emp_qelem *list, struct sctstr *target);
  57 static void land_bomb(struct emp_qelem *list, struct sctstr *target);
  58 static void ship_bomb(struct emp_qelem *list, struct sctstr *target);
  59
  60 static i_type bombcomm[] = {
  61     I_CIVIL,
  62     I_MILIT,
  63     I_SHELL,
  64     I_GUN,
  65     I_PETROL,
  66     I_IRON,
  67     I_DUST,
  68     I_BAR,
  69     I_FOOD,
  70     I_OIL,
  71     I_LCM,
  72     I_HCM,
  73     I_UW,
  74     I_RAD
  75 };
  76 static int nbomb = sizeof(bombcomm) / sizeof(*bombcomm);
  77
  78 int
  79 bomb(void)
  80 {
  81     char *p;
  82     int mission_flags;
  83     coord tx, ty;
  84     coord ax, ay;
  85     int ap_to_target;
  86     struct ichrstr *ip;
  87     char flightpath[MAX_PATH_LEN];
  88     struct nstr_item ni_bomb;
  89     struct nstr_item ni_esc;
  90     struct sctstr target;
  91     struct emp_qelem bomb_list;
  92     struct emp_qelem esc_list;
  93     int wantflags;
  94     struct sctstr ap_sect;
  95     char mission;
  96     int rel;
  97     struct natstr *natp;
  98     char buf[1024];
  99
 100     wantflags = 0;
 101     if (!snxtitem(&ni_bomb, EF_PLANE, player->argp[1]))
 102         return RET_SYN;
 103     if (!snxtitem(&ni_esc, EF_PLANE,
 104                   getstarg(player->argp[2], "escort(s)? ", buf)))
 105         pr("No escorts...\n");
 106     p = getstarg(player->argp[3], "pinpoint, or strategic? ", buf);
 107     if (!p)
 108         return RET_SYN;
 109     mission = *p;
 110     if (strchr("ps", mission) == 0)
 111         return RET_SYN;
 112     if (!get_assembly_point(player->argp[4], &ap_sect, buf))
 113         return RET_SYN;
 114     ax = ap_sect.sct_x;
 115     ay = ap_sect.sct_y;
 116     if (getpath(flightpath, player->argp[5], ax, ay, 0, 0, P_FLYING) == 0
 117         || *flightpath == 0)
 118         return RET_SYN;
 119     tx = ax;
 120     ty = ay;
 121     (void)pathtoxy(flightpath, &tx, &ty, fcost);
 122     pr("target sector is %s\n", xyas(tx, ty, player->cnum));
 123     getsect(tx, ty, &target);
 124     ip = 0;
 125     ap_to_target = strlen(flightpath);
 126     if (flightpath[ap_to_target - 1] == 'h')
 127         ap_to_target--;
 128     pr("range to target is %d\n", ap_to_target);
 129     /*
 130      * select planes within range
 131      */
 132     mission_flags = 0;
 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     mission_flags |= P_X;       /* stealth (shhh) */
 141     mission_flags |= P_H;       /* gets turned off if not all choppers */
 142     mission_flags = pln_arm(&bomb_list, 2 * ap_to_target, mission,
 143                             ip, 0, mission_flags);
 144     if (QEMPTY(&bomb_list)) {
 145         pr("No planes could be equipped for the mission.\n");
 146         return RET_FAIL;
 147     }
 148     mission_flags = pln_arm(&esc_list, 2 * ap_to_target, mission,
 149                             ip, P_F | P_ESC, mission_flags);
 150     ac_encounter(&bomb_list, &esc_list, ax, ay, flightpath, mission_flags,
 151                  0, 0, 0);
 152     if (QEMPTY(&bomb_list)) {
 153         pr("No planes got through fighter defenses\n");
 154     } else if (target.sct_type == SCT_SANCT) {
 155         pr("You can't bomb that sector!\n");
 156     } else {
 157         switch (mission) {
 158         case 'p':
 159             pin_bomb(&bomb_list, &target);
 160             break;
 161         case 's':
 162             if (opt_SLOW_WAR) {
 163                 natp = getnatp(player->cnum);
 164                 if (target.sct_own) {
 165                     rel = getrel(natp, target.sct_own);
 166                     if ((rel != AT_WAR) && (player->cnum != target.sct_own)
 167                         && (target.sct_own) &&
 168                         (target.sct_oldown != player->cnum)) {
 169                         pr("You're not at war with them!\n");
 170                         pln_put(&bomb_list);
 171                         pln_put(&esc_list);
 172                         return RET_FAIL;
 173                     }
 174                 }
 175             }
 176             nreport(player->cnum, N_SCT_BOMB, target.sct_own, 1);
 177             strat_bomb(&bomb_list, &target);
 178             break;
 179         default:
 180             pr("Bad mission %c\n", mission);
 181             break;
 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     struct plist *plp;
 199     int nsubs;
 200     int nunits;
 201     struct natstr *natp;
 202     int rel;
 203     char buf[1024];
 204     int i;
 205
 206     bad = 0;
 207     type = target->sct_type;
 208     dcp = &dchr[type];
 209     pr("Target sector is a %s constructed %s\n",
 210        effadv((int)target->sct_effic), dcp->d_name);
 211     nsubs = 0;
 212     plp = (struct plist *)list->q_forw;
 213     if (plp->pcp->pl_flags & P_A) {
 214         nships = num_shipsatxy(target->sct_x, target->sct_y, 0, 0);
 215         nsubs = nships - shipsatxy(target->sct_x, target->sct_y, 0, M_SUB);
 216         if (nsubs > 0)
 217             pr("Some subs are present in the sector.\n");
 218     } else {
 219         nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB);
 220     }
 221     nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0, list);
 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 == 0 || *p == 0) {
 227         if (player->aborted)
 228             return;
 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 (((struct plist *)list->q_forw)->pcp->pl_flags & 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;
 342     struct sctstr sect;
 343     int oldeff, dam = 0;
 344     int nukedam;
 345
 346     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 347         plp = (struct plist *)qp;
 348         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 349             continue;
 350         if (plp->bombs || plp->plane.pln_nuketype != -1)
 351             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 352                               'p', &nukedam, 1);
 353     }
 354     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 355         return;
 356     getsect(target->sct_x, target->sct_y, &sect);
 357     target = &sect;
 358     oldeff = target->sct_effic;
 359     target->sct_effic = effdamage(target->sct_effic, dam);
 360     target->sct_avail = effdamage(target->sct_avail, dam);
 361     target->sct_road = effdamage(target->sct_road, dam);
 362     target->sct_rail = effdamage(target->sct_rail, dam);
 363     target->sct_defense = effdamage(target->sct_defense, dam);
 364     pr("did %d%% damage to efficiency in %s\n",
 365        oldeff - target->sct_effic,
 366        xyas(target->sct_x, target->sct_y, player->cnum));
 367     if (target->sct_own)
 368         wu(0, target->sct_own,
 369            "%s bombing raid did %d%% damage in %s\n",
 370            cname(player->cnum), oldeff - target->sct_effic,
 371            xyas(target->sct_x, target->sct_y, target->sct_own));
 372     bridge_damaged(target, list);
 373     putsect(&sect);
 374     collateral_damage(target->sct_x, target->sct_y, dam, list);
 375 }
 376
 377 static void
 378 comm_bomb(struct emp_qelem *list, struct sctstr *target)
 379 {
 380     struct plist *plp;
 381     double b;
 382     int i;
 383     int amt, before;
 384     struct ichrstr *ip;
 385     struct emp_qelem *qp;
 386     struct sctstr sect;
 387     int dam = 0;
 388     int nukedam;
 389
 390     for (i = 0; i < nbomb; i++) {
 391         if (target->sct_item[bombcomm[i]] == 0)
 392             continue;
 393         if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 394             continue;
 395         ip = &ichr[bombcomm[i]];
 396         pr("some %s\n", ip->i_name);
 397     }
 398     for (;;) {
 399         ip = whatitem(NULL, "commodity to bomb? ");
 400         if (player->aborted)
 401             return;
 402         if (!ip)
 403             continue;
 404
 405         for (i = 0; i < nbomb; i++) {
 406             if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 407                 continue;
 408             if (&ichr[bombcomm[i]] == ip)
 409                 break;
 410         }
 411         if (i == nbomb) {
 412             pr("You can't bomb %s!\n", ip->i_name);
 413             for (i = 0; i < nbomb; i++) {
 414                 if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 415                     continue;
 416                 pr("%s%s", i == 0 ? "Bombable: " : ", ",
 417                    ichr[bombcomm[i]].i_name);
 418             }
 419             pr("\n");
 420         } else
 421             break;
 422     }
 423     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 424         plp = (struct plist *)qp;
 425         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 426             continue;
 427         if (plp->bombs || plp->plane.pln_nuketype != -1)
 428             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 429                               'p', &nukedam, 1);
 430     }
 431     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 432         return;
 433     getsect(target->sct_x, target->sct_y, &sect);
 434     target = &sect;
 435     before = target->sct_item[ip->i_uid];
 436     target->sct_item[ip->i_uid] = amt = commdamage(before, dam, ip->i_uid);
 437     if (before > 0.0)
 438         b = 100.0 * (1.0 - (double)amt / (double)before);
 439     else
 440         b = 0.0;
 441     pr("did %.2f%% damage to %s in %s\n",
 442        b, ip->i_name, xyas(target->sct_x, target->sct_y, player->cnum));
 443     nreport(player->cnum, N_SCT_BOMB, target->sct_own, 1);
 444     if (target->sct_own != 0)
 445         wu(0, target->sct_own,
 446            "%s precision bombing raid did %.2f%% damage to %s in %s\n",
 447            cname(player->cnum), b, ip->i_name,
 448            xyas(target->sct_x, target->sct_y, target->sct_own));
 449     putsect(&sect);
 450     collateral_damage(target->sct_x, target->sct_y, dam, list);
 451 }
 452
 453 static void
 454 ship_bomb(struct emp_qelem *list, struct sctstr *target)
 455 {
 456     struct plist *plp;
 457     struct mchrstr *mcp;
 458     int dam;
 459     char *q;
 460     int n;
 461     struct emp_qelem *qp;
 462     int shipno;
 463     int ignore;
 464     struct shpstr ship;
 465     int nships = 0;
 466     struct shiplist *head = NULL;
 467     char buf[1024];
 468     char prompt[128];
 469     int hitchance;
 470     int nukedam;
 471     int flak;
 472     int gun;
 473     int shell;
 474
 475     for (qp = list->q_forw; qp != list && !player->aborted;
 476          qp = qp->q_forw) {
 477         free_shiplist(&head);
 478         plp = (struct plist *)qp;
 479         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 480             continue;
 481         if (plp->pcp->pl_flags & P_A)
 482             nships = asw_shipsatxy(target->sct_x, target->sct_y, 0, 0,
 483                                    &plp->plane, &head);
 484         else
 485             nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB);
 486         if (nships == 0) {
 487             pr("%s could not find any ships!\n", prplane(&plp->plane));
 488             continue;
 489         }
 490         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 491                       prplane(&plp->plane), plp->bombs);
 492         ignore = 0;
 493         shipno = -1;
 494         while (shipno < 0 && !player->aborted && !ignore) {
 495             if ((q = getstring(prompt, buf)) == 0 || *q == 0)
 496                 continue;
 497             if (*q == '~') {
 498                 ignore = 1;
 499                 continue;
 500             }
 501             if (*q == '?') {
 502                 if (plp->pcp->pl_flags & P_A)
 503                     print_shiplist(head);
 504                 else
 505                     shipsatxy(target->sct_x, target->sct_y, 0, M_SUB);
 506                 continue;
 507             }
 508             if (*q == 'd')
 509                 goto next;
 510             if (!isdigit(*q))
 511                 continue;
 512             n = atoi(q);
 513             if (n < 0)
 514                 continue;
 515             if ((plp->pcp->pl_flags & P_A) && !on_shiplist(n, head))
 516                 continue;
 517             if (getship(n, &ship) && ship.shp_x == target->sct_x &&
 518                 ship.shp_y == target->sct_y)
 519                 shipno = n;
 520         }
 521         if (shipno < 0)
 522             continue;
 523         if ((plp->pcp->pl_flags & P_A) && !on_shiplist(shipno, head))
 524             continue;
 525
 526         shell = gun = 0;
 527         gun = MIN(ship.shp_item[I_GUN], ship.shp_glim);
 528         if (gun > 0) {
 529             shell = ship.shp_item[I_SHELL];
 530             if (shell <= 0)
 531                 shell = supply_commod(ship.shp_own,
 532                                       ship.shp_x, ship.shp_y, I_SHELL, 1);
 533         }
 534         mcp = &mchr[(int)ship.shp_type];
 535         if (gun > 0 && shell > 0 && !(mcp->m_flags & M_SUB)) {
 536             flak = (int)(techfact(ship.shp_tech, gun) * 2.0);
 537             ship.shp_item[I_SHELL] = shell;
 538             putship(ship.shp_uid, &ship);
 539             PR(ship.shp_own, "Flak! Firing %d guns from ship %s\n",
 540                flak, prship(&ship));
 541             if (pinflak_planedamage(&plp->plane, plp->pcp, ship.shp_own, flak))
 542                 continue;
 543         }
 544
 545         dam = 0;
 546         if (plp->plane.pln_nuketype != -1)
 547             hitchance = 100;
 548         else {
 549             hitchance = pln_hitchance(&plp->plane,
 550                                       shp_hardtarget(&ship), EF_SHIP);
 551             pr("%d%% hitchance...", hitchance);
 552         }
 553         if (roll(100) <= hitchance) {
 554             /* pinbombing is more accurate than normal bombing */
 555             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 556                                  'p', &nukedam, 1);
 557         } else {
 558             pr("splash\n");
 559             /* Bombs that miss have to land somewhere! */
 560             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 561                              'p', &nukedam, 0);
 562             collateral_damage(target->sct_x, target->sct_y, dam, list);
 563             dam = 0;
 564         }
 565         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 566             continue;
 567         if (mcp->m_flags & M_SUB)
 568             nreport(player->cnum, N_SUB_BOMB, ship.shp_own, 1);
 569         else
 570             nreport(player->cnum, N_SHP_BOMB, ship.shp_own, 1);
 571         if (ship.shp_own) {
 572             wu(0, ship.shp_own, "%s bombs did %d damage to %s at %s\n",
 573                cname(player->cnum), dam,
 574                prship(&ship),
 575                xyas(target->sct_x, target->sct_y, ship.shp_own));
 576         }
 577         pr("\n");
 578         check_retreat_and_do_shipdamage(&ship, dam);
 579         if (ship.shp_rflags & RET_BOMBED)
 580             if (((ship.shp_rflags & RET_INJURED) == 0) || !dam)
 581                 retreat_ship(&ship, 'b');
 582         putship(ship.shp_uid, &ship);
 583         getship(ship.shp_uid, &ship);
 584         if (!ship.shp_own) {
 585             pr("%s at %s sunk!\n",
 586                prship(&ship),
 587                xyas(target->sct_x, target->sct_y, player->cnum));
 588         }
 589         collateral_damage(target->sct_x, target->sct_y, dam / 2, list);
 590       next:
 591         ;
 592     }
 593     free_shiplist(&head);
 594 }
 595
 596 static void
 597 plane_bomb(struct emp_qelem *list, struct sctstr *target)
 598 {
 599     int dam;
 600     char *q;
 601     int n;
 602     natid own;
 603     struct plnstr plane;
 604     struct emp_qelem *qp;
 605     int planeno;
 606     int ignore;
 607     struct plist *plp;
 608     char prompt[128];
 609     char buf[1024];
 610     int hitchance;
 611     int nukedam;
 612     int nplanes;
 613
 614     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 615         plp = (struct plist *)qp;
 616         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 617             continue;
 618         nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0, list);
 619         if (nplanes == 0) {
 620             pr("%s could not find any planes!\n", prplane(&plp->plane));
 621             continue;
 622         }
 623         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 624                       prplane(&plp->plane), plp->bombs);
 625         planeno = -1;
 626         ignore = 0;
 627         while (planeno < 0 && !player->aborted && !ignore) {
 628             if ((q = getstring(prompt, buf)) == 0 || *q == 0)
 629                 continue;
 630             if (*q == '~') {
 631                 ignore = 1;
 632                 continue;
 633             }
 634             if (*q == '?') {
 635                 planesatxy(target->sct_x, target->sct_y, 0, 0, list);
 636                 continue;
 637             }
 638             if (*q == 'd')
 639                 goto next;
 640             n = atoi(q);
 641             if (n < 0)
 642                 continue;
 643             if (getplane(n, &plane) &&
 644                 plane.pln_x == target->sct_x &&
 645                 plane.pln_y == target->sct_y &&
 646                 ((plane.pln_flags & PLN_LAUNCHED) == 0) &&
 647                 (!ac_isflying(&plane, list)))
 648                 planeno = n;
 649             else
 650                 pr("Plane #%d not spotted\n", n);
 651         }
 652         if (planeno < 0)
 653             continue;
 654         dam = 0;
 655         if (plp->plane.pln_nuketype != -1)
 656             hitchance = 100;
 657         else {
 658             hitchance = pln_hitchance(&plp->plane, 0, EF_PLANE);
 659             pr("%d%% hitchance...", hitchance);
 660         }
 661         if (roll(100) <= hitchance) {
 662             /* pinbombing is more accurate than normal bombing */
 663             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 664                                  'p', &nukedam, 1);
 665         } else {
 666             pr("thud\n");
 667             /* Bombs that miss have to land somewhere! */
 668             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 669                              'p', &nukedam, 0);
 670             collateral_damage(target->sct_x, target->sct_y, dam, list);
 671             dam = 0;
 672         }
 673         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 674             continue;
 675         if (dam > 100)
 676             dam = 100;
 677         own = plane.pln_own;
 678         if (dam > plane.pln_effic)
 679             plane.pln_effic = 0;
 680         else
 681             plane.pln_effic -= dam;
 682         plane.pln_mobil = (dam * plane.pln_mobil / 100.0);
 683         if (own == player->cnum) {
 684             pr("%s reports %d%% damage\n", prplane(&plane), dam);
 685         } else {
 686             if (own != 0)
 687                 wu(0, own,
 688                    "%s pinpoint bombing raid did %d%% damage to %s\n",
 689                    cname(player->cnum), dam, prplane(&plane));
 690         }
 691         nreport(player->cnum, N_DOWN_PLANE, own, 1);
 692         if (own != 0)
 693             wu(0, own, "%s bombs did %d%% damage to %s at %s\n",
 694                cname(player->cnum), dam, prplane(&plane),
 695                xyas(target->sct_x, target->sct_y, own));
 696         putplane(plane.pln_uid, &plane);
 697         collateral_damage(target->sct_x, target->sct_y, dam, list);
 698       next:
 699         ;
 700     }
 701 }
 702
 703 static void
 704 land_bomb(struct emp_qelem *list, struct sctstr *target)
 705 {
 706     int dam;
 707     char *q;
 708     int n;
 709     natid own;
 710     char prompt[128];
 711     char buf[1024];
 712     struct lndstr land;
 713     struct emp_qelem *qp;
 714     int unitno;
 715     int ignore, flak, hitchance;
 716     struct plist *plp;
 717     int nukedam;
 718     int nunits;
 719
 720     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 721         plp = (struct plist *)qp;
 722         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 723             continue;
 724         nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 725         if (nunits == 0) {
 726             pr("%s could not find any units!\n", prplane(&plp->plane));
 727             continue;
 728         }
 729         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 730                       prplane(&plp->plane), plp->bombs);
 731         unitno = -1;
 732         ignore = 0;
 733         while (unitno < 0 && !player->aborted && !ignore) {
 734             if ((q = getstring(prompt, buf)) == 0 || *q == 0)
 735                 continue;
 736             if (*q == '~') {
 737                 ignore = 1;
 738                 continue;
 739             }
 740             if (*q == '?') {
 741                 unitsatxy(target->sct_x, target->sct_y, 0, 0);
 742                 continue;
 743             }
 744             if (*q == 'd')
 745                 goto next;
 746             n = atoi(q);
 747             if (n < 0)
 748                 continue;
 749             if (getland(n, &land) &&
 750                 land.lnd_x == target->sct_x && land.lnd_y == target->sct_y)
 751                 unitno = n;
 752             else
 753                 pr("Unit #%d not spotted\n", n);
 754         }
 755         if (unitno < 0)
 756             continue;
 757
 758         flak = (int)(techfact(land.lnd_tech, land.lnd_aaf) * 3.0);
 759         if (flak) {
 760             PR(land.lnd_own,
 761                "Flak! Firing flak guns from unit %s (aa rating %d)\n",
 762                prland(&land), land.lnd_aaf);
 763             if (pinflak_planedamage(&plp->plane, plp->pcp, land.lnd_own, flak))
 764                 continue;
 765         }
 766
 767         dam = 0;
 768         if (plp->plane.pln_nuketype != -1)
 769             hitchance = 100;
 770         else {
 771             hitchance = pln_hitchance(&plp->plane,
 772                                       lnd_hardtarget(&land), EF_LAND);
 773             pr("%d%% hitchance...", hitchance);
 774         }
 775         if (roll(100) <= hitchance) {
 776             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 777                                  'p', &nukedam, 1);
 778         } else {
 779             pr("thud\n");
 780             /* Bombs that miss have to land somewhere! */
 781             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 782                              'p', &nukedam, 0);
 783             collateral_damage(target->sct_x, target->sct_y, dam, list);
 784             dam = 0;
 785         }
 786         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 787             continue;
 788         if (dam > 100)
 789             dam = 100;
 790         own = land.lnd_own;
 791         if (own != 0)
 792             mpr(own, "%s pinpoint bombing raid did %d damage to %s\n",
 793                 cname(player->cnum), dam, prland(&land));
 794         check_retreat_and_do_landdamage(&land, dam);
 795
 796         if (land.lnd_rflags & RET_BOMBED)
 797             if (((land.lnd_rflags & RET_INJURED) == 0) || !dam)
 798                 retreat_land(&land, 'b');
 799         nreport(player->cnum, N_UNIT_BOMB, own, 1);
 800         putland(land.lnd_uid, &land);
 801         collateral_damage(target->sct_x, target->sct_y, dam, list);
 802       next:
 803         ;
 804     }
 805 }
 806
 807 static void
 808 strat_bomb(struct emp_qelem *list, struct sctstr *target)
 809 {
 810     struct plist *plp;
 811     int dam = 0;
 812     struct emp_qelem *qp;
 813     struct sctstr sect;
 814     int nukedam;
 815
 816     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 817         plp = (struct plist *)qp;
 818         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 819             continue;
 820         if (plp->bombs || plp->plane.pln_nuketype != -1)
 821             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 822                               's', &nukedam, 1);
 823     }
 824     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 825         return;
 826     getsect(target->sct_x, target->sct_y, &sect);
 827     target = &sect;
 828     if (target->sct_own)
 829         wu(0, target->sct_own, "%s bombing raid did %d damage in %s\n",
 830            cname(player->cnum), PERCENT_DAMAGE(dam),
 831            xyas(target->sct_x, target->sct_y, target->sct_own));
 832
 833     sectdamage(target, dam, list);
 834
 835     pr("did %d damage in %s\n", PERCENT_DAMAGE(dam),
 836        xyas(target->sct_x, target->sct_y, player->cnum));
 837     putsect(&sect);
 838 }
 839
 840 static int
 841 pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp, natid from,
 842                     int flak)
 843 {
 844     int disp;
 845     char dmess[255];
 846     int eff;
 847     struct shpstr ship;
 848     struct lndstr land;
 849     natid plane_owner;
 850     int dam;
 851
 852     dam = ac_flak_dam(flak, pp->pln_def, pcp->pl_flags);
 853     disp = 0;
 854     plane_owner = pp->pln_own;
 855     eff = pp->pln_effic;
 856     if (dam <= 0)
 857         return 0;
 858     memset(dmess, 0, sizeof(dmess));
 859     eff -= dam;
 860     if (eff < 0)
 861         eff = 0;
 862     if (eff < PLANE_MINEFF) {
 863         sprintf(dmess, " -- shot down");
 864         disp = 1;
 865     } else if (chance((100 - eff) / 100.0)) {
 866         sprintf(dmess, " -- aborted with %d%% damage", 100 - eff);
 867         disp = 2;
 868     }
 869     PR(plane_owner, "    Flak! %s %s takes %d%s.\n",
 870        cname(pp->pln_own), prplane(pp), dam, dmess);
 871
 872     pp->pln_effic = eff;
 873     if (disp == 1) {
 874         if (from != 0)
 875             nreport(from, N_DOWN_PLANE, pp->pln_own, 1);
 876         if (pp->pln_ship >= 0) {
 877             getship(pp->pln_ship, &ship);
 878             take_plane_off_ship(pp, &ship);
 879         }
 880         if (pp->pln_land >= 0) {
 881             getland(pp->pln_land, &land);
 882             take_plane_off_land(pp, &land);
 883         }
 884     }
 885     putplane(pp->pln_uid, pp);
 886
 887     if (disp > 0)
 888         return 1;
 889     return 0;
 890 }