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) 1986-2006, 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 <string.h>
  40 #include "misc.h"
  41 #include "player.h"
  42 #include "sect.h"
  43 #include "ship.h"
  44 #include "land.h"
  45 #include "item.h"
  46 #include "plane.h"
  47 #include "retreat.h"
  48 #include "xy.h"
  49 #include "nsc.h"
  50 #include "news.h"
  51 #include "file.h"
  52 #include "nat.h"
  53 #include "path.h"
  54 #include "optlist.h"
  55 #include "damage.h"
  56 #include "commands.h"
  57
  58 static void pin_bomb(struct emp_qelem *list, struct sctstr *target);
  59 static void strat_bomb(struct emp_qelem *list, struct sctstr *target);
  60 static void comm_bomb(struct emp_qelem *list, struct sctstr *target);
  61 static void eff_bomb(struct emp_qelem *list, struct sctstr *target);
  62 static int pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp,
  63                                natid from, int flak);
  64 static void plane_bomb(struct emp_qelem *list, struct sctstr *target);
  65 static void land_bomb(struct emp_qelem *list, struct sctstr *target);
  66 static void ship_bomb(struct emp_qelem *list, struct sctstr *target);
  67
  68 static i_type bombcomm[] = {
  69     I_CIVIL,
  70     I_MILIT,
  71     I_SHELL,
  72     I_GUN,
  73     I_PETROL,
  74     I_IRON,
  75     I_DUST,
  76     I_BAR,
  77     I_FOOD,
  78     I_OIL,
  79     I_LCM,
  80     I_HCM,
  81     I_UW,
  82     I_RAD
  83 };
  84 static int nbomb = sizeof(bombcomm) / sizeof(*bombcomm);
  85
  86 int
  87 bomb(void)
  88 {
  89     char *p;
  90     int mission_flags;
  91     coord tx, ty;
  92     coord ax, ay;
  93     int ap_to_target;
  94     struct ichrstr *ip;
  95     char flightpath[MAX_PATH_LEN];
  96     struct nstr_item ni_bomb;
  97     struct nstr_item ni_esc;
  98     struct sctstr target;
  99     struct emp_qelem bomb_list;
 100     struct emp_qelem esc_list;
 101     int wantflags;
 102     struct sctstr ap_sect;
 103     char mission;
 104     int rel;
 105     struct natstr *natp;
 106     char buf[1024];
 107
 108     wantflags = 0;
 109     if (!snxtitem(&ni_bomb, EF_PLANE, player->argp[1]))
 110         return RET_SYN;
 111     if (!snxtitem(&ni_esc, EF_PLANE,
 112                   getstarg(player->argp[2], "escort(s)? ", buf)))
 113         pr("No escorts...\n");
 114     p = getstarg(player->argp[3], "pinpoint, or strategic? ", buf);
 115     if (!p)
 116         return RET_SYN;
 117     mission = *p;
 118     if (strchr("ps", mission) == 0)
 119         return RET_SYN;
 120     if (!get_assembly_point(player->argp[4], &ap_sect, buf))
 121         return RET_SYN;
 122     ax = ap_sect.sct_x;
 123     ay = ap_sect.sct_y;
 124     if (getpath(flightpath, player->argp[5], ax, ay, 0, 0, P_FLYING) == 0
 125         || *flightpath == 0)
 126         return RET_SYN;
 127     tx = ax;
 128     ty = ay;
 129     (void)pathtoxy(flightpath, &tx, &ty, fcost);
 130     pr("target sector is %s\n", xyas(tx, ty, player->cnum));
 131     getsect(tx, ty, &target);
 132     ip = 0;
 133     ap_to_target = strlen(flightpath);
 134     if (flightpath[ap_to_target - 1] == 'h')
 135         ap_to_target--;
 136     pr("range to target is %d\n", ap_to_target);
 137     /*
 138      * select planes within range
 139      */
 140     mission_flags = 0;
 141     pln_sel(&ni_bomb, &bomb_list, &ap_sect, ap_to_target,
 142             2, wantflags, P_M | P_O);
 143     pln_sel(&ni_esc, &esc_list, &ap_sect, ap_to_target,
 144             2, wantflags | P_F | P_ESC, P_M | P_O);
 145     /*
 146      * now arm and equip the bombers, transports, whatever.
 147      */
 148     mission_flags |= P_X;       /* stealth (shhh) */
 149     mission_flags |= P_H;       /* gets turned off if not all choppers */
 150     mission_flags = pln_arm(&bomb_list, 2 * ap_to_target, mission,
 151                             ip, 0, mission_flags);
 152     if (QEMPTY(&bomb_list)) {
 153         pr("No planes could be equipped for the mission.\n");
 154         return RET_FAIL;
 155     }
 156     mission_flags = pln_arm(&esc_list, 2 * ap_to_target, mission,
 157                             ip, P_F | P_ESC, mission_flags);
 158     ac_encounter(&bomb_list, &esc_list, ax, ay, flightpath, mission_flags,
 159                  0, 0, 0);
 160     if (QEMPTY(&bomb_list)) {
 161         pr("No planes got through fighter defenses\n");
 162     } else if (target.sct_type == SCT_SANCT) {
 163         pr("You can't bomb that sector!\n");
 164     } else {
 165         switch (mission) {
 166         case 'p':
 167             pin_bomb(&bomb_list, &target);
 168             break;
 169         case 's':
 170             if (opt_SLOW_WAR) {
 171                 natp = getnatp(player->cnum);
 172                 if (target.sct_own) {
 173                     rel = getrel(natp, target.sct_own);
 174                     if ((rel != AT_WAR) && (player->cnum != target.sct_own)
 175                         && (target.sct_own) &&
 176                         (target.sct_oldown != player->cnum)) {
 177                         pr("You're not at war with them!\n");
 178                         pln_put(&bomb_list);
 179                         pln_put(&esc_list);
 180                         return RET_FAIL;
 181                     }
 182                 }
 183             }
 184             nreport(player->cnum, N_SCT_BOMB, target.sct_own, 1);
 185             strat_bomb(&bomb_list, &target);
 186             break;
 187         default:
 188             pr("Bad mission %c\n", mission);
 189             break;
 190         }
 191     }
 192     pln_put(&bomb_list);
 193     pln_put(&esc_list);
 194     return RET_OK;
 195 }
 196
 197 static void
 198 pin_bomb(struct emp_qelem *list, struct sctstr *target)
 199 {
 200     struct dchrstr *dcp;
 201     int nplanes;
 202     int nships;
 203     int type;
 204     int bad;
 205     char *p;
 206     struct plist *plp;
 207     int nsubs;
 208     int nunits;
 209     struct natstr *natp;
 210     int rel;
 211     char buf[1024];
 212     int i;
 213
 214     bad = 0;
 215     type = target->sct_type;
 216     dcp = &dchr[type];
 217     pr("Target sector is a %s constructed %s\n",
 218        effadv((int)target->sct_effic), dcp->d_name);
 219     nsubs = 0;
 220     plp = (struct plist *)list->q_forw;
 221     if (plp->pcp->pl_flags & P_A) {
 222         nships = num_shipsatxy(target->sct_x, target->sct_y, 0, 0);
 223         nsubs = nships - shipsatxy(target->sct_x, target->sct_y, 0, M_SUB);
 224         if (nsubs > 0)
 225             pr("Some subs are present in the sector.\n");
 226     } else {
 227         nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB);
 228     }
 229     nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0, list);
 230     nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 231   retry:
 232     p = getstring("Bomb what? (ship, plane, land unit, efficiency, commodities) ",
 233                   buf);
 234     if (p == 0 || *p == 0) {
 235         if (player->aborted)
 236             return;
 237         bad++;
 238         if (bad > 2)
 239             return;
 240         goto retry;
 241     }
 242     switch (*p) {
 243     case 'l':
 244         if (opt_SLOW_WAR) {
 245             natp = getnatp(player->cnum);
 246             if (target->sct_own) {
 247                 rel = getrel(natp, target->sct_own);
 248                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 249                     && (target->sct_own) &&
 250                     (target->sct_oldown != player->cnum)) {
 251                     pr("You're not at war with them!\n");
 252                     goto retry;
 253                 }
 254             }
 255         }
 256         if (nunits == 0) {
 257             pr("no units there\n");
 258             goto retry;
 259         }
 260         land_bomb(list, target);
 261         break;
 262     case 'p':
 263         if (opt_SLOW_WAR) {
 264             natp = getnatp(player->cnum);
 265             if (target->sct_own) {
 266                 rel = getrel(natp, target->sct_own);
 267                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 268                     && (target->sct_own) &&
 269                     (target->sct_oldown != player->cnum)) {
 270                     pr("You're not at war with them!\n");
 271                     goto retry;
 272                 }
 273             }
 274         }
 275         if (nplanes == 0) {
 276             pr("no planes there\n");
 277             goto retry;
 278         }
 279         plane_bomb(list, target);
 280         break;
 281     case 's':
 282         if (nships == 0) {
 283             if (((struct plist *)list->q_forw)->pcp->pl_flags & P_A) {
 284                 if (nsubs == 0) {
 285                     pr("no ships there\n");
 286                     goto retry;
 287                 }
 288             } else {
 289                 pr("no ships there\n");
 290                 goto retry;
 291             }
 292         }
 293         ship_bomb(list, target);
 294         break;
 295     case 'c':
 296         if (opt_SLOW_WAR) {
 297             natp = getnatp(player->cnum);
 298             if (target->sct_own) {
 299                 rel = getrel(natp, target->sct_own);
 300                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 301                     && (target->sct_own) &&
 302                     (target->sct_oldown != player->cnum)) {
 303                     pr("You're not at war with them!\n");
 304                     goto retry;
 305                 }
 306             }
 307         }
 308
 309         for (i = 0; i < nbomb; i++) {
 310             if (!target->sct_item[bombcomm[i]])
 311                 continue;
 312             break;
 313         }
 314         if (i >= nbomb) {
 315             pr("No bombable commodities in %s\n",
 316                xyas(target->sct_x, target->sct_y, player->cnum));
 317             goto retry;
 318         }
 319         comm_bomb(list, target);
 320         break;
 321     case 'e':
 322         if (opt_SLOW_WAR) {
 323             natp = getnatp(player->cnum);
 324             if (target->sct_own) {
 325                 rel = getrel(natp, target->sct_own);
 326                 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
 327                     && (target->sct_own) &&
 328                     (target->sct_oldown != player->cnum)) {
 329                     pr("You're not at war with them!\n");
 330                     goto retry;
 331                 }
 332             }
 333         }
 334         eff_bomb(list, target);
 335         break;
 336     case 'q':
 337         pr("Aborting mission.\n");
 338         return;
 339     default:
 340         pr("Bad target type.\n");
 341         goto retry;
 342     }
 343 }
 344
 345 static void
 346 eff_bomb(struct emp_qelem *list, struct sctstr *target)
 347 {
 348     struct plist *plp;
 349     struct emp_qelem *qp;
 350     struct sctstr sect;
 351     int oldeff, dam = 0;
 352     int nukedam;
 353
 354     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 355         plp = (struct plist *)qp;
 356         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 357             continue;
 358         if (plp->bombs || plp->plane.pln_nuketype != -1)
 359             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 360                               'p', &nukedam, 1);
 361     }
 362     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 363         return;
 364     getsect(target->sct_x, target->sct_y, &sect);
 365     target = &sect;
 366     oldeff = target->sct_effic;
 367     target->sct_effic = effdamage(target->sct_effic, dam);
 368     target->sct_avail = effdamage(target->sct_avail, dam);
 369     target->sct_road = effdamage(target->sct_road, dam);
 370     target->sct_rail = effdamage(target->sct_rail, dam);
 371     target->sct_defense = effdamage(target->sct_defense, dam);
 372     pr("did %d%% damage to efficiency in %s\n",
 373        oldeff - target->sct_effic,
 374        xyas(target->sct_x, target->sct_y, player->cnum));
 375     if (target->sct_own)
 376         wu(0, target->sct_own,
 377            "%s bombing raid did %d%% damage in %s\n",
 378            cname(player->cnum), oldeff - target->sct_effic,
 379            xyas(target->sct_x, target->sct_y, target->sct_own));
 380     if (target->sct_effic < SCT_MINEFF) {
 381         if (target->sct_type == SCT_BSPAN)
 382             knockdown(target, list);
 383         else if (target->sct_type == SCT_BTOWER) {
 384             knockdown(target, list);
 385             bridgefall(target, list);
 386         }
 387     }
 388     putsect(&sect);
 389     collateral_damage(target->sct_x, target->sct_y, dam, list);
 390 }
 391
 392 static void
 393 comm_bomb(struct emp_qelem *list, struct sctstr *target)
 394 {
 395     struct plist *plp;
 396     double b;
 397     int i;
 398     int amt, before;
 399     struct ichrstr *ip;
 400     struct emp_qelem *qp;
 401     struct sctstr sect;
 402     int dam = 0;
 403     int nukedam;
 404
 405     for (i = 0; i < nbomb; i++) {
 406         if (target->sct_item[bombcomm[i]] == 0)
 407             continue;
 408         if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 409             continue;
 410         ip = &ichr[bombcomm[i]];
 411         pr("some %s\n", ip->i_name);
 412     }
 413     for (;;) {
 414         ip = whatitem(NULL, "commodity to bomb? ");
 415         if (player->aborted)
 416             return;
 417         if (!ip)
 418             continue;
 419
 420         for (i = 0; i < nbomb; i++) {
 421             if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 422                 continue;
 423             if (&ichr[bombcomm[i]] == ip)
 424                 break;
 425         }
 426         if (i == nbomb) {
 427             pr("You can't bomb %s!\n", ip->i_name);
 428             for (i = 0; i < nbomb; i++) {
 429                 if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
 430                     continue;
 431                 pr("%s%s", i == 0 ? "Bombable: " : ", ",
 432                    ichr[bombcomm[i]].i_name);
 433             }
 434             pr("\n");
 435         } else
 436             break;
 437     }
 438     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 439         plp = (struct plist *)qp;
 440         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 441             continue;
 442         if (plp->bombs || plp->plane.pln_nuketype != -1)
 443             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 444                               'p', &nukedam, 1);
 445     }
 446     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 447         return;
 448     getsect(target->sct_x, target->sct_y, &sect);
 449     target = &sect;
 450     before = target->sct_item[ip->i_uid];
 451     target->sct_item[ip->i_uid] = amt = commdamage(before, dam, ip->i_uid);
 452     if (before > 0.0)
 453         b = 100.0 * (1.0 - (double)amt / (double)before);
 454     else
 455         b = 0.0;
 456     pr("did %.2f%% damage to %s in %s\n",
 457        b, ip->i_name, xyas(target->sct_x, target->sct_y, player->cnum));
 458     nreport(player->cnum, N_SCT_BOMB, target->sct_own, 1);
 459     if (target->sct_own != 0)
 460         wu(0, target->sct_own,
 461            "%s precision bombing raid did %.2f%% damage to %s in %s\n",
 462            cname(player->cnum), b, ip->i_name,
 463            xyas(target->sct_x, target->sct_y, target->sct_own));
 464     putsect(&sect);
 465     collateral_damage(target->sct_x, target->sct_y, dam, list);
 466 }
 467
 468 static void
 469 ship_bomb(struct emp_qelem *list, struct sctstr *target)
 470 {
 471     struct plist *plp;
 472     struct mchrstr *mcp;
 473     int dam;
 474     char *q;
 475     int n;
 476     struct emp_qelem *qp;
 477     int shipno;
 478     int ignore;
 479     struct shpstr ship;
 480     int nships = 0;
 481     struct shiplist *head = NULL;
 482     char buf[1024];
 483     char prompt[128];
 484     int hitchance;
 485     int nukedam;
 486     int flak;
 487     int gun;
 488     int shell;
 489
 490     for (qp = list->q_forw; qp != list && !player->aborted;
 491          qp = qp->q_forw) {
 492         free_shiplist(&head);
 493         plp = (struct plist *)qp;
 494         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 495             continue;
 496         if (plp->pcp->pl_flags & P_A)
 497             nships = asw_shipsatxy(target->sct_x, target->sct_y, 0, 0,
 498                                    &plp->plane, &head);
 499         else
 500             nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB);
 501         if (nships == 0) {
 502             pr("%s could not find any ships!\n", prplane(&plp->plane));
 503             continue;
 504         }
 505         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 506                       prplane(&plp->plane), plp->bombs);
 507         ignore = 0;
 508         shipno = -1;
 509         while (shipno < 0 && !player->aborted && !ignore) {
 510             if ((q = getstring(prompt, buf)) == 0 || *q == 0)
 511                 continue;
 512             if (*q == '~') {
 513                 ignore = 1;
 514                 continue;
 515             }
 516             if (*q == '?') {
 517                 if (plp->pcp->pl_flags & P_A)
 518                     print_shiplist(head);
 519                 else
 520                     shipsatxy(target->sct_x, target->sct_y, 0, M_SUB);
 521                 continue;
 522             }
 523             if (*q == 'd')
 524                 goto next;
 525             if (!isdigit(*q))
 526                 continue;
 527             n = atoi(q);
 528             if (n < 0)
 529                 continue;
 530             if ((plp->pcp->pl_flags & P_A) && !on_shiplist(n, head))
 531                 continue;
 532             if (getship(n, &ship) && ship.shp_x == target->sct_x &&
 533                 ship.shp_y == target->sct_y)
 534                 shipno = n;
 535         }
 536         if (shipno < 0)
 537             continue;
 538         if ((plp->pcp->pl_flags & P_A) && !on_shiplist(shipno, head))
 539             continue;
 540
 541         shell = gun = 0;
 542         gun = MIN(ship.shp_item[I_GUN], ship.shp_glim);
 543         if (gun > 0) {
 544             shell = ship.shp_item[I_SHELL];
 545             if (shell <= 0)
 546                 shell = supply_commod(ship.shp_own,
 547                                       ship.shp_x, ship.shp_y, I_SHELL, 1);
 548         }
 549         mcp = &mchr[(int)ship.shp_type];
 550         if (gun > 0 && shell > 0 && !(mcp->m_flags & M_SUB)) {
 551             flak = (int)(techfact(ship.shp_tech, gun) * 2.0);
 552             ship.shp_item[I_SHELL] = shell;
 553             putship(ship.shp_uid, &ship);
 554             PR(ship.shp_own, "Flak! Firing %d guns from ship %s\n",
 555                flak, prship(&ship));
 556             if (pinflak_planedamage(&plp->plane, plp->pcp, ship.shp_own, flak))
 557                 continue;
 558         }
 559
 560         dam = 0;
 561         if (plp->plane.pln_nuketype != -1)
 562             hitchance = 100;
 563         else {
 564             hitchance = pln_hitchance(&plp->plane,
 565                                       shp_hardtarget(&ship), EF_SHIP);
 566             pr("%d%% hitchance...", hitchance);
 567         }
 568         if (roll(100) <= hitchance) {
 569             /* pinbombing is more accurate than normal bombing */
 570             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 571                                  'p', &nukedam, 1);
 572         } else {
 573             pr("splash\n");
 574             /* Bombs that miss have to land somewhere! */
 575             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 576                              'p', &nukedam, 0);
 577             collateral_damage(target->sct_x, target->sct_y, dam, list);
 578             dam = 0;
 579         }
 580         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 581             continue;
 582         if (mcp->m_flags & M_SUB)
 583             nreport(player->cnum, N_SUB_BOMB, ship.shp_own, 1);
 584         else
 585             nreport(player->cnum, N_SHP_BOMB, ship.shp_own, 1);
 586         if (ship.shp_own) {
 587             wu(0, ship.shp_own, "%s bombs did %d damage to %s at %s\n",
 588                cname(player->cnum), dam,
 589                prship(&ship),
 590                xyas(target->sct_x, target->sct_y, ship.shp_own));
 591         }
 592         pr("\n");
 593         check_retreat_and_do_shipdamage(&ship, dam);
 594         if (ship.shp_rflags & RET_BOMBED)
 595             if (((ship.shp_rflags & RET_INJURED) == 0) || !dam)
 596                 retreat_ship(&ship, 'b');
 597         putship(ship.shp_uid, &ship);
 598         getship(ship.shp_uid, &ship);
 599         if (!ship.shp_own) {
 600             pr("%s at %s sunk!\n",
 601                prship(&ship),
 602                xyas(target->sct_x, target->sct_y, player->cnum));
 603         }
 604         collateral_damage(target->sct_x, target->sct_y, dam / 2, list);
 605       next:
 606         ;
 607     }
 608     free_shiplist(&head);
 609 }
 610
 611 static void
 612 plane_bomb(struct emp_qelem *list, struct sctstr *target)
 613 {
 614     int dam;
 615     char *q;
 616     int n;
 617     natid own;
 618     struct plnstr plane;
 619     struct emp_qelem *qp;
 620     int planeno;
 621     int ignore;
 622     struct plist *plp;
 623     char prompt[128];
 624     char buf[1024];
 625     int hitchance;
 626     int nukedam;
 627     int nplanes;
 628
 629     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 630         plp = (struct plist *)qp;
 631         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 632             continue;
 633         nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0, list);
 634         if (nplanes == 0) {
 635             pr("%s could not find any planes!\n", prplane(&plp->plane));
 636             continue;
 637         }
 638         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 639                       prplane(&plp->plane), plp->bombs);
 640         planeno = -1;
 641         ignore = 0;
 642         while (planeno < 0 && !player->aborted && !ignore) {
 643             if ((q = getstring(prompt, buf)) == 0 || *q == 0)
 644                 continue;
 645             if (*q == '~') {
 646                 ignore = 1;
 647                 continue;
 648             }
 649             if (*q == '?') {
 650                 planesatxy(target->sct_x, target->sct_y, 0, 0, list);
 651                 continue;
 652             }
 653             if (*q == 'd')
 654                 goto next;
 655             n = atoi(q);
 656             if (n < 0)
 657                 continue;
 658             if (getplane(n, &plane) &&
 659                 plane.pln_x == target->sct_x &&
 660                 plane.pln_y == target->sct_y &&
 661                 ((plane.pln_flags & PLN_LAUNCHED) == 0) &&
 662                 (!ac_isflying(&plane, list)))
 663                 planeno = n;
 664             else
 665                 pr("Plane #%d not spotted\n", n);
 666         }
 667         if (planeno < 0)
 668             continue;
 669         dam = 0;
 670         if (plp->plane.pln_nuketype != -1)
 671             hitchance = 100;
 672         else {
 673             hitchance = pln_hitchance(&plp->plane, 0, EF_PLANE);
 674             pr("%d%% hitchance...", hitchance);
 675         }
 676         if (roll(100) <= hitchance) {
 677             /* pinbombing is more accurate than normal bombing */
 678             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 679                                  'p', &nukedam, 1);
 680         } else {
 681             pr("thud\n");
 682             /* Bombs that miss have to land somewhere! */
 683             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 684                              'p', &nukedam, 0);
 685             collateral_damage(target->sct_x, target->sct_y, dam, list);
 686             dam = 0;
 687         }
 688         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 689             continue;
 690         if (dam > 100)
 691             dam = 100;
 692         own = plane.pln_own;
 693         if (dam > plane.pln_effic) {
 694             plane.pln_effic = 0;
 695             makelost(EF_PLANE, plane.pln_own, plane.pln_uid,
 696                      plane.pln_x, plane.pln_y);
 697             plane.pln_own = 0;
 698         } else
 699             plane.pln_effic -= dam;
 700         plane.pln_mobil = (dam * plane.pln_mobil / 100.0);
 701         if (own == player->cnum) {
 702             pr("%s reports %d%% damage\n", prplane(&plane), dam);
 703         } else {
 704             if (own != 0)
 705                 wu(0, own,
 706                    "%s pinpoint bombing raid did %d%% damage to %s\n",
 707                    cname(player->cnum), dam, prplane(&plane));
 708         }
 709         nreport(player->cnum, N_DOWN_PLANE, own, 1);
 710         if (own != 0)
 711             wu(0, own, "%s bombs did %d%% damage to %s at %s\n",
 712                cname(player->cnum), dam, prplane(&plane),
 713                xyas(target->sct_x, target->sct_y, own));
 714         putplane(plane.pln_uid, &plane);
 715         collateral_damage(target->sct_x, target->sct_y, dam, list);
 716       next:
 717         ;
 718     }
 719 }
 720
 721 static void
 722 land_bomb(struct emp_qelem *list, struct sctstr *target)
 723 {
 724     int dam;
 725     char *q;
 726     int n;
 727     natid own;
 728     char prompt[128];
 729     char buf[1024];
 730     struct lndstr land;
 731     struct emp_qelem *qp;
 732     int unitno;
 733     int ignore, flak, hitchance;
 734     struct plist *plp;
 735     int nukedam;
 736     int nunits;
 737
 738     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 739         plp = (struct plist *)qp;
 740         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 741             continue;
 742         nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
 743         if (nunits == 0) {
 744             pr("%s could not find any units!\n", prplane(&plp->plane));
 745             continue;
 746         }
 747         (void)sprintf(prompt, "%s, %d bombs.  Target ('~' to skip)? ",
 748                       prplane(&plp->plane), plp->bombs);
 749         unitno = -1;
 750         ignore = 0;
 751         while (unitno < 0 && !player->aborted && !ignore) {
 752             if ((q = getstring(prompt, buf)) == 0 || *q == 0)
 753                 continue;
 754             if (*q == '~') {
 755                 ignore = 1;
 756                 continue;
 757             }
 758             if (*q == '?') {
 759                 unitsatxy(target->sct_x, target->sct_y, 0, 0);
 760                 continue;
 761             }
 762             if (*q == 'd')
 763                 goto next;
 764             n = atoi(q);
 765             if (n < 0)
 766                 continue;
 767             if (getland(n, &land) &&
 768                 land.lnd_x == target->sct_x && land.lnd_y == target->sct_y)
 769                 unitno = n;
 770             else
 771                 pr("Unit #%d not spotted\n", n);
 772         }
 773         if (unitno < 0)
 774             continue;
 775
 776         flak = (int)(techfact(land.lnd_tech, land.lnd_aaf) * 3.0);
 777         if (flak) {
 778             PR(land.lnd_own,
 779                "Flak! Firing flak guns from unit %s (aa rating %d)\n",
 780                prland(&land), land.lnd_aaf);
 781             if (pinflak_planedamage(&plp->plane, plp->pcp, land.lnd_own, flak))
 782                 continue;
 783         }
 784
 785         dam = 0;
 786         if (plp->plane.pln_nuketype != -1)
 787             hitchance = 100;
 788         else {
 789             hitchance = pln_hitchance(&plp->plane,
 790                                       lnd_hardtarget(&land), EF_LAND);
 791             pr("%d%% hitchance...", hitchance);
 792         }
 793         if (roll(100) <= hitchance) {
 794             dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
 795                                  'p', &nukedam, 1);
 796         } else {
 797             pr("thud\n");
 798             /* Bombs that miss have to land somewhere! */
 799             dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
 800                              'p', &nukedam, 0);
 801             collateral_damage(target->sct_x, target->sct_y, dam, list);
 802             dam = 0;
 803         }
 804         if (dam <= 0)           /* dam == 0 if only nukes were delivered */
 805             continue;
 806         if (dam > 100)
 807             dam = 100;
 808         own = land.lnd_own;
 809         if (own != 0)
 810             mpr(own, "%s pinpoint bombing raid did %d damage to %s\n",
 811                 cname(player->cnum), dam, prland(&land));
 812         check_retreat_and_do_landdamage(&land, dam);
 813
 814         if (land.lnd_rflags & RET_BOMBED)
 815             if (((land.lnd_rflags & RET_INJURED) == 0) || !dam)
 816                 retreat_land(&land, 'b');
 817         nreport(player->cnum, N_UNIT_BOMB, own, 1);
 818         putland(land.lnd_uid, &land);
 819         collateral_damage(target->sct_x, target->sct_y, dam, list);
 820       next:
 821         ;
 822     }
 823 }
 824
 825 static void
 826 strat_bomb(struct emp_qelem *list, struct sctstr *target)
 827 {
 828     struct plist *plp;
 829     int dam = 0;
 830     struct emp_qelem *qp;
 831     struct sctstr sect;
 832     int nukedam;
 833
 834     for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
 835         plp = (struct plist *)qp;
 836         if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
 837             continue;
 838         if (plp->bombs || plp->plane.pln_nuketype != -1)
 839             dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
 840                               's', &nukedam, 1);
 841     }
 842     if (dam <= 0)               /* dam == 0 if only nukes were delivered */
 843         return;
 844     getsect(target->sct_x, target->sct_y, &sect);
 845     target = &sect;
 846     if (target->sct_own)
 847         wu(0, target->sct_own, "%s bombing raid did %d damage in %s\n",
 848            cname(player->cnum), PERCENT_DAMAGE(dam),
 849            xyas(target->sct_x, target->sct_y, target->sct_own));
 850
 851     sectdamage(target, dam, list);
 852
 853     pr("did %d damage in %s\n", PERCENT_DAMAGE(dam),
 854        xyas(target->sct_x, target->sct_y, player->cnum));
 855     putsect(&sect);
 856 }
 857
 858 static int
 859 pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp, natid from,
 860                     int flak)
 861 {
 862     int disp;
 863     char dmess[255];
 864     int eff;
 865     struct shpstr ship;
 866     struct lndstr land;
 867     natid plane_owner;
 868     int dam;
 869
 870     flak -= (pp->pln_def + 1);
 871     if (pcp->pl_flags & P_X)
 872         flak -= 2;
 873     if (pcp->pl_flags & P_H)
 874         flak -= 1;
 875     dam = ac_flak_dam(flak);
 876     disp = 0;
 877     plane_owner = pp->pln_own;
 878     eff = pp->pln_effic;
 879     if (dam <= 0)
 880         return 0;
 881     memset(dmess, 0, sizeof(dmess));
 882     eff -= dam;
 883     if (eff < 0)
 884         eff = 0;
 885     if (eff < PLANE_MINEFF) {
 886         sprintf(dmess, " -- shot down");
 887         disp = 1;
 888     } else if (chance((100 - eff) / 100.0)) {
 889         sprintf(dmess, " -- aborted with %d%%%% damage", 100 - eff);
 890         disp = 2;
 891     }
 892     PR(plane_owner, "    Flak! %s %s takes %d%s.\n",
 893        cname(pp->pln_own), prplane(pp), dam, dmess);
 894
 895     pp->pln_effic = eff;
 896     if (disp == 1) {
 897         if (from != 0)
 898             nreport(from, N_DOWN_PLANE, pp->pln_own, 1);
 899         if (pp->pln_ship >= 0) {
 900             getship(pp->pln_ship, &ship);
 901             take_plane_off_ship(pp, &ship);
 902         }
 903         if (pp->pln_land >= 0) {
 904             getland(pp->pln_land, &land);
 905             take_plane_off_land(pp, &land);
 906         }
 907         makelost(EF_PLANE, pp->pln_own, pp->pln_uid, pp->pln_x, pp->pln_y);
 908         pp->pln_own = 0;
 909         putplane(pp->pln_uid, pp);
 910     } else
 911         putplane(pp->pln_uid, pp);
 912
 913     if (disp > 0)
 914         return 1;
 915     return 0;
 916 }