2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2009, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure
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.
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.
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
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.
28 * bomb.c: Fly bombing missions
30 * Known contributors to this file:
33 * Steve McClure, 1998-2000
34 * Markus Armbruster, 2004-2009
52 static void pin_bomb(struct emp_qelem *, struct sctstr *);
53 static void eff_bomb(struct emp_qelem *, struct sctstr *);
54 static void comm_bomb(struct emp_qelem *, struct sctstr *);
55 static void ship_bomb(struct emp_qelem *, struct sctstr *);
56 static void plane_bomb(struct emp_qelem *, struct sctstr *);
57 static void land_bomb(struct emp_qelem *, struct sctstr *);
58 static void strat_bomb(struct emp_qelem *, struct sctstr *);
59 static int changed_plane_aborts(struct plist *);
60 static int pinflak_planedamage(struct plnstr *, struct plchrstr *,
63 static i_type bombcomm[] = {
79 static int nbomb = sizeof(bombcomm) / sizeof(*bombcomm);
88 char flightpath[MAX_PATH_LEN];
89 struct nstr_item ni_bomb;
90 struct nstr_item ni_esc;
92 struct emp_qelem bomb_list;
93 struct emp_qelem esc_list;
94 struct sctstr ap_sect;
97 struct emp_qelem *qp, *next;
102 if (get_planes(&ni_bomb, &ni_esc, player->argp[1], player->argp[2]) < 0)
104 p = getstarg(player->argp[3], "pinpoint, or strategic? ", buf);
108 if (!strchr("ps", mission))
110 if (!get_assembly_point(player->argp[4], &ap_sect, buf))
114 if (!getpath(flightpath, player->argp[5], ax, ay, 0, 0, P_FLYING)
119 (void)pathtoxy(flightpath, &tx, &ty, fcost);
120 pr("target sector is %s\n", xyas(tx, ty, player->cnum));
121 getsect(tx, ty, &target);
122 ap_to_target = strlen(flightpath);
123 if (flightpath[ap_to_target - 1] == 'h')
125 pr("range to target is %d\n", ap_to_target);
127 * select planes within range
129 pln_sel(&ni_bomb, &bomb_list, &ap_sect, ap_to_target, 2,
130 P_B | P_T, P_M | P_O);
131 pln_sel(&ni_esc, &esc_list, &ap_sect, ap_to_target, 2,
132 P_ESC | P_F, P_M | P_O);
134 * now arm and equip the bombers, transports, whatever.
136 pln_arm(&bomb_list, 2 * ap_to_target, mission, NULL);
137 if (QEMPTY(&bomb_list)) {
138 pr("No planes could be equipped for the mission.\n");
141 pln_arm(&esc_list, 2 * ap_to_target, 'e', NULL);
142 ac_encounter(&bomb_list, &esc_list, ax, ay, flightpath, 0);
143 if (QEMPTY(&bomb_list)) {
144 pr("No planes got through fighter defenses\n");
145 } else if (target.sct_type == SCT_SANCT) {
146 pr("You can't bomb that sector!\n");
150 pin_bomb(&bomb_list, &target);
151 for (qp = bomb_list.q_forw; qp != &bomb_list; qp = next) {
153 plp = (struct plist *)qp;
154 changed_plane_aborts(plp);
156 for (qp = esc_list.q_forw; qp != &esc_list; qp = next) {
158 plp = (struct plist *)qp;
159 changed_plane_aborts(plp);
164 natp = getnatp(player->cnum);
165 if (target.sct_own) {
166 rel = getrel(natp, target.sct_own);
167 if ((rel != AT_WAR) && (player->cnum != target.sct_own)
168 && (target.sct_own) &&
169 (target.sct_oldown != player->cnum)) {
170 pr("You're not at war with them!\n");
177 nreport(player->cnum, N_SCT_BOMB, target.sct_own, 1);
178 strat_bomb(&bomb_list, &target);
190 pin_bomb(struct emp_qelem *list, struct sctstr *target)
206 type = target->sct_type;
208 pr("Target sector is a %s constructed %s\n",
209 effadv((int)target->sct_effic), dcp->d_name);
211 nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
212 if (pln_caps(list) & P_A) {
213 nsubs = shipsatxy(target->sct_x, target->sct_y, M_SUB, 0, 1);
215 pr("Some subs are present in the sector.\n");
217 nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
218 nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
220 p = getstring("Bomb what? (ship, plane, land unit, efficiency, commodities) ",
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");
245 pr("no units there\n");
248 land_bomb(list, target);
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");
264 pr("no planes there\n");
267 plane_bomb(list, target);
271 if (pln_caps(list) & P_A) {
273 pr("no ships there\n");
277 pr("no ships there\n");
281 ship_bomb(list, target);
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");
297 for (i = 0; i < nbomb; i++) {
298 if (!target->sct_item[bombcomm[i]])
303 pr("No bombable commodities in %s\n",
304 xyas(target->sct_x, target->sct_y, player->cnum));
307 comm_bomb(list, target);
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");
322 eff_bomb(list, target);
325 pr("Aborting mission.\n");
328 pr("Bad target type.\n");
334 eff_bomb(struct emp_qelem *list, struct sctstr *target)
337 struct emp_qelem *qp, *next;
342 for (qp = list->q_forw; qp != list; qp = next) {
344 plp = (struct plist *)qp;
345 if (changed_plane_aborts(plp))
347 dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
350 if (dam <= 0) /* dam == 0 if only nukes were delivered */
352 getsect(target->sct_x, target->sct_y, §);
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));
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);
370 collateral_damage(target->sct_x, target->sct_y, dam);
374 comm_bomb(struct emp_qelem *list, struct sctstr *target)
381 struct emp_qelem *qp, *next;
386 for (i = 0; i < nbomb; i++) {
387 if (target->sct_item[bombcomm[i]] == 0)
389 if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
391 ip = &ichr[bombcomm[i]];
392 pr("some %s\n", ip->i_name);
395 ip = whatitem(NULL, "commodity to bomb? ");
401 for (i = 0; i < nbomb; i++) {
402 if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
404 if (&ichr[bombcomm[i]] == ip)
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)
412 pr("%s%s", i == 0 ? "Bombable: " : ", ",
413 ichr[bombcomm[i]].i_name);
419 for (qp = list->q_forw; qp != list; qp = next) {
421 plp = (struct plist *)qp;
422 if (changed_plane_aborts(plp))
424 dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
427 if (dam <= 0) /* dam == 0 if only nukes were delivered */
429 getsect(target->sct_x, target->sct_y, §);
431 before = target->sct_item[ip->i_uid];
432 target->sct_item[ip->i_uid] = amt = commdamage(before, dam, ip->i_uid);
434 b = 100.0 * (1.0 - (double)amt / (double)before);
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));
446 collateral_damage(target->sct_x, target->sct_y, dam);
450 ship_bomb(struct emp_qelem *list, struct sctstr *target)
457 struct emp_qelem *qp, *next;
461 struct shiplist *head = NULL;
469 for (qp = list->q_forw; qp != list; qp = next) {
471 free_shiplist(&head);
472 plp = (struct plist *)qp;
473 if (changed_plane_aborts(plp))
475 if (plp->pcp->pl_flags & P_A)
476 nships = asw_shipsatxy(target->sct_x, target->sct_y, 0, 0,
479 nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
481 pr("%s could not find any ships!\n", prplane(&plp->plane));
484 (void)sprintf(prompt, "%s, %d bombs. Target ('~' to skip)? ",
485 prplane(&plp->plane), plp->load);
488 if (!(q = getstring(prompt, buf)))
495 if (plp->pcp->pl_flags & P_A)
496 print_shiplist(head);
498 shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
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)
509 pr("Ship #%d not spotted\n", n);
513 if ((plp->pcp->pl_flags & P_A) && !on_shiplist(shipno, head))
515 if (changed_plane_aborts(plp))
518 gun = shp_usable_guns(&ship);
519 mcp = &mchr[(int)ship.shp_type];
520 if (gun > 0 && !(mcp->m_flags & M_SUB)) {
521 flak = (int)(techfact(ship.shp_tech, gun) * 2.0);
522 PR(ship.shp_own, "Flak! Firing %d guns from ship %s\n",
523 flak, prship(&ship));
524 if (pinflak_planedamage(&plp->plane, plp->pcp, ship.shp_own, flak))
529 if (nuk_on_plane(&plp->plane) >= 0)
532 hitchance = pln_hitchance(&plp->plane,
533 shp_hardtarget(&ship), EF_SHIP);
534 pr("%d%% hitchance...", hitchance);
536 if (roll(100) <= hitchance) {
537 /* pinbombing is more accurate than normal bombing */
538 dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
542 /* Bombs that miss have to land somewhere! */
543 dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
545 collateral_damage(target->sct_x, target->sct_y, dam);
548 if (dam <= 0) /* dam == 0 if only nukes were delivered */
550 if (mcp->m_flags & M_SUB)
551 nreport(player->cnum, N_SUB_BOMB, ship.shp_own, 1);
553 nreport(player->cnum, N_SHP_BOMB, ship.shp_own, 1);
555 wu(0, ship.shp_own, "%s bombs did %d damage to %s at %s\n",
556 cname(player->cnum), dam,
558 xyas(target->sct_x, target->sct_y, ship.shp_own));
561 check_retreat_and_do_shipdamage(&ship, dam);
562 if (ship.shp_rflags & RET_BOMBED)
563 if (((ship.shp_rflags & RET_INJURED) == 0) || !dam)
564 retreat_ship(&ship, 'b');
565 putship(ship.shp_uid, &ship);
566 getship(ship.shp_uid, &ship);
568 pr("%s at %s sunk!\n",
570 xyas(target->sct_x, target->sct_y, player->cnum));
572 collateral_damage(target->sct_x, target->sct_y, dam / 2);
575 free_shiplist(&head);
579 plane_bomb(struct emp_qelem *list, struct sctstr *target)
586 struct emp_qelem *qp, *next;
595 for (qp = list->q_forw; qp != list; qp = next) {
597 plp = (struct plist *)qp;
598 if (changed_plane_aborts(plp))
600 nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
602 pr("%s could not find any planes!\n", prplane(&plp->plane));
605 (void)sprintf(prompt, "%s, %d bombs. Target ('~' to skip)? ",
606 prplane(&plp->plane), plp->load);
608 while (planeno < 0) {
609 if (!(q = getstring(prompt, buf)))
616 planesatxy(target->sct_x, target->sct_y, 0, 0);
622 if (getplane(n, &plane) &&
623 plane.pln_x == target->sct_x &&
624 plane.pln_y == target->sct_y &&
625 plane.pln_ship < 0 && plane.pln_land < 0 &&
626 !(plane.pln_flags & PLN_LAUNCHED))
629 pr("Plane #%d not spotted\n", n);
633 if (changed_plane_aborts(plp))
636 if (nuk_on_plane(&plp->plane) >= 0)
639 hitchance = pln_hitchance(&plp->plane, 0, EF_PLANE);
640 pr("%d%% hitchance...", hitchance);
642 if (roll(100) <= hitchance) {
643 /* pinbombing is more accurate than normal bombing */
644 dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
648 /* Bombs that miss have to land somewhere! */
649 dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
651 collateral_damage(target->sct_x, target->sct_y, dam);
654 if (dam <= 0) /* dam == 0 if only nukes were delivered */
659 if (dam > plane.pln_effic)
662 plane.pln_effic -= dam;
663 plane.pln_mobil = (dam * plane.pln_mobil / 100.0);
664 if (own == player->cnum) {
665 pr("%s reports %d%% damage\n", prplane(&plane), dam);
669 "%s pinpoint bombing raid did %d%% damage to %s\n",
670 cname(player->cnum), dam, prplane(&plane));
672 nreport(player->cnum, N_DOWN_PLANE, own, 1);
674 wu(0, own, "%s bombs did %d%% damage to %s at %s\n",
675 cname(player->cnum), dam, prplane(&plane),
676 xyas(target->sct_x, target->sct_y, own));
677 putplane(plane.pln_uid, &plane);
678 collateral_damage(target->sct_x, target->sct_y, dam);
683 land_bomb(struct emp_qelem *list, struct sctstr *target)
692 struct emp_qelem *qp, *next;
694 int aaf, flak, hitchance;
699 for (qp = list->q_forw; qp != list; qp = next) {
701 plp = (struct plist *)qp;
702 if (changed_plane_aborts(plp))
704 nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
706 pr("%s could not find any units!\n", prplane(&plp->plane));
709 (void)sprintf(prompt, "%s, %d bombs. Target ('~' to skip)? ",
710 prplane(&plp->plane), plp->load);
713 if (!(q = getstring(prompt, buf)))
720 unitsatxy(target->sct_x, target->sct_y, 0, 0);
726 if (getland(n, &land) && land.lnd_own &&
727 land.lnd_ship < 0 && land.lnd_land < 0 &&
728 land.lnd_x == target->sct_x && land.lnd_y == target->sct_y)
731 pr("Unit #%d not spotted\n", n);
735 if (changed_plane_aborts(plp))
738 aaf = lnd_aaf(&land);
740 flak = roundavg(techfact(land.lnd_tech,
741 aaf * 3.0 * land.lnd_effic / 100.0));
743 "Flak! Firing flak guns from unit %s (aa rating %d)\n",
745 if (pinflak_planedamage(&plp->plane, plp->pcp, land.lnd_own, flak))
750 if (nuk_on_plane(&plp->plane) >= 0)
753 hitchance = pln_hitchance(&plp->plane,
754 lnd_hardtarget(&land), EF_LAND);
755 pr("%d%% hitchance...", hitchance);
757 if (roll(100) <= hitchance) {
758 dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
762 /* Bombs that miss have to land somewhere! */
763 dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
765 collateral_damage(target->sct_x, target->sct_y, dam);
768 if (dam <= 0) /* dam == 0 if only nukes were delivered */
773 mpr(own, "%s pinpoint bombing raid did %d damage to %s\n",
774 cname(player->cnum), dam, prland(&land));
775 check_retreat_and_do_landdamage(&land, dam);
777 if (land.lnd_rflags & RET_BOMBED)
778 if (((land.lnd_rflags & RET_INJURED) == 0) || !dam)
779 retreat_land(&land, 'b');
780 nreport(player->cnum, N_UNIT_BOMB, own, 1);
781 putland(land.lnd_uid, &land);
782 collateral_damage(target->sct_x, target->sct_y, dam);
787 strat_bomb(struct emp_qelem *list, struct sctstr *target)
791 struct emp_qelem *qp;
795 for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
796 plp = (struct plist *)qp;
797 dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
800 if (dam <= 0) /* dam == 0 if only nukes were delivered */
802 getsect(target->sct_x, target->sct_y, §);
805 wu(0, target->sct_own, "%s bombing raid did %d damage in %s\n",
806 cname(player->cnum), PERCENT_DAMAGE(dam),
807 xyas(target->sct_x, target->sct_y, target->sct_own));
809 sectdamage(target, dam);
811 pr("did %d damage in %s\n", PERCENT_DAMAGE(dam),
812 xyas(target->sct_x, target->sct_y, player->cnum));
817 changed_plane_aborts(struct plist *plp)
819 if (check_plane_ok(&plp->plane))
821 getplane(plp->plane.pln_uid, &plp->plane);
827 pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp, natid from,
836 dam = ac_flak_dam(flak, pln_def(pp), pcp->pl_flags);
838 plane_owner = pp->pln_own;
842 memset(dmess, 0, sizeof(dmess));
846 if (eff < PLANE_MINEFF) {
847 sprintf(dmess, " -- shot down");
849 } else if (chance((100 - eff) / 100.0)) {
850 sprintf(dmess, " -- aborted with %d%% damage", 100 - eff);
853 PR(plane_owner, " Flak! %s %s takes %d%s.\n",
854 cname(pp->pln_own), prplane(pp), dam, dmess);
859 nreport(from, N_DOWN_PLANE, pp->pln_own, 1);
861 putplane(pp->pln_uid, pp);