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);
89 char flightpath[MAX_PATH_LEN];
90 struct nstr_item ni_bomb;
91 struct nstr_item ni_esc;
93 struct emp_qelem bomb_list;
94 struct emp_qelem esc_list;
96 struct sctstr ap_sect;
99 struct emp_qelem *qp, *next;
105 if (get_planes(&ni_bomb, &ni_esc, player->argp[1], player->argp[2]) < 0)
107 p = getstarg(player->argp[3], "pinpoint, or strategic? ", buf);
111 if (strchr("ps", mission) == 0)
113 if (!get_assembly_point(player->argp[4], &ap_sect, buf))
117 if (getpath(flightpath, player->argp[5], ax, ay, 0, 0, P_FLYING) == 0
122 (void)pathtoxy(flightpath, &tx, &ty, fcost);
123 pr("target sector is %s\n", xyas(tx, ty, player->cnum));
124 getsect(tx, ty, &target);
126 ap_to_target = strlen(flightpath);
127 if (flightpath[ap_to_target - 1] == 'h')
129 pr("range to target is %d\n", ap_to_target);
131 * select planes within range
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);
138 * now arm and equip the bombers, transports, whatever.
140 pln_arm(&bomb_list, 2 * ap_to_target, mission, ip, 0);
141 if (QEMPTY(&bomb_list)) {
142 pr("No planes could be equipped for the mission.\n");
145 pln_arm(&esc_list, 2 * ap_to_target, mission, ip, P_F | P_ESC);
146 ac_encounter(&bomb_list, &esc_list, ax, ay, flightpath, 0);
147 if (QEMPTY(&bomb_list)) {
148 pr("No planes got through fighter defenses\n");
149 } else if (target.sct_type == SCT_SANCT) {
150 pr("You can't bomb that sector!\n");
154 pin_bomb(&bomb_list, &target);
155 for (qp = bomb_list.q_forw; qp != &bomb_list; qp = next) {
157 plp = (struct plist *)qp;
158 changed_plane_aborts(plp);
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");
176 nreport(player->cnum, N_SCT_BOMB, target.sct_own, 1);
177 strat_bomb(&bomb_list, &target);
189 pin_bomb(struct emp_qelem *list, struct sctstr *target)
205 type = target->sct_type;
207 pr("Target sector is a %s constructed %s\n",
208 effadv((int)target->sct_effic), dcp->d_name);
210 nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
211 if (pln_caps(list) & P_A) {
212 nsubs = shipsatxy(target->sct_x, target->sct_y, M_SUB, 0, 1);
214 pr("Some subs are present in the sector.\n");
216 nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
217 nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
219 p = getstring("Bomb what? (ship, plane, land unit, efficiency, commodities) ",
232 natp = getnatp(player->cnum);
233 if (target->sct_own) {
234 rel = getrel(natp, target->sct_own);
235 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
236 && (target->sct_own) &&
237 (target->sct_oldown != player->cnum)) {
238 pr("You're not at war with them!\n");
244 pr("no units there\n");
247 land_bomb(list, target);
251 natp = getnatp(player->cnum);
252 if (target->sct_own) {
253 rel = getrel(natp, target->sct_own);
254 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
255 && (target->sct_own) &&
256 (target->sct_oldown != player->cnum)) {
257 pr("You're not at war with them!\n");
263 pr("no planes there\n");
266 plane_bomb(list, target);
270 if (pln_caps(list) & P_A) {
272 pr("no ships there\n");
276 pr("no ships there\n");
280 ship_bomb(list, target);
284 natp = getnatp(player->cnum);
285 if (target->sct_own) {
286 rel = getrel(natp, target->sct_own);
287 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
288 && (target->sct_own) &&
289 (target->sct_oldown != player->cnum)) {
290 pr("You're not at war with them!\n");
296 for (i = 0; i < nbomb; i++) {
297 if (!target->sct_item[bombcomm[i]])
302 pr("No bombable commodities in %s\n",
303 xyas(target->sct_x, target->sct_y, player->cnum));
306 comm_bomb(list, target);
310 natp = getnatp(player->cnum);
311 if (target->sct_own) {
312 rel = getrel(natp, target->sct_own);
313 if ((rel != AT_WAR) && (player->cnum != target->sct_own)
314 && (target->sct_own) &&
315 (target->sct_oldown != player->cnum)) {
316 pr("You're not at war with them!\n");
321 eff_bomb(list, target);
324 pr("Aborting mission.\n");
327 pr("Bad target type.\n");
333 eff_bomb(struct emp_qelem *list, struct sctstr *target)
336 struct emp_qelem *qp, *next;
341 for (qp = list->q_forw; qp != list; qp = next) {
343 plp = (struct plist *)qp;
344 if (changed_plane_aborts(plp))
346 if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
348 if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
349 dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
352 if (dam <= 0) /* dam == 0 if only nukes were delivered */
354 getsect(target->sct_x, target->sct_y, §);
356 oldeff = target->sct_effic;
357 target->sct_effic = effdamage(target->sct_effic, dam);
358 target->sct_avail = effdamage(target->sct_avail, dam);
359 target->sct_road = effdamage(target->sct_road, dam);
360 target->sct_rail = effdamage(target->sct_rail, dam);
361 target->sct_defense = effdamage(target->sct_defense, dam);
362 pr("did %d%% damage to efficiency in %s\n",
363 oldeff - target->sct_effic,
364 xyas(target->sct_x, target->sct_y, player->cnum));
366 wu(0, target->sct_own,
367 "%s bombing raid did %d%% damage in %s\n",
368 cname(player->cnum), oldeff - target->sct_effic,
369 xyas(target->sct_x, target->sct_y, target->sct_own));
370 bridge_damaged(target);
372 collateral_damage(target->sct_x, target->sct_y, dam);
376 comm_bomb(struct emp_qelem *list, struct sctstr *target)
383 struct emp_qelem *qp, *next;
388 for (i = 0; i < nbomb; i++) {
389 if (target->sct_item[bombcomm[i]] == 0)
391 if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
393 ip = &ichr[bombcomm[i]];
394 pr("some %s\n", ip->i_name);
397 ip = whatitem(NULL, "commodity to bomb? ");
403 for (i = 0; i < nbomb; i++) {
404 if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
406 if (&ichr[bombcomm[i]] == ip)
410 pr("You can't bomb %s!\n", ip->i_name);
411 for (i = 0; i < nbomb; i++) {
412 if (opt_SUPER_BARS && bombcomm[i] == I_BAR)
414 pr("%s%s", i == 0 ? "Bombable: " : ", ",
415 ichr[bombcomm[i]].i_name);
421 for (qp = list->q_forw; qp != list; qp = next) {
423 plp = (struct plist *)qp;
424 if (changed_plane_aborts(plp))
426 if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
428 if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
429 dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
432 if (dam <= 0) /* dam == 0 if only nukes were delivered */
434 getsect(target->sct_x, target->sct_y, §);
436 before = target->sct_item[ip->i_uid];
437 target->sct_item[ip->i_uid] = amt = commdamage(before, dam, ip->i_uid);
439 b = 100.0 * (1.0 - (double)amt / (double)before);
442 pr("did %.2f%% damage to %s in %s\n",
443 b, ip->i_name, xyas(target->sct_x, target->sct_y, player->cnum));
444 nreport(player->cnum, N_SCT_BOMB, target->sct_own, 1);
445 if (target->sct_own != 0)
446 wu(0, target->sct_own,
447 "%s precision bombing raid did %.2f%% damage to %s in %s\n",
448 cname(player->cnum), b, ip->i_name,
449 xyas(target->sct_x, target->sct_y, target->sct_own));
451 collateral_damage(target->sct_x, target->sct_y, dam);
455 ship_bomb(struct emp_qelem *list, struct sctstr *target)
462 struct emp_qelem *qp, *next;
466 struct shiplist *head = NULL;
474 for (qp = list->q_forw; qp != list; qp = next) {
476 free_shiplist(&head);
477 plp = (struct plist *)qp;
478 if (changed_plane_aborts(plp))
480 if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
482 if (plp->pcp->pl_flags & P_A)
483 nships = asw_shipsatxy(target->sct_x, target->sct_y, 0, 0,
486 nships = shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
488 pr("%s could not find any ships!\n", prplane(&plp->plane));
491 (void)sprintf(prompt, "%s, %d bombs. Target ('~' to skip)? ",
492 prplane(&plp->plane), plp->bombs);
495 if ((q = getstring(prompt, buf)) == 0)
502 if (plp->pcp->pl_flags & P_A)
503 print_shiplist(head);
505 shipsatxy(target->sct_x, target->sct_y, 0, M_SUB, 0);
511 if ((!(plp->pcp->pl_flags & P_A) || on_shiplist(n, head)) &&
512 getship(n, &ship) && ship.shp_own &&
513 ship.shp_x == target->sct_x && ship.shp_y == target->sct_y)
516 pr("Ship #%d not spotted\n", n);
520 if ((plp->pcp->pl_flags & P_A) && !on_shiplist(shipno, head))
522 if (changed_plane_aborts(plp))
525 gun = shp_usable_guns(&ship);
526 mcp = &mchr[(int)ship.shp_type];
527 if (gun > 0 && !(mcp->m_flags & M_SUB)) {
528 flak = (int)(techfact(ship.shp_tech, gun) * 2.0);
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))
536 if (nuk_on_plane(&plp->plane) >= 0)
539 hitchance = pln_hitchance(&plp->plane,
540 shp_hardtarget(&ship), EF_SHIP);
541 pr("%d%% hitchance...", hitchance);
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,
549 /* Bombs that miss have to land somewhere! */
550 dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
552 collateral_damage(target->sct_x, target->sct_y, dam);
555 if (dam <= 0) /* dam == 0 if only nukes were delivered */
557 if (mcp->m_flags & M_SUB)
558 nreport(player->cnum, N_SUB_BOMB, ship.shp_own, 1);
560 nreport(player->cnum, N_SHP_BOMB, ship.shp_own, 1);
562 wu(0, ship.shp_own, "%s bombs did %d damage to %s at %s\n",
563 cname(player->cnum), dam,
565 xyas(target->sct_x, target->sct_y, ship.shp_own));
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);
575 pr("%s at %s sunk!\n",
577 xyas(target->sct_x, target->sct_y, player->cnum));
579 collateral_damage(target->sct_x, target->sct_y, dam / 2);
582 free_shiplist(&head);
586 plane_bomb(struct emp_qelem *list, struct sctstr *target)
593 struct emp_qelem *qp, *next;
602 for (qp = list->q_forw; qp != list; qp = next) {
604 plp = (struct plist *)qp;
605 if (changed_plane_aborts(plp))
607 if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
609 nplanes = planesatxy(target->sct_x, target->sct_y, 0, 0);
611 pr("%s could not find any planes!\n", prplane(&plp->plane));
614 (void)sprintf(prompt, "%s, %d bombs. Target ('~' to skip)? ",
615 prplane(&plp->plane), plp->bombs);
617 while (planeno < 0) {
618 if ((q = getstring(prompt, buf)) == 0)
625 planesatxy(target->sct_x, target->sct_y, 0, 0);
631 if (getplane(n, &plane) &&
632 plane.pln_x == target->sct_x &&
633 plane.pln_y == target->sct_y &&
634 plane.pln_ship < 0 && plane.pln_land < 0 &&
635 !(plane.pln_flags & PLN_LAUNCHED))
638 pr("Plane #%d not spotted\n", n);
642 if (changed_plane_aborts(plp))
645 if (nuk_on_plane(&plp->plane) >= 0)
648 hitchance = pln_hitchance(&plp->plane, 0, EF_PLANE);
649 pr("%d%% hitchance...", hitchance);
651 if (roll(100) <= hitchance) {
652 /* pinbombing is more accurate than normal bombing */
653 dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
657 /* Bombs that miss have to land somewhere! */
658 dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
660 collateral_damage(target->sct_x, target->sct_y, dam);
663 if (dam <= 0) /* dam == 0 if only nukes were delivered */
668 if (dam > plane.pln_effic)
671 plane.pln_effic -= dam;
672 plane.pln_mobil = (dam * plane.pln_mobil / 100.0);
673 if (own == player->cnum) {
674 pr("%s reports %d%% damage\n", prplane(&plane), dam);
678 "%s pinpoint bombing raid did %d%% damage to %s\n",
679 cname(player->cnum), dam, prplane(&plane));
681 nreport(player->cnum, N_DOWN_PLANE, own, 1);
683 wu(0, own, "%s bombs did %d%% damage to %s at %s\n",
684 cname(player->cnum), dam, prplane(&plane),
685 xyas(target->sct_x, target->sct_y, own));
686 putplane(plane.pln_uid, &plane);
687 collateral_damage(target->sct_x, target->sct_y, dam);
692 land_bomb(struct emp_qelem *list, struct sctstr *target)
701 struct emp_qelem *qp, *next;
703 int aaf, flak, hitchance;
708 for (qp = list->q_forw; qp != list; qp = next) {
710 plp = (struct plist *)qp;
711 if (changed_plane_aborts(plp))
713 if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
715 nunits = unitsatxy(target->sct_x, target->sct_y, 0, 0);
717 pr("%s could not find any units!\n", prplane(&plp->plane));
720 (void)sprintf(prompt, "%s, %d bombs. Target ('~' to skip)? ",
721 prplane(&plp->plane), plp->bombs);
724 if ((q = getstring(prompt, buf)) == 0)
731 unitsatxy(target->sct_x, target->sct_y, 0, 0);
737 if (getland(n, &land) && land.lnd_own &&
738 land.lnd_ship < 0 && land.lnd_land < 0 &&
739 land.lnd_x == target->sct_x && land.lnd_y == target->sct_y)
742 pr("Unit #%d not spotted\n", n);
746 if (changed_plane_aborts(plp))
749 aaf = lnd_aaf(&land);
751 flak = roundavg(techfact(land.lnd_tech,
752 aaf * 3.0 * land.lnd_effic / 100.0));
754 "Flak! Firing flak guns from unit %s (aa rating %d)\n",
756 if (pinflak_planedamage(&plp->plane, plp->pcp, land.lnd_own, flak))
761 if (nuk_on_plane(&plp->plane) >= 0)
764 hitchance = pln_hitchance(&plp->plane,
765 lnd_hardtarget(&land), EF_LAND);
766 pr("%d%% hitchance...", hitchance);
768 if (roll(100) <= hitchance) {
769 dam = 2 * pln_damage(&plp->plane, target->sct_x, target->sct_y,
773 /* Bombs that miss have to land somewhere! */
774 dam = pln_damage(&plp->plane, target->sct_x, target->sct_y,
776 collateral_damage(target->sct_x, target->sct_y, dam);
779 if (dam <= 0) /* dam == 0 if only nukes were delivered */
784 mpr(own, "%s pinpoint bombing raid did %d damage to %s\n",
785 cname(player->cnum), dam, prland(&land));
786 check_retreat_and_do_landdamage(&land, dam);
788 if (land.lnd_rflags & RET_BOMBED)
789 if (((land.lnd_rflags & RET_INJURED) == 0) || !dam)
790 retreat_land(&land, 'b');
791 nreport(player->cnum, N_UNIT_BOMB, own, 1);
792 putland(land.lnd_uid, &land);
793 collateral_damage(target->sct_x, target->sct_y, dam);
798 strat_bomb(struct emp_qelem *list, struct sctstr *target)
802 struct emp_qelem *qp;
806 for (qp = list->q_forw; qp != list; qp = qp->q_forw) {
807 plp = (struct plist *)qp;
808 if ((plp->pcp->pl_flags & P_C) && (!(plp->pcp->pl_flags & P_T)))
810 if (plp->bombs || nuk_on_plane(&plp->plane) >= 0)
811 dam += pln_damage(&plp->plane, target->sct_x, target->sct_y,
814 if (dam <= 0) /* dam == 0 if only nukes were delivered */
816 getsect(target->sct_x, target->sct_y, §);
819 wu(0, target->sct_own, "%s bombing raid did %d damage in %s\n",
820 cname(player->cnum), PERCENT_DAMAGE(dam),
821 xyas(target->sct_x, target->sct_y, target->sct_own));
823 sectdamage(target, dam);
825 pr("did %d damage in %s\n", PERCENT_DAMAGE(dam),
826 xyas(target->sct_x, target->sct_y, player->cnum));
831 changed_plane_aborts(struct plist *plp)
833 if (check_plane_ok(&plp->plane))
835 getplane(plp->plane.pln_uid, &plp->plane);
841 pinflak_planedamage(struct plnstr *pp, struct plchrstr *pcp, natid from,
850 dam = ac_flak_dam(flak, pln_def(pp), pcp->pl_flags);
852 plane_owner = pp->pln_own;
856 memset(dmess, 0, sizeof(dmess));
860 if (eff < PLANE_MINEFF) {
861 sprintf(dmess, " -- shot down");
863 } else if (chance((100 - eff) / 100.0)) {
864 sprintf(dmess, " -- aborted with %d%% damage", 100 - eff);
867 PR(plane_owner, " Flak! %s %s takes %d%s.\n",
868 cname(pp->pln_own), prplane(pp), dam, dmess);
873 nreport(from, N_DOWN_PLANE, pp->pln_own, 1);
875 putplane(pp->pln_uid, pp);