2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2015, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure, Markus Armbruster
6 * Empire 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 3 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, see <http://www.gnu.org/licenses/>.
21 * See files README, COPYING and CREDITS in the root of the source
22 * tree for related information and legal notices. It is expected
23 * that future projects/authors will amend these files as needed.
27 * drop.c: Air-drop commodities
29 * Known contributors to this file:
31 * Markus Armbruster, 2004-2012
48 char flightpath[MAX_PATH_LEN];
49 struct nstr_item ni_bomb;
50 struct nstr_item ni_esc;
52 struct emp_qelem bomb_list;
53 struct emp_qelem esc_list;
55 struct sctstr ap_sect;
58 if (get_planes(&ni_bomb, &ni_esc, player->argp[1], player->argp[2]) < 0)
60 if (!get_assembly_point(player->argp[3], &ap_sect, buf))
64 if (!getpath(flightpath, player->argp[4], ax, ay, 0, 0, MOB_FLY))
68 (void)pathtoxy(flightpath, &tx, &ty, fcost);
69 pr("target is %s\n", xyas(tx, ty, player->cnum));
70 if (!(ip = whatitem(player->argp[5], "Drop off what? ")))
72 getsect(tx, ty, &target);
74 if (relations_with(target.sct_own, player->cnum) == ALLIED) {
75 /* own or allied sector: cargo drop */
76 if (ip->i_uid == I_CIVIL) {
77 if (target.sct_own != player->cnum) {
78 pr("Your civilians refuse to board a flight abroad!\n");
81 if (target.sct_own != target.sct_oldown) {
82 pr("Can't drop civilians into occupied sectors.\n");
88 /* into the unknown... */
89 if (ip->i_uid != I_SHELL) {
90 pr("You don't own %s!\n", xyas(tx, ty, player->cnum));
97 ap_to_target = strlen(flightpath);
98 pr("range to target is %d\n", ap_to_target);
100 * select planes within range
102 pln_sel(&ni_bomb, &bomb_list, &ap_sect, ap_to_target, 2,
103 wantflags, P_M | P_O);
104 pln_sel(&ni_esc, &esc_list, &ap_sect, ap_to_target, 2,
105 P_ESC | P_F, P_M | P_O);
107 * now arm and equip the bombers, transports, whatever.
109 pln_arm(&bomb_list, 2 * ap_to_target,
110 wantflags & P_MINE ? 'm' : 'd',
112 if (QEMPTY(&bomb_list)) {
113 pr("No planes could be equipped for the mission.\n");
116 pln_arm(&esc_list, 2 * ap_to_target, 'e', NULL);
117 ac_encounter(&bomb_list, &esc_list, ax, ay, flightpath, 0);
118 if (QEMPTY(&bomb_list)) {
119 pr("No planes got through fighter defenses\n");
121 if (wantflags & P_MINE)
122 pln_mine(&bomb_list, tx, ty);
124 pln_dropoff(&bomb_list, ip, tx, ty, -1);