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 * drop.c: Air-drop commodities
30 * Known contributors to this file:
32 * Markus Armbruster, 2004-2009
50 char flightpath[MAX_PATH_LEN];
51 struct nstr_item ni_bomb;
52 struct nstr_item ni_esc;
54 struct emp_qelem bomb_list;
55 struct emp_qelem esc_list;
57 struct sctstr ap_sect;
60 if (get_planes(&ni_bomb, &ni_esc, player->argp[1], player->argp[2]) < 0)
62 if (!get_assembly_point(player->argp[3], &ap_sect, buf))
66 if (!getpath(flightpath, player->argp[4], ax, ay, 0, 0, P_FLYING)
71 (void)pathtoxy(flightpath, &tx, &ty, fcost);
72 pr("target is %s\n", xyas(tx, ty, player->cnum));
73 if (!(ip = whatitem(player->argp[5], "Drop off what? ")))
75 getsect(tx, ty, &target);
77 if (target.sct_own == player->cnum
78 || getrel(getnatp(target.sct_own), player->cnum) == ALLIED) {
79 /* own or allied sector: cargo drop */
80 if (ip->i_uid == I_CIVIL && target.sct_own != target.sct_oldown) {
81 pr("Can't drop civilians into occupied sectors.\n");
86 /* into the unknown... */
87 if (ip->i_uid != I_SHELL) {
88 pr("You don't own %s!\n", xyas(tx, ty, player->cnum));
95 ap_to_target = strlen(flightpath);
96 if (flightpath[ap_to_target - 1] == 'h')
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);