2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2004, 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 the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
23 * related information and legal notices. It is expected that any future
24 * projects/authors will amend these files as needed.
28 * drop.c: Air-drop commodities
30 * Known contributors to this file:
59 s_char flightpath[MAX_PATH_LEN];
60 struct nstr_item ni_bomb;
61 struct nstr_item ni_esc;
64 struct emp_qelem bomb_list;
65 struct emp_qelem esc_list;
67 struct sctstr ap_sect;
71 if (!snxtitem(&ni_bomb, EF_PLANE, player->argp[1]))
73 if (!snxtitem(&ni_esc, EF_PLANE,
74 getstarg(player->argp[2], "escort(s)? ", buf)))
75 pr("No escorts...\n");
76 if ((p = getstarg(player->argp[3], "assembly point? ", buf)) == 0
79 if (!sarg_xy(p, &x, &y) || !getsect(x, y, &ap_sect))
81 if (ap_sect.sct_own && ap_sect.sct_own != player->cnum &&
82 getrel(getnatp(ap_sect.sct_own), player->cnum) != ALLIED) {
83 pr("Assembly point not owned by you or an ally!\n");
88 if (getpath(flightpath, player->argp[4], ax, ay, 0, 0, 0, P_FLYING) == 0
93 (void)pathtoxy(flightpath, &tx, &ty, fcost);
94 pr("target is %s\n", xyas(tx, ty, player->cnum));
95 if ((ip = whatitem(player->argp[5], "Drop off what? ")) == 0)
97 getsect(tx, ty, &target);
99 if (target.sct_own == player->cnum
100 || getrel(getnatp(target.sct_own), player->cnum) == ALLIED) {
101 if (ip->i_vtype == I_CIVIL && target.sct_own != target.sct_oldown) {
102 pr("Can't drop civilians into occupied sectors.\n");
106 /* into the unknown... */
107 if (ip->i_vtype != I_SHELL) {
108 pr("You don't own %s!\n", xyas(tx, ty, player->cnum));
114 ap_to_target = strlen(flightpath);
115 if (*(flightpath + strlen(flightpath) - 1) == 'h')
117 pr("range to target is %d\n", ap_to_target);
119 * select planes within range
122 pln_sel(&ni_bomb, &bomb_list, &ap_sect, ap_to_target,
123 2, wantflags, P_M | P_O);
124 if (QEMPTY(&bomb_list)) {
125 pr("No planes could be equipped for the mission.\n");
128 pln_sel(&ni_esc, &esc_list, &ap_sect, ap_to_target,
129 2, P_ESC | P_F, P_M | P_O);
131 * now arm and equip the bombers, transports, whatever.
133 mission_flags |= P_X; /* stealth (shhh) */
134 mission_flags |= P_H; /* gets turned off if not all choppers */
135 mission_flags |= P_MINE;
136 mission_flags = pln_arm(&bomb_list, 2 * ap_to_target, 'd',
137 ip, 0, mission_flags);
138 if (QEMPTY(&bomb_list)) {
139 pr("No planes could be equipped for the mission.\n");
142 mission_flags = pln_arm(&esc_list, 2 * ap_to_target, 'd',
143 ip, P_ESC | P_F, mission_flags);
144 ac_encounter(&bomb_list, &esc_list, ax, ay, flightpath, mission_flags,
146 if (QEMPTY(&bomb_list)) {
147 pr("No planes got through fighter defenses\n");
149 getsect(tx, ty, &target);
150 if (target.sct_type == SCT_WATER && (mission_flags & P_MINE)
151 && ip->i_vtype == I_SHELL)
152 pln_mine(&bomb_list, &target);
154 pln_dropoff(&bomb_list, ip, tx, ty, (s_char *)&target, EF_SECTOR);