2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2006, 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 * marc.c: March units around
30 * Known contributors to this file:
32 * Ken Stevens, 1995 (rewrite)
45 static int set_leader(struct emp_qelem *list, struct lndstr **leaderp);
46 static void switch_leader(struct emp_qelem *list, int land_uid);
51 struct nstr_item ni_land;
52 struct emp_qelem land_list;
53 double minmob, maxmob;
56 struct lndstr *lnd = NULL; /* leader */
66 if (!snxtitem(&ni_land, EF_LAND, player->argp[1]))
68 lnd_sel(&ni_land, &land_list);
69 lnd_mar(&land_list, &minmob, &maxmob, &together, player->cnum);
70 if (QEMPTY(&land_list)) {
74 set_leader(&land_list, &lnd);
75 if (player->argp[2]) {
76 strcpy(buf, player->argp[2]);
77 if (!(cp = lnd_path(together, lnd, buf)))
81 while (!QEMPTY(&land_list)) {
84 if (cp == NULL || *cp == '\0' || stopping) {
86 lnd_mar(&land_list, &minmob, &maxmob, &together, player->cnum);
87 if (QEMPTY(&land_list)) {
88 pr("No lands left\n");
91 if (set_leader(&land_list, &lnd)) {
96 nav_map(lnd->lnd_x, lnd->lnd_y, 1);
99 sprintf(prompt, "<%.1f:%.1f: %s> ", maxmob,
100 minmob, xyas(lnd->lnd_x, lnd->lnd_y, player->cnum));
101 cp = getstring(prompt, buf);
102 /* Just in case any of our lands were shelled while we were at the
103 * prompt, we call lnd_mar() again.
105 lnd_mar(&land_list, &minmob, &maxmob, &together, player->cnum);
106 if (QEMPTY(&land_list)) {
107 pr("No lands left\n");
110 if (set_leader(&land_list, &lnd)) {
114 if (cp && !(cp = lnd_path(together, lnd, buf)))
117 if (cp == NULL || *cp == '\0')
118 cp = &dirch[DIR_STOP];
119 dir = chkdir(*cp, DIR_STOP, DIR_LAST);
122 lnd_mar_one_sector(&land_list, dir, player->cnum, together);
126 ac = parse(cp, player->argp, NULL, scanspace, NULL);
128 sprintf(dp, "%d", lnd->lnd_uid);
129 player->argp[1] = dp;
134 switch (*player->argp[0]) {
141 do_map(bmap_flag, EF_LAND, player->argp[1], player->argp[2]);
146 switch_leader(&land_list, -1);
148 switch_leader(&land_list, atoi(player->argp[1]));
149 set_leader(&land_list, &lnd);
152 lnd_list(&land_list);
155 lnd_sweep(&land_list, 1, 1, player->cnum);
156 stopping |= lnd_check_mines(&land_list);
169 player->argp[2] = player->argp[1];
170 sprintf(dp, "%d", lnd->lnd_uid);
171 player->argp[1] = dp;
178 direrr("`%c' to stop", 0, 0);
179 pr(", `i' to list units, `f' to change leader,\n");
180 pr("`r' to radar, `l' to look, `M' to map, `B' to bmap,\n");
181 pr("`d' to drop mines, and `m' to minesweep\n");
189 set_leader(struct emp_qelem *list, struct lndstr **leaderp)
191 struct ulist *llp = (struct ulist *)(list->q_back);
195 else if ((*leaderp)->lnd_uid != llp->unit.land.lnd_uid)
196 pr("Changing leader to ");
199 *leaderp = &llp->unit.land;
200 pr("%s\n", prland(&llp->unit.land));
205 switch_leader(struct emp_qelem *list, int land_uid)
207 struct emp_qelem *qp, *save;
213 save = qp = list->q_back;
216 emp_insque(qp, list);
218 llp = (struct ulist *)qp;
219 if (llp->unit.land.lnd_uid == land_uid || land_uid == -1)
221 } while (list->q_back != save);