Import of Empire 4.2.12
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src/lib/commands/marc.c
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src/lib/commands/marc.c
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/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
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* Ken Stevens, Steve McClure
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* ---
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*
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* See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
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* related information and legal notices. It is expected that any future
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* projects/authors will amend these files as needed.
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*
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* ---
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*
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* marc.c: March units around
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*
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* Known contributors to this file:
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* Thomas Ruschak
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* Ken Stevens, 1995 (rewrite)
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*/
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#include <ctype.h>
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#include "misc.h"
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#include "player.h"
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#include "var.h"
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#include "land.h"
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#include "sect.h"
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#include "news.h"
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#include "xy.h"
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#include "nsc.h"
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#include "nat.h"
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#include "path.h"
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#include "deity.h"
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#include "file.h"
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#include "map.h"
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#include "commands.h"
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static int set_leader(struct emp_qelem *list, struct lndstr **leaderp);
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int
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march(void)
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{
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struct nstr_item ni_land;
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struct emp_qelem land_list;
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double minmob, maxmob;
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int together;
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s_char *cp = 0;
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struct lndstr *lnd = 0; /* leader */
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struct nstr_sect ns;
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s_char origin;
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int dir;
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int stopping = 0;
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int skip = 0;
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s_char buf[1024];
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s_char prompt[128];
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if (!snxtitem(&ni_land, EF_LAND, player->argp[1]))
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return RET_SYN;
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lnd_sel(&ni_land, &land_list);
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lnd_mar(&land_list, &minmob, &maxmob, &together, player->cnum);
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if (QEMPTY(&land_list)) {
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pr("No lands\n");
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return RET_FAIL;
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}
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set_leader(&land_list, &lnd);
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if (player->argp[2]) {
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strcpy(buf, player->argp[2]);
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if (!(cp = lnd_path(together, lnd, buf)))
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cp = player->argp[2];
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}
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while (!QEMPTY(&land_list)) {
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s_char *bp,dp[80];
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if (cp == 0 || *cp == '\0' || stopping) {
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stopping = 0;
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lnd_mar(&land_list, &minmob, &maxmob, &together, player->cnum);
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if (QEMPTY(&land_list)) {
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pr("No lands left\n");
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return RET_OK;
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}
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if (set_leader(&land_list, &lnd)) {
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stopping = 1;
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continue;
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}
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if (!skip)
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nav_map(lnd->lnd_x, lnd->lnd_y, 1);
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else
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skip=0;
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sprintf(prompt, "<%.1f:%.1f: %s> ", maxmob,
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minmob, xyas(lnd->lnd_x, lnd->lnd_y, player->cnum));
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cp = getstring(prompt, buf);
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/* Just in case any of our lands were shelled while we were at the
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* prompt, we call lnd_mar() again.
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*/
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lnd_mar(&land_list, &minmob, &maxmob, &together, player->cnum);
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if (QEMPTY(&land_list)) {
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pr("No lands left\n");
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return RET_OK;
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}
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if (set_leader(&land_list, &lnd)) {
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stopping = 1;
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continue;
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}
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}
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if (cp == 0 || *cp == '\0')
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cp = &dirch[DIR_STOP];
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if (*cp == 'M' ||
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*cp == 'B' ||
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*cp == 'f' ||
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*cp == 'i' ||
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*cp == 'm') {
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++cp;
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if (cp[-1] == 'M') {
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unit_map(EF_LAND, lnd->lnd_uid, &ns, &origin);
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draw_map(0, origin, 0, &ns, player->cnum);
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skip = 1;
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} else if (cp[-1] == 'B') {
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unit_map(EF_LAND, lnd->lnd_uid, &ns, &origin);
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draw_map(EF_BMAP, origin, 0, &ns, player->cnum);
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skip = 1;
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} else if (cp[-1] == 'f') {
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struct emp_qelem *qp;
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qp = land_list.q_back;
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emp_remque(land_list.q_back);
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emp_insque(qp, &land_list);
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set_leader(&land_list, &lnd);
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} else if (cp[-1] == 'i') {
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lnd_list(&land_list);
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} else {
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lnd_sweep(&land_list, 1, 1, player->cnum);
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stopping |= lnd_check_mines(&land_list);
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}
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continue;
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} else if (*cp == 'r' ||
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*cp == 'l') {
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bp=++cp;
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while((*bp != ' ') && (*bp)) bp++;
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while((*bp == ' ') && (*bp)) bp++;
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if ((bp != (s_char *)0) && (*bp))
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player->argp[1] = bp;
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else {
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sprintf(dp,"%d",lnd->lnd_uid);
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player->argp[1] = dp;
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}
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if (cp[-1] == 'r') {
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player->argp[0] = "lradar";
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rada();
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skip = 1;
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} else
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llook();
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*cp = 0;
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player->btused++;
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continue;
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} else {
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dir = chkdir(*cp++, DIR_STOP, DIR_LAST);
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if (dir == -1) {
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if (NULL != (cp = lnd_path(together, lnd, buf)))
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continue;
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direrr("`%c' to stop", 0 , 0);
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pr(", `i' to list units, `f' to change leader,\n");
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pr("`r' to radar, `l' to look, `M' to map, `B' to bmap,\n");
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pr("and `m' to minesweep\n");
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stopping = 1;
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continue;
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}
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}
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stopping |= lnd_mar_one_sector(&land_list, dir, player->cnum, together);
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}
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return RET_OK;
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}
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static int
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set_leader(struct emp_qelem *list, struct lndstr **leaderp)
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{
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struct llist *llp = (struct llist *)(list->q_back);
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if (!*leaderp)
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pr("Leader is ");
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else if ((*leaderp)->lnd_uid != llp->land.lnd_uid)
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pr("Changing leader to ");
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else
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return 0;
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*leaderp = &llp->land;
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pr("%s\n", prland(&llp->land));
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return 1;
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}
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