empserver/src/lib/commands/rout.c
2006-02-20 05:35:58 +00:00

142 lines
3.9 KiB
C

/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2006, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---
*
* See files README, COPYING and CREDITS in the root of the source
* tree for related information and legal notices. It is expected
* that future projects/authors will amend these files as needed.
*
* ---
*
* rout.c: Show empire deliver routes
*
* Known contributors to this file:
*
*/
#include <config.h>
#include "misc.h"
#include "player.h"
#include "xy.h"
#include "nat.h"
#include "nsc.h"
#include "sect.h"
#include "item.h"
#include "path.h"
#include "file.h"
#include "map.h"
#include "commands.h"
#include "optlist.h"
int
rout(void)
{
struct ichrstr *ip;
struct nstr_sect ns;
struct natstr *natp;
struct sctstr sect;
struct nscstr cond[NS_NCOND];
int ncond;
struct range relrange;
int row;
int y;
int ry;
i_type i_del;
int dir;
s_char *p;
s_char what[64];
s_char *str;
s_char buf1[1024];
/* Note this is not re-entrant anyway, so we keep the buffers
around */
static s_char *mapbuf = (s_char *)0;
static s_char **map = (s_char **)0;
static s_char *buf = (s_char *)0;
int i;
if ((ip = whatitem(player->argp[1], "What item? ")) == 0)
return RET_SYN;
i_del = ip->i_uid;;
if (player->argp[2] == NULL) {
if ((str = getstring("(sects)? ", buf1)) == 0)
return RET_SYN;
} else {
str = player->argp[2];
}
if (*str == '*') {
sprintf(what, "%d:%d,%d:%d",
-WORLD_X / 2, WORLD_X / 2 - 1,
-WORLD_Y / 2, WORLD_Y / 2 - 1);
if (!snxtsct(&ns, what))
return RET_FAIL;
} else if (!snxtsct(&ns, str))
return RET_FAIL;
if (!mapbuf)
mapbuf = malloc((WORLD_Y * MAPWIDTH(3)) * sizeof(s_char));
if (!map) {
map = malloc(WORLD_Y * sizeof(s_char *));
if (map && mapbuf) {
for (i = 0; i < WORLD_Y; i++)
map[i] = &mapbuf[MAPWIDTH(3) * i];
} else if (map) {
free(map);
map = (s_char **)0;
}
}
if (!buf)
buf = malloc((MAPWIDTH(3) + 12) * sizeof(s_char));
if (!mapbuf || !map || !buf) {
pr("Memory error, tell the deity.\n");
logerror("malloc failed in rout\n");
return RET_FAIL;
}
ncond = ns.ncond;
memcpy(cond, ns.cond, sizeof(struct nscstr) * ncond);
ns.ncond = 0;
natp = getnatp(player->cnum);
xyrelrange(natp, &ns.range, &relrange);
memset(mapbuf, 0, ((WORLD_Y * MAPWIDTH(3))));
blankfill((s_char *)mapbuf, &ns.range, 3);
border(&relrange, " ", " ");
while (nxtsct(&ns, &sect)) {
if (!player->owner)
continue;
p = &map[ns.dy][ns.dx * 2];
if ((dir = sect.sct_del[i_del] & 0x7) &&
nstr_exec(cond, ncond, &sect))
memcpy(p, routech[dir][0], 3);
p[1] = dchr[sect.sct_type].d_mnem;
}
for (row = 0, y = ns.range.ly; row < ns.range.height; y++, row++) {
ry = yrel(natp, y);
memset(buf, 0, (MAPWIDTH(3) + 10));
sprintf(buf, "%4d ", ry);
memcpy(buf + 5, map[row], ns.range.width * 2 + 1);
sprintf(buf + 5 + ns.range.width * 2 + 1, " %-4d\n", ry);
pr("%s", buf);
if (y >= WORLD_Y)
y -= WORLD_Y;
}
border(&relrange, " ", " ");
return RET_OK;
}