112 lines
3 KiB
C
112 lines
3 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2009, 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 files README, COPYING and CREDITS in the root of the source
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* tree for related information and legal notices. It is expected
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* that future projects/authors will amend these files as needed.
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*
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* ---
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*
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* rout.c: Show empire deliver routes
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*
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* Known contributors to this file:
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*
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*/
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#include <config.h>
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#include "commands.h"
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#include "item.h"
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#include "map.h"
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#include "optlist.h"
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#include "path.h"
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int
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rout(void)
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{
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struct ichrstr *ip;
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struct nstr_sect ns;
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struct natstr *natp;
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struct sctstr sect;
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struct nscstr cond[NS_NCOND];
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int ncond;
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struct range relrange;
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int row;
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int y;
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int ry;
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i_type i_del;
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int dir;
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char *p;
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/* Note this is not re-entrant anyway, so we keep the buffers
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around */
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static char *mapbuf = NULL;
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static char **map = NULL;
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int i;
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if (!(ip = whatitem(player->argp[1], "What item? ")))
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return RET_SYN;
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i_del = ip->i_uid;;
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if (!snxtsct(&ns, player->argp[2]))
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return RET_SYN;
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if (!mapbuf)
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mapbuf = malloc(WORLD_Y * MAPWIDTH(3));
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if (!map) {
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map = malloc(WORLD_Y * sizeof(char *));
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if (map && mapbuf) {
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for (i = 0; i < WORLD_Y; i++)
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map[i] = &mapbuf[MAPWIDTH(3) * i];
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} else if (map) {
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free(map);
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map = NULL;
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}
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}
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if (!mapbuf || !map) {
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pr("Memory error, tell the deity.\n");
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logerror("malloc failed in rout\n");
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return RET_FAIL;
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}
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ncond = ns.ncond;
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memcpy(cond, ns.cond, sizeof(struct nscstr) * ncond);
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ns.ncond = 0;
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natp = getnatp(player->cnum);
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xyrelrange(natp, &ns.range, &relrange);
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blankfill(mapbuf, &ns.range, 3);
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border(&relrange, " ", " ");
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while (nxtsct(&ns, §)) {
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if (!player->owner)
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continue;
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p = &map[ns.dy][ns.dx * 2];
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dir = sect.sct_del[i_del] & 0x7;
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if (dir && nstr_exec(cond, ncond, §))
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memcpy(p, routech[dir], 3);
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p[1] = dchr[sect.sct_type].d_mnem;
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}
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for (row = 0, y = ns.range.ly; row < ns.range.height; y++, row++) {
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ry = yrel(natp, y);
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pr("%4d %s %-4d\n", ry, map[row], ry);
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if (y >= WORLD_Y)
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y -= WORLD_Y;
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}
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border(&relrange, " ", " ");
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return RET_OK;
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}
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