Markus Armbruster
aef27e3521
dist(), att_reacting_units() and s_commod() are only interested in cost, not the actual path. BestLandPath() and BestDistPath() compute both cost and path. Use path_find() directly instead. Destinations are no longer treated as unreachable when the best path is longer than 1023 characters.
125 lines
3.7 KiB
C
125 lines
3.7 KiB
C
/*
|
|
* Empire - A multi-player, client/server Internet based war game.
|
|
* Copyright (C) 1986-2011, Dave Pare, Jeff Bailey, Thomas Ruschak,
|
|
* Ken Stevens, Steve McClure, Markus Armbruster
|
|
*
|
|
* Empire 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 3 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, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* ---
|
|
*
|
|
* 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.
|
|
*
|
|
* ---
|
|
*
|
|
* dist.c: Name distribution sector for a given range of sectors
|
|
*
|
|
* Known contributors to this file:
|
|
* Dave Pare, 1986
|
|
* Thomas Ruschak, 1993 (rewritten)
|
|
* Steve McClure, 1998
|
|
* Markus Armbruster, 2008-2011
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#include "commands.h"
|
|
#include "path.h"
|
|
|
|
/*
|
|
* distribute <SECT> <DISTSECT|.|h>
|
|
*/
|
|
int
|
|
dist(void)
|
|
{
|
|
struct sctstr sect, dsect, tsect;
|
|
struct nstr_sect nstr;
|
|
char *p;
|
|
double move_cost;
|
|
coord dstx, dsty;
|
|
char buf[1024];
|
|
|
|
if (!snxtsct(&nstr, player->argp[1]))
|
|
return RET_SYN;
|
|
while (nxtsct(&nstr, §)) {
|
|
if (!player->owner)
|
|
continue;
|
|
pr("%s at %s ", dchr[sect.sct_type].d_name,
|
|
xyas(nstr.x, nstr.y, player->cnum));
|
|
if ((sect.sct_dist_x != sect.sct_x) ||
|
|
(sect.sct_dist_y != sect.sct_y)) {
|
|
getsect(sect.sct_dist_x, sect.sct_dist_y, &tsect);
|
|
if (tsect.sct_own != player->cnum)
|
|
pr("distributes to %s, not owned by you.\n",
|
|
xyas(tsect.sct_x, tsect.sct_y, player->cnum));
|
|
else
|
|
pr("distributes to %s. \n",
|
|
xyas(tsect.sct_x, tsect.sct_y, player->cnum));
|
|
} else
|
|
pr("has no dist sector. \n");
|
|
p = getstarg(player->argp[2], "Distribution sector? ", buf);
|
|
if (!p)
|
|
return RET_SYN;
|
|
if (!*p)
|
|
continue;
|
|
if (!check_sect_ok(§))
|
|
continue;
|
|
|
|
if (*p == '.' || *p == 'h') {
|
|
dstx = sect.sct_x;
|
|
dsty = sect.sct_y;
|
|
} else if (!sarg_xy(p, &dstx, &dsty))
|
|
return RET_SYN;
|
|
if (!getsect(dstx, dsty, &dsect)) {
|
|
pr("Bad sector.\n");
|
|
return RET_FAIL;
|
|
}
|
|
|
|
if (dsect.sct_own != player->cnum)
|
|
pr("Warning: you don't own %s!\n",
|
|
xyas(dsect.sct_x, dsect.sct_y, player->cnum));
|
|
|
|
move_cost = path_find(sect.sct_x, sect.sct_y, dstx, dsty,
|
|
player->cnum, MOB_MOVE);
|
|
if (move_cost < 0) {
|
|
pr("No owned path from %s to %s.\n",
|
|
xyas(dsect.sct_x, dsect.sct_y, player->cnum),
|
|
xyas(sect.sct_x, sect.sct_y, player->cnum));
|
|
continue;
|
|
}
|
|
|
|
if ((dsect.sct_x == sect.sct_x) && (dsect.sct_y == sect.sct_y)) {
|
|
pr("Distribution from and to %s %s terminated\n",
|
|
dchr[sect.sct_type].d_name,
|
|
xyas(sect.sct_x, sect.sct_y, player->cnum));
|
|
} else {
|
|
pr("%s %s now distributes to %s (cost %1.3f)\n",
|
|
dchr[sect.sct_type].d_name,
|
|
xyas(sect.sct_x, sect.sct_y, player->cnum),
|
|
xyas(dsect.sct_x, dsect.sct_y, player->cnum), move_cost);
|
|
}
|
|
pr("\n");
|
|
/* Only change and write out if we are really changing where it
|
|
distributes to. Otherwise, it's a waste of time (since nothing
|
|
changed.) */
|
|
if ((sect.sct_dist_x != dsect.sct_x) ||
|
|
(sect.sct_dist_y != dsect.sct_y)) {
|
|
sect.sct_dist_x = dsect.sct_x;
|
|
sect.sct_dist_y = dsect.sct_y;
|
|
putsect(§);
|
|
}
|
|
}
|
|
return RET_OK;
|
|
}
|