empserver/src/lib/subs/list.c

295 lines
6.7 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.
*
* ---
*
* list.c: List ships, planes, units at a given x,y
*
* Known contributors to this file:
* Dave Pare, 1986
*/
#include <config.h>
#include "misc.h"
#include "player.h"
#include "ship.h"
#include "land.h"
#include "plane.h"
#include "nat.h"
#include "xy.h"
#include "nsc.h"
#include "file.h"
#include "prototypes.h"
int
shipsatxy(coord x, coord y, int wantflags, int nowantflags)
{
int first;
int ships;
struct nstr_item ni;
struct mchrstr *mp;
struct shpstr ship;
first = 1;
ships = 0;
snxtitem_xy(&ni, EF_SHIP, x, y);
while (nxtitem(&ni, &ship)) {
if (player->owner)
continue;
if (ship.shp_effic < SHIP_MINEFF || ship.shp_own == 0)
continue;
mp = &mchr[(int)ship.shp_type];
if (wantflags) {
if ((mp->m_flags & wantflags) == 0)
continue;
}
if (nowantflags) {
if (mp->m_flags & nowantflags)
continue;
}
if (first) {
pr(" # owner eff type\n");
first = 0;
}
pr("(#%3d) %10.10s %12.12s %s\n", ni.cur,
cname(ship.shp_own), effadv(ship.shp_effic), prship(&ship));
ships++;
}
return ships;
}
/* This one only shows owned or allied ships */
int
carriersatxy(coord x, coord y, int wantflags, int nowantflags, natid own)
{
int first;
int ships;
struct nstr_item ni;
struct mchrstr *mp;
struct shpstr ship;
first = 1;
ships = 0;
snxtitem_xy(&ni, EF_SHIP, x, y);
while (nxtitem(&ni, &ship)) {
if (ship.shp_effic < SHIP_MINEFF || ship.shp_own == 0)
continue;
if (ship.shp_own != own
&& getrel(getnatp(ship.shp_own), own) != ALLIED)
continue;
if (ship.shp_effic < SHP_AIROPS_EFF)
continue;
mp = &mchr[(int)ship.shp_type];
if (wantflags) {
if ((mp->m_flags & wantflags) == 0)
continue;
}
if (nowantflags) {
if (mp->m_flags & nowantflags)
continue;
}
if (first) {
pr(" # owner eff type\n");
first = 0;
}
pr("(#%3d) %10.10s %12.12s %s\n", ni.cur,
cname(ship.shp_own), effadv(ship.shp_effic), prship(&ship));
ships++;
}
return ships;
}
int
unitsatxy(coord x, coord y, int wantflags, int nowantflags)
{
int first;
int units;
struct nstr_item ni;
struct lchrstr *lp;
struct lndstr land;
first = 1;
units = 0;
snxtitem_xy(&ni, EF_LAND, x, y);
while (nxtitem(&ni, &land)) {
if (land.lnd_effic < LAND_MINEFF || land.lnd_own == 0)
continue;
/* Can't bomb units on ships or other units */
if (land.lnd_ship >= 0 || land.lnd_land >= 0)
continue;
lp = &lchr[(int)land.lnd_type];
if (wantflags) {
if ((lp->l_flags & wantflags) == 0)
continue;
}
if (nowantflags) {
if (lp->l_flags & nowantflags)
continue;
}
if (lp->l_flags & L_SPY) {
if (!(chance(LND_SPY_DETECT_CHANCE(land.lnd_effic))))
continue;
}
if (first) {
pr(" # owner eff type\n");
first = 0;
}
pr("(#%3d) %10.10s %12.12s %s\n", ni.cur,
cname(land.lnd_own), effadv(land.lnd_effic), prland(&land));
units++;
}
return units;
}
int
planesatxy(coord x, coord y, int wantflags, int nowantflags,
struct emp_qelem *list)
{
int first;
int planes;
struct plnstr plane;
struct nstr_item ni;
struct plchrstr *plp;
planes = 0;
first = 1;
snxtitem_xy(&ni, EF_PLANE, x, y);
while (nxtitem(&ni, &plane)) {
if (plane.pln_effic < PLANE_MINEFF || plane.pln_own == 0)
continue;
if (plane.pln_flags & PLN_LAUNCHED)
continue;
/* Is this plane one of the ones flying somewhere? */
if (ac_isflying(&plane, list))
continue;
plp = &plchr[(int)plane.pln_type];
if (first) {
pr(" # owner eff type\n");
first = 0;
}
if (wantflags) {
if ((plp->pl_flags & wantflags) == 0)
continue;
}
if (nowantflags) {
if (plp->pl_flags & nowantflags)
continue;
}
pr("(#%3d) %10.10s %12.12s %s\n", ni.cur,
cname(plane.pln_own), effadv(plane.pln_effic), prplane(&plane));
planes++;
}
return planes;
}
int
asw_shipsatxy(coord x, coord y, int wantflags, int nowantflags,
struct plnstr *pp, struct shiplist **head)
{
int first;
int ships;
struct nstr_item ni;
struct mchrstr *mp;
struct shpstr ship;
first = 1;
ships = 0;
snxtitem_xy(&ni, EF_SHIP, x, y);
while (nxtitem(&ni, &ship)) {
if (player->owner)
continue;
if (ship.shp_effic < SHIP_MINEFF || ship.shp_own == 0)
continue;
mp = &mchr[(int)ship.shp_type];
if (wantflags) {
if ((mp->m_flags & wantflags) == 0)
continue;
}
if (nowantflags) {
if (mp->m_flags & nowantflags)
continue;
}
if (mp->m_flags & M_SUB) {
if (roll(100) > pln_hitchance(pp,
shp_hardtarget(&ship), EF_SHIP))
continue;
}
add_shiplist(ship.shp_uid, head);
if (first) {
pr(" # owner eff type\n");
first = 0;
}
pr("(#%3d) %10.10s %12.12s %s\n", ni.cur,
cname(ship.shp_own), effadv(ship.shp_effic), prship(&ship));
ships++;
}
return ships;
}
int
num_shipsatxy(coord x, coord y, int wantflags, int nowantflags)
{
int ships;
struct nstr_item ni;
struct mchrstr *mp;
struct shpstr ship;
ships = 0;
snxtitem_xy(&ni, EF_SHIP, x, y);
while (nxtitem(&ni, &ship)) {
if (ship.shp_effic < SHIP_MINEFF || ship.shp_own == 0)
continue;
mp = &mchr[(int)ship.shp_type];
if (wantflags) {
if ((mp->m_flags & wantflags) == 0)
continue;
}
if (nowantflags) {
if (mp->m_flags & nowantflags)
continue;
}
ships++;
}
return ships;
}
/*
* is p a list of ships/planes/units?
*/
int
islist(char *p)
{
for (; *p; p++) {
if (!isdigit(*p) && *p != '/')
return 0;
}
return 1;
}