Markus Armbruster
3d2518a724
There are several files with land unit subroutines. This one is in an awkward place: it depends on stuff from ../subs, which contributes to libcommon.a's ugly dependencies. Move its contents to logical places (use internal linkage where possible), and remove it.
324 lines
7.2 KiB
C
324 lines
7.2 KiB
C
/*
|
|
* Empire - A multi-player, client/server Internet based war game.
|
|
* Copyright (C) 1986-2008, 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 <ctype.h>
|
|
#include "file.h"
|
|
#include "land.h"
|
|
#include "misc.h"
|
|
#include "nat.h"
|
|
#include "nsc.h"
|
|
#include "path.h"
|
|
#include "plane.h"
|
|
#include "player.h"
|
|
#include "prototypes.h"
|
|
#include "sect.h"
|
|
#include "ship.h"
|
|
#include "xy.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, natid own)
|
|
{
|
|
int first;
|
|
int ships;
|
|
struct nstr_item ni;
|
|
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 ((carrier_planes(&ship, 0) & (P_L | P_K)) == 0)
|
|
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;
|
|
}
|
|
|
|
int
|
|
adj_units(coord x, coord y, natid own)
|
|
{
|
|
int i;
|
|
struct sctstr sect;
|
|
|
|
for (i = DIR_FIRST; i <= DIR_LAST; i++) {
|
|
getsect(x + diroff[i][0], y + diroff[i][1], §);
|
|
if (has_units(sect.sct_x, sect.sct_y, own, 0))
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
has_units(coord x, coord y, natid cn, struct lndstr *lp)
|
|
{
|
|
int n;
|
|
struct lndstr land;
|
|
|
|
for (n = 0; ef_read(EF_LAND, n, &land); n++) {
|
|
if (land.lnd_x != x || land.lnd_y != y)
|
|
continue;
|
|
if (lp) {
|
|
/* Check this unit. If it is this one, we don't want
|
|
it included in the count. */
|
|
if (lp->lnd_uid == land.lnd_uid)
|
|
continue;
|
|
}
|
|
if (land.lnd_own == cn)
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* is p a list of ships/planes/units?
|
|
*/
|
|
|
|
int
|
|
islist(char *p)
|
|
{
|
|
for (; *p; p++) {
|
|
if (!isdigit(*p) && *p != '/')
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|