2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2013, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure, Markus Armbruster
6 * Empire is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 * See files README, COPYING and CREDITS in the root of the source
22 * tree for related information and legal notices. It is expected
23 * that future projects/authors will amend these files as needed.
27 * list.c: List ships, planes, units at a given x,y
29 * Known contributors to this file:
44 #include "prototypes.h"
50 shipsatxy(coord x, coord y, int wantflags, int nowantflags, int only_count)
60 snxtitem_xy(&ni, EF_SHIP, x, y);
61 while (nxtitem(&ni, &ship)) {
64 if (ship.shp_effic < SHIP_MINEFF || ship.shp_own == 0)
66 mp = &mchr[(int)ship.shp_type];
68 if ((mp->m_flags & wantflags) == 0)
72 if (mp->m_flags & nowantflags)
77 pr(" # owner eff type\n");
80 pr("(#%3d) %10.10s %12.12s %s\n", ni.cur,
81 cname(ship.shp_own), effadv(ship.shp_effic), prship(&ship));
88 /* This one only shows owned or allied ships */
91 carriersatxy(coord x, coord y, natid own)
100 snxtitem_xy(&ni, EF_SHIP, x, y);
101 while (nxtitem(&ni, &ship)) {
102 if (ship.shp_effic < SHIP_MINEFF || ship.shp_own == 0)
104 if (relations_with(ship.shp_own, own) != ALLIED)
106 if ((carrier_planes(&ship, 0) & (P_L | P_K)) == 0)
109 pr(" # owner eff type\n");
112 pr("(#%3d) %10.10s %12.12s %s\n", ni.cur,
113 cname(ship.shp_own), effadv(ship.shp_effic), prship(&ship));
120 unitsatxy(coord x, coord y, int wantflags, int nowantflags)
130 snxtitem_xy(&ni, EF_LAND, x, y);
131 while (nxtitem(&ni, &land)) {
132 if (land.lnd_effic < LAND_MINEFF || land.lnd_own == 0)
134 /* Can't bomb units on ships or other units */
135 if (land.lnd_ship >= 0 || land.lnd_land >= 0)
137 lp = &lchr[(int)land.lnd_type];
140 if ((lp->l_flags & wantflags) == 0)
144 if (lp->l_flags & nowantflags)
148 if (lp->l_flags & L_SPY) {
149 if (!(chance(LND_SPY_DETECT_CHANCE(land.lnd_effic))))
154 pr(" # owner eff type\n");
157 pr("(#%3d) %10.10s %12.12s %s\n", ni.cur,
158 cname(land.lnd_own), effadv(land.lnd_effic), prland(&land));
165 planesatxy(coord x, coord y, int wantflags, int nowantflags)
171 struct plchrstr *plp;
175 snxtitem_xy(&ni, EF_PLANE, x, y);
176 while (nxtitem(&ni, &plane)) {
177 if (plane.pln_effic < PLANE_MINEFF || plane.pln_own == 0)
179 if (plane.pln_ship >= 0 || plane.pln_land >= 0)
181 if (plane.pln_flags & PLN_LAUNCHED)
183 plp = &plchr[(int)plane.pln_type];
185 pr(" # owner eff type\n");
189 if ((plp->pl_flags & wantflags) == 0)
193 if (plp->pl_flags & nowantflags)
196 pr("(#%3d) %10.10s %12.12s %s\n", ni.cur,
197 cname(plane.pln_own), effadv(plane.pln_effic), prplane(&plane));
204 asw_shipsatxy(coord x, coord y, int wantflags, int nowantflags,
205 struct plnstr *pp, struct shiplist **head)
215 snxtitem_xy(&ni, EF_SHIP, x, y);
216 while (nxtitem(&ni, &ship)) {
219 if (ship.shp_effic < SHIP_MINEFF || ship.shp_own == 0)
221 mp = &mchr[(int)ship.shp_type];
223 if ((mp->m_flags & wantflags) == 0)
227 if (mp->m_flags & nowantflags)
230 if (mp->m_flags & M_SUB) {
231 if (roll(100) > pln_hitchance(pp,
232 shp_hardtarget(&ship), EF_SHIP))
235 add_shiplist(ship.shp_uid, head);
237 pr(" # owner eff type\n");
240 pr("(#%3d) %10.10s %12.12s %s\n", ni.cur,
241 cname(ship.shp_own), effadv(ship.shp_effic), prship(&ship));
248 adj_units(coord x, coord y, natid own)
253 for (i = DIR_FIRST; i <= DIR_LAST; i++) {
254 getsect(x + diroff[i][0], y + diroff[i][1], §);
255 if (has_units(sect.sct_x, sect.sct_y, own, NULL))
262 has_units(coord x, coord y, natid cn, struct lndstr *lp)
267 for (n = 0; ef_read(EF_LAND, n, &land); n++) {
268 if (land.lnd_x != x || land.lnd_y != y)
271 /* Check this unit. If it is this one, we don't want
272 it included in the count. */
273 if (lp->lnd_uid == land.lnd_uid)
276 if (land.lnd_own == cn)
284 * is p a list of ships/planes/units?
291 if (!isdigit(*p) && *p != '/')