2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2016, 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:
31 * Markus Armbruster, 2003-2015
46 #include "prototypes.h"
52 list_ship(struct shpstr *sp, int first)
55 pr(" # owner eff type\n");
56 pr("(#%3d) %10.10s %12.12s %s\n", sp->shp_uid,
57 cname(sp->shp_own), effadv(sp->shp_effic), prship(sp));
61 shipsatxy(coord x, coord y, int wantflags, int nowantflags, int only_count)
69 snxtitem_xy(&ni, EF_SHIP, x, y);
70 while (nxtitem(&ni, &ship)) {
73 if (ship.shp_effic < SHIP_MINEFF || ship.shp_own == 0)
75 mp = &mchr[(int)ship.shp_type];
77 if ((mp->m_flags & wantflags) == 0)
81 if (mp->m_flags & nowantflags)
85 list_ship(&ship, !ships);
91 /* This one only shows owned or allied ships */
94 carriersatxy(coord x, coord y, natid own)
101 snxtitem_xy(&ni, EF_SHIP, x, y);
102 while (nxtitem(&ni, &ship)) {
103 if (ship.shp_effic < SHIP_MINEFF || ship.shp_own == 0)
105 if (relations_with(ship.shp_own, own) != ALLIED)
107 if ((carrier_planes(&ship, 0) & (P_L | P_K)) == 0)
109 list_ship(&ship, !ships);
116 unitsatxy(coord x, coord y, int wantflags, int nowantflags, int only_count)
124 snxtitem_xy(&ni, EF_LAND, x, y);
125 while (nxtitem(&ni, &land)) {
126 if (land.lnd_effic < LAND_MINEFF || land.lnd_own == 0)
128 /* Can't bomb units on ships or other units */
129 if (land.lnd_ship >= 0 || land.lnd_land >= 0)
131 lp = &lchr[(int)land.lnd_type];
134 if ((lp->l_flags & wantflags) == 0)
138 if (lp->l_flags & nowantflags)
142 if (lp->l_flags & L_SPY) {
143 if (!(chance(LND_SPY_DETECT_CHANCE(land.lnd_effic))))
149 pr(" # owner eff type\n");
150 pr("(#%3d) %10.10s %12.12s %s\n", ni.cur,
151 cname(land.lnd_own), effadv(land.lnd_effic), prland(&land));
159 planesatxy(coord x, coord y, int wantflags, int nowantflags)
164 struct plchrstr *plp;
167 snxtitem_xy(&ni, EF_PLANE, x, y);
168 while (nxtitem(&ni, &plane)) {
169 if (plane.pln_effic < PLANE_MINEFF || plane.pln_own == 0)
171 if (plane.pln_ship >= 0 || plane.pln_land >= 0)
173 if (plane.pln_flags & PLN_LAUNCHED)
175 plp = &plchr[(int)plane.pln_type];
177 pr(" # owner eff type\n");
179 if ((plp->pl_flags & wantflags) == 0)
183 if (plp->pl_flags & nowantflags)
186 pr("(#%3d) %10.10s %12.12s %s\n", ni.cur,
187 cname(plane.pln_own), effadv(plane.pln_effic), prplane(&plane));
194 asw_shipsatxy(coord x, coord y, int wantflags, int nowantflags,
195 struct plnstr *pp, struct shiplist **head)
203 snxtitem_xy(&ni, EF_SHIP, x, y);
204 while (nxtitem(&ni, &ship)) {
207 if (ship.shp_effic < SHIP_MINEFF || ship.shp_own == 0)
209 mp = &mchr[(int)ship.shp_type];
211 if ((mp->m_flags & wantflags) == 0)
215 if (mp->m_flags & nowantflags)
218 if (mp->m_flags & M_SUB) {
219 if (!pct_chance(pln_hitchance(pp,
220 shp_hardtarget(&ship), EF_SHIP)))
223 add_shiplist(ship.shp_uid, head);
224 list_ship(&ship, !ships);
231 print_shiplist(struct shiplist *head)
236 for (s = head; s; s = s->next) {
237 getship(s->uid, &ship);
238 list_ship(&ship, s == head);
243 adj_units(coord x, coord y, natid own)
248 for (i = DIR_FIRST; i <= DIR_LAST; i++) {
249 getsect(x + diroff[i][0], y + diroff[i][1], §);
250 if (has_units(sect.sct_x, sect.sct_y, own))
257 has_units(coord x, coord y, natid cn)
262 for (n = 0; ef_read(EF_LAND, n, &land); n++) {
263 if (land.lnd_x != x || land.lnd_y != y)
265 if (land.lnd_own == cn)
273 * is p a list of ships/planes/units?
280 if (!isdigit(*p) && *p != '/')