2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2008, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure
6 * This program 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 2 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, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * See files README, COPYING and CREDITS in the root of the source
23 * tree for related information and legal notices. It is expected
24 * that future projects/authors will amend these files as needed.
28 * miss.c: set missions for ships/planes/units
30 * Known contributors to this file:
31 * Thomas Ruschak, 1992
43 static int clear_mission(struct nstr_item *);
44 static int show_mission(struct nstr_item *);
47 * mission <type> <planes/ships/units> <mission type> <op sector> [<radius>]
52 static int ef_with_missions[] = { EF_SHIP, EF_LAND, EF_PLANE, EF_BAD };
58 union empobj_storage item;
60 int num = 0, mobmax, mobused;
65 getstarg(player->argp[1], "Ship, plane or land unit (p,sh,la)? ",
68 type = ef_byname_from(p, ef_with_missions);
70 pr("Ships, land units or planes only! (s, l, p)\n");
73 if (!snxtitem(&ni, type, player->argp[2], NULL))
77 getstarg(player->argp[3],
78 "Mission (int, sup, osup, dsup, esc, res, air, query, clear)? ",
86 * 'd' support defenders
88 * 'r' defensive reserve
89 * 'a' air defense (intercepts)
94 mission = MI_INTERDICT;
98 mission = MI_OSUPPORT;
102 mission = MI_DSUPPORT;
106 mission = MI_SUPPORT;
110 return clear_mission(&ni);
117 mission = MI_RESERVE;
121 mission = MI_AIR_DEFENSE;
124 return show_mission(&ni);
126 pr("bad condition\n");
127 pr("i\tinterdiction (any)\n");
128 pr("s\tsupport (tactical planes only)\n");
129 pr("o\toffensive support (tactical planes only)\n");
130 pr("d\tdefensive support (tactical planes only)\n");
131 pr("r\treserve (land units only)\n");
132 pr("e\tescort (tactical or escort planes only)\n");
133 pr("a\tair defense (intercept planes only)\n");
134 pr("c\tclear mission\n");
139 if (!cando(mission, type)) {
140 pr("A %s cannot do that mission!\n", ef_nameof(type));
141 pr("i\tinterdiction (any)\n");
142 pr("s\tsupport (planes only)\n");
143 pr("o\toffensive support (planes only)\n");
144 pr("d\tdefensive support (planes only)\n");
145 pr("r\treserve (land units only)\n");
146 pr("e\tescort (planes only)\n");
147 pr("a\tair defense (planes only)\n");
151 if ((p = getstarg(player->argp[4], "operations point? ", buf)) == 0
156 if (!sarg_xy(p, &x, &y))
160 if (player->argp[5] != NULL) {
161 radius = atoi(player->argp[5]);
163 pr("Radius can't be negative!\n");
169 if ((mobmax = get_empobj_mob_max(type)) == -1)
172 mobused = ldround(mission_mob_cost * (double)mobmax, 1);
174 while (nxtitem(&ni, &item)) {
175 gp = (struct empobj *)&item;
177 if (!player->owner || gp->own == 0)
180 if (gp->mobil < mobused && mission_mob_cost) {
181 pr("%s: not enough mobility! (needs %d)\n",
182 obj_nameof(gp), mobused);
185 if (mission == MI_RESERVE && !lnd_can_attack((struct lndstr *)gp)) {
186 pr("%s is not designed to fight ground troops\n",
191 if ((mission == MI_INTERDICT) && (type == EF_SHIP))
192 if (mchr[(int)gp->type].m_glim == 0) {
193 pr("%s: cannot fire at range!\n", obj_nameof(gp));
197 if ((mission == MI_INTERDICT) && (type == EF_LAND))
198 if (lchr[(int)gp->type].l_dam == 0) {
199 pr("%s: cannot fire at range!\n", obj_nameof(gp));
203 if ((mission == MI_INTERDICT) && (type == EF_PLANE)) {
204 struct plchrstr *pcp;
206 pcp = &plchr[(int)gp->type];
207 if (!(pcp->pl_flags & P_T)) {
208 pr("Only planes with the tactical ability can interdict.\n"
209 "%s #%d is ineligible\n",
210 pcp->pl_name, gp->uid);
215 if ((mission == MI_AIR_DEFENSE) && (type == EF_PLANE)) {
216 struct plchrstr *pcp;
218 pcp = &plchr[(int)gp->type];
219 if (!(pcp->pl_flags & P_F)) {
220 pr("Only planes with the intercept abilities can perform air defense.\n"
221 "%s #%d is ineligible\n",
222 pcp->pl_name, gp->uid);
227 if ((mission == MI_ESCORT) && (type == EF_PLANE)) {
228 struct plchrstr *pcp;
230 pcp = &plchr[(int)gp->type];
231 if (!(pcp->pl_flags & P_ESC) && !(pcp->pl_flags & P_F)) {
232 pr("Only planes with the escort or intercept abilities can escort.\n"
233 "%s #%d is ineligible\n",
234 pcp->pl_name, gp->uid);
239 if ((mission == MI_SUPPORT || mission == MI_OSUPPORT ||
240 mission == MI_DSUPPORT) && (type == EF_PLANE)) {
241 struct plchrstr *pcp;
243 pcp = &plchr[(int)gp->type];
244 if (!(pcp->pl_flags & P_T)) {
245 pr("Only planes with the tactical ability can support.\n"
246 "%s #%d is ineligible\n",
247 pcp->pl_name, gp->uid);
257 gp->mobil -= mobused;
258 gp->mission = mission;
260 if (range < mapdist(gp->x, gp->y, x, y)) {
261 pr("%s: out of range! (range %d)\n",
262 obj_nameof(gp), range);
267 gp->radius = MIN(range, radius);
268 put_empobj(type, gp->uid, gp);
271 pr("%s on %s mission, centered on %s, radius %d\n",
272 obj_nameof(gp), mission_name(mission),
273 xyas(x, y, player->cnum), gp->radius);
276 pr("No %s%s\n", ef_nameof(type), splur(num));
279 pr("%d %s%s\n", num, ef_nameof(type), splur(num));
284 clear_mission(struct nstr_item *np)
286 union empobj_storage item;
288 while (nxtitem(np, &item)) {
289 item.gen.mission = 0;
290 put_empobj(item.gen.ef_type, item.gen.uid, &item);
297 show_mission(struct nstr_item *np)
300 union empobj_storage item;
303 while (nxtitem(np, &item)) {
304 gp = (struct empobj *)&item;
305 if (!player->owner || gp->own == 0)
309 pr("Thing x,y op-sect rad mission\n");
312 pr("%-25s", obj_nameof(gp));
313 prxy(" %3d,%-3d", gp->x, gp->y, player->cnum);
314 switch (gp->mission) {
322 prxy(" %3d,%-3d", gp->opx, gp->opy, player->cnum);
323 pr(" %4d", gp->radius);
332 pr(" is on %s mission\n", mission_name(gp->mission));
334 pr(" has no mission.\n");