/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2006, Dave Pare, Jeff Bailey, Thomas Ruschak,
- * Ken Stevens, Steve McClure
+ * Copyright (C) 1986-2021, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Ken Stevens, Steve McClure, Markus Armbruster
*
- * This program is free software; you can redistribute it and/or modify
+ * Empire 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
+ * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* 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
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* ---
*
* ---
*
* miss.c: set missions for ships/planes/units
- *
+ *
* Known contributors to this file:
* Thomas Ruschak, 1992
* Steve McClure, 2000
+ * Markus Armbruster, 2005-2021
*/
#include <config.h>
#include "commands.h"
-#include "empobj.h"
#include "mission.h"
-#include "optlist.h"
-#include "path.h"
+#include "unit.h"
+
+static int clear_mission(struct nstr_item *);
+static int show_mission(struct nstr_item *);
/*
* mission <type> <planes/ships/units> <mission type> <op sector> [<radius>]
int type;
int mission;
coord x, y;
- int desired_radius, radius;
- struct sctstr opsect;
+ int radius, range;
union empobj_storage item;
struct empobj *gp;
- int num = 0, mobmax, mobused, dist;
+ int num = 0;
struct nstr_item ni;
- char prompt[128];
char buf[1024];
- if ((p =
- getstarg(player->argp[1], "Ship, plane or land unit (p,sh,la)? ",
- buf)) == 0)
+ p = getstarg(player->argp[1], "Ship, plane or land unit (p,sh,la)? ",
+ buf);
+ if (!p)
return RET_SYN;
type = ef_byname_from(p, ef_with_missions);
if (type < 0) {
pr("Ships, land units or planes only! (s, l, p)\n");
return RET_SYN;
}
- sprintf(prompt, "%s(s)? ", ef_nameof(type));
- p = getstarg(player->argp[2], prompt, buf);
- if (!snxtitem(&ni, type, p))
+ if (!snxtitem(&ni, type, player->argp[2], NULL))
return RET_SYN;
- if ((p =
- getstarg(player->argp[3],
- "Mission (int, sup, osup, dsup, esc, res, air, query, clear)? ",
- buf)) == 0)
+ p = getstarg(player->argp[3],
+ "Mission (int, sup, osup, dsup, esc, res, air, query, clear)? ",
+ buf);
+ if (!p)
return RET_SYN;
-/*
+/*
* 'i' interdiction
* 's' support
* 'o' support attacks
break;
case 'C':
case 'c':
- mission = 0;
- break;
+ return clear_mission(&ni);
case 'E':
case 'e':
mission = MI_ESCORT;
mission = MI_AIR_DEFENSE;
break;
case 'q':
- show_mission(type, &ni);
- return RET_OK;
+ return show_mission(&ni);
default:
pr("bad condition\n");
pr("i\tinterdiction (any)\n");
return RET_SYN;
}
- if (mission && !cando(mission, type)) {
+ if (!cando(mission, type)) {
pr("A %s cannot do that mission!\n", ef_nameof(type));
pr("i\tinterdiction (any)\n");
pr("s\tsupport (planes only)\n");
return RET_FAIL;
}
- if (mission && ((mission != MI_RESERVE) && (mission != MI_ESCORT))) {
- if ((p = getstarg(player->argp[4], "operations point? ", buf)) == 0
- || *p == 0)
- return RET_SYN;
-
- if (*p != '.') {
- if (!sarg_xy(p, &x, &y))
- return RET_SYN;
+ p = getstarg(player->argp[4], "operations point? ", buf);
+ if (!p || !*p)
+ return RET_SYN;
- if (!getsect(x, y, &opsect))
- return RET_FAIL;
- }
- } else {
- x = 0;
- y = 0;
+ if (*p != '.') {
+ if (!sarg_xy(p, &x, &y))
+ return RET_SYN;
}
if (player->argp[5] != NULL) {
- desired_radius = atoi(player->argp[5]);
- if (desired_radius < 0) {
- pr("Radius must be greater than zero!\n");
+ radius = atoi(player->argp[5]);
+ if (radius < 0) {
+ pr("Radius can't be negative!\n");
return RET_FAIL;
}
- } else {
- desired_radius = 9999;
- }
-
- switch (type) {
- case EF_SHIP:
- mobmax = ship_mob_max;
- break;
- case EF_LAND:
- mobmax = land_mob_max;
- break;
- case EF_PLANE:
- mobmax = plane_mob_max;
- break;
- default:
- CANT_HAPPEN("bad TYPE");
- return RET_FAIL;
- }
-
- mobused = ldround(mission_mob_cost * (double)mobmax, 1);
+ } else
+ radius = 9999;
while (nxtitem(&ni, &item)) {
- gp = (struct empobj *)&item;
+ gp = &item.gen;
if (!player->owner || gp->own == 0)
continue;
- if ((mission && (gp->mobil < mobused)) && mission_mob_cost) {
- pr("%s: not enough mobility! (needs %d)\n",
- obj_nameof(gp), mobused);
- continue;
- }
- if (mission == MI_RESERVE && !lnd_can_attack((struct lndstr *)gp)) {
- pr("%s is not designed to fight ground troops\n",
- obj_nameof(gp));
- continue;
- }
- if (*p == '.') {
- x = gp->x;
- y = gp->y;
- if (!getsect(x, y, &opsect))
- return RET_FAIL;
- }
-
- dist = mapdist(gp->x, gp->y, x, y);
- radius = 999;
- if ((mission == MI_INTERDICT || mission == MI_SUPPORT ||
- mission == MI_OSUPPORT || mission == MI_DSUPPORT ||
- mission == MI_AIR_DEFENSE) &&
- (oprange(gp, &radius) < dist)) {
- pr("%s: out of range! (range %d)\n",
- obj_nameof(gp), oprange(gp, &radius));
- continue;
+ if (mission == MI_RESERVE) {
+ if (!lnd_can_attack((struct lndstr *)gp)) {
+ pr("%s is not designed to fight ground troops\n",
+ unit_nameof(gp));
+ continue;
+ }
+ if (!lchr[gp->type].l_rad) {
+ pr("%s cannot react anywhere!\n", unit_nameof(gp));
+ continue;
+ }
}
- if (radius > desired_radius)
- radius = desired_radius;
-
if ((mission == MI_INTERDICT) && (type == EF_SHIP))
- if (mchr[(int)gp->type].m_frnge < 1) {
- pr("%s: cannot fire at range!\n", obj_nameof(gp));
+ if (mchr[(int)gp->type].m_glim == 0) {
+ pr("%s: cannot fire at range!\n", unit_nameof(gp));
continue;
}
if ((mission == MI_INTERDICT) && (type == EF_LAND))
- if (lchr[(int)gp->type].l_frg < 1) {
- pr("%s: cannot fire at range!\n", obj_nameof(gp));
+ if (lchr[(int)gp->type].l_dam == 0) {
+ pr("%s: cannot fire at range!\n", unit_nameof(gp));
continue;
}
pcp = &plchr[(int)gp->type];
if (!(pcp->pl_flags & P_F)) {
- pr("Only planes with the intercept abilities can perform air defense.\n"
+ pr("Only planes with the intercept ability can perform air defense.\n"
"%s #%d is ineligible\n",
pcp->pl_name, gp->uid);
continue;
struct plchrstr *pcp;
pcp = &plchr[(int)gp->type];
+ if (pcp->pl_flags & P_M) {
+ pr("Missiles can't escort.\n"
+ "%s #%d is ineligible\n",
+ pcp->pl_name, gp->uid);
+ continue;
+ }
if (!(pcp->pl_flags & P_ESC) && !(pcp->pl_flags & P_F)) {
pr("Only planes with the escort or intercept abilities can escort.\n"
"%s #%d is ineligible\n",
}
}
- num++; /* good one.. go with it */
-
- if (mission == MI_INTERDICT || mission == MI_SUPPORT ||
- mission == MI_OSUPPORT || mission == MI_DSUPPORT ||
- mission == MI_AIR_DEFENSE)
- gp->radius = radius;
- else
- gp->radius = 0;
-
- if (mission == MI_SUPPORT || mission == MI_OSUPPORT ||
- mission == MI_DSUPPORT || mission == MI_INTERDICT ||
- mission == MI_AIR_DEFENSE) {
- pr("%s on %s mission, centered on %s, radius %d\n",
- obj_nameof(gp), mission_name(mission),
- xyas(x, y, player->cnum), gp->radius);
- } else if (mission == MI_RESERVE) {
- int plus = 2;
-
- if (((struct lndstr *)gp)->lnd_rad_max == 0) {
- plus = 0;
- } else {
- getsect(gp->x, gp->y, &opsect);
- if ((opsect.sct_type == SCT_HEADQ)
- && (opsect.sct_effic >= 60))
- plus++;
- plus += ((struct lndstr *)gp)->lnd_rad_max;
- }
+ if (type == EF_PLANE && nuk_on_plane((struct plnstr *)gp) >= 0) {
+ pr("%s can't perform a mission"
+ " while it is carrying a nuclear weapon\n",
+ unit_nameof(gp));
+ continue;
+ }
- pr("%s on %s mission with maximum reaction radius %d\n",
- obj_nameof(gp), mission_name(mission), plus);
- } else if (mission) {
- pr("%s on %s mission\n", obj_nameof(gp),
- mission_name(mission));
+ if (*p == '.') {
+ x = gp->x;
+ y = gp->y;
}
- if (mission)
- gp->mobil -= mobused;
gp->mission = mission;
+ range = oprange(gp);
+ if (range < mapdist(gp->x, gp->y, x, y)) {
+ pr("%s: out of range! (range %d)\n",
+ unit_nameof(gp), range);
+ continue;
+ }
gp->opx = x;
gp->opy = y;
- put_empobj(gp);
+ gp->radius = MIN(range, radius);
+ put_empobj(type, gp->uid, gp);
+ num++;
+
+ pr("%s on %s mission, centered on %s, radius %d\n",
+ unit_nameof(gp), mission_name(mission),
+ xyas(x, y, player->cnum), gp->radius);
}
if (num == 0) {
pr("No %s%s\n", ef_nameof(type), splur(num));
pr("%d %s%s\n", num, ef_nameof(type), splur(num));
return RET_OK;
}
+
+static int
+clear_mission(struct nstr_item *np)
+{
+ union empobj_storage item;
+
+ while (nxtitem(np, &item)) {
+ item.gen.mission = 0;
+ put_empobj(item.gen.ef_type, item.gen.uid, &item);
+ }
+
+ return RET_OK;
+}
+
+static int
+show_mission(struct nstr_item *np)
+{
+ int first = 1;
+ union empobj_storage item;
+ struct empobj *gp;
+
+ while (nxtitem(np, &item)) {
+ gp = &item.gen;
+ if (!player->owner || gp->own == 0)
+ continue;
+
+ if (first) {
+ pr("Thing x,y op-sect rad mission\n");
+ first = 0;
+ }
+ pr("%-25s", unit_nameof(gp));
+ prxy(" %4d,%-4d", gp->x, gp->y);
+ switch (gp->mission) {
+ case MI_INTERDICT:
+ case MI_SUPPORT:
+ case MI_RESERVE:
+ case MI_ESCORT:
+ case MI_AIR_DEFENSE:
+ case MI_DSUPPORT:
+ case MI_OSUPPORT:
+ prxy(" %4d,%-4d", gp->opx, gp->opy);
+ pr(" %3d", gp->radius);
+ break;
+ default:
+ CANT_REACH();
+ /* fall through */
+ case MI_NONE:
+ pr(" ");
+ }
+ if (gp->mission)
+ pr(" is on %s mission\n", mission_name(gp->mission));
+ else
+ pr(" has no mission.\n");
+ }
+
+ return RET_OK;
+}