337 lines
8 KiB
C
337 lines
8 KiB
C
/*
|
|
* Empire - A multi-player, client/server Internet based war game.
|
|
* Copyright (C) 1986-2015, Dave Pare, Jeff Bailey, Thomas Ruschak,
|
|
* Ken Stevens, Steve McClure, Markus Armbruster
|
|
*
|
|
* 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 3 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, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* ---
|
|
*
|
|
* 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.
|
|
*
|
|
* ---
|
|
*
|
|
* miss.c: set missions for ships/planes/units
|
|
*
|
|
* Known contributors to this file:
|
|
* Thomas Ruschak, 1992
|
|
* Steve McClure, 2000
|
|
* Markus Armbruster, 2005-2013
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#include "commands.h"
|
|
#include "mission.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
|
|
mission(void)
|
|
{
|
|
static int ef_with_missions[] = { EF_SHIP, EF_LAND, EF_PLANE, EF_BAD };
|
|
char *p;
|
|
int type;
|
|
int mission;
|
|
coord x, y;
|
|
int radius, range;
|
|
union empobj_storage item;
|
|
struct empobj *gp;
|
|
int num = 0;
|
|
struct nstr_item ni;
|
|
char buf[1024];
|
|
|
|
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;
|
|
}
|
|
if (!snxtitem(&ni, type, player->argp[2], NULL))
|
|
return RET_SYN;
|
|
|
|
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
|
|
* 'd' support defenders
|
|
* 'e' escort
|
|
* 'r' defensive reserve
|
|
* 'a' air defense (intercepts)
|
|
*/
|
|
switch (*p) {
|
|
case 'I':
|
|
case 'i':
|
|
mission = MI_INTERDICT;
|
|
break;
|
|
case 'O':
|
|
case 'o':
|
|
mission = MI_OSUPPORT;
|
|
break;
|
|
case 'D':
|
|
case 'd':
|
|
mission = MI_DSUPPORT;
|
|
break;
|
|
case 'S':
|
|
case 's':
|
|
mission = MI_SUPPORT;
|
|
break;
|
|
case 'C':
|
|
case 'c':
|
|
return clear_mission(&ni);
|
|
case 'E':
|
|
case 'e':
|
|
mission = MI_ESCORT;
|
|
break;
|
|
case 'R':
|
|
case 'r':
|
|
mission = MI_RESERVE;
|
|
break;
|
|
case 'A':
|
|
case 'a':
|
|
mission = MI_AIR_DEFENSE;
|
|
break;
|
|
case 'q':
|
|
return show_mission(&ni);
|
|
default:
|
|
pr("bad condition\n");
|
|
pr("i\tinterdiction (any)\n");
|
|
pr("s\tsupport (tactical planes only)\n");
|
|
pr("o\toffensive support (tactical planes only)\n");
|
|
pr("d\tdefensive support (tactical planes only)\n");
|
|
pr("r\treserve (land units only)\n");
|
|
pr("e\tescort (tactical or escort planes only)\n");
|
|
pr("a\tair defense (intercept planes only)\n");
|
|
pr("c\tclear mission\n");
|
|
pr("q\tquery\n");
|
|
return RET_SYN;
|
|
}
|
|
|
|
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");
|
|
pr("o\toffensive support (planes only)\n");
|
|
pr("d\tdefensive support (planes only)\n");
|
|
pr("r\treserve (land units only)\n");
|
|
pr("e\tescort (planes only)\n");
|
|
pr("a\tair defense (planes only)\n");
|
|
return RET_FAIL;
|
|
}
|
|
|
|
p = getstarg(player->argp[4], "operations point? ", buf);
|
|
if (!p || !*p)
|
|
return RET_SYN;
|
|
|
|
if (*p != '.') {
|
|
if (!sarg_xy(p, &x, &y))
|
|
return RET_SYN;
|
|
}
|
|
|
|
if (player->argp[5] != NULL) {
|
|
radius = atoi(player->argp[5]);
|
|
if (radius < 0) {
|
|
pr("Radius can't be negative!\n");
|
|
return RET_FAIL;
|
|
}
|
|
} else
|
|
radius = 9999;
|
|
|
|
while (nxtitem(&ni, &item)) {
|
|
gp = &item.gen;
|
|
|
|
if (!player->owner || gp->own == 0)
|
|
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 ((mission == MI_INTERDICT) && (type == EF_SHIP))
|
|
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_dam == 0) {
|
|
pr("%s: cannot fire at range!\n", unit_nameof(gp));
|
|
continue;
|
|
}
|
|
|
|
if ((mission == MI_INTERDICT) && (type == EF_PLANE)) {
|
|
struct plchrstr *pcp;
|
|
|
|
pcp = &plchr[(int)gp->type];
|
|
if (!(pcp->pl_flags & P_T)) {
|
|
pr("Only planes with the tactical ability can interdict.\n"
|
|
"%s #%d is ineligible\n",
|
|
pcp->pl_name, gp->uid);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if ((mission == MI_AIR_DEFENSE) && (type == EF_PLANE)) {
|
|
struct plchrstr *pcp;
|
|
|
|
pcp = &plchr[(int)gp->type];
|
|
if (!(pcp->pl_flags & P_F)) {
|
|
pr("Only planes with the intercept abilities can perform air defense.\n"
|
|
"%s #%d is ineligible\n",
|
|
pcp->pl_name, gp->uid);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if ((mission == MI_ESCORT) && (type == EF_PLANE)) {
|
|
struct plchrstr *pcp;
|
|
|
|
pcp = &plchr[(int)gp->type];
|
|
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",
|
|
pcp->pl_name, gp->uid);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if ((mission == MI_SUPPORT || mission == MI_OSUPPORT ||
|
|
mission == MI_DSUPPORT) && (type == EF_PLANE)) {
|
|
struct plchrstr *pcp;
|
|
|
|
pcp = &plchr[(int)gp->type];
|
|
if (!(pcp->pl_flags & P_T)) {
|
|
pr("Only planes with the tactical ability can support.\n"
|
|
"%s #%d is ineligible\n",
|
|
pcp->pl_name, gp->uid);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (type == EF_PLANE && nuk_on_plane((struct plnstr *)gp) >= 0) {
|
|
pr("%s can't perform a mission while it carries a nuclear weapon",
|
|
unit_nameof(gp));
|
|
continue;
|
|
}
|
|
|
|
if (*p == '.') {
|
|
x = gp->x;
|
|
y = gp->y;
|
|
}
|
|
|
|
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;
|
|
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));
|
|
return RET_FAIL;
|
|
}
|
|
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;
|
|
}
|