/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2008, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Copyright (C) 1986-2009, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program is free software; you can redistribute it and/or modify
* ---
*
* laun.c: Launch missiles from land or sea
- *
+ *
* Known contributors to this file:
* Dave Pare, 1986
* Ken Stevens, 1995
* Steve McClure, 1998-2000
+ * Markus Armbruster, 2005-2008
*/
#include <config.h>
struct nstr_item nstr;
struct plnstr plane;
struct shpstr ship;
- struct sctstr sect;
int sublaunch;
struct plchrstr *pcp;
- int rel, retval, gone;
- struct natstr *natp;
+ int retval, gone;
- if (!snxtitem(&nstr, EF_PLANE, player->argp[1]))
+ if (!snxtitem(&nstr, EF_PLANE, player->argp[1], NULL))
return RET_SYN;
while (nxtitem(&nstr, &plane)) {
if (plane.pln_own != player->cnum)
}
}
+ if (plane.pln_effic < 40) {
+ pr("%s is damaged (%d%%)\n", prplane(&plane), plane.pln_effic);
+ continue;
+ }
+ if (!pln_airbase_ok(&plane, 1, 1))
+ continue;
sublaunch = 0;
if (plane.pln_ship >= 0) {
getship(plane.pln_ship, &ship);
- if (!ship.shp_own) {
- pr("%s: ship #%d was sunk!\n",
- prplane(&plane), ship.shp_uid);
- plane.pln_effic = 0;
- putplane(plane.pln_uid, &plane);
- continue;
- }
- natp = getnatp(ship.shp_own);
- rel = getrel(natp, player->cnum);
- if (ship.shp_own != player->cnum && rel != ALLIED) {
- pr("%s: you or an ally do not own ship #%d\n",
- prplane(&plane), ship.shp_uid);
- plane.pln_effic = 0;
- putplane(plane.pln_uid, &plane);
- continue;
- }
if (mchr[(int)ship.shp_type].m_flags & M_SUB)
sublaunch = 1;
- } else {
- sublaunch = 0;
- getsect(plane.pln_x, plane.pln_y, §);
- natp = getnatp(sect.sct_own);
- rel = getrel(natp, player->cnum);
- if (sect.sct_own && sect.sct_own != player->cnum
- && rel != ALLIED) {
- pr("%s: you or an ally do not own sector %s!\n",
- prplane(&plane), xyas(plane.pln_x, plane.pln_y,
- player->cnum));
- continue;
- }
- }
- if (plane.pln_effic < 60) {
- pr("%s is damaged (%d%%)\n", prplane(&plane), plane.pln_effic);
- continue;
}
pr("%s at %s; range %d, eff %d%%\n", prplane(&plane),
xyas(plane.pln_x, plane.pln_y, player->cnum),
static int
launch_as(struct plnstr *pp)
{
- coord sx, sy;
char *cp, buf[1024];
struct plnstr plane;
- struct nstr_item ni;
- int goodtarget;
int dam, nukedam;
natid oldown;
- if (msl_equip(pp) < 0) {
- pr("%s not enough petrol or shells!\n", prplane(pp));
- return RET_FAIL;
- }
- cp = getstarg(player->argp[2], "Target sector? ", buf);
+ cp = getstarg(player->argp[2], "Target satellite? ", buf);
if (!check_plane_ok(pp))
return RET_FAIL;
if (!cp || !*cp)
return RET_SYN;
- if (!sarg_xy(cp, &sx, &sy)) {
- pr("Bad sector designation!\n");
- return RET_SYN;
- }
- if (mapdist(pp->pln_x, pp->pln_y, sx, sy) > pp->pln_range) {
- pr("Range too great!\n");
+ if (!getplane(atoi(cp), &plane) || !plane.pln_own
+ || !pln_is_in_orbit(&plane)) {
+ pr("No such satellite exists!\n");
return RET_FAIL;
+ /* Can be abused to find satellite ids. Tolerable. */
}
- goodtarget = 0;
- snxtitem_dist(&ni, EF_PLANE, sx, sy, 0);
- while (!goodtarget && nxtitem(&ni, &plane)) {
- if (!plane.pln_own)
- continue;
- if (!pln_is_in_orbit(&plane))
- continue;
- goodtarget = 1;
+ if (mapdist(pp->pln_x, pp->pln_y, plane.pln_x, plane.pln_y)
+ > pp->pln_range) {
+ pr("Range too great!\n");
+ return RET_FAIL;
}
- if (!goodtarget) {
- pr("No satellites there!\n");
+ if (msl_equip(pp, 'p') < 0) {
+ pr("%s not enough petrol or shells!\n", prplane(pp));
return RET_FAIL;
}
if (msl_hit(pp, pln_def(&plane), EF_PLANE, N_SAT_KILL, N_SAT_KILL,
- prplane(&plane), sx, sy, plane.pln_own)) {
- dam = pln_damage(pp, sx, sy, 'p', &nukedam, 1);
+ prplane(&plane), plane.pln_x, plane.pln_y, plane.pln_own)) {
+ dam = pln_damage(pp, plane.pln_x, plane.pln_y, 'p', &nukedam, 1);
+ CANT_HAPPEN(nukedam);
oldown = plane.pln_own;
planedamage(&plane, dam);
pr("Hit satellite for %d%% damage!\n", dam);
return RET_SYN;
if (!check_plane_ok(pp))
return RET_FAIL;
- if (opt_PINPOINTMISSILE && sarg_type(cp) == NS_LIST) {
+ if (sarg_type(cp) == NS_LIST) {
if (!(pcp->pl_flags & P_MAR)) {
pr("Missile not designed to attack ships!\n");
return RET_FAIL;
pr("Bad ship number!\n");
return RET_FAIL;
}
- } /* not PINPOINTMISSILE for ships */
- else if (!sarg_xy(cp, &sx, &sy)) {
+ } else if (!sarg_xy(cp, &sx, &sy)) {
pr("Not a sector!\n");
return RET_FAIL;
- } else if (opt_PINPOINTMISSILE) {
+ } else {
if (pcp->pl_flags & P_MAR) {
pr("Missile designed to attack ships!\n");
return RET_FAIL;
}
}
- /* end PINPOINTMISSILE */
+
if (mapdist(pp->pln_x, pp->pln_y, sx, sy) > pp->pln_range) {
pr("Range too great; try again!\n");
return RET_FAIL;
}
- if (msl_equip(pp) < 0) {
+ if (msl_equip(pp, 'p') < 0) {
pr("%s not enough shells!\n", prplane(pp));
return RET_FAIL;
}
- if (opt_PINPOINTMISSILE == 0 || !(pcp->pl_flags & P_MAR)) {
+ if (!(pcp->pl_flags & P_MAR)) {
getsect(sx, sy, §);
if (opt_SLOW_WAR) {
natp = getnatp(player->cnum);
}
if (!msl_hit(pp, SECT_HARDTARGET, EF_SECTOR, N_SCT_MISS,
N_SCT_SMISS, "sector", sx, sy, sect.sct_own)) {
+#if 0
/*
- dam = pln_damage(pp, sect.sct_x, sect.sct_y, 's', &nukedam, 0);
- collateral_damage(sect.sct_x, sect.sct_y, dam, 0);
+ * FIXME want collateral damage on miss (which can't
+ * happen for nuclear war heads), but we get here too when
+ * launch fails or missile is intercepted
*/
+ dam = pln_damage(pp, sect.sct_x, sect.sct_y, 's', &nukedam, 0);
+ collateral_damage(sect.sct_x, sect.sct_y, dam, 0);
+#endif
return RET_OK;
}
dam = pln_damage(pp, sect.sct_x, sect.sct_y, 's', &nukedam, 1);
sectdamage(§, dam);
putsect(§);
}
- } /* end PINPOINTMISSILE conditional */
- else if (opt_PINPOINTMISSILE) { /* else */
+ } else {
if (!msl_hit(pp, shp_hardtarget(&target_ship), EF_SHIP,
N_SHP_MISS, N_SHP_SMISS, prship(&target_ship),
target_ship.shp_x, target_ship.shp_y,
target_ship.shp_own)) {
pr("splash\n");
- /*
- dam = pln_damage(pp,target_ship.shp_x,target_ship.shp_y,'p',&nukedam, 0);
- collateral_damage(target_ship.shp_x, target_ship.shp_y, dam, 0);
- */
+#if 0 /* FIXME see above */
+ dam = pln_damage(pp,target_ship.shp_x,target_ship.shp_y,'p',&nukedam, 0);
+ collateral_damage(target_ship.shp_x, target_ship.shp_y, dam, 0);
+#endif
return RET_OK;
}
- dam =
- pln_damage(pp, target_ship.shp_x, target_ship.shp_y, 'p',
- &nukedam, 1);
+ dam = pln_damage(pp, target_ship.shp_x, target_ship.shp_y, 'p',
+ &nukedam, 1);
if (!nukedam) {
check_retreat_and_do_shipdamage(&target_ship, dam);
- if (target_ship.shp_effic < SHIP_MINEFF)
- pr("\t%s sunk!\n", prship(&target_ship));
putship(target_ship.shp_uid, &target_ship);
}
getship(target_ship.shp_uid, &target_ship);
if (!target_ship.shp_own)
pr("%s sunk!\n", prship(&target_ship));
}
- /* end PINPOINTMISSILE */
return RET_OK;
}
return RET_FAIL;
}
p = getstring("Geostationary orbit? ", buf);
- if (p == 0)
+ if (!p)
return RET_SYN;
if (!check_plane_ok(pp))
return RET_FAIL;
+ if (msl_equip(pp, 'r') < 0) {
+ pr("%s not enough petrol!\n", prplane(pp));
+ return RET_FAIL;
+ }
pp->pln_theta = 0;
pp->pln_flags |= PLN_SYNCHRONOUS;
if (*p == 0 || *p == 'n')
i = pp->pln_tech + pp->pln_effic;
if (chance(1.0 - (i / (i + 50.0)))) {
dir = (random() % 6) + 1;
- sx += diroff[dir][0];
- sy += diroff[dir][1];
+ sx = xnorm(sx + diroff[dir][0]);
+ sy = ynorm(sy + diroff[dir][1]);
pr("Your trajectory was a little off.\n");
}
nreport(player->cnum, N_LAUNCH, 0, 1);
- pr("%s positioned over %s", prplane(pp), xyas(sx, sy, player->cnum));
if (msl_intercept(sx, sy, pp->pln_own, pcp->pl_def, sublaunch, P_O, 0)) {
return RET_OK;
}
pp->pln_flags |= PLN_LAUNCHED;
pp->pln_mobil = pp->pln_mobil > dist ? pp->pln_mobil - dist : 0;
putplane(pp->pln_uid, pp);
- pr(", will be ready for use in %d time units\n",
+ pr("%s positioned over %s, will be ready for use in %d time units\n",
+ prplane(pp), xyas(sx, sy, player->cnum),
plane_mob_max - pp->pln_mobil);
return RET_OK;
}