/*
* 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
+ * Markus Armbruster, 2005-2009
*/
#include <config.h>
#include "damage.h"
#include "mission.h"
#include "news.h"
+#include "nuke.h"
#include "optlist.h"
#include "path.h"
#include "plane.h"
#include "ship.h"
static int launch_as(struct plnstr *pp);
-static int launch_missile(struct plnstr *pp, int sublaunch);
-static int launch_sat(struct plnstr *pp, int sublaunch);
+static int launch_missile(struct plnstr *pp);
+static int launch_sat(struct plnstr *pp);
+static int msl_equip(struct plnstr *, char);
/*
* laun <PLANES>
{
struct nstr_item nstr;
struct plnstr plane;
- struct shpstr ship;
- int sublaunch;
struct plchrstr *pcp;
int retval, gone;
}
}
- if (plane.pln_effic < 40) {
+ 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 (mchr[(int)ship.shp_type].m_flags & M_SUB)
- sublaunch = 1;
- }
pr("%s at %s; range %d, eff %d%%\n", prplane(&plane),
xyas(plane.pln_x, plane.pln_y, player->cnum),
plane.pln_range, plane.pln_effic);
if (!(pcp->pl_flags & P_O)) {
- retval = launch_missile(&plane, sublaunch);
+ retval = launch_missile(&plane);
gone = 1;
} else if ((pcp->pl_flags & (P_M | P_O)) == (P_M | P_O)) {
retval = launch_as(&plane);
gone = 1;
} else { /* satellites */
- retval = launch_sat(&plane, sublaunch);
+ retval = launch_sat(&plane);
gone = !(plane.pln_flags & PLN_LAUNCHED);
}
if (retval != RET_OK)
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;
- 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_xy(&ni, EF_PLANE, sx, sy);
- while (!goodtarget && nxtitem(&ni, &plane)) {
- if (!plane.pln_own)
- continue;
- if (!pln_is_in_orbit(&plane))
- continue;
- goodtarget = 1;
- }
- if (!goodtarget) {
- pr("No satellites there!\n");
+ 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 (msl_equip(pp, 'p') < 0) {
- pr("%s not enough petrol or shells!\n", prplane(pp));
+ if (msl_equip(pp, 'i') < 0)
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);
- if (CANT_HAPPEN(nukedam))
- return RET_OK;
- oldown = plane.pln_own;
- planedamage(&plane, dam);
- pr("Hit satellite for %d%% damage!\n", dam);
- mpr(oldown, "%s anti-sat did %d%% damage to %s over %s\n",
- cname(player->cnum), dam, prplane(&plane),
+ if (msl_launch(pp, EF_PLANE, prplane(&plane),
+ plane.pln_x, plane.pln_y, plane.pln_own, NULL) < 0)
+ return RET_OK;
+ if (msl_hit(pp, pln_def(&plane), EF_PLANE, 0, 0, 0, plane.pln_own)) {
+ pr("Satellite shot down\n");
+ mpr(plane.pln_own, "%s anti-sat destroyed %s over %s\n",
+ cname(player->cnum), prplane(&plane),
xyas(plane.pln_x, plane.pln_y, plane.pln_own));
+ nreport(pp->pln_own, N_SAT_KILL, plane.pln_own, 1);
+ plane.pln_effic = 0;
putplane(plane.pln_uid, &plane);
- if (!plane.pln_own)
- mpr(oldown, "Satellite shot down\n");
}
return RET_OK;
}
/*
* Launch missile PP.
- * If SUBLAUNCH, it's sub-launched.
* Return RET_OK if launched (even when missile explodes),
* else RET_SYN or RET_FAIL.
*/
static int
-launch_missile(struct plnstr *pp, int sublaunch)
+launch_missile(struct plnstr *pp)
{
struct plchrstr *pcp = plchr + pp->pln_type;
coord sx, sy;
- int n, dam;
+ int n, dam, sublaunch;
char *cp;
struct mchrstr *mcp;
struct shpstr target_ship;
struct sctstr sect;
- int nukedam;
int rel;
struct natstr *natp;
+ struct nukstr nuke;
char buf[1024];
if (pcp->pl_flags & P_MAR)
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, '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)) {
+ if (msl_equip(pp, 's') < 0)
+ return RET_FAIL;
getsect(sx, sy, §);
if (opt_SLOW_WAR) {
natp = getnatp(player->cnum);
return RET_OK;
}
}
- if (!msl_hit(pp, SECT_HARDTARGET, EF_SECTOR, N_SCT_MISS,
- N_SCT_SMISS, "sector", sx, sy, sect.sct_own)) {
-#if 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
+ if (msl_launch(pp, EF_SECTOR, "sector", sx, sy, sect.sct_own,
+ &sublaunch) < 0)
return RET_OK;
- }
- dam = pln_damage(pp, sect.sct_x, sect.sct_y, 's', &nukedam, 1);
- if (!nukedam) {
+ getsect(sx, sy, §);
+ if (!msl_hit(pp, SECT_HARDTARGET, EF_SECTOR,
+ N_SCT_MISS, N_SCT_SMISS, sublaunch, sect.sct_own))
+ CANT_REACH();
+ if (getnuke(nuk_on_plane(pp), &nuke))
+ detonate(&nuke, sx, sy, pp->pln_flags & PLN_AIRBURST);
+ else {
+ dam = pln_damage(pp, 's', 1);
pr("did %d damage in %s\n", PERCENT_DAMAGE(dam),
xyas(sx, sy, player->cnum));
if (sect.sct_own != 0) {
sectdamage(§, dam);
putsect(§);
}
- } /* end PINPOINTMISSILE conditional */
- else if (opt_PINPOINTMISSILE) { /* else */
+ } else {
+ if (msl_equip(pp, 'p') < 0)
+ return RET_FAIL;
+ if (msl_launch(pp, EF_SHIP, prship(&target_ship),
+ target_ship.shp_x, target_ship.shp_y,
+ target_ship.shp_own, &sublaunch) < 0)
+ return RET_OK;
+ getship(n, &target_ship);
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,
+ N_SHP_MISS, N_SHP_SMISS, sublaunch,
target_ship.shp_own)) {
pr("splash\n");
-#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
+ dam = pln_damage(pp, 'p', 0);
+ collateral_damage(target_ship.shp_x, target_ship.shp_y, dam);
return RET_OK;
}
- 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);
- putship(target_ship.shp_uid, &target_ship);
- }
+ dam = pln_damage(pp, 'p', 1);
+ check_retreat_and_do_shipdamage(&target_ship, dam);
+ 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;
}
* else RET_SYN or RET_FAIL.
*/
static int
-launch_sat(struct plnstr *pp, int sublaunch)
+launch_sat(struct plnstr *pp)
{
- struct plchrstr *pcp = plchr + pp->pln_type;
coord sx, sy;
int i;
int dist;
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));
+ if (msl_equip(pp, 'r') < 0)
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)) {
+ if (msl_asat_intercept(pp, sx, sy))
return RET_OK;
- }
pp->pln_x = sx;
pp->pln_y = sy;
CANT_HAPPEN(pp->pln_flags & PLN_LAUNCHED);
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;
}
+
+static int
+msl_equip(struct plnstr *pp, char mission)
+{
+ struct plist pl;
+
+ memset(&pl, 0, sizeof(struct plist));
+ pl.pcp = plchr + pp->pln_type;
+ pl.plane = *pp;
+ return pln_equip(&pl, NULL, mission);
+}
projects / empserver / blobdiff