Exemplo n.º 1
0
/*
 * Get assembly point argument.
 * If INPUT is not empty, use it, else prompt for more input using PROMPT.
 * If this yields a valid assembly point, read it into *AP_SECT and
 * return AP_SECT.
 * Else complain and return NULL.
 * *AP_SECT and BUF[1024] may be modified in either case.
 */
struct sctstr *
get_assembly_point(char *input, struct sctstr *ap_sect, char *buf)
{
    char *p;
    coord x, y;
    struct nstr_item ni;
    struct shpstr ship;

    p = getstarg(input, "assembly point? ", buf);
    if (!p || *p == 0)
	return NULL;
    if (!sarg_xy(p, &x, &y) || !getsect(x, y, ap_sect))
	return NULL;

    /* over own or allied sector is fine */
    if (relations_with(ap_sect->sct_own, player->cnum) == ALLIED)
	return ap_sect;

    /* over own or allied ship is fine */
    snxtitem_xy(&ni, EF_SHIP, x, y);
    while (nxtitem(&ni, &ship)) {
	if (ship.shp_effic < SHIP_MINEFF || ship.shp_own == 0)
	    continue;
	if (relations_with(ship.shp_own, player->cnum) == ALLIED)
	    return ap_sect;
    }

    pr("Assembly point not owned by you or an ally!\n");
    return NULL;
}
Exemplo n.º 2
0
void
takeover(struct sctstr *sp, natid newown)
{
    struct plnstr *pp;
    struct lndstr *lp;
    int civ;
    int che_count;
    int oldche;
    int n;
    struct nstr_item ni;
    struct plnstr p;
    struct lndstr land;

    /* Wipe all the distribution info */
    memset(sp->sct_dist, 0, sizeof(sp->sct_dist));
    memset(sp->sct_del, 0, sizeof(sp->sct_del));
    if (sp->sct_own == 0)
	sp->sct_off = 0;
    else
	sp->sct_off = 1;
    sp->sct_dist_x = sp->sct_x;
    sp->sct_dist_y = sp->sct_y;

    pp = &p;
    /* Take over planes */
    snxtitem_xy(&ni, EF_PLANE, sp->sct_x, sp->sct_y);
    while (nxtitem(&ni, pp)) {
	if (pp->pln_own != sp->sct_own)
	    continue;
	takeover_plane(pp, newown);
    }

    /* Take over land units */
    lp = &land;
    snxtitem_xy(&ni, EF_LAND, sp->sct_x, sp->sct_y);
    while (nxtitem(&ni, lp)) {
	if ((lp->lnd_own == newown) || (lp->lnd_own == 0))
	    continue;
	if (lp->lnd_own != sp->sct_own)
	    continue;
	if (lp->lnd_ship >= 0 || lp->lnd_land >= 0)
	    continue;
	/* Spies get a chance to hide */
	if (lchr[(int)lp->lnd_type].l_flags & L_SPY) {
	    if (!(chance(LND_SPY_DETECT_CHANCE(lp->lnd_effic))))
		continue;
	}
	n = lp->lnd_effic - (29 + roll(100));
	if (n < 0)
	    n = 0;
	lp->lnd_effic = n;
	if (lp->lnd_effic < LAND_MINEFF) {
	    lp->lnd_effic = 0;
	    mpr(newown, "%s blown up by the crew!\n", prland(lp));
	    wu(0, lp->lnd_own,
	       "%s blown up by the crew when %s took %s!\n",
	       prland(lp),
	       cname(newown), xyas(lp->lnd_x, lp->lnd_y, lp->lnd_own));
	} else {
	    mpr(newown, "We have captured %s!\n", prland(lp));
	    wu(0, lp->lnd_own,
	       "%s captured when %s took %s!\n",
	       prland(lp),
	       cname(newown), xyas(lp->lnd_x, lp->lnd_y, lp->lnd_own));
	}
	takeover_land(lp, newown);
    }

    sp->sct_avail = 0;
    civ = sp->sct_item[I_CIVIL];
    oldche = sp->sct_che;
    /*
     * create guerrillas from civilians
     * how spunky are these guys?
     * n: random number from -25:75 + (50 - loyalty)
     */
    n = (50 - sp->sct_loyal) + (roll(100) - 26);
    if (n > 0 && sp->sct_own == sp->sct_oldown) {
	che_count = (civ * n / 3000) + 5;
	if (che_count * 2 > civ)
	    che_count = civ / 2;
	che_count /= hap_fact(getnatp(newown), getnatp(sp->sct_own));
	if (che_count + oldche > CHE_MAX)
	    che_count = CHE_MAX - oldche;
	if (che_count > 0) {
	    civ -= che_count;
	    che_count += oldche;
	} else
	    che_count = oldche;
    } else
	che_count = oldche;
    sp->sct_che = che_count;
    if (newown != sp->sct_oldown)
	sp->sct_che_target = newown;
    if (sp->sct_che_target == 0)
	sp->sct_che = 0;
    sp->sct_item[I_CIVIL] = civ;
    if (sp->sct_oldown == newown || civ == 0) {
	/*
	 * taking over one of your old sectors
	 */
	sp->sct_loyal = 0;
	sp->sct_oldown = newown;
    } else {
	/*
	 * taking over someone else's sector
	 */
	sp->sct_loyal = 50;
    }
    sp->sct_own = newown;
    if (opt_MOB_ACCESS) {
	game_tick_to_now(&sp->sct_access);
	sp->sct_mobil = -(etu_per_update / sect_mob_neg_factor);
    } else {
	sp->sct_mobil = 0;
    }
}
Exemplo n.º 3
0
/* Knock down a bridge span.  Note that this does NOT write the
 * sector out to the database, it's up to the caller to do that. */
static void
knockdown(struct sctstr *sp)
{
    struct lndstr land;
    struct plnstr plane;
    struct nukstr nuke;
    struct nstr_item ni;

    mpr(sp->sct_own,
	"Crumble... SCREEEECH!  Splash! Bridge%s falls at %s!\n",
	sp->sct_type == SCT_BTOWER ? " tower" : "",
	xyas(sp->sct_x, sp->sct_y, sp->sct_own));
    if (!SCT_MINES_ARE_SEAMINES(sp))
	sp->sct_mines = 0;
    sp->sct_type = SCT_WATER;
    sp->sct_newtype = SCT_WATER;
    sp->sct_own = 0;
    sp->sct_oldown = 0;
    sp->sct_mobil = 0;
    sp->sct_effic = 0;

    /* Sink all the units */
    snxtitem_xy(&ni, EF_LAND, sp->sct_x, sp->sct_y);
    while (nxtitem(&ni, &land)) {
	if (land.lnd_own == 0)
	    continue;
	if (land.lnd_ship >= 0)
	    continue;
	mpr(land.lnd_own, "     AARGH! %s tumbles to its doom!\n",
	    prland(&land));
	land.lnd_effic = 0;
	putland(land.lnd_uid, &land);
    }
    /* Sink all the planes */
    snxtitem_xy(&ni, EF_PLANE, sp->sct_x, sp->sct_y);
    while (nxtitem(&ni, &plane)) {
	if (plane.pln_own == 0)
	    continue;
	if (plane.pln_flags & PLN_LAUNCHED)
	    continue;
	if (plane.pln_ship >= 0)
	    continue;
	mpr(plane.pln_own, "     AARGH! %s tumbles to its doom!\n",
	    prplane(&plane));
	plane.pln_effic = 0;
	putplane(plane.pln_uid, &plane);
    }
    /* Sink all the nukes */
    snxtitem_xy(&ni, EF_NUKE, sp->sct_x, sp->sct_y);
    while (nxtitem(&ni, &nuke)) {
	if (nuke.nuk_own == 0)
	    continue;
	if (nuke.nuk_plane >= 0)
	    continue;
	mpr(nuke.nuk_own, "     %s sinks to the bottom of the sea!\n",
	    prnuke(&nuke));
	nuke.nuk_effic = 0;
	putnuke(nuke.nuk_uid, &nuke);
    }
    memset(sp->sct_item, 0, sizeof(sp->sct_item));
    memset(sp->sct_del, 0, sizeof(sp->sct_del));
    memset(sp->sct_dist, 0, sizeof(sp->sct_dist));
    sp->sct_pstage = PLG_HEALTHY;
    sp->sct_ptime = 0;
    sp->sct_che = 0;
    sp->sct_che_target = 0;
}
Exemplo n.º 4
0
int
boar(void)
{
    struct combat off[1];	/* boarding ship or sector */
    struct combat def[1];	/* defending ship */
    struct emp_qelem olist;	/* boarding units */
    struct emp_qelem dlist;	/* defending units */
    int ototal;			/* total boarding strength */
    int a_engineer = 0;		/* boarder engineers are present */
    int a_spy = 0;		/* the best boarder scout */
    struct shpstr ship;		/* for retreating */
    struct sctstr sect;
    struct lndstr land;
    struct nstr_item ni;
    int foundland, def_uid;
    natid def_own;
    char *p;
    char buf[1024];

    att_combat_init(def, EF_SHIP);
    /*
     * Collect input from the boarder
     */

    /* What are we boarding? */
    p = getstarg(player->argp[1], "Victim ship #?  ", buf);
    if (!p || (def->shp_uid = atoi(p)) < 0)
	return RET_SYN;

    /*
     * Ask the boarder what he wants to board with
     */

    if (!(p = getstarg(player->argp[2], "Boarding party from? ", buf)))
	return RET_SYN;
    if (issector(p)) {
	att_combat_init(off, EF_SECTOR);
	if (!sarg_xy(p, &off->x, &off->y))
	    return RET_SYN;
	getsect(off->x, off->y, &sect);
	if (sect.sct_own != player->cnum) {
	    pr("You don't own %s!\n", xyas(off->x, off->y, player->cnum));
	    return RET_SYN;
	}
	if (sect.sct_mobil <= 0) {
	    /* Look for land units with mobility */
	    snxtitem_xy(&ni, EF_LAND, off->x, off->y);
	    foundland = 0;
	    while (nxtitem(&ni, &land)) {
		if (land.lnd_own != player->cnum)
		    continue;
		if (land.lnd_ship >= 0 || land.lnd_land >= 0)
		    continue;
		if (land.lnd_mobil <= 0)
		    continue;
		/* Only land units with assault can board */
		if (!(lchr[(int)land.lnd_type].l_flags & L_ASSAULT))
		    continue;
		foundland = 1;
	    }
	    if (!foundland) {
		pr("You don't have any mobility (sector or land units) in %s!\n",
		   xyas(off->x, off->y, player->cnum));
		return RET_SYN;
	    }
	}
    } else {
	att_combat_init(off, EF_SHIP);
	if ((off->shp_uid = atoi(p)) < 0)
	    return RET_SYN;
    }
    if (att_abort(A_BOARD, off, def)) {
	pr("Board aborted\n");
	return RET_OK;
    }

    /* Fire at the attacking ship */

    att_approach(off, def);
    if (att_abort(A_BOARD, off, def)) {
	pr("Board aborted\n");
	att_empty_attack(A_BOARD, 0, def);
	return RET_OK;
    }

    /* Show what we're boarding */
    att_show(def);

    /* Ask the player what he wants to board with */

    att_ask_offense(A_BOARD, off, def, &olist, &a_spy, &a_engineer);
    if (att_abort(A_BOARD, off, def)) {
	pr("Board aborted\n");
	att_empty_attack(A_BOARD, 0, def);
	return att_free_lists(&olist, NULL);
    }

    ototal = att_get_offense(A_BOARD, off, &olist, def);
    if (att_abort(A_BOARD, off, def)) {
	pr("Board aborted\n");
	att_empty_attack(A_BOARD, 0, def);
	return att_free_lists(&olist, NULL);
    }

    /*
     * We have now got all the answers from the boarder.  From this point
     * forward, we can assume that this battle is the _only_ thing
     * happening in the game.
     */

    /* Get the real defense */

    att_get_defense(&olist, def, &dlist, a_spy, ototal);

    /*
     * Death, carnage, and destruction.
     */

    /*
     * Careful: when the fight sinks the ship, put_combat() clobbers
     * *def (see FIXME there).
     */
    def_uid = def->shp_uid;
    def_own = def->own;
    if (!(att_fight(A_BOARD, off, &olist, 1.0, def, &dlist, 1.0))) {
	getship(def_uid, &ship);
	if (ship.shp_rflags & RET_BOARDED) {
	    retreat_ship(&ship, def_own, 'u');
	    putship(def_uid, &ship);
	}
    }

    return RET_OK;
}