src/lib/commands/retr.c

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/*
 *  Empire - A multi-player, client/server Internet based war game.
 *  Copyright (C) 1986-2007, Dave Pare, Jeff Bailey, Thomas Ruschak,
 *                           Ken Stevens, Steve McClure
 *
 *  This program 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
 *  (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, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *  ---
 *
 *  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.
 *
 *  ---
 *
 *  retr.c: Set retreat conditionals for ships
 * 
 *  Known contributors to this file:
 *     Ken Stevens, 1995
 *     Steve McClure, 2000
 */

#include <config.h>

#include <ctype.h>
#include "commands.h"
#include "land.h"
#include "path.h"
#include "retreat.h"
#include "ship.h"

int
retr(void)
{
    char *pq, *fl;
    int nships;
    struct nstr_item ni;
    struct shpstr ship;
    int isfleet = 0;
    int rflags = -2;
    int zero;
    unsigned i;
    char buf1[1024];
    char buf2[1024];

    if (!snxtitem(&ni, EF_SHIP, player->argp[1]))
        return RET_SYN;
    nships = 0;
    if (player->argp[1] != NULL)
        if (isalpha(player->argp[1][0]))
            isfleet = RET_GROUP;
    if (player->argp[2] != NULL)
        pq = getstarg(player->argp[2], "Retreat path? ", buf1);
    else
        pq = NULL;

    if (pq != NULL) {
        fl = getstarg(player->argp[3],
                      "Retreat conditions [i|t|s|h|b|d|u|c]? ", buf2);
        if (!fl)
            return RET_SYN;
        rflags = 0 | isfleet;

        for (i = 0; i < strlen(fl); i++) {
            switch (fl[i]) {
            case 'I':
            case 'i':
                rflags |= RET_INJURED;
                break;
            case 'T':
            case 't':
                rflags |= RET_TORPED;
                break;
            case 'S':
            case 's':
                rflags |= RET_SONARED;
                break;
            case 'H':
            case 'h':
                rflags |= RET_HELPLESS;
                break;
            case 'B':
            case 'b':
                rflags |= RET_BOMBED;
                break;
            case 'D':
            case 'd':
                rflags |= RET_DCHRGED;
                break;
            case 'U':
            case 'u':
                rflags |= RET_BOARDED;
                break;
            case 'C':
            case 'c':
                rflags = -1;
                break;
            default:
                pr("bad condition\n");
                /* fall through */
            case '?':
                pr("i\tretreat when injured\n");
                pr("t\tretreat when torped\n");
                pr("s\tretreat when sonared\n");
                pr("h\tretreat when helpless\n");
                pr("b\tretreat when bombed\n");
                pr("d\tretreat when depth-charged\n");
                pr("u\tretreat when boarded\n");
            }
        }
        if (rflags == isfleet) {
            pr("Must give retreat conditions!\n");
            return RET_FAIL;
        }
    }

    if (rflags == -1)
        pq = NULL;

    zero = (rflags == -1);
    if (zero)
        rflags = 0;

    while (nxtitem(&ni, &ship)) {
        if (!player->owner || ship.shp_own == 0)
            continue;
        if (zero)
            memset(ship.shp_rpath, 0, sizeof(ship.shp_rpath));

        if (pq != NULL) {
            strncpy(ship.shp_rpath, pq, sizeof(ship.shp_rpath) - 1);
            putship(ship.shp_uid, &ship);
        }
        if (rflags >= 0) {
            ship.shp_rflags = rflags;
            putship(ship.shp_uid, &ship);
        }
        if (nships++ == 0) {
            if (player->god)
                pr("own ");
            pr("shp#     ship type       x,y   fl path       as flt? flags\n");
        }
        if (player->god)
            pr("%3d ", ship.shp_own);
        pr("%4d ", ni.cur);
        pr("%-16.16s ", mchr[(int)ship.shp_type].m_name);
        prxy("%4d,%-4d ", ship.shp_x, ship.shp_y, player->cnum);
        pr("%1.1s", &ship.shp_fleet);
        pr(" %-11s", ship.shp_rpath);
        if (ship.shp_rflags & RET_GROUP)
            pr("Yes     ");
        else
            pr("        ");
        if (ship.shp_rflags & RET_INJURED)
            pr("I");
        if (ship.shp_rflags & RET_TORPED)
            pr("T");
        if (ship.shp_rflags & RET_SONARED)
            pr("S");
        if (ship.shp_rflags & RET_HELPLESS)
            pr("H");
        if (ship.shp_rflags & RET_BOMBED)
            pr("B");
        if (ship.shp_rflags & RET_DCHRGED)
            pr("D");
        if (ship.shp_rflags & RET_BOARDED)
            pr("U");
        pr("\n");
    }
    if (nships == 0) {
        if (player->argp[1])
            pr("%s: No ship(s)\n", player->argp[1]);
        else
            pr("%s: No ship(s)\n", "");
        return RET_FAIL;
    } else
        pr("%d ship%s\n", nships, splur(nships));
    return RET_OK;
}

int
lretr(void)
{
    char *pq, *fl;
    int nunits;
    struct nstr_item ni;
    struct lndstr land;
    int isarmy = 0;
    int rflags = -2;
    int zero;
    char buf1[1024];
    char buf2[1024];
    unsigned i;

    if (!snxtitem(&ni, EF_LAND, player->argp[1]))
        return RET_SYN;
    nunits = 0;
    if (player->argp[1] != NULL)
        if (isalpha(player->argp[1][0]))
            isarmy = RET_GROUP;
    if (player->argp[2] != NULL)
        pq = getstarg(player->argp[2], "Retreat path? ", buf1);
    else
        pq = NULL;
    if (pq != NULL) {
        fl = getstarg(player->argp[3], "Retreat conditions [i|h|b|c]? ",
                      buf2);
        if (!fl)
            return RET_SYN;
        rflags = 0 | isarmy;

        for (i = 0; i < strlen(fl); i++) {
            switch (fl[i]) {
            case 'I':
            case 'i':
                rflags |= RET_INJURED;
                break;
            case 'H':
            case 'h':
                rflags |= RET_HELPLESS;
                break;
            case 'B':
            case 'b':
                rflags |= RET_BOMBED;
                break;
            case 'C':
            case 'c':
                rflags = -1;
                break;
            default:
                pr("bad condition\n");
                /* fall through */
            case '?':
                pr("i\tretreat when injured\n");
                pr("h\tretreat when helpless\n");
                pr("b\tretreat when bombed\n");
            }
        }
        if (rflags == isarmy) {
            pr("Must give retreat conditions!\n");
            return RET_FAIL;
        }
    }

    if (rflags == -1)
        pq = NULL;

    zero = (rflags == -1);
    if (zero)
        rflags = 0;

    while (nxtitem(&ni, &land)) {
        if (!player->owner || land.lnd_own == 0)
            continue;
        if (zero)
            memset(land.lnd_rpath, 0, sizeof(land.lnd_rpath));

        if (pq != NULL) {
            strncpy(land.lnd_rpath, pq, sizeof(land.lnd_rpath) - 1);
            putland(land.lnd_uid, &land);
        }
        if (rflags >= 0) {
            land.lnd_rflags = rflags;
            putland(land.lnd_uid, &land);
        }

        if (nunits++ == 0) {
            if (player->god)
                pr("own ");
            pr("lnd#     unit type       x,y   ar path       as army? flags\n");
        }
        if (player->god)
            pr("%3d ", land.lnd_own);
        pr("%4d ", ni.cur);
        pr("%-16.16s ", lchr[(int)land.lnd_type].l_name);
        prxy("%4d,%-4d ", land.lnd_x, land.lnd_y, player->cnum);
        pr("%1.1s", &land.lnd_army);
        pr(" %-11s", land.lnd_rpath);
        if (land.lnd_rflags & RET_GROUP)
            pr("Yes      ");
        else
            pr("         ");
        if (land.lnd_rflags & RET_INJURED)
            pr("I");
        if (land.lnd_rflags & RET_TORPED)
            pr("T");
        if (land.lnd_rflags & RET_SONARED)
            pr("S");
        if (land.lnd_rflags & RET_HELPLESS)
            pr("H");
        if (land.lnd_rflags & RET_BOMBED)
            pr("B");
        if (land.lnd_rflags & RET_DCHRGED)
            pr("D");
        if (land.lnd_rflags & RET_BOARDED)
            pr("U");
        pr("\n");
    }
    if (nunits == 0) {
        if (player->argp[1])
            pr("%s: No unit(s)\n", player->argp[1]);
        else
            pr("%s: No unit(s)\n", "");
        return RET_FAIL;
    }
    pr("%d unit%s\n", nunits, splur(nunits));
    return RET_OK;
}

---