git.pond.sub.org Git - empserver/blob - src/lib/commands/sail.c

   1 /*
   2  *  Empire - A multi-player, client/server Internet based war game.
   3  *  Copyright (C) 1986-2006, Dave Pare, Jeff Bailey, Thomas Ruschak,
   4  *                           Ken Stevens, Steve McClure
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  *  ---
  21  *
  22  *  See files README, COPYING and CREDITS in the root of the source
  23  *  tree for related information and legal notices.  It is expected
  24  *  that future projects/authors will amend these files as needed.
  25  *
  26  *  ---
  27  *
  28  *  sail.c: Set sail path for leaders
  29  *
  30  *  Known contributors to this file:
  31  *     Robert Forsman
  32  */
  33
  34 #include <config.h>
  35
  36 #include <ctype.h>
  37 #include "misc.h"
  38 #include "player.h"
  39 #include "ship.h"
  40 #include "path.h"
  41 #include "xy.h"
  42 #include "nsc.h"
  43 #include "file.h"
  44 #include "commands.h"
  45 #include "optlist.h"
  46
  47 static int
  48 show_sail(struct nstr_item *nstr)
  49 {
  50     int count = 0;
  51     struct shpstr ship;
  52
  53     while (nxtitem(nstr, &ship)) {
  54         if (!player->owner || ship.shp_own == 0)
  55             continue;
  56         if (count++ == 0) {
  57             if (player->god)
  58                 pr("own ");
  59             pr("shp#     ship type       x,y    ");
  60             pr("mobil mobquota follows path\n");
  61         }
  62         if (player->god)
  63             pr("%3d ", ship.shp_own);
  64         pr("%4d ", ship.shp_uid);
  65         pr("%-16.16s ", mchr[(int)ship.shp_type].m_name);
  66         prxy("%4d,%-4d ", ship.shp_x, ship.shp_y, player->cnum);
  67         pr("%3d  ", ship.shp_mobil);
  68         pr("   %3d     ", ship.shp_mobquota);
  69         pr("   %3d   ", ship.shp_follow);
  70         if (ship.shp_path[0]) {
  71             pr(ship.shp_path);
  72         } else if ((ship.shp_autonav & AN_AUTONAV)) {
  73             pr("Has orders");
  74         }
  75         pr("\n");
  76         if (ship.shp_name[0] != 0) {
  77             if (player->god)
  78                 pr("    ");
  79             pr("       %s\n", ship.shp_name);
  80         }
  81     }
  82     if (count == 0) {
  83         if (player->argp[1])
  84             pr("%s: No ship(s)\n", player->argp[1]);
  85         else
  86             pr("%s: No ship(s)\n", "");
  87         return RET_FAIL;
  88     } else
  89         pr("%d ship%s\n", count, splur(count));
  90     return RET_OK;
  91 }
  92
  93 static int
  94 cmd_unsail_ship(struct nstr_item *nstr)
  95 {
  96     struct shpstr ship;
  97     int count = 0;
  98
  99     while (nxtitem(nstr, &ship)) {
 100         if (!player->owner || ship.shp_own == 0)
 101             continue;
 102         if (ship.shp_path[0]) {
 103             pr("Ship #%d unsailed\n", ship.shp_uid);
 104             count++;
 105             ship.shp_path[0] = 0;
 106             putship(ship.shp_uid, &ship);
 107         }
 108     }
 109     return RET_OK;
 110 }
 111
 112 static int
 113 cmd_sail_ship(struct nstr_item *nstr)
 114 {
 115     s_char *cp;
 116     struct shpstr ship;
 117     char navpath[MAX_PATH_LEN];
 118
 119     while (!player->aborted && nxtitem(nstr, &ship)) {
 120         if (!player->owner || ship.shp_own == 0)
 121             continue;
 122         if ((ship.shp_autonav & AN_AUTONAV) &&
 123             !(ship.shp_autonav & AN_STANDBY)) {
 124             pr("Ship #%d has other orders!\n", ship.shp_uid);
 125             continue;
 126         }
 127
 128         pr("Ship #%d at %s\n", ship.shp_uid,
 129            xyas(ship.shp_x, ship.shp_y, ship.shp_own));
 130         cp = getpath(navpath, player->argp[2],
 131                      ship.shp_x, ship.shp_y, 0, 0, P_SAILING);
 132         if (!check_ship_ok(&ship))
 133             continue;
 134         if (!player->aborted) {
 135             strncpy(ship.shp_path, cp, sizeof(ship.shp_path) - 2);
 136             ship.shp_mission = 0;
 137             putship(ship.shp_uid, &ship);
 138         }
 139     }
 140     return RET_OK;
 141 }
 142
 143 int
 144 sail(void)
 145 {
 146     s_char *cp;
 147     struct nstr_item nstr;
 148
 149     if (!opt_SAIL) {
 150         pr("The SAIL option is not enabled, so this command is not valid.\n");
 151         return RET_FAIL;
 152     }
 153     if (!snxtitem(&nstr, EF_SHIP, player->argp[1]))
 154         return RET_SYN;
 155     cp = player->argp[2];
 156     if ((*player->argp[0] == 'q') /*qsail command */ ||(cp && *cp == 'q')) {
 157         return show_sail(&nstr);
 158     } else if (*player->argp[0] == 'u'  /*unsail command */
 159                || (cp && *cp == '-')) {
 160         return cmd_unsail_ship(&nstr);
 161     } else
 162         return cmd_sail_ship(&nstr);
 163 }