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) 1986-2007, 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 "commands.h"
  37 #include "optlist.h"
  38 #include "path.h"
  39 #include "ship.h"
  40
  41 static int
  42 show_sail(struct nstr_item *nstr)
  43 {
  44     int count = 0;
  45     struct shpstr ship;
  46
  47     while (nxtitem(nstr, &ship)) {
  48         if (!player->owner || ship.shp_own == 0)
  49             continue;
  50         if (count++ == 0) {
  51             if (player->god)
  52                 pr("own ");
  53             pr("shp#     ship type       x,y    ");
  54             pr("mobil mobquota follows path\n");
  55         }
  56         if (player->god)
  57             pr("%3d ", ship.shp_own);
  58         pr("%4d ", ship.shp_uid);
  59         pr("%-16.16s ", mchr[(int)ship.shp_type].m_name);
  60         prxy("%4d,%-4d ", ship.shp_x, ship.shp_y, player->cnum);
  61         pr("%3d  ", ship.shp_mobil);
  62         pr("   %3d     ", ship.shp_mobquota);
  63         pr("   %3d   ", ship.shp_follow);
  64         if (ship.shp_path[0]) {
  65             pr("%s", ship.shp_path);
  66         } else if ((ship.shp_autonav & AN_AUTONAV)) {
  67             pr("Has orders");
  68         }
  69         pr("\n");
  70         if (ship.shp_name[0] != 0) {
  71             if (player->god)
  72                 pr("    ");
  73             pr("       %s\n", ship.shp_name);
  74         }
  75     }
  76     if (count == 0) {
  77         if (player->argp[1])
  78             pr("%s: No ship(s)\n", player->argp[1]);
  79         else
  80             pr("%s: No ship(s)\n", "");
  81         return RET_FAIL;
  82     } else
  83         pr("%d ship%s\n", count, splur(count));
  84     return RET_OK;
  85 }
  86
  87 static int
  88 cmd_unsail_ship(struct nstr_item *nstr)
  89 {
  90     struct shpstr ship;
  91     int count = 0;
  92
  93     while (nxtitem(nstr, &ship)) {
  94         if (!player->owner || ship.shp_own == 0)
  95             continue;
  96         if (ship.shp_path[0]) {
  97             pr("Ship #%d unsailed\n", ship.shp_uid);
  98             count++;
  99             ship.shp_path[0] = 0;
 100             putship(ship.shp_uid, &ship);
 101         }
 102     }
 103     return RET_OK;
 104 }
 105
 106 static int
 107 cmd_sail_ship(struct nstr_item *nstr)
 108 {
 109     char *cp;
 110     struct shpstr ship;
 111     char navpath[MAX_PATH_LEN];
 112
 113     while (!player->aborted && nxtitem(nstr, &ship)) {
 114         if (!player->owner || ship.shp_own == 0)
 115             continue;
 116         if ((ship.shp_autonav & AN_AUTONAV) &&
 117             !(ship.shp_autonav & AN_STANDBY)) {
 118             pr("Ship #%d has other orders!\n", ship.shp_uid);
 119             continue;
 120         }
 121
 122         pr("Ship #%d at %s\n", ship.shp_uid,
 123            xyas(ship.shp_x, ship.shp_y, ship.shp_own));
 124         cp = getpath(navpath, player->argp[2],
 125                      ship.shp_x, ship.shp_y, 0, 0, P_SAILING);
 126         if (!check_ship_ok(&ship))
 127             continue;
 128         if (!player->aborted) {
 129             strncpy(ship.shp_path, cp, sizeof(ship.shp_path) - 2);
 130             ship.shp_mission = 0;
 131             putship(ship.shp_uid, &ship);
 132         }
 133     }
 134     return RET_OK;
 135 }
 136
 137 int
 138 sail(void)
 139 {
 140     char *cp;
 141     struct nstr_item nstr;
 142
 143     if (!opt_SAIL) {
 144         pr("The SAIL option is not enabled, so this command is not valid.\n");
 145         return RET_FAIL;
 146     }
 147     if (!snxtitem(&nstr, EF_SHIP, player->argp[1]))
 148         return RET_SYN;
 149     cp = player->argp[2];
 150     if (*player->argp[0] == 'u' || (cp && !strcmp(cp, "-")))
 151         return cmd_unsail_ship(&nstr);
 152     if (cp && *cp == 'q')
 153         return show_sail(&nstr);
 154     return cmd_sail_ship(&nstr);
 155 }