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) 1986-2014, Dave Pare, Jeff Bailey, Thomas Ruschak,
   4  *                Ken Stevens, Steve McClure, Markus Armbruster
   5  *
   6  *  Empire 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 3 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, see <http://www.gnu.org/licenses/>.
  18  *
  19  *  ---
  20  *
  21  *  See files README, COPYING and CREDITS in the root of the source
  22  *  tree for related information and legal notices.  It is expected
  23  *  that future projects/authors will amend these files as needed.
  24  *
  25  *  ---
  26  *
  27  *  sail.c: Set sail path for leaders
  28  *
  29  *  Known contributors to this file:
  30  *     Robert Forsman
  31  */
  32
  33 #include <config.h>
  34
  35 #include "commands.h"
  36 #include "optlist.h"
  37 #include "path.h"
  38 #include "ship.h"
  39
  40 static int
  41 show_sail(struct nstr_item *nstr)
  42 {
  43     int count = 0;
  44     struct shpstr ship;
  45
  46     while (nxtitem(nstr, &ship)) {
  47         if (!player->owner || ship.shp_own == 0)
  48             continue;
  49         if (count++ == 0) {
  50             if (player->god)
  51                 pr("own ");
  52             pr("shp#     ship type       x,y    ");
  53             pr("mobil mobquota follows path\n");
  54         }
  55         if (player->god)
  56             pr("%3d ", ship.shp_own);
  57         pr("%4d ", ship.shp_uid);
  58         pr("%-16.16s ", mchr[(int)ship.shp_type].m_name);
  59         prxy("%4d,%-4d ", ship.shp_x, ship.shp_y);
  60         pr("%3d  ", ship.shp_mobil);
  61         pr("   %3d     ", ship.shp_mobquota);
  62         pr("   %3d   ", ship.shp_follow);
  63         if (ship.shp_path[0]) {
  64             pr("%s", ship.shp_path);
  65         }
  66         pr("\n");
  67         if (ship.shp_name[0] != 0) {
  68             if (player->god)
  69                 pr("    ");
  70             pr("       %s\n", ship.shp_name);
  71         }
  72     }
  73     if (count == 0) {
  74         if (player->argp[1])
  75             pr("%s: No ship(s)\n", player->argp[1]);
  76         else
  77             pr("%s: No ship(s)\n", "");
  78         return RET_FAIL;
  79     } else
  80         pr("%d ship%s\n", count, splur(count));
  81     return RET_OK;
  82 }
  83
  84 static int
  85 cmd_unsail_ship(struct nstr_item *nstr)
  86 {
  87     struct shpstr ship;
  88     int count = 0;
  89
  90     while (nxtitem(nstr, &ship)) {
  91         if (!player->owner || ship.shp_own == 0)
  92             continue;
  93         if (ship.shp_path[0]) {
  94             pr("Ship #%d unsailed\n", ship.shp_uid);
  95             count++;
  96             ship.shp_path[0] = 0;
  97             putship(ship.shp_uid, &ship);
  98         }
  99     }
 100     return RET_OK;
 101 }
 102
 103 static int
 104 cmd_sail_ship(struct nstr_item *nstr)
 105 {
 106     char *cp;
 107     struct shpstr ship;
 108     char navpath[MAX_PATH_LEN];
 109
 110     while (nxtitem(nstr, &ship)) {
 111         if (!player->owner || ship.shp_own == 0)
 112             continue;
 113
 114         pr("Ship #%d at %s\n", ship.shp_uid,
 115            xyas(ship.shp_x, ship.shp_y, player->cnum));
 116         cp = getpath(navpath, player->argp[2],
 117                      ship.shp_x, ship.shp_y, 0, 0, MOB_SAIL);
 118         if (!cp)
 119             return RET_FAIL;
 120         if (!check_ship_ok(&ship))
 121             continue;
 122         strncpy(ship.shp_path, cp, sizeof(ship.shp_path) - 1);
 123         ship.shp_mission = 0;
 124         putship(ship.shp_uid, &ship);
 125     }
 126     return RET_OK;
 127 }
 128
 129 int
 130 sail(void)
 131 {
 132     char *cp;
 133     struct nstr_item nstr;
 134
 135     if (!opt_SAIL) {
 136         pr("The SAIL option is not enabled, so this command is not valid.\n");
 137         return RET_FAIL;
 138     }
 139     if (!snxtitem(&nstr, EF_SHIP, player->argp[1], NULL))
 140         return RET_SYN;
 141     cp = player->argp[2];
 142     if (*player->argp[0] == 'u' || (cp && !strcmp(cp, "-")))
 143         return cmd_unsail_ship(&nstr);
 144     if (cp && *cp == 'q')
 145         return show_sail(&nstr);
 146     return cmd_sail_ship(&nstr);
 147 }