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) 1986-2000, 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 the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
  23  *  related information and legal notices. It is expected that any future
  24  *  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 <ctype.h>
  35 #include "misc.h"
  36 #include "player.h"
  37 #include "var.h"
  38 #include "ship.h"
  39 #include "path.h"
  40 #include "xy.h"
  41 #include "nsc.h"
  42 #include "file.h"
  43 #include "nat.h"
  44 #include "deity.h"
  45 #include "commands.h"
  46 #include "optlist.h"
  47
  48 static int
  49 show_sail(struct nstr_item *nstr)
  50 {
  51     register int count = 0;
  52     struct shpstr ship;
  53
  54     while (nxtitem(nstr, (s_char *)&ship)) {
  55         if (!player->owner || ship.shp_own == 0)
  56             continue;
  57         if (ship.shp_type < 0 || ship.shp_type > shp_maxno) {
  58             pr("bad ship type %d (#%d)\n", ship.shp_type, nstr->cur);
  59             continue;
  60         }
  61         if (count++ == 0) {
  62             if (player->god)
  63                 pr("own ");
  64             pr("shp#     ship type       x,y    ");
  65             pr("mobil mobquota follows path\n");
  66         }
  67         if (player->god)
  68             pr("%3d ", ship.shp_own);
  69         pr("%4d ", ship.shp_uid);
  70         pr("%-16.16s ", mchr[(int)ship.shp_type].m_name);
  71         prxy("%4d,%-4d ", ship.shp_x, ship.shp_y, player->cnum);
  72         pr("%3d  ", ship.shp_mobil);
  73         pr("   %3d     ", ship.shp_mobquota);
  74         pr("   %3d   ", ship.shp_follow);
  75         if (ship.shp_path[0]) {
  76             pr(ship.shp_path);
  77         } else if ((ship.shp_autonav & AN_AUTONAV)) {
  78             pr("Has orders");
  79         }
  80         pr("\n");
  81         if (opt_SHIPNAMES) {
  82             if (ship.shp_name[0] != 0) {
  83                 if (player->god)
  84                     pr("    ");
  85                 pr("       %s\n", ship.shp_name);
  86             }
  87         }
  88     }
  89     if (count == 0) {
  90         if (player->argp[1])
  91             pr("%s: No ship(s)\n", player->argp[1]);
  92         else
  93             pr("%s: No ship(s)\n", "");
  94         return RET_FAIL;
  95     } else
  96         pr("%d ship%s\n", count, splur(count));
  97     return RET_OK;
  98 }
  99
 100 static int
 101 cmd_unsail_ship(struct nstr_item *nstr)
 102 {
 103     struct shpstr ship;
 104     int count = 0;
 105
 106     while (nxtitem(nstr, (s_char *)&ship)) {
 107         if (!player->owner || ship.shp_own == 0)
 108             continue;
 109         if (ship.shp_type < 0 || ship.shp_type > shp_maxno) {
 110             pr("bad ship type %d (#%d)\n", ship.shp_type, nstr->cur);
 111             continue;
 112         }
 113         if (ship.shp_path[0]) {
 114             pr("Ship #%d unsailed\n", ship.shp_uid);
 115             count++;
 116             ship.shp_path[0] = 0;
 117             putship(ship.shp_uid, &ship);
 118         }
 119     }
 120     return RET_OK;
 121 }
 122
 123 static int
 124 cmd_sail_ship(struct nstr_item *nstr)
 125 {
 126     s_char *cp;
 127     struct shpstr ship;
 128     char navpath[MAX_PATH_LEN];
 129
 130     while (!player->aborted && nxtitem(nstr, (s_char *)&ship)) {
 131         if (!player->owner || ship.shp_own == 0)
 132             continue;
 133         if (ship.shp_type < 0 || ship.shp_type > shp_maxno) {
 134             pr("bad ship type %d (#%d)\n", ship.shp_type, nstr->cur);
 135             continue;
 136         }
 137         if ((ship.shp_autonav & AN_AUTONAV) &&
 138             !(ship.shp_autonav & AN_STANDBY)) {
 139             pr("Ship #%d has other orders!\n", ship.shp_uid);
 140             continue;
 141         }
 142
 143         pr("Ship #%d at %s\n", ship.shp_uid,
 144            xyas(ship.shp_x, ship.shp_y, ship.shp_own));
 145         cp = getpath(navpath, player->argp[2],
 146                      ship.shp_x, ship.shp_y, 0, 0, 0, P_SAILING);
 147         if (!check_ship_ok(&ship))
 148             continue;
 149         if (!player->aborted) {
 150             bzero(ship.shp_path, sizeof(ship.shp_path));
 151             strncpy(ship.shp_path, cp, sizeof(ship.shp_path) - 2);
 152             ship.shp_mission = 0;
 153             putship(ship.shp_uid, &ship);
 154         }
 155     }
 156     return RET_OK;
 157 }
 158
 159 int
 160 sail(void)
 161 {
 162     s_char *cp;
 163     struct nstr_item nstr;
 164
 165     if (!opt_SAIL) {
 166         pr("The SAIL option is not enabled, so this command is not valid.\n");
 167         return RET_FAIL;
 168     }
 169     if (!snxtitem(&nstr, EF_SHIP, player->argp[1]))
 170         return RET_SYN;
 171     cp = player->argp[2];
 172     if ((*player->argp[0] == 'q') /*qsail command */ ||(cp && *cp == 'q')) {
 173         return (show_sail(&nstr));
 174     } else if (*player->argp[0] == 'u' /*unsail command */
 175                || (cp && *cp == '-')) {
 176         return (cmd_unsail_ship(&nstr));
 177     } else
 178         return (cmd_sail_ship(&nstr));
 179 }