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) 1986-2005, 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 "ship.h"
  38 #include "path.h"
  39 #include "xy.h"
  40 #include "nsc.h"
  41 #include "file.h"
  42 #include "commands.h"
  43 #include "optlist.h"
  44
  45 static int
  46 show_sail(struct nstr_item *nstr)
  47 {
  48     int count = 0;
  49     struct shpstr ship;
  50
  51     while (nxtitem(nstr, (s_char *)&ship)) {
  52         if (!player->owner || ship.shp_own == 0)
  53             continue;
  54         if (ship.shp_type < 0 || ship.shp_type > shp_maxno) {
  55             pr("bad ship type %d (#%d)\n", ship.shp_type, nstr->cur);
  56             continue;
  57         }
  58         if (count++ == 0) {
  59             if (player->god)
  60                 pr("own ");
  61             pr("shp#     ship type       x,y    ");
  62             pr("mobil mobquota follows path\n");
  63         }
  64         if (player->god)
  65             pr("%3d ", ship.shp_own);
  66         pr("%4d ", ship.shp_uid);
  67         pr("%-16.16s ", mchr[(int)ship.shp_type].m_name);
  68         prxy("%4d,%-4d ", ship.shp_x, ship.shp_y, player->cnum);
  69         pr("%3d  ", ship.shp_mobil);
  70         pr("   %3d     ", ship.shp_mobquota);
  71         pr("   %3d   ", ship.shp_follow);
  72         if (ship.shp_path[0]) {
  73             pr(ship.shp_path);
  74         } else if ((ship.shp_autonav & AN_AUTONAV)) {
  75             pr("Has orders");
  76         }
  77         pr("\n");
  78         if (opt_SHIPNAMES) {
  79             if (ship.shp_name[0] != 0) {
  80                 if (player->god)
  81                     pr("    ");
  82                 pr("       %s\n", ship.shp_name);
  83             }
  84         }
  85     }
  86     if (count == 0) {
  87         if (player->argp[1])
  88             pr("%s: No ship(s)\n", player->argp[1]);
  89         else
  90             pr("%s: No ship(s)\n", "");
  91         return RET_FAIL;
  92     } else
  93         pr("%d ship%s\n", count, splur(count));
  94     return RET_OK;
  95 }
  96
  97 static int
  98 cmd_unsail_ship(struct nstr_item *nstr)
  99 {
 100     struct shpstr ship;
 101     int count = 0;
 102
 103     while (nxtitem(nstr, (s_char *)&ship)) {
 104         if (!player->owner || ship.shp_own == 0)
 105             continue;
 106         if (ship.shp_type < 0 || ship.shp_type > shp_maxno) {
 107             pr("bad ship type %d (#%d)\n", ship.shp_type, nstr->cur);
 108             continue;
 109         }
 110         if (ship.shp_path[0]) {
 111             pr("Ship #%d unsailed\n", ship.shp_uid);
 112             count++;
 113             ship.shp_path[0] = 0;
 114             putship(ship.shp_uid, &ship);
 115         }
 116     }
 117     return RET_OK;
 118 }
 119
 120 static int
 121 cmd_sail_ship(struct nstr_item *nstr)
 122 {
 123     s_char *cp;
 124     struct shpstr ship;
 125     char navpath[MAX_PATH_LEN];
 126
 127     while (!player->aborted && nxtitem(nstr, (s_char *)&ship)) {
 128         if (!player->owner || ship.shp_own == 0)
 129             continue;
 130         if (ship.shp_type < 0 || ship.shp_type > shp_maxno) {
 131             pr("bad ship type %d (#%d)\n", ship.shp_type, nstr->cur);
 132             continue;
 133         }
 134         if ((ship.shp_autonav & AN_AUTONAV) &&
 135             !(ship.shp_autonav & AN_STANDBY)) {
 136             pr("Ship #%d has other orders!\n", ship.shp_uid);
 137             continue;
 138         }
 139
 140         pr("Ship #%d at %s\n", ship.shp_uid,
 141            xyas(ship.shp_x, ship.shp_y, ship.shp_own));
 142         cp = getpath(navpath, player->argp[2],
 143                      ship.shp_x, ship.shp_y, 0, 0, 0, P_SAILING);
 144         if (!check_ship_ok(&ship))
 145             continue;
 146         if (!player->aborted) {
 147             strncpy(ship.shp_path, cp, sizeof(ship.shp_path) - 2);
 148             ship.shp_mission = 0;
 149             putship(ship.shp_uid, &ship);
 150         }
 151     }
 152     return RET_OK;
 153 }
 154
 155 int
 156 sail(void)
 157 {
 158     s_char *cp;
 159     struct nstr_item nstr;
 160
 161     if (!opt_SAIL) {
 162         pr("The SAIL option is not enabled, so this command is not valid.\n");
 163         return RET_FAIL;
 164     }
 165     if (!snxtitem(&nstr, EF_SHIP, player->argp[1]))
 166         return RET_SYN;
 167     cp = player->argp[2];
 168     if ((*player->argp[0] == 'q') /*qsail command */ ||(cp && *cp == 'q')) {
 169         return (show_sail(&nstr));
 170     } else if (*player->argp[0] == 'u'  /*unsail command */
 171                || (cp && *cp == '-')) {
 172         return (cmd_unsail_ship(&nstr));
 173     } else
 174         return (cmd_sail_ship(&nstr));
 175 }