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, &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 (ship.shp_name[0] != 0) {
  79             if (player->god)
  80                 pr("    ");
  81             pr("       %s\n", ship.shp_name);
  82         }
  83     }
  84     if (count == 0) {
  85         if (player->argp[1])
  86             pr("%s: No ship(s)\n", player->argp[1]);
  87         else
  88             pr("%s: No ship(s)\n", "");
  89         return RET_FAIL;
  90     } else
  91         pr("%d ship%s\n", count, splur(count));
  92     return RET_OK;
  93 }
  94
  95 static int
  96 cmd_unsail_ship(struct nstr_item *nstr)
  97 {
  98     struct shpstr ship;
  99     int count = 0;
 100
 101     while (nxtitem(nstr, &ship)) {
 102         if (!player->owner || ship.shp_own == 0)
 103             continue;
 104         if (ship.shp_type < 0 || ship.shp_type > shp_maxno) {
 105             pr("bad ship type %d (#%d)\n", ship.shp_type, nstr->cur);
 106             continue;
 107         }
 108         if (ship.shp_path[0]) {
 109             pr("Ship #%d unsailed\n", ship.shp_uid);
 110             count++;
 111             ship.shp_path[0] = 0;
 112             putship(ship.shp_uid, &ship);
 113         }
 114     }
 115     return RET_OK;
 116 }
 117
 118 static int
 119 cmd_sail_ship(struct nstr_item *nstr)
 120 {
 121     s_char *cp;
 122     struct shpstr ship;
 123     char navpath[MAX_PATH_LEN];
 124
 125     while (!player->aborted && nxtitem(nstr, &ship)) {
 126         if (!player->owner || ship.shp_own == 0)
 127             continue;
 128         if (ship.shp_type < 0 || ship.shp_type > shp_maxno) {
 129             pr("bad ship type %d (#%d)\n", ship.shp_type, nstr->cur);
 130             continue;
 131         }
 132         if ((ship.shp_autonav & AN_AUTONAV) &&
 133             !(ship.shp_autonav & AN_STANDBY)) {
 134             pr("Ship #%d has other orders!\n", ship.shp_uid);
 135             continue;
 136         }
 137
 138         pr("Ship #%d at %s\n", ship.shp_uid,
 139            xyas(ship.shp_x, ship.shp_y, ship.shp_own));
 140         cp = getpath(navpath, player->argp[2],
 141                      ship.shp_x, ship.shp_y, 0, 0, P_SAILING);
 142         if (!check_ship_ok(&ship))
 143             continue;
 144         if (!player->aborted) {
 145             strncpy(ship.shp_path, cp, sizeof(ship.shp_path) - 2);
 146             ship.shp_mission = 0;
 147             putship(ship.shp_uid, &ship);
 148         }
 149     }
 150     return RET_OK;
 151 }
 152
 153 int
 154 sail(void)
 155 {
 156     s_char *cp;
 157     struct nstr_item nstr;
 158
 159     if (!opt_SAIL) {
 160         pr("The SAIL option is not enabled, so this command is not valid.\n");
 161         return RET_FAIL;
 162     }
 163     if (!snxtitem(&nstr, EF_SHIP, player->argp[1]))
 164         return RET_SYN;
 165     cp = player->argp[2];
 166     if ((*player->argp[0] == 'q') /*qsail command */ ||(cp && *cp == 'q')) {
 167         return show_sail(&nstr);
 168     } else if (*player->argp[0] == 'u'  /*unsail command */
 169                || (cp && *cp == '-')) {
 170         return cmd_unsail_ship(&nstr);
 171     } else
 172         return cmd_sail_ship(&nstr);
 173 }