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) 1986-2004, 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 "commands.h"
  45 #include "optlist.h"
  46
  47 static int
  48 show_sail(struct nstr_item *nstr)
  49 {
  50     register int count = 0;
  51     struct shpstr ship;
  52
  53     while (nxtitem(nstr, (s_char *)&ship)) {
  54         if (!player->owner || ship.shp_own == 0)
  55             continue;
  56         if (ship.shp_type < 0 || ship.shp_type > shp_maxno) {
  57             pr("bad ship type %d (#%d)\n", ship.shp_type, nstr->cur);
  58             continue;
  59         }
  60         if (count++ == 0) {
  61             if (player->god)
  62                 pr("own ");
  63             pr("shp#     ship type       x,y    ");
  64             pr("mobil mobquota follows path\n");
  65         }
  66         if (player->god)
  67             pr("%3d ", ship.shp_own);
  68         pr("%4d ", ship.shp_uid);
  69         pr("%-16.16s ", mchr[(int)ship.shp_type].m_name);
  70         prxy("%4d,%-4d ", ship.shp_x, ship.shp_y, player->cnum);
  71         pr("%3d  ", ship.shp_mobil);
  72         pr("   %3d     ", ship.shp_mobquota);
  73         pr("   %3d   ", ship.shp_follow);
  74         if (ship.shp_path[0]) {
  75             pr(ship.shp_path);
  76         } else if ((ship.shp_autonav & AN_AUTONAV)) {
  77             pr("Has orders");
  78         }
  79         pr("\n");
  80         if (opt_SHIPNAMES) {
  81             if (ship.shp_name[0] != 0) {
  82                 if (player->god)
  83                     pr("    ");
  84                 pr("       %s\n", ship.shp_name);
  85             }
  86         }
  87     }
  88     if (count == 0) {
  89         if (player->argp[1])
  90             pr("%s: No ship(s)\n", player->argp[1]);
  91         else
  92             pr("%s: No ship(s)\n", "");
  93         return RET_FAIL;
  94     } else
  95         pr("%d ship%s\n", count, splur(count));
  96     return RET_OK;
  97 }
  98
  99 static int
 100 cmd_unsail_ship(struct nstr_item *nstr)
 101 {
 102     struct shpstr ship;
 103     int count = 0;
 104
 105     while (nxtitem(nstr, (s_char *)&ship)) {
 106         if (!player->owner || ship.shp_own == 0)
 107             continue;
 108         if (ship.shp_type < 0 || ship.shp_type > shp_maxno) {
 109             pr("bad ship type %d (#%d)\n", ship.shp_type, nstr->cur);
 110             continue;
 111         }
 112         if (ship.shp_path[0]) {
 113             pr("Ship #%d unsailed\n", ship.shp_uid);
 114             count++;
 115             ship.shp_path[0] = 0;
 116             putship(ship.shp_uid, &ship);
 117         }
 118     }
 119     return RET_OK;
 120 }
 121
 122 static int
 123 cmd_sail_ship(struct nstr_item *nstr)
 124 {
 125     s_char *cp;
 126     struct shpstr ship;
 127     char navpath[MAX_PATH_LEN];
 128
 129     while (!player->aborted && nxtitem(nstr, (s_char *)&ship)) {
 130         if (!player->owner || ship.shp_own == 0)
 131             continue;
 132         if (ship.shp_type < 0 || ship.shp_type > shp_maxno) {
 133             pr("bad ship type %d (#%d)\n", ship.shp_type, nstr->cur);
 134             continue;
 135         }
 136         if ((ship.shp_autonav & AN_AUTONAV) &&
 137             !(ship.shp_autonav & AN_STANDBY)) {
 138             pr("Ship #%d has other orders!\n", ship.shp_uid);
 139             continue;
 140         }
 141
 142         pr("Ship #%d at %s\n", ship.shp_uid,
 143            xyas(ship.shp_x, ship.shp_y, ship.shp_own));
 144         cp = getpath(navpath, player->argp[2],
 145                      ship.shp_x, ship.shp_y, 0, 0, 0, P_SAILING);
 146         if (!check_ship_ok(&ship))
 147             continue;
 148         if (!player->aborted) {
 149             strncpy(ship.shp_path, cp, sizeof(ship.shp_path) - 2);
 150             ship.shp_mission = 0;
 151             putship(ship.shp_uid, &ship);
 152         }
 153     }
 154     return RET_OK;
 155 }
 156
 157 int
 158 sail(void)
 159 {
 160     s_char *cp;
 161     struct nstr_item nstr;
 162
 163     if (!opt_SAIL) {
 164         pr("The SAIL option is not enabled, so this command is not valid.\n");
 165         return RET_FAIL;
 166     }
 167     if (!snxtitem(&nstr, EF_SHIP, player->argp[1]))
 168         return RET_SYN;
 169     cp = player->argp[2];
 170     if ((*player->argp[0] == 'q') /*qsail command */ ||(cp && *cp == 'q')) {
 171         return (show_sail(&nstr));
 172     } else if (*player->argp[0] == 'u'  /*unsail command */
 173                || (cp && *cp == '-')) {
 174         return (cmd_unsail_ship(&nstr));
 175     } else
 176         return (cmd_sail_ship(&nstr));
 177 }