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",
  59                                         ship.shp_type, nstr->cur);
  60                         continue;
  61                 }
  62                 if (count++==0) {
  63                         if (player->god)
  64                                 pr("own ");
  65                         pr("shp#     ship type       x,y    ");
  66                         pr("mobil mobquota follows path\n");
  67                 }
  68                 if (player->god)
  69                         pr("%3d ",ship.shp_own);
  70                 pr("%4d ", ship.shp_uid);
  71                 pr("%-16.16s ", mchr[(int)ship.shp_type].m_name);
  72                 prxy("%4d,%-4d ", ship.shp_x, ship.shp_y, player->cnum);
  73                 pr("%3d  ",ship.shp_mobil);
  74                 pr("   %3d     ",ship.shp_mobquota);
  75                 pr("   %3d   ",ship.shp_follow);
  76                 if (ship.shp_path[0]) {
  77                         pr(ship.shp_path);
  78                 } else if ((ship.shp_autonav & AN_AUTONAV)) {
  79                         pr("Has orders");
  80                 }
  81                 pr("\n");
  82                 if (opt_SHIPNAMES) {
  83                     if (ship.shp_name[0] != 0) {
  84                         if (player->god)
  85                             pr("    ");
  86                         pr("       %s\n",ship.shp_name);
  87                     }
  88                 }
  89         }
  90         if (count == 0) {
  91                 if (player->argp[1])
  92                         pr("%s: No ship(s)\n", player->argp[1]);
  93                 else
  94                         pr("%s: No ship(s)\n", "");
  95                 return RET_FAIL;
  96         }else
  97                 pr("%d ship%s\n", count, splur(count));
  98         return RET_OK;
  99 }
 100
 101 static int
 102 cmd_unsail_ship(struct nstr_item *nstr)
 103 {
 104         struct shpstr ship;
 105         int count = 0;
 106
 107         while (nxtitem(nstr, (s_char *)&ship)) {
 108                 if (!player->owner || ship.shp_own==0)
 109                         continue;
 110                 if (ship.shp_type < 0 || ship.shp_type > shp_maxno) {
 111                         pr("bad ship type %d (#%d)\n",
 112                                         ship.shp_type, nstr->cur);
 113                         continue;
 114                 }
 115                 if (ship.shp_path[0]) {
 116                         pr("Ship #%d unsailed\n",ship.shp_uid);
 117                         count++;
 118                         ship.shp_path[0] = 0;
 119                         putship(ship.shp_uid, &ship);
 120                 }
 121         }
 122         return RET_OK;
 123 }
 124
 125 static int
 126 cmd_sail_ship(struct nstr_item *nstr)
 127 {
 128         s_char  *cp;
 129         struct shpstr ship;
 130         char    navpath[MAX_PATH_LEN];
 131
 132         while (!player->aborted && nxtitem(nstr, (s_char *)&ship)) {
 133                 if (!player->owner || ship.shp_own==0)
 134                         continue;
 135                 if (ship.shp_type < 0 || ship.shp_type > shp_maxno) {
 136                         pr("bad ship type %d (#%d)\n",
 137                                         ship.shp_type, nstr->cur);
 138                         continue;
 139                 }
 140                 if ((ship.shp_autonav & AN_AUTONAV) &&
 141                                 !(ship.shp_autonav & AN_STANDBY)) {
 142                         pr("Ship #%d has other orders!\n",
 143                                 ship.shp_uid);
 144                         continue;
 145                 }
 146
 147                 pr("Ship #%d at %s\n", ship.shp_uid,
 148                         xyas(ship.shp_x,ship.shp_y,ship.shp_own));
 149                 cp = getpath(navpath, player->argp[2],
 150                         ship.shp_x, ship.shp_y, 0, 0, 0, P_SAILING);
 151                 if (!check_ship_ok(&ship))
 152                     continue;
 153                 if (!player->aborted) {
 154                         bzero(ship.shp_path, sizeof(ship.shp_path));
 155                         strncpy(ship.shp_path, cp, sizeof(ship.shp_path)-2);
 156                         ship.shp_mission = 0;
 157                         putship(ship.shp_uid, &ship);
 158                 }
 159         }
 160         return RET_OK;
 161 }
 162
 163 int
 164 sail(void)
 165 {
 166         s_char  *cp;
 167         struct  nstr_item nstr;
 168
 169         if (!opt_SAIL) {
 170             pr("The SAIL option is not enabled, so this command is not valid.\n");
 171             return RET_FAIL;
 172         }
 173         if (!snxtitem(&nstr, EF_SHIP, player->argp[1]))
 174                 return RET_SYN;
 175         cp = player->argp[2];
 176         if ( (*player->argp[0]=='q')/*qsail command*/ || (cp && *cp=='q') ) {
 177                 return(show_sail(&nstr));
 178         } else if ( *player->argp[0]=='u' /*unsail command*/ || (cp && *cp=='-')) {
 179                 return(cmd_unsail_ship(&nstr));
 180         } else
 181                 return(cmd_sail_ship(&nstr));
 182 }
 183