git.pond.sub.org Git - empserver/blob - src/lib/commands/marc.c

   1 /*
   2  *  Empire - A multi-player, client/server Internet based war game.
   3  *  Copyright (C) 1986-2007, 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 files README, COPYING and CREDITS in the root of the source
  23  *  tree for related information and legal notices.  It is expected
  24  *  that future projects/authors will amend these files as needed.
  25  *
  26  *  ---
  27  *
  28  *  marc.c: March units around
  29  *
  30  *  Known contributors to this file:
  31  *     Thomas Ruschak
  32  *     Ken Stevens, 1995 (rewrite)
  33  *     Ron Koenderink, 2006-2007
  34  */
  35
  36 #include <config.h>
  37
  38 #include <ctype.h>
  39 #include "commands.h"
  40 #include "file.h"
  41 #include "map.h"
  42 #include "path.h"
  43 #include "empobj.h"
  44 #include "unit.h"
  45
  46 int
  47 march(void)
  48 {
  49     struct nstr_item ni_land;
  50     struct emp_qelem land_list;
  51     double minmob, maxmob;
  52     int together;
  53     char *cp = NULL;
  54     int leader_uid;
  55     struct empobj *leader;
  56     int dir;
  57     int stopping = 0;
  58     int skip = 0;
  59     char buf[1024];
  60     char prompt[128];
  61     char scanspace[1024];
  62     char bmap_flag;
  63     int ac;
  64
  65     if (!snxtitem(&ni_land, EF_LAND, player->argp[1]))
  66         return RET_SYN;
  67     lnd_sel(&ni_land, &land_list);
  68     lnd_mar(&land_list, &minmob, &maxmob, &together, player->cnum);
  69     if (QEMPTY(&land_list)) {
  70         pr("No lands\n");
  71         return RET_FAIL;
  72     }
  73     leader = get_leader(&land_list);
  74     leader_uid = leader->uid;
  75     pr("Leader is %s\n", obj_nameof(leader));
  76     if (player->argp[2]) {
  77         strcpy(buf, player->argp[2]);
  78         if (!(cp = lnd_path(together, (struct lndstr *)leader, buf)))
  79             cp = player->argp[2];
  80     }
  81
  82     while (!QEMPTY(&land_list)) {
  83         char dp[80];
  84
  85         if (cp == NULL || *cp == '\0' || stopping) {
  86             stopping = 0;
  87             lnd_mar(&land_list, &minmob, &maxmob, &together, player->cnum);
  88             if (QEMPTY(&land_list)) {
  89                 pr("No lands left\n");
  90                 return RET_OK;
  91             }
  92             leader = get_leader(&land_list);
  93             if (leader->uid != leader_uid) {
  94                 leader_uid = leader->uid;
  95                 pr_leader_change(leader);
  96                 stopping = 1;
  97                 continue;
  98             }
  99             if (!skip)
 100                 nav_map(leader->x, leader->y, 1);
 101             else
 102                 skip = 0;
 103             sprintf(prompt, "<%.1f:%.1f: %s> ", maxmob,
 104                     minmob, xyas(leader->x, leader->y, player->cnum));
 105             cp = getstring(prompt, buf);
 106 /* Just in case any of our lands were shelled while we were at the
 107  * prompt, we call lnd_mar() again.
 108  */
 109             lnd_mar(&land_list, &minmob, &maxmob, &together, player->cnum);
 110             if (QEMPTY(&land_list)) {
 111                 pr("No lands left\n");
 112                 return RET_OK;
 113             }
 114             leader = get_leader(&land_list);
 115             if (leader->uid != leader_uid) {
 116                 leader_uid = leader->uid;
 117                 pr_leader_change(leader);
 118                 stopping = 1;
 119                 continue;
 120             }
 121             if (cp && !(cp = lnd_path(together, (struct lndstr *)leader, buf)))
 122                 cp = buf;
 123         }
 124         if (cp == NULL || *cp == '\0')
 125             cp = &dirch[DIR_STOP];
 126         dir = chkdir(*cp, DIR_STOP, DIR_LAST);
 127         if (dir >= 0) {
 128             stopping |=
 129                 lnd_mar_one_sector(&land_list, dir, player->cnum, together);
 130             cp++;
 131             continue;
 132         }
 133         ac = parse(cp, player->argp, NULL, scanspace, NULL);
 134         if (ac <= 1) {
 135             sprintf(dp, "%d", leader->uid);
 136             player->argp[1] = dp;
 137             cp++;
 138         } else
 139             cp = NULL;
 140         bmap_flag = 0;
 141         switch (*player->argp[0]) {
 142         case 'B':
 143             bmap_flag = 'b';
 144             /*
 145              * fall through
 146              */
 147         case 'M':
 148             do_map(bmap_flag, EF_LAND, player->argp[1], player->argp[2]);
 149             skip = 1;
 150             continue;
 151         case 'f':
 152             if (ac <= 1)
 153                 switch_leader(&land_list, -1);
 154             else
 155                 switch_leader(&land_list, atoi(player->argp[1]));
 156             leader = get_leader(&land_list);
 157             if (leader->uid != leader_uid) {
 158                 leader_uid = leader->uid;
 159                 pr_leader_change(leader);
 160             }
 161             continue;
 162         case 'i':
 163             lnd_list(&land_list);
 164             continue;
 165         case 'm':
 166             lnd_sweep(&land_list, 1, 1, player->cnum);
 167             stopping |= lnd_check_mines(&land_list);
 168             continue;
 169         case 'r':
 170             radar(EF_LAND);
 171             skip = 1;
 172             player->btused++;
 173             continue;
 174         case 'l':
 175             llook();
 176             player->btused++;
 177             continue;
 178         case 'd':
 179             if (ac == 2) {
 180                 player->argp[2] = player->argp[1];
 181                 sprintf(dp, "%d", leader->uid);
 182                 player->argp[1] = dp;
 183             }
 184             landmine();
 185             skip = 1;
 186             player->btused++;
 187             continue;
 188         }
 189         direrr("`%c' to stop", 0, 0);
 190         pr(", `i' to list units, `f' to change leader,\n");
 191         pr("`r' to radar, `l' to look, `M' to map, `B' to bmap,\n");
 192         pr("`d' to drop mines, and `m' to minesweep\n");
 193         stopping = 1;
 194     }
 195     return RET_OK;
 196 }