git.pond.sub.org Git - empserver/blob - src/lib/commands/stre.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  *  stre.c: Calculate military strengths of sectors
  29  *
  30  *  Known contributors to this file:
  31  *     Ken Stevens, 1995
  32  */
  33
  34 #include <math.h>
  35 #include "misc.h"
  36 #include "player.h"
  37 #include "file.h"
  38 #include "var.h"
  39 #include "sect.h"
  40 #include "path.h"
  41 #include "news.h"
  42 #include "treaty.h"
  43 #include "nat.h"
  44 #include "xy.h"
  45 #include "land.h"
  46 #include "nsc.h"
  47 #include "mission.h"
  48 #include "ship.h"
  49 #include "combat.h"
  50 #include "commands.h"
  51
  52 static double units_in_sector(struct combat *def);
  53 static void stre_hdr(void);
  54
  55 int
  56 stre(void)
  57 {
  58         struct  sctstr sect;
  59         int     nsect = 0;
  60         struct  nstr_sect nstr;
  61         double  dtotal, r_total, eff;
  62         struct  combat  def[1];
  63         int     dummy;
  64         int     mines;
  65
  66         if (!snxtsct(&nstr, player->argp[1]))
  67                 return RET_SYN;
  68         prdate();
  69         nsect = 0;
  70         att_combat_init(def, EF_SECTOR);
  71         while (nxtsct(&nstr, &sect)) {
  72                 if (!player->owner)
  73                         continue;
  74                 if (nsect++ == 0)
  75                         stre_hdr();
  76                 if (player->god)
  77                         pr("%3d ", sect.sct_own);
  78                 prxy("%4d,%-4d", nstr.x, nstr.y, player->cnum);
  79                 pr(" %c", dchr[sect.sct_type].d_mnem);
  80                 pr("%4d%%", sect.sct_effic);
  81                 def->x = nstr.x;
  82                 def->y = nstr.y;
  83                 def->set = 0;
  84                 att_get_combat(def, 1);
  85                 if (def->mil)
  86                         pr("%5d", def->mil);
  87                 else
  88                         pr("%5s", "");
  89                 dtotal = units_in_sector(def);
  90                 if (dtotal > 0)
  91                         pr("%7d", (int)dtotal);
  92                 else
  93                         pr("%7s", "");
  94
  95                 r_total = att_reacting_units(def, 0, 0, &dummy, 9999999);
  96                 def->own = 0;
  97                 eff = att_combat_eff(def);
  98                 if (sect.sct_own == sect.sct_oldown) {
  99                         mines = getvar(V_MINE, (s_char *)&sect, EF_SECTOR);
 100                         if (mines > 0)
 101                                 pr("%7d", mines);
 102                         else
 103                                 pr("%7s", "");
 104                         eff *= (1.0 + min(mines,20) * 0.02);
 105                 } else {
 106                         pr("%7s", "?");
 107                 }
 108                 pr("%6.2f", eff);
 109                 pr("%9d", (int)((dtotal + def->mil) * eff));
 110                 if (r_total > 0)
 111                         pr(" %9d", (int)(r_total * eff));
 112                 else
 113                         pr(" %9s", "");
 114                 pr("%9d\n", (int)((dtotal + def->mil + r_total) * eff));
 115         }
 116         if (!nsect) {
 117                 if (player->argp[1])
 118                         pr("%s: No sector(s)\n", player->argp[1]);
 119                 else
 120                         pr("%s: No sector(s)\n", "");
 121                 return RET_FAIL;
 122         } else
 123                 pr("%d sector%s\n", nsect, splur(nsect));
 124         return 0;
 125 }
 126
 127 static double
 128 units_in_sector(struct combat *def)
 129 {
 130         double d_unit;
 131         double dtotal = 0.0;
 132         struct  nstr_item ni;
 133         struct  lndstr land;
 134
 135         snxtitem_xy(&ni,EF_LAND,def->x, def->y);
 136         while(nxtitem(&ni,(s_char *)&land)){
 137                 if (land.lnd_own == 0)
 138                         continue;
 139                 if (land.lnd_own != def->own)
 140                         continue;
 141                 if (land.lnd_ship >= 0)
 142                         continue;
 143                 d_unit = defense_val(&land);
 144                 if (!has_supply(&land))
 145                         d_unit /= 2.0;
 146                 dtotal += d_unit;
 147         }
 148         return dtotal;
 149 }
 150
 151 static void
 152 stre_hdr(void)
 153 {
 154         if (player->god)
 155                 pr("    ");
 156         pr("DEFENSE STRENGTH               land  sect   sector  reacting    total\n");
 157         if (player->god)
 158                 pr("own ");
 159         pr("  sect       eff  mil  units  mines  mult  defense     units  defense\n");
 160 }
 161