git.pond.sub.org Git - empserver/blob - src/lib/commands/newe.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  *  newe.c: Show new sector efficiency (projected)
  29  *
  30  *  Known contributors to this file:
  31  *     Thomas Ruschak, 1993
  32  */
  33
  34 #include "misc.h"
  35 #include "player.h"
  36 #include "var.h"
  37 #include "xy.h"
  38 #include "nsc.h"
  39 #include "sect.h"
  40 #include "product.h"
  41 #include "nat.h"
  42 #include "item.h"
  43 #include "file.h"
  44 #include "commands.h"
  45
  46 int
  47 newe(void)
  48 {
  49         extern  double obrate, uwbrate;
  50         extern  int etu_per_update;
  51         struct  natstr *natp;
  52         struct  sctstr sect;
  53         struct  nstr_sect nstr;
  54         double  work, wforce, lcms, hcms;
  55         int     items[I_MAX+1];
  56         int     nsect;
  57         int     civs=0;
  58         int     uws=0;
  59         int     bwork;
  60         int     twork;
  61         int     type;
  62         int     eff;
  63         int     maxpop;
  64
  65         if (!snxtsct(&nstr, player->argp[1]))
  66                 return RET_SYN;
  67         player->simulation = 1;
  68         prdate();
  69         nsect = 0;
  70         while (nxtsct(&nstr, &sect)) {
  71                 if (!player->owner)
  72                         continue;
  73                 if (!sect.sct_off) {
  74                     getvec(VT_ITEM, items, (s_char *)&sect, EF_SECTOR);
  75
  76                     civs = min(999, (int) ((obrate * (double) etu_per_update + 1.0)
  77                                            * (double) items[I_CIVIL]));
  78                     uws = min(999, (int) ((uwbrate * (double) etu_per_update + 1.0)
  79                                           * (double) items[I_UW]));
  80                     natp = getnatp(sect.sct_own);
  81                     maxpop = max_pop((float)natp->nat_level[NAT_RLEV], &sect);
  82                     civs = min(civs, maxpop);
  83                     uws = min(uws, maxpop);
  84                     /* This isn't quite right, since research might rise/fall */
  85                     /* during the update, but it's the best we can really do  */
  86                     wforce = (int)
  87                         ((civs * sect.sct_work) / 100.0
  88                          + uws + items[I_MILIT] * 2 / 5.0);
  89
  90                     work = etu_per_update * wforce / 100.0;
  91                     bwork = work/2;
  92
  93                     type = sect.sct_type;
  94                     eff = sect.sct_effic;
  95                     if(sect.sct_newtype != type) {
  96                         twork = (eff+3)/4;
  97                         if(twork > bwork) {
  98                             twork = bwork;
  99                         }
 100                         work -= twork;
 101                         bwork -= twork;
 102                         eff -= twork*4;
 103                         if(eff <= 0) {
 104                             type = sect.sct_newtype;
 105                             eff = 0;
 106                         }
 107
 108                         twork = 100 - eff;
 109                         if(twork > bwork) {
 110                             twork = bwork;
 111                         }
 112                         if (dchr[type].d_lcms>0){
 113                             lcms = items[I_LCM];
 114                             lcms = (int)(lcms/dchr[type].d_lcms);
 115                             if (twork > lcms)
 116                                 twork = lcms;
 117                         }
 118                         if (dchr[type].d_hcms>0){
 119                             hcms = items[I_HCM];
 120                             hcms = (int)(hcms/dchr[type].d_hcms);
 121                             if (twork > hcms)
 122                                 twork = hcms;
 123                         }
 124                         work -= twork;
 125                         eff += twork;
 126                     }
 127                     else if(eff < 100) {
 128                         twork = 100 - eff;
 129                         if(twork > bwork) {
 130                             twork = bwork;
 131                         }
 132                         if (dchr[type].d_lcms>0){
 133                             lcms = items[I_LCM];
 134                             lcms = (int)(lcms/dchr[type].d_lcms);
 135                             if (twork > lcms)
 136                                 twork = lcms;
 137                         }
 138                         if (dchr[type].d_hcms>0){
 139                             hcms = items[I_HCM];
 140                             hcms = (int)(hcms/dchr[type].d_hcms);
 141                             if (twork > hcms)
 142                                 twork = hcms;
 143                         }
 144                         work -= twork;
 145                         eff += twork;
 146                     }
 147                 } else {
 148                     eff = sect.sct_effic;
 149                     type = sect.sct_type;
 150                 }
 151                 if (nsect++ == 0) {
 152                         pr("EFFICIENCY SIMULATION\n");
 153                         pr("   sect  des    projected eff\n");
 154                 }
 155                 prxy("%4d,%-4d", nstr.x, nstr.y, player->cnum);
 156                 pr(" %c", dchr[type].d_mnem);
 157                 pr("    %3d%%\n", eff);
 158         }
 159         player->simulation = 0;
 160         if (nsect == 0) {
 161                 if (player->argp[1])
 162                         pr("%s: No sector(s)\n", player->argp[1]);
 163                 else
 164                         pr("%s: No sector(s)\n", "");
 165                 return RET_FAIL;
 166         }else
 167                 pr("%d sector%s\n", nsect, splur(nsect));
 168         return RET_OK;
 169 }
 170