git.pond.sub.org Git - empserver/blob - src/lib/commands/work.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  *  work.c: Implementation of the work command
  29  *
  30  *  Known contributors to this file:
  31  *
  32  */
  33
  34 #include "misc.h"
  35 #include "player.h"
  36 #include "var.h"
  37 #include "xy.h"
  38 #include "sect.h"
  39 #include "land.h"
  40 #include "nat.h"
  41 #include "nsc.h"
  42 #include "deity.h"
  43 #include "file.h"
  44 #include "optlist.h"
  45 #include "commands.h"
  46
  47 int
  48 work(void)
  49 {
  50         int     nunits;
  51         struct  nstr_item ni;
  52         struct  sctstr sect;
  53         struct  lndstr land;
  54         int     work_amt, eff_amt, w;
  55         s_char  *p;
  56         extern  int land_mob_max;
  57         coord   donex = 0, doney = 1;
  58         s_char  buf[1024];
  59
  60         if (!snxtitem(&ni, EF_LAND, player->argp[1]))
  61                 return RET_SYN;
  62         p = getstarg(player->argp[2], "Amount: ", buf);
  63         if (p == 0 || *p == 0)
  64                 return RET_SYN;
  65         work_amt = atoi(p);
  66         if ((work_amt<0) || (work_amt > land_mob_max)){
  67                 pr("Mobility used must be from 0 to %d\n",land_mob_max);
  68                 return RET_FAIL;
  69         }
  70         nunits = 0;
  71         while (nxtitem(&ni, (s_char *)&land)) {
  72                 if (!player->owner || land.lnd_own == 0)
  73                         continue;
  74                 if (land.lnd_type < 0 || land.lnd_type > lnd_maxno) {
  75                         pr("bad unit type %d (#%d)\n",
  76                                 land.lnd_type, ni.cur);
  77                         continue;
  78                 }
  79                 if (!(lchr[(int)land.lnd_type].l_flags & L_ENGINEER))
  80                         continue;
  81                 if (land.lnd_mobil <= 0){
  82                         pr("%s has no mobility!\n",
  83                            prland(&land));
  84                         continue;
  85                 }
  86                 getsect(land.lnd_x,land.lnd_y,&sect);
  87                 if (sect.sct_effic >= 100
  88                     && sect.sct_type == sect.sct_newtype) {
  89                         if (sect.sct_x != donex || sect.sct_y != doney)
  90                                 pr("%s is %d%% efficient\n",
  91                                    xyas(sect.sct_x, sect.sct_y, player->cnum),
  92                                    sect.sct_effic);
  93                         /* not perfect, but it'll do -KHS */
  94                         donex = sect.sct_x;
  95                         doney = sect.sct_y;
  96                         continue;
  97                 }
  98                 eff_amt= min(land.lnd_mobil,work_amt);
  99                 w = ldround(((double)eff_amt * land.lnd_effic/600.0),1);
 100                 if (w < 1) {
 101                         pr("%s doesn't work enough to change efficiency (try increasing amount)\n",
 102                            prland(&land));
 103                         continue;
 104                 }
 105                 nunits++;
 106                 eff_amt = ((6 * buildeff(&sect, w, &player->dolcost)) /
 107                            (land.lnd_effic / 100.0));
 108                 land.lnd_mission = 0;
 109                 land.lnd_mobil -= eff_amt;
 110                 pr("%s %s efficiency at %s to %d\n",
 111                    prland(&land),
 112                    sect.sct_type == sect.sct_newtype ? "raised" : "lowered",
 113                    xyas(land.lnd_x,land.lnd_y,player->cnum),
 114                    (int)sect.sct_effic);
 115                 putland(land.lnd_uid,&land);
 116                 putsect(&sect);
 117         }
 118         if (nunits == 0) {
 119                 if (player->argp[1])
 120                         pr("%s: No unit(s)\n", player->argp[1]);
 121                 else
 122                         pr("%s: No unit(s)\n", "");
 123                 return RET_FAIL;
 124         }else
 125                 pr("%d unit%s\n", nunits, splur(nunits));
 126         return RET_OK;
 127 }
 128
 129 int
 130 buildeff(struct sctstr *sp, int work, double *money)
 131 {
 132         int     vec[I_MAX+1];
 133         register int work_cost;
 134         int     n, hcms, lcms;
 135         int     effdone = 0;
 136
 137         getvec(VT_ITEM, vec, (s_char *)sp, EF_SECTOR);
 138
 139         work_cost = 0;
 140         if (sp->sct_type != sp->sct_newtype) {
 141                 /*
 142                  * Tear down existing sector.
 143                  * Easier to destroy than to build.
 144                  */
 145                 work_cost = (sp->sct_effic + 3) / 4;
 146                 if (work_cost > work)
 147                         work_cost = work;
 148                 n = sp->sct_effic - work_cost * 4;
 149                 if (n <= 0) {
 150                         n = 0;
 151                         sp->sct_type = sp->sct_newtype;
 152                 }
 153                 sp->sct_effic = n;
 154                 if (!opt_DEFENSE_INFRA)
 155                   sp->sct_defense = sp->sct_effic;
 156                 work -= work_cost;
 157                 *money += work_cost;
 158                 effdone += work_cost;
 159         }
 160         if (sp->sct_type == sp->sct_newtype) {
 161                 work_cost = 100 - sp->sct_effic;
 162                 if (work_cost > work)
 163                         work_cost = work;
 164
 165                 if (dchr[sp->sct_type].d_lcms>0){
 166                         lcms = vec[I_LCM];
 167                         lcms /= dchr[sp->sct_type].d_lcms;
 168                         if (work_cost > lcms)
 169                                 work_cost = lcms;
 170                 }
 171                 if (dchr[sp->sct_type].d_hcms>0){
 172                         hcms = vec[I_HCM];
 173                         hcms /= dchr[sp->sct_type].d_hcms;
 174                         if (work_cost > hcms)
 175                                 work_cost = hcms;
 176                 }
 177
 178                 sp->sct_effic += work_cost;
 179                 *money += work_cost*dchr[sp->sct_type].d_build;
 180
 181                 if ((dchr[sp->sct_type].d_lcms>0) ||
 182                         (dchr[sp->sct_type].d_hcms>0)){
 183                         vec[I_LCM] -= work_cost * dchr[sp->sct_type].d_lcms;
 184                         vec[I_HCM] -= work_cost * dchr[sp->sct_type].d_hcms;
 185                 }
 186                 effdone += work_cost;
 187         }
 188         putvec(VT_ITEM, vec, (s_char *)sp, EF_SECTOR);
 189         return effdone;
 190 }