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neweff production: Consider insufficient food
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1 /*
2  *  Empire - A multi-player, client/server Internet based war game.
3  *  Copyright (C) 1986-2016, Dave Pare, Jeff Bailey, Thomas Ruschak,
4  *                Ken Stevens, Steve McClure, Markus Armbruster
5  *
6  *  Empire 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 3 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, see <http://www.gnu.org/licenses/>.
18  *
19  *  ---
20  *
21  *  See files README, COPYING and CREDITS in the root of the source
22  *  tree for related information and legal notices.  It is expected
23  *  that future projects/authors will amend these files as needed.
24  *
25  *  ---
26  *
27  *  newe.c: Show new sector efficiency (projected)
28  *
29  *  Known contributors to this file:
30  *     Thomas Ruschak, 1993
31  *     Markus Armbruster, 2004-2016
32  */
33
34 #include <config.h>
35
36 #include "commands.h"
37 #include "item.h"
38 #include "optlist.h"
39
40 int
41 newe(void)
42 {
43     struct natstr *natp;
44     struct sctstr sect;
45     struct nstr_sect nstr;
46     double work, lcms, hcms;
47     int nsect;
48     int bwork;
49     int twork;
50     int type;
51     int eff;
52
53     if (!snxtsct(&nstr, player->argp[1]))
54         return RET_SYN;
55     player->simulation = 1;
56     prdate();
57     nsect = 0;
58     while (nxtsct(&nstr, &sect)) {
59         if (!player->owner)
60             continue;
61         if (!sect.sct_off) {
62             natp = getnatp(sect.sct_own);
63             work = do_feed(&sect, natp, etu_per_update, 1);
64             bwork = work / 2;
65
66             type = sect.sct_type;
67             eff = sect.sct_effic;
68             if (sect.sct_newtype != type) {
69                 twork = (eff + 3) / 4;
70                 if (twork > bwork) {
71                     twork = bwork;
72                 }
73                 bwork -= twork;
74                 eff -= twork * 4;
75                 if (eff <= 0) {
76                     type = sect.sct_newtype;
77                     eff = 0;
78                 }
79
80                 twork = 100 - eff;
81                 if (twork > bwork) {
82                     twork = bwork;
83                 }
84                 if (dchr[type].d_lcms > 0) {
85                     lcms = sect.sct_item[I_LCM];
86                     lcms = (int)(lcms / dchr[type].d_lcms);
87                     if (twork > lcms)
88                         twork = lcms;
89                 }
90                 if (dchr[type].d_hcms > 0) {
91                     hcms = sect.sct_item[I_HCM];
92                     hcms = (int)(hcms / dchr[type].d_hcms);
93                     if (twork > hcms)
94                         twork = hcms;
95                 }
96                 eff += twork;
97             } else if (eff < 100) {
98                 twork = 100 - eff;
99                 if (twork > bwork) {
100                     twork = bwork;
101                 }
102                 if (dchr[type].d_lcms > 0) {
103                     lcms = sect.sct_item[I_LCM];
104                     lcms = (int)(lcms / dchr[type].d_lcms);
105                     if (twork > lcms)
106                         twork = lcms;
107                 }
108                 if (dchr[type].d_hcms > 0) {
109                     hcms = sect.sct_item[I_HCM];
110                     hcms = (int)(hcms / dchr[type].d_hcms);
111                     if (twork > hcms)
112                         twork = hcms;
113                 }
114                 eff += twork;
115             }
116         } else {
117             eff = sect.sct_effic;
118             type = sect.sct_type;
119         }
120         if (nsect++ == 0) {
121             pr("EFFICIENCY SIMULATION\n");
122             pr("   sect  des    projected eff\n");
123         }
124         prxy("%4d,%-4d", nstr.x, nstr.y);
125         pr(" %c", dchr[type].d_mnem);
126         pr("    %3d%%\n", eff);
127     }
128     player->simulation = 0;
129     if (nsect == 0) {
130         if (player->argp[1])
131             pr("%s: No sector(s)\n", player->argp[1]);
132         else
133             pr("%s: No sector(s)\n", "");
134         return RET_FAIL;
135     } else
136         pr("%d sector%s\n", nsect, splur(nsect));
137     return RET_OK;
138 }