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
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.
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.
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
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.
28 * distribute.c: Do distribution to sectors
30 * Known contributors to this file:
44 #include "distribute.h"
48 #include "prototypes.h"
51 dodistribute(struct sctstr *sp, int imex, s_char *path, double dist_i_cost,
53 /* import or export? */
67 int remote[I_MAX + 1];
73 getvec(VT_ITEM, local, (s_char *)sp, EF_SECTOR);
74 if ((sp->sct_dist_x == sp->sct_x) && (sp->sct_dist_y == sp->sct_y))
77 if (path == (s_char *)0) {
78 if (sp->sct_own != 0) {
79 if (imex == EXPORT) /* only want this once */
80 wu(0, sp->sct_own, "No path to dist sector for %s\n",
86 dist = getsectp(sp->sct_dist_x, sp->sct_dist_y);
87 if (dist->sct_effic >= 60)
88 dist_packing = dchr[dist->sct_type].d_pkg;
90 dist_packing = NPKG; /* No packing */
92 if (sp->sct_effic >= 60)
93 packing = dchr[sp->sct_type].d_pkg;
95 packing = NPKG; /* No packing */
97 if ((dist->sct_effic >= 60) && dchr[dist->sct_type].d_pkg == WPKG)
98 packing = dchr[dist->sct_type].d_pkg;
100 getvec(VT_ITEM, remote, (s_char *)dist, EF_SECTOR);
101 lplague = rplague = changed = 0;
102 for (item = 1; item < I_MAX + 1; item++) {
103 if (sp->sct_dist[item] == 0)
106 thresh = sp->sct_dist[item];
108 * calculate costs for importing and exporting.
109 * the div 10.0 is because delivering straight through
110 * to the dist sect is cheaper than stopping at each
111 * sector along the way (processor-timewise)
113 excost = (dist_e_cost / ip->i_pkg[packing] * ip->i_lbs) / 10.0;
115 (dist_i_cost / ip->i_pkg[dist_packing] * ip->i_lbs) / 10.0;
116 amt_sect = local[item];
117 amt_dist = remote[item];
118 diff = amt_sect - thresh;
120 if (sp->sct_own != sp->sct_oldown)
123 if (dist->sct_own != dist->sct_oldown)
129 if (!military_control(dist))
135 * don't import if no mobility.
136 * check to make sure have enough mobility in the
137 * dist sector to import what we need.
139 if (dist->sct_mobil <= 0) {
140 /*logerror(" dist mobil < 0"); */
145 amt_dist--; /* Don't send your last civ */
147 if (amt_dist < amt) {
152 if (dist->sct_mobil < imcost * amt)
153 amt = dist->sct_mobil / imcost;
156 /* XXX replace with vector assign and putvec() */
159 dist->sct_mobil -= (int)(imcost * amt);
164 if (!military_control(sp))
166 if ((item == I_CIVIL) && (sp->sct_work < 100))
168 if ((item == I_CIVIL) && (sp->sct_own != sp->sct_oldown))
172 * don't export if no mobility. check to make sure we
173 * have mobility enough to do the right thing.
174 * also make sure that there's enough space in the
175 * target sector to hold the required amt.
177 if (sp->sct_mobil <= 0) {
178 /*logerror(" sp mob is zero"); */
184 if (sp->sct_mobil < excost * amt)
185 amt = sp->sct_mobil / excost;
186 if (amt + amt_dist > 9999)
187 amt = 9999 - amt_dist;
190 /* XXX replace with vector assign and putvec() */
195 sp->sct_mobil -= (int)(excost * amt);
199 putvec(VT_ITEM, remote, (s_char *)dist, EF_SECTOR);
200 putvec(VT_ITEM, local, (s_char *)sp, EF_SECTOR);
203 lplague = dist->sct_pstage;
204 if (lplague == PLG_INFECT && sp->sct_pstage == PLG_HEALTHY)
205 sp->sct_pstage = PLG_EXPOSED;
209 rplague = sp->sct_pstage;
210 if (rplague == PLG_INFECT && dist->sct_pstage == PLG_HEALTHY)
211 dist->sct_pstage = PLG_EXPOSED;