/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Copyright (C) 1986-2004, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program is free software; you can redistribute it and/or modify
#include "common.h"
#include "prototypes.h"
+#define EXPORT_BONUS 10.0
+#define IMPORT_BONUS 10.0
+
+#ifndef MAX
+#define MAX(x,y) ((x) < (y) ? (y) : (x))
+#endif
+
int
dodistribute(struct sctstr *sp, int imex, s_char *path, double dist_i_cost,
double dist_e_cost)
int thresh;
int amt_dist;
int amt_sect;
- int packing;
- float imcost;
- float excost;
- int dist_packing;
+ i_packing sect_packing, dist_packing;
+ int pack;
+ double mcost;
int diff;
int item;
- int dists[I_MAX + 1];
- int remote[I_MAX + 1];
- int local[I_MAX + 1];
int changed;
int rplague;
int lplague;
- getvec(VT_ITEM, local, (s_char *)sp, EF_SECTOR);
if ((sp->sct_dist_x == sp->sct_x) && (sp->sct_dist_y == sp->sct_y))
return 0;
- if (getvec(VT_DIST, dists, (s_char *)sp, EF_SECTOR) <= 0)
- return 0;
-
if (path == (s_char *)0) {
if (sp->sct_own != 0) {
if (imex == EXPORT) /* only want this once */
}
dist = getsectp(sp->sct_dist_x, sp->sct_dist_y);
- if (dist->sct_effic >= 60)
- dist_packing = dchr[dist->sct_type].d_pkg;
- else
- dist_packing = NPKG; /* No packing */
+ dist_packing = dist->sct_effic >= 60 ? dchr[dist->sct_type].d_pkg : IPKG;
+ sect_packing = sp->sct_effic >= 60 ? dchr[sp->sct_type].d_pkg : IPKG;
- if (sp->sct_effic >= 60)
- packing = dchr[sp->sct_type].d_pkg;
- else
- packing = NPKG; /* No packing */
-
- if ((dist->sct_effic >= 60) && dchr[dist->sct_type].d_pkg == WPKG)
- packing = dchr[dist->sct_type].d_pkg;
-
- getvec(VT_ITEM, remote, (s_char *)dist, EF_SECTOR);
lplague = rplague = changed = 0;
for (item = 1; item < I_MAX + 1; item++) {
- if (dists[item] == 0)
+ if (sp->sct_dist[item] == 0)
continue;
ip = &ichr[item];
- thresh = dists[item];
+ thresh = sp->sct_dist[item];
/*
* calculate costs for importing and exporting.
- * the div 10.0 is because delivering straight through
+ * the mob bonus is because delivering straight through
* to the dist sect is cheaper than stopping at each
* sector along the way (processor-timewise)
*/
- excost = (dist_e_cost / ip->i_pkg[packing] * ip->i_lbs) / 10.0;
- imcost =
- (dist_i_cost / ip->i_pkg[dist_packing] * ip->i_lbs) / 10.0;
- amt_sect = local[item];
- amt_dist = remote[item];
+ amt_sect = sp->sct_item[item];
+ amt_dist = dist->sct_item[item];
diff = amt_sect - thresh;
if (item == I_CIVIL)
if (sp->sct_own != sp->sct_oldown)
if (amt_dist == 0)
continue;
}
- if (dist->sct_mobil < imcost * amt)
- amt = dist->sct_mobil / imcost;
+ pack = ip->i_pkg[dist_packing];
+ mcost = dist_i_cost / pack * ip->i_lbs / IMPORT_BONUS;
+ if (dist->sct_mobil < mcost * amt)
+ amt = dist->sct_mobil / mcost;
lplague++;
- /* XXX replace with vector assign and putvec() */
- remote[item] -= amt;
+ dist->sct_item[item] -= amt;
changed++;
- dist->sct_mobil -= (int)(imcost * amt);
- local[item] += amt;
+ dist->sct_mobil -= (int)(mcost * amt);
+ sp->sct_item[item] += amt;
} else {
if (imex != EXPORT)
continue;
amt = diff;
if (amt > amt_sect)
amt = amt_sect;
- if (sp->sct_mobil < excost * amt)
- amt = sp->sct_mobil / excost;
- if (amt + amt_dist > 9999)
- amt = 9999 - amt_dist;
+ pack = MAX(ip->i_pkg[sect_packing], ip->i_pkg[dist_packing]);
+ mcost = dist_e_cost / pack * ip->i_lbs / EXPORT_BONUS;
+ if (sp->sct_mobil < mcost * amt)
+ amt = sp->sct_mobil / mcost;
+ if (amt > ITEM_MAX - amt_dist)
+ amt = ITEM_MAX - amt_dist;
if (amt == 0)
continue;
- /* XXX replace with vector assign and putvec() */
rplague++;
- local[item] -= amt;
+ sp->sct_item[item] -= amt;
changed++;
- sp->sct_mobil -= (int)(excost * amt);
- remote[item] += amt;
+ sp->sct_mobil -= (int)(mcost * amt);
+ dist->sct_item[item] += amt;
}
}
- putvec(VT_ITEM, remote, (s_char *)dist, EF_SECTOR);
- putvec(VT_ITEM, local, (s_char *)sp, EF_SECTOR);
if (lplague) {
- lplague = getvar(V_PSTAGE, (s_char *)dist, EF_SECTOR);
- if (lplague == PLG_INFECT &&
- getvar(V_PSTAGE, (s_char *)sp, EF_SECTOR) == PLG_HEALTHY) {
- putvar(V_PSTAGE, PLG_EXPOSED, (s_char *)sp, EF_SECTOR);
- }
+ lplague = dist->sct_pstage;
+ if (lplague == PLG_INFECT && sp->sct_pstage == PLG_HEALTHY)
+ sp->sct_pstage = PLG_EXPOSED;
}
if (rplague) {
- rplague = getvar(V_PSTAGE, (s_char *)sp, EF_SECTOR);
- if (rplague == PLG_INFECT &&
- getvar(V_PSTAGE, (s_char *)dist, EF_SECTOR) == PLG_HEALTHY) {
- putvar(V_PSTAGE, PLG_EXPOSED, (s_char *)dist, EF_SECTOR);
- }
+ rplague = sp->sct_pstage;
+ if (rplague == PLG_INFECT && dist->sct_pstage == PLG_HEALTHY)
+ dist->sct_pstage = PLG_EXPOSED;
}
return changed;