]> git.pond.sub.org Git - empserver/blobdiff - src/lib/update/distribute.c
Remove dodistribute() parameter path
[empserver] / src / lib / update / distribute.c
index 95b2d3d82918727c8fa57dda79b5803eb6fe2765..7f86179e71d319bce58e146e7c7563b1dbcccba9 100644 (file)
@@ -1,6 +1,6 @@
 /*
  *  Empire - A multi-player, client/server Internet based war game.
- *  Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ *  Copyright (C) 1986-2010, Dave Pare, Jeff Bailey, Thomas Ruschak,
  *                           Ken Stevens, Steve McClure
  *
  *  This program is free software; you can redistribute it and/or modify
  *
  *  ---
  *
- *  See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
- *  related information and legal notices. It is expected that any future
- *  projects/authors will amend these files as needed.
+ *  See files README, COPYING and CREDITS in the root of the source
+ *  tree for related information and legal notices.  It is expected
+ *  that future projects/authors will amend these files as needed.
  *
  *  ---
  *
  *  distribute.c: Do distribution to sectors
- * 
+ *
  *  Known contributors to this file:
  *     Dave Pare, 1986
  *     Steve McClure, 1998
  */
 
-#include <stdlib.h>
-#include "misc.h"
-#include "var.h"
-#include "nat.h"
-#include "sect.h"
+#include <config.h>
+
+#include "distribute.h"
 #include "item.h"
-#include "xy.h"
 #include "path.h"
-#include "file.h"
-#include "distribute.h"
+#include "plague.h"
+#include "prototypes.h"
 #include "update.h"
-#include "subs.h"
-#include "common.h"
+
+#ifdef DISTRIBUTE_DEBUG
+#define DPRINTF(fmt, ...) ((void)printf(fmt , ## __VA_ARGS__))
+#else
+#define DPRINTF(fmt, ...) ((void)0)
+#endif
+
+#define EXPORT_BONUS 10.0
+#define IMPORT_BONUS 10.0
 
 int
-dodistribute(struct sctstr *sp, int imex, s_char *path, double dist_i_cost, double dist_e_cost)
-          /* import or export? */
+dodistribute(struct sctstr *sp, int imex,
+            double dist_i_cost, double dist_e_cost)
 {
-       struct  sctstr *getdistsp();
-       float   distpathcost();
-       struct ichrstr *ip;
-       struct sctstr *dist;
-       int     amt;
-       int     thresh;
-       int     amt_dist;
-       int     amt_sect;
-       int     packing;
-       float   imcost;
-       float   excost;
-       int     dist_packing;
-       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 */
-                       wu(0,sp->sct_own,"No path to dist sector for %s\n",
-                               ownxy(sp));
-               }
-               return 0;
+    struct ichrstr *ip;
+    struct sctstr *dist;
+    int amt;
+    int thresh;
+    int amt_dist;
+    int amt_sect;
+    enum i_packing sect_packing, dist_packing;
+    int pack;
+    double mcost;
+    int diff;
+    i_type item;
+    int changed;
+    int rplague;
+    int lplague;
+
+    if ((sp->sct_dist_x == sp->sct_x) && (sp->sct_dist_y == sp->sct_y))
+       return 0;
+
+    if (dist_e_cost < 0.0) {
+       if (sp->sct_own != 0) {
+           if (imex == EXPORT) /* only want this once */
+               wu(0, sp->sct_own, "No path to dist sector for %s\n",
+                  ownxy(sp));
        }
-
-       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 */
-       
-       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)
-                       continue;
-               ip = &ichr[item];
-               thresh = dists[item];
-               /*
-                * calculate costs for importing and exporting.
-                * the div 10.0 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];
-               diff = amt_sect - thresh;
-               if (item == I_CIVIL)
-                       if (sp->sct_own != sp->sct_oldown)
-                               continue;
-               if (item == I_CIVIL)
-                       if (dist->sct_own != dist->sct_oldown)
-                               continue;
-               if (diff < 0){
-                       if (imex != IMPORT)
-                               continue;
-
-                       if (!military_control(dist))
-                               continue;
-
-                       diff = -diff;
-                       /*
-                        * import.
-                        * don't import if no mobility.
-                        * check to make sure have enough mobility in the
-                        * dist sector to import what we need.
-                        */
-                       if (dist->sct_mobil <= 0) {
-                               /*logerror("  dist mobil < 0");*/
-                               continue;
-                       }
-                       amt = diff;
-                       if (item == I_CIVIL)
-                               amt_dist--;     /* Don't send your last civ */
-
-                       if (amt_dist < amt) {
-                               amt = amt_dist;
-                               if (amt_dist == 0)
-                                       continue;
-                       }
-                       if (dist->sct_mobil < imcost * amt)
-                               amt = dist->sct_mobil / imcost;
-
-                       lplague++;
-                       /* XXX replace with vector assign and putvec() */
-                       remote[item] -= amt;
-                       changed++;
-                       dist->sct_mobil -= (int) (imcost * amt);
-                       local[item] += amt;
-               } else {
-                       if (imex != EXPORT)
-                               continue;
-                       if (!military_control(sp))
-                               continue;
-                       if ((item == I_CIVIL)&&(sp->sct_work < 100))
-                               continue;
-                       if ((item == I_CIVIL)&&(sp->sct_own != sp->sct_oldown))
-                               continue;
-                       /*
-                        * export.
-                        * don't export if no mobility. check to make sure we
-                        * have mobility enough to do the right thing.
-                        * also make sure that there's enough space in the
-                        * target sector to hold the required amt.
-                        */
-                       if (sp->sct_mobil <= 0) {
-                               /*logerror("  sp mob is zero");*/
-                               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;
-                       if (amt == 0)
-                               continue;
-                       /* XXX replace with vector assign and putvec() */
-
-                       rplague++;
-                       local[item] -= amt;
-                       changed++;
-                       sp->sct_mobil -= (int) (excost * amt);
-                       remote[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);
-         }
+       return 0;
+    }
+
+    dist = getsectp(sp->sct_dist_x, sp->sct_dist_y);
+    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;
+
+    DPRINTF("distribute: %d,%d to %d,%d pathcost %g\n",
+           sp->sct_x, sp->sct_y, sp->sct_dist_x, sp->sct_dist_y,
+           imex == IMPORT ? dist_i_cost : dist_e_cost);
+
+    lplague = rplague = changed = 0;
+    for (item = I_NONE + 1; item <= I_MAX; item++) {
+       if (sp->sct_dist[item] == 0)
+           continue;
+       ip = &ichr[item];
+       thresh = sp->sct_dist[item];
+       /*
+        * calculate costs for importing and exporting.
+        * the mob bonus is because delivering straight through
+        * to the dist sect is cheaper than stopping at each
+        * sector along the way (processor-timewise)
+        */
+       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)
+               continue;
+       if (item == I_CIVIL)
+           if (dist->sct_own != dist->sct_oldown)
+               continue;
+       if (diff < 0) {
+           if (imex != IMPORT)
+               continue;
+
+           if (!military_control(dist))
+               continue;
+
+           diff = -diff;
+           /*
+            * import.
+            * don't import if no mobility.
+            * check to make sure have enough mobility in the
+            * dist sector to import what we need.
+            */
+           if (dist->sct_mobil <= 0)
+               continue;
+           amt = diff;
+           /* make sure not to abandon the sector */
+           if (item == I_CIVIL ||
+               (item == I_MILIT && dist->sct_item[I_CIVIL] == 0))
+               amt_dist--;
+
+           if (amt_dist < amt) {
+               amt = amt_dist;
+               if (amt_dist <= 0)
+                   continue;
+           }
+           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++;
+           dist->sct_item[item] -= amt;
+           changed++;
+           dist->sct_mobil -= (int)(mcost * amt);
+           sp->sct_item[item] += amt;
+       } else {
+           if (imex != EXPORT)
+               continue;
+           if (!military_control(sp))
+               continue;
+           if ((item == I_CIVIL) && (sp->sct_work < 100))
+               continue;
+           if ((item == I_CIVIL) && (sp->sct_own != sp->sct_oldown))
+               continue;
+           /*
+            * export.
+            * don't export if no mobility. check to make sure we
+            * have mobility enough to do the right thing.
+            * also make sure that there's enough space in the
+            * target sector to hold the required amt.
+            */
+           if (sp->sct_mobil <= 0)
+               continue;
+           amt = diff;
+           if (amt > amt_sect)
+               amt = amt_sect;
+           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;
+
+           rplague++;
+           sp->sct_item[item] -= amt;
+           changed++;
+           sp->sct_mobil -= (int)(mcost * amt);
+           dist->sct_item[item] += amt;
        }
+    }
 
-       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);
-         }
-       }
+    if (lplague) {
+       lplague = dist->sct_pstage;
+       if (lplague == PLG_INFECT && sp->sct_pstage == PLG_HEALTHY)
+           sp->sct_pstage = PLG_EXPOSED;
+    }
 
-       return changed;
-}
+    if (rplague) {
+       rplague = sp->sct_pstage;
+       if (rplague == PLG_INFECT && dist->sct_pstage == PLG_HEALTHY)
+           dist->sct_pstage = PLG_EXPOSED;
+    }
 
+    return changed;
+}