/*
* 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.
*
* ---
*
* finish.c: Finish the update
- *
+ *
* Known contributors to this file:
* Dave Pare, 1986
* Thomas Ruschak, 1993
* Steve McClure, 1998
*/
-#include <math.h>
-#include "misc.h"
-#include "var.h"
-#include "sect.h"
-#include "nat.h"
-#include "item.h"
-#include "news.h"
-#include "file.h"
-#include "xy.h"
-#include "path.h"
+#include <config.h>
+
+#include <stdlib.h>
#include "distribute.h"
+#include "path.h"
#include "update.h"
-#include "common.h"
-#include "optlist.h"
/* Used for building up distribution info */
struct distinfo {
- s_char *path; /* path to take */
- double imcost; /* import cost */
- double excost; /* export cost */
+ char *path; /* path to take */
+ double imcost; /* import cost */
+ double excost; /* export cost */
};
/* This is our global buffer of distribution pointers. Note that
* We only malloc this once, and never again (until reboot time
* of course :) ) We do clear it each and every time. */
-struct distinfo *g_distptrs = (struct distinfo *)0;
+static struct distinfo *g_distptrs;
/* Note that even though we malloc and save the path, it is never
* used. Thus, this option. If you want to malloc and save every
/* #define SAVE_FINISH_PATHS */
#ifndef SAVE_FINISH_PATHS
-static s_char *finish_path = "h"; /* Placeholder indicating path exists */
+static char *finish_path = "h"; /* Placeholder indicating path exists */
#endif /* SAVE_FINISH_PATHS */
static void assemble_dist_paths(struct distinfo *distptrs);
-s_char *BestDistPath();
-s_char *ReversePath(s_char *path);
-double pathcost();
+static char *ReversePath(char *path);
void
finish_sects(int etu)
{
- register struct sctstr *sp;
- struct natstr *np;
- int n;
- int vec[I_MAX+1];
- int changed;
- struct distinfo *infptr;
-
- if (g_distptrs == (struct distinfo *)0) {
- logerror("First update since reboot, allocating buffer\n");
- /* Allocate the information buffer */
- g_distptrs = (struct distinfo *)(malloc((WORLD_X * WORLD_Y) *
- sizeof(struct distinfo)));
- if (g_distptrs == (struct distinfo *)0) {
- logerror("malloc failed in finish_sects.\n");
- return;
- }
-
- logerror("Allocated '%d' bytes '%d' indices\n",
- ((WORLD_X * WORLD_Y) * sizeof(struct distinfo)),
- (WORLD_X * WORLD_Y));
+ struct sctstr *sp;
+ struct natstr *np;
+ int n;
+ struct distinfo *infptr;
+ if (g_distptrs == NULL) {
+ logerror("First update since reboot, allocating buffer\n");
+ /* Allocate the information buffer */
+ g_distptrs = malloc(WORLD_SZ() * sizeof(*g_distptrs));
+ if (g_distptrs == NULL) {
+ logerror("malloc failed in finish_sects.\n");
+ return;
}
+ }
- /* Wipe it clean */
- bzero((s_char *)g_distptrs, ((WORLD_X * WORLD_Y) *
- sizeof(struct distinfo)));
+ /* Wipe it clean */
+ memset(g_distptrs, 0, WORLD_SZ() * sizeof(*g_distptrs));
- logerror("delivering...\n");
- /* Do deliveries */
- for (n=0; NULL != (sp = getsectid(n)); n++) {
- if (sp->sct_type == SCT_WATER)
- continue;
- if (sp->sct_own == 0)
- continue;
- np = getnatp(sp->sct_own);
- if (np->nat_money < 0)
- continue;
- changed = 0;
- if (getvec(VT_ITEM, vec, (s_char *)sp, EF_SECTOR) > 0)
- changed += dodeliver(sp, vec);
- if (changed)
- putvec(VT_ITEM, vec, (s_char *)sp, EF_SECTOR);
- }
- logerror("done delivering\n");
+ logerror("delivering...\n");
+ /* Do deliveries */
+ for (n = 0; NULL != (sp = getsectid(n)); n++) {
+ if (sp->sct_type == SCT_WATER)
+ continue;
+ if (sp->sct_own == 0)
+ continue;
+ np = getnatp(sp->sct_own);
+ if (np->nat_money < 0)
+ continue;
+ dodeliver(sp);
+ }
+ logerror("done delivering\n");
- logerror("assembling paths...\n");
+ logerror("assembling paths...\n");
- /* First, enable the best_path cacheing */
- bp_enable_cachepath();
+ /* First, enable the best_path cacheing */
+ bp_enable_cachepath();
- /* Now assemble the paths */
- assemble_dist_paths(g_distptrs);
+ /* Now assemble the paths */
+ assemble_dist_paths(g_distptrs);
- /* Now disable the best_path cacheing */
- bp_disable_cachepath();
+ /* Now disable the best_path cacheing */
+ bp_disable_cachepath();
- /* Now, clear the best_path cache that may have been created */
- bp_clear_cachepath();
+ /* Now, clear the best_path cache that may have been created */
+ bp_clear_cachepath();
- logerror("done assembling paths\n");
+ logerror("done assembling paths\n");
- logerror("exporting...");
- for (n=0; NULL != (sp = getsectid(n)); n++) {
- if (sp->sct_type == SCT_WATER || sp->sct_own == 0)
- continue;
- np = getnatp(sp->sct_own);
- if (np->nat_money < 0)
- continue;
- /* Get the pointer */
- infptr = &g_distptrs[XYOFFSET(sp->sct_x, sp->sct_y)];
- dodistribute(sp, EXPORT,
- infptr->path, infptr->imcost, infptr->excost);
- }
- logerror("done exporting\n");
-
- /* Note that we free the paths (if allocated) as we loop here */
- logerror("importing...");
- for (n=0; NULL != (sp = getsectid(n)); n++) {
- /* Get the pointer (we do it first so we can free if needed) */
- infptr = &g_distptrs[XYOFFSET(sp->sct_x, sp->sct_y)];
- if (sp->sct_type == SCT_WATER || sp->sct_own == 0) {
-#ifdef SAVE_FINISH_PATHS
- if (infptr->path)
- free((s_char *)infptr->path);
-#endif /* SAVE_FINISH_PATHS */
- continue;
- }
- np = getnatp(sp->sct_own);
- if (np->nat_money < 0) {
+ logerror("exporting...");
+ for (n = 0; NULL != (sp = getsectid(n)); n++) {
+ if (sp->sct_type == SCT_WATER || sp->sct_own == 0)
+ continue;
+ np = getnatp(sp->sct_own);
+ if (np->nat_money < 0)
+ continue;
+ /* Get the pointer */
+ infptr = &g_distptrs[sp->sct_uid];
+ dodistribute(sp, EXPORT,
+ infptr->path, infptr->imcost, infptr->excost);
+ }
+ logerror("done exporting\n");
+
+ /* Note that we free the paths (if allocated) as we loop here */
+ logerror("importing...");
+ for (n = 0; NULL != (sp = getsectid(n)); n++) {
+ /* Get the pointer (we do it first so we can free if needed) */
+ infptr = &g_distptrs[sp->sct_uid];
+ if (sp->sct_type == SCT_WATER || sp->sct_own == 0) {
#ifdef SAVE_FINISH_PATHS
- if (infptr->path)
- free((s_char *)infptr->path);
+ if (infptr->path)
+ free(infptr->path);
#endif /* SAVE_FINISH_PATHS */
- continue;
- }
- dodistribute(sp, IMPORT,
- infptr->path, infptr->imcost, infptr->excost);
+ continue;
+ }
+ np = getnatp(sp->sct_own);
+ if (np->nat_money < 0) {
#ifdef SAVE_FINISH_PATHS
if (infptr->path)
- free((s_char *)infptr->path);
+ free(infptr->path);
#endif /* SAVE_FINISH_PATHS */
+ continue;
}
- logerror("done importing\n");
+ dodistribute(sp, IMPORT,
+ infptr->path, infptr->imcost, infptr->excost);
+#ifdef SAVE_FINISH_PATHS
+ if (infptr->path)
+ free(infptr->path);
+#endif /* SAVE_FINISH_PATHS */
+
+ sp->sct_off = 0;
+ }
+ logerror("done importing\n");
}
static void
assemble_dist_paths(struct distinfo *distptrs)
{
- s_char *path, *p;
+ char *path, *p;
double d;
struct sctstr *sp;
struct sctstr *dist;
struct distinfo *infptr;
int n;
- s_char buf[512];
+ char buf[512];
- for (n=0; NULL != (sp = getsectid(n)); n++) {
+ for (n = 0; NULL != (sp = getsectid(n)); n++) {
if ((sp->sct_dist_x == sp->sct_x) && (sp->sct_dist_y == sp->sct_y))
continue;
/* Set the pointer */
- infptr = &distptrs[XYOFFSET(sp->sct_x, sp->sct_y)];
+ infptr = &distptrs[sp->sct_uid];
/* now, get the dist sector */
dist = getsectp(sp->sct_dist_x, sp->sct_dist_y);
- if (dist == (struct sctstr *)0){
- logerror("Bad dist sect %d,%d for %d,%d !\n",sp->sct_dist_x,
- sp->sct_dist_y,sp->sct_x,sp->sct_y);
+ if (dist == NULL) {
+ logerror("Bad dist sect %d,%d for %d,%d !\n",
+ sp->sct_dist_x, sp->sct_dist_y,
+ sp->sct_x, sp->sct_y);
continue;
}
/* Now, get the best distribution path over roads */
/* Note we go from the dist center to the sector. This gives
us the import path for that sector. */
- path = BestDistPath(buf, dist, sp, &d, MOB_ROAD);
+ path = BestDistPath(buf, dist, sp, &d);
/* Now, we have a path */
- if (path != (s_char *)0) {
+ if (path != NULL) {
#ifdef SAVE_FINISH_PATHS
int len;
/* Here we malloc a buffer and save it */
len = strlen(path);
- infptr->path = (s_char *)malloc(len);
- if (infptr->path == (s_char *)0) {
+ infptr->path = malloc(len);
+ if (infptr->path == NULL) {
logerror("malloc failed in assemble_dist_path!\n");
return;
}
p = ReversePath(path);
/* And walk the path back to the dist center to get the export
cost */
- infptr->excost = pathcost(sp, p, MOB_ROAD);
+ infptr->excost = pathcost(sp, p, MOB_MOVE);
#ifdef SAVE_FINISH_PATHS
- bcopy(p, infptr->path, len);
+ memcpy(infptr->path, p, len);
#else
infptr->path = finish_path;
#endif /* SAVE_FINISH_PATHS */
}
}
-s_char
-*ReversePath(s_char *path)
+static char *
+ReversePath(char *path)
{
- s_char *patharray = "aucdefjhigklmyopqrstbvwxnz";
- static s_char new_path[512];
+ char *patharray = "aucdefjhigklmyopqrstbvwxnz";
+ static char new_path[512];
int ind;
- if (path == (s_char *)0)
- return (s_char *)0;
+ if (path == NULL)
+ return NULL;
ind = strlen(path);
if (ind == 0)
- return (s_char *)0;
+ return NULL;
if (path[ind - 1] == 'h')
ind--;
return new_path;
}
-