#include <config.h>
+#include <assert.h>
+#include <math.h>
#include <stdlib.h>
#include <sys/resource.h>
#include "distribute.h"
logerror("assembling paths...\n");
getrusage(RUSAGE_SELF, &rus1);
+
+ /* First, enable the best_path cacheing */
+ bp_enable_cachepath();
+
+ /* Now assemble the paths */
assemble_dist_paths(import_cost);
+
+ /* Now disable the best_path cacheing */
+ bp_disable_cachepath();
+
+ /* Now, clear the best_path cache that may have been created */
+ bp_clear_cachepath();
+
getrusage(RUSAGE_SELF, &rus2);
logerror("done assembling paths %g user %g system",
rus2.ru_utime.tv_sec + rus2.ru_utime.tv_usec / 1e6
}
+#if (defined(USE_PATH_FIND) || defined(TEST_PATH_FIND)) && !defined(DIST_PATH_NO_REUSE)
+static int
+distcmp(const void *p, const void *q)
+{
+ int a = *(int *)p;
+ int b = *(int *)q;
+ struct sctstr *sp = (void *)empfile[EF_SECTOR].cache;
+ int d;
+
+ d = sp[b].sct_dist_y - sp[a].sct_dist_y;
+ if (d)
+ return d;
+ d = sp[b].sct_dist_x - sp[a].sct_dist_x;
+ if (d)
+ return d;
+ return b - a;
+}
+#endif
+
static void
assemble_dist_paths(double *import_cost)
{
struct sctstr *sp;
struct sctstr *dist;
int n;
+#if defined(USE_PATH_FIND) || defined(TEST_PATH_FIND)
+ static int *job;
+ int uid, i;
+ coord dx = 1, dy = 0; /* invalid */
+
+#ifdef DIST_PATH_NO_REUSE
+ for (uid = 0; NULL != (sp = getsectid(uid)); uid++) {
+ import_cost[uid] = -1;
+ if (sp->sct_dist_x == sp->sct_x && sp->sct_dist_y == sp->sct_y)
+ continue;
+#else
+ if (!job)
+ job = malloc(WORLD_SZ() * sizeof(*job));
+
+ n = 0;
+ for (uid = 0; NULL != (sp = getsectid(uid)); uid++) {
+ import_cost[uid] = -1;
+ if (sp->sct_dist_x == sp->sct_x && sp->sct_dist_y == sp->sct_y)
+ continue;
+ job[n++] = uid;
+ }
+
+#ifdef PATH_FIND_STATS
+ printf("dist path reuse %zu bytes, %d/%d used\n",
+ WORLD_SZ() * sizeof(*job), n, WORLD_SZ());
+#endif
+
+ qsort(job, n, sizeof(*job), distcmp);
+
+ for (i = 0; i < n; i++) {
+ uid = job[i];
+#endif /* !DIST_PATH_NO_REUSE */
+ sp = getsectid(uid);
+ dist = getsectp(sp->sct_dist_x, sp->sct_dist_y);
+ if (CANT_HAPPEN(!dist))
+ continue;
+ if (sp->sct_own != dist->sct_own)
+ continue;
+#ifdef DIST_PATH_NO_REUSE
+#if DIST_PATH_NO_REUSE == 1
+ import_cost[uid] = path_find(sp->sct_dist_x, sp->sct_dist_y,
+ sp->sct_x, sp->sct_y, dist->sct_own,
+ MOB_MOVE);
+#else
+ path_find_from(sp->sct_dist_x, sp->sct_dist_y,
+ dist->sct_own, MOB_MOVE);
+ import_cost[uid] = path_find_to(sp->sct_x, sp->sct_y);
+#endif
+#else
+ if (sp->sct_dist_x != dx || sp->sct_dist_y != dy) {
+ dx = sp->sct_dist_x;
+ dy = sp->sct_dist_y;
+ path_find_from(dx, dy, dist->sct_own, MOB_MOVE);
+ }
+ import_cost[uid] = path_find_to(sp->sct_x, sp->sct_y);
+#endif
+ }
+#endif /* USE_PATH_FIND || TEST_PATH_FIND */
+#if !defined(USE_PATH_FIND) || defined(TEST_PATH_FIND)
+ char *path;
+ double d;
+ char buf[512];
for (n = 0; NULL != (sp = getsectid(n)); n++) {
+#ifdef TEST_PATH_FIND
+ double new_imc = import_cost[n];
+#endif
import_cost[n] = -1;
- if (sp->sct_dist_x == sp->sct_x && sp->sct_dist_y == sp->sct_y)
+ if ((sp->sct_dist_x == sp->sct_x) && (sp->sct_dist_y == sp->sct_y))
continue;
dist = getsectp(sp->sct_dist_x, sp->sct_dist_y);
if (CANT_HAPPEN(!dist))
continue;
if (sp->sct_own != dist->sct_own)
continue;
- import_cost[n] = path_find(sp->sct_dist_x, sp->sct_dist_y,
- sp->sct_x, sp->sct_y,
- dist->sct_own, MOB_MOVE);
+ /* 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);
+ if (path)
+ import_cost[n] = d;
+#ifdef TEST_PATH_FIND
+ if (fabs(import_cost[n] - new_imc) >= 1e-6) {
+ printf("%d,%d <- %d,%d %d: old %g, new %g, %g off\n",
+ sp->sct_dist_x, sp->sct_dist_y,
+ sp->sct_x, sp->sct_y, MOB_MOVE,
+ import_cost[n], new_imc, import_cost[n] - new_imc);
+ printf("\told: %s\n", path);
+ d = path_find(sp->sct_dist_x, sp->sct_dist_y,
+ sp->sct_x, sp->sct_y, dist->sct_own, MOB_MOVE);
+ assert(d - new_imc < 1e-6);
+ path_find_route(buf, sizeof(buf),
+ sp->sct_dist_x, sp->sct_dist_y,
+ sp->sct_x, sp->sct_y);
+ printf("\tnew: %s\n", buf);
+ }
+#endif /* TEST_PATH_FIND */
}
+#endif /* !USE_PATH_FIND || TEST_PATH_FIND */
+#if defined(USE_PATH_FIND) || defined(TEST_PATH_FIND)
+ path_find_print_stats();
+#endif
}