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replay.c
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replay.c
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#include "replay.h"
#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
void add_to_replay(struct replay *rp, int time, int event) {
assert(rp->len <= rp->cap);
if (rp->len == rp->cap) {
rp->cap += 100;
rp->times = realloc(rp->times, rp->cap * sizeof(int));
rp->events = realloc(rp->events, rp->cap * sizeof(int));
}
rp->times[rp->len] = time;
rp->events[rp->len] = event;
rp->len++;
}
char *get_replay_path() {
static char timefmt[] = "%Y%m%d%H%M%S";
int len;
char *homepath, *replaypath, timestr[strlen("yyyymmddhhmmss")+1];
time_t rawtime;
homepath = getenv("HOME");
len = strlen(homepath) + strlen("/.ttytris_replay_yyyymmddhhmmss");
replaypath = malloc((len + 1) * sizeof(char));
rawtime = time(NULL);
strftime(timestr, strlen("yyyymmddhhmmss")+1, timefmt, localtime(&rawtime));
sprintf(replaypath, "%s/.ttytris_replay_%s", homepath, timestr);
return replaypath;
}
void read_replay(char *path, struct replay *rp) {
int i;
FILE *rpfile;
rpfile = fopen(path, "r");
/* TODO: use add_to_replay() and remove length from replay files? */
fscanf(rpfile, "%d\n%d\n", &rp->seed, &rp->len);
rp->times = malloc(rp->len * sizeof(int));
rp->events = malloc(rp->len * sizeof(int));
for (i = 0; i < rp->len; i++) {
fscanf(rpfile, "%d %d\n", &rp->times[i], &rp->events[i]);
}
fclose(rpfile);
}
void save_replay(struct replay *rp) {
int i;
char *path;
FILE *rpfile;
path = get_replay_path();
rpfile = fopen(path, "w");
fprintf(rpfile, "%d\n%d\n", rp->seed, rp->len);
for (i = 0; i < rp->len; i++) {
fprintf(rpfile, "%d %d\n", rp->times[i], rp->events[i]);
}
free(path);
fclose(rpfile);
}