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#include "web_dom.h"
#include "web_opts.h"
#include "comp.h"
#include <math.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <emscripten/emscripten.h>
#define PREFIX "dartboat_"
int delay_ms = 1000;
static int difficulty = 32;
static void set_delay(char *val)
{
delay_ms = val ? atoi(val) : 0;
}
static void set_difficulty(char *val)
{
int diff = val ? atoi(val) : 0;
difficulty = diff < 0 ? 0 : diff > 99 ? 99 : diff;
comp_set_difficulty(difficulty);
}
static char *prefix_opt(char *opt)
{
char len = strlen(opt);
char *s = malloc(len + sizeof(PREFIX));
memcpy(s, PREFIX, sizeof(PREFIX) - 1);
memcpy(s + sizeof(PREFIX) - 1, opt, len + 1);
return s;
}
static char *read_opt(char *opt)
{
char *s = prefix_opt(opt);
char *val = (char *)EM_ASM_INT({return readOpt($0)}, s);
free(s);
return val;
}
static bool read_delay()
{
char *val = read_opt("delay");
if (!val) return false;
set_delay(val);
free(val);
return true;
}
static bool read_difficulty()
{
char *val = read_opt("difficulty");
if (!val) return false;
set_difficulty(val);
free(val);
return true;
}
void opts_init()
{
read_delay();
if (!read_difficulty())
comp_set_difficulty(difficulty);
char buf[64];
sprintf(buf, "%d", delay_ms);
dom_set_value("#delay", buf);
sprintf(buf, "%d", difficulty);
dom_set_value("#difficulty", buf);
}
static void store_opt(char *opt, char *val)
{
char *s = prefix_opt(opt);
EM_ASM({storeOpt($0, $1)}, s, val);
free(s);
}
EMSCRIPTEN_KEEPALIVE
void set_opt(char *opt, char *val)
{
if (!strcmp(opt, "delay"))
set_delay(val);
else if (!strcmp(opt, "difficulty"))
set_difficulty(val);
else
return;
store_opt(opt, val);
}
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