103 lines
1.8 KiB
C
103 lines
1.8 KiB
C
#include "timer.h"
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#include <stdlib.h>
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#include <stb_ds.h>;
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static double time;
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struct timer *timers;
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void check_timer(struct timer *t)
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{
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if (!t->on)
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return;
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if (time >= t->fire_time) {
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t->cb(t->data);
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if (t->repeat) {
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t->fire_time = time + t->interval;
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return;
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}
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t->on = 0;
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return;
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}
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}
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void timer_update(double s) {
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time = s;
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for (int i = 0; i < arrlen(timers); i++)
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check_timer(&timers[i]);
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}
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struct timer *timer_make(double interval, void (*callback)(void *param), void *param) {
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struct timer new;
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new.remain_time = interval;
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new.interval = interval;
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new.cb = callback;
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new.data = param;
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new.repeat = 1;
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new.timerid = arrlen(timers);
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timer_start(&new);
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arrput(timers, new);
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return &arrlast(timers);
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}
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void timer_pause(struct timer *t) {
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if (!t->on) return;
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t->on = 0;
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t->remain_time = t->fire_time - time;
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}
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void timer_stop(struct timer *t) {
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if (!t->on) return;
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t->on = 0;
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t->remain_time = t->interval;
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}
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void timer_start(struct timer *t) {
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if (t->on) return;
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t->on = 1;
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t->fire_time = time + t->remain_time;
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}
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void timer_remove(struct timer *t) {
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int i = t->timerid;
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arrdelswap(timers, i);
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timers[i].timerid = i;
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}
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void timer_settime(struct timer *t, double interval) {
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//double elapsed = time - (t->fire_time - t->interval);
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t->interval = interval;
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t->remain_time = t->interval;
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// TODO: timer_settime reacts to elapsed time
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}
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void *arrfind(void *arr, int (*valid)(void *arr, void *cmp), void *cmp)
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{
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for (int i = 0; i < arrlen(arr); i++) {
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if (valid(&arr[i], cmp))
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return &arr[i];
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}
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return NULL;
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}
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void arrwalk(void *arr, void (*fn)(void *data))
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{
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for (int i = 0; i < arrlen(arr); i++)
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fn(&arr[i]);
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}
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