58 lines
1.2 KiB
C
58 lines
1.2 KiB
C
#include "event.h"
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#define INIT_CAPACITY 16
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size_t clbks_size(size_t capacity) {
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return sizeof(union func) * capacity;
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}
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bool CreateEvent(struct Event *event)
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{
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union func *callbacks = malloc(clbks_size(INIT_CAPACITY));
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if (callbacks == nullptr)
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return false;
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*event = (struct Event) {
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.clbks = callbacks,
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.len = 0,
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.capacity = INIT_CAPACITY,
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};
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return true;
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}
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void FreeEvent(struct Event *event)
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{
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free(event->clbks);
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}
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bool EventSubscribe(struct Event *event, union func callback)
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{
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if (event->len == event->capacity) {
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size_t new_cap = event->capacity * 2;
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union func *new_clbks = realloc(event->clbks, clbks_size(new_cap));
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if (new_clbks == nullptr)
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return false;
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event->clbks = new_clbks;
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event->capacity = new_cap;
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}
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event->clbks[event->len++] = callback;
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return true;
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}
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void EventInvoke(struct Event *event, void *arg)
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{
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for (size_t i = 0; i < event->len; i++) {
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event->clbks[i].generic(arg);
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}
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}
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void EventInvokeUpdate(struct Event *event, u64 dt)
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{
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for (size_t i = 0; i < event->len; i++) {
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event->clbks[i].update(dt);
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}
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} |