50 lines
1 KiB
C
50 lines
1 KiB
C
#include "event.h"
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#define INIT_CAPACITY 16
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bool CreateEvent(struct Event *event)
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{
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void_func *callbacks = malloc(INIT_CAPACITY * sizeof(void_func));
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if (callbacks == nullptr)
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return false;
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*event = (struct Event) {
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.callbacks = 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->callbacks);
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}
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bool EventRegister(struct Event *event, void_func callback)
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{
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if (event->len == event->capacity) {
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usize new_size = event->capacity * 2 * sizeof(void_func);
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void_func *new_callbacks = realloc(event->callbacks, new_size);
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if (new_callbacks == nullptr)
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return false;
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event->callbacks = new_callbacks;
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event->capacity = new_size;
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}
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event->callbacks[event->len++] = callback;
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return true;
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}
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void EventInvoke(struct Event *event, void *args)
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{
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for (usize i = 0; i < event->len; i++) {
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event->callbacks[i](args);
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}
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} |