116 lines
2.8 KiB
C
116 lines
2.8 KiB
C
#include "event_system.h"
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#include <stdio.h>
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typedef struct window_event WindowEvent;
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typedef struct keyboard_event KeyboardEvent;
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typedef struct mouse_event MouseEvent;
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struct window_event {
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int window_width;
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int window_height;
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};
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struct keyboard_event {
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int key;
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};
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struct mouse_event {
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int x;
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int y;
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};
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enum event_ids {
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EVENT_WINDOW,
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EVENT_KEYBOARD,
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EVENT_MOUSE,
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COUNT_EVENTS,
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};
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void window_event_handler(void *data);
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void keyboard_event_handler(void *data);
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void mouse_event_handler(void *data);
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void extra_event_handler(void *data);
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int main(void) {
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Event events [COUNT_EVENTS] = {0};
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EventListener listeners[COUNT_EVENTS] = {0};
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EventCallback callbacks[COUNT_EVENTS] = {window_event_handler, keyboard_event_handler, mouse_event_handler};
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EventSystem es = es_init(COUNT_EVENTS, 64);
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for (int i = 0; i < COUNT_EVENTS; ++i) {
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events[i] = es_register_event(es);
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listeners[i] = es_add_event_listener(es, events[i], callbacks[i]);
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}
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WindowEvent window_event = { .window_width = 1280, .window_height = 720 };
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KeyboardEvent keyboard_event = { .key = 120 };
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MouseEvent mouse_event = { .x = 628, .y = 154 };
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printf("FROM MAIN\n");
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printf(" WIDTH: %d, HEIGHT: %d\n", window_event.window_width, window_event.window_height);
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es_emit_event(es, events[EVENT_WINDOW], (void *)&window_event);
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printf("FROM MAIN\n");
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printf(" KEY: %d\n", keyboard_event.key);
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es_emit_event(es, events[EVENT_KEYBOARD], (void *)&keyboard_event);
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printf("FROM MAIN\n");
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printf(" X: %d, Y: %d\n", mouse_event.x, mouse_event.y);
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es_emit_event(es, events[EVENT_MOUSE], (void *)&mouse_event);
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// You can also add other events not stored in an array
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Event extra_event = es_register_event(es);
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EventListener listener = es_add_event_listener(es, extra_event, extra_event_handler);
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es_emit_event(es, extra_event, NULL);
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es_remove_event_listener(es, listener);
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es_deregister_event(es, &extra_event);
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for (int i = 0; i < COUNT_EVENTS; ++i) {
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es_remove_event_listener(es, listeners[i]);
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es_deregister_event(es, &events[i]);
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}
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es_deinit(&es);
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return 0;
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}
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void window_event_handler(void *data) {
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if (!data) {
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return;
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}
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WindowEvent *ev = (WindowEvent *)data;
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printf("FROM CALLBACK\n");
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printf(" WIDTH: %d, HEIGHT: %d\n\n", ev->window_width, ev->window_height);
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}
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void keyboard_event_handler(void *data) {
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if (!data) {
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return;
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}
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KeyboardEvent *ev = (KeyboardEvent *)data;
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printf("FROM CALLBACK\n");
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printf(" KEY: %d\n\n", ev->key);
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}
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void mouse_event_handler(void *data) {
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if (!data) {
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return;
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}
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MouseEvent *ev = (MouseEvent *)data;
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printf("FROM CALLBACK\n");
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printf(" X: %d, Y: %d\n\n", ev->x, ev->y);
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}
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void extra_event_handler(void *data) {
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printf("Calling extra_event_handler\n\n");
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}
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