From c0409a612ec0fe4949d67f11e6d89492ccda9339 Mon Sep 17 00:00:00 2001
From: Abdelrahman <said.abdelrahman89@gmail.com>
Date: Sat, 25 Jan 2025 18:13:04 +0000
Subject: [PATCH] Revert "es_register_event and es_add_event_listener takes a
 pointer"

This reverts commit 8e5a421753cc8899a0d61f9d3c91cab04d105543.
---
 src/event_system.c | 14 +++++++-------
 src/event_system.h |  4 ++--
 src/main.c         |  8 ++++----
 3 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/src/event_system.c b/src/event_system.c
index 3574795..6682b72 100644
--- a/src/event_system.c
+++ b/src/event_system.c
@@ -131,19 +131,19 @@ void es_deinit(EventSystem *event_system) {
   event_system->id = 0;
 }
 
-Event es_register_event(EventSystem *event_system) {
+Event es_register_event(EventSystem event_system) {
   Event event = INVALID_EVENT;
 
-  if (!event_system || IS_INVALID_SYSTEM((*event_system))) {
+  if (IS_INVALID_SYSTEM(event_system)) {
     goto RETURN_EVENT;
   }
 
-  ESInternal *es = get_event_system_internal(*event_system);
+  ESInternal *es = get_event_system_internal(event_system);
   if (!VALID_MAGIC(es)) {
     goto RETURN_EVENT;
   }
 
-  event.system = *event_system;
+  event.system = event_system;
 
   EventSlot *event_slots_array = get_event_slots_array(es);
 
@@ -170,12 +170,12 @@ RETURN_EVENT:
   return event;
 }
 
-void es_deregister_event(EventSystem *event_system, Event *event) {
-  if (!event_system || IS_INVALID_SYSTEM((*event_system)) || IS_INVALID_EVENT((*event)) || event_system->id != event->system.id) {
+void es_deregister_event(EventSystem event_system, Event *event) {
+  if (IS_INVALID_SYSTEM(event_system) || IS_INVALID_EVENT((*event)) || event_system.id != event->system.id) {
     return;
   }
 
-  ESInternal *es = get_event_system_internal(*event_system);
+  ESInternal *es = get_event_system_internal(event_system);
   if (!VALID_MAGIC(es) || event->id > es->event_count) {
     return;
   }
diff --git a/src/event_system.h b/src/event_system.h
index ddd32ef..a04ad74 100644
--- a/src/event_system.h
+++ b/src/event_system.h
@@ -30,8 +30,8 @@ typedef void (*EventCallback)(void *data);
 
 EventSystem   es_init(u64 initial_event_capacity, u64 initial_listeners_capacity);
 void          es_deinit(EventSystem *event_system);
-Event         es_register_event(EventSystem *event_system);
-void          es_deregister_event(EventSystem *event_system, Event *event);
+Event         es_register_event(EventSystem event_system);
+void          es_deregister_event(EventSystem event_system, Event *event);
 EventListener es_add_event_listener(EventSystem event_system, Event event, EventCallback callback);
 void          es_remove_event_listener(EventSystem event_system, EventListener listener);
 void          es_emit_event(EventSystem event_system, Event event, void *data);
diff --git a/src/main.c b/src/main.c
index 6b67ce6..64a5771 100644
--- a/src/main.c
+++ b/src/main.c
@@ -40,7 +40,7 @@ int main(void) {
   EventSystem es = es_init(COUNT_EVENTS, 64);
 
   for (int i = 0; i < COUNT_EVENTS; ++i) {
-    events[i]    = es_register_event(&es);
+    events[i]    = es_register_event(es);
     listeners[i] = es_add_event_listener(es, events[i], callbacks[i]);
   }
 
@@ -61,15 +61,15 @@ int main(void) {
   es_emit_event(es, events[EVENT_MOUSE],    (void *)&mouse_event);
 
   // You can also add other events not stored in an array
-  Event         extra_event = es_register_event(&es);
+  Event         extra_event = es_register_event(es);
   EventListener listener    = es_add_event_listener(es, extra_event, extra_event_handler);
   es_emit_event(es, extra_event, NULL);
   es_remove_event_listener(es, listener);
-  es_deregister_event(&es, &extra_event);
+  es_deregister_event(es, &extra_event);
 
   for (int i = 0; i < COUNT_EVENTS; ++i) {
     es_remove_event_listener(es, listeners[i]);
-    es_deregister_event(&es, &events[i]);
+    es_deregister_event(es, &events[i]);
   }
 
   es_deinit(&es);