fix event listeners vector containing freed listeners

loader/src/loader/Event.cpp

@@ -4,7 +4,9 @@
 using namespace geode::prelude;
 
 void EventListenerProtocol::enable() {
-    Event::listeners().push_back(this);
+    if (!ranges::contains(Event::listeners(), this)) {
+        Event::listeners().push_back(this);
+    }
 }
 
 void EventListenerProtocol::disable() {
@@ -20,7 +22,16 @@ Event::~Event() {}
 
 void Event::postFrom(Mod* m) {
     if (m) this->sender = m;
-
+    auto& listeners = Event::listeners();
+    listeners.erase(std::remove_if(
+        listeners.begin(),
+        listeners.end(),
+        [](auto& a) {
+            return Event::removedListeners().contains(a);
+        }
+    ), listeners.end());
+    Event::removedListeners().clear();
+    
     std::vector<EventListenerProtocol*> listeners_copy = Event::listeners();
     for (auto h : listeners_copy) {
         // if an event listener gets destroyed in the middle of this loop, we 
@@ -30,7 +41,6 @@ void Event::postFrom(Mod* m) {
             break;
         }
     }
-    Event::removedListeners().clear();
 }
 
 std::unordered_set<EventListenerProtocol*>& Event::removedListeners() {

loader/src/utils/cocos.cpp

@@ -328,8 +328,12 @@ void geode::cocos::limitNodeSize(cocos2d::CCNode* spr, cocos2d::CCSize const& si
 }
 
 bool geode::cocos::nodeIsVisible(cocos2d::CCNode* node) {
-    if (!node->isVisible()) return false;
+    if (!node->isVisible()) {
-    if (node->getParent()) return nodeIsVisible(node->getParent());
+        return false;
+    }
+    if (node->getParent()) {
+        return nodeIsVisible(node->getParent());
+    }
     return true;
 }