Bit of a bug fix / bug prevention

src/dawn/state/State.hpp

@@ -93,6 +93,15 @@ namespace Dawn {
         const std::function<void()> &fn,
         IStateProperty &property
       ) {
+        if(property.owner == nullptr) {
+          property.owner = this;
+        } else {
+          // TODO: This actually isn't needed, but because I need to teardown
+          // all the listeners on StateProperty<> that belong to this StateOwner
+          // I need to keep track of what events I've subbed to, consuming more
+          // memory, and I don't know if I actually need to do this or not.
+          assertTrue(property.owner == this);
+        }
         property._effectListners.push_back(fn);
         return fn;
       }
@@ -111,7 +120,9 @@ namespace Dawn {
       ) {
         auto itProp = props.begin();
         while(itProp != props.end()) {
-          (*itProp)->_effectListners.push_back(fn);
+          auto property = *itProp;
+          if(property->owner == nullptr) { property->owner = this; } else { assertTrue(property->owner == this); }
+          property->_effectListners.push_back(fn);
           ++itProp;
         }
         return fn;
@@ -130,6 +141,7 @@ namespace Dawn {
         const std::function<std::function<void()>()> &fn,
         IStateProperty &property
       ) {
+        if(property.owner == nullptr) { property.owner = this; } else { assertTrue(property.owner == this); }
         property._effectListnersWithTeardown.push_back(fn);
 
         return std::bind([&](

src/dawn/state/StateInterfaces.hpp

@@ -37,9 +37,11 @@ namespace Dawn {
     std::function<void()> unsub;
     StateEvent<A...> *event;
   };
-  
+
   class IStateProperty {
     public:
+      IStateOwner *owner = nullptr;
+
       std::vector<std::function<void()>> _effectListners;
       std::vector<std::function<std::function<void()>()>> _effectListnersWithTeardown;
       std::vector<std::function<void()>> _effectTeardowns;

src/dawntictactoe/scenes/TicTacToeScene.hpp

@@ -43,11 +43,6 @@ namespace Dawn {
             tile->ticTacToe->tile = i++;
           }
         }
-
-        evtUnsub = useEventLegacy([&]{
-          std::cout << "Legacy Event Invoked " << age << std::endl;
-          evtUnsub();
-        }, this->eventSceneUpdate);
       }
       
       std::vector<Asset*> getRequiredAssets() override {