EEntityDeleted and EComponentDeleted events published by World

include/Engine/Core/EComponentDeleted.h

@@ -0,0 +1,21 @@
+#ifndef EComponentDeleted_h__
+#define EComponentDeleted_h__
+
+#include "../Common.h"
+#include "Event.h"
+#include "Entity.h"
+
+namespace Events
+{
+
+struct ComponentDeleted : Event
+{
+    EntityID Entity;
+    std::string ComponentType;
+    // True if the component was deleted as a result of the entity it was attached to being deleted
+    bool Cascaded;
+};
+
+}
+
+#endif

include/Engine/Core/EEntityDeleted.h

@@ -0,0 +1,19 @@
+#ifndef EEntityDeleted_h__
+#define EEntityDeleted_h__
+
+#include "Event.h"
+#include "Entity.h"
+
+namespace Events
+{
+
+struct EntityDeleted : Event
+{
+    EntityID DeletedEntity;
+    // True if the entity deletion was triggered because the entity's parent was deleted before it
+    bool Cascaded;
+};
+
+}
+
+#endif

include/Engine/Core/World.h

@@ -5,11 +5,15 @@
 #include "Entity.h"
 #include "ObjectPool.h"
 #include "ComponentPool.h"
+#include "EventBroker.h"
 
 class World
 {
 public:
     World() = default;
+    World(EventBroker* eventBroker) 
+        : m_EventBroker(eventBroker)
+    { }
     ~World();
 
     // Create empty entity
@@ -46,6 +50,7 @@ public:
     std::string GetName(EntityID entity) const;
 
 private:
+    EventBroker* m_EventBroker = nullptr;
     EntityID m_CurrentEntityID = 0;
 
     std::unordered_map<EntityID, EntityID> m_EntityParents;
@@ -55,6 +60,7 @@ private:
     std::unordered_map<EntityID, std::string> m_EntityNames;
 
     EntityID generateEntityID();
+    void deleteEntityRecursive(EntityID entity, bool cascaded = false);
 };
 
 #endif