Basic editor copy and paste. Doesn't actually copy the entity until you paste it.

include/Engine/Core/EntityWrapper.h

@@ -29,6 +29,7 @@ struct EntityWrapper
     EntityWrapper Parent();
     EntityWrapper FirstChildByName(const std::string& name);
     EntityWrapper FirstParentWithComponent(const std::string& componentType);
+    EntityWrapper Clone(EntityWrapper parent = EntityWrapper::Invalid);
     bool IsChildOf(EntityWrapper potentialParent);
     bool Valid() const;
 
@@ -39,6 +40,7 @@ struct EntityWrapper
 
 private:
     EntityWrapper firstChildByNameRecursive(const std::string& name, EntityID parent);
+    EntityWrapper cloneRecursive(EntityWrapper entity, EntityWrapper parent);
 };
 
 namespace std

include/Engine/Core/World.h

@@ -40,7 +40,7 @@ public:
     // Change the parent of an entity
     void SetParent(EntityID entity, EntityID parent);
     // Get children of an entity
-    const std::pair<std::unordered_multimap<EntityID, EntityID>::const_iterator, std::unordered_multimap<EntityID, EntityID>::const_iterator> GetChildren(EntityID entity);
+    const std::pair<std::unordered_multimap<EntityID, EntityID>::const_iterator, std::unordered_multimap<EntityID, EntityID>::const_iterator> GetDirectChildren(EntityID entity);
     // Get all component pools
     const std::unordered_map<std::string, ComponentPool*>& GetComponentPools() const { return m_ComponentPools; }
     // Get the entity children map