Removed entity management from Game, refactored Map to MapLoader and added Map to manage world

lib/managers/entity_manager.rb

@@ -2,12 +2,12 @@ class IMICFPS
   module EntityManager # Get included into GameState context
     def add_entity(entity)
       @collision_manager.add(entity)# Add every entity to collision manager
-      @publisher.publish(:create, self, entity)
+      Publisher.instance.publish(:create, nil, entity)
       @entities << entity
     end
 
     def insert_entity(package, name, position, orientation, data = {})
-      ent = Map::Entity.new(package, name, position, orientation, Vector.new(1,1,1))
+      ent = MapLoader::Entity.new(package, name, position, orientation, Vector.new(1,1,1))
       add_entity(IMICFPS::Entity.new(map_entity: ent, manifest: Manifest.new(package: package, name: name)))
     end
 
@@ -15,11 +15,15 @@ class IMICFPS
       @entities.detect {|entity| entity == entity}
     end
 
+    def find_entity_by(name:)
+      @entities.detect { |entity| entity.name == name}
+    end
+
     def remove_entity(entity)
       ent = @entities.detect {|entity| entity == entity}
       if ent
         @collision_manager.remove(entity)
-        @publisher.publish(:destroy, self, entity)
+        @publisher.publish(:destroy, nil, entity)
         @entities.delete(ent)
       end
     end