Observer Class

Description:

  A class for creating Observer objects.

Observer.EntityEvent

Type: Enumeration.

Description:

  The types of entity events that an observer can watch for.

Signature:

enum EntityEvent

	-- The addition of a new entity.
	"Add"

	-- The modification of an existing entity.
	"Change"

	-- The addition or modification of an entity.
	"AddOrChange"

	-- The removal of an existing entity.
	"Remove"
end

__call

Type: Metamethod.

Description:

  A metamethod that creates a new observer with the specified component filter and action to watch for

Signature:

metamethod __call: function(self: ObserverClass, event: EntityEvent, components: {string}): Observer

Parameters:

Parameter	Type	Description
event	EntityEvent	The type of entity event to watch for.
components	{string}	A table listing the names of the components to filter entities by.

Returns:

Return Type	Description
Observer	The new observer.