Tests whether the entity passes the entity filter.
This will call ENTITY:PassesFilter on scripted entities of the type "filter".
For example the trigger this filter entity is used in.
Ready-to-use entity for controlling Hammer entities through Lua (for example for
trigger_teleport). This entity works like a CRecipientFilter: filter has a list of allowed and not allowed entities for each trigger. Note, you can add not only players.