Task4: event manager

Events

• Player enter (name, position)
• Player leave (name, position)
• Game starting
• Game ending
• card, which card is given to which player, name/position?

Functions

• The "main-event" module should have wrapper functions, one per event, to trigger the events by calling gen_event:notify
• The "main-event" module should have function to add subscriber (which calls gen_event:add_handler)
• The "main-event" module should have functions to remove a subscriber

Links

• http://www.erlang.org/doc/design_principles/events.html
• http://www.erlang.org/doc/man/gen_event.html