Implemented event system, Implemented initial bit of scripting system, Stubbed component system. Entities can now use the scripting system to place their 'decorations'

lib/subscription.rb

@@ -0,0 +1,40 @@
+class IMICFPS
+  class Subscription
+    attr_reader :entity, :event, :args, :block
+    def initialize(entity)
+      @entity = entity
+
+      @event = nil
+      @args  = nil
+      @block = nil
+    end
+
+    def method_missing(event, *args, &block)
+      return unless subscribable_events.include?(event)
+
+      @event, @args, @block = event, args, block
+      Publisher.subscribe(self)
+    end
+
+    def trigger(event, *args)
+      if @block
+        @block.call(event, *args)
+      end
+    end
+
+    private def subscribable_events
+      [
+        :tick,
+        :create,
+        :destroy,
+        :button_down, :button_up,
+        :mouse_move,
+        :entity_move,
+        :interact,
+        :player_join, :player_leave, :player_die,
+        :pickup_item, :use_item, :drop_item,
+        :enter_vehicle, :exit_vehicle,
+      ]
+    end
+  end
+end