Refactored Container to be an Element, removed button_up/button_down passing to elements, moved Gui out of GameState and into GuiState, added scaffolding for events (Publish/Subscribe pattern). Element input is broken ATM.

lib/cyberarm_engine/game_state.rb

@@ -1,7 +1,6 @@
 module CyberarmEngine
   class GameState
     include Common
-    include DSL
 
     attr_accessor :options, :global_pause
     attr_reader :game_objects, :containers
@@ -11,10 +10,6 @@ module CyberarmEngine
       @game_objects = []
       @global_pause = false
 
-      @root_container = Stack.new(x: 0, y: 0, width: $window.width, height: $window.height)
-      @game_objects << @root_container
-      @containers     = [@root_container]
-
       setup
     end
 
@@ -34,6 +29,12 @@ module CyberarmEngine
       @game_objects = nil
     end
 
+    def down_up(id)
+      @game_objects.each do |o|
+        o.button_down(id)
+      end
+    end
+
     def button_up(id)
       @game_objects.each do |o|
         o.button_up(id)