Refactor debug checks to use event bus settings for consistency across game components.

game/character.rb

@@ -114,7 +114,7 @@ class Character
     end
 
     # teleport to boss room for debug purposes
-    if DEBUG && Gosu.button_down?(Gosu::KB_T)
+    if $bus.get(:settings, :debug) && Gosu.button_down?(Gosu::KB_T)
       room_coords = $bus.get(:boss_room_coords)
       if room_coords
         @world_x, @world_y = [room_coords[0] * 60 + 5, room_coords[1] * 60 + 5]
@@ -138,7 +138,7 @@ class Character
     frame_index = ((elapsed * 7).floor) % 6
     @animations[@current_animation][frame_index].draw(sprite_x, sprite_y, sprite_y + 30, 1.8, 1.8)
 
-    return unless DEBUG
+    return unless $bus.get(:settings, :debug)
 
     Gosu.draw_rect(cx, cy, SIZE[0], SIZE[1], Gosu::Color.new(0x8000FF00), cy)
   end

game/enemy/ai.rb

@@ -76,7 +76,7 @@ class EnemyAI
   end
 
   def draw
-    return unless DEBUG
+    return unless $bus.get(:settings, :debug)
     cam_x, cam_y = $bus.get(:camera_pos) || [0, 0]
     @waypoints.each do |wx, wy|
       Gosu.draw_rect(wx - cam_x - 5, wy - cam_y - 5, 10, 10, Gosu::Color.new(0x88ffff00), Float::INFINITY)

game/hud/inventory.rb

@@ -130,7 +130,7 @@ class Inventory
     if id == Gosu::MS_LEFT
       @inventory_selected = type
     elsif id == Gosu::MS_RIGHT
-      if DEBUG && [:wood, :metal, :science].include?(type)
+      if $bus.get(:settings, :debug) && [:wood, :metal, :science].include?(type)
         @grid[row_idx][col_idx][1][0] = max
       else
         craft(type, ctrl: Gosu.button_down?(Gosu::KB_RIGHT_CONTROL) || Gosu.button_down?(Gosu::KB_LEFT_CONTROL))

game/maze.rb

@@ -103,7 +103,7 @@ class Maze
 
         @spritesheet[index - 1].draw(screen_x, screen_y, screen_y, scale, scale)
 
-        next unless DEBUG
+        next unless $bus.get(:settings, :debug)
 
         shapes = shapes_for(index, gx * tile_size, gy * tile_size)
         shapes.each do |shape|

game/props/base.rb

@@ -100,7 +100,7 @@ class Prop
       Gosu.draw_rect(bar_x, bar_y, bar_width, bar_height, Gosu::Color::RED, screen_y - 19)
     end
 
-    return unless DEBUG
+    return unless $bus.get(:settings, :debug)
 
     # collision box centered on same point
     Gosu.draw_rect(screen_x - SIZE[0] / 2, screen_y - SIZE[1], *SIZE, Gosu::Color.new(0x88ff0000), Float::INFINITY)

game/scene.rb

@@ -38,8 +38,8 @@ class Game < Scene
     @enemies.draw
     @props.draw
     @hud.draw
-    draw_fog!
-    draw_debug! if DEBUG
+    draw_fog! if $bus.get(:settings, :fog)
+    draw_debug! if $bus.get(:settings, :debug)
   end
 
   def draw_debug!

main.rb

@@ -1,15 +1,15 @@
 require 'gosu'
 
-require_relative 'settings/configuration'
 require_relative 'utils/bus'
+$bus = EventBus.new
+
+require_relative 'settings/configuration'
 require_relative 'utils/utils'
 require_relative 'utils/scene'
 require_relative 'settings/scene'
 require_relative 'menu/scene'
 require_relative 'game/scene'
 
-$bus = EventBus.new
-
 # Main window
 class Window < Gosu::Window
   def initialize

settings/configuration.rb

@@ -3,4 +3,21 @@
 SCREEN_SIZE = [720, 480].freeze
 N, S, W, E = 1, 2, 4, 8
 
-DEBUG = ARGV.include?("--debug")
+# Config module to hold global settings that can be toggled in the settings scene, and accessed anywhere else in the code via the event bus
+module Config
+  @config = {
+    debug: ARGV.include?("--debug"),
+    fog: true,
+    torches_lightup: false
+  }
+
+  $bus.on(:settings) do |k|
+    next @config[k]
+  end
+
+  module_function
+
+  def toggle(key)
+    @config[key] = !@config[key]
+  end
+end

utils/maze.rb

@@ -26,7 +26,7 @@ class MazeData
       end
     end
 
-    return unless DEBUG
+    return unless $bus.get(:settings, :debug)
 
     print_debug
     $bus.on(:boss_room_coords) do