Reorganized code and assets.

src/gstates/menu.lua

@@ -5,9 +5,10 @@
 local love        = require 'love'
 local make_class  = require 'src.utils.classes'
 local GameState   = require 'src.gstates.gstate'
-local Fader       = require 'src.utils.fader'
+local Fader       = require 'src.graphics.fader'
+local Sprite      = require 'src.graphics.sprite'
 local Cursor      = require 'src.ui.cursor'
-local SoundEffect = require 'src.utils.sfx'
+local SoundEffect = require 'src.sound.sfx'
 
 
 ------------------------------------------------------------------------------
@@ -26,6 +27,9 @@ function MainMenu:_init(name, index)
     self.skip  = false
     self.fade  = Fader()
 
+    -- Create sprites and buttons.
+    self.background = Sprite('imgs/cpu.png')
+
     -- Create a mouse cursor object at the current mouse position.
     local mx, my = love.mouse.getPosition()
     self.cursor = Cursor(mx, my)
@@ -37,6 +41,7 @@ end
 
 function MainMenu:load()
     -- Load sprites.
+    self.background:load()
     self.cursor:load()
 
     -- Load sound effects and start playing the background music
@@ -55,12 +60,14 @@ end
 
 
 function MainMenu:draw()
+    self.background:draw()
     self.cursor:draw()
     self.fade:draw()
 end
 
 
 function MainMenu:unload()
+    self.background:unload()
     self.cursor:unload()
     self.bgm:unload()
 end