More Rubocop changes

Data/Scripts/007_Objects and windows/002_MessageConfig.rb

@@ -503,7 +503,7 @@ end
 # Disposes all objects in the specified hash.
 def pbDisposeSpriteHash(sprites)
   return if !sprites
-  sprites.keys.each do |i|
+  sprites.each_key do |i|
     pbDisposeSprite(sprites, i)
   end
   sprites.clear
@@ -665,7 +665,7 @@ end
 # _activeStatuses_ is the result of a previous call to pbActivateWindows
 def pbRestoreActivations(sprites, activeStatuses)
   return if !sprites || !activeStatuses
-  activeStatuses.keys.each do |k|
+  activeStatuses.each_key do |k|
     if sprites[k].is_a?(Window) && !pbDisposed?(sprites[k])
       sprites[k].active = activeStatuses[k] ? true : false
     end
@@ -723,7 +723,7 @@ def addBackgroundPlane(sprites, planename, background, viewport = nil)
     sprites[planename].visible = false
   else
     sprites[planename].setBitmap(bitmapName)
-    sprites.values.each do |spr|
+    sprites.each_value do |spr|
       if spr.is_a?(Window)
         spr.windowskin = nil
       end
@@ -745,7 +745,7 @@ def addBackgroundOrColoredPlane(sprites, planename, background, color, viewport
   else
     sprites[planename] = AnimatedPlane.new(viewport)
     sprites[planename].setBitmap(bitmapName)
-    sprites.values.each do |spr|
+    sprites.each_value do |spr|
       if spr.is_a?(Window)
         spr.windowskin = nil
       end

Data/Scripts/007_Objects and windows/004_SpriteWindow.rb

@@ -317,7 +317,7 @@ class SpriteWindow < Window
     end
     privRefresh if mustchange
     if @flash > 0
-      @sprites.values.each do |i|
+      @sprites.each_value do |i|
         i.update
       end
       @flash -= 1

Data/Scripts/007_Objects and windows/006_SpriteWindow_pictures.rb

@@ -93,7 +93,7 @@ class PictureWindow < SpriteWindow_Base
   # is ignored unless pathOrBitmap is a filename)
   def setBitmap(pathOrBitmap, hue = 0)
     clearBitmaps
-    if pathOrBitmap != nil && pathOrBitmap != ""
+    if pathOrBitmap && pathOrBitmap != ""
       case pathOrBitmap
       when Bitmap
         @_iconbitmap = pathOrBitmap

Data/Scripts/007_Objects and windows/008_AnimatedBitmap.rb

@@ -6,10 +6,10 @@ class AnimatedBitmap
     raise "Filename is nil (missing graphic)." if file.nil?
     path     = file
     filename = ""
-    if file.last != '/'   # Isn't just a directory
+    if file.last != "/"   # Isn't just a directory
       split_file = file.split(/[\\\/]/)
       filename = split_file.pop
-      path = split_file.join('/') + '/'
+      path = split_file.join("/") + "/"
     end
     if filename[/^\[\d+(?:,\d+)?\]/]   # Starts with 1 or 2 numbers in square brackets
       @bitmap = PngAnimatedBitmap.new(path, filename, hue)

Data/Scripts/007_Objects and windows/011_Messages.rb

@@ -30,16 +30,14 @@ def pbEventCommentInput(*args)
   return nil if list.nil?
   return nil unless list.is_a?(Array)
   list.each do |item|
-    next unless item.code == 108 || item.code == 408
-    if item.parameters[0] == trigger
-      start = list.index(item) + 1
-      finish = start + elements
-      (start...finish).each do |id|
-        next if !list[id]
-        parameters.push(list[id].parameters[0])
-      end
-      return parameters
+    next if ![108, 108].include?(item.code)
+    next if item.parameters[0] != trigger
+    start = list.index(item) + 1
+    finish = start + elements
+    (start...finish).each do |id|
+      parameters.push(list[id].parameters[0]) if list[id]
     end
+    return parameters
   end
   return nil
 end
@@ -557,7 +555,7 @@ def pbMessageDisplay(msgwindow, message, letterbyletter = true, commandProc = ni
       end
     end
   end
-  if startSE != nil
+  if startSE
     pbSEPlay(pbStringToAudioFile(startSE))
   elsif signWaitCount == 0 && letterbyletter
     pbPlayDecisionSE