Anti-lag script fix for edge case

This fix makes it such that even if a character sprite is offscreen it
will still update its camera position, to prevent issues when a
character sprite teleports offscreen (but their sprite does not because
it doesn't update).

scripts/Sprite_Character.rb

@@ -94,6 +94,15 @@ class Sprite_Character
     end
   end
   #--------------------------------------------------------------------------
+  # * Frame Update Fast (only position)
+  #--------------------------------------------------------------------------
+  def update_fast
+    # Set sprite coordinates
+    self.x = @character.screen_x
+    self.y = @character.screen_y
+    self.z = @character.screen_z(@ch)
+  end
+  #--------------------------------------------------------------------------
   # * Sprite attribute wrapper
   #--------------------------------------------------------------------------
   def self.sprite_attr(*args)

scripts/Spriteset_Map.rb

@@ -256,6 +256,8 @@ class Spriteset_Map
         (sprite.character.real_y + (sprite.oy*4) > ($game_map.display_y) - 128) &&
         (sprite.character.real_y - (sprite.oy*4) < ($game_map.display_y) + (17 * 128)))
             sprite.update
+      else
+        sprite.update_fast
       end
     end
     # Update footprints