Fixed event movement checks ignoring ledges if they're not on the top layer, fixed Sketch not working, fixed a couple of other minor bugs, Rubocop-suggested tweaks

Data/Scripts/012_Overworld/001_Overworld visuals/001_Overworld_Weather.rb

@@ -322,10 +322,6 @@ module RPG
 
     def update_tile_position(sprite, index)
       return if !sprite || !sprite.bitmap || !sprite.visible
-      weather_type = @type
-      if @fading && @fade_time >= [FADE_OLD_TONE_END - @time_shift, 0].max
-        weather_type = @target_type
-      end
       sprite.x = (@ox + @tile_x + (index % @tiles_wide) * sprite.bitmap.width).round
       sprite.y = (@oy + @tile_y + (index / @tiles_wide) * sprite.bitmap.height).round
       sprite.x += @tiles_wide * sprite.bitmap.width if sprite.x - @ox < -sprite.bitmap.width

Data/Scripts/012_Overworld/002_Battle triggering/001_Overworld_BattleStarting.rb

@@ -485,7 +485,6 @@ def pbTrainerBattle(trainerID, trainerName, endSpeech=nil,
   setBattleRule("double") if doubleBattle || $PokemonTemp.waitingTrainer
   # Perform the battle
   if $PokemonTemp.waitingTrainer
-    waitingTrainer = $PokemonTemp.waitingTrainer
     decision = pbTrainerBattleCore($PokemonTemp.waitingTrainer,
        [trainerID,trainerName,trainerPartyID,endSpeech]
     )

Data/Scripts/012_Overworld/008_Overworld_RandomDungeons.rb

@@ -346,8 +346,7 @@ class Maze
     end
   end
 
-  def generateWallGrowthMaze(minWall = nil, maxWall = nil)
-    minWall = 0 if !minWall
+  def generateWallGrowthMaze(minWall = 0, maxWall = nil)
     maxWall = cellWidth if !maxWall
     nlist = buildNodeList()
     return if nlist.length == 0