Lots of rubocop

Data/Scripts/014_Pokemon/001_Pokemon-related/001_FormHandlers.rb

@@ -264,9 +264,7 @@ MultipleForms.register(:ROTOM, {
 MultipleForms.register(:GIRATINA, {
   "getForm" => proc { |pkmn|
     next 1 if pkmn.hasItem?(:GRISEOUSORB)
-    if $game_map && $game_map.metadata&.has_flag?("DistortionWorld")
-      next 1
-    end
+    next 1 if $game_map&.metadata&.has_flag?("DistortionWorld")
     next 0
   }
 })

Data/Scripts/014_Pokemon/001_Pokemon-related/002_ShadowPokemon_Other.rb

@@ -1,17 +1,15 @@
-=begin
-All types except Shadow have Shadow as a weakness.
-Shadow has Shadow as a resistance.
-On a side note, the Shadow moves in Colosseum will not be affected by Weaknesses
-or Resistances, while in XD the Shadow-type is Super-Effective against all other
-types.
-2/5 - display nature
-
-XD - Shadow Rush -- 55, 100 - Deals damage.
-Colosseum - Shadow Rush -- 90, 100
-If this attack is successful, user loses half of HP lost by opponent due to this
-attack (recoil). If user is in Hyper Mode, this attack has a good chance for a
-critical hit.
-=end
+# All types except Shadow have Shadow as a weakness.
+# Shadow has Shadow as a resistance.
+# On a side note, the Shadow moves in Colosseum will not be affected by
+# Weaknesses or Resistances, while in XD the Shadow-type is Super-Effective
+# against all other types.
+# 2/5 - display nature
+#
+# XD - Shadow Rush -- 55, 100 - Deals damage.
+# Colosseum - Shadow Rush -- 90, 100
+# If this attack is successful, user loses half of HP lost by opponent due to
+# this attack (recoil). If user is in Hyper Mode, this attack has a good chance
+# for a critical hit.
 
 #===============================================================================
 # Purify a Shadow Pokémon.
@@ -63,8 +61,7 @@ end
 # Relic Stone scene.
 #===============================================================================
 class RelicStoneScene
-  def pbPurify
-  end
+  def pbPurify; end
 
   def pbUpdate
     pbUpdateSpriteHash(@sprites)
@@ -136,11 +133,11 @@ end
 #===============================================================================
 def pbRelicStoneScreen(pkmn)
   retval = true
-  pbFadeOutIn {
+  pbFadeOutIn do
     scene = RelicStoneScene.new
     screen = RelicStoneScreen.new(scene)
     retval = screen.pbStartScreen(pkmn)
-  }
+  end
   return retval
 end
 
@@ -187,9 +184,7 @@ class Battle::Battler
   alias __shadow__pbInitPokemon pbInitPokemon unless method_defined?(:__shadow__pbInitPokemon)
 
   def pbInitPokemon(*arg)
-    if self.pokemonIndex > 0 && inHyperMode?
-      self.pokemon.hyper_mode = false
-    end
+    self.pokemon.hyper_mode = false if self.pokemonIndex > 0 && inHyperMode?
     __shadow__pbInitPokemon(*arg)
     # Called into battle
     if shadowPokemon?

Data/Scripts/014_Pokemon/001_Pokemon-related/004_PokemonStorage.rb

@@ -284,9 +284,7 @@ class RegionalStorage
     if @rgnmap < 0
       raise _INTL("The current map has no region set. Please set the MapPosition metadata setting for this map.")
     end
-    if !@storages[@rgnmap]
-      @storages[@rgnmap] = PokemonStorage.new
-    end
+    @storages[@rgnmap] = PokemonStorage.new if !@storages[@rgnmap]
     return @storages[@rgnmap]
   end