Fixed additional effect issues with Eerie Spell/Jaw Lock/Thousand Waves

Data/Scripts/002_BattleSettings.rb

@@ -107,8 +107,8 @@ module Settings
 
   #=============================================================================
 
-  # Whether wild Pokémon with the "Legendary" or "Mythical" flag (as defined in
-  # pokemon.txt) have a smarter AI. Their skill level is set to 32, which is a
-  # medium skill level.
+  # Whether wild Pokémon with the "Legendary", "Mythical" or "UltraBeast" flag
+  # (as defined in pokemon.txt) have a smarter AI. Their skill level is set to
+  # 32, which is a medium skill level.
   SMARTER_WILD_LEGENDARY_POKEMON = true
 end

Data/Scripts/011_Battle/003_Move/013_MoveEffects_SwitchingActing.rb

@@ -306,7 +306,8 @@ end
 
 #===============================================================================
 # Target can no longer switch out or flee, as long as the user remains active.
-# (Anchor Shot, Block, Mean Look, Spider Web, Spirit Shackle, Thousand Waves)
+# Trapping is considered an additional effect for damaging moves.
+# (Anchor Shot, Block, Mean Look, Spider Web, Spirit Shackle)
 #===============================================================================
 class Battle::Move::TrapTargetInBattle < Battle::Move
   def canMagicCoat?; return true; end
@@ -339,6 +340,22 @@ class Battle::Move::TrapTargetInBattle < Battle::Move
   end
 end
 
+#===============================================================================
+# Target can no longer switch out or flee, as long as the user remains active.
+# Trapping is not considered an additional effect. (Thousand Waves)
+#===============================================================================
+class Battle::Move::TrapTargetInBattleMainEffect < Battle::Move
+  def canMagicCoat?; return true; end
+
+  def pbEffectAgainstTarget(user, target)
+    return if target.fainted? || target.damageState.substitute
+    return if target.effects[PBEffects::MeanLook] >= 0
+    return if Settings::MORE_TYPE_EFFECTS && target.pbHasType?(:GHOST)
+    target.effects[PBEffects::MeanLook] = user.index
+    @battle.pbDisplay(_INTL("{1} can no longer escape!", target.pbThis))
+  end
+end
+
 #===============================================================================
 # The target can no longer switch out or flee, while the user remains in battle.
 # At the end of each round, the target's Defense and Special Defense are lowered
@@ -370,7 +387,7 @@ end
 # fleeing. (Jaw Lock)
 #===============================================================================
 class Battle::Move::TrapUserAndTargetInBattle < Battle::Move
-  def pbAdditionalEffect(user, target)
+  def pbEffectAgainstTarget(user, target)
     return if user.fainted? || target.fainted? || target.damageState.substitute
     return if Settings::MORE_TYPE_EFFECTS && target.pbHasType?(:GHOST)
     return if user.trappedInBattle? || target.trappedInBattle?
@@ -660,8 +677,8 @@ end
 # Target's last move used loses 3 PP. Damaging move. (Eerie Spell)
 #===============================================================================
 class Battle::Move::LowerPPOfTargetLastMoveBy3 < Battle::Move
-  def pbEffectAgainstTarget(user, target)
-    return if target.fainted?
+  def pbAdditionalEffect(user, target)
+    return if target.fainted? || target.damageState.substitute
     last_move = target.pbGetMoveWithID(target.lastRegularMoveUsed)
     return if !last_move || last_move.pp == 0 || last_move.total_pp <= 0
     reduction = [3, last_move.pp].min

Data/Scripts/011_Battle/005b_AI move function codes/059_AI_MoveHandlers_SwitchingActing.rb

@@ -217,6 +217,12 @@ Battle::AI::Handlers::MoveFailureAgainstTargetCheck.add("TrapTargetInBattle",
   }
 )
 
+#===============================================================================
+# TODO: Review score modifiers.
+#===============================================================================
+Battle::AI::Handlers::MoveFailureAgainstTargetCheck.copy("TrapTargetInBattle",
+                                                         "TrapTargetInBattleMainEffect")
+
 #===============================================================================
 # TODO: Review score modifiers.
 #===============================================================================