Added effect of Blunder Policy

Data/Scripts/011_Battle/001_Battler/007_Battler_UseMove.rb

@@ -602,6 +602,9 @@ class PokeBattle_Battler
         targets.each do |b|
           next if !b.damageState.missed || b.damageState.magicCoat
           pbMissMessage(move,user,b)
+          if user.itemActive?
+            BattleHandlers.triggerUserItemOnMissing(user.item, user, b, move, hitNum, @battle)
+          end
           break if move.pbRepeatHit?   # Dragon Darts only shows one failure message
         end
         move.pbCrashDamage(user)
@@ -642,7 +645,13 @@ class PokeBattle_Battler
     end
     # Messages about missed target(s) (relevant for multi-target moves only)
     if !move.pbRepeatHit?
-      targets.each { |b| pbMissMessage(move, user, b) if b.damageState.missed }
+      targets.each do |b|
+        next if !b.damageState.missed
+        pbMissMessage(move, user, b)
+        if user.itemActive?
+          BattleHandlers.triggerUserItemOnMissing(user.item, user, b, move, hitNum, @battle)
+        end
+      end
     end
     # Deal the damage (to all allies first simultaneously, then all foes
     # simultaneously)

Data/Scripts/011_Battle/001_Battler/009_Battler_UseMove_SuccessChecks.rb

@@ -556,6 +556,7 @@ class PokeBattle_Battler
         miss = true if !move.hitsFlyingTargets?
       end
     end
+    target.damageState.invulnerable = true if miss
     if !miss
       # Called by another move
       return true if skipAccuracyCheck

Data/Scripts/011_Battle/002_BattleHandlers.rb

@@ -32,6 +32,7 @@ module BattleHandlers
   AbilityOnFlinch                     = AbilityHandlerHash.new   # Steadfast
   MoveBlockingAbility                 = AbilityHandlerHash.new
   MoveImmunityTargetAbility           = AbilityHandlerHash.new
+  UserItemOnMissing                   = ItemHandlerHash.new   # Blunder Policy
   # Move usage
   MoveBaseTypeModifierAbility         = AbilityHandlerHash.new
   # Accuracy calculation
@@ -234,6 +235,10 @@ module BattleHandlers
     return (ret!=nil) ? ret : false
   end
 
+  def self.triggerUserItemOnMissing(item, user, target, move, hit_num, battle)
+    UserItemOnMissing.trigger(item, user, target, move, hit_num, battle)
+  end
+
   #=============================================================================
 
   def self.triggerMoveBaseTypeModifierAbility(ability,user,move,type)

Data/Scripts/011_Battle/004_BattleHandlers_Items.rb

@@ -422,6 +422,22 @@ BattleHandlers::PriorityBracketUseItem.add(:QUICKCLAW,
   }
 )
 
+#===============================================================================
+# UserItemOnMissing handlers
+#===============================================================================
+
+BattleHandlers::PriorityBracketUseItem.add(:BLUNDERPOLICY,
+  proc { |item, user, target, move, hit_num, battle|
+    next if hit_num > 0 || target.damageState.invulnerable
+    next if ["OHKO", "OHKOIce", "OHKOHitsUndergroundTarget"].include?(move.function)
+    next if !user.pbCanRaiseStatStage?(:SPEED, user)
+    battle.pbCommonAnimation("UseItem", user)
+    user.pbRaiseStatStageByCause(:SPEED, 2, user, user.itemName)
+    battle.pbDisplay(_INTL("The {1} was used up...", user.itemName))
+    user.pbHeldItemTriggered(item)
+  }
+)
+
 #===============================================================================
 # AccuracyCalcUserItem handlers
 #===============================================================================

Data/Scripts/011_Battle/007_PokeBattle_DamageState.rb

@@ -9,6 +9,7 @@ class PokeBattle_DamageState
   attr_accessor :fainted         # Whether battler was knocked out by the move
 
   attr_accessor :missed          # Whether the move failed the accuracy check
+  attr_accessor :invulnerable    # If the move missed due to two turn move invulnerability
   attr_accessor :calcDamage      # Calculated damage
   attr_accessor :hpLost          # HP lost by opponent, inc. HP lost by a substitute
   attr_accessor :critical        # Critical hit flag
@@ -29,6 +30,7 @@ class PokeBattle_DamageState
     @unaffected         = false
     @protected          = false
     @missed             = false
+    @invulnerable       = false
     @magicCoat          = false
     @magicBounce        = false
     @totalHPLost        = 0

Data/Scripts/013_Items/Gen 8 items.rb

@@ -388,11 +388,6 @@ When holder's stat(s) is lowered, consume item and holder switches out. Not
 triggered by Parting Shot, or if a faster mon's Eject Button/Eject Pack
 triggers.
 
-Blunder Policy
-If holder's move fails its accuracy check, consume item and holder gets +2
-Speed. Doesn't trigger if move was an OHKO move, or Triple Kick that hit at
-least once.
-
 Pokémon Box Link
 Key item, unusable. Enables pressing a button while in the party screen to open
 the "Organise Boxes" mode of Pokémon storage. This is disabled at certain times,