Adds double ability triggers

Data/Scripts/011_Battle/001_Battler/001_PokeBattle_Battler.rb

@@ -318,6 +318,10 @@ class PokeBattle_Battler
     return @pokemon.isFusionOf(check_species)
   end
 
+  def isFusion?()
+    return @pokemon.isFusion?()
+  end
+
   # Returns the active types of this Pokémon. The array should not include the
   # same type more than once, and should not include any invalid type numbers
   # (e.g. -1).

Data/Scripts/011_Battle/005_Battle scene/007_Scene_Initialize.rb

@@ -61,8 +61,10 @@ class PokeBattle_Scene
       # Ability splash bars
       if PokeBattle_SceneConstants::USE_ABILITY_SPLASH
         @sprites["abilityBar_#{side}"] = AbilitySplashBar.new(side,@viewport)
-        @sprites["ability2Bar_#{side}"] = AbilitySplashBar.new(side,@viewport,true) if $game_switches[SWITCH_DOUBLE_ABILITIES]
-        @sprites["ability2Bar_#{side}"].y = @sprites["ability2Bar_#{side}"].y+30
+        if $game_switches[SWITCH_DOUBLE_ABILITIES]
+          @sprites["ability2Bar_#{side}"] = AbilitySplashBar.new(side,@viewport,true)
+          @sprites["ability2Bar_#{side}"].y = @sprites["ability2Bar_#{side}"].y+30
+        end
       end
     end
     # Player's and partner trainer's back sprite

Data/Scripts/050_AddOns/DoubleAbilitiesHandlersOverrides.rb

@@ -0,0 +1,118 @@
+
+module BattleHandlers
+  #
+  #   Speed calculation
+  #
+
+  def self.triggerSpeedCalcAbility(ability, battler, mult)
+    ability1 = ability
+    ability2 = battler.ability2
+    calculateAbilitySpeedMultiplier(ability1, battler, mult)
+    if $game_switches[SWITCH_DOUBLE_ABILITIES]
+      calculateAbilitySpeedMultiplier(ability2, battler, mult)
+    end
+    return mult
+  end
+
+  def self.calculateAbilitySpeedMultiplier(ability, battler, mult)
+    ret = SpeedCalcAbility.trigger(ability, battler, mult)
+    return (ret != nil) ? ret : mult
+  end
+
+  #
+  #   Weight calculation
+  #
+  def self.triggerWeightCalcAbility(ability, battler, w)
+    ability1 = ability
+    ability2 = battler.ability2
+
+    calculateWeightAbilityMultiplier(ability1, battler, mult)
+    if $game_switches[SWITCH_DOUBLE_ABILITIES]
+      calculateWeightAbilityMultiplier(ability2, battler, mult)
+    end
+    return mult
+
+  end
+
+  def self.calculateWeightAbilityMultiplier(ability, battler, w)
+    ret = WeightCalcAbility.trigger(ability, battler, w)
+    return (ret != nil) ? ret : w
+  end
+
+
+  def self.triggerEOREffectAbility(ability,battler,battle)
+    ability1 = ability
+    ability2 = battler.ability2
+
+    EOREffectAbility.trigger(ability1,battler,battle)
+    EOREffectAbility.trigger(ability2,battler,battle)
+  end
+
+  def self.triggerEORGainItemAbility(ability,battler,battle)
+    ability1 = ability
+    ability2 = battler.ability2
+
+    EORGainItemAbility.trigger(ability1,battler,battle)
+    EORGainItemAbility.trigger(ability2,battler,battle)
+  end
+
+  def self.triggerCertainSwitchingUserAbility(ability,switcher,battle)
+    ability1 = ability
+    ability2 = battler.ability2
+
+    ret = CertainSwitchingUserAbility.trigger(ability1,switcher,battle) ||  CertainSwitchingUserAbility.trigger(ability2,switcher,battle)
+    return (ret!=nil) ? ret : false
+  end
+
+  def self.triggerCertainSwitchingUserAbility(ability,switcher,battle)
+    ability1 = ability
+    ability2 = battler.ability2
+
+    ret = CertainSwitchingUserAbility.trigger(ability1,switcher,battle) || CertainSwitchingUserAbility.trigger(ability2,switcher,battle)
+    return (ret!=nil) ? ret : false
+  end
+
+  def self.triggerTrappingTargetAbility(ability,switcher,bearer,battle)
+    ability1 = ability
+    ability2 = battler.ability2
+    ret = TrappingTargetAbility.trigger(ability1,switcher,bearer,battle) || TrappingTargetAbility.trigger(ability2,switcher,bearer,battle)
+    return (ret!=nil) ? ret : false
+  end
+
+  def self.triggerAbilityOnSwitchIn(ability,battler,battle)
+    ability1 = ability
+    ability2 = battler.ability2
+    AbilityOnSwitchIn.trigger(ability1,battler,battle)
+    AbilityOnSwitchIn.trigger(ability2,battler,battle)
+  end
+
+  def self.triggerAbilityOnSwitchOut(ability,battler,endOfBattle)
+    ability1 = ability
+    ability2 = battler.ability2
+    AbilityOnSwitchOut.trigger(ability1,battler,endOfBattle)
+    AbilityOnSwitchOut.trigger(ability2,battler,endOfBattle)
+  end
+
+  def self.triggerAbilityChangeOnBattlerFainting(ability,battler,fainted,battle)
+    ability1 = ability
+    ability2 = battler.ability2
+    AbilityChangeOnBattlerFainting.trigger(ability1,battler,fainted,battle)
+    AbilityChangeOnBattlerFainting.trigger(ability2,battler,fainted,battle)
+
+  end
+
+  def self.triggerAbilityOnBattlerFainting(ability,battler,fainted,battle)
+    ability1 = ability
+    ability2 = battler.ability2
+    AbilityOnBattlerFainting.trigger(ability1,battler,fainted,battle)
+    AbilityOnBattlerFainting.trigger(ability2,battler,fainted,battle)
+  end
+
+
+  def self.triggerRunFromBattleAbility(ability,battler)
+    ability1 = ability
+    ability2 = battler.ability2
+    ret = RunFromBattleAbility.trigger(ability1,battler) || RunFromBattleAbility.trigger(ability2,battler)
+    return (ret!=nil) ? ret : false
+  end
+end

Data/Scripts/050_AddOns/ExperimentalOptions.rb

@@ -36,7 +36,16 @@ class ExperimentalOptionsScene < PokemonOption_Scene
                      proc { |value|
                        $game_switches[SWITCH_NO_LEVELS_MODE] = value == 0
                      }, "All Pokémon use their base stats, regardless of levels."
-      )
+      ),
+          EnumOption.new(_INTL("Double abilities"), [_INTL("On"), _INTL("Off")],
+                         proc {
+                           $game_switches[SWITCH_DOUBLE_ABILITIES] ? 0 : 1
+                         },
+                         proc { |value|
+                           $game_switches[SWITCH_DOUBLE_ABILITIES] = value == 0
+                         }, "Fused Pokémon have two abilities at the same time"
+    )
+
     ]
     return options
   end