Update "Contagion of Madness"

-Should only be able to activate when an opponent's monster attacks
-Should not negate attacks
-Script polishing/modernization

Author: TheRazgriz

unofficial/c511000408.lua

@@ -1,30 +1,24 @@
+--狂気の伝染
 --Contagion of Madness
 local s,id=GetID()
 function s.initial_effect(c)
-	--Activate
+	-Activate when your opponent's monster declares an attack
 	local e1=Effect.CreateEffect(c)
 	e1:SetCategory(CATEGORY_DAMAGE)
 	e1:SetType(EFFECT_TYPE_ACTIVATE)
 	e1:SetCode(EVENT_ATTACK_ANNOUNCE)
-	e1:SetTarget(s.target)
-	e1:SetOperation(s.activate)
+	e1:SetCondition(function(e) return Duel.GetAttacker():IsControler(1-e:GetHandlerPlayer()) end)
+	e1:SetOperation(s.operation)
 	c:RegisterEffect(e1)
 end
-function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
-	local tg=Duel.GetAttacker()
-	if chk==0 then return tg:IsOnField() end
-	local dam=tg:GetAttack()
-	Duel.SetTargetParam(dam)
-	Duel.SetOperationInfo(0,CATEGORY_DAMAGE,nil,0,PLAYER_ALL,dam)
+function s.operation(e,tp,eg,ep,ev,re,r,rp)
+	--Your opponent takes damage equal to half the battle damage you would take from this battle
+	local e1=Effect.CreateEffect(e:GetHandler())
+	e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
+	e1:SetCode(EVENT_BATTLE_DAMAGE)
+	e1:SetRange(LOCATION_MZONE)
+	e1:SetCondition(function(e,tp,eg,ep,ev,re,r,rp) return ep==tp end)
+	e1:SetOperation(function(e) Duel.Damage(1-e:GetHandlerPlayer(),Duel.GetBattleDamage(e:GetHandlerPlayer())/2,REASON_EFFECT) end)
+	e1:SetReset(RESET_PHASE|PHASE_DAMAGE)
+	Duel.RegisterEffect(e1,tp)
 end
-function s.activate(e,tp,eg,ep,ev,re,r,rp)
-	local tg,d=Duel.GetChainInfo(0,CHAININFO_TARGET_CARDS,CHAININFO_TARGET_PARAM)
-	local tc=Duel.GetAttacker()
-	local ap=tc:GetControler()
-	if tc:IsFaceup() and tc:CanAttack() then
-		if Duel.NegateAttack() then
-			Duel.Damage(1-ap,d,REASON_BATTLE)
-			Duel.Damage(ap,d/2,REASON_EFFECT)
-		end
-	end
-end