"Riryoku" update

- fixed a bug where the part of the effect to halve the ATK would not apply in case one of the monsters left the field
- moved the selection of which monster to halve the ATK to the resolution
- fixed strings and added operation info

Author: NaimSantos

official/c34016756.lua

@@ -1,8 +1,10 @@
 --フォース
+--Riryoku
 local s,id=GetID()
 function s.initial_effect(c)
-	--Activate
+	--Halve the ATK of a monster and increase the ATK of another by the same amount
 	local e1=Effect.CreateEffect(c)
+	e1:SetDescription(aux.Stringid(id,0))
 	e1:SetCategory(CATEGORY_ATKCHANGE)
 	e1:SetType(EFFECT_TYPE_ACTIVATE)
 	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
@@ -14,32 +16,35 @@ end
 function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
 	if chkc then return chkc:IsLocation(LOCATION_MZONE) and chkc:IsFaceup() end
 	if chk==0 then return Duel.IsExistingTarget(Card.IsFaceup,tp,LOCATION_MZONE,LOCATION_MZONE,2,nil) end
-	Duel.Hint(HINT_SELECTMSG,tp,aux.Stringid(id,0))
-	local g1=Duel.SelectTarget(tp,Card.IsFaceup,tp,LOCATION_MZONE,LOCATION_MZONE,1,1,nil)
-	e:SetLabelObject(g1:GetFirst())
-	Duel.Hint(HINT_SELECTMSG,tp,aux.Stringid(id,1))
-	local g2=Duel.SelectTarget(tp,Card.IsFaceup,tp,LOCATION_MZONE,LOCATION_MZONE,1,1,g1:GetFirst())
+	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATKDEF)
+	local g=Duel.SelectTarget(tp,Card.IsFaceup,tp,LOCATION_MZONE,LOCATION_MZONE,2,2,nil)
+	Duel.SetOperationInfo(0,CATEGORY_ATKCHANGE,g,#g,tp,0)
 end
 function s.activate(e,tp,eg,ep,ev,re,r,rp)
-	local hc=e:GetLabelObject()
-	local g=Duel.GetChainInfo(0,CHAININFO_TARGET_CARDS)
-	local tc=g:GetFirst()
-	if tc==hc then tc=g:GetNext() end
-	if hc:IsFaceup() and hc:IsRelateToEffect(e) and tc:IsFaceup() and tc:IsRelateToEffect(e) then
-		local atk=hc:GetAttack()
-		local e1=Effect.CreateEffect(e:GetHandler())
-		e1:SetType(EFFECT_TYPE_SINGLE)
-		e1:SetCode(EFFECT_SET_ATTACK_FINAL)
-		e1:SetReset(RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END)
-		e1:SetValue(atk/2)
-		hc:RegisterEffect(e1)
-		if not hc:IsImmuneToEffect(e1) then
-			local e2=Effect.CreateEffect(e:GetHandler())
-			e2:SetType(EFFECT_TYPE_SINGLE)
-			e2:SetCode(EFFECT_UPDATE_ATTACK)
-			e2:SetReset(RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END)
-			e2:SetValue(atk/2)
-			tc:RegisterEffect(e2)
-		end
+	local g=Duel.GetTargetCards(e):Filter(Card.IsFaceup,nil)
+	if #g==0 then return end
+	local hc=g:GetFirst()
+	if #g>1 then
+		Duel.Hint(HINT_SELECTMSG,tp,aux.Stringid(id,1))
+		hc=g:Select(tp,1,1,nil):GetFirst()
 	end
-end
+	g:RemoveCard(hc)
+	local c=e:GetHandler()
+	local atk=hc:GetAttack()
+	--Halve the ATK of one monster
+	local e1=Effect.CreateEffect(c)
+	e1:SetType(EFFECT_TYPE_SINGLE)
+	e1:SetCode(EFFECT_SET_ATTACK_FINAL)
+	e1:SetReset(RESETS_STANDARD_PHASE_END)
+	e1:SetValue(atk/2)
+	hc:RegisterEffect(e1)
+	if not hc:IsImmuneToEffect(e1) and #g>0 then
+		--Add that lost ATK to the other monster
+		local e2=Effect.CreateEffect(c)
+		e2:SetType(EFFECT_TYPE_SINGLE)
+		e2:SetCode(EFFECT_UPDATE_ATTACK)
+		e2:SetReset(RESETS_STANDARD_PHASE_END)
+		e2:SetValue(atk/2)
+		g:GetFirst():RegisterEffect(e2)
+	end
+end