--連命共有
--Engagement Destiny
local s,id=GetID()
function s.initial_effect(c)
	--activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_CHAINING)
	e1:SetCategory(CATEGORY_DAMAGE)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	local ex,cg,ct,cp,cv=Duel.GetOperationInfo(ev,CATEGORY_DAMAGE)
	if cv then e:SetLabel(cv) end
	if ex and (cp==1-tp or cp==PLAYER_ALL) then return true end
	ex,cg,ct,cp,cv=Duel.GetOperationInfo(ev,CATEGORY_RECOVER)
	if cv then e:SetLabel(cv) end
	return ex and (cp==1-tp or cp==PLAYER_ALL) and Duel.IsPlayerAffectedByEffect(1-tp,EFFECT_REVERSE_RECOVER)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	local cid=e:GetLabel()
	if chk==0 then return true end
	Duel.SetTargetPlayer(tp)
	Duel.SetTargetParam(cid/2)
	Duel.SetOperationInfo(0,CATEGORY_DAMAGE,nil,0,tp,cid/2)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	local cid=Duel.GetChainInfo(ev,CHAININFO_CHAIN_ID)
	local p,d=Duel.GetChainInfo(0,CHAININFO_TARGET_PLAYER,CHAININFO_TARGET_PARAM)
	local e1=Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_CHANGE_DAMAGE)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetTargetRange(0,1)
	e1:SetLabel(cid)
	e1:SetValue(s.damcon)
	e1:SetReset(RESET_CHAIN)
	Duel.RegisterEffect(e1,tp)
	Duel.Damage(p,d,REASON_EFFECT)
end
function s.damcon(e,re,val,r,rp,rc)
	local cc=Duel.GetCurrentChain()
	if cc==0 or (r&REASON_EFFECT)==0 then return val end
	local cid=Duel.GetChainInfo(0,CHAININFO_CHAIN_ID)
	if cid==e:GetLabel() then return val/2 end
	return val
end