Merge pull request #617 from sidschingis/master

fixed sometimes referencing nil values

script/c14745409.lua

@@ -61,7 +61,7 @@ end
 function c14745409.operation(e,tp,eg,ep,ev,re,r,rp)
 	local c=e:GetHandler()
 	local tc=Duel.GetFirstTarget()
-	if c:IsRelateToEffect(e) and tc:IsRelateToEffect(e) and tc:IsFaceup() and c:CheckUniqueOnField(tp) then
+	if c:IsRelateToEffect(e) and tc and tc:IsRelateToEffect(e) and tc:IsFaceup() and c:CheckUniqueOnField(tp) then
 		Duel.Equip(tp,c,tc)
 	end
 end

script/c53347303.lua

@@ -54,7 +54,7 @@ function c53347303.discon(e,tp,eg,ep,ev,re,r,rp)
 	if c:IsStatus(STATUS_BATTLE_DESTROYED) then return false end
 	if not re:IsHasProperty(EFFECT_FLAG_CARD_TARGET) then return end
 	local loc,tg=Duel.GetChainInfo(ev,CHAININFO_TRIGGERING_LOCATION,CHAININFO_TARGET_CARDS)
-	if not tg:IsContains(c) then return false end
+	if not tg or not tg:IsContains(c) then return false end
 	if (not Duel.IsChainNegatable(ev)) or loc==LOCATION_DECK then return false end
 	return true
 end

script/c58607704.lua

@@ -32,7 +32,7 @@ function c58607704.tgtg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
 end
 function c58607704.tgop(e,tp,eg,ep,ev,re,r,rp)
 	local g=Duel.GetChainInfo(0,CHAININFO_TARGET_CARDS)
-	if g:GetFirst():IsRelateToEffect(e) then
+	if g and g:GetFirst():IsRelateToEffect(e) then
 		Duel.ChangeTargetCard(ev,g)
 	end
 end

script/c62107612.lua

@@ -14,7 +14,7 @@ function c62107612.initial_effect(c)
 	c:RegisterEffect(e1)
 end
 function c62107612.condition(e,tp,eg,ep,ev,re,r,rp)
-	return bit.band(r,REASON_EFFECT)~=0 and re:GetHandler():GetCode()==93717133
+	return bit.band(r,REASON_EFFECT)~=0 and re and re:GetHandler():GetCode()==93717133
 end
 function c62107612.cost(e,tp,eg,ep,ev,re,r,rp,chk)
 	if chk==0 then return Duel.GetFlagEffect(tp,62107612)==0 and e:GetHandler():IsAbleToGraveAsCost() end

script/c73544866.lua

@@ -38,7 +38,7 @@ end
 function c73544866.negop(e,tp,eg,ep,ev,re,r,rp)
 	local c=e:GetHandler()
 	local bc=c:GetBattleTarget()
-	if bc:IsType(TYPE_EFFECT) and bc:IsStatus(STATUS_BATTLE_DESTROYED) then
+	if bc and bc:IsType(TYPE_EFFECT) and bc:IsStatus(STATUS_BATTLE_DESTROYED) then
 		local e1=Effect.CreateEffect(c)
 		e1:SetType(EFFECT_TYPE_SINGLE)
 		e1:SetCode(EFFECT_DISABLE)