Fix damage taken sorting on tree and unique list

spec/System/TestItemMods_spec.lua

@@ -40,6 +40,25 @@ describe("TetsItemMods", function()
 		assert.are.equals(68, build.calcsTab.mainOutput.ChaosResistTotal)
 	end)
 
+	it("sorts defensive item stats when the best score is negative", function()
+		build.configTab.input.enemyFireDamage = "1000"
+		build.configTab:BuildModList()
+		runCallback("OnFrame")
+
+		local itemDB = build.itemsTab.controls.uniqueDB
+		itemDB.db = { list = {
+			new("Item", "New Item\nRing"),
+			new("Item", "New Item\nRing\n+50% to Fire Resistance"),
+			new("Item", "New Item\nBroadhead Quiver"),
+		} }
+		itemDB:SetSortMode("FireTakenHit")
+
+		itemDB:ListBuilder()
+
+		assert.is_true(itemDB.list[1].measuredPower < 0)
+		assert.are.equals(-math.huge, itemDB.list[#itemDB.list].measuredPower)
+	end)
+
 	it("Both slots mod (evasion and es mastery)", function()
 
 		build.configTab.input.customMods = "\z

src/Classes/ItemDBControl.lua

@@ -239,17 +239,18 @@ function ItemDBClass:ListBuilder()
 		local start = GetTime()
 		local calcFunc, calcBase = self.itemsTab.build.calcsTab:GetMiscCalculator(self.build)
 		for itemIndex, item in ipairs(list) do
-			item.measuredPower = 0
+			item.measuredPower = nil
 			for slotName, slot in pairs(self.itemsTab.slots) do
 				if self.itemsTab:IsItemValidForSlot(item, slotName) and not slot.inactive and (not slot.weaponSet or slot.weaponSet == (self.itemsTab.activeItemSet.useSecondWeaponSet and 2 or 1)) then
 					local output = calcFunc(item.base.flask and { toggleFlask = item } or item.base.charm and { toggleCharm = item } or { repSlotName = slotName, repItem = item }, useFullDPS)
 					local measuredPower = output.Minion and output.Minion[self.sortMode] or output[self.sortMode] or 0
 					if self.sortDetail.transform then
 						measuredPower = self.sortDetail.transform(measuredPower)
 					end
-					item.measuredPower = m_max(item.measuredPower, measuredPower)
+					item.measuredPower = item.measuredPower and m_max(item.measuredPower, measuredPower) or measuredPower
 				end
 			end
+			item.measuredPower = item.measuredPower or -math.huge
 			local now = GetTime()
 			if now - start > 50 then
 				self.defaultText = "^7Sorting... ("..m_floor(itemIndex/#list*100).."%)"