Fix Eldritch implicit cleanup after influence reset

spec/System/TestItemParse_spec.lua

@@ -368,6 +368,37 @@ describe("TestItemParse", function()
 		assert.truthy(item.explicitModLines[1].exarch)
 	end)
 
+	it("removes Eldritch implicits when influence removed", function()
+		local eldritchRaw = table.concat({
+			"Searing Exarch Item",
+			"Eater of Worlds Item",
+			"Implicits: 2",
+			"{exarch}+8 to Strength",
+			"{eater}+9 to Dexterity",
+		}, "\n")
+		local item = new("Item", raw(eldritchRaw))
+		assert.are.equals(2, #item.implicitModLines)
+		assert.truthy(item.cleansing)
+		assert.truthy(item.tangle)
+
+		item:ResetInfluence()
+		item.tangle = true
+		item:BuildAndParseRaw()
+
+		assert.falsy(item.cleansing)
+		assert.truthy(item.tangle)
+		assert.are.equals(1, #item.implicitModLines)
+		assert.truthy(item.implicitModLines[1].eater)
+		assert.are.equals("+9 to Dexterity", item.implicitModLines[1].line)
+
+		item:ResetInfluence()
+		item:BuildAndParseRaw()
+
+		assert.falsy(item.cleansing)
+		assert.falsy(item.tangle)
+		assert.are.equals(0, #item.implicitModLines)
+	end)
+
 	it("fractured", function()
 		local item = new("Item", raw("{fractured}+8 to Strength"))
 		assert.truthy(item.explicitModLines[1].fractured)

src/Classes/Item.lua

@@ -1043,7 +1043,19 @@ function ItemClass:BuildRaw()
 	if self.itemLevel then
 		t_insert(rawLines, "Item Level: " .. self.itemLevel)
 	end
+	local function shouldWriteModLine(modLine)
+		if modLine.exarch and not self.cleansing then
+			return false
+		end
+		if modLine.eater and not self.tangle then
+			return false
+		end
+		return true
+	end
 	local function writeModLine(modLine)
+		if not shouldWriteModLine(modLine) then
+			return
+		end
 		local line = modLine.line
 		if modLine.range and line:match("%(%-?[%d%.]+%-%-?[%d%.]+%)") then
 			line = "{range:" .. round(modLine.range, 3) .. "}" .. line
@@ -1142,7 +1154,18 @@ function ItemClass:BuildRaw()
 	if self.classRestriction then
 		t_insert(rawLines, "Requires Class " .. self.classRestriction)
 	end
-	t_insert(rawLines, "Implicits: " .. (#self.enchantModLines + #self.implicitModLines + #self.scourgeModLines))
+	local implicitLineCount = 0
+	local function countModLines(list)
+		for _, modLine in ipairs(list) do
+			if shouldWriteModLine(modLine) then
+				implicitLineCount = implicitLineCount + 1
+			end
+		end
+	end
+	countModLines(self.enchantModLines)
+	countModLines(self.scourgeModLines)
+	countModLines(self.implicitModLines)
+	t_insert(rawLines, "Implicits: " .. implicitLineCount)
 	for _, modLine in ipairs(self.enchantModLines) do
 		writeModLine(modLine)
 	end