Add support for items that disable other item slots

src/Modules/CalcSetup.lua

@@ -570,9 +570,10 @@ function calcs.initEnv(build, mode, override, specEnv)
 	modDB:NewMod("Multiplier:AllocatedNotable", "BASE", allocatedNotableCount, "")
 	modDB:NewMod("Multiplier:AllocatedMastery", "BASE", allocatedMasteryCount, "")
 	modDB:NewMod("Multiplier:AllocatedMasteryType", "BASE", allocatedMasteryTypeCount, "")
-
+	
 	-- Build and merge item modifiers, and create list of radius jewels
 	if not accelerate.requirementsItems then
+		local items = {}
 		for _, slot in pairs(build.itemsTab.orderedSlots) do
 			local slotName = slot.slotName
 			local item
@@ -638,6 +639,91 @@ function calcs.initEnv(build, mode, override, specEnv)
 					end
 				end
 			end
+			items[slotName] = item
+		end
+
+		if not env.configInput.ignoreItemDisablers then
+			local itemDisabled = {}
+			local unhandledItemDisablers = { size = 1}
+			if modDB:Flag(nil, "CanNotUseHelm") then
+				itemDisabled["Helmet"] = { disabled = true, size = 1 }
+			end
+			for _, slot in pairs(build.itemsTab.orderedSlots) do
+				local slotName = slot.slotName
+				if items[slotName] then
+					local srcList = items[slotName].modList or items[slotName].slotModList[slot.slotNum]
+					for _, mod in ipairs(srcList) do
+						-- checks if it disables another slot
+						for _, tag in ipairs(mod) do
+							if tag.type == "DisablesItem" then
+								unhandledItemDisablers[slotName] = unhandledItemDisablers[slotName] and unhandledItemDisablers[slotName] or {}
+								t_insert(unhandledItemDisablers[slotName], tag.slotName)
+								unhandledItemDisablers.size = unhandledItemDisablers.size + 1
+								itemDisabled[tag.slotName] = itemDisabled[tag.slotName] and itemDisabled[tag.slotName] or { size = 0}
+								itemDisabled[tag.slotName][slotName] = true
+								itemDisabled[tag.slotName].size = itemDisabled[tag.slotName].size + 1
+								break
+							end
+						end
+					end
+				end
+			end
+			while unhandledItemDisablers.size > 0 do
+				local stalemateBreaker = true
+				for slot, itemData in pairs(unhandledItemDisablers) do
+					if slot ~= "size" then
+						if not itemDisabled[slot] then
+							for _, slot2 in ipairs(unhandledItemDisablers[slot]) do
+								if unhandledItemDisablers[slot2] then
+									for _, slot3 in ipairs(unhandledItemDisablers[slot2]) do
+										itemDisabled[slot3][slot2] = nil
+										itemDisabled[slot3].size = itemDisabled[slot3].size - 1
+										if itemDisabled[slot3].size == 0 then
+											itemDisabled[slot3] = nil
+										end
+									end
+									unhandledItemDisablers[slot2] = nil
+									unhandledItemDisablers.size = unhandledItemDisablers.size - 1
+								end
+							end						
+							unhandledItemDisablers[slot] = nil
+							unhandledItemDisablers.size = unhandledItemDisablers.size - 1
+							stalemateBreaker = false
+						end
+					end
+				end
+				-- if goes through an entire iteration without handling an unhandled Item Disabler, just take the first one
+				if stalemateBreaker then
+					for slot, itemData in pairs(unhandledItemDisablers) do
+						if slot ~= "size" then
+							for _, slot2 in ipairs(unhandledItemDisablers[slot]) do
+								if unhandledItemDisablers[slot2] then
+									for _, slot3 in ipairs(unhandledItemDisablers[slot2]) do
+										itemDisabled[slot3][slot2] = nil
+										itemDisabled[slot3].size = itemDisabled[slot3].size - 1
+										if itemDisabled[slot3].size == 0 then
+											itemDisabled[slot3] = nil
+										end
+									end
+									unhandledItemDisablers[slot2] = nil
+									unhandledItemDisablers.size = unhandledItemDisablers.size - 1
+								end
+							end						
+							unhandledItemDisablers[slot] = nil
+							break
+						end
+					end
+					unhandledItemDisablers.size = unhandledItemDisablers.size - 1
+				end
+			end
+			for slot, _ in pairs(itemDisabled) do
+				items[slot] = nil
+			end
+		end
+
+		for _, slot in pairs(build.itemsTab.orderedSlots) do
+			local slotName = slot.slotName
+			local item = items[slotName]
 			if item and item.type == "Flask" then
 				if slot.active then
 					env.flasks[item] = true

src/Modules/ConfigOptions.lua

@@ -140,6 +140,7 @@ return {
 	{ var = "EVBypass", type = "check", label = "Disable Emperor's Vigilance Bypass", ifCond = "EVBypass", apply = function(val, modList, enemyModList)
 		modList:NewMod("Condition:EVBypass", "FLAG", true, "Config")
 	end },
+	{ var = "ignoreItemDisablers", type = "check", label = "Ignore Item Disablers", tooltip = "Ignore the effects of things which disable items, like bringer of rain" },
 
 	-- Section: Skill-specific options
 	{ section = "Skill Options", col = 2 },

src/Modules/ModParser.lua

@@ -3521,6 +3521,12 @@ local specialModList = {
 	["added small passive skills have (%d+)%% increased effect"] = function(num) return { mod("JewelData", "LIST", { key = "clusterJewelIncEffect", value = num }) } end,
 	["this jewel's socket has (%d+)%% increased effect per allocated passive skill between it and your class' starting location"] = function(num) return { mod("JewelData", "LIST", { key = "jewelIncEffectFromClassStart", value = num }) } end,
 	-- Misc
+	["can't use chest armour"] = { mod("CanNotUseBody", "Flag", 1, { type = "DisablesItem", slotName = "Body Armour" }) },
+	--["can't use helmets"] = { mod("CanNotUseHelmet", "Flag", 1, { type = "DisablesItem", slotName = "Helmet" }) }, -- this one does not work due to being on a passive?
+	["can't use helmet"] = { mod("CanNotUseHelmet", "Flag", 1, { type = "DisablesItem", slotName = "Helmet" }) }, -- this is to allow for custom mod without saying the other is parsed
+	["can't use other rings"] = { mod("CanNotUseRightRing", "Flag", 1, { type = "DisablesItem", slotName = "Ring 2" }, { type = "SlotNumber", num = 1 }), mod("CanNotUseLeftRing", "Flag", 1, { type = "DisablesItem", slotName = "Ring 1" }, { type = "SlotNumber", num = 2 }) },
+	["uses both hand slots"] = { mod("CanNotUseRightWeapon", "Flag", 1, { type = "DisablesItem", slotName = "Weapon 2" }, { type = "SlotNumber", num = 1 }), mod("CanNotUseLeftWeapon", "Flag", 1, { type = "DisablesItem", slotName = "Weapon 1" }, { type = "SlotNumber", num = 2 }) },
+	["can't use flask in fifth slot"] = { mod("CanNotUseFifthFlask", "Flag", 1, { type = "DisablesItem", slotName = "Flask 5" }) },
 	["boneshatter has (%d+)%% chance to grant %+1 trauma"] = function(num) return { mod("ExtraTrauma", "BASE", num, { type = "SkillName", skillName = "Boneshatter" }) } end,
 	["your minimum frenzy, endurance and power charges are equal to your maximum while you are stationary"] = {
 		flag("MinimumFrenzyChargesIsMaximumFrenzyCharges", {type = "Condition", var = "Stationary" }),