diff --git a/.gitignore b/.gitignore
index 839d15c012..cf05f7ee95 100644
--- a/.gitignore
+++ b/.gitignore
@@ -55,5 +55,6 @@ Temporary Items
 todo.txt
 addon.json
 *.gma
+.luarc.json
 
 ttt2.jpg
diff --git a/.luarc.json.example b/.luarc.json.example
new file mode 100644
index 0000000000..a2e6f2da2a
--- /dev/null
+++ b/.luarc.json.example
@@ -0,0 +1,31 @@
+{
+	"$schema": "https://raw.githubusercontent.com/sumneko/vscode-lua/master/setting/schema.json",
+	"diagnostics.disable": [
+		"duplicate-set-field",
+		"unused-local",
+		"lowercase-global"
+	],
+	"diagnostics.globals": [
+		"GM",
+		"TRAITOR",
+		"DETECTIVE",
+		"BaseClass",
+		"CLGAMEMODESUBMENU"
+	],
+	"format.enable": false,
+	"runtime.special": {
+		"include": "require",
+		"includeCS": "require"
+	},
+	"runtime.version": "Lua 5.1",
+	"runtime.nonstandardSymbol": [
+		"!",
+		"!=",
+		"&&",
+		"||",
+		"//",
+		"/**/",
+		"continue"
+	],
+	"workspace.checkThirdParty": false
+}
diff --git a/gamemodes/terrortown/entities/entities/ttt_c4/shared.lua b/gamemodes/terrortown/entities/entities/ttt_c4/shared.lua
index 0f8635fdf9..f485d39836 100644
--- a/gamemodes/terrortown/entities/entities/ttt_c4/shared.lua
+++ b/gamemodes/terrortown/entities/entities/ttt_c4/shared.lua
@@ -76,12 +76,12 @@ AccessorFunc(ENT, "timer_length", "TimerLength", FORCE_NUMBER)
 ---
 -- @accessor number
 -- @realm shared
-AccessorFuncDT(ENT, "explode_time", "ExplodeTime")
+AccessorFunc(ENT, "explode_time", "ExplodeTime", FORCE_NUMBER)
 
 ---
 -- @accessor boolean
 -- @realm shared
-AccessorFuncDT(ENT, "armed", "Armed", FORCE_BOOL)
+AccessorFunc(ENT, "armed", "Armed", FORCE_BOOL)
 
 ENT.timeBeep = 0
 ENT.safeWires = nil
diff --git a/gamemodes/terrortown/entities/entities/ttt_health_station.lua b/gamemodes/terrortown/entities/entities/ttt_health_station.lua
index 5a8b4af02d..388ca2af31 100644
--- a/gamemodes/terrortown/entities/entities/ttt_health_station.lua
+++ b/gamemodes/terrortown/entities/entities/ttt_health_station.lua
@@ -28,7 +28,7 @@ ENT.HealFreq = 0.2
 ---
 -- @accessor number
 -- @realm shared
-AccessorFuncDT(ENT, "StoredHealth", "StoredHealth")
+AccessorFunc(ENT, "StoredHealth", "StoredHealth", FORCE_NUMBER)
 
 ---
 -- @accessor Player
diff --git a/gamemodes/terrortown/gamemode/shared/sh_door.lua b/gamemodes/terrortown/gamemode/shared/sh_door.lua
index 4234c0613d..0bd68bbf5f 100644
--- a/gamemodes/terrortown/gamemode/shared/sh_door.lua
+++ b/gamemodes/terrortown/gamemode/shared/sh_door.lua
@@ -18,7 +18,7 @@ local function GetDataString(ply, data)
 		dataTable[#dataTable + 1] = data
 	end
 
-	return string.Implode("||", dataTable)
+	return table.concat(dataTable, "||")
 end
 
 ---
diff --git a/gamemodes/terrortown/gamemode/shared/sh_equip_items.lua b/gamemodes/terrortown/gamemode/shared/sh_equip_items.lua
index 82d1cb4c2b..702b1660a6 100644
--- a/gamemodes/terrortown/gamemode/shared/sh_equip_items.lua
+++ b/gamemodes/terrortown/gamemode/shared/sh_equip_items.lua
@@ -577,7 +577,7 @@ if SERVER then
 	end, "ttt2changeshops")
 
 	cvars.AddChangeCallback("ttt2_random_shop_items", function(name, old, new)
-		local tmp = tonumber(new)
+		local tmp = tonumber(new, 10)
 
 		SetGlobalInt("ttt2_random_shop_items", tmp)
 
@@ -601,7 +601,7 @@ if SERVER then
 	end, "ttt2updatererollglobal")
 
 	cvars.AddChangeCallback("ttt2_random_shop_reroll_cost", function(name, old, new)
-		SetGlobalInt("ttt2_random_shop_reroll_cost", tonumber(new))
+		SetGlobalInt("ttt2_random_shop_reroll_cost", tonumber(new, 10))
 	end, "ttt2updatererollcostglobal")
 
 	cvars.AddChangeCallback("ttt2_random_shop_reroll_per_buy", function(name, old, new)
@@ -759,6 +759,7 @@ end
 -- @internal
 -- @realm shared
 function InitFallbackShops()
+	-- TODO do we really not use TEAM_* or ROLE_* for the shops?
 	local tbl = {TRAITOR, DETECTIVE}
 
 	for i = 1, #tbl do
@@ -857,7 +858,7 @@ end
 -- @realm shared
 -- @local
 local function ValueToKey(tbl)
-	local tmp = tmp or {}
+	local tmp = {}
 
 	for key, value in pairs(tbl) do
 		tmp[value] = value
@@ -890,6 +891,7 @@ end
 -- @realm shared
 function InitDefaultEquipment(eq)
 	CleanUpDefaultCanBuyIndices(eq)
+	-- TODO same as above
 	InitDefaultEquipmentForRole(TRAITOR, eq)
 	InitDefaultEquipmentForRole(DETECTIVE, eq)
 end
@@ -967,6 +969,7 @@ end
 -- @realm shared
 function ResetDefaultEquipment(eq)
 	CleanUpDefaultCanBuyIndices(eq)
+	-- TODO same as above
 	ResetDefaultEquipmentForRole(TRAITOR, eq)
 	ResetDefaultEquipmentForRole(DETECTIVE, eq)
 end
diff --git a/gamemodes/terrortown/gamemode/shared/sh_init.lua b/gamemodes/terrortown/gamemode/shared/sh_init.lua
index b5fa6c803e..7a97217561 100644
--- a/gamemodes/terrortown/gamemode/shared/sh_init.lua
+++ b/gamemodes/terrortown/gamemode/shared/sh_init.lua
@@ -426,8 +426,8 @@ if CLIENT then
 		if not tbl or #tbl < 2 then return end
 
 		local _func = function(adata, bdata)
-			a = adata.id
-			b = bdata.id
+			local a = adata.id
+			local b = bdata.id
 
 			if tonumber(a) and not tonumber(b) then
 				return true
diff --git a/gamemodes/terrortown/gamemode/shared/sh_rolelayering.lua b/gamemodes/terrortown/gamemode/shared/sh_rolelayering.lua
index 4268efd37c..b13f73795d 100644
--- a/gamemodes/terrortown/gamemode/shared/sh_rolelayering.lua
+++ b/gamemodes/terrortown/gamemode/shared/sh_rolelayering.lua
@@ -165,7 +165,7 @@ if CLIENT then
 	-- @realm client
 	function rolelayering.RequestDataFromServer(role)
 		net.Start("TTT2SyncRolelayerData")
-		net.WriteBit(0) -- Request data = 0, Send data = 1
+		net.WriteBit(false) -- Request data = false, Send data = true
 		net.WriteUInt(role or ROLE_NONE, ROLE_BITS)
 		net.SendToServer()
 	end
@@ -180,7 +180,7 @@ if CLIENT then
 	-- @realm client
 	function rolelayering.SendDataToServer(role, layers)
 		net.Start("TTT2SyncRolelayerData")
-		net.WriteBit(1) -- Request data = 0, Send data = 1
+		net.WriteBit(true) -- Request data = false, Send data = true
 
 		net.WriteUInt(role or ROLE_NONE, ROLE_BITS)
 
diff --git a/lua/ttt2/libraries/none.lua b/lua/ttt2/libraries/none.lua
index 3855779549..e24623eb99 100644
--- a/lua/ttt2/libraries/none.lua
+++ b/lua/ttt2/libraries/none.lua
@@ -22,23 +22,6 @@ function clr(color)
 	return color.r, color.g, color.b, color.a
 end
 
----
--- This @{function} creates a getter and a setter @{function} based on the name and the prefix "Get" and "Set"
--- @param table tbl the @{table} that should receive the Getter and Setter @{function}
--- @param string varname the name the tbl @{table} should have as key value
--- @param string name the name that should be concatenated to the prefix "Get" and "Set"
--- @realm shared
-function AccessorFuncDT(tbl, varname, name)
-	tbl["Get" .. name] = function(s)
-		return s.dt and s.dt[varname]
-	end
-
-	tbl["Set" .. name] = function(s, v)
-		if s.dt then
-			s.dt[varname] = v
-		end
-	end
-end
 
 ---
 -- Short helper for input.LookupBinding, returns capitalised key or a default