Use table.copy instead of each separate function

mesecons_luacontroller/init.lua

@@ -475,52 +475,8 @@ local function create_environment(pos, mem, event, itbl, send_warning)
 			find = safe_string_find,
 			split = safe_string_split,
 		},
-		math = {
+		math = table.copy(math),
-			abs = math.abs,
+		table = table.copy(table),
-			acos = math.acos,
-			asin = math.asin,
-			atan = math.atan,
-			atan2 = math.atan2,
-			ceil = math.ceil,
-			cos = math.cos,
-			cosh = math.cosh,
-			deg = math.deg,
-			exp = math.exp,
-			factorial = math.factorial,
-			floor = math.floor,
-			fmod = math.fmod,
-			frexp = math.frexp,
-			huge = math.huge,
-			hypot = math.hypot,
-			ldexp = math.ldexp,
-			log = math.log,
-			log10 = math.log10,
-			max = math.max,
-			min = math.min,
-			modf = math.modf,
-			pi = math.pi,
-			pow = math.pow,
-			rad = math.rad,
-			random = math.random,
-			sin = math.sin,
-			sing = math.sign,
-			sinh = math.sinh,
-			sqrt = math.sqrt,
-			tan = math.tan,
-			tanh = math.tanh,
-		},
-		table = {
-			concat = table.concat,
-			copy = table.copy,
-			indexof = table.indexof,
-			insert = table.insert,
-			insert_all = table.insert_all,
-			key_value_swap = table.key_value_swap,
-			maxn = table.maxn,
-			remove = table.remove,
-			shuffle = table.shuffle,
-			sort = table.sort,
-		},
 		os = {
 			clock = os.clock,
 			difftime = os.difftime,
@@ -530,7 +486,7 @@ local function create_environment(pos, mem, event, itbl, send_warning)
 		dump2 = dump2,
 		dump = dump,
 		minetest = {
-			wrap_text = minetest.wrap_text,
+			--wrap_text = minetest.wrap_text,
 			pos_to_string = minetest.pos_to_string,
 			string_to_pos = minetest.string_to_pos,
 			string_to_area = minetest.string_to_area,
@@ -544,7 +500,7 @@ local function create_environment(pos, mem, event, itbl, send_warning)
 			encode_base64 = minetest.encode_base64,
 			decode_base64 = minetest.decode_base64,
 		},
-		vector = vector,
+		vector = table.copy(vector),
 	}
 	env._G = env