many worldgen mods and gonna try technic now

mods/technic_plus/technic/util/throttle.lua

@@ -0,0 +1,26 @@
+
+local function throttle(callspersecond, fn)
+	local time = 0
+	local count = 0
+
+	return function(...)
+		local now = minetest.get_us_time()
+		if (now - time) > 1000000 then
+			-- reset time
+			time = now
+			count = 0
+		else
+			-- check max calls
+			count = count + 1
+			if count > callspersecond then
+				return
+			end
+		end
+
+		return pcall(fn, ...)
+	end
+
+end
+
+
+return throttle