A simple implementation of a debug logging system, which can filter messages based on the a bitfield cvar

cvarinfo.txt

server int MyMod_DebugFilter = 0;

menudef.txt

OptionMenu "MyMod_Debugging" {
	Title "Debugging Filter Settings"
	// bitfield positions
	FlagOption "Filter 1","MyMod_DebugFilter","OnOff",0
	FlagOption "Filter 2","MyMod_DebugFilter","OnOff",1
	FlagOption "Filter 3","MyMod_DebugFilter","OnOff",2
	FlagOption "Filter 4","MyMod_DebugFilter","OnOff",3
	FlagOption "Filter 5","MyMod_DebugFilter","OnOff",4
	FlagOption "Filter 6","MyMod_DebugFilter","OnOff",5
	FlagOption "Filter 7","MyMod_DebugFilter","OnOff",6
	FlagOption "Filter 8","MyMod_DebugFilter","OnOff",7
}

zscript.zsc

//Bitfield values
enum MyMod_DebugFilters {
	DBG_Filter1 = 1,
	DBG_Filter2 = 2,
	DBG_Filter3 = 4,
	DBG_Filter4 = 8,
	DBG_Filter5 = 16,
	DBG_Filter6 = 32,
	DBG_Filter7 = 64,
	DBG_Filter8 = 128,
};

class MyModUtilities {
	static play void LogDebug(int dbgfilter, string message) {
		if (MyMod_DebugFilter & dbgfilter) {
			console.printf(message);
		}
	}
}

class TestActor : Actor {
	override void PostBeginPlay() {
		super.PostBeginPlay();
		MyModUtilities.LogDebug(DBG_Filter1, string.format("My classname is "..self.GetClassName()));
		MyModUtilities.LogDebug(DBG_Filter2, string.format("The current map tick is"..level.maptime));
		MyModUtilities.LogDebug(DBG_Filter3, string.format("The host player's health is "..players[0].mo.health));
	}
}