Pseudo-random animated vmt material

"VetexLitGeneric"
{
	"$basetexture" "your/animated/texture"
	
	//Put your desired values here

	// Edit these
	$_totalframes 4
	$_framerate 2 //animatedTextureFrameRate
	
	//Do not touch these
	$frame 0
	$_frame 0
	$_frame_frac 0.00
	$_frame_int 0.00
	$_prevframe 0
	$_framecmp 0
	$_framecmpabs 0
	$_framecollision 0
	$_animatedtextureframe 0
	$_currentframe 0
	$_currenttime 0
	$_currenttime_frac 0.00
	$_currenttime_int 0
	$_noisevalue 0
	$_assignnoisevalue 0
	$_zero 0
	$_one 1
	$_two 2
	$_zeropointone 0.02
		
	"Proxies"
	{
		"AnimatedTexture"
		{
			animatedTextureVar "$basetexture"
			animatedTextureFrameNumVar $_animatedtextureframe
			animatedTextureFrameRate 2 // Must be same as $_framerate. Assigning value doesn't work
		}
		//Random value
		"UniformNoise"
		{
			minVal 1
			maxVal "$_totalframes"
			resultVar "$_noisevalue"
		}
		//Increase over time
		"LinearRamp"
		{
			rate "$_framerate"
			initialValue 1
			resultVar "$_currenttime"
		}
		// Frac part of currenttime
		"Frac"
		{
			srcVar1 "$_currenttime"
			resultVar "$_currenttime_frac"
		}
		// Int part of currenttime
		"Subtract"
		{
			srcVar1 "$_currenttime"
			srcVar2 "$_currenttime_frac"
			resultVar "$_currenttime_int"
		}
		//Is it time to assign random value?
		"LessOrEqual"
        {
			srcVar1 "$_currenttime_frac" // if srcVar1
			srcVar2 "$_zeropointone" // <= srcVar2
			resultVar "$_assignnoisevalue" // resultVar =
			LessEqualVar "$_one" // LessEqualVar
			greaterVar "$_zero" // else resultVar = greaterVar
		}
		// It's time to assign random value, do it if needed
		"LessOrEqual"
        {
			srcVar1 "$_assignnoisevalue" // if srcVar1
			srcVar2 "$_zero" // <= srcVar2
			resultVar "$_frame" // resultVar =
			LessEqualVar "$_frame" // LessEqualVar
			greaterVar "$_noisevalue" // else resultVar = greaterVar
		}
		
		"Frac" //Frac part of frame
		{
			srcVar1 "$_frame"
			resultVar "$_frame_frac"
		}
		"Subtract" //Int part of frame
		{
			srcVar1 "$_frame"
			srcVar2 "$_frame_frac"
			resultVar "$_frame_int"
		}
		Equals
		{
			srcVar1 "$_frame_int"
			resultVar "$frame"
		}
	}
}