various theme things

Themes/_fallback/Scripts/02 Colors.lua

@@ -154,8 +154,11 @@ Colors = {
     Saturation(hInput)
     Alpha(hInput)
     HSV(iHue,fSaturation,fValue or any other overload) --]]
+	Alpha = function(cColor,fAlpha)
+		local c = cColor;
+		return { c[1],c[2],c[3],fAlpha };
+	end,
 }
-
 --[[ Fallbacks ]]
 function Color(c)
 	return Colors[c];
@@ -164,7 +167,7 @@ end;
 function BoostColor( cColor, fBoost )
 	local c = cColor;
 	return { c[1]*fBoost, c[2]*fBoost, c[3]*fBoost, c[4] };
-end
+end;
 
 function ColorLightTone(c)
 	return { c[1]+(c[1]/2), c[2]+(c[2]/2), c[3]+(c[3]/2), c[4] };

Themes/_fallback/Scripts/03 ProductivityHelpers.lua

@@ -39,11 +39,10 @@ function Actor:xy(actorX,actorY)
 	self:y(actorY);
 end;
 
--- MaskSource()
--- Sets an actor up as the source for a mask.
--- todo: pass in a variable that states whether or not to clearzbuffer
-function Actor:MaskSource()
-	self:clearzbuffer(true);
+-- MaskSource([clearzbuffer])
+-- Sets an actor up as the source for a mask. Clears zBuffer by default.
+function Actor:MaskSource(_)
+	self:clearzbuffer(_ or true);
 	self:zwrite(true);
 	self:blend('BlendMode_NoEffect');
 end;
@@ -130,8 +129,7 @@ end
 --[[ end helper functions ]]
 -- this code is in the public domain.
 
---[[ Lists & Functions (sm-ssc specific code) ]]
-
+--[[ these should probably be moved into another file: ]]
 function GameCompatibleModes()
 	sGame = GAMESTATE:GetCurrentGame():GetName();
 	local Modes = {