convert to Lua

This doesn't actually need to be two files anymore.  Previously, XML
forced us to split actors apart at a finer level than was natural.  This could
be merged into a single file easily now, but I've left it as two for now for
demonstration and testing purposes.

stepmania/Themes/default/BGAnimations/ScreenEvaluationStage overlay/default.lua

@@ -0,0 +1,10 @@
+return Def.ActorFrame {
+	children = {
+		LoadActor("life graph")(PLAYER_1) .. {
+			InitCommand = cmd(x,SCREEN_LEFT+96;y,SCREEN_CENTER_Y+91),
+		},
+		LoadActor("life graph")(PLAYER_2) .. {
+			InitCommand = cmd(x,SCREEN_LEFT-96;y,SCREEN_CENTER_Y+91),
+		},
+	}
+}

stepmania/Themes/default/BGAnimations/ScreenEvaluationStage overlay/life graph.lua

@@ -0,0 +1,25 @@
+local Player = ...
+assert( Player );
+
+local t = Def.ActorFrame {
+children = {
+	Def.GraphDisplay {
+		OnCommand=function(self)
+			local Stats = STATSMAN:GetCurStageStats();
+			self:LoadFromStats( Stats, Stats:GetPlayerStageStats(Player) )
+		end,
+		-- Input = { Name="Player" },
+		Texture = Def.Layer {
+			File="LifeGraph p1",
+			InitCommand=cmd(ztest,1;diffusealpha,0),
+			OnCommand=cmd(linear,0.5;diffusealpha,1),
+			OffCommand=cmd(linear,0.5;diffusealpha,0),
+		},
+		Line = Def.Layer { InitCommand=cmd(hidden,1) },
+		Body = Def.Layer { InitCommand=cmd(zwrite,1;blend,"BlendMode_NoEffect") },
+		SongBoundary = Def.Actor { InitCommand=cmd(hidden,1) },
+		Barely = Def.Actor { InitCommand=cmd(hidden,1) },
+	}
+}
+}
+return t