some things.

Themes/_fallback/Scripts/02 Utilities.lua

@@ -141,6 +141,15 @@ function table.find(t, sFind)
 	return nil
 end
 
+--Get the count of all items in a table
+function table.itemcount(t)
+	local i = 0
+	while next(t)~=nil do
+		i=i+1
+	end
+	return i
+end
+
 function math.round(num, pre)
 	if pre and pre < 0 then pre = 0 end
 	local mult = 10^(pre or 0) 
@@ -201,6 +210,12 @@ function IsFreePlay()
 	return IsArcade() and (GAMESTATE:GetCoinMode() == 'CoinMode_Free') or false
 end
 
+function ArgsIfPlayerJoinedOrNil(arg1,arg2)
+	if arg1==nil then arg1=arg2
+	elseif arg2==nil then arg2=arg1 end
+	return (GAMESTATE:IsSideJoined(PLAYER_1) and arg1 or nil),(GAMESTATE:IsSideJoined(PLAYER_2) and arg2 or nil)
+end	
+
 function Center1Player()
 	local styleType = GAMESTATE:GetCurrentStyle():GetStyleType()
 	-- always center in OnePlayerTwoSides.

Themes/_fallback/Scripts/05 NewScoringFrontend.lua

@@ -6,11 +6,12 @@ It's unnecessary and problematic.]]
 ScoringModes={}
 
 local function CreateOldScoringShim(name)
+	local func = Scoring[name]
 	return function(judg,pss,player,mode)
 		judg,pss,player,mode=coroutine.yield()
 		while true do
 			if mode=="update" then
-				Scoring[name](judg,pss)
+				func(judg,pss)
 				judg,pss,player,mode=coroutine.yield(pss:GetScore(),pss:GetCurMaxScore())
 			elseif mode=="finalize" then
 				return pss:GetScore(),pss:GetCurMaxScore()
@@ -134,6 +135,22 @@ for k,v in pairs(Scoring) do
 	end
 end
 
+--if you are using the old Scoring system in the standard way, your theme will not need to be updated
+local OldCallShimMt={
+	__index=function(t,k,v)
+		return function(judg, _)
+			if GetNumReadiedScoreKeepers()==0 then
+				--lazy programming
+				InitScoreKeepers(ArgsIfPlayerJoinedOrNil(v))
+			end
+			UpdateScoreKeepers(judg)
+		end
+	end
+}
+
+Scoring={}
+setmetatable(Scoring,OldCallShimMt)
+
 function UserPrefScoringMode()
   local baseChoices = {}
   for k,v in pairs(ScoringModes) do table.insert(baseChoices,k) end

Themes/_fallback/Scripts/05 ScoringEngine2.lua

@@ -23,6 +23,10 @@ local function CoroutineIsGood(cr)
 	return coroutine.status(cr)=="suspended"
 end
 
+function GetNumReadiedScoreKeepers()
+	return table.itemcount(ReadiedScoreKeepers)
+end
+
 function InitScoreKeepers(p1Mode, p2Mode)
 	local newStgK = {pcall(GameState.GetStageSeed,GAMESTATE)}
 	assert(newStgK[1], "it's too early to initialize the ScoreKeepers, the GameState isn't ready yet")
@@ -115,4 +119,27 @@ function FinalizeScoreKeepers()
 		end
 	end
 	return true
-end
+end
+
+-- (c) 2012 Jack Walstrom and the spinal shark collective
+-- All rights reserved.
+--
+-- Permission is hereby granted, free of charge, to any person obtaining a
+-- copy of this software and associated documentation files (the
+-- "Software"), to deal in the Software without restriction, including
+-- without limitation the rights to use, copy, modify, merge, publish,
+-- distribute, and/or sell copies of the Software, and to permit persons to
+-- whom the Software is furnished to do so, provided that the above
+-- copyright notice(s) and this permission notice appear in all copies of
+-- the Software and that both the above copyright notice(s) and this
+-- permission notice appear in supporting documentation.
+--
+-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+-- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+-- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
+-- THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
+-- INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
+-- OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+-- OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+-- OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+-- PERFORMANCE OF THIS SOFTWARE.