add environment variables that themes can use to save state

stepmania/src/GameState.h

@@ -62,6 +62,7 @@ public:
 	bool IsCourseDifficultyShown( CourseDifficulty cd );
 	Difficulty GetEasiestNotesDifficulty() const;
 	RageTimer			m_timeGameStarted;	// from the moment the first player pressed Start
+	map<CString,CString> m_mapEnv;
 
 	/* This is set to a random number per-game/round; it can be used for a random seed. */
 	int				m_iGameSeed, m_iRoundSeed;

stepmania/src/LuaFunctions.h

@@ -75,6 +75,19 @@ int LuaFunc_##func( lua_State *L ) { \
 } \
 LuaFunction( func ); /* register it */
 
+#define LuaFunction_StrStr( func, call ) \
+int LuaFunc_##func( lua_State *L ) { \
+	REQ_ARGS( #func, 2 ); \
+	REQ_ARG( #func, 1, string ); \
+	REQ_ARG( #func, 2, string ); \
+	CString str1; \
+	CString str2; \
+	Lua::PopStack( L, str2 ); \
+	Lua::PopStack( L, str1 ); \
+	LUA_RETURN( call ); \
+} \
+LuaFunction( func ); /* register it */
+
 /* Functions that take a single PlayerNumber argument: */
 #define LuaFunction_PlayerNumber( func, call ) \
 int LuaFunc_##func( lua_State *L ) { \

stepmania/src/ModeChoice.cpp

@@ -197,6 +197,12 @@ void ModeChoice::Load( int iIndex, CString sChoice )
 		
 		if( sName == "screen" )
 			m_sScreen = sValue;
+
+		if( sName == "setenv" )
+		{
+			ASSERT( asBits.size() == 2 );
+			m_SetEnv[ asBits[0] ] = asBits[1];
+		}
 	}
 
 	if( !m_bInvalid && sSteps != "" )
@@ -383,9 +389,8 @@ bool ModeChoice::IsPlayable( CString *why ) const
 
 void ModeChoice::ApplyToAllPlayers() const
 {
-	FOREACH_PlayerNumber( pn )
+	FOREACH_HumanPlayer( pn )
-		if( GAMESTATE->IsHumanPlayer(pn) )
+		Apply( pn);
-			Apply((PlayerNumber) pn);
 
 	if( m_sScreen != "" )
 		SCREENMAN->SetNewScreen( m_sScreen );
@@ -458,6 +463,8 @@ void ModeChoice::Apply( PlayerNumber pn ) const
 		GAMESTATE->ChangePreferredCourseDifficulty( pn, m_CourseDifficulty );
 	if( m_pCharacter )
 		GAMESTATE->m_pCurCharacters[pn] = m_pCharacter;
+	for( map<CString,CString>::const_iterator i = m_SetEnv.begin(); i != m_SetEnv.end(); i++ )
+		GAMESTATE->m_mapEnv[ i->first ] = i->second;
 
 	// HACK:  Set life type to BATTERY just once here so it happens once and 
 	// we don't override the user's changes if they back out.

stepmania/src/ScreenSelect.cpp

@@ -65,7 +65,6 @@ ScreenSelect::ScreenSelect( CString sClassName ) : ScreenWithMenuElements(sClass
 	//
 	// Load codes
 	//
-	{
 	for( int c=0; c<NUM_CODES; c++ )
 	{
 		CodeItem code;
@@ -78,7 +77,6 @@ ScreenSelect::ScreenSelect( CString sClassName ) : ScreenWithMenuElements(sClass
 		mc.Load( c, CODE_ACTION(c) );
 		m_aCodeChoices.push_back( mc );
 	}
-	}
 
 	if( !m_aModeChoices.size() )
 		RageException::Throw( "Screen \"%s\" does not set any choices", m_sName.c_str() );

stepmania/src/ScreenTitleMenu.cpp

@@ -19,6 +19,7 @@
 #include "UnlockSystem.h"
 #include "ProductInfo.h"
 #include "LightsManager.h"
+#include "CodeDetector.h"
 
 
 #define LOGO_ON_COMMAND				THEME->GetMetric("ScreenTitleMenu","LogoOnCommand")
@@ -298,7 +299,8 @@ void ScreenTitleMenu::Input( const DeviceInput& DeviceI, const InputEventType ty
 		SCREENMAN->SystemMessage( ssprintf("Game: %s",GAMESTATE->GetCurrentGameDef()->m_szName) );
 		SCREENMAN->SetNewScreen( "ScreenTitleMenu" );
 	}
-//	Screen::Input( DeviceI, type, GameI, MenuI, StyleI );
+
+	ScreenSelect::Input( DeviceI, type, GameI, MenuI, StyleI );
 }
 
 void ScreenTitleMenu::Update( float fDelta )