Fix a crash that occured when changing themes that had differing numbers of song/course group colors.

Docs/Changelog_sm-ssc.txt

@@ -9,6 +9,15 @@ Not all changes are documented, for various reasons.
 supported but exist anyways.)
 _____________________________________________________________________________
 
+20100603
+--------
+* [MusicWheel] If AutoSetStyle is on and Autogen is off, some songs with valid
+  steps may be missing from the wheel. Re-add them by checking for every
+  playable StepsType when AutoSetStyle is on.
+  Fixes issue 147: http://ssc.ajworld.net/sm-ssc/bugtracker/view.php?id=147
+* Fix a crash that occured when changing themes that had differing numbers
+  of song/course group colors. (Yes, finally.)
+
 20100602
 --------
 * [Actor] add addrotationx, addrotationy, addrotationz bindings/commands

src/ScreenManager.cpp

@@ -81,9 +81,7 @@ static map<RString,CreateScreenFn>	*g_pmapRegistrees = NULL;
 
 namespace ScreenManagerUtil
 {
-	//
 	// in draw order first to last
-	//
 	struct LoadedScreen
 	{
 		Screen *m_pScreen;
@@ -112,7 +110,7 @@ namespace ScreenManagerUtil
 	vector<LoadedScreen>    g_vPreparedScreens;
 	vector<Actor*>          g_vPreparedBackgrounds;
 
-	/* Add a screen to g_ScreenStack.  This is the only function that adds to g_ScreenStack. */
+	// Add a screen to g_ScreenStack. This is the only function that adds to g_ScreenStack.
 	void PushLoadedScreen( const LoadedScreen &ls )
 	{
 		LOG->Trace( "PushScreen: \"%s\"", ls.m_pScreen->GetName().c_str() );
@@ -122,14 +120,14 @@ namespace ScreenManagerUtil
 		// during BeginScreen.
 		g_ScreenStack.push_back( ls );
 
-		/* Set the name of the loading screen. */
+		// Set the name of the loading screen.
 		{
 			LuaThreadVariable var1( "PreviousScreen", m_sPreviousTopScreen );
 			LuaThreadVariable var2( "LoadingScreen", ls.m_pScreen->GetName() );
 			ls.m_pScreen->BeginScreen();
 		}
 
-		/* If this is the new top screen, save the name. */
+		// If this is the new top screen, save the name.
 		if( g_ScreenStack.size() == 1 )
 			m_sPreviousTopScreen = ls.m_pScreen->GetName();
 
@@ -166,7 +164,7 @@ namespace ScreenManagerUtil
 
 	void BeforeDeleteScreen()
 	{
-		/* Deleting a screen can take enough time to cause a frame skip. */
+		// Deleting a screen can take enough time to cause a frame skip.
 		SCREENMAN->ZeroNextUpdate();
 	}
 
@@ -178,8 +176,8 @@ namespace ScreenManagerUtil
 		 * cached textures. */
 		TEXTUREMAN->DeleteCachedTextures();
 
-		/* Cleanup song data.  This can free up a fair bit of memory, so do it after
+		/* Cleanup song data. This can free up a fair bit of memory, so do it
-		 * deleting screens. */
+		 * after deleting screens. */
 		SONGMAN->Cleanup();
 	}
 
@@ -268,7 +266,7 @@ ScreenManager::~ScreenManager()
 	LUA->UnsetGlobal( "SCREENMAN" );
 }
 
-/* This is called when we start up, and when the theme changes or is reloaded. */
+// This is called when we start up, and when the theme changes or is reloaded.
 void ScreenManager::ThemeChanged()
 {
 	LOG->Trace( "ScreenManager::ThemeChanged" );
@@ -297,6 +295,9 @@ void ScreenManager::ThemeChanged()
 		g_OverlayScreens.push_back( pScreen );
 	}
 
+	// reload song manager colors (to avoid crashes) -aj
+	SONGMAN->ResetGroupColors();
+
 	// force recreate of new BGA
 	SAFE_DELETE( g_pSharedBGA );
 	g_pSharedBGA = new Actor;
@@ -331,7 +332,7 @@ bool ScreenManager::AllowOperatorMenuButton() const
 
 bool ScreenManager::IsStackedScreen( const Screen *pScreen ) const
 {
-	/* True if the screen is in the screen stack, but not the first. */
+	// True if the screen is in the screen stack, but not the first.
 	for( unsigned i = 1; i < g_ScreenStack.size(); ++i )
 		if( g_ScreenStack[i].m_pScreen == pScreen )
 			return true;
@@ -355,7 +356,7 @@ ScreenMessage ScreenManager::PopTopScreenInternal( bool bSendLoseFocus )
 
 	if( g_setPersistantScreens.find(ls.m_pScreen->GetName()) != g_setPersistantScreens.end() )
 	{
-		/* Move the screen back to the prepared list. */
+		// Move the screen back to the prepared list.
 		g_vPreparedScreens.push_back( ls );
 	}
 	else
@@ -378,9 +379,7 @@ ScreenMessage ScreenManager::PopTopScreenInternal( bool bSendLoseFocus )
 
 void ScreenManager::Update( float fDeltaTime )
 {
-	//
 	// Pop the top screen, if PopTopScreen was called.
-	//
 	if( m_PopTopScreen != SM_Invalid )
 	{
 		ScreenMessage SM = m_PopTopScreen;
@@ -393,8 +392,7 @@ void ScreenManager::Update( float fDeltaTime )
 		SendMessageToTopScreen( SM2 );
 	}
 
-	/*
+	/* Screens take some time to load.  If we don't do this, then screens
-	 * Screens take some time to load.  If we don't do this, then screens
 	 * receive an initial update that includes all of the time they spent
 	 * loading, which will chop off their tweens.  
 	 *
@@ -405,8 +403,7 @@ void ScreenManager::Update( float fDeltaTime )
 	 * If we cap that large update delta from the screen load, the update
 	 * to load the new screen will come after 4 seconds plus the load time.
 	 *
-	 * So, let's just zero the first update for every screen.
+	 * So, let's just zero the first update for every screen. */
-	 */
 	ASSERT( !g_ScreenStack.empty() || m_sDelayedScreen != "" );	// Why play the game if there is nothing showing?
 
 	Screen* pScreen = g_ScreenStack.empty() ? NULL : GetTopScreen();
@@ -423,9 +420,7 @@ void ScreenManager::Update( float fDeltaTime )
 		m_bZeroNextUpdate = false;
 	}
 
-	//
 	// Update screens.
-	//
 	{
 		for( unsigned i=0; i<g_ScreenStack.size(); i++ )
 			g_ScreenStack[i].m_pScreen->Update( fDeltaTime );
@@ -506,7 +501,7 @@ void ScreenManager::Input( const InputEventPlus &input )
 	g_ScreenStack.back().m_pScreen->Input( input );
 }
 
-/* Just create a new screen; don't do any associated cleanup. */
+// Just create a new screen; don't do any associated cleanup.
 Screen* ScreenManager::MakeNewScreen( const RString &sScreenName )
 {
 	RageTimer t;
@@ -590,15 +585,13 @@ void ScreenManager::SetNewScreen( const RString &sScreenName )
 	m_sDelayedScreen = sScreenName;
 }
 
-/* Activate the screen and/or its background, if either are loaded.  Return true if both were
+/* Activate the screen and/or its background, if either are loaded.
- * activated. */
+ * Return true if both were activated. */
 bool ScreenManager::ActivatePreparedScreenAndBackground( const RString &sScreenName )
 {
 	bool bLoadedBoth = true;
 
-	//
 	// Find the prepped screen.
-	//
 	if( GetTopScreen() == NULL || GetTopScreen()->GetName() != sScreenName )
 	{
 		LoadedScreen ls;
@@ -663,26 +656,26 @@ void ScreenManager::LoadDelayedScreen()
 	// Pop the top screen, if any.
 	ScreenMessage SM = PopTopScreenInternal();
 
-	/* If the screen is already prepared, activate it before performing any cleanup, so
+	/* If the screen is already prepared, activate it before performing any
-	 * it doesn't get deleted by cleanup. */
+	 * cleanup, so it doesn't get deleted by cleanup. */
 	bool bLoaded = ActivatePreparedScreenAndBackground( sScreenName );
 
 	vector<Actor*> apActorsToDelete;
 	if( g_setGroupedScreens.find(sScreenName) == g_setGroupedScreens.end() )
 	{
 		/* It's time to delete all old prepared screens. Depending on DelayedScreenLoad,
-		 * we can either delete the screens before or after we load the new screen.  Either
+		 * we can either delete the screens before or after we load the new screen.
-		 * way, we must remove them from the prepared list before we prepare new screens.
+		 * Either way, we must remove them from the prepared list before we prepare
-		 *
+		 * new screens.
-		 * If DelayedScreenLoad is true, delete them now; this lowers memory requirements,
+		 * If DelayedScreenLoad is true, delete them now; this lowers memory
-		 * but results in redundant loads as we unload common data. */
+		 * requirements, but results in redundant loads as we unload common data. */
 		if( g_bDelayedScreenLoad )
 			DeletePreparedScreens();
 		else
 			GrabPreparedActors( apActorsToDelete );
 	}
 
-	/* If the screen wasn't already prepared, load it. */
+	// If the screen wasn't already prepared, load it.
 	if( !bLoaded )
 	{
 		PrepareScreen( sScreenName );
@@ -738,7 +731,7 @@ void ScreenManager::PopTopScreen( ScreenMessage SM )
  * from inside a screen. */
 void ScreenManager::PopAllScreens()
 {
-	/* Make sure only the top screen receives LoseFocus. */
+	// Make sure only the top screen receives LoseFocus.
 	bool bFirst = true;
 	while( !g_ScreenStack.empty() )
 	{
@@ -867,6 +860,7 @@ public:
 	static int SystemMessage( T* p, lua_State *L )		{ p->SystemMessage( SArg(1) ); return 0; }
 	static int ScreenIsPrepped( T* p, lua_State *L )	{ lua_pushboolean( L, ScreenManagerUtil::ScreenIsPrepped( SArg(1) ) ); return 1; }
 	static int ScreenClassExists( T* p, lua_State *L )	{ lua_pushboolean( L, g_pmapRegistrees->find( SArg(1) ) != g_pmapRegistrees->end() ); return 1; }
+	//static int GetScreenStackSize( T* p, lua_State *L )	{ lua_pushnumber( L, ScreenManagerUtil::g_ScreenStack.size() ); return 1; }
 
 	LunaScreenManager()
 	{
@@ -875,6 +869,7 @@ public:
 		ADD_METHOD( SystemMessage );
 		ADD_METHOD( ScreenIsPrepped );
 		ADD_METHOD( ScreenClassExists );
+		//ADD_METHOD( GetScreenStackSize );
 	}
 };
 

src/SongManager.cpp

@@ -126,13 +126,6 @@ void SongManager::Reload( bool bAllowFastLoad, LoadingWindow *ld )
 		PREFSMAN->m_bFastLoad.Set( OldVal );
 
 	UpdatePreferredSort();
-
-	// Reload song/course group colors to prevent a crash when switching
-	// themes in-game. (apparently not, though.) -aj
-	NUM_SONG_GROUP_COLORS	.Load( "SongManager", "NumSongGroupColors" );
-	SONG_GROUP_COLOR		.Load( "SongManager", SONG_GROUP_COLOR_NAME, NUM_SONG_GROUP_COLORS );
-	NUM_COURSE_GROUP_COLORS .Load( "SongManager", "NumCourseGroupColors" );
-	COURSE_GROUP_COLOR		.Load( "SongManager", COURSE_GROUP_COLOR_NAME, NUM_COURSE_GROUP_COLORS );
 }
 
 void SongManager::InitSongsFromDisk( LoadingWindow *ld )
@@ -576,6 +569,19 @@ RageColor SongManager::GetCourseColor( const Course* pCourse ) const
 	}
 }
 
+void SongManager::ResetGroupColors()
+{
+	// Reload song/course group colors to prevent a crash when switching
+	// themes in-game. (apparently not, though.) -aj
+	SONG_GROUP_COLOR.Clear();
+	COURSE_GROUP_COLOR.Clear();
+
+	NUM_SONG_GROUP_COLORS	.Load( "SongManager", "NumSongGroupColors" );
+	SONG_GROUP_COLOR		.Load( "SongManager", SONG_GROUP_COLOR_NAME, NUM_SONG_GROUP_COLORS );
+	NUM_COURSE_GROUP_COLORS .Load( "SongManager", "NumCourseGroupColors" );
+	COURSE_GROUP_COLOR		.Load( "SongManager", COURSE_GROUP_COLOR_NAME, NUM_COURSE_GROUP_COLORS );
+}
+
 const vector<Song*> &SongManager::GetSongs( const RString &sGroupName ) const
 {
 	static const vector<Song*> vEmpty;

src/SongManager.h

@@ -75,6 +75,8 @@ public:
 	RageColor GetCourseGroupColor( const RString &sCourseGroupName ) const;
 	RageColor GetCourseColor( const Course* pCourse ) const;
 
+	void ResetGroupColors(); // sm-ssc add
+
 	static RString ShortenGroupName( RString sLongGroupName );
 
 	// Lookup