add IsAnExtraStageAndSelectionLocked. add metircs MinDifficultyForExtra, LockExtraStageSelection

stepmania/Themes/default/metrics.ini

@@ -4125,6 +4125,8 @@ GradeTierForExtra2="Grade_Tier03"
 AllowLateJoin=false
 ProfileRecordFeats=true
 CategoryRecordFeats=true
+MinDifficultyForExtra="Difficulty_Hard"
+LockExtraStageSelection=true
 
 [ScreenMiniMenuContext]
 Fallback="ScreenMiniMenu"

stepmania/src/BPMDisplay.cpp

@@ -142,7 +142,7 @@ void BPMDisplay::SetBPMRange( const DisplayBpms &bpms )
 		m_fPercentInState = 1;
 	}
 
-	if( GAMESTATE->IsAnExtraStage() )
+	if( GAMESTATE->IsAnExtraStageAndSelectionLocked() )
 		RunCommands( SET_EXTRA_COMMAND );
 	else if( !AllIdentical )
 		RunCommands( SET_CHANGING_COMMAND );
@@ -233,7 +233,7 @@ void BPMDisplay::SetFromGameState()
 {
 	if( GAMESTATE->m_pCurSong.Get() )
 	{
-		if( GAMESTATE->IsAnExtraStage() )
+		if( GAMESTATE->IsAnExtraStageAndSelectionLocked() )
 			CycleRandomly();				
 		else
 			SetBpmFromSong( GAMESTATE->m_pCurSong );

stepmania/src/GameState.cpp

@@ -96,6 +96,7 @@ Song* GameState::GetDefaultSong() const
 	return sid.ToSong();
 }
 
+static const ThemeMetric<Difficulty> MIN_DIFFICULTY_FOR_EXTRA	("GameState","MinDifficultyForExtra");
 static const ThemeMetric<Grade> GRADE_TIER_FOR_EXTRA_1	("GameState","GradeTierForExtra1");
 static const ThemeMetric<bool> ALLOW_EXTRA_2		("GameState","AllowExtra2");
 static const ThemeMetric<Grade> GRADE_TIER_FOR_EXTRA_2	("GameState","GradeTierForExtra2");
@@ -949,6 +950,12 @@ bool GameState::IsAnExtraStage() const
 	return !IsEventMode() && !IsCourseMode() && m_iAwardedExtraStages[m_MasterPlayerNumber] > 0;
 }
 
+static ThemeMetric<bool> LOCK_EXTRA_STAGE_SELECTION("GameState","LockExtraStageSelection");
+bool GameState::IsAnExtraStageAndSelectionLocked() const
+{
+	return IsAnExtraStage() && LOCK_EXTRA_STAGE_SELECTION;
+}
+
 bool GameState::IsExtraStage() const
 {
 	if( m_MasterPlayerNumber == PlayerNumber_Invalid )
@@ -1223,9 +1230,17 @@ bool GameState::HasEarnedExtraStageInternal() const
 	
 	FOREACH_EnabledPlayer( pn )
 	{
-		if( m_pCurSteps[pn]->GetDifficulty() != Difficulty_Hard && 
-		    m_pCurSteps[pn]->GetDifficulty() != Difficulty_Challenge )
+		Difficulty dc = m_pCurSteps[pn]->GetDifficulty();
+		switch( dc )
+		{
+		case Difficulty_Edit:
 			continue; /* not hard enough! */
+			break;
+		default:
+			if( dc < MIN_DIFFICULTY_FOR_EXTRA )
+				continue; /* not hard enough! */
+			break;
+		}
 
 		if( IsExtraStage() )
 		{

stepmania/src/GameState.h

@@ -145,6 +145,7 @@ public:
 	int		GetSmallestNumStagesLeftForAnyHumanPlayer() const;
 	bool		IsFinalStageForAnyHumanPlayer() const;
 	bool		IsAnExtraStage() const;
+	bool		IsAnExtraStageAndSelectionLocked() const;
 	bool		IsExtraStage() const;
 	bool		IsExtraStage2() const;
 	Stage		GetCurrentStage() const;

stepmania/src/MusicWheel.cpp

@@ -128,7 +128,7 @@ void MusicWheel::BeginScreen()
 
 	WheelBase::BeginScreen();
 
-	if( GAMESTATE->IsAnExtraStage() )
+	if( GAMESTATE->IsAnExtraStageAndSelectionLocked() )
 	{
 		m_WheelState = STATE_LOCKED;
 		SCREENMAN->PlayStartSound();
@@ -566,7 +566,7 @@ void MusicWheel::BuildWheelItemDatas( vector<MusicWheelItemData *> &arrayWheelIt
 					arrayWheelItemDatas.push_back( new MusicWheelItemData(TYPE_PORTAL, NULL, "", NULL, RageColor(1,0,0,1), 0) );
 			}
 
-			if( GAMESTATE->IsAnExtraStage() )
+			if( GAMESTATE->IsAnExtraStageAndSelectionLocked() )
 			{
 				Song* pSong;
 				Steps* pSteps;

stepmania/src/ScreenSelectMusic.cpp

@@ -530,14 +530,14 @@ void ScreenSelectMusic::Input( const InputEventPlus &input )
 	{
 		if( input.MenuI == m_GameButtonPreviousSong )
 		{
-			if( GAMESTATE->IsAnExtraStage() )
+			if( GAMESTATE->IsAnExtraStageAndSelectionLocked() )
 				m_soundLocked.Play();
 			else
 				ChangeDifficulty( input.pn, -1 );
 		}
 		else if( input.MenuI == m_GameButtonNextSong )
 		{
-			if( GAMESTATE->IsAnExtraStage() )
+			if( GAMESTATE->IsAnExtraStageAndSelectionLocked() )
 				m_soundLocked.Play();
 			else
 				ChangeDifficulty( input.pn, +1 );
@@ -554,14 +554,14 @@ bool ScreenSelectMusic::DetectCodes( const InputEventPlus &input )
 {
 	if( CodeDetector::EnteredEasierDifficulty(input.GameI.controller) )
 	{
-		if( GAMESTATE->IsAnExtraStage() )
+		if( GAMESTATE->IsAnExtraStageAndSelectionLocked() )
 			m_soundLocked.Play();
 		else
 			ChangeDifficulty( input.pn, -1 );
 	}
 	else if( CodeDetector::EnteredHarderDifficulty(input.GameI.controller) )
 	{
-		if( GAMESTATE->IsAnExtraStage() )
+		if( GAMESTATE->IsAnExtraStageAndSelectionLocked() )
 			m_soundLocked.Play();
 		else
 			ChangeDifficulty( input.pn, +1 );
@@ -575,12 +575,12 @@ bool ScreenSelectMusic::DetectCodes( const InputEventPlus &input )
 	}
 	else if( CodeDetector::EnteredNextSort(input.GameI.controller) )
 	{
-		if( GAMESTATE->IsAnExtraStage() )
+		if( GAMESTATE->IsAnExtraStageAndSelectionLocked() )
 			m_soundLocked.Play();
 		else
 			m_MusicWheel.NextSort();
 	}
-	else if( !GAMESTATE->IsAnExtraStage() && CodeDetector::DetectAndAdjustMusicOptions(input.GameI.controller) )
+	else if( !GAMESTATE->IsAnExtraStageAndSelectionLocked() && CodeDetector::DetectAndAdjustMusicOptions(input.GameI.controller) )
 	{
 		m_soundOptionsChange.Play();
 
@@ -830,7 +830,7 @@ void ScreenSelectMusic::MenuStart( const InputEventPlus &input )
 					bIsRepeat = true;
 
 			/* Don't complain about repeats if the user didn't get to pick. */
-			if( GAMESTATE->IsAnExtraStage() )
+			if( GAMESTATE->IsAnExtraStageAndSelectionLocked() )
 				bIsRepeat = false;
 
 			if( bIsRepeat )