fix SaveSync prompt. Make it a Screen again so that it can be used in branching and doesn't need to be integrated into an already-complicated ScreenGameplay.

stepmania/src/ScreenEdit.cpp

@@ -1974,7 +1974,7 @@ void ScreenEdit::TransitionEditState( EditState em )
 
 	case STATE_PLAYING:
 		if( GAMESTATE->IsSyncDataChanged() )
-			ScreenSaveSync::SaveSync();
+			ScreenSaveSync::PromptSaveSync();
 		break;
 
 	case STATE_RECORDING:

stepmania/src/ScreenPrompt.cpp

@@ -26,7 +26,7 @@ namespace
 	void *g_pCallbackData;
 };
 
-void ScreenPrompt::Prompt( ScreenMessage smSendOnPop, const CString &sText, PromptType type, PromptAnswer defaultAnswer, void(*OnYes)(void*), void(*OnNo)(void*), void* pCallbackData )
+void ScreenPrompt::SetPromptSettings( const CString &sText, PromptType type, PromptAnswer defaultAnswer, void(*OnYes)(void*), void(*OnNo)(void*), void* pCallbackData )
 {
 	g_sText = sText;
 	g_PromptType = type;
@@ -34,11 +34,17 @@ void ScreenPrompt::Prompt( ScreenMessage smSendOnPop, const CString &sText, Prom
 	g_pOnYes = OnYes;
 	g_pOnNo = OnNo;
 	g_pCallbackData = pCallbackData;
+}
 
+void ScreenPrompt::Prompt( ScreenMessage smSendOnPop, const CString &sText, PromptType type, PromptAnswer defaultAnswer, void(*OnYes)(void*), void(*OnNo)(void*), void* pCallbackData )
+{
+	SetPromptSettings( sText, type, defaultAnswer, OnYes, OnNo, pCallbackData );
+	
 	SCREENMAN->AddNewScreenToTop( "ScreenPrompt", smSendOnPop );
 }
 
 
+
 REGISTER_SCREEN_CLASS( ScreenPrompt );
 ScreenPrompt::ScreenPrompt( const CString &sScreenName ):
 	ScreenWithMenuElements( sScreenName )

stepmania/src/ScreenPrompt.h

@@ -25,6 +25,7 @@ enum PromptAnswer
 class ScreenPrompt : public ScreenWithMenuElements
 {
 public:
+	static void SetPromptSettings( const CString &sText, PromptType type = PROMPT_OK, PromptAnswer defaultAnswer = ANSWER_NO, void(*OnYes)(void*) = NULL, void(*OnNo)(void*) = NULL, void* pCallbackData = NULL );
 	static void Prompt( ScreenMessage smSendOnPop, const CString &sText, PromptType type = PROMPT_OK, PromptAnswer defaultAnswer = ANSWER_NO, void(*OnYes)(void*) = NULL, void(*OnNo)(void*) = NULL, void* pCallbackData = NULL );
 
 	ScreenPrompt( const CString &sScreenName );

stepmania/src/ScreenSaveSync.cpp

@@ -91,7 +91,7 @@ static CString GetPromptText()
 	}
 
 	s +="\n\n"
-		"Would you like to save these changes to the song file?\n"
+		"Would you like to save these changes?\n"
 		"Choosing NO will discard your changes.";
 
 	return s;
@@ -107,7 +107,19 @@ static void RevertSyncChanges( void* pThrowAway )
 	GAMESTATE->RevertSyncChanges();
 }
 
-void ScreenSaveSync::SaveSync()
+REGISTER_SCREEN_CLASS( ScreenSaveSync );
+ScreenSaveSync::ScreenSaveSync( CString sClassName ) : ScreenPrompt( sClassName )
+{
+	ScreenPrompt::SetPromptSettings(
+		GetPromptText(), 
+		PROMPT_YES_NO, 
+		ANSWER_YES, 
+		SaveSyncChanges, 
+		RevertSyncChanges, 
+		NULL );
+}
+
+void ScreenSaveSync::PromptSaveSync()
 {
 	ScreenPrompt::Prompt(
 		SM_None,

stepmania/src/ScreenSaveSync.h

@@ -3,10 +3,14 @@
 #ifndef ScreenSaveSync_H
 #define ScreenSaveSync_H
 
-class ScreenSaveSync
+#include "ScreenPrompt.h"
+
+class ScreenSaveSync : public ScreenPrompt
 {
 public:
-	static void SaveSync();
+	ScreenSaveSync( CString sName );
+
+	static void PromptSaveSync();
 };