fix "PaneDisplay shows bogus values for edits"

stepmania/src/PaneDisplay.cpp

@@ -142,20 +142,23 @@ void PaneDisplay::Update( float fDeltaTime )
 
 void PaneDisplay::SetContent( PaneContents c )
 {
-	m_textContents[c].SetText( "" );
-
-	if( (g_Contents[c].req&NEED_NOTES) && !GAMESTATE->m_pCurSteps[m_PlayerNumber] )
-		return;
-	if( (g_Contents[c].req&NEED_COURSE) && !GAMESTATE->m_pCurTrail[m_PlayerNumber] )
-		return;
-	if( (g_Contents[c].req&NEED_PROFILE) && !PROFILEMAN->IsUsingProfile( m_PlayerNumber ) )
-		return;
+	CString str = "?";	// fill this in
+	float val = 0;	// fill this in
 
 	const Song *pSong = GAMESTATE->m_pCurSong;
 	const Steps *pSteps = GAMESTATE->m_pCurSteps[m_PlayerNumber];
 	const Course *pCourse = GAMESTATE->m_pCurCourse;
 	const Trail *pTrail = GAMESTATE->m_pCurTrail[m_PlayerNumber];
+	const Profile *pProfile = PROFILEMAN->GetProfile( m_PlayerNumber );
 
+	if( (g_Contents[c].req&NEED_NOTES) && !pSteps )
+		goto done;
+	if( (g_Contents[c].req&NEED_COURSE) && !pTrail )
+		goto done;
+	if( (g_Contents[c].req&NEED_PROFILE) && !pProfile )
+		goto done;
+
+	{
 		RadarValues rv;
 
 		if( g_Contents[c].req&NEED_NOTES )
@@ -163,8 +166,6 @@ void PaneDisplay::SetContent( PaneContents c )
 		else if( g_Contents[c].req&NEED_COURSE )
 			rv = pTrail->GetRadarValues();
 
-	float val = 0;
-	CString str;
 		switch( c )
 		{
 		case COURSE_NUM_STEPS:
@@ -242,6 +243,9 @@ void PaneDisplay::SetContent( PaneContents c )
 			break;
 		};
 
+		if( val == RADAR_VAL_UNKNOWN )
+			goto done;
+
 		/* Scale, round, clamp, etc. for floats: */
 		switch( c )
 		{
@@ -292,13 +296,14 @@ void PaneDisplay::SetContent( PaneContents c )
 		case COURSE_PROFILE_RANK:
 			str = ssprintf( "%.0f", val );
 		}
+	}
 
-	int p;
 
+done:
 	m_textContents[c].SetText( str );
 
 	const int num = NUM_ITEM_COLORS( g_Contents[c].name );
-	for( p = 0; p < num; ++p )
+	for( int p = 0; p < num; ++p )
 	{
 		const CString metric = ITEM_COLOR(g_Contents[c].name, p);
 		CStringArray spec;

stepmania/src/RadarValues.cpp

@@ -12,7 +12,8 @@ RadarValues::RadarValues()
 
 void RadarValues::Init()
 {
-	ZERO( *this );
+	FOREACH_RadarCategory( rc )
+		m_fValues[rc] = RADAR_VAL_UNKNOWN;
 }
 
 XNode* RadarValues::CreateNode() const

stepmania/src/RadarValues.h

@@ -6,6 +6,8 @@
 
 #include "GameConstantsAndTypes.h"
 
+#define RADAR_VAL_UNKNOWN -1
+
 struct XNode;
 
 struct RadarValues