[ScreenSelectMusic] Added NullScoreString metric.

Docs/Changelog_sm5.txt

@@ -0,0 +1,13 @@
+StepMania 5 Changelog
+________________________________________________________________________________
+The StepMania 5 Changelog covers all post-sm-ssc changes. For a list of changes
+from StepMania 4 alpha 5 to sm-ssc v1.2.5, see Changelog_sm-ssc.txt.
+________________________________________________________________________________
+
+================================================================================
+StepMania 5.0 $NEXT | 20110xyy
+--------------------------------------------------------------------------------
+
+2011/05/02
+----------
+* [ScreenSelectMusic] Added NullScoreString metric. [AJ]

Themes/_fallback/metrics.ini

@@ -1974,6 +1974,8 @@ CDTitleBackCommand=
 CDTitleOnCommand=visible,false
 CDTitleOffCommand=
 #
+NullScoreString=string.format("% 9i",0)
+#
 ScoreFrameP1X=
 ScoreFrameP1Y=
 ScoreFrameP1OnCommand=visible,false

src/ScreenSelectMusic.cpp

@@ -92,6 +92,7 @@ void ScreenSelectMusic::Init()
 	TWO_PART_CONFIRMS_ONLY.Load( m_sName, "TwoPartConfirmsOnly" );
 	TWO_PART_TIMER_SECONDS.Load( m_sName, "TwoPartTimerSeconds" );
 	WRAP_CHANGE_STEPS.Load( m_sName, "WrapChangeSteps" );
+	NULL_SCORE_STRING.Load( m_sName, "NullScoreString" );
 	// To allow changing steps with gamebuttons -DaisuMaster
 	CHANGE_STEPS_WITH_GAME_BUTTONS.Load( m_sName, "ChangeStepsWithGameButtons" );
 	CHANGE_GROUPS_WITH_GAME_BUTTONS.Load( m_sName, "ChangeGroupsWithGameButtons" );
@@ -1530,7 +1531,7 @@ void ScreenSelectMusic::AfterStepsOrTrailChange( const vector<PlayerNumber> &vpn
 		{
 			// The numbers shouldn't stay if the current selection is NULL.
 			// todo: Let themers set the text value instead of just using 0. -aj
-			m_textHighScore[pn].SetText( ssprintf("%*i", NUM_SCORE_DIGITS, 0) );
+			m_textHighScore[pn].SetText( NULL_SCORE_STRING );
 		}
 	}
 }

src/ScreenSelectMusic.h

@@ -93,6 +93,7 @@ protected:
 	ThemeMetric<bool>		WRAP_CHANGE_STEPS;
 	ThemeMetric<bool>		CHANGE_STEPS_WITH_GAME_BUTTONS;
 	ThemeMetric<bool>		CHANGE_GROUPS_WITH_GAME_BUTTONS;
+	ThemeMetric<RString>	NULL_SCORE_STRING;
 
 	bool CanChangeSong() const { return m_SelectionState == SelectionState_SelectingSong; }
 	bool CanChangeSteps() const { return TWO_PART_SELECTION ? m_SelectionState == SelectionState_SelectingSteps : m_SelectionState == SelectionState_SelectingSong; }