Changed hot value so it's a theme metric and not hardcoded

stepmania/Themes/default/metrics.ini

@@ -1925,6 +1925,7 @@ DescWidth=400
 [LifeMeterBar]
 DangerThreshold=0.2
 InitialValue=0.5
+HotValue=1.0
 MinStayAlive="TapNoteScore_W3"
 LifePercentChangeW1=0.008
 LifePercentChangeW2=0.008

stepmania/src/LifeMeterBar.cpp

@@ -22,6 +22,7 @@ LifeMeterBar::LifeMeterBar()
 {
 	DANGER_THRESHOLD.Load	("LifeMeterBar","DangerThreshold");
 	INITIAL_VALUE.Load	("LifeMeterBar","InitialValue");
+	HOT_VALUE.Load		("LifeMeterBar","HotValue");
 	MIN_STAY_ALIVE.Load	("LifeMeterBar","MinStayAlive");
 	m_fLifePercentChange.Load( "LifeMeterBar", LIFE_PERCENT_CHANGE_NAME, NUM_ScoreEvent );
 
@@ -247,7 +248,7 @@ void LifeMeterBar::AfterLifeChanged()
 
 bool LifeMeterBar::IsHot() const
 { 
-	return m_fLifePercentage >= 1; 
+	return m_fLifePercentage >= HOT_VALUE; 
 }
 
 bool LifeMeterBar::IsInDanger() const

stepmania/src/LifeMeterBar.h

@@ -36,6 +36,7 @@ public:
 private:
 	ThemeMetric<float> DANGER_THRESHOLD;
 	ThemeMetric<float> INITIAL_VALUE;
+	ThemeMetric<float> HOT_VALUE;
 	ThemeMetric<TapNoteScore>   MIN_STAY_ALIVE;
 
 	ThemeMetric1D<float> m_fLifePercentChange;