Added Ez2dancer's BLINK mode alongside hidden,stealth e.t.c.

stepmania/src/ArrowEffects.cpp

@@ -99,6 +99,11 @@ float ArrowGetYPos( const PlayerOptions& po, float fYOffset )
 float ArrowGetAlpha( const PlayerOptions& po, float fYPos )
 {
 	float fAlpha;
+	static	float blinktimer=0;
+	if (blinktimer == 0)
+		blinktimer = TIMER->GetTimeSinceStart();
+	
+	static int blinkstate=2;
 	switch( po.m_AppearanceType )
 	{ 
 	case PlayerOptions::APPEARANCE_VISIBLE:
@@ -112,6 +117,42 @@ float ArrowGetAlpha( const PlayerOptions& po, float fYPos )
 		break;
 	case PlayerOptions::APPEARANCE_STEALTH:
 		fAlpha = 0;
+		break;
+	case PlayerOptions::APPEARANCE_BLINK: // this is an Ez2dancer Appearance Mode
+		if (TIMER->GetTimeSinceStart() > blinktimer + 0.20f)
+		{
+			blinktimer = TIMER->GetTimeSinceStart();
+			if (blinkstate == 1)
+			{
+				blinkstate = 2;
+			}
+			else if (blinkstate == 0)
+			{
+				blinkstate = 3;
+			}
+			else if (blinkstate == 2)
+			{
+				blinkstate = 0;
+			}
+			else
+			{
+				blinkstate = 1;
+			}
+		}
+
+		if (blinkstate == 1)
+		{
+			fAlpha = 1;			
+		}
+		else if (blinkstate == 0)
+		{				
+			fAlpha = 0;
+		}
+		else
+		{
+			fAlpha = ((fYPos-200)/200) + (((SCREEN_HEIGHT-fYPos)-260)/200);	
+		}
+
 		break;
 	default:
 		ASSERT( false );

stepmania/src/PlayerOptions.cpp

@@ -36,6 +36,7 @@ CString PlayerOptions::GetString()
 	case APPEARANCE_HIDDEN:		sReturn += "Hidden, ";	break;
 	case APPEARANCE_SUDDEN:		sReturn += "Sudden, ";	break;
 	case APPEARANCE_STEALTH:	sReturn += "Stealth, ";	break;
+	case APPEARANCE_BLINK:	sReturn += "Blink, ";	break;
 	default:	ASSERT(0);	// invalid EFFECT
 	}
 	switch( m_TurnType )

stepmania/src/PlayerOptions.h

@@ -15,7 +15,7 @@ struct PlayerOptions
 	float m_fArrowScrollSpeed;
 	enum EffectType	{ EFFECT_NONE=0, EFFECT_BOOST, EFFECT_WAVE, EFFECT_DRUNK, EFFECT_DIZZY, EFFECT_SPACE, EFFECT_MINI };
 	EffectType m_EffectType;
-	enum AppearanceType	{ APPEARANCE_VISIBLE=0, APPEARANCE_HIDDEN, APPEARANCE_SUDDEN, APPEARANCE_STEALTH };
+	enum AppearanceType	{ APPEARANCE_VISIBLE=0, APPEARANCE_HIDDEN, APPEARANCE_SUDDEN, APPEARANCE_STEALTH, APPEARANCE_BLINK };
 	AppearanceType m_AppearanceType;
 	enum TurnType { TURN_NONE=0, TURN_MIRROR, TURN_LEFT, TURN_RIGHT, TURN_SHUFFLE };
 	TurnType m_TurnType;

stepmania/src/ScreenPlayerOptions.cpp

@@ -40,7 +40,7 @@ enum {
 OptionLineData g_PlayerOptionsLines[NUM_PLAYER_OPTIONS_LINES] = {
 	{ "Speed",	8, {"x0.5","x0.75","x1","x1.5","x2","x3","x5","x8"} },	
 	{ "Effect", 7, {"OFF","BOOST","WAVE", "DRUNK", "DIZZY","SPACE","MINI"} },	
-	{ "Appear", 4, {"VISIBLE","HIDDEN","SUDDEN","STEALTH"} },	
+	{ "Appear", 5, {"VISIBLE","HIDDEN","SUDDEN","STEALTH", "BLINK"} },	
 	{ "Turn",	5, {"OFF","MIRROR","LEFT","RIGHT","SHUFFLE"} },	
 	{ "Little", 2, {"OFF","ON"} },	
 	{ "Scroll", 2, {"STANDARD","REVERSE"} },