Added some metrics to unlock screen (animations for unlock icons, mainly, as well as "seconds to display")

Fixed bug with roulette seeds (selecting a song that does not exist in unlock database caused a crash upon selecting a song)

stepmania/src/ScreenUnlock.cpp

@@ -5,7 +5,7 @@
  Desc: See header.
 
  Copyright (c) 2003 by the person(s) listed below.  All rights reserved.
-	curewater
+	Andrew Wong
 -----------------------------------------------------------------------------
 */
 
@@ -29,6 +29,9 @@ ScreenUnlock::ScreenUnlock() : ScreenAttract("ScreenUnlock")
 	CString sSP = ssprintf( "%d", (int)GAMESTATE->m_pUnlockingSys->SongPointsUntilNextUnlock() );
 
 	CString PointDisplay = THEME->GetMetric("ScreenUnlock", "TypeOfPointsToDisplay");
+	
+	CString IconCommand = 
+		THEME->GetMetric("ScreenUnlock", "UnlockIconCommand");
 
 	for(int i=1; i <= THEME->GetMetricI("ScreenUnlock", "NumUnlocks"); i++)
 	{
@@ -42,6 +45,8 @@ ScreenUnlock::ScreenUnlock() : ScreenAttract("ScreenUnlock")
 		if( pSong == NULL )
 			continue;
 
+		Unlocks[i].Command(IconCommand);
+
 		const bool SongIsLocked = GAMESTATE->m_pUnlockingSys->SongIsLocked( pSong );
 		if ( !SongIsLocked )
 			this->AddChild(&Unlocks[i]);
@@ -65,4 +70,10 @@ ScreenUnlock::ScreenUnlock() : ScreenAttract("ScreenUnlock")
 	PointsUntilNextUnlock.SetZoom( THEME->GetMetricF("ScreenUnlock","PointsZoom") );
 	SET_XY( PointsUntilNextUnlock );
 	this->AddChild( &PointsUntilNextUnlock );
+
+	this->ClearMessageQueue( SM_BeginFadingOut );	// ignore ScreenAttract's SecsToShow
+
+	this->PostScreenMessage( SM_BeginFadingOut, 
+		THEME->GetMetricI("ScreenUnlock", "TimeToDisplay") );
+
 }

stepmania/src/ScreenUnlock.h

@@ -6,7 +6,7 @@
 
  Copyright (c) 2001-2002 by the person(s) listed below.  All rights reserved.
 	Chris Danford
-	curewater
+	Andrew Wong
 -----------------------------------------------------------------------------
 */
 #include "ScreenAttract.h"

stepmania/src/UnlockSystem.cpp

@@ -6,7 +6,7 @@
 
  Copyright (c) 2001-2003 by the person(s) listed below.  All rights reserved.
 	Kevin Slaughter
-	curewater
+	Andrew Wong
 -----------------------------------------------------------------------------
 */
 
@@ -31,9 +31,11 @@ UnlockSystem::UnlockSystem()
 bool UnlockSystem::RouletteUnlock( const Song *song )
 {
 	SongEntry *p = FindSong( song );
+	if (!p) return false;                       // does not exist
 	if (p->m_iRouletteSeed == 0) return false;  // already unlocked
 
 	PREFSMAN->m_RouletteSeeds[p->m_iRouletteSeed] = '1';
+	PREFSMAN->SaveGamePrefsToDisk();
 	return true;
 }
 

stepmania/src/UnlockSystem.h

@@ -10,7 +10,7 @@
 
  Copyright (c) 2001-2003 by the person(s) listed below.  All rights reserved.
 	Kevin Slaughter
-	curewater
+	Andrew Wong
 -----------------------------------------------------------------------------
 */
 enum UnlockTypes { UNLOCK_AP, UNLOCK_DP, UNLOCK_SP,