Bug fix. Up-Left and Up-Right no longer crash 4 panel games.

stepmania/src/Player.cpp

@@ -270,6 +270,10 @@ void Player::HandlePlayerStep( float fSongBeat, TapStep player_step, float fMaxB
 
 	// update gray arrows
 	int iColumnNum = m_Style.TapStepToColumnNumber( player_step );
+	// For single player and two player, iColumnNum will be 4/5 or 8/9/10/11 for
+	// up-left and up-right hits. Seemed this was the simplest way to ignore them in game.
+	if (iColumnNum >= m_Style.m_iNumColumns)
+		return;
 	
 	m_GrayArrows.Step( iColumnNum );
 

stepmania/src/Style.h

@@ -14,7 +14,7 @@
 #include "Steps.h"
 
 
-const int MAX_NUM_COLUMNS = 8;
+const int MAX_NUM_COLUMNS = 12;
 
 
 struct Style
@@ -26,7 +26,10 @@ struct Style
 
 	int TapStepToColumnNumber( TapStep tap_step )
 	{
-		for( int i=0; i<m_iNumColumns; i++ )
+		//for (int i=0; i<m_iNumColumns; i++)
+		for( int i=0; i<MAX_NUM_COLUMNS; i++ ) 
+		// Switched to MAX_NUM_COLUMNS so up-left and up-right don't cause ASSERT(false)
+		// Player.HandelPlayerStep will ignore up-left and up-right if it needs.
 		{
 			if( m_ColumnToTapStep[i] == tap_step )
 				return i;