Add game and round seeds, meant for use with RandomGen.

stepmania/src/GameState.cpp

@@ -77,6 +77,9 @@ void GameState::Reset()
 	m_bAllow2ndExtraStage = true;
 	m_bDifficultCourses = false;
 
+	m_iGameSeed = rand();
+	m_iRoundSeed = rand();
+
 	m_pCurSong = NULL;
 	for( p=0; p<NUM_PLAYERS; p++ )
 		m_pCurNotes[p] = NULL;

stepmania/src/GameState.h

@@ -53,6 +53,10 @@ public:
 	PlayerNumber	m_MasterPlayerNumber;	// used in Styles where one player controls both sides
 	bool			m_bIsOnSystemMenu; // system screens will not be effected by the operator key -- Miryokuteki
 	bool			m_bDifficultCourses; //used in nonstop
+
+	/* This is set to a random number per-game/round; it can be used for a random seed. */
+	int				m_iGameSeed, m_iRoundSeed;
+
 	int				GetNumSidesJoined()
 	{ 
 		int iNumSidesJoined = 0;

stepmania/src/ScreenEvaluation.cpp

@@ -949,6 +949,7 @@ void ScreenEvaluation::MenuStart( PlayerNumber pn )
 	for( int p=0; p<NUM_PLAYERS; p++ )
 		m_Grades[p].SettleImmediately();
 
+	GAMESTATE->m_iRoundSeed = rand();
 
 	if( PREFSMAN->m_bEventMode )
 	{