From 83bb5286681c16a476ce428f8a6b3348e7070b8a Mon Sep 17 00:00:00 2001
From: Glenn Maynard <gmaynard@users.sourceforge.net>
Date: Wed, 30 Jul 2003 20:34:16 +0000
Subject: [PATCH] Add game and round seeds, meant for use with RandomGen.

---
 stepmania/src/GameState.cpp        | 3 +++
 stepmania/src/GameState.h          | 4 ++++
 stepmania/src/ScreenEvaluation.cpp | 1 +
 3 files changed, 8 insertions(+)

diff --git a/stepmania/src/GameState.cpp b/stepmania/src/GameState.cpp
index 61f39f5faa..e081218a0d 100644
--- a/stepmania/src/GameState.cpp
+++ b/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;
diff --git a/stepmania/src/GameState.h b/stepmania/src/GameState.h
index fd219d965e..b531ab203c 100644
--- a/stepmania/src/GameState.h
+++ b/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;
diff --git a/stepmania/src/ScreenEvaluation.cpp b/stepmania/src/ScreenEvaluation.cpp
index 7a8e17ca9e..86f39f7fdb 100644
--- a/stepmania/src/ScreenEvaluation.cpp
+++ b/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 )
 	{