From a1ac9e23262ca717b7742022b4a4d17e0204077e Mon Sep 17 00:00:00 2001
From: Glenn Maynard <gmaynard@users.sourceforge.net>
Date: Mon, 29 Sep 2003 08:56:33 +0000
Subject: [PATCH] Add ModeChoice::IsZero.

---
 stepmania/src/ModeChoice.cpp | 14 ++++++++++++++
 stepmania/src/ModeChoice.h   |  1 +
 2 files changed, 15 insertions(+)

diff --git a/stepmania/src/ModeChoice.cpp b/stepmania/src/ModeChoice.cpp
index 0cb0258576..aea1460207 100644
--- a/stepmania/src/ModeChoice.cpp
+++ b/stepmania/src/ModeChoice.cpp
@@ -253,3 +253,17 @@ void ModeChoice::Apply( PlayerNumber pn ) const
 		PROFILEMAN->TryLoadProfile( pn );
 	}
 }
+
+bool ModeChoice::IsZero() const
+{
+	if( m_game != GAME_INVALID ||
+		m_pm != PLAY_MODE_INVALID ||
+		m_style != STYLE_INVALID ||
+		m_dc != DIFFICULTY_INVALID ||
+		m_sAnnouncer != "" ||
+		m_sModifiers != "" )
+		return false;
+
+	return true;
+}
+
diff --git a/stepmania/src/ModeChoice.h b/stepmania/src/ModeChoice.h
index 0b5d21cf5c..024582e7ef 100644
--- a/stepmania/src/ModeChoice.h
+++ b/stepmania/src/ModeChoice.h
@@ -27,6 +27,7 @@ struct ModeChoice		// used in SelectMode
 	bool DescribesCurrentMode( PlayerNumber pn ) const;
 	bool DescribesCurrentModeForAllPlayers() const;
 	bool IsPlayable( CString *why = NULL ) const;
+	bool IsZero() const;
 
 	bool		m_bInvalid;
 	int			m_iIndex;