From 984dc752b22185351f1a5ce2e83f04f52119c506 Mon Sep 17 00:00:00 2001
From: Glenn Maynard <gmaynard@users.sourceforge.net>
Date: Thu, 22 Jan 2004 03:26:59 +0000
Subject: [PATCH] add song-based branching

---
 stepmania/src/ScreenBranch.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/stepmania/src/ScreenBranch.cpp b/stepmania/src/ScreenBranch.cpp
index a07de86fb9..77b61a9ee0 100644
--- a/stepmania/src/ScreenBranch.cpp
+++ b/stepmania/src/ScreenBranch.cpp
@@ -19,6 +19,7 @@
 #include "Grade.h"
 #include "GameState.h"
 #include "StageStats.h"
+#include "SongManager.h"
 
 #define CHOICES						THEME->GetMetric (m_sName,"Choices")
 #define CONDITION(choice)			THEME->GetMetric (m_sName,"Condition"+choice)
@@ -34,6 +35,16 @@ bool EvaluateCondition( CString sCondition )
 	CStringArray as;
 	split( sCondition, ",", as, false );
 
+	if( as.size()==3 && as[0].CompareNoCase("song")==0 )
+	{
+		const CString &sOp = as[1];
+		const CString &path = as[2];
+
+		const Song *s = SONGMAN->FindSong( path );
+		if( sOp == "=" )
+			return s == GAMESTATE->m_pCurSong;
+	}
+
 	if( as.size()==3 && as[0].CompareNoCase("topgrade")==0 )
 	{
 		Grade top_grade = GRADE_FAILED;