From 6d865d476289640dbeacc8551d3e66bd7686bb8a Mon Sep 17 00:00:00 2001
From: Chris Danford <chrisdanford@users.sourceforge.net>
Date: Mon, 27 Mar 2006 21:55:34 +0000
Subject: [PATCH] fix RandomGen off by 1. Was retruning.[0,max), not [0,max]. 
 (Caused random courseEntries to never pick the last song in the list)

---
 stepmania/src/RageUtil.cpp | 5 ++++-
 stepmania/src/RageUtil.h   | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/stepmania/src/RageUtil.cpp b/stepmania/src/RageUtil.cpp
index 9db4118640..ea16a8bcb4 100644
--- a/stepmania/src/RageUtil.cpp
+++ b/stepmania/src/RageUtil.cpp
@@ -48,7 +48,10 @@ RandomGen::RandomGen( unsigned long seed_ )
 
 int RandomGen::operator() ( int maximum )
 {
-	return int(RandomFloat( seed ) * maximum);
+	float f = RandomFloat(seed) * (maximum+1);
+	int ans = int(f);
+	CLAMP( ans, 0, maximum );
+	return ans;
 }
 
 
diff --git a/stepmania/src/RageUtil.h b/stepmania/src/RageUtil.h
index e9eb22a512..1da17f4837 100644
--- a/stepmania/src/RageUtil.h
+++ b/stepmania/src/RageUtil.h
@@ -160,7 +160,7 @@ inline uint16_t Swap16LE( uint16_t n ) { return Swap16( n ); }
 
 extern int randseed;
 
-float RandomFloat( int &seed );
+float RandomFloat( int &seed );	// between 0.0f and 1.0f
 
 inline float RandomFloat()
 {