fix RandomGen off by 1. Was retruning.[0,max), not [0,max]. (Caused random courseEntries to never pick the last song in the list)

2006-03-27 21:55:34 +00:00
parent ab84dffa0f
commit 6d865d4762
2 changed files with 5 additions and 2 deletions
@@ -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;
 }


@@ -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()
 {