Fix: Prevent division by 0 in CGUIScrollBar::setPos

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@5209 dfc29bdd-3216-0410-991c-e03cc46cb475

changes.txt

 --------------------------
 Changes in 1.9 (not yet released)
 
+- Fix: Prevent division by 0 in CGUIScrollBar::setPos
 - Fix: Add missing serialization to CSceneNodeAnimatorCameraFPS and CSceneNodeAnimatorCameraMaya
 - Fix: File-open dialog now restores the original locale after modifying it internally
 - Fix first calculation of the camerascenenode boundingsphere.

source/Irrlicht/CGUIScrollBar.cpp

@@ -348,6 +348,8 @@ void CGUIScrollBar::setPos(s32 pos)
 {
 	Pos = core::s32_clamp ( pos, Min, Max );
 
+	if ( core::isnotzero ( range() ) )
+	{
 		if (Horizontal)
 		{
 			f32 f = (RelativeRect.getWidth() - ((f32)RelativeRect.getHeight()*3.0f)) / range();
@@ -361,7 +363,7 @@ void CGUIScrollBar::setPos(s32 pos)
 			DrawPos = (s32)( ( ( Pos - Min ) * f) + ((f32)RelativeRect.getWidth() * 0.5f));
 			DrawHeight = RelativeRect.getWidth();
 		}
-
+	}
 }