Smooth scroll: averaging_time cvar `menu_scroll_averaging_time`

diff --git a/qcsrc/menu/item/listbox.qc b/qcsrc/menu/item/listbox.qc
index 9cd76fe9832d01bf14a565e374b9b9c69566e82e..87f1719b4e14779f5abe809d1c39d8a9b1b52bd5 100644 (file)
--- a/qcsrc/menu/item/listbox.qc
+++ b/qcsrc/menu/item/listbox.qc
@@ -397,6 +397,9 @@ void ListBox_updateControlTopBottom(entity me)
                }
        }
 }
+AUTOCVAR(menu_scroll_averaging_time, float, 0.16, "smooth scroll averaging time");
+// scroll faster while dragging the scrollbar
+AUTOCVAR(menu_scroll_averaging_time_pressed, float, 0.06, "smooth scroll averaging time when dragging the scrollbar");
 void ListBox_draw(entity me)
 {
        float i;
@@ -418,11 +421,11 @@ void ListBox_draw(entity me)
        }
        if(me.scrollPos != me.scrollPosTarget)
        {
-               float averaging_time = 0.16;
-               if(me.pressed == 1)
-                       averaging_time = 0.06; // scroll faster while dragging the scrollbar
+               float averaging_time = (me.pressed == 1)
+                       ? autocvar_menu_scroll_averaging_time_pressed
+                       : autocvar_menu_scroll_averaging_time;
                // this formula works with whatever framerate
-               float f = exp(-frametime / averaging_time);
+               float f = averaging_time ? exp(-frametime / averaging_time) : 0;
                me.scrollPos = me.scrollPos * f + me.scrollPosTarget * (1 - f);
                if(fabs(me.scrollPos - me.scrollPosTarget) < 0.001)
                        me.scrollPos = me.scrollPosTarget;