Merge pull request #729 from ZenithMDC/mousewheel-scrollable-menus

Add mousewheel scrolling to scrollable menus

src/game/menu.c

@@ -4614,6 +4614,9 @@ void dialogTick(struct menudialog *dialog, struct menuinputs *inputs, u32 tickfl
 		s32 adjustment = (s32)(inputs->yaxis * g_Vars.diffframe60freal / 20) - (s32)(inputs->updownheld * g_Vars.diffframe60freal);
 #else
 		s32 adjustment = inputs->yaxis * g_Vars.diffframe60 / 20 - inputs->updownheld * g_Vars.diffframe60;
+#endif
+#ifndef PLATFORM_N64
+		adjustment -= inputs->mousescroll * (LINEHEIGHT + 1);
 #endif
 		dialog->dstscroll += adjustment;
 

src/game/menuitem.c

@@ -3228,6 +3228,9 @@ bool menuitemScrollableTick(struct menuitem *item, struct menudialog *dialog, st
 		intval = intval + (s32)(((f32)inputs->updownheld + (f32)inputs->updownheld) * g_Vars.diffframe60freal);
 #else
 		intval += inputs->updownheld * 2 * g_Vars.diffframe60;
+#endif
+#ifndef PLATFORM_N64
+		intval += inputs->mousescroll * (LINEHEIGHT - 2) * 3;
 #endif
 		data->scrollable.scrolloffset += intval;
 
@@ -3751,6 +3754,9 @@ bool menuitemRankingTick(struct menuinputs *inputs, u32 tickflags, union menuite
 		intval = intval + (s32)(((f32)inputs->updownheld + (f32)inputs->updownheld) * g_Vars.diffframe60freal);
 #else
 		intval += inputs->updownheld * 2 * g_Vars.diffframe60;
+#endif
+#ifndef PLATFORM_N64
+		intval += inputs->mousescroll * (LINEHEIGHT - 1);
 #endif
 		data->ranking.scrolloffset += intval;
 
@@ -4046,6 +4052,9 @@ bool menuitemPlayerStatsTick(struct menuitem *item, struct menudialog *dialog, s
 		intval = intval + (s32)(((f32)inputs->updownheld + (f32)inputs->updownheld) * g_Vars.diffframe60freal);
 #else
 		intval += inputs->updownheld * 2 * g_Vars.diffframe60;
+#endif
+#ifndef PLATFORM_N64
+		intval += inputs->mousescroll * (LINEHEIGHT - 1);
 #endif
 		data->dropdown.scrolloffset += intval;