- since we already got lots of CVAR descriptions from the menu's content, let's use that as CVAR description if none is explicitly provided.

This also necessitated localization support for CVAR descriptions because menu content is multi-language.

src/menu/optionmenu.cpp

@@ -34,6 +34,7 @@
 
 #include "v_video.h"
 #include "menu/menu.h"
+#include "vm.h"
 
 
 //=============================================================================
@@ -52,3 +53,16 @@ DMenuItemBase *DOptionMenuDescriptor::GetItem(FName name)
 	return NULL;
 }
 
+void SetCVarDescription(FBaseCVar* cvar, const FString* label)
+{
+	cvar->AddDescription(*label);
+}
+
+DEFINE_ACTION_FUNCTION_NATIVE(_OptionMenuItemOption, SetCVarDescription, SetCVarDescription)
+{
+	PARAM_PROLOGUE;
+	PARAM_POINTER(cv, FBaseCVar);
+	PARAM_STRING(label);
+	SetCVarDescription(cv, &label);
+	return 0;
+}