private static bool Prefix(uGUI_BuilderMenu __instance)
{
__instance.iconGrid.Clear();
__instance.items.Clear();
List <TechType> techTypesForGroup = __instance.GetTechTypesForGroup(__instance.selected);
int num = 0;
for (int i = 0; i < techTypesForGroup.Count; i++)
{
TechType techType = techTypesForGroup[i];
if (!Core.RecipeBlacklist.Contains(techType.AsString()))
{
TechUnlockState techUnlockState = KnownTech.GetTechUnlockState(techType);
if (techUnlockState == TechUnlockState.Available || techUnlockState == TechUnlockState.Locked)
{
string stringForInt = IntStringCache.GetStringForInt(num);
__instance.items.Add(stringForInt, techType);
__instance.iconGrid.AddItem(stringForInt, SpriteManager.Get(techType), SpriteManager.GetBackground(techType), techUnlockState == TechUnlockState.Locked, num);
__instance.iconGrid.RegisterNotificationTarget(stringForInt, NotificationManager.Group.Builder, techType.EncodeKey());
num++;
}
}
}
return(false);
}