private void CommunicateWithShop()
{
// first aid kit availability
refShopInfo.SetAvailability(!hasFirstAidKit, "First Aid Kit");
// roc's feather availability
if (refPlayerMovement.extraJumps >= refPlayerMovement.extraJumpsMax)
{
refShopInfo.SetAvailability(false, "Roc's Feather");
}
else
{
refShopInfo.SetAvailability(true, "Roc's Feather");
}
}