UE4 Blueprint / Farm systems

Farm systems Haw is work. Character-user finds the same food in the map if the user picks up food then in inventory create seeds for this food. If a character has seeds for food than possible to create vegetable items. User possible create vegetables only in a specific location. Location for the farm is: greenhouse If vegetables growing than must this parameter. Growing time Water - items must have to water  .if don't have water then stop growing. O2 - items need ozone if don't have then stop growing. If giving finished Then if click E create items on the inventory Items like potatoes, tomatoes. User possibly eats this. If eat hungry and thirsty up. Items database is create and working systems Systems survivor is working.