Live or Die

You got the boost that you needed and ran towards it and stabbed it in the head,your body was waek and couldnt take another risk.So you decided to rest a little more before you moved to another place to set ground.1 hour past and you had the energy to move again and got suplies to survive.You got a book bage and food and some cloths.In the distance you can see a building and thought you could stand ground there for sometime.You got the building and went inside all of the sudden theres the creature agian tryig to break the glass door what do you do?-