Prison Keycard System

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1

I’m making a prison escape game. I want prisoners to be able to look under tables and inside drawers to find keycards and cash

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then i want the players to be able to use keycards on certain doors, but I don’t want players to lose their keycard when using it on a door. how do I do this?

2

When the player tries to open the door, check if the amount of the keycard is >0 (using a checker), and then open the door if the check passes.

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3

Don’t forget to add a solution!