[Rufio]

Use this to detect keys;
https://sampwiki.blast.hk/wiki/OnPlayerKeyStateChange

Use this to find out what the key for 'F' is;
https://sampwiki.blast.hk/wiki/Keys

Use this to find out a player's animation index;
https://sampwiki.blast.hk/wiki/GetPlayerAnimationIndex

Use this to find out if the player is in range of a point;
https://sampwiki.blast.hk/wiki/IsPlayerInRangeOfPoint

Use an enum that holds info of all the vending machines;
https://sampforum.blast.hk/showthread.php?tid=318307 This is a good tutorial about enums.

Use this to get the player's money;
https://sampwiki.blast.hk/wiki/GetPlayerMoney

Use this to set the player's money;
https://sampwiki.blast.hk/wiki/GivePlayerMoney