Shop example

A simple demonstration of a way to make a shop in GameMaker. This file is compatible with GM 3.1 or higher, and uses a maximum of only 5 lines of code per script to allow demo users (of old and current versions) to experiment with it. INIT CODE - Displays item quantities at start of Shop Interaction. Place in the card script of both the BUY and SELL cards. SHOWBUTTON 1 Item ( $itemname$ ) SHOWBUTTON 2 Item2 ( $itemname2$ ) ...etc... BUY CODE - Put on button of item. Set number on SHOWBUTTON to same number as button being used. IF counter >= 100 THEN itemname = itemname + 1 counter = counter - 100 SHOWBUTTON 1 Item ( $itemname$ ) END IF SELL CODE - Put on button of item. Set number on SHOWBUTTON to same number as button being used. IF itemname > 0 THEN itemname = itemname - 1 counter = counter + 100 SHOWBUTTON 1 Item ( $itemname$ ) END IF

Download it here.