I am currently working on a rpg game where I need to have NPC included, that NPC should enable player to buy or sell weapons/items.
Is there any similar tutorial I can refer to ?
There are some tuts on how to create an inventory system which should help.
What I am trying to do is when I communicate with the NPC, a list will come out for selection, then once I purchase it, only then the item will go into my character's inventory..
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Enable a layer which has a list of items that can be selected and then add in some buttons for buy/sell and some logic for currency and adding to the item to the character's inventory. Check le tutorials.