How do check if someone owns a DLC?

Hey there,

My game is launching on Steam soon and I am planning to make it free to play with optional DLCs to buy.

The official Greenworks Plugin does not have support for DLCs and I fear the "Steam4C2" Addon is outdated/not supported.

Steam is able to download additional files when a certain DLC is purchased, so I could just add a text file with some content in it and then check inside of the game if that file with the content is in the folder. If so, then activate the DLC.

That approach would be super unsafe and easily "hackable", so I would only take this as the last possible option. (I tried it and it works at least)

Is there any safer way you can do it or should I just buy the "Steam4C2" addon?

13spongg13

One easy way, for DLC check run a back-end Node JS script on AWS Lambda which you can communicate with using Websocket in C3. Secure, simple and with no dependency on Steam.

Thanks,

Umar

13spongg13

Hi,

Here is the step by step process,

1. Make a Node JS script to handle incoming checks from the game, resources

https://www.w3schools.com/nodejs/default.asp

https://github.com/websockets/ws

2. Host it on AWS Lambda, resources

https://docs.aws.amazon.com/lambda/latest/dg/nodejs-prog-model-handler.html

https://docs.aws.amazon.com/lambda/latest/dg/programming-model.html

3. Add connection and process checks with Websocket using C3, resources

https://www.construct.net/en/make-games/manuals/construct-3/plugin-reference/websocket

That's pretty much all you need. Not sure if I could find you a documentary to help with it, but the resources and documentation mentioned in my list above are more than sufficient. Also Udemy definitely has courses to learn Node JS.

Drop me a message on readumar at gmail if something is unclear, it's faster for me to respond that way.

Thanks,

Umar

umarfarooq

Thanks for taking the time to post these, I will try to get a hang of it!