Provides an easy way to clear tokens from the device.Stores the refresh tokens in a secure place.Unprotected refresh tokens on a device pose a significant security risk. These tokens expire, but can be refreshed. If granted, your application can request an access token for that user. Your application may prompt the user to grant it access to their Google account. Make sure to store this file in a location that only your application can access. Typically, these credentials are stored in a downloaded client_secrets.json file. Some best practices from Google when it comes to keeping these credentials safe:Īny application that uses the Google Assistant API must have authorization credentials that identify the application to Google's authentication server. This enables the (experimental) multithreading support in UnrealEnginePython, which is needed or else we'd lock up the game thread whenever we activate our microphone. Go into Plugins/UnrealEnginePython/Source/UnrealEnginePython/Private/UnrealEnginePythonPrivatePCH.h, uncomment #define UEPY_THREADING 1, and recompile the project. When the project first loads, it'll find this file and open a web browser, where you can give your Google Assistant project access to your Google account. Place the client secret JSON file in Content/Scripts/client_secrets.json. Don't bother making a virtual environment you want pip to install the Google Assistant dependencies into your Python 3 directory, as we need to access them in Unreal. Mostly, you need to play around with the Cloud Platform Console and get Google OAuth working. You need to follow the Google Assistant Raspberry Pi setup instructions to install Google Assistant via Python and make sure everything is working properly. Since this is a full project, I would clone this project first and try to get Unreal Engine Python's example program working first (it's in their README). It's included as a submodule in this repository, but it's always taken a bit of configuration to get set up. You need to have Unreal Engine Python installed and configured. You can also take advantage of Actions on Google to design even more things, referencing your Actions on Google API directly from the game itself. You can do anything that a Google Home can do, so as the functionality of things that work with Google Home expands, you can expand as well. on the NES.Ī D&D-like game where you can give your character any command, like "Tell a joke to the giant monster" and see your actions play out on the screen without needing to map 20 bazillion inputs or have the player type the command out. Then (in real life), you can give Jortana commands like "Hack into the light bridge array" and the (ingame) Jortana will do stuff in the game based on your voice input.Ī game where when you get hit, the lights in your (real-life) game room slowly dim and turn red, then return to normal as you get healthy again.Ī game with a Robotic helper (using Raspberry Pi) that does things in real life as you play the game, like R.O.B. Here's a couple examples:Ī chess game where you control the pieces by saying "Knight to B5."Ī game called Space Marine: Evolved Combat where (in the game) you walk up to a console and insert your AI helper Jortana. The idea is twofold: Players can either control things inside the game with their voice or things in the game could have an effect in "real life". This is a full project which aims to integrate the Google Assistant SDK into Unreal Engine 4.
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