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Unreal Engine Sample Game

This Unreal Engine sample game demoes features provided by the https://github.com/immutable/unreal-immutable-sdk plugin. It is built with Unreal Engine 4.26 (the min Unreal Engine version the Unreal SDK supports), so the sample blueprints are compatible with newer versions of Unreal Engine.

Cloning this Repo

Before cloning this repo, ensure you have git lfs installed.

This repo uses sub-modules, to clone including the correct sub-modules use the following command:

git clone --recurse-submodules [email protected]:immutable/sample-unreal-game.git

To pull new changes after cloned use the following command:

git pull --recurse-submodules

The submodules include the BLUI and unreal-immutable-sdk repositories, which get cloned into the Plugins directory with the correct plugin settings configured for BLUI and the Unreal SDK to work out of the box without additional setup steps.

Backend Submodule

The Backend folder is a submodule linked to the feat/list-asset branch of the unity-sdk-game-tutorial repo so the Unreal sample game can re-use the contracts, json-server, and mint-backend modules from the tutorial repo. The tutorial repo includes a lot of Unity specific assets and files which are not used in the Unreal game game but they can be ignored by configuring sparse checkout with git.

To configure sparse checkout and only clone the contracts, json-server, and mint-backend modules into the Backend folder:

  1. Create a sparse-checkout file in the .git/modules/Backend/info folder:

    # open a terminal at the root of the sample game repo
touch .git/modules/Backend/info/sparse-checkout

  2. Add the folder paths from the tutorial repo you wish to clone:

    echo "contracts/*" >> .git/modules/Backend/info/sparse-checkout
echo "json-server/*" >> .git/modules/Backend/info/sparse-checkout
echo "mint-backend/*" >> .git/modules/Backend/info/sparse-checkout

  3. Checkout the branch:

    cd Backend/
git checkout feat/list-asset

Now there should only be the contracts, json-server, and mint-backend folders in the sample game Backend folder.

Note: the sparse checkout config is local only and won't get pushed to remote, so this will need to be setup once the first time the repo is cloned.

See the README files in the contracts, json-server, and mint-backend folders for how to use the backend servers for local development or to deploy contracts.

Running the Game

Pre-requisites

  • Unreal Engine 4.26 (or newer)
  • Visual Studio 2019

Quick Start

After cloning the repo, double click the SampleGame426 uproject file in the file explorer will build the project and launch Unreal Engine 4.26.

Enable Plugin Content

How to view plugin conent in Content Browser

  • Open the Content Browser
  • Click on View Options button in the bottom right corner of the Content Browser window
  • Select Show Plugin Content

The Immutable Content folder includes sample blueprints from the unreal-immutable-sdk plugin.

BLUI

For Unreal Engine 4.26 and 4.27, the Unreal SDK use BLUI plugin instead of WebBrowserWidget plugin. Normally when installing the Unreal SDK into a project there are additional requirements for setting up BLUI. This project comes with the WebBroswerWidget and BLUI setup correctly and should work without any additional configuration.

More information about BLUI can be found on the Unreal SDK installation docs.

Changelog Management

The following headings should be used as appropriate.

  • Added
  • Changed
  • Deprecated
  • Removed
  • Fixed

What follows is an example with all the change headings, for real world use only use headings when appropriate. This goes at the top of the CHANGELOG.md above the most recent release.

...

## [Unreleased]

### Added

for new features.

### Changed

for changes in existing functionality.

### Deprecated

for soon-to-be removed features.

### Removed

for now removed features.

### Fixed

for any bug fixes.

...

Contributing

If you would like to contribute, please read the following:

Getting Help

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License

Immutable Unity SDK repository is distributed under the terms of the Apache License (Version 2.0).