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Contributing

Setting up MySQL

Project Lighthouse requires a MySQL database. For Linux users running docker, one can be set up using the docker-compose.yml file in the root of the project folder.

Next, make sure the LIGHTHOUSE_DB_CONNECTION_STRING environment variable is set correctly. By default, it is server=127.0.0.1;uid=root;pwd=lighthouse;database=lighthouse. If you are running the database via the above docker-compose.yml you shouldn't need to change this. For other development/especially production environments you will need to change this.

Once you've gotten MySQL running you can run Lighthouse. It will take care of the rest.

Connecting

PS3 is difficult to set up, so I will be going over how to set up RPCS3 instead. A guide will be coming for PS3 closer to release. You can also follow this guide if you want to learn how to modify your EBOOT.

Note: This requires a patched copy of RPCS3. You can find a working version on our GitHub.

Start by getting a copy of LittleBigPlanet 1/2 installed. (Check the LittleBigPlanet 1 section, since you'll need to do extra steps for your game to not crash upon entering pod computer).

The game can be a digital copy (NPUA80472/NPUA80662) or a disc copy ( BCUS98148/BCUS98245).

Next, download UnionPatcher. Binaries can be found by reading the README.md file.

You should have everything you need now, so open up RPCS3 and go to Utilities -> Decrypt PS3 Binaries. Point this to rpcs3/dev_hdd0/game/(title id)/USRDIR/EBOOT.BIN. You can grab your title id by right clicking the game in RPCS3 and clicking Copy Info -> Copy Serial.

This should give you a file named EBOOT.elf in the same folder. This is your decrypted eboot.

Now that you have your decrypted eboot, open UnionPatcher and select the EBOOT.elf you got earlier in the top box, enter http://localhost:10060/LITTLEBIGPLANETPS3_XML in the second, and the output filename in the third. For this guide I'll use EBOOTlocalhost.elf.

Now, copy the EBOOTlocalhost.elf file to where you got your EBOOT.elf file from, and you're now good to go.

To launch the game with the patched EBOOT, open up RPCS3, go to File, Boot SELF/ELF, and open up EBOOTlocalhost.elf.

Assuming you are running the patched version of RPCS3, you patched the file correctly, the database is migrated, and Project Lighthouse is running, the game should now connect and you may begin contributing!

LittleBigPlanet 1

For LittleBigPlanet 1 to work with RPCS3, follow the steps above normally.

First, open your favourite hex editor. We recommend HxD.

Once you have a hex editor open, open your EBOOTlocalhost.elf file and search for the hex values 73 63 65 4E 70 43 6F 6D 6D 65 72 63 65 32. In HxD, this would be done by clicking on Search -> Replace, clicking on the Hex-values tab, and entering the hex there.

Then, you can zero it out by replacing it with 00 00 00 00 00 00 00 00 00 00 00 00 00 00.

What this does is remove all the references to the sceNpCommerce2 function. The function is used for purchasing DLC, which at this moment in time crashes RPCS3.

After saving the file your LBP1 EBOOT can be used with RPCS3.

Contributing Tips

Database migrations

Some modifications may require updates to the database schema. You can automatically create a migration file by:

  1. Making sure the tools are installed. You can do this by running dotnet tool restore.
  2. Making sure LIGHTHOUSE_DB_CONNECTION_STRING is set correctly. See the Running section for more details.
  3. Modifying the database schema via the C# portion of the code. Do not modify the actual SQL database.
  4. Running dotnet ef migrations add <NameOfMigrationInPascalCase> --project ProjectLighthouse.

This process will create a migration file from the changes made in the C# code.

The new migrations will automatically be applied upon starting Lighthouse.

Running tests

You can run tests either through your IDE or by running dotnet tests.

Keep in mind while running database tests (which most tests are) you need to have LIGHTHOUSE_DB_CONNECTION_STRING set.

Continuous Integration (CI) Tips

  • You can skip CI runs for a commit if you specify [skip ci] at the beginning of the commit name. This is useful for formatting changes, etc.
  • When creating your first pull request, CI will not run initially. A team member will have to approve you for use of running CI on a pull request. This is because of GitHub policy.

API Documentation

You can access API documentation by looking at the XMLDoc in the controllers under ProjectLighthouse.Controllers.Api

You can also access an interactive version by starting Lighthouse and accessing Swagger at http://localhost:10060/swagger/index.html.