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StarCraft II Client API for .NET

A .NET (C#, F#, VB.Net) port of https://github.com/Blizzard/s2client-api into .Net "Standard" 2.0.

Warning: This is work in progress and APIs might change.

NuGet

https://www.nuget.org/packages/s2client-dotnet

Why

TBD. Probably to make something awesome in a sane language ;)

Usage

Current a bot is a simple function GameState -> IEnumerable<SC2APIProtocol.Action> so for every state the bot decides to do a list of actions. There probably will be higher level interfaces with some predefined events/states later.

The following example will spawn a instance of Starcraft 2 (Runner.run(Instance.start(settings))) then setup the game:

• The map to use
• some configurations (for example if played in realtime or not)
• The participants.

So for example to play against a hard bot on AbyssalReefLE.SC2Map you can download and install the map according to https://github.com/Blizzard/s2client-proto#installing-map-and-replay-packs and then start the game via the following code:

static void Main(string[] args)
{
    var userSettings = Sc2SettingsFile.settingsFromUserDir();

    var instanceSettings = Instance.StartSettings.OfUserSettings(userSettings);

    Func<Instance.Sc2Instance> createInstance =
        () => Runner.run(Instance.start(instanceSettings));

    var participants = new Sc2Game.Participant[] {
        Sc2Game.Participant.CreateParticipant(
            createInstance(), 
            Race.Terran, 
            (state => (IEnumerable<SC2APIProtocol.Action>)new SC2APIProtocol.Action[] {})),
        Sc2Game.Participant.CreateComputer(Race.Terran, Difficulty.Hard)
    };

    var gameSettings =
        Sc2Game.GameSettings.OfUserSettings(userSettings)
        .WithMap(@"Ladder2017Season1\AbyssalReefLE.SC2Map")
        .WithRealtime(true);

    // Runs the game to the end with the given bots / map and configuration
    Runner.run(Sc2Game.runGame(gameSettings, participants));
}

In F# it looks a bit nicer ;)

    let userSettings = Sc2SettingsFile.settingsFromUserDir()

    let instanceSettings = Instance.StartSettings.OfUserSettings userSettings

    let instance() = Instance.start(instanceSettings) |> Async.RunSynchronously

    let participants =
        [ Sc2Game.Participant(instance(), Race.Terran, (fun _ -> []))
          Sc2Game.Computer(Race.Terran, Difficulty.Hard) ]
    
    let settings = 
        { Sc2Game.GameSettings.OfUserSettings userSettings with
             Map = @"Ladder2017Season1\AbyssalReefLE.SC2Map"
             Realtime = true }
    Sc2Game.runGame settings participants |> Async.RunSynchronously

The empty bot function will ensure you can play manually. Obviously you want to implement that with something useful.

Further documentation (regarding the datastructures and custom StarCraft II Builds)

• https://github.com/Blizzard/s2client-proto/tree/master/s2clientprotocol
• https://github.com/Blizzard/s2client-proto
• Reference C++ Implementation https://github.com/Blizzard/s2client-api

If you use the library don't hesitate to let me know ;)

Building

Requirements:

• Fake 5 (install via chocolatey choco install fake or unzip and add to path)
• Install Dotnet SDK 2 (only required for running tests as of today)

1. Build everything with a single command:
   • fake run build.fsx

Now the release/nuget folder contains the packages.

2. Run the test projects

   • Download and extract the "Ladder 2017 Season 1" pack from https://github.com/Blizzard/s2client-proto

   • dotnet run --project src/s2client-testCSharp/s2client-testCSharp.csproj

   • dotnet run --project src/s2client-test/s2client-test.fsproj