【Unite 2017 Tokyo】「黒騎士と白の魔王」にみるC#で統一したサーバー/クライアント開発と現実的なUniRx使いこなし術

Yoshifumi Kawai
CTOGrani, Inc.

About speaker
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• 4 NPC
• 4 vs 4
• C#
• AI
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• UniRx
• LINQ to GameObject
• MessagePack for C#
• MagicOnion
• MasterMemory
• ReMotion
• by Yoshifumi Kawai
• etc...

Why C#?
Why Unity?
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C#
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• IDL(Interface Definiton Language)
• IDL = JSON proto /
• IDL ……
• IDL
• C#
• IDL

IDL
• Visual Studio
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• Unity
• Git
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• C#
• C#
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C# C#
• C# C#
• C# 6.0(Visual Studio 2015)
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• [MessagePackObject] => ***MessagePackFormatter
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C#
• C# /
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IDL
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gRPC
• Web API + Streaming
• Google HTTP/2 RPC
• HTTP/2 HTTP/1
• gRPC
• Web API
• (Unity )
• (Unity Web API )
google

Unity gRPC
• C# gRPC Unity
• .NET 4.5
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• gRPC Client Unity
• .NET 3.5 + IL2CPP
• (C Core) iOS/Android
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• gRPC IDL Protocol Buffers
/ Unity
• HTTP/2 gRPC

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UNET
• Unity
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• C#
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Web API
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Streaming Service(gRPC Battle Engine)

F for AI
• AI (DSL) F#
• F# .NET Framework
• Excel F#
C# gRPC BattleEngine
• AI

Streaming Server
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We’re using UniRx
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UniRx
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Rx 3
// これで例外を共通ハンドリング
IObservable<TResponse> HnadleCommonError<TRequest, TResponse>(IObservable<TResponse> source
{
return source
.Catch((Exception ex) =>
{
// Exception使って共通エラーポップアップを出したりするとする
NavigationService.ShowMessagePopUpAsync("error", "errorMessage").Subscribe();
// 呼び元に真の意味で何も返さない
return Observable.Never<TResponse>();
});
}

Pitfall of Empty
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IObservable<Unit> Test()
{
return Observable.FromCoroutine(() => TestCore());
}
IEnumerator TestCore()
{
yield return Observable.Empty<int>().ToYieldInstruction();
Debug.Log(“この行には到達する");
}

Pitfall of Empty
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IObservable<Unit> Test()
{
return Observable.FromCoroutine(() => TestCore());
}
IEnumerator TestCore()
{
yield return Observable.Empty<int>().ToYieldInstruction();
Debug.Log("come here");
}

UI Framework Rx
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Chaotic Rx
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Ivory.Unity.Core.Scene.<OnAfterNavigate>c__AnonStorey76A:<>m__2DC7(Unit)
UniRx.Operators.Do:OnNext(Unit)
UniRx.Operators.ImmutableReturnUnitObservable:Subscribe(IObserver`1)
UniRx.Operators.Do:Run()
UniRx.Operators.DoObservable`1:SubscribeCore(IObserver`1, IDisposable)
UniRx.Operators.OperatorObservableBase`1:Subscribe(IObserver`1)
UniRx.Operators.SelectManyOuterObserver:OnNext(Unit)
UniRx.Operators.SelectMany:OnNext(Unit)
UniRx.Operators.SelectManyOuterObserver:Run()
UniRx.Operators.SelectManyObservable`2:SubscribeCore(IObserver`1, IDisposable)
UniRx.Operators.WhenAll_:OnNext(Unit)
UniRx.Operators.WhenAllCollectionObserver:OnCompleted()
UniRx.Operators.AsUnitObservable:OnCompleted()
UniRx.Operators.WhenAll:OnCompleted()
UniRx.Operators.WhenAllCollectionObserver:OnCompleted()

Model-View-(Reacitve)Presenter
View
Reactive
Presenter
Model

Chaotic-Reacitve-Model
Reactive
Presenter
Model

Rx Simplicity
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Rx
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• Before gRPC
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• After gRPC
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Architecture of MasterMemory
Header LZ4+MsgPack LZ4+MsgPack LZ4+MsgPack LZ4+MsgPack
Memory<T>

The Future Has Come
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• C#
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We're Hiring
Unity Engineer/Technical Artist
http://recruit.grani.jp/

【Unite 2017 Tokyo】「黒騎士と白の魔王」にみるC#で統一したサーバー/クライアント開発と現実的なUniRx使いこなし術

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【Unite 2017 Tokyo】「黒騎士と白の魔王」にみるC#で統一したサーバー/クライアント開発と現実的なUniRx使いこなし術