GameSystemDeclaration

class

Core/Vixen.Engine/Frames/GameSystems.cs:68

csharp

public sealed class GameSystemDeclaration

One system a project declared: what it is, what it needs, and how to build it.

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Remarks

⚠ The factory is emitted, not reflected. GameSystemGenerator writes a lambda that calls the constructor with the arguments cast to their declared types, so there is no ConstructorInfo.Invoke anywhere in this path. That is the same reason ServiceRegistry is not a DI container: under NativeAOT the reflective version does not work at all, and the emitted one is shorter as well as faster.

Fields and properties (3)

public Type SystemType
The system's type.
public string Name
Its short name, which is what a report calls it.
public IReadOnlyList<Type> Requires
The services its constructor takes, in order, by the type it declared them as.

Methods (2)

public GameSystemDeclaration(Type systemType, Type[] requires, Func<object[], ISystem> factory)
Declares a system. Called by generated code.
public bool TryCreate(IServiceProvider services, out ISystem? system, out Type? missing)
Builds the system, if everything it needs is there.

Used by (6)

VillageRunAiVillage.Agent.Tests
VillageTestsAiVillage.Agent.Tests
GameSystemRegistryVixen.Engine
GameSystemTestsVixen.Engine.Tests
GameSystemsVixen.Engine
SystemsRunnerVixen.Cli