Initial commit: Unity WordConnect project

Assets/WordConnectGameToolkit/VContainer/Runtime/Unity/SystemRegistrationBuilder.cs

@@ -0,0 +1,43 @@
+#if VCONTAINER_ECS_INTEGRATION
+using System;
+using System.Collections.Generic;
+using Unity.Entities;
+using VContainer.Internal;
+
+namespace VContainer.Unity {
+	public sealed class SystemRegistrationBuilder : RegistrationBuilder {
+		readonly string worldName;
+		Type systemGroupType;
+
+		internal SystemRegistrationBuilder(Type implementationType, string worldName)
+			: base(implementationType, default) {
+			this.worldName = worldName;
+			InterfaceTypes = new List<Type> {
+				typeof(ComponentSystemBase),
+				implementationType
+			};
+		}
+
+		public override Registration Build() {
+			var injector = InjectorCache.GetOrBuild(ImplementationType);
+
+			var parameters = new object[] {
+				ImplementationType,
+				worldName,
+				systemGroupType,
+				injector,
+				Parameters
+			};
+
+			Type type = typeof(SystemInstanceProvider<>).MakeGenericType(ImplementationType);
+			var provider = (IInstanceProvider)Activator.CreateInstance(type, parameters);
+			return new Registration(ImplementationType, Lifetime, InterfaceTypes, provider);
+		}
+
+		public SystemRegistrationBuilder IntoGroup<T>() where T : ComponentSystemGroup {
+			systemGroupType = typeof(T);
+			return this;
+		}
+	}
+}
+#endif