add gateway for admeme (#17587)

Co-authored-by: deltanedas <@deltanedas:kde.org>

Content.Server/Gateway/Components/GatewayDestinationComponent.cs

@@ -0,0 +1,42 @@
+using Content.Server.Gateway.Systems;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom;
+
+namespace Content.Server.Gateway.Components;
+
+/// <summary>
+/// A gateway destination linked to by station gateway(s).
+/// </summary>
+[RegisterComponent, Access(typeof(GatewaySystem))]
+public sealed class GatewayDestinationComponent : Component
+{
+    /// <summary>
+    /// Whether this destination is shown in the gateway ui.
+    /// If you are making a gateway for an admeme set this once you are ready for players to select it.
+    /// </summary>
+    [DataField("enabled"), ViewVariables(VVAccess.ReadWrite)]
+    public bool Enabled;
+
+    /// <summary>
+    /// Name as it shows up on the ui of station gateways.
+    /// </summary>
+    [DataField("name"), ViewVariables(VVAccess.ReadWrite)]
+    public string Name = string.Empty;
+
+    /// <summary>
+    /// Time at which this destination is ready to be linked to.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite), DataField("nextReady", customTypeSerializer:typeof(TimeOffsetSerializer))]
+    public TimeSpan NextReady;
+
+    /// <summary>
+    /// How long the portal will be open for after linking.
+    /// </summary>
+    [DataField("openTime"), ViewVariables(VVAccess.ReadWrite)]
+    public TimeSpan OpenTime = TimeSpan.FromSeconds(600);
+
+    /// <summary>
+    /// How long the destination is not ready for after the portal closes.
+    /// </summary>
+    [DataField("cooldown"), ViewVariables(VVAccess.ReadWrite)]
+    public TimeSpan Cooldown = TimeSpan.FromSeconds(60);
+}