Actions System + UI (#2710)

Co-authored-by: Vera Aguilera Puerto <6766154+Zumorica@users.noreply.github.com>

Content.Server/Actions/DebugInstant.cs

@@ -0,0 +1,39 @@
+using Content.Server.Utility;
+using Content.Shared.Actions;
+using Content.Shared.Utility;
+using JetBrains.Annotations;
+using Robust.Shared.Serialization;
+
+namespace Content.Server.Actions
+{
+    /// <summary>
+    /// Just shows a popup message.asd
+    /// </summary>
+    [UsedImplicitly]
+    public class DebugInstant : IInstantAction, IInstantItemAction
+    {
+        public string Message { get; private set; }
+        public float Cooldown { get; private set; }
+
+        public void ExposeData(ObjectSerializer serializer)
+        {
+            serializer.DataField(this, x => x.Message, "message", "Instant action used.");
+            serializer.DataField(this, x => x.Cooldown, "cooldown", 0);
+        }
+
+        public void DoInstantAction(InstantItemActionEventArgs args)
+        {
+            args.Performer.PopupMessageEveryone(Message);
+            if (Cooldown > 0)
+            {
+                args.ItemActions.Cooldown(args.ActionType, Cooldowns.SecondsFromNow(Cooldown));
+            }
+        }
+
+        public void DoInstantAction(InstantActionEventArgs args)
+        {
+            args.Performer.PopupMessageEveryone(Message);
+            args.PerformerActions.Cooldown(args.ActionType, Cooldowns.SecondsFromNow(Cooldown));
+        }
+    }
+}