Re-organize all projects (#4166)

Content.Server/Paper/PaperComponent.cs

@@ -0,0 +1,98 @@
+#nullable enable
+using System.Threading.Tasks;
+using Content.Server.UserInterface;
+using Content.Shared.Examine;
+using Content.Shared.Interaction;
+using Content.Shared.Paper;
+using Content.Shared.Tag;
+using Robust.Server.GameObjects;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Localization;
+using Robust.Shared.Serialization.Manager.Attributes;
+using Robust.Shared.Utility;
+using Robust.Shared.ViewVariables;
+
+namespace Content.Server.Paper
+{
+    [RegisterComponent]
+    public class PaperComponent : SharedPaperComponent, IExamine, IInteractUsing, IUse
+    {
+        private PaperAction _mode;
+        [DataField("content")]
+        public string Content { get; private set; } = "";
+
+        [ViewVariables] private BoundUserInterface? UserInterface => Owner.GetUIOrNull(PaperUiKey.Key);
+
+        public override void Initialize()
+        {
+            base.Initialize();
+
+            if (UserInterface != null)
+            {
+                UserInterface.OnReceiveMessage += OnUiReceiveMessage;
+            }
+
+            _mode = PaperAction.Read;
+            UpdateUserInterface();
+        }
+        private void UpdateUserInterface()
+        {
+            UserInterface?.SetState(new PaperBoundUserInterfaceState(Content, _mode));
+        }
+
+        public void Examine(FormattedMessage message, bool inDetailsRange)
+        {
+            if (!inDetailsRange)
+                return;
+            if (Content == "")
+                return;
+
+            message.AddMarkup(
+                Loc.GetString(
+                    "paper-component-examine-detail-has-words"
+                )
+            );
+        }
+
+        bool IUse.UseEntity(UseEntityEventArgs eventArgs)
+        {
+            if (!eventArgs.User.TryGetComponent(out ActorComponent? actor))
+                return false;
+
+            _mode = PaperAction.Read;
+            UpdateUserInterface();
+            UserInterface?.Toggle(actor.PlayerSession);
+            return true;
+        }
+
+        private void OnUiReceiveMessage(ServerBoundUserInterfaceMessage obj)
+        {
+            var msg = (PaperInputText) obj.Message;
+            if (string.IsNullOrEmpty(msg.Text))
+                return;
+
+            Content += msg.Text + '\n';
+
+            if (Owner.TryGetComponent(out SpriteComponent? sprite))
+            {
+                sprite.LayerSetState(0, "paper_words");
+            }
+
+            Owner.Description = "";
+            UpdateUserInterface();
+        }
+
+        async Task<bool> IInteractUsing.InteractUsing(InteractUsingEventArgs eventArgs)
+        {
+            if (!eventArgs.Using.HasTag("Write"))
+                return false;
+            if (!eventArgs.User.TryGetComponent(out ActorComponent? actor))
+                return false;
+
+            _mode = PaperAction.Write;
+            UpdateUserInterface();
+            UserInterface?.Open(actor.PlayerSession);
+            return true;
+        }
+    }
+}