Kill bobby 2.0 (#6023)

Content.Shared/Body/Components/MechanismComponent.cs

@@ -0,0 +1,84 @@
+using Content.Shared.Body.Events;
+using Content.Shared.Body.Part;
+using Robust.Shared.GameObjects;
+using Robust.Shared.IoC;
+using Robust.Shared.Serialization;
+using Robust.Shared.Serialization.Manager.Attributes;
+
+namespace Content.Shared.Body.Components
+{
+    [RegisterComponent]
+    public class MechanismComponent : Component, ISerializationHooks
+    {
+        [Dependency] private readonly IEntityManager _entMan = default!;
+
+        public override string Name => "Mechanism";
+
+        private SharedBodyPartComponent? _part;
+
+        public SharedBodyComponent? Body => Part?.Body;
+
+        public SharedBodyPartComponent? Part
+        {
+            get => _part;
+            set
+            {
+                if (_part == value)
+                {
+                    return;
+                }
+
+                var old = _part;
+                _part = value;
+
+                if (old != null)
+                {
+                    if (old.Body == null)
+                    {
+                        _entMan.EventBus.RaiseLocalEvent(Owner, new RemovedFromPartEvent(old));
+                    }
+                    else
+                    {
+                        _entMan.EventBus.RaiseLocalEvent(Owner, new RemovedFromPartInBodyEvent(old.Body, old));
+                    }
+                }
+
+                if (value != null)
+                {
+                    if (value.Body == null)
+                    {
+                        _entMan.EventBus.RaiseLocalEvent(Owner, new AddedToPartEvent(value));
+                    }
+                    else
+                    {
+                        _entMan.EventBus.RaiseLocalEvent(Owner, new AddedToPartInBodyEvent(value.Body, value));
+                    }
+                }
+            }
+        }
+
+        [DataField("maxDurability")] public int MaxDurability { get; set; } = 10;
+
+        [DataField("currentDurability")] public int CurrentDurability { get; set; } = 10;
+
+        [DataField("destroyThreshold")] public int DestroyThreshold { get; set; } = -10;
+
+        // TODO BODY: Surgery description and adding a message to the examine tooltip of the entity that owns this mechanism
+        // TODO BODY
+        [DataField("resistance")] public int Resistance { get; set; } = 0;
+
+        // TODO BODY OnSizeChanged
+        /// <summary>
+        ///     Determines whether this
+        ///     <see cref="MechanismComponent"/> can fit into a <see cref="SharedBodyPartComponent"/>.
+        /// </summary>
+        [DataField("size")] public int Size { get; set; } = 1;
+
+        /// <summary>
+        ///     What kind of <see cref="SharedBodyPartComponent"/> this
+        ///     <see cref="MechanismComponent"/> can be easily installed into.
+        /// </summary>
+        [DataField("compatibility")]
+        public BodyPartCompatibility Compatibility { get; set; } = BodyPartCompatibility.Universal;
+    }
+}