SharedItemComponent (#3513)

* StorableComponent refactor

* ItemComponent refactor

* conflict fixes

* removes redundant null check

* removes redundant item throwing code

* fix conflicts

* ExplosionLaunchedComponent

Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>

Content.Client/GameObjects/Components/Items/ItemComponent.cs

@@ -1,102 +1,26 @@
-using Content.Client.GameObjects.Components.Disposal;
-using Content.Shared.GameObjects;
-using Content.Shared.GameObjects.Components.Items;
-using Content.Shared.Interfaces.GameObjects.Components;
-using Robust.Client.Graphics;
-using Robust.Client.ResourceManagement;
+#nullable enable
+using Content.Shared.GameObjects.Components.Storage;
 using Robust.Shared.Containers;
 using Robust.Shared.GameObjects;
-using Robust.Shared.IoC;
-using Robust.Shared.Maths;
-using Robust.Shared.Serialization.Manager.Attributes;
-using Robust.Shared.Utility;
-using Robust.Shared.ViewVariables;
 
 namespace Content.Client.GameObjects.Components.Items
 {
     [RegisterComponent]
-    [ComponentReference(typeof(IItemComponent))]
-    public class ItemComponent : Component, IItemComponent, IDraggable
+    [ComponentReference(typeof(SharedItemComponent))]
+    public class ItemComponent : SharedItemComponent
     {
-        [Dependency] private readonly IResourceCache _resourceCache = default!;
-
-        public override string Name => "Item";
-        public override uint? NetID => ContentNetIDs.ITEM;
-
-        [ViewVariables]
-        [DataField("sprite")]
-        protected ResourcePath? RsiPath;
-
-        [ViewVariables(VVAccess.ReadWrite)]
-        [DataField("color")]
-        protected Color Color = Color.White;
-
-        [DataField("HeldPrefix")]
-        private string? _equippedPrefix;
-
-        [ViewVariables(VVAccess.ReadWrite)]
-        public string? EquippedPrefix
+        public override bool TryPutInHand(IEntity user)
         {
-            get => _equippedPrefix;
-            set
-            {
-                _equippedPrefix = value;
-
-                if (!Owner.TryGetContainer(out var container))
-                    return;
-
-                if (container.Owner.TryGetComponent(out HandsComponent? hands))
-                    hands.RefreshInHands();
-            }
+            return false;
         }
 
-        public (RSI rsi, RSI.StateId stateId, Color color)? GetInHandStateInfo(HandLocation hand)
+        protected override void OnEquippedPrefixChange()
         {
-            var rsi = GetRSI();
-
-            if (rsi == null)
-            {
-                return null;
-            }
-
-            var handName = hand.ToString().ToLowerInvariant();
-            var stateId = EquippedPrefix != null ? $"{EquippedPrefix}-inhand-{handName}" : $"inhand-{handName}";
-
-            if (rsi.TryGetState(stateId, out _))
-            {
-                return (rsi, stateId, Color);
-            }
-
-            return null;
-        }
-
-        protected RSI? GetRSI()
-        {
-            if (RsiPath == null)
-            {
-                return null;
-            }
-
-            return _resourceCache.GetResource<RSIResource>(SharedSpriteComponent.TextureRoot / RsiPath).RSI;
-        }
-
-        public override void HandleComponentState(ComponentState? curState, ComponentState? nextState)
-        {
-            if (curState is not ItemComponentState state)
+            if (!Owner.TryGetContainer(out var container))
                 return;
 
-            EquippedPrefix = state.EquippedPrefix;
-        }
-
-        bool IDraggable.CanDrop(CanDropEventArgs args)
-        {
-            return args.Target.HasComponent<DisposalUnitComponent>();
-        }
-
-        bool IDraggable.Drop(DragDropEventArgs args)
-        {
-            // TODO: Shared item class
-            return false;
+            if (container.Owner.TryGetComponent(out HandsComponent? hands))
+                hands.RefreshInHands();
         }
     }
 }