Move Access & AccessReader to shared. (#5798)

* git mv

* Move Access Component & system.

- Name space changes
- Rename AccessReader to AccessReaderComponent
- Also need an abstract TryGetSlot function for SharedInventoryComponent

* better TryGetSlot

* Ah yes, tests exist.

Content.Client/Inventory/ClientInventoryComponent.cs

@@ -228,9 +228,17 @@ namespace Content.Client.Inventory
             _playerAttached = true;
         }
 
-        public bool TryGetSlot(Slots slot, [NotNullWhen(true)] out EntityUid item)
+        public override bool TryGetSlot(Slots slot, [NotNullWhen(true)] out EntityUid? item)
         {
-            return _slots.TryGetValue(slot, out item);
+            // dict TryGetValue uses default EntityUid, not null.
+            if (!_slots.ContainsKey(slot))
+            {
+                item = null;
+                return false;
+            }
+
+            item = _slots[slot];
+            return item != null;
         }
 
         public bool TryFindItemSlots(EntityUid item, [NotNullWhen(true)] out Slots? slots)

Content.Client/Inventory/ClientInventorySystem.cs

@@ -35,9 +35,9 @@ namespace Content.Client.Inventory
         // jesus christ, this is duplicated to server/client, should really just be shared..
         private void OnSlipAttemptEvent(EntityUid uid, ClientInventoryComponent component, SlipAttemptEvent args)
         {
-            if (component.TryGetSlot(EquipmentSlotDefines.Slots.SHOES, out EntityUid shoes))
+            if (component.TryGetSlot(EquipmentSlotDefines.Slots.SHOES, out EntityUid? shoes))
             {
-                RaiseLocalEvent(shoes, args, false);
+                RaiseLocalEvent(shoes.Value, args, false);
             }
         }
 

Content.Client/Inventory/HumanInventoryInterfaceController.cs

@@ -203,7 +203,7 @@ namespace Content.Client.Inventory
             if (!Owner.TryGetSlot(slot, out var item))
                 return;
 
-            if (!_itemSlotManager.OnButtonPressed(args, item))
+            if (!_itemSlotManager.OnButtonPressed(args, item.Value))
                 base.HandleInventoryKeybind(args, slot);
         }
 
@@ -232,7 +232,7 @@ namespace Content.Client.Inventory
 
                 if (Owner.TryGetSlot(slot, out var entity))
                 {
-                    AddToSlot(slot, entity);
+                    AddToSlot(slot, entity.Value);
                 }
             }
         }