Rework Drink/Food/FoodContainer entirely (#1009)

Co-authored-by: FL-OZ <anotherscuffed@gmail.com>
Co-authored-by: Pieter-Jan Briers <pieterjan.briers+git@gmail.com>

Content.Server/GameObjects/Components/Nutrition/FoodContainerComponent.cs

@@ -0,0 +1,99 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Content.Server.GameObjects.EntitySystems;
+using Content.Shared.GameObjects.Components.Nutrition;
+using Robust.Server.GameObjects;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Interfaces.GameObjects;
+using Robust.Shared.Interfaces.Random;
+using Robust.Shared.IoC;
+using Robust.Shared.Serialization;
+using Robust.Shared.ViewVariables;
+
+namespace Content.Server.GameObjects.Components.Nutrition
+{
+    /// <summary>
+    /// This container acts as a master object for things like Pizza, which holds slices.
+    /// </summary>
+    /// TODO: Perhaps implement putting food back (pizza boxes) but that really isn't mandatory.
+    /// This doesn't even need to have an actual Container for right now.
+    [RegisterComponent]
+    public sealed class FoodContainer : SharedFoodContainerComponent, IUse
+    {
+#pragma warning disable 649
+        [Dependency] private readonly IRobustRandom _random;
+        [Dependency] private readonly IEntityManager _entityManager;
+#pragma warning restore 649
+        public override string Name => "FoodContainer";
+
+        private AppearanceComponent _appearance;
+        private Dictionary<string, int> _prototypes;
+        private uint _capacity;
+
+        public int Capacity => (int)_capacity;
+        [ViewVariables]
+        public int Count => _count;
+
+        private int _count = 0;
+
+        public override void ExposeData(ObjectSerializer serializer)
+        {
+            base.ExposeData(serializer);
+            serializer.DataField(ref _prototypes, "prototypes", null);
+            serializer.DataField<uint>(ref _capacity, "capacity", 5);
+        }
+
+        public override void Initialize()
+        {
+            base.Initialize();
+            Owner.TryGetComponent(out _appearance);
+            _count = Capacity;
+            UpdateAppearance();
+
+        }
+
+        bool IUse.UseEntity(UseEntityEventArgs eventArgs)
+        {
+
+            var hands = eventArgs.User.TryGetComponent(out HandsComponent handsComponent);
+            var itemToSpawn = _entityManager.SpawnEntity(GetRandomPrototype(), Owner.Transform.GridPosition);
+            handsComponent.PutInHandOrDrop(itemToSpawn.GetComponent<ItemComponent>());
+            _count--;
+            if (_count < 1)
+            {
+                Owner.Delete();
+                return false;
+            }
+            return true;
+
+        }
+
+
+        private string GetRandomPrototype()
+        {
+            var defaultProto = _prototypes.Keys.FirstOrDefault();
+            if (_prototypes.Count == 1)
+            {
+                return defaultProto;
+            }
+            var probResult = _random.Next(0, 100);
+            var total = 0;
+            foreach (var item in _prototypes)
+            {
+                total += item.Value;
+                if (probResult < total)
+                {
+                    return item.Key;
+                }
+            }
+
+            return defaultProto;
+        }
+
+        private void UpdateAppearance()
+        {
+            _appearance?.SetData(FoodContainerVisuals.Current, Count);
+        }
+    }
+}