Adds the ChemMaster 4000 (#1398)

Content.Server/GameObjects/Components/Chemistry/PillComponent.cs

@@ -0,0 +1,117 @@
+using System;
+using System.Collections.Generic;
+using Content.Server.GameObjects.Components.Chemistry;
+using Content.Server.GameObjects.Components.Items.Storage;
+using Content.Server.GameObjects.Components.Nutrition;
+using Content.Server.GameObjects.Components.Utensil;
+using Content.Server.GameObjects.EntitySystems;
+using Content.Server.Utility;
+using Content.Server.GameObjects.Components.Sound;
+using Content.Server.Interfaces.GameObjects.Components.Interaction;
+using Content.Shared.Chemistry;
+using Content.Shared.GameObjects.Components.Utensil;
+using Content.Shared.Interfaces;
+using Robust.Server.GameObjects.EntitySystems;
+using Robust.Shared.Audio;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Interfaces.GameObjects;
+using Robust.Shared.IoC;
+using Robust.Shared.Localization;
+using Robust.Shared.Log;
+using Robust.Shared.Serialization;
+using Robust.Shared.ViewVariables;
+
+namespace Content.Server.GameObjects.Components.Chemistry
+{
+    [RegisterComponent]
+    [ComponentReference(typeof(IAfterInteract))]
+    public class PillComponent : FoodComponent, IUse, IAfterInteract
+    {
+#pragma warning disable 649
+        [Dependency] private readonly IEntitySystemManager _entitySystem;
+#pragma warning restore 649
+        public override string Name => "Pill";
+
+        [ViewVariables]
+        private string _useSound;
+        [ViewVariables]
+        private string _trashPrototype;
+        [ViewVariables]
+        private SolutionComponent _contents;
+        [ViewVariables]
+        private ReagentUnit _transferAmount;
+
+
+        public override void ExposeData(ObjectSerializer serializer)
+        {
+            base.ExposeData(serializer);
+            serializer.DataField(ref _useSound, "useSound", null);
+            serializer.DataField(ref _transferAmount, "transferAmount", ReagentUnit.New(1000));
+            serializer.DataField(ref _trashPrototype, "trash", null);
+        }
+
+        public override void Initialize()
+        {
+            base.Initialize();
+            _contents = Owner.GetComponent<SolutionComponent>();
+            _transferAmount = _contents.CurrentVolume;
+
+        }
+
+        bool IUse.UseEntity(UseEntityEventArgs eventArgs)
+        {
+            return TryUseFood(eventArgs.User, null);
+        }
+
+        // Feeding someone else
+        void IAfterInteract.AfterInteract(AfterInteractEventArgs eventArgs)
+        {
+            if (eventArgs.Target == null)
+            {
+                return;
+            }
+
+            TryUseFood(eventArgs.User, eventArgs.Target);
+        }
+
+        public override bool TryUseFood(IEntity user, IEntity target, UtensilComponent utensilUsed = null)
+        {
+            if (user == null)
+            {
+                return false;
+            }
+
+            var trueTarget = target ?? user;
+
+            if (!trueTarget.TryGetComponent(out StomachComponent stomach))
+            {
+                return false;
+            }
+
+            if (!InteractionChecks.InRangeUnobstructed(user, trueTarget.Transform.MapPosition))
+            {
+                return false;
+            }
+
+            var transferAmount = ReagentUnit.Min(_transferAmount, _contents.CurrentVolume);
+            var split = _contents.SplitSolution(transferAmount);
+            if (!stomach.TryTransferSolution(split))
+            {
+                _contents.TryAddSolution(split);
+                trueTarget.PopupMessage(user, Loc.GetString("You can't eat any more!"));
+                return false;
+            }
+
+            if (_useSound != null)
+            {
+                _entitySystem.GetEntitySystem<AudioSystem>()
+                    .PlayFromEntity(_useSound, trueTarget, AudioParams.Default.WithVolume(-1f));
+            }
+
+            trueTarget.PopupMessage(user, Loc.GetString("You swallow the pill."));
+
+            Owner.Delete();
+            return true;
+        }
+    }
+}