Re-organize all projects (#4166)

Content.Server/Weapon/Ranged/Ammunition/Components/RangedMagazineComponent.cs

@@ -0,0 +1,174 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Content.Server.Hands.Components;
+using Content.Server.Items;
+using Content.Server.Weapon.Ranged.Barrels.Components;
+using Content.Shared.Examine;
+using Content.Shared.Interaction;
+using Content.Shared.Notification;
+using Content.Shared.Weapons.Ranged.Barrels.Components;
+using Robust.Server.GameObjects;
+using Robust.Shared.Containers;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Localization;
+using Robust.Shared.Serialization.Manager.Attributes;
+using Robust.Shared.Utility;
+
+namespace Content.Server.Weapon.Ranged.Ammunition.Components
+{
+    [RegisterComponent]
+    public class RangedMagazineComponent : Component, IMapInit, IInteractUsing, IUse, IExamine
+    {
+        public override string Name => "RangedMagazine";
+
+        private readonly Stack<IEntity> _spawnedAmmo = new();
+        private Container _ammoContainer = default!;
+
+        public int ShotsLeft => _spawnedAmmo.Count + _unspawnedCount;
+        public int Capacity => _capacity;
+        [DataField("capacity")]
+        private int _capacity = 20;
+
+        public MagazineType MagazineType => _magazineType;
+        [DataField("magazineType")]
+        private MagazineType _magazineType = MagazineType.Unspecified;
+        public BallisticCaliber Caliber => _caliber;
+        [DataField("caliber")]
+        private BallisticCaliber _caliber = BallisticCaliber.Unspecified;
+
+        private AppearanceComponent? _appearanceComponent;
+
+        // If there's anything already in the magazine
+        [DataField("fillPrototype")]
+        private string? _fillPrototype;
+
+        // By default the magazine won't spawn the entity until needed so we need to keep track of how many left we can spawn
+        // Generally you probablt don't want to use this
+        private int _unspawnedCount;
+
+        void IMapInit.MapInit()
+        {
+            if (_fillPrototype != null)
+            {
+                _unspawnedCount += Capacity;
+            }
+            UpdateAppearance();
+        }
+
+        public override void Initialize()
+        {
+            base.Initialize();
+            _ammoContainer = ContainerHelpers.EnsureContainer<Container>(Owner, $"{Name}-magazine", out var existing);
+
+            if (existing)
+            {
+                if (_ammoContainer.ContainedEntities.Count > Capacity)
+                {
+                    throw new InvalidOperationException("Initialized capacity of magazine higher than its actual capacity");
+                }
+
+                foreach (var entity in _ammoContainer.ContainedEntities)
+                {
+                    _spawnedAmmo.Push(entity);
+                    _unspawnedCount--;
+                }
+            }
+
+            if (Owner.TryGetComponent(out AppearanceComponent? appearanceComponent))
+            {
+                _appearanceComponent = appearanceComponent;
+            }
+
+            _appearanceComponent?.SetData(MagazineBarrelVisuals.MagLoaded, true);
+        }
+
+        private void UpdateAppearance()
+        {
+            _appearanceComponent?.SetData(AmmoVisuals.AmmoCount, ShotsLeft);
+            _appearanceComponent?.SetData(AmmoVisuals.AmmoMax, Capacity);
+        }
+
+        public bool TryInsertAmmo(IEntity user, IEntity ammo)
+        {
+            if (!ammo.TryGetComponent(out AmmoComponent? ammoComponent))
+            {
+                return false;
+            }
+
+            if (ammoComponent.Caliber != _caliber)
+            {
+                Owner.PopupMessage(user, Loc.GetString("Wrong caliber"));
+                return false;
+            }
+
+            if (ShotsLeft >= Capacity)
+            {
+                Owner.PopupMessage(user, Loc.GetString("Magazine is full"));
+                return false;
+            }
+
+            _ammoContainer.Insert(ammo);
+            _spawnedAmmo.Push(ammo);
+            UpdateAppearance();
+            return true;
+        }
+
+        public IEntity? TakeAmmo()
+        {
+            IEntity? ammo = null;
+            // If anything's spawned use that first, otherwise use the fill prototype as a fallback (if we have spawn count left)
+            if (_spawnedAmmo.TryPop(out var entity))
+            {
+                ammo = entity;
+                _ammoContainer.Remove(entity);
+            }
+            else if (_unspawnedCount > 0)
+            {
+                _unspawnedCount--;
+                ammo = Owner.EntityManager.SpawnEntity(_fillPrototype, Owner.Transform.Coordinates);
+            }
+
+            UpdateAppearance();
+            return ammo;
+        }
+
+        async Task<bool> IInteractUsing.InteractUsing(InteractUsingEventArgs eventArgs)
+        {
+            return TryInsertAmmo(eventArgs.User, eventArgs.Using);
+        }
+
+        bool IUse.UseEntity(UseEntityEventArgs eventArgs)
+        {
+            if (!eventArgs.User.TryGetComponent(out HandsComponent? handsComponent))
+            {
+                return false;
+            }
+
+            var ammo = TakeAmmo();
+            if (ammo == null)
+            {
+                return false;
+            }
+
+            var itemComponent = ammo.GetComponent<ItemComponent>();
+            if (!handsComponent.CanPutInHand(itemComponent))
+            {
+                ammo.Transform.Coordinates = eventArgs.User.Transform.Coordinates;
+                ServerRangedBarrelComponent.EjectCasing(ammo);
+            }
+            else
+            {
+                handsComponent.PutInHand(itemComponent);
+            }
+
+            return true;
+        }
+
+        public void Examine(FormattedMessage message, bool inDetailsRange)
+        {
+            var text = Loc.GetString("It's a [color=white]{0}[/color] magazine of [color=white]{1}[/color] caliber.", MagazineType, Caliber);
+            message.AddMarkup(text);
+        }
+    }
+}