Revolutionaries (#18477)

Co-authored-by: coolmankid12345 <coolmankid12345@users.noreply.github.com>
Co-authored-by: EmoGarbage404 <retron404@gmail.com>

Content.Server/Mindshield/MindShieldSystem.cs

@@ -0,0 +1,63 @@
+using Content.Shared.Mindshield.Components;
+using Content.Shared.Revolutionary.Components;
+using Content.Server.Popups;
+using Content.Shared.Database;
+using Content.Server.Administration.Logs;
+using Content.Server.Mind;
+using Content.Shared.Implants;
+using Content.Shared.Tag;
+using Content.Server.Roles;
+using Content.Shared.Implants.Components;
+
+namespace Content.Server.Mindshield;
+
+/// <summary>
+/// System used for checking if the implanted is a Rev or Head Rev.
+/// </summary>
+public sealed class MindShieldSystem : EntitySystem
+{
+    [Dependency] private readonly IAdminLogManager _adminLogManager = default!;
+    [Dependency] private readonly RoleSystem _roleSystem = default!;
+    [Dependency] private readonly MindSystem _mindSystem = default!;
+    [Dependency] private readonly TagSystem _tag = default!;
+    [Dependency] private readonly PopupSystem _popupSystem = default!;
+
+    [ValidatePrototypeId<TagPrototype>]
+    public const string MindShieldTag = "MindShield";
+
+    public override void Initialize()
+    {
+        base.Initialize();
+        SubscribeLocalEvent<SubdermalImplantComponent, ImplantImplantedEvent>(ImplantCheck);
+    }
+
+    /// <summary>
+    /// Checks if the implant was a mindshield or not
+    /// </summary>
+    public void ImplantCheck(EntityUid uid, SubdermalImplantComponent comp, ref ImplantImplantedEvent ev)
+    {
+        if (_tag.HasTag(ev.Implant, MindShieldTag) && ev.Implanted != null)
+        {
+            EnsureComp<MindShieldComponent>(ev.Implanted.Value);
+            MindShieldRemovalCheck(ev.Implanted, ev.Implant);
+        }
+    }
+
+    /// <summary>
+    /// Checks if the implanted person was a Rev or Head Rev and remove role or destroy mindshield respectively.
+    /// </summary>
+    public void MindShieldRemovalCheck(EntityUid? implanted, EntityUid implant)
+    {
+        if (HasComp<RevolutionaryComponent>(implanted) && !HasComp<HeadRevolutionaryComponent>(implanted))
+        {
+            _mindSystem.TryGetMind(implanted.Value, out var mindId, out _);
+            _adminLogManager.Add(LogType.Mind, LogImpact.Medium, $"{ToPrettyString(implanted.Value)} was deconverted due to being implanted with a Mindshield.");
+            _roleSystem.MindTryRemoveRole<RevolutionaryRoleComponent>(mindId);
+        }
+        else if (HasComp<RevolutionaryComponent>(implanted))
+        {
+            _popupSystem.PopupEntity(Loc.GetString("head-rev-break-mindshield"), implanted.Value);
+            QueueDel(implant);
+        }
+    }
+}