Refactor minds to be entities with components, make roles components (#19591)

Co-authored-by: ShadowCommander <10494922+ShadowCommander@users.noreply.github.com>
Co-authored-by: DrSmugleaf <DrSmugleaf@users.noreply.github.com>

Content.Server/Roles/Jobs/JobSystem.cs

@@ -0,0 +1,108 @@
+using System.Diagnostics.CodeAnalysis;
+using System.Globalization;
+using Content.Server.Chat.Managers;
+using Content.Server.Mind;
+using Content.Server.Players;
+using Content.Shared.Roles;
+using Robust.Server.Player;
+using Robust.Shared.Prototypes;
+
+namespace Content.Server.Roles.Jobs;
+
+/// <summary>
+///     Handles the job data on mind entities.
+/// </summary>
+public sealed class JobSystem : EntitySystem
+{
+    [Dependency] private readonly IChatManager _chat = default!;
+    [Dependency] private readonly MindSystem _mind = default!;
+    [Dependency] private readonly RoleSystem _roles = default!;
+    [Dependency] private readonly IPrototypeManager _prototypes = default!;
+
+    public override void Initialize()
+    {
+        SubscribeLocalEvent<JobComponent, RoleAddedEvent>(MindOnDoGreeting);
+    }
+
+    private void MindOnDoGreeting(EntityUid mindId, JobComponent component, RoleAddedEvent args)
+    {
+        if (!_mind.TryGetSession(mindId, out var session))
+            return;
+
+        if (!MindTryGetJob(mindId, out _, out var prototype))
+            return;
+
+        _chat.DispatchServerMessage(session, Loc.GetString("job-greet-introduce-job-name",
+            ("jobName", CultureInfo.CurrentCulture.TextInfo.ToTitleCase(prototype.LocalizedName))));
+
+        if (prototype.RequireAdminNotify)
+            _chat.DispatchServerMessage(session, Loc.GetString("job-greet-important-disconnect-admin-notify"));
+
+        _chat.DispatchServerMessage(session, Loc.GetString("job-greet-supervisors-warning",
+            ("jobName", Name),
+            ("supervisors", Loc.GetString(prototype.Supervisors))));
+    }
+
+    public void MindAddJob(EntityUid mindId, string jobPrototypeId)
+    {
+        if (MindHasJobWithId(mindId, jobPrototypeId))
+            return;
+
+        _roles.MindAddRole(mindId, new JobComponent { PrototypeId = jobPrototypeId });
+    }
+
+    public bool MindHasJobWithId(EntityUid? mindId, string prototypeId)
+    {
+        return CompOrNull<JobComponent>(mindId)?.PrototypeId == prototypeId;
+    }
+
+    public bool MindTryGetJob(
+        [NotNullWhen(true)] EntityUid? mindId,
+        [NotNullWhen(true)] out JobComponent? comp,
+        [NotNullWhen(true)] out JobPrototype? prototype)
+    {
+        comp = null;
+        prototype = null;
+
+        return TryComp(mindId, out comp) &&
+               comp.PrototypeId != null &&
+               _prototypes.TryIndex(comp.PrototypeId, out prototype);
+    }
+
+    /// <summary>
+    ///     Tries to get the job name for this mind.
+    ///     Returns unknown if not found.
+    /// </summary>
+    public bool MindTryGetJobName([NotNullWhen(true)] EntityUid? mindId, out string name)
+    {
+        if (MindTryGetJob(mindId, out _, out var prototype))
+        {
+            name = prototype.LocalizedName;
+            return true;
+        }
+
+        name = Loc.GetString("generic-unknown-title");
+        return false;
+    }
+
+    /// <summary>
+    ///     Tries to get the job name for this mind.
+    ///     Returns unknown if not found.
+    /// </summary>
+    public string MindTryGetJobName([NotNullWhen(true)] EntityUid? mindId)
+    {
+        MindTryGetJobName(mindId, out var name);
+        return name;
+    }
+
+    public bool CanBeAntag(IPlayerSession player)
+    {
+        if (player.ContentData() is not { Mind: { } mindId })
+            return false;
+
+        if (!MindTryGetJob(mindId, out _, out var prototype))
+            return true;
+
+        return prototype.CanBeAntag;
+    }
+}