Objectives ecs rework (#19967)

Co-authored-by: deltanedas <@deltanedas:kde.org>

Content.Server/Objectives/Systems/SurviveConditionSystem.cs

@@ -0,0 +1,25 @@
+using Content.Server.Objectives.Components;
+using Content.Shared.Objectives.Components;
+using Content.Shared.Mind;
+
+namespace Content.Server.Objectives.Systems;
+
+/// <summary>
+/// Handles progress for the survive objective condition.
+/// </summary>
+public sealed class SurviveConditionSystem : EntitySystem
+{
+    [Dependency] private readonly SharedMindSystem _mind = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<SurviveConditionComponent, ObjectiveGetProgressEvent>(OnGetProgress);
+    }
+
+    private void OnGetProgress(EntityUid uid, SurviveConditionComponent comp, ref ObjectiveGetProgressEvent args)
+    {
+        args.Progress = _mind.IsCharacterDeadIc(args.Mind) ? 0f : 1f;
+    }
+}