Objectives ecs rework (#19967)

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

Content.Server/Objectives/Systems/SpiderChargeTargetRequirementSystem.cs

@@ -0,0 +1,24 @@
+using Content.Server.Objectives.Components;
+using Content.Server.Roles;
+using Content.Shared.Objectives.Components;
+
+namespace Content.Server.Objectives.Systems;
+
+public sealed class SpiderChargeTargetRequirementSystem : EntitySystem
+{
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<SpiderChargeTargetRequirementComponent, RequirementCheckEvent>(OnCheck);
+    }
+
+    private void OnCheck(EntityUid uid, SpiderChargeTargetRequirementComponent comp, ref RequirementCheckEvent args)
+    {
+        if (args.Cancelled)
+            return;
+
+        if (!TryComp<NinjaRoleComponent>(args.MindId, out var role) || role.SpiderChargeTarget == null)
+            args.Cancelled = true;
+    }
+}