Explosion resistance is now predicted! (#30654)

* First commit

* Added Network and access

Content.Shared/Explosion/EntitySystems/SharedExplosionSystem.cs

@@ -0,0 +1,25 @@
+using Content.Shared.Explosion.Components;
+using Content.Shared.Armor;
+
+namespace Content.Shared.Explosion.EntitySystems;
+
+public abstract class SharedExplosionSystem : EntitySystem
+{
+
+    public override void Initialize()
+    {
+        base.Initialize();
+        SubscribeLocalEvent<ExplosionResistanceComponent, ArmorExamineEvent>(OnArmorExamine);
+    }
+
+    private void OnArmorExamine(EntityUid uid, ExplosionResistanceComponent component, ref ArmorExamineEvent args)
+    {
+        var value = MathF.Round((1f - component.DamageCoefficient) * 100, 1);
+
+        if (value == 0)
+            return;
+
+        args.Msg.PushNewline();
+        args.Msg.AddMarkupOrThrow(Loc.GetString(component.Examine, ("value", value)));
+    }
+}