- add: Rubber bullet stamina damage resist.

Content.Shared/_White/StaminaProtection/StaminaProtectionSystem.cs

@@ -0,0 +1,32 @@
+using Content.Shared.Armor;
+using Content.Shared.Inventory;
+
+namespace Content.Shared._White.StaminaProtection;
+
+public sealed class StaminaProtectionSystem : EntitySystem
+{
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<ArmorComponent, InventoryRelayedEvent<StaminaDamageModifyEvent>>(OnDamageModify);
+    }
+
+    private void OnDamageModify(Entity<ArmorComponent> ent, ref InventoryRelayedEvent<StaminaDamageModifyEvent> args)
+    {
+        var modifiers = ent.Comp.Modifiers;
+
+        if (modifiers.FlatReduction.TryGetValue("Blunt", out var flat))
+            args.Args.Damage = MathF.Max(0f, args.Args.Damage - flat);
+
+        if (modifiers.Coefficients.TryGetValue("Blunt", out var coefficient))
+            args.Args.Damage *= coefficient;
+    }
+}
+
+public sealed class StaminaDamageModifyEvent : EntityEventArgs, IInventoryRelayEvent
+{
+    public SlotFlags TargetSlots => ~SlotFlags.POCKET;
+
+    public float Damage;
+}