Prevent pacified players from throwing dangerous stuff (#22268)

Content.Server/Damage/Systems/DamageOnLandSystem.cs

@@ -1,4 +1,5 @@
 using Content.Server.Damage.Components;
+using Content.Shared.CombatMode.Pacification;
 using Content.Shared.Damage;
 using Content.Shared.Throwing;
 
@@ -12,6 +13,19 @@ namespace Content.Server.Damage.Systems
         {
             base.Initialize();
             SubscribeLocalEvent<DamageOnLandComponent, LandEvent>(DamageOnLand);
+            SubscribeLocalEvent<DamageOnLandComponent, AttemptPacifiedThrowEvent>(OnAttemptPacifiedThrow);
+        }
+
+        /// <summary>
+        /// Prevent Pacified entities from throwing damaging items.
+        /// </summary>
+        private void OnAttemptPacifiedThrow(Entity<DamageOnLandComponent> ent, ref AttemptPacifiedThrowEvent args)
+        {
+            // Allow healing projectiles, forbid any that do damage:
+            if (ent.Comp.Damage.Any())
+            {
+                args.Cancel("pacified-cannot-throw");
+            }
         }
 
         private void DamageOnLand(EntityUid uid, DamageOnLandComponent component, ref LandEvent args)