Further Tests & Progress

Assets/_Project/Scripts/Server/Combat/ProjectileDamageSystem.cs

@@ -40,6 +40,9 @@ namespace ProjectM.Server
         /// <summary>Lookup used to read a target's owner so a projectile never hits its own caster.</summary>
         ComponentLookup<GhostOwner> m_GhostOwnerLookup;
 
+        /// <summary>RW lookup to stamp server-only knockback on a hit Husk (Husks bake KnockbackState; players/dummies don't).</summary>
+        ComponentLookup<KnockbackState> m_KnockbackLookup;
+
         /// <summary>Extra forgiveness added to a target's hit radius to approximate the projectile's own size.</summary>
         const float k_ProjectileRadius = 0.2f;
 
@@ -47,6 +50,7 @@ namespace ProjectM.Server
         public void OnCreate(ref SystemState state)
         {
             m_GhostOwnerLookup = state.GetComponentLookup<GhostOwner>(isReadOnly: true);
+            m_KnockbackLookup = state.GetComponentLookup<KnockbackState>(isReadOnly: false);
 
             // No projectiles → nothing to expire or hit-test; skip the tick (and its allocations) entirely.
             state.RequireForUpdate<Projectile>();
@@ -56,6 +60,8 @@ namespace ProjectM.Server
         public void OnUpdate(ref SystemState state)
         {
             m_GhostOwnerLookup.Update(ref state);
+            m_KnockbackLookup.Update(ref state);
+            bool haveTick = SystemAPI.TryGetSingleton<NetworkTime>(out var nt);
 
             float dt = SystemAPI.Time.DeltaTime;
             var ecb = new EntityCommandBuffer(Allocator.Temp);
@@ -125,6 +131,16 @@ namespace ProjectM.Server
                         Amount = proj.ValueRO.Damage,
                         SourceNetworkId = projOwnerId,
                     });
+                    var hitTarget = targetEntities[bestIdx];
+                    if (haveTick && Tuning.KnockbackSpeed > 0f && m_KnockbackLookup.HasComponent(hitTarget))
+                    {
+                        m_KnockbackLookup[hitTarget] = new KnockbackState
+                        {
+                            Dir = proj.ValueRO.Direction,
+                            Speed = Tuning.KnockbackSpeed,
+                            UntilTick = TickUtil.NonZero(nt.ServerTick.TickIndexForValidTick + (uint)math.max(1, Tuning.KnockbackDurationTicks)),
+                        };
+                    }
                     ecb.DestroyEntity(projectileEntity);
                     continue;
                 }