Landing velocity threshold (#4606)

* landing threshold

* on bodystatus change

Co-authored-by: metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>

Content.Server/Throwing/ThrowHelper.cs

@@ -52,9 +52,10 @@ namespace Content.Server.Throwing
                 return;
             }
 
+            var comp = entity.EnsureComponent<ThrownItemComponent>();
             if (entity.HasComponent<ItemComponent>())
             {
-                entity.EnsureComponent<ThrownItemComponent>().Thrower = user;
+                comp.Thrower = user;
                 // Give it a l'il spin.
                 if (!entity.HasTag("NoSpinOnThrow"))
                 {
@@ -71,7 +72,7 @@ namespace Content.Server.Throwing
 
             var impulseVector = direction.Normalized * strength * physicsComponent.Mass;
             physicsComponent.ApplyLinearImpulse(impulseVector);
-            
+
             // Estimate time to arrival so we can apply OnGround status and slow it much faster.
             var time = (direction / strength).Length;
 
@@ -87,6 +88,7 @@ namespace Content.Server.Throwing
                 {
                     if (physicsComponent.Deleted) return;
                     physicsComponent.BodyStatus = BodyStatus.OnGround;
+                    EntitySystem.Get<ThrownItemSystem>().LandComponent(comp);
                 });
             }
 

Content.Shared/CCVar/CCVars.cs

@@ -11,6 +11,12 @@ namespace Content.Shared.CCVar
          * Ambience
          */
 
+        /// <summary>
+        ///     Whether the basic 'hum' ambience will be enabled.
+        /// </summary>
+        public static readonly CVarDef<bool> AmbienceBasicEnabled =
+            CVarDef.Create("ambience.basic_enabled", true, CVar.ARCHIVE | CVar.CLIENTONLY);
+
         /// <summary>
         /// How long we'll wait until re-sampling nearby objects for ambience.
         /// </summary>
@@ -225,13 +231,6 @@ namespace Content.Shared.CCVar
         public static readonly CVarDef<bool> MobPushing =
             CVarDef.Create("physics.mob_pushing", true, CVar.REPLICATED);
 
-        /*
-         * Ambience
-         */
-
-        public static readonly CVarDef<bool> AmbienceBasicEnabled =
-            CVarDef.Create("ambience.basicenabled", true, CVar.ARCHIVE | CVar.CLIENTONLY);
-
         /*
          * Lobby music
          */

Content.Shared/Throwing/ThrownItemSystem.cs

@@ -1,9 +1,11 @@
 using System.Collections.Generic;
 using System.Linq;
+using Content.Shared.CCVar;
 using Content.Shared.Collections;
 using Content.Shared.Hands.Components;
 using Content.Shared.Physics;
 using Content.Shared.Physics.Pull;
+using Robust.Shared.Configuration;
 using Robust.Shared.Containers;
 using Robust.Shared.GameObjects;
 using Robust.Shared.IoC;
@@ -19,6 +21,7 @@ namespace Content.Shared.Throwing
     /// </summary>
     public class ThrownItemSystem : EntitySystem
     {
+        [Dependency] private readonly IConfigurationManager _cfg = default!;
         [Dependency] private readonly SharedBroadphaseSystem _broadphaseSystem = default!;
 
         private const string ThrowingFixture = "throw-fixture";
@@ -33,27 +36,6 @@ namespace Content.Shared.Throwing
             SubscribeLocalEvent<PullStartedMessage>(HandlePullStarted);
         }
 
-        public override void Update(float frameTime)
-        {
-            base.Update(frameTime);
-
-            var toRemove = new RemQueue<ThrownItemComponent>();
-
-            // We can't just use sleeping unfortunately because there's a delay of the sleep timer. ThrownItemComponent
-            // is transient while the entity is thrown so this shouldn't be too bad.
-            foreach (var (thrown, physics) in ComponentManager.EntityQuery<ThrownItemComponent, PhysicsComponent>())
-            {
-                if (!physics.LinearVelocity.Equals(Vector2.Zero)) continue;
-                toRemove.Add(thrown);
-            }
-
-            foreach (var comp in toRemove)
-            {
-                if (comp.Deleted) continue;
-                LandComponent(comp);
-            }
-        }
-
         private void ThrowItem(EntityUid uid, ThrownItemComponent component, ThrownEvent args)
         {
             if (!component.Owner.TryGetComponent(out PhysicsComponent? physicsComponent) ||
@@ -98,7 +80,7 @@ namespace Content.Shared.Throwing
                 LandComponent(thrownItem);
         }
 
-        private void LandComponent(ThrownItemComponent thrownItem)
+        public void LandComponent(ThrownItemComponent thrownItem)
         {
             if (thrownItem.Owner.Deleted) return;
 
@@ -125,7 +107,8 @@ namespace Content.Shared.Throwing
             var coordinates = landing.Transform.Coordinates;
 
             var landMsg = new LandEvent(user, landing, coordinates);
-            RaiseLocalEvent(landing.Uid, landMsg);
+            RaiseLocalEvent(landing.Uid, landMsg, false);
+
             ComponentManager.RemoveComponent(landing.Uid, thrownItem);
         }