Makes snap pop explosions unable to throw away items

Content.Server/Explosion/EntitySystems/ExplosionSystem.Processing.cs

@@ -664,6 +664,11 @@ struct ExplosionData
     /// </summary>
     private readonly bool _canCreateVacuum;
 
+    /// <summary>
+    ///     Whether this explosion can throw away items.
+    /// </summary>
+    private readonly bool _canThrowItems;
+
     private readonly IEntityManager _entMan;
     private readonly ExplosionSystem _system;
 
@@ -685,6 +690,7 @@ public Explosion(ExplosionSystem system,
         float tileBreakScale,
         int maxTileBreak,
         bool canCreateVacuum,
+        bool canThrowItems,
         IEntityManager entMan,
         IMapManager mapMan,
         EntityUid visualEnt,
@@ -701,6 +707,7 @@ public Explosion(ExplosionSystem system,
         _tileBreakScale = tileBreakScale;
         _maxTileBreak = maxTileBreak;
         _canCreateVacuum = canCreateVacuum;
+        _canThrowItems = canThrowItems;
         _entMan = entMan;
 
         _xformQuery = entMan.GetEntityQuery<TransformComponent>();
@@ -760,7 +767,7 @@ private bool TryGetNextTileEnumerator()
             _currentDamage = ExplosionType.DamagePerIntensity * _currentIntensity;
 
             // only throw if either the explosion is small, or if this is the outer ring of a large explosion.
-            var doThrow = Area < _system.ThrowLimit || CurrentIteration > _tileSetIntensity.Count - 6;
+            var doThrow = _canThrowItems && (Area < _system.ThrowLimit || CurrentIteration > _tileSetIntensity.Count - 6);
             _currentThrowForce = doThrow ? 10 * MathF.Sqrt(_currentIntensity) : 0;
 
             // for each grid/space tile set
@@ -916,5 +923,6 @@ public sealed class QueuedExplosion
     public float TotalIntensity, Slope, MaxTileIntensity, TileBreakScale;
     public int MaxTileBreak;
     public bool CanCreateVacuum;
+    public bool CanThrowItems;
     public EntityUid? Cause; // The entity that exploded, for logging purposes.
 }

Content.Server/Explosion/EntitySystems/ExplosionSystem.cs

@@ -168,6 +168,7 @@ public override void TriggerExplosive(EntityUid uid, ExplosiveComponent? explosi
             explosive.TileBreakScale,
             explosive.MaxTileBreak,
             explosive.CanCreateVacuum,
+            explosive.CanThrowItems,
             user);
 
         if (explosive.DeleteAfterExplosion ?? delete)
@@ -237,6 +238,7 @@ public void QueueExplosion(EntityUid uid,
         float tileBreakScale = 1f,
         int maxTileBreak = int.MaxValue,
         bool canCreateVacuum = true,
+        bool canThrowItems = true,
         EntityUid? user = null,
         bool addLog = true)
     {
@@ -246,7 +248,7 @@ public void QueueExplosion(EntityUid uid,
 
         var posFound = _transformSystem.TryGetMapOrGridCoordinates(uid, out var gridPos, pos);
 
-        QueueExplosion(mapPos, typeId, totalIntensity, slope, maxTileIntensity, uid, tileBreakScale, maxTileBreak, canCreateVacuum, addLog: false);
+        QueueExplosion(mapPos, typeId, totalIntensity, slope, maxTileIntensity, uid, tileBreakScale, maxTileBreak, canCreateVacuum, canThrowItems, addLog: false);
 
         if (!addLog)
             return;
@@ -278,6 +280,7 @@ public void QueueExplosion(MapCoordinates epicenter,
         float tileBreakScale = 1f,
         int maxTileBreak = int.MaxValue,
         bool canCreateVacuum = true,
+        bool canThrowItems = true,
         bool addLog = true)
     {
         if (totalIntensity <= 0 || slope <= 0)
@@ -319,6 +322,7 @@ public void QueueExplosion(MapCoordinates epicenter,
             TileBreakScale = tileBreakScale,
             MaxTileBreak = maxTileBreak,
             CanCreateVacuum = canCreateVacuum,
+            CanThrowItems = canThrowItems,
             Cause = cause
         };
         _explosionQueue.Enqueue(boom);
@@ -386,6 +390,7 @@ public void QueueExplosion(MapCoordinates epicenter,
             queued.TileBreakScale,
             queued.MaxTileBreak,
             queued.CanCreateVacuum,
+            queued.CanThrowItems,
             EntityManager,
             _mapManager,
             visualEnt,

Content.Shared/Explosion/Components/ExplosiveComponent.cs

@@ -65,6 +65,13 @@ public sealed partial class ExplosiveComponent : Component
     [DataField]
     public bool CanCreateVacuum = true;
 
+    /// <summary>
+    ///     Whether this explosive can throw away items.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadWrite)]
+    [DataField("canThrowItems")]
+    public bool CanThrowItems = true;
+
     /// <summary>
     /// An override for whether or not the entity should be deleted after it explodes.
     /// If null, the system calling the explode method handles it.

Resources/Prototypes/Entities/Objects/Fun/snap_pops.yml

@@ -33,6 +33,7 @@
     maxIntensity: 0.01
     intensitySlope: 1
     totalIntensity: 0.01
+    canThrowItems: false
 
 - type: entity
   parent: BaseStorageItem