(3340f2f90) Don't do impact damage to structures in Structure.OnWallCollision. Impact damage was disabled when a character hits the sub from the outside (implemented in SubmarineBody), but should've been done here as well.

Barotrauma/BarotraumaShared/Source/Map/Structure.cs

@@ -635,29 +635,14 @@ namespace Barotrauma
                 var character = ((Limb)f2.Body.UserData).character;
                 if (character.DisableImpactDamageTimer > 0.0f || ((Limb)f2.Body.UserData).Mass < 100.0f) return true;
             }
-            
-            if (!Prefab.Platform && Prefab.StairDirection == Direction.None)
-            {
-                Vector2 pos = ConvertUnits.ToDisplayUnits(f2.Body.Position);
-
-                int section = FindSectionIndex(pos);
-                if (section > -1)
-                {
-                    Vector2 normal = contact.Manifold.LocalNormal;
-
-                    float impact = Vector2.Dot(f2.Body.LinearVelocity, -normal) * f2.Body.Mass * 0.1f;
-                    if (impact < 10.0f) return true;
-#if CLIENT
-                    SoundPlayer.PlayDamageSound("StructureBlunt", impact, SectionPosition(section, true), tags: Tags);                    
-#endif
-                    AddDamage(section, impact);                 
-                }
-            }
 
+            OnImpactProjSpecific(f1, f2, contact);
 
             return true;
         }
 
+        partial void OnImpactProjSpecific(Fixture f1, Fixture f2, Contact contact);
+
         public WallSection GetSection(int sectionIndex)
         {
             if (sectionIndex < 0 || sectionIndex >= Sections.Length) return null;