From 862675e71b1663f329178a3338fdf151cfc63d97 Mon Sep 17 00:00:00 2001
From: Princess Cheeseballs
 <66055347+Princess-Cheeseballs@users.noreply.github.com>
Date: Sat, 3 Jan 2026 11:33:28 -0800
Subject: [PATCH] [STAGING] Fix Disabler SMG bolts going through walls (#42195)

* RAH RAH RASPUTIN LOVER OF THE RUSSIAN QUEEN!

* delete if we do 0 damage

* actually change that

* dont get soaped into cleaning things up challenge impossible

---------

Co-authored-by: Princess Cheeseballs <66055347+Pronana@users.noreply.github.com>
---
 .../Projectiles/ProjectileSystem.cs           | 96 ++++++++++---------
 1 file changed, 51 insertions(+), 45 deletions(-)

diff --git a/Content.Server/Projectiles/ProjectileSystem.cs b/Content.Server/Projectiles/ProjectileSystem.cs
index cc4eda4307..87fc13b563 100644
--- a/Content.Server/Projectiles/ProjectileSystem.cs
+++ b/Content.Server/Projectiles/ProjectileSystem.cs
@@ -4,6 +4,7 @@ using Content.Server.Destructible;
 using Content.Server.Effects;
 using Content.Server.Weapons.Ranged.Systems;
 using Content.Shared.Camera;
+using Content.Shared.Damage;
 using Content.Shared.Damage.Components;
 using Content.Shared.Damage.Systems;
 using Content.Shared.Database;
@@ -69,51 +70,11 @@ public sealed class ProjectileSystem : SharedProjectileSystem
                 LogImpact.Medium,
                 $"Projectile {ToPrettyString(uid):projectile} shot by {ToPrettyString(component.Shooter!.Value):user} hit {otherName:target} and dealt {damage:damage} damage");
 
-            // If penetration is to be considered, we need to do some checks to see if the projectile should stop.
-            if (component.PenetrationThreshold != 0)
-            {
-                // If a damage type is required, stop the bullet if the hit entity doesn't have that type.
-                if (component.PenetrationDamageTypeRequirement != null)
-                {
-                    var stopPenetration = false;
-                    foreach (var requiredDamageType in component.PenetrationDamageTypeRequirement)
-                    {
-                        if (!damage.DamageDict.Keys.Contains(requiredDamageType))
-                        {
-                            stopPenetration = true;
-                            break;
-                        }
-                    }
-                    if (stopPenetration)
-                        component.ProjectileSpent = true;
-                }
-
-                var pierceEv = new ProjectilePierceEvent(target, damageRequired); // DeltaV - Addition of the NT-3
-                RaiseLocalEvent(uid, ref pierceEv);
-
-                // If the object won't be destroyed, it "tanks" the penetration hit.
-                if (damage.GetTotal() < damageRequired)
-                {
-                    component.ProjectileSpent = true;
-                }
-
-                if (!component.ProjectileSpent)
-                {
-                    component.PenetrationAmount += damageRequired;
-                    // The projectile has dealt enough damage to be spent.
-                    if (component.PenetrationAmount >= component.PenetrationThreshold)
-                    {
-                        component.ProjectileSpent = true;
-                    }
-                }
-
-                if (component.ProjectileSpent && pierceEv.Pierced) // DeltaV - Addition of the NT-3
-                    component.ProjectileSpent = false;
-            }
-            else
-            {
-                component.ProjectileSpent = true;
-            }
+            component.ProjectileSpent = !TryPenetrate((uid, component), damage, damageRequired, target); // DeltaV - Addition of the NT-3
+        }
+        else
+        {
+            component.ProjectileSpent = true;
         }
 
         if (!deleted)
@@ -132,4 +93,49 @@ public sealed class ProjectileSystem : SharedProjectileSystem
             RaiseNetworkEvent(new ImpactEffectEvent(component.ImpactEffect, GetNetCoordinates(xform.Coordinates)), Filter.Pvs(xform.Coordinates, entityMan: EntityManager));
         }
     }
+
+    private bool TryPenetrate(Entity<ProjectileComponent> projectile, DamageSpecifier damage, FixedPoint2 damageRequired, EntityUid target) // DeltaV - Addition of the NT-3
+    {
+        // If penetration is to be considered, we need to do some checks to see if the projectile should stop.
+        if (projectile.Comp.PenetrationThreshold == 0)
+            return false;
+
+        // If a damage type is required, stop the bullet if the hit entity doesn't have that type.
+        if (projectile.Comp.PenetrationDamageTypeRequirement != null)
+        {
+            foreach (var requiredDamageType in projectile.Comp.PenetrationDamageTypeRequirement)
+            {
+                if (damage.DamageDict.Keys.Contains(requiredDamageType))
+                    continue;
+
+                return false;
+            }
+        }
+
+        var pierceEv = new ProjectilePierceEvent(target, damageRequired); // DeltaV - Addition of the NT-3
+        RaiseLocalEvent(projectile, ref pierceEv);
+
+        // If the object won't be destroyed, it "tanks" the penetration hit.
+        if (damage.GetTotal() < damageRequired)
+        {
+            return false;
+        }
+
+        if (!projectile.Comp.ProjectileSpent)
+        {
+            projectile.Comp.PenetrationAmount += damageRequired;
+            // The projectile has dealt enough damage to be spent.
+            if (projectile.Comp.PenetrationAmount >= projectile.Comp.PenetrationThreshold)
+            {
+                return false;
+            }
+
+            if (projectile.Comp.ProjectileSpent && pierceEv.Pierced) // DeltaV - Addition of the NT-3
+            {
+                return true;
+            }
+        }
+
+        return true;
+    }
 }