From af863789951b5fc05ed09267f2087fc5920f51fa Mon Sep 17 00:00:00 2001
From: Vera Aguilera Puerto <6766154+Zumorica@users.noreply.github.com>
Date: Tue, 23 Nov 2021 12:22:18 +0100
Subject: [PATCH] Log explosive depressurization. (#5474)

---
 .../AtmosphereSystem.Monstermos.cs             | 18 ++++++++++++++----
 .../Atmos/EntitySystems/AtmosphereSystem.cs    |  2 ++
 Content.Shared/Administration/Logs/LogType.cs  |  1 +
 3 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/Content.Server/Atmos/EntitySystems/AtmosphereSystem.Monstermos.cs b/Content.Server/Atmos/EntitySystems/AtmosphereSystem.Monstermos.cs
index a34d7b9ec1..0b3d85a40a 100644
--- a/Content.Server/Atmos/EntitySystems/AtmosphereSystem.Monstermos.cs
+++ b/Content.Server/Atmos/EntitySystems/AtmosphereSystem.Monstermos.cs
@@ -2,6 +2,7 @@ using System;
 using System.Collections.Generic;
 using Content.Server.Atmos.Components;
 using Content.Server.Doors.Components;
+using Content.Shared.Administration.Logs;
 using Content.Shared.Atmos;
 using Robust.Shared.GameObjects;
 using Robust.Shared.IoC;
@@ -16,6 +17,11 @@ namespace Content.Server.Atmos.EntitySystems
     {
         [Dependency] private readonly IRobustRandom _robustRandom = default!;
 
+        /// <summary>
+        ///     Threshold for logging explosive depressurization.
+        /// </summary>
+        private const float DepressurizationLogThreshold = Atmospherics.MolesCellStandard * 10;
+
         private readonly TileAtmosphereComparer _monstermosComparer = new();
 
         private readonly TileAtmosphere?[] _equalizeTiles = new TileAtmosphere[Atmospherics.MonstermosHardTileLimit];
@@ -360,7 +366,7 @@ namespace Content.Server.Atmos.EntitySystems
 
             const int limit = Atmospherics.MonstermosHardTileLimit;
 
-            var totalGasesRemoved = 0f;
+            var totalMolesRemoved = 0f;
             var queueCycle = ++gridAtmosphere.EqualizationQueueCycleControl;
 
             var tileCount = 0;
@@ -447,7 +453,7 @@ namespace Content.Server.Atmos.EntitySystems
                 var otherTile2 = otherTile.AdjacentTiles[otherTile.MonstermosInfo.CurrentTransferDirection.ToIndex()];
                 if (otherTile2?.Air == null) continue;
                 var sum = otherTile2.Air.TotalMoles;
-                totalGasesRemoved += sum;
+                totalMolesRemoved += sum;
                 otherTile.MonstermosInfo.CurrentTransferAmount += sum;
                 otherTile2.MonstermosInfo.CurrentTransferAmount += otherTile.MonstermosInfo.CurrentTransferAmount;
                 otherTile.PressureDifference = otherTile.MonstermosInfo.CurrentTransferAmount;
@@ -471,10 +477,14 @@ namespace Content.Server.Atmos.EntitySystems
                 var gridPhysics = EntityManager.GetComponent<PhysicsComponent>(mapGrid.GridEntityId);
 
                 // TODO ATMOS: Come up with better values for these.
-                gridPhysics.ApplyLinearImpulse(direction * totalGasesRemoved * gridPhysics.Mass);
-                gridPhysics.ApplyAngularImpulse(Vector2.Cross(tile.GridIndices - gridPhysics.LocalCenter, direction) * totalGasesRemoved);
+                gridPhysics.ApplyLinearImpulse(direction * totalMolesRemoved * gridPhysics.Mass);
+                gridPhysics.ApplyAngularImpulse(Vector2.Cross(tile.GridIndices - gridPhysics.LocalCenter, direction) * totalMolesRemoved);
             }
 
+            if(totalMolesRemoved > DepressurizationLogThreshold)
+                _adminLog.Add(LogType.ExplosiveDepressurization, LogImpact.High,
+                    $"Explosive depressurization removed {totalMolesRemoved} moles from {tileCount} tiles starting from position {tile.GridIndices:position} on grid ID {tile.GridIndex:grid}");
+
             Array.Clear(_depressurizeTiles, 0, Atmospherics.MonstermosHardTileLimit);
             Array.Clear(_depressurizeSpaceTiles, 0, Atmospherics.MonstermosHardTileLimit);
             Array.Clear(_depressurizeProgressionOrder, 0, Atmospherics.MonstermosHardTileLimit * 2);
diff --git a/Content.Server/Atmos/EntitySystems/AtmosphereSystem.cs b/Content.Server/Atmos/EntitySystems/AtmosphereSystem.cs
index 1a467ddacb..b977d883e8 100644
--- a/Content.Server/Atmos/EntitySystems/AtmosphereSystem.cs
+++ b/Content.Server/Atmos/EntitySystems/AtmosphereSystem.cs
@@ -1,3 +1,4 @@
+using Content.Server.Administration.Logs;
 using Content.Server.Atmos.Components;
 using Content.Server.NodeContainer.EntitySystems;
 using Content.Server.Temperature.Components;
@@ -18,6 +19,7 @@ namespace Content.Server.Atmos.EntitySystems
     public partial class AtmosphereSystem : SharedAtmosphereSystem
     {
         [Dependency] private readonly IMapManager _mapManager = default!;
+        [Dependency] private readonly AdminLogSystem _adminLog = default!;
 
         private const float ExposedUpdateDelay = 1f;
         private float _exposedTimer = 0f;
diff --git a/Content.Shared/Administration/Logs/LogType.cs b/Content.Shared/Administration/Logs/LogType.cs
index 0da00c4213..9e301166d8 100644
--- a/Content.Shared/Administration/Logs/LogType.cs
+++ b/Content.Shared/Administration/Logs/LogType.cs
@@ -15,6 +15,7 @@ public enum LogType
     Verb = 19,
     ShuttleCalled = 8,
     ShuttleRecalled = 9,
+    ExplosiveDepressurization = 10,
     ChemicalReaction = 17,
     ReagentEffect = 18,
 }