From 93a3a55fb1a9f9a1a05a0bcd8ac4456795197777 Mon Sep 17 00:00:00 2001
From: Regalis <regalis@undertowgames.com>
Date: Thu, 8 Sep 2016 21:23:44 +0300
Subject: [PATCH] Oxygen isn't distributed through gaps that are underwater (->
 air pockets)

---
 Subsurface/Source/Map/Gap.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Subsurface/Source/Map/Gap.cs b/Subsurface/Source/Map/Gap.cs
index 1c082452f..b976b4ebd 100644
--- a/Subsurface/Source/Map/Gap.cs
+++ b/Subsurface/Source/Map/Gap.cs
@@ -597,6 +597,11 @@ namespace Barotrauma
             Hull hull1 = (Hull)linkedTo[0];
             Hull hull2 = (Hull)linkedTo[1];
 
+            if (isHorizontal)
+            {
+                if (Math.Max(hull1.Surface + hull1.WaveY[hull1.WaveY.Length - 1], hull2.Surface + hull2.WaveY[0]) > rect.Y) return;
+            }
+
             float totalOxygen = hull1.Oxygen + hull2.Oxygen;
             float totalVolume = (hull1.FullVolume + hull2.FullVolume);