(24cde6cae) Add a static sight range. Considerably increase the hull sight ranges.

Barotrauma/BarotraumaShared/Source/Characters/AI/AITarget.cs

@@ -15,6 +15,11 @@ namespace Barotrauma
             private set;
         }
 
+        /// <summary>
+        /// Use as a minimum or static sight range.
+        /// </summary>
+        public static float StaticSightRange = 3000;
+        
         private float soundRange;
         private float sightRange;
         
@@ -110,9 +115,13 @@ namespace Barotrauma
             SonarLabel = element.GetAttributeString("sonarlabel", "");
         }
 
-        public AITarget(Entity e, float sightRange = 3000, float soundRange = 0)
+        public AITarget(Entity e, float sightRange = -1, float soundRange = 0)
         {
             Entity = e;
+            if (sightRange < 0)
+            {
+                sightRange = StaticSightRange;
+            }
             SightRange = sightRange;
             SoundRange = soundRange;
             List.Add(this);

Barotrauma/BarotraumaShared/Source/Map/Hull.cs

@@ -88,7 +88,6 @@ namespace Barotrauma
                     Gap.UpdateHulls();
                 }
 
-                OxygenPercentage = prevOxygenPercentage;
                 surface = drawSurface = rect.Y - rect.Height + WaterVolume / rect.Width;
                 Pressure = surface;
             }
@@ -420,7 +419,7 @@ namespace Barotrauma
 
             FireSource.UpdateAll(FireSources, deltaTime);
 
-            aiTarget.SightRange = Submarine == null ? 0.0f : Math.Max(Submarine.Velocity.Length() * 500.0f, 500.0f);
+            aiTarget.SightRange = Submarine == null ? 0.0f : Math.Max(Submarine.Velocity.Length() * 2000.0f, AITarget.StaticSightRange);
             aiTarget.SoundRange -= deltaTime * 1000.0f;
          
             if (!update)