Add heat conduction (#1653)

Content.Shared/Atmos/Atmospherics.cs

@@ -63,6 +63,11 @@ namespace Content.Shared.Atmos
         /// </summary>
         public const float MolesCellStandard = (OneAtmosphere * CellVolume / (T20C * R));
 
+        /// <summary>
+        ///     Compared against for superconduction.
+        /// </summary>
+        public const float MCellWithRatio = (MolesCellStandard * 0.005f);
+
         public const float OxygenStandard = 0.21f;
         public const float NitrogenStandard = 0.79f;
 
@@ -83,6 +88,11 @@ namespace Content.Shared.Atmos
 
         public const float OpenHeatTransferCoefficient = 0.4f;
 
+        /// <summary>
+        ///     Hack to make vacuums cold, sacrificing realism for gameplay.
+        /// </summary>
+        public const float HeatCapacityVacuum = 7000f;
+
         /// <summary>
         ///     Ratio of air that must move to/from a tile to reset group processing
         /// </summary>
@@ -116,6 +126,7 @@ namespace Content.Shared.Atmos
         ///     Minimum temperature for starting superconduction.
         /// </summary>
         public const float MinimumTemperatureStartSuperConduction = (T20C + 200f);
+        public const float MinimumTemperatureForSuperconduction = (T20C + 10f);
 
         /// <summary>
         ///     Minimum heat capacity.
@@ -214,6 +225,8 @@ namespace Content.Shared.Atmos
         ///     so it just applies this flat value).
         /// </summary>
         public const int LowPressureDamage = 4;
+
+        public const float WindowHeatTransferCoefficient = 0.1f;
     }
 
     /// <summary>