Fix power warnings & sort errors.

Content.Server/GameObjects/Components/Power/PowerDevice.cs

@@ -98,15 +98,16 @@ namespace Content.Server.GameObjects.Components.Power
                     _provider.RemoveDevice(this);
                 }
 
+                _provider = value;
                 if (value != null)
                 {
-                    _provider = value;
                     _provider.AddDevice(this);
                 }
                 else
                 {
                     Connected = DrawTypes.None;
                 }
+
             }
         }
 
@@ -133,7 +134,7 @@ namespace Content.Server.GameObjects.Components.Power
         {
             if (Owner.TryGetComponent(out PowerNodeComponent node))
             {
-                if (node.Parent != null)
+                if (node.Parent != null && node.Parent.HasDevice(this))
                 {
                     node.Parent.RemoveDevice(this);
                 }
@@ -145,7 +146,7 @@ namespace Content.Server.GameObjects.Components.Power
 
             if (Provider != null)
             {
-                Provider.RemoveDevice(this);
+                Provider = null;
             }
 
             base.Shutdown();
@@ -228,7 +229,7 @@ namespace Content.Server.GameObjects.Components.Power
         private void ConnectToBestProvider()
         {
             //Any values we can connect to or are we already connected to a node, cancel!
-            if (!AvailableProviders.Any() || Connected == DrawTypes.Node)
+            if (!AvailableProviders.Any() || Connected == DrawTypes.Node || Deleted)
                 return;
 
             //Get the starting value for our loop

Content.Server/GameObjects/Components/Power/PowerProviderComponent.cs

@@ -173,7 +173,7 @@ namespace Content.Server.GameObjects.Components.Power
         }
 
         /// <summary>
-        /// Register a continuous load from a device connected to the powernet
+        ///     Register a continuous load from a device connected to the powernet
         /// </summary>
         public void AddDevice(PowerDeviceComponent device)
         {
@@ -184,7 +184,7 @@ namespace Content.Server.GameObjects.Components.Power
         }
 
         /// <summary>
-        /// Update one of the loads from a deviceconnected to the powernet
+        ///     Update one of the loads from a deviceconnected to the powernet
         /// </summary>
         public void UpdateDevice(PowerDeviceComponent device, float oldLoad)
         {
@@ -196,7 +196,7 @@ namespace Content.Server.GameObjects.Components.Power
         }
 
         /// <summary>
-        /// Remove a continuous load from a device connected to the powernet
+        ///     Remove a continuous load from a device connected to the powernet
         /// </summary>
         public void RemoveDevice(PowerDeviceComponent device)
         {
@@ -209,8 +209,7 @@ namespace Content.Server.GameObjects.Components.Power
             }
             else
             {
-                var name = device.Owner.Prototype.Name;
-                Logger.WarningS("power", "We tried to remove a device twice from the same {0} somehow, prototype {1}", Name, name);
+                Logger.WarningS("power", "We tried to remove device {0} twice from the same {1}, somehow.", device.Owner, Owner);
             }
         }
     }

Content.Server/GameObjects/Components/Power/Powernet.cs

@@ -289,7 +289,17 @@ namespace Content.Server.GameObjects.Components.Power
         }
 
         /// <summary>
-        /// Remove a continuous load from a device connected to the powernet
+        ///     Returns whether or not a power device is in this powernet's load list.
+        /// </summary>
+        /// <param name="device">The device to check for.</param>
+        /// <returns>True if the device is in the load list, false otherwise.</returns>
+        public bool HasDevice(PowerDeviceComponent device)
+        {
+            return DeviceLoadList.Contains(device);
+        }
+
+        /// <summary>
+        ///     Remove a continuous load from a device connected to the powernet
         /// </summary>
         public void RemoveDevice(PowerDeviceComponent device)
         {
@@ -302,8 +312,7 @@ namespace Content.Server.GameObjects.Components.Power
             }
             else
             {
-                var name = device.Owner.Prototype.Name;
-                Logger.Info("We tried to remove a device twice from the same powernet somehow, prototype {0}", name);
+                Logger.WarningS("power", "We tried to remove device {0} twice from {1}, somehow.", device.Owner, this);
             }
         }
 
@@ -341,8 +350,7 @@ namespace Content.Server.GameObjects.Components.Power
             }
             else
             {
-                var name = generator.Owner.Prototype.Name;
-                Logger.Info(String.Format("We tried to remove a device twice from the same power somehow, prototype {1}", name));
+                Logger.WarningS("power", "We tried to remove generator {0} twice from {1}, somehow.", generator.Owner, this);
             }
         }
 
@@ -389,17 +397,22 @@ namespace Content.Server.GameObjects.Components.Power
         }
         #endregion Registration
 
+        public override string ToString()
+        {
+            return $"Powernet {Uid}";
+        }
+
         /// <summary>
         ///     Priority that a device will receive power if powernet cannot supply every device
         /// </summary>
         public enum Priority
         {
-            Necessary,
-            High,
-            Medium,
-            Low,
-            Provider,
-            Unnecessary
+            Necessary = 0,
+            High = 1,
+            Medium = 2,
+            Low = 3,
+            Provider = 4,
+            Unnecessary = 5
         }
 
         /// <summary>
@@ -412,9 +425,9 @@ namespace Content.Server.GameObjects.Components.Power
                 int compare = y.Priority.CompareTo(x.Priority);
 
                 //If the comparer returns 0 sortedset will believe it is a duplicate and return 0, so return 1 instead
-                if (compare == 0 && !x.Equals(y))
+                if (compare == 0)
                 {
-                    return 1;
+                    return y.Owner.Uid.CompareTo(x.Owner.Uid);
                 }
                 return compare;
             }