Entity removal fixes

Subsurface/Source/Characters/Animation/Ragdoll.cs

@@ -1155,11 +1155,22 @@ namespace Barotrauma
 
         public void Remove()
         {
-            foreach (Limb l in Limbs) l.Remove();
+            foreach (Limb l in Limbs)
+            {
+                l.Remove();
+            }
+            Limbs = null;
+
+            collider.Remove();
+            collider = null;
+
             foreach (RevoluteJoint joint in limbJoints)
             {
                 GameMain.World.RemoveJoint(joint);
             }
+            limbJoints = null;
+
+            list.Remove(this);
         }
 
     }

Subsurface/Source/Characters/Character.cs

@@ -2142,6 +2142,8 @@ namespace Barotrauma
 
             if (aiTarget != null) aiTarget.Remove();
 
+            if (Lights.LightManager.ViewTarget == this) Lights.LightManager.ViewTarget = null;
+            
             if (AnimController!=null) AnimController.Remove();
         }
 

Subsurface/Source/Characters/Limb.cs

@@ -557,12 +557,29 @@ namespace Barotrauma
         public void Remove()
         {
             sprite.Remove();
-            if (LightSource != null) LightSource.Remove();
-            if (damagedSprite != null) damagedSprite.Remove();
+            sprite = null;
 
-            body.Remove();
+            if (LightSource != null)
+            {
+                LightSource.Remove();
+            }
+            if (damagedSprite != null)
+            {
+                damagedSprite.Remove();
+                damagedSprite = null;
+            }
 
-            if (hitSound != null) hitSound.Remove();
+            if (body != null)
+            {
+                body.Remove();
+                body = null;
+            }
+
+            if (hitSound != null)
+            {                                
+                hitSound.Remove();
+                hitSound = null;
+            }
         }
     }
 }

Subsurface/Source/Map/Entity.cs

@@ -133,7 +133,14 @@ namespace Barotrauma
             List<Entity> list = new List<Entity>(dictionary.Values);
             foreach (Entity e in list)
             {
-                e.Remove();
+                try
+                {
+                    e.Remove();
+                }
+                catch (Exception exception)
+                {
+                    DebugConsole.ThrowError("Error while removing entity \"" + e.ToString() + "\"", exception);
+                }
             }
             dictionary.Clear();
         }

Subsurface/Source/Map/Hull.cs

@@ -334,7 +334,7 @@ namespace Barotrauma
             base.Remove();
             hullList.Remove(this);
 
-            if (Submarine == null || !Submarine.Loading)
+            if (Submarine == null || (!Submarine.Loading && !Submarine.Unloading))
             {
                 Item.UpdateHulls();
                 Gap.UpdateHulls();