Fixed entity linking not working

Barotrauma/BarotraumaClient/Source/Items/Item.cs

@@ -127,10 +127,15 @@ namespace Barotrauma
 
             if (!prefab.IsLinkable) return;
 
-            if (!PlayerInput.LeftButtonClicked() || !PlayerInput.KeyDown(Keys.Space)) return;
+            if (!PlayerInput.KeyDown(Keys.Space)) return;
+            bool lClick = PlayerInput.LeftButtonClicked();
+            bool rClick = PlayerInput.RightButtonClicked();
+            if (!lClick && !rClick) return;
 
             Vector2 position = cam.ScreenToWorld(PlayerInput.MousePosition);
 
+            if (lClick)
+            {
                 foreach (MapEntity entity in mapEntityList)
                 {
                     if (entity == this || !entity.IsHighlighted) continue;
@@ -141,6 +146,19 @@ namespace Barotrauma
                     if (entity.IsLinkable && entity.linkedTo != null) entity.linkedTo.Add(this);
                 }
             }
+            else
+            {
+                foreach (MapEntity entity in mapEntityList)
+                {
+                    if (entity == this || !entity.IsHighlighted) continue;
+                    if (!linkedTo.Contains(entity)) continue;
+                    if (!entity.IsMouseOn(position)) continue;
+
+                    linkedTo.Remove(entity);
+                    if (entity.linkedTo != null && entity.linkedTo.Contains(this)) entity.linkedTo.Remove(this);
+                }
+            }
+        }
 
         public override void DrawEditing(SpriteBatch spriteBatch, Camera cam)
         {

Barotrauma/BarotraumaClient/Source/Map/Hull.cs

@@ -4,6 +4,7 @@ using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Graphics;
 using System;
 using System.Collections.Generic;
+using Microsoft.Xna.Framework.Input;
 
 namespace Barotrauma
 {
@@ -57,6 +58,37 @@ namespace Barotrauma
             return decal;
         }
 
+        public override void UpdateEditing(Camera cam)
+        {
+            if (!PlayerInput.KeyDown(Keys.Space)) return;
+            bool lClick = PlayerInput.LeftButtonClicked();
+            bool rClick = PlayerInput.RightButtonClicked();
+            if (!lClick && !rClick) return;
+
+            Vector2 position = cam.ScreenToWorld(PlayerInput.MousePosition);
+
+            if (lClick)
+            {
+                foreach (MapEntity entity in mapEntityList)
+                {
+                    if (entity == this || !entity.IsHighlighted) continue;
+                    if (!entity.IsMouseOn(position)) continue;
+                    
+                    if (entity.IsLinkable && entity.linkedTo != null) entity.linkedTo.Add(this);
+                }
+            }
+            else
+            {
+                foreach (MapEntity entity in mapEntityList)
+                {
+                    if (entity == this || !entity.IsHighlighted) continue;
+                    if (!entity.IsMouseOn(position)) continue;
+                    
+                    if (entity.linkedTo != null && entity.linkedTo.Contains(this)) entity.linkedTo.Remove(this);
+                }
+            }
+        }
+
         partial void UpdateProjSpecific(float deltaTime, Camera cam)
         {
             if (EditWater)

Barotrauma/BarotraumaShared/Source/Map/MapEntityPrefab.cs

@@ -61,12 +61,18 @@ namespace Barotrauma
         }
         
         [Serialize(false, false)]
-        public virtual bool IsLinkable
+        public bool Linkable //TODO: make this property's name consistent
         {
             get;
             private set;
         }
 
+        public virtual bool IsLinkable
+        {
+            get { return Linkable; }
+            private set { Linkable = value; }
+        }
+        
         public MapEntityCategory Category
         {
             get;