Fixed AIObjectiveGoto terminating if previous path was unreachable, BackGroundSpriteManager won't place a sprite if a suitable position isn't found, StatusEffect fire position fix, UI improvements, door convexhull fix, progress on Fabricators & Deconstructors, mapentities sorted by category in edit mode, item descriptions, TutorialMode refactoring to make it easier to add new types of tutorials

Subsurface/Source/GameSession/GameModes/Tutorials/TutorialMode.cs

@@ -0,0 +1,56 @@
+using FarseerPhysics;
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+using Barotrauma.Items.Components;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Barotrauma.Tutorials;
+
+namespace Barotrauma
+{
+    class TutorialMode : GameMode
+    {
+        public TutorialType tutorialType;
+        
+        public static void StartTutorial(TutorialType tutorialType)
+        {
+            Submarine.Load("Content/Map/TutorialSub.sub", "");
+
+
+            tutorialType.Initialize();
+        }
+
+        public TutorialMode(GameModePreset preset)
+            : base(preset)
+        {
+        }
+
+        public override void Start()
+        {
+            base.Start();
+
+            tutorialType.Start();
+
+        }
+
+        public override void Update(float deltaTime)
+        {
+            base.Update(deltaTime);
+
+            tutorialType.Update(deltaTime);
+
+        }
+
+
+        public override void Draw(SpriteBatch spriteBatch)
+        {
+            base.Draw(spriteBatch);
+
+            //CrewManager.Draw(spriteBatch);
+            tutorialType.Draw(spriteBatch);
+        }
+
+    }
+}