Dirty workaround for background music breaking during loading (the music is switched when a round starts), the "wall" at the top of the levels is drawn on top of the lightmap, small fixes in AIObjectiveGetItem and BackGroundSpriteManager

Subsurface/Source/Map/Levels/LevelRenderer.cs

@@ -182,7 +182,7 @@ namespace Barotrauma
             spriteBatch.Draw(shaftTexture,
                 new Rectangle((int)(MathUtils.Round(pos.X, 512.0f)), (int)pos.Y, width, 512),
                 new Rectangle(0, 0, width, 256),
-                Color.White, 0.0f,
+                level.BackgroundColor, 0.0f,
                 Vector2.Zero,
                 SpriteEffects.None, 0.0f);
         }