Cache turtle family within the tile

This means one can call .getFamily() in a thread-safe manner, ensuring
turtle.getFuelLimit() does not cause issues. As we use a specialist
TE class for each family this does not require any specialist caching.

src/main/java/dan200/computercraft/shared/turtle/blocks/TileTurtle.java

@@ -71,14 +71,21 @@ public class TileTurtle extends TileComputerBase
     private boolean m_inventoryChanged;
     private TurtleBrain m_brain;
     private MoveState m_moveState;
+    private ComputerFamily m_family;
 
     public TileTurtle()
+    {
+        this( ComputerFamily.Normal );
+    }
+
+    public TileTurtle(ComputerFamily family)
     {
         m_inventory = NonNullList.withSize( INVENTORY_SIZE, ItemStack.EMPTY );
         m_previousInventory = NonNullList.withSize( INVENTORY_SIZE, ItemStack.EMPTY );
         m_inventoryChanged = false;
         m_brain = createBrain();
         m_moveState = MoveState.NOT_MOVED;
+        m_family = family;
     }
 
     public boolean hasMoved()
@@ -454,6 +461,13 @@ public class TileTurtle extends TileComputerBase
         return m_brain.getToolRenderAngle( side, f );
     }
 
+    // IComputerTile
+    @Override
+    public ComputerFamily getFamily()
+    {
+        return m_family;
+    }
+
     // IInventory
 
     @Override

src/main/java/dan200/computercraft/shared/turtle/blocks/TileTurtleAdvanced.java

@@ -6,9 +6,12 @@
 
 package dan200.computercraft.shared.turtle.blocks;
 
+import dan200.computercraft.shared.computer.core.ComputerFamily;
+
 public class TileTurtleAdvanced extends TileTurtle
 {
     public TileTurtleAdvanced()
     {
+        super( ComputerFamily.Advanced);
     }
 }

src/main/java/dan200/computercraft/shared/turtle/blocks/TileTurtleExpanded.java

@@ -6,9 +6,12 @@
 
 package dan200.computercraft.shared.turtle.blocks;
 
+import dan200.computercraft.shared.computer.core.ComputerFamily;
+
 public class TileTurtleExpanded extends TileTurtle
 {
     public TileTurtleExpanded()
     {
+        super( ComputerFamily.Normal);
     }
 }