Added a few functions to BlockCoord

Made RedundantTransformation more redundant

codechicken/lib/vec/BlockCoord.java

@@ -177,4 +177,24 @@ public class BlockCoord implements Comparable<BlockCoord>
     {
         return set(coord.x, coord.y, coord.z);
     }
+    
+    public int toSide()
+    {
+        if(!isAxial()) return -1;
+        if(y < 0) return 0;
+        if(y > 0) return 1;
+        if(z < 0) return 2;
+        if(z > 0) return 3;
+        if(x < 0) return 4;
+        if(x > 0) return 5;
+        
+        return -1;
+    }
+    
+    public int absSum()
+    {
+        return (x < 0 ? -x : x) + 
+                (y < 0 ? -y : y) + 
+                (z < 0 ? -z : z);
+    }
 }

codechicken/lib/vec/RedundantTransformation.java

@@ -30,6 +30,11 @@ public class RedundantTransformation extends Transformation
         return this;
     }
     
+    @Override
+    public Transformation merge(Transformation next) {
+        return next;
+    }
+    
     @Override
     public String toString()
     {