Row switches also break blocks now.

mineleader.lua

@@ -250,6 +250,7 @@ end
 
 local function orient(v, forward, right)
     print("Attempting to orient such that " .. tostring(v) .. " == " .. tostring(forward) .. ".")
+	v = v:normalize()
 	if vectorEqual(v, forward) then
 		return true
 	elseif vectorEqual(v, right) then
@@ -431,10 +432,15 @@ local function quarry(x, y, z, forward, right, pattern)
 				return
 			end
 		end
+		local bool reverseTrip = false;
 		for xDelta=1,math.abs(x) do
 			for zDelta=1,math.abs(z) do
 				local success = true;
-				orient(vector.new(0, 0, z), forward, right)
+				if (reverseTrip) then
+					orient(vector.new(0,0,-z), forward, right)
+				else
+					orient(vector.new(0, 0, z), forward, right)
+				end
 				success = success and attemptBreakUp(pattern)
 				success = success and attemptBreakDown(pattern)
 				success = success and attemptBreakFront(pattern)
@@ -443,7 +449,12 @@ local function quarry(x, y, z, forward, right, pattern)
 					sendLog(FAILED, "Unable to proceed with quarrying.")
 				end
 			end
-			if not (orient(vector.new(x, 0, 0), forward, right) and attemptBreakFront(pattern) and attemptMoveForward()) then
+			reverseTrip = not reverseTrip
+			if not (orient(vector.new(x, 0, 0), forward, right) and 
+					attemptBreakFront(pattern) and 
+					attemptBreakUp(pattern) and
+					attemptBreakDown(pattern) and
+					attemptMoveForward()) then
 				sendLog(FAILED, "Unable to move to next row.")
 				return
 			end