From 5ac9658c3aebce6fbc8f4d32eb0fdc76fc33e5e9 Mon Sep 17 00:00:00 2001
From: Kai Vogelgesang <s8kavoge@stud.uni-saarland.de>
Date: Tue, 7 Jul 2020 00:58:47 +0200
Subject: [PATCH] Update lib

---
 kai/lib.lua | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/kai/lib.lua b/kai/lib.lua
index 7d8b45e..602567a 100644
--- a/kai/lib.lua
+++ b/kai/lib.lua
@@ -21,6 +21,10 @@ state = (function ()
     })
 end)()
 
+if state.x == nil or state.y == nil or state.z == nil or state.o == nil then
+    print("[WARNING] position is not set")
+end
+
 --[[
     orientation:
     0 = South (+z)
@@ -45,7 +49,7 @@ return {
     fwd = move(turtle.forward, function()
         if state.o == 1 or state.o == 3 then
             state.x = state.x + ((state.o == 1) and -1 or 1)
-        else
+        elseif state.o == 0 or state.o == 2 then
             state.z = state.z + ((state.o == 2) and -1 or 1)
         end
     end),
@@ -53,7 +57,7 @@ return {
     back = move(turtle.back, function()
         if state.o == 1 or state.o == 3 then
             state.x = state.x + ((state.o == 1 and 1 or -1))
-        else
+        elseif state.o == 0 or state.o == 2 then
             state.z = state.z + ((state.o == 2) and 1 or -1)
         end
     end),