Update lib

kai/lib.lua

@@ -22,7 +22,12 @@ 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")
+    printError("[lib] position is not set")
+    printError("[lib] defaulting to 0, 0, 0, +z")
+    state.x = 0
+    state.y = 0
+    state.z = 0
+    state.o = 0
 end
 
 --[[
@@ -33,6 +38,10 @@ end
     3 = East  (+x)
 ]]
 
+function getOrientation()
+    return ({"+z", "-x", "-z", "+x"})[1 + state.o]
+end
+
 function move(raw_move, position_update)
     return function()
         success, err = raw_move()
@@ -40,12 +49,15 @@ function move(raw_move, position_update)
             return false, err
         end
         position_update()
+        return true
     end
 end
 
 return {
     state = state,
 
+    getOrientation = getOrientation,
+
     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)