Fix mining script

New Attempts/Mining.lua

@@ -1,7 +1,8 @@
-compareSlotMax = 4   -- all slots up to this one are used for comparing, order the blocks in decreasing probability
+compareSlotMax = 1   -- all slots up to this one are used for comparing, order the blocks in decreasing probability
 
 xRelPos = 0 -- "positive = forward"
 yRelPos = 0 -- "positive = right"
+zRelPos = 0 -- "positive = upwards"
 
 facing = {
     x = 1,
@@ -29,6 +30,21 @@ function forward()
     end
 end
 
+function upwards()
+    if turtle.up() then
+        zRelPos = zRelPos + 1
+        return true
+    end
+    return false
+end
+
+function downwards()
+    if turtle.down() then
+        zRelPos = zRelPos - 1
+        return true
+    end
+    return false
+
 function turnRight()
     turtle.turnRight()
     if facing.x == 1 and facing.y == 0 then -- facing forward
@@ -110,16 +126,15 @@ function moveTo(x, y)
 end
 
 function blockIsWorth()
-    return true
 
-    --[[for i = 1, compareSlotMax do
+    for i = 1, compareSlotMax do
         turtle.select(i)
         if turtle.compare() then
             return false
         end
     end
 
-    return true]]
+    return true
 end
 
 function checkForItems(z)
@@ -163,7 +178,7 @@ function digHole()
 
     -- go down
     turtle.digDown()
-    while turtle.down() do
+    while downwards() do
         z = z + 1
         checkForItems(z)
         turtle.digDown()
@@ -172,12 +187,11 @@ function digHole()
     -- go back up
     -- look at the remaining direction (-1, 0) and check blocks
     faceTo(-1, 0)
-    while z > 0 do
+    while zRelPos < 0 do
         if blockIsWorth() then
             turtle.dig()
         end
-        turtle.up()
-        z = z - 1
+        upwards()
     end
 end
 
@@ -188,7 +202,7 @@ function returnItems()
     faceTo(-1, 0)
 
     -- already facing right direction, put items
-    for slot = compareSlotMax + 1, fuelSlot - 1 do
+    for slot = compareSlotMax + 1, 16 do
         turtle.select(slot)
         turtle.drop()
     end