From fb47e969550781830e52f36f30f90a3edee4cb28 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Th=C3=A9ophile=20Bastian?= <contact@tobast.fr>
Date: Tue, 18 Aug 2020 18:38:51 +0200
Subject: [PATCH] Mine: fix move

---
 turtles/mine.lua | 36 ++++++++++++++++++++----------------
 1 file changed, 20 insertions(+), 16 deletions(-)

diff --git a/turtles/mine.lua b/turtles/mine.lua
index 65b0e94..8917be0 100644
--- a/turtles/mine.lua
+++ b/turtles/mine.lua
@@ -68,24 +68,28 @@ end
 function go_to(dh, dd, ds)
     go_to_depth(0)
 
-    while height > dh do
-        turtle.down()
-        height = height - 1
-    end
-    while height < dh do
-        turtle.up()
-        height = height + 1
+    if height ~= dh then
+        while height > dh do
+            turtle.down()
+            height = height - 1
+        end
+        while height < dh do
+            turtle.up()
+            height = height + 1
+        end
     end
 
-    turn_abs(1)
+    if side ~= ds then
+        turn_abs(1)
 
-    while side > ds do
-        turtle.back()
-        side = side - 1
-    end
-    while side < ds do
-        turtle.forward()
-        side = side + 1
+        while side > ds do
+            turtle.back()
+            side = side - 1
+        end
+        while side < ds do
+            turtle.forward()
+            side = side + 1
+        end
     end
 
     go_to_depth(dd)
@@ -135,7 +139,7 @@ function find_next_shaft()
 
     while true do
         print("Climb")
-        for hei=0,MAX_HEIGHT-1 do
+        for hei=1,MAX_HEIGHT-1 do
             if (hei % 3) == 0 then
                 if turtle.detect() then
                     return