Added digtunnel Script

Mining_Things/digtunnel.lua

@@ -0,0 +1,103 @@
+--[[digtunnel program from Sascha
+Dig a tunnel until bedrock]] 
+
+os.loadAPI('hare')
+isBedrock = false
+level = 0
+
+function comming_back(distance)
+    for i = 1, distance do
+        turtle.up()
+    end
+end
+
+function dig_around()
+    if is_bedrock() then
+        print('Found Bedrock. Comming back')
+        comming_back(level)
+        error('Done')
+    end
+    turtle.dig()
+    turtle.turnLeft()
+    if is_bedrock() == true then
+        print('Found Bedrock. Comming back')
+        comming_back(level)
+        error('Done')
+    end
+    turtle.dig()
+    turtle.turnRight()
+    turtle.turnRight()
+    if is_bedrock() then
+        print('Found Bedrock comming back')
+        comming_back(level)
+        error('done')
+    end
+    turtle.dig()
+    turtle.turnLeft()
+end
+
+function is_bedrock()
+    -- Check if we have Bedrock in Front
+    -- or underneath of us
+    local success, item = turtle.inspect()
+    if success == true and item['name'] == 'minecraft:bedrock' then
+        isBedrock = true
+        return true
+    else
+        return false
+    end 
+    local success, item = turtle.inspectDown()
+    if success == true and item['name'] == 'minecraft;bedrock' then
+        isBedrock = true
+    else
+        return false
+    end
+end
+
+while isBedrock == false do
+    -- Dig one level down
+    if is_bedrock() then
+        print('Found Bedrock. Comming back')
+        comming_back(level)
+        error('Done')
+    end
+    turtle.digDown()
+    turtle.down()
+    level = level + 1
+    
+    -- Dig a 3x3 Tunnel
+    dig_around()
+    turtle.forward()
+    dig_around()
+    turtle.forward()
+    turtle.turnLeft()
+    if is_bedrock() then
+        print('Found Bedrock. Comming back')
+        comming_back(level)
+        error('Done')
+    end
+    turtle.dig()
+    turtle.turnRight()
+    turtle.turnRight()
+    if is_bedrock() then
+        print('Found Bedrock. Comming back')
+        comming_back(level)
+        error('Done')
+    end
+    turtle.dig()
+    turtle.turnLeft()
+    
+    -- place a ladder
+    local success, item = turtle.inspect()
+    if not success then
+        hare.selectItem('minecraft:cobblestone')
+        turtle.place()
+    end
+    turtle.back()
+    hare.selectItem('minecraft:ladder')
+    turtle.place()
+    hare.selectEmptySlot()
+    -- Go back to Start Position
+    turtle.back()
+end
+