added egg collector

book/eggcollector.lua

@@ -0,0 +1,59 @@
+-- Egg Collector program
+-- By Al Sweigart
+-- al@inventwithpython.com
+-- Collects eggs in a field.
+
+os.loadAPI('hare')
+
+local cliArgs = {...}
+local rowsArg = tonumber(cliArgs[1])
+local columnsArg = tonumber(cliArgs[2])
+
+if columnsArg == nil then
+  print('Usage: eggcollect rows columns')
+  return
+end
+
+
+function storeItems()
+  if not hare.findBlock('minecraft:chest') then -- face the chest
+    print('Warning: Could not find chest.')
+    return
+  end
+
+  -- drop off items
+  local slot
+  for slot=1,16 do
+    turtle.select(slot)
+    turtle.drop()
+  end
+
+  -- face field again
+  turtle.turnLeft()
+  turtle.turnLeft()
+end
+
+
+print('Hold Ctrl+T to stop.')
+if not hare.findBlock('minecraft:chest') then
+  print('ERROR: Must start next to a chest!')
+end
+
+-- face field
+turtle.turnLeft()
+turtle.turnLeft()
+
+while true do
+  -- check fuel
+  if turtle.getFuelLevel() < (rowsArg * columnsArg) + rowsArg + columnsArg then
+    print('ERROR: Not enough fuel.')
+    return
+  end
+
+  -- collect eggs
+  print('Sweeping field...')
+  hare.sweepField(rowsArg, columnsArg, turtle.suckDown, storeItems)
+
+  print('Sleeping for 5 minutes...')
+  os.sleep(300)
+end

book/harev2.lua

@@ -174,4 +174,3 @@ function countItems(name)
   end
   return total
 end
-