begin moving turtle specific code from opus into turtle package

core/etc/scripts/obsidian

@@ -1,108 +0,0 @@
-_G.requireInjector(_ENV)
-
-local Point = require('point')
-local Util  = require('util')
-
-local os     = _G.os
-local turtle = _G.turtle
-
-local checkedNodes, nodes
-
-local function addNode(node)
-
-  for i = 0, 3 do
-    local hi = turtle.getHeadingInfo(i)
-    local testNode = { x = node.x + hi.xd, z = node.z + hi.zd }
-
-    local key = table.concat({ testNode.x, testNode.z }, ':')
-    if not checkedNodes[key] then
-      nodes[key] = testNode
-    end
-  end
-end
-
-local function findObsidian()
-  repeat
-    local node = { x = turtle.point.x, z = turtle.point.z }
-    local key = table.concat({ node.x, node.z }, ':')
-
-    checkedNodes[key] = true
-    nodes[key] = nil
-
-    local _,b = turtle.inspectDown()
-    if b and (b.name == 'minecraft:lava' or b.name == 'minecraft:flowing_lava') then
-      if turtle.select('minecraft:water_bucket') then
-        while true do
-          if turtle.up() then
-            break
-          end
-          print('stuck')
-        end
-        turtle.placeDown()
-        os.sleep(2)
-        turtle.placeDown()
-        turtle.down()
-        turtle.select(1)
-        _, b = turtle.inspectDown()
-      end
-    end
-
-    if turtle.getItemCount(16) > 0 then
-      print('Inventory full')
-      print('Enter to continue...')
-      _G.read()
-    end
-
-    if b and b.name == 'minecraft:obsidian' then
-      turtle.digDown()
-      addNode(node)
-    else
-      turtle.digDown()
-    end
-
-    print(string.format('%d nodes remaining', Util.size(nodes)))
-
-    if Util.size(nodes) == 0 then
-      break
-    end
-
-    node = Point.closest(turtle.point, nodes)
-    if not turtle._goto(node) then
-      break
-    end
-  until turtle.isAborted()
-end
-
-turtle.run(function()
-  turtle.reset()
-  turtle.set({ digPolicy = 'dig' })
-
-  local s, m = pcall(function()
-    repeat
-      checkedNodes = { }
-      nodes = { }
-
-      local _,b = turtle.inspectDown()
-      if not b or b.name ~= 'minecraft:obsidian' then
-        break
-      end
-
-      findObsidian()
-      if not turtle.select('minecraft:water_bucket') then
-        break
-      end
-      turtle._goto({ x = 0, z = 0 })
-      turtle.placeDown()
-      os.sleep(2)
-      turtle.placeDown()
-      turtle.down()
-      turtle.select(1)
-    until turtle.isAborted()
-  end)
-
-  if not s and m then
-    error(m)
-  end
-
-  turtle._goto({ x = 0, y = 0, z = 0, heading = 0 })
-end)

core/etc/scripts/summon

@@ -32,7 +32,7 @@ local function summon(id)
   local function doGPS()
     tFixes = { }
     for i = 1, 4 do
-      if not turtle._goto(pts[i]) then
+      if not turtle.go(pts[i]) then
         error('turtle: Unable to perform GPS maneuver')
       end
       local distance = getDistance()