package management

farms/farm.lua

@@ -0,0 +1,126 @@
+_G.requireInjector(_ENV)
+
+local Point = require('point')
+local Util  = require('util')
+
+local device = _G.device
+local fs     = _G.fs
+local os     = _G.os
+local turtle = _G.turtle
+
+local CONFIG_FILE = 'usr/config/farm'
+
+local scanner = device['plethora:scanner'] or
+  turtle.equip('right', 'plethora:module:2') and device['plethora:scanner'] or
+  error('Plethora scanner required')
+
+local crops = Util.readTable(CONFIG_FILE) or {
+  ['minecraft:wheat'] =
+    { seed = 'minecraft:wheat_seeds', mature = 7, action = 'plant' },
+  ['minecraft:carrots'] =
+    { seed = 'minecraft:carrot', mature = 7, action = 'plant' },
+  ['minecraft:potatoes'] =
+    { seed = 'minecraft:potato', mature = 7, action = 'plant' },
+  ['minecraft:beetroots'] =
+    { seed = 'minecraft:beetroot_seeds', mature = 3, action = 'plant' },
+  ['minecraft:reeds'] = { action = 'bash' },
+  ['minecraft:melon_block'] = { action = 'smash' },
+  ['minecraft:pumpkin'] = { action = 'smash' },
+  ['minecraft:chest'] = { action = 'drop' },
+}
+
+if not fs.exists(CONFIG_FILE) then
+  Util.writeTable(CONFIG_FILE, crops)
+end
+
+local function scan()
+  local blocks = scanner.scan()
+  local summed = turtle.getSummedInventory()
+  local doDropOff
+
+  for _,v in pairs(summed) do
+    if v.count > 48 then
+      doDropOff = true
+      break
+    end
+  end
+
+  Util.filterInplace(blocks, function(v)
+    v.action = crops[v.name] and crops[v.name].action
+
+    if v.action == 'bash' then
+      return v.y == 0
+    end
+    if v.action == 'drop' then
+      return doDropOff and v.y == -1
+    end
+    if v.action == 'smash' then
+      return v.y == -1
+    end
+    return v.action == 'plant' and
+      v.metadata == crops[v.name].mature and
+      v.y == -1
+  end)
+
+  local harvestCount = 0
+  for _,v in pairs(blocks) do
+    if v.action ~= 'drop' then
+      harvestCount = harvestCount + 1
+    end
+  end
+
+  return blocks, harvestCount
+end
+
+local function harvest(blocks)
+  turtle.equip('right', 'minecraft:diamond_pickaxe')
+  turtle.setPoint({ x = 0, y = 0, z = 0, heading = turtle.point.heading })
+  turtle.select(1)
+
+  local dropped
+
+  Point.eachClosest(turtle.point, blocks, function(b)
+    if b.action == 'bash' then
+      turtle.digForwardAt(b)
+    elseif b.action == 'drop' and not dropped then
+      if turtle._goto(Point.above(b)) then
+        local summed = turtle.getSummedInventory()
+        for k,v in pairs(summed) do
+          if v.count > 16 then
+            turtle.dropDown(k, v.count - 16)
+          end
+        end
+        dropped = true
+        turtle.select(1)
+      end
+    elseif b.action == 'smash' then
+      turtle.digDownAt(b)
+    elseif b.action == 'plant' then
+      if turtle.digDownAt(b) then
+        turtle.placeDown(crops[b.name].seed)
+        turtle.select(1)
+      end
+    end
+  end)
+  turtle.equip('right', 'plethora:module:2')
+end
+
+turtle.run(function()
+  local facing = scanner.getBlockMeta(0, 0, 0).state.facing
+  turtle.point.heading = Point.facings[facing].heading
+
+  --turtle.setPolicy('digOnly')
+  turtle.setMovementStrategy('goto')
+  repeat
+    local blocks, harvestCount = scan()
+    if harvestCount > 0 then
+      turtle.setStatus('Harvesting')
+      harvest(blocks)
+      turtle.setStatus('Sleeping')
+    end
+    os.sleep(10)
+    if turtle.getFuelLevel() < 10 then
+      error('Out of fuel')
+    end
+  until turtle.isAborted()
+end)