feat: add simple-harvester

install.lua

@@ -1,5 +1,6 @@
 local LIST_FILES = {
   'miner.lua',
+  'simple-harvester.lua',
   'libs/turtle-utils.lua',
   'libs/robot.lua'
 };

simple-harvester.lua

@@ -0,0 +1,99 @@
+local VERSION = "0.1.0"
+local IDLE_TIME = 2
+
+function isMatureCrop()
+  local isBlock, block = turtle.inspect()
+
+  local blockStateAge = block and block.state and block.state.age
+  return blockStateAge == 7
+end
+
+function isInventory()
+  local periph = peripheral.wrap('front')
+
+  if not periph then
+    return false
+  end
+
+  return peripheral.hasType(periph, 'inventory')
+end
+
+function isSeed(item)
+  local tags = item.tags or {}
+  return tags['forge:seeds'] or tags['mysticalagriculture:seeds'] or false
+end
+
+function selectSeed()
+  for i=1, 16,1 do
+    local details = turtle.getItemDetail(i, true)
+
+    if details and isSeed(details) then
+      turtle.select(i)
+      return true
+    end
+  end
+
+  error("selectSeed error: seed not found")
+end
+
+function strictDrop(idx)
+  if turtle.getSelectedSlot() ~= idx then
+    turtle.select(idx)
+  end
+
+  local ok, err = turtle.drop()
+
+  if not ok then
+    error('strictDrop error: ' .. err)
+  end
+
+  return true
+end
+
+function dropAll()
+  for i=1, 16, 1 do
+    local count = turtle.getItemCount(i)
+
+    if count > 0 then
+      strictDrop(i)
+    end
+  end
+end
+
+function waitFor(predicate, sleepTime)
+  while true do
+    local result = predicate()
+
+    if result ~= nil and result ~= false then
+      return result
+    end
+
+    os.sleep(sleepTime)
+  end
+end
+
+function emptyInventory()
+  turtle.turnLeft()
+  turtle.turnLeft()
+
+  waitFor(isInventory, IDLE_TIME)
+  dropAll()
+
+  turtle.turnLeft()
+  turtle.turnLeft()
+end
+
+function main()
+  while true do
+    waitFor(isMatureCrop, IDLE_TIME)
+    turtle.dig()
+    selectSeed()
+    turtle.place()
+    emptyInventory()
+  end
+end
+
+print("Starting Trap's simple harvester v" .. VERSION)
+print("=========================")
+print()
+main()