wood_farm.lua

function fellTree()
    local res,info =turtle.inspect()
   if(info.name~="minecraft:sapling")then
    while(turtle.dig()) do
        turtle.digUp()
        turtle.up()
    end
    while(turtle.down()) do
        sleep(0.01)
    end
    if(turtle.getItemCount(1)>1) then
    turtle.select(1)
    end
    turtle.place()
    end
    if(turtle.getFuelLevel()<1000)then
        turtle.select(2)
        turtle.refuel(64)
    end

end
function checkBlock()
    local res,info =turtle.inspect();
    if(res)then
    return info.name ~= "minecraft:chest" and info.name~="minecraft:cobblestone"
    end
    return true
end
function checkMarque()
    local res,info =turtle.inspectDown();
    if(res)then
    return info.name=="minecraft:cobblestone"
    end
    return false
end
function isChest()
    local res,info =turtle.inspect();
    if(res)then
    return info.name=="minecraft:chest"
    end
    return false
end
function turn(reverse)
    if(mirror == true)then
        if(reverse==true)then
            turtle.turnLeft()
        else
            turtle.turnRight()
        end
    else
        if(reverse==true)then
            turtle.turnRight()
        else
        turtle.turnLeft()
        end
    end
end

 mirror=false
while true do
    local block=checkBlock();

    while(block) do
        turtle.forward()
        turtle.suck()
        if(checkMarque())then
            count=0
            turn(false)
            fellTree()
            turn(true)
        end
        block=checkBlock();
    end

    if(isChest())then
        turtle.suckDown(64)
        turtle.suckDown(64)
        for i = 2, 16, 1 do
            turtle.select(i)
            turtle.drop(64)
        end
        mirror = false
    else
        mirror=true
    end
    turtle.turnLeft()
    turtle.turnLeft()
end