pace2

-- It mines trees! - V2--

-- doesn't go out of the outOfBoundsMarker
-- reverses at the stop marker
-- errors at a halt maker

-- ground markers
local outOfBoundsMarker = "minecraft:grass_block"
local outOfBoundsMarker2 = "minecraft:dirt"
local pauseMarker = "atmospheric:arid_sandstone"
local stopMakrer  = "minecraft:cobblestone"
local haltMarker = "minecraft:glass"
local inventoryMarker = "environmental:willow_planks"
local inventory = "environmental:willow_chest"


--side markers
local woodLog = "minecraft:birch_log"
local sapling ="minecraft:birch_sapling"
local ignore = "minecraft:snow"
local realSnow  ="snowrealmagic:snow"

--other
local maxZ = 6 --tree goes up this high
local fuelSlot = 2

local emptyTurtleSlots = {      3,4,5,6,7,8,9,10,11,12,13,14        }
local keepFullSlots = {1,2}

function combine(slot)
                ---Make sure slot is not already full
                turtle.select(slot)
                if turtle.getItemCount() == 64 then return end

                if turtle.getItemCount() > 0 then
                     for i=1,16 do
                            turtle.select(i)
                            if turtle.getItemCount() >0 then
                                if turtle.compareTo(i) then
                                        turtle.transferTo(slot)
                                end
                            end
                     end
                else
                    return "slot empty"
                end
end

function pickupItems()
            turtle.suck()
            turtle.suckDown()
            turtle.suckUp()
end

function t_detect(f)
            detectDown = detectBlockNameDown()

end

function t_detectFwd(f)
            if turtle.detect() == true then
                    local a,b = turtle.inspect()
                    if b ~= false then
                            detectFwd = b.name
                    else
                            detectFwd = "none"
                    end
            else
                    detectFwd = false
            end
            --  f()
end

function testBounds()
            local isBlock = turtle.detect == true
            haltIfNeccesary(detectDown)
            keepInBounds(detectDown,f)
            testInfFront(isBlock)
end

function testInfFront(isBlock)
                    local blockInfort = turtle.inspect()
                    if isBlock == true then
                            if blockInfort == "minecraft:snow" then
                                    turtle.turnRight2()
                            elseif blockInfort == woodLog then
                            elseif blockInfort == sapling then
                            elseif blockInfort == ignore then
                            elseif blockInfort == realSnow then turtle.dig()
                            else
                                    error("obstructed - there is something strange in the way!")
                            end
                    end
end



function isBlockDown(block,blockDetected)
        if type(blockDetected) ~= "string" then
            print(string.sub(debug.traceback(),1,200))
            error("invalid detection")
        end

        if block == blockDetected then
            return true
        else
            return false
        end
end

function detectBlockNameDown()
        local a,b = turtle.inspectDown()
        return b.name or "none"

end

function haltIfNeccesary(detectDown)
        local halt = isBlockDown(haltMarker,detectDown)
        if halt == true then
                error("Halted")
        end
end


function returnFromOutOfBounds(f)
    turtle.back2()
    turtle.turnRight2()
end

function keepInBounds(detectDown,f)
    if isBlockDown(outOfBoundsMarker,detectDown) == true then
        returnFromOutOfBounds(f)
    end

    -- out of bounds marker 2
        if isBlockDown(outOfBoundsMarker2,detectDown,f) == true then
        returnFromOutOfBounds(f)
    end
end

do -- turtle.forward wrapped
    local f = turtle.forward
    function turtle.forward2()--detectDown)
            f()
            t_detect(f)
            testBounds()
            pickupItems()
            return true
    end
end

do -- turtle.back wrapped
        local b = turtle.back
        function turtle.back2()
            b()
            t_detect(b)
            testBounds()
            pickupItems()
        end
end

do -- turtle.turnLeft wraped
        local l = turtle.turnLeft
        function turtle.turnLeft2()
                --print("l1")
                l()
                t_detectFwd(l)
                pickupItems()
                --print("l2")
        end
end

do -- turtle.turnRight wrapped
        local r=  turtle.turnRight
        function turtle.turnRight2()
                --print("r1")
                r()
                t_detectFwd(r)
                pickupItems()
                --print("r2")
        end
end

do -- turtle.turnUp wrapped
        local u = turtle.up
        function turtle.up2()
                local try = u()
                print("going up")
                while try == false do
                            print("failed going up retying")
                            turtle.digUp()
                            try = u()
                end
                pickupItems()
        end
end

do --turtle.down wrapped
        local d = turtle.down
        function turtle.down2()
                local try = d()
                print("going down")
                while try == false do
                            print("failed going down retying")
                            turtle.digDown()
                            try = d()
                end
            pickupItems()
        end
end

function sort()
        for i,v in pairs(keepFullSlots) do
                combine(v)
        end
end

function    insertToInventory()
        sort()
        --local emptyTurtleSlots
        for i,v in pairs(emptyTurtleSlots) do
                turtle.select(v)
                turtle.drop()
        end
end


function FindInventory()
        local i=1
        while detectFwd ~= inventory do
            turtle.turnLeft2()
            i = i + 1
            if i == 10 then
                    error("unable to find inventory")
            end
        end
        insertToInventory()
        for i2=1, i-1 do
            turtle.turnRight2()
        end

end

function checkForChestBlock()
        if detectDown == inventoryMarker then
                    FindInventory()
        end

end


function digTree()



    function isBlock(block)
            if isBlock ~= false then
                    --local a,b = turtle.inspect()
                    local blockName = detectFwd
                    if blockName == block then
                        return true
                    else
                        return false
                    end
            else
                    return false
            end
    end

    function searchSlotsFor(blockId)
        for slot = 1,16 do
            turtle.select(slot)
            --local i = turtle.
            local i = turtle.getItemDetail() or "nothing"
            if i ~= "nothing" then
                if i.name == blockId then
                    return slot
                else
                end
            end
        end
        return "nothing found"
    end

    function findBlock(blockId)
        local i = turtle.getItemDetail() or "nothing"
        if i ~= "nothing" and i.name == blockId then
            return true
        else
            slot = searchSlotsFor(blockId)
            if slot ~= "nothing found" then
                return true
            else
                print(tostring(blockId) .. " not found")

                local i = 0
                local ingnoreTime = 5
                while searchSlotsFor(blockId) == "nothing found" do
                        i = i + 1
                        sleep(1)
                        write(".")
                        if type(ingnoreTime) == "number" then
                            if i == ingnoreTime then
                                print("ignoring")
                                return "none"
                            end
                        end


                end
            end

        end
    end

    function ifLogDigTree()
        local isLog = isBlock(woodLog) == true
        if isLog then
            turtle.dig()
            for i=1,maxZ do
                turtle.up2()
                turtle.dig()
                turtle.digUp()
            end

            for i=1,maxZ do
                turtle.down2()
            end

            if findBlock(sapling) == true then
                turtle.place()
            end
        end

        if not isLog then


            local isRealSnow = isBlock(realSnow) == true
            if isRealSnow then
                    turtle.dig()
            end

            local isSnow = isBlock(ignore) == true
            if isSnow then
                    turtle.dig()

            --local isSapling = isBlock(sapling)
            else
                    turtle.place()
            end

        end

    end

    ifLogDigTree()


end


detectDown = detectBlockNameDown()   --- updates in turtle.forward2()
function paceBlock(pauseAt,stopAt,direction)

    print(detectDown)
    turtle.forward2()--detectDown)
    if direction == "right" then
        checkForChestBlock()
    end

    local pause = isBlockDown(pauseAt,detectDown)
    local stop = isBlockDown(stopAt,detectDown)

    if pause == true then
        --pauseTurn()
        turtle.turnRight2()
        digTree()
        turtle.turnLeft2()
        turtle.turnLeft2()
        digTree()
        turtle.turnRight2()
        --resumeTurn()
    elseif stop == true then
        return "stop"
    end

    --
end


function paceBlockRepeatedly(pauseAt,stopAt,direction)
    while true do
        topUpFuel()
        if paceBlock(pauseAt,stopAt,direction) == "stop" then return "stop" end
    end
end

function paceRight(pauseAt,stopAt)
    --turtle.turnRight()
    paceBlockRepeatedly(pauseAt,stopAt,"right")
    turtle.turnRight2()
    turtle.turnRight2()
    --turtle.turnRight()

end


function paceLeft(pauseAt,stopAt)
    -- turtle.turnLeft()
    paceBlockRepeatedly(pauseAt,stopAt,"left")
    turtle.turnLeft2()
    turtle.turnLeft2()
    -- turtle.turnLeft()
    --paceRight()
end

function pace(pauseAt,stopAt,direction)
    if direction == "right" then
        paceRight(pauseAt,stopAt)
    elseif direction == "left" then
        paceLeft(pauseAt,stopAt)
    end
end


function topUpFuel()
    local fuelBuffer = 1000


    local fuelLevel = turtle.getFuelLevel()
    if fuelLevel < fuelBuffer then
        local prevSlot = turtle.getSelectedSlot()
        print("attempting to refuel")

        local i = 1
        while turtle.getFuelLevel() < fuelBuffer do

            turtle.select(fuelSlot)
            turtle.refuel(1)
            i = i+1


        end
        turtle.select(prevSlot)
    else

    end

end

function turnToCorretSide()
        turtle.turnRight2()
        while detectFwd ~= false do
                turtle.turnLeft2()
                print(detectFwd)
        end

        --turtle.turnLeft2()
end


------ main
turtle.select(1)
topUpFuel()
turnToCorretSide()
while true do
    topUpFuel()
    paceLeft(pauseMarker,stopMakrer)
    topUpFuel()
    paceRight(pauseMarker,stopMakrer)

end