Mining

-- Drops Items without chests.
-- By hitting chests Turtle don't take Items.

local Glength = 30
local NumG = tonumber(io.read())
local Side = tonumber(io.read())    -- 0 == right ; 1 == left
local i = 0
local NotWishedItems = {}
NotWishedItems[0] = "minecraft:dirt"
NotWishedItems[1] = "minecraft:cobblestone"
NotWishedItems[2] = "minecraft:stone"
NotWishedItems[3] = "minecraft:obsidian"
NotWishedItems[4] = "minecraft:sand"
NotWishedItems[5] = "minecraft:gravel"
NotWishedItems[6] = "minecraft:rail"
NotWishedItems[7] = "minecraft:planks"
NotWishedItems[8] = "minecraft:fence"
NotWishedItems[9] = "bluepower:marble"
NotWishedItems[10] = "minecraft:torch"
NotWishedItems[11] = "minecraft:trapped_chest"
NotWishedItems[12] = "minecraft:flowing_water"
NotWishedItems[13] = "minecraft:flowing_lava"
NotWishedItems[14] = "minecraft:chest"

function turn()
    turtle.turnLeft()
    turtle.turnLeft()
end
function up()
    while turtle.detectUp() == true do
        turtle.digUp()
        sleep(1)
    end
    turtle.up()
end
function down()
    while turtle.detectDown() == true do
        turtle.digDown()
        sleep(1)
    end
    turtle.down()
end
function forward()
    while turtle.detect() == true do
        turtle.dig()
        sleep(1)
    end
    turtle.forward()
end
function back()
    turn()
    forward()
    turn()
end
function placeChest()
    local cnt = 1
    while cnt < 17 do
        data = turtle.getItemDetail(cnt)
        if (data) then
            if ((data.name == "minecraft:trapped_chest") or (data.name == "minecraft:chest")) then
                turtle.select(cnt)
                turtle.place()
                cnt = 16
            elseif (cnt == 16) then
                local a = 0
                while (a == 0) do
                    print("Can't found any chest.")
                    print("Please enter new ones.")
                    print("After finishing, please write a number which is bigger then nil")
                    a = tonumber(io.read())
                end
                placeChest()
            end
        elseif (cnt == 16) then
            local a = 0
            while (a == 0) do
                print("Can't found any chest.")
                print("Please enter new ones.")
                print("After finishing, please write a number which is bigger then nil")
                a = tonumber(io.read())
            end
            placeChest()
        end
        cnt = cnt + 1
    end
end
function placeLightUp()
    local cnt = 1
    while cnt < 17 do
        data = turtle.getItemDetail(cnt)
        if (data) then
            if (data.name == "minecraft:torch") then
                turtle.select(cnt)
                turtle.placeUp()
                cnt = 16
            elseif (cnt == 16) then
                local a = 0
                while (a == 0) do
                    print("Can't found any torch.")
                    print("Please enter new ones.")
                    print("After finishing, please write a number which is bigger then nil")
                    a = tonumber(io.read())
                end
                placeLightUp()
            end
        elseif (cnt == 16) then
            local a = 0
            while (a == 0) do
                print("Can't found any torch.")
                print("Please enter new ones.")
                print("After finishing, please write a number which is bigger then nil")
                a = tonumber(io.read())
            end
            placeLightUp()
        end
        cnt = cnt + 1
    end
end
function IsAWishedItem(_name)
    local cnt = 0
    local Nnwi = table.getn(NotWishedItems)
    while (cnt < Nnwi) do
        if (_name == NotWishedItems[cnt]) then
            return false
        end
        cnt = cnt + 1
    end
    return true
end
function lookingForRessources()
    local cnt = 0
    while (cnt < 6) do
        if (cnt == 0 and turtle.detectUp() == true) then
            local success, data = turtle.inspectUp()
            if (success == true and IsAWishedItem(data.name) == true) then
                up()
                lookingForRessources()
                down()
            end
        elseif (cnt == 1 and turtle.detectDown() == true) then
            local success, data = turtle.inspectDown()
            if (success == true and IsAWishedItem(data.name) == true) then
                down()
                lookingForRessources()
                up()
            end
        elseif (cnt > 1 and cnt < 6) then
            local success, data = turtle.inspect()
            if (success == true and IsAWishedItem(data.name) == true and turtle.detect()) then
                forward()
                lookingForRessources()
                back()
            end
            turtle.turnRight()
        end
        cnt = cnt + 1
    end

end
function dropAllFoundItems()
    local cnt = 1
    local CobDropNum = 0;
    while cnt < 17 do
        turtle.select(cnt)
        local data = turtle.getItemDetail()
        if (data) then
            if (data.name == "minecraft:cobblestone") then
                if (data.count < 3) then
                    turtle.drop()
                elseif (CobDropNum == 1) then
                    turtle.drop()
                else
                    turtle.drop(data.count - 3)
                    CobDropNum = 1
                end
            elseif (data.name == "minecraft:torch") then
                cnt = cnt
            elseif (data.name == "minecraft:trapped_chest") then
                cnt = cnt
            elseif (data.name == "minecraft:chest") then
                cnt = cnt
            else
                turtle.drop()
            end
        end
        cnt = cnt + 1
        if (cnt == 16 and CobDropNum == 0) then
            local a = 0
            while (a == 0) do
                print("There are not enough Cobblestones")
                print("Please make sure that there are at least")
                print("three Cobblestones.")
                print("After finishing, please write a number which is bigger then nil")
                a = tonumber(io.read())
                dropAllFoundItems()
            end
        end
    end
end
function nextGang()
    if (Side == 1) then
        turtle.turnRight()
    elseif (Side == 0) then
        turtle.turnLeft()
    end
    placeChest()
    dropAllFoundItems()
    turn()
    forward()
    forward()
    forward()
    if (Side == 1) then
        turtle.turnLeft()
    elseif (Side == 0) then
        turtle.turnRight()
    end
end
function placeCobblestone()
    local cnt = 0
    while (cnt < 16) do
        local data = turtle.getItemDetail(cnt+1)

        if (data) then
            if (data.name == "minecraft:cobblestone") then
                turtle.select(cnt+1)
                turtle.place()
            end
        end
        cnt = cnt + 1
    end
end


while i < NumG do
    local Gl = 0
    while Gl < Glength do
        forward()
        lookingForRessources()              -- not exists now
        up()
        lookingForRessources()              -- not exists now
        if (((Gl+1) % 10 == 0) or ((Gl+1) == Glength)) then
            turtle.turnRight()
            if (turtle.detect() == false) then
                placeCobblestone()
            end
            turtle.turnLeft()
        end
        down()
        if (((Gl+1) % 10 == 0) or ((Gl+1) == Glength)) then
            placeLightUp()
        end
        Gl = Gl + 1
    end
    turn()
    Gl = 0
    while (Gl < Glength) do
        turtle.forward()
        Gl = Gl + 1
    end
    nextGang()
    i = i + 1
end