TurtleTron Game (beta)

local youAreDead = function()
    turtle.up()
end

local placeBlock = function()
    local count = turtle.getItemCount(turtle.getSelectedSlot())
    if count == 0 then
        repeat
            if turtle.getSelectedSlot() == 16 then
                error("Ran out of blocks.")
            else
                turtle.select(turtle.getSelectedSlot() + 1)
            end
        until (turtle.getItemCount(turtle.getSelectedSlot()) > 0)
    else
        turtle.place()
    end
end

local doTheMoving = function()
    local sight = turtle.inspect()
    if sight then
        youAreDead()
    else
        turtle.back()
        placeBlock()
    end
end

local getInput = function()
    while true do
        local evt = {os.pullEvent()}
        if evt[1] == "key" then
            local key = evt[2]
            if key == keys.left then
                turtle.turnRight()
            elseif key == keys.right then
                turtle.turnLeft()
            end
        end
    end
end

term.setBackgroundColor(colors.black)
term.setTextColor(colors.white)
term.clear()
term.setCursorPos(1,1)
print("Wireless plethora keyboards are strongly recommended.")
sleep(0)
os.pullEvent("char")
turtle.turnRight()
turtle.turnRight()
write("Ready, ")
sleep(0.5)
write("Set, ")
sleep(0.5)
write("GO!")
parallel.waitForAny(doTheMoving, getInput)