hacktool={}

hacktool.gui=function(itemstack, user, pointed_thing)
    if pointed_thing.type~="object" then return end
    local player=pointed_thing.ref
    if player:is_player()==false then return end
    hacktool.tmp={}
    hacktool.tmp=player
    local inv=player:get_inventory()
    local gui="size[8,4]"
    local x=0
    local y=0

    for i=1,32,1 do
        gui=gui .."item_image_button[" .. x ..",".. y.. ";1,1;".. inv:get_stack("main",i):get_name() ..";inv" .. i ..";\n\n\b\b\b" .. inv:get_stack("main",i):get_count() .."]"
        x=x+1
        if x>=8 then
            x=0
            y=y+1
        end
    end
    minetest.after((0.1), function(gui)
        return minetest.show_formspec(user:get_player_name(), "invhack.form",gui)
    end, gui)
end

minetest.register_privilege("invhack", {
    description = "Let you hack players inventory",
    give_to_singleplayer= true,
})



minetest.register_on_player_receive_fields(function(player, form, pressed)
    if form=="invhack.form" then
        local name=player:get_player_name()
        local n=0

        if pressed.quit then
            if hacktool.tmp then hacktool.tmp=nil end
            return
        end

        if not minetest.check_player_privs(name, {invhack=true}) then
            minetest.chat_send_player(name, "Missing privilege: invhack")
            return
        end

        if hacktool.tmp==nil or hacktool.tmp:is_player()~=true then
            hacktool.tmp=nil
            minetest.chat_send_player(name, "The tempoary variable is empty or the player offline")
            return
        end

        for i=1,32,1 do
            n=i
            if pressed["inv" .. i] then break end
        end
        if pressed["inv" .. n] then
            local pinv=hacktool.tmp:get_inventory()
            local uinv=player:get_inventory()
            local stack=pinv:get_stack("main",n)
            local n2=0
            local f=true
            for i=1,32,1 do
                n2=i
                if uinv:get_stack("main",i):get_count()==0 then f=false break end
            end
            if f then minetest.chat_send_player(name, "Error: Your inventory is full") return end
            uinv:set_stack("main",n2,stack)
            pinv:set_stack("main",n,nil)
        end
    end
end)



minetest.register_tool("invhack:tool", {
    description = "Inventory hack tool",
    range = 15,
    inventory_image = "hacktool_inv.png",
    groups = {not_in_creative_inventory=1},
    on_use = function(itemstack, user, pointed_thing)
        hacktool.gui(itemstack, user, pointed_thing)
    return itemstack
    end,
})