minetest.register_tool("pick_and_place:place", {
    description = "Placement tool",
    inventory_image = "pick_and_place_plus.png^[colorize:#0000ff",
    stack_max = 1,
    range = 0,
    groups = {
        not_in_creative_inventory = 1
    },
    on_use = function(itemstack, player)
        local playername = player:get_player_name()
        local controls = player:get_player_control()

        local meta = itemstack:get_meta()
        local schematic = meta:get_string("schematic")
        local size = minetest.string_to_pos(meta:get_string("size"))
        local distance = vector.distance(vector.new(), size)

        local pos1 = pick_and_place.get_pointed_position(player, math.max(10, distance) + 5)
        local pos2 = vector.add(pos1, vector.subtract(size, 1))

        if controls.aux1 then
            -- removal
            pick_and_place.remove_area(pos1, pos2)
        else
            -- placement
            local success, msg = pick_and_place.deserialize(pos1, schematic)
            if not success then
                minetest.chat_send_player(playername, "Placement error: " .. msg)
            end
        end
    end,
    on_step = function(itemstack, player)
        local playername = player:get_player_name()
        local controls = player:get_player_control()

        local meta = itemstack:get_meta()
        local size = minetest.string_to_pos(meta:get_string("size"))
        local distance = vector.distance(vector.new(), size)

        local pos1 = pick_and_place.get_pointed_position(player, math.max(10, distance) + 5)
        local pos2 = vector.add(pos1, vector.subtract(size, 1))

        if controls.aux1 then
            -- removal preview
            pick_and_place.show_preview(playername, "pick_and_place_minus.png", "#ff0000", pos1, pos2)
        else
            -- build preview
            pick_and_place.show_preview(playername, "pick_and_place_plus.png", "#0000ff", pos1, pos2)
        end
    end,
    on_deselect = function(_, player)
        local playername = player:get_player_name()
        pick_and_place.clear_preview(playername)
    end
})
