-- Creates loot vaults

local mts = loot.modpath .. "loot_vault.mts"

minetest.register_on_generated(function(minp, maxp, seed)
    if maxp.y < -10 then return end
    local do_gen = seed % 131 == 0

    if not do_gen then return end

    local face = tostring((seed % 4) * 90)

    local candidates =
        minetest.find_nodes_in_area_under_air(minp, maxp, "group:soil")

    local choice = candidates[1]

    if not choice then return end

    local base = vector.add(choice, {x=-7, y=-13, z=-7})

    minetest.log("action",
             "Generating loot vault at " .. minetest.pos_to_string(base))

    minetest.place_schematic(base,
                 mts,
                 face,
                 { ["default:chest"] = "loot:loot_node" },
                 true)

end)