local math_random = math.random

local function detonate_nuke(entity)
    local surface = entity.surface
    surface.create_entity({name = 'atomic-rocket', position = entity.position, force = entity.force, speed = 1, max_range = 800, target = entity, source = entity})
end

local function on_entity_died(event)
    local entity = event.entity
    if not entity.valid then
        return
    end
    if entity.name == 'land-mine' then
        if math_random(1, global.nuclear_landmines.chance) == 1 then
            detonate_nuke(entity)
        end
    end
end

local function on_init()
    global.nuclear_landmines = {}
    global.nuclear_landmines.chance = 512
end

local Event = require 'utils.event'
Event.on_init(on_init)
Event.add(defines.events.on_entity_died, on_entity_died)