--This will add a new game mechanic so that containers with certain fluids explode when they get damaged or are destroyed.
--Made by MewMew

local Event = require 'utils.event'

local empty_tile_damage_decay = 50
local out_of_map_tile_health = 1500

local container_types = {
    ['storage-tank'] = true,
    ['pipe'] = true,
    ['pipe-to-ground'] = true
}

local fluid_damages = {
    -- Fluid Whitelist -- add fluid and a damage value to enable
    ['acetylene'] = 7,
    ['coal-gas'] = 5,
    ['combustion-mixture1'] = 7,
    ['combustion-mixture2'] = 8,
    ['crude-oil'] = 5,
    ['diborane'] = 7,
    ['diesel'] = 6,
    ['gas-butadiene'] = 6,
    ['gas-butane'] = 8,
    ['gas-ethane'] = 8,
    ['gas-ethylbenzene'] = 6,
    ['gas-hydrogen'] = 8,
    ['gas-methane'] = 8,
    ['gas-methanol'] = 6,
    ['gas-natural-1'] = 5,
    ['gas-propene'] = 8,
    ['gas-raw-1'] = 5,
    ['gasoline'] = 8,
    ['heavy-oil'] = 6,
    ['hydrogen'] = 9,
    ['kerosene'] = 7,
    ['light-oil'] = 7,
    ['liquid-fuel'] = 6,
    ['liquid-fuel-oil'] = 6,
    ['liquid-multi-phase-oil'] = 4,
    ['liquid-naphtha'] = 6,
    ['methanol'] = 5,
    ['petroleum-gas'] = 8,
    ['refsyngas'] = 7,
    ['syngas'] = 6,
    ['xylenol'] = 5
}

local function shuffle(tbl)
    local size = #tbl
    for i = size, 1, -1 do
        local rand = math.random(size)
        tbl[i], tbl[rand] = tbl[rand], tbl[i]
    end
    return tbl
end

local function process_explosion_tile(pos, explosion_index, current_radius)
    local surface = game.surfaces[storage.fluid_explosion_schedule[explosion_index].surface]
    local target_entities = surface.find_entities_filtered({ area = { { pos.x - 0.5, pos.y - 0.5 }, { pos.x + 0.499, pos.y + 0.499 } } })
    local explosion_animation = 'explosion'

    local tile = surface.get_tile(pos)
    if tile.name == 'out-of-map' then
        if storage.fluid_explosion_schedule[explosion_index].damage_remaining >= out_of_map_tile_health then
            explosion_animation = 'big-explosion'
            surface.set_tiles({ { name = 'dirt-5', position = pos } }, true)
        end
        storage.fluid_explosion_schedule[explosion_index].damage_remaining = storage.fluid_explosion_schedule[explosion_index].damage_remaining - out_of_map_tile_health
    else
        local decay_explosion = true
        for _, entity in pairs(target_entities) do
            if entity.health then
                decay_explosion = false
            end
        end
        if decay_explosion then
            storage.fluid_explosion_schedule[explosion_index].damage_remaining = storage.fluid_explosion_schedule[explosion_index].damage_remaining - empty_tile_damage_decay
        end
    end

    for _, entity in pairs(target_entities) do
        if entity.valid then
            if entity.health then
                if entity.health <= storage.fluid_explosion_schedule[explosion_index].damage_remaining then
                    explosion_animation = 'big-explosion'
                    if entity.health > 500 then
                        explosion_animation = 'big-artillery-explosion'
                    end
                    storage.fluid_explosion_schedule[explosion_index].damage_remaining = storage.fluid_explosion_schedule[explosion_index].damage_remaining - entity.health
                    if entity.name ~= 'character' then
                        entity.damage(2097152, 'player', 'explosion')
                    else
                        entity.die('player')
                    end
                else
                    entity.damage(storage.fluid_explosion_schedule[explosion_index].damage_remaining, 'player', 'explosion')
                    storage.fluid_explosion_schedule[explosion_index].damage_remaining = 0
                end
            end
        end
    end

    if storage.fluid_explosion_schedule[explosion_index].damage_remaining > 5000 and current_radius < 2 then
        if math.random(1, 2) == 1 then
            explosion_animation = 'big-explosion'
        else
            explosion_animation = 'big-artillery-explosion'
        end
    end

    surface.create_entity({ name = explosion_animation, position = pos })

    if storage.fluid_explosion_schedule[explosion_index].damage_remaining <= 0 then
        return false
    end

    return true
end

local function create_explosion_schedule(entity)
    local explosives_amount = math.floor(entity.fluidbox[1].amount)

    if explosives_amount < 1 then
        return
    end
    local center_position = entity.position

    if not storage.fluid_explosion_schedule then
        storage.fluid_explosion_schedule = {}
    end
    storage.fluid_explosion_schedule[#storage.fluid_explosion_schedule + 1] = {}
    storage.fluid_explosion_schedule[#storage.fluid_explosion_schedule].surface = entity.surface.name

    storage.fluid_explosion_schedule[#storage.fluid_explosion_schedule].damage_remaining = fluid_damages[entity.fluidbox[1].name] * explosives_amount

    local circle_coordinates = {
        [1] = { { x = 0, y = 0 } },
        [2] = { { x = -1, y = -1 }, { x = 1, y = -1 }, { x = 0, y = -1 }, { x = -1, y = 0 }, { x = -1, y = 1 }, { x = 0, y = 1 }, { x = 1, y = 1 }, { x = 1, y = 0 } },
        [3] = {
            { x = -2, y = -1 },
            { x = -1, y = -2 },
            { x = 1,  y = -2 },
            { x = 0,  y = -2 },
            { x = 2,  y = -1 },
            { x = -2, y = 1 },
            { x = -2, y = 0 },
            { x = 2,  y = 1 },
            { x = 2,  y = 0 },
            { x = -1, y = 2 },
            { x = 1,  y = 2 },
            { x = 0,  y = 2 }
        },
        [4] = {
            { x = -1, y = -3 },
            { x = 1,  y = -3 },
            { x = 0,  y = -3 },
            { x = -3, y = -1 },
            { x = -2, y = -2 },
            { x = 3,  y = -1 },
            { x = 2,  y = -2 },
            { x = -3, y = 0 },
            { x = -3, y = 1 },
            { x = 3,  y = 1 },
            { x = 3,  y = 0 },
            { x = -2, y = 2 },
            { x = -1, y = 3 },
            { x = 0,  y = 3 },
            { x = 1,  y = 3 },
            { x = 2,  y = 2 }
        },
        [5] = {
            { x = -3, y = -3 },
            { x = -2, y = -3 },
            { x = -1, y = -4 },
            { x = -2, y = -4 },
            { x = 1,  y = -4 },
            { x = 0,  y = -4 },
            { x = 2,  y = -3 },
            { x = 3,  y = -3 },
            { x = 2,  y = -4 },
            { x = -3, y = -2 },
            { x = -4, y = -1 },
            { x = -4, y = -2 },
            { x = 3,  y = -2 },
            { x = 4,  y = -1 },
            { x = 4,  y = -2 },
            { x = -4, y = 1 },
            { x = -4, y = 0 },
            { x = 4,  y = 1 },
            { x = 4,  y = 0 },
            { x = -3, y = 3 },
            { x = -3, y = 2 },
            { x = -4, y = 2 },
            { x = -2, y = 3 },
            { x = 2,  y = 3 },
            { x = 3,  y = 3 },
            { x = 3,  y = 2 },
            { x = 4,  y = 2 },
            { x = -2, y = 4 },
            { x = -1, y = 4 },
            { x = 0,  y = 4 },
            { x = 1,  y = 4 },
            { x = 2,  y = 4 }
        },
        [6] = {
            { x = -1, y = -5 },
            { x = -2, y = -5 },
            { x = 1,  y = -5 },
            { x = 0,  y = -5 },
            { x = 2,  y = -5 },
            { x = -3, y = -4 },
            { x = -4, y = -3 },
            { x = 3,  y = -4 },
            { x = 4,  y = -3 },
            { x = -5, y = -1 },
            { x = -5, y = -2 },
            { x = 5,  y = -1 },
            { x = 5,  y = -2 },
            { x = -5, y = 1 },
            { x = -5, y = 0 },
            { x = 5,  y = 1 },
            { x = 5,  y = 0 },
            { x = -5, y = 2 },
            { x = -4, y = 3 },
            { x = 4,  y = 3 },
            { x = 5,  y = 2 },
            { x = -3, y = 4 },
            { x = -2, y = 5 },
            { x = -1, y = 5 },
            { x = 0,  y = 5 },
            { x = 1,  y = 5 },
            { x = 3,  y = 4 },
            { x = 2,  y = 5 }
        },
        [7] = {
            { x = -4, y = -5 },
            { x = -3, y = -5 },
            { x = -2, y = -6 },
            { x = -1, y = -6 },
            { x = 0,  y = -6 },
            { x = 1,  y = -6 },
            { x = 3,  y = -5 },
            { x = 2,  y = -6 },
            { x = 4,  y = -5 },
            { x = -5, y = -4 },
            { x = -5, y = -3 },
            { x = -4, y = -4 },
            { x = 4,  y = -4 },
            { x = 5,  y = -4 },
            { x = 5,  y = -3 },
            { x = -6, y = -1 },
            { x = -6, y = -2 },
            { x = 6,  y = -1 },
            { x = 6,  y = -2 },
            { x = -6, y = 1 },
            { x = -6, y = 0 },
            { x = 6,  y = 1 },
            { x = 6,  y = 0 },
            { x = -5, y = 3 },
            { x = -6, y = 2 },
            { x = 5,  y = 3 },
            { x = 6,  y = 2 },
            { x = -5, y = 4 },
            { x = -4, y = 4 },
            { x = -4, y = 5 },
            { x = -3, y = 5 },
            { x = 3,  y = 5 },
            { x = 4,  y = 4 },
            { x = 5,  y = 4 },
            { x = 4,  y = 5 },
            { x = -1, y = 6 },
            { x = -2, y = 6 },
            { x = 1,  y = 6 },
            { x = 0,  y = 6 },
            { x = 2,  y = 6 }
        },
        [8] = {
            { x = -1, y = -7 },
            { x = -2, y = -7 },
            { x = 1,  y = -7 },
            { x = 0,  y = -7 },
            { x = 2,  y = -7 },
            { x = -5, y = -5 },
            { x = -4, y = -6 },
            { x = -3, y = -6 },
            { x = 3,  y = -6 },
            { x = 4,  y = -6 },
            { x = 5,  y = -5 },
            { x = -6, y = -3 },
            { x = -6, y = -4 },
            { x = 6,  y = -4 },
            { x = 6,  y = -3 },
            { x = -7, y = -1 },
            { x = -7, y = -2 },
            { x = 7,  y = -1 },
            { x = 7,  y = -2 },
            { x = -7, y = 1 },
            { x = -7, y = 0 },
            { x = 7,  y = 1 },
            { x = 7,  y = 0 },
            { x = -7, y = 2 },
            { x = -6, y = 3 },
            { x = 6,  y = 3 },
            { x = 7,  y = 2 },
            { x = -5, y = 5 },
            { x = -6, y = 4 },
            { x = 5,  y = 5 },
            { x = 6,  y = 4 },
            { x = -3, y = 6 },
            { x = -4, y = 6 },
            { x = -2, y = 7 },
            { x = -1, y = 7 },
            { x = 0,  y = 7 },
            { x = 1,  y = 7 },
            { x = 3,  y = 6 },
            { x = 2,  y = 7 },
            { x = 4,  y = 6 }
        },
        [9] = {
            { x = -4, y = -7 },
            { x = -3, y = -7 },
            { x = -2, y = -8 },
            { x = -1, y = -8 },
            { x = 0,  y = -8 },
            { x = 1,  y = -8 },
            { x = 3,  y = -7 },
            { x = 2,  y = -8 },
            { x = 4,  y = -7 },
            { x = -5, y = -6 },
            { x = -6, y = -6 },
            { x = -6, y = -5 },
            { x = 5,  y = -6 },
            { x = 6,  y = -5 },
            { x = 6,  y = -6 },
            { x = -7, y = -4 },
            { x = -7, y = -3 },
            { x = 7,  y = -4 },
            { x = 7,  y = -3 },
            { x = -8, y = -2 },
            { x = -8, y = -1 },
            { x = 8,  y = -1 },
            { x = 8,  y = -2 },
            { x = -8, y = 0 },
            { x = -8, y = 1 },
            { x = 8,  y = 1 },
            { x = 8,  y = 0 },
            { x = -7, y = 3 },
            { x = -8, y = 2 },
            { x = 7,  y = 3 },
            { x = 8,  y = 2 },
            { x = -7, y = 4 },
            { x = -6, y = 5 },
            { x = 6,  y = 5 },
            { x = 7,  y = 4 },
            { x = -5, y = 6 },
            { x = -6, y = 6 },
            { x = -4, y = 7 },
            { x = -3, y = 7 },
            { x = 3,  y = 7 },
            { x = 5,  y = 6 },
            { x = 4,  y = 7 },
            { x = 6,  y = 6 },
            { x = -2, y = 8 },
            { x = -1, y = 8 },
            { x = 0,  y = 8 },
            { x = 1,  y = 8 },
            { x = 2,  y = 8 }
        },
        [10] = {
            { x = -3, y = -9 },
            { x = -1, y = -9 },
            { x = -2, y = -9 },
            { x = 1,  y = -9 },
            { x = 0,  y = -9 },
            { x = 3,  y = -9 },
            { x = 2,  y = -9 },
            { x = -5, y = -7 },
            { x = -6, y = -7 },
            { x = -5, y = -8 },
            { x = -4, y = -8 },
            { x = -3, y = -8 },
            { x = 3,  y = -8 },
            { x = 5,  y = -7 },
            { x = 5,  y = -8 },
            { x = 4,  y = -8 },
            { x = 6,  y = -7 },
            { x = -7, y = -5 },
            { x = -7, y = -6 },
            { x = -8, y = -5 },
            { x = 7,  y = -5 },
            { x = 7,  y = -6 },
            { x = 8,  y = -5 },
            { x = -9, y = -3 },
            { x = -8, y = -4 },
            { x = -8, y = -3 },
            { x = 8,  y = -4 },
            { x = 8,  y = -3 },
            { x = 9,  y = -3 },
            { x = -9, y = -1 },
            { x = -9, y = -2 },
            { x = 9,  y = -1 },
            { x = 9,  y = -2 },
            { x = -9, y = 1 },
            { x = -9, y = 0 },
            { x = 9,  y = 1 },
            { x = 9,  y = 0 },
            { x = -9, y = 3 },
            { x = -9, y = 2 },
            { x = -8, y = 3 },
            { x = 8,  y = 3 },
            { x = 9,  y = 3 },
            { x = 9,  y = 2 },
            { x = -7, y = 5 },
            { x = -8, y = 5 },
            { x = -8, y = 4 },
            { x = 7,  y = 5 },
            { x = 8,  y = 5 },
            { x = 8,  y = 4 },
            { x = -7, y = 6 },
            { x = -6, y = 7 },
            { x = -5, y = 7 },
            { x = 5,  y = 7 },
            { x = 7,  y = 6 },
            { x = 6,  y = 7 },
            { x = -5, y = 8 },
            { x = -4, y = 8 },
            { x = -3, y = 8 },
            { x = -3, y = 9 },
            { x = -2, y = 9 },
            { x = -1, y = 9 },
            { x = 0,  y = 9 },
            { x = 1,  y = 9 },
            { x = 3,  y = 8 },
            { x = 2,  y = 9 },
            { x = 3,  y = 9 },
            { x = 5,  y = 8 },
            { x = 4,  y = 8 }
        },
        [11] = {
            { x = -5,  y = -9 },
            { x = -4,  y = -9 },
            { x = -3,  y = -10 },
            { x = -1,  y = -10 },
            { x = -2,  y = -10 },
            { x = 1,   y = -10 },
            { x = 0,   y = -10 },
            { x = 3,   y = -10 },
            { x = 2,   y = -10 },
            { x = 5,   y = -9 },
            { x = 4,   y = -9 },
            { x = -7,  y = -7 },
            { x = -6,  y = -8 },
            { x = 7,   y = -7 },
            { x = 6,   y = -8 },
            { x = -9,  y = -5 },
            { x = -8,  y = -6 },
            { x = 9,   y = -5 },
            { x = 8,   y = -6 },
            { x = -9,  y = -4 },
            { x = -10, y = -3 },
            { x = 9,   y = -4 },
            { x = 10,  y = -3 },
            { x = -10, y = -2 },
            { x = -10, y = -1 },
            { x = 10,  y = -1 },
            { x = 10,  y = -2 },
            { x = -10, y = 0 },
            { x = -10, y = 1 },
            { x = 10,  y = 1 },
            { x = 10,  y = 0 },
            { x = -10, y = 2 },
            { x = -10, y = 3 },
            { x = 10,  y = 3 },
            { x = 10,  y = 2 },
            { x = -9,  y = 4 },
            { x = -9,  y = 5 },
            { x = 9,   y = 5 },
            { x = 9,   y = 4 },
            { x = -8,  y = 6 },
            { x = -7,  y = 7 },
            { x = 7,   y = 7 },
            { x = 8,   y = 6 },
            { x = -6,  y = 8 },
            { x = -5,  y = 9 },
            { x = -4,  y = 9 },
            { x = 4,   y = 9 },
            { x = 5,   y = 9 },
            { x = 6,   y = 8 },
            { x = -3,  y = 10 },
            { x = -2,  y = 10 },
            { x = -1,  y = 10 },
            { x = 0,   y = 10 },
            { x = 1,   y = 10 },
            { x = 2,   y = 10 },
            { x = 3,   y = 10 }
        },
        [12] = {
            { x = -3,  y = -11 },
            { x = -2,  y = -11 },
            { x = -1,  y = -11 },
            { x = 0,   y = -11 },
            { x = 1,   y = -11 },
            { x = 2,   y = -11 },
            { x = 3,   y = -11 },
            { x = -7,  y = -9 },
            { x = -6,  y = -9 },
            { x = -5,  y = -10 },
            { x = -4,  y = -10 },
            { x = 5,   y = -10 },
            { x = 4,   y = -10 },
            { x = 7,   y = -9 },
            { x = 6,   y = -9 },
            { x = -9,  y = -7 },
            { x = -7,  y = -8 },
            { x = -8,  y = -8 },
            { x = -8,  y = -7 },
            { x = 7,   y = -8 },
            { x = 8,   y = -7 },
            { x = 8,   y = -8 },
            { x = 9,   y = -7 },
            { x = -9,  y = -6 },
            { x = -10, y = -5 },
            { x = 9,   y = -6 },
            { x = 10,  y = -5 },
            { x = -11, y = -3 },
            { x = -10, y = -4 },
            { x = 10,  y = -4 },
            { x = 11,  y = -3 },
            { x = -11, y = -2 },
            { x = -11, y = -1 },
            { x = 11,  y = -1 },
            { x = 11,  y = -2 },
            { x = -11, y = 0 },
            { x = -11, y = 1 },
            { x = 11,  y = 1 },
            { x = 11,  y = 0 },
            { x = -11, y = 2 },
            { x = -11, y = 3 },
            { x = 11,  y = 3 },
            { x = 11,  y = 2 },
            { x = -10, y = 5 },
            { x = -10, y = 4 },
            { x = 10,  y = 5 },
            { x = 10,  y = 4 },
            { x = -9,  y = 7 },
            { x = -9,  y = 6 },
            { x = -8,  y = 7 },
            { x = 8,   y = 7 },
            { x = 9,   y = 7 },
            { x = 9,   y = 6 },
            { x = -8,  y = 8 },
            { x = -7,  y = 8 },
            { x = -7,  y = 9 },
            { x = -6,  y = 9 },
            { x = 7,   y = 8 },
            { x = 7,   y = 9 },
            { x = 6,   y = 9 },
            { x = 8,   y = 8 },
            { x = -5,  y = 10 },
            { x = -4,  y = 10 },
            { x = -3,  y = 11 },
            { x = -2,  y = 11 },
            { x = -1,  y = 11 },
            { x = 0,   y = 11 },
            { x = 1,   y = 11 },
            { x = 2,   y = 11 },
            { x = 3,   y = 11 },
            { x = 4,   y = 10 },
            { x = 5,   y = 10 }
        },
        [13] = {
            { x = -5,  y = -11 },
            { x = -4,  y = -11 },
            { x = -3,  y = -12 },
            { x = -1,  y = -12 },
            { x = -2,  y = -12 },
            { x = 1,   y = -12 },
            { x = 0,   y = -12 },
            { x = 3,   y = -12 },
            { x = 2,   y = -12 },
            { x = 4,   y = -11 },
            { x = 5,   y = -11 },
            { x = -8,  y = -9 },
            { x = -7,  y = -10 },
            { x = -6,  y = -10 },
            { x = 6,   y = -10 },
            { x = 7,   y = -10 },
            { x = 8,   y = -9 },
            { x = -10, y = -7 },
            { x = -9,  y = -8 },
            { x = 9,   y = -8 },
            { x = 10,  y = -7 },
            { x = -11, y = -5 },
            { x = -10, y = -6 },
            { x = 10,  y = -6 },
            { x = 11,  y = -5 },
            { x = -11, y = -4 },
            { x = -12, y = -3 },
            { x = 11,  y = -4 },
            { x = 12,  y = -3 },
            { x = -12, y = -1 },
            { x = -12, y = -2 },
            { x = 12,  y = -1 },
            { x = 12,  y = -2 },
            { x = -12, y = 1 },
            { x = -12, y = 0 },
            { x = 12,  y = 1 },
            { x = 12,  y = 0 },
            { x = -12, y = 3 },
            { x = -12, y = 2 },
            { x = 12,  y = 3 },
            { x = 12,  y = 2 },
            { x = -11, y = 5 },
            { x = -11, y = 4 },
            { x = 11,  y = 4 },
            { x = 11,  y = 5 },
            { x = -10, y = 7 },
            { x = -10, y = 6 },
            { x = 10,  y = 6 },
            { x = 10,  y = 7 },
            { x = -9,  y = 8 },
            { x = -8,  y = 9 },
            { x = 9,   y = 8 },
            { x = 8,   y = 9 },
            { x = -7,  y = 10 },
            { x = -5,  y = 11 },
            { x = -6,  y = 10 },
            { x = -4,  y = 11 },
            { x = 5,   y = 11 },
            { x = 4,   y = 11 },
            { x = 7,   y = 10 },
            { x = 6,   y = 10 },
            { x = -3,  y = 12 },
            { x = -2,  y = 12 },
            { x = -1,  y = 12 },
            { x = 0,   y = 12 },
            { x = 1,   y = 12 },
            { x = 2,   y = 12 },
            { x = 3,   y = 12 }
        },
        [14] = {
            { x = -3,  y = -13 },
            { x = -1,  y = -13 },
            { x = -2,  y = -13 },
            { x = 1,   y = -13 },
            { x = 0,   y = -13 },
            { x = 3,   y = -13 },
            { x = 2,   y = -13 },
            { x = -7,  y = -11 },
            { x = -6,  y = -11 },
            { x = -5,  y = -12 },
            { x = -6,  y = -12 },
            { x = -4,  y = -12 },
            { x = 5,   y = -12 },
            { x = 4,   y = -12 },
            { x = 7,   y = -11 },
            { x = 6,   y = -11 },
            { x = 6,   y = -12 },
            { x = -10, y = -9 },
            { x = -9,  y = -9 },
            { x = -9,  y = -10 },
            { x = -8,  y = -10 },
            { x = 9,   y = -9 },
            { x = 9,   y = -10 },
            { x = 8,   y = -10 },
            { x = 10,  y = -9 },
            { x = -11, y = -7 },
            { x = -10, y = -8 },
            { x = 11,  y = -7 },
            { x = 10,  y = -8 },
            { x = -11, y = -6 },
            { x = -12, y = -6 },
            { x = -12, y = -5 },
            { x = 11,  y = -6 },
            { x = 12,  y = -6 },
            { x = 12,  y = -5 },
            { x = -13, y = -3 },
            { x = -12, y = -4 },
            { x = 12,  y = -4 },
            { x = 13,  y = -3 },
            { x = -13, y = -2 },
            { x = -13, y = -1 },
            { x = 13,  y = -1 },
            { x = 13,  y = -2 },
            { x = -13, y = 0 },
            { x = -13, y = 1 },
            { x = 13,  y = 1 },
            { x = 13,  y = 0 },
            { x = -13, y = 2 },
            { x = -13, y = 3 },
            { x = 13,  y = 3 },
            { x = 13,  y = 2 },
            { x = -12, y = 5 },
            { x = -12, y = 4 },
            { x = 12,  y = 5 },
            { x = 12,  y = 4 },
            { x = -11, y = 6 },
            { x = -11, y = 7 },
            { x = -12, y = 6 },
            { x = 11,  y = 7 },
            { x = 11,  y = 6 },
            { x = 12,  y = 6 },
            { x = -10, y = 8 },
            { x = -10, y = 9 },
            { x = -9,  y = 9 },
            { x = 9,   y = 9 },
            { x = 10,  y = 9 },
            { x = 10,  y = 8 },
            { x = -9,  y = 10 },
            { x = -8,  y = 10 },
            { x = -7,  y = 11 },
            { x = -6,  y = 11 },
            { x = 7,   y = 11 },
            { x = 6,   y = 11 },
            { x = 8,   y = 10 },
            { x = 9,   y = 10 },
            { x = -6,  y = 12 },
            { x = -5,  y = 12 },
            { x = -4,  y = 12 },
            { x = -3,  y = 13 },
            { x = -2,  y = 13 },
            { x = -1,  y = 13 },
            { x = 0,   y = 13 },
            { x = 1,   y = 13 },
            { x = 2,   y = 13 },
            { x = 3,   y = 13 },
            { x = 5,   y = 12 },
            { x = 4,   y = 12 },
            { x = 6,   y = 12 }
        },
        [15] = {
            { x = -5,  y = -13 },
            { x = -6,  y = -13 },
            { x = -4,  y = -13 },
            { x = -3,  y = -14 },
            { x = -1,  y = -14 },
            { x = -2,  y = -14 },
            { x = 1,   y = -14 },
            { x = 0,   y = -14 },
            { x = 3,   y = -14 },
            { x = 2,   y = -14 },
            { x = 5,   y = -13 },
            { x = 4,   y = -13 },
            { x = 6,   y = -13 },
            { x = -9,  y = -11 },
            { x = -8,  y = -11 },
            { x = -8,  y = -12 },
            { x = -7,  y = -12 },
            { x = 7,   y = -12 },
            { x = 8,   y = -12 },
            { x = 8,   y = -11 },
            { x = 9,   y = -11 },
            { x = -11, y = -9 },
            { x = -10, y = -10 },
            { x = 10,  y = -10 },
            { x = 11,  y = -9 },
            { x = -12, y = -7 },
            { x = -11, y = -8 },
            { x = -12, y = -8 },
            { x = 11,  y = -8 },
            { x = 12,  y = -8 },
            { x = 12,  y = -7 },
            { x = -13, y = -5 },
            { x = -13, y = -6 },
            { x = 13,  y = -5 },
            { x = 13,  y = -6 },
            { x = -13, y = -4 },
            { x = -14, y = -3 },
            { x = 13,  y = -4 },
            { x = 14,  y = -3 },
            { x = -14, y = -2 },
            { x = -14, y = -1 },
            { x = 14,  y = -1 },
            { x = 14,  y = -2 },
            { x = -14, y = 0 },
            { x = -14, y = 1 },
            { x = 14,  y = 1 },
            { x = 14,  y = 0 },
            { x = -14, y = 2 },
            { x = -14, y = 3 },
            { x = 14,  y = 3 },
            { x = 14,  y = 2 },
            { x = -13, y = 4 },
            { x = -13, y = 5 },
            { x = 13,  y = 5 },
            { x = 13,  y = 4 },
            { x = -13, y = 6 },
            { x = -12, y = 7 },
            { x = 12,  y = 7 },
            { x = 13,  y = 6 },
            { x = -11, y = 9 },
            { x = -11, y = 8 },
            { x = -12, y = 8 },
            { x = 11,  y = 8 },
            { x = 11,  y = 9 },
            { x = 12,  y = 8 },
            { x = -9,  y = 11 },
            { x = -10, y = 10 },
            { x = -8,  y = 11 },
            { x = 9,   y = 11 },
            { x = 8,   y = 11 },
            { x = 10,  y = 10 },
            { x = -7,  y = 12 },
            { x = -8,  y = 12 },
            { x = -6,  y = 13 },
            { x = -5,  y = 13 },
            { x = -4,  y = 13 },
            { x = 5,   y = 13 },
            { x = 4,   y = 13 },
            { x = 7,   y = 12 },
            { x = 6,   y = 13 },
            { x = 8,   y = 12 },
            { x = -3,  y = 14 },
            { x = -2,  y = 14 },
            { x = -1,  y = 14 },
            { x = 0,   y = 14 },
            { x = 1,   y = 14 },
            { x = 2,   y = 14 },
            { x = 3,   y = 14 }
        },
        [16] = {
            { x = -3,  y = -15 },
            { x = -1,  y = -15 },
            { x = -2,  y = -15 },
            { x = 1,   y = -15 },
            { x = 0,   y = -15 },
            { x = 3,   y = -15 },
            { x = 2,   y = -15 },
            { x = -7,  y = -13 },
            { x = -8,  y = -13 },
            { x = -5,  y = -14 },
            { x = -6,  y = -14 },
            { x = -4,  y = -14 },
            { x = 5,   y = -14 },
            { x = 4,   y = -14 },
            { x = 7,   y = -13 },
            { x = 6,   y = -14 },
            { x = 8,   y = -13 },
            { x = -9,  y = -12 },
            { x = -10, y = -11 },
            { x = 9,   y = -12 },
            { x = 10,  y = -11 },
            { x = -11, y = -10 },
            { x = -12, y = -9 },
            { x = 11,  y = -10 },
            { x = 12,  y = -9 },
            { x = -13, y = -7 },
            { x = -13, y = -8 },
            { x = 13,  y = -7 },
            { x = 13,  y = -8 },
            { x = -14, y = -6 },
            { x = -14, y = -5 },
            { x = 14,  y = -5 },
            { x = 14,  y = -6 },
            { x = -15, y = -3 },
            { x = -14, y = -4 },
            { x = 15,  y = -3 },
            { x = 14,  y = -4 },
            { x = -15, y = -2 },
            { x = -15, y = -1 },
            { x = 15,  y = -1 },
            { x = 15,  y = -2 },
            { x = -15, y = 0 },
            { x = -15, y = 1 },
            { x = 15,  y = 1 },
            { x = 15,  y = 0 },
            { x = -15, y = 2 },
            { x = -15, y = 3 },
            { x = 15,  y = 3 },
            { x = 15,  y = 2 },
            { x = -14, y = 5 },
            { x = -14, y = 4 },
            { x = 14,  y = 5 },
            { x = 14,  y = 4 },
            { x = -13, y = 7 },
            { x = -14, y = 6 },
            { x = 13,  y = 7 },
            { x = 14,  y = 6 },
            { x = -13, y = 8 },
            { x = -12, y = 9 },
            { x = 12,  y = 9 },
            { x = 13,  y = 8 },
            { x = -11, y = 10 },
            { x = -10, y = 11 },
            { x = 10,  y = 11 },
            { x = 11,  y = 10 },
            { x = -9,  y = 12 },
            { x = -8,  y = 13 },
            { x = -7,  y = 13 },
            { x = 7,   y = 13 },
            { x = 8,   y = 13 },
            { x = 9,   y = 12 },
            { x = -6,  y = 14 },
            { x = -5,  y = 14 },
            { x = -4,  y = 14 },
            { x = -3,  y = 15 },
            { x = -2,  y = 15 },
            { x = -1,  y = 15 },
            { x = 0,   y = 15 },
            { x = 1,   y = 15 },
            { x = 2,   y = 15 },
            { x = 3,   y = 15 },
            { x = 4,   y = 14 },
            { x = 5,   y = 14 },
            { x = 6,   y = 14 }
        }
    }

    for current_radius = 1, 16, 1 do
        storage.fluid_explosion_schedule[#storage.fluid_explosion_schedule][current_radius] = {}
        storage.fluid_explosion_schedule[#storage.fluid_explosion_schedule][current_radius].trigger_tick = game.tick + (current_radius * 8)

        local circle_coords = circle_coordinates[current_radius]
        circle_coords = shuffle(circle_coords)

        for index, tile_position in pairs(circle_coords) do
            local pos = { x = center_position.x + tile_position.x, y = center_position.y + tile_position.y }
            storage.fluid_explosion_schedule[#storage.fluid_explosion_schedule][current_radius][index] = { x = pos.x, y = pos.y }
        end
    end
    entity.die('player')
end

local function on_entity_damaged(event)
    local entity = event.entity
    if not entity.valid then return end
    if not entity.health then
        return
    end
    if not container_types[entity.type] then
        return
    end
    if not entity.fluidbox[1] then
        return
    end
    if not fluid_damages[entity.fluidbox[1].name] then
        return
    end
    if entity.health > entity.max_health * 0.75 then
        return
    end

    if math.random(1, 3) == 1 or entity.health <= 0 then
        create_explosion_schedule(entity)
        return
    end
end

local function on_tick()
    if storage.fluid_explosion_schedule then
        local tick = game.tick
        local explosion_schedule_is_alive = false
        for explosion_index = 1, #storage.fluid_explosion_schedule, 1 do
            if #storage.fluid_explosion_schedule[explosion_index] > 0 then
                explosion_schedule_is_alive = true
                for radius = 1, #storage.fluid_explosion_schedule[explosion_index], 1 do
                    if storage.fluid_explosion_schedule[explosion_index][radius].trigger_tick == tick then
                        for tile_index = 1, #storage.fluid_explosion_schedule[explosion_index][radius], 1 do
                            local continue_explosion = process_explosion_tile(storage.fluid_explosion_schedule[explosion_index][radius][tile_index], explosion_index, radius)
                            if not continue_explosion then
                                storage.fluid_explosion_schedule[explosion_index] = {}
                                break
                            end
                        end
                        if radius == #storage.fluid_explosion_schedule[explosion_index] then
                            storage.fluid_explosion_schedule[explosion_index] = {}
                        end
                        break
                    end
                end
            end
        end
        if not explosion_schedule_is_alive then
            storage.fluid_explosion_schedule = nil
        end
    end
end

Event.add(defines.events.on_entity_damaged, on_entity_damaged)
Event.add(defines.events.on_tick, on_tick)
