ComfyFactorio/modules/scrap_towny_ffa/tick_tack_trap.lua

-- timer traps -- by mewmew
local table_insert = table.insert
local math_random = math.random

local Table = require 'modules.scrap_towny_ffa.table'

local tick_tacks = { "*tick*", "*tick*", "*tack*", "*tak*", "*tik*", "*tok*" }

local kaboom_weights = {
	{ name = "grenade", chance = 7 },
	{ name = "cluster-grenade", chance = 1 },
	{ name = "destroyer-capsule", chance = 1 },
	{ name = "defender-capsule", chance = 4 },
	{ name = "distractor-capsule", chance = 3 },
	{ name = "poison-capsule", chance = 2 },
	{ name = "explosive-uranium-cannon-projectile", chance = 3 },
	{ name = "explosive-cannon-projectile", chance = 5 },
}

local kabooms = {}
for _, t in pairs(kaboom_weights) do
	for _ = 1, t.chance, 1 do
		table_insert(kabooms, t.name)
	end
end

local function create_flying_text(surface, position, text)
	surface.create_entity({
		name = "flying-text",
		position = position,
		text = text,
		color = { r = 0.75, g = 0.75, b = 0.75 }
	})
	if text == "..." then return end
	surface.play_sound({ path = "utility/armor_insert", position = position, volume_modifier = 0.75 })
end

local function create_kaboom(surface, position, name)
	local target = position
	local speed = 0.5
	if name == "defender-capsule" or name == "destroyer-capsule" or name == "distractor-capsule" then
		surface.create_entity({
			name = "flying-text",
			position = position,
			text = "(((Sentries Engaging Target)))",
			color = { r = 0.8, g = 0.0, b = 0.0 }
		})
		local nearest_player_unit = surface.find_nearest_enemy({ position = position, max_distance = 128, force = "enemy" })
		if nearest_player_unit then target = nearest_player_unit.position end
		speed = 0.001
	end
	surface.create_entity({
		name = name,
		position = position,
		force = "enemy",
		target = target,
		speed = speed
	})
end

local function tick_tack_trap(surface, position)
	local ffatable = Table.get_table()
	if not surface then return end
	if not position then return end
	if not position.x then return end
	if not position.y then return end
	local tick_tack_count = math_random(5, 9)
	for t = 60, tick_tack_count * 60, 60 do
		if not ffatable.on_tick_schedule[game.tick + t] then ffatable.on_tick_schedule[game.tick + t] = {} end

		if t < tick_tack_count * 60 then
			ffatable.on_tick_schedule[game.tick + t][#ffatable.on_tick_schedule[game.tick + t] + 1] = {
				func = create_flying_text,
				args = { surface, { x = position.x, y = position.y }, tick_tacks[math_random(1, #tick_tacks)] }
			}
		else
			if math_random(1, 10) == 1 then
				ffatable.on_tick_schedule[game.tick + t][#ffatable.on_tick_schedule[game.tick + t] + 1] = {
					func = create_flying_text,
					args = { surface, { x = position.x, y = position.y }, "..." }
				}
			else
				ffatable.on_tick_schedule[game.tick + t][#ffatable.on_tick_schedule[game.tick + t] + 1] = {
					func = create_kaboom,
					args = { surface, { x = position.x, y = position.y }, kabooms[math_random(1, #kabooms)] }
				}
			end
		end
	end
end

return tick_tack_trap