ComfyFactorio/terrain_layouts/caves.lua

--[[
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]]

require "player_modifiers"
require "modules.rocks_broken_paint_tiles"
require "modules.rocks_heal_over_time"
require "modules.rocks_yield_ore_veins"
require "modules.no_deconstruction_of_neutral_entities"

local get_noise = require "utils.get_noise"
local Player_modifiers = require "player_modifiers"
local math_random = math.random
local math_floor = math.floor
local math_abs = math.abs

local rock_raffle = {"sand-rock-big","sand-rock-big", "rock-big","rock-big","rock-big","rock-big","rock-big","rock-big","rock-big","rock-huge"}
local size_of_rock_raffle = #rock_raffle

local function place_entity(surface, position)
	if math_random(1, 3) ~= 1 then
		surface.create_entity({name = rock_raffle[math_random(1, size_of_rock_raffle)], position = position, force = "neutral"})
	end
end

local function is_scrap_area(noise)
	if noise > 0.75 then return end
	if noise < -0.75 then return end
	if noise > 0.12 then return true end	
	if noise < -0.12 then return true end
end

local function move_away_things(surface, area)
	for _, e in pairs(surface.find_entities_filtered({type = {"unit-spawner", "turret", "unit", "tree"}, area = area})) do
		local position = surface.find_non_colliding_position(e.name, e.position, 128, 4)
		if position then 
			surface.create_entity({name = e.name, position = position, force = "enemy"})
			e.destroy()
		end
	end
end

local vectors = {{0,0}, {1,0}, {-1,0}, {0,1}, {0,-1}}

local function on_player_mined_entity(event)
	local entity = event.entity
	if not entity.valid then return end
	if entity.type ~= "simple-entity" then return end
	local surface = entity.surface
	for _, v in pairs(vectors) do
		local position = {entity.position.x + v[1], entity.position.y + v[2]}
		if not surface.get_tile(position).collides_with("resource-layer") then 
			surface.set_tiles({{name = "landfill", position = position}}, true)
		end
	end
	if event.player_index then game.players[event.player_index].insert({name = "coin", count = 1}) end
end

local function on_entity_died(event)	
	if not event.entity.valid then return end
	on_player_mined_entity(event)
end

local function on_chunk_generated(event)	
	local surface = event.surface
	local seed = surface.map_gen_settings.seed
	local left_top_x = event.area.left_top.x
	local left_top_y = event.area.left_top.y
	local set_tiles = surface.set_tiles
	local get_tile = surface.get_tile
	local position
	local noise
	for x = 0, 31, 1 do
		for y = 0, 31, 1 do			
			position = {x = left_top_x + x, y = left_top_y + y}				
			if not get_tile(position).collides_with("resource-layer") then 
				noise = get_noise("scrapyard", position, seed)
				if is_scrap_area(noise) then
					set_tiles({{name = "dirt-" .. math_floor(math_abs(noise) * 12) % 4 + 3, position = position}}, true)
					place_entity(surface, position)
				end
			end				
		end
	end
	
	move_away_things(surface, event.area)
end

local function on_player_joined_game(event)
	local player = game.players[event.player_index]
	local modifiers = Player_modifiers.get_table()	
	modifiers[player.index].character_mining_speed_modifier["caves"] = 3
	Player_modifiers.update_player_modifiers(player)
end

local function on_init()
	global.rocks_yield_ore_maximum_amount = 999
	global.rocks_yield_ore_base_amount = 100
	global.rocks_yield_ore_distance_modifier = 0.025
end

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

require "modules.rocks_yield_ore"