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ComfyFactorio/modules/scramble_ores.lua
2019-03-13 17:09:06 +01:00

42 lines
1.6 KiB
Lua

local event = require 'utils.event'
DIVERSITY_QUOTA = 0.20
EXEMPT_AREA = 200 --This is the radius of the starting area that can't be affected.
STONE_BYPRODUCT = false --Delete patches of stone. Stone only appears as a byproduct.
STONE_BYPRODUCT_RATIO = 0.25 --If math.random() is between DIVERSITY_QUOTA and this, it's stone.
--Build a table of potential ores to pick from. Uranium is exempt from popping up randomly.
local function init()
global.diverse_ores = {}
for k,v in pairs(game.entity_prototypes) do
if v.type == "resource" and v.resource_category == "basic-solid" and v.mineable_properties.required_fluid == nil then
table.insert(global.diverse_ores, v.name)
end
end
end
local function scramble(event)
local ores = event.surface.find_entities_filtered{type="resource", area=event.area}
for k,v in pairs(ores) do
if math.abs(v.position.x) > EXEMPT_AREA or math.abs(v.position.y) > EXEMPT_AREA then
if v.prototype.resource_category == "basic-solid" then
local random = math.random()
if v.name == "stone" and STONE_BYPRODUCT then
v.destroy()
elseif random < DIVERSITY_QUOTA then --Replace!
local refugee = global.diverse_ores[math.random(#global.diverse_ores)]
event.surface.create_entity{name=refugee, position=v.position, amount=v.amount}
v.destroy()
elseif STONE_BYPRODUCT and random < STONE_BYPRODUCT_RATIO then --Replace with stone!
event.surface.create_entity{name="stone", position=v.position, amount=v.amount}
v.destroy()
end
end
end
end
end
event.on_init(init)
event.add(defines.events.on_chunk_generated, scramble)