local resource_autoplace = require('resource-autoplace');

local util = require("__bzlead__.data-util");

data.raw.planet.nauvis.map_gen_settings.autoplace_controls["lead-ore"] = {}
data.raw.planet.nauvis.map_gen_settings.autoplace_settings.entity.settings["lead-ore"] = {}
resource_autoplace.initialize_patch_set("lead-ore", true)

if mods.tenebris then
  data.raw.planet.tenebris.map_gen_settings.autoplace_controls["lead-ore"] = {}
  data.raw.planet.tenebris.map_gen_settings.autoplace_settings.entity.settings["lead-ore"] = {}
end


data:extend({
	{
    type = "autoplace-control",
    category = "resource",
    name = "lead-ore",
    richness = true,
    order = "a-l"
	},
	--{
  --  type = "noise-layer",
  --  name = "lead-ore"
	--},
	{
    type = "resource",
    icon_size = 64, icon_mipmaps = 3,
    category="basic-solid",
    name = "lead-ore",
    icon = "__bzlead__/graphics/icons/lead-ore.png",
    flags = {"placeable-neutral"},
    order="a-b-a",
    map_color = {r=0.35, g=0.10, b=0.10},
    minable =
    {
      hardness = 1,
      mining_particle = "lead-ore-particle",
      mining_time = 1,
      result = "lead-ore"
    },
    collision_box = {{ -0.1, -0.1}, {0.1, 0.1}},
    selection_box = {{ -0.5, -0.5}, {0.5, 0.5}},

    autoplace = resource_autoplace.resource_autoplace_settings{
      name = "lead-ore",
      order = "a-t",
      base_density = 6,
      base_spots_per_km2 = 1,
      has_starting_area_placement = true,
      regular_rq_factor_multiplier = 1.2,
      starting_rq_factor_multiplier = 1.7,
    },

    stage_counts = {15000, 9500, 5500, 2900, 1300, 400, 150, 80},
    stages =
    {
      sheet = {
        filename = "__bzlead__/graphics/entity/ores/hr-lead-ore.png",
        priority = "extra-high",
        size = 128,
        frame_count = 8,
        variation_count = 8,
        scale = 0.5
      }
    },
  },
  {
      type = "item",
      name = "lead-ore",
      icon_size = 64, icon_mipmaps = 3,
      icon = "__bzlead__/graphics/icons/lead-ore.png",
      pictures = {
        {filename="__bzlead__/graphics/icons/lead-ore.png", size=64, scale=0.5},
        {filename="__bzlead__/graphics/icons/lead-ore-1.png", size=64, scale=0.5},
        {filename="__bzlead__/graphics/icons/lead-ore-2.png", size=64, scale=0.5},
        {filename="__bzlead__/graphics/icons/lead-ore-3.png", size=64, scale=0.5},
      },
      subgroup = "raw-resource",
      order = "t-c-a",
      stack_size = util.get_stack_size(50)
  },
})


-- Modify lead autoplace richness: 
-- Up to 200 tiles it's standard
-- From 200 to 700 tiles, richness scales linearly down, until
-- From 700 tiles onward, it's about 1/6th the richness.
local richness = data.raw.resource["lead-ore"].autoplace.richness_expression  
data.raw.resource["lead-ore"].autoplace.richness_expression = richness..[[*
if(distance_from_nearest_point{x = x, y = y, points = starting_positions} < 200, 1,
  if(distance_from_nearest_point{x = x, y = y, points = starting_positions} < 700,
    100/(distance_from_nearest_point{x = x, y = y, points = starting_positions} - 100), 0.17))
   ]]
local richness = data.raw.resource["lead-ore"].autoplace.richness_expression  
--  richness * noise.if_else_chain(
--      noise.less_than(noise.distance_from(noise.var("x"), noise.var("y"), noise.var("starting_positions")), noise.to_noise_expression(200)), 1,
--      noise.less_than(noise.distance_from(noise.var("x"), noise.var("y"), noise.var("starting_positions")), noise.to_noise_expression(700)), 
--        100 / (noise.distance_from(noise.var("x"), noise.var("y"), noise.var("starting_positions")) - 100),
--      0.17)