-- mods/australia/biome_gulf_of_carpentaria.lua

minetest.register_biome({
	name = "gulf_of_carpentaria",
	--node_dust = "",
	node_top = "default:dirt_with_dry_grass",
	depth_top = 1,
	node_filler = "default:dirt",
	depth_filler = 2,
	node_stone = "default:sandstone",
	--node_water_top = "",
	--depth_water_top = ,
	--node_water = "",
	node_river_water = "australia:muddy_river_water_source",
	y_min = 4,
	y_max = 35,
	heat_point = 75,
	humidity_point = 55,
})



--
-- Register ores
--

-- All mapgens except singlenode
-- Blob ore first to avoid other ores inside blobs

	-- Copper
minetest.register_ore({
	ore_type        = "blob",
	ore             = "default:stone_with_copper",
	wherein         = {"default:stone"},
	clust_scarcity  = 44 * 44 * 44,
	clust_size      = 8,
	biomes          = {"gulf_of_carpentaria"},
	y_min           = -64,
	y_max           = 0,
	noise_threshold = 1,
	noise_params    = {
		offset = 0,
		scale = 3,
		spread = {x = 16, y = 16, z = 16},
		seed = 890,
		octaves = 3,
		persist = 0.6
	},
})



--
-- Decorations
--

local function register_grass_decoration(offset, scale, length)
	minetest.register_decoration({
		deco_type = "simple",
		place_on = {"default:dirt_with_dry_grass"},
		sidelen = 16,
		noise_params = {
			offset = offset,
			scale = scale,
			spread = {x = 200, y = 200, z = 200},
			seed = 329,
			octaves = 3,
			persist = 0.6
		},
		biomes = {"gulf_of_carpentaria"},
		y_min = 4,
		y_max = 9,
		decoration = "default:grass_"..length,
	})
end

local function register_dry_grass_decoration(offset, scale, length)
	minetest.register_decoration({
		deco_type = "simple",
		place_on = {"default:dirt_with_dry_grass"},
		sidelen = 16,
		noise_params = {
			offset = offset,
			scale = scale,
			spread = {x = 200, y = 200, z = 200},
			seed = 329,
			octaves = 3,
			persist = 0.6
		},
		biomes = {"gulf_of_carpentaria"},
		y_min = 7,
		y_max = 35,
		decoration = "default:dry_grass_"..length,
	})
end

	-- Grasses
register_grass_decoration(0,      0.06,  3)
register_grass_decoration(0.015,  0.045, 2)
register_grass_decoration(0.03,   0.03,  1)

	-- Dry grasses
register_dry_grass_decoration(0.01, 0.05,  5)
register_dry_grass_decoration(0.03, 0.03,  4)
register_dry_grass_decoration(0.05, 0.01,  3)
register_dry_grass_decoration(0.07, -0.01, 2)
register_dry_grass_decoration(0.09, -0.03, 1)


	-- Mitchell Grass
minetest.register_decoration({
	deco_type = "simple",
	place_on = {"default:dirt_with_dry_grass"},
	sidelen = 80,
	fill_ratio = 0.05,
	biomes = {"gulf_of_carpentaria"},
	y_min = 12,
	y_max = 35,
	decoration = "australia:mitchell_grass",
})



--
-- Trees
--

	-- Cloncurry Box
aus.schematics.cloncurry_box_tree = {}
local max_r = 6
local ht = 4
local fruit = nil
local limbs = nil
local tree = "australia:cloncurry_box_tree"
local leaves = "australia:cloncurry_box_leaves"
for r = 5,max_r do
	local schem = aus.generate_tree_schematic(3, {x=r, y=ht, z=r}, tree, leaves, fruit, limbs)
	push(aus.schematics.cloncurry_box_tree, schem)
	minetest.register_decoration({
		deco_type = "schematic",
		sidelen = 80,
		place_on = {"default:dirt_with_dry_grass"},
		y_min = 6,
		y_max = 35,
		fill_ratio = (max_r-r+1)/10000,
		biomes = {"gulf_of_carpentaria"},
		schematic = schem,
		flags = "place_center_x, place_center_z",
		rotation = "random",
	})
end

	-- Darwin Woollybutt
aus.schematics.darwin_woollybutt_tree = {}
local max_r = 4
local ht = 5
local fruit = nil
local limbs = nil
local tree = "australia:darwin_woollybutt_tree"
local leaves = "australia:darwin_woollybutt_leaves"
for r = 3,max_r do
	local schem = aus.generate_tree_schematic(6, {x=r, y=ht, z=r}, tree, leaves, fruit, limbs)
	push(aus.schematics.darwin_woollybutt_tree, schem)
	minetest.register_decoration({
		deco_type = "schematic",
		sidelen = 80,
		place_on = {"default:dirt_with_dry_grass"},
		y_min = 8,
		y_max = 35,
		fill_ratio = (max_r-r+1)/12000,
		biomes = {"gulf_of_carpentaria"},
		schematic = schem,
		flags = "place_center_x, place_center_z",
		rotation = "random",
	})
end

	-- River Oak
aus.schematics.river_oak_small_tree = {}
local max_r = 4
local ht = 6
local fruit = nil
local limbs = false
local tree = "australia:river_oak_tree"
local leaves = "australia:river_oak_leaves"
for r = 3,max_r do
	local schem = aus.generate_tree_schematic(2, {x=r, y=ht, z=r}, tree, leaves, fruit, limbs)
	push(aus.schematics.river_oak_small_tree, schem)
	minetest.register_decoration({
		deco_type = "schematic",
		sidelen = 80,
		place_on = {"default:dirt_with_dry_grass"},
		y_min = 12,
		y_max = 35,
		fill_ratio = (max_r-r+1)/12000,
		biomes = {"gulf_of_carpentaria"},
		schematic = schem,
		flags = "place_center_x, place_center_z",
		rotation = "random",
	})
end