realtest.registered_ores = {}
realtest.registered_ores_list = {}
local d_seed = 0
local function copytable(t)
	local t2 = {}
	for k,i in pairs(t) do
		t2[k] = i
	end
	return t2
end

function realtest.register_ore(name, OreDef)
        local ore = {
                name = name,
                description = OreDef.description or "Ore",
                mineral = OreDef.mineral or "minerals:"..name:remove_modname_prefix(),
                wherein = OreDef.wherein or {"default:stone"},
                clust_scarcity = 1/(OreDef.chunks_per_volume or 1/3/3/3/2),
                clust_size = OreDef.chunk_size or 3,
                clust_num_ores = OreDef.ore_per_chunk or 10,
                y_min = OreDef.y_min or -30912,
                y_max = OreDef.y_max or 30912,
                noise_threshold = OreDef.noise_min or 1.2,
                noise_params = {offset=0, scale=1, spread={x=100, y=100, z=100}, octaves=3, persist=0.70, seed = OreDef.delta_seed or d_seed},
                generate = true
        }
        d_seed = d_seed + 1
        if OreDef.generate == false then
                ore.generate = false
        end
        ore.particle_image = OreDef.particle_image or ore.mineral:gsub(":","_")..".png"
        realtest.registered_ores[name] = ore
        table.insert(realtest.registered_ores_list, name)
        local name_ = name:gsub(":","_")
        for i, wherein in ipairs(ore.wherein) do
                local wherein_ = wherein:gsub(":","_")
                local wherein_textures = {}
                if minetest.registered_nodes[wherein].tiles or minetest.registered_nodes[wherein].tiles then
                        for _, texture in ipairs(minetest.registered_nodes[wherein].tiles) do
                                table.insert(wherein_textures, texture.."^"..name_..".png")
                        end
                else
                        wherein_textures = {name_..".png"}
                end
                local str_in = ""
                if wherein == "default:desert_stone" then
                        str_in = " in Desert Stone"
                end
                minetest.register_node(":"..name.."_in_"..wherein_, {
                        description = ore.description .. " Ore" .. str_in,
                        tiles = wherein_textures,
                        particle_image = {ore.particle_image},
                        groups = {cracky=3,drop_on_dig=1,ore=1,dropping_like_stone=1},
                        drop = {
                                max_items = 1,
                                items = {
                                        {
                                                items = {ore.mineral.." 2"},
                                                rarity = 2
                                        },
                                        {
                                                items = {ore.mineral}
                                        }
                                }
                        },
                        sounds = default.node_sound_stone_defaults()
                })
                if ore.generate then
                	local oredef = copytable(ore)
                	oredef.ore = name.."_in_"..wherein_
                	oredef.ore_type = "scatter"
                	oredef.wherein = wherein
        		minetest.register_ore(oredef)
        	end
        end
end

ores.list = {
--	"lignite",
-- 	"anthracite",
-- 	"bituminous_coal",
	"magnetite",
	"hematite",
	"limonite",
	"bismuthinite",
	"cassiterite",
	"galena",
	"garnierite",
	"malachite",
-- 	"native_copper",
-- 	"native_gold",
	"native_silver",
	"native_platinum",
	"sphalerite",
	"tetrahedrite",
	"lazurite",
	"bauxite",
	"cinnabar",
	"cryolite",
-- 	"graphite",
	"gypsum",
	"jet",
	"kaolinite",
	"kimberlite",
	"olivine",
	"petrified_wood",
-- 	"pitchblende",
	"saltpeter",
	"satin_spar",
	"selenite",
	"serpentine",
	"sylvite",
	"tenorite",
}
ores.desc_list = {
-- 	"Lignite",
-- 	"Anthracite",
-- 	"Bituminous Coal",
	"Magnetite",
	"Hematite",
	"Limonite",
	"Bismuthinite",
	"Cassiterite",
	"Galena",
	"Garnierite",
	"Malachite",
-- 	"Native Copper",
-- 	"Native Gold",
	"Native Silver",
	"Native Platinum",
	"Sphalerite",
	"Tetrahedrite",
	"Lazurite",
	"Bauxite",
	'Cinnabar',
	'Cryolite',
-- 	'Graphite',
	'Gypsum',
	'Jet',
	'Kaolinite',
	'Kimberlite',
	'Olivine',
	'Petrified wood',
-- 	'Pitchblende',
	'Saltpeter',
	'Satin Spar',
	'Selenite',
	'Serpentine',
	'Sylvite',
	'Tenorite',
}

for _, ore in ipairs(ores.list) do
	realtest.register_ore("ores:"..ore, {description = ores.desc_list[_]}) 
end

realtest.register_ore("ores:native_copper", {
	description = "Native Copper",
	wherein = {"default:stone", "default:desert_stone"}
})

realtest.register_ore("ores:native_gold", {
	description = "Native Gold",
	wherein = {"default:stone", "default:desert_stone"}
})

realtest.register_ore("ores:lignite", {
	description = "Lignite",
	y_max = -500,
	y_min = -3000,
	ore_per_chunk = 15,
	chunks_per_volume = 1/3/3/3,
})

realtest.register_ore("ores:bituminous_coal", {
	description = "Bituminous Coal",
	y_max = -3000,
	y_min = -6000,
	ore_per_chunk = 15,
	chunks_per_volume = 1/3/3/3,
})

realtest.register_ore("ores:anthracite", {
	description = "Anthracite",
	y_max = -6000,
	y_min = -8000,
	ore_per_chunk = 15,
	chunks_per_volume = 1/3/3/3,
})

realtest.register_ore("ores:graphite", {
	description = "Graphite",
	y_max = -8000,
	ore_per_chunk = 15,
})

minetest.register_node("ores:sulfur", {
	description = "Sulfur Ore",
	tiles = {"default_stone.png^ores_sulfur.png"},
	particle_image = {"minerals_sulfur.png"},
	paramtype = "light",
	groups = {cracky=3,drop_on_dig=1,dig_immediate=2},
	sounds = default.node_sound_stone_defaults(),
	drop = {
		max_items = 1,
		items = {
			{
				items = {"minerals:sulfur 3"},
				rarity = 15,
			},
			{
				items = {"minerals:sulfur 2"},
			}
		}
	},
})

minetest.register_node("ores:peat", {
	description = "Peat",
	tiles = {"ores_peat.png"},
	particle_image = {"ores_peat.png"},
	groups = {crumbly=3,drop_on_dig=1,falling_node=1},
	sounds = default.node_sound_dirt_defaults(),
})

minetest.register_craft({
	type = "fuel",
	recipe = "ores:peat",
	burntime = 15
})