fun_caves = {}
fun_caves.version = "1.0"
fun_caves.path = minetest.get_modpath(minetest.get_current_modname())
fun_caves.world = false
fun_caves.time_factor = 10


if not mobs or not mobs.mod then
	dofile(fun_caves.path .. "/mobs_api.lua")
end


minetest.register_on_mapgen_init(function(mgparams)
	minetest.set_mapgen_params({mgname="singlenode", flags="nolight"})
end)


if default then
	if default.register_ores then
		default.register_ores()
	end
	if default.register_blobs then
		default.register_blobs()
	end
	if default.register_biomes then
		default.register_biomes()
	end
	if default.register_decorations then
		default.register_decorations()
	end
	if flowers.register_decorations then
		flowers.register_decorations()
	end

	local ores = {}
	for id, ore_table in pairs(minetest.registered_ores) do
		local ore = table.copy(ore_table)
		ore.y_min = -31000
		ore.y_max = 31000
		table.insert(ores, ore)
	end
	minetest.clear_registered_ores()

	for _, ore in pairs(ores) do
		minetest.register_ore(ore)
	end
end


-- Check if the table contains an element.
function table.contains(table, element)
  for key, value in pairs(table) do
    if value == element then
			if key then
				return key
			else
				return true
			end
    end
  end
  return false
end

-- Modify a node to add a group
function minetest.add_group(node, groups)
	local def = minetest.registered_items[node]
	if not def then
		return false
	end
	local def_groups = def.groups or {}
	for group, value in pairs(groups) do
		if value ~= 0 then
			def_groups[group] = value
		else
			def_groups[group] = nil
		end
	end
	minetest.override_item(node, {groups = def_groups})
	return true
end

function fun_caves.clone_node(name)
	local node = minetest.registered_nodes[name]
	local node2 = table.copy(node)
	return node2
end

function fun_caves.node(name)
	if not fun_caves.node_cache then
		fun_caves.node_cache = {}
	end

	if not fun_caves.node_cache[name] then
		fun_caves.node_cache[name] = minetest.get_content_id(name)
		if name ~= "ignore" and fun_caves.node_cache[name] == 127 then
			print("*** Failure to find node: "..name)
		end
	end

	return fun_caves.node_cache[name]
end


dofile(fun_caves.path .. "/nodes.lua")
dofile(fun_caves.path .. "/fungal_tree.lua")
dofile(fun_caves.path .. "/mapgen.lua")
dofile(fun_caves.path .. "/mobs.lua")


minetest.register_on_newplayer(fun_caves.respawn)
minetest.register_on_respawnplayer(fun_caves.respawn)

-- Inserting helps to ensure that fun_caves operates first.
table.insert(minetest.registered_on_generateds, 1, fun_caves.generate)

minetest.register_on_joinplayer(function(player)
	player:set_sky("#000000", "plain", {})
end)