--[[
  ## StreetsMod 2.0 ##
  Submod: streetsmod
  Optional: false
  Category: Init
]]

local function copytable(orig)
	local orig_type = type(orig)
	local copy
	if orig_type == 'table' then
		copy = {}
		for orig_key, orig_value in next, orig, nil do
			copy[copytable(orig_key)] = copytable(orig_value)
		end
		setmetatable(copy, copytable(getmetatable(orig)))
	else
		copy = orig
	end
	return copy
end

function streets.load_submod(dirname)
  -- Check whether submod's init file exists
  local f = io.open(streets.conf.modpath .. "/" .. dirname .. "/init.lua")
  if f ~= nil then
    -- Load it
    f.close()
    dofile(streets.conf.modpath .. "/" .. dirname .. "/init.lua")
  else
    minetest.log("error", "[Streets] '" .. dirname .. "' does not exist")
  end
end

function streets.register_road_surface(data)
	streets.surfaces.surfacetypes["streets:"..data.name] = data
end

function streets.register_road_marking(data)
	table.insert(streets.labels.labeltypes,data)
	if data.flip_required then
		local data2 = copytable(data)
		data2.tex = data2.tex.."^[transformFX"
		data2.name = data2.name.."_rotated"
		data2.friendlyname = data2.friendlyname.." (rotated)"
		table.insert(streets.labels.labeltypes,data2)
	end
end