citybuilder = {};

-- path to the current mod
citybuilder.modpath = minetest.get_modpath( minetest.get_current_modname());

-- folder where the buildings can be found
citybuilder.mts_path = citybuilder.modpath..'/schems/';

-- stores the filename including path for all files registered with citybuilder
citybuilder.full_filename = {};

-- configure some parameters
dofile(citybuilder.modpath.."/config.lua")

-- some common functions for acessing and manipulating cities
dofile(citybuilder.modpath.."/citybuilder_api.lua")

-- helper functions and input handling
dofile(citybuilder.modpath.."/citybuilder_misc.lua")

-- the tool used to place, construct, repair and upgrade said buildings
dofile(citybuilder.modpath.."/citybuilder_constructor.lua")

-- tool found in the townhall; hands out the construction tool from above
dofile(citybuilder.modpath.."/citybuilder_townadmin.lua")


-- only level 0 buildings are available at the beginning; all other buildings
-- can only be obtained through upgrades of said level 0 buildings
citybuilder.starter_buildings = {};

-- this table will contain information about all existing cities
citybuilder.cities = {};

-- restore saved data (makes use of save_restore from the mod handle_schematics
citybuilder.cities = save_restore.restore_data( citybuilder.savefilename );

-- save the datastructure
citybuilder.save_data = function()
	-- save datastructure
	save_restore.save_data( citybuilder.savefilename, citybuilder.cities );
end