with core, resource, item, unit, construction;

package world is

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	type codex is (
		ash,                    cave,                   grass,                  rough,                  snow,                   swamp
	);

                                             ------------------------------------------------------------------------------------------

	type entity is
	record
		index, x, y : integer;
	end record;

	type block_array  is array (natural range <>, natural range <>) of integer;
	type entity_array is array (natural range <>)                   of entity;

	type information is
	record
		terrain      : codex;
		width        : natural;
		height       : natural;
		block        : access block_array;
		landmark     : access entity_array;
		construction : access entity_array;
	end record;

                                             ------------------------------------------------------------------------------------------

	map : information;

                                             ------------------------------------------------------------------------------------------

	procedure configure;

	procedure make (index : in codex; width, height : in natural);

	procedure draw (x, y, width, height : in integer; show_grid : in boolean);

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end world;